From cfad98a586e185cc8383925eaeadfc30aa55052e Mon Sep 17 00:00:00 2001 From: Michael Mattig Date: Sun, 28 Jan 2018 16:25:23 +0100 Subject: [PATCH] replace ip(hone|od) with ip(ad|hone|od) for correct WebGL detection --- dist/plotly-gl3d.js | 7110 +++++----- dist/plotly-gl3d.min.js | 2 +- dist/plotly-with-meta.js | 27004 ++++++++++++++++++------------------- dist/plotly.js | 27004 ++++++++++++++++++------------------- dist/plotly.min.js | 2 +- 5 files changed, 30561 insertions(+), 30561 deletions(-) diff --git a/dist/plotly-gl3d.js b/dist/plotly-gl3d.js index ca30d3d2272..1a088327c91 100644 --- a/dist/plotly-gl3d.js +++ b/dist/plotly-gl3d.js @@ -269,233 +269,233 @@ module.exports = require('../src/traces/scatter3d'); module.exports = require('../src/traces/surface'); },{"../src/traces/surface":570}],8:[function(require,module,exports){ -'use strict' - -module.exports = createCamera - -var now = require('right-now') -var createView = require('3d-view') -var mouseChange = require('mouse-change') -var mouseWheel = require('mouse-wheel') -var mouseOffset = require('mouse-event-offset') - -function createCamera(element, options) { - element = element || document.body - options = options || {} - - var limits = [ 0.01, Infinity ] - if('distanceLimits' in options) { - limits[0] = options.distanceLimits[0] - limits[1] = options.distanceLimits[1] - } - if('zoomMin' in options) { - limits[0] = options.zoomMin - } - if('zoomMax' in options) { - limits[1] = options.zoomMax - } - - var view = createView({ - center: options.center || [0,0,0], - up: options.up || [0,1,0], - eye: options.eye || [0,0,10], - mode: options.mode || 'orbit', - distanceLimits: limits - }) - - var pmatrix = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] - var distance = 0.0 - var width = element.clientWidth - var height = element.clientHeight - - var camera = { - view: view, - element: element, - delay: options.delay || 16, - rotateSpeed: options.rotateSpeed || 1, - zoomSpeed: options.zoomSpeed || 1, - translateSpeed: options.translateSpeed || 1, - flipX: !!options.flipX, - flipY: !!options.flipY, - modes: view.modes, - tick: function() { - var t = now() - var delay = this.delay - view.idle(t-delay) - view.flush(t-(100+delay*2)) - var ctime = t - 2 * delay - view.recalcMatrix(ctime) - var allEqual = true - var matrix = view.computedMatrix - for(var i=0; i<16; ++i) { - allEqual = allEqual && (pmatrix[i] === matrix[i]) - pmatrix[i] = matrix[i] - } - var sizeChanged = - element.clientWidth === width && - element.clientHeight === height - width = element.clientWidth - height = element.clientHeight - if(allEqual) { - return !sizeChanged - } - distance = Math.exp(view.computedRadius[0]) - return true - }, - lookAt: function(center, eye, up) { - view.lookAt(view.lastT(), center, eye, up) - }, - rotate: function(pitch, yaw, roll) { - view.rotate(view.lastT(), pitch, yaw, roll) - }, - pan: function(dx, dy, dz) { - view.pan(view.lastT(), dx, dy, dz) - }, - translate: function(dx, dy, dz) { - view.translate(view.lastT(), dx, dy, dz) - } - } - - Object.defineProperties(camera, { - matrix: { - get: function() { - return view.computedMatrix - }, - set: function(mat) { - view.setMatrix(view.lastT(), mat) - return view.computedMatrix - }, - enumerable: true - }, - mode: { - get: function() { - return view.getMode() - }, - set: function(mode) { - view.setMode(mode) - return view.getMode() - }, - enumerable: true - }, - center: { - get: function() { - return view.computedCenter - }, - set: function(ncenter) { - view.lookAt(view.lastT(), ncenter) - return view.computedCenter - }, - enumerable: true - }, - eye: { - get: function() { - return view.computedEye - }, - set: function(neye) { - view.lookAt(view.lastT(), null, neye) - return view.computedEye - }, - enumerable: true - }, - up: { - get: function() { - return view.computedUp - }, - set: function(nup) { - view.lookAt(view.lastT(), null, null, nup) - return view.computedUp - }, - enumerable: true - }, - distance: { - get: function() { - return distance - }, - set: function(d) { - view.setDistance(view.lastT(), d) - return d - }, - enumerable: true - }, - distanceLimits: { - get: function() { - return view.getDistanceLimits(limits) - }, - set: function(v) { - view.setDistanceLimits(v) - return v - }, - enumerable: true - } - }) - - element.addEventListener('contextmenu', function(ev) { - ev.preventDefault() - return false - }) - - var lastX = 0, lastY = 0, lastMods = {shift: false, control: false, alt: false, meta: false} - mouseChange(element, handleInteraction) - - //enable simple touch interactions - element.addEventListener('touchstart', function (ev) { - var xy = mouseOffset(ev.changedTouches[0], element) - handleInteraction(0, xy[0], xy[1], lastMods) - handleInteraction(1, xy[0], xy[1], lastMods) - }) - element.addEventListener('touchmove', function (ev) { - var xy = mouseOffset(ev.changedTouches[0], element) - handleInteraction(1, xy[0], xy[1], lastMods) - }) - element.addEventListener('touchend', function (ev) { - var xy = mouseOffset(ev.changedTouches[0], element) - handleInteraction(0, lastX, lastY, lastMods) - }) - - function handleInteraction (buttons, x, y, mods) { - var scale = 1.0 / element.clientHeight - var dx = scale * (x - lastX) - var dy = scale * (y - lastY) - - var flipX = camera.flipX ? 1 : -1 - var flipY = camera.flipY ? 1 : -1 - - var drot = Math.PI * camera.rotateSpeed - - var t = now() - - if(buttons & 1) { - if(mods.shift) { - view.rotate(t, 0, 0, -dx * drot) - } else { - view.rotate(t, flipX * drot * dx, -flipY * drot * dy, 0) - } - } else if(buttons & 2) { - view.pan(t, -camera.translateSpeed * dx * distance, camera.translateSpeed * dy * distance, 0) - } else if(buttons & 4) { - var kzoom = camera.zoomSpeed * dy / window.innerHeight * (t - view.lastT()) * 50.0 - view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) - } - - lastX = x - lastY = y - lastMods = mods - } - - mouseWheel(element, function(dx, dy, dz) { - var flipX = camera.flipX ? 1 : -1 - var flipY = camera.flipY ? 1 : -1 - var t = now() - if(Math.abs(dx) > Math.abs(dy)) { - view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth) - } else { - var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0 - view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) - } - }, true) - - return camera -} +'use strict' + +module.exports = createCamera + +var now = require('right-now') +var createView = require('3d-view') +var mouseChange = require('mouse-change') +var mouseWheel = require('mouse-wheel') +var mouseOffset = require('mouse-event-offset') + +function createCamera(element, options) { + element = element || document.body + options = options || {} + + var limits = [ 0.01, Infinity ] + if('distanceLimits' in options) { + limits[0] = options.distanceLimits[0] + limits[1] = options.distanceLimits[1] + } + if('zoomMin' in options) { + limits[0] = options.zoomMin + } + if('zoomMax' in options) { + limits[1] = options.zoomMax + } + + var view = createView({ + center: options.center || [0,0,0], + up: options.up || [0,1,0], + eye: options.eye || [0,0,10], + mode: options.mode || 'orbit', + distanceLimits: limits + }) + + var pmatrix = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] + var distance = 0.0 + var width = element.clientWidth + var height = element.clientHeight + + var camera = { + view: view, + element: element, + delay: options.delay || 16, + rotateSpeed: options.rotateSpeed || 1, + zoomSpeed: options.zoomSpeed || 1, + translateSpeed: options.translateSpeed || 1, + flipX: !!options.flipX, + flipY: !!options.flipY, + modes: view.modes, + tick: function() { + var t = now() + var delay = this.delay + view.idle(t-delay) + view.flush(t-(100+delay*2)) + var ctime = t - 2 * delay + view.recalcMatrix(ctime) + var allEqual = true + var matrix = view.computedMatrix + for(var i=0; i<16; ++i) { + allEqual = allEqual && (pmatrix[i] === matrix[i]) + pmatrix[i] = matrix[i] + } + var sizeChanged = + element.clientWidth === width && + element.clientHeight === height + width = element.clientWidth + height = element.clientHeight + if(allEqual) { + return !sizeChanged + } + distance = Math.exp(view.computedRadius[0]) + return true + }, + lookAt: function(center, eye, up) { + view.lookAt(view.lastT(), center, eye, up) + }, + rotate: function(pitch, yaw, roll) { + view.rotate(view.lastT(), pitch, yaw, roll) + }, + pan: function(dx, dy, dz) { + view.pan(view.lastT(), dx, dy, dz) + }, + translate: function(dx, dy, dz) { + view.translate(view.lastT(), dx, dy, dz) + } + } + + Object.defineProperties(camera, { + matrix: { + get: function() { + return view.computedMatrix + }, + set: function(mat) { + view.setMatrix(view.lastT(), mat) + return view.computedMatrix + }, + enumerable: true + }, + mode: { + get: function() { + return view.getMode() + }, + set: function(mode) { + view.setMode(mode) + return view.getMode() + }, + enumerable: true + }, + center: { + get: function() { + return view.computedCenter + }, + set: function(ncenter) { + view.lookAt(view.lastT(), ncenter) + return view.computedCenter + }, + enumerable: true + }, + eye: { + get: function() { + return view.computedEye + }, + set: function(neye) { + view.lookAt(view.lastT(), null, neye) + return view.computedEye + }, + enumerable: true + }, + up: { + get: function() { + return view.computedUp + }, + set: function(nup) { + view.lookAt(view.lastT(), null, null, nup) + return view.computedUp + }, + enumerable: true + }, + distance: { + get: function() { + return distance + }, + set: function(d) { + view.setDistance(view.lastT(), d) + return d + }, + enumerable: true + }, + distanceLimits: { + get: function() { + return view.getDistanceLimits(limits) + }, + set: function(v) { + view.setDistanceLimits(v) + return v + }, + enumerable: true + } + }) + + element.addEventListener('contextmenu', function(ev) { + ev.preventDefault() + return false + }) + + var lastX = 0, lastY = 0, lastMods = {shift: false, control: false, alt: false, meta: false} + mouseChange(element, handleInteraction) + + //enable simple touch interactions + element.addEventListener('touchstart', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(0, xy[0], xy[1], lastMods) + handleInteraction(1, xy[0], xy[1], lastMods) + }) + element.addEventListener('touchmove', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(1, xy[0], xy[1], lastMods) + }) + element.addEventListener('touchend', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(0, lastX, lastY, lastMods) + }) + + function handleInteraction (buttons, x, y, mods) { + var scale = 1.0 / element.clientHeight + var dx = scale * (x - lastX) + var dy = scale * (y - lastY) + + var flipX = camera.flipX ? 1 : -1 + var flipY = camera.flipY ? 1 : -1 + + var drot = Math.PI * camera.rotateSpeed + + var t = now() + + if(buttons & 1) { + if(mods.shift) { + view.rotate(t, 0, 0, -dx * drot) + } else { + view.rotate(t, flipX * drot * dx, -flipY * drot * dy, 0) + } + } else if(buttons & 2) { + view.pan(t, -camera.translateSpeed * dx * distance, camera.translateSpeed * dy * distance, 0) + } else if(buttons & 4) { + var kzoom = camera.zoomSpeed * dy / window.innerHeight * (t - view.lastT()) * 50.0 + view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) + } + + lastX = x + lastY = y + lastMods = mods + } + + mouseWheel(element, function(dx, dy, dz) { + var flipX = camera.flipX ? 1 : -1 + var flipY = camera.flipY ? 1 : -1 + var t = now() + if(Math.abs(dx) > Math.abs(dy)) { + view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth) + } else { + var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0 + view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) + } + }, true) + + return camera +} },{"3d-view":9,"mouse-change":191,"mouse-event-offset":192,"mouse-wheel":194,"right-now":236}],9:[function(require,module,exports){ 'use strict' @@ -9901,438 +9901,438 @@ if (typeof module === 'object' && module.exports) { }).call(this,require("buffer").Buffer) },{"buffer":45}],60:[function(require,module,exports){ -'use strict' - -module.exports = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; +'use strict' + +module.exports = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] +}; },{}],61:[function(require,module,exports){ -/** @module color-rgba */ - -'use strict' - -var rgba = require('color-rgba') -var clamp = require('clamp') -var dtype = require('dtype') - -module.exports = function normalize (color, type) { - if (type === 'float' || !type) type = 'array' - if (type === 'uint') type = 'uint8' - if (type === 'uint_clamped') type = 'uint8_clamped' - var Ctor = dtype(type) - var output = new Ctor(4) - - //same class does not change values - if (color instanceof Ctor) { - if (Array.isArray(color)) { - return color.slice() - } - - output.set(color) - - return output - } - - var normalize = type !== 'uint8' && type !== 'uint8_clamped' - - //consider uint8 array as 0..255 channel values - if (color instanceof Uint8Array || color instanceof Uint8ClampedArray) { - output[0] = color[0] - output[1] = color[1] - output[2] = color[2] - output[3] = color[3] != null ? color[3] : 255 - if (normalize) { - output[0] /= 255 - output[1] /= 255 - output[2] /= 255 - output[3] /= 255 - } - - return output - } - - //attempt to parse non-array arguments - if (!color.length || typeof color === 'string') { - color = rgba(color) - color[0] /= 255 - color[1] /= 255 - color[2] /= 255 - } - - //consider every other array type as 0..1 float values - if (!normalize) { - output[0] = clamp(Math.round(color[0] * 255), 0, 255) - output[1] = clamp(Math.round(color[1] * 255), 0, 255) - output[2] = clamp(Math.round(color[2] * 255), 0, 255) - output[3] = color[3] == null ? 255 : clamp(Math.floor(color[3] * 255), 0, 255) - } else { - output[0] = color[0] - output[1] = color[1] - output[2] = color[2] - output[3] = color[3] != null ? color[3] : 1 - } - - return output -} +/** @module color-rgba */ + +'use strict' + +var rgba = require('color-rgba') +var clamp = require('clamp') +var dtype = require('dtype') + +module.exports = function normalize (color, type) { + if (type === 'float' || !type) type = 'array' + if (type === 'uint') type = 'uint8' + if (type === 'uint_clamped') type = 'uint8_clamped' + var Ctor = dtype(type) + var output = new Ctor(4) + + //same class does not change values + if (color instanceof Ctor) { + if (Array.isArray(color)) { + return color.slice() + } + + output.set(color) + + return output + } + + var normalize = type !== 'uint8' && type !== 'uint8_clamped' + + //consider uint8 array as 0..255 channel values + if (color instanceof Uint8Array || color instanceof Uint8ClampedArray) { + output[0] = color[0] + output[1] = color[1] + output[2] = color[2] + output[3] = color[3] != null ? color[3] : 255 + if (normalize) { + output[0] /= 255 + output[1] /= 255 + output[2] /= 255 + output[3] /= 255 + } + + return output + } + + //attempt to parse non-array arguments + if (!color.length || typeof color === 'string') { + color = rgba(color) + color[0] /= 255 + color[1] /= 255 + color[2] /= 255 + } + + //consider every other array type as 0..1 float values + if (!normalize) { + output[0] = clamp(Math.round(color[0] * 255), 0, 255) + output[1] = clamp(Math.round(color[1] * 255), 0, 255) + output[2] = clamp(Math.round(color[2] * 255), 0, 255) + output[3] = color[3] == null ? 255 : clamp(Math.floor(color[3] * 255), 0, 255) + } else { + output[0] = color[0] + output[1] = color[1] + output[2] = color[2] + output[3] = color[3] != null ? color[3] : 1 + } + + return output +} },{"clamp":56,"color-rgba":63,"dtype":84}],62:[function(require,module,exports){ (function (global){ -/** - * @module color-parse - */ - -'use strict' - -var names = require('color-name') -var isObject = require('is-plain-obj') -var defined = require('defined') - -module.exports = parse - -/** - * Base hues - * http://dev.w3.org/csswg/css-color/#typedef-named-hue - */ -//FIXME: use external hue detector -var baseHues = { - red: 0, - orange: 60, - yellow: 120, - green: 180, - blue: 240, - purple: 300 -} - -/** - * Parse color from the string passed - * - * @return {Object} A space indicator `space`, an array `values` and `alpha` - */ -function parse (cstr) { - var m, parts = [], alpha = 1, space - - if (typeof cstr === 'string') { - //keyword - if (names[cstr]) { - parts = names[cstr].slice() - space = 'rgb' - } - - //reserved words - else if (cstr === 'transparent') { - alpha = 0 - space = 'rgb' - parts = [0,0,0] - } - - //hex - else if (/^#[A-Fa-f0-9]+$/.test(cstr)) { - var base = cstr.slice(1) - var size = base.length - var isShort = size <= 4 - alpha = 1 - - if (isShort) { - parts = [ - parseInt(base[0] + base[0], 16), - parseInt(base[1] + base[1], 16), - parseInt(base[2] + base[2], 16) - ] - if (size === 4) { - alpha = parseInt(base[3] + base[3], 16) / 255 - } - } - else { - parts = [ - parseInt(base[0] + base[1], 16), - parseInt(base[2] + base[3], 16), - parseInt(base[4] + base[5], 16) - ] - if (size === 8) { - alpha = parseInt(base[6] + base[7], 16) / 255 - } - } - - if (!parts[0]) parts[0] = 0 - if (!parts[1]) parts[1] = 0 - if (!parts[2]) parts[2] = 0 - - space = 'rgb' - } - - //color space - else if (m = /^((?:rgb|hs[lvb]|hwb|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms)a?)\s*\(([^\)]*)\)/.exec(cstr)) { - var name = m[1] - var base = name.replace(/a$/, '') - space = base - var size = base === 'cmyk' ? 4 : base === 'gray' ? 1 : 3 - parts = m[2].trim() - .split(/\s*,\s*/) - .map(function (x, i) { - // - if (/%$/.test(x)) { - //alpha - if (i === size) return parseFloat(x) / 100 - //rgb - if (base === 'rgb') return parseFloat(x) * 255 / 100 - return parseFloat(x) - } - //hue - else if (base[i] === 'h') { - // - if (/deg$/.test(x)) { - return parseFloat(x) - } - // - else if (baseHues[x] !== undefined) { - return baseHues[x] - } - } - return parseFloat(x) - }) - - if (name === base) parts.push(1) - alpha = parts[size] === undefined ? 1 : parts[size] - parts = parts.slice(0, size) - } - - //named channels case - else if (cstr.length > 10 && /[0-9](?:\s|\/)/.test(cstr)) { - parts = cstr.match(/([0-9]+)/g).map(function (value) { - return parseFloat(value) - }) - - space = cstr.match(/([a-z])/ig).join('').toLowerCase() - } - } - - //numeric case - else if (typeof cstr === 'number') { - space = 'rgb' - parts = [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff] - } - - //object case - detects css cases of rgb and hsl - else if (isObject(cstr)) { - var r = defined(cstr.r, cstr.red, cstr.R, null) - - if (r !== null) { - space = 'rgb' - parts = [ - r, - defined(cstr.g, cstr.green, cstr.G), - defined(cstr.b, cstr.blue, cstr.B) - ] - } - else { - space = 'hsl' - parts = [ - defined(cstr.h, cstr.hue, cstr.H), - defined(cstr.s, cstr.saturation, cstr.S), - defined(cstr.l, cstr.lightness, cstr.L, cstr.b, cstr.brightness) - ] - } - - alpha = defined(cstr.a, cstr.alpha, cstr.opacity, 1) - - if (cstr.opacity != null) alpha /= 100 - } - - //array - else if (Array.isArray(cstr) || global.ArrayBuffer && ArrayBuffer.isView && ArrayBuffer.isView(cstr)) { - parts = [cstr[0], cstr[1], cstr[2]] - space = 'rgb' - alpha = cstr.length === 4 ? cstr[3] : 1 - } - - return { - space: space, - values: parts, - alpha: alpha - } -} +/** + * @module color-parse + */ + +'use strict' + +var names = require('color-name') +var isObject = require('is-plain-obj') +var defined = require('defined') + +module.exports = parse + +/** + * Base hues + * http://dev.w3.org/csswg/css-color/#typedef-named-hue + */ +//FIXME: use external hue detector +var baseHues = { + red: 0, + orange: 60, + yellow: 120, + green: 180, + blue: 240, + purple: 300 +} + +/** + * Parse color from the string passed + * + * @return {Object} A space indicator `space`, an array `values` and `alpha` + */ +function parse (cstr) { + var m, parts = [], alpha = 1, space + + if (typeof cstr === 'string') { + //keyword + if (names[cstr]) { + parts = names[cstr].slice() + space = 'rgb' + } + + //reserved words + else if (cstr === 'transparent') { + alpha = 0 + space = 'rgb' + parts = [0,0,0] + } + + //hex + else if (/^#[A-Fa-f0-9]+$/.test(cstr)) { + var base = cstr.slice(1) + var size = base.length + var isShort = size <= 4 + alpha = 1 + + if (isShort) { + parts = [ + parseInt(base[0] + base[0], 16), + parseInt(base[1] + base[1], 16), + parseInt(base[2] + base[2], 16) + ] + if (size === 4) { + alpha = parseInt(base[3] + base[3], 16) / 255 + } + } + else { + parts = [ + parseInt(base[0] + base[1], 16), + parseInt(base[2] + base[3], 16), + parseInt(base[4] + base[5], 16) + ] + if (size === 8) { + alpha = parseInt(base[6] + base[7], 16) / 255 + } + } + + if (!parts[0]) parts[0] = 0 + if (!parts[1]) parts[1] = 0 + if (!parts[2]) parts[2] = 0 + + space = 'rgb' + } + + //color space + else if (m = /^((?:rgb|hs[lvb]|hwb|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms)a?)\s*\(([^\)]*)\)/.exec(cstr)) { + var name = m[1] + var base = name.replace(/a$/, '') + space = base + var size = base === 'cmyk' ? 4 : base === 'gray' ? 1 : 3 + parts = m[2].trim() + .split(/\s*,\s*/) + .map(function (x, i) { + // + if (/%$/.test(x)) { + //alpha + if (i === size) return parseFloat(x) / 100 + //rgb + if (base === 'rgb') return parseFloat(x) * 255 / 100 + return parseFloat(x) + } + //hue + else if (base[i] === 'h') { + // + if (/deg$/.test(x)) { + return parseFloat(x) + } + // + else if (baseHues[x] !== undefined) { + return baseHues[x] + } + } + return parseFloat(x) + }) + + if (name === base) parts.push(1) + alpha = parts[size] === undefined ? 1 : parts[size] + parts = parts.slice(0, size) + } + + //named channels case + else if (cstr.length > 10 && /[0-9](?:\s|\/)/.test(cstr)) { + parts = cstr.match(/([0-9]+)/g).map(function (value) { + return parseFloat(value) + }) + + space = cstr.match(/([a-z])/ig).join('').toLowerCase() + } + } + + //numeric case + else if (typeof cstr === 'number') { + space = 'rgb' + parts = [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff] + } + + //object case - detects css cases of rgb and hsl + else if (isObject(cstr)) { + var r = defined(cstr.r, cstr.red, cstr.R, null) + + if (r !== null) { + space = 'rgb' + parts = [ + r, + defined(cstr.g, cstr.green, cstr.G), + defined(cstr.b, cstr.blue, cstr.B) + ] + } + else { + space = 'hsl' + parts = [ + defined(cstr.h, cstr.hue, cstr.H), + defined(cstr.s, cstr.saturation, cstr.S), + defined(cstr.l, cstr.lightness, cstr.L, cstr.b, cstr.brightness) + ] + } + + alpha = defined(cstr.a, cstr.alpha, cstr.opacity, 1) + + if (cstr.opacity != null) alpha /= 100 + } + + //array + else if (Array.isArray(cstr) || global.ArrayBuffer && ArrayBuffer.isView && ArrayBuffer.isView(cstr)) { + parts = [cstr[0], cstr[1], cstr[2]] + space = 'rgb' + alpha = cstr.length === 4 ? cstr[3] : 1 + } + + return { + space: space, + values: parts, + alpha: alpha + } +} }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"color-name":60,"defined":81,"is-plain-obj":183}],63:[function(require,module,exports){ -/** @module color-rgba */ - -'use strict' - -var parse = require('color-parse') -var hsl = require('color-space/hsl') -var clamp = require('clamp') - -module.exports = function rgba (color) { - var values, i, l - - if (typeof color !== 'string') throw Error('Argument should be a string') - - //attempt to parse non-array arguments - var parsed = parse(color) - - if (!parsed.space) return [] - - values = Array(3) - values[0] = clamp(parsed.values[0], 0, 255) - values[1] = clamp(parsed.values[1], 0, 255) - values[2] = clamp(parsed.values[2], 0, 255) - - if (parsed.space[0] === 'h') { - values = hsl.rgb(values) - } - - values.push(clamp(parsed.alpha, 0, 1)) - - return values -} +/** @module color-rgba */ + +'use strict' + +var parse = require('color-parse') +var hsl = require('color-space/hsl') +var clamp = require('clamp') + +module.exports = function rgba (color) { + var values, i, l + + if (typeof color !== 'string') throw Error('Argument should be a string') + + //attempt to parse non-array arguments + var parsed = parse(color) + + if (!parsed.space) return [] + + values = Array(3) + values[0] = clamp(parsed.values[0], 0, 255) + values[1] = clamp(parsed.values[1], 0, 255) + values[2] = clamp(parsed.values[2], 0, 255) + + if (parsed.space[0] === 'h') { + values = hsl.rgb(values) + } + + values.push(clamp(parsed.alpha, 0, 1)) + + return values +} },{"clamp":56,"color-parse":62,"color-space/hsl":64}],64:[function(require,module,exports){ /** @@ -11018,559 +11018,559 @@ function cubicHermite(p0, v0, p1, v1, t, f) { module.exports = cubicHermite module.exports.derivative = dcubicHermite },{}],76:[function(require,module,exports){ -"use strict" - -var createThunk = require("./lib/thunk.js") - -function Procedure() { - this.argTypes = [] - this.shimArgs = [] - this.arrayArgs = [] - this.arrayBlockIndices = [] - this.scalarArgs = [] - this.offsetArgs = [] - this.offsetArgIndex = [] - this.indexArgs = [] - this.shapeArgs = [] - this.funcName = "" - this.pre = null - this.body = null - this.post = null - this.debug = false -} - -function compileCwise(user_args) { - //Create procedure - var proc = new Procedure() - - //Parse blocks - proc.pre = user_args.pre - proc.body = user_args.body - proc.post = user_args.post - - //Parse arguments - var proc_args = user_args.args.slice(0) - proc.argTypes = proc_args - for(var i=0; i0) { - throw new Error("cwise: pre() block may not reference array args") - } - if(i < proc.post.args.length && proc.post.args[i].count>0) { - throw new Error("cwise: post() block may not reference array args") - } - } else if(arg_type === "scalar") { - proc.scalarArgs.push(i) - proc.shimArgs.push("scalar" + i) - } else if(arg_type === "index") { - proc.indexArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { - throw new Error("cwise: pre() block may not reference array index") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array index") - } - if(i < proc.post.args.length && proc.post.args[i].count > 0) { - throw new Error("cwise: post() block may not reference array index") - } - } else if(arg_type === "shape") { - proc.shapeArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { - throw new Error("cwise: pre() block may not write to array shape") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array shape") - } - if(i < proc.post.args.length && proc.post.args[i].lvalue) { - throw new Error("cwise: post() block may not write to array shape") - } - } else if(typeof arg_type === "object" && arg_type.offset) { - proc.argTypes[i] = "offset" - proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) - proc.offsetArgIndex.push(i) - } else { - throw new Error("cwise: Unknown argument type " + proc_args[i]) - } - } - - //Make sure at least one array argument was specified - if(proc.arrayArgs.length <= 0) { - throw new Error("cwise: No array arguments specified") - } - - //Make sure arguments are correct - if(proc.pre.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in pre() block") - } - if(proc.body.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in body() block") - } - if(proc.post.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in post() block") - } - - //Check debug flag - proc.debug = !!user_args.printCode || !!user_args.debug - - //Retrieve name - proc.funcName = user_args.funcName || "cwise" - - //Read in block size - proc.blockSize = user_args.blockSize || 64 - - return createThunk(proc) -} - -module.exports = compileCwise +"use strict" + +var createThunk = require("./lib/thunk.js") + +function Procedure() { + this.argTypes = [] + this.shimArgs = [] + this.arrayArgs = [] + this.arrayBlockIndices = [] + this.scalarArgs = [] + this.offsetArgs = [] + this.offsetArgIndex = [] + this.indexArgs = [] + this.shapeArgs = [] + this.funcName = "" + this.pre = null + this.body = null + this.post = null + this.debug = false +} + +function compileCwise(user_args) { + //Create procedure + var proc = new Procedure() + + //Parse blocks + proc.pre = user_args.pre + proc.body = user_args.body + proc.post = user_args.post + + //Parse arguments + var proc_args = user_args.args.slice(0) + proc.argTypes = proc_args + for(var i=0; i0) { + throw new Error("cwise: pre() block may not reference array args") + } + if(i < proc.post.args.length && proc.post.args[i].count>0) { + throw new Error("cwise: post() block may not reference array args") + } + } else if(arg_type === "scalar") { + proc.scalarArgs.push(i) + proc.shimArgs.push("scalar" + i) + } else if(arg_type === "index") { + proc.indexArgs.push(i) + if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { + throw new Error("cwise: pre() block may not reference array index") + } + if(i < proc.body.args.length && proc.body.args[i].lvalue) { + throw new Error("cwise: body() block may not write to array index") + } + if(i < proc.post.args.length && proc.post.args[i].count > 0) { + throw new Error("cwise: post() block may not reference array index") + } + } else if(arg_type === "shape") { + proc.shapeArgs.push(i) + if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { + throw new Error("cwise: pre() block may not write to array shape") + } + if(i < proc.body.args.length && proc.body.args[i].lvalue) { + throw new Error("cwise: body() block may not write to array shape") + } + if(i < proc.post.args.length && proc.post.args[i].lvalue) { + throw new Error("cwise: post() block may not write to array shape") + } + } else if(typeof arg_type === "object" && arg_type.offset) { + proc.argTypes[i] = "offset" + proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) + proc.offsetArgIndex.push(i) + } else { + throw new Error("cwise: Unknown argument type " + proc_args[i]) + } + } + + //Make sure at least one array argument was specified + if(proc.arrayArgs.length <= 0) { + throw new Error("cwise: No array arguments specified") + } + + //Make sure arguments are correct + if(proc.pre.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in pre() block") + } + if(proc.body.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in body() block") + } + if(proc.post.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in post() block") + } + + //Check debug flag + proc.debug = !!user_args.printCode || !!user_args.debug + + //Retrieve name + proc.funcName = user_args.funcName || "cwise" + + //Read in block size + proc.blockSize = user_args.blockSize || 64 + + return createThunk(proc) +} + +module.exports = compileCwise },{"./lib/thunk.js":78}],77:[function(require,module,exports){ -"use strict" - -var uniq = require("uniq") - -// This function generates very simple loops analogous to how you typically traverse arrays (the outermost loop corresponds to the slowest changing index, the innermost loop to the fastest changing index) -// TODO: If two arrays have the same strides (and offsets) there is potential for decreasing the number of "pointers" and related variables. The drawback is that the type signature would become more specific and that there would thus be less potential for caching, but it might still be worth it, especially when dealing with large numbers of arguments. -function innerFill(order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , has_index = proc.indexArgs.length>0 - , code = [] - , vars = [] - , idx=0, pidx=0, i, j - for(i=0; i=0; --i) { // Start at largest stride and work your way inwards - idx = order[i] - code.push(["for(i",i,"=0;i",i," 0) { - code.push(["index[",pidx,"]-=s",pidx].join("")) - } - code.push(["++index[",idx,"]"].join("")) - } - code.push("}") - } - return code.join("\n") -} - -// Generate "outer" loops that loop over blocks of data, applying "inner" loops to the blocks by manipulating the local variables in such a way that the inner loop only "sees" the current block. -// TODO: If this is used, then the previous declaration (done by generateCwiseOp) of s* is essentially unnecessary. -// I believe the s* are not used elsewhere (in particular, I don't think they're used in the pre/post parts and "shape" is defined independently), so it would be possible to make defining the s* dependent on what loop method is being used. -function outerFill(matched, order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , blockSize = proc.blockSize - , has_index = proc.indexArgs.length > 0 - , code = [] - for(var i=0; i0;){"].join("")) // Iterate back to front - code.push(["if(j",i,"<",blockSize,"){"].join("")) // Either decrease j by blockSize (s = blockSize), or set it to zero (after setting s = j). - code.push(["s",order[i],"=j",i].join("")) - code.push(["j",i,"=0"].join("")) - code.push(["}else{s",order[i],"=",blockSize].join("")) - code.push(["j",i,"-=",blockSize,"}"].join("")) - if(has_index) { - code.push(["index[",order[i],"]=j",i].join("")) - } - } - for(var i=0; i 0) { - allEqual = allEqual && summary[i] === summary[i-1] - } - } - if(allEqual) { - return summary[0] - } - return summary.join("") -} - -//Generates a cwise operator -function generateCWiseOp(proc, typesig) { - - //Compute dimension - // Arrays get put first in typesig, and there are two entries per array (dtype and order), so this gets the number of dimensions in the first array arg. - var dimension = (typesig[1].length - Math.abs(proc.arrayBlockIndices[0]))|0 - var orders = new Array(proc.arrayArgs.length) - var dtypes = new Array(proc.arrayArgs.length) - for(var i=0; i 0) { - vars.push("shape=SS.slice(0)") // Makes the shape over which we iterate available to the user defined functions (so you can use width/height for example) - } - if(proc.indexArgs.length > 0) { - // Prepare an array to keep track of the (logical) indices, initialized to dimension zeroes. - var zeros = new Array(dimension) - for(var i=0; i 3) { - code.push(processBlock(proc.pre, proc, dtypes)) - } - - //Process body - var body = processBlock(proc.body, proc, dtypes) - var matched = countMatches(loopOrders) - if(matched < dimension) { - code.push(outerFill(matched, loopOrders[0], proc, body)) // TODO: Rather than passing loopOrders[0], it might be interesting to look at passing an order that represents the majority of the arguments for example. - } else { - code.push(innerFill(loopOrders[0], proc, body)) - } - - //Inline epilog - if(proc.post.body.length > 3) { - code.push(processBlock(proc.post, proc, dtypes)) - } - - if(proc.debug) { - console.log("-----Generated cwise routine for ", typesig, ":\n" + code.join("\n") + "\n----------") - } - - var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") - var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) - return f() -} -module.exports = generateCWiseOp +"use strict" + +var uniq = require("uniq") + +// This function generates very simple loops analogous to how you typically traverse arrays (the outermost loop corresponds to the slowest changing index, the innermost loop to the fastest changing index) +// TODO: If two arrays have the same strides (and offsets) there is potential for decreasing the number of "pointers" and related variables. The drawback is that the type signature would become more specific and that there would thus be less potential for caching, but it might still be worth it, especially when dealing with large numbers of arguments. +function innerFill(order, proc, body) { + var dimension = order.length + , nargs = proc.arrayArgs.length + , has_index = proc.indexArgs.length>0 + , code = [] + , vars = [] + , idx=0, pidx=0, i, j + for(i=0; i=0; --i) { // Start at largest stride and work your way inwards + idx = order[i] + code.push(["for(i",i,"=0;i",i," 0) { + code.push(["index[",pidx,"]-=s",pidx].join("")) + } + code.push(["++index[",idx,"]"].join("")) + } + code.push("}") + } + return code.join("\n") +} + +// Generate "outer" loops that loop over blocks of data, applying "inner" loops to the blocks by manipulating the local variables in such a way that the inner loop only "sees" the current block. +// TODO: If this is used, then the previous declaration (done by generateCwiseOp) of s* is essentially unnecessary. +// I believe the s* are not used elsewhere (in particular, I don't think they're used in the pre/post parts and "shape" is defined independently), so it would be possible to make defining the s* dependent on what loop method is being used. +function outerFill(matched, order, proc, body) { + var dimension = order.length + , nargs = proc.arrayArgs.length + , blockSize = proc.blockSize + , has_index = proc.indexArgs.length > 0 + , code = [] + for(var i=0; i0;){"].join("")) // Iterate back to front + code.push(["if(j",i,"<",blockSize,"){"].join("")) // Either decrease j by blockSize (s = blockSize), or set it to zero (after setting s = j). + code.push(["s",order[i],"=j",i].join("")) + code.push(["j",i,"=0"].join("")) + code.push(["}else{s",order[i],"=",blockSize].join("")) + code.push(["j",i,"-=",blockSize,"}"].join("")) + if(has_index) { + code.push(["index[",order[i],"]=j",i].join("")) + } + } + for(var i=0; i 0) { + allEqual = allEqual && summary[i] === summary[i-1] + } + } + if(allEqual) { + return summary[0] + } + return summary.join("") +} + +//Generates a cwise operator +function generateCWiseOp(proc, typesig) { + + //Compute dimension + // Arrays get put first in typesig, and there are two entries per array (dtype and order), so this gets the number of dimensions in the first array arg. + var dimension = (typesig[1].length - Math.abs(proc.arrayBlockIndices[0]))|0 + var orders = new Array(proc.arrayArgs.length) + var dtypes = new Array(proc.arrayArgs.length) + for(var i=0; i 0) { + vars.push("shape=SS.slice(0)") // Makes the shape over which we iterate available to the user defined functions (so you can use width/height for example) + } + if(proc.indexArgs.length > 0) { + // Prepare an array to keep track of the (logical) indices, initialized to dimension zeroes. + var zeros = new Array(dimension) + for(var i=0; i 3) { + code.push(processBlock(proc.pre, proc, dtypes)) + } + + //Process body + var body = processBlock(proc.body, proc, dtypes) + var matched = countMatches(loopOrders) + if(matched < dimension) { + code.push(outerFill(matched, loopOrders[0], proc, body)) // TODO: Rather than passing loopOrders[0], it might be interesting to look at passing an order that represents the majority of the arguments for example. + } else { + code.push(innerFill(loopOrders[0], proc, body)) + } + + //Inline epilog + if(proc.post.body.length > 3) { + code.push(processBlock(proc.post, proc, dtypes)) + } + + if(proc.debug) { + console.log("-----Generated cwise routine for ", typesig, ":\n" + code.join("\n") + "\n----------") + } + + var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") + var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) + return f() +} +module.exports = generateCWiseOp },{"uniq":271}],78:[function(require,module,exports){ -"use strict" - -// The function below is called when constructing a cwise function object, and does the following: -// A function object is constructed which accepts as argument a compilation function and returns another function. -// It is this other function that is eventually returned by createThunk, and this function is the one that actually -// checks whether a certain pattern of arguments has already been used before and compiles new loops as needed. -// The compilation passed to the first function object is used for compiling new functions. -// Once this function object is created, it is called with compile as argument, where the first argument of compile -// is bound to "proc" (essentially containing a preprocessed version of the user arguments to cwise). -// So createThunk roughly works like this: -// function createThunk(proc) { -// var thunk = function(compileBound) { -// var CACHED = {} -// return function(arrays and scalars) { -// if (dtype and order of arrays in CACHED) { -// var func = CACHED[dtype and order of arrays] -// } else { -// var func = CACHED[dtype and order of arrays] = compileBound(dtype and order of arrays) -// } -// return func(arrays and scalars) -// } -// } -// return thunk(compile.bind1(proc)) -// } - -var compile = require("./compile.js") - -function createThunk(proc) { - var code = ["'use strict'", "var CACHED={}"] - var vars = [] - var thunkName = proc.funcName + "_cwise_thunk" - - //Build thunk - code.push(["return function ", thunkName, "(", proc.shimArgs.join(","), "){"].join("")) - var typesig = [] - var string_typesig = [] - var proc_args = [["array",proc.arrayArgs[0],".shape.slice(", // Slice shape so that we only retain the shape over which we iterate (which gets passed to the cwise operator as SS). - Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?(","+proc.arrayBlockIndices[0]+")"):")"].join("")] - var shapeLengthConditions = [], shapeConditions = [] - // Process array arguments - for(var i=0; i0) { // Gather conditions to check for shape equality (ignoring block indices) - shapeLengthConditions.push("array" + proc.arrayArgs[0] + ".shape.length===array" + j + ".shape.length+" + (Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))) - shapeConditions.push("array" + proc.arrayArgs[0] + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[0]) + "]===array" + j + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[i]) + "]") - } - } - // Check for shape equality - if (proc.arrayArgs.length > 1) { - code.push("if (!(" + shapeLengthConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same dimensionality!')") - code.push("for(var shapeIndex=array" + proc.arrayArgs[0] + ".shape.length-" + Math.abs(proc.arrayBlockIndices[0]) + "; shapeIndex-->0;) {") - code.push("if (!(" + shapeConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same shape!')") - code.push("}") - } - // Process scalar arguments - for(var i=0; i0) { // Gather conditions to check for shape equality (ignoring block indices) + shapeLengthConditions.push("array" + proc.arrayArgs[0] + ".shape.length===array" + j + ".shape.length+" + (Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))) + shapeConditions.push("array" + proc.arrayArgs[0] + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[0]) + "]===array" + j + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[i]) + "]") + } + } + // Check for shape equality + if (proc.arrayArgs.length > 1) { + code.push("if (!(" + shapeLengthConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same dimensionality!')") + code.push("for(var shapeIndex=array" + proc.arrayArgs[0] + ".shape.length-" + Math.abs(proc.arrayBlockIndices[0]) + "; shapeIndex-->0;) {") + code.push("if (!(" + shapeConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same shape!')") + code.push("}") + } + // Process scalar arguments + for(var i=0; i 0) { - var base = Math.round(Math.pow(10, y)) - return Math.ceil(x/base) * base - } - return Math.ceil(x) -} - -function defaultBool(x) { - if(typeof x === 'boolean') { - return x - } - return true -} - -function createScene(options) { - options = options || {} - - var stopped = false - - var pixelRatio = options.pixelRatio || parseFloat(window.devicePixelRatio) - - var canvas = options.canvas - if(!canvas) { - canvas = document.createElement('canvas') - if(options.container) { - var container = options.container - container.appendChild(canvas) - } else { - document.body.appendChild(canvas) - } - } - - var gl = options.gl - if(!gl) { - gl = getContext(canvas, - options.glOptions || { - premultipliedAlpha: true, - antialias: true - }) - } - if(!gl) { - throw new Error('webgl not supported') - } - - //Initial bounds - var bounds = options.bounds || [[-10,-10,-10], [10,10,10]] - - //Create selection - var selection = new MouseSelect() - - //Accumulation buffer - var accumBuffer = createFBO(gl, - [gl.drawingBufferWidth, gl.drawingBufferHeight], { - preferFloat: !isMobile - }) - - var accumShader = createShader(gl) - - //Create a camera - var cameraOptions = options.camera || { - eye: [2,0,0], - center: [0,0,0], - up: [0,1,0], - zoomMin: 0.1, - zoomMax: 100, - mode: 'turntable' - } - - //Create axes - var axesOptions = options.axes || {} - var axes = createAxes(gl, axesOptions) - axes.enable = !axesOptions.disable - - //Create spikes - var spikeOptions = options.spikes || {} - var spikes = createSpikes(gl, spikeOptions) - - //Object list is empty initially - var objects = [] - var pickBufferIds = [] - var pickBufferCount = [] - var pickBuffers = [] - - //Dirty flag, skip redraw if scene static - var dirty = true - var pickDirty = true - - var projection = new Array(16) - var model = new Array(16) - - var cameraParams = { - view: null, - projection: projection, - model: model - } - - var pickDirty = true - - var viewShape = [ gl.drawingBufferWidth, gl.drawingBufferHeight ] - - //Create scene object - var scene = { - gl: gl, - contextLost: false, - pixelRatio: options.pixelRatio || parseFloat(window.devicePixelRatio), - canvas: canvas, - selection: selection, - camera: createCamera(canvas, cameraOptions), - axes: axes, - axesPixels: null, - spikes: spikes, - bounds: bounds, - objects: objects, - shape: viewShape, - aspect: options.aspectRatio || [1,1,1], - pickRadius: options.pickRadius || 10, - zNear: options.zNear || 0.01, - zFar: options.zFar || 1000, - fovy: options.fovy || Math.PI/4, - clearColor: options.clearColor || [0,0,0,0], - autoResize: defaultBool(options.autoResize), - autoBounds: defaultBool(options.autoBounds), - autoScale: !!options.autoScale, - autoCenter: defaultBool(options.autoCenter), - clipToBounds: defaultBool(options.clipToBounds), - snapToData: !!options.snapToData, - onselect: options.onselect || null, - onrender: options.onrender || null, - onclick: options.onclick || null, - cameraParams: cameraParams, - oncontextloss: null, - mouseListener: null - } - - var pickShape = [ (gl.drawingBufferWidth/scene.pixelRatio)|0, (gl.drawingBufferHeight/scene.pixelRatio)|0 ] - - function resizeListener() { - if(stopped) { - return - } - if(!scene.autoResize) { - return - } - var parent = canvas.parentNode - var width = 1 - var height = 1 - if(parent && parent !== document.body) { - width = parent.clientWidth - height = parent.clientHeight - } else { - width = window.innerWidth - height = window.innerHeight - } - var nextWidth = Math.ceil(width * scene.pixelRatio)|0 - var nextHeight = Math.ceil(height * scene.pixelRatio)|0 - if(nextWidth !== canvas.width || nextHeight !== canvas.height) { - canvas.width = nextWidth - canvas.height = nextHeight - var style = canvas.style - style.position = style.position || 'absolute' - style.left = '0px' - style.top = '0px' - style.width = width + 'px' - style.height = height + 'px' - dirty = true - } - } - if(scene.autoResize) { - resizeListener() - } - window.addEventListener('resize', resizeListener) - - function reallocPickIds() { - var numObjs = objects.length - var numPick = pickBuffers.length - for(var i=0; i 0 && pickBufferCount[numPick-1] === 0) { - pickBufferCount.pop() - pickBuffers.pop().dispose() - } - } - - scene.update = function(options) { - if(stopped) { - return - } - options = options || {} - dirty = true - pickDirty = true - } - - scene.add = function(obj) { - if(stopped) { - return - } - obj.axes = axes - objects.push(obj) - pickBufferIds.push(-1) - dirty = true - pickDirty = true - reallocPickIds() - } - - scene.remove = function(obj) { - if(stopped) { - return - } - var idx = objects.indexOf(obj) - if(idx < 0) { - return - } - objects.splice(idx, 1) - pickBufferIds.pop() - dirty = true - pickDirty = true - reallocPickIds() - } - - scene.dispose = function() { - if(stopped) { - return - } - - stopped = true - - window.removeEventListener('resize', resizeListener) - canvas.removeEventListener('webglcontextlost', checkContextLoss) - scene.mouseListener.enabled = false - - if(scene.contextLost) { - return - } - - //Destroy objects - axes.dispose() - spikes.dispose() - for(var i=0; i selection.distance) { - continue - } - for(var j=0; j 0) { + var base = Math.round(Math.pow(10, y)) + return Math.ceil(x/base) * base + } + return Math.ceil(x) +} + +function defaultBool(x) { + if(typeof x === 'boolean') { + return x + } + return true +} + +function createScene(options) { + options = options || {} + + var stopped = false + + var pixelRatio = options.pixelRatio || parseFloat(window.devicePixelRatio) + + var canvas = options.canvas + if(!canvas) { + canvas = document.createElement('canvas') + if(options.container) { + var container = options.container + container.appendChild(canvas) + } else { + document.body.appendChild(canvas) + } + } + + var gl = options.gl + if(!gl) { + gl = getContext(canvas, + options.glOptions || { + premultipliedAlpha: true, + antialias: true + }) + } + if(!gl) { + throw new Error('webgl not supported') + } + + //Initial bounds + var bounds = options.bounds || [[-10,-10,-10], [10,10,10]] + + //Create selection + var selection = new MouseSelect() + + //Accumulation buffer + var accumBuffer = createFBO(gl, + [gl.drawingBufferWidth, gl.drawingBufferHeight], { + preferFloat: !isMobile + }) + + var accumShader = createShader(gl) + + //Create a camera + var cameraOptions = options.camera || { + eye: [2,0,0], + center: [0,0,0], + up: [0,1,0], + zoomMin: 0.1, + zoomMax: 100, + mode: 'turntable' + } + + //Create axes + var axesOptions = options.axes || {} + var axes = createAxes(gl, axesOptions) + axes.enable = !axesOptions.disable + + //Create spikes + var spikeOptions = options.spikes || {} + var spikes = createSpikes(gl, spikeOptions) + + //Object list is empty initially + var objects = [] + var pickBufferIds = [] + var pickBufferCount = [] + var pickBuffers = [] + + //Dirty flag, skip redraw if scene static + var dirty = true + var pickDirty = true + + var projection = new Array(16) + var model = new Array(16) + + var cameraParams = { + view: null, + projection: projection, + model: model + } + + var pickDirty = true + + var viewShape = [ gl.drawingBufferWidth, gl.drawingBufferHeight ] + + //Create scene object + var scene = { + gl: gl, + contextLost: false, + pixelRatio: options.pixelRatio || parseFloat(window.devicePixelRatio), + canvas: canvas, + selection: selection, + camera: createCamera(canvas, cameraOptions), + axes: axes, + axesPixels: null, + spikes: spikes, + bounds: bounds, + objects: objects, + shape: viewShape, + aspect: options.aspectRatio || [1,1,1], + pickRadius: options.pickRadius || 10, + zNear: options.zNear || 0.01, + zFar: options.zFar || 1000, + fovy: options.fovy || Math.PI/4, + clearColor: options.clearColor || [0,0,0,0], + autoResize: defaultBool(options.autoResize), + autoBounds: defaultBool(options.autoBounds), + autoScale: !!options.autoScale, + autoCenter: defaultBool(options.autoCenter), + clipToBounds: defaultBool(options.clipToBounds), + snapToData: !!options.snapToData, + onselect: options.onselect || null, + onrender: options.onrender || null, + onclick: options.onclick || null, + cameraParams: cameraParams, + oncontextloss: null, + mouseListener: null + } + + var pickShape = [ (gl.drawingBufferWidth/scene.pixelRatio)|0, (gl.drawingBufferHeight/scene.pixelRatio)|0 ] + + function resizeListener() { + if(stopped) { + return + } + if(!scene.autoResize) { + return + } + var parent = canvas.parentNode + var width = 1 + var height = 1 + if(parent && parent !== document.body) { + width = parent.clientWidth + height = parent.clientHeight + } else { + width = window.innerWidth + height = window.innerHeight + } + var nextWidth = Math.ceil(width * scene.pixelRatio)|0 + var nextHeight = Math.ceil(height * scene.pixelRatio)|0 + if(nextWidth !== canvas.width || nextHeight !== canvas.height) { + canvas.width = nextWidth + canvas.height = nextHeight + var style = canvas.style + style.position = style.position || 'absolute' + style.left = '0px' + style.top = '0px' + style.width = width + 'px' + style.height = height + 'px' + dirty = true + } + } + if(scene.autoResize) { + resizeListener() + } + window.addEventListener('resize', resizeListener) + + function reallocPickIds() { + var numObjs = objects.length + var numPick = pickBuffers.length + for(var i=0; i 0 && pickBufferCount[numPick-1] === 0) { + pickBufferCount.pop() + pickBuffers.pop().dispose() + } + } + + scene.update = function(options) { + if(stopped) { + return + } + options = options || {} + dirty = true + pickDirty = true + } + + scene.add = function(obj) { + if(stopped) { + return + } + obj.axes = axes + objects.push(obj) + pickBufferIds.push(-1) + dirty = true + pickDirty = true + reallocPickIds() + } + + scene.remove = function(obj) { + if(stopped) { + return + } + var idx = objects.indexOf(obj) + if(idx < 0) { + return + } + objects.splice(idx, 1) + pickBufferIds.pop() + dirty = true + pickDirty = true + reallocPickIds() + } + + scene.dispose = function() { + if(stopped) { + return + } + + stopped = true + + window.removeEventListener('resize', resizeListener) + canvas.removeEventListener('webglcontextlost', checkContextLoss) + scene.mouseListener.enabled = false + + if(scene.contextLost) { + return + } + + //Destroy objects + axes.dispose() + spikes.dispose() + for(var i=0; i selection.distance) { + continue + } + for(var j=0; j= 1) { - return true - } - for (var i = 0; i < 3; ++i) { - if (this._contourCounts[i].length > 0 || this._dynamicCounts[i] > 0) { - return true - } - } - return false -} - -proto.pickSlots = 1 - -proto.setPickBase = function (id) { - this.pickId = id -} - -var ZERO_VEC = [0, 0, 0] - -var PROJECT_DATA = { - showSurface: false, - showContour: false, - projections: [IDENTITY.slice(), IDENTITY.slice(), IDENTITY.slice()], - clipBounds: [ - [[0, 0, 0], [0, 0, 0]], - [[0, 0, 0], [0, 0, 0]], - [[0, 0, 0], [0, 0, 0]]] -} - -function computeProjectionData (camera, obj) { - var i, j, k - - // Compute cube properties - var cubeAxis = (obj.axes && obj.axes.lastCubeProps.axis) || ZERO_VEC - - var showSurface = obj.showSurface - var showContour = obj.showContour - - for (i = 0; i < 3; ++i) { - showSurface = showSurface || obj.surfaceProject[i] - for (j = 0; j < 3; ++j) { - showContour = showContour || obj.contourProject[i][j] - } - } - - for (i = 0; i < 3; ++i) { - // Construct projection onto axis - var axisSquish = PROJECT_DATA.projections[i] - for (j = 0; j < 16; ++j) { - axisSquish[j] = 0 - } - for (j = 0; j < 4; ++j) { - axisSquish[5 * j] = 1 - } - axisSquish[5 * i] = 0 - axisSquish[12 + i] = obj.axesBounds[+(cubeAxis[i] > 0)][i] - multiply(axisSquish, camera.model, axisSquish) - - var nclipBounds = PROJECT_DATA.clipBounds[i] - for (k = 0; k < 2; ++k) { - for (j = 0; j < 3; ++j) { - nclipBounds[k][j] = camera.clipBounds[k][j] - } - } - nclipBounds[0][i] = -1e8 - nclipBounds[1][i] = 1e8 - } - - PROJECT_DATA.showSurface = showSurface - PROJECT_DATA.showContour = showContour - - return PROJECT_DATA -} - -var UNIFORMS = { - model: IDENTITY, - view: IDENTITY, - projection: IDENTITY, - inverseModel: IDENTITY.slice(), - lowerBound: [0, 0, 0], - upperBound: [0, 0, 0], - colorMap: 0, - clipBounds: [[0, 0, 0], [0, 0, 0]], - height: 0.0, - contourTint: 0, - contourColor: [0, 0, 0, 1], - permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], - zOffset: -1e-4, - kambient: 1, - kdiffuse: 1, - kspecular: 1, - lightPosition: [1000, 1000, 1000], - eyePosition: [0, 0, 0], - roughness: 1, - fresnel: 1, - opacity: 1, - vertexColor: 0 -} - -var MATRIX_INVERSE = IDENTITY.slice() -var DEFAULT_PERM = [1, 0, 0, 0, 1, 0, 0, 0, 1] - -function drawCore (params, transparent) { - params = params || {} - var gl = this.gl - - gl.disable(gl.CULL_FACE) - - this._colorMap.bind(0) - - var uniforms = UNIFORMS - uniforms.model = params.model || IDENTITY - uniforms.view = params.view || IDENTITY - uniforms.projection = params.projection || IDENTITY - uniforms.lowerBound = [this.bounds[0][0], this.bounds[0][1], this.colorBounds[0] || this.bounds[0][2]] - uniforms.upperBound = [this.bounds[1][0], this.bounds[1][1], this.colorBounds[1] || this.bounds[1][2]] - uniforms.contourColor = this.contourColor[0] - - uniforms.inverseModel = invert(uniforms.inverseModel, uniforms.model) - - for (var i = 0; i < 2; ++i) { - var clipClamped = uniforms.clipBounds[i] - for (var j = 0; j < 3; ++j) { - clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) - } - } - - uniforms.kambient = this.ambientLight - uniforms.kdiffuse = this.diffuseLight - uniforms.kspecular = this.specularLight - - uniforms.roughness = this.roughness - uniforms.fresnel = this.fresnel - uniforms.opacity = this.opacity - - uniforms.height = 0.0 - uniforms.permutation = DEFAULT_PERM - - uniforms.vertexColor = this.vertexColor - - // Compute camera matrix inverse - var invCameraMatrix = MATRIX_INVERSE - multiply(invCameraMatrix, uniforms.view, uniforms.model) - multiply(invCameraMatrix, uniforms.projection, invCameraMatrix) - invert(invCameraMatrix, invCameraMatrix) - - for (i = 0; i < 3; ++i) { - uniforms.eyePosition[i] = invCameraMatrix[12 + i] / invCameraMatrix[15] - } - - var w = invCameraMatrix[15] - for (i = 0; i < 3; ++i) { - w += this.lightPosition[i] * invCameraMatrix[4 * i + 3] - } - for (i = 0; i < 3; ++i) { - var s = invCameraMatrix[12 + i] - for (j = 0; j < 3; ++j) { - s += invCameraMatrix[4 * j + i] * this.lightPosition[j] - } - uniforms.lightPosition[i] = s / w - } - - var projectData = computeProjectionData(uniforms, this) - - if (projectData.showSurface && (transparent === (this.opacity < 1))) { - // Set up uniforms - this._shader.bind() - this._shader.uniforms = uniforms - - // Draw it - this._vao.bind() - - if (this.showSurface && this._vertexCount) { - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - if (!this.surfaceProject[i] || !this.vertexCount) { - continue - } - this._shader.uniforms.model = projectData.projections[i] - this._shader.uniforms.clipBounds = projectData.clipBounds[i] - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - this._vao.unbind() - } - - if (projectData.showContour && !transparent) { - var shader = this._contourShader - - // Don't apply lighting to contours - uniforms.kambient = 1.0 - uniforms.kdiffuse = 0.0 - uniforms.kspecular = 0.0 - uniforms.opacity = 1.0 - - shader.bind() - shader.uniforms = uniforms - - // Draw contour lines - var vao = this._contourVAO - vao.bind() - - // Draw contour levels - for (i = 0; i < 3; ++i) { - shader.uniforms.permutation = PERMUTATIONS[i] - gl.lineWidth(this.contourWidth[i]) - - for (j = 0; j < this.contourLevels[i].length; ++j) { - if (!this._contourCounts[i][j]) { - continue - } - if (j === this.highlightLevel[i]) { - shader.uniforms.contourColor = this.highlightColor[i] - shader.uniforms.contourTint = this.highlightTint[i] - } else if (j === 0 || (j - 1) === this.highlightLevel[i]) { - shader.uniforms.contourColor = this.contourColor[i] - shader.uniforms.contourTint = this.contourTint[i] - } - shader.uniforms.height = this.contourLevels[i][j] - vao.draw(gl.LINES, this._contourCounts[i][j], this._contourOffsets[i][j]) - } - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - shader.uniforms.model = projectData.projections[i] - shader.uniforms.clipBounds = projectData.clipBounds[i] - for (j = 0; j < 3; ++j) { - if (!this.contourProject[i][j]) { - continue - } - shader.uniforms.permutation = PERMUTATIONS[j] - gl.lineWidth(this.contourWidth[j]) - for (var k = 0; k < this.contourLevels[j].length; ++k) { - if (k === this.highlightLevel[j]) { - shader.uniforms.contourColor = this.highlightColor[j] - shader.uniforms.contourTint = this.highlightTint[j] - } else if (k === 0 || (k - 1) === this.highlightLevel[j]) { - shader.uniforms.contourColor = this.contourColor[j] - shader.uniforms.contourTint = this.contourTint[j] - } - shader.uniforms.height = this.contourLevels[j][k] - vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) - } - } - } - - // Draw dynamic contours - vao = this._dynamicVAO - vao.bind() - - // Draw contour levels - for (i = 0; i < 3; ++i) { - if (this._dynamicCounts[i] === 0) { - continue - } - - shader.uniforms.model = uniforms.model - shader.uniforms.clipBounds = uniforms.clipBounds - shader.uniforms.permutation = PERMUTATIONS[i] - gl.lineWidth(this.dynamicWidth[i]) - - shader.uniforms.contourColor = this.dynamicColor[i] - shader.uniforms.contourTint = this.dynamicTint[i] - shader.uniforms.height = this.dynamicLevel[i] - vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) - - for (j = 0; j < 3; ++j) { - if (!this.contourProject[j][i]) { - continue - } - - shader.uniforms.model = projectData.projections[j] - shader.uniforms.clipBounds = projectData.clipBounds[j] - vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) - } - } - - vao.unbind() - } -} - -proto.draw = function (params) { - return drawCore.call(this, params, false) -} - -proto.drawTransparent = function (params) { - return drawCore.call(this, params, true) -} - -var PICK_UNIFORMS = { - model: IDENTITY, - view: IDENTITY, - projection: IDENTITY, - inverseModel: IDENTITY, - clipBounds: [[0, 0, 0], [0, 0, 0]], - height: 0.0, - shape: [0, 0], - pickId: 0, - lowerBound: [0, 0, 0], - upperBound: [0, 0, 0], - zOffset: 0.0, - permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], - lightPosition: [0, 0, 0], - eyePosition: [0, 0, 0] -} - -proto.drawPick = function (params) { - params = params || {} - var gl = this.gl - gl.disable(gl.CULL_FACE) - - var uniforms = PICK_UNIFORMS - uniforms.model = params.model || IDENTITY - uniforms.view = params.view || IDENTITY - uniforms.projection = params.projection || IDENTITY - uniforms.shape = this._field[2].shape - uniforms.pickId = this.pickId / 255.0 - uniforms.lowerBound = this.bounds[0] - uniforms.upperBound = this.bounds[1] - uniforms.permutation = DEFAULT_PERM - - for (var i = 0; i < 2; ++i) { - var clipClamped = uniforms.clipBounds[i] - for (var j = 0; j < 3; ++j) { - clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) - } - } - - var projectData = computeProjectionData(uniforms, this) - - if (projectData.showSurface) { - // Set up uniforms - this._pickShader.bind() - this._pickShader.uniforms = uniforms - - // Draw it - this._vao.bind() - this._vao.draw(gl.TRIANGLES, this._vertexCount) - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - if (!this.surfaceProject[i]) { - continue - } - this._pickShader.uniforms.model = projectData.projections[i] - this._pickShader.uniforms.clipBounds = projectData.clipBounds[i] - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - this._vao.unbind() - } - - if (projectData.showContour) { - var shader = this._contourPickShader - - shader.bind() - shader.uniforms = uniforms - - var vao = this._contourVAO - vao.bind() - - for (j = 0; j < 3; ++j) { - gl.lineWidth(this.contourWidth[j]) - shader.uniforms.permutation = PERMUTATIONS[j] - for (i = 0; i < this.contourLevels[j].length; ++i) { - if (this._contourCounts[j][i]) { - shader.uniforms.height = this.contourLevels[j][i] - vao.draw(gl.LINES, this._contourCounts[j][i], this._contourOffsets[j][i]) - } - } - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - shader.uniforms.model = projectData.projections[i] - shader.uniforms.clipBounds = projectData.clipBounds[i] - - for (j = 0; j < 3; ++j) { - if (!this.contourProject[i][j]) { - continue - } - - shader.uniforms.permutation = PERMUTATIONS[j] - gl.lineWidth(this.contourWidth[j]) - for (var k = 0; k < this.contourLevels[j].length; ++k) { - if (this._contourCounts[j][k]) { - shader.uniforms.height = this.contourLevels[j][k] - vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) - } - } - } - } - - vao.unbind() - } -} - -proto.pick = function (selection) { - if (!selection) { - return null - } - - if (selection.id !== this.pickId) { - return null - } - - var shape = this._field[2].shape - - var result = this._pickResult - - // Compute uv coordinate - var x = shape[0] * (selection.value[0] + (selection.value[2] >> 4) / 16.0) / 255.0 - var ix = Math.floor(x) - var fx = x - ix - - var y = shape[1] * (selection.value[1] + (selection.value[2] & 15) / 16.0) / 255.0 - var iy = Math.floor(y) - var fy = y - iy - - ix += 1 - iy += 1 - - // Compute xyz coordinate - var pos = result.position - pos[0] = pos[1] = pos[2] = 0 - for (var dx = 0; dx < 2; ++dx) { - var s = dx ? fx : 1.0 - fx - for (var dy = 0; dy < 2; ++dy) { - var t = dy ? fy : 1.0 - fy - - var r = ix + dx - var c = iy + dy - var w = s * t - - for (var i = 0; i < 3; ++i) { - pos[i] += this._field[i].get(r, c) * w - } - } - } - - // Find closest level - var levelIndex = this._pickResult.level - for (var j = 0; j < 3; ++j) { - levelIndex[j] = bsearch.le(this.contourLevels[j], pos[j]) - if (levelIndex[j] < 0) { - if (this.contourLevels[j].length > 0) { - levelIndex[j] = 0 - } - } else if (levelIndex[j] < this.contourLevels[j].length - 1) { - var a = this.contourLevels[j][levelIndex[j]] - var b = this.contourLevels[j][levelIndex[j] + 1] - if (Math.abs(a - pos[j]) > Math.abs(b - pos[j])) { - levelIndex[j] += 1 - } - } - } - - result.index[0] = fx < 0.5 ? ix : (ix + 1) - result.index[1] = fy < 0.5 ? iy : (iy + 1) - - result.uv[0] = x / shape[0] - result.uv[1] = y / shape[1] - - for (i = 0; i < 3; ++i) { - result.dataCoordinate[i] = this._field[i].get(result.index[0], result.index[1]) - } - - return result -} - -function padField (nfield, field) { - var shape = field.shape.slice() - var nshape = nfield.shape.slice() - - // Center - ops.assign(nfield.lo(1, 1).hi(shape[0], shape[1]), field) - - // Edges - ops.assign(nfield.lo(1).hi(shape[0], 1), - field.hi(shape[0], 1)) - ops.assign(nfield.lo(1, nshape[1] - 1).hi(shape[0], 1), - field.lo(0, shape[1] - 1).hi(shape[0], 1)) - ops.assign(nfield.lo(0, 1).hi(1, shape[1]), - field.hi(1)) - ops.assign(nfield.lo(nshape[0] - 1, 1).hi(1, shape[1]), - field.lo(shape[0] - 1)) - // Corners - nfield.set(0, 0, field.get(0, 0)) - nfield.set(0, nshape[1] - 1, field.get(0, shape[1] - 1)) - nfield.set(nshape[0] - 1, 0, field.get(shape[0] - 1, 0)) - nfield.set(nshape[0] - 1, nshape[1] - 1, field.get(shape[0] - 1, shape[1] - 1)) -} - -function handleArray (param, ctor) { - if (Array.isArray(param)) { - return [ ctor(param[0]), ctor(param[1]), ctor(param[2]) ] - } - return [ ctor(param), ctor(param), ctor(param) ] -} - -function toColor (x) { - if (Array.isArray(x)) { - if (x.length === 3) { - return [x[0], x[1], x[2], 1] - } - return [x[0], x[1], x[2], x[3]] - } - return [0, 0, 0, 1] -} - -function handleColor (param) { - if (Array.isArray(param)) { - if (Array.isArray(param)) { - return [ - toColor(param[0]), - toColor(param[1]), - toColor(param[2]) ] - } else { - var c = toColor(param) - return [ - c.slice(), - c.slice(), - c.slice() ] - } - } -} - -proto.update = function (params) { - params = params || {} - - this.dirty = true - - if ('contourWidth' in params) { - this.contourWidth = handleArray(params.contourWidth, Number) - } - if ('showContour' in params) { - this.showContour = handleArray(params.showContour, Boolean) - } - if ('showSurface' in params) { - this.showSurface = !!params.showSurface - } - if ('contourTint' in params) { - this.contourTint = handleArray(params.contourTint, Boolean) - } - if ('contourColor' in params) { - this.contourColor = handleColor(params.contourColor) - } - if ('contourProject' in params) { - this.contourProject = handleArray(params.contourProject, function (x) { - return handleArray(x, Boolean) - }) - } - if ('surfaceProject' in params) { - this.surfaceProject = params.surfaceProject - } - if ('dynamicColor' in params) { - this.dynamicColor = handleColor(params.dynamicColor) - } - if ('dynamicTint' in params) { - this.dynamicTint = handleArray(params.dynamicTint, Number) - } - if ('dynamicWidth' in params) { - this.dynamicWidth = handleArray(params.dynamicWidth, Number) - } - if ('opacity' in params) { - this.opacity = params.opacity - } - if ('colorBounds' in params) { - this.colorBounds = params.colorBounds - } - if ('vertexColor' in params) { - this.vertexColor = params.vertexColor ? 1 : 0; - } - - var field = params.field || (params.coords && params.coords[2]) || null - var levelsChanged = false - - if (!field) { - if (this._field[2].shape[0] || this._field[2].shape[2]) { - field = this._field[2].lo(1, 1).hi(this._field[2].shape[0] - 2, this._field[2].shape[1] - 2) - } else { - field = this._field[2].hi(0, 0) - } - } - - // Update field - if ('field' in params || 'coords' in params) { - var fsize = (field.shape[0] + 2) * (field.shape[1] + 2) - - // Resize if necessary - if (fsize > this._field[2].data.length) { - pool.freeFloat(this._field[2].data) - this._field[2].data = pool.mallocFloat(bits.nextPow2(fsize)) - } - - // Pad field - this._field[2] = ndarray(this._field[2].data, [field.shape[0] + 2, field.shape[1] + 2]) - padField(this._field[2], field) - - // Save shape of field - this.shape = field.shape.slice() - var shape = this.shape - - // Resize coordinate fields if necessary - for (var i = 0; i < 2; ++i) { - if (this._field[2].size > this._field[i].data.length) { - pool.freeFloat(this._field[i].data) - this._field[i].data = pool.mallocFloat(this._field[2].size) - } - this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2]) - } - - // Generate x/y coordinates - if (params.coords) { - var coords = params.coords - if (!Array.isArray(coords) || coords.length !== 3) { - throw new Error('gl-surface: invalid coordinates for x/y') - } - for (i = 0; i < 2; ++i) { - var coord = coords[i] - for (j = 0; j < 2; ++j) { - if (coord.shape[j] !== shape[j]) { - throw new Error('gl-surface: coords have incorrect shape') - } - } - padField(this._field[i], coord) - } - } else if (params.ticks) { - var ticks = params.ticks - if (!Array.isArray(ticks) || ticks.length !== 2) { - throw new Error('gl-surface: invalid ticks') - } - for (i = 0; i < 2; ++i) { - var tick = ticks[i] - if (Array.isArray(tick) || tick.length) { - tick = ndarray(tick) - } - if (tick.shape[0] !== shape[i]) { - throw new Error('gl-surface: invalid tick length') - } - // Make a copy view of the tick array - var tick2 = ndarray(tick.data, shape) - tick2.stride[i] = tick.stride[0] - tick2.stride[i ^ 1] = 0 - - // Fill in field array - padField(this._field[i], tick2) - } - } else { - for (i = 0; i < 2; ++i) { - var offset = [0, 0] - offset[i] = 1 - this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2], offset, 0) - } - this._field[0].set(0, 0, 0) - for (var j = 0; j < shape[0]; ++j) { - this._field[0].set(j + 1, 0, j) - } - this._field[0].set(shape[0] + 1, 0, shape[0] - 1) - this._field[1].set(0, 0, 0) - for (j = 0; j < shape[1]; ++j) { - this._field[1].set(0, j + 1, j) - } - this._field[1].set(0, shape[1] + 1, shape[1] - 1) - } - - // Save shape - var fields = this._field - - // Compute surface normals - var dfields = ndarray(pool.mallocFloat(fields[2].size * 3 * 2), [3, shape[0] + 2, shape[1] + 2, 2]) - for (i = 0; i < 3; ++i) { - gradient(dfields.pick(i), fields[i], 'mirror') - } - var normals = ndarray(pool.mallocFloat(fields[2].size * 3), [shape[0] + 2, shape[1] + 2, 3]) - for (i = 0; i < shape[0] + 2; ++i) { - for (j = 0; j < shape[1] + 2; ++j) { - var dxdu = dfields.get(0, i, j, 0) - var dxdv = dfields.get(0, i, j, 1) - var dydu = dfields.get(1, i, j, 0) - var dydv = dfields.get(1, i, j, 1) - var dzdu = dfields.get(2, i, j, 0) - var dzdv = dfields.get(2, i, j, 1) - - var nx = dydu * dzdv - dydv * dzdu - var ny = dzdu * dxdv - dzdv * dxdu - var nz = dxdu * dydv - dxdv * dydu - - var nl = Math.sqrt(nx * nx + ny * ny + nz * nz) - if (nl < 1e-8) { - nl = Math.max(Math.abs(nx), Math.abs(ny), Math.abs(nz)) - if (nl < 1e-8) { - nz = 1.0 - ny = nx = 0.0 - nl = 1.0 - } else { - nl = 1.0 / nl - } - } else { - nl = 1.0 / Math.sqrt(nl) - } - - normals.set(i, j, 0, nx * nl) - normals.set(i, j, 1, ny * nl) - normals.set(i, j, 2, nz * nl) - } - } - pool.free(dfields.data) - - // Initialize surface - var lo = [ Infinity, Infinity, Infinity ] - var hi = [ -Infinity, -Infinity, -Infinity ] - var lo_intensity = Infinity - var hi_intensity = -Infinity - var count = (shape[0] - 1) * (shape[1] - 1) * 6 - var tverts = pool.mallocFloat(bits.nextPow2(10 * count)) - var tptr = 0 - var vertexCount = 0 - for (i = 0; i < shape[0] - 1; ++i) { - j_loop: - for (j = 0; j < shape[1] - 1; ++j) { - // Test for NaNs - for (var dx = 0; dx < 2; ++dx) { - for (var dy = 0; dy < 2; ++dy) { - for (var k = 0; k < 3; ++k) { - var f = this._field[k].get(1 + i + dx, 1 + j + dy) - if (isNaN(f) || !isFinite(f)) { - continue j_loop - } - } - } - } - for (k = 0; k < 6; ++k) { - var r = i + QUAD[k][0] - var c = j + QUAD[k][1] - - var tx = this._field[0].get(r + 1, c + 1) - var ty = this._field[1].get(r + 1, c + 1) - f = this._field[2].get(r + 1, c + 1) - var vf = f - nx = normals.get(r + 1, c + 1, 0) - ny = normals.get(r + 1, c + 1, 1) - nz = normals.get(r + 1, c + 1, 2) - - if (params.intensity) { - vf = params.intensity.get(r, c) - } - - tverts[tptr++] = r - tverts[tptr++] = c - tverts[tptr++] = tx - tverts[tptr++] = ty - tverts[tptr++] = f - tverts[tptr++] = 0 - tverts[tptr++] = vf - tverts[tptr++] = nx - tverts[tptr++] = ny - tverts[tptr++] = nz - - lo[0] = Math.min(lo[0], tx) - lo[1] = Math.min(lo[1], ty) - lo[2] = Math.min(lo[2], f) - lo_intensity = Math.min(lo_intensity, vf) - - hi[0] = Math.max(hi[0], tx) - hi[1] = Math.max(hi[1], ty) - hi[2] = Math.max(hi[2], f) - hi_intensity = Math.max(hi_intensity, vf) - - vertexCount += 1 - } - } - } - - if (params.intensityBounds) { - lo_intensity = +params.intensityBounds[0] - hi_intensity = +params.intensityBounds[1] - } - - // Scale all vertex intensities - for (i = 6; i < tptr; i += 10) { - tverts[i] = (tverts[i] - lo_intensity) / (hi_intensity - lo_intensity) - } - - this._vertexCount = vertexCount - this._coordinateBuffer.update(tverts.subarray(0, tptr)) - pool.freeFloat(tverts) - pool.free(normals.data) - - // Update bounds - this.bounds = [lo, hi] - - // Save intensity - this.intensity = params.intensity || this._field[2] - - if(this.intensityBounds[0] !== lo_intensity || this.intensityBounds[1] !== hi_intensity) { - levelsChanged = true - } - - // Save intensity bound - this.intensityBounds = [lo_intensity, hi_intensity] - } - - // Update level crossings - if ('levels' in params) { - var levels = params.levels - if (!Array.isArray(levels[0])) { - levels = [ [], [], levels ] - } else { - levels = levels.slice() - } - for (i = 0; i < 3; ++i) { - levels[i] = levels[i].slice() - levels.sort(function (a, b) { - return a - b - }) - } - change_test: - for (i = 0; i < 3; ++i) { - if (levels[i].length !== this.contourLevels[i].length) { - levelsChanged = true - break - } - for (j = 0; j < levels[i].length; ++j) { - if (levels[i][j] !== this.contourLevels[i][j]) { - levelsChanged = true - break change_test - } - } - } - this.contourLevels = levels - } - - if (levelsChanged) { - fields = this._field - shape = this.shape - - // Update contour lines - var contourVerts = [] - - for (var dim = 0; dim < 3; ++dim) { - levels = this.contourLevels[dim] - var levelOffsets = [] - var levelCounts = [] - - var parts = [0, 0, 0] - - for (i = 0; i < levels.length; ++i) { - var graph = surfaceNets(this._field[dim], levels[i]) - levelOffsets.push((contourVerts.length / 5) | 0) - vertexCount = 0 - - edge_loop: - for (j = 0; j < graph.cells.length; ++j) { - var e = graph.cells[j] - for (k = 0; k < 2; ++k) { - var p = graph.positions[e[k]] - - var x = p[0] - var ix = Math.floor(x) | 0 - var fx = x - ix - - var y = p[1] - var iy = Math.floor(y) | 0 - var fy = y - iy - - var hole = false - dd_loop: - for (var dd = 0; dd < 3; ++dd) { - parts[dd] = 0.0 - var iu = (dim + dd + 1) % 3 - for (dx = 0; dx < 2; ++dx) { - var s = dx ? fx : 1.0 - fx - r = Math.min(Math.max(ix + dx, 0), shape[0]) | 0 - for (dy = 0; dy < 2; ++dy) { - var t = dy ? fy : 1.0 - fy - c = Math.min(Math.max(iy + dy, 0), shape[1]) | 0 - - if (dd < 2) { - f = this._field[iu].get(r, c) - } else { - f = (this.intensity.get(r, c) - this.intensityBounds[0]) / (this.intensityBounds[1] - this.intensityBounds[0]) - } - if (!isFinite(f) || isNaN(f)) { - hole = true - break dd_loop - } - - var w = s * t - parts[dd] += w * f - } - } - } - - if (!hole) { - contourVerts.push(parts[0], parts[1], p[0], p[1], parts[2]) - vertexCount += 1 - } else { - if (k > 0) { - // If we already added first edge, pop off verts - for (var l = 0; l < 5; ++l) { - contourVerts.pop() - } - vertexCount -= 1 - } - continue edge_loop - } - } - } - levelCounts.push(vertexCount) - } - - // Store results - this._contourOffsets[dim] = levelOffsets - this._contourCounts[dim] = levelCounts - } - - var floatBuffer = pool.mallocFloat(contourVerts.length) - for (i = 0; i < contourVerts.length; ++i) { - floatBuffer[i] = contourVerts[i] - } - this._contourBuffer.update(floatBuffer) - pool.freeFloat(floatBuffer) - } - - if (params.colormap) { - this._colorMap.setPixels(genColormap(params.colormap)) - } -} - -proto.dispose = function () { - this._shader.dispose() - this._vao.dispose() - this._coordinateBuffer.dispose() - this._colorMap.dispose() - this._contourBuffer.dispose() - this._contourVAO.dispose() - this._contourShader.dispose() - this._contourPickShader.dispose() - this._dynamicBuffer.dispose() - this._dynamicVAO.dispose() - for (var i = 0; i < 3; ++i) { - pool.freeFloat(this._field[i].data) - } -} - -proto.highlight = function (selection) { - if (!selection) { - this._dynamicCounts = [0, 0, 0] - this.dyanamicLevel = [NaN, NaN, NaN] - this.highlightLevel = [-1, -1, -1] - return - } - - for (var i = 0; i < 3; ++i) { - if (this.enableHighlight[i]) { - this.highlightLevel[i] = selection.level[i] - } else { - this.highlightLevel[i] = -1 - } - } - - var levels - if (this.snapToData) { - levels = selection.dataCoordinate - } else { - levels = selection.position - } - if ((!this.enableDynamic[0] || levels[0] === this.dynamicLevel[0]) && - (!this.enableDynamic[1] || levels[1] === this.dynamicLevel[1]) && - (!this.enableDynamic[2] || levels[2] === this.dynamicLevel[2])) { - return - } - - var vertexCount = 0 - var shape = this.shape - var scratchBuffer = pool.mallocFloat(12 * shape[0] * shape[1]) - - for (var d = 0; d < 3; ++d) { - if (!this.enableDynamic[d]) { - this.dynamicLevel[d] = NaN - this._dynamicCounts[d] = 0 - continue - } - - this.dynamicLevel[d] = levels[d] - - var u = (d + 1) % 3 - var v = (d + 2) % 3 - - var f = this._field[d] - var g = this._field[u] - var h = this._field[v] - var intensity = this.intensity - - var graph = surfaceNets(f, levels[d]) - var edges = graph.cells - var positions = graph.positions - - this._dynamicOffsets[d] = vertexCount - - for (i = 0; i < edges.length; ++i) { - var e = edges[i] - for (var j = 0; j < 2; ++j) { - var p = positions[e[j]] - - var x = +p[0] - var ix = x | 0 - var jx = Math.min(ix + 1, shape[0]) | 0 - var fx = x - ix - var hx = 1.0 - fx - - var y = +p[1] - var iy = y | 0 - var jy = Math.min(iy + 1, shape[1]) | 0 - var fy = y - iy - var hy = 1.0 - fy - - var w00 = hx * hy - var w01 = hx * fy - var w10 = fx * hy - var w11 = fx * fy - - var cu = w00 * g.get(ix, iy) + - w01 * g.get(ix, jy) + - w10 * g.get(jx, iy) + - w11 * g.get(jx, jy) - - var cv = w00 * h.get(ix, iy) + - w01 * h.get(ix, jy) + - w10 * h.get(jx, iy) + - w11 * h.get(jx, jy) - - if (isNaN(cu) || isNaN(cv)) { - if (j) { - vertexCount -= 1 - } - break - } - - scratchBuffer[2 * vertexCount + 0] = cu - scratchBuffer[2 * vertexCount + 1] = cv - - vertexCount += 1 - } - } - - this._dynamicCounts[d] = vertexCount - this._dynamicOffsets[d] - } - - this._dynamicBuffer.update(scratchBuffer.subarray(0, 2 * vertexCount)) - pool.freeFloat(scratchBuffer) -} - -function createSurfacePlot (params) { - var gl = params.gl - var shader = createShader(gl) - var pickShader = createPickShader(gl) - var contourShader = createContourShader(gl) - var contourPickShader = createPickContourShader(gl) - - var coordinateBuffer = createBuffer(gl) - var vao = createVAO(gl, [ - { buffer: coordinateBuffer, - size: 4, - stride: SURFACE_VERTEX_SIZE, - offset: 0 - }, - { buffer: coordinateBuffer, - size: 3, - stride: SURFACE_VERTEX_SIZE, - offset: 16 - }, - { - buffer: coordinateBuffer, - size: 3, - stride: SURFACE_VERTEX_SIZE, - offset: 28 - } - ]) - - var contourBuffer = createBuffer(gl) - var contourVAO = createVAO(gl, [ - { - buffer: contourBuffer, - size: 4, - stride: 20, - offset: 0 - }, - { - buffer: contourBuffer, - size: 1, - stride: 20, - offset: 16 - } - ]) - - var dynamicBuffer = createBuffer(gl) - var dynamicVAO = createVAO(gl, [ - { - buffer: dynamicBuffer, - size: 2, - type: gl.FLOAT - }]) - - var cmap = createTexture(gl, 1, N_COLORS, gl.RGBA, gl.UNSIGNED_BYTE) - cmap.minFilter = gl.LINEAR - cmap.magFilter = gl.LINEAR - - var surface = new SurfacePlot( - gl, - [0, 0], - [[0, 0, 0], [0, 0, 0]], - shader, - pickShader, - coordinateBuffer, - vao, - cmap, - contourShader, - contourPickShader, - contourBuffer, - contourVAO, - dynamicBuffer, - dynamicVAO - ) - - var nparams = { - levels: [[], [], []] - } - for (var id in params) { - nparams[id] = params[id] - } - nparams.colormap = nparams.colormap || 'jet' - - surface.update(nparams) - - return surface -} +'use strict' + +module.exports = createSurfacePlot + +var bits = require('bit-twiddle') +var createBuffer = require('gl-buffer') +var createVAO = require('gl-vao') +var createTexture = require('gl-texture2d') +var pool = require('typedarray-pool') +var colormap = require('colormap') +var ops = require('ndarray-ops') +var pack = require('ndarray-pack') +var ndarray = require('ndarray') +var surfaceNets = require('surface-nets') +var multiply = require('gl-mat4/multiply') +var invert = require('gl-mat4/invert') +var bsearch = require('binary-search-bounds') +var gradient = require('ndarray-gradient') +var shaders = require('./lib/shaders') + +var createShader = shaders.createShader +var createContourShader = shaders.createContourShader +var createPickShader = shaders.createPickShader +var createPickContourShader = shaders.createPickContourShader + +var SURFACE_VERTEX_SIZE = 4 * (4 + 3 + 3) + +var IDENTITY = [ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 ] + +var QUAD = [ + [0, 0], + [0, 1], + [1, 0], + [1, 1], + [1, 0], + [0, 1] +] + +var PERMUTATIONS = [ + [0, 0, 0, 0, 0, 0, 0, 0, 0], + [0, 0, 0, 0, 0, 0, 0, 0, 0], + [0, 0, 0, 0, 0, 0, 0, 0, 0] +] + +;(function () { + for (var i = 0; i < 3; ++i) { + var p = PERMUTATIONS[i] + var u = (i + 1) % 3 + var v = (i + 2) % 3 + p[u + 0] = 1 + p[v + 3] = 1 + p[i + 6] = 1 + } +})() + +function SurfacePickResult (position, index, uv, level, dataCoordinate) { + this.position = position + this.index = index + this.uv = uv + this.level = level + this.dataCoordinate = dataCoordinate +} + +var N_COLORS = 256 + +function genColormap (name) { + var x = pack([colormap({ + colormap: name, + nshades: N_COLORS, + format: 'rgba' + }).map(function (c) { + return [c[0], c[1], c[2], 255 * c[3]] + })]) + ops.divseq(x, 255.0) + return x +} + +function SurfacePlot ( + gl, + shape, + bounds, + shader, + pickShader, + coordinates, + vao, + colorMap, + contourShader, + contourPickShader, + contourBuffer, + contourVAO, + dynamicBuffer, + dynamicVAO) { + this.gl = gl + this.shape = shape + this.bounds = bounds + this.intensityBounds = []; + + this._shader = shader + this._pickShader = pickShader + this._coordinateBuffer = coordinates + this._vao = vao + this._colorMap = colorMap + + this._contourShader = contourShader + this._contourPickShader = contourPickShader + this._contourBuffer = contourBuffer + this._contourVAO = contourVAO + this._contourOffsets = [[], [], []] + this._contourCounts = [[], [], []] + this._vertexCount = 0 + + this._pickResult = new SurfacePickResult([0, 0, 0], [0, 0], [0, 0], [0, 0, 0], [0, 0, 0]) + + this._dynamicBuffer = dynamicBuffer + this._dynamicVAO = dynamicVAO + this._dynamicOffsets = [0, 0, 0] + this._dynamicCounts = [0, 0, 0] + + this.contourWidth = [ 1, 1, 1 ] + this.contourLevels = [[1], [1], [1]] + this.contourTint = [0, 0, 0] + this.contourColor = [[0.5, 0.5, 0.5, 1], [0.5, 0.5, 0.5, 1], [0.5, 0.5, 0.5, 1]] + + this.showContour = true + this.showSurface = true + + this.enableHighlight = [true, true, true] + this.highlightColor = [[0, 0, 0, 1], [0, 0, 0, 1], [0, 0, 0, 1]] + this.highlightTint = [ 1, 1, 1 ] + this.highlightLevel = [-1, -1, -1] + + // Dynamic contour options + this.enableDynamic = [ true, true, true ] + this.dynamicLevel = [ NaN, NaN, NaN ] + this.dynamicColor = [ [0, 0, 0, 1], [0, 0, 0, 1], [0, 0, 0, 1] ] + this.dynamicTint = [ 1, 1, 1 ] + this.dynamicWidth = [ 1, 1, 1 ] + + this.axesBounds = [[Infinity, Infinity, Infinity], [-Infinity, -Infinity, -Infinity]] + this.surfaceProject = [ false, false, false ] + this.contourProject = [[ false, false, false ], + [ false, false, false ], + [ false, false, false ]] + + this.colorBounds = [ false, false ] + + // Store xyz fields, need this for picking + this._field = [ + ndarray(pool.mallocFloat(1024), [0, 0]), + ndarray(pool.mallocFloat(1024), [0, 0]), + ndarray(pool.mallocFloat(1024), [0, 0]) ] + + this.pickId = 1 + this.clipBounds = [[-Infinity, -Infinity, -Infinity], [Infinity, Infinity, Infinity]] + + this.snapToData = false + + this.opacity = 1.0 + + this.lightPosition = [10, 10000, 0] + this.ambientLight = 0.8 + this.diffuseLight = 0.8 + this.specularLight = 2.0 + this.roughness = 0.5 + this.fresnel = 1.5 + this.vertexColor = 0; + + this.dirty = true +} + +var proto = SurfacePlot.prototype + +proto.isTransparent = function () { + return this.opacity < 1 +} + +proto.isOpaque = function () { + if (this.opacity >= 1) { + return true + } + for (var i = 0; i < 3; ++i) { + if (this._contourCounts[i].length > 0 || this._dynamicCounts[i] > 0) { + return true + } + } + return false +} + +proto.pickSlots = 1 + +proto.setPickBase = function (id) { + this.pickId = id +} + +var ZERO_VEC = [0, 0, 0] + +var PROJECT_DATA = { + showSurface: false, + showContour: false, + projections: [IDENTITY.slice(), IDENTITY.slice(), IDENTITY.slice()], + clipBounds: [ + [[0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0]]] +} + +function computeProjectionData (camera, obj) { + var i, j, k + + // Compute cube properties + var cubeAxis = (obj.axes && obj.axes.lastCubeProps.axis) || ZERO_VEC + + var showSurface = obj.showSurface + var showContour = obj.showContour + + for (i = 0; i < 3; ++i) { + showSurface = showSurface || obj.surfaceProject[i] + for (j = 0; j < 3; ++j) { + showContour = showContour || obj.contourProject[i][j] + } + } + + for (i = 0; i < 3; ++i) { + // Construct projection onto axis + var axisSquish = PROJECT_DATA.projections[i] + for (j = 0; j < 16; ++j) { + axisSquish[j] = 0 + } + for (j = 0; j < 4; ++j) { + axisSquish[5 * j] = 1 + } + axisSquish[5 * i] = 0 + axisSquish[12 + i] = obj.axesBounds[+(cubeAxis[i] > 0)][i] + multiply(axisSquish, camera.model, axisSquish) + + var nclipBounds = PROJECT_DATA.clipBounds[i] + for (k = 0; k < 2; ++k) { + for (j = 0; j < 3; ++j) { + nclipBounds[k][j] = camera.clipBounds[k][j] + } + } + nclipBounds[0][i] = -1e8 + nclipBounds[1][i] = 1e8 + } + + PROJECT_DATA.showSurface = showSurface + PROJECT_DATA.showContour = showContour + + return PROJECT_DATA +} + +var UNIFORMS = { + model: IDENTITY, + view: IDENTITY, + projection: IDENTITY, + inverseModel: IDENTITY.slice(), + lowerBound: [0, 0, 0], + upperBound: [0, 0, 0], + colorMap: 0, + clipBounds: [[0, 0, 0], [0, 0, 0]], + height: 0.0, + contourTint: 0, + contourColor: [0, 0, 0, 1], + permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], + zOffset: -1e-4, + kambient: 1, + kdiffuse: 1, + kspecular: 1, + lightPosition: [1000, 1000, 1000], + eyePosition: [0, 0, 0], + roughness: 1, + fresnel: 1, + opacity: 1, + vertexColor: 0 +} + +var MATRIX_INVERSE = IDENTITY.slice() +var DEFAULT_PERM = [1, 0, 0, 0, 1, 0, 0, 0, 1] + +function drawCore (params, transparent) { + params = params || {} + var gl = this.gl + + gl.disable(gl.CULL_FACE) + + this._colorMap.bind(0) + + var uniforms = UNIFORMS + uniforms.model = params.model || IDENTITY + uniforms.view = params.view || IDENTITY + uniforms.projection = params.projection || IDENTITY + uniforms.lowerBound = [this.bounds[0][0], this.bounds[0][1], this.colorBounds[0] || this.bounds[0][2]] + uniforms.upperBound = [this.bounds[1][0], this.bounds[1][1], this.colorBounds[1] || this.bounds[1][2]] + uniforms.contourColor = this.contourColor[0] + + uniforms.inverseModel = invert(uniforms.inverseModel, uniforms.model) + + for (var i = 0; i < 2; ++i) { + var clipClamped = uniforms.clipBounds[i] + for (var j = 0; j < 3; ++j) { + clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) + } + } + + uniforms.kambient = this.ambientLight + uniforms.kdiffuse = this.diffuseLight + uniforms.kspecular = this.specularLight + + uniforms.roughness = this.roughness + uniforms.fresnel = this.fresnel + uniforms.opacity = this.opacity + + uniforms.height = 0.0 + uniforms.permutation = DEFAULT_PERM + + uniforms.vertexColor = this.vertexColor + + // Compute camera matrix inverse + var invCameraMatrix = MATRIX_INVERSE + multiply(invCameraMatrix, uniforms.view, uniforms.model) + multiply(invCameraMatrix, uniforms.projection, invCameraMatrix) + invert(invCameraMatrix, invCameraMatrix) + + for (i = 0; i < 3; ++i) { + uniforms.eyePosition[i] = invCameraMatrix[12 + i] / invCameraMatrix[15] + } + + var w = invCameraMatrix[15] + for (i = 0; i < 3; ++i) { + w += this.lightPosition[i] * invCameraMatrix[4 * i + 3] + } + for (i = 0; i < 3; ++i) { + var s = invCameraMatrix[12 + i] + for (j = 0; j < 3; ++j) { + s += invCameraMatrix[4 * j + i] * this.lightPosition[j] + } + uniforms.lightPosition[i] = s / w + } + + var projectData = computeProjectionData(uniforms, this) + + if (projectData.showSurface && (transparent === (this.opacity < 1))) { + // Set up uniforms + this._shader.bind() + this._shader.uniforms = uniforms + + // Draw it + this._vao.bind() + + if (this.showSurface && this._vertexCount) { + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + if (!this.surfaceProject[i] || !this.vertexCount) { + continue + } + this._shader.uniforms.model = projectData.projections[i] + this._shader.uniforms.clipBounds = projectData.clipBounds[i] + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + this._vao.unbind() + } + + if (projectData.showContour && !transparent) { + var shader = this._contourShader + + // Don't apply lighting to contours + uniforms.kambient = 1.0 + uniforms.kdiffuse = 0.0 + uniforms.kspecular = 0.0 + uniforms.opacity = 1.0 + + shader.bind() + shader.uniforms = uniforms + + // Draw contour lines + var vao = this._contourVAO + vao.bind() + + // Draw contour levels + for (i = 0; i < 3; ++i) { + shader.uniforms.permutation = PERMUTATIONS[i] + gl.lineWidth(this.contourWidth[i]) + + for (j = 0; j < this.contourLevels[i].length; ++j) { + if (!this._contourCounts[i][j]) { + continue + } + if (j === this.highlightLevel[i]) { + shader.uniforms.contourColor = this.highlightColor[i] + shader.uniforms.contourTint = this.highlightTint[i] + } else if (j === 0 || (j - 1) === this.highlightLevel[i]) { + shader.uniforms.contourColor = this.contourColor[i] + shader.uniforms.contourTint = this.contourTint[i] + } + shader.uniforms.height = this.contourLevels[i][j] + vao.draw(gl.LINES, this._contourCounts[i][j], this._contourOffsets[i][j]) + } + } + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + shader.uniforms.model = projectData.projections[i] + shader.uniforms.clipBounds = projectData.clipBounds[i] + for (j = 0; j < 3; ++j) { + if (!this.contourProject[i][j]) { + continue + } + shader.uniforms.permutation = PERMUTATIONS[j] + gl.lineWidth(this.contourWidth[j]) + for (var k = 0; k < this.contourLevels[j].length; ++k) { + if (k === this.highlightLevel[j]) { + shader.uniforms.contourColor = this.highlightColor[j] + shader.uniforms.contourTint = this.highlightTint[j] + } else if (k === 0 || (k - 1) === this.highlightLevel[j]) { + shader.uniforms.contourColor = this.contourColor[j] + shader.uniforms.contourTint = this.contourTint[j] + } + shader.uniforms.height = this.contourLevels[j][k] + vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) + } + } + } + + // Draw dynamic contours + vao = this._dynamicVAO + vao.bind() + + // Draw contour levels + for (i = 0; i < 3; ++i) { + if (this._dynamicCounts[i] === 0) { + continue + } + + shader.uniforms.model = uniforms.model + shader.uniforms.clipBounds = uniforms.clipBounds + shader.uniforms.permutation = PERMUTATIONS[i] + gl.lineWidth(this.dynamicWidth[i]) + + shader.uniforms.contourColor = this.dynamicColor[i] + shader.uniforms.contourTint = this.dynamicTint[i] + shader.uniforms.height = this.dynamicLevel[i] + vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) + + for (j = 0; j < 3; ++j) { + if (!this.contourProject[j][i]) { + continue + } + + shader.uniforms.model = projectData.projections[j] + shader.uniforms.clipBounds = projectData.clipBounds[j] + vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) + } + } + + vao.unbind() + } +} + +proto.draw = function (params) { + return drawCore.call(this, params, false) +} + +proto.drawTransparent = function (params) { + return drawCore.call(this, params, true) +} + +var PICK_UNIFORMS = { + model: IDENTITY, + view: IDENTITY, + projection: IDENTITY, + inverseModel: IDENTITY, + clipBounds: [[0, 0, 0], [0, 0, 0]], + height: 0.0, + shape: [0, 0], + pickId: 0, + lowerBound: [0, 0, 0], + upperBound: [0, 0, 0], + zOffset: 0.0, + permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], + lightPosition: [0, 0, 0], + eyePosition: [0, 0, 0] +} + +proto.drawPick = function (params) { + params = params || {} + var gl = this.gl + gl.disable(gl.CULL_FACE) + + var uniforms = PICK_UNIFORMS + uniforms.model = params.model || IDENTITY + uniforms.view = params.view || IDENTITY + uniforms.projection = params.projection || IDENTITY + uniforms.shape = this._field[2].shape + uniforms.pickId = this.pickId / 255.0 + uniforms.lowerBound = this.bounds[0] + uniforms.upperBound = this.bounds[1] + uniforms.permutation = DEFAULT_PERM + + for (var i = 0; i < 2; ++i) { + var clipClamped = uniforms.clipBounds[i] + for (var j = 0; j < 3; ++j) { + clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) + } + } + + var projectData = computeProjectionData(uniforms, this) + + if (projectData.showSurface) { + // Set up uniforms + this._pickShader.bind() + this._pickShader.uniforms = uniforms + + // Draw it + this._vao.bind() + this._vao.draw(gl.TRIANGLES, this._vertexCount) + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + if (!this.surfaceProject[i]) { + continue + } + this._pickShader.uniforms.model = projectData.projections[i] + this._pickShader.uniforms.clipBounds = projectData.clipBounds[i] + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + this._vao.unbind() + } + + if (projectData.showContour) { + var shader = this._contourPickShader + + shader.bind() + shader.uniforms = uniforms + + var vao = this._contourVAO + vao.bind() + + for (j = 0; j < 3; ++j) { + gl.lineWidth(this.contourWidth[j]) + shader.uniforms.permutation = PERMUTATIONS[j] + for (i = 0; i < this.contourLevels[j].length; ++i) { + if (this._contourCounts[j][i]) { + shader.uniforms.height = this.contourLevels[j][i] + vao.draw(gl.LINES, this._contourCounts[j][i], this._contourOffsets[j][i]) + } + } + } + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + shader.uniforms.model = projectData.projections[i] + shader.uniforms.clipBounds = projectData.clipBounds[i] + + for (j = 0; j < 3; ++j) { + if (!this.contourProject[i][j]) { + continue + } + + shader.uniforms.permutation = PERMUTATIONS[j] + gl.lineWidth(this.contourWidth[j]) + for (var k = 0; k < this.contourLevels[j].length; ++k) { + if (this._contourCounts[j][k]) { + shader.uniforms.height = this.contourLevels[j][k] + vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) + } + } + } + } + + vao.unbind() + } +} + +proto.pick = function (selection) { + if (!selection) { + return null + } + + if (selection.id !== this.pickId) { + return null + } + + var shape = this._field[2].shape + + var result = this._pickResult + + // Compute uv coordinate + var x = shape[0] * (selection.value[0] + (selection.value[2] >> 4) / 16.0) / 255.0 + var ix = Math.floor(x) + var fx = x - ix + + var y = shape[1] * (selection.value[1] + (selection.value[2] & 15) / 16.0) / 255.0 + var iy = Math.floor(y) + var fy = y - iy + + ix += 1 + iy += 1 + + // Compute xyz coordinate + var pos = result.position + pos[0] = pos[1] = pos[2] = 0 + for (var dx = 0; dx < 2; ++dx) { + var s = dx ? fx : 1.0 - fx + for (var dy = 0; dy < 2; ++dy) { + var t = dy ? fy : 1.0 - fy + + var r = ix + dx + var c = iy + dy + var w = s * t + + for (var i = 0; i < 3; ++i) { + pos[i] += this._field[i].get(r, c) * w + } + } + } + + // Find closest level + var levelIndex = this._pickResult.level + for (var j = 0; j < 3; ++j) { + levelIndex[j] = bsearch.le(this.contourLevels[j], pos[j]) + if (levelIndex[j] < 0) { + if (this.contourLevels[j].length > 0) { + levelIndex[j] = 0 + } + } else if (levelIndex[j] < this.contourLevels[j].length - 1) { + var a = this.contourLevels[j][levelIndex[j]] + var b = this.contourLevels[j][levelIndex[j] + 1] + if (Math.abs(a - pos[j]) > Math.abs(b - pos[j])) { + levelIndex[j] += 1 + } + } + } + + result.index[0] = fx < 0.5 ? ix : (ix + 1) + result.index[1] = fy < 0.5 ? iy : (iy + 1) + + result.uv[0] = x / shape[0] + result.uv[1] = y / shape[1] + + for (i = 0; i < 3; ++i) { + result.dataCoordinate[i] = this._field[i].get(result.index[0], result.index[1]) + } + + return result +} + +function padField (nfield, field) { + var shape = field.shape.slice() + var nshape = nfield.shape.slice() + + // Center + ops.assign(nfield.lo(1, 1).hi(shape[0], shape[1]), field) + + // Edges + ops.assign(nfield.lo(1).hi(shape[0], 1), + field.hi(shape[0], 1)) + ops.assign(nfield.lo(1, nshape[1] - 1).hi(shape[0], 1), + field.lo(0, shape[1] - 1).hi(shape[0], 1)) + ops.assign(nfield.lo(0, 1).hi(1, shape[1]), + field.hi(1)) + ops.assign(nfield.lo(nshape[0] - 1, 1).hi(1, shape[1]), + field.lo(shape[0] - 1)) + // Corners + nfield.set(0, 0, field.get(0, 0)) + nfield.set(0, nshape[1] - 1, field.get(0, shape[1] - 1)) + nfield.set(nshape[0] - 1, 0, field.get(shape[0] - 1, 0)) + nfield.set(nshape[0] - 1, nshape[1] - 1, field.get(shape[0] - 1, shape[1] - 1)) +} + +function handleArray (param, ctor) { + if (Array.isArray(param)) { + return [ ctor(param[0]), ctor(param[1]), ctor(param[2]) ] + } + return [ ctor(param), ctor(param), ctor(param) ] +} + +function toColor (x) { + if (Array.isArray(x)) { + if (x.length === 3) { + return [x[0], x[1], x[2], 1] + } + return [x[0], x[1], x[2], x[3]] + } + return [0, 0, 0, 1] +} + +function handleColor (param) { + if (Array.isArray(param)) { + if (Array.isArray(param)) { + return [ + toColor(param[0]), + toColor(param[1]), + toColor(param[2]) ] + } else { + var c = toColor(param) + return [ + c.slice(), + c.slice(), + c.slice() ] + } + } +} + +proto.update = function (params) { + params = params || {} + + this.dirty = true + + if ('contourWidth' in params) { + this.contourWidth = handleArray(params.contourWidth, Number) + } + if ('showContour' in params) { + this.showContour = handleArray(params.showContour, Boolean) + } + if ('showSurface' in params) { + this.showSurface = !!params.showSurface + } + if ('contourTint' in params) { + this.contourTint = handleArray(params.contourTint, Boolean) + } + if ('contourColor' in params) { + this.contourColor = handleColor(params.contourColor) + } + if ('contourProject' in params) { + this.contourProject = handleArray(params.contourProject, function (x) { + return handleArray(x, Boolean) + }) + } + if ('surfaceProject' in params) { + this.surfaceProject = params.surfaceProject + } + if ('dynamicColor' in params) { + this.dynamicColor = handleColor(params.dynamicColor) + } + if ('dynamicTint' in params) { + this.dynamicTint = handleArray(params.dynamicTint, Number) + } + if ('dynamicWidth' in params) { + this.dynamicWidth = handleArray(params.dynamicWidth, Number) + } + if ('opacity' in params) { + this.opacity = params.opacity + } + if ('colorBounds' in params) { + this.colorBounds = params.colorBounds + } + if ('vertexColor' in params) { + this.vertexColor = params.vertexColor ? 1 : 0; + } + + var field = params.field || (params.coords && params.coords[2]) || null + var levelsChanged = false + + if (!field) { + if (this._field[2].shape[0] || this._field[2].shape[2]) { + field = this._field[2].lo(1, 1).hi(this._field[2].shape[0] - 2, this._field[2].shape[1] - 2) + } else { + field = this._field[2].hi(0, 0) + } + } + + // Update field + if ('field' in params || 'coords' in params) { + var fsize = (field.shape[0] + 2) * (field.shape[1] + 2) + + // Resize if necessary + if (fsize > this._field[2].data.length) { + pool.freeFloat(this._field[2].data) + this._field[2].data = pool.mallocFloat(bits.nextPow2(fsize)) + } + + // Pad field + this._field[2] = ndarray(this._field[2].data, [field.shape[0] + 2, field.shape[1] + 2]) + padField(this._field[2], field) + + // Save shape of field + this.shape = field.shape.slice() + var shape = this.shape + + // Resize coordinate fields if necessary + for (var i = 0; i < 2; ++i) { + if (this._field[2].size > this._field[i].data.length) { + pool.freeFloat(this._field[i].data) + this._field[i].data = pool.mallocFloat(this._field[2].size) + } + this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2]) + } + + // Generate x/y coordinates + if (params.coords) { + var coords = params.coords + if (!Array.isArray(coords) || coords.length !== 3) { + throw new Error('gl-surface: invalid coordinates for x/y') + } + for (i = 0; i < 2; ++i) { + var coord = coords[i] + for (j = 0; j < 2; ++j) { + if (coord.shape[j] !== shape[j]) { + throw new Error('gl-surface: coords have incorrect shape') + } + } + padField(this._field[i], coord) + } + } else if (params.ticks) { + var ticks = params.ticks + if (!Array.isArray(ticks) || ticks.length !== 2) { + throw new Error('gl-surface: invalid ticks') + } + for (i = 0; i < 2; ++i) { + var tick = ticks[i] + if (Array.isArray(tick) || tick.length) { + tick = ndarray(tick) + } + if (tick.shape[0] !== shape[i]) { + throw new Error('gl-surface: invalid tick length') + } + // Make a copy view of the tick array + var tick2 = ndarray(tick.data, shape) + tick2.stride[i] = tick.stride[0] + tick2.stride[i ^ 1] = 0 + + // Fill in field array + padField(this._field[i], tick2) + } + } else { + for (i = 0; i < 2; ++i) { + var offset = [0, 0] + offset[i] = 1 + this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2], offset, 0) + } + this._field[0].set(0, 0, 0) + for (var j = 0; j < shape[0]; ++j) { + this._field[0].set(j + 1, 0, j) + } + this._field[0].set(shape[0] + 1, 0, shape[0] - 1) + this._field[1].set(0, 0, 0) + for (j = 0; j < shape[1]; ++j) { + this._field[1].set(0, j + 1, j) + } + this._field[1].set(0, shape[1] + 1, shape[1] - 1) + } + + // Save shape + var fields = this._field + + // Compute surface normals + var dfields = ndarray(pool.mallocFloat(fields[2].size * 3 * 2), [3, shape[0] + 2, shape[1] + 2, 2]) + for (i = 0; i < 3; ++i) { + gradient(dfields.pick(i), fields[i], 'mirror') + } + var normals = ndarray(pool.mallocFloat(fields[2].size * 3), [shape[0] + 2, shape[1] + 2, 3]) + for (i = 0; i < shape[0] + 2; ++i) { + for (j = 0; j < shape[1] + 2; ++j) { + var dxdu = dfields.get(0, i, j, 0) + var dxdv = dfields.get(0, i, j, 1) + var dydu = dfields.get(1, i, j, 0) + var dydv = dfields.get(1, i, j, 1) + var dzdu = dfields.get(2, i, j, 0) + var dzdv = dfields.get(2, i, j, 1) + + var nx = dydu * dzdv - dydv * dzdu + var ny = dzdu * dxdv - dzdv * dxdu + var nz = dxdu * dydv - dxdv * dydu + + var nl = Math.sqrt(nx * nx + ny * ny + nz * nz) + if (nl < 1e-8) { + nl = Math.max(Math.abs(nx), Math.abs(ny), Math.abs(nz)) + if (nl < 1e-8) { + nz = 1.0 + ny = nx = 0.0 + nl = 1.0 + } else { + nl = 1.0 / nl + } + } else { + nl = 1.0 / Math.sqrt(nl) + } + + normals.set(i, j, 0, nx * nl) + normals.set(i, j, 1, ny * nl) + normals.set(i, j, 2, nz * nl) + } + } + pool.free(dfields.data) + + // Initialize surface + var lo = [ Infinity, Infinity, Infinity ] + var hi = [ -Infinity, -Infinity, -Infinity ] + var lo_intensity = Infinity + var hi_intensity = -Infinity + var count = (shape[0] - 1) * (shape[1] - 1) * 6 + var tverts = pool.mallocFloat(bits.nextPow2(10 * count)) + var tptr = 0 + var vertexCount = 0 + for (i = 0; i < shape[0] - 1; ++i) { + j_loop: + for (j = 0; j < shape[1] - 1; ++j) { + // Test for NaNs + for (var dx = 0; dx < 2; ++dx) { + for (var dy = 0; dy < 2; ++dy) { + for (var k = 0; k < 3; ++k) { + var f = this._field[k].get(1 + i + dx, 1 + j + dy) + if (isNaN(f) || !isFinite(f)) { + continue j_loop + } + } + } + } + for (k = 0; k < 6; ++k) { + var r = i + QUAD[k][0] + var c = j + QUAD[k][1] + + var tx = this._field[0].get(r + 1, c + 1) + var ty = this._field[1].get(r + 1, c + 1) + f = this._field[2].get(r + 1, c + 1) + var vf = f + nx = normals.get(r + 1, c + 1, 0) + ny = normals.get(r + 1, c + 1, 1) + nz = normals.get(r + 1, c + 1, 2) + + if (params.intensity) { + vf = params.intensity.get(r, c) + } + + tverts[tptr++] = r + tverts[tptr++] = c + tverts[tptr++] = tx + tverts[tptr++] = ty + tverts[tptr++] = f + tverts[tptr++] = 0 + tverts[tptr++] = vf + tverts[tptr++] = nx + tverts[tptr++] = ny + tverts[tptr++] = nz + + lo[0] = Math.min(lo[0], tx) + lo[1] = Math.min(lo[1], ty) + lo[2] = Math.min(lo[2], f) + lo_intensity = Math.min(lo_intensity, vf) + + hi[0] = Math.max(hi[0], tx) + hi[1] = Math.max(hi[1], ty) + hi[2] = Math.max(hi[2], f) + hi_intensity = Math.max(hi_intensity, vf) + + vertexCount += 1 + } + } + } + + if (params.intensityBounds) { + lo_intensity = +params.intensityBounds[0] + hi_intensity = +params.intensityBounds[1] + } + + // Scale all vertex intensities + for (i = 6; i < tptr; i += 10) { + tverts[i] = (tverts[i] - lo_intensity) / (hi_intensity - lo_intensity) + } + + this._vertexCount = vertexCount + this._coordinateBuffer.update(tverts.subarray(0, tptr)) + pool.freeFloat(tverts) + pool.free(normals.data) + + // Update bounds + this.bounds = [lo, hi] + + // Save intensity + this.intensity = params.intensity || this._field[2] + + if(this.intensityBounds[0] !== lo_intensity || this.intensityBounds[1] !== hi_intensity) { + levelsChanged = true + } + + // Save intensity bound + this.intensityBounds = [lo_intensity, hi_intensity] + } + + // Update level crossings + if ('levels' in params) { + var levels = params.levels + if (!Array.isArray(levels[0])) { + levels = [ [], [], levels ] + } else { + levels = levels.slice() + } + for (i = 0; i < 3; ++i) { + levels[i] = levels[i].slice() + levels.sort(function (a, b) { + return a - b + }) + } + change_test: + for (i = 0; i < 3; ++i) { + if (levels[i].length !== this.contourLevels[i].length) { + levelsChanged = true + break + } + for (j = 0; j < levels[i].length; ++j) { + if (levels[i][j] !== this.contourLevels[i][j]) { + levelsChanged = true + break change_test + } + } + } + this.contourLevels = levels + } + + if (levelsChanged) { + fields = this._field + shape = this.shape + + // Update contour lines + var contourVerts = [] + + for (var dim = 0; dim < 3; ++dim) { + levels = this.contourLevels[dim] + var levelOffsets = [] + var levelCounts = [] + + var parts = [0, 0, 0] + + for (i = 0; i < levels.length; ++i) { + var graph = surfaceNets(this._field[dim], levels[i]) + levelOffsets.push((contourVerts.length / 5) | 0) + vertexCount = 0 + + edge_loop: + for (j = 0; j < graph.cells.length; ++j) { + var e = graph.cells[j] + for (k = 0; k < 2; ++k) { + var p = graph.positions[e[k]] + + var x = p[0] + var ix = Math.floor(x) | 0 + var fx = x - ix + + var y = p[1] + var iy = Math.floor(y) | 0 + var fy = y - iy + + var hole = false + dd_loop: + for (var dd = 0; dd < 3; ++dd) { + parts[dd] = 0.0 + var iu = (dim + dd + 1) % 3 + for (dx = 0; dx < 2; ++dx) { + var s = dx ? fx : 1.0 - fx + r = Math.min(Math.max(ix + dx, 0), shape[0]) | 0 + for (dy = 0; dy < 2; ++dy) { + var t = dy ? fy : 1.0 - fy + c = Math.min(Math.max(iy + dy, 0), shape[1]) | 0 + + if (dd < 2) { + f = this._field[iu].get(r, c) + } else { + f = (this.intensity.get(r, c) - this.intensityBounds[0]) / (this.intensityBounds[1] - this.intensityBounds[0]) + } + if (!isFinite(f) || isNaN(f)) { + hole = true + break dd_loop + } + + var w = s * t + parts[dd] += w * f + } + } + } + + if (!hole) { + contourVerts.push(parts[0], parts[1], p[0], p[1], parts[2]) + vertexCount += 1 + } else { + if (k > 0) { + // If we already added first edge, pop off verts + for (var l = 0; l < 5; ++l) { + contourVerts.pop() + } + vertexCount -= 1 + } + continue edge_loop + } + } + } + levelCounts.push(vertexCount) + } + + // Store results + this._contourOffsets[dim] = levelOffsets + this._contourCounts[dim] = levelCounts + } + + var floatBuffer = pool.mallocFloat(contourVerts.length) + for (i = 0; i < contourVerts.length; ++i) { + floatBuffer[i] = contourVerts[i] + } + this._contourBuffer.update(floatBuffer) + pool.freeFloat(floatBuffer) + } + + if (params.colormap) { + this._colorMap.setPixels(genColormap(params.colormap)) + } +} + +proto.dispose = function () { + this._shader.dispose() + this._vao.dispose() + this._coordinateBuffer.dispose() + this._colorMap.dispose() + this._contourBuffer.dispose() + this._contourVAO.dispose() + this._contourShader.dispose() + this._contourPickShader.dispose() + this._dynamicBuffer.dispose() + this._dynamicVAO.dispose() + for (var i = 0; i < 3; ++i) { + pool.freeFloat(this._field[i].data) + } +} + +proto.highlight = function (selection) { + if (!selection) { + this._dynamicCounts = [0, 0, 0] + this.dyanamicLevel = [NaN, NaN, NaN] + this.highlightLevel = [-1, -1, -1] + return + } + + for (var i = 0; i < 3; ++i) { + if (this.enableHighlight[i]) { + this.highlightLevel[i] = selection.level[i] + } else { + this.highlightLevel[i] = -1 + } + } + + var levels + if (this.snapToData) { + levels = selection.dataCoordinate + } else { + levels = selection.position + } + if ((!this.enableDynamic[0] || levels[0] === this.dynamicLevel[0]) && + (!this.enableDynamic[1] || levels[1] === this.dynamicLevel[1]) && + (!this.enableDynamic[2] || levels[2] === this.dynamicLevel[2])) { + return + } + + var vertexCount = 0 + var shape = this.shape + var scratchBuffer = pool.mallocFloat(12 * shape[0] * shape[1]) + + for (var d = 0; d < 3; ++d) { + if (!this.enableDynamic[d]) { + this.dynamicLevel[d] = NaN + this._dynamicCounts[d] = 0 + continue + } + + this.dynamicLevel[d] = levels[d] + + var u = (d + 1) % 3 + var v = (d + 2) % 3 + + var f = this._field[d] + var g = this._field[u] + var h = this._field[v] + var intensity = this.intensity + + var graph = surfaceNets(f, levels[d]) + var edges = graph.cells + var positions = graph.positions + + this._dynamicOffsets[d] = vertexCount + + for (i = 0; i < edges.length; ++i) { + var e = edges[i] + for (var j = 0; j < 2; ++j) { + var p = positions[e[j]] + + var x = +p[0] + var ix = x | 0 + var jx = Math.min(ix + 1, shape[0]) | 0 + var fx = x - ix + var hx = 1.0 - fx + + var y = +p[1] + var iy = y | 0 + var jy = Math.min(iy + 1, shape[1]) | 0 + var fy = y - iy + var hy = 1.0 - fy + + var w00 = hx * hy + var w01 = hx * fy + var w10 = fx * hy + var w11 = fx * fy + + var cu = w00 * g.get(ix, iy) + + w01 * g.get(ix, jy) + + w10 * g.get(jx, iy) + + w11 * g.get(jx, jy) + + var cv = w00 * h.get(ix, iy) + + w01 * h.get(ix, jy) + + w10 * h.get(jx, iy) + + w11 * h.get(jx, jy) + + if (isNaN(cu) || isNaN(cv)) { + if (j) { + vertexCount -= 1 + } + break + } + + scratchBuffer[2 * vertexCount + 0] = cu + scratchBuffer[2 * vertexCount + 1] = cv + + vertexCount += 1 + } + } + + this._dynamicCounts[d] = vertexCount - this._dynamicOffsets[d] + } + + this._dynamicBuffer.update(scratchBuffer.subarray(0, 2 * vertexCount)) + pool.freeFloat(scratchBuffer) +} + +function createSurfacePlot (params) { + var gl = params.gl + var shader = createShader(gl) + var pickShader = createPickShader(gl) + var contourShader = createContourShader(gl) + var contourPickShader = createPickContourShader(gl) + + var coordinateBuffer = createBuffer(gl) + var vao = createVAO(gl, [ + { buffer: coordinateBuffer, + size: 4, + stride: SURFACE_VERTEX_SIZE, + offset: 0 + }, + { buffer: coordinateBuffer, + size: 3, + stride: SURFACE_VERTEX_SIZE, + offset: 16 + }, + { + buffer: coordinateBuffer, + size: 3, + stride: SURFACE_VERTEX_SIZE, + offset: 28 + } + ]) + + var contourBuffer = createBuffer(gl) + var contourVAO = createVAO(gl, [ + { + buffer: contourBuffer, + size: 4, + stride: 20, + offset: 0 + }, + { + buffer: contourBuffer, + size: 1, + stride: 20, + offset: 16 + } + ]) + + var dynamicBuffer = createBuffer(gl) + var dynamicVAO = createVAO(gl, [ + { + buffer: dynamicBuffer, + size: 2, + type: gl.FLOAT + }]) + + var cmap = createTexture(gl, 1, N_COLORS, gl.RGBA, gl.UNSIGNED_BYTE) + cmap.minFilter = gl.LINEAR + cmap.magFilter = gl.LINEAR + + var surface = new SurfacePlot( + gl, + [0, 0], + [[0, 0, 0], [0, 0, 0]], + shader, + pickShader, + coordinateBuffer, + vao, + cmap, + contourShader, + contourPickShader, + contourBuffer, + contourVAO, + dynamicBuffer, + dynamicVAO + ) + + var nparams = { + levels: [[], [], []] + } + for (var id in params) { + nparams[id] = params[id] + } + nparams.colormap = nparams.colormap || 'jet' + + surface.update(nparams) + + return surface +} },{"./lib/shaders":152,"binary-search-bounds":34,"bit-twiddle":35,"colormap":67,"gl-buffer":103,"gl-mat4/invert":121,"gl-mat4/multiply":123,"gl-texture2d":154,"gl-vao":158,"ndarray":206,"ndarray-gradient":197,"ndarray-ops":200,"ndarray-pack":201,"surface-nets":262,"typedarray-pool":269}],154:[function(require,module,exports){ 'use strict' @@ -35883,19 +35883,19 @@ function tokenizeString(str, opt) { },{"./index":167}],174:[function(require,module,exports){ (function (global){ -'use strict' - -var isBrowser = require('is-browser') -var hasHover - -if (typeof global.matchMedia === 'function') { - hasHover = !global.matchMedia('(hover: none)').matches -} -else { - hasHover = isBrowser -} - -module.exports = hasHover +'use strict' + +var isBrowser = require('is-browser') +var hasHover + +if (typeof global.matchMedia === 'function') { + hasHover = !global.matchMedia('(hover: none)').matches +} +else { + hasHover = isBrowser +} + +module.exports = hasHover }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"is-browser":180}],175:[function(require,module,exports){ @@ -36857,7 +36857,7 @@ function isMobile (ua) { } if (typeof ua != 'string') return false; - return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0,4)); + return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(ad|hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0,4)); } @@ -37242,204 +37242,204 @@ module.exports = function recomposeMat4(matrix, translation, scale, skew, perspe return matrix } },{"gl-mat4/create":116,"gl-mat4/fromRotationTranslation":119,"gl-mat4/identity":120,"gl-mat4/multiply":123,"gl-mat4/scale":129,"gl-mat4/translate":130}],189:[function(require,module,exports){ -'use strict' - -var bsearch = require('binary-search-bounds') -var m4interp = require('mat4-interpolate') -var invert44 = require('gl-mat4/invert') -var rotateX = require('gl-mat4/rotateX') -var rotateY = require('gl-mat4/rotateY') -var rotateZ = require('gl-mat4/rotateZ') -var lookAt = require('gl-mat4/lookAt') -var translate = require('gl-mat4/translate') -var scale = require('gl-mat4/scale') -var normalize = require('gl-vec3/normalize') - -var DEFAULT_CENTER = [0,0,0] - -module.exports = createMatrixCameraController - -function MatrixCameraController(initialMatrix) { - this._components = initialMatrix.slice() - this._time = [0] - this.prevMatrix = initialMatrix.slice() - this.nextMatrix = initialMatrix.slice() - this.computedMatrix = initialMatrix.slice() - this.computedInverse = initialMatrix.slice() - this.computedEye = [0,0,0] - this.computedUp = [0,0,0] - this.computedCenter = [0,0,0] - this.computedRadius = [0] - this._limits = [-Infinity, Infinity] -} - -var proto = MatrixCameraController.prototype - -proto.recalcMatrix = function(t) { - var time = this._time - var tidx = bsearch.le(time, t) - var mat = this.computedMatrix - if(tidx < 0) { - return - } - var comps = this._components - if(tidx === time.length-1) { - var ptr = 16*tidx - for(var i=0; i<16; ++i) { - mat[i] = comps[ptr++] - } - } else { - var dt = (time[tidx+1] - time[tidx]) - var ptr = 16*tidx - var prev = this.prevMatrix - var allEqual = true - for(var i=0; i<16; ++i) { - prev[i] = comps[ptr++] - } - var next = this.nextMatrix - for(var i=0; i<16; ++i) { - next[i] = comps[ptr++] - allEqual = allEqual && (prev[i] === next[i]) - } - if(dt < 1e-6 || allEqual) { - for(var i=0; i<16; ++i) { - mat[i] = prev[i] - } - } else { - m4interp(mat, prev, next, (t - time[tidx])/dt) - } - } - - var up = this.computedUp - up[0] = mat[1] - up[1] = mat[5] - up[2] = mat[9] - normalize(up, up) - - var imat = this.computedInverse - invert44(imat, mat) - var eye = this.computedEye - var w = imat[15] - eye[0] = imat[12]/w - eye[1] = imat[13]/w - eye[2] = imat[14]/w - - var center = this.computedCenter - var radius = Math.exp(this.computedRadius[0]) - for(var i=0; i<3; ++i) { - center[i] = eye[i] - mat[2+4*i] * radius - } -} - -proto.idle = function(t) { - if(t < this.lastT()) { - return - } - var mc = this._components - var ptr = mc.length-16 - for(var i=0; i<16; ++i) { - mc.push(mc[ptr++]) - } - this._time.push(t) -} - -proto.flush = function(t) { - var idx = bsearch.gt(this._time, t) - 2 - if(idx < 0) { - return - } - this._time.splice(0, idx) - this._components.splice(0, 16*idx) -} - -proto.lastT = function() { - return this._time[this._time.length-1] -} - -proto.lookAt = function(t, eye, center, up) { - this.recalcMatrix(t) - eye = eye || this.computedEye - center = center || DEFAULT_CENTER - up = up || this.computedUp - this.setMatrix(t, lookAt(this.computedMatrix, eye, center, up)) - var d2 = 0.0 - for(var i=0; i<3; ++i) { - d2 += Math.pow(center[i] - eye[i], 2) - } - d2 = Math.log(Math.sqrt(d2)) - this.computedRadius[0] = d2 -} - -proto.rotate = function(t, yaw, pitch, roll) { - this.recalcMatrix(t) - var mat = this.computedInverse - if(yaw) rotateY(mat, mat, yaw) - if(pitch) rotateX(mat, mat, pitch) - if(roll) rotateZ(mat, mat, roll) - this.setMatrix(t, invert44(this.computedMatrix, mat)) -} - -var tvec = [0,0,0] - -proto.pan = function(t, dx, dy, dz) { - tvec[0] = -(dx || 0.0) - tvec[1] = -(dy || 0.0) - tvec[2] = -(dz || 0.0) - this.recalcMatrix(t) - var mat = this.computedInverse - translate(mat, mat, tvec) - this.setMatrix(t, invert44(mat, mat)) -} - -proto.translate = function(t, dx, dy, dz) { - tvec[0] = dx || 0.0 - tvec[1] = dy || 0.0 - tvec[2] = dz || 0.0 - this.recalcMatrix(t) - var mat = this.computedMatrix - translate(mat, mat, tvec) - this.setMatrix(t, mat) -} - -proto.setMatrix = function(t, mat) { - if(t < this.lastT()) { - return - } - this._time.push(t) - for(var i=0; i<16; ++i) { - this._components.push(mat[i]) - } -} - -proto.setDistance = function(t, d) { - this.computedRadius[0] = d -} - -proto.setDistanceLimits = function(a,b) { - var lim = this._limits - lim[0] = a - lim[1] = b -} - -proto.getDistanceLimits = function(out) { - var lim = this._limits - if(out) { - out[0] = lim[0] - out[1] = lim[1] - return out - } - return lim -} - -function createMatrixCameraController(options) { - options = options || {} - var matrix = options.matrix || - [1,0,0,0, - 0,1,0,0, - 0,0,1,0, - 0,0,0,1] - return new MatrixCameraController(matrix) -} +'use strict' + +var bsearch = require('binary-search-bounds') +var m4interp = require('mat4-interpolate') +var invert44 = require('gl-mat4/invert') +var rotateX = require('gl-mat4/rotateX') +var rotateY = require('gl-mat4/rotateY') +var rotateZ = require('gl-mat4/rotateZ') +var lookAt = require('gl-mat4/lookAt') +var translate = require('gl-mat4/translate') +var scale = require('gl-mat4/scale') +var normalize = require('gl-vec3/normalize') + +var DEFAULT_CENTER = [0,0,0] + +module.exports = createMatrixCameraController + +function MatrixCameraController(initialMatrix) { + this._components = initialMatrix.slice() + this._time = [0] + this.prevMatrix = initialMatrix.slice() + this.nextMatrix = initialMatrix.slice() + this.computedMatrix = initialMatrix.slice() + this.computedInverse = initialMatrix.slice() + this.computedEye = [0,0,0] + this.computedUp = [0,0,0] + this.computedCenter = [0,0,0] + this.computedRadius = [0] + this._limits = [-Infinity, Infinity] +} + +var proto = MatrixCameraController.prototype + +proto.recalcMatrix = function(t) { + var time = this._time + var tidx = bsearch.le(time, t) + var mat = this.computedMatrix + if(tidx < 0) { + return + } + var comps = this._components + if(tidx === time.length-1) { + var ptr = 16*tidx + for(var i=0; i<16; ++i) { + mat[i] = comps[ptr++] + } + } else { + var dt = (time[tidx+1] - time[tidx]) + var ptr = 16*tidx + var prev = this.prevMatrix + var allEqual = true + for(var i=0; i<16; ++i) { + prev[i] = comps[ptr++] + } + var next = this.nextMatrix + for(var i=0; i<16; ++i) { + next[i] = comps[ptr++] + allEqual = allEqual && (prev[i] === next[i]) + } + if(dt < 1e-6 || allEqual) { + for(var i=0; i<16; ++i) { + mat[i] = prev[i] + } + } else { + m4interp(mat, prev, next, (t - time[tidx])/dt) + } + } + + var up = this.computedUp + up[0] = mat[1] + up[1] = mat[5] + up[2] = mat[9] + normalize(up, up) + + var imat = this.computedInverse + invert44(imat, mat) + var eye = this.computedEye + var w = imat[15] + eye[0] = imat[12]/w + eye[1] = imat[13]/w + eye[2] = imat[14]/w + + var center = this.computedCenter + var radius = Math.exp(this.computedRadius[0]) + for(var i=0; i<3; ++i) { + center[i] = eye[i] - mat[2+4*i] * radius + } +} + +proto.idle = function(t) { + if(t < this.lastT()) { + return + } + var mc = this._components + var ptr = mc.length-16 + for(var i=0; i<16; ++i) { + mc.push(mc[ptr++]) + } + this._time.push(t) +} + +proto.flush = function(t) { + var idx = bsearch.gt(this._time, t) - 2 + if(idx < 0) { + return + } + this._time.splice(0, idx) + this._components.splice(0, 16*idx) +} + +proto.lastT = function() { + return this._time[this._time.length-1] +} + +proto.lookAt = function(t, eye, center, up) { + this.recalcMatrix(t) + eye = eye || this.computedEye + center = center || DEFAULT_CENTER + up = up || this.computedUp + this.setMatrix(t, lookAt(this.computedMatrix, eye, center, up)) + var d2 = 0.0 + for(var i=0; i<3; ++i) { + d2 += Math.pow(center[i] - eye[i], 2) + } + d2 = Math.log(Math.sqrt(d2)) + this.computedRadius[0] = d2 +} + +proto.rotate = function(t, yaw, pitch, roll) { + this.recalcMatrix(t) + var mat = this.computedInverse + if(yaw) rotateY(mat, mat, yaw) + if(pitch) rotateX(mat, mat, pitch) + if(roll) rotateZ(mat, mat, roll) + this.setMatrix(t, invert44(this.computedMatrix, mat)) +} + +var tvec = [0,0,0] + +proto.pan = function(t, dx, dy, dz) { + tvec[0] = -(dx || 0.0) + tvec[1] = -(dy || 0.0) + tvec[2] = -(dz || 0.0) + this.recalcMatrix(t) + var mat = this.computedInverse + translate(mat, mat, tvec) + this.setMatrix(t, invert44(mat, mat)) +} + +proto.translate = function(t, dx, dy, dz) { + tvec[0] = dx || 0.0 + tvec[1] = dy || 0.0 + tvec[2] = dz || 0.0 + this.recalcMatrix(t) + var mat = this.computedMatrix + translate(mat, mat, tvec) + this.setMatrix(t, mat) +} + +proto.setMatrix = function(t, mat) { + if(t < this.lastT()) { + return + } + this._time.push(t) + for(var i=0; i<16; ++i) { + this._components.push(mat[i]) + } +} + +proto.setDistance = function(t, d) { + this.computedRadius[0] = d +} + +proto.setDistanceLimits = function(a,b) { + var lim = this._limits + lim[0] = a + lim[1] = b +} + +proto.getDistanceLimits = function(out) { + var lim = this._limits + if(out) { + out[0] = lim[0] + out[1] = lim[1] + return out + } + return lim +} + +function createMatrixCameraController(options) { + options = options || {} + var matrix = options.matrix || + [1,0,0,0, + 0,1,0,0, + 0,0,1,0, + 0,0,0,1] + return new MatrixCameraController(matrix) +} },{"binary-search-bounds":34,"gl-mat4/invert":121,"gl-mat4/lookAt":122,"gl-mat4/rotateX":126,"gl-mat4/rotateY":127,"gl-mat4/rotateZ":128,"gl-mat4/scale":129,"gl-mat4/translate":130,"gl-vec3/normalize":163,"mat4-interpolate":187}],190:[function(require,module,exports){ 'use strict' diff --git a/dist/plotly-gl3d.min.js b/dist/plotly-gl3d.min.js index 234574cd6b0..221927c67d7 100644 --- a/dist/plotly-gl3d.min.js +++ b/dist/plotly-gl3d.min.js @@ -4,4 +4,4 @@ * All rights reserved. * Licensed under the MIT license */ -!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof 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wt=(u+(n=n+Math.imul(f,at)|0)|0)+((8191&(i=(i=i+Math.imul(f,ot)|0)+Math.imul(h,at)|0))<<13)|0;u=((a=a+Math.imul(h,ot)|0)+(i>>>13)|0)+(wt>>>26)|0,wt&=67108863,n=Math.imul(R,U),i=(i=Math.imul(R,V))+Math.imul(O,U)|0,a=Math.imul(O,V),n=n+Math.imul(C,q)|0,i=(i=i+Math.imul(C,G)|0)+Math.imul(S,q)|0,a=a+Math.imul(S,G)|0,n=n+Math.imul(T,W)|0,i=(i=i+Math.imul(T,Y)|0)+Math.imul(E,W)|0,a=a+Math.imul(E,Y)|0,n=n+Math.imul(M,Q)|0,i=(i=i+Math.imul(M,$)|0)+Math.imul(A,Q)|0,a=a+Math.imul(A,$)|0,n=n+Math.imul(x,K)|0,i=(i=i+Math.imul(x,tt)|0)+Math.imul(_,K)|0,a=a+Math.imul(_,tt)|0,n=n+Math.imul(m,rt)|0,i=(i=i+Math.imul(m,nt)|0)+Math.imul(y,rt)|0,a=a+Math.imul(y,nt)|0,n=n+Math.imul(p,at)|0,i=(i=i+Math.imul(p,ot)|0)+Math.imul(g,at)|0,a=a+Math.imul(g,ot)|0;var Mt=(u+(n=n+Math.imul(f,lt)|0)|0)+((8191&(i=(i=i+Math.imul(f,ut)|0)+Math.imul(h,lt)|0))<<13)|0;u=((a=a+Math.imul(h,ut)|0)+(i>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,n=Math.imul(N,U),i=(i=Math.imul(N,V))+Math.imul(D,U)|0,a=Math.imul(D,V),n=n+Math.imul(R,q)|0,i=(i=i+Math.imul(R,G)|0)+Math.imul(O,q)|0,a=a+Math.imul(O,G)|0,n=n+Math.imul(C,W)|0,i=(i=i+Math.imul(C,Y)|0)+Math.imul(S,W)|0,a=a+Math.imul(S,Y)|0,n=n+Math.imul(T,Q)|0,i=(i=i+Math.imul(T,$)|0)+Math.imul(E,Q)|0,a=a+Math.imul(E,$)|0,n=n+Math.imul(M,K)|0,i=(i=i+Math.imul(M,tt)|0)+Math.imul(A,K)|0,a=a+Math.imul(A,tt)|0,n=n+Math.imul(x,rt)|0,i=(i=i+Math.imul(x,nt)|0)+Math.imul(_,rt)|0,a=a+Math.imul(_,nt)|0,n=n+Math.imul(m,at)|0,i=(i=i+Math.imul(m,ot)|0)+Math.imul(y,at)|0,a=a+Math.imul(y,ot)|0,n=n+Math.imul(p,lt)|0,i=(i=i+Math.imul(p,ut)|0)+Math.imul(g,lt)|0,a=a+Math.imul(g,ut)|0;var At=(u+(n=n+Math.imul(f,ft)|0)|0)+((8191&(i=(i=i+Math.imul(f,ht)|0)+Math.imul(h,ft)|0))<<13)|0;u=((a=a+Math.imul(h,ht)|0)+(i>>>13)|0)+(At>>>26)|0,At&=67108863,n=Math.imul(j,U),i=(i=Math.imul(j,V))+Math.imul(F,U)|0,a=Math.imul(F,V),n=n+Math.imul(N,q)|0,i=(i=i+Math.imul(N,G)|0)+Math.imul(D,q)|0,a=a+Math.imul(D,G)|0,n=n+Math.imul(R,W)|0,i=(i=i+Math.imul(R,Y)|0)+Math.imul(O,W)|0,a=a+Math.imul(O,Y)|0,n=n+Math.imul(C,Q)|0,i=(i=i+Math.imul(C,$)|0)+Math.imul(S,Q)|0,a=a+Math.imul(S,$)|0,n=n+Math.imul(T,K)|0,i=(i=i+Math.imul(T,tt)|0)+Math.imul(E,K)|0,a=a+Math.imul(E,tt)|0,n=n+Math.imul(M,rt)|0,i=(i=i+Math.imul(M,nt)|0)+Math.imul(A,rt)|0,a=a+Math.imul(A,nt)|0,n=n+Math.imul(x,at)|0,i=(i=i+Math.imul(x,ot)|0)+Math.imul(_,at)|0,a=a+Math.imul(_,ot)|0,n=n+Math.imul(m,lt)|0,i=(i=i+Math.imul(m,ut)|0)+Math.imul(y,lt)|0,a=a+Math.imul(y,ut)|0,n=n+Math.imul(p,ft)|0,i=(i=i+Math.imul(p,ht)|0)+Math.imul(g,ft)|0,a=a+Math.imul(g,ht)|0;var kt=(u+(n=n+Math.imul(f,pt)|0)|0)+((8191&(i=(i=i+Math.imul(f,gt)|0)+Math.imul(h,pt)|0))<<13)|0;u=((a=a+Math.imul(h,gt)|0)+(i>>>13)|0)+(kt>>>26)|0,kt&=67108863,n=Math.imul(j,q),i=(i=Math.imul(j,G))+Math.imul(F,q)|0,a=Math.imul(F,G),n=n+Math.imul(N,W)|0,i=(i=i+Math.imul(N,Y)|0)+Math.imul(D,W)|0,a=a+Math.imul(D,Y)|0,n=n+Math.imul(R,Q)|0,i=(i=i+Math.imul(R,$)|0)+Math.imul(O,Q)|0,a=a+Math.imul(O,$)|0,n=n+Math.imul(C,K)|0,i=(i=i+Math.imul(C,tt)|0)+Math.imul(S,K)|0,a=a+Math.imul(S,tt)|0,n=n+Math.imul(T,rt)|0,i=(i=i+Math.imul(T,nt)|0)+Math.imul(E,rt)|0,a=a+Math.imul(E,nt)|0,n=n+Math.imul(M,at)|0,i=(i=i+Math.imul(M,ot)|0)+Math.imul(A,at)|0,a=a+Math.imul(A,ot)|0,n=n+Math.imul(x,lt)|0,i=(i=i+Math.imul(x,ut)|0)+Math.imul(_,lt)|0,a=a+Math.imul(_,ut)|0,n=n+Math.imul(m,ft)|0,i=(i=i+Math.imul(m,ht)|0)+Math.imul(y,ft)|0,a=a+Math.imul(y,ht)|0;var 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Et=(u+(n=n+Math.imul(m,pt)|0)|0)+((8191&(i=(i=i+Math.imul(m,gt)|0)+Math.imul(y,pt)|0))<<13)|0;u=((a=a+Math.imul(y,gt)|0)+(i>>>13)|0)+(Et>>>26)|0,Et&=67108863,n=Math.imul(j,Q),i=(i=Math.imul(j,$))+Math.imul(F,Q)|0,a=Math.imul(F,$),n=n+Math.imul(N,K)|0,i=(i=i+Math.imul(N,tt)|0)+Math.imul(D,K)|0,a=a+Math.imul(D,tt)|0,n=n+Math.imul(R,rt)|0,i=(i=i+Math.imul(R,nt)|0)+Math.imul(O,rt)|0,a=a+Math.imul(O,nt)|0,n=n+Math.imul(C,at)|0,i=(i=i+Math.imul(C,ot)|0)+Math.imul(S,at)|0,a=a+Math.imul(S,ot)|0,n=n+Math.imul(T,lt)|0,i=(i=i+Math.imul(T,ut)|0)+Math.imul(E,lt)|0,a=a+Math.imul(E,ut)|0,n=n+Math.imul(M,ft)|0,i=(i=i+Math.imul(M,ht)|0)+Math.imul(A,ft)|0,a=a+Math.imul(A,ht)|0;var Lt=(u+(n=n+Math.imul(x,pt)|0)|0)+((8191&(i=(i=i+Math.imul(x,gt)|0)+Math.imul(_,pt)|0))<<13)|0;u=((a=a+Math.imul(_,gt)|0)+(i>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,n=Math.imul(j,K),i=(i=Math.imul(j,tt))+Math.imul(F,K)|0,a=Math.imul(F,tt),n=n+Math.imul(N,rt)|0,i=(i=i+Math.imul(N,nt)|0)+Math.imul(D,rt)|0,a=a+Math.imul(D,nt)|0,n=n+Math.imul(R,at)|0,i=(i=i+Math.imul(R,ot)|0)+Math.imul(O,at)|0,a=a+Math.imul(O,ot)|0,n=n+Math.imul(C,lt)|0,i=(i=i+Math.imul(C,ut)|0)+Math.imul(S,lt)|0,a=a+Math.imul(S,ut)|0,n=n+Math.imul(T,ft)|0,i=(i=i+Math.imul(T,ht)|0)+Math.imul(E,ft)|0,a=a+Math.imul(E,ht)|0;var Ct=(u+(n=n+Math.imul(M,pt)|0)|0)+((8191&(i=(i=i+Math.imul(M,gt)|0)+Math.imul(A,pt)|0))<<13)|0;u=((a=a+Math.imul(A,gt)|0)+(i>>>13)|0)+(Ct>>>26)|0,Ct&=67108863,n=Math.imul(j,rt),i=(i=Math.imul(j,nt))+Math.imul(F,rt)|0,a=Math.imul(F,nt),n=n+Math.imul(N,at)|0,i=(i=i+Math.imul(N,ot)|0)+Math.imul(D,at)|0,a=a+Math.imul(D,ot)|0,n=n+Math.imul(R,lt)|0,i=(i=i+Math.imul(R,ut)|0)+Math.imul(O,lt)|0,a=a+Math.imul(O,ut)|0,n=n+Math.imul(C,ft)|0,i=(i=i+Math.imul(C,ht)|0)+Math.imul(S,ft)|0,a=a+Math.imul(S,ht)|0;var St=(u+(n=n+Math.imul(T,pt)|0)|0)+((8191&(i=(i=i+Math.imul(T,gt)|0)+Math.imul(E,pt)|0))<<13)|0;u=((a=a+Math.imul(E,gt)|0)+(i>>>13)|0)+(St>>>26)|0,St&=67108863,n=Math.imul(j,at),i=(i=Math.imul(j,ot))+Math.imul(F,at)|0,a=Math.imul(F,ot),n=n+Math.imul(N,lt)|0,i=(i=i+Math.imul(N,ut)|0)+Math.imul(D,lt)|0,a=a+Math.imul(D,ut)|0,n=n+Math.imul(R,ft)|0,i=(i=i+Math.imul(R,ht)|0)+Math.imul(O,ft)|0,a=a+Math.imul(O,ht)|0;var Pt=(u+(n=n+Math.imul(C,pt)|0)|0)+((8191&(i=(i=i+Math.imul(C,gt)|0)+Math.imul(S,pt)|0))<<13)|0;u=((a=a+Math.imul(S,gt)|0)+(i>>>13)|0)+(Pt>>>26)|0,Pt&=67108863,n=Math.imul(j,lt),i=(i=Math.imul(j,ut))+Math.imul(F,lt)|0,a=Math.imul(F,ut),n=n+Math.imul(N,ft)|0,i=(i=i+Math.imul(N,ht)|0)+Math.imul(D,ft)|0,a=a+Math.imul(D,ht)|0;var Rt=(u+(n=n+Math.imul(R,pt)|0)|0)+((8191&(i=(i=i+Math.imul(R,gt)|0)+Math.imul(O,pt)|0))<<13)|0;u=((a=a+Math.imul(O,gt)|0)+(i>>>13)|0)+(Rt>>>26)|0,Rt&=67108863,n=Math.imul(j,ft),i=(i=Math.imul(j,ht))+Math.imul(F,ft)|0,a=Math.imul(F,ht);var Ot=(u+(n=n+Math.imul(N,pt)|0)|0)+((8191&(i=(i=i+Math.imul(N,gt)|0)+Math.imul(D,pt)|0))<<13)|0;u=((a=a+Math.imul(D,gt)|0)+(i>>>13)|0)+(Ot>>>26)|0,Ot&=67108863;var It=(u+(n=Math.imul(j,pt))|0)+((8191&(i=(i=Math.imul(j,gt))+Math.imul(F,pt)|0))<<13)|0;return u=((a=Math.imul(F,gt))+(i>>>13)|0)+(It>>>26)|0,It&=67108863,l[0]=vt,l[1]=mt,l[2]=yt,l[3]=bt,l[4]=xt,l[5]=_t,l[6]=wt,l[7]=Mt,l[8]=At,l[9]=kt,l[10]=Tt,l[11]=Et,l[12]=Lt,l[13]=Ct,l[14]=St,l[15]=Pt,l[16]=Rt,l[17]=Ot,l[18]=It,0!==u&&(l[19]=u,r.length++),r};Math.imul||(w=l),a.prototype.mulTo=function(t,e){var r=this.length+t.length;return 10===this.length&&10===t.length?w(this,t,e):r<63?l(this,t,e):r<1024?function(t,e,r){r.negative=e.negative^t.negative,r.length=t.length+e.length;for(var n=0,i=0,a=0;a>>26)|0)>>>26,o&=67108863}r.words[a]=s,n=o,o=i}return 0!==n?r.words[a]=n:r.length--,r.strip()}(this,t,e):u(this,t,e)},c.prototype.makeRBT=function(t){for(var e=new Array(t),r=a.prototype._countBits(t)-1,n=0;n>=1;return n},c.prototype.permute=function(t,e,r,n,i,a){for(var o=0;o>>=1)i++;return 1<>>=13,r[2*o+1]=8191&a,a>>>=13;for(o=2*e;o>=26,e+=i/67108864|0,e+=a>>>26,this.words[r]=67108863&a}return 0!==e&&(this.words[r]=e,this.length++),this},a.prototype.muln=function(t){return this.clone().imuln(t)},a.prototype.sqr=function(){return this.mul(this)},a.prototype.isqr=function(){return this.imul(this.clone())},a.prototype.pow=function(t){var e=function(t){for(var e=new Array(t.bitLength()),r=0;r>>i}return e}(t);if(0===e.length)return new a(1);for(var r=this,n=0;n=0);var e,r=t%26,i=(t-r)/26,a=67108863>>>26-r<<26-r;if(0!==r){var o=0;for(e=0;e>>26-r}o&&(this.words[e]=o,this.length++)}if(0!==i){for(e=this.length-1;e>=0;e--)this.words[e+i]=this.words[e];for(e=0;e=0);var i;i=e?(e-e%26)/26:0;var a=t%26,o=Math.min((t-a)/26,this.length),s=67108863^67108863>>>a<o)for(this.length-=o,u=0;u=0&&(0!==c||u>=i);u--){var f=0|this.words[u];this.words[u]=c<<26-a|f>>>a,c=f&s}return l&&0!==c&&(l.words[l.length++]=c),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},a.prototype.ishrn=function(t,e,r){return n(0===this.negative),this.iushrn(t,e,r)},a.prototype.shln=function(t){return this.clone().ishln(t)},a.prototype.ushln=function(t){return this.clone().iushln(t)},a.prototype.shrn=function(t){return this.clone().ishrn(t)},a.prototype.ushrn=function(t){return this.clone().iushrn(t)},a.prototype.testn=function(t){n("number"==typeof t&&t>=0);var e=t%26,r=(t-e)/26,i=1<=0);var e=t%26,r=(t-e)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==e&&r++,this.length=Math.min(r,this.length),0!==e){var i=67108863^67108863>>>e<=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},a.prototype.isubn=function(t){if(n("number"==typeof t),n(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e>26)-(l/67108864|0),this.words[i+r]=67108863&o}for(;i>26,this.words[i+r]=67108863&o;if(0===s)return this.strip();for(n(-1===s),s=0,i=0;i>26,this.words[i]=67108863&o;return this.negative=1,this.strip()},a.prototype._wordDiv=function(t,e){var r=this.length-t.length,n=this.clone(),i=t,o=0|i.words[i.length-1];0!==(r=26-this._countBits(o))&&(i=i.ushln(r),n.iushln(r),o=0|i.words[i.length-1]);var s,l=n.length-i.length;if("mod"!==e){(s=new a(null)).length=l+1,s.words=new Array(s.length);for(var u=0;u=0;f--){var h=67108864*(0|n.words[i.length+f])+(0|n.words[i.length+f-1]);for(h=Math.min(h/o|0,67108863),n._ishlnsubmul(i,h,f);0!==n.negative;)h--,n.negative=0,n._ishlnsubmul(i,1,f),n.isZero()||(n.negative^=1);s&&(s.words[f]=h)}return s&&s.strip(),n.strip(),"div"!==e&&0!==r&&n.iushrn(r),{div:s||null,mod:n}},a.prototype.divmod=function(t,e,r){if(n(!t.isZero()),this.isZero())return{div:new a(0),mod:new a(0)};var i,o,s;return 0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(i=s.div.neg()),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:i,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(i=s.div.neg()),{div:i,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new a(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new a(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new a(this.modn(t.words[0]))}:this._wordDiv(t,e)},a.prototype.div=function(t){return this.divmod(t,"div",!1).div},a.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},a.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},a.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var r=0!==e.div.negative?e.mod.isub(t):e.mod,n=t.ushrn(1),i=t.andln(1),a=r.cmp(n);return a<0||1===i&&0===a?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},a.prototype.modn=function(t){n(t<=67108863);for(var e=(1<<26)%t,r=0,i=this.length-1;i>=0;i--)r=(e*r+(0|this.words[i]))%t;return r},a.prototype.idivn=function(t){n(t<=67108863);for(var e=0,r=this.length-1;r>=0;r--){var i=(0|this.words[r])+67108864*e;this.words[r]=i/t|0,e=i%t}return this.strip()},a.prototype.divn=function(t){return this.clone().idivn(t)},a.prototype.egcd=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=new a(0),l=new a(1),u=0;e.isEven()&&r.isEven();)e.iushrn(1),r.iushrn(1),++u;for(var c=r.clone(),f=e.clone();!e.isZero();){for(var h=0,d=1;0==(e.words[0]&d)&&h<26;++h,d<<=1);if(h>0)for(e.iushrn(h);h-- >0;)(i.isOdd()||o.isOdd())&&(i.iadd(c),o.isub(f)),i.iushrn(1),o.iushrn(1);for(var p=0,g=1;0==(r.words[0]&g)&&p<26;++p,g<<=1);if(p>0)for(r.iushrn(p);p-- >0;)(s.isOdd()||l.isOdd())&&(s.iadd(c),l.isub(f)),s.iushrn(1),l.iushrn(1);e.cmp(r)>=0?(e.isub(r),i.isub(s),o.isub(l)):(r.isub(e),s.isub(i),l.isub(o))}return{a:s,b:l,gcd:r.iushln(u)}},a.prototype._invmp=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=r.clone();e.cmpn(1)>0&&r.cmpn(1)>0;){for(var l=0,u=1;0==(e.words[0]&u)&&l<26;++l,u<<=1);if(l>0)for(e.iushrn(l);l-- >0;)i.isOdd()&&i.iadd(s),i.iushrn(1);for(var c=0,f=1;0==(r.words[0]&f)&&c<26;++c,f<<=1);if(c>0)for(r.iushrn(c);c-- >0;)o.isOdd()&&o.iadd(s),o.iushrn(1);e.cmp(r)>=0?(e.isub(r),i.isub(o)):(r.isub(e),o.isub(i))}var h;return(h=0===e.cmpn(1)?i:o).cmpn(0)<0&&h.iadd(t),h},a.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var e=this.clone(),r=t.clone();e.negative=0,r.negative=0;for(var n=0;e.isEven()&&r.isEven();n++)e.iushrn(1),r.iushrn(1);for(;;){for(;e.isEven();)e.iushrn(1);for(;r.isEven();)r.iushrn(1);var i=e.cmp(r);if(i<0){var a=e;e=r,r=a}else if(0===i||0===r.cmpn(1))break;e.isub(r)}return r.iushln(n)},a.prototype.invm=function(t){return this.egcd(t).a.umod(t)},a.prototype.isEven=function(){return 0==(1&this.words[0])},a.prototype.isOdd=function(){return 1==(1&this.words[0])},a.prototype.andln=function(t){return this.words[0]&t},a.prototype.bincn=function(t){n("number"==typeof t);var e=t%26,r=(t-e)/26,i=1<>>26,s&=67108863,this.words[o]=s}return 0!==a&&(this.words[o]=a,this.length++),this},a.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},a.prototype.cmpn=function(t){var e=t<0;if(0!==this.negative&&!e)return-1;if(0===this.negative&&e)return 1;this.strip();var r;if(this.length>1)r=1;else{e&&(t=-t),n(t<=67108863,"Number is too big");var i=0|this.words[0];r=i===t?0:it.length)return 1;if(this.length=0;r--){var n=0|this.words[r],i=0|t.words[r];if(n!==i){ni&&(e=1);break}}return e},a.prototype.gtn=function(t){return 1===this.cmpn(t)},a.prototype.gt=function(t){return 1===this.cmp(t)},a.prototype.gten=function(t){return this.cmpn(t)>=0},a.prototype.gte=function(t){return this.cmp(t)>=0},a.prototype.ltn=function(t){return-1===this.cmpn(t)},a.prototype.lt=function(t){return-1===this.cmp(t)},a.prototype.lten=function(t){return this.cmpn(t)<=0},a.prototype.lte=function(t){return this.cmp(t)<=0},a.prototype.eqn=function(t){return 0===this.cmpn(t)},a.prototype.eq=function(t){return 0===this.cmp(t)},a.red=function(t){return new v(t)},a.prototype.toRed=function(t){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),t.convertTo(this)._forceRed(t)},a.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},a.prototype._forceRed=function(t){return this.red=t,this},a.prototype.forceRed=function(t){return n(!this.red,"Already a number in reduction context"),this._forceRed(t)},a.prototype.redAdd=function(t){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,t)},a.prototype.redIAdd=function(t){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,t)},a.prototype.redSub=function(t){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,t)},a.prototype.redISub=function(t){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,t)},a.prototype.redShl=function(t){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,t)},a.prototype.redMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.mul(this,t)},a.prototype.redIMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.imul(this,t)},a.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},a.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},a.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},a.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},a.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},a.prototype.redPow=function(t){return n(this.red&&!t.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,t)};var M={k256:null,p224:null,p192:null,p25519:null};f.prototype._tmp=function(){var t=new a(null);return t.words=new Array(Math.ceil(this.n/13)),t},f.prototype.ireduce=function(t){var e,r=t;do{this.split(r,this.tmp),e=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength()}while(e>this.n);var n=e0?r.isub(this.p):r.strip(),r},f.prototype.split=function(t,e){t.iushrn(this.n,0,e)},f.prototype.imulK=function(t){return t.imul(this.k)},i(h,f),h.prototype.split=function(t,e){for(var r=Math.min(t.length,9),n=0;n>>22,i=a}i>>>=22,t.words[n-10]=i,0===i&&t.length>10?t.length-=10:t.length-=9},h.prototype.imulK=function(t){t.words[t.length]=0,t.words[t.length+1]=0,t.length+=2;for(var e=0,r=0;r>>=26,t.words[r]=i,e=n}return 0!==e&&(t.words[t.length++]=e),t},a._prime=function(t){if(M[t])return M[t];var e;if("k256"===t)e=new h;else if("p224"===t)e=new d;else if("p192"===t)e=new p;else{if("p25519"!==t)throw new Error("Unknown prime "+t);e=new g}return M[t]=e,e},v.prototype._verify1=function(t){n(0===t.negative,"red works only with positives"),n(t.red,"red works only with red numbers")},v.prototype._verify2=function(t,e){n(0==(t.negative|e.negative),"red works only with 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i=[.9999999999998099,676.5203681218851,-1259.1392167224028,771.3234287776531,-176.6150291621406,12.507343278686905,-.13857109526572012,9984369578019572e-21,1.5056327351493116e-7],a=607/128,o=[.9999999999999971,57.15623566586292,-59.59796035547549,14.136097974741746,-.4919138160976202,3399464998481189e-20,4652362892704858e-20,-9837447530487956e-20,.0001580887032249125,-.00021026444172410488,.00021743961811521265,-.0001643181065367639,8441822398385275e-20,-26190838401581408e-21,36899182659531625e-22];e.exports=function t(e){if(e<.5)return Math.PI/(Math.sin(Math.PI*e)*t(1-e));if(e>100)return Math.exp(n(e));e-=1;for(var r=i[0],a=1;a<9;a++)r+=i[a]/(e+a);var o=e+7+.5;return Math.sqrt(2*Math.PI)*Math.pow(o,e+.5)*Math.exp(-o)*r},e.exports.log=n},{}],94:[function(t,e,r){e.exports=function(t,e){if("string"!=typeof t)throw new TypeError("must specify type string");if(e=e||{},"undefined"==typeof document&&!e.canvas)return null;var r=e.canvas||document.createElement("canvas");"number"==typeof e.width&&(r.width=e.width),"number"==typeof e.height&&(r.height=e.height);var n,i=e;try{var a=[t];0===t.indexOf("webgl")&&a.push("experimental-"+t);for(var o=0;o0?(d[c]=-1,p[c]=0):(d[c]=0,p[c]=1)}}e.exports=function(t,e){var r=new i(t);return r.update(e),r};var s=t("./lib/text.js"),l=t("./lib/lines.js"),u=t("./lib/background.js"),c=t("./lib/cube.js"),f=t("./lib/ticks.js"),h=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),d=i.prototype;d.update=function(t){function e(e,r,n){if(n in t){var i,a=t[n],o=this[n];(e?Array.isArray(a)&&Array.isArray(a[0]):Array.isArray(a))?this[n]=i=[r(a[0]),r(a[1]),r(a[2])]:this[n]=i=[r(a),r(a),r(a)];for(var s=0;s<3;++s)if(i[s]!==o[s])return!0}return!1}t=t||{};var r,n=e.bind(this,!1,Number),i=e.bind(this,!1,Boolean),a=e.bind(this,!1,String),o=e.bind(this,!0,function(t){if(Array.isArray(t)){if(3===t.length)return[+t[0],+t[1],+t[2],1];if(4===t.length)return[+t[0],+t[1],+t[2],+t[3]]}return[0,0,0,1]}),u=!1,c=!1;if("bounds"in t)for(var h=t.bounds,d=0;d<2;++d)for(var p=0;p<3;++p)h[d][p]!==this.bounds[d][p]&&(c=!0),this.bounds[d][p]=h[d][p];if("ticks"in t){r=t.ticks,u=!0,this.autoTicks=!1;for(d=0;d<3;++d)this.tickSpacing[d]=0}else n("tickSpacing")&&(this.autoTicks=!0,c=!0);if(this._firstInit&&("ticks"in t||"tickSpacing"in t||(this.autoTicks=!0),c=!0,u=!0,this._firstInit=!1),c&&this.autoTicks&&(r=f.create(this.bounds,this.tickSpacing),u=!0),u){for(d=0;d<3;++d)r[d].sort(function(t,e){return t.x-e.x});f.equal(r,this.ticks)?u=!1:this.ticks=r}i("tickEnable"),a("tickFont")&&(u=!0),n("tickSize"),n("tickAngle"),n("tickPad"),o("tickColor");var g=a("labels");a("labelFont")&&(g=!0),i("labelEnable"),n("labelSize"),n("labelPad"),o("labelColor"),i("lineEnable"),i("lineMirror"),n("lineWidth"),o("lineColor"),i("lineTickEnable"),i("lineTickMirror"),n("lineTickLength"),n("lineTickWidth"),o("lineTickColor"),i("gridEnable"),n("gridWidth"),o("gridColor"),i("zeroEnable"),o("zeroLineColor"),n("zeroLineWidth"),i("backgroundEnable"),o("backgroundColor"),this._text?this._text&&(g||u)&&this._text.update(this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont):this._text=s(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont),this._lines&&u&&(this._lines.dispose(),this._lines=null),this._lines||(this._lines=l(this.gl,this.bounds,this.ticks))};var p=[new a,new a,new a],g=[0,0,0],v={model:h,view:h,projection:h};d.isOpaque=function(){return!0},d.isTransparent=function(){return!1},d.drawTransparent=function(t){};var m=[0,0,0],y=[0,0,0],b=[0,0,0];d.draw=function(t){t=t||v;for(var e=this.gl,r=t.model||h,i=t.view||h,a=t.projection||h,s=this.bounds,l=c(r,i,a,s),u=l.cubeEdges,f=l.axis,d=i[12],x=i[13],_=i[14],w=i[15],M=this.pixelRatio*(a[3]*d+a[7]*x+a[11]*_+a[15]*w)/e.drawingBufferHeight,A=0;A<3;++A)this.lastCubeProps.cubeEdges[A]=u[A],this.lastCubeProps.axis[A]=f[A];var k=p;for(A=0;A<3;++A)o(p[A],A,this.bounds,u,f);e=this.gl;var T=g;for(A=0;A<3;++A)this.backgroundEnable[A]?T[A]=f[A]:T[A]=0;this._background.draw(r,i,a,s,T,this.backgroundColor),this._lines.bind(r,i,a,this);for(A=0;A<3;++A){var E=[0,0,0];f[A]>0?E[A]=s[1][A]:E[A]=s[0][A];for(var L=0;L<2;++L){var C=(A+1+L)%3,S=(A+1+(1^L))%3;this.gridEnable[C]&&this._lines.drawGrid(C,S,this.bounds,E,this.gridColor[C],this.gridWidth[C]*this.pixelRatio)}for(L=0;L<2;++L){C=(A+1+L)%3,S=(A+1+(1^L))%3;this.zeroEnable[S]&&s[0][S]<=0&&s[1][S]>=0&&this._lines.drawZero(C,S,this.bounds,E,this.zeroLineColor[S],this.zeroLineWidth[S]*this.pixelRatio)}}for(A=0;A<3;++A){this.lineEnable[A]&&this._lines.drawAxisLine(A,this.bounds,k[A].primalOffset,this.lineColor[A],this.lineWidth[A]*this.pixelRatio),this.lineMirror[A]&&this._lines.drawAxisLine(A,this.bounds,k[A].mirrorOffset,this.lineColor[A],this.lineWidth[A]*this.pixelRatio);var P=n(m,k[A].primalMinor),R=n(y,k[A].mirrorMinor),O=this.lineTickLength;for(L=0;L<3;++L){var I=M/r[5*L];P[L]*=O[L]*I,R[L]*=O[L]*I}this.lineTickEnable[A]&&this._lines.drawAxisTicks(A,k[A].primalOffset,P,this.lineTickColor[A],this.lineTickWidth[A]*this.pixelRatio),this.lineTickMirror[A]&&this._lines.drawAxisTicks(A,k[A].mirrorOffset,R,this.lineTickColor[A],this.lineTickWidth[A]*this.pixelRatio)}this._text.bind(r,i,a,this.pixelRatio);for(A=0;A<3;++A){var N=k[A].primalMinor,D=n(b,k[A].primalOffset);for(L=0;L<3;++L)this.lineTickEnable[A]&&(D[L]+=M*N[L]*Math.max(this.lineTickLength[L],0)/r[5*L]);if(this.tickEnable[A]){for(L=0;L<3;++L)D[L]+=M*N[L]*this.tickPad[L]/r[5*L];this._text.drawTicks(A,this.tickSize[A],this.tickAngle[A],D,this.tickColor[A])}if(this.labelEnable[A]){for(L=0;L<3;++L)D[L]+=M*N[L]*this.labelPad[L]/r[5*L];D[A]+=.5*(s[0][A]+s[1][A]),this._text.drawLabel(A,this.labelSize[A],this.labelAngle[A],D,this.labelColor[A])}}},d.dispose=function(){this._text.dispose(),this._lines.dispose(),this._background.dispose(),this._lines=null,this._text=null,this._background=null,this.gl=null}},{"./lib/background.js":96,"./lib/cube.js":97,"./lib/lines.js":98,"./lib/text.js":100,"./lib/ticks.js":101}],96:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n}e.exports=function(t){for(var e=[],r=[],s=0,l=0;l<3;++l)for(var u=(l+1)%3,c=(l+2)%3,f=[0,0,0],h=[0,0,0],d=-1;d<=1;d+=2){r.push(s,s+2,s+1,s+1,s+2,s+3),f[l]=d,h[l]=d;for(var p=-1;p<=1;p+=2){f[u]=p;for(var g=-1;g<=1;g+=2)f[c]=g,e.push(f[0],f[1],f[2],h[0],h[1],h[2]),s+=1}var v=u;u=c,c=v}var m=i(t,new Float32Array(e)),y=i(t,new Uint16Array(r),t.ELEMENT_ARRAY_BUFFER),b=a(t,[{buffer:m,type:t.FLOAT,size:3,offset:0,stride:24},{buffer:m,type:t.FLOAT,size:3,offset:12,stride:24}],y),x=o(t);return x.attributes.position.location=0,x.attributes.normal.location=1,new n(t,m,b,x)};var i=t("gl-buffer"),a=t("gl-vao"),o=t("./shaders").bg,s=n.prototype;s.draw=function(t,e,r,n,i,a){for(var o=!1,s=0;s<3;++s)o=o||i[s];if(o){var l=this.gl;l.enable(l.POLYGON_OFFSET_FILL),l.polygonOffset(1,2),this.shader.bind(),this.shader.uniforms={model:t,view:e,projection:r,bounds:n,enable:i,colors:a},this.vao.bind(),this.vao.draw(this.gl.TRIANGLES,36),l.disable(l.POLYGON_OFFSET_FILL)}},s.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders":99,"gl-buffer":103,"gl-vao":158}],97:[function(t,e,r){"use strict";function n(t,e,r){for(var n=0;n<4;++n){t[n]=r[12+n];for(var i=0;i<3;++i)t[n]+=e[i]*r[4*i+n]}}function i(t){for(var e=0;eE&&(_|=1<E&&(_|=1<f[y][1]&&(N=y));var D=-1;for(y=0;y<3;++y)(j=N^1<f[z][0]&&(z=j))}var F=g;F[0]=F[1]=F[2]=0,F[a.log2(D^N)]=N&D,F[a.log2(N^z)]=N&z;var B=7^z;B===_||B===I?(B=7^D,F[a.log2(z^B)]=B&z):F[a.log2(D^B)]=B&D;var U=v,V=_;for(A=0;A<3;++A)U[A]=V&1< 0.0) {\n vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0));\n gl_Position = projection * view * model * vec4(nPosition, 1.0);\n } else {\n gl_Position = vec4(0,0,0,0);\n }\n colorChannel = abs(normal);\n}","precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 colors[3];\n\nvarying vec3 colorChannel;\n\nvoid main() {\n gl_FragColor = colorChannel.x * colors[0] + \n colorChannel.y * colors[1] +\n colorChannel.z * colors[2];\n}",null,[{name:"position",type:"vec3"},{name:"normal",type:"vec3"}])}},{"gl-shader":143}],100:[function(t,e,r){(function(r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=e,this.buffer=r,this.vao=n,this.tickOffset=this.tickCount=this.labelOffset=this.labelCount=null}e.exports=function(t,e,r,o,l,u){var c=i(t),f=a(t,[{buffer:c,size:3}]),h=s(t);h.attributes.position.location=0;var d=new n(t,h,c,f);return d.update(e,r,o,l,u),d};var i=t("gl-buffer"),a=t("gl-vao"),o=t("vectorize-text"),s=t("./shaders").text,l=window||r.global||{},u=l.__TEXT_CACHE||{};l.__TEXT_CACHE={};var c=n.prototype,f=[0,0];c.bind=function(t,e,r,n){this.vao.bind(),this.shader.bind();var i=this.shader.uniforms;i.model=t,i.view=e,i.projection=r,i.pixelScale=n,f[0]=this.gl.drawingBufferWidth,f[1]=this.gl.drawingBufferHeight,this.shader.uniforms.resolution=f},c.update=function(t,e,r,n,i){function a(t,e,r,n){var i=u[r];i||(i=u[r]={});var a=i[e];a||(a=i[e]=function(t,e){try{return o(t,e)}catch(t){return console.warn("error vectorizing text:",t),{cells:[],positions:[]}}}(e,{triangles:!0,font:r,textAlign:"center",textBaseline:"middle"}));for(var l=(n||12)/12,c=a.positions,f=a.cells,h=0,d=f.length;h=0;--g){var v=c[p[g]];s.push(l*v[0],-l*v[1],t)}}this.gl;for(var s=[],l=[0,0,0],c=[0,0,0],f=[0,0,0],h=[0,0,0],d=0;d<3;++d){f[d]=s.length/3|0,a(.5*(t[0][d]+t[1][d]),e[d],r),h[d]=(s.length/3|0)-f[d],l[d]=s.length/3|0;for(var p=0;p=0&&(i=r.length-n-1);var a=Math.pow(10,i),o=Math.round(t*e*a),s=o+"";if(s.indexOf("e")>=0)return s;var l=o/a,u=o%a;o<0?(l=0|-Math.ceil(l),u=0|-u):(l=0|Math.floor(l),u|=0);var c=""+l;if(o<0&&(c="-"+c),i){for(var f=""+u;f.length=t[0][i];--o)a.push({x:o*e[i],text:n(e[i],o)});r.push(a)}return r},r.equal=function(t,e){for(var r=0;r<3;++r){if(t[r].length!==e[r].length)return!1;for(var n=0;nr)throw new Error("gl-buffer: If resizing buffer, must not specify offset");return t.bufferSubData(e,a,i),r}function a(t,e){for(var r=o.malloc(t.length,e),n=t.length,i=0;i=0;--n){if(e[n]!==r)return!1;r*=t[n]}return!0}(t.shape,t.stride))0===t.offset&&t.data.length===t.shape[0]?this.length=i(this.gl,this.type,this.length,this.usage,t.data,e):this.length=i(this.gl,this.type,this.length,this.usage,t.data.subarray(t.offset,t.shape[0]),e);else{var n=o.malloc(t.size,r),c=l(n,t.shape);s.assign(c,t),this.length=e<0?i(this.gl,this.type,this.length,this.usage,n,e):i(this.gl,this.type,this.length,this.usage,n.subarray(0,t.size),e),o.free(n)}}else if(Array.isArray(t)){var f;f=this.type===this.gl.ELEMENT_ARRAY_BUFFER?a(t,"uint16"):a(t,"float32"),this.length=e<0?i(this.gl,this.type,this.length,this.usage,f,e):i(this.gl,this.type,this.length,this.usage,f.subarray(0,t.length),e),o.free(f)}else if("object"==typeof t&&"number"==typeof t.length)this.length=i(this.gl,this.type,this.length,this.usage,t,e);else{if("number"!=typeof t&&void 0!==t)throw new Error("gl-buffer: Invalid data type");if(e>=0)throw new Error("gl-buffer: Cannot specify offset when resizing buffer");(t|=0)<=0&&(t=1),this.gl.bufferData(this.type,0|t,this.usage),this.length=t}},e.exports=function(t,e,r,i){if(r=r||t.ARRAY_BUFFER,i=i||t.DYNAMIC_DRAW,r!==t.ARRAY_BUFFER&&r!==t.ELEMENT_ARRAY_BUFFER)throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER");if(i!==t.DYNAMIC_DRAW&&i!==t.STATIC_DRAW&&i!==t.STREAM_DRAW)throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW");var a=new n(t,r,t.createBuffer(),0,i);return a.update(e),a}},{ndarray:206,"ndarray-ops":200,"typedarray-pool":269}],104:[function(t,e,r){e.exports={0:"NONE",1:"ONE",2:"LINE_LOOP",3:"LINE_STRIP",4:"TRIANGLES",5:"TRIANGLE_STRIP",6:"TRIANGLE_FAN",256:"DEPTH_BUFFER_BIT",512:"NEVER",513:"LESS",514:"EQUAL",515:"LEQUAL",516:"GREATER",517:"NOTEQUAL",518:"GEQUAL",519:"ALWAYS",768:"SRC_COLOR",769:"ONE_MINUS_SRC_COLOR",770:"SRC_ALPHA",771:"ONE_MINUS_SRC_ALPHA",772:"DST_ALPHA",773:"ONE_MINUS_DST_ALPHA",774:"DST_COLOR",775:"ONE_MINUS_DST_COLOR",776:"SRC_ALPHA_SATURATE",1024:"STENCIL_BUFFER_BIT",1028:"FRONT",1029:"BACK",1032:"FRONT_AND_BACK",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",2304:"CW",2305:"CCW",2849:"LINE_WIDTH",2884:"CULL_FACE",2885:"CULL_FACE_MODE",2886:"FRONT_FACE",2928:"DEPTH_RANGE",2929:"DEPTH_TEST",2930:"DEPTH_WRITEMASK",2931:"DEPTH_CLEAR_VALUE",2932:"DEPTH_FUNC",2960:"STENCIL_TEST",2961:"STENCIL_CLEAR_VALUE",2962:"STENCIL_FUNC",2963:"STENCIL_VALUE_MASK",2964:"STENCIL_FAIL",2965:"STENCIL_PASS_DEPTH_FAIL",2966:"STENCIL_PASS_DEPTH_PASS",2967:"STENCIL_REF",2968:"STENCIL_WRITEMASK",2978:"VIEWPORT",3024:"DITHER",3042:"BLEND",3088:"SCISSOR_BOX",3089:"SCISSOR_TEST",3106:"COLOR_CLEAR_VALUE",3107:"COLOR_WRITEMASK",3317:"UNPACK_ALIGNMENT",3333:"PACK_ALIGNMENT",3379:"MAX_TEXTURE_SIZE",3386:"MAX_VIEWPORT_DIMS",3408:"SUBPIXEL_BITS",3410:"RED_BITS",3411:"GREEN_BITS",3412:"BLUE_BITS",3413:"ALPHA_BITS",3414:"DEPTH_BITS",3415:"STENCIL_BITS",3553:"TEXTURE_2D",4352:"DONT_CARE",4353:"FASTEST",4354:"NICEST",5120:"BYTE",5121:"UNSIGNED_BYTE",5122:"SHORT",5123:"UNSIGNED_SHORT",5124:"INT",5125:"UNSIGNED_INT",5126:"FLOAT",5386:"INVERT",5890:"TEXTURE",6401:"STENCIL_INDEX",6402:"DEPTH_COMPONENT",6406:"ALPHA",6407:"RGB",6408:"RGBA",6409:"LUMINANCE",6410:"LUMINANCE_ALPHA",7680:"KEEP",7681:"REPLACE",7682:"INCR",7683:"DECR",7936:"VENDOR",7937:"RENDERER",7938:"VERSION",9728:"NEAREST",9729:"LINEAR",9984:"NEAREST_MIPMAP_NEAREST",9985:"LINEAR_MIPMAP_NEAREST",9986:"NEAREST_MIPMAP_LINEAR",9987:"LINEAR_MIPMAP_LINEAR",10240:"TEXTURE_MAG_FILTER",10241:"TEXTURE_MIN_FILTER",10242:"TEXTURE_WRAP_S",10243:"TEXTURE_WRAP_T",10497:"REPEAT",10752:"POLYGON_OFFSET_UNITS",16384:"COLOR_BUFFER_BIT",32769:"CONSTANT_COLOR",32770:"ONE_MINUS_CONSTANT_COLOR",32771:"CONSTANT_ALPHA",32772:"ONE_MINUS_CONSTANT_ALPHA",32773:"BLEND_COLOR",32774:"FUNC_ADD",32777:"BLEND_EQUATION_RGB",32778:"FUNC_SUBTRACT",32779:"FUNC_REVERSE_SUBTRACT",32819:"UNSIGNED_SHORT_4_4_4_4",32820:"UNSIGNED_SHORT_5_5_5_1",32823:"POLYGON_OFFSET_FILL",32824:"POLYGON_OFFSET_FACTOR",32854:"RGBA4",32855:"RGB5_A1",32873:"TEXTURE_BINDING_2D",32926:"SAMPLE_ALPHA_TO_COVERAGE",32928:"SAMPLE_COVERAGE",32936:"SAMPLE_BUFFERS",32937:"SAMPLES",32938:"SAMPLE_COVERAGE_VALUE",32939:"SAMPLE_COVERAGE_INVERT",32968:"BLEND_DST_RGB",32969:"BLEND_SRC_RGB",32970:"BLEND_DST_ALPHA",32971:"BLEND_SRC_ALPHA",33071:"CLAMP_TO_EDGE",33170:"GENERATE_MIPMAP_HINT",33189:"DEPTH_COMPONENT16",33306:"DEPTH_STENCIL_ATTACHMENT",33635:"UNSIGNED_SHORT_5_6_5",33648:"MIRRORED_REPEAT",33901:"ALIASED_POINT_SIZE_RANGE",33902:"ALIASED_LINE_WIDTH_RANGE",33984:"TEXTURE0",33985:"TEXTURE1",33986:"TEXTURE2",33987:"TEXTURE3",33988:"TEXTURE4",33989:"TEXTURE5",33990:"TEXTURE6",33991:"TEXTURE7",33992:"TEXTURE8",33993:"TEXTURE9",33994:"TEXTURE10",33995:"TEXTURE11",33996:"TEXTURE12",33997:"TEXTURE13",33998:"TEXTURE14",33999:"TEXTURE15",34e3:"TEXTURE16",34001:"TEXTURE17",34002:"TEXTURE18",34003:"TEXTURE19",34004:"TEXTURE20",34005:"TEXTURE21",34006:"TEXTURE22",34007:"TEXTURE23",34008:"TEXTURE24",34009:"TEXTURE25",34010:"TEXTURE26",34011:"TEXTURE27",34012:"TEXTURE28",34013:"TEXTURE29",34014:"TEXTURE30",34015:"TEXTURE31",34016:"ACTIVE_TEXTURE",34024:"MAX_RENDERBUFFER_SIZE",34041:"DEPTH_STENCIL",34055:"INCR_WRAP",34056:"DECR_WRAP",34067:"TEXTURE_CUBE_MAP",34068:"TEXTURE_BINDING_CUBE_MAP",34069:"TEXTURE_CUBE_MAP_POSITIVE_X",34070:"TEXTURE_CUBE_MAP_NEGATIVE_X",34071:"TEXTURE_CUBE_MAP_POSITIVE_Y",34072:"TEXTURE_CUBE_MAP_NEGATIVE_Y",34073:"TEXTURE_CUBE_MAP_POSITIVE_Z",34074:"TEXTURE_CUBE_MAP_NEGATIVE_Z",34076:"MAX_CUBE_MAP_TEXTURE_SIZE",34338:"VERTEX_ATTRIB_ARRAY_ENABLED",34339:"VERTEX_ATTRIB_ARRAY_SIZE",34340:"VERTEX_ATTRIB_ARRAY_STRIDE",34341:"VERTEX_ATTRIB_ARRAY_TYPE",34342:"CURRENT_VERTEX_ATTRIB",34373:"VERTEX_ATTRIB_ARRAY_POINTER",34466:"NUM_COMPRESSED_TEXTURE_FORMATS",34467:"COMPRESSED_TEXTURE_FORMATS",34660:"BUFFER_SIZE",34661:"BUFFER_USAGE",34816:"STENCIL_BACK_FUNC",34817:"STENCIL_BACK_FAIL",34818:"STENCIL_BACK_PASS_DEPTH_FAIL",34819:"STENCIL_BACK_PASS_DEPTH_PASS",34877:"BLEND_EQUATION_ALPHA",34921:"MAX_VERTEX_ATTRIBS",34922:"VERTEX_ATTRIB_ARRAY_NORMALIZED",34930:"MAX_TEXTURE_IMAGE_UNITS",34962:"ARRAY_BUFFER",34963:"ELEMENT_ARRAY_BUFFER",34964:"ARRAY_BUFFER_BINDING",34965:"ELEMENT_ARRAY_BUFFER_BINDING",34975:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",35040:"STREAM_DRAW",35044:"STATIC_DRAW",35048:"DYNAMIC_DRAW",35632:"FRAGMENT_SHADER",35633:"VERTEX_SHADER",35660:"MAX_VERTEX_TEXTURE_IMAGE_UNITS",35661:"MAX_COMBINED_TEXTURE_IMAGE_UNITS",35663:"SHADER_TYPE",35664:"FLOAT_VEC2",35665:"FLOAT_VEC3",35666:"FLOAT_VEC4",35667:"INT_VEC2",35668:"INT_VEC3",35669:"INT_VEC4",35670:"BOOL",35671:"BOOL_VEC2",35672:"BOOL_VEC3",35673:"BOOL_VEC4",35674:"FLOAT_MAT2",35675:"FLOAT_MAT3",35676:"FLOAT_MAT4",35678:"SAMPLER_2D",35680:"SAMPLER_CUBE",35712:"DELETE_STATUS",35713:"COMPILE_STATUS",35714:"LINK_STATUS",35715:"VALIDATE_STATUS",35716:"INFO_LOG_LENGTH",35717:"ATTACHED_SHADERS",35718:"ACTIVE_UNIFORMS",35719:"ACTIVE_UNIFORM_MAX_LENGTH",35720:"SHADER_SOURCE_LENGTH",35721:"ACTIVE_ATTRIBUTES",35722:"ACTIVE_ATTRIBUTE_MAX_LENGTH",35724:"SHADING_LANGUAGE_VERSION",35725:"CURRENT_PROGRAM",36003:"STENCIL_BACK_REF",36004:"STENCIL_BACK_VALUE_MASK",36005:"STENCIL_BACK_WRITEMASK",36006:"FRAMEBUFFER_BINDING",36007:"RENDERBUFFER_BINDING",36048:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",36049:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",36050:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",36051:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",36053:"FRAMEBUFFER_COMPLETE",36054:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT",36055:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",36057:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS",36061:"FRAMEBUFFER_UNSUPPORTED",36064:"COLOR_ATTACHMENT0",36096:"DEPTH_ATTACHMENT",36128:"STENCIL_ATTACHMENT",36160:"FRAMEBUFFER",36161:"RENDERBUFFER",36162:"RENDERBUFFER_WIDTH",36163:"RENDERBUFFER_HEIGHT",36164:"RENDERBUFFER_INTERNAL_FORMAT",36168:"STENCIL_INDEX8",36176:"RENDERBUFFER_RED_SIZE",36177:"RENDERBUFFER_GREEN_SIZE",36178:"RENDERBUFFER_BLUE_SIZE",36179:"RENDERBUFFER_ALPHA_SIZE",36180:"RENDERBUFFER_DEPTH_SIZE",36181:"RENDERBUFFER_STENCIL_SIZE",36194:"RGB565",36336:"LOW_FLOAT",36337:"MEDIUM_FLOAT",36338:"HIGH_FLOAT",36339:"LOW_INT",36340:"MEDIUM_INT",36341:"HIGH_INT",36346:"SHADER_COMPILER",36347:"MAX_VERTEX_UNIFORM_VECTORS",36348:"MAX_VARYING_VECTORS",36349:"MAX_FRAGMENT_UNIFORM_VECTORS",37440:"UNPACK_FLIP_Y_WEBGL",37441:"UNPACK_PREMULTIPLY_ALPHA_WEBGL",37442:"CONTEXT_LOST_WEBGL",37443:"UNPACK_COLORSPACE_CONVERSION_WEBGL",37444:"BROWSER_DEFAULT_WEBGL"}},{}],105:[function(t,e,r){var n=t("./1.0/numbers");e.exports=function(t){return n[t]}},{"./1.0/numbers":104}],106:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=n,this.buffer=e,this.vao=r,this.pixelRatio=1,this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.lineWidth=[1,1,1],this.capSize=[10,10,10],this.lineCount=[0,0,0],this.lineOffset=[0,0,0],this.opacity=1}function i(t,e){for(var r=0;r<3;++r)t[0][r]=Math.min(t[0][r],e[r]),t[1][r]=Math.max(t[1][r],e[r])}function a(t,e,r,n){for(var i=f[n],a=0;a=1},c.isTransparent=function(){return this.opacity<1},c.drawTransparent=c.draw=function(t){var e=this.gl,r=this.shader.uniforms;this.shader.bind();var n=r.view=t.view||u,i=r.projection=t.projection||u;r.model=t.model||u,r.clipBounds=this.clipBounds,r.opacity=this.opacity;var a=n[12],o=n[13],s=n[14],l=n[15],c=this.pixelRatio*(i[3]*a+i[7]*o+i[11]*s+i[15]*l)/e.drawingBufferHeight;this.vao.bind();for(var f=0;f<3;++f)e.lineWidth(this.lineWidth[f]),r.capSize=this.capSize[f]*c,this.lineCount[f]&&e.drawArrays(e.LINES,this.lineOffset[f],this.lineCount[f]);this.vao.unbind()};var f=function(){for(var t=new Array(3),e=0;e<3;++e){for(var r=[],n=1;n<=2;++n)for(var i=-1;i<=1;i+=2){var a=[0,0,0];a[(n+e)%3]=i,r.push(a)}t[e]=r}return t}();c.update=function(t){"lineWidth"in(t=t||{})&&(this.lineWidth=t.lineWidth,Array.isArray(this.lineWidth)||(this.lineWidth=[this.lineWidth,this.lineWidth,this.lineWidth])),"capSize"in t&&(this.capSize=t.capSize,Array.isArray(this.capSize)||(this.capSize=[this.capSize,this.capSize,this.capSize])),"opacity"in t&&(this.opacity=t.opacity);var e=t.color||[[0,0,0],[0,0,0],[0,0,0]],r=t.position,n=t.error;if(Array.isArray(e[0])||(e=[e,e,e]),r&&n){var o=[],s=r.length,l=0;this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.lineCount=[0,0,0];for(var u=0;u<3;++u){this.lineOffset[u]=l;t:for(var c=0;c0){var g;(g=f.slice())[u]+=d[1][u],o.push(f[0],f[1],f[2],p[0],p[1],p[2],p[3],0,0,0,g[0],g[1],g[2],p[0],p[1],p[2],p[3],0,0,0),i(this.bounds,g),l+=2+a(o,g,p,u)}}}this.lineCount[u]=l-this.lineOffset[u]}this.buffer.update(o)}},c.dispose=function(){this.shader.dispose(),this.buffer.dispose(),this.vao.dispose()}},{"./shaders/index":108,"gl-buffer":103,"gl-vao":158}],107:[function(t,e,r){e.exports=function(t){"string"==typeof t&&(t=[t]);for(var e=[].slice.call(arguments,1),r=[],n=0;n1&&h.drawBuffersWEBGL(g[f]);var y=r.getExtension("WEBGL_depth_texture");y?d?t.depth=o(r,u,c,y.UNSIGNED_INT_24_8_WEBGL,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p&&(t.depth=o(r,u,c,r.UNSIGNED_SHORT,r.DEPTH_COMPONENT,r.DEPTH_ATTACHMENT)):p&&d?t._depth_rb=s(r,u,c,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p?t._depth_rb=s(r,u,c,r.DEPTH_COMPONENT16,r.DEPTH_ATTACHMENT):d&&(t._depth_rb=s(r,u,c,r.STENCIL_INDEX,r.STENCIL_ATTACHMENT));var b=r.checkFramebufferStatus(r.FRAMEBUFFER);if(b!==r.FRAMEBUFFER_COMPLETE){for(t._destroyed=!0,r.bindFramebuffer(r.FRAMEBUFFER,null),r.deleteFramebuffer(t.handle),t.handle=null,t.depth&&(t.depth.dispose(),t.depth=null),t._depth_rb&&(r.deleteRenderbuffer(t._depth_rb),t._depth_rb=null),m=0;ms||r<0||r>s)throw new Error("gl-fbo: Can't resize FBO, invalid dimensions");t._shape[0]=e,t._shape[1]=r;for(var l=n(o),u=0;ua||r<0||r>a)throw new Error("gl-fbo: Parameters are too large for FBO");var o=1;if("color"in(n=n||{})){if((o=Math.max(0|n.color,0))<0)throw new Error("gl-fbo: Must specify a nonnegative number of colors");if(o>1){if(!i)throw new Error("gl-fbo: Multiple draw buffer extension not supported");if(o>t.getParameter(i.MAX_COLOR_ATTACHMENTS_WEBGL))throw new Error("gl-fbo: Context does not support "+o+" draw buffers")}}var s=t.UNSIGNED_BYTE,u=t.getExtension("OES_texture_float");if(n.float&&o>0){if(!u)throw new Error("gl-fbo: Context does not support floating point textures");s=t.FLOAT}else n.preferFloat&&o>0&&u&&(s=t.FLOAT);var c=!0;"depth"in n&&(c=!!n.depth);var v=!1;return"stencil"in n&&(v=!!n.stencil),new l(t,e,r,s,o,c,v,i)};var f,h,d,p,g=null,v=l.prototype;Object.defineProperties(v,{shape:{get:function(){return this._destroyed?[0,0]:this._shapeVector},set:function(t){if(Array.isArray(t)||(t=[0|t,0|t]),2!==t.length)throw new Error("gl-fbo: Shape vector must be length 2");var e=0|t[0],r=0|t[1];return u(this,e,r),[e,r]},enumerable:!1},width:{get:function(){return this._destroyed?0:this._shape[0]},set:function(t){return t|=0,u(this,t,this._shape[1]),t},enumerable:!1},height:{get:function(){return this._destroyed?0:this._shape[1]},set:function(t){return t|=0,u(this,this._shape[0],t),t},enumerable:!1}}),v.bind=function(){if(!this._destroyed){var t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.handle),t.viewport(0,0,this._shape[0],this._shape[1])}},v.dispose=function(){if(!this._destroyed){this._destroyed=!0;var t=this.gl;t.deleteFramebuffer(this.handle),this.handle=null,this.depth&&(this.depth.dispose(),this.depth=null),this._depth_rb&&(t.deleteRenderbuffer(this._depth_rb),this._depth_rb=null);for(var e=0;e FLOAT_MAX) {\n return vec4(127.0, 128.0, 0.0, 0.0) / 255.0;\n } else if(v < -FLOAT_MAX) {\n return vec4(255.0, 128.0, 0.0, 0.0) / 255.0;\n }\n\n highp vec4 c = vec4(0,0,0,0);\n\n //Compute exponent and mantissa\n highp float e = floor(log2(av));\n highp float m = av * pow(2.0, -e) - 1.0;\n \n //Unpack mantissa\n c[1] = floor(128.0 * m);\n m -= c[1] / 128.0;\n c[2] = floor(32768.0 * m);\n m -= c[2] / 32768.0;\n c[3] = floor(8388608.0 * m);\n \n //Unpack exponent\n highp float ebias = e + 127.0;\n c[0] = floor(ebias / 2.0);\n ebias -= c[0] * 2.0;\n c[1] += floor(ebias) * 128.0; \n\n //Unpack sign bit\n c[0] += 128.0 * step(0.0, -v);\n\n //Scale back to range\n return c / 255.0;\n}\n\n\n\nuniform float pickId;\nuniform vec3 clipBounds[2];\n\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(worldPosition, clipBounds[0])) || any(greaterThan(worldPosition, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId/255.0, encode_float_1_0(pixelArcLength).xyz);\n}",null,a)}},{"gl-shader":143}],112:[function(t,e,r){"use strict";function n(t,e){for(var r=0,n=0;n<3;++n){var i=t[n]-e[n];r+=i*i}return Math.sqrt(r)}function i(t){for(var e=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],r=0;r<3;++r)e[0][r]=Math.max(t[0][r],e[0][r]),e[1][r]=Math.min(t[1][r],e[1][r]);return e}function a(t,e,r,n){this.arcLength=t,this.position=e,this.index=r,this.dataCoordinate=n}function o(t,e,r,n,i,a){this.gl=t,this.shader=e,this.pickShader=r,this.buffer=n,this.vao=i,this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.points=[],this.arcLength=[],this.vertexCount=0,this.bounds=[[0,0,0],[0,0,0]],this.pickId=0,this.lineWidth=1,this.texture=a,this.dashScale=1,this.opacity=1,this.dirty=!0,this.pixelRatio=1}e.exports=function(t){var e=t.gl||t.scene&&t.scene.gl,r=p(e);r.attributes.position.location=0,r.attributes.nextPosition.location=1,r.attributes.arcLength.location=2,r.attributes.lineWidth.location=3,r.attributes.color.location=4;var n=g(e);n.attributes.position.location=0,n.attributes.nextPosition.location=1,n.attributes.arcLength.location=2,n.attributes.lineWidth.location=3,n.attributes.color.location=4;for(var i=s(e),a=l(e,[{buffer:i,size:3,offset:0,stride:48},{buffer:i,size:3,offset:12,stride:48},{buffer:i,size:1,offset:24,stride:48},{buffer:i,size:1,offset:28,stride:48},{buffer:i,size:4,offset:32,stride:48}]),c=h(new Array(1024),[256,1,4]),f=0;f<1024;++f)c.data[f]=255;var d=u(e,c);d.wrap=e.REPEAT;var v=new o(e,r,n,i,a,d);return v.update(t),v};var s=t("gl-buffer"),l=t("gl-vao"),u=t("gl-texture2d"),c=t("glsl-read-float"),f=t("binary-search-bounds"),h=t("ndarray"),d=t("./lib/shaders"),p=d.createShader,g=d.createPickShader,v=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],m=o.prototype;m.isTransparent=function(){return this.opacity<1},m.isOpaque=function(){return this.opacity>=1},m.pickSlots=1,m.setPickBase=function(t){this.pickId=t},m.drawTransparent=m.draw=function(t){var e=this.gl,r=this.shader,n=this.vao;r.bind(),r.uniforms={model:t.model||v,view:t.view||v,projection:t.projection||v,clipBounds:i(this.clipBounds),dashTexture:this.texture.bind(),dashScale:this.dashScale/this.arcLength[this.arcLength.length-1],opacity:this.opacity,screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},m.drawPick=function(t){var e=this.gl,r=this.pickShader,n=this.vao;r.bind(),r.uniforms={model:t.model||v,view:t.view||v,projection:t.projection||v,pickId:this.pickId,clipBounds:i(this.clipBounds),screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},m.update=function(t){var e,r;this.dirty=!0;var i=!!t.connectGaps;"dashScale"in t&&(this.dashScale=t.dashScale),"opacity"in t&&(this.opacity=+t.opacity);var a=t.position||t.positions;if(a){var o=t.color||t.colors||[0,0,0,1],s=t.lineWidth||1,l=[],u=[],c=[],d=0,p=0,g=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],v=!1;t:for(e=1;e0){for(var b=0;b<24;++b)l.push(l[l.length-12]);p+=2,v=!0}continue t}g[0][r]=Math.min(g[0][r],m[r],y[r]),g[1][r]=Math.max(g[1][r],m[r],y[r])}var x,_;Array.isArray(o[0])?(x=o[e-1],_=o[e]):x=_=o,3===x.length&&(x=[x[0],x[1],x[2],1]),3===_.length&&(_=[_[0],_[1],_[2],1]);var w;w=Array.isArray(s)?s[e-1]:s;var M=d;if(d+=n(m,y),v){for(r=0;r<2;++r)l.push(m[0],m[1],m[2],y[0],y[1],y[2],M,w,x[0],x[1],x[2],x[3]);p+=2,v=!1}l.push(m[0],m[1],m[2],y[0],y[1],y[2],M,w,x[0],x[1],x[2],x[3],m[0],m[1],m[2],y[0],y[1],y[2],M,-w,x[0],x[1],x[2],x[3],y[0],y[1],y[2],m[0],m[1],m[2],d,-w,_[0],_[1],_[2],_[3],y[0],y[1],y[2],m[0],m[1],m[2],d,w,_[0],_[1],_[2],_[3]),p+=4}if(this.buffer.update(l),u.push(d),c.push(a[a.length-1].slice()),this.bounds=g,this.vertexCount=p,this.points=c,this.arcLength=u,"dashes"in t){var A=t.dashes.slice();for(A.unshift(0),e=1;e1.0001)return null;v+=g[c]}return Math.abs(v-1)>.001?null:[f,function(t,e){for(var r=[0,0,0],n=0;n 0.25) {\n discard;\n }\n gl_FragColor = f_color * texture2D(texture, f_uv) * opacity;\n}",attributes:[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"},{name:"pointSize",type:"float"}]},r.pickShader={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec4 id;\n\nuniform mat4 model, view, projection;\n\nvarying vec3 f_position;\nvarying vec4 f_id;\n\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n f_id = id;\n f_position = position;\n}",fragment:n,attributes:[{name:"position",type:"vec3"},{name:"id",type:"vec4"}]},r.pointPickShader={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute float pointSize;\nattribute vec4 id;\n\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\n\nvarying vec3 f_position;\nvarying vec4 f_id;\n\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) || \n any(greaterThan(position, clipBounds[1]))) {\n gl_Position = vec4(0,0,0,0);\n } else {\n gl_Position = projection * view * model * vec4(position, 1.0);\n gl_PointSize = pointSize;\n }\n f_id = id;\n f_position = position;\n}",fragment:n,attributes:[{name:"position",type:"vec3"},{name:"pointSize",type:"float"},{name:"id",type:"vec4"}]},r.contourShader={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\n\nuniform mat4 model, view, projection;\n\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n}",fragment:"precision mediump float;\n#define GLSLIFY 1\n\nuniform vec3 contourColor;\n\nvoid main() {\n gl_FragColor = vec4(contourColor,1);\n}\n",attributes:[{name:"position",type:"vec3"}]}},{}],135:[function(t,e,r){"use strict";function n(t,e,r,n,i,a,o,s,l,u,c,f,h,d,p,g,v,m,y,b,x,_,w,A,k,T,E){this.gl=t,this.cells=[],this.positions=[],this.intensity=[],this.texture=e,this.dirty=!0,this.triShader=r,this.lineShader=n,this.pointShader=i,this.pickShader=a,this.pointPickShader=o,this.contourShader=s,this.trianglePositions=l,this.triangleColors=c,this.triangleNormals=h,this.triangleUVs=f,this.triangleIds=u,this.triangleVAO=d,this.triangleCount=0,this.lineWidth=1,this.edgePositions=p,this.edgeColors=v,this.edgeUVs=m,this.edgeIds=g,this.edgeVAO=y,this.edgeCount=0,this.pointPositions=b,this.pointColors=_,this.pointUVs=w,this.pointSizes=A,this.pointIds=x,this.pointVAO=k,this.pointCount=0,this.contourLineWidth=1,this.contourPositions=T,this.contourVAO=E,this.contourCount=0,this.contourColor=[0,0,0],this.contourEnable=!0,this.pickId=1,this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.lightPosition=[1e5,1e5,0],this.ambientLight=.8,this.diffuseLight=.8,this.specularLight=2,this.roughness=.5,this.fresnel=1.5,this.opacity=1,this._model=M,this._view=M,this._projection=M,this._resolution=[1,1]}var i=t("gl-shader"),a=t("gl-buffer"),o=t("gl-vao"),s=t("gl-texture2d"),l=t("normals"),u=t("gl-mat4/multiply"),c=t("gl-mat4/invert"),f=t("ndarray"),h=t("colormap"),d=t("simplicial-complex-contour"),p=t("typedarray-pool"),g=t("./lib/shaders"),v=t("./lib/closest-point"),m=g.meshShader,y=g.wireShader,b=g.pointShader,x=g.pickShader,_=g.pointPickShader,w=g.contourShader,M=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],A=n.prototype;A.isOpaque=function(){return this.opacity>=1},A.isTransparent=function(){return this.opacity<1},A.pickSlots=1,A.setPickBase=function(t){this.pickId=t},A.highlight=function(t){if(t&&this.contourEnable){for(var e=d(this.cells,this.intensity,t.intensity),r=e.cells,n=e.vertexIds,i=e.vertexWeights,a=r.length,o=p.mallocFloat32(6*a),s=0,l=0;l0){(p=this.triShader).bind(),p.uniforms=s,this.triangleVAO.bind(),e.drawArrays(e.TRIANGLES,0,3*this.triangleCount),this.triangleVAO.unbind()}if(this.edgeCount>0&&this.lineWidth>0){(p=this.lineShader).bind(),p.uniforms=s,this.edgeVAO.bind(),e.lineWidth(this.lineWidth),e.drawArrays(e.LINES,0,2*this.edgeCount),this.edgeVAO.unbind()}if(this.pointCount>0){(p=this.pointShader).bind(),p.uniforms=s,this.pointVAO.bind(),e.drawArrays(e.POINTS,0,this.pointCount),this.pointVAO.unbind()}if(this.contourEnable&&this.contourCount>0&&this.contourLineWidth>0){var p;(p=this.contourShader).bind(),p.uniforms=s,this.contourVAO.bind(),e.drawArrays(e.LINES,0,this.contourCount),this.contourVAO.unbind()}},A.drawPick=function(t){t=t||{};for(var e=this.gl,r=t.model||M,n=t.view||M,i=t.projection||M,a=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],o=0;o<3;++o)a[0][o]=Math.max(a[0][o],this.clipBounds[0][o]),a[1][o]=Math.min(a[1][o],this.clipBounds[1][o]);this._model=[].slice.call(r),this._view=[].slice.call(n),this._projection=[].slice.call(i),this._resolution=[e.drawingBufferWidth,e.drawingBufferHeight];var s={model:r,view:n,projection:i,clipBounds:a,pickId:this.pickId/255};if((l=this.pickShader).bind(),l.uniforms=s,this.triangleCount>0&&(this.triangleVAO.bind(),e.drawArrays(e.TRIANGLES,0,3*this.triangleCount),this.triangleVAO.unbind()),this.edgeCount>0&&(this.edgeVAO.bind(),e.lineWidth(this.lineWidth),e.drawArrays(e.LINES,0,2*this.edgeCount),this.edgeVAO.unbind()),this.pointCount>0){var l;(l=this.pointPickShader).bind(),l.uniforms=s,this.pointVAO.bind(),e.drawArrays(e.POINTS,0,this.pointCount),this.pointVAO.unbind()}},A.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;for(var e=t.value[0]+256*t.value[1]+65536*t.value[2],r=this.cells[e],n=this.positions,i=new Array(r.length),a=0;a0){r=Math.round(Math.pow(10,e));return Math.ceil(t/r)*r}return Math.ceil(t)}function i(t){return"boolean"!=typeof t||t}e.exports=function(t){function e(){if(!b&&U.autoResize){var t=x.parentNode,e=1,r=1;t&&t!==document.body?(e=t.clientWidth,r=t.clientHeight):(e=window.innerWidth,r=window.innerHeight);var n=0|Math.ceil(e*U.pixelRatio),i=0|Math.ceil(r*U.pixelRatio);if(n!==x.width||i!==x.height){x.width=n,x.height=i;var a=x.style;a.position=a.position||"absolute",a.left="0px",a.top="0px",a.width=e+"px",a.height=r+"px",N=!0}}}function r(){for(var t=P.length,e=I.length,r=0;r0&&0===O[e-1];)O.pop(),I.pop().dispose()}function v(){if(U.contextLost)return!0;_.isContextLost()&&(U.contextLost=!0,U.mouseListener.enabled=!1,U.selection.object=null,U.oncontextloss&&U.oncontextloss())}function m(){if(!v()){e();var t=U.camera.tick();F.view=U.camera.matrix,N=N||t,D=D||t,L.pixelRatio=U.pixelRatio,S.pixelRatio=U.pixelRatio;var r=P.length,i=G[0],a=G[1];i[0]=i[1]=i[2]=1/0,a[0]=a[1]=a[2]=-1/0;for(var o=0;oM.distance)continue;for(var u=0;u1e-6?(i=Math.acos(a),o=Math.sin(i),s=Math.sin((1-n)*i)/o,l=Math.sin(n*i)/o):(s=1-n,l=n),t[0]=s*u+l*d,t[1]=s*c+l*p,t[2]=s*f+l*g,t[3]=s*h+l*v,t}},{}],139:[function(t,e,r){"use strict";var n=t("vectorize-text");e.exports=function(t,e){var r=i[e];if(r||(r=i[e]={}),t in r)return r[t];for(var a=n(t,{textAlign:"center",textBaseline:"middle",lineHeight:1,font:e}),o=n(t,{triangles:!0,textAlign:"center",textBaseline:"middle",lineHeight:1,font:e}),s=[[1/0,1/0],[-1/0,-1/0]],l=0;lMath.abs(D[1])){var z=N;N=D,D=z,z=O,O=I,I=z;var j=P;P=R,R=j}N[0]<0&&(O[P]=-1),D[1]>0&&(I[R]=-1);var F=0,B=0;for(S=0;S<4;++S)F+=Math.pow(d[4*P+S],2),B+=Math.pow(d[4*R+S],2);O[P]/=Math.sqrt(F),I[R]/=Math.sqrt(B),h.axes[0]=O,h.axes[1]=I,h.fragClipBounds[0]=l(k,E[0],L,-1e8),h.fragClipBounds[1]=l(k,E[1],L,1e8),e.vao.draw(f.TRIANGLES,e.vertexCount),e.lineWidth>0&&(f.lineWidth(e.lineWidth),e.vao.draw(f.LINES,e.lineVertexCount,e.vertexCount))}}function c(t,e,r,n,i,a){var o=r.gl;if(r.vao.bind(),i===r.opacity<1||a){t.bind();var s=t.uniforms;s.model=n.model||m,s.view=n.view||m,s.projection=n.projection||m,b[0]=2/o.drawingBufferWidth,b[1]=2/o.drawingBufferHeight,s.screenSize=b,s.highlightId=r.highlightId,s.highlightScale=r.highlightScale,s.fragClipBounds=E,s.clipBounds=r.axes.bounds,s.opacity=r.opacity,s.pickGroup=r.pickId/255,s.pixelRatio=r.pixelRatio,r.vao.draw(o.TRIANGLES,r.vertexCount),r.lineWidth>0&&(o.lineWidth(r.lineWidth),r.vao.draw(o.LINES,r.lineVertexCount,r.vertexCount))}u(e,r,n,i),r.vao.unbind()}var f=t("gl-buffer"),h=t("gl-vao"),d=t("typedarray-pool"),p=t("gl-mat4/multiply"),g=t("./lib/shaders"),v=t("./lib/glyphs"),m=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];e.exports=function(t){var e=t.gl,r=g.createPerspective(e),n=g.createOrtho(e),i=g.createProject(e),o=g.createPickPerspective(e),s=g.createPickOrtho(e),l=g.createPickProject(e),u=f(e),c=f(e),d=f(e),p=f(e),v=new a(e,r,n,i,u,c,d,p,h(e,[{buffer:u,size:3,type:e.FLOAT},{buffer:c,size:4,type:e.FLOAT},{buffer:d,size:2,type:e.FLOAT},{buffer:p,size:4,type:e.UNSIGNED_BYTE,normalized:!0}]),o,s,l);return v.update(t),v};var y=a.prototype;y.pickSlots=1,y.setPickBase=function(t){this.pickId=t},y.isTransparent=function(){if(this.opacity<1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]<1)return!0;return!1},y.isOpaque=function(){if(this.opacity>=1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]>=1)return!0;return!1};var b=[0,0],x=[0,0,0],_=[0,0,0],w=[0,0,0,1],M=[0,0,0,1],A=m.slice(),k=[0,0,0],T=[[0,0,0],[0,0,0]],E=[[-1e8,-1e8,-1e8],[1e8,1e8,1e8]];y.draw=function(t){c(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!1,!1)},y.drawTransparent=function(t){c(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!0,!1)},y.drawPick=function(t){c(this.useOrtho?this.pickOrthoShader:this.pickPerspectiveShader,this.pickProjectShader,this,t,!1,!0)},y.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;var e=t.value[2]+(t.value[1]<<8)+(t.value[0]<<16);if(e>=this.pointCount||e<0)return null;var r=this.points[e],n=this._selectResult;n.index=e;for(var i=0;i<3;++i)n.position[i]=n.dataCoordinate[i]=r[i];return n},y.highlight=function(t){if(t){var e=t.index,r=255&e,n=e>>8&255,i=e>>16&255;this.highlightId=[r/255,n/255,i/255,0]}else this.highlightId=[1,1,1,1]},y.update=function(t){if("perspective"in(t=t||{})&&(this.useOrtho=!t.perspective),"orthographic"in t&&(this.useOrtho=!!t.orthographic),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"project"in t)if(Array.isArray(t.project))this.axesProject=t.project;else{var e=!!t.project;this.axesProject=[e,e,e]}if("projectScale"in t)if(Array.isArray(t.projectScale))this.projectScale=t.projectScale.slice();else{var r=+t.projectScale;this.projectScale=[r,r,r]}if("projectOpacity"in t)if(Array.isArray(t.projectOpacity))this.projectOpacity=t.projectOpacity.slice();else{r=+t.projectOpacity;this.projectOpacity=[r,r,r]}"opacity"in t&&(this.opacity=t.opacity),this.dirty=!0;var n=t.position;if(n){var i=t.font||"normal",a=t.alignment||[0,0],o=[1/0,1/0,1/0],s=[-1/0,-1/0,-1/0],l=t.glyph,u=t.color,c=t.size,f=t.angle,h=t.lineColor,p=0,g=0,m=0,y=n.length;t:for(var b=0;b0&&(S[0]=-a[0]*(1+A[0][0]));var H=w.cells,q=w.positions;for(_=0;_this.buffer.length){a.free(this.buffer);for(var n=this.buffer=a.mallocUint8(s(r*e*4)),i=0;i=0){for(var A=0|M.type.charAt(M.type.length-1),k=new Array(A),T=0;T=0;)E+=1;_[w]=E}var L=new Array(r.length);f(),d._relink=f,d.types={uniforms:s(r),attributes:s(n)},d.attributes=o(p,d,b,_),Object.defineProperty(d,"uniforms",a(p,d,r,L))},e.exports=function(t,e,r,i,a){var o=new n(t);return o.update(e,r,i,a),o}},{"./lib/GLError":144,"./lib/create-attributes":145,"./lib/create-uniforms":146,"./lib/reflect":147,"./lib/runtime-reflect":148,"./lib/shader-cache":149}],144:[function(t,e,r){function n(t,e,r){this.shortMessage=e||"",this.longMessage=r||"",this.rawError=t||"",this.message="gl-shader: "+(e||t||"")+(r?"\n"+r:""),this.stack=(new Error).stack}(n.prototype=new Error).name="GLError",n.prototype.constructor=n,e.exports=n},{}],145:[function(t,e,r){"use strict";function n(t,e,r,n,i,a){this._gl=t,this._wrapper=e,this._index=r,this._locations=n,this._dimension=i,this._constFunc=a}function i(t,e,r,i,a,o,s){for(var l=["gl","v"],u=[],c=0;c=0){if((p=h.charCodeAt(h.length-1)-48)<2||p>4)throw new o("","Invalid data type for attribute "+f+": "+h);i(t,e,d[0],n,p,s,f)}else{if(!(h.indexOf("mat")>=0))throw new o("","Unknown data type for attribute "+f+": "+h);var p;if((p=h.charCodeAt(h.length-1)-48)<2||p>4)throw new o("","Invalid data type for attribute "+f+": "+h);a(t,e,d,n,p,s,f)}}}return s};var o=t("./GLError"),s=n.prototype;s.pointer=function(t,e,r,n){var i=this._gl,a=this._locations[this._index];i.vertexAttribPointer(a,this._dimension,t||i.FLOAT,!!e,r||0,n||0),i.enableVertexAttribArray(a)},s.set=function(t,e,r,n){return this._constFunc(this._locations[this._index],t,e,r,n)},Object.defineProperty(s,"location",{get:function(){return this._locations[this._index]},set:function(t){return t!==this._locations[this._index]&&(this._locations[this._index]=0|t,this._wrapper.program=null),0|t}})},{"./GLError":144}],146:[function(t,e,r){"use strict";function n(t){return new Function("y","return function(){return y}")(t)}function i(t,e){for(var r=new Array(t),n=0;n4)throw new o("","Invalid uniform dimension type for matrix "+name+": "+r);return"gl.uniformMatrix"+i+"fv(locations["+e+"],false,obj"+t+")"}throw new o("","Unknown uniform data type for "+name+": "+r)}var i;if((i=r.charCodeAt(r.length-1)-48)<2||i>4)throw new o("","Invalid data type");switch(r.charAt(0)){case"b":case"i":return"gl.uniform"+i+"iv(locations["+e+"],obj"+t+")";case"v":return"gl.uniform"+i+"fv(locations["+e+"],obj"+t+")";default:throw new o("","Unrecognized data type for vector "+name+": "+r)}}}function u(t,e){if("object"!=typeof e)return[[t,e]];var r=[];for(var n in e){var i=e[n],a=t;parseInt(n)+""===n?a+="["+n+"]":a+="."+n,"object"==typeof i?r.push.apply(r,u(a,i)):r.push([a,i])}return r}function c(e){for(var n=["return function updateProperty(obj){"],i=u("",e),a=0;a4)throw new o("","Invalid data type");return"b"===t.charAt(0)?i(r,!1):i(r,0)}if(0===t.indexOf("mat")&&4===t.length){var r;if((r=t.charCodeAt(t.length-1)-48)<2||r>4)throw new o("","Invalid uniform dimension type for matrix "+name+": "+t);return i(r*r,0)}throw new o("","Unknown uniform data type for "+name+": "+t)}}(r[u].type)}function h(t){var e;if(Array.isArray(t)){e=new Array(t.length);for(var r=0;r1){s[0]in a||(a[s[0]]=[]),a=a[s[0]];for(var l=1;l1)for(var l=0;l0)][r],x(l,t.model,l);var u=D.clipBounds[r];for(i=0;i<2;++i)for(n=0;n<3;++n)u[i][n]=t.clipBounds[i][n];u[0][r]=-1e8,u[1][r]=1e8}return D.showSurface=o,D.showContour=s,D}function a(t,e){t=t||{};var r=this.gl;r.disable(r.CULL_FACE),this._colorMap.bind(0);var n=z;n.model=t.model||S,n.view=t.view||S,n.projection=t.projection||S,n.lowerBound=[this.bounds[0][0],this.bounds[0][1],this.colorBounds[0]||this.bounds[0][2]],n.upperBound=[this.bounds[1][0],this.bounds[1][1],this.colorBounds[1]||this.bounds[1][2]],n.contourColor=this.contourColor[0],n.inverseModel=_(n.inverseModel,n.model);for(var a=0;a<2;++a)for(var o=n.clipBounds[a],s=0;s<3;++s)o[s]=Math.min(Math.max(this.clipBounds[a][s],-1e8),1e8);n.kambient=this.ambientLight,n.kdiffuse=this.diffuseLight,n.kspecular=this.specularLight,n.roughness=this.roughness,n.fresnel=this.fresnel,n.opacity=this.opacity,n.height=0,n.permutation=F,n.vertexColor=this.vertexColor;var l=j;for(x(l,n.view,n.model),x(l,n.projection,l),_(l,l),a=0;a<3;++a)n.eyePosition[a]=l[12+a]/l[15];var u=l[15];for(a=0;a<3;++a)u+=this.lightPosition[a]*l[4*a+3];for(a=0;a<3;++a){var c=l[12+a];for(s=0;s<3;++s)c+=l[4*s+a]*this.lightPosition[s];n.lightPosition[a]=c/u}var f=i(n,this);if(f.showSurface&&e===this.opacity<1){for(this._shader.bind(),this._shader.uniforms=n,this._vao.bind(),this.showSurface&&this._vertexCount&&this._vao.draw(r.TRIANGLES,this._vertexCount),a=0;a<3;++a)this.surfaceProject[a]&&this.vertexCount&&(this._shader.uniforms.model=f.projections[a],this._shader.uniforms.clipBounds=f.clipBounds[a],this._vao.draw(r.TRIANGLES,this._vertexCount));this._vao.unbind()}if(f.showContour&&!e){var h=this._contourShader;n.kambient=1,n.kdiffuse=0,n.kspecular=0,n.opacity=1,h.bind(),h.uniforms=n;var d=this._contourVAO;for(d.bind(),a=0;a<3;++a)for(h.uniforms.permutation=R[a],r.lineWidth(this.contourWidth[a]),s=0;s=1)return!0;for(var t=0;t<3;++t)if(this._contourCounts[t].length>0||this._dynamicCounts[t]>0)return!0;return!1},I.pickSlots=1,I.setPickBase=function(t){this.pickId=t};var N=[0,0,0],D={showSurface:!1,showContour:!1,projections:[S.slice(),S.slice(),S.slice()],clipBounds:[[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]]]},z={model:S,view:S,projection:S,inverseModel:S.slice(),lowerBound:[0,0,0],upperBound:[0,0,0],colorMap:0,clipBounds:[[0,0,0],[0,0,0]],height:0,contourTint:0,contourColor:[0,0,0,1],permutation:[1,0,0,0,1,0,0,0,1],zOffset:-1e-4,kambient:1,kdiffuse:1,kspecular:1,lightPosition:[1e3,1e3,1e3],eyePosition:[0,0,0],roughness:1,fresnel:1,opacity:1,vertexColor:0},j=S.slice(),F=[1,0,0,0,1,0,0,0,1];I.draw=function(t){return a.call(this,t,!1)},I.drawTransparent=function(t){return a.call(this,t,!0)};var B={model:S,view:S,projection:S,inverseModel:S,clipBounds:[[0,0,0],[0,0,0]],height:0,shape:[0,0],pickId:0,lowerBound:[0,0,0],upperBound:[0,0,0],zOffset:0,permutation:[1,0,0,0,1,0,0,0,1],lightPosition:[0,0,0],eyePosition:[0,0,0]};I.drawPick=function(t){t=t||{};var e=this.gl;e.disable(e.CULL_FACE);var r=B;r.model=t.model||S,r.view=t.view||S,r.projection=t.projection||S,r.shape=this._field[2].shape,r.pickId=this.pickId/255,r.lowerBound=this.bounds[0],r.upperBound=this.bounds[1],r.permutation=F;for(var n=0;n<2;++n)for(var a=r.clipBounds[n],o=0;o<3;++o)a[o]=Math.min(Math.max(this.clipBounds[n][o],-1e8),1e8);var s=i(r,this);if(s.showSurface){for(this._pickShader.bind(),this._pickShader.uniforms=r,this._vao.bind(),this._vao.draw(e.TRIANGLES,this._vertexCount),n=0;n<3;++n)this.surfaceProject[n]&&(this._pickShader.uniforms.model=s.projections[n],this._pickShader.uniforms.clipBounds=s.clipBounds[n],this._vao.draw(e.TRIANGLES,this._vertexCount));this._vao.unbind()}if(s.showContour){var l=this._contourPickShader;l.bind(),l.uniforms=r;var u=this._contourVAO;for(u.bind(),o=0;o<3;++o)for(e.lineWidth(this.contourWidth[o]),l.uniforms.permutation=R[o],n=0;n>4)/16)/255,i=Math.floor(n),a=n-i,o=e[1]*(t.value[1]+(15&t.value[2])/16)/255,s=Math.floor(o),l=o-s;i+=1,s+=1;var u=r.position;u[0]=u[1]=u[2]=0;for(var c=0;c<2;++c)for(var f=c?a:1-a,h=0;h<2;++h)for(var d=i+c,p=s+h,g=f*(h?l:1-l),v=0;v<3;++v)u[v]+=this._field[v].get(d,p)*g;for(var m=this._pickResult.level,y=0;y<3;++y)if(m[y]=w.le(this.contourLevels[y],u[y]),m[y]<0)this.contourLevels[y].length>0&&(m[y]=0);else if(m[y]Math.abs(x-u[y])&&(m[y]+=1)}for(r.index[0]=a<.5?i:i+1,r.index[1]=l<.5?s:s+1,r.uv[0]=n/e[0],r.uv[1]=o/e[1],v=0;v<3;++v)r.dataCoordinate[v]=this._field[v].get(r.index[0],r.index[1]);return r},I.update=function(t){t=t||{},this.dirty=!0,"contourWidth"in t&&(this.contourWidth=s(t.contourWidth,Number)),"showContour"in t&&(this.showContour=s(t.showContour,Boolean)),"showSurface"in t&&(this.showSurface=!!t.showSurface),"contourTint"in t&&(this.contourTint=s(t.contourTint,Boolean)),"contourColor"in t&&(this.contourColor=u(t.contourColor)),"contourProject"in t&&(this.contourProject=s(t.contourProject,function(t){return s(t,Boolean)})),"surfaceProject"in t&&(this.surfaceProject=t.surfaceProject),"dynamicColor"in t&&(this.dynamicColor=u(t.dynamicColor)),"dynamicTint"in t&&(this.dynamicTint=s(t.dynamicTint,Number)),"dynamicWidth"in t&&(this.dynamicWidth=s(t.dynamicWidth,Number)),"opacity"in t&&(this.opacity=t.opacity),"colorBounds"in t&&(this.colorBounds=t.colorBounds),"vertexColor"in t&&(this.vertexColor=t.vertexColor?1:0);var e=t.field||t.coords&&t.coords[2]||null,r=!1;if(e||(e=this._field[2].shape[0]||this._field[2].shape[2]?this._field[2].lo(1,1).hi(this._field[2].shape[0]-2,this._field[2].shape[1]-2):this._field[2].hi(0,0)),"field"in t||"coords"in t){var n=(e.shape[0]+2)*(e.shape[1]+2);n>this._field[2].data.length&&(p.freeFloat(this._field[2].data),this._field[2].data=p.mallocFloat(c.nextPow2(n))),this._field[2]=y(this._field[2].data,[e.shape[0]+2,e.shape[1]+2]),o(this._field[2],e),this.shape=e.shape.slice();for(var i=this.shape,a=0;a<2;++a)this._field[2].size>this._field[a].data.length&&(p.freeFloat(this._field[a].data),this._field[a].data=p.mallocFloat(this._field[2].size)),this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2]);if(t.coords){var l=t.coords;if(!Array.isArray(l)||3!==l.length)throw new Error("gl-surface: invalid coordinates for x/y");for(a=0;a<2;++a){var f=l[a];for(w=0;w<2;++w)if(f.shape[w]!==i[w])throw new Error("gl-surface: coords have incorrect shape");o(this._field[a],f)}}else if(t.ticks){var h=t.ticks;if(!Array.isArray(h)||2!==h.length)throw new Error("gl-surface: invalid ticks");for(a=0;a<2;++a){var d=h[a];if((Array.isArray(d)||d.length)&&(d=y(d)),d.shape[0]!==i[a])throw new Error("gl-surface: invalid tick length");var x=y(d.data,i);x.stride[a]=d.stride[0],x.stride[1^a]=0,o(this._field[a],x)}}else{for(a=0;a<2;++a){var _=[0,0];_[a]=1,this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2],_,0)}this._field[0].set(0,0,0);for(var w=0;w0){for(var Mt=0;Mt<5;++Mt)nt.pop();X-=1}continue t}nt.push(st[0],st[1],ct[0],ct[1],st[2]),X+=1}}ot.push(X)}this._contourOffsets[it]=at,this._contourCounts[it]=ot}var At=p.mallocFloat(nt.length);for(a=0;ai||r<0||r>i)throw new Error("gl-texture2d: Invalid texture size");return t._shape=[e,r],t.bind(),n.texImage2D(n.TEXTURE_2D,0,t.format,e,r,0,t.format,t.type,null),t._mipLevels=[0],t}function a(t,e,r,n,i,a){this.gl=t,this.handle=e,this.format=i,this.type=a,this._shape=[r,n],this._mipLevels=[0],this._magFilter=t.NEAREST,this._minFilter=t.NEAREST,this._wrapS=t.CLAMP_TO_EDGE,this._wrapT=t.CLAMP_TO_EDGE,this._anisoSamples=1;var o=this,s=[this._wrapS,this._wrapT];Object.defineProperties(s,[{get:function(){return o._wrapS},set:function(t){return o.wrapS=t}},{get:function(){return o._wrapT},set:function(t){return o.wrapT=t}}]),this._wrapVector=s;var l=[this._shape[0],this._shape[1]];Object.defineProperties(l,[{get:function(){return o._shape[0]},set:function(t){return o.width=t}},{get:function(){return o._shape[1]},set:function(t){return o.height=t}}]),this._shapeVector=l}function o(t,e){return 3===t.length?1===e[2]&&e[1]===t[0]*t[2]&&e[0]===t[2]:1===e[0]&&e[1]===t[0]}function s(t){var e=t.createTexture();return t.bindTexture(t.TEXTURE_2D,e),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e}function l(t,e,r,n,i){var o=t.getParameter(t.MAX_TEXTURE_SIZE);if(e<0||e>o||r<0||r>o)throw new Error("gl-texture2d: Invalid texture shape");if(i===t.FLOAT&&!t.getExtension("OES_texture_float"))throw new Error("gl-texture2d: Floating point textures not supported on this platform");var l=s(t);return t.texImage2D(t.TEXTURE_2D,0,n,e,r,0,n,i,null),new a(t,l,e,r,n,i)}var u=t("ndarray"),c=t("ndarray-ops"),f=t("typedarray-pool");e.exports=function(t){if(arguments.length<=1)throw new Error("gl-texture2d: Missing arguments for texture2d constructor");if(h||function(t){h=[t.LINEAR,t.NEAREST_MIPMAP_LINEAR,t.LINEAR_MIPMAP_NEAREST,t.LINEAR_MIPMAP_NEAREST],d=[t.NEAREST,t.LINEAR,t.NEAREST_MIPMAP_NEAREST,t.NEAREST_MIPMAP_LINEAR,t.LINEAR_MIPMAP_NEAREST,t.LINEAR_MIPMAP_LINEAR],p=[t.REPEAT,t.CLAMP_TO_EDGE,t.MIRRORED_REPEAT]}(t),"number"==typeof arguments[1])return l(t,arguments[1],arguments[2],arguments[3]||t.RGBA,arguments[4]||t.UNSIGNED_BYTE);if(Array.isArray(arguments[1]))return l(t,0|arguments[1][0],0|arguments[1][1],arguments[2]||t.RGBA,arguments[3]||t.UNSIGNED_BYTE);if("object"==typeof arguments[1]){var e=arguments[1],r=n(e)?e:e.raw;if(r)return function(t,e,r,n,i,o){var l=s(t);return t.texImage2D(t.TEXTURE_2D,0,i,i,o,e),new a(t,l,r,n,i,o)}(t,r,0|e.width,0|e.height,arguments[2]||t.RGBA,arguments[3]||t.UNSIGNED_BYTE);if(e.shape&&e.data&&e.stride)return function(t,e){var r=e.dtype,n=e.shape.slice(),i=t.getParameter(t.MAX_TEXTURE_SIZE);if(n[0]<0||n[0]>i||n[1]<0||n[1]>i)throw new Error("gl-texture2d: Invalid texture size");var l=o(n,e.stride.slice()),h=0;"float32"===r?h=t.FLOAT:"float64"===r?(h=t.FLOAT,l=!1,r="float32"):"uint8"===r?h=t.UNSIGNED_BYTE:(h=t.UNSIGNED_BYTE,l=!1,r="uint8");var d=0;if(2===n.length)d=t.LUMINANCE,n=[n[0],n[1],1],e=u(e.data,n,[e.stride[0],e.stride[1],1],e.offset);else{if(3!==n.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===n[2])d=t.ALPHA;else if(2===n[2])d=t.LUMINANCE_ALPHA;else if(3===n[2])d=t.RGB;else{if(4!==n[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");d=t.RGBA}}h!==t.FLOAT||t.getExtension("OES_texture_float")||(h=t.UNSIGNED_BYTE,l=!1);var p,v,m=e.size;if(l)p=0===e.offset&&e.data.length===m?e.data:e.data.subarray(e.offset,e.offset+m);else{var y=[n[2],n[2]*n[0],1];v=f.malloc(m,r);var b=u(v,n,y,0);"float32"!==r&&"float64"!==r||h!==t.UNSIGNED_BYTE?c.assign(b,e):g(b,e),p=v.subarray(0,m)}var x=s(t);return t.texImage2D(t.TEXTURE_2D,0,d,n[0],n[1],0,d,h,p),l||f.free(v),new a(t,x,n[0],n[1],d,h)}(t,e)}throw new Error("gl-texture2d: Invalid arguments for texture2d constructor")};var h=null,d=null,p=null,g=function(t,e){c.muls(t,e,255)},v=a.prototype;Object.defineProperties(v,{minFilter:{get:function(){return this._minFilter},set:function(t){this.bind();var e=this.gl;if(this.type===e.FLOAT&&h.indexOf(t)>=0&&(e.getExtension("OES_texture_float_linear")||(t=e.NEAREST)),d.indexOf(t)<0)throw new Error("gl-texture2d: Unknown filter mode "+t);return e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,t),this._minFilter=t}},magFilter:{get:function(){return this._magFilter},set:function(t){this.bind();var e=this.gl;if(this.type===e.FLOAT&&h.indexOf(t)>=0&&(e.getExtension("OES_texture_float_linear")||(t=e.NEAREST)),d.indexOf(t)<0)throw new Error("gl-texture2d: Unknown filter mode "+t);return e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,t),this._magFilter=t}},mipSamples:{get:function(){return this._anisoSamples},set:function(t){var e=this._anisoSamples;if(this._anisoSamples=0|Math.max(t,1),e!==this._anisoSamples){var r=this.gl.getExtension("EXT_texture_filter_anisotropic");r&&this.gl.texParameterf(this.gl.TEXTURE_2D,r.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}return this._anisoSamples}},wrapS:{get:function(){return this._wrapS},set:function(t){if(this.bind(),p.indexOf(t)<0)throw new Error("gl-texture2d: Unknown wrap mode "+t);return this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,t),this._wrapS=t}},wrapT:{get:function(){return this._wrapT},set:function(t){if(this.bind(),p.indexOf(t)<0)throw new Error("gl-texture2d: Unknown wrap mode "+t);return this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,t),this._wrapT=t}},wrap:{get:function(){return this._wrapVector},set:function(t){if(Array.isArray(t)||(t=[t,t]),2!==t.length)throw new Error("gl-texture2d: Must specify wrap mode for rows and columns");for(var e=0;e<2;++e)if(p.indexOf(t[e])<0)throw new Error("gl-texture2d: Unknown wrap mode "+t);this._wrapS=t[0],this._wrapT=t[1];var r=this.gl;return this.bind(),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,this._wrapS),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,this._wrapT),t}},shape:{get:function(){return this._shapeVector},set:function(t){if(Array.isArray(t)){if(2!==t.length)throw new Error("gl-texture2d: Invalid texture shape")}else t=[0|t,0|t];return i(this,0|t[0],0|t[1]),[0|t[0],0|t[1]]}},width:{get:function(){return this._shape[0]},set:function(t){return t|=0,i(this,t,this._shape[1]),t}},height:{get:function(){return this._shape[1]},set:function(t){return t|=0,i(this,this._shape[0],t),t}}}),v.bind=function(t){var e=this.gl;return void 0!==t&&e.activeTexture(e.TEXTURE0+(0|t)),e.bindTexture(e.TEXTURE_2D,this.handle),void 0!==t?0|t:e.getParameter(e.ACTIVE_TEXTURE)-e.TEXTURE0},v.dispose=function(){this.gl.deleteTexture(this.handle)},v.generateMipmap=function(){this.bind(),this.gl.generateMipmap(this.gl.TEXTURE_2D);for(var t=Math.min(this._shape[0],this._shape[1]),e=0;t>0;++e,t>>>=1)this._mipLevels.indexOf(e)<0&&this._mipLevels.push(e)},v.setPixels=function(t,e,r,i){var a=this.gl;this.bind(),Array.isArray(e)?(i=r,r=0|e[1],e=0|e[0]):(e=e||0,r=r||0),i=i||0;var s=n(t)?t:t.raw;if(s){this._mipLevels.indexOf(i)<0?(a.texImage2D(a.TEXTURE_2D,0,this.format,this.format,this.type,s),this._mipLevels.push(i)):a.texSubImage2D(a.TEXTURE_2D,i,e,r,this.format,this.type,s)}else{if(!(t.shape&&t.stride&&t.data))throw new Error("gl-texture2d: Unsupported data type");if(t.shape.length<2||e+t.shape[1]>this._shape[1]>>>i||r+t.shape[0]>this._shape[0]>>>i||e<0||r<0)throw new Error("gl-texture2d: Texture dimensions are out of bounds");!function(t,e,r,n,i,a,s,l){var h=l.dtype,d=l.shape.slice();if(d.length<2||d.length>3)throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d");var p=0,v=0,m=o(d,l.stride.slice());if("float32"===h?p=t.FLOAT:"float64"===h?(p=t.FLOAT,m=!1,h="float32"):"uint8"===h?p=t.UNSIGNED_BYTE:(p=t.UNSIGNED_BYTE,m=!1,h="uint8"),2===d.length)v=t.LUMINANCE,d=[d[0],d[1],1],l=u(l.data,d,[l.stride[0],l.stride[1],1],l.offset);else{if(3!==d.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===d[2])v=t.ALPHA;else if(2===d[2])v=t.LUMINANCE_ALPHA;else if(3===d[2])v=t.RGB;else{if(4!==d[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");v=t.RGBA}d[2]}if(v!==t.LUMINANCE&&v!==t.ALPHA||i!==t.LUMINANCE&&i!==t.ALPHA||(v=i),v!==i)throw new Error("gl-texture2d: Incompatible texture format for setPixels");var 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p,m,y=c.readability(d.color,u)<1.5?v.contrast(u):d.color,b=n.spikemode,x=n.spikethickness,_=n.spikecolor||y,w=n._boundingBox,M=(w.left+w.right)/2=2/3},r.isCenterAnchor=function(t){return"center"===t.xanchor||"auto"===t.xanchor&&t.x>1/3&&t.x<2/3},r.isBottomAnchor=function(t){return"bottom"===t.yanchor||"auto"===t.yanchor&&t.y<=1/3},r.isMiddleAnchor=function(t){return"middle"===t.yanchor||"auto"===t.yanchor&&t.y>1/3&&t.y<2/3}},{}],350:[function(t,e,r){"use strict";var n=t("../../plots/font_attributes"),i=t("../color/attributes");e.exports={bgcolor:{valType:"color",editType:"legend"},bordercolor:{valType:"color",dflt:i.defaultLine,editType:"legend"},borderwidth:{valType:"number",min:0,dflt:0,editType:"legend"},font:n({editType:"legend"}),orientation:{valType:"enumerated",values:["v","h"],dflt:"v",editType:"legend"},traceorder:{valType:"flaglist",flags:["reversed","grouped"],extras:["normal"],editType:"legend"},tracegroupgap:{valType:"number",min:0,dflt:10,editType:"legend"},x:{valType:"number",min:-2,max:3,dflt:1.02,editType:"legend"},xanchor:{valType:"enumerated",values:["auto","left","center","right"],dflt:"left",editType:"legend"},y:{valType:"number",min:-2,max:3,dflt:1,editType:"legend"},yanchor:{valType:"enumerated",values:["auto","top","middle","bottom"],dflt:"auto",editType:"legend"},editType:"legend"}},{"../../plots/font_attributes":491,"../color/attributes":297}],351:[function(t,e,r){"use 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r=t._fullLayout,g="legend"+r._uid;if(r._infolayer&&t.calcdata){t._legendMouseDownTime||(t._legendMouseDownTime=0);var y=r.legend,b=r.showlegend&&x(t.calcdata,y),w=r.hiddenlabels||[];if(!r.showlegend||!b.length)return r._infolayer.selectAll(".legend").remove(),r._topdefs.select("#"+g).remove(),void c.autoMargin(t,"legend");var k=r._infolayer.selectAll("g.legend").data([0]);k.enter().append("g").attr({class:"legend","pointer-events":"all"});var T=r._topdefs.selectAll("#"+g).data([0]);T.enter().append("clipPath").attr("id",g).append("rect");var E=k.selectAll("rect.bg").data([0]);E.enter().append("rect").attr({class:"bg","shape-rendering":"crispEdges"}),E.call(p.stroke,y.bordercolor),E.call(p.fill,y.bgcolor),E.style("stroke-width",y.borderwidth+"px");var L=k.selectAll("g.scrollbox").data([0]);L.enter().append("g").attr("class","scrollbox");var C=k.selectAll("rect.scrollbar").data([0]);C.enter().append("rect").attr({class:"scrollbar",rx:20,ry:2,width:0,height:0}).call(p.fill,"#808BA4");var S=L.selectAll("g.groups").data(b);S.enter().append("g").attr("class","groups"),S.exit().remove();var P=S.selectAll("g.traces").data(u.identity);P.enter().append("g").attr("class","traces"),P.exit().remove(),P.call(_,t).style("opacity",function(t){var e=t[0].trace;return f.traceIs(e,"pie")?-1!==w.indexOf(t[0].label)?.5:1:"legendonly"===e.visible?.5:1}).each(function(){s.select(this).call(n,t).call(i,t)});var R=0!==k.enter().size();R&&(a(t,S,P),o(t));var O=r.width,I=r.height;a(t,S,P),y.height>I?function(t){var e=t._fullLayout.legend,r="left";M.isRightAnchor(e)?r="right":M.isCenterAnchor(e)&&(r="center"),c.autoMargin(t,"legend",{x:e.x,y:.5,l:e.width*({right:1,center:.5}[r]||0),r:e.width*({left:1,center:.5}[r]||0),b:0,t:0})}(t):o(t);var N=r._size,D=N.l+N.w*y.x,z=N.t+N.h*(1-y.y);M.isRightAnchor(y)?D-=y.width:M.isCenterAnchor(y)&&(D-=y.width/2),M.isBottomAnchor(y)?z-=y.height:M.isMiddleAnchor(y)&&(z-=y.height/2);var 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W=n.svg.axis().scale(r).ticks(5).tickSize(5);q.call(W).attr({transform:"rotate("+h.radialAxis.orientation+")"}),q.selectAll(".domain").style(z),q.selectAll("g>text").text(function(t,e){return this.textContent+h.radialAxis.ticksSuffix}).style(j).style({"text-anchor":"start"}).attr({x:0,y:0,dx:0,dy:0,transform:function(t,e){return"horizontal"===h.radialAxis.tickOrientation?"rotate("+-h.radialAxis.orientation+") translate("+[0,j["font-size"]]+")":"translate("+[0,j["font-size"]]+")"}}),q.selectAll("g>line").style({stroke:"black"})}var Y=t.select(".angular.axis-group").selectAll("g.angular-tick").data(R),Z=Y.enter().append("g").classed("angular-tick",!0);Y.attr({transform:function(t,e){return"rotate("+u(t)+")"}}).style({display:h.angularAxis.visible?"block":"none"}),Y.exit().remove(),Z.append("line").classed("grid-line",!0).classed("major",function(t,e){return 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n=e*Math.PI/180;return[e,t(n)]})},o.util.dataFromEquation=function(t,e,r){var i=e||6,a=[],o=[];n.range(0,360+i,i).forEach(function(e,r){var n=e*Math.PI/180,i=t(n);a.push(e),o.push(i)});var s={t:a,r:o};return r&&(s.name=r),s},o.util.ensureArray=function(t,e){if(void 0===t)return null;var r=[].concat(t);return n.range(e).map(function(t,e){return r[e]||r[0]})},o.util.fillArrays=function(t,e,r){return e.forEach(function(e,n){t[e]=o.util.ensureArray(t[e],r)}),t},o.util.cloneJson=function(t){return JSON.parse(JSON.stringify(t))},o.util.validateKeys=function(t,e){"string"==typeof e&&(e=e.split("."));var r=e.shift();return t[r]&&(!e.length||objHasKeys(t[r],e))},o.util.sumArrays=function(t,e){return n.zip(t,e).map(function(t,e){return n.sum(t)})},o.util.arrayLast=function(t){return t[t.length-1]},o.util.arrayEqual=function(t,e){for(var r=Math.max(t.length,e.length,1);r-- >=0&&t[r]===e[r];);return-2===r},o.util.flattenArray=function(t){for(var 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o.PolyChart()},o.DotPlot.defaultConfig=function(){return{geometryConfig:{geometryType:"dot",dotType:"circle"}}},o.LinePlot=function(){return o.PolyChart()},o.LinePlot.defaultConfig=function(){return{geometryConfig:{geometryType:"line"}}},o.Legend=function(){function t(){var r=e.legendConfig,a=e.data.map(function(t,e){return[].concat(t).map(function(t,n){var a=i({},r.elements[e]);return a.name=t,a.color=[].concat(r.elements[e].color)[n],a})}),o=n.merge(a);o=o.filter(function(t,e){return r.elements[e]&&(r.elements[e].visibleInLegend||void 0===r.elements[e].visibleInLegend)}),r.reverseOrder&&(o=o.reverse());var s=r.container;("string"==typeof s||s.nodeName)&&(s=n.select(s));var l=o.map(function(t,e){return t.color}),u=r.fontSize,c=null==r.isContinuous?"number"==typeof 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y=h.select(".legend-marks").selectAll("path.legend-mark").data(o);y.enter().append("path").classed("legend-mark",!0),y.attr({transform:function(t,e){return"translate("+[u/2,v(e)+u/2]+")"},d:function(t,e){return function(t,e){var r=3*e;return"line"===t?"M"+[[-e/2,-e/12],[e/2,-e/12],[e/2,e/12],[-e/2,e/12]]+"Z":-1!=n.svg.symbolTypes.indexOf(t)?n.svg.symbol().type(t).size(r)():n.svg.symbol().type("square").size(r)()}(t.symbol,u)},fill:function(t,e){return g(e)}}),y.exit().remove()}var b=n.svg.axis().scale(v).orient("right"),x=h.select("g.legend-axis").attr({transform:"translate("+[c?r.colorBandWidth:u,u/2]+")"}).call(b);return x.selectAll(".domain").style({fill:"none",stroke:"none"}),x.selectAll("line").style({fill:"none",stroke:c?r.textColor:"none"}),x.selectAll("text").style({fill:r.textColor,"font-size":r.fontSize}).text(function(t,e){return o[e].name}),t}var e=o.Legend.defaultConfig(),r=n.dispatch("hover");return t.config=function(t){return 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h=a.padding,d=e.node().getBBox(),p={fill:a.color,stroke:s,"stroke-width":"2px"},g=d.width+2*h+l,v=d.height+2*h;return r.attr({d:"M"+[[l,-v/2],[l,-v/4],[a.hasTick?0:l,0],[l,v/4],[l,v/2],[g,v/2],[g,-v/2]].join("L")+"Z"}).style(p),t.attr({transform:"translate("+[l,-v/2+2*h]+")"}),t.style({display:"block"}),u},u.move=function(e){if(t)return t.attr({transform:"translate("+[e[0],e[1]]+")"}).style({display:"block"}),u},u.hide=function(){if(t)return t.style({display:"none"}),u},u.show=function(){if(t)return t.style({display:"block"}),u},u.config=function(t){return i(a,t),u},u},o.tooltipPanel.uid=1,o.adapter={},o.adapter.plotly=function(){var t={};return t.convert=function(t,e){var r={};if(t.data&&(r.data=t.data.map(function(t,r){var 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i=0,a=0,o=0;o>>24-i&16777215)||o!==this.length-1?b[6-l.length]+l+r:l+r,(i+=2)>=26&&(i-=26,o--)}for(0!==a&&(r=a.toString(16)+r);r.length%e!=0;)r="0"+r;return 0!==this.negative&&(r="-"+r),r}if(t===(0|t)&&t>=2&&t<=36){var u=x[t],c=_[t];r="";var f=this.clone();for(f.negative=0;!f.isZero();){var h=f.modn(c).toString(t);r=(f=f.idivn(c)).isZero()?h+r:b[u-h.length]+h+r}for(this.isZero()&&(r="0"+r);r.length%e!=0;)r="0"+r;return 0!==this.negative&&(r="-"+r),r}n(!1,"Base should be between 2 and 36")},a.prototype.toNumber=function(){var t=this.words[0];return 2===this.length?t+=67108864*this.words[1]:3===this.length&&1===this.words[2]?t+=4503599627370496+67108864*this.words[1]:this.length>2&&n(!1,"Number can only safely store up to 53 bits"),0!==this.negative?-t:t},a.prototype.toJSON=function(){return this.toString(16)},a.prototype.toBuffer=function(t,e){return n(void 0!==y),this.toArrayLike(y,t,e)},a.prototype.toArray=function(t,e){return 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e;e=this.length>t.length?t:this;for(var r=0;rt.length?this.clone().iand(t):t.clone().iand(this)},a.prototype.uand=function(t){return this.length>t.length?this.clone().iuand(t):t.clone().iuand(this)},a.prototype.iuxor=function(t){var e,r;this.length>t.length?(e=this,r=t):(e=t,r=this);for(var n=0;nt.length?this.clone().ixor(t):t.clone().ixor(this)},a.prototype.uxor=function(t){return this.length>t.length?this.clone().iuxor(t):t.clone().iuxor(this)},a.prototype.inotn=function(t){n("number"==typeof t&&t>=0);var e=0|Math.ceil(t/26),r=t%26;this._expand(e),r>0&&e--;for(var i=0;i0&&(this.words[i]=~this.words[i]&67108863>>26-r),this.strip()},a.prototype.notn=function(t){return this.clone().inotn(t)},a.prototype.setn=function(t,e){n("number"==typeof t&&t>=0);var r=t/26|0,i=t%26;return this._expand(r+1),this.words[r]=e?this.words[r]|1<t.length?(r=this,n=t):(r=t,n=this);for(var i=0,a=0;a>>26;for(;0!==i&&a>>26;if(this.length=r.length,0!==i)this.words[this.length]=i,this.length++;else if(r!==this)for(;at.length?this.clone().iadd(t):t.clone().iadd(this)},a.prototype.isub=function(t){if(0!==t.negative){t.negative=0;var e=this.iadd(t);return t.negative=1,e._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(t),this.negative=1,this._normSign();var r=this.cmp(t);if(0===r)return this.negative=0,this.length=1,this.words[0]=0,this;var n,i;r>0?(n=this,i=t):(n=t,i=this);for(var a=0,o=0;o>26,this.words[o]=67108863&e;for(;0!==a&&o>26,this.words[o]=67108863&e;if(0===a&&o>>13,d=0|o[1],p=8191&d,g=d>>>13,v=0|o[2],m=8191&v,y=v>>>13,b=0|o[3],x=8191&b,_=b>>>13,w=0|o[4],M=8191&w,A=w>>>13,k=0|o[5],T=8191&k,E=k>>>13,L=0|o[6],C=8191&L,S=L>>>13,P=0|o[7],R=8191&P,O=P>>>13,I=0|o[8],N=8191&I,D=I>>>13,z=0|o[9],j=8191&z,F=z>>>13,B=0|s[0],U=8191&B,V=B>>>13,H=0|s[1],q=8191&H,G=H>>>13,X=0|s[2],W=8191&X,Y=X>>>13,Z=0|s[3],Q=8191&Z,$=Z>>>13,J=0|s[4],K=8191&J,tt=J>>>13,et=0|s[5],rt=8191&et,nt=et>>>13,it=0|s[6],at=8191&it,ot=it>>>13,st=0|s[7],lt=8191&st,ut=st>>>13,ct=0|s[8],ft=8191&ct,ht=ct>>>13,dt=0|s[9],pt=8191&dt,gt=dt>>>13;r.negative=t.negative^e.negative,r.length=19;var vt=(u+(n=Math.imul(f,U))|0)+((8191&(i=(i=Math.imul(f,V))+Math.imul(h,U)|0))<<13)|0;u=((a=Math.imul(h,V))+(i>>>13)|0)+(vt>>>26)|0,vt&=67108863,n=Math.imul(p,U),i=(i=Math.imul(p,V))+Math.imul(g,U)|0,a=Math.imul(g,V);var mt=(u+(n=n+Math.imul(f,q)|0)|0)+((8191&(i=(i=i+Math.imul(f,G)|0)+Math.imul(h,q)|0))<<13)|0;u=((a=a+Math.imul(h,G)|0)+(i>>>13)|0)+(mt>>>26)|0,mt&=67108863,n=Math.imul(m,U),i=(i=Math.imul(m,V))+Math.imul(y,U)|0,a=Math.imul(y,V),n=n+Math.imul(p,q)|0,i=(i=i+Math.imul(p,G)|0)+Math.imul(g,q)|0,a=a+Math.imul(g,G)|0;var yt=(u+(n=n+Math.imul(f,W)|0)|0)+((8191&(i=(i=i+Math.imul(f,Y)|0)+Math.imul(h,W)|0))<<13)|0;u=((a=a+Math.imul(h,Y)|0)+(i>>>13)|0)+(yt>>>26)|0,yt&=67108863,n=Math.imul(x,U),i=(i=Math.imul(x,V))+Math.imul(_,U)|0,a=Math.imul(_,V),n=n+Math.imul(m,q)|0,i=(i=i+Math.imul(m,G)|0)+Math.imul(y,q)|0,a=a+Math.imul(y,G)|0,n=n+Math.imul(p,W)|0,i=(i=i+Math.imul(p,Y)|0)+Math.imul(g,W)|0,a=a+Math.imul(g,Y)|0;var bt=(u+(n=n+Math.imul(f,Q)|0)|0)+((8191&(i=(i=i+Math.imul(f,$)|0)+Math.imul(h,Q)|0))<<13)|0;u=((a=a+Math.imul(h,$)|0)+(i>>>13)|0)+(bt>>>26)|0,bt&=67108863,n=Math.imul(M,U),i=(i=Math.imul(M,V))+Math.imul(A,U)|0,a=Math.imul(A,V),n=n+Math.imul(x,q)|0,i=(i=i+Math.imul(x,G)|0)+Math.imul(_,q)|0,a=a+Math.imul(_,G)|0,n=n+Math.imul(m,W)|0,i=(i=i+Math.imul(m,Y)|0)+Math.imul(y,W)|0,a=a+Math.imul(y,Y)|0,n=n+Math.imul(p,Q)|0,i=(i=i+Math.imul(p,$)|0)+Math.imul(g,Q)|0,a=a+Math.imul(g,$)|0;var xt=(u+(n=n+Math.imul(f,K)|0)|0)+((8191&(i=(i=i+Math.imul(f,tt)|0)+Math.imul(h,K)|0))<<13)|0;u=((a=a+Math.imul(h,tt)|0)+(i>>>13)|0)+(xt>>>26)|0,xt&=67108863,n=Math.imul(T,U),i=(i=Math.imul(T,V))+Math.imul(E,U)|0,a=Math.imul(E,V),n=n+Math.imul(M,q)|0,i=(i=i+Math.imul(M,G)|0)+Math.imul(A,q)|0,a=a+Math.imul(A,G)|0,n=n+Math.imul(x,W)|0,i=(i=i+Math.imul(x,Y)|0)+Math.imul(_,W)|0,a=a+Math.imul(_,Y)|0,n=n+Math.imul(m,Q)|0,i=(i=i+Math.imul(m,$)|0)+Math.imul(y,Q)|0,a=a+Math.imul(y,$)|0,n=n+Math.imul(p,K)|0,i=(i=i+Math.imul(p,tt)|0)+Math.imul(g,K)|0,a=a+Math.imul(g,tt)|0;var _t=(u+(n=n+Math.imul(f,rt)|0)|0)+((8191&(i=(i=i+Math.imul(f,nt)|0)+Math.imul(h,rt)|0))<<13)|0;u=((a=a+Math.imul(h,nt)|0)+(i>>>13)|0)+(_t>>>26)|0,_t&=67108863,n=Math.imul(C,U),i=(i=Math.imul(C,V))+Math.imul(S,U)|0,a=Math.imul(S,V),n=n+Math.imul(T,q)|0,i=(i=i+Math.imul(T,G)|0)+Math.imul(E,q)|0,a=a+Math.imul(E,G)|0,n=n+Math.imul(M,W)|0,i=(i=i+Math.imul(M,Y)|0)+Math.imul(A,W)|0,a=a+Math.imul(A,Y)|0,n=n+Math.imul(x,Q)|0,i=(i=i+Math.imul(x,$)|0)+Math.imul(_,Q)|0,a=a+Math.imul(_,$)|0,n=n+Math.imul(m,K)|0,i=(i=i+Math.imul(m,tt)|0)+Math.imul(y,K)|0,a=a+Math.imul(y,tt)|0,n=n+Math.imul(p,rt)|0,i=(i=i+Math.imul(p,nt)|0)+Math.imul(g,rt)|0,a=a+Math.imul(g,nt)|0;var wt=(u+(n=n+Math.imul(f,at)|0)|0)+((8191&(i=(i=i+Math.imul(f,ot)|0)+Math.imul(h,at)|0))<<13)|0;u=((a=a+Math.imul(h,ot)|0)+(i>>>13)|0)+(wt>>>26)|0,wt&=67108863,n=Math.imul(R,U),i=(i=Math.imul(R,V))+Math.imul(O,U)|0,a=Math.imul(O,V),n=n+Math.imul(C,q)|0,i=(i=i+Math.imul(C,G)|0)+Math.imul(S,q)|0,a=a+Math.imul(S,G)|0,n=n+Math.imul(T,W)|0,i=(i=i+Math.imul(T,Y)|0)+Math.imul(E,W)|0,a=a+Math.imul(E,Y)|0,n=n+Math.imul(M,Q)|0,i=(i=i+Math.imul(M,$)|0)+Math.imul(A,Q)|0,a=a+Math.imul(A,$)|0,n=n+Math.imul(x,K)|0,i=(i=i+Math.imul(x,tt)|0)+Math.imul(_,K)|0,a=a+Math.imul(_,tt)|0,n=n+Math.imul(m,rt)|0,i=(i=i+Math.imul(m,nt)|0)+Math.imul(y,rt)|0,a=a+Math.imul(y,nt)|0,n=n+Math.imul(p,at)|0,i=(i=i+Math.imul(p,ot)|0)+Math.imul(g,at)|0,a=a+Math.imul(g,ot)|0;var Mt=(u+(n=n+Math.imul(f,lt)|0)|0)+((8191&(i=(i=i+Math.imul(f,ut)|0)+Math.imul(h,lt)|0))<<13)|0;u=((a=a+Math.imul(h,ut)|0)+(i>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,n=Math.imul(N,U),i=(i=Math.imul(N,V))+Math.imul(D,U)|0,a=Math.imul(D,V),n=n+Math.imul(R,q)|0,i=(i=i+Math.imul(R,G)|0)+Math.imul(O,q)|0,a=a+Math.imul(O,G)|0,n=n+Math.imul(C,W)|0,i=(i=i+Math.imul(C,Y)|0)+Math.imul(S,W)|0,a=a+Math.imul(S,Y)|0,n=n+Math.imul(T,Q)|0,i=(i=i+Math.imul(T,$)|0)+Math.imul(E,Q)|0,a=a+Math.imul(E,$)|0,n=n+Math.imul(M,K)|0,i=(i=i+Math.imul(M,tt)|0)+Math.imul(A,K)|0,a=a+Math.imul(A,tt)|0,n=n+Math.imul(x,rt)|0,i=(i=i+Math.imul(x,nt)|0)+Math.imul(_,rt)|0,a=a+Math.imul(_,nt)|0,n=n+Math.imul(m,at)|0,i=(i=i+Math.imul(m,ot)|0)+Math.imul(y,at)|0,a=a+Math.imul(y,ot)|0,n=n+Math.imul(p,lt)|0,i=(i=i+Math.imul(p,ut)|0)+Math.imul(g,lt)|0,a=a+Math.imul(g,ut)|0;var At=(u+(n=n+Math.imul(f,ft)|0)|0)+((8191&(i=(i=i+Math.imul(f,ht)|0)+Math.imul(h,ft)|0))<<13)|0;u=((a=a+Math.imul(h,ht)|0)+(i>>>13)|0)+(At>>>26)|0,At&=67108863,n=Math.imul(j,U),i=(i=Math.imul(j,V))+Math.imul(F,U)|0,a=Math.imul(F,V),n=n+Math.imul(N,q)|0,i=(i=i+Math.imul(N,G)|0)+Math.imul(D,q)|0,a=a+Math.imul(D,G)|0,n=n+Math.imul(R,W)|0,i=(i=i+Math.imul(R,Y)|0)+Math.imul(O,W)|0,a=a+Math.imul(O,Y)|0,n=n+Math.imul(C,Q)|0,i=(i=i+Math.imul(C,$)|0)+Math.imul(S,Q)|0,a=a+Math.imul(S,$)|0,n=n+Math.imul(T,K)|0,i=(i=i+Math.imul(T,tt)|0)+Math.imul(E,K)|0,a=a+Math.imul(E,tt)|0,n=n+Math.imul(M,rt)|0,i=(i=i+Math.imul(M,nt)|0)+Math.imul(A,rt)|0,a=a+Math.imul(A,nt)|0,n=n+Math.imul(x,at)|0,i=(i=i+Math.imul(x,ot)|0)+Math.imul(_,at)|0,a=a+Math.imul(_,ot)|0,n=n+Math.imul(m,lt)|0,i=(i=i+Math.imul(m,ut)|0)+Math.imul(y,lt)|0,a=a+Math.imul(y,ut)|0,n=n+Math.imul(p,ft)|0,i=(i=i+Math.imul(p,ht)|0)+Math.imul(g,ft)|0,a=a+Math.imul(g,ht)|0;var kt=(u+(n=n+Math.imul(f,pt)|0)|0)+((8191&(i=(i=i+Math.imul(f,gt)|0)+Math.imul(h,pt)|0))<<13)|0;u=((a=a+Math.imul(h,gt)|0)+(i>>>13)|0)+(kt>>>26)|0,kt&=67108863,n=Math.imul(j,q),i=(i=Math.imul(j,G))+Math.imul(F,q)|0,a=Math.imul(F,G),n=n+Math.imul(N,W)|0,i=(i=i+Math.imul(N,Y)|0)+Math.imul(D,W)|0,a=a+Math.imul(D,Y)|0,n=n+Math.imul(R,Q)|0,i=(i=i+Math.imul(R,$)|0)+Math.imul(O,Q)|0,a=a+Math.imul(O,$)|0,n=n+Math.imul(C,K)|0,i=(i=i+Math.imul(C,tt)|0)+Math.imul(S,K)|0,a=a+Math.imul(S,tt)|0,n=n+Math.imul(T,rt)|0,i=(i=i+Math.imul(T,nt)|0)+Math.imul(E,rt)|0,a=a+Math.imul(E,nt)|0,n=n+Math.imul(M,at)|0,i=(i=i+Math.imul(M,ot)|0)+Math.imul(A,at)|0,a=a+Math.imul(A,ot)|0,n=n+Math.imul(x,lt)|0,i=(i=i+Math.imul(x,ut)|0)+Math.imul(_,lt)|0,a=a+Math.imul(_,ut)|0,n=n+Math.imul(m,ft)|0,i=(i=i+Math.imul(m,ht)|0)+Math.imul(y,ft)|0,a=a+Math.imul(y,ht)|0;var Tt=(u+(n=n+Math.imul(p,pt)|0)|0)+((8191&(i=(i=i+Math.imul(p,gt)|0)+Math.imul(g,pt)|0))<<13)|0;u=((a=a+Math.imul(g,gt)|0)+(i>>>13)|0)+(Tt>>>26)|0,Tt&=67108863,n=Math.imul(j,W),i=(i=Math.imul(j,Y))+Math.imul(F,W)|0,a=Math.imul(F,Y),n=n+Math.imul(N,Q)|0,i=(i=i+Math.imul(N,$)|0)+Math.imul(D,Q)|0,a=a+Math.imul(D,$)|0,n=n+Math.imul(R,K)|0,i=(i=i+Math.imul(R,tt)|0)+Math.imul(O,K)|0,a=a+Math.imul(O,tt)|0,n=n+Math.imul(C,rt)|0,i=(i=i+Math.imul(C,nt)|0)+Math.imul(S,rt)|0,a=a+Math.imul(S,nt)|0,n=n+Math.imul(T,at)|0,i=(i=i+Math.imul(T,ot)|0)+Math.imul(E,at)|0,a=a+Math.imul(E,ot)|0,n=n+Math.imul(M,lt)|0,i=(i=i+Math.imul(M,ut)|0)+Math.imul(A,lt)|0,a=a+Math.imul(A,ut)|0,n=n+Math.imul(x,ft)|0,i=(i=i+Math.imul(x,ht)|0)+Math.imul(_,ft)|0,a=a+Math.imul(_,ht)|0;var Et=(u+(n=n+Math.imul(m,pt)|0)|0)+((8191&(i=(i=i+Math.imul(m,gt)|0)+Math.imul(y,pt)|0))<<13)|0;u=((a=a+Math.imul(y,gt)|0)+(i>>>13)|0)+(Et>>>26)|0,Et&=67108863,n=Math.imul(j,Q),i=(i=Math.imul(j,$))+Math.imul(F,Q)|0,a=Math.imul(F,$),n=n+Math.imul(N,K)|0,i=(i=i+Math.imul(N,tt)|0)+Math.imul(D,K)|0,a=a+Math.imul(D,tt)|0,n=n+Math.imul(R,rt)|0,i=(i=i+Math.imul(R,nt)|0)+Math.imul(O,rt)|0,a=a+Math.imul(O,nt)|0,n=n+Math.imul(C,at)|0,i=(i=i+Math.imul(C,ot)|0)+Math.imul(S,at)|0,a=a+Math.imul(S,ot)|0,n=n+Math.imul(T,lt)|0,i=(i=i+Math.imul(T,ut)|0)+Math.imul(E,lt)|0,a=a+Math.imul(E,ut)|0,n=n+Math.imul(M,ft)|0,i=(i=i+Math.imul(M,ht)|0)+Math.imul(A,ft)|0,a=a+Math.imul(A,ht)|0;var Lt=(u+(n=n+Math.imul(x,pt)|0)|0)+((8191&(i=(i=i+Math.imul(x,gt)|0)+Math.imul(_,pt)|0))<<13)|0;u=((a=a+Math.imul(_,gt)|0)+(i>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,n=Math.imul(j,K),i=(i=Math.imul(j,tt))+Math.imul(F,K)|0,a=Math.imul(F,tt),n=n+Math.imul(N,rt)|0,i=(i=i+Math.imul(N,nt)|0)+Math.imul(D,rt)|0,a=a+Math.imul(D,nt)|0,n=n+Math.imul(R,at)|0,i=(i=i+Math.imul(R,ot)|0)+Math.imul(O,at)|0,a=a+Math.imul(O,ot)|0,n=n+Math.imul(C,lt)|0,i=(i=i+Math.imul(C,ut)|0)+Math.imul(S,lt)|0,a=a+Math.imul(S,ut)|0,n=n+Math.imul(T,ft)|0,i=(i=i+Math.imul(T,ht)|0)+Math.imul(E,ft)|0,a=a+Math.imul(E,ht)|0;var Ct=(u+(n=n+Math.imul(M,pt)|0)|0)+((8191&(i=(i=i+Math.imul(M,gt)|0)+Math.imul(A,pt)|0))<<13)|0;u=((a=a+Math.imul(A,gt)|0)+(i>>>13)|0)+(Ct>>>26)|0,Ct&=67108863,n=Math.imul(j,rt),i=(i=Math.imul(j,nt))+Math.imul(F,rt)|0,a=Math.imul(F,nt),n=n+Math.imul(N,at)|0,i=(i=i+Math.imul(N,ot)|0)+Math.imul(D,at)|0,a=a+Math.imul(D,ot)|0,n=n+Math.imul(R,lt)|0,i=(i=i+Math.imul(R,ut)|0)+Math.imul(O,lt)|0,a=a+Math.imul(O,ut)|0,n=n+Math.imul(C,ft)|0,i=(i=i+Math.imul(C,ht)|0)+Math.imul(S,ft)|0,a=a+Math.imul(S,ht)|0;var St=(u+(n=n+Math.imul(T,pt)|0)|0)+((8191&(i=(i=i+Math.imul(T,gt)|0)+Math.imul(E,pt)|0))<<13)|0;u=((a=a+Math.imul(E,gt)|0)+(i>>>13)|0)+(St>>>26)|0,St&=67108863,n=Math.imul(j,at),i=(i=Math.imul(j,ot))+Math.imul(F,at)|0,a=Math.imul(F,ot),n=n+Math.imul(N,lt)|0,i=(i=i+Math.imul(N,ut)|0)+Math.imul(D,lt)|0,a=a+Math.imul(D,ut)|0,n=n+Math.imul(R,ft)|0,i=(i=i+Math.imul(R,ht)|0)+Math.imul(O,ft)|0,a=a+Math.imul(O,ht)|0;var Pt=(u+(n=n+Math.imul(C,pt)|0)|0)+((8191&(i=(i=i+Math.imul(C,gt)|0)+Math.imul(S,pt)|0))<<13)|0;u=((a=a+Math.imul(S,gt)|0)+(i>>>13)|0)+(Pt>>>26)|0,Pt&=67108863,n=Math.imul(j,lt),i=(i=Math.imul(j,ut))+Math.imul(F,lt)|0,a=Math.imul(F,ut),n=n+Math.imul(N,ft)|0,i=(i=i+Math.imul(N,ht)|0)+Math.imul(D,ft)|0,a=a+Math.imul(D,ht)|0;var Rt=(u+(n=n+Math.imul(R,pt)|0)|0)+((8191&(i=(i=i+Math.imul(R,gt)|0)+Math.imul(O,pt)|0))<<13)|0;u=((a=a+Math.imul(O,gt)|0)+(i>>>13)|0)+(Rt>>>26)|0,Rt&=67108863,n=Math.imul(j,ft),i=(i=Math.imul(j,ht))+Math.imul(F,ft)|0,a=Math.imul(F,ht);var Ot=(u+(n=n+Math.imul(N,pt)|0)|0)+((8191&(i=(i=i+Math.imul(N,gt)|0)+Math.imul(D,pt)|0))<<13)|0;u=((a=a+Math.imul(D,gt)|0)+(i>>>13)|0)+(Ot>>>26)|0,Ot&=67108863;var It=(u+(n=Math.imul(j,pt))|0)+((8191&(i=(i=Math.imul(j,gt))+Math.imul(F,pt)|0))<<13)|0;return u=((a=Math.imul(F,gt))+(i>>>13)|0)+(It>>>26)|0,It&=67108863,l[0]=vt,l[1]=mt,l[2]=yt,l[3]=bt,l[4]=xt,l[5]=_t,l[6]=wt,l[7]=Mt,l[8]=At,l[9]=kt,l[10]=Tt,l[11]=Et,l[12]=Lt,l[13]=Ct,l[14]=St,l[15]=Pt,l[16]=Rt,l[17]=Ot,l[18]=It,0!==u&&(l[19]=u,r.length++),r};Math.imul||(w=l),a.prototype.mulTo=function(t,e){var r=this.length+t.length;return 10===this.length&&10===t.length?w(this,t,e):r<63?l(this,t,e):r<1024?function(t,e,r){r.negative=e.negative^t.negative,r.length=t.length+e.length;for(var n=0,i=0,a=0;a>>26)|0)>>>26,o&=67108863}r.words[a]=s,n=o,o=i}return 0!==n?r.words[a]=n:r.length--,r.strip()}(this,t,e):u(this,t,e)},c.prototype.makeRBT=function(t){for(var e=new Array(t),r=a.prototype._countBits(t)-1,n=0;n>=1;return n},c.prototype.permute=function(t,e,r,n,i,a){for(var o=0;o>>=1)i++;return 1<>>=13,r[2*o+1]=8191&a,a>>>=13;for(o=2*e;o>=26,e+=i/67108864|0,e+=a>>>26,this.words[r]=67108863&a}return 0!==e&&(this.words[r]=e,this.length++),this},a.prototype.muln=function(t){return this.clone().imuln(t)},a.prototype.sqr=function(){return this.mul(this)},a.prototype.isqr=function(){return this.imul(this.clone())},a.prototype.pow=function(t){var e=function(t){for(var e=new Array(t.bitLength()),r=0;r>>i}return e}(t);if(0===e.length)return new a(1);for(var r=this,n=0;n=0);var e,r=t%26,i=(t-r)/26,a=67108863>>>26-r<<26-r;if(0!==r){var o=0;for(e=0;e>>26-r}o&&(this.words[e]=o,this.length++)}if(0!==i){for(e=this.length-1;e>=0;e--)this.words[e+i]=this.words[e];for(e=0;e=0);var i;i=e?(e-e%26)/26:0;var a=t%26,o=Math.min((t-a)/26,this.length),s=67108863^67108863>>>a<o)for(this.length-=o,u=0;u=0&&(0!==c||u>=i);u--){var f=0|this.words[u];this.words[u]=c<<26-a|f>>>a,c=f&s}return l&&0!==c&&(l.words[l.length++]=c),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},a.prototype.ishrn=function(t,e,r){return n(0===this.negative),this.iushrn(t,e,r)},a.prototype.shln=function(t){return this.clone().ishln(t)},a.prototype.ushln=function(t){return this.clone().iushln(t)},a.prototype.shrn=function(t){return this.clone().ishrn(t)},a.prototype.ushrn=function(t){return this.clone().iushrn(t)},a.prototype.testn=function(t){n("number"==typeof t&&t>=0);var e=t%26,r=(t-e)/26,i=1<=0);var e=t%26,r=(t-e)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==e&&r++,this.length=Math.min(r,this.length),0!==e){var i=67108863^67108863>>>e<=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},a.prototype.isubn=function(t){if(n("number"==typeof t),n(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e>26)-(l/67108864|0),this.words[i+r]=67108863&o}for(;i>26,this.words[i+r]=67108863&o;if(0===s)return this.strip();for(n(-1===s),s=0,i=0;i>26,this.words[i]=67108863&o;return this.negative=1,this.strip()},a.prototype._wordDiv=function(t,e){var r=this.length-t.length,n=this.clone(),i=t,o=0|i.words[i.length-1];0!==(r=26-this._countBits(o))&&(i=i.ushln(r),n.iushln(r),o=0|i.words[i.length-1]);var s,l=n.length-i.length;if("mod"!==e){(s=new a(null)).length=l+1,s.words=new Array(s.length);for(var u=0;u=0;f--){var h=67108864*(0|n.words[i.length+f])+(0|n.words[i.length+f-1]);for(h=Math.min(h/o|0,67108863),n._ishlnsubmul(i,h,f);0!==n.negative;)h--,n.negative=0,n._ishlnsubmul(i,1,f),n.isZero()||(n.negative^=1);s&&(s.words[f]=h)}return s&&s.strip(),n.strip(),"div"!==e&&0!==r&&n.iushrn(r),{div:s||null,mod:n}},a.prototype.divmod=function(t,e,r){if(n(!t.isZero()),this.isZero())return{div:new a(0),mod:new a(0)};var i,o,s;return 0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(i=s.div.neg()),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:i,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(i=s.div.neg()),{div:i,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new a(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new a(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new a(this.modn(t.words[0]))}:this._wordDiv(t,e)},a.prototype.div=function(t){return this.divmod(t,"div",!1).div},a.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},a.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},a.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var r=0!==e.div.negative?e.mod.isub(t):e.mod,n=t.ushrn(1),i=t.andln(1),a=r.cmp(n);return a<0||1===i&&0===a?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},a.prototype.modn=function(t){n(t<=67108863);for(var e=(1<<26)%t,r=0,i=this.length-1;i>=0;i--)r=(e*r+(0|this.words[i]))%t;return r},a.prototype.idivn=function(t){n(t<=67108863);for(var e=0,r=this.length-1;r>=0;r--){var i=(0|this.words[r])+67108864*e;this.words[r]=i/t|0,e=i%t}return this.strip()},a.prototype.divn=function(t){return this.clone().idivn(t)},a.prototype.egcd=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=new a(0),l=new a(1),u=0;e.isEven()&&r.isEven();)e.iushrn(1),r.iushrn(1),++u;for(var c=r.clone(),f=e.clone();!e.isZero();){for(var h=0,d=1;0==(e.words[0]&d)&&h<26;++h,d<<=1);if(h>0)for(e.iushrn(h);h-- >0;)(i.isOdd()||o.isOdd())&&(i.iadd(c),o.isub(f)),i.iushrn(1),o.iushrn(1);for(var p=0,g=1;0==(r.words[0]&g)&&p<26;++p,g<<=1);if(p>0)for(r.iushrn(p);p-- >0;)(s.isOdd()||l.isOdd())&&(s.iadd(c),l.isub(f)),s.iushrn(1),l.iushrn(1);e.cmp(r)>=0?(e.isub(r),i.isub(s),o.isub(l)):(r.isub(e),s.isub(i),l.isub(o))}return{a:s,b:l,gcd:r.iushln(u)}},a.prototype._invmp=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=r.clone();e.cmpn(1)>0&&r.cmpn(1)>0;){for(var l=0,u=1;0==(e.words[0]&u)&&l<26;++l,u<<=1);if(l>0)for(e.iushrn(l);l-- >0;)i.isOdd()&&i.iadd(s),i.iushrn(1);for(var c=0,f=1;0==(r.words[0]&f)&&c<26;++c,f<<=1);if(c>0)for(r.iushrn(c);c-- >0;)o.isOdd()&&o.iadd(s),o.iushrn(1);e.cmp(r)>=0?(e.isub(r),i.isub(o)):(r.isub(e),o.isub(i))}var h;return(h=0===e.cmpn(1)?i:o).cmpn(0)<0&&h.iadd(t),h},a.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var e=this.clone(),r=t.clone();e.negative=0,r.negative=0;for(var n=0;e.isEven()&&r.isEven();n++)e.iushrn(1),r.iushrn(1);for(;;){for(;e.isEven();)e.iushrn(1);for(;r.isEven();)r.iushrn(1);var i=e.cmp(r);if(i<0){var a=e;e=r,r=a}else if(0===i||0===r.cmpn(1))break;e.isub(r)}return r.iushln(n)},a.prototype.invm=function(t){return this.egcd(t).a.umod(t)},a.prototype.isEven=function(){return 0==(1&this.words[0])},a.prototype.isOdd=function(){return 1==(1&this.words[0])},a.prototype.andln=function(t){return this.words[0]&t},a.prototype.bincn=function(t){n("number"==typeof t);var e=t%26,r=(t-e)/26,i=1<>>26,s&=67108863,this.words[o]=s}return 0!==a&&(this.words[o]=a,this.length++),this},a.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},a.prototype.cmpn=function(t){var e=t<0;if(0!==this.negative&&!e)return-1;if(0===this.negative&&e)return 1;this.strip();var r;if(this.length>1)r=1;else{e&&(t=-t),n(t<=67108863,"Number is too big");var i=0|this.words[0];r=i===t?0:it.length)return 1;if(this.length=0;r--){var n=0|this.words[r],i=0|t.words[r];if(n!==i){ni&&(e=1);break}}return e},a.prototype.gtn=function(t){return 1===this.cmpn(t)},a.prototype.gt=function(t){return 1===this.cmp(t)},a.prototype.gten=function(t){return this.cmpn(t)>=0},a.prototype.gte=function(t){return this.cmp(t)>=0},a.prototype.ltn=function(t){return-1===this.cmpn(t)},a.prototype.lt=function(t){return-1===this.cmp(t)},a.prototype.lten=function(t){return this.cmpn(t)<=0},a.prototype.lte=function(t){return this.cmp(t)<=0},a.prototype.eqn=function(t){return 0===this.cmpn(t)},a.prototype.eq=function(t){return 0===this.cmp(t)},a.red=function(t){return new v(t)},a.prototype.toRed=function(t){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),t.convertTo(this)._forceRed(t)},a.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},a.prototype._forceRed=function(t){return this.red=t,this},a.prototype.forceRed=function(t){return n(!this.red,"Already a number in reduction context"),this._forceRed(t)},a.prototype.redAdd=function(t){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,t)},a.prototype.redIAdd=function(t){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,t)},a.prototype.redSub=function(t){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,t)},a.prototype.redISub=function(t){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,t)},a.prototype.redShl=function(t){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,t)},a.prototype.redMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.mul(this,t)},a.prototype.redIMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.imul(this,t)},a.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},a.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},a.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},a.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},a.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},a.prototype.redPow=function(t){return n(this.red&&!t.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,t)};var M={k256:null,p224:null,p192:null,p25519:null};f.prototype._tmp=function(){var t=new a(null);return t.words=new Array(Math.ceil(this.n/13)),t},f.prototype.ireduce=function(t){var 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i=[.9999999999998099,676.5203681218851,-1259.1392167224028,771.3234287776531,-176.6150291621406,12.507343278686905,-.13857109526572012,9984369578019572e-21,1.5056327351493116e-7],a=607/128,o=[.9999999999999971,57.15623566586292,-59.59796035547549,14.136097974741746,-.4919138160976202,3399464998481189e-20,4652362892704858e-20,-9837447530487956e-20,.0001580887032249125,-.00021026444172410488,.00021743961811521265,-.0001643181065367639,8441822398385275e-20,-26190838401581408e-21,36899182659531625e-22];e.exports=function t(e){if(e<.5)return Math.PI/(Math.sin(Math.PI*e)*t(1-e));if(e>100)return Math.exp(n(e));e-=1;for(var r=i[0],a=1;a<9;a++)r+=i[a]/(e+a);var o=e+7+.5;return Math.sqrt(2*Math.PI)*Math.pow(o,e+.5)*Math.exp(-o)*r},e.exports.log=n},{}],94:[function(t,e,r){e.exports=function(t,e){if("string"!=typeof t)throw new TypeError("must specify type string");if(e=e||{},"undefined"==typeof document&&!e.canvas)return null;var r=e.canvas||document.createElement("canvas");"number"==typeof e.width&&(r.width=e.width),"number"==typeof e.height&&(r.height=e.height);var n,i=e;try{var a=[t];0===t.indexOf("webgl")&&a.push("experimental-"+t);for(var o=0;o0?(d[c]=-1,p[c]=0):(d[c]=0,p[c]=1)}}e.exports=function(t,e){var r=new i(t);return r.update(e),r};var s=t("./lib/text.js"),l=t("./lib/lines.js"),u=t("./lib/background.js"),c=t("./lib/cube.js"),f=t("./lib/ticks.js"),h=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),d=i.prototype;d.update=function(t){function e(e,r,n){if(n in t){var i,a=t[n],o=this[n];(e?Array.isArray(a)&&Array.isArray(a[0]):Array.isArray(a))?this[n]=i=[r(a[0]),r(a[1]),r(a[2])]:this[n]=i=[r(a),r(a),r(a)];for(var s=0;s<3;++s)if(i[s]!==o[s])return!0}return!1}t=t||{};var r,n=e.bind(this,!1,Number),i=e.bind(this,!1,Boolean),a=e.bind(this,!1,String),o=e.bind(this,!0,function(t){if(Array.isArray(t)){if(3===t.length)return[+t[0],+t[1],+t[2],1];if(4===t.length)return[+t[0],+t[1],+t[2],+t[3]]}return[0,0,0,1]}),u=!1,c=!1;if("bounds"in t)for(var h=t.bounds,d=0;d<2;++d)for(var p=0;p<3;++p)h[d][p]!==this.bounds[d][p]&&(c=!0),this.bounds[d][p]=h[d][p];if("ticks"in t){r=t.ticks,u=!0,this.autoTicks=!1;for(d=0;d<3;++d)this.tickSpacing[d]=0}else n("tickSpacing")&&(this.autoTicks=!0,c=!0);if(this._firstInit&&("ticks"in t||"tickSpacing"in t||(this.autoTicks=!0),c=!0,u=!0,this._firstInit=!1),c&&this.autoTicks&&(r=f.create(this.bounds,this.tickSpacing),u=!0),u){for(d=0;d<3;++d)r[d].sort(function(t,e){return t.x-e.x});f.equal(r,this.ticks)?u=!1:this.ticks=r}i("tickEnable"),a("tickFont")&&(u=!0),n("tickSize"),n("tickAngle"),n("tickPad"),o("tickColor");var g=a("labels");a("labelFont")&&(g=!0),i("labelEnable"),n("labelSize"),n("labelPad"),o("labelColor"),i("lineEnable"),i("lineMirror"),n("lineWidth"),o("lineColor"),i("lineTickEnable"),i("lineTickMirror"),n("lineTickLength"),n("lineTickWidth"),o("lineTickColor"),i("gridEnable"),n("gridWidth"),o("gridColor"),i("zeroEnable"),o("zeroLineColor"),n("zeroLineWidth"),i("backgroundEnable"),o("backgroundColor"),this._text?this._text&&(g||u)&&this._text.update(this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont):this._text=s(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont),this._lines&&u&&(this._lines.dispose(),this._lines=null),this._lines||(this._lines=l(this.gl,this.bounds,this.ticks))};var p=[new a,new a,new a],g=[0,0,0],v={model:h,view:h,projection:h};d.isOpaque=function(){return!0},d.isTransparent=function(){return!1},d.drawTransparent=function(t){};var m=[0,0,0],y=[0,0,0],b=[0,0,0];d.draw=function(t){t=t||v;for(var e=this.gl,r=t.model||h,i=t.view||h,a=t.projection||h,s=this.bounds,l=c(r,i,a,s),u=l.cubeEdges,f=l.axis,d=i[12],x=i[13],_=i[14],w=i[15],M=this.pixelRatio*(a[3]*d+a[7]*x+a[11]*_+a[15]*w)/e.drawingBufferHeight,A=0;A<3;++A)this.lastCubeProps.cubeEdges[A]=u[A],this.lastCubeProps.axis[A]=f[A];var k=p;for(A=0;A<3;++A)o(p[A],A,this.bounds,u,f);e=this.gl;var T=g;for(A=0;A<3;++A)this.backgroundEnable[A]?T[A]=f[A]:T[A]=0;this._background.draw(r,i,a,s,T,this.backgroundColor),this._lines.bind(r,i,a,this);for(A=0;A<3;++A){var E=[0,0,0];f[A]>0?E[A]=s[1][A]:E[A]=s[0][A];for(var L=0;L<2;++L){var C=(A+1+L)%3,S=(A+1+(1^L))%3;this.gridEnable[C]&&this._lines.drawGrid(C,S,this.bounds,E,this.gridColor[C],this.gridWidth[C]*this.pixelRatio)}for(L=0;L<2;++L){C=(A+1+L)%3,S=(A+1+(1^L))%3;this.zeroEnable[S]&&s[0][S]<=0&&s[1][S]>=0&&this._lines.drawZero(C,S,this.bounds,E,this.zeroLineColor[S],this.zeroLineWidth[S]*this.pixelRatio)}}for(A=0;A<3;++A){this.lineEnable[A]&&this._lines.drawAxisLine(A,this.bounds,k[A].primalOffset,this.lineColor[A],this.lineWidth[A]*this.pixelRatio),this.lineMirror[A]&&this._lines.drawAxisLine(A,this.bounds,k[A].mirrorOffset,this.lineColor[A],this.lineWidth[A]*this.pixelRatio);var P=n(m,k[A].primalMinor),R=n(y,k[A].mirrorMinor),O=this.lineTickLength;for(L=0;L<3;++L){var I=M/r[5*L];P[L]*=O[L]*I,R[L]*=O[L]*I}this.lineTickEnable[A]&&this._lines.drawAxisTicks(A,k[A].primalOffset,P,this.lineTickColor[A],this.lineTickWidth[A]*this.pixelRatio),this.lineTickMirror[A]&&this._lines.drawAxisTicks(A,k[A].mirrorOffset,R,this.lineTickColor[A],this.lineTickWidth[A]*this.pixelRatio)}this._text.bind(r,i,a,this.pixelRatio);for(A=0;A<3;++A){var N=k[A].primalMinor,D=n(b,k[A].primalOffset);for(L=0;L<3;++L)this.lineTickEnable[A]&&(D[L]+=M*N[L]*Math.max(this.lineTickLength[L],0)/r[5*L]);if(this.tickEnable[A]){for(L=0;L<3;++L)D[L]+=M*N[L]*this.tickPad[L]/r[5*L];this._text.drawTicks(A,this.tickSize[A],this.tickAngle[A],D,this.tickColor[A])}if(this.labelEnable[A]){for(L=0;L<3;++L)D[L]+=M*N[L]*this.labelPad[L]/r[5*L];D[A]+=.5*(s[0][A]+s[1][A]),this._text.drawLabel(A,this.labelSize[A],this.labelAngle[A],D,this.labelColor[A])}}},d.dispose=function(){this._text.dispose(),this._lines.dispose(),this._background.dispose(),this._lines=null,this._text=null,this._background=null,this.gl=null}},{"./lib/background.js":96,"./lib/cube.js":97,"./lib/lines.js":98,"./lib/text.js":100,"./lib/ticks.js":101}],96:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n}e.exports=function(t){for(var e=[],r=[],s=0,l=0;l<3;++l)for(var u=(l+1)%3,c=(l+2)%3,f=[0,0,0],h=[0,0,0],d=-1;d<=1;d+=2){r.push(s,s+2,s+1,s+1,s+2,s+3),f[l]=d,h[l]=d;for(var p=-1;p<=1;p+=2){f[u]=p;for(var g=-1;g<=1;g+=2)f[c]=g,e.push(f[0],f[1],f[2],h[0],h[1],h[2]),s+=1}var v=u;u=c,c=v}var m=i(t,new Float32Array(e)),y=i(t,new Uint16Array(r),t.ELEMENT_ARRAY_BUFFER),b=a(t,[{buffer:m,type:t.FLOAT,size:3,offset:0,stride:24},{buffer:m,type:t.FLOAT,size:3,offset:12,stride:24}],y),x=o(t);return x.attributes.position.location=0,x.attributes.normal.location=1,new n(t,m,b,x)};var i=t("gl-buffer"),a=t("gl-vao"),o=t("./shaders").bg,s=n.prototype;s.draw=function(t,e,r,n,i,a){for(var o=!1,s=0;s<3;++s)o=o||i[s];if(o){var l=this.gl;l.enable(l.POLYGON_OFFSET_FILL),l.polygonOffset(1,2),this.shader.bind(),this.shader.uniforms={model:t,view:e,projection:r,bounds:n,enable:i,colors:a},this.vao.bind(),this.vao.draw(this.gl.TRIANGLES,36),l.disable(l.POLYGON_OFFSET_FILL)}},s.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders":99,"gl-buffer":103,"gl-vao":158}],97:[function(t,e,r){"use strict";function n(t,e,r){for(var n=0;n<4;++n){t[n]=r[12+n];for(var i=0;i<3;++i)t[n]+=e[i]*r[4*i+n]}}function i(t){for(var e=0;eE&&(_|=1<E&&(_|=1<f[y][1]&&(N=y));var D=-1;for(y=0;y<3;++y)(j=N^1<f[z][0]&&(z=j))}var F=g;F[0]=F[1]=F[2]=0,F[a.log2(D^N)]=N&D,F[a.log2(N^z)]=N&z;var B=7^z;B===_||B===I?(B=7^D,F[a.log2(z^B)]=B&z):F[a.log2(D^B)]=B&D;var U=v,V=_;for(A=0;A<3;++A)U[A]=V&1< 0.0) {\n vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0));\n gl_Position = projection * view * model * vec4(nPosition, 1.0);\n } else {\n gl_Position = vec4(0,0,0,0);\n }\n colorChannel = abs(normal);\n}","precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 colors[3];\n\nvarying vec3 colorChannel;\n\nvoid main() {\n gl_FragColor = colorChannel.x * colors[0] + \n colorChannel.y * colors[1] +\n colorChannel.z * colors[2];\n}",null,[{name:"position",type:"vec3"},{name:"normal",type:"vec3"}])}},{"gl-shader":143}],100:[function(t,e,r){(function(r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=e,this.buffer=r,this.vao=n,this.tickOffset=this.tickCount=this.labelOffset=this.labelCount=null}e.exports=function(t,e,r,o,l,u){var c=i(t),f=a(t,[{buffer:c,size:3}]),h=s(t);h.attributes.position.location=0;var d=new n(t,h,c,f);return d.update(e,r,o,l,u),d};var i=t("gl-buffer"),a=t("gl-vao"),o=t("vectorize-text"),s=t("./shaders").text,l=window||r.global||{},u=l.__TEXT_CACHE||{};l.__TEXT_CACHE={};var c=n.prototype,f=[0,0];c.bind=function(t,e,r,n){this.vao.bind(),this.shader.bind();var i=this.shader.uniforms;i.model=t,i.view=e,i.projection=r,i.pixelScale=n,f[0]=this.gl.drawingBufferWidth,f[1]=this.gl.drawingBufferHeight,this.shader.uniforms.resolution=f},c.update=function(t,e,r,n,i){function a(t,e,r,n){var i=u[r];i||(i=u[r]={});var a=i[e];a||(a=i[e]=function(t,e){try{return o(t,e)}catch(t){return console.warn("error vectorizing text:",t),{cells:[],positions:[]}}}(e,{triangles:!0,font:r,textAlign:"center",textBaseline:"middle"}));for(var l=(n||12)/12,c=a.positions,f=a.cells,h=0,d=f.length;h=0;--g){var v=c[p[g]];s.push(l*v[0],-l*v[1],t)}}this.gl;for(var s=[],l=[0,0,0],c=[0,0,0],f=[0,0,0],h=[0,0,0],d=0;d<3;++d){f[d]=s.length/3|0,a(.5*(t[0][d]+t[1][d]),e[d],r),h[d]=(s.length/3|0)-f[d],l[d]=s.length/3|0;for(var p=0;p=0&&(i=r.length-n-1);var a=Math.pow(10,i),o=Math.round(t*e*a),s=o+"";if(s.indexOf("e")>=0)return s;var l=o/a,u=o%a;o<0?(l=0|-Math.ceil(l),u=0|-u):(l=0|Math.floor(l),u|=0);var c=""+l;if(o<0&&(c="-"+c),i){for(var f=""+u;f.length=t[0][i];--o)a.push({x:o*e[i],text:n(e[i],o)});r.push(a)}return r},r.equal=function(t,e){for(var r=0;r<3;++r){if(t[r].length!==e[r].length)return!1;for(var n=0;nr)throw new Error("gl-buffer: If resizing buffer, must not specify offset");return t.bufferSubData(e,a,i),r}function a(t,e){for(var r=o.malloc(t.length,e),n=t.length,i=0;i=0;--n){if(e[n]!==r)return!1;r*=t[n]}return!0}(t.shape,t.stride))0===t.offset&&t.data.length===t.shape[0]?this.length=i(this.gl,this.type,this.length,this.usage,t.data,e):this.length=i(this.gl,this.type,this.length,this.usage,t.data.subarray(t.offset,t.shape[0]),e);else{var n=o.malloc(t.size,r),c=l(n,t.shape);s.assign(c,t),this.length=e<0?i(this.gl,this.type,this.length,this.usage,n,e):i(this.gl,this.type,this.length,this.usage,n.subarray(0,t.size),e),o.free(n)}}else if(Array.isArray(t)){var f;f=this.type===this.gl.ELEMENT_ARRAY_BUFFER?a(t,"uint16"):a(t,"float32"),this.length=e<0?i(this.gl,this.type,this.length,this.usage,f,e):i(this.gl,this.type,this.length,this.usage,f.subarray(0,t.length),e),o.free(f)}else if("object"==typeof t&&"number"==typeof t.length)this.length=i(this.gl,this.type,this.length,this.usage,t,e);else{if("number"!=typeof t&&void 0!==t)throw new Error("gl-buffer: Invalid data type");if(e>=0)throw new Error("gl-buffer: Cannot specify offset when resizing buffer");(t|=0)<=0&&(t=1),this.gl.bufferData(this.type,0|t,this.usage),this.length=t}},e.exports=function(t,e,r,i){if(r=r||t.ARRAY_BUFFER,i=i||t.DYNAMIC_DRAW,r!==t.ARRAY_BUFFER&&r!==t.ELEMENT_ARRAY_BUFFER)throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER");if(i!==t.DYNAMIC_DRAW&&i!==t.STATIC_DRAW&&i!==t.STREAM_DRAW)throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW");var a=new n(t,r,t.createBuffer(),0,i);return a.update(e),a}},{ndarray:206,"ndarray-ops":200,"typedarray-pool":269}],104:[function(t,e,r){e.exports={0:"NONE",1:"ONE",2:"LINE_LOOP",3:"LINE_STRIP",4:"TRIANGLES",5:"TRIANGLE_STRIP",6:"TRIANGLE_FAN",256:"DEPTH_BUFFER_BIT",512:"NEVER",513:"LESS",514:"EQUAL",515:"LEQUAL",516:"GREATER",517:"NOTEQUAL",518:"GEQUAL",519:"ALWAYS",768:"SRC_COLOR",769:"ONE_MINUS_SRC_COLOR",770:"SRC_ALPHA",771:"ONE_MINUS_SRC_ALPHA",772:"DST_ALPHA",773:"ONE_MINUS_DST_ALPHA",774:"DST_COLOR",775:"ONE_MINUS_DST_COLOR",776:"SRC_ALPHA_SATURATE",1024:"STENCIL_BUFFER_BIT",1028:"FRONT",1029:"BACK",1032:"FRONT_AND_BACK",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",2304:"CW",2305:"CCW",2849:"LINE_WIDTH",2884:"CULL_FACE",2885:"CULL_FACE_MODE",2886:"FRONT_FACE",2928:"DEPTH_RANGE",2929:"DEPTH_TEST",2930:"DEPTH_WRITEMASK",2931:"DEPTH_CLEAR_VALUE",2932:"DEPTH_FUNC",2960:"STENCIL_TEST",2961:"STENCIL_CLEAR_VALUE",2962:"STENCIL_FUNC",2963:"STENCIL_VALUE_MASK",2964:"STENCIL_FAIL",2965:"STENCIL_PASS_DEPTH_FAIL",2966:"STENCIL_PASS_DEPTH_PASS",2967:"STENCIL_REF",2968:"STENCIL_WRITEMASK",2978:"VIEWPORT",3024:"DITHER",3042:"BLEND",3088:"SCISSOR_BOX",3089:"SCISSOR_TEST",3106:"COLOR_CLEAR_VALUE",3107:"COLOR_WRITEMASK",3317:"UNPACK_ALIGNMENT",3333:"PACK_ALIGNMENT",3379:"MAX_TEXTURE_SIZE",3386:"MAX_VIEWPORT_DIMS",3408:"SUBPIXEL_BITS",3410:"RED_BITS",3411:"GREEN_BITS",3412:"BLUE_BITS",3413:"ALPHA_BITS",3414:"DEPTH_BITS",3415:"STENCIL_BITS",3553:"TEXTURE_2D",4352:"DONT_CARE",4353:"FASTEST",4354:"NICEST",5120:"BYTE",5121:"UNSIGNED_BYTE",5122:"SHORT",5123:"UNSIGNED_SHORT",5124:"INT",5125:"UNSIGNED_INT",5126:"FLOAT",5386:"INVERT",5890:"TEXTURE",6401:"STENCIL_INDEX",6402:"DEPTH_COMPONENT",6406:"ALPHA",6407:"RGB",6408:"RGBA",6409:"LUMINANCE",6410:"LUMINANCE_ALPHA",7680:"KEEP",7681:"REPLACE",7682:"INCR",7683:"DECR",7936:"VENDOR",7937:"RENDERER",7938:"VERSION",9728:"NEAREST",9729:"LINEAR",9984:"NEAREST_MIPMAP_NEAREST",9985:"LINEAR_MIPMAP_NEAREST",9986:"NEAREST_MIPMAP_LINEAR",9987:"LINEAR_MIPMAP_LINEAR",10240:"TEXTURE_MAG_FILTER",10241:"TEXTURE_MIN_FILTER",10242:"TEXTURE_WRAP_S",10243:"TEXTURE_WRAP_T",10497:"REPEAT",10752:"POLYGON_OFFSET_UNITS",16384:"COLOR_BUFFER_BIT",32769:"CONSTANT_COLOR",32770:"ONE_MINUS_CONSTANT_COLOR",32771:"CONSTANT_ALPHA",32772:"ONE_MINUS_CONSTANT_ALPHA",32773:"BLEND_COLOR",32774:"FUNC_ADD",32777:"BLEND_EQUATION_RGB",32778:"FUNC_SUBTRACT",32779:"FUNC_REVERSE_SUBTRACT",32819:"UNSIGNED_SHORT_4_4_4_4",32820:"UNSIGNED_SHORT_5_5_5_1",32823:"POLYGON_OFFSET_FILL",32824:"POLYGON_OFFSET_FACTOR",32854:"RGBA4",32855:"RGB5_A1",32873:"TEXTURE_BINDING_2D",32926:"SAMPLE_ALPHA_TO_COVERAGE",32928:"SAMPLE_COVERAGE",32936:"SAMPLE_BUFFERS",32937:"SAMPLES",32938:"SAMPLE_COVERAGE_VALUE",32939:"SAMPLE_COVERAGE_INVERT",32968:"BLEND_DST_RGB",32969:"BLEND_SRC_RGB",32970:"BLEND_DST_ALPHA",32971:"BLEND_SRC_ALPHA",33071:"CLAMP_TO_EDGE",33170:"GENERATE_MIPMAP_HINT",33189:"DEPTH_COMPONENT16",33306:"DEPTH_STENCIL_ATTACHMENT",33635:"UNSIGNED_SHORT_5_6_5",33648:"MIRRORED_REPEAT",33901:"ALIASED_POINT_SIZE_RANGE",33902:"ALIASED_LINE_WIDTH_RANGE",33984:"TEXTURE0",33985:"TEXTURE1",33986:"TEXTURE2",33987:"TEXTURE3",33988:"TEXTURE4",33989:"TEXTURE5",33990:"TEXTURE6",33991:"TEXTURE7",33992:"TEXTURE8",33993:"TEXTURE9",33994:"TEXTURE10",33995:"TEXTURE11",33996:"TEXTURE12",33997:"TEXTURE13",33998:"TEXTURE14",33999:"TEXTURE15",34e3:"TEXTURE16",34001:"TEXTURE17",34002:"TEXTURE18",34003:"TEXTURE19",34004:"TEXTURE20",34005:"TEXTURE21",34006:"TEXTURE22",34007:"TEXTURE23",34008:"TEXTURE24",34009:"TEXTURE25",34010:"TEXTURE26",34011:"TEXTURE27",34012:"TEXTURE28",34013:"TEXTURE29",34014:"TEXTURE30",34015:"TEXTURE31",34016:"ACTIVE_TEXTURE",34024:"MAX_RENDERBUFFER_SIZE",34041:"DEPTH_STENCIL",34055:"INCR_WRAP",34056:"DECR_WRAP",34067:"TEXTURE_CUBE_MAP",34068:"TEXTURE_BINDING_CUBE_MAP",34069:"TEXTURE_CUBE_MAP_POSITIVE_X",34070:"TEXTURE_CUBE_MAP_NEGATIVE_X",34071:"TEXTURE_CUBE_MAP_POSITIVE_Y",34072:"TEXTURE_CUBE_MAP_NEGATIVE_Y",34073:"TEXTURE_CUBE_MAP_POSITIVE_Z",34074:"TEXTURE_CUBE_MAP_NEGATIVE_Z",34076:"MAX_CUBE_MAP_TEXTURE_SIZE",34338:"VERTEX_ATTRIB_ARRAY_ENABLED",34339:"VERTEX_ATTRIB_ARRAY_SIZE",34340:"VERTEX_ATTRIB_ARRAY_STRIDE",34341:"VERTEX_ATTRIB_ARRAY_TYPE",34342:"CURRENT_VERTEX_ATTRIB",34373:"VERTEX_ATTRIB_ARRAY_POINTER",34466:"NUM_COMPRESSED_TEXTURE_FORMATS",34467:"COMPRESSED_TEXTURE_FORMATS",34660:"BUFFER_SIZE",34661:"BUFFER_USAGE",34816:"STENCIL_BACK_FUNC",34817:"STENCIL_BACK_FAIL",34818:"STENCIL_BACK_PASS_DEPTH_FAIL",34819:"STENCIL_BACK_PASS_DEPTH_PASS",34877:"BLEND_EQUATION_ALPHA",34921:"MAX_VERTEX_ATTRIBS",34922:"VERTEX_ATTRIB_ARRAY_NORMALIZED",34930:"MAX_TEXTURE_IMAGE_UNITS",34962:"ARRAY_BUFFER",34963:"ELEMENT_ARRAY_BUFFER",34964:"ARRAY_BUFFER_BINDING",34965:"ELEMENT_ARRAY_BUFFER_BINDING",34975:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",35040:"STREAM_DRAW",35044:"STATIC_DRAW",35048:"DYNAMIC_DRAW",35632:"FRAGMENT_SHADER",35633:"VERTEX_SHADER",35660:"MAX_VERTEX_TEXTURE_IMAGE_UNITS",35661:"MAX_COMBINED_TEXTURE_IMAGE_UNITS",35663:"SHADER_TYPE",35664:"FLOAT_VEC2",35665:"FLOAT_VEC3",35666:"FLOAT_VEC4",35667:"INT_VEC2",35668:"INT_VEC3",35669:"INT_VEC4",35670:"BOOL",35671:"BOOL_VEC2",35672:"BOOL_VEC3",35673:"BOOL_VEC4",35674:"FLOAT_MAT2",35675:"FLOAT_MAT3",35676:"FLOAT_MAT4",35678:"SAMPLER_2D",35680:"SAMPLER_CUBE",35712:"DELETE_STATUS",35713:"COMPILE_STATUS",35714:"LINK_STATUS",35715:"VALIDATE_STATUS",35716:"INFO_LOG_LENGTH",35717:"ATTACHED_SHADERS",35718:"ACTIVE_UNIFORMS",35719:"ACTIVE_UNIFORM_MAX_LENGTH",35720:"SHADER_SOURCE_LENGTH",35721:"ACTIVE_ATTRIBUTES",35722:"ACTIVE_ATTRIBUTE_MAX_LENGTH",35724:"SHADING_LANGUAGE_VERSION",35725:"CURRENT_PROGRAM",36003:"STENCIL_BACK_REF",36004:"STENCIL_BACK_VALUE_MASK",36005:"STENCIL_BACK_WRITEMASK",36006:"FRAMEBUFFER_BINDING",36007:"RENDERBUFFER_BINDING",36048:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",36049:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",36050:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",36051:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",36053:"FRAMEBUFFER_COMPLETE",36054:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT",36055:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",36057:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS",36061:"FRAMEBUFFER_UNSUPPORTED",36064:"COLOR_ATTACHMENT0",36096:"DEPTH_ATTACHMENT",36128:"STENCIL_ATTACHMENT",36160:"FRAMEBUFFER",36161:"RENDERBUFFER",36162:"RENDERBUFFER_WIDTH",36163:"RENDERBUFFER_HEIGHT",36164:"RENDERBUFFER_INTERNAL_FORMAT",36168:"STENCIL_INDEX8",36176:"RENDERBUFFER_RED_SIZE",36177:"RENDERBUFFER_GREEN_SIZE",36178:"RENDERBUFFER_BLUE_SIZE",36179:"RENDERBUFFER_ALPHA_SIZE",36180:"RENDERBUFFER_DEPTH_SIZE",36181:"RENDERBUFFER_STENCIL_SIZE",36194:"RGB565",36336:"LOW_FLOAT",36337:"MEDIUM_FLOAT",36338:"HIGH_FLOAT",36339:"LOW_INT",36340:"MEDIUM_INT",36341:"HIGH_INT",36346:"SHADER_COMPILER",36347:"MAX_VERTEX_UNIFORM_VECTORS",36348:"MAX_VARYING_VECTORS",36349:"MAX_FRAGMENT_UNIFORM_VECTORS",37440:"UNPACK_FLIP_Y_WEBGL",37441:"UNPACK_PREMULTIPLY_ALPHA_WEBGL",37442:"CONTEXT_LOST_WEBGL",37443:"UNPACK_COLORSPACE_CONVERSION_WEBGL",37444:"BROWSER_DEFAULT_WEBGL"}},{}],105:[function(t,e,r){var n=t("./1.0/numbers");e.exports=function(t){return n[t]}},{"./1.0/numbers":104}],106:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=n,this.buffer=e,this.vao=r,this.pixelRatio=1,this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.lineWidth=[1,1,1],this.capSize=[10,10,10],this.lineCount=[0,0,0],this.lineOffset=[0,0,0],this.opacity=1}function i(t,e){for(var r=0;r<3;++r)t[0][r]=Math.min(t[0][r],e[r]),t[1][r]=Math.max(t[1][r],e[r])}function a(t,e,r,n){for(var i=f[n],a=0;a=1},c.isTransparent=function(){return this.opacity<1},c.drawTransparent=c.draw=function(t){var e=this.gl,r=this.shader.uniforms;this.shader.bind();var n=r.view=t.view||u,i=r.projection=t.projection||u;r.model=t.model||u,r.clipBounds=this.clipBounds,r.opacity=this.opacity;var a=n[12],o=n[13],s=n[14],l=n[15],c=this.pixelRatio*(i[3]*a+i[7]*o+i[11]*s+i[15]*l)/e.drawingBufferHeight;this.vao.bind();for(var f=0;f<3;++f)e.lineWidth(this.lineWidth[f]),r.capSize=this.capSize[f]*c,this.lineCount[f]&&e.drawArrays(e.LINES,this.lineOffset[f],this.lineCount[f]);this.vao.unbind()};var f=function(){for(var t=new Array(3),e=0;e<3;++e){for(var r=[],n=1;n<=2;++n)for(var i=-1;i<=1;i+=2){var a=[0,0,0];a[(n+e)%3]=i,r.push(a)}t[e]=r}return t}();c.update=function(t){"lineWidth"in(t=t||{})&&(this.lineWidth=t.lineWidth,Array.isArray(this.lineWidth)||(this.lineWidth=[this.lineWidth,this.lineWidth,this.lineWidth])),"capSize"in t&&(this.capSize=t.capSize,Array.isArray(this.capSize)||(this.capSize=[this.capSize,this.capSize,this.capSize])),"opacity"in t&&(this.opacity=t.opacity);var e=t.color||[[0,0,0],[0,0,0],[0,0,0]],r=t.position,n=t.error;if(Array.isArray(e[0])||(e=[e,e,e]),r&&n){var o=[],s=r.length,l=0;this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.lineCount=[0,0,0];for(var u=0;u<3;++u){this.lineOffset[u]=l;t:for(var c=0;c0){var g;(g=f.slice())[u]+=d[1][u],o.push(f[0],f[1],f[2],p[0],p[1],p[2],p[3],0,0,0,g[0],g[1],g[2],p[0],p[1],p[2],p[3],0,0,0),i(this.bounds,g),l+=2+a(o,g,p,u)}}}this.lineCount[u]=l-this.lineOffset[u]}this.buffer.update(o)}},c.dispose=function(){this.shader.dispose(),this.buffer.dispose(),this.vao.dispose()}},{"./shaders/index":108,"gl-buffer":103,"gl-vao":158}],107:[function(t,e,r){e.exports=function(t){"string"==typeof t&&(t=[t]);for(var e=[].slice.call(arguments,1),r=[],n=0;n1&&h.drawBuffersWEBGL(g[f]);var y=r.getExtension("WEBGL_depth_texture");y?d?t.depth=o(r,u,c,y.UNSIGNED_INT_24_8_WEBGL,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p&&(t.depth=o(r,u,c,r.UNSIGNED_SHORT,r.DEPTH_COMPONENT,r.DEPTH_ATTACHMENT)):p&&d?t._depth_rb=s(r,u,c,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p?t._depth_rb=s(r,u,c,r.DEPTH_COMPONENT16,r.DEPTH_ATTACHMENT):d&&(t._depth_rb=s(r,u,c,r.STENCIL_INDEX,r.STENCIL_ATTACHMENT));var b=r.checkFramebufferStatus(r.FRAMEBUFFER);if(b!==r.FRAMEBUFFER_COMPLETE){for(t._destroyed=!0,r.bindFramebuffer(r.FRAMEBUFFER,null),r.deleteFramebuffer(t.handle),t.handle=null,t.depth&&(t.depth.dispose(),t.depth=null),t._depth_rb&&(r.deleteRenderbuffer(t._depth_rb),t._depth_rb=null),m=0;ms||r<0||r>s)throw new Error("gl-fbo: Can't resize FBO, invalid dimensions");t._shape[0]=e,t._shape[1]=r;for(var l=n(o),u=0;ua||r<0||r>a)throw new Error("gl-fbo: Parameters are too large for FBO");var o=1;if("color"in(n=n||{})){if((o=Math.max(0|n.color,0))<0)throw new Error("gl-fbo: Must specify a nonnegative number of colors");if(o>1){if(!i)throw new Error("gl-fbo: Multiple draw buffer extension not supported");if(o>t.getParameter(i.MAX_COLOR_ATTACHMENTS_WEBGL))throw new Error("gl-fbo: Context does not support "+o+" draw buffers")}}var s=t.UNSIGNED_BYTE,u=t.getExtension("OES_texture_float");if(n.float&&o>0){if(!u)throw new Error("gl-fbo: Context does not support floating point textures");s=t.FLOAT}else n.preferFloat&&o>0&&u&&(s=t.FLOAT);var c=!0;"depth"in n&&(c=!!n.depth);var v=!1;return"stencil"in n&&(v=!!n.stencil),new l(t,e,r,s,o,c,v,i)};var f,h,d,p,g=null,v=l.prototype;Object.defineProperties(v,{shape:{get:function(){return this._destroyed?[0,0]:this._shapeVector},set:function(t){if(Array.isArray(t)||(t=[0|t,0|t]),2!==t.length)throw new Error("gl-fbo: Shape vector must be length 2");var e=0|t[0],r=0|t[1];return u(this,e,r),[e,r]},enumerable:!1},width:{get:function(){return this._destroyed?0:this._shape[0]},set:function(t){return t|=0,u(this,t,this._shape[1]),t},enumerable:!1},height:{get:function(){return this._destroyed?0:this._shape[1]},set:function(t){return t|=0,u(this,this._shape[0],t),t},enumerable:!1}}),v.bind=function(){if(!this._destroyed){var t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.handle),t.viewport(0,0,this._shape[0],this._shape[1])}},v.dispose=function(){if(!this._destroyed){this._destroyed=!0;var t=this.gl;t.deleteFramebuffer(this.handle),this.handle=null,this.depth&&(this.depth.dispose(),this.depth=null),this._depth_rb&&(t.deleteRenderbuffer(this._depth_rb),this._depth_rb=null);for(var e=0;e FLOAT_MAX) {\n return vec4(127.0, 128.0, 0.0, 0.0) / 255.0;\n } else if(v < -FLOAT_MAX) {\n return vec4(255.0, 128.0, 0.0, 0.0) / 255.0;\n }\n\n highp vec4 c = vec4(0,0,0,0);\n\n //Compute exponent and mantissa\n highp float e = floor(log2(av));\n highp float m = av * pow(2.0, -e) - 1.0;\n \n //Unpack mantissa\n c[1] = floor(128.0 * m);\n m -= c[1] / 128.0;\n c[2] = floor(32768.0 * m);\n m -= c[2] / 32768.0;\n c[3] = floor(8388608.0 * m);\n \n //Unpack exponent\n highp float ebias = e + 127.0;\n c[0] = floor(ebias / 2.0);\n ebias -= c[0] * 2.0;\n c[1] += floor(ebias) * 128.0; \n\n //Unpack sign bit\n c[0] += 128.0 * step(0.0, -v);\n\n //Scale back to range\n return c / 255.0;\n}\n\n\n\nuniform float pickId;\nuniform vec3 clipBounds[2];\n\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(worldPosition, clipBounds[0])) || any(greaterThan(worldPosition, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId/255.0, encode_float_1_0(pixelArcLength).xyz);\n}",null,a)}},{"gl-shader":143}],112:[function(t,e,r){"use strict";function n(t,e){for(var r=0,n=0;n<3;++n){var i=t[n]-e[n];r+=i*i}return Math.sqrt(r)}function i(t){for(var e=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],r=0;r<3;++r)e[0][r]=Math.max(t[0][r],e[0][r]),e[1][r]=Math.min(t[1][r],e[1][r]);return e}function a(t,e,r,n){this.arcLength=t,this.position=e,this.index=r,this.dataCoordinate=n}function o(t,e,r,n,i,a){this.gl=t,this.shader=e,this.pickShader=r,this.buffer=n,this.vao=i,this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.points=[],this.arcLength=[],this.vertexCount=0,this.bounds=[[0,0,0],[0,0,0]],this.pickId=0,this.lineWidth=1,this.texture=a,this.dashScale=1,this.opacity=1,this.dirty=!0,this.pixelRatio=1}e.exports=function(t){var e=t.gl||t.scene&&t.scene.gl,r=p(e);r.attributes.position.location=0,r.attributes.nextPosition.location=1,r.attributes.arcLength.location=2,r.attributes.lineWidth.location=3,r.attributes.color.location=4;var n=g(e);n.attributes.position.location=0,n.attributes.nextPosition.location=1,n.attributes.arcLength.location=2,n.attributes.lineWidth.location=3,n.attributes.color.location=4;for(var i=s(e),a=l(e,[{buffer:i,size:3,offset:0,stride:48},{buffer:i,size:3,offset:12,stride:48},{buffer:i,size:1,offset:24,stride:48},{buffer:i,size:1,offset:28,stride:48},{buffer:i,size:4,offset:32,stride:48}]),c=h(new Array(1024),[256,1,4]),f=0;f<1024;++f)c.data[f]=255;var d=u(e,c);d.wrap=e.REPEAT;var v=new o(e,r,n,i,a,d);return v.update(t),v};var s=t("gl-buffer"),l=t("gl-vao"),u=t("gl-texture2d"),c=t("glsl-read-float"),f=t("binary-search-bounds"),h=t("ndarray"),d=t("./lib/shaders"),p=d.createShader,g=d.createPickShader,v=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],m=o.prototype;m.isTransparent=function(){return this.opacity<1},m.isOpaque=function(){return this.opacity>=1},m.pickSlots=1,m.setPickBase=function(t){this.pickId=t},m.drawTransparent=m.draw=function(t){var e=this.gl,r=this.shader,n=this.vao;r.bind(),r.uniforms={model:t.model||v,view:t.view||v,projection:t.projection||v,clipBounds:i(this.clipBounds),dashTexture:this.texture.bind(),dashScale:this.dashScale/this.arcLength[this.arcLength.length-1],opacity:this.opacity,screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},m.drawPick=function(t){var e=this.gl,r=this.pickShader,n=this.vao;r.bind(),r.uniforms={model:t.model||v,view:t.view||v,projection:t.projection||v,pickId:this.pickId,clipBounds:i(this.clipBounds),screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},m.update=function(t){var e,r;this.dirty=!0;var i=!!t.connectGaps;"dashScale"in t&&(this.dashScale=t.dashScale),"opacity"in t&&(this.opacity=+t.opacity);var a=t.position||t.positions;if(a){var o=t.color||t.colors||[0,0,0,1],s=t.lineWidth||1,l=[],u=[],c=[],d=0,p=0,g=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],v=!1;t:for(e=1;e0){for(var b=0;b<24;++b)l.push(l[l.length-12]);p+=2,v=!0}continue t}g[0][r]=Math.min(g[0][r],m[r],y[r]),g[1][r]=Math.max(g[1][r],m[r],y[r])}var x,_;Array.isArray(o[0])?(x=o[e-1],_=o[e]):x=_=o,3===x.length&&(x=[x[0],x[1],x[2],1]),3===_.length&&(_=[_[0],_[1],_[2],1]);var w;w=Array.isArray(s)?s[e-1]:s;var M=d;if(d+=n(m,y),v){for(r=0;r<2;++r)l.push(m[0],m[1],m[2],y[0],y[1],y[2],M,w,x[0],x[1],x[2],x[3]);p+=2,v=!1}l.push(m[0],m[1],m[2],y[0],y[1],y[2],M,w,x[0],x[1],x[2],x[3],m[0],m[1],m[2],y[0],y[1],y[2],M,-w,x[0],x[1],x[2],x[3],y[0],y[1],y[2],m[0],m[1],m[2],d,-w,_[0],_[1],_[2],_[3],y[0],y[1],y[2],m[0],m[1],m[2],d,w,_[0],_[1],_[2],_[3]),p+=4}if(this.buffer.update(l),u.push(d),c.push(a[a.length-1].slice()),this.bounds=g,this.vertexCount=p,this.points=c,this.arcLength=u,"dashes"in t){var A=t.dashes.slice();for(A.unshift(0),e=1;e1.0001)return null;v+=g[c]}return Math.abs(v-1)>.001?null:[f,function(t,e){for(var r=[0,0,0],n=0;n 0.25) {\n discard;\n }\n gl_FragColor = f_color * texture2D(texture, f_uv) * opacity;\n}",attributes:[{name:"position",type:"vec3"},{name:"color",type:"vec4"},{name:"uv",type:"vec2"},{name:"pointSize",type:"float"}]},r.pickShader={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute vec4 id;\n\nuniform mat4 model, view, projection;\n\nvarying vec3 f_position;\nvarying vec4 f_id;\n\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n f_id = id;\n f_position = position;\n}",fragment:n,attributes:[{name:"position",type:"vec3"},{name:"id",type:"vec4"}]},r.pointPickShader={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\nattribute float pointSize;\nattribute vec4 id;\n\nuniform mat4 model, view, projection;\nuniform vec3 clipBounds[2];\n\nvarying vec3 f_position;\nvarying vec4 f_id;\n\nvoid main() {\n if(any(lessThan(position, clipBounds[0])) || \n any(greaterThan(position, clipBounds[1]))) {\n gl_Position = vec4(0,0,0,0);\n } else {\n gl_Position = projection * view * model * vec4(position, 1.0);\n gl_PointSize = pointSize;\n }\n f_id = id;\n f_position = position;\n}",fragment:n,attributes:[{name:"position",type:"vec3"},{name:"pointSize",type:"float"},{name:"id",type:"vec4"}]},r.contourShader={vertex:"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position;\n\nuniform mat4 model, view, projection;\n\nvoid main() {\n gl_Position = projection * view * model * vec4(position, 1.0);\n}",fragment:"precision mediump float;\n#define GLSLIFY 1\n\nuniform vec3 contourColor;\n\nvoid main() {\n gl_FragColor = vec4(contourColor,1);\n}\n",attributes:[{name:"position",type:"vec3"}]}},{}],135:[function(t,e,r){"use strict";function n(t,e,r,n,i,a,o,s,l,u,c,f,h,d,p,g,v,m,y,b,x,_,w,A,k,T,E){this.gl=t,this.cells=[],this.positions=[],this.intensity=[],this.texture=e,this.dirty=!0,this.triShader=r,this.lineShader=n,this.pointShader=i,this.pickShader=a,this.pointPickShader=o,this.contourShader=s,this.trianglePositions=l,this.triangleColors=c,this.triangleNormals=h,this.triangleUVs=f,this.triangleIds=u,this.triangleVAO=d,this.triangleCount=0,this.lineWidth=1,this.edgePositions=p,this.edgeColors=v,this.edgeUVs=m,this.edgeIds=g,this.edgeVAO=y,this.edgeCount=0,this.pointPositions=b,this.pointColors=_,this.pointUVs=w,this.pointSizes=A,this.pointIds=x,this.pointVAO=k,this.pointCount=0,this.contourLineWidth=1,this.contourPositions=T,this.contourVAO=E,this.contourCount=0,this.contourColor=[0,0,0],this.contourEnable=!0,this.pickId=1,this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.lightPosition=[1e5,1e5,0],this.ambientLight=.8,this.diffuseLight=.8,this.specularLight=2,this.roughness=.5,this.fresnel=1.5,this.opacity=1,this._model=M,this._view=M,this._projection=M,this._resolution=[1,1]}var i=t("gl-shader"),a=t("gl-buffer"),o=t("gl-vao"),s=t("gl-texture2d"),l=t("normals"),u=t("gl-mat4/multiply"),c=t("gl-mat4/invert"),f=t("ndarray"),h=t("colormap"),d=t("simplicial-complex-contour"),p=t("typedarray-pool"),g=t("./lib/shaders"),v=t("./lib/closest-point"),m=g.meshShader,y=g.wireShader,b=g.pointShader,x=g.pickShader,_=g.pointPickShader,w=g.contourShader,M=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],A=n.prototype;A.isOpaque=function(){return this.opacity>=1},A.isTransparent=function(){return this.opacity<1},A.pickSlots=1,A.setPickBase=function(t){this.pickId=t},A.highlight=function(t){if(t&&this.contourEnable){for(var e=d(this.cells,this.intensity,t.intensity),r=e.cells,n=e.vertexIds,i=e.vertexWeights,a=r.length,o=p.mallocFloat32(6*a),s=0,l=0;l0){(p=this.triShader).bind(),p.uniforms=s,this.triangleVAO.bind(),e.drawArrays(e.TRIANGLES,0,3*this.triangleCount),this.triangleVAO.unbind()}if(this.edgeCount>0&&this.lineWidth>0){(p=this.lineShader).bind(),p.uniforms=s,this.edgeVAO.bind(),e.lineWidth(this.lineWidth),e.drawArrays(e.LINES,0,2*this.edgeCount),this.edgeVAO.unbind()}if(this.pointCount>0){(p=this.pointShader).bind(),p.uniforms=s,this.pointVAO.bind(),e.drawArrays(e.POINTS,0,this.pointCount),this.pointVAO.unbind()}if(this.contourEnable&&this.contourCount>0&&this.contourLineWidth>0){var p;(p=this.contourShader).bind(),p.uniforms=s,this.contourVAO.bind(),e.drawArrays(e.LINES,0,this.contourCount),this.contourVAO.unbind()}},A.drawPick=function(t){t=t||{};for(var e=this.gl,r=t.model||M,n=t.view||M,i=t.projection||M,a=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],o=0;o<3;++o)a[0][o]=Math.max(a[0][o],this.clipBounds[0][o]),a[1][o]=Math.min(a[1][o],this.clipBounds[1][o]);this._model=[].slice.call(r),this._view=[].slice.call(n),this._projection=[].slice.call(i),this._resolution=[e.drawingBufferWidth,e.drawingBufferHeight];var s={model:r,view:n,projection:i,clipBounds:a,pickId:this.pickId/255};if((l=this.pickShader).bind(),l.uniforms=s,this.triangleCount>0&&(this.triangleVAO.bind(),e.drawArrays(e.TRIANGLES,0,3*this.triangleCount),this.triangleVAO.unbind()),this.edgeCount>0&&(this.edgeVAO.bind(),e.lineWidth(this.lineWidth),e.drawArrays(e.LINES,0,2*this.edgeCount),this.edgeVAO.unbind()),this.pointCount>0){var l;(l=this.pointPickShader).bind(),l.uniforms=s,this.pointVAO.bind(),e.drawArrays(e.POINTS,0,this.pointCount),this.pointVAO.unbind()}},A.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;for(var e=t.value[0]+256*t.value[1]+65536*t.value[2],r=this.cells[e],n=this.positions,i=new Array(r.length),a=0;a0){r=Math.round(Math.pow(10,e));return Math.ceil(t/r)*r}return Math.ceil(t)}function i(t){return"boolean"!=typeof t||t}e.exports=function(t){function e(){if(!b&&U.autoResize){var t=x.parentNode,e=1,r=1;t&&t!==document.body?(e=t.clientWidth,r=t.clientHeight):(e=window.innerWidth,r=window.innerHeight);var n=0|Math.ceil(e*U.pixelRatio),i=0|Math.ceil(r*U.pixelRatio);if(n!==x.width||i!==x.height){x.width=n,x.height=i;var a=x.style;a.position=a.position||"absolute",a.left="0px",a.top="0px",a.width=e+"px",a.height=r+"px",N=!0}}}function r(){for(var t=P.length,e=I.length,r=0;r0&&0===O[e-1];)O.pop(),I.pop().dispose()}function v(){if(U.contextLost)return!0;_.isContextLost()&&(U.contextLost=!0,U.mouseListener.enabled=!1,U.selection.object=null,U.oncontextloss&&U.oncontextloss())}function m(){if(!v()){e();var t=U.camera.tick();F.view=U.camera.matrix,N=N||t,D=D||t,L.pixelRatio=U.pixelRatio,S.pixelRatio=U.pixelRatio;var r=P.length,i=G[0],a=G[1];i[0]=i[1]=i[2]=1/0,a[0]=a[1]=a[2]=-1/0;for(var o=0;oM.distance)continue;for(var u=0;u1e-6?(i=Math.acos(a),o=Math.sin(i),s=Math.sin((1-n)*i)/o,l=Math.sin(n*i)/o):(s=1-n,l=n),t[0]=s*u+l*d,t[1]=s*c+l*p,t[2]=s*f+l*g,t[3]=s*h+l*v,t}},{}],139:[function(t,e,r){"use strict";var n=t("vectorize-text");e.exports=function(t,e){var r=i[e];if(r||(r=i[e]={}),t in r)return r[t];for(var a=n(t,{textAlign:"center",textBaseline:"middle",lineHeight:1,font:e}),o=n(t,{triangles:!0,textAlign:"center",textBaseline:"middle",lineHeight:1,font:e}),s=[[1/0,1/0],[-1/0,-1/0]],l=0;lMath.abs(D[1])){var z=N;N=D,D=z,z=O,O=I,I=z;var j=P;P=R,R=j}N[0]<0&&(O[P]=-1),D[1]>0&&(I[R]=-1);var F=0,B=0;for(S=0;S<4;++S)F+=Math.pow(d[4*P+S],2),B+=Math.pow(d[4*R+S],2);O[P]/=Math.sqrt(F),I[R]/=Math.sqrt(B),h.axes[0]=O,h.axes[1]=I,h.fragClipBounds[0]=l(k,E[0],L,-1e8),h.fragClipBounds[1]=l(k,E[1],L,1e8),e.vao.draw(f.TRIANGLES,e.vertexCount),e.lineWidth>0&&(f.lineWidth(e.lineWidth),e.vao.draw(f.LINES,e.lineVertexCount,e.vertexCount))}}function c(t,e,r,n,i,a){var o=r.gl;if(r.vao.bind(),i===r.opacity<1||a){t.bind();var s=t.uniforms;s.model=n.model||m,s.view=n.view||m,s.projection=n.projection||m,b[0]=2/o.drawingBufferWidth,b[1]=2/o.drawingBufferHeight,s.screenSize=b,s.highlightId=r.highlightId,s.highlightScale=r.highlightScale,s.fragClipBounds=E,s.clipBounds=r.axes.bounds,s.opacity=r.opacity,s.pickGroup=r.pickId/255,s.pixelRatio=r.pixelRatio,r.vao.draw(o.TRIANGLES,r.vertexCount),r.lineWidth>0&&(o.lineWidth(r.lineWidth),r.vao.draw(o.LINES,r.lineVertexCount,r.vertexCount))}u(e,r,n,i),r.vao.unbind()}var f=t("gl-buffer"),h=t("gl-vao"),d=t("typedarray-pool"),p=t("gl-mat4/multiply"),g=t("./lib/shaders"),v=t("./lib/glyphs"),m=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];e.exports=function(t){var e=t.gl,r=g.createPerspective(e),n=g.createOrtho(e),i=g.createProject(e),o=g.createPickPerspective(e),s=g.createPickOrtho(e),l=g.createPickProject(e),u=f(e),c=f(e),d=f(e),p=f(e),v=new a(e,r,n,i,u,c,d,p,h(e,[{buffer:u,size:3,type:e.FLOAT},{buffer:c,size:4,type:e.FLOAT},{buffer:d,size:2,type:e.FLOAT},{buffer:p,size:4,type:e.UNSIGNED_BYTE,normalized:!0}]),o,s,l);return v.update(t),v};var y=a.prototype;y.pickSlots=1,y.setPickBase=function(t){this.pickId=t},y.isTransparent=function(){if(this.opacity<1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]<1)return!0;return!1},y.isOpaque=function(){if(this.opacity>=1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]>=1)return!0;return!1};var b=[0,0],x=[0,0,0],_=[0,0,0],w=[0,0,0,1],M=[0,0,0,1],A=m.slice(),k=[0,0,0],T=[[0,0,0],[0,0,0]],E=[[-1e8,-1e8,-1e8],[1e8,1e8,1e8]];y.draw=function(t){c(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!1,!1)},y.drawTransparent=function(t){c(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!0,!1)},y.drawPick=function(t){c(this.useOrtho?this.pickOrthoShader:this.pickPerspectiveShader,this.pickProjectShader,this,t,!1,!0)},y.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;var e=t.value[2]+(t.value[1]<<8)+(t.value[0]<<16);if(e>=this.pointCount||e<0)return null;var r=this.points[e],n=this._selectResult;n.index=e;for(var i=0;i<3;++i)n.position[i]=n.dataCoordinate[i]=r[i];return n},y.highlight=function(t){if(t){var e=t.index,r=255&e,n=e>>8&255,i=e>>16&255;this.highlightId=[r/255,n/255,i/255,0]}else this.highlightId=[1,1,1,1]},y.update=function(t){if("perspective"in(t=t||{})&&(this.useOrtho=!t.perspective),"orthographic"in t&&(this.useOrtho=!!t.orthographic),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"project"in t)if(Array.isArray(t.project))this.axesProject=t.project;else{var e=!!t.project;this.axesProject=[e,e,e]}if("projectScale"in t)if(Array.isArray(t.projectScale))this.projectScale=t.projectScale.slice();else{var r=+t.projectScale;this.projectScale=[r,r,r]}if("projectOpacity"in t)if(Array.isArray(t.projectOpacity))this.projectOpacity=t.projectOpacity.slice();else{r=+t.projectOpacity;this.projectOpacity=[r,r,r]}"opacity"in t&&(this.opacity=t.opacity),this.dirty=!0;var n=t.position;if(n){var i=t.font||"normal",a=t.alignment||[0,0],o=[1/0,1/0,1/0],s=[-1/0,-1/0,-1/0],l=t.glyph,u=t.color,c=t.size,f=t.angle,h=t.lineColor,p=0,g=0,m=0,y=n.length;t:for(var b=0;b0&&(S[0]=-a[0]*(1+A[0][0]));var H=w.cells,q=w.positions;for(_=0;_this.buffer.length){a.free(this.buffer);for(var n=this.buffer=a.mallocUint8(s(r*e*4)),i=0;i=0){for(var A=0|M.type.charAt(M.type.length-1),k=new Array(A),T=0;T=0;)E+=1;_[w]=E}var L=new Array(r.length);f(),d._relink=f,d.types={uniforms:s(r),attributes:s(n)},d.attributes=o(p,d,b,_),Object.defineProperty(d,"uniforms",a(p,d,r,L))},e.exports=function(t,e,r,i,a){var o=new n(t);return o.update(e,r,i,a),o}},{"./lib/GLError":144,"./lib/create-attributes":145,"./lib/create-uniforms":146,"./lib/reflect":147,"./lib/runtime-reflect":148,"./lib/shader-cache":149}],144:[function(t,e,r){function n(t,e,r){this.shortMessage=e||"",this.longMessage=r||"",this.rawError=t||"",this.message="gl-shader: "+(e||t||"")+(r?"\n"+r:""),this.stack=(new Error).stack}(n.prototype=new Error).name="GLError",n.prototype.constructor=n,e.exports=n},{}],145:[function(t,e,r){"use strict";function n(t,e,r,n,i,a){this._gl=t,this._wrapper=e,this._index=r,this._locations=n,this._dimension=i,this._constFunc=a}function i(t,e,r,i,a,o,s){for(var l=["gl","v"],u=[],c=0;c=0){if((p=h.charCodeAt(h.length-1)-48)<2||p>4)throw new o("","Invalid data type for attribute "+f+": "+h);i(t,e,d[0],n,p,s,f)}else{if(!(h.indexOf("mat")>=0))throw new o("","Unknown data type for attribute "+f+": "+h);var p;if((p=h.charCodeAt(h.length-1)-48)<2||p>4)throw new o("","Invalid data type for attribute "+f+": "+h);a(t,e,d,n,p,s,f)}}}return s};var o=t("./GLError"),s=n.prototype;s.pointer=function(t,e,r,n){var i=this._gl,a=this._locations[this._index];i.vertexAttribPointer(a,this._dimension,t||i.FLOAT,!!e,r||0,n||0),i.enableVertexAttribArray(a)},s.set=function(t,e,r,n){return this._constFunc(this._locations[this._index],t,e,r,n)},Object.defineProperty(s,"location",{get:function(){return this._locations[this._index]},set:function(t){return t!==this._locations[this._index]&&(this._locations[this._index]=0|t,this._wrapper.program=null),0|t}})},{"./GLError":144}],146:[function(t,e,r){"use strict";function n(t){return new Function("y","return function(){return y}")(t)}function i(t,e){for(var r=new Array(t),n=0;n4)throw new o("","Invalid uniform dimension type for matrix "+name+": "+r);return"gl.uniformMatrix"+i+"fv(locations["+e+"],false,obj"+t+")"}throw new o("","Unknown uniform data type for "+name+": "+r)}var i;if((i=r.charCodeAt(r.length-1)-48)<2||i>4)throw new o("","Invalid data type");switch(r.charAt(0)){case"b":case"i":return"gl.uniform"+i+"iv(locations["+e+"],obj"+t+")";case"v":return"gl.uniform"+i+"fv(locations["+e+"],obj"+t+")";default:throw new o("","Unrecognized data type for vector "+name+": "+r)}}}function u(t,e){if("object"!=typeof e)return[[t,e]];var r=[];for(var n in e){var i=e[n],a=t;parseInt(n)+""===n?a+="["+n+"]":a+="."+n,"object"==typeof i?r.push.apply(r,u(a,i)):r.push([a,i])}return r}function c(e){for(var n=["return function updateProperty(obj){"],i=u("",e),a=0;a4)throw new o("","Invalid data type");return"b"===t.charAt(0)?i(r,!1):i(r,0)}if(0===t.indexOf("mat")&&4===t.length){var r;if((r=t.charCodeAt(t.length-1)-48)<2||r>4)throw new o("","Invalid uniform dimension type for matrix "+name+": "+t);return i(r*r,0)}throw new o("","Unknown uniform data type for "+name+": "+t)}}(r[u].type)}function h(t){var e;if(Array.isArray(t)){e=new Array(t.length);for(var r=0;r1){s[0]in a||(a[s[0]]=[]),a=a[s[0]];for(var l=1;l1)for(var l=0;l0)][r],x(l,t.model,l);var u=D.clipBounds[r];for(i=0;i<2;++i)for(n=0;n<3;++n)u[i][n]=t.clipBounds[i][n];u[0][r]=-1e8,u[1][r]=1e8}return D.showSurface=o,D.showContour=s,D}function a(t,e){t=t||{};var r=this.gl;r.disable(r.CULL_FACE),this._colorMap.bind(0);var n=z;n.model=t.model||S,n.view=t.view||S,n.projection=t.projection||S,n.lowerBound=[this.bounds[0][0],this.bounds[0][1],this.colorBounds[0]||this.bounds[0][2]],n.upperBound=[this.bounds[1][0],this.bounds[1][1],this.colorBounds[1]||this.bounds[1][2]],n.contourColor=this.contourColor[0],n.inverseModel=_(n.inverseModel,n.model);for(var a=0;a<2;++a)for(var o=n.clipBounds[a],s=0;s<3;++s)o[s]=Math.min(Math.max(this.clipBounds[a][s],-1e8),1e8);n.kambient=this.ambientLight,n.kdiffuse=this.diffuseLight,n.kspecular=this.specularLight,n.roughness=this.roughness,n.fresnel=this.fresnel,n.opacity=this.opacity,n.height=0,n.permutation=F,n.vertexColor=this.vertexColor;var l=j;for(x(l,n.view,n.model),x(l,n.projection,l),_(l,l),a=0;a<3;++a)n.eyePosition[a]=l[12+a]/l[15];var u=l[15];for(a=0;a<3;++a)u+=this.lightPosition[a]*l[4*a+3];for(a=0;a<3;++a){var c=l[12+a];for(s=0;s<3;++s)c+=l[4*s+a]*this.lightPosition[s];n.lightPosition[a]=c/u}var f=i(n,this);if(f.showSurface&&e===this.opacity<1){for(this._shader.bind(),this._shader.uniforms=n,this._vao.bind(),this.showSurface&&this._vertexCount&&this._vao.draw(r.TRIANGLES,this._vertexCount),a=0;a<3;++a)this.surfaceProject[a]&&this.vertexCount&&(this._shader.uniforms.model=f.projections[a],this._shader.uniforms.clipBounds=f.clipBounds[a],this._vao.draw(r.TRIANGLES,this._vertexCount));this._vao.unbind()}if(f.showContour&&!e){var h=this._contourShader;n.kambient=1,n.kdiffuse=0,n.kspecular=0,n.opacity=1,h.bind(),h.uniforms=n;var d=this._contourVAO;for(d.bind(),a=0;a<3;++a)for(h.uniforms.permutation=R[a],r.lineWidth(this.contourWidth[a]),s=0;s=1)return!0;for(var t=0;t<3;++t)if(this._contourCounts[t].length>0||this._dynamicCounts[t]>0)return!0;return!1},I.pickSlots=1,I.setPickBase=function(t){this.pickId=t};var N=[0,0,0],D={showSurface:!1,showContour:!1,projections:[S.slice(),S.slice(),S.slice()],clipBounds:[[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]]]},z={model:S,view:S,projection:S,inverseModel:S.slice(),lowerBound:[0,0,0],upperBound:[0,0,0],colorMap:0,clipBounds:[[0,0,0],[0,0,0]],height:0,contourTint:0,contourColor:[0,0,0,1],permutation:[1,0,0,0,1,0,0,0,1],zOffset:-1e-4,kambient:1,kdiffuse:1,kspecular:1,lightPosition:[1e3,1e3,1e3],eyePosition:[0,0,0],roughness:1,fresnel:1,opacity:1,vertexColor:0},j=S.slice(),F=[1,0,0,0,1,0,0,0,1];I.draw=function(t){return a.call(this,t,!1)},I.drawTransparent=function(t){return a.call(this,t,!0)};var B={model:S,view:S,projection:S,inverseModel:S,clipBounds:[[0,0,0],[0,0,0]],height:0,shape:[0,0],pickId:0,lowerBound:[0,0,0],upperBound:[0,0,0],zOffset:0,permutation:[1,0,0,0,1,0,0,0,1],lightPosition:[0,0,0],eyePosition:[0,0,0]};I.drawPick=function(t){t=t||{};var e=this.gl;e.disable(e.CULL_FACE);var r=B;r.model=t.model||S,r.view=t.view||S,r.projection=t.projection||S,r.shape=this._field[2].shape,r.pickId=this.pickId/255,r.lowerBound=this.bounds[0],r.upperBound=this.bounds[1],r.permutation=F;for(var n=0;n<2;++n)for(var a=r.clipBounds[n],o=0;o<3;++o)a[o]=Math.min(Math.max(this.clipBounds[n][o],-1e8),1e8);var s=i(r,this);if(s.showSurface){for(this._pickShader.bind(),this._pickShader.uniforms=r,this._vao.bind(),this._vao.draw(e.TRIANGLES,this._vertexCount),n=0;n<3;++n)this.surfaceProject[n]&&(this._pickShader.uniforms.model=s.projections[n],this._pickShader.uniforms.clipBounds=s.clipBounds[n],this._vao.draw(e.TRIANGLES,this._vertexCount));this._vao.unbind()}if(s.showContour){var l=this._contourPickShader;l.bind(),l.uniforms=r;var u=this._contourVAO;for(u.bind(),o=0;o<3;++o)for(e.lineWidth(this.contourWidth[o]),l.uniforms.permutation=R[o],n=0;n>4)/16)/255,i=Math.floor(n),a=n-i,o=e[1]*(t.value[1]+(15&t.value[2])/16)/255,s=Math.floor(o),l=o-s;i+=1,s+=1;var u=r.position;u[0]=u[1]=u[2]=0;for(var c=0;c<2;++c)for(var f=c?a:1-a,h=0;h<2;++h)for(var d=i+c,p=s+h,g=f*(h?l:1-l),v=0;v<3;++v)u[v]+=this._field[v].get(d,p)*g;for(var m=this._pickResult.level,y=0;y<3;++y)if(m[y]=w.le(this.contourLevels[y],u[y]),m[y]<0)this.contourLevels[y].length>0&&(m[y]=0);else if(m[y]Math.abs(x-u[y])&&(m[y]+=1)}for(r.index[0]=a<.5?i:i+1,r.index[1]=l<.5?s:s+1,r.uv[0]=n/e[0],r.uv[1]=o/e[1],v=0;v<3;++v)r.dataCoordinate[v]=this._field[v].get(r.index[0],r.index[1]);return r},I.update=function(t){t=t||{},this.dirty=!0,"contourWidth"in t&&(this.contourWidth=s(t.contourWidth,Number)),"showContour"in t&&(this.showContour=s(t.showContour,Boolean)),"showSurface"in t&&(this.showSurface=!!t.showSurface),"contourTint"in t&&(this.contourTint=s(t.contourTint,Boolean)),"contourColor"in t&&(this.contourColor=u(t.contourColor)),"contourProject"in t&&(this.contourProject=s(t.contourProject,function(t){return s(t,Boolean)})),"surfaceProject"in t&&(this.surfaceProject=t.surfaceProject),"dynamicColor"in t&&(this.dynamicColor=u(t.dynamicColor)),"dynamicTint"in t&&(this.dynamicTint=s(t.dynamicTint,Number)),"dynamicWidth"in t&&(this.dynamicWidth=s(t.dynamicWidth,Number)),"opacity"in t&&(this.opacity=t.opacity),"colorBounds"in t&&(this.colorBounds=t.colorBounds),"vertexColor"in t&&(this.vertexColor=t.vertexColor?1:0);var e=t.field||t.coords&&t.coords[2]||null,r=!1;if(e||(e=this._field[2].shape[0]||this._field[2].shape[2]?this._field[2].lo(1,1).hi(this._field[2].shape[0]-2,this._field[2].shape[1]-2):this._field[2].hi(0,0)),"field"in t||"coords"in t){var n=(e.shape[0]+2)*(e.shape[1]+2);n>this._field[2].data.length&&(p.freeFloat(this._field[2].data),this._field[2].data=p.mallocFloat(c.nextPow2(n))),this._field[2]=y(this._field[2].data,[e.shape[0]+2,e.shape[1]+2]),o(this._field[2],e),this.shape=e.shape.slice();for(var i=this.shape,a=0;a<2;++a)this._field[2].size>this._field[a].data.length&&(p.freeFloat(this._field[a].data),this._field[a].data=p.mallocFloat(this._field[2].size)),this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2]);if(t.coords){var l=t.coords;if(!Array.isArray(l)||3!==l.length)throw new Error("gl-surface: invalid coordinates for x/y");for(a=0;a<2;++a){var f=l[a];for(w=0;w<2;++w)if(f.shape[w]!==i[w])throw new Error("gl-surface: coords have incorrect shape");o(this._field[a],f)}}else if(t.ticks){var h=t.ticks;if(!Array.isArray(h)||2!==h.length)throw new Error("gl-surface: invalid ticks");for(a=0;a<2;++a){var d=h[a];if((Array.isArray(d)||d.length)&&(d=y(d)),d.shape[0]!==i[a])throw new Error("gl-surface: invalid tick length");var x=y(d.data,i);x.stride[a]=d.stride[0],x.stride[1^a]=0,o(this._field[a],x)}}else{for(a=0;a<2;++a){var _=[0,0];_[a]=1,this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2],_,0)}this._field[0].set(0,0,0);for(var w=0;w0){for(var Mt=0;Mt<5;++Mt)nt.pop();X-=1}continue t}nt.push(st[0],st[1],ct[0],ct[1],st[2]),X+=1}}ot.push(X)}this._contourOffsets[it]=at,this._contourCounts[it]=ot}var At=p.mallocFloat(nt.length);for(a=0;ai||r<0||r>i)throw new Error("gl-texture2d: Invalid texture size");return t._shape=[e,r],t.bind(),n.texImage2D(n.TEXTURE_2D,0,t.format,e,r,0,t.format,t.type,null),t._mipLevels=[0],t}function a(t,e,r,n,i,a){this.gl=t,this.handle=e,this.format=i,this.type=a,this._shape=[r,n],this._mipLevels=[0],this._magFilter=t.NEAREST,this._minFilter=t.NEAREST,this._wrapS=t.CLAMP_TO_EDGE,this._wrapT=t.CLAMP_TO_EDGE,this._anisoSamples=1;var o=this,s=[this._wrapS,this._wrapT];Object.defineProperties(s,[{get:function(){return o._wrapS},set:function(t){return o.wrapS=t}},{get:function(){return o._wrapT},set:function(t){return o.wrapT=t}}]),this._wrapVector=s;var l=[this._shape[0],this._shape[1]];Object.defineProperties(l,[{get:function(){return o._shape[0]},set:function(t){return o.width=t}},{get:function(){return o._shape[1]},set:function(t){return o.height=t}}]),this._shapeVector=l}function o(t,e){return 3===t.length?1===e[2]&&e[1]===t[0]*t[2]&&e[0]===t[2]:1===e[0]&&e[1]===t[0]}function s(t){var e=t.createTexture();return t.bindTexture(t.TEXTURE_2D,e),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),e}function l(t,e,r,n,i){var o=t.getParameter(t.MAX_TEXTURE_SIZE);if(e<0||e>o||r<0||r>o)throw new Error("gl-texture2d: Invalid texture shape");if(i===t.FLOAT&&!t.getExtension("OES_texture_float"))throw new Error("gl-texture2d: Floating point textures not supported on this platform");var l=s(t);return t.texImage2D(t.TEXTURE_2D,0,n,e,r,0,n,i,null),new a(t,l,e,r,n,i)}var u=t("ndarray"),c=t("ndarray-ops"),f=t("typedarray-pool");e.exports=function(t){if(arguments.length<=1)throw new Error("gl-texture2d: Missing arguments for texture2d constructor");if(h||function(t){h=[t.LINEAR,t.NEAREST_MIPMAP_LINEAR,t.LINEAR_MIPMAP_NEAREST,t.LINEAR_MIPMAP_NEAREST],d=[t.NEAREST,t.LINEAR,t.NEAREST_MIPMAP_NEAREST,t.NEAREST_MIPMAP_LINEAR,t.LINEAR_MIPMAP_NEAREST,t.LINEAR_MIPMAP_LINEAR],p=[t.REPEAT,t.CLAMP_TO_EDGE,t.MIRRORED_REPEAT]}(t),"number"==typeof arguments[1])return l(t,arguments[1],arguments[2],arguments[3]||t.RGBA,arguments[4]||t.UNSIGNED_BYTE);if(Array.isArray(arguments[1]))return l(t,0|arguments[1][0],0|arguments[1][1],arguments[2]||t.RGBA,arguments[3]||t.UNSIGNED_BYTE);if("object"==typeof arguments[1]){var e=arguments[1],r=n(e)?e:e.raw;if(r)return function(t,e,r,n,i,o){var l=s(t);return t.texImage2D(t.TEXTURE_2D,0,i,i,o,e),new a(t,l,r,n,i,o)}(t,r,0|e.width,0|e.height,arguments[2]||t.RGBA,arguments[3]||t.UNSIGNED_BYTE);if(e.shape&&e.data&&e.stride)return function(t,e){var r=e.dtype,n=e.shape.slice(),i=t.getParameter(t.MAX_TEXTURE_SIZE);if(n[0]<0||n[0]>i||n[1]<0||n[1]>i)throw new Error("gl-texture2d: Invalid texture size");var l=o(n,e.stride.slice()),h=0;"float32"===r?h=t.FLOAT:"float64"===r?(h=t.FLOAT,l=!1,r="float32"):"uint8"===r?h=t.UNSIGNED_BYTE:(h=t.UNSIGNED_BYTE,l=!1,r="uint8");var d=0;if(2===n.length)d=t.LUMINANCE,n=[n[0],n[1],1],e=u(e.data,n,[e.stride[0],e.stride[1],1],e.offset);else{if(3!==n.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===n[2])d=t.ALPHA;else if(2===n[2])d=t.LUMINANCE_ALPHA;else if(3===n[2])d=t.RGB;else{if(4!==n[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");d=t.RGBA}}h!==t.FLOAT||t.getExtension("OES_texture_float")||(h=t.UNSIGNED_BYTE,l=!1);var p,v,m=e.size;if(l)p=0===e.offset&&e.data.length===m?e.data:e.data.subarray(e.offset,e.offset+m);else{var y=[n[2],n[2]*n[0],1];v=f.malloc(m,r);var b=u(v,n,y,0);"float32"!==r&&"float64"!==r||h!==t.UNSIGNED_BYTE?c.assign(b,e):g(b,e),p=v.subarray(0,m)}var x=s(t);return t.texImage2D(t.TEXTURE_2D,0,d,n[0],n[1],0,d,h,p),l||f.free(v),new a(t,x,n[0],n[1],d,h)}(t,e)}throw new Error("gl-texture2d: Invalid arguments for texture2d constructor")};var h=null,d=null,p=null,g=function(t,e){c.muls(t,e,255)},v=a.prototype;Object.defineProperties(v,{minFilter:{get:function(){return this._minFilter},set:function(t){this.bind();var e=this.gl;if(this.type===e.FLOAT&&h.indexOf(t)>=0&&(e.getExtension("OES_texture_float_linear")||(t=e.NEAREST)),d.indexOf(t)<0)throw new Error("gl-texture2d: Unknown filter mode "+t);return e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,t),this._minFilter=t}},magFilter:{get:function(){return this._magFilter},set:function(t){this.bind();var e=this.gl;if(this.type===e.FLOAT&&h.indexOf(t)>=0&&(e.getExtension("OES_texture_float_linear")||(t=e.NEAREST)),d.indexOf(t)<0)throw new Error("gl-texture2d: Unknown filter mode "+t);return e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,t),this._magFilter=t}},mipSamples:{get:function(){return this._anisoSamples},set:function(t){var e=this._anisoSamples;if(this._anisoSamples=0|Math.max(t,1),e!==this._anisoSamples){var r=this.gl.getExtension("EXT_texture_filter_anisotropic");r&&this.gl.texParameterf(this.gl.TEXTURE_2D,r.TEXTURE_MAX_ANISOTROPY_EXT,this._anisoSamples)}return this._anisoSamples}},wrapS:{get:function(){return this._wrapS},set:function(t){if(this.bind(),p.indexOf(t)<0)throw new Error("gl-texture2d: Unknown wrap mode "+t);return this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_S,t),this._wrapS=t}},wrapT:{get:function(){return this._wrapT},set:function(t){if(this.bind(),p.indexOf(t)<0)throw new Error("gl-texture2d: Unknown wrap mode "+t);return this.gl.texParameteri(this.gl.TEXTURE_2D,this.gl.TEXTURE_WRAP_T,t),this._wrapT=t}},wrap:{get:function(){return this._wrapVector},set:function(t){if(Array.isArray(t)||(t=[t,t]),2!==t.length)throw new Error("gl-texture2d: Must specify wrap mode for rows and columns");for(var e=0;e<2;++e)if(p.indexOf(t[e])<0)throw new Error("gl-texture2d: Unknown wrap mode "+t);this._wrapS=t[0],this._wrapT=t[1];var r=this.gl;return this.bind(),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_S,this._wrapS),r.texParameteri(r.TEXTURE_2D,r.TEXTURE_WRAP_T,this._wrapT),t}},shape:{get:function(){return this._shapeVector},set:function(t){if(Array.isArray(t)){if(2!==t.length)throw new Error("gl-texture2d: Invalid texture shape")}else t=[0|t,0|t];return i(this,0|t[0],0|t[1]),[0|t[0],0|t[1]]}},width:{get:function(){return this._shape[0]},set:function(t){return t|=0,i(this,t,this._shape[1]),t}},height:{get:function(){return this._shape[1]},set:function(t){return t|=0,i(this,this._shape[0],t),t}}}),v.bind=function(t){var e=this.gl;return void 0!==t&&e.activeTexture(e.TEXTURE0+(0|t)),e.bindTexture(e.TEXTURE_2D,this.handle),void 0!==t?0|t:e.getParameter(e.ACTIVE_TEXTURE)-e.TEXTURE0},v.dispose=function(){this.gl.deleteTexture(this.handle)},v.generateMipmap=function(){this.bind(),this.gl.generateMipmap(this.gl.TEXTURE_2D);for(var t=Math.min(this._shape[0],this._shape[1]),e=0;t>0;++e,t>>>=1)this._mipLevels.indexOf(e)<0&&this._mipLevels.push(e)},v.setPixels=function(t,e,r,i){var a=this.gl;this.bind(),Array.isArray(e)?(i=r,r=0|e[1],e=0|e[0]):(e=e||0,r=r||0),i=i||0;var s=n(t)?t:t.raw;if(s){this._mipLevels.indexOf(i)<0?(a.texImage2D(a.TEXTURE_2D,0,this.format,this.format,this.type,s),this._mipLevels.push(i)):a.texSubImage2D(a.TEXTURE_2D,i,e,r,this.format,this.type,s)}else{if(!(t.shape&&t.stride&&t.data))throw new Error("gl-texture2d: Unsupported data type");if(t.shape.length<2||e+t.shape[1]>this._shape[1]>>>i||r+t.shape[0]>this._shape[0]>>>i||e<0||r<0)throw new Error("gl-texture2d: Texture dimensions are out of bounds");!function(t,e,r,n,i,a,s,l){var h=l.dtype,d=l.shape.slice();if(d.length<2||d.length>3)throw new Error("gl-texture2d: Invalid ndarray, must be 2d or 3d");var p=0,v=0,m=o(d,l.stride.slice());if("float32"===h?p=t.FLOAT:"float64"===h?(p=t.FLOAT,m=!1,h="float32"):"uint8"===h?p=t.UNSIGNED_BYTE:(p=t.UNSIGNED_BYTE,m=!1,h="uint8"),2===d.length)v=t.LUMINANCE,d=[d[0],d[1],1],l=u(l.data,d,[l.stride[0],l.stride[1],1],l.offset);else{if(3!==d.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===d[2])v=t.ALPHA;else if(2===d[2])v=t.LUMINANCE_ALPHA;else if(3===d[2])v=t.RGB;else{if(4!==d[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");v=t.RGBA}d[2]}if(v!==t.LUMINANCE&&v!==t.ALPHA||i!==t.LUMINANCE&&i!==t.ALPHA||(v=i),v!==i)throw new Error("gl-texture2d: Incompatible texture format for setPixels");var 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p,m,y=c.readability(d.color,u)<1.5?v.contrast(u):d.color,b=n.spikemode,x=n.spikethickness,_=n.spikecolor||y,w=n._boundingBox,M=(w.left+w.right)/2=2/3},r.isCenterAnchor=function(t){return"center"===t.xanchor||"auto"===t.xanchor&&t.x>1/3&&t.x<2/3},r.isBottomAnchor=function(t){return"bottom"===t.yanchor||"auto"===t.yanchor&&t.y<=1/3},r.isMiddleAnchor=function(t){return"middle"===t.yanchor||"auto"===t.yanchor&&t.y>1/3&&t.y<2/3}},{}],350:[function(t,e,r){"use strict";var n=t("../../plots/font_attributes"),i=t("../color/attributes");e.exports={bgcolor:{valType:"color",editType:"legend"},bordercolor:{valType:"color",dflt:i.defaultLine,editType:"legend"},borderwidth:{valType:"number",min:0,dflt:0,editType:"legend"},font:n({editType:"legend"}),orientation:{valType:"enumerated",values:["v","h"],dflt:"v",editType:"legend"},traceorder:{valType:"flaglist",flags:["reversed","grouped"],extras:["normal"],editType:"legend"},tracegroupgap:{valType:"number",min:0,dflt:10,editType:"legend"},x:{valType:"number",min:-2,max:3,dflt:1.02,editType:"legend"},xanchor:{valType:"enumerated",values:["auto","left","center","right"],dflt:"left",editType:"legend"},y:{valType:"number",min:-2,max:3,dflt:1,editType:"legend"},yanchor:{valType:"enumerated",values:["auto","top","middle","bottom"],dflt:"auto",editType:"legend"},editType:"legend"}},{"../../plots/font_attributes":491,"../color/attributes":297}],351:[function(t,e,r){"use 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r=t._fullLayout,g="legend"+r._uid;if(r._infolayer&&t.calcdata){t._legendMouseDownTime||(t._legendMouseDownTime=0);var y=r.legend,b=r.showlegend&&x(t.calcdata,y),w=r.hiddenlabels||[];if(!r.showlegend||!b.length)return r._infolayer.selectAll(".legend").remove(),r._topdefs.select("#"+g).remove(),void c.autoMargin(t,"legend");var k=r._infolayer.selectAll("g.legend").data([0]);k.enter().append("g").attr({class:"legend","pointer-events":"all"});var T=r._topdefs.selectAll("#"+g).data([0]);T.enter().append("clipPath").attr("id",g).append("rect");var E=k.selectAll("rect.bg").data([0]);E.enter().append("rect").attr({class:"bg","shape-rendering":"crispEdges"}),E.call(p.stroke,y.bordercolor),E.call(p.fill,y.bgcolor),E.style("stroke-width",y.borderwidth+"px");var L=k.selectAll("g.scrollbox").data([0]);L.enter().append("g").attr("class","scrollbox");var C=k.selectAll("rect.scrollbar").data([0]);C.enter().append("rect").attr({class:"scrollbar",rx:20,ry:2,width:0,height:0}).call(p.fill,"#808BA4");var S=L.selectAll("g.groups").data(b);S.enter().append("g").attr("class","groups"),S.exit().remove();var P=S.selectAll("g.traces").data(u.identity);P.enter().append("g").attr("class","traces"),P.exit().remove(),P.call(_,t).style("opacity",function(t){var e=t[0].trace;return f.traceIs(e,"pie")?-1!==w.indexOf(t[0].label)?.5:1:"legendonly"===e.visible?.5:1}).each(function(){s.select(this).call(n,t).call(i,t)});var R=0!==k.enter().size();R&&(a(t,S,P),o(t));var O=r.width,I=r.height;a(t,S,P),y.height>I?function(t){var e=t._fullLayout.legend,r="left";M.isRightAnchor(e)?r="right":M.isCenterAnchor(e)&&(r="center"),c.autoMargin(t,"legend",{x:e.x,y:.5,l:e.width*({right:1,center:.5}[r]||0),r:e.width*({left:1,center:.5}[r]||0),b:0,t:0})}(t):o(t);var N=r._size,D=N.l+N.w*y.x,z=N.t+N.h*(1-y.y);M.isRightAnchor(y)?D-=y.width:M.isCenterAnchor(y)&&(D-=y.width/2),M.isBottomAnchor(y)?z-=y.height:M.isMiddleAnchor(y)&&(z-=y.height/2);var 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W=n.svg.axis().scale(r).ticks(5).tickSize(5);q.call(W).attr({transform:"rotate("+h.radialAxis.orientation+")"}),q.selectAll(".domain").style(z),q.selectAll("g>text").text(function(t,e){return this.textContent+h.radialAxis.ticksSuffix}).style(j).style({"text-anchor":"start"}).attr({x:0,y:0,dx:0,dy:0,transform:function(t,e){return"horizontal"===h.radialAxis.tickOrientation?"rotate("+-h.radialAxis.orientation+") translate("+[0,j["font-size"]]+")":"translate("+[0,j["font-size"]]+")"}}),q.selectAll("g>line").style({stroke:"black"})}var Y=t.select(".angular.axis-group").selectAll("g.angular-tick").data(R),Z=Y.enter().append("g").classed("angular-tick",!0);Y.attr({transform:function(t,e){return"rotate("+u(t)+")"}}).style({display:h.angularAxis.visible?"block":"none"}),Y.exit().remove(),Z.append("line").classed("grid-line",!0).classed("major",function(t,e){return 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n=e*Math.PI/180;return[e,t(n)]})},o.util.dataFromEquation=function(t,e,r){var i=e||6,a=[],o=[];n.range(0,360+i,i).forEach(function(e,r){var n=e*Math.PI/180,i=t(n);a.push(e),o.push(i)});var s={t:a,r:o};return r&&(s.name=r),s},o.util.ensureArray=function(t,e){if(void 0===t)return null;var r=[].concat(t);return n.range(e).map(function(t,e){return r[e]||r[0]})},o.util.fillArrays=function(t,e,r){return e.forEach(function(e,n){t[e]=o.util.ensureArray(t[e],r)}),t},o.util.cloneJson=function(t){return JSON.parse(JSON.stringify(t))},o.util.validateKeys=function(t,e){"string"==typeof e&&(e=e.split("."));var r=e.shift();return t[r]&&(!e.length||objHasKeys(t[r],e))},o.util.sumArrays=function(t,e){return n.zip(t,e).map(function(t,e){return n.sum(t)})},o.util.arrayLast=function(t){return t[t.length-1]},o.util.arrayEqual=function(t,e){for(var r=Math.max(t.length,e.length,1);r-- >=0&&t[r]===e[r];);return-2===r},o.util.flattenArray=function(t){for(var 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o.PolyChart()},o.DotPlot.defaultConfig=function(){return{geometryConfig:{geometryType:"dot",dotType:"circle"}}},o.LinePlot=function(){return o.PolyChart()},o.LinePlot.defaultConfig=function(){return{geometryConfig:{geometryType:"line"}}},o.Legend=function(){function t(){var r=e.legendConfig,a=e.data.map(function(t,e){return[].concat(t).map(function(t,n){var a=i({},r.elements[e]);return a.name=t,a.color=[].concat(r.elements[e].color)[n],a})}),o=n.merge(a);o=o.filter(function(t,e){return r.elements[e]&&(r.elements[e].visibleInLegend||void 0===r.elements[e].visibleInLegend)}),r.reverseOrder&&(o=o.reverse());var s=r.container;("string"==typeof s||s.nodeName)&&(s=n.select(s));var l=o.map(function(t,e){return t.color}),u=r.fontSize,c=null==r.isContinuous?"number"==typeof 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y=h.select(".legend-marks").selectAll("path.legend-mark").data(o);y.enter().append("path").classed("legend-mark",!0),y.attr({transform:function(t,e){return"translate("+[u/2,v(e)+u/2]+")"},d:function(t,e){return function(t,e){var r=3*e;return"line"===t?"M"+[[-e/2,-e/12],[e/2,-e/12],[e/2,e/12],[-e/2,e/12]]+"Z":-1!=n.svg.symbolTypes.indexOf(t)?n.svg.symbol().type(t).size(r)():n.svg.symbol().type("square").size(r)()}(t.symbol,u)},fill:function(t,e){return g(e)}}),y.exit().remove()}var b=n.svg.axis().scale(v).orient("right"),x=h.select("g.legend-axis").attr({transform:"translate("+[c?r.colorBandWidth:u,u/2]+")"}).call(b);return x.selectAll(".domain").style({fill:"none",stroke:"none"}),x.selectAll("line").style({fill:"none",stroke:c?r.textColor:"none"}),x.selectAll("text").style({fill:r.textColor,"font-size":r.fontSize}).text(function(t,e){return o[e].name}),t}var e=o.Legend.defaultConfig(),r=n.dispatch("hover");return t.config=function(t){return 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h=a.padding,d=e.node().getBBox(),p={fill:a.color,stroke:s,"stroke-width":"2px"},g=d.width+2*h+l,v=d.height+2*h;return r.attr({d:"M"+[[l,-v/2],[l,-v/4],[a.hasTick?0:l,0],[l,v/4],[l,v/2],[g,v/2],[g,-v/2]].join("L")+"Z"}).style(p),t.attr({transform:"translate("+[l,-v/2+2*h]+")"}),t.style({display:"block"}),u},u.move=function(e){if(t)return t.attr({transform:"translate("+[e[0],e[1]]+")"}).style({display:"block"}),u},u.hide=function(){if(t)return t.style({display:"none"}),u},u.show=function(){if(t)return t.style({display:"block"}),u},u.config=function(t){return i(a,t),u},u},o.tooltipPanel.uid=1,o.adapter={},o.adapter.plotly=function(){var t={};return t.convert=function(t,e){var r={};if(t.data&&(r.data=t.data.map(function(t,r){var 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strict";var n=t("../../components/colorscale/calc");e.exports=function(t,e){e.surfacecolor?n(e,e.surfacecolor,"","c"):n(e,e.z,"","c")}},{"../../components/colorscale/calc":305}],567:[function(t,e,r){"use strict";var n=t("fast-isnumeric"),i=t("../../lib"),a=t("../../plots/plots"),o=t("../../components/colorscale"),s=t("../../components/colorbar/draw");e.exports=function(t,e){var r=e[0].trace,l="cb"+r.uid,u=r.cmin,c=r.cmax,f=r.surfacecolor||r.z;if(n(u)||(u=i.aggNums(Math.min,null,f)),n(c)||(c=i.aggNums(Math.max,null,f)),t._fullLayout._infolayer.selectAll("."+l).remove(),r.showscale){var h=e[0].t.cb=s(t,l),d=o.makeColorScaleFunc(o.extractScale(r.colorscale,u,c),{noNumericCheck:!0});h.fillcolor(d).filllevels({start:u,end:c,size:(c-u)/254}).options(r.colorbar)()}else a.autoMargin(t,l)}},{"../../components/colorbar/draw":302,"../../components/colorscale":313,"../../lib":419,"../../plots/plots":508,"fast-isnumeric":90}],568:[function(t,e,r){"use strict";function n(t,e,r){this.scene=t,this.uid=r,this.surface=e,this.data=null,this.showContour=[!1,!1,!1],this.dataScale=1}function i(t){var e=t.shape,r=[e[0]+2,e[1]+2],n=o(new Float32Array(r[0]*r[1]),r);return u.assign(n.lo(1,1).hi(e[0],e[1]),t),u.assign(n.lo(1).hi(e[0],1),t.hi(e[0],1)),u.assign(n.lo(1,r[1]-1).hi(e[0],1),t.lo(0,e[1]-1).hi(e[0],1)),u.assign(n.lo(0,1).hi(1,e[1]),t.hi(1)),u.assign(n.lo(r[0]-1,1).hi(1,e[1]),t.lo(e[0]-1)),n.set(0,0,t.get(0,0)),n.set(0,r[1]-1,t.get(0,e[1]-1)),n.set(r[0]-1,0,t.get(e[0]-1,0)),n.set(r[0]-1,r[1]-1,t.get(e[0]-1,e[1]-1)),n}var a=t("gl-surface3d"),o=t("ndarray"),s=t("ndarray-homography"),l=t("ndarray-fill"),u=t("ndarray-ops"),c=t("tinycolor2"),f=t("../../lib/str2rgbarray"),h=128,d=n.prototype;d.handlePick=function(t){if(t.object===this.surface){var e=t.index=[Math.min(0|Math.round(t.data.index[0]/this.dataScale-1),this.data.z[0].length-1),Math.min(0|Math.round(t.data.index[1]/this.dataScale-1),this.data.z.length-1)],r=[0,0,0];Array.isArray(this.data.x[0])?r[0]=this.data.x[e[1]][e[0]]:r[0]=this.data.x[e[0]],Array.isArray(this.data.y[0])?r[1]=this.data.y[e[1]][e[0]]:r[1]=this.data.y[e[1]],r[2]=this.data.z[e[1]][e[0]],t.traceCoordinate=r;var n=this.scene.fullSceneLayout;t.dataCoordinate=[n.xaxis.d2l(r[0],0,this.data.xcalendar)*this.scene.dataScale[0],n.yaxis.d2l(r[1],0,this.data.ycalendar)*this.scene.dataScale[1],n.zaxis.d2l(r[2],0,this.data.zcalendar)*this.scene.dataScale[2]];var i=this.data.text;return i&&i[e[1]]&&void 0!==i[e[1]][e[0]]?t.textLabel=i[e[1]][e[0]]:t.textLabel="",t.data.dataCoordinate=t.dataCoordinate.slice(),this.surface.highlight(t.data),this.scene.glplot.spikes.position=t.dataCoordinate,!0}},d.setContourLevels=function(){for(var t=[[],[],[]],e=!1,r=0;r<3;++r)this.showContour[r]&&(e=!0,t[r]=this.scene.contourLevels[r]);e&&this.surface.update({levels:t})},d.update=function(t){var e,r=this.scene,n=r.fullSceneLayout,a=this.surface,u=t.opacity,d=function(t,e){return void 0===e&&(e=1),t.map(function(t){var r=t[0],n=c(t[1]).toRgb();return{index:r,rgb:[n.r,n.g,n.b,e]}})}(t.colorscale,u),p=t.z,g=t.x,v=t.y,m=n.xaxis,y=n.yaxis,b=n.zaxis,x=r.dataScale,_=p[0].length,w=p.length,M=[o(new Float32Array(_*w),[_,w]),o(new Float32Array(_*w),[_,w]),o(new Float32Array(_*w),[_,w])],A=M[0],k=M[1],T=r.contourLevels;this.data=t;var E=t.xcalendar,L=t.ycalendar,C=t.zcalendar;l(M[2],function(t,e){return b.d2l(p[e][t],0,C)*x[2]}),Array.isArray(g[0])?l(A,function(t,e){return m.d2l(g[e][t],0,E)*x[0]}):l(A,function(t){return m.d2l(g[t],0,E)*x[0]}),Array.isArray(v[0])?l(k,function(t,e){return y.d2l(v[e][t],0,L)*x[1]}):l(k,function(t,e){return y.d2l(v[e],0,L)*x[1]});var S={colormap:d,levels:[[],[],[]],showContour:[!0,!0,!0],showSurface:!t.hidesurface,contourProject:[[!1,!1,!1],[!1,!1,!1],[!1,!1,!1]],contourWidth:[1,1,1],contourColor:[[1,1,1,1],[1,1,1,1],[1,1,1,1]],contourTint:[1,1,1],dynamicColor:[[1,1,1,1],[1,1,1,1],[1,1,1,1]],dynamicWidth:[1,1,1],dynamicTint:[1,1,1],opacity:t.opacity};if(S.intensityBounds=[t.cmin,t.cmax],t.surfacecolor){var P=o(new Float32Array(_*w),[_,w]);l(P,function(e,r){return t.surfacecolor[r][e]}),M.push(P)}else S.intensityBounds[0]*=x[2],S.intensityBounds[1]*=x[2];this.dataScale=function(t){var e=Math.max(t[0].shape[0],t[0].shape[1]);if(e Math.abs(dy)) { - view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth) - } else { - var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0 - view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) - } - }, true) - - return camera -} +'use strict' + +module.exports = createCamera + +var now = require('right-now') +var createView = require('3d-view') +var mouseChange = require('mouse-change') +var mouseWheel = require('mouse-wheel') +var mouseOffset = require('mouse-event-offset') + +function createCamera(element, options) { + element = element || document.body + options = options || {} + + var limits = [ 0.01, Infinity ] + if('distanceLimits' in options) { + limits[0] = options.distanceLimits[0] + limits[1] = options.distanceLimits[1] + } + if('zoomMin' in options) { + limits[0] = options.zoomMin + } + if('zoomMax' in options) { + limits[1] = options.zoomMax + } + + var view = createView({ + center: options.center || [0,0,0], + up: options.up || [0,1,0], + eye: options.eye || [0,0,10], + mode: options.mode || 'orbit', + distanceLimits: limits + }) + + var pmatrix = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] + var distance = 0.0 + var width = element.clientWidth + var height = element.clientHeight + + var camera = { + view: view, + element: element, + delay: options.delay || 16, + rotateSpeed: options.rotateSpeed || 1, + zoomSpeed: options.zoomSpeed || 1, + translateSpeed: options.translateSpeed || 1, + flipX: !!options.flipX, + flipY: !!options.flipY, + modes: view.modes, + tick: function() { + var t = now() + var delay = this.delay + view.idle(t-delay) + view.flush(t-(100+delay*2)) + var ctime = t - 2 * delay + view.recalcMatrix(ctime) + var allEqual = true + var matrix = view.computedMatrix + for(var i=0; i<16; ++i) { + allEqual = allEqual && (pmatrix[i] === matrix[i]) + pmatrix[i] = matrix[i] + } + var sizeChanged = + element.clientWidth === width && + element.clientHeight === height + width = element.clientWidth + height = element.clientHeight + if(allEqual) { + return !sizeChanged + } + distance = Math.exp(view.computedRadius[0]) + return true + }, + lookAt: function(center, eye, up) { + view.lookAt(view.lastT(), center, eye, up) + }, + rotate: function(pitch, yaw, roll) { + view.rotate(view.lastT(), pitch, yaw, roll) + }, + pan: function(dx, dy, dz) { + view.pan(view.lastT(), dx, dy, dz) + }, + translate: function(dx, dy, dz) { + view.translate(view.lastT(), dx, dy, dz) + } + } + + Object.defineProperties(camera, { + matrix: { + get: function() { + return view.computedMatrix + }, + set: function(mat) { + view.setMatrix(view.lastT(), mat) + return view.computedMatrix + }, + enumerable: true + }, + mode: { + get: function() { + return view.getMode() + }, + set: function(mode) { + view.setMode(mode) + return view.getMode() + }, + enumerable: true + }, + center: { + get: function() { + return view.computedCenter + }, + set: function(ncenter) { + view.lookAt(view.lastT(), ncenter) + return view.computedCenter + }, + enumerable: true + }, + eye: { + get: function() { + return view.computedEye + }, + set: function(neye) { + view.lookAt(view.lastT(), null, neye) + return view.computedEye + }, + enumerable: true + }, + up: { + get: function() { + return view.computedUp + }, + set: function(nup) { + view.lookAt(view.lastT(), null, null, nup) + return view.computedUp + }, + enumerable: true + }, + distance: { + get: function() { + return distance + }, + set: function(d) { + view.setDistance(view.lastT(), d) + return d + }, + enumerable: true + }, + distanceLimits: { + get: function() { + return view.getDistanceLimits(limits) + }, + set: function(v) { + view.setDistanceLimits(v) + return v + }, + enumerable: true + } + }) + + element.addEventListener('contextmenu', function(ev) { + ev.preventDefault() + return false + }) + + var lastX = 0, lastY = 0, lastMods = {shift: false, control: false, alt: false, meta: false} + mouseChange(element, handleInteraction) + + //enable simple touch interactions + element.addEventListener('touchstart', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(0, xy[0], xy[1], lastMods) + handleInteraction(1, xy[0], xy[1], lastMods) + }) + element.addEventListener('touchmove', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(1, xy[0], xy[1], lastMods) + }) + element.addEventListener('touchend', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(0, lastX, lastY, lastMods) + }) + + function handleInteraction (buttons, x, y, mods) { + var scale = 1.0 / element.clientHeight + var dx = scale * (x - lastX) + var dy = scale * (y - lastY) + + var flipX = camera.flipX ? 1 : -1 + var flipY = camera.flipY ? 1 : -1 + + var drot = Math.PI * camera.rotateSpeed + + var t = now() + + if(buttons & 1) { + if(mods.shift) { + view.rotate(t, 0, 0, -dx * drot) + } else { + view.rotate(t, flipX * drot * dx, -flipY * drot * dy, 0) + } + } else if(buttons & 2) { + view.pan(t, -camera.translateSpeed * dx * distance, camera.translateSpeed * dy * distance, 0) + } else if(buttons & 4) { + var kzoom = camera.zoomSpeed * dy / window.innerHeight * (t - view.lastT()) * 50.0 + view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) + } + + lastX = x + lastY = y + lastMods = mods + } + + mouseWheel(element, function(dx, dy, dz) { + var flipX = camera.flipX ? 1 : -1 + var flipY = camera.flipY ? 1 : -1 + var t = now() + if(Math.abs(dx) > Math.abs(dy)) { + view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth) + } else { + var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0 + view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) + } + }, true) + + return camera +} },{"3d-view":40,"mouse-change":443,"mouse-event-offset":444,"mouse-wheel":446,"right-now":509}],40:[function(require,module,exports){ 'use strict' @@ -1595,74 +1595,74 @@ function alphaShape(alpha, points) { return bnd(ac(alpha, points)) } },{"alpha-complex":46,"simplicial-complex-boundary":523}],48:[function(require,module,exports){ -'use strict' - -module.exports = normalize; - -function normalize (arr, dim) { - if (!arr || arr.length == null) throw Error('Argument should be an array') - - if (dim == null) dim = 1 - else dim = Math.floor(dim) - - var bounds = Array(dim * 2) - - for (var offset = 0; offset < dim; offset++) { - var max = -Infinity, min = Infinity, i = offset, l = arr.length; - - for (; i < l; i+=dim) { - if (arr[i] > max) max = arr[i]; - if (arr[i] < min) min = arr[i]; - } - - bounds[offset] = min - bounds[dim + offset] = max - } - - return bounds; -} +'use strict' + +module.exports = normalize; + +function normalize (arr, dim) { + if (!arr || arr.length == null) throw Error('Argument should be an array') + + if (dim == null) dim = 1 + else dim = Math.floor(dim) + + var bounds = Array(dim * 2) + + for (var offset = 0; offset < dim; offset++) { + var max = -Infinity, min = Infinity, i = offset, l = arr.length; + + for (; i < l; i+=dim) { + if (arr[i] > max) max = arr[i]; + if (arr[i] < min) min = arr[i]; + } + + bounds[offset] = min + bounds[dim + offset] = max + } + + return bounds; +} },{}],49:[function(require,module,exports){ -'use strict' - -var getBounds = require('array-bounds') - -module.exports = normalize; - -function normalize (arr, dim, bounds) { - if (!arr || arr.length == null) throw Error('Argument should be an array') - - if (dim == null) dim = 1 - if (bounds == null) bounds = getBounds(arr, dim) - - for (var offset = 0; offset < dim; offset++) { - var max = bounds[dim + offset], min = bounds[offset], i = offset, l = arr.length; - - if (max === Infinity && min === -Infinity) { - for (i = offset; i < l; i+=dim) { - arr[i] = arr[i] === max ? 1 : arr[i] === min ? 0 : .5 - } - } - else if (max === Infinity) { - for (i = offset; i < l; i+=dim) { - arr[i] = arr[i] === max ? 1 : 0 - } - } - else if (min === -Infinity) { - for (i = offset; i < l; i+=dim) { - arr[i] = arr[i] === min ? 0 : 1 - } - } - else { - var range = max - min - for (i = offset; i < l; i+=dim) { - arr[i] = range === 0 ? .5 : (arr[i] - min) / range - } - } - } - - return arr; -} +'use strict' + +var getBounds = require('array-bounds') + +module.exports = normalize; + +function normalize (arr, dim, bounds) { + if (!arr || arr.length == null) throw Error('Argument should be an array') + + if (dim == null) dim = 1 + if (bounds == null) bounds = getBounds(arr, dim) + + for (var offset = 0; offset < dim; offset++) { + var max = bounds[dim + offset], min = bounds[offset], i = offset, l = arr.length; + + if (max === Infinity && min === -Infinity) { + for (i = offset; i < l; i+=dim) { + arr[i] = arr[i] === max ? 1 : arr[i] === min ? 0 : .5 + } + } + else if (max === Infinity) { + for (i = offset; i < l; i+=dim) { + arr[i] = arr[i] === max ? 1 : 0 + } + } + else if (min === -Infinity) { + for (i = offset; i < l; i+=dim) { + arr[i] = arr[i] === min ? 0 : 1 + } + } + else { + var range = max - min + for (i = offset; i < l; i+=dim) { + arr[i] = range === 0 ? .5 : (arr[i] - min) / range + } + } + } + + return arr; +} },{"array-bounds":48}],50:[function(require,module,exports){ 'use strict'; @@ -2972,142 +2972,142 @@ exports.nextCombination = function(v) { },{}],72:[function(require,module,exports){ -'use strict' - -var clamp = require('clamp') - -module.exports = calcSDF - -var INF = 1e20; - -function calcSDF(src, options) { - if (!options) options = {} - - var cutoff = options.cutoff == null ? 0.25 : options.cutoff - var radius = options.radius == null ? 8 : options.radius - var channel = options.channel || 0 - var w, h, size, data, intData, stride, ctx, canvas, imgData, i, l - - // handle image container - if (ArrayBuffer.isView(src) || Array.isArray(src)) { - if (!options.width || !options.height) throw Error('For raw data width and height should be provided by options') - w = options.width, h = options.height - data = src - - if (!options.stride) stride = Math.floor(src.length / w / h) - else stride = options.stride - } - else { - if (window.HTMLCanvasElement && src instanceof window.HTMLCanvasElement) { - canvas = src - ctx = canvas.getContext('2d') - w = canvas.width, h = canvas.height - imgData = ctx.getImageData(0, 0, w, h) - data = imgData.data - stride = 4 - } - else if (window.CanvasRenderingContext2D && src instanceof window.CanvasRenderingContext2D) { - canvas = src.canvas - ctx = src - w = canvas.width, h = canvas.height - imgData = ctx.getImageData(0, 0, w, h) - data = imgData.data - stride = 4 - } - else if (window.ImageData && src instanceof window.ImageData) { - imgData = src - w = src.width, h = src.height - data = imgData.data - stride = 4 - } - } - - size = Math.max(w, h) - - //convert int data to floats - if ((window.Uint8ClampedArray && data instanceof window.Uint8ClampedArray) || (window.Uint8Array && data instanceof window.Uint8Array)) { - intData = data - data = Array(w*h) - - for (i = 0, l = intData.length; i < l; i++) { - data[i] = intData[i*stride + channel] / 255 - } - } - else { - if (stride !== 1) throw Error('Raw data can have only 1 value per pixel') - } - - // temporary arrays for the distance transform - var gridOuter = Array(w * h) - var gridInner = Array(w * h) - var f = Array(size) - var d = Array(size) - var z = Array(size + 1) - var v = Array(size) - - for (i = 0, l = w * h; i < l; i++) { - var a = data[i] - gridOuter[i] = a === 1 ? 0 : a === 0 ? INF : Math.pow(Math.max(0, 0.5 - a), 2) - gridInner[i] = a === 1 ? INF : a === 0 ? 0 : Math.pow(Math.max(0, a - 0.5), 2) - } - - edt(gridOuter, w, h, f, d, v, z) - edt(gridInner, w, h, f, d, v, z) - - var dist = window.Float32Array ? new Float32Array(w * h) : new Array(w * h) - - for (i = 0, l = w*h; i < l; i++) { - dist[i] = clamp(1 - ( (gridOuter[i] - gridInner[i]) / radius + cutoff), 0, 1) - } - - return dist -} - -// 2D Euclidean distance transform by Felzenszwalb & Huttenlocher https://cs.brown.edu/~pff/dt/ -function edt(data, width, height, f, d, v, z) { - for (var x = 0; x < width; x++) { - for (var y = 0; y < height; y++) { - f[y] = data[y * width + x] - } - edt1d(f, d, v, z, height) - for (y = 0; y < height; y++) { - data[y * width + x] = d[y] - } - } - for (y = 0; y < height; y++) { - for (x = 0; x < width; x++) { - f[x] = data[y * width + x] - } - edt1d(f, d, v, z, width) - for (x = 0; x < width; x++) { - data[y * width + x] = Math.sqrt(d[x]) - } - } -} - -// 1D squared distance transform -function edt1d(f, d, v, z, n) { - v[0] = 0; - z[0] = -INF - z[1] = +INF - - for (var q = 1, k = 0; q < n; q++) { - var s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) - while (s <= z[k]) { - k-- - s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) - } - k++ - v[k] = q - z[k] = s - z[k + 1] = +INF - } - - for (q = 0, k = 0; q < n; q++) { - while (z[k + 1] < q) k++ - d[q] = (q - v[k]) * (q - v[k]) + f[v[k]] - } -} +'use strict' + +var clamp = require('clamp') + +module.exports = calcSDF + +var INF = 1e20; + +function calcSDF(src, options) { + if (!options) options = {} + + var cutoff = options.cutoff == null ? 0.25 : options.cutoff + var radius = options.radius == null ? 8 : options.radius + var channel = options.channel || 0 + var w, h, size, data, intData, stride, ctx, canvas, imgData, i, l + + // handle image container + if (ArrayBuffer.isView(src) || Array.isArray(src)) { + if (!options.width || !options.height) throw Error('For raw data width and height should be provided by options') + w = options.width, h = options.height + data = src + + if (!options.stride) stride = Math.floor(src.length / w / h) + else stride = options.stride + } + else { + if (window.HTMLCanvasElement && src instanceof window.HTMLCanvasElement) { + canvas = src + ctx = canvas.getContext('2d') + w = canvas.width, h = canvas.height + imgData = ctx.getImageData(0, 0, w, h) + data = imgData.data + stride = 4 + } + else if (window.CanvasRenderingContext2D && src instanceof window.CanvasRenderingContext2D) { + canvas = src.canvas + ctx = src + w = canvas.width, h = canvas.height + imgData = ctx.getImageData(0, 0, w, h) + data = imgData.data + stride = 4 + } + else if (window.ImageData && src instanceof window.ImageData) { + imgData = src + w = src.width, h = src.height + data = imgData.data + stride = 4 + } + } + + size = Math.max(w, h) + + //convert int data to floats + if ((window.Uint8ClampedArray && data instanceof window.Uint8ClampedArray) || (window.Uint8Array && data instanceof window.Uint8Array)) { + intData = data + data = Array(w*h) + + for (i = 0, l = intData.length; i < l; i++) { + data[i] = intData[i*stride + channel] / 255 + } + } + else { + if (stride !== 1) throw Error('Raw data can have only 1 value per pixel') + } + + // temporary arrays for the distance transform + var gridOuter = Array(w * h) + var gridInner = Array(w * h) + var f = Array(size) + var d = Array(size) + var z = Array(size + 1) + var v = Array(size) + + for (i = 0, l = w * h; i < l; i++) { + var a = data[i] + gridOuter[i] = a === 1 ? 0 : a === 0 ? INF : Math.pow(Math.max(0, 0.5 - a), 2) + gridInner[i] = a === 1 ? INF : a === 0 ? 0 : Math.pow(Math.max(0, a - 0.5), 2) + } + + edt(gridOuter, w, h, f, d, v, z) + edt(gridInner, w, h, f, d, v, z) + + var dist = window.Float32Array ? new Float32Array(w * h) : new Array(w * h) + + for (i = 0, l = w*h; i < l; i++) { + dist[i] = clamp(1 - ( (gridOuter[i] - gridInner[i]) / radius + cutoff), 0, 1) + } + + return dist +} + +// 2D Euclidean distance transform by Felzenszwalb & Huttenlocher https://cs.brown.edu/~pff/dt/ +function edt(data, width, height, f, d, v, z) { + for (var x = 0; x < width; x++) { + for (var y = 0; y < height; y++) { + f[y] = data[y * width + x] + } + edt1d(f, d, v, z, height) + for (y = 0; y < height; y++) { + data[y * width + x] = d[y] + } + } + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + f[x] = data[y * width + x] + } + edt1d(f, d, v, z, width) + for (x = 0; x < width; x++) { + data[y * width + x] = Math.sqrt(d[x]) + } + } +} + +// 1D squared distance transform +function edt1d(f, d, v, z, n) { + v[0] = 0; + z[0] = -INF + z[1] = +INF + + for (var q = 1, k = 0; q < n; q++) { + var s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) + while (s <= z[k]) { + k-- + s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) + } + k++ + v[k] = q + z[k] = s + z[k + 1] = +INF + } + + for (q = 0, k = 0; q < n; q++) { + while (z[k + 1] < q) k++ + d[q] = (q - v[k]) * (q - v[k]) + f[v[k]] + } +} },{"clamp":93}],73:[function(require,module,exports){ (function (module, exports) { @@ -11450,487 +11450,487 @@ if (typeof module === 'object' && module.exports) { }).call(this,require("buffer").Buffer) },{"buffer":82}],97:[function(require,module,exports){ -/** @module color-id */ - -'use strict' - -var clamp = require('clamp') - -module.exports = toNumber -module.exports.to = toNumber -module.exports.from = fromNumber - -function toNumber (rgba, normalized) { - if(normalized == null) normalized = true - - var r = rgba[0], g = rgba[1], b = rgba[2], a = rgba[3] - - if (a == null) a = normalized ? 1 : 255 - - if (normalized) { - r *= 255 - g *= 255 - b *= 255 - a *= 255 - } - - r = clamp(r, 0, 255) & 0xFF - g = clamp(g, 0, 255) & 0xFF - b = clamp(b, 0, 255) & 0xFF - a = clamp(a, 0, 255) & 0xFF - - //hi-order shift converts to -1, so we can't use <<24 - var n = (r * 0x01000000) + (g << 16) + (b << 8) + (a) - - return n -} - -function fromNumber (n, normalized) { - n = +n - - var r = n >>> 24 - var g = (n & 0x00ff0000) >>> 16 - var b = (n & 0x0000ff00) >>> 8 - var a = n & 0x000000ff - - if (normalized === false) return [r, g, b, a] - - return [r/255, g/255, b/255, a/255] -} +/** @module color-id */ + +'use strict' + +var clamp = require('clamp') + +module.exports = toNumber +module.exports.to = toNumber +module.exports.from = fromNumber + +function toNumber (rgba, normalized) { + if(normalized == null) normalized = true + + var r = rgba[0], g = rgba[1], b = rgba[2], a = rgba[3] + + if (a == null) a = normalized ? 1 : 255 + + if (normalized) { + r *= 255 + g *= 255 + b *= 255 + a *= 255 + } + + r = clamp(r, 0, 255) & 0xFF + g = clamp(g, 0, 255) & 0xFF + b = clamp(b, 0, 255) & 0xFF + a = clamp(a, 0, 255) & 0xFF + + //hi-order shift converts to -1, so we can't use <<24 + var n = (r * 0x01000000) + (g << 16) + (b << 8) + (a) + + return n +} + +function fromNumber (n, normalized) { + n = +n + + var r = n >>> 24 + var g = (n & 0x00ff0000) >>> 16 + var b = (n & 0x0000ff00) >>> 8 + var a = n & 0x000000ff + + if (normalized === false) return [r, g, b, a] + + return [r/255, g/255, b/255, a/255] +} },{"clamp":93}],98:[function(require,module,exports){ -'use strict' - -module.exports = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; +'use strict' + +module.exports = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] +}; },{}],99:[function(require,module,exports){ -/** @module color-rgba */ - -'use strict' - -var rgba = require('color-rgba') -var clamp = require('clamp') -var dtype = require('dtype') - -module.exports = function normalize (color, type) { - if (type === 'float' || !type) type = 'array' - if (type === 'uint') type = 'uint8' - if (type === 'uint_clamped') type = 'uint8_clamped' - var Ctor = dtype(type) - var output = new Ctor(4) - - //same class does not change values - if (color instanceof Ctor) { - if (Array.isArray(color)) { - return color.slice() - } - - output.set(color) - - return output - } - - var normalize = type !== 'uint8' && type !== 'uint8_clamped' - - //consider uint8 array as 0..255 channel values - if (color instanceof Uint8Array || color instanceof Uint8ClampedArray) { - output[0] = color[0] - output[1] = color[1] - output[2] = color[2] - output[3] = color[3] != null ? color[3] : 255 - if (normalize) { - output[0] /= 255 - output[1] /= 255 - output[2] /= 255 - output[3] /= 255 - } - - return output - } - - //attempt to parse non-array arguments - if (!color.length || typeof color === 'string') { - color = rgba(color) - color[0] /= 255 - color[1] /= 255 - color[2] /= 255 - } - - //consider every other array type as 0..1 float values - if (!normalize) { - output[0] = clamp(Math.round(color[0] * 255), 0, 255) - output[1] = clamp(Math.round(color[1] * 255), 0, 255) - output[2] = clamp(Math.round(color[2] * 255), 0, 255) - output[3] = color[3] == null ? 255 : clamp(Math.floor(color[3] * 255), 0, 255) - } else { - output[0] = color[0] - output[1] = color[1] - output[2] = color[2] - output[3] = color[3] != null ? color[3] : 1 - } - - return output -} +/** @module color-rgba */ + +'use strict' + +var rgba = require('color-rgba') +var clamp = require('clamp') +var dtype = require('dtype') + +module.exports = function normalize (color, type) { + if (type === 'float' || !type) type = 'array' + if (type === 'uint') type = 'uint8' + if (type === 'uint_clamped') type = 'uint8_clamped' + var Ctor = dtype(type) + var output = new Ctor(4) + + //same class does not change values + if (color instanceof Ctor) { + if (Array.isArray(color)) { + return color.slice() + } + + output.set(color) + + return output + } + + var normalize = type !== 'uint8' && type !== 'uint8_clamped' + + //consider uint8 array as 0..255 channel values + if (color instanceof Uint8Array || color instanceof Uint8ClampedArray) { + output[0] = color[0] + output[1] = color[1] + output[2] = color[2] + output[3] = color[3] != null ? color[3] : 255 + if (normalize) { + output[0] /= 255 + output[1] /= 255 + output[2] /= 255 + output[3] /= 255 + } + + return output + } + + //attempt to parse non-array arguments + if (!color.length || typeof color === 'string') { + color = rgba(color) + color[0] /= 255 + color[1] /= 255 + color[2] /= 255 + } + + //consider every other array type as 0..1 float values + if (!normalize) { + output[0] = clamp(Math.round(color[0] * 255), 0, 255) + output[1] = clamp(Math.round(color[1] * 255), 0, 255) + output[2] = clamp(Math.round(color[2] * 255), 0, 255) + output[3] = color[3] == null ? 255 : clamp(Math.floor(color[3] * 255), 0, 255) + } else { + output[0] = color[0] + output[1] = color[1] + output[2] = color[2] + output[3] = color[3] != null ? color[3] : 1 + } + + return output +} },{"clamp":93,"color-rgba":101,"dtype":133}],100:[function(require,module,exports){ (function (global){ -/** - * @module color-parse - */ - -'use strict' - -var names = require('color-name') -var isObject = require('is-plain-obj') -var defined = require('defined') - -module.exports = parse - -/** - * Base hues - * http://dev.w3.org/csswg/css-color/#typedef-named-hue - */ -//FIXME: use external hue detector -var baseHues = { - red: 0, - orange: 60, - yellow: 120, - green: 180, - blue: 240, - purple: 300 -} - -/** - * Parse color from the string passed - * - * @return {Object} A space indicator `space`, an array `values` and `alpha` - */ -function parse (cstr) { - var m, parts = [], alpha = 1, space - - if (typeof cstr === 'string') { - //keyword - if (names[cstr]) { - parts = names[cstr].slice() - space = 'rgb' - } - - //reserved words - else if (cstr === 'transparent') { - alpha = 0 - space = 'rgb' - parts = [0,0,0] - } - - //hex - else if (/^#[A-Fa-f0-9]+$/.test(cstr)) { - var base = cstr.slice(1) - var size = base.length - var isShort = size <= 4 - alpha = 1 - - if (isShort) { - parts = [ - parseInt(base[0] + base[0], 16), - parseInt(base[1] + base[1], 16), - parseInt(base[2] + base[2], 16) - ] - if (size === 4) { - alpha = parseInt(base[3] + base[3], 16) / 255 - } - } - else { - parts = [ - parseInt(base[0] + base[1], 16), - parseInt(base[2] + base[3], 16), - parseInt(base[4] + base[5], 16) - ] - if (size === 8) { - alpha = parseInt(base[6] + base[7], 16) / 255 - } - } - - if (!parts[0]) parts[0] = 0 - if (!parts[1]) parts[1] = 0 - if (!parts[2]) parts[2] = 0 - - space = 'rgb' - } - - //color space - else if (m = /^((?:rgb|hs[lvb]|hwb|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms)a?)\s*\(([^\)]*)\)/.exec(cstr)) { - var name = m[1] - var base = name.replace(/a$/, '') - space = base - var size = base === 'cmyk' ? 4 : base === 'gray' ? 1 : 3 - parts = m[2].trim() - .split(/\s*,\s*/) - .map(function (x, i) { - // - if (/%$/.test(x)) { - //alpha - if (i === size) return parseFloat(x) / 100 - //rgb - if (base === 'rgb') return parseFloat(x) * 255 / 100 - return parseFloat(x) - } - //hue - else if (base[i] === 'h') { - // - if (/deg$/.test(x)) { - return parseFloat(x) - } - // - else if (baseHues[x] !== undefined) { - return baseHues[x] - } - } - return parseFloat(x) - }) - - if (name === base) parts.push(1) - alpha = parts[size] === undefined ? 1 : parts[size] - parts = parts.slice(0, size) - } - - //named channels case - else if (cstr.length > 10 && /[0-9](?:\s|\/)/.test(cstr)) { - parts = cstr.match(/([0-9]+)/g).map(function (value) { - return parseFloat(value) - }) - - space = cstr.match(/([a-z])/ig).join('').toLowerCase() - } - } - - //numeric case - else if (typeof cstr === 'number') { - space = 'rgb' - parts = [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff] - } - - //object case - detects css cases of rgb and hsl - else if (isObject(cstr)) { - var r = defined(cstr.r, cstr.red, cstr.R, null) - - if (r !== null) { - space = 'rgb' - parts = [ - r, - defined(cstr.g, cstr.green, cstr.G), - defined(cstr.b, cstr.blue, cstr.B) - ] - } - else { - space = 'hsl' - parts = [ - defined(cstr.h, cstr.hue, cstr.H), - defined(cstr.s, cstr.saturation, cstr.S), - defined(cstr.l, cstr.lightness, cstr.L, cstr.b, cstr.brightness) - ] - } - - alpha = defined(cstr.a, cstr.alpha, cstr.opacity, 1) - - if (cstr.opacity != null) alpha /= 100 - } - - //array - else if (Array.isArray(cstr) || global.ArrayBuffer && ArrayBuffer.isView && ArrayBuffer.isView(cstr)) { - parts = [cstr[0], cstr[1], cstr[2]] - space = 'rgb' - alpha = cstr.length === 4 ? cstr[3] : 1 - } - - return { - space: space, - values: parts, - alpha: alpha - } -} +/** + * @module color-parse + */ + +'use strict' + +var names = require('color-name') +var isObject = require('is-plain-obj') +var defined = require('defined') + +module.exports = parse + +/** + * Base hues + * http://dev.w3.org/csswg/css-color/#typedef-named-hue + */ +//FIXME: use external hue detector +var baseHues = { + red: 0, + orange: 60, + yellow: 120, + green: 180, + blue: 240, + purple: 300 +} + +/** + * Parse color from the string passed + * + * @return {Object} A space indicator `space`, an array `values` and `alpha` + */ +function parse (cstr) { + var m, parts = [], alpha = 1, space + + if (typeof cstr === 'string') { + //keyword + if (names[cstr]) { + parts = names[cstr].slice() + space = 'rgb' + } + + //reserved words + else if (cstr === 'transparent') { + alpha = 0 + space = 'rgb' + parts = [0,0,0] + } + + //hex + else if (/^#[A-Fa-f0-9]+$/.test(cstr)) { + var base = cstr.slice(1) + var size = base.length + var isShort = size <= 4 + alpha = 1 + + if (isShort) { + parts = [ + parseInt(base[0] + base[0], 16), + parseInt(base[1] + base[1], 16), + parseInt(base[2] + base[2], 16) + ] + if (size === 4) { + alpha = parseInt(base[3] + base[3], 16) / 255 + } + } + else { + parts = [ + parseInt(base[0] + base[1], 16), + parseInt(base[2] + base[3], 16), + parseInt(base[4] + base[5], 16) + ] + if (size === 8) { + alpha = parseInt(base[6] + base[7], 16) / 255 + } + } + + if (!parts[0]) parts[0] = 0 + if (!parts[1]) parts[1] = 0 + if (!parts[2]) parts[2] = 0 + + space = 'rgb' + } + + //color space + else if (m = /^((?:rgb|hs[lvb]|hwb|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms)a?)\s*\(([^\)]*)\)/.exec(cstr)) { + var name = m[1] + var base = name.replace(/a$/, '') + space = base + var size = base === 'cmyk' ? 4 : base === 'gray' ? 1 : 3 + parts = m[2].trim() + .split(/\s*,\s*/) + .map(function (x, i) { + // + if (/%$/.test(x)) { + //alpha + if (i === size) return parseFloat(x) / 100 + //rgb + if (base === 'rgb') return parseFloat(x) * 255 / 100 + return parseFloat(x) + } + //hue + else if (base[i] === 'h') { + // + if (/deg$/.test(x)) { + return parseFloat(x) + } + // + else if (baseHues[x] !== undefined) { + return baseHues[x] + } + } + return parseFloat(x) + }) + + if (name === base) parts.push(1) + alpha = parts[size] === undefined ? 1 : parts[size] + parts = parts.slice(0, size) + } + + //named channels case + else if (cstr.length > 10 && /[0-9](?:\s|\/)/.test(cstr)) { + parts = cstr.match(/([0-9]+)/g).map(function (value) { + return parseFloat(value) + }) + + space = cstr.match(/([a-z])/ig).join('').toLowerCase() + } + } + + //numeric case + else if (typeof cstr === 'number') { + space = 'rgb' + parts = [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff] + } + + //object case - detects css cases of rgb and hsl + else if (isObject(cstr)) { + var r = defined(cstr.r, cstr.red, cstr.R, null) + + if (r !== null) { + space = 'rgb' + parts = [ + r, + defined(cstr.g, cstr.green, cstr.G), + defined(cstr.b, cstr.blue, cstr.B) + ] + } + else { + space = 'hsl' + parts = [ + defined(cstr.h, cstr.hue, cstr.H), + defined(cstr.s, cstr.saturation, cstr.S), + defined(cstr.l, cstr.lightness, cstr.L, cstr.b, cstr.brightness) + ] + } + + alpha = defined(cstr.a, cstr.alpha, cstr.opacity, 1) + + if (cstr.opacity != null) alpha /= 100 + } + + //array + else if (Array.isArray(cstr) || global.ArrayBuffer && ArrayBuffer.isView && ArrayBuffer.isView(cstr)) { + parts = [cstr[0], cstr[1], cstr[2]] + space = 'rgb' + alpha = cstr.length === 4 ? cstr[3] : 1 + } + + return { + space: space, + values: parts, + alpha: alpha + } +} }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"color-name":98,"defined":129,"is-plain-obj":286}],101:[function(require,module,exports){ -/** @module color-rgba */ - -'use strict' - -var parse = require('color-parse') -var hsl = require('color-space/hsl') -var clamp = require('clamp') - -module.exports = function rgba (color) { - var values, i, l - - if (typeof color !== 'string') throw Error('Argument should be a string') - - //attempt to parse non-array arguments - var parsed = parse(color) - - if (!parsed.space) return [] - - values = Array(3) - values[0] = clamp(parsed.values[0], 0, 255) - values[1] = clamp(parsed.values[1], 0, 255) - values[2] = clamp(parsed.values[2], 0, 255) - - if (parsed.space[0] === 'h') { - values = hsl.rgb(values) - } - - values.push(clamp(parsed.alpha, 0, 1)) - - return values -} +/** @module color-rgba */ + +'use strict' + +var parse = require('color-parse') +var hsl = require('color-space/hsl') +var clamp = require('clamp') + +module.exports = function rgba (color) { + var values, i, l + + if (typeof color !== 'string') throw Error('Argument should be a string') + + //attempt to parse non-array arguments + var parsed = parse(color) + + if (!parsed.space) return [] + + values = Array(3) + values[0] = clamp(parsed.values[0], 0, 255) + values[1] = clamp(parsed.values[1], 0, 255) + values[2] = clamp(parsed.values[2], 0, 255) + + if (parsed.space[0] === 'h') { + values = hsl.rgb(values) + } + + values.push(clamp(parsed.alpha, 0, 1)) + + return values +} },{"clamp":93,"color-parse":100,"color-space/hsl":102}],102:[function(require,module,exports){ /** @@ -13078,559 +13078,559 @@ function cubicHermite(p0, v0, p1, v1, t, f) { module.exports = cubicHermite module.exports.derivative = dcubicHermite },{}],116:[function(require,module,exports){ -"use strict" - -var createThunk = require("./lib/thunk.js") - -function Procedure() { - this.argTypes = [] - this.shimArgs = [] - this.arrayArgs = [] - this.arrayBlockIndices = [] - this.scalarArgs = [] - this.offsetArgs = [] - this.offsetArgIndex = [] - this.indexArgs = [] - this.shapeArgs = [] - this.funcName = "" - this.pre = null - this.body = null - this.post = null - this.debug = false -} - -function compileCwise(user_args) { - //Create procedure - var proc = new Procedure() - - //Parse blocks - proc.pre = user_args.pre - proc.body = user_args.body - proc.post = user_args.post - - //Parse arguments - var proc_args = user_args.args.slice(0) - proc.argTypes = proc_args - for(var i=0; i0) { - throw new Error("cwise: pre() block may not reference array args") - } - if(i < proc.post.args.length && proc.post.args[i].count>0) { - throw new Error("cwise: post() block may not reference array args") - } - } else if(arg_type === "scalar") { - proc.scalarArgs.push(i) - proc.shimArgs.push("scalar" + i) - } else if(arg_type === "index") { - proc.indexArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { - throw new Error("cwise: pre() block may not reference array index") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array index") - } - if(i < proc.post.args.length && proc.post.args[i].count > 0) { - throw new Error("cwise: post() block may not reference array index") - } - } else if(arg_type === "shape") { - proc.shapeArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { - throw new Error("cwise: pre() block may not write to array shape") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array shape") - } - if(i < proc.post.args.length && proc.post.args[i].lvalue) { - throw new Error("cwise: post() block may not write to array shape") - } - } else if(typeof arg_type === "object" && arg_type.offset) { - proc.argTypes[i] = "offset" - proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) - proc.offsetArgIndex.push(i) - } else { - throw new Error("cwise: Unknown argument type " + proc_args[i]) - } - } - - //Make sure at least one array argument was specified - if(proc.arrayArgs.length <= 0) { - throw new Error("cwise: No array arguments specified") - } - - //Make sure arguments are correct - if(proc.pre.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in pre() block") - } - if(proc.body.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in body() block") - } - if(proc.post.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in post() block") - } - - //Check debug flag - proc.debug = !!user_args.printCode || !!user_args.debug - - //Retrieve name - proc.funcName = user_args.funcName || "cwise" - - //Read in block size - proc.blockSize = user_args.blockSize || 64 - - return createThunk(proc) -} - -module.exports = compileCwise +"use strict" + +var createThunk = require("./lib/thunk.js") + +function Procedure() { + this.argTypes = [] + this.shimArgs = [] + this.arrayArgs = [] + this.arrayBlockIndices = [] + this.scalarArgs = [] + this.offsetArgs = [] + this.offsetArgIndex = [] + this.indexArgs = [] + this.shapeArgs = [] + this.funcName = "" + this.pre = null + this.body = null + this.post = null + this.debug = false +} + +function compileCwise(user_args) { + //Create procedure + var proc = new Procedure() + + //Parse blocks + proc.pre = user_args.pre + proc.body = user_args.body + proc.post = user_args.post + + //Parse arguments + var proc_args = user_args.args.slice(0) + proc.argTypes = proc_args + for(var i=0; i0) { + throw new Error("cwise: pre() block may not reference array args") + } + if(i < proc.post.args.length && proc.post.args[i].count>0) { + throw new Error("cwise: post() block may not reference array args") + } + } else if(arg_type === "scalar") { + proc.scalarArgs.push(i) + proc.shimArgs.push("scalar" + i) + } else if(arg_type === "index") { + proc.indexArgs.push(i) + if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { + throw new Error("cwise: pre() block may not reference array index") + } + if(i < proc.body.args.length && proc.body.args[i].lvalue) { + throw new Error("cwise: body() block may not write to array index") + } + if(i < proc.post.args.length && proc.post.args[i].count > 0) { + throw new Error("cwise: post() block may not reference array index") + } + } else if(arg_type === "shape") { + proc.shapeArgs.push(i) + if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { + throw new Error("cwise: pre() block may not write to array shape") + } + if(i < proc.body.args.length && proc.body.args[i].lvalue) { + throw new Error("cwise: body() block may not write to array shape") + } + if(i < proc.post.args.length && proc.post.args[i].lvalue) { + throw new Error("cwise: post() block may not write to array shape") + } + } else if(typeof arg_type === "object" && arg_type.offset) { + proc.argTypes[i] = "offset" + proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) + proc.offsetArgIndex.push(i) + } else { + throw new Error("cwise: Unknown argument type " + proc_args[i]) + } + } + + //Make sure at least one array argument was specified + if(proc.arrayArgs.length <= 0) { + throw new Error("cwise: No array arguments specified") + } + + //Make sure arguments are correct + if(proc.pre.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in pre() block") + } + if(proc.body.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in body() block") + } + if(proc.post.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in post() block") + } + + //Check debug flag + proc.debug = !!user_args.printCode || !!user_args.debug + + //Retrieve name + proc.funcName = user_args.funcName || "cwise" + + //Read in block size + proc.blockSize = user_args.blockSize || 64 + + return createThunk(proc) +} + +module.exports = compileCwise },{"./lib/thunk.js":118}],117:[function(require,module,exports){ -"use strict" - -var uniq = require("uniq") - -// This function generates very simple loops analogous to how you typically traverse arrays (the outermost loop corresponds to the slowest changing index, the innermost loop to the fastest changing index) -// TODO: If two arrays have the same strides (and offsets) there is potential for decreasing the number of "pointers" and related variables. The drawback is that the type signature would become more specific and that there would thus be less potential for caching, but it might still be worth it, especially when dealing with large numbers of arguments. -function innerFill(order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , has_index = proc.indexArgs.length>0 - , code = [] - , vars = [] - , idx=0, pidx=0, i, j - for(i=0; i=0; --i) { // Start at largest stride and work your way inwards - idx = order[i] - code.push(["for(i",i,"=0;i",i," 0) { - code.push(["index[",pidx,"]-=s",pidx].join("")) - } - code.push(["++index[",idx,"]"].join("")) - } - code.push("}") - } - return code.join("\n") -} - -// Generate "outer" loops that loop over blocks of data, applying "inner" loops to the blocks by manipulating the local variables in such a way that the inner loop only "sees" the current block. -// TODO: If this is used, then the previous declaration (done by generateCwiseOp) of s* is essentially unnecessary. -// I believe the s* are not used elsewhere (in particular, I don't think they're used in the pre/post parts and "shape" is defined independently), so it would be possible to make defining the s* dependent on what loop method is being used. -function outerFill(matched, order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , blockSize = proc.blockSize - , has_index = proc.indexArgs.length > 0 - , code = [] - for(var i=0; i0;){"].join("")) // Iterate back to front - code.push(["if(j",i,"<",blockSize,"){"].join("")) // Either decrease j by blockSize (s = blockSize), or set it to zero (after setting s = j). - code.push(["s",order[i],"=j",i].join("")) - code.push(["j",i,"=0"].join("")) - code.push(["}else{s",order[i],"=",blockSize].join("")) - code.push(["j",i,"-=",blockSize,"}"].join("")) - if(has_index) { - code.push(["index[",order[i],"]=j",i].join("")) - } - } - for(var i=0; i 0) { - allEqual = allEqual && summary[i] === summary[i-1] - } - } - if(allEqual) { - return summary[0] - } - return summary.join("") -} - -//Generates a cwise operator -function generateCWiseOp(proc, typesig) { - - //Compute dimension - // Arrays get put first in typesig, and there are two entries per array (dtype and order), so this gets the number of dimensions in the first array arg. - var dimension = (typesig[1].length - Math.abs(proc.arrayBlockIndices[0]))|0 - var orders = new Array(proc.arrayArgs.length) - var dtypes = new Array(proc.arrayArgs.length) - for(var i=0; i 0) { - vars.push("shape=SS.slice(0)") // Makes the shape over which we iterate available to the user defined functions (so you can use width/height for example) - } - if(proc.indexArgs.length > 0) { - // Prepare an array to keep track of the (logical) indices, initialized to dimension zeroes. - var zeros = new Array(dimension) - for(var i=0; i 3) { - code.push(processBlock(proc.pre, proc, dtypes)) - } - - //Process body - var body = processBlock(proc.body, proc, dtypes) - var matched = countMatches(loopOrders) - if(matched < dimension) { - code.push(outerFill(matched, loopOrders[0], proc, body)) // TODO: Rather than passing loopOrders[0], it might be interesting to look at passing an order that represents the majority of the arguments for example. - } else { - code.push(innerFill(loopOrders[0], proc, body)) - } - - //Inline epilog - if(proc.post.body.length > 3) { - code.push(processBlock(proc.post, proc, dtypes)) - } - - if(proc.debug) { - console.log("-----Generated cwise routine for ", typesig, ":\n" + code.join("\n") + "\n----------") - } - - var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") - var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) - return f() -} -module.exports = generateCWiseOp +"use strict" + +var uniq = require("uniq") + +// This function generates very simple loops analogous to how you typically traverse arrays (the outermost loop corresponds to the slowest changing index, the innermost loop to the fastest changing index) +// TODO: If two arrays have the same strides (and offsets) there is potential for decreasing the number of "pointers" and related variables. The drawback is that the type signature would become more specific and that there would thus be less potential for caching, but it might still be worth it, especially when dealing with large numbers of arguments. +function innerFill(order, proc, body) { + var dimension = order.length + , nargs = proc.arrayArgs.length + , has_index = proc.indexArgs.length>0 + , code = [] + , vars = [] + , idx=0, pidx=0, i, j + for(i=0; i=0; --i) { // Start at largest stride and work your way inwards + idx = order[i] + code.push(["for(i",i,"=0;i",i," 0) { + code.push(["index[",pidx,"]-=s",pidx].join("")) + } + code.push(["++index[",idx,"]"].join("")) + } + code.push("}") + } + return code.join("\n") +} + +// Generate "outer" loops that loop over blocks of data, applying "inner" loops to the blocks by manipulating the local variables in such a way that the inner loop only "sees" the current block. +// TODO: If this is used, then the previous declaration (done by generateCwiseOp) of s* is essentially unnecessary. +// I believe the s* are not used elsewhere (in particular, I don't think they're used in the pre/post parts and "shape" is defined independently), so it would be possible to make defining the s* dependent on what loop method is being used. +function outerFill(matched, order, proc, body) { + var dimension = order.length + , nargs = proc.arrayArgs.length + , blockSize = proc.blockSize + , has_index = proc.indexArgs.length > 0 + , code = [] + for(var i=0; i0;){"].join("")) // Iterate back to front + code.push(["if(j",i,"<",blockSize,"){"].join("")) // Either decrease j by blockSize (s = blockSize), or set it to zero (after setting s = j). + code.push(["s",order[i],"=j",i].join("")) + code.push(["j",i,"=0"].join("")) + code.push(["}else{s",order[i],"=",blockSize].join("")) + code.push(["j",i,"-=",blockSize,"}"].join("")) + if(has_index) { + code.push(["index[",order[i],"]=j",i].join("")) + } + } + for(var i=0; i 0) { + allEqual = allEqual && summary[i] === summary[i-1] + } + } + if(allEqual) { + return summary[0] + } + return summary.join("") +} + +//Generates a cwise operator +function generateCWiseOp(proc, typesig) { + + //Compute dimension + // Arrays get put first in typesig, and there are two entries per array (dtype and order), so this gets the number of dimensions in the first array arg. + var dimension = (typesig[1].length - Math.abs(proc.arrayBlockIndices[0]))|0 + var orders = new Array(proc.arrayArgs.length) + var dtypes = new Array(proc.arrayArgs.length) + for(var i=0; i 0) { + vars.push("shape=SS.slice(0)") // Makes the shape over which we iterate available to the user defined functions (so you can use width/height for example) + } + if(proc.indexArgs.length > 0) { + // Prepare an array to keep track of the (logical) indices, initialized to dimension zeroes. + var zeros = new Array(dimension) + for(var i=0; i 3) { + code.push(processBlock(proc.pre, proc, dtypes)) + } + + //Process body + var body = processBlock(proc.body, proc, dtypes) + var matched = countMatches(loopOrders) + if(matched < dimension) { + code.push(outerFill(matched, loopOrders[0], proc, body)) // TODO: Rather than passing loopOrders[0], it might be interesting to look at passing an order that represents the majority of the arguments for example. + } else { + code.push(innerFill(loopOrders[0], proc, body)) + } + + //Inline epilog + if(proc.post.body.length > 3) { + code.push(processBlock(proc.post, proc, dtypes)) + } + + if(proc.debug) { + console.log("-----Generated cwise routine for ", typesig, ":\n" + code.join("\n") + "\n----------") + } + + var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") + var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) + return f() +} +module.exports = generateCWiseOp },{"uniq":556}],118:[function(require,module,exports){ -"use strict" - -// The function below is called when constructing a cwise function object, and does the following: -// A function object is constructed which accepts as argument a compilation function and returns another function. -// It is this other function that is eventually returned by createThunk, and this function is the one that actually -// checks whether a certain pattern of arguments has already been used before and compiles new loops as needed. -// The compilation passed to the first function object is used for compiling new functions. -// Once this function object is created, it is called with compile as argument, where the first argument of compile -// is bound to "proc" (essentially containing a preprocessed version of the user arguments to cwise). -// So createThunk roughly works like this: -// function createThunk(proc) { -// var thunk = function(compileBound) { -// var CACHED = {} -// return function(arrays and scalars) { -// if (dtype and order of arrays in CACHED) { -// var func = CACHED[dtype and order of arrays] -// } else { -// var func = CACHED[dtype and order of arrays] = compileBound(dtype and order of arrays) -// } -// return func(arrays and scalars) -// } -// } -// return thunk(compile.bind1(proc)) -// } - -var compile = require("./compile.js") - -function createThunk(proc) { - var code = ["'use strict'", "var CACHED={}"] - var vars = [] - var thunkName = proc.funcName + "_cwise_thunk" - - //Build thunk - code.push(["return function ", thunkName, "(", proc.shimArgs.join(","), "){"].join("")) - var typesig = [] - var string_typesig = [] - var proc_args = [["array",proc.arrayArgs[0],".shape.slice(", // Slice shape so that we only retain the shape over which we iterate (which gets passed to the cwise operator as SS). - Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?(","+proc.arrayBlockIndices[0]+")"):")"].join("")] - var shapeLengthConditions = [], shapeConditions = [] - // Process array arguments - for(var i=0; i0) { // Gather conditions to check for shape equality (ignoring block indices) - shapeLengthConditions.push("array" + proc.arrayArgs[0] + ".shape.length===array" + j + ".shape.length+" + (Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))) - shapeConditions.push("array" + proc.arrayArgs[0] + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[0]) + "]===array" + j + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[i]) + "]") - } - } - // Check for shape equality - if (proc.arrayArgs.length > 1) { - code.push("if (!(" + shapeLengthConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same dimensionality!')") - code.push("for(var shapeIndex=array" + proc.arrayArgs[0] + ".shape.length-" + Math.abs(proc.arrayBlockIndices[0]) + "; shapeIndex-->0;) {") - code.push("if (!(" + shapeConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same shape!')") - code.push("}") - } - // Process scalar arguments - for(var i=0; i0) { // Gather conditions to check for shape equality (ignoring block indices) + shapeLengthConditions.push("array" + proc.arrayArgs[0] + ".shape.length===array" + j + ".shape.length+" + (Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))) + shapeConditions.push("array" + proc.arrayArgs[0] + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[0]) + "]===array" + j + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[i]) + "]") + } + } + // Check for shape equality + if (proc.arrayArgs.length > 1) { + code.push("if (!(" + shapeLengthConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same dimensionality!')") + code.push("for(var shapeIndex=array" + proc.arrayArgs[0] + ".shape.length-" + Math.abs(proc.arrayBlockIndices[0]) + "; shapeIndex-->0;) {") + code.push("if (!(" + shapeConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same shape!')") + code.push("}") + } + // Process scalar arguments + for(var i=0; i> (i * 8)) & 0xff - } - - this.pickOffset = pickOffset - - shader.bind() - - var uniforms = shader.uniforms - uniforms.viewTransform = MATRIX - uniforms.pickOffset = PICK_VECTOR - uniforms.shape = this.shape - - var attributes = shader.attributes - this.positionBuffer.bind() - attributes.position.pointer() - - this.weightBuffer.bind() - attributes.weight.pointer(gl.UNSIGNED_BYTE, false) - - this.idBuffer.bind() - attributes.pickId.pointer(gl.UNSIGNED_BYTE, false) - - gl.drawArrays(gl.TRIANGLES, 0, numVertices) - - return pickOffset + this.shape[0] * this.shape[1] - } -})() - -proto.pick = function (x, y, value) { - var pickOffset = this.pickOffset - var pointCount = this.shape[0] * this.shape[1] - if (value < pickOffset || value >= pickOffset + pointCount) { - return null - } - var pointId = value - pickOffset - var xData = this.xData - var yData = this.yData - return { - object: this, - pointId: pointId, - dataCoord: [ - xData[pointId % this.shape[0]], - yData[(pointId / this.shape[0]) | 0]] - } -} - -proto.update = function (options) { - options = options || {} - - var shape = options.shape || [0, 0] - - var x = options.x || iota(shape[0]) - var y = options.y || iota(shape[1]) - var z = options.z || new Float32Array(shape[0] * shape[1]) - - this.xData = x - this.yData = y - - var colorLevels = options.colorLevels || [0] - var colorValues = options.colorValues || [0, 0, 0, 1] - var colorCount = colorLevels.length - - var bounds = this.bounds - var lox = bounds[0] = x[0] - var loy = bounds[1] = y[0] - var hix = bounds[2] = x[x.length - 1] - var hiy = bounds[3] = y[y.length - 1] - - var xs = 1.0 / (hix - lox) - var ys = 1.0 / (hiy - loy) - - var numX = shape[0] - var numY = shape[1] - - this.shape = [numX, numY] - - var numVerts = (numX - 1) * (numY - 1) * (WEIGHTS.length >>> 1) - - this.numVertices = numVerts - - var colors = pool.mallocUint8(numVerts * 4) - var positions = pool.mallocFloat32(numVerts * 2) - var weights = pool.mallocUint8 (numVerts * 2) - var ids = pool.mallocUint32(numVerts) - - var ptr = 0 - - for (var j = 0; j < numY - 1; ++j) { - var yc0 = ys * (y[j] - loy) - var yc1 = ys * (y[j + 1] - loy) - for (var i = 0; i < numX - 1; ++i) { - var xc0 = xs * (x[i] - lox) - var xc1 = xs * (x[i + 1] - lox) - - for (var dd = 0; dd < WEIGHTS.length; dd += 2) { - var dx = WEIGHTS[dd] - var dy = WEIGHTS[dd + 1] - var offset = (j + dy) * numX + (i + dx) - var zc = z[offset] - var colorIdx = bsearch.le(colorLevels, zc) - var r, g, b, a - if (colorIdx < 0) { - r = colorValues[0] - g = colorValues[1] - b = colorValues[2] - a = colorValues[3] - } else if (colorIdx === colorCount - 1) { - r = colorValues[4 * colorCount - 4] - g = colorValues[4 * colorCount - 3] - b = colorValues[4 * colorCount - 2] - a = colorValues[4 * colorCount - 1] - } else { - var t = (zc - colorLevels[colorIdx]) / - (colorLevels[colorIdx + 1] - colorLevels[colorIdx]) - var ti = 1.0 - t - var i0 = 4 * colorIdx - var i1 = 4 * (colorIdx + 1) - r = ti * colorValues[i0] + t * colorValues[i1] - g = ti * colorValues[i0 + 1] + t * colorValues[i1 + 1] - b = ti * colorValues[i0 + 2] + t * colorValues[i1 + 2] - a = ti * colorValues[i0 + 3] + t * colorValues[i1 + 3] - } - - colors[4 * ptr] = 255 * r - colors[4 * ptr + 1] = 255 * g - colors[4 * ptr + 2] = 255 * b - colors[4 * ptr + 3] = 255 * a - - positions[2*ptr] = xc0*.5 + xc1*.5; - positions[2*ptr+1] = yc0*.5 + yc1*.5; - - weights[2*ptr] = dx; - weights[2*ptr+1] = dy; - - ids[ptr] = j * numX + i - - ptr += 1 - } - } - } - - this.positionBuffer.update(positions) - this.weightBuffer.update(weights) - this.colorBuffer.update(colors) - this.idBuffer.update(ids) - - pool.free(positions) - pool.free(colors) - pool.free(weights) - pool.free(ids) -} - -proto.dispose = function () { - this.shader.dispose() - this.pickShader.dispose() - this.positionBuffer.dispose() - this.weightBuffer.dispose() - this.colorBuffer.dispose() - this.idBuffer.dispose() - this.plot.removeObject(this) -} - -function createHeatmap2D (plot, options) { - var gl = plot.gl - - var shader = createShader(gl, shaders.vertex, shaders.fragment) - var pickShader = createShader(gl, shaders.pickVertex, shaders.pickFragment) - - var positionBuffer = createBuffer(gl) - var weightBuffer = createBuffer(gl) - var colorBuffer = createBuffer(gl) - var idBuffer = createBuffer(gl) - - var heatmap = new GLHeatmap2D( - plot, - shader, - pickShader, - positionBuffer, - weightBuffer, - colorBuffer, - idBuffer) - - heatmap.update(options) - plot.addObject(heatmap) - - return heatmap -} +'use strict' + +module.exports = createHeatmap2D + +var bsearch = require('binary-search-bounds') +var iota = require('iota-array') +var pool = require('typedarray-pool') +var createShader = require('gl-shader') +var createBuffer = require('gl-buffer') + +var shaders = require('./lib/shaders') + +function GLHeatmap2D ( + plot, + shader, + pickShader, + positionBuffer, + weightBuffer, + colorBuffer, + idBuffer) { + this.plot = plot + this.shader = shader + this.pickShader = pickShader + this.positionBuffer = positionBuffer + this.weightBuffer = weightBuffer + this.colorBuffer = colorBuffer + this.idBuffer = idBuffer + this.xData = [] + this.yData = [] + this.shape = [0, 0] + this.bounds = [Infinity, Infinity, -Infinity, -Infinity] + this.pickOffset = 0 +} + +var proto = GLHeatmap2D.prototype + +var WEIGHTS = [ + 0, 0, + 1, 0, + 0, 1, + 1, 0, + 1, 1, + 0, 1 +] + +proto.draw = (function () { + var MATRIX = [ + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + ] + + return function () { + var plot = this.plot + var shader = this.shader + var bounds = this.bounds + var numVertices = this.numVertices + + if (numVertices <= 0) { + return + } + + var gl = plot.gl + var dataBox = plot.dataBox + + var boundX = bounds[2] - bounds[0] + var boundY = bounds[3] - bounds[1] + var dataX = dataBox[2] - dataBox[0] + var dataY = dataBox[3] - dataBox[1] + + MATRIX[0] = 2.0 * boundX / dataX + MATRIX[4] = 2.0 * boundY / dataY + MATRIX[6] = 2.0 * (bounds[0] - dataBox[0]) / dataX - 1.0 + MATRIX[7] = 2.0 * (bounds[1] - dataBox[1]) / dataY - 1.0 + + shader.bind() + + var uniforms = shader.uniforms + uniforms.viewTransform = MATRIX + + uniforms.shape = this.shape + + var attributes = shader.attributes + this.positionBuffer.bind() + attributes.position.pointer() + + this.weightBuffer.bind() + attributes.weight.pointer(gl.UNSIGNED_BYTE, false) + + this.colorBuffer.bind() + attributes.color.pointer(gl.UNSIGNED_BYTE, true) + + gl.drawArrays(gl.TRIANGLES, 0, numVertices) + } +})() + +proto.drawPick = (function () { + var MATRIX = [ + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + ] + + var PICK_VECTOR = [0, 0, 0, 0] + + return function (pickOffset) { + var plot = this.plot + var shader = this.pickShader + var bounds = this.bounds + var numVertices = this.numVertices + + if (numVertices <= 0) { + return + } + + var gl = plot.gl + var dataBox = plot.dataBox + + var boundX = bounds[2] - bounds[0] + var boundY = bounds[3] - bounds[1] + var dataX = dataBox[2] - dataBox[0] + var dataY = dataBox[3] - dataBox[1] + + MATRIX[0] = 2.0 * boundX / dataX + MATRIX[4] = 2.0 * boundY / dataY + MATRIX[6] = 2.0 * (bounds[0] - dataBox[0]) / dataX - 1.0 + MATRIX[7] = 2.0 * (bounds[1] - dataBox[1]) / dataY - 1.0 + + for (var i = 0; i < 4; ++i) { + PICK_VECTOR[i] = (pickOffset >> (i * 8)) & 0xff + } + + this.pickOffset = pickOffset + + shader.bind() + + var uniforms = shader.uniforms + uniforms.viewTransform = MATRIX + uniforms.pickOffset = PICK_VECTOR + uniforms.shape = this.shape + + var attributes = shader.attributes + this.positionBuffer.bind() + attributes.position.pointer() + + this.weightBuffer.bind() + attributes.weight.pointer(gl.UNSIGNED_BYTE, false) + + this.idBuffer.bind() + attributes.pickId.pointer(gl.UNSIGNED_BYTE, false) + + gl.drawArrays(gl.TRIANGLES, 0, numVertices) + + return pickOffset + this.shape[0] * this.shape[1] + } +})() + +proto.pick = function (x, y, value) { + var pickOffset = this.pickOffset + var pointCount = this.shape[0] * this.shape[1] + if (value < pickOffset || value >= pickOffset + pointCount) { + return null + } + var pointId = value - pickOffset + var xData = this.xData + var yData = this.yData + return { + object: this, + pointId: pointId, + dataCoord: [ + xData[pointId % this.shape[0]], + yData[(pointId / this.shape[0]) | 0]] + } +} + +proto.update = function (options) { + options = options || {} + + var shape = options.shape || [0, 0] + + var x = options.x || iota(shape[0]) + var y = options.y || iota(shape[1]) + var z = options.z || new Float32Array(shape[0] * shape[1]) + + this.xData = x + this.yData = y + + var colorLevels = options.colorLevels || [0] + var colorValues = options.colorValues || [0, 0, 0, 1] + var colorCount = colorLevels.length + + var bounds = this.bounds + var lox = bounds[0] = x[0] + var loy = bounds[1] = y[0] + var hix = bounds[2] = x[x.length - 1] + var hiy = bounds[3] = y[y.length - 1] + + var xs = 1.0 / (hix - lox) + var ys = 1.0 / (hiy - loy) + + var numX = shape[0] + var numY = shape[1] + + this.shape = [numX, numY] + + var numVerts = (numX - 1) * (numY - 1) * (WEIGHTS.length >>> 1) + + this.numVertices = numVerts + + var colors = pool.mallocUint8(numVerts * 4) + var positions = pool.mallocFloat32(numVerts * 2) + var weights = pool.mallocUint8 (numVerts * 2) + var ids = pool.mallocUint32(numVerts) + + var ptr = 0 + + for (var j = 0; j < numY - 1; ++j) { + var yc0 = ys * (y[j] - loy) + var yc1 = ys * (y[j + 1] - loy) + for (var i = 0; i < numX - 1; ++i) { + var xc0 = xs * (x[i] - lox) + var xc1 = xs * (x[i + 1] - lox) + + for (var dd = 0; dd < WEIGHTS.length; dd += 2) { + var dx = WEIGHTS[dd] + var dy = WEIGHTS[dd + 1] + var offset = (j + dy) * numX + (i + dx) + var zc = z[offset] + var colorIdx = bsearch.le(colorLevels, zc) + var r, g, b, a + if (colorIdx < 0) { + r = colorValues[0] + g = colorValues[1] + b = colorValues[2] + a = colorValues[3] + } else if (colorIdx === colorCount - 1) { + r = colorValues[4 * colorCount - 4] + g = colorValues[4 * colorCount - 3] + b = colorValues[4 * colorCount - 2] + a = colorValues[4 * colorCount - 1] + } else { + var t = (zc - colorLevels[colorIdx]) / + (colorLevels[colorIdx + 1] - colorLevels[colorIdx]) + var ti = 1.0 - t + var i0 = 4 * colorIdx + var i1 = 4 * (colorIdx + 1) + r = ti * colorValues[i0] + t * colorValues[i1] + g = ti * colorValues[i0 + 1] + t * colorValues[i1 + 1] + b = ti * colorValues[i0 + 2] + t * colorValues[i1 + 2] + a = ti * colorValues[i0 + 3] + t * colorValues[i1 + 3] + } + + colors[4 * ptr] = 255 * r + colors[4 * ptr + 1] = 255 * g + colors[4 * ptr + 2] = 255 * b + colors[4 * ptr + 3] = 255 * a + + positions[2*ptr] = xc0*.5 + xc1*.5; + positions[2*ptr+1] = yc0*.5 + yc1*.5; + + weights[2*ptr] = dx; + weights[2*ptr+1] = dy; + + ids[ptr] = j * numX + i + + ptr += 1 + } + } + } + + this.positionBuffer.update(positions) + this.weightBuffer.update(weights) + this.colorBuffer.update(colors) + this.idBuffer.update(ids) + + pool.free(positions) + pool.free(colors) + pool.free(weights) + pool.free(ids) +} + +proto.dispose = function () { + this.shader.dispose() + this.pickShader.dispose() + this.positionBuffer.dispose() + this.weightBuffer.dispose() + this.colorBuffer.dispose() + this.idBuffer.dispose() + this.plot.removeObject(this) +} + +function createHeatmap2D (plot, options) { + var gl = plot.gl + + var shader = createShader(gl, shaders.vertex, shaders.fragment) + var pickShader = createShader(gl, shaders.pickVertex, shaders.pickFragment) + + var positionBuffer = createBuffer(gl) + var weightBuffer = createBuffer(gl) + var colorBuffer = createBuffer(gl) + var idBuffer = createBuffer(gl) + + var heatmap = new GLHeatmap2D( + plot, + shader, + pickShader, + positionBuffer, + weightBuffer, + colorBuffer, + idBuffer) + + heatmap.update(options) + plot.addObject(heatmap) + + return heatmap +} },{"./lib/shaders":174,"binary-search-bounds":175,"gl-buffer":165,"gl-shader":243,"iota-array":281,"typedarray-pool":554}],174:[function(require,module,exports){ -'use strict' - - - -module.exports = { - fragment: "precision lowp float;\n#define GLSLIFY 1\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = vec4(fragColor.rgb * fragColor.a, fragColor.a);\n}\n", - vertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 color;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n fragColor = color;\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n", - pickFragment: "precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nuniform vec2 shape;\nuniform vec4 pickOffset;\n\nvoid main() {\n vec2 d = step(.5, vWeight);\n vec4 id = fragId + pickOffset;\n id.x += d.x + d.y*shape.x;\n\n id.y += floor(id.x / 256.0);\n id.x -= floor(id.x / 256.0) * 256.0;\n\n id.z += floor(id.y / 256.0);\n id.y -= floor(id.y / 256.0) * 256.0;\n\n id.w += floor(id.z / 256.0);\n id.z -= floor(id.z / 256.0) * 256.0;\n\n gl_FragColor = id/255.;\n}\n", - pickVertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 pickId;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nvoid main() {\n vWeight = weight;\n\n fragId = pickId;\n\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n" -} +'use strict' + + + +module.exports = { + fragment: "precision lowp float;\n#define GLSLIFY 1\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = vec4(fragColor.rgb * fragColor.a, fragColor.a);\n}\n", + vertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 color;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n fragColor = color;\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n", + pickFragment: "precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nuniform vec2 shape;\nuniform vec4 pickOffset;\n\nvoid main() {\n vec2 d = step(.5, vWeight);\n vec4 id = fragId + pickOffset;\n id.x += d.x + d.y*shape.x;\n\n id.y += floor(id.x / 256.0);\n id.x -= floor(id.x / 256.0) * 256.0;\n\n id.z += floor(id.y / 256.0);\n id.y -= floor(id.y / 256.0) * 256.0;\n\n id.w += floor(id.z / 256.0);\n id.z -= floor(id.z / 256.0) * 256.0;\n\n gl_FragColor = id/255.;\n}\n", + pickVertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 pickId;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nvoid main() {\n vWeight = weight;\n\n fragId = pickId;\n\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n" +} },{}],175:[function(require,module,exports){ arguments[4][89][0].apply(exports,arguments) @@ -43497,675 +43497,675 @@ function createSimplicialMesh(gl, params) { module.exports = createSimplicialMesh },{"./lib/closest-point":208,"./lib/shaders":209,"colormap":105,"gl-buffer":165,"gl-mat4/invert":186,"gl-mat4/multiply":188,"gl-shader":243,"gl-texture2d":255,"gl-vao":259,"ndarray":458,"normals":461,"simplicial-complex-contour":524,"typedarray-pool":554}],211:[function(require,module,exports){ -'use strict' - -module.exports = createBoxes - -var createBuffer = require('gl-buffer') -var createShader = require('gl-shader') - -var shaders = require('./shaders') - -function Boxes(plot, vbo, shader) { - this.plot = plot - this.vbo = vbo - this.shader = shader -} - -var proto = Boxes.prototype - -proto.bind = function() { - var shader = this.shader - this.vbo.bind() - this.shader.bind() - shader.attributes.coord.pointer() - shader.uniforms.screenBox = this.plot.screenBox -} - -proto.drawBox = (function() { - var lo = [0,0] - var hi = [0,0] - return function(loX, loY, hiX, hiY, color) { - var plot = this.plot - var shader = this.shader - var gl = plot.gl - - lo[0] = loX - lo[1] = loY - hi[0] = hiX - hi[1] = hiY - - shader.uniforms.lo = lo - shader.uniforms.hi = hi - shader.uniforms.color = color - - gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4) - } -}()) - -proto.dispose = function() { - this.vbo.dispose() - this.shader.dispose() -} - -function createBoxes(plot) { - var gl = plot.gl - var vbo = createBuffer(gl, [ - 0,0, - 0,1, - 1,0, - 1,1]) - var shader = createShader(gl, shaders.boxVert, shaders.lineFrag) - return new Boxes(plot, vbo, shader) -} +'use strict' + +module.exports = createBoxes + +var createBuffer = require('gl-buffer') +var createShader = require('gl-shader') + +var shaders = require('./shaders') + +function Boxes(plot, vbo, shader) { + this.plot = plot + this.vbo = vbo + this.shader = shader +} + +var proto = Boxes.prototype + +proto.bind = function() { + var shader = this.shader + this.vbo.bind() + this.shader.bind() + shader.attributes.coord.pointer() + shader.uniforms.screenBox = this.plot.screenBox +} + +proto.drawBox = (function() { + var lo = [0,0] + var hi = [0,0] + return function(loX, loY, hiX, hiY, color) { + var plot = this.plot + var shader = this.shader + var gl = plot.gl + + lo[0] = loX + lo[1] = loY + hi[0] = hiX + hi[1] = hiY + + shader.uniforms.lo = lo + shader.uniforms.hi = hi + shader.uniforms.color = color + + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4) + } +}()) + +proto.dispose = function() { + this.vbo.dispose() + this.shader.dispose() +} + +function createBoxes(plot) { + var gl = plot.gl + var vbo = createBuffer(gl, [ + 0,0, + 0,1, + 1,0, + 1,1]) + var shader = createShader(gl, shaders.boxVert, shaders.lineFrag) + return new Boxes(plot, vbo, shader) +} },{"./shaders":214,"gl-buffer":165,"gl-shader":217}],212:[function(require,module,exports){ -'use strict' - -module.exports = createGrid - -var createBuffer = require('gl-buffer') -var createShader = require('gl-shader') -var bsearch = require('binary-search-bounds') -var shaders = require('./shaders') - -function Grid(plot, vbo, shader, tickShader) { - this.plot = plot - this.vbo = vbo - this.shader = shader - this.tickShader = tickShader - this.ticks = [[], []] -} - -function compareTickNum(a, b) { - return a - b -} - -var proto = Grid.prototype - -proto.draw = (function() { - - var DATA_SHIFT = [0,0] - var DATA_SCALE = [0,0] - var DATA_AXIS = [0,0] - - return function() { - var plot = this.plot - var vbo = this.vbo - var shader = this.shader - var ticks = this.ticks - var gl = plot.gl - var bounds = plot._tickBounds - var dataBox = plot.dataBox - var viewPixels = plot.viewBox - var lineWidth = plot.gridLineWidth - var gridColor = plot.gridLineColor - var gridEnable = plot.gridLineEnable - var pixelRatio = plot.pixelRatio - - for(var i=0; i<2; ++i) { - var lo = bounds[i] - var hi = bounds[i+2] - var boundScale = hi - lo - var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) - var dataWidth = dataBox[i+2] - dataBox[i] - DATA_SCALE[i] = 2.0 * boundScale / dataWidth - DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth - } - - shader.bind() - vbo.bind() - shader.attributes.dataCoord.pointer() - shader.uniforms.dataShift = DATA_SHIFT - shader.uniforms.dataScale = DATA_SCALE - - var offset = 0 - for(var i=0; i<2; ++i) { - DATA_AXIS[0] = DATA_AXIS[1] = 0 - DATA_AXIS[i] = 1 - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.lineWidth = lineWidth[i] / (viewPixels[i+2] - viewPixels[i]) * pixelRatio - shader.uniforms.color = gridColor[i] - - var size = ticks[i].length * 6 - if(gridEnable[i] && size) { - gl.drawArrays(gl.TRIANGLES, offset, size) - } - offset += size - } - } -})() - -proto.drawTickMarks = (function() { - var DATA_SHIFT = [0,0] - var DATA_SCALE = [0,0] - var X_AXIS = [1,0] - var Y_AXIS = [0,1] - var SCR_OFFSET = [0,0] - var TICK_SCALE = [0,0] - - return function() { - var plot = this.plot - var vbo = this.vbo - var shader = this.tickShader - var ticks = this.ticks - var gl = plot.gl - var bounds = plot._tickBounds - var dataBox = plot.dataBox - var viewBox = plot.viewBox - var pixelRatio = plot.pixelRatio - var screenBox = plot.screenBox - - var screenWidth = screenBox[2] - screenBox[0] - var screenHeight = screenBox[3] - screenBox[1] - var viewWidth = viewBox[2] - viewBox[0] - var viewHeight = viewBox[3] - viewBox[1] - - for(var i=0; i<2; ++i) { - var lo = bounds[i] - var hi = bounds[i+2] - var boundScale = hi - lo - var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) - var dataWidth = (dataBox[i+2] - dataBox[i]) - DATA_SCALE[i] = 2.0 * boundScale / dataWidth - DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth - } - - DATA_SCALE[0] *= viewWidth / screenWidth - DATA_SHIFT[0] *= viewWidth / screenWidth - - DATA_SCALE[1] *= viewHeight / screenHeight - DATA_SHIFT[1] *= viewHeight / screenHeight - - shader.bind() - vbo.bind() - - shader.attributes.dataCoord.pointer() - - var uniforms = shader.uniforms - uniforms.dataShift = DATA_SHIFT - uniforms.dataScale = DATA_SCALE - - var tickMarkLength = plot.tickMarkLength - var tickMarkWidth = plot.tickMarkWidth - var tickMarkColor = plot.tickMarkColor - - var xTicksOffset = 0 - var yTicksOffset = ticks[0].length * 6 - - var xStart = Math.min(bsearch.ge(ticks[0], (dataBox[0] - bounds[0]) / (bounds[2] - bounds[0]), compareTickNum), ticks[0].length) - var xEnd = Math.min(bsearch.gt(ticks[0], (dataBox[2] - bounds[0]) / (bounds[2] - bounds[0]), compareTickNum), ticks[0].length) - var xOffset = xTicksOffset + 6 * xStart - var xCount = 6 * Math.max(0, xEnd - xStart) - - var yStart = Math.min(bsearch.ge(ticks[1], (dataBox[1] - bounds[1]) / (bounds[3] - bounds[1]), compareTickNum), ticks[1].length) - var yEnd = Math.min(bsearch.gt(ticks[1], (dataBox[3] - bounds[1]) / (bounds[3] - bounds[1]), compareTickNum), ticks[1].length) - var yOffset = yTicksOffset + 6 * yStart - var yCount = 6 * Math.max(0, yEnd - yStart) - - SCR_OFFSET[0] = 2.0 * (viewBox[0] - tickMarkLength[1]) / screenWidth - 1.0 - SCR_OFFSET[1] = (viewBox[3] + viewBox[1]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkLength[1] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkWidth[1] * pixelRatio / screenHeight - - if(yCount) { - uniforms.color = tickMarkColor[1] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = Y_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, yOffset, yCount) - } - - SCR_OFFSET[0] = (viewBox[2] + viewBox[0]) / screenWidth - 1.0 - SCR_OFFSET[1] = 2.0 * (viewBox[1] - tickMarkLength[0]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkWidth[0] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkLength[0] * pixelRatio / screenHeight - - if(xCount) { - uniforms.color = tickMarkColor[0] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = X_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, xOffset, xCount) - } - - SCR_OFFSET[0] = 2.0 * (viewBox[2] + tickMarkLength[3]) / screenWidth - 1.0 - SCR_OFFSET[1] = (viewBox[3] + viewBox[1]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkLength[3] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkWidth[3] * pixelRatio / screenHeight - - if(yCount) { - uniforms.color = tickMarkColor[3] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = Y_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, yOffset, yCount) - } - - SCR_OFFSET[0] = (viewBox[2] + viewBox[0]) / screenWidth - 1.0 - SCR_OFFSET[1] = 2.0 * (viewBox[3] + tickMarkLength[2]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkWidth[2] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkLength[2] * pixelRatio / screenHeight - - if(xCount) { - uniforms.color = tickMarkColor[2] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = X_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, xOffset, xCount) - } - } -})() - -proto.update = (function() { - var OFFSET_X = [1, 1, -1, -1, 1, -1] - var OFFSET_Y = [1, -1, 1, 1, -1, -1] - - return function(options) { - var ticks = options.ticks - var bounds = options.bounds - var data = new Float32Array(6 * 3 * (ticks[0].length + ticks[1].length)) - - var zeroLineEnable = this.plot.zeroLineEnable - - var ptr = 0 - var gridTicks = [[], []] - for(var dim=0; dim<2; ++dim) { - var localTicks = gridTicks[dim] - var axisTicks = ticks[dim] - var lo = bounds[dim] - var hi = bounds[dim+2] - for(var i=0; i tickOffset[start]) { - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = textColor[axis] - shader.uniforms.angle = textAngle[axis] - gl.drawArrays( - gl.TRIANGLES, - tickOffset[start], - tickOffset[end] - tickOffset[start]) - } - } - if(labelEnable[axis] && labelCount) { - SCREEN_OFFSET[axis^1] -= screenScale * pixelRatio * labelPad[axis] - shader.uniforms.dataAxis = ZERO_2 - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = labelColor[axis] - shader.uniforms.angle = labelAngle[axis] - gl.drawArrays( - gl.TRIANGLES, - labelOffset, - labelCount) - } - - SCREEN_OFFSET[axis^1] = screenScale * viewBox[2+(axis^1)] - 1.0 - if(tickEnable[axis+2]) { - SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * tickPad[axis+2] - if(start < end && tickOffset[end] > tickOffset[start]) { - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = textColor[axis+2] - shader.uniforms.angle = textAngle[axis+2] - gl.drawArrays( - gl.TRIANGLES, - tickOffset[start], - tickOffset[end] - tickOffset[start]) - } - } - if(labelEnable[axis+2] && labelCount) { - SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * labelPad[axis+2] - shader.uniforms.dataAxis = ZERO_2 - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = labelColor[axis+2] - shader.uniforms.angle = labelAngle[axis+2] - gl.drawArrays( - gl.TRIANGLES, - labelOffset, - labelCount) - } - - } -})() - -proto.drawTitle = (function() { - var DATA_AXIS = [0,0] - var SCREEN_OFFSET = [0,0] - - return function() { - var plot = this.plot - var shader = this.shader - var gl = plot.gl - var screenBox = plot.screenBox - var titleCenter = plot.titleCenter - var titleAngle = plot.titleAngle - var titleColor = plot.titleColor - var pixelRatio = plot.pixelRatio - - if(!this.titleCount) { - return - } - - for(var i=0; i<2; ++i) { - SCREEN_OFFSET[i] = 2.0 * (titleCenter[i]*pixelRatio - screenBox[i]) / - (screenBox[2+i] - screenBox[i]) - 1 - } - - shader.bind() - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.angle = titleAngle - shader.uniforms.color = titleColor - - gl.drawArrays(gl.TRIANGLES, this.titleOffset, this.titleCount) - } -})() - -proto.bind = (function() { - var DATA_SHIFT = [0,0] - var DATA_SCALE = [0,0] - var TEXT_SCALE = [0,0] - - return function() { - var plot = this.plot - var shader = this.shader - var bounds = plot._tickBounds - var dataBox = plot.dataBox - var screenBox = plot.screenBox - var viewBox = plot.viewBox - - shader.bind() - - //Set up coordinate scaling uniforms - for(var i=0; i<2; ++i) { - - var lo = bounds[i] - var hi = bounds[i+2] - var boundScale = hi - lo - var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) - var dataWidth = (dataBox[i+2] - dataBox[i]) - - var viewLo = viewBox[i] - var viewHi = viewBox[i+2] - var viewScale = viewHi - viewLo - var screenLo = screenBox[i] - var screenHi = screenBox[i+2] - var screenScale = screenHi - screenLo - - DATA_SCALE[i] = 2.0 * boundScale / dataWidth * viewScale / screenScale - DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth * viewScale / screenScale - } - - TEXT_SCALE[1] = 2.0 * plot.pixelRatio / (screenBox[3] - screenBox[1]) - TEXT_SCALE[0] = TEXT_SCALE[1] * (screenBox[3] - screenBox[1]) / (screenBox[2] - screenBox[0]) - - shader.uniforms.dataScale = DATA_SCALE - shader.uniforms.dataShift = DATA_SHIFT - shader.uniforms.textScale = TEXT_SCALE - - //Set attributes - this.vbo.bind() - shader.attributes.textCoordinate.pointer() - } -})() - -proto.update = function(options) { - var vertices = [] - var axesTicks = options.ticks - var bounds = options.bounds - var i, j, k, data, scale, dimension - - for(dimension=0; dimension<2; ++dimension) { - var offsets = [Math.floor(vertices.length/3)], tickX = [-Infinity] - - //Copy vertices over to buffer - var ticks = axesTicks[dimension] - for(i=0; i tickOffset[start]) { + shader.uniforms.dataAxis = DATA_AXIS + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = textColor[axis] + shader.uniforms.angle = textAngle[axis] + gl.drawArrays( + gl.TRIANGLES, + tickOffset[start], + tickOffset[end] - tickOffset[start]) + } + } + if(labelEnable[axis] && labelCount) { + SCREEN_OFFSET[axis^1] -= screenScale * pixelRatio * labelPad[axis] + shader.uniforms.dataAxis = ZERO_2 + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = labelColor[axis] + shader.uniforms.angle = labelAngle[axis] + gl.drawArrays( + gl.TRIANGLES, + labelOffset, + labelCount) + } + + SCREEN_OFFSET[axis^1] = screenScale * viewBox[2+(axis^1)] - 1.0 + if(tickEnable[axis+2]) { + SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * tickPad[axis+2] + if(start < end && tickOffset[end] > tickOffset[start]) { + shader.uniforms.dataAxis = DATA_AXIS + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = textColor[axis+2] + shader.uniforms.angle = textAngle[axis+2] + gl.drawArrays( + gl.TRIANGLES, + tickOffset[start], + tickOffset[end] - tickOffset[start]) + } + } + if(labelEnable[axis+2] && labelCount) { + SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * labelPad[axis+2] + shader.uniforms.dataAxis = ZERO_2 + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = labelColor[axis+2] + shader.uniforms.angle = labelAngle[axis+2] + gl.drawArrays( + gl.TRIANGLES, + labelOffset, + labelCount) + } + + } +})() + +proto.drawTitle = (function() { + var DATA_AXIS = [0,0] + var SCREEN_OFFSET = [0,0] + + return function() { + var plot = this.plot + var shader = this.shader + var gl = plot.gl + var screenBox = plot.screenBox + var titleCenter = plot.titleCenter + var titleAngle = plot.titleAngle + var titleColor = plot.titleColor + var pixelRatio = plot.pixelRatio + + if(!this.titleCount) { + return + } + + for(var i=0; i<2; ++i) { + SCREEN_OFFSET[i] = 2.0 * (titleCenter[i]*pixelRatio - screenBox[i]) / + (screenBox[2+i] - screenBox[i]) - 1 + } + + shader.bind() + shader.uniforms.dataAxis = DATA_AXIS + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.angle = titleAngle + shader.uniforms.color = titleColor + + gl.drawArrays(gl.TRIANGLES, this.titleOffset, this.titleCount) + } +})() + +proto.bind = (function() { + var DATA_SHIFT = [0,0] + var DATA_SCALE = [0,0] + var TEXT_SCALE = [0,0] + + return function() { + var plot = this.plot + var shader = this.shader + var bounds = plot._tickBounds + var dataBox = plot.dataBox + var screenBox = plot.screenBox + var viewBox = plot.viewBox + + shader.bind() + + //Set up coordinate scaling uniforms + for(var i=0; i<2; ++i) { + + var lo = bounds[i] + var hi = bounds[i+2] + var boundScale = hi - lo + var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) + var dataWidth = (dataBox[i+2] - dataBox[i]) + + var viewLo = viewBox[i] + var viewHi = viewBox[i+2] + var viewScale = viewHi - viewLo + var screenLo = screenBox[i] + var screenHi = screenBox[i+2] + var screenScale = screenHi - screenLo + + DATA_SCALE[i] = 2.0 * boundScale / dataWidth * viewScale / screenScale + DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth * viewScale / screenScale + } + + TEXT_SCALE[1] = 2.0 * plot.pixelRatio / (screenBox[3] - screenBox[1]) + TEXT_SCALE[0] = TEXT_SCALE[1] * (screenBox[3] - screenBox[1]) / (screenBox[2] - screenBox[0]) + + shader.uniforms.dataScale = DATA_SCALE + shader.uniforms.dataShift = DATA_SHIFT + shader.uniforms.textScale = TEXT_SCALE + + //Set attributes + this.vbo.bind() + shader.attributes.textCoordinate.pointer() + } +})() + +proto.update = function(options) { + var vertices = [] + var axesTicks = options.ticks + var bounds = options.bounds + var i, j, k, data, scale, dimension + + for(dimension=0; dimension<2; ++dimension) { + var offsets = [Math.floor(vertices.length/3)], tickX = [-Infinity] + + //Copy vertices over to buffer + var ticks = axesTicks[dimension] + for(i=0; i= 0)) { - continue - } - - var zeroIntercept = screenBox[i] - - dataBox[i] * (screenBox[i+2] - screenBox[i]) / (dataBox[i+2] - dataBox[i]) - - if(i === 0) { - line.drawLine( - zeroIntercept, screenBox[1], zeroIntercept, screenBox[3], - zeroLineWidth[i], - zeroLineColor[i]) - } else { - line.drawLine( - screenBox[0], zeroIntercept, screenBox[2], zeroIntercept, - zeroLineWidth[i], - zeroLineColor[i]) - } - } - } - - //Draw traces - for(var i=0; i=0; --i) { - this.objects[i].dispose() - } - this.objects.length = 0 - for(var i=this.overlays.length-1; i>=0; --i) { - this.overlays[i].dispose() - } - this.overlays.length = 0 - - this.gl = null -} - -proto.addObject = function(object) { - if(this.objects.indexOf(object) < 0) { - this.objects.push(object) - this.setDirty() - } -} - -proto.removeObject = function(object) { - var objects = this.objects - for(var i=0; i 0) { - var base = Math.round(Math.pow(10, y)) - return Math.ceil(x/base) * base - } - return Math.ceil(x) -} - -function defaultBool(x) { - if(typeof x === 'boolean') { - return x - } - return true -} - -function createScene(options) { - options = options || {} - - var stopped = false - - var pixelRatio = options.pixelRatio || parseFloat(window.devicePixelRatio) - - var canvas = options.canvas - if(!canvas) { - canvas = document.createElement('canvas') - if(options.container) { - var container = options.container - container.appendChild(canvas) - } else { - document.body.appendChild(canvas) - } - } - - var gl = options.gl - if(!gl) { - gl = getContext(canvas, - options.glOptions || { - premultipliedAlpha: true, - antialias: true - }) - } - if(!gl) { - throw new Error('webgl not supported') - } - - //Initial bounds - var bounds = options.bounds || [[-10,-10,-10], [10,10,10]] - - //Create selection - var selection = new MouseSelect() - - //Accumulation buffer - var accumBuffer = createFBO(gl, - [gl.drawingBufferWidth, gl.drawingBufferHeight], { - preferFloat: !isMobile - }) - - var accumShader = createShader(gl) - - //Create a camera - var cameraOptions = options.camera || { - eye: [2,0,0], - center: [0,0,0], - up: [0,1,0], - zoomMin: 0.1, - zoomMax: 100, - mode: 'turntable' - } - - //Create axes - var axesOptions = options.axes || {} - var axes = createAxes(gl, axesOptions) - axes.enable = !axesOptions.disable - - //Create spikes - var spikeOptions = options.spikes || {} - var spikes = createSpikes(gl, spikeOptions) - - //Object list is empty initially - var objects = [] - var pickBufferIds = [] - var pickBufferCount = [] - var pickBuffers = [] - - //Dirty flag, skip redraw if scene static - var dirty = true - var pickDirty = true - - var projection = new Array(16) - var model = new Array(16) - - var cameraParams = { - view: null, - projection: projection, - model: model - } - - var pickDirty = true - - var viewShape = [ gl.drawingBufferWidth, gl.drawingBufferHeight ] - - //Create scene object - var scene = { - gl: gl, - contextLost: false, - pixelRatio: options.pixelRatio || parseFloat(window.devicePixelRatio), - canvas: canvas, - selection: selection, - camera: createCamera(canvas, cameraOptions), - axes: axes, - axesPixels: null, - spikes: spikes, - bounds: bounds, - objects: objects, - shape: viewShape, - aspect: options.aspectRatio || [1,1,1], - pickRadius: options.pickRadius || 10, - zNear: options.zNear || 0.01, - zFar: options.zFar || 1000, - fovy: options.fovy || Math.PI/4, - clearColor: options.clearColor || [0,0,0,0], - autoResize: defaultBool(options.autoResize), - autoBounds: defaultBool(options.autoBounds), - autoScale: !!options.autoScale, - autoCenter: defaultBool(options.autoCenter), - clipToBounds: defaultBool(options.clipToBounds), - snapToData: !!options.snapToData, - onselect: options.onselect || null, - onrender: options.onrender || null, - onclick: options.onclick || null, - cameraParams: cameraParams, - oncontextloss: null, - mouseListener: null - } - - var pickShape = [ (gl.drawingBufferWidth/scene.pixelRatio)|0, (gl.drawingBufferHeight/scene.pixelRatio)|0 ] - - function resizeListener() { - if(stopped) { - return - } - if(!scene.autoResize) { - return - } - var parent = canvas.parentNode - var width = 1 - var height = 1 - if(parent && parent !== document.body) { - width = parent.clientWidth - height = parent.clientHeight - } else { - width = window.innerWidth - height = window.innerHeight - } - var nextWidth = Math.ceil(width * scene.pixelRatio)|0 - var nextHeight = Math.ceil(height * scene.pixelRatio)|0 - if(nextWidth !== canvas.width || nextHeight !== canvas.height) { - canvas.width = nextWidth - canvas.height = nextHeight - var style = canvas.style - style.position = style.position || 'absolute' - style.left = '0px' - style.top = '0px' - style.width = width + 'px' - style.height = height + 'px' - dirty = true - } - } - if(scene.autoResize) { - resizeListener() - } - window.addEventListener('resize', resizeListener) - - function reallocPickIds() { - var numObjs = objects.length - var numPick = pickBuffers.length - for(var i=0; i 0 && pickBufferCount[numPick-1] === 0) { - pickBufferCount.pop() - pickBuffers.pop().dispose() - } - } - - scene.update = function(options) { - if(stopped) { - return - } - options = options || {} - dirty = true - pickDirty = true - } - - scene.add = function(obj) { - if(stopped) { - return - } - obj.axes = axes - objects.push(obj) - pickBufferIds.push(-1) - dirty = true - pickDirty = true - reallocPickIds() - } - - scene.remove = function(obj) { - if(stopped) { - return - } - var idx = objects.indexOf(obj) - if(idx < 0) { - return - } - objects.splice(idx, 1) - pickBufferIds.pop() - dirty = true - pickDirty = true - reallocPickIds() - } - - scene.dispose = function() { - if(stopped) { - return - } - - stopped = true - - window.removeEventListener('resize', resizeListener) - canvas.removeEventListener('webglcontextlost', checkContextLoss) - scene.mouseListener.enabled = false - - if(scene.contextLost) { - return - } - - //Destroy objects - axes.dispose() - spikes.dispose() - for(var i=0; i selection.distance) { - continue - } - for(var j=0; j>> 1 - var dataStraightThrough = options.positions instanceof Float32Array - var idStraightThrough = options.idToIndex instanceof Int32Array && options.idToIndex.length >= pointCount // permit larger to help reuse + //Turn on scissor + gl.enable(gl.SCISSOR_TEST) - var data = options.positions - var packed = dataStraightThrough ? data : pool.mallocFloat32(data.length) - var packedId = idStraightThrough ? options.idToIndex : pool.mallocInt32(pointCount) + //Turn off depth buffer + gl.disable(gl.DEPTH_TEST) + gl.depthFunc(gl.LESS) + gl.depthMask(false) - if(!dataStraightThrough) { - packed.set(data) - } + //Configure premultiplied alpha blending + gl.enable(gl.BLEND) + gl.blendEquation(gl.FUNC_ADD, gl.FUNC_ADD); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); - if(!idStraightThrough) { - packed.set(data) - for(i = 0; i < pointCount; i++) { - packedId[i] = i + //Draw border + if (this.borderColor) { + gl.scissor( + screenBox[0], + screenBox[1], + screenBox[2]-screenBox[0], + screenBox[3]-screenBox[1]) + var borderColor = this.borderColor + gl.clearColor( + borderColor[0]*borderColor[3], + borderColor[1]*borderColor[3], + borderColor[2]*borderColor[3], + borderColor[3]) + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) + } + + //Draw center pane + gl.scissor( + viewPixels[0], + viewPixels[1], + viewPixels[2]-viewPixels[0], + viewPixels[3]-viewPixels[1]) + gl.viewport( + viewPixels[0], + viewPixels[1], + viewPixels[2]-viewPixels[0], + viewPixels[3]-viewPixels[1]) + var backgroundColor = this.backgroundColor + gl.clearColor( + backgroundColor[0]*backgroundColor[3], + backgroundColor[1]*backgroundColor[3], + backgroundColor[2]*backgroundColor[3], + backgroundColor[3]) + gl.clear(gl.COLOR_BUFFER_BIT) + + //Draw grid + grid.draw() + + //Draw zero lines separately + var zeroLineEnable = this.zeroLineEnable + var zeroLineColor = this.zeroLineColor + var zeroLineWidth = this.zeroLineWidth + if(zeroLineEnable[0] || zeroLineEnable[1]) { + line.bind() + for(var i=0; i<2; ++i) { + if(!zeroLineEnable[i] || + !(dataBox[i] <= 0 && dataBox[i+2] >= 0)) { + continue + } + + var zeroIntercept = screenBox[i] - + dataBox[i] * (screenBox[i+2] - screenBox[i]) / (dataBox[i+2] - dataBox[i]) + + if(i === 0) { + line.drawLine( + zeroIntercept, screenBox[1], zeroIntercept, screenBox[3], + zeroLineWidth[i], + zeroLineColor[i]) + } else { + line.drawLine( + screenBox[0], zeroIntercept, screenBox[2], zeroIntercept, + zeroLineWidth[i], + zeroLineColor[i]) + } } } - this.points = data + //Draw traces + for(var i=0; i>> 1 - var i - for(i = 0; i < length; i++) { - var x = points[i * 2] - var y = points[i * 2 + 1] - if(x >= dataBox[0] && x <= dataBox[2] && y >= dataBox[1] && y <= dataBox[3]) - visiblePointCountEstimate++ - } - return visiblePointCountEstimate -} +proto.drawPick = (function() { -proto.unifiedDraw = (function() { - var MATRIX = [1, 0, 0, - 0, 1, 0, - 0, 0, 1] - var PICK_VEC4 = [0, 0, 0, 0] -return function(pickOffset) { +return function() { + if (this.static) return; - var pick = pickOffset !== void(0) + var pickBuffer = this.pickBuffer + var gl = this.gl - var shader = pick ? this.pickShader : this.shader - var gl = this.plot.gl - var dataBox = this.plot.dataBox + this._pickTimeout = null + pickBuffer.begin() - if(this.pointCount === 0) { - return pickOffset + var pickOffset = 1 + var objects = this.objects + for(var i=0; i> 8) & 0xff) - PICK_VEC4[2] = ((pickOffset >> 16) & 0xff) - PICK_VEC4[3] = ((pickOffset >> 24) & 0xff) + var pickValue = pickResult.id + + (pickResult.value[0]<<8) + + (pickResult.value[1]<<16) + + (pickResult.value[2]<<24) - this.pickBuffer.bind() - shader.attributes.pickId.pointer(gl.UNSIGNED_BYTE) - shader.uniforms.pickOffset = PICK_VEC4 - this.pickOffset = pickOffset + var objects = this.objects + for(var i=0; i= pickOffset + pointCount) { - return null - } - var pointId = value - pickOffset - var points = this.points - return { - object: this, - pointId: pointId, - dataCoord: [points[2 * pointId], points[2 * pointId + 1] ] + var different = + dataBox[0] !== nbox[0] || + dataBox[1] !== nbox[1] || + dataBox[2] !== nbox[2] || + dataBox[3] !== nbox[3] + + if(different) { + dataBox[0] = nbox[0] + dataBox[1] = nbox[1] + dataBox[2] = nbox[2] + dataBox[3] = nbox[3] + + this.setDirty() } } -function createPointcloud2D(plot, options) { - var gl = plot.gl - var buffer = createBuffer(gl) - var pickBuffer = createBuffer(gl) - var shader = createShader(gl, SHADERS.pointVertex, SHADERS.pointFragment) - var pickShader = createShader(gl, SHADERS.pickVertex, SHADERS.pickFragment) +proto.setViewBox = function(nbox) { + var pixelRatio = this.pixelRatio + var viewBox = this.viewBox - var result = new Pointcloud2D(plot, buffer, pickBuffer, shader, pickShader) - result.update(options) + viewBox[0] = Math.round(nbox[0] * pixelRatio)|0 + viewBox[1] = Math.round(nbox[1] * pixelRatio)|0 + viewBox[2] = Math.round(nbox[2] * pixelRatio)|0 + viewBox[3] = Math.round(nbox[3] * pixelRatio)|0 - //Register with plot - plot.addObject(result) + var pickPixelRatio = this.pickPixelRatio + this.pickBuffer.shape = [ + Math.round((nbox[2] - nbox[0]) * pickPixelRatio)|0, + Math.round((nbox[3] - nbox[1]) * pickPixelRatio)|0 ] - return result + this.setDirty() } -},{"./lib/shader":227,"gl-buffer":165,"gl-shader":228,"typedarray-pool":554}],236:[function(require,module,exports){ -module.exports = slerp +proto.update = function(options) { + options = options || {} -/** - * Performs a spherical linear interpolation between two quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {quat} out - */ -function slerp (out, a, b, t) { - // benchmarks: - // http://jsperf.com/quaternion-slerp-implementations + var gl = this.gl - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = b[0], by = b[1], bz = b[2], bw = b[3] + this.pixelRatio = options.pixelRatio || 1 + + var pixelRatio = this.pixelRatio + this.pickPixelRatio = Math.max(pixelRatio, 1) + + this.setScreenBox(options.screenBox || + [0, 0, gl.drawingBufferWidth/pixelRatio, gl.drawingBufferHeight/pixelRatio]) + + var screenBox = this.screenBox + this.setViewBox(options.viewBox || + [0.125*(this.screenBox[2]-this.screenBox[0])/pixelRatio, + 0.125*(this.screenBox[3]-this.screenBox[1])/pixelRatio, + 0.875*(this.screenBox[2]-this.screenBox[0])/pixelRatio, + 0.875*(this.screenBox[3]-this.screenBox[1])/pixelRatio]) + + var viewBox = this.viewBox + var aspectRatio = (viewBox[2] - viewBox[0]) / (viewBox[3] - viewBox[1]) + this.setDataBox(options.dataBox || [-10, -10/aspectRatio, 10, 10/aspectRatio]) + + this.borderColor = options.borderColor !== false ? (options.borderColor || [0,0,0,0]).slice() : false + this.backgroundColor = (options.backgroundColor || [0,0,0,0]).slice() + + this.gridLineEnable = (options.gridLineEnable || [true,true]).slice() + this.gridLineWidth = (options.gridLineWidth || [1,1]).slice() + this.gridLineColor = deepClone(options.gridLineColor || + [[0.5,0.5,0.5,1],[0.5,0.5,0.5,1]]) + + this.zeroLineEnable = (options.zeroLineEnable || [true, true]).slice() + this.zeroLineWidth = (options.zeroLineWidth || [4, 4]).slice() + this.zeroLineColor = deepClone(options.zeroLineColor || + [[0, 0, 0, 1],[0, 0, 0, 1]]) + + this.tickMarkLength = (options.tickMarkLength || [0,0,0,0]).slice() + this.tickMarkWidth = (options.tickMarkWidth || [0,0,0,0]).slice() + this.tickMarkColor = deepClone(options.tickMarkColor || + [[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]) + + this.titleCenter = (options.titleCenter || [ + 0.5*(viewBox[0]+viewBox[2])/pixelRatio,(viewBox[3]+120)/pixelRatio]).slice() + this.titleEnable = !('titleEnable' in options) || !!options.titleEnable + this.titleAngle = options.titleAngle || 0 + this.titleColor = (options.titleColor || [0,0,0,1]).slice() + + this.labelPad = (options.labelPad || [15,15,15,15]).slice() + this.labelAngle = (options.labelAngle || + [0,Math.PI/2,0,3.0*Math.PI/2]).slice() + this.labelEnable = (options.labelEnable || [true,true,true,true]).slice() + this.labelColor = deepClone(options.labelColor || + [[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]) + + this.tickPad = (options.tickPad || [15,15,15,15]).slice() + this.tickAngle = (options.tickAngle || [0,0,0,0]).slice() + this.tickEnable = (options.tickEnable || [true,true,true,true]).slice() + this.tickColor = deepClone(options.tickColor || + [[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]) + + this.borderLineEnable = (options.borderLineEnable || + [true,true,true,true]).slice() + this.borderLineWidth = (options.borderLineWidth || [2,2,2,2]).slice() + this.borderLineColor = deepClone(options.borderLineColor || + [[0,0,0,1], + [0,0,0,1], + [0,0,0,1], + [0,0,0,1]]) + + var ticks = options.ticks || [ [], [] ] + + //Compute bounds on ticks + var bounds = this._tickBounds + bounds[0] = bounds[1] = Infinity + bounds[2] = bounds[3] = -Infinity + for(var i=0; i<2; ++i) { + var axisTicks = ticks[i].slice(0) + if(axisTicks.length === 0) { + continue + } + axisTicks.sort(compareTicks) + bounds[i] = Math.min(bounds[i], axisTicks[0].x) + bounds[i+2] = Math.max(bounds[i+2], axisTicks[axisTicks.length-1].x) + } - var omega, cosom, sinom, scale0, scale1 + //Update grid + this.grid.update({ + bounds: bounds, + ticks: ticks + }) - // calc cosine - cosom = ax * bx + ay * by + az * bz + aw * bw - // adjust signs (if necessary) - if (cosom < 0.0) { - cosom = -cosom - bx = -bx - by = -by - bz = -bz - bw = -bw - } - // calculate coefficients - if ((1.0 - cosom) > 0.000001) { - // standard case (slerp) - omega = Math.acos(cosom) - sinom = Math.sin(omega) - scale0 = Math.sin((1.0 - t) * omega) / sinom - scale1 = Math.sin(t * omega) / sinom - } else { - // "from" and "to" quaternions are very close - // ... so we can do a linear interpolation - scale0 = 1.0 - t - scale1 = t - } - // calculate final values - out[0] = scale0 * ax + scale1 * bx - out[1] = scale0 * ay + scale1 * by - out[2] = scale0 * az + scale1 * bz - out[3] = scale0 * aw + scale1 * bw + //Update text + this.text.update({ + bounds: bounds, + ticks: ticks, + labels: options.labels || ['x', 'y'], + labelSize: options.labelSize || [12,12], + labelFont: options.labelFont || ['sans-serif', 'sans-serif'], + title: options.title || '', + titleSize: options.titleSize || 18, + titleFont: options.titleFont || 'sans-serif' + }) - return out + this.static = !!options.static; + + this.setDirty() } -},{}],237:[function(require,module,exports){ -"use strict" +proto.dispose = function() { + this.box.dispose() + this.grid.dispose() + this.text.dispose() + this.line.dispose() + for(var i=this.objects.length-1; i>=0; --i) { + this.objects[i].dispose() + } + this.objects.length = 0 + for(var i=this.overlays.length-1; i>=0; --i) { + this.overlays[i].dispose() + } + this.overlays.length = 0 -var vectorizeText = require("vectorize-text") + this.gl = null +} -module.exports = getGlyph +proto.addObject = function(object) { + if(this.objects.indexOf(object) < 0) { + this.objects.push(object) + this.setDirty() + } +} -var GLYPH_CACHE = {} +proto.removeObject = function(object) { + var objects = this.objects + for(var i=0; i 0) { + var base = Math.round(Math.pow(10, y)) + return Math.ceil(x/base) * base + } + return Math.ceil(x) } -exports.createPickProject = function(gl) { - return createShader(gl, pickProject) + +function defaultBool(x) { + if(typeof x === 'boolean') { + return x + } + return true } -},{"gl-shader":243}],239:[function(require,module,exports){ -'use strict' +function createScene(options) { + options = options || {} -var createBuffer = require('gl-buffer') -var createVAO = require('gl-vao') -var pool = require('typedarray-pool') -var mat4mult = require('gl-mat4/multiply') -var shaders = require('./lib/shaders') -var getGlyph = require('./lib/glyphs') + var stopped = false -var IDENTITY = [1,0,0,0, - 0,1,0,0, - 0,0,1,0, - 0,0,0,1] + var pixelRatio = options.pixelRatio || parseFloat(window.devicePixelRatio) -module.exports = createPointCloud + var canvas = options.canvas + if(!canvas) { + canvas = document.createElement('canvas') + if(options.container) { + var container = options.container + container.appendChild(canvas) + } else { + document.body.appendChild(canvas) + } + } -function transformMat4(x, m) { - var x0 = x[0] - var x1 = x[1] - var x2 = x[2] - var x3 = x[3] - x[0] = m[0] * x0 + m[4] * x1 + m[8] * x2 + m[12] * x3 - x[1] = m[1] * x0 + m[5] * x1 + m[9] * x2 + m[13] * x3 - x[2] = m[2] * x0 + m[6] * x1 + m[10] * x2 + m[14] * x3 - x[3] = m[3] * x0 + m[7] * x1 + m[11] * x2 + m[15] * x3 - return x -} + var gl = options.gl + if(!gl) { + gl = getContext(canvas, + options.glOptions || { + premultipliedAlpha: true, + antialias: true + }) + } + if(!gl) { + throw new Error('webgl not supported') + } -function project(p, v, m, x) { - transformMat4(x, x, m) - transformMat4(x, x, v) - return transformMat4(x, x, p) -} + //Initial bounds + var bounds = options.bounds || [[-10,-10,-10], [10,10,10]] -function clampVec(v) { - var result = new Array(3) - for(var i=0; i<3; ++i) { - result[i] = Math.min(Math.max(v[i], -1e8), 1e8) + //Create selection + var selection = new MouseSelect() + + //Accumulation buffer + var accumBuffer = createFBO(gl, + [gl.drawingBufferWidth, gl.drawingBufferHeight], { + preferFloat: !isMobile + }) + + var accumShader = createShader(gl) + + //Create a camera + var cameraOptions = options.camera || { + eye: [2,0,0], + center: [0,0,0], + up: [0,1,0], + zoomMin: 0.1, + zoomMax: 100, + mode: 'turntable' + } + + //Create axes + var axesOptions = options.axes || {} + var axes = createAxes(gl, axesOptions) + axes.enable = !axesOptions.disable + + //Create spikes + var spikeOptions = options.spikes || {} + var spikes = createSpikes(gl, spikeOptions) + + //Object list is empty initially + var objects = [] + var pickBufferIds = [] + var pickBufferCount = [] + var pickBuffers = [] + + //Dirty flag, skip redraw if scene static + var dirty = true + var pickDirty = true + + var projection = new Array(16) + var model = new Array(16) + + var cameraParams = { + view: null, + projection: projection, + model: model + } + + var pickDirty = true + + var viewShape = [ gl.drawingBufferWidth, gl.drawingBufferHeight ] + + //Create scene object + var scene = { + gl: gl, + contextLost: false, + pixelRatio: options.pixelRatio || parseFloat(window.devicePixelRatio), + canvas: canvas, + selection: selection, + camera: createCamera(canvas, cameraOptions), + axes: axes, + axesPixels: null, + spikes: spikes, + bounds: bounds, + objects: objects, + shape: viewShape, + aspect: options.aspectRatio || [1,1,1], + pickRadius: options.pickRadius || 10, + zNear: options.zNear || 0.01, + zFar: options.zFar || 1000, + fovy: options.fovy || Math.PI/4, + clearColor: options.clearColor || [0,0,0,0], + autoResize: defaultBool(options.autoResize), + autoBounds: defaultBool(options.autoBounds), + autoScale: !!options.autoScale, + autoCenter: defaultBool(options.autoCenter), + clipToBounds: defaultBool(options.clipToBounds), + snapToData: !!options.snapToData, + onselect: options.onselect || null, + onrender: options.onrender || null, + onclick: options.onclick || null, + cameraParams: cameraParams, + oncontextloss: null, + mouseListener: null + } + + var pickShape = [ (gl.drawingBufferWidth/scene.pixelRatio)|0, (gl.drawingBufferHeight/scene.pixelRatio)|0 ] + + function resizeListener() { + if(stopped) { + return + } + if(!scene.autoResize) { + return + } + var parent = canvas.parentNode + var width = 1 + var height = 1 + if(parent && parent !== document.body) { + width = parent.clientWidth + height = parent.clientHeight + } else { + width = window.innerWidth + height = window.innerHeight + } + var nextWidth = Math.ceil(width * scene.pixelRatio)|0 + var nextHeight = Math.ceil(height * scene.pixelRatio)|0 + if(nextWidth !== canvas.width || nextHeight !== canvas.height) { + canvas.width = nextWidth + canvas.height = nextHeight + var style = canvas.style + style.position = style.position || 'absolute' + style.left = '0px' + style.top = '0px' + style.width = width + 'px' + style.height = height + 'px' + dirty = true + } + } + if(scene.autoResize) { + resizeListener() + } + window.addEventListener('resize', resizeListener) + + function reallocPickIds() { + var numObjs = objects.length + var numPick = pickBuffers.length + for(var i=0; i 0 && pickBufferCount[numPick-1] === 0) { + pickBufferCount.pop() + pickBuffers.pop().dispose() + } } - return result -} -function ScatterPlotPickResult(index, position) { - this.index = index - this.dataCoordinate = this.position = position -} + scene.update = function(options) { + if(stopped) { + return + } + options = options || {} + dirty = true + pickDirty = true + } -function PointCloud( - gl, - shader, - orthoShader, - projectShader, - pointBuffer, - colorBuffer, - glyphBuffer, - idBuffer, - vao, - pickPerspectiveShader, - pickOrthoShader, - pickProjectShader) { + scene.add = function(obj) { + if(stopped) { + return + } + obj.axes = axes + objects.push(obj) + pickBufferIds.push(-1) + dirty = true + pickDirty = true + reallocPickIds() + } - this.gl = gl + scene.remove = function(obj) { + if(stopped) { + return + } + var idx = objects.indexOf(obj) + if(idx < 0) { + return + } + objects.splice(idx, 1) + pickBufferIds.pop() + dirty = true + pickDirty = true + reallocPickIds() + } - this.pixelRatio = 1 + scene.dispose = function() { + if(stopped) { + return + } - this.shader = shader - this.orthoShader = orthoShader - this.projectShader = projectShader + stopped = true - this.pointBuffer = pointBuffer - this.colorBuffer = colorBuffer - this.glyphBuffer = glyphBuffer - this.idBuffer = idBuffer - this.vao = vao - this.vertexCount = 0 - this.lineVertexCount = 0 + window.removeEventListener('resize', resizeListener) + canvas.removeEventListener('webglcontextlost', checkContextLoss) + scene.mouseListener.enabled = false - this.opacity = 1.0 + if(scene.contextLost) { + return + } - this.lineWidth = 0 - this.projectScale = [2.0/3.0, 2.0/3.0, 2.0/3.0] - this.projectOpacity = [1,1,1] + //Destroy objects + axes.dispose() + spikes.dispose() + for(var i=0; i selection.distance) { + continue + } + for(var j=0; j= 1) { - return true - } - for(var i=0; i<3; ++i) { - if(this.axesProject[i] && this.projectOpacity[i] >= 1) { - return true + if(prevObj && prevObj !== selection.object) { + if(prevObj.highlight) { + prevObj.highlight(null) + } + dirty = true + } + if(selection.object) { + if(selection.object.highlight) { + selection.object.highlight(selection.data) + } + dirty = true } - } - return false -} - -var VIEW_SHAPE = [0,0] -var U_VEC = [0,0,0] -var V_VEC = [0,0,0] -var MU_VEC = [0,0,0,1] -var MV_VEC = [0,0,0,1] -var SCRATCH_MATRIX = IDENTITY.slice() -var SCRATCH_VEC = [0,0,0] -var CLIP_BOUNDS = [[0,0,0], [0,0,0]] - -function zeroVec(a) { - a[0] = a[1] = a[2] = 0 - return a -} -function augment(hg, af) { - hg[0] = af[0] - hg[1] = af[1] - hg[2] = af[2] - hg[3] = 1 - return hg -} + change = change || (selection.object !== prevObj) + if(change && scene.onselect) { + scene.onselect(selection) + } -function setComponent(out, v, i, x) { - out[0] = v[0] - out[1] = v[1] - out[2] = v[2] - out[i] = x - return out -} + if((buttons & 1) && !(prevButtons & 1) && scene.onclick) { + scene.onclick(selection) + } + prevButtons = buttons + }) -function getClipBounds(bounds) { - var result = CLIP_BOUNDS - for(var i=0; i<2; ++i) { - for(var j=0; j<3; ++j) { - result[i][j] = Math.max(Math.min(bounds[i][j], 1e8), -1e8) + function checkContextLoss() { + if(scene.contextLost) { + return true + } + if(gl.isContextLost()) { + scene.contextLost = true + scene.mouseListener.enabled = false + scene.selection.object = null + if(scene.oncontextloss) { + scene.oncontextloss() + } } } - return result -} -function drawProject(shader, points, camera, transparent, forceDraw) { - var axesProject = points.axesProject + canvas.addEventListener('webglcontextlost', checkContextLoss) - var gl = points.gl - var uniforms = shader.uniforms - var model = camera.model || IDENTITY - var view = camera.view || IDENTITY - var projection = camera.projection || IDENTITY - var bounds = points.axesBounds - var clipBounds = getClipBounds(points.clipBounds) + //Render the scene for mouse picking + function renderPick() { + if(checkContextLoss()) { + return + } - var cubeAxis - if(points.axes) { - cubeAxis = points.axes.lastCubeProps.axis - } else { - cubeAxis = [1,1,1] + gl.colorMask(true, true, true, true) + gl.depthMask(true) + gl.disable(gl.BLEND) + gl.enable(gl.DEPTH_TEST) + + var numObjs = objects.length + var numPick = pickBuffers.length + for(var j=0; j Math.abs(mdv[1])) { - var tmp = mdu - mdu = mdv - mdv = tmp - tmp = du - du = dv - dv = tmp - var t = u - u = v - v = t + //Compute camera parameters + perspective(projection, + scene.fovy, + width/height, + scene.zNear, + scene.zFar) + + //Compute model matrix + for(var i=0; i<16; ++i) { + model[i] = 0 } - if(mdu[0] < 0) { - du[u] = -1 + model[15] = 1 + + var maxS = 0 + for(var i=0; i<3; ++i) { + maxS = Math.max(maxS, bounds[1][i] - bounds[0][i]) } - if(mdv[1] > 0) { - dv[v] = -1 + + for(var i=0; i<3; ++i) { + if(scene.autoScale) { + model[5*i] = scene.aspect[i] / (bounds[1][i] - bounds[0][i]) + } else { + model[5*i] = 1 / maxS + } + if(scene.autoCenter) { + model[12+i] = -model[5*i] * 0.5 * (bounds[0][i] + bounds[1][i]) + } } - var su = 0.0 - var sv = 0.0 - for(var j=0; j<4; ++j) { - su += Math.pow(model[4*u+j], 2) - sv += Math.pow(model[4*v+j], 2) + + //Apply axes/clip bounds + for(var i=0; i 0) { - gl.lineWidth(points.lineWidth) - points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + //Call render callback + if(scene.onrender) { + scene.onrender() } - } -} + //Read value + gl.bindFramebuffer(gl.FRAMEBUFFER, null) + gl.viewport(0, 0, width, height) + + //General strategy: 3 steps + // 1. render non-transparent objects + // 2. accumulate transparent objects into separate fbo + // 3. composite final scene + + //Clear FBO + var clearColor = scene.clearColor + gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]) + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) + gl.depthMask(true) + gl.colorMask(true, true, true, true) + gl.enable(gl.DEPTH_TEST) + gl.depthFunc(gl.LEQUAL) + gl.disable(gl.BLEND) + gl.disable(gl.CULL_FACE) //most visualization surfaces are 2 sided -var NEG_INFINITY3 = [-1e8, -1e8, -1e8] -var POS_INFINITY3 = [1e8, 1e8, 1e8] -var CLIP_GROUP = [NEG_INFINITY3, POS_INFINITY3] + //Render opaque pass + var hasTransparent = false + if(axes.enable) { + hasTransparent = hasTransparent || axes.isTransparent() + axes.draw(cameraParams) + } + spikes.axes = axes + if(selection.object) { + spikes.draw(cameraParams) + } -function drawFull(shader, pshader, points, camera, transparent, forceDraw) { - var gl = points.gl + gl.disable(gl.CULL_FACE) //most visualization surfaces are 2 sided - points.vao.bind() + for(var i=0; i 0) { - gl.lineWidth(points.lineWidth) - points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + //Clear dirty flags + dirty = false + for(var i=0; i= this.pointCount || x < 0) { - return null - } - //Unpack result - var coord = this.points[x] - var result = this._selectResult - result.index = x - for(var i=0; i<3; ++i) { - result.position[i] = result.dataCoordinate[i] = coord[i] - } - return result +exports.pointVertex = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\n\nuniform mat3 matrix;\nuniform float pointSize;\nuniform float pointCloud;\n\nhighp float rand(vec2 co) {\n highp float a = 12.9898;\n highp float b = 78.233;\n highp float c = 43758.5453;\n highp float d = dot(co.xy, vec2(a, b));\n highp float e = mod(d, 3.14);\n return fract(sin(e) * c);\n}\n\nvoid main() {\n vec3 hgPosition = matrix * vec3(position, 1);\n gl_Position = vec4(hgPosition.xy, 0, hgPosition.z);\n // if we don't jitter the point size a bit, overall point cloud\n // saturation 'jumps' on zooming, which is disturbing and confusing\n gl_PointSize = pointSize * ((19.5 + rand(position)) / 20.0);\n if(pointCloud != 0.0) { // pointCloud is truthy\n // get the same square surface as circle would be\n gl_PointSize *= 0.886;\n }\n}" +exports.pointFragment = "precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color, borderColor;\nuniform float centerFraction;\nuniform float pointCloud;\n\nvoid main() {\n float radius;\n vec4 baseColor;\n if(pointCloud != 0.0) { // pointCloud is truthy\n if(centerFraction == 1.0) {\n gl_FragColor = color;\n } else {\n gl_FragColor = mix(borderColor, color, centerFraction);\n }\n } else {\n radius = length(2.0 * gl_PointCoord.xy - 1.0);\n if(radius > 1.0) {\n discard;\n }\n baseColor = mix(borderColor, color, step(radius, centerFraction));\n gl_FragColor = vec4(baseColor.rgb * baseColor.a, baseColor.a);\n }\n}\n" +exports.pickVertex = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 pickId;\n\nuniform mat3 matrix;\nuniform float pointSize;\nuniform vec4 pickOffset;\n\nvarying vec4 fragId;\n\nvoid main() {\n vec3 hgPosition = matrix * vec3(position, 1);\n gl_Position = vec4(hgPosition.xy, 0, hgPosition.z);\n gl_PointSize = pointSize;\n\n vec4 id = pickId + pickOffset;\n id.y += floor(id.x / 256.0);\n id.x -= floor(id.x / 256.0) * 256.0;\n\n id.z += floor(id.y / 256.0);\n id.y -= floor(id.y / 256.0) * 256.0;\n\n id.w += floor(id.z / 256.0);\n id.z -= floor(id.z / 256.0) * 256.0;\n\n fragId = id;\n}\n" +exports.pickFragment = "precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragId;\n\nvoid main() {\n float radius = length(2.0 * gl_PointCoord.xy - 1.0);\n if(radius > 1.0) {\n discard;\n }\n gl_FragColor = fragId / 255.0;\n}\n" + +},{}],228:[function(require,module,exports){ +arguments[4][217][0].apply(exports,arguments) +},{"./lib/GLError":229,"./lib/create-attributes":230,"./lib/create-uniforms":231,"./lib/reflect":232,"./lib/runtime-reflect":233,"./lib/shader-cache":234,"dup":217}],229:[function(require,module,exports){ +arguments[4][218][0].apply(exports,arguments) +},{"dup":218}],230:[function(require,module,exports){ +arguments[4][219][0].apply(exports,arguments) +},{"./GLError":229,"dup":219}],231:[function(require,module,exports){ +arguments[4][220][0].apply(exports,arguments) +},{"./GLError":229,"./reflect":232,"dup":220}],232:[function(require,module,exports){ +arguments[4][221][0].apply(exports,arguments) +},{"dup":221}],233:[function(require,module,exports){ +arguments[4][222][0].apply(exports,arguments) +},{"dup":222}],234:[function(require,module,exports){ +arguments[4][223][0].apply(exports,arguments) +},{"./GLError":229,"dup":223,"gl-format-compiler-error":172,"weakmap-shim":576}],235:[function(require,module,exports){ +'use strict' + +var createShader = require('gl-shader') +var createBuffer = require('gl-buffer') + +var pool = require('typedarray-pool') + +var SHADERS = require('./lib/shader') + +module.exports = createPointcloud2D + +function Pointcloud2D(plot, offsetBuffer, pickBuffer, shader, pickShader) { + this.plot = plot + this.offsetBuffer = offsetBuffer + this.pickBuffer = pickBuffer + this.shader = shader + this.pickShader = pickShader + this.sizeMin = 0.5 + this.sizeMinCap = 2 + this.sizeMax = 20 + this.areaRatio = 1.0 + this.pointCount = 0 + this.color = [1, 0, 0, 1] + this.borderColor = [0, 0, 0, 1] + this.blend = false + this.pickOffset = 0 + this.points = null } -proto.highlight = function(selection) { - if(!selection) { - this.highlightId = [1,1,1,1] - } else { - var pointId = selection.index - var a0 = pointId &0xff - var a1 = (pointId>>8) &0xff - var a2 = (pointId>>16)&0xff - this.highlightId = [a0/255.0, a1/255.0, a2/255.0, 0] - } +var proto = Pointcloud2D.prototype + +proto.dispose = function() { + this.shader.dispose() + this.pickShader.dispose() + this.offsetBuffer.dispose() + this.pickBuffer.dispose() + this.plot.removeObject(this) } proto.update = function(options) { + var i + options = options || {} - if('perspective' in options) { - this.useOrtho = !options.perspective - } - if('orthographic' in options) { - this.useOrtho = !!options.orthographic - } - if('lineWidth' in options) { - this.lineWidth = options.lineWidth - } - if('project' in options) { - if(Array.isArray(options.project)) { - this.axesProject = options.project - } else { - var v = !!options.project - this.axesProject = [v,v,v] - } - } - if('projectScale' in options) { - if(Array.isArray(options.projectScale)) { - this.projectScale = options.projectScale.slice() - } else { - var s = +options.projectScale - this.projectScale = [s,s,s] - } - } - if('projectOpacity' in options) { - if(Array.isArray(options.projectOpacity)) { - this.projectOpacity = options.projectOpacity.slice() - } else { - var s = +options.projectOpacity - this.projectOpacity = [s,s,s] + function dflt(opt, value) { + if(opt in options) { + return options[opt] } + return value } - if('opacity' in options) { - this.opacity = options.opacity - } - - //Set dirty flag - this.dirty = true - //Create new buffers - var points = options.position - if(!points) { - return - } + this.sizeMin = dflt('sizeMin', 0.5) + this.sizeMax = dflt('sizeMax', 20) + this.color = dflt('color', [1, 0, 0, 1]).slice() + this.areaRatio = dflt('areaRatio', 1) + this.borderColor = dflt('borderColor', [0, 0, 0, 1]).slice() + this.blend = dflt('blend', false) - //Text font - var font = options.font || 'normal' - var alignment = options.alignment || [0,0] + //Update point data - //Bounds - var lowerBound = [ Infinity, Infinity, Infinity] - var upperBound = [-Infinity,-Infinity,-Infinity] + // Attempt straight-through processing (STP) to avoid allocation and copy + // TODO eventually abstract out STP logic, maybe into `pool` or a layer above + var pointCount = options.positions.length >>> 1 + var dataStraightThrough = options.positions instanceof Float32Array + var idStraightThrough = options.idToIndex instanceof Int32Array && options.idToIndex.length >= pointCount // permit larger to help reuse - //Unpack options - var glyphs = options.glyph - var colors = options.color - var sizes = options.size - var angles = options.angle - var lineColors = options.lineColor + var data = options.positions + var packed = dataStraightThrough ? data : pool.mallocFloat32(data.length) + var packedId = idStraightThrough ? options.idToIndex : pool.mallocInt32(pointCount) - //Picking geometry - var pickCounter = 0 + if(!dataStraightThrough) { + packed.set(data) + } - //First do pass to compute buffer sizes - var triVertexCount = 0 - var lineVertexCount = 0 + if(!idStraightThrough) { + packed.set(data) + for(i = 0; i < pointCount; i++) { + packedId[i] = i + } + } - //Count number of points and buffer size - var numPoints = points.length + this.points = data -count_loop: - for(var i=0; i>> 1 + var i + for(i = 0; i < length; i++) { + var x = points[i * 2] + var y = points[i * 2 + 1] + if(x >= dataBox[0] && x <= dataBox[2] && y >= dataBox[1] && y <= dataBox[3]) + visiblePointCountEstimate++ + } + return visiblePointCountEstimate +} - var textOffset = [0,alignment[1]] +proto.unifiedDraw = (function() { + var MATRIX = [1, 0, 0, + 0, 1, 0, + 0, 0, 1] + var PICK_VEC4 = [0, 0, 0, 0] +return function(pickOffset) { - var triOffset = 0 - var lineOffset = triVertexCount - var color = [0,0,0,1] - var lineColor = [0,0,0,1] + var pick = pickOffset !== void(0) - var isColorArray = Array.isArray(colors) && Array.isArray(colors[0]) - var isLineColorArray = Array.isArray(lineColors) && Array.isArray(lineColors[0]) + var shader = pick ? this.pickShader : this.shader + var gl = this.plot.gl + var dataBox = this.plot.dataBox -fill_loop: - for(var i=0; i> 8) & 0xff) + PICK_VEC4[2] = ((pickOffset >> 16) & 0xff) + PICK_VEC4[3] = ((pickOffset >> 24) & 0xff) - //Loop through markers and append to buffers - var cos = Math.cos(angle) - var sin = Math.sin(angle) + this.pickBuffer.bind() + shader.attributes.pickId.pointer(gl.UNSIGNED_BYTE) + shader.uniforms.pickOffset = PICK_VEC4 + this.pickOffset = pickOffset + } - var x = points[i] - for(var j=0; j<3; ++j) { - upperBound[j] = Math.max(upperBound[j], x[j]) - lowerBound[j] = Math.min(lowerBound[j], x[j]) - } + // Worth switching these off, but we can't make assumptions about other + // renderers, so let's restore it after each draw + var blend = gl.getParameter(gl.BLEND) + var dither = gl.getParameter(gl.DITHER) - //Calculate text offset - if(alignment[0] < 0) { - textOffset[0] = alignment[0] * (1+glyphBounds[1][0]) - } else if(alignment[0] > 0) { - textOffset[0] = -alignment[0] * (1+glyphBounds[0][0]) - } + if(blend && !this.blend) + gl.disable(gl.BLEND) + if(dither) + gl.disable(gl.DITHER) - //Write out inner marker - var cells = glyphMesh.cells - var verts = glyphMesh.positions + gl.drawArrays(gl.POINTS, 0, this.pointCount) - for(var j=0; j= pickOffset + pointCount) { + return null } + var pointId = value - pickOffset + var points = this.points + return { + object: this, + pointId: pointId, + dataCoord: [points[2 * pointId], points[2 * pointId + 1] ] + } +} +function createPointcloud2D(plot, options) { + var gl = plot.gl + var buffer = createBuffer(gl) + var pickBuffer = createBuffer(gl) + var shader = createShader(gl, SHADERS.pointVertex, SHADERS.pointFragment) + var pickShader = createShader(gl, SHADERS.pickVertex, SHADERS.pickFragment) - //Update vertex counts - this.vertexCount = triVertexCount - this.lineVertexCount = lineVertexCount - - //Update buffers - this.pointBuffer.update(positionArray) - this.colorBuffer.update(colorArray) - this.glyphBuffer.update(glyphArray) - this.idBuffer.update(new Uint32Array(idArray)) - - pool.free(positionArray) - pool.free(colorArray) - pool.free(glyphArray) - pool.free(idArray) - - //Update bounds - this.bounds = [lowerBound, upperBound] + var result = new Pointcloud2D(plot, buffer, pickBuffer, shader, pickShader) + result.update(options) - //Save points - this.points = points + //Register with plot + plot.addObject(result) - //Save number of points - this.pointCount = points.length + return result } -proto.dispose = function() { - //Shaders - this.shader.dispose() - this.orthoShader.dispose() - this.pickPerspectiveShader.dispose() - this.pickOrthoShader.dispose() +},{"./lib/shader":227,"gl-buffer":165,"gl-shader":228,"typedarray-pool":554}],236:[function(require,module,exports){ +module.exports = slerp - //Vertex array - this.vao.dispose() +/** + * Performs a spherical linear interpolation between two quat + * + * @param {quat} out the receiving quaternion + * @param {quat} a the first operand + * @param {quat} b the second operand + * @param {Number} t interpolation amount between the two inputs + * @returns {quat} out + */ +function slerp (out, a, b, t) { + // benchmarks: + // http://jsperf.com/quaternion-slerp-implementations - //Buffers - this.pointBuffer.dispose() - this.colorBuffer.dispose() - this.glyphBuffer.dispose() - this.idBuffer.dispose() -} + var ax = a[0], ay = a[1], az = a[2], aw = a[3], + bx = b[0], by = b[1], bz = b[2], bw = b[3] -function createPointCloud(options) { - var gl = options.gl + var omega, cosom, sinom, scale0, scale1 - var shader = shaders.createPerspective(gl) - var orthoShader = shaders.createOrtho(gl) - var projectShader = shaders.createProject(gl) - var pickPerspectiveShader = shaders.createPickPerspective(gl) - var pickOrthoShader = shaders.createPickOrtho(gl) - var pickProjectShader = shaders.createPickProject(gl) - - var pointBuffer = createBuffer(gl) - var colorBuffer = createBuffer(gl) - var glyphBuffer = createBuffer(gl) - var idBuffer = createBuffer(gl) - var vao = createVAO(gl, [ - { - buffer: pointBuffer, - size: 3, - type: gl.FLOAT - }, - { - buffer: colorBuffer, - size: 4, - type: gl.FLOAT - }, - { - buffer: glyphBuffer, - size: 2, - type: gl.FLOAT - }, - { - buffer: idBuffer, - size: 4, - type: gl.UNSIGNED_BYTE, - normalized: true - } - ]) - - var pointCloud = new PointCloud( - gl, - shader, - orthoShader, - projectShader, - pointBuffer, - colorBuffer, - glyphBuffer, - idBuffer, - vao, - pickPerspectiveShader, - pickOrthoShader, - pickProjectShader) - - pointCloud.update(options) + // calc cosine + cosom = ax * bx + ay * by + az * bz + aw * bw + // adjust signs (if necessary) + if (cosom < 0.0) { + cosom = -cosom + bx = -bx + by = -by + bz = -bz + bw = -bw + } + // calculate coefficients + if ((1.0 - cosom) > 0.000001) { + // standard case (slerp) + omega = Math.acos(cosom) + sinom = Math.sin(omega) + scale0 = Math.sin((1.0 - t) * omega) / sinom + scale1 = Math.sin(t * omega) / sinom + } else { + // "from" and "to" quaternions are very close + // ... so we can do a linear interpolation + scale0 = 1.0 - t + scale1 = t + } + // calculate final values + out[0] = scale0 * ax + scale1 * bx + out[1] = scale0 * ay + scale1 * by + out[2] = scale0 * az + scale1 * bz + out[3] = scale0 * aw + scale1 * bw - return pointCloud + return out } -},{"./lib/glyphs":237,"./lib/shaders":238,"gl-buffer":165,"gl-mat4/multiply":188,"gl-vao":259,"typedarray-pool":554}],240:[function(require,module,exports){ -'use strict' +},{}],237:[function(require,module,exports){ +"use strict" +var vectorizeText = require("vectorize-text") +module.exports = getGlyph -exports.boxVertex = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 vertex;\n\nuniform vec2 cornerA, cornerB;\n\nvoid main() {\n gl_Position = vec4(mix(cornerA, cornerB, vertex), 0, 1);\n}\n" -exports.boxFragment = "precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color;\n\nvoid main() {\n gl_FragColor = color;\n}\n" +var GLYPH_CACHE = {} -},{}],241:[function(require,module,exports){ -'use strict' +function getGlyph(symbol, font) { + var fontCache = GLYPH_CACHE[font] + if(!fontCache) { + fontCache = GLYPH_CACHE[font] = {} + } + if(symbol in fontCache) { + return fontCache[symbol] + } -var createShader = require('gl-shader') -var createBuffer = require('gl-buffer') + //Get line and triangle meshes for glyph + var lineSymbol = vectorizeText(symbol, { + textAlign: "center", + textBaseline: "middle", + lineHeight: 1.0, + font: font + }) + var triSymbol = vectorizeText(symbol, { + triangles: true, + textAlign: "center", + textBaseline: "middle", + lineHeight: 1.0, + font: font + }) -var SHADERS = require('./lib/shaders') + //Calculate bounding box + var bounds = [[Infinity,Infinity], [-Infinity,-Infinity]] + for(var i=0; i 0) { + this.pixelRatio = 1 - //Draw border - var w = lineWidth * pixelRatio - boxes.drawBox(loX-w, loY-w, hiX+w, loY+w, borderColor) - boxes.drawBox(loX-w, hiY-w, hiX+w, hiY+w, borderColor) - boxes.drawBox(loX-w, loY-w, loX+w, hiY+w, borderColor) - boxes.drawBox(hiX-w, loY-w, hiX+w, hiY+w, borderColor) - } -} + this.shader = shader + this.orthoShader = orthoShader + this.projectShader = projectShader -proto.update = function(options) { - options = options || {} + this.pointBuffer = pointBuffer + this.colorBuffer = colorBuffer + this.glyphBuffer = glyphBuffer + this.idBuffer = idBuffer + this.vao = vao + this.vertexCount = 0 + this.lineVertexCount = 0 - this.innerFill = !!options.innerFill - this.outerFill = !!options.outerFill - this.innerColor = (options.innerColor || [0,0,0,0.5]).slice() - this.outerColor = (options.outerColor || [0,0,0,0.5]).slice() - this.borderColor = (options.borderColor || [0,0,0,1]).slice() - this.borderWidth = options.borderWidth || 0 - this.selectBox = (options.selectBox || this.selectBox).slice() -} + this.opacity = 1.0 -proto.dispose = function() { - this.boxBuffer.dispose() - this.boxShader.dispose() - this.plot.removeOverlay(this) -} + this.lineWidth = 0 + this.projectScale = [2.0/3.0, 2.0/3.0, 2.0/3.0] + this.projectOpacity = [1,1,1] -function createSelectBox(plot, options) { - var gl = plot.gl - var buffer = createBuffer(gl, [ - 0, 0, - 0, 1, - 1, 0, - 1, 1 ]) - var shader = createShader(gl, SHADERS.boxVertex, SHADERS.boxFragment) - var selectBox = new SelectBox(plot, buffer, shader) - selectBox.update(options) - plot.addOverlay(selectBox) - return selectBox -} + this.pickId = 0 + this.pickPerspectiveShader = pickPerspectiveShader + this.pickOrthoShader = pickOrthoShader + this.pickProjectShader = pickProjectShader + this.points = [] -},{"./lib/shaders":240,"gl-buffer":165,"gl-shader":243}],242:[function(require,module,exports){ -'use strict' + this._selectResult = new ScatterPlotPickResult(0, [0,0,0]) -module.exports = createSelectBuffer + this.useOrtho = true + this.bounds = [[ Infinity,Infinity,Infinity], + [-Infinity,-Infinity,-Infinity]] -var createFBO = require('gl-fbo') -var pool = require('typedarray-pool') -var ndarray = require('ndarray') + //Axes projections + this.axesProject = [ true, true, true ] + this.axesBounds = [[-Infinity,-Infinity,-Infinity], + [ Infinity, Infinity, Infinity]] -var nextPow2 = require('bit-twiddle').nextPow2 + this.highlightId = [1,1,1,1] + this.highlightScale = 2 -var selectRange = require('cwise/lib/wrapper')({"args":["array",{"offset":[0,0,1],"array":0},{"offset":[0,0,2],"array":0},{"offset":[0,0,3],"array":0},"scalar","scalar","index"],"pre":{"body":"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}","args":[],"thisVars":["this_closestD2","this_closestX","this_closestY"],"localVars":[]},"body":{"body":"{if(_inline_49_arg0_<255||_inline_49_arg1_<255||_inline_49_arg2_<255||_inline_49_arg3_<255){var _inline_49_l=_inline_49_arg4_-_inline_49_arg6_[0],_inline_49_a=_inline_49_arg5_-_inline_49_arg6_[1],_inline_49_f=_inline_49_l*_inline_49_l+_inline_49_a*_inline_49_a;_inline_49_f this.buffer.length) { - pool.free(this.buffer) - var buffer = this.buffer = pool.mallocUint8(nextPow2(r*c*4)) - for(var i=0; i= 1) { + return true + } + for(var i=0; i<3; ++i) { + if(this.axesProject[i] && this.projectOpacity[i] >= 1) { + return true } - return v } -}) + return false +} -proto.begin = function() { - var gl = this.gl - var shape = this.shape - if(!gl) { - return - } +var VIEW_SHAPE = [0,0] +var U_VEC = [0,0,0] +var V_VEC = [0,0,0] +var MU_VEC = [0,0,0,1] +var MV_VEC = [0,0,0,1] +var SCRATCH_MATRIX = IDENTITY.slice() +var SCRATCH_VEC = [0,0,0] +var CLIP_BOUNDS = [[0,0,0], [0,0,0]] - this.fbo.bind() - gl.clearColor(1,1,1,1) - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) +function zeroVec(a) { + a[0] = a[1] = a[2] = 0 + return a } -proto.end = function() { - var gl = this.gl - if(!gl) { - return - } - gl.bindFramebuffer(gl.FRAMEBUFFER, null) - if(!this._readTimeout) { - clearTimeout(this._readTimeout) - } - this._readTimeout = setTimeout(this._readCallback, 1) +function augment(hg, af) { + hg[0] = af[0] + hg[1] = af[1] + hg[2] = af[2] + hg[3] = 1 + return hg } -proto.query = function(x, y, radius) { - if(!this.gl) { - return null - } - - var shape = this.fbo.shape.slice() +function setComponent(out, v, i, x) { + out[0] = v[0] + out[1] = v[1] + out[2] = v[2] + out[i] = x + return out +} - x = x|0 - y = y|0 - if(typeof radius !== 'number') { - radius = 1.0 +function getClipBounds(bounds) { + var result = CLIP_BOUNDS + for(var i=0; i<2; ++i) { + for(var j=0; j<3; ++j) { + result[i][j] = Math.max(Math.min(bounds[i][j], 1e8), -1e8) + } } + return result +} - var x0 = Math.min(Math.max(x - radius, 0), shape[0])|0 - var x1 = Math.min(Math.max(x + radius, 0), shape[0])|0 - var y0 = Math.min(Math.max(y - radius, 0), shape[1])|0 - var y1 = Math.min(Math.max(y + radius, 0), shape[1])|0 +function drawProject(shader, points, camera, transparent, forceDraw) { + var axesProject = points.axesProject - if(x1 <= x0 || y1 <= y0) { - return null + var gl = points.gl + var uniforms = shader.uniforms + var model = camera.model || IDENTITY + var view = camera.view || IDENTITY + var projection = camera.projection || IDENTITY + var bounds = points.axesBounds + var clipBounds = getClipBounds(points.clipBounds) + + var cubeAxis + if(points.axes) { + cubeAxis = points.axes.lastCubeProps.axis + } else { + cubeAxis = [1,1,1] } - var dims = [x1-x0,y1-y0] - var region = ndarray( - this.buffer, - [dims[0], dims[1], 4], - [4, shape[0]*4, 1], - 4*(x0 + shape[0]*y0)); + VIEW_SHAPE[0] = 2.0/gl.drawingBufferWidth + VIEW_SHAPE[1] = 2.0/gl.drawingBufferHeight - var closest = selectRange(region.hi(dims[0],dims[1],1), radius, radius) - var dx = closest[0] - var dy = closest[1] - if(dx < 0 || Math.pow(this.radius, 2) < closest[2]) { - return null - } + shader.bind() + uniforms.view = view + uniforms.projection = projection + uniforms.screenSize = VIEW_SHAPE + uniforms.highlightId = points.highlightId + uniforms.highlightScale = points.highlightScale + uniforms.clipBounds = clipBounds + uniforms.pickGroup = points.pickId / 255.0 + uniforms.pixelRatio = points.pixelRatio - var c0 = region.get(dx, dy, 0) - var c1 = region.get(dx, dy, 1) - var c2 = region.get(dx, dy, 2) - var c3 = region.get(dx, dy, 3) + for(var i=0; i<3; ++i) { + if(!axesProject[i]) { + continue + } + if((points.projectOpacity[i] < 1) !== transparent) { + continue + } - return new SelectResult( - (dx + x0)|0, - (dy + y0)|0, - c0, - [c1, c2, c3], - Math.sqrt(closest[2])) -} + uniforms.scale = points.projectScale[i] + uniforms.opacity = points.projectOpacity[i] -proto.dispose = function() { - if(!this.gl) { - return - } - this.fbo.dispose() - pool.free(this.buffer) - this.gl = null - if(this._readTimeout) { - clearTimeout(this._readTimeout) + //Project model matrix + var pmodel = SCRATCH_MATRIX + for(var j=0; j<16; ++j) { + pmodel[j] = 0 + } + for(var j=0; j<4; ++j) { + pmodel[5*j] = 1 + } + pmodel[5*i] = 0 + if(cubeAxis[i] < 0) { + pmodel[12+i] = bounds[0][i] + } else { + pmodel[12+i] = bounds[1][i] + } + mat4mult(pmodel, model, pmodel) + uniforms.model = pmodel + + //Compute initial axes + var u = (i+1)%3 + var v = (i+2)%3 + var du = zeroVec(U_VEC) + var dv = zeroVec(V_VEC) + du[u] = 1 + dv[v] = 1 + + //Align orientation relative to viewer + var mdu = project(projection, view, model, augment(MU_VEC, du)) + var mdv = project(projection, view, model, augment(MV_VEC, dv)) + if(Math.abs(mdu[1]) > Math.abs(mdv[1])) { + var tmp = mdu + mdu = mdv + mdv = tmp + tmp = du + du = dv + dv = tmp + var t = u + u = v + v = t + } + if(mdu[0] < 0) { + du[u] = -1 + } + if(mdv[1] > 0) { + dv[v] = -1 + } + var su = 0.0 + var sv = 0.0 + for(var j=0; j<4; ++j) { + su += Math.pow(model[4*u+j], 2) + sv += Math.pow(model[4*v+j], 2) + } + du[u] /= Math.sqrt(su) + dv[v] /= Math.sqrt(sv) + uniforms.axes[0] = du + uniforms.axes[1] = dv + + //Update fragment clip bounds + uniforms.fragClipBounds[0] = setComponent(SCRATCH_VEC, clipBounds[0], i, -1e8) + uniforms.fragClipBounds[1] = setComponent(SCRATCH_VEC, clipBounds[1], i, 1e8) + + //Draw interior + points.vao.draw(gl.TRIANGLES, points.vertexCount) + + //Draw edges + if(points.lineWidth > 0) { + gl.lineWidth(points.lineWidth) + points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + } } } -function createSelectBuffer(gl, shape) { - var fbo = createFBO(gl, shape) - var buffer = pool.mallocUint8(shape[0]*shape[1]*4) - return new SelectBuffer(gl, fbo, buffer) -} -},{"bit-twiddle":71,"cwise/lib/wrapper":119,"gl-fbo":171,"ndarray":458,"typedarray-pool":554}],243:[function(require,module,exports){ -'use strict' +var NEG_INFINITY3 = [-1e8, -1e8, -1e8] +var POS_INFINITY3 = [1e8, 1e8, 1e8] +var CLIP_GROUP = [NEG_INFINITY3, POS_INFINITY3] -var createUniformWrapper = require('./lib/create-uniforms') -var createAttributeWrapper = require('./lib/create-attributes') -var makeReflect = require('./lib/reflect') -var shaderCache = require('./lib/shader-cache') -var runtime = require('./lib/runtime-reflect') -var GLError = require("./lib/GLError") +function drawFull(shader, pshader, points, camera, transparent, forceDraw) { + var gl = points.gl -//Shader object -function Shader(gl) { - this.gl = gl + points.vao.bind() - //Default initialize these to null - this._vref = - this._fref = - this._relink = - this.vertShader = - this.fragShader = - this.program = - this.attributes = - this.uniforms = - this.types = null -} + if(transparent === (points.opacity < 1) || forceDraw) { + shader.bind() + var uniforms = shader.uniforms -var proto = Shader.prototype + uniforms.model = camera.model || IDENTITY + uniforms.view = camera.view || IDENTITY + uniforms.projection = camera.projection || IDENTITY -proto.bind = function() { - if(!this.program) { - this._relink() + VIEW_SHAPE[0] = 2.0/gl.drawingBufferWidth + VIEW_SHAPE[1] = 2.0/gl.drawingBufferHeight + uniforms.screenSize = VIEW_SHAPE + + uniforms.highlightId = points.highlightId + uniforms.highlightScale = points.highlightScale + + uniforms.fragClipBounds = CLIP_GROUP + uniforms.clipBounds = points.axes.bounds + + uniforms.opacity = points.opacity + uniforms.pickGroup = points.pickId / 255.0 + + uniforms.pixelRatio = points.pixelRatio + + //Draw interior + points.vao.draw(gl.TRIANGLES, points.vertexCount) + + //Draw edges + if(points.lineWidth > 0) { + gl.lineWidth(points.lineWidth) + points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + } } - this.gl.useProgram(this.program) + + drawProject(pshader, points, camera, transparent, forceDraw) + + points.vao.unbind() } -proto.dispose = function() { - if(this._fref) { - this._fref.dispose() - } - if(this._vref) { - this._vref.dispose() - } - this.attributes = - this.types = - this.vertShader = - this.fragShader = - this.program = - this._relink = - this._fref = - this._vref = null +proto.draw = function(camera) { + var shader = this.useOrtho ? this.orthoShader : this.shader + drawFull(shader, this.projectShader, this, camera, false, false) } -function compareAttributes(a, b) { - if(a.name < b.name) { - return -1 - } - return 1 +proto.drawTransparent = function(camera) { + var shader = this.useOrtho ? this.orthoShader : this.shader + drawFull(shader, this.projectShader, this, camera, true, false) } -//Update export hook for glslify-live -proto.update = function( - vertSource - , fragSource - , uniforms - , attributes) { +proto.drawPick = function(camera) { + var shader = this.useOrtho ? this.pickOrthoShader : this.pickPerspectiveShader + drawFull(shader, this.pickProjectShader, this, camera, false, true) +} - //If only one object passed, assume glslify style output - if(!fragSource || arguments.length === 1) { - var obj = vertSource - vertSource = obj.vertex - fragSource = obj.fragment - uniforms = obj.uniforms - attributes = obj.attributes +proto.pick = function(selected) { + if(!selected) { + return null } - - var wrapper = this - var gl = wrapper.gl - - //Compile vertex and fragment shaders - var pvref = wrapper._vref - wrapper._vref = shaderCache.shader(gl, gl.VERTEX_SHADER, vertSource) - if(pvref) { - pvref.dispose() + if(selected.id !== this.pickId) { + return null } - wrapper.vertShader = wrapper._vref.shader - var pfref = this._fref - wrapper._fref = shaderCache.shader(gl, gl.FRAGMENT_SHADER, fragSource) - if(pfref) { - pfref.dispose() + var x = selected.value[2] + (selected.value[1]<<8) + (selected.value[0]<<16) + if(x >= this.pointCount || x < 0) { + return null } - wrapper.fragShader = wrapper._fref.shader - //If uniforms/attributes is not specified, use RT reflection - if(!uniforms || !attributes) { - - //Create initial test program - var testProgram = gl.createProgram() - gl.attachShader(testProgram, wrapper.fragShader) - gl.attachShader(testProgram, wrapper.vertShader) - gl.linkProgram(testProgram) - if(!gl.getProgramParameter(testProgram, gl.LINK_STATUS)) { - var errLog = gl.getProgramInfoLog(testProgram) - throw new GLError(errLog, 'Error linking program:' + errLog) - } - - //Load data from runtime - uniforms = uniforms || runtime.uniforms(gl, testProgram) - attributes = attributes || runtime.attributes(gl, testProgram) + //Unpack result + var coord = this.points[x] + var result = this._selectResult + result.index = x + for(var i=0; i<3; ++i) { + result.position[i] = result.dataCoordinate[i] = coord[i] + } + return result +} - //Release test program - gl.deleteProgram(testProgram) +proto.highlight = function(selection) { + if(!selection) { + this.highlightId = [1,1,1,1] + } else { + var pointId = selection.index + var a0 = pointId &0xff + var a1 = (pointId>>8) &0xff + var a2 = (pointId>>16)&0xff + this.highlightId = [a0/255.0, a1/255.0, a2/255.0, 0] } +} - //Sort attributes lexicographically - // overrides undefined WebGL behavior for attribute locations - attributes = attributes.slice() - attributes.sort(compareAttributes) +proto.update = function(options) { - //Convert attribute types, read out locations - var attributeUnpacked = [] - var attributeNames = [] - var attributeLocations = [] - for(var i=0; i= 0) { - var size = attr.type.charAt(attr.type.length-1)|0 - var locVector = new Array(size) - for(var j=0; j= 0) { - curLocation += 1 - } - attributeLocations[i] = curLocation + if('projectScale' in options) { + if(Array.isArray(options.projectScale)) { + this.projectScale = options.projectScale.slice() + } else { + var s = +options.projectScale + this.projectScale = [s,s,s] } } - - //Rebuild program and recompute all uniform locations - var uniformLocations = new Array(uniforms.length) - function relink() { - wrapper.program = shaderCache.program( - gl - , wrapper._vref - , wrapper._fref - , attributeNames - , attributeLocations) - - for(var i=0; i 0) { + textOffset[0] = -alignment[0] * (1+glyphBounds[0][0]) + } + + //Write out inner marker + var cells = glyphMesh.cells + var verts = glyphMesh.positions + + for(var j=0; j 0) { + + //Draw border + var w = lineWidth * pixelRatio + boxes.drawBox(loX-w, loY-w, hiX+w, loY+w, borderColor) + boxes.drawBox(loX-w, hiY-w, hiX+w, hiY+w, borderColor) + boxes.drawBox(loX-w, loY-w, loX+w, hiY+w, borderColor) + boxes.drawBox(hiX-w, loY-w, hiX+w, hiY+w, borderColor) } } +proto.update = function(options) { + options = options || {} + + this.innerFill = !!options.innerFill + this.outerFill = !!options.outerFill + this.innerColor = (options.innerColor || [0,0,0,0.5]).slice() + this.outerColor = (options.outerColor || [0,0,0,0.5]).slice() + this.borderColor = (options.borderColor || [0,0,0,1]).slice() + this.borderWidth = options.borderWidth || 0 + this.selectBox = (options.selectBox || this.selectBox).slice() +} + proto.dispose = function() { - this.vao.dispose() - this.buffer.dispose() - this.shader.dispose() + this.boxBuffer.dispose() + this.boxShader.dispose() + this.plot.removeOverlay(this) } +function createSelectBox(plot, options) { + var gl = plot.gl + var buffer = createBuffer(gl, [ + 0, 0, + 0, 1, + 1, 0, + 1, 1 ]) + var shader = createShader(gl, SHADERS.boxVertex, SHADERS.boxFragment) + var selectBox = new SelectBox(plot, buffer, shader) + selectBox.update(options) + plot.addOverlay(selectBox) + return selectBox +} +},{"./lib/shaders":240,"gl-buffer":165,"gl-shader":243}],242:[function(require,module,exports){ +'use strict' -function createSpikes(gl, options) { - //Create buffers - var data = [ ] +module.exports = createSelectBuffer - function line(x,y,z,i,l,h) { - var row = [x,y,z, 0,0,0, 1] - row[i+3] = 1 - row[i] = l - data.push.apply(data, row) - row[6] = -1 - data.push.apply(data, row) - row[i] = h - data.push.apply(data, row) - data.push.apply(data, row) - row[6] = 1 - data.push.apply(data, row) - row[i] = l - data.push.apply(data, row) - } +var createFBO = require('gl-fbo') +var pool = require('typedarray-pool') +var ndarray = require('ndarray') - line(0,0,0, 0, 0, 1) - line(0,0,0, 1, 0, 1) - line(0,0,0, 2, 0, 1) +var nextPow2 = require('bit-twiddle').nextPow2 - line(1,0,0, 1, -1,1) - line(1,0,0, 2, -1,1) +var selectRange = require('cwise/lib/wrapper')({"args":["array",{"offset":[0,0,1],"array":0},{"offset":[0,0,2],"array":0},{"offset":[0,0,3],"array":0},"scalar","scalar","index"],"pre":{"body":"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}","args":[],"thisVars":["this_closestD2","this_closestX","this_closestY"],"localVars":[]},"body":{"body":"{if(_inline_49_arg0_<255||_inline_49_arg1_<255||_inline_49_arg2_<255||_inline_49_arg3_<255){var _inline_49_l=_inline_49_arg4_-_inline_49_arg6_[0],_inline_49_a=_inline_49_arg5_-_inline_49_arg6_[1],_inline_49_f=_inline_49_l*_inline_49_l+_inline_49_a*_inline_49_a;_inline_49_f this.buffer.length) { + pool.free(this.buffer) + var buffer = this.buffer = pool.mallocUint8(nextPow2(r*c*4)) + for(var i=0; i= 1) { - return true - } - for (var i = 0; i < 3; ++i) { - if (this._contourCounts[i].length > 0 || this._dynamicCounts[i] > 0) { - return true - } - } - return false -} - -proto.pickSlots = 1 - -proto.setPickBase = function (id) { - this.pickId = id -} - -var ZERO_VEC = [0, 0, 0] - -var PROJECT_DATA = { - showSurface: false, - showContour: false, - projections: [IDENTITY.slice(), IDENTITY.slice(), IDENTITY.slice()], - clipBounds: [ - [[0, 0, 0], [0, 0, 0]], - [[0, 0, 0], [0, 0, 0]], - [[0, 0, 0], [0, 0, 0]]] -} - -function computeProjectionData (camera, obj) { - var i, j, k - - // Compute cube properties - var cubeAxis = (obj.axes && obj.axes.lastCubeProps.axis) || ZERO_VEC - - var showSurface = obj.showSurface - var showContour = obj.showContour - - for (i = 0; i < 3; ++i) { - showSurface = showSurface || obj.surfaceProject[i] - for (j = 0; j < 3; ++j) { - showContour = showContour || obj.contourProject[i][j] - } - } - - for (i = 0; i < 3; ++i) { - // Construct projection onto axis - var axisSquish = PROJECT_DATA.projections[i] - for (j = 0; j < 16; ++j) { - axisSquish[j] = 0 - } - for (j = 0; j < 4; ++j) { - axisSquish[5 * j] = 1 - } - axisSquish[5 * i] = 0 - axisSquish[12 + i] = obj.axesBounds[+(cubeAxis[i] > 0)][i] - multiply(axisSquish, camera.model, axisSquish) - - var nclipBounds = PROJECT_DATA.clipBounds[i] - for (k = 0; k < 2; ++k) { - for (j = 0; j < 3; ++j) { - nclipBounds[k][j] = camera.clipBounds[k][j] - } - } - nclipBounds[0][i] = -1e8 - nclipBounds[1][i] = 1e8 - } - - PROJECT_DATA.showSurface = showSurface - PROJECT_DATA.showContour = showContour - - return PROJECT_DATA -} - -var UNIFORMS = { - model: IDENTITY, - view: IDENTITY, - projection: IDENTITY, - inverseModel: IDENTITY.slice(), - lowerBound: [0, 0, 0], - upperBound: [0, 0, 0], - colorMap: 0, - clipBounds: [[0, 0, 0], [0, 0, 0]], - height: 0.0, - contourTint: 0, - contourColor: [0, 0, 0, 1], - permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], - zOffset: -1e-4, - kambient: 1, - kdiffuse: 1, - kspecular: 1, - lightPosition: [1000, 1000, 1000], - eyePosition: [0, 0, 0], - roughness: 1, - fresnel: 1, - opacity: 1, - vertexColor: 0 -} - -var MATRIX_INVERSE = IDENTITY.slice() -var DEFAULT_PERM = [1, 0, 0, 0, 1, 0, 0, 0, 1] - -function drawCore (params, transparent) { - params = params || {} - var gl = this.gl - - gl.disable(gl.CULL_FACE) - - this._colorMap.bind(0) - - var uniforms = UNIFORMS - uniforms.model = params.model || IDENTITY - uniforms.view = params.view || IDENTITY - uniforms.projection = params.projection || IDENTITY - uniforms.lowerBound = [this.bounds[0][0], this.bounds[0][1], this.colorBounds[0] || this.bounds[0][2]] - uniforms.upperBound = [this.bounds[1][0], this.bounds[1][1], this.colorBounds[1] || this.bounds[1][2]] - uniforms.contourColor = this.contourColor[0] - - uniforms.inverseModel = invert(uniforms.inverseModel, uniforms.model) - - for (var i = 0; i < 2; ++i) { - var clipClamped = uniforms.clipBounds[i] - for (var j = 0; j < 3; ++j) { - clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) - } - } - - uniforms.kambient = this.ambientLight - uniforms.kdiffuse = this.diffuseLight - uniforms.kspecular = this.specularLight - - uniforms.roughness = this.roughness - uniforms.fresnel = this.fresnel - uniforms.opacity = this.opacity - - uniforms.height = 0.0 - uniforms.permutation = DEFAULT_PERM - - uniforms.vertexColor = this.vertexColor - - // Compute camera matrix inverse - var invCameraMatrix = MATRIX_INVERSE - multiply(invCameraMatrix, uniforms.view, uniforms.model) - multiply(invCameraMatrix, uniforms.projection, invCameraMatrix) - invert(invCameraMatrix, invCameraMatrix) - - for (i = 0; i < 3; ++i) { - uniforms.eyePosition[i] = invCameraMatrix[12 + i] / invCameraMatrix[15] - } - - var w = invCameraMatrix[15] - for (i = 0; i < 3; ++i) { - w += this.lightPosition[i] * invCameraMatrix[4 * i + 3] - } - for (i = 0; i < 3; ++i) { - var s = invCameraMatrix[12 + i] - for (j = 0; j < 3; ++j) { - s += invCameraMatrix[4 * j + i] * this.lightPosition[j] - } - uniforms.lightPosition[i] = s / w - } - - var projectData = computeProjectionData(uniforms, this) - - if (projectData.showSurface && (transparent === (this.opacity < 1))) { - // Set up uniforms - this._shader.bind() - this._shader.uniforms = uniforms - - // Draw it - this._vao.bind() - - if (this.showSurface && this._vertexCount) { - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - if (!this.surfaceProject[i] || !this.vertexCount) { - continue - } - this._shader.uniforms.model = projectData.projections[i] - this._shader.uniforms.clipBounds = projectData.clipBounds[i] - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - this._vao.unbind() - } - - if (projectData.showContour && !transparent) { - var shader = this._contourShader - - // Don't apply lighting to contours - uniforms.kambient = 1.0 - uniforms.kdiffuse = 0.0 - uniforms.kspecular = 0.0 - uniforms.opacity = 1.0 - - shader.bind() - shader.uniforms = uniforms - - // Draw contour lines - var vao = this._contourVAO - vao.bind() - - // Draw contour levels - for (i = 0; i < 3; ++i) { - shader.uniforms.permutation = PERMUTATIONS[i] - gl.lineWidth(this.contourWidth[i]) - - for (j = 0; j < this.contourLevels[i].length; ++j) { - if (!this._contourCounts[i][j]) { - continue - } - if (j === this.highlightLevel[i]) { - shader.uniforms.contourColor = this.highlightColor[i] - shader.uniforms.contourTint = this.highlightTint[i] - } else if (j === 0 || (j - 1) === this.highlightLevel[i]) { - shader.uniforms.contourColor = this.contourColor[i] - shader.uniforms.contourTint = this.contourTint[i] - } - shader.uniforms.height = this.contourLevels[i][j] - vao.draw(gl.LINES, this._contourCounts[i][j], this._contourOffsets[i][j]) - } - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - shader.uniforms.model = projectData.projections[i] - shader.uniforms.clipBounds = projectData.clipBounds[i] - for (j = 0; j < 3; ++j) { - if (!this.contourProject[i][j]) { - continue - } - shader.uniforms.permutation = PERMUTATIONS[j] - gl.lineWidth(this.contourWidth[j]) - for (var k = 0; k < this.contourLevels[j].length; ++k) { - if (k === this.highlightLevel[j]) { - shader.uniforms.contourColor = this.highlightColor[j] - shader.uniforms.contourTint = this.highlightTint[j] - } else if (k === 0 || (k - 1) === this.highlightLevel[j]) { - shader.uniforms.contourColor = this.contourColor[j] - shader.uniforms.contourTint = this.contourTint[j] - } - shader.uniforms.height = this.contourLevels[j][k] - vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) - } - } - } - - // Draw dynamic contours - vao = this._dynamicVAO - vao.bind() - - // Draw contour levels - for (i = 0; i < 3; ++i) { - if (this._dynamicCounts[i] === 0) { - continue - } - - shader.uniforms.model = uniforms.model - shader.uniforms.clipBounds = uniforms.clipBounds - shader.uniforms.permutation = PERMUTATIONS[i] - gl.lineWidth(this.dynamicWidth[i]) - - shader.uniforms.contourColor = this.dynamicColor[i] - shader.uniforms.contourTint = this.dynamicTint[i] - shader.uniforms.height = this.dynamicLevel[i] - vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) - - for (j = 0; j < 3; ++j) { - if (!this.contourProject[j][i]) { - continue - } - - shader.uniforms.model = projectData.projections[j] - shader.uniforms.clipBounds = projectData.clipBounds[j] - vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) - } - } - - vao.unbind() - } -} - -proto.draw = function (params) { - return drawCore.call(this, params, false) -} - -proto.drawTransparent = function (params) { - return drawCore.call(this, params, true) -} - -var PICK_UNIFORMS = { - model: IDENTITY, - view: IDENTITY, - projection: IDENTITY, - inverseModel: IDENTITY, - clipBounds: [[0, 0, 0], [0, 0, 0]], - height: 0.0, - shape: [0, 0], - pickId: 0, - lowerBound: [0, 0, 0], - upperBound: [0, 0, 0], - zOffset: 0.0, - permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], - lightPosition: [0, 0, 0], - eyePosition: [0, 0, 0] -} - -proto.drawPick = function (params) { - params = params || {} - var gl = this.gl - gl.disable(gl.CULL_FACE) - - var uniforms = PICK_UNIFORMS - uniforms.model = params.model || IDENTITY - uniforms.view = params.view || IDENTITY - uniforms.projection = params.projection || IDENTITY - uniforms.shape = this._field[2].shape - uniforms.pickId = this.pickId / 255.0 - uniforms.lowerBound = this.bounds[0] - uniforms.upperBound = this.bounds[1] - uniforms.permutation = DEFAULT_PERM - - for (var i = 0; i < 2; ++i) { - var clipClamped = uniforms.clipBounds[i] - for (var j = 0; j < 3; ++j) { - clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) - } - } - - var projectData = computeProjectionData(uniforms, this) - - if (projectData.showSurface) { - // Set up uniforms - this._pickShader.bind() - this._pickShader.uniforms = uniforms - - // Draw it - this._vao.bind() - this._vao.draw(gl.TRIANGLES, this._vertexCount) - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - if (!this.surfaceProject[i]) { - continue - } - this._pickShader.uniforms.model = projectData.projections[i] - this._pickShader.uniforms.clipBounds = projectData.clipBounds[i] - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - this._vao.unbind() - } - - if (projectData.showContour) { - var shader = this._contourPickShader - - shader.bind() - shader.uniforms = uniforms - - var vao = this._contourVAO - vao.bind() - - for (j = 0; j < 3; ++j) { - gl.lineWidth(this.contourWidth[j]) - shader.uniforms.permutation = PERMUTATIONS[j] - for (i = 0; i < this.contourLevels[j].length; ++i) { - if (this._contourCounts[j][i]) { - shader.uniforms.height = this.contourLevels[j][i] - vao.draw(gl.LINES, this._contourCounts[j][i], this._contourOffsets[j][i]) - } - } - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - shader.uniforms.model = projectData.projections[i] - shader.uniforms.clipBounds = projectData.clipBounds[i] - - for (j = 0; j < 3; ++j) { - if (!this.contourProject[i][j]) { - continue - } - - shader.uniforms.permutation = PERMUTATIONS[j] - gl.lineWidth(this.contourWidth[j]) - for (var k = 0; k < this.contourLevels[j].length; ++k) { - if (this._contourCounts[j][k]) { - shader.uniforms.height = this.contourLevels[j][k] - vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) - } - } - } - } - - vao.unbind() - } -} - -proto.pick = function (selection) { - if (!selection) { - return null - } - - if (selection.id !== this.pickId) { - return null - } - - var shape = this._field[2].shape - - var result = this._pickResult - - // Compute uv coordinate - var x = shape[0] * (selection.value[0] + (selection.value[2] >> 4) / 16.0) / 255.0 - var ix = Math.floor(x) - var fx = x - ix - - var y = shape[1] * (selection.value[1] + (selection.value[2] & 15) / 16.0) / 255.0 - var iy = Math.floor(y) - var fy = y - iy - - ix += 1 - iy += 1 - - // Compute xyz coordinate - var pos = result.position - pos[0] = pos[1] = pos[2] = 0 - for (var dx = 0; dx < 2; ++dx) { - var s = dx ? fx : 1.0 - fx - for (var dy = 0; dy < 2; ++dy) { - var t = dy ? fy : 1.0 - fy - - var r = ix + dx - var c = iy + dy - var w = s * t - - for (var i = 0; i < 3; ++i) { - pos[i] += this._field[i].get(r, c) * w - } - } - } - - // Find closest level - var levelIndex = this._pickResult.level - for (var j = 0; j < 3; ++j) { - levelIndex[j] = bsearch.le(this.contourLevels[j], pos[j]) - if (levelIndex[j] < 0) { - if (this.contourLevels[j].length > 0) { - levelIndex[j] = 0 - } - } else if (levelIndex[j] < this.contourLevels[j].length - 1) { - var a = this.contourLevels[j][levelIndex[j]] - var b = this.contourLevels[j][levelIndex[j] + 1] - if (Math.abs(a - pos[j]) > Math.abs(b - pos[j])) { - levelIndex[j] += 1 - } - } - } - - result.index[0] = fx < 0.5 ? ix : (ix + 1) - result.index[1] = fy < 0.5 ? iy : (iy + 1) - - result.uv[0] = x / shape[0] - result.uv[1] = y / shape[1] - - for (i = 0; i < 3; ++i) { - result.dataCoordinate[i] = this._field[i].get(result.index[0], result.index[1]) - } - - return result -} - -function padField (nfield, field) { - var shape = field.shape.slice() - var nshape = nfield.shape.slice() - - // Center - ops.assign(nfield.lo(1, 1).hi(shape[0], shape[1]), field) - - // Edges - ops.assign(nfield.lo(1).hi(shape[0], 1), - field.hi(shape[0], 1)) - ops.assign(nfield.lo(1, nshape[1] - 1).hi(shape[0], 1), - field.lo(0, shape[1] - 1).hi(shape[0], 1)) - ops.assign(nfield.lo(0, 1).hi(1, shape[1]), - field.hi(1)) - ops.assign(nfield.lo(nshape[0] - 1, 1).hi(1, shape[1]), - field.lo(shape[0] - 1)) - // Corners - nfield.set(0, 0, field.get(0, 0)) - nfield.set(0, nshape[1] - 1, field.get(0, shape[1] - 1)) - nfield.set(nshape[0] - 1, 0, field.get(shape[0] - 1, 0)) - nfield.set(nshape[0] - 1, nshape[1] - 1, field.get(shape[0] - 1, shape[1] - 1)) -} - -function handleArray (param, ctor) { - if (Array.isArray(param)) { - return [ ctor(param[0]), ctor(param[1]), ctor(param[2]) ] - } - return [ ctor(param), ctor(param), ctor(param) ] -} - -function toColor (x) { - if (Array.isArray(x)) { - if (x.length === 3) { - return [x[0], x[1], x[2], 1] - } - return [x[0], x[1], x[2], x[3]] - } - return [0, 0, 0, 1] -} - -function handleColor (param) { - if (Array.isArray(param)) { - if (Array.isArray(param)) { - return [ - toColor(param[0]), - toColor(param[1]), - toColor(param[2]) ] - } else { - var c = toColor(param) - return [ - c.slice(), - c.slice(), - c.slice() ] - } - } -} - -proto.update = function (params) { - params = params || {} - - this.dirty = true - - if ('contourWidth' in params) { - this.contourWidth = handleArray(params.contourWidth, Number) - } - if ('showContour' in params) { - this.showContour = handleArray(params.showContour, Boolean) - } - if ('showSurface' in params) { - this.showSurface = !!params.showSurface - } - if ('contourTint' in params) { - this.contourTint = handleArray(params.contourTint, Boolean) - } - if ('contourColor' in params) { - this.contourColor = handleColor(params.contourColor) - } - if ('contourProject' in params) { - this.contourProject = handleArray(params.contourProject, function (x) { - return handleArray(x, Boolean) - }) - } - if ('surfaceProject' in params) { - this.surfaceProject = params.surfaceProject - } - if ('dynamicColor' in params) { - this.dynamicColor = handleColor(params.dynamicColor) - } - if ('dynamicTint' in params) { - this.dynamicTint = handleArray(params.dynamicTint, Number) - } - if ('dynamicWidth' in params) { - this.dynamicWidth = handleArray(params.dynamicWidth, Number) - } - if ('opacity' in params) { - this.opacity = params.opacity - } - if ('colorBounds' in params) { - this.colorBounds = params.colorBounds - } - if ('vertexColor' in params) { - this.vertexColor = params.vertexColor ? 1 : 0; - } - - var field = params.field || (params.coords && params.coords[2]) || null - var levelsChanged = false - - if (!field) { - if (this._field[2].shape[0] || this._field[2].shape[2]) { - field = this._field[2].lo(1, 1).hi(this._field[2].shape[0] - 2, this._field[2].shape[1] - 2) - } else { - field = this._field[2].hi(0, 0) - } - } - - // Update field - if ('field' in params || 'coords' in params) { - var fsize = (field.shape[0] + 2) * (field.shape[1] + 2) - - // Resize if necessary - if (fsize > this._field[2].data.length) { - pool.freeFloat(this._field[2].data) - this._field[2].data = pool.mallocFloat(bits.nextPow2(fsize)) - } - - // Pad field - this._field[2] = ndarray(this._field[2].data, [field.shape[0] + 2, field.shape[1] + 2]) - padField(this._field[2], field) - - // Save shape of field - this.shape = field.shape.slice() - var shape = this.shape - - // Resize coordinate fields if necessary - for (var i = 0; i < 2; ++i) { - if (this._field[2].size > this._field[i].data.length) { - pool.freeFloat(this._field[i].data) - this._field[i].data = pool.mallocFloat(this._field[2].size) - } - this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2]) - } - - // Generate x/y coordinates - if (params.coords) { - var coords = params.coords - if (!Array.isArray(coords) || coords.length !== 3) { - throw new Error('gl-surface: invalid coordinates for x/y') - } - for (i = 0; i < 2; ++i) { - var coord = coords[i] - for (j = 0; j < 2; ++j) { - if (coord.shape[j] !== shape[j]) { - throw new Error('gl-surface: coords have incorrect shape') - } - } - padField(this._field[i], coord) - } - } else if (params.ticks) { - var ticks = params.ticks - if (!Array.isArray(ticks) || ticks.length !== 2) { - throw new Error('gl-surface: invalid ticks') - } - for (i = 0; i < 2; ++i) { - var tick = ticks[i] - if (Array.isArray(tick) || tick.length) { - tick = ndarray(tick) - } - if (tick.shape[0] !== shape[i]) { - throw new Error('gl-surface: invalid tick length') - } - // Make a copy view of the tick array - var tick2 = ndarray(tick.data, shape) - tick2.stride[i] = tick.stride[0] - tick2.stride[i ^ 1] = 0 - - // Fill in field array - padField(this._field[i], tick2) - } - } else { - for (i = 0; i < 2; ++i) { - var offset = [0, 0] - offset[i] = 1 - this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2], offset, 0) - } - this._field[0].set(0, 0, 0) - for (var j = 0; j < shape[0]; ++j) { - this._field[0].set(j + 1, 0, j) - } - this._field[0].set(shape[0] + 1, 0, shape[0] - 1) - this._field[1].set(0, 0, 0) - for (j = 0; j < shape[1]; ++j) { - this._field[1].set(0, j + 1, j) - } - this._field[1].set(0, shape[1] + 1, shape[1] - 1) - } - - // Save shape - var fields = this._field - - // Compute surface normals - var dfields = ndarray(pool.mallocFloat(fields[2].size * 3 * 2), [3, shape[0] + 2, shape[1] + 2, 2]) - for (i = 0; i < 3; ++i) { - gradient(dfields.pick(i), fields[i], 'mirror') - } - var normals = ndarray(pool.mallocFloat(fields[2].size * 3), [shape[0] + 2, shape[1] + 2, 3]) - for (i = 0; i < shape[0] + 2; ++i) { - for (j = 0; j < shape[1] + 2; ++j) { - var dxdu = dfields.get(0, i, j, 0) - var dxdv = dfields.get(0, i, j, 1) - var dydu = dfields.get(1, i, j, 0) - var dydv = dfields.get(1, i, j, 1) - var dzdu = dfields.get(2, i, j, 0) - var dzdv = dfields.get(2, i, j, 1) - - var nx = dydu * dzdv - dydv * dzdu - var ny = dzdu * dxdv - dzdv * dxdu - var nz = dxdu * dydv - dxdv * dydu - - var nl = Math.sqrt(nx * nx + ny * ny + nz * nz) - if (nl < 1e-8) { - nl = Math.max(Math.abs(nx), Math.abs(ny), Math.abs(nz)) - if (nl < 1e-8) { - nz = 1.0 - ny = nx = 0.0 - nl = 1.0 - } else { - nl = 1.0 / nl - } - } else { - nl = 1.0 / Math.sqrt(nl) - } - - normals.set(i, j, 0, nx * nl) - normals.set(i, j, 1, ny * nl) - normals.set(i, j, 2, nz * nl) - } - } - pool.free(dfields.data) - - // Initialize surface - var lo = [ Infinity, Infinity, Infinity ] - var hi = [ -Infinity, -Infinity, -Infinity ] - var lo_intensity = Infinity - var hi_intensity = -Infinity - var count = (shape[0] - 1) * (shape[1] - 1) * 6 - var tverts = pool.mallocFloat(bits.nextPow2(10 * count)) - var tptr = 0 - var vertexCount = 0 - for (i = 0; i < shape[0] - 1; ++i) { - j_loop: - for (j = 0; j < shape[1] - 1; ++j) { - // Test for NaNs - for (var dx = 0; dx < 2; ++dx) { - for (var dy = 0; dy < 2; ++dy) { - for (var k = 0; k < 3; ++k) { - var f = this._field[k].get(1 + i + dx, 1 + j + dy) - if (isNaN(f) || !isFinite(f)) { - continue j_loop - } - } - } - } - for (k = 0; k < 6; ++k) { - var r = i + QUAD[k][0] - var c = j + QUAD[k][1] - - var tx = this._field[0].get(r + 1, c + 1) - var ty = this._field[1].get(r + 1, c + 1) - f = this._field[2].get(r + 1, c + 1) - var vf = f - nx = normals.get(r + 1, c + 1, 0) - ny = normals.get(r + 1, c + 1, 1) - nz = normals.get(r + 1, c + 1, 2) - - if (params.intensity) { - vf = params.intensity.get(r, c) - } - - tverts[tptr++] = r - tverts[tptr++] = c - tverts[tptr++] = tx - tverts[tptr++] = ty - tverts[tptr++] = f - tverts[tptr++] = 0 - tverts[tptr++] = vf - tverts[tptr++] = nx - tverts[tptr++] = ny - tverts[tptr++] = nz - - lo[0] = Math.min(lo[0], tx) - lo[1] = Math.min(lo[1], ty) - lo[2] = Math.min(lo[2], f) - lo_intensity = Math.min(lo_intensity, vf) - - hi[0] = Math.max(hi[0], tx) - hi[1] = Math.max(hi[1], ty) - hi[2] = Math.max(hi[2], f) - hi_intensity = Math.max(hi_intensity, vf) - - vertexCount += 1 - } - } - } - - if (params.intensityBounds) { - lo_intensity = +params.intensityBounds[0] - hi_intensity = +params.intensityBounds[1] - } - - // Scale all vertex intensities - for (i = 6; i < tptr; i += 10) { - tverts[i] = (tverts[i] - lo_intensity) / (hi_intensity - lo_intensity) - } - - this._vertexCount = vertexCount - this._coordinateBuffer.update(tverts.subarray(0, tptr)) - pool.freeFloat(tverts) - pool.free(normals.data) - - // Update bounds - this.bounds = [lo, hi] - - // Save intensity - this.intensity = params.intensity || this._field[2] - - if(this.intensityBounds[0] !== lo_intensity || this.intensityBounds[1] !== hi_intensity) { - levelsChanged = true - } - - // Save intensity bound - this.intensityBounds = [lo_intensity, hi_intensity] - } - - // Update level crossings - if ('levels' in params) { - var levels = params.levels - if (!Array.isArray(levels[0])) { - levels = [ [], [], levels ] - } else { - levels = levels.slice() - } - for (i = 0; i < 3; ++i) { - levels[i] = levels[i].slice() - levels.sort(function (a, b) { - return a - b - }) - } - change_test: - for (i = 0; i < 3; ++i) { - if (levels[i].length !== this.contourLevels[i].length) { - levelsChanged = true - break - } - for (j = 0; j < levels[i].length; ++j) { - if (levels[i][j] !== this.contourLevels[i][j]) { - levelsChanged = true - break change_test - } - } - } - this.contourLevels = levels - } - - if (levelsChanged) { - fields = this._field - shape = this.shape - - // Update contour lines - var contourVerts = [] - - for (var dim = 0; dim < 3; ++dim) { - levels = this.contourLevels[dim] - var levelOffsets = [] - var levelCounts = [] - - var parts = [0, 0, 0] - - for (i = 0; i < levels.length; ++i) { - var graph = surfaceNets(this._field[dim], levels[i]) - levelOffsets.push((contourVerts.length / 5) | 0) - vertexCount = 0 - - edge_loop: - for (j = 0; j < graph.cells.length; ++j) { - var e = graph.cells[j] - for (k = 0; k < 2; ++k) { - var p = graph.positions[e[k]] - - var x = p[0] - var ix = Math.floor(x) | 0 - var fx = x - ix - - var y = p[1] - var iy = Math.floor(y) | 0 - var fy = y - iy - - var hole = false - dd_loop: - for (var dd = 0; dd < 3; ++dd) { - parts[dd] = 0.0 - var iu = (dim + dd + 1) % 3 - for (dx = 0; dx < 2; ++dx) { - var s = dx ? fx : 1.0 - fx - r = Math.min(Math.max(ix + dx, 0), shape[0]) | 0 - for (dy = 0; dy < 2; ++dy) { - var t = dy ? fy : 1.0 - fy - c = Math.min(Math.max(iy + dy, 0), shape[1]) | 0 - - if (dd < 2) { - f = this._field[iu].get(r, c) - } else { - f = (this.intensity.get(r, c) - this.intensityBounds[0]) / (this.intensityBounds[1] - this.intensityBounds[0]) - } - if (!isFinite(f) || isNaN(f)) { - hole = true - break dd_loop - } - - var w = s * t - parts[dd] += w * f - } - } - } - - if (!hole) { - contourVerts.push(parts[0], parts[1], p[0], p[1], parts[2]) - vertexCount += 1 - } else { - if (k > 0) { - // If we already added first edge, pop off verts - for (var l = 0; l < 5; ++l) { - contourVerts.pop() - } - vertexCount -= 1 - } - continue edge_loop - } - } - } - levelCounts.push(vertexCount) - } - - // Store results - this._contourOffsets[dim] = levelOffsets - this._contourCounts[dim] = levelCounts - } - - var floatBuffer = pool.mallocFloat(contourVerts.length) - for (i = 0; i < contourVerts.length; ++i) { - floatBuffer[i] = contourVerts[i] - } - this._contourBuffer.update(floatBuffer) - pool.freeFloat(floatBuffer) - } - - if (params.colormap) { - this._colorMap.setPixels(genColormap(params.colormap)) - } -} - -proto.dispose = function () { - this._shader.dispose() - this._vao.dispose() - this._coordinateBuffer.dispose() - this._colorMap.dispose() - this._contourBuffer.dispose() - this._contourVAO.dispose() - this._contourShader.dispose() - this._contourPickShader.dispose() - this._dynamicBuffer.dispose() - this._dynamicVAO.dispose() - for (var i = 0; i < 3; ++i) { - pool.freeFloat(this._field[i].data) - } -} - -proto.highlight = function (selection) { - if (!selection) { - this._dynamicCounts = [0, 0, 0] - this.dyanamicLevel = [NaN, NaN, NaN] - this.highlightLevel = [-1, -1, -1] - return - } - - for (var i = 0; i < 3; ++i) { - if (this.enableHighlight[i]) { - this.highlightLevel[i] = selection.level[i] - } else { - this.highlightLevel[i] = -1 - } - } - - var levels - if (this.snapToData) { - levels = selection.dataCoordinate - } else { - levels = selection.position - } - if ((!this.enableDynamic[0] || levels[0] === this.dynamicLevel[0]) && - (!this.enableDynamic[1] || levels[1] === this.dynamicLevel[1]) && - (!this.enableDynamic[2] || levels[2] === this.dynamicLevel[2])) { - return - } - - var vertexCount = 0 - var shape = this.shape - var scratchBuffer = pool.mallocFloat(12 * shape[0] * shape[1]) - - for (var d = 0; d < 3; ++d) { - if (!this.enableDynamic[d]) { - this.dynamicLevel[d] = NaN - this._dynamicCounts[d] = 0 - continue - } - - this.dynamicLevel[d] = levels[d] - - var u = (d + 1) % 3 - var v = (d + 2) % 3 - - var f = this._field[d] - var g = this._field[u] - var h = this._field[v] - var intensity = this.intensity - - var graph = surfaceNets(f, levels[d]) - var edges = graph.cells - var positions = graph.positions - - this._dynamicOffsets[d] = vertexCount - - for (i = 0; i < edges.length; ++i) { - var e = edges[i] - for (var j = 0; j < 2; ++j) { - var p = positions[e[j]] - - var x = +p[0] - var ix = x | 0 - var jx = Math.min(ix + 1, shape[0]) | 0 - var fx = x - ix - var hx = 1.0 - fx - - var y = +p[1] - var iy = y | 0 - var jy = Math.min(iy + 1, shape[1]) | 0 - var fy = y - iy - var hy = 1.0 - fy - - var w00 = hx * hy - var w01 = hx * fy - var w10 = fx * hy - var w11 = fx * fy - - var cu = w00 * g.get(ix, iy) + - w01 * g.get(ix, jy) + - w10 * g.get(jx, iy) + - w11 * g.get(jx, jy) - - var cv = w00 * h.get(ix, iy) + - w01 * h.get(ix, jy) + - w10 * h.get(jx, iy) + - w11 * h.get(jx, jy) - - if (isNaN(cu) || isNaN(cv)) { - if (j) { - vertexCount -= 1 - } - break - } - - scratchBuffer[2 * vertexCount + 0] = cu - scratchBuffer[2 * vertexCount + 1] = cv - - vertexCount += 1 - } - } - - this._dynamicCounts[d] = vertexCount - this._dynamicOffsets[d] - } - - this._dynamicBuffer.update(scratchBuffer.subarray(0, 2 * vertexCount)) - pool.freeFloat(scratchBuffer) -} - -function createSurfacePlot (params) { - var gl = params.gl - var shader = createShader(gl) - var pickShader = createPickShader(gl) - var contourShader = createContourShader(gl) - var contourPickShader = createPickContourShader(gl) - - var coordinateBuffer = createBuffer(gl) - var vao = createVAO(gl, [ - { buffer: coordinateBuffer, - size: 4, - stride: SURFACE_VERTEX_SIZE, - offset: 0 - }, - { buffer: coordinateBuffer, - size: 3, - stride: SURFACE_VERTEX_SIZE, - offset: 16 - }, - { - buffer: coordinateBuffer, - size: 3, - stride: SURFACE_VERTEX_SIZE, - offset: 28 - } - ]) - - var contourBuffer = createBuffer(gl) - var contourVAO = createVAO(gl, [ - { - buffer: contourBuffer, - size: 4, - stride: 20, - offset: 0 - }, - { - buffer: contourBuffer, - size: 1, - stride: 20, - offset: 16 - } - ]) - - var dynamicBuffer = createBuffer(gl) - var dynamicVAO = createVAO(gl, [ - { - buffer: dynamicBuffer, - size: 2, - type: gl.FLOAT - }]) - - var cmap = createTexture(gl, 1, N_COLORS, gl.RGBA, gl.UNSIGNED_BYTE) - cmap.minFilter = gl.LINEAR - cmap.magFilter = gl.LINEAR - - var surface = new SurfacePlot( - gl, - [0, 0], - [[0, 0, 0], [0, 0, 0]], - shader, - pickShader, - coordinateBuffer, - vao, - cmap, - contourShader, - contourPickShader, - contourBuffer, - contourVAO, - dynamicBuffer, - dynamicVAO - ) - - var nparams = { - levels: [[], [], []] - } - for (var id in params) { - nparams[id] = params[id] - } - nparams.colormap = nparams.colormap || 'jet' - - surface.update(nparams) - - return surface -} +proto.query = function(x, y, radius) { + if(!this.gl) { + return null + } -},{"./lib/shaders":253,"binary-search-bounds":70,"bit-twiddle":71,"colormap":105,"gl-buffer":165,"gl-mat4/invert":186,"gl-mat4/multiply":188,"gl-texture2d":255,"gl-vao":259,"ndarray":458,"ndarray-gradient":449,"ndarray-ops":452,"ndarray-pack":453,"surface-nets":540,"typedarray-pool":554}],255:[function(require,module,exports){ -'use strict' + var shape = this.fbo.shape.slice() -var ndarray = require('ndarray') -var ops = require('ndarray-ops') -var pool = require('typedarray-pool') + x = x|0 + y = y|0 + if(typeof radius !== 'number') { + radius = 1.0 + } -module.exports = createTexture2D + var x0 = Math.min(Math.max(x - radius, 0), shape[0])|0 + var x1 = Math.min(Math.max(x + radius, 0), shape[0])|0 + var y0 = Math.min(Math.max(y - radius, 0), shape[1])|0 + var y1 = Math.min(Math.max(y + radius, 0), shape[1])|0 -var linearTypes = null -var filterTypes = null -var wrapTypes = null + if(x1 <= x0 || y1 <= y0) { + return null + } -function lazyInitLinearTypes(gl) { - linearTypes = [ - gl.LINEAR, - gl.NEAREST_MIPMAP_LINEAR, - gl.LINEAR_MIPMAP_NEAREST, - gl.LINEAR_MIPMAP_NEAREST - ] - filterTypes = [ - gl.NEAREST, - gl.LINEAR, - gl.NEAREST_MIPMAP_NEAREST, - gl.NEAREST_MIPMAP_LINEAR, - gl.LINEAR_MIPMAP_NEAREST, - gl.LINEAR_MIPMAP_LINEAR - ] - wrapTypes = [ - gl.REPEAT, - gl.CLAMP_TO_EDGE, - gl.MIRRORED_REPEAT - ] -} + var dims = [x1-x0,y1-y0] + var region = ndarray( + this.buffer, + [dims[0], dims[1], 4], + [4, shape[0]*4, 1], + 4*(x0 + shape[0]*y0)); -function acceptTextureDOM (obj) { - return ( - ('undefined' != typeof HTMLCanvasElement && obj instanceof HTMLCanvasElement) || - ('undefined' != typeof HTMLImageElement && obj instanceof HTMLImageElement) || - ('undefined' != typeof HTMLVideoElement && obj instanceof HTMLVideoElement) || - ('undefined' != typeof ImageData && obj instanceof ImageData)) -} + var closest = selectRange(region.hi(dims[0],dims[1],1), radius, radius) + var dx = closest[0] + var dy = closest[1] + if(dx < 0 || Math.pow(this.radius, 2) < closest[2]) { + return null + } -var convertFloatToUint8 = function(out, inp) { - ops.muls(out, inp, 255.0) + var c0 = region.get(dx, dy, 0) + var c1 = region.get(dx, dy, 1) + var c2 = region.get(dx, dy, 2) + var c3 = region.get(dx, dy, 3) + + return new SelectResult( + (dx + x0)|0, + (dy + y0)|0, + c0, + [c1, c2, c3], + Math.sqrt(closest[2])) } -function reshapeTexture(tex, w, h) { - var gl = tex.gl - var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(w < 0 || w > maxSize || h < 0 || h > maxSize) { - throw new Error('gl-texture2d: Invalid texture size') +proto.dispose = function() { + if(!this.gl) { + return + } + this.fbo.dispose() + pool.free(this.buffer) + this.gl = null + if(this._readTimeout) { + clearTimeout(this._readTimeout) } - tex._shape = [w, h] - tex.bind() - gl.texImage2D(gl.TEXTURE_2D, 0, tex.format, w, h, 0, tex.format, tex.type, null) - tex._mipLevels = [0] - return tex } -function Texture2D(gl, handle, width, height, format, type) { - this.gl = gl - this.handle = handle - this.format = format - this.type = type - this._shape = [width, height] - this._mipLevels = [0] - this._magFilter = gl.NEAREST - this._minFilter = gl.NEAREST - this._wrapS = gl.CLAMP_TO_EDGE - this._wrapT = gl.CLAMP_TO_EDGE - this._anisoSamples = 1 +function createSelectBuffer(gl, shape) { + var fbo = createFBO(gl, shape) + var buffer = pool.mallocUint8(shape[0]*shape[1]*4) + return new SelectBuffer(gl, fbo, buffer) +} - var parent = this - var wrapVector = [this._wrapS, this._wrapT] - Object.defineProperties(wrapVector, [ - { - get: function() { - return parent._wrapS - }, - set: function(v) { - return parent.wrapS = v - } - }, - { - get: function() { - return parent._wrapT - }, - set: function(v) { - return parent.wrapT = v - } - } - ]) - this._wrapVector = wrapVector +},{"bit-twiddle":71,"cwise/lib/wrapper":119,"gl-fbo":171,"ndarray":458,"typedarray-pool":554}],243:[function(require,module,exports){ +'use strict' - var shapeVector = [this._shape[0], this._shape[1]] - Object.defineProperties(shapeVector, [ - { - get: function() { - return parent._shape[0] - }, - set: function(v) { - return parent.width = v - } - }, - { - get: function() { - return parent._shape[1] - }, - set: function(v) { - return parent.height = v - } - } - ]) - this._shapeVector = shapeVector -} +var createUniformWrapper = require('./lib/create-uniforms') +var createAttributeWrapper = require('./lib/create-attributes') +var makeReflect = require('./lib/reflect') +var shaderCache = require('./lib/shader-cache') +var runtime = require('./lib/runtime-reflect') +var GLError = require("./lib/GLError") -var proto = Texture2D.prototype +//Shader object +function Shader(gl) { + this.gl = gl -Object.defineProperties(proto, { - minFilter: { - get: function() { - return this._minFilter - }, - set: function(v) { - this.bind() - var gl = this.gl - if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { - if(!gl.getExtension('OES_texture_float_linear')) { - v = gl.NEAREST - } - } - if(filterTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown filter mode ' + v) - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, v) - return this._minFilter = v - } - }, - magFilter: { - get: function() { - return this._magFilter - }, - set: function(v) { - this.bind() - var gl = this.gl - if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { - if(!gl.getExtension('OES_texture_float_linear')) { - v = gl.NEAREST - } - } - if(filterTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown filter mode ' + v) - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, v) - return this._magFilter = v - } - }, - mipSamples: { - get: function() { - return this._anisoSamples - }, - set: function(i) { - var psamples = this._anisoSamples - this._anisoSamples = Math.max(i, 1)|0 - if(psamples !== this._anisoSamples) { - var ext = this.gl.getExtension('EXT_texture_filter_anisotropic') - if(ext) { - this.gl.texParameterf(this.gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, this._anisoSamples) - } - } - return this._anisoSamples - } - }, - wrapS: { - get: function() { - return this._wrapS - }, - set: function(v) { - this.bind() - if(wrapTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown wrap mode ' + v) - } - this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, v) - return this._wrapS = v - } - }, - wrapT: { - get: function() { - return this._wrapT - }, - set: function(v) { - this.bind() - if(wrapTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown wrap mode ' + v) - } - this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, v) - return this._wrapT = v - } - }, - wrap: { - get: function() { - return this._wrapVector - }, - set: function(v) { - if(!Array.isArray(v)) { - v = [v,v] - } - if(v.length !== 2) { - throw new Error('gl-texture2d: Must specify wrap mode for rows and columns') - } - for(var i=0; i<2; ++i) { - if(wrapTypes.indexOf(v[i]) < 0) { - throw new Error('gl-texture2d: Unknown wrap mode ' + v) - } - } - this._wrapS = v[0] - this._wrapT = v[1] + //Default initialize these to null + this._vref = + this._fref = + this._relink = + this.vertShader = + this.fragShader = + this.program = + this.attributes = + this.uniforms = + this.types = null +} - var gl = this.gl - this.bind() - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, this._wrapS) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, this._wrapT) +var proto = Shader.prototype - return v - } - }, - shape: { - get: function() { - return this._shapeVector - }, - set: function(x) { - if(!Array.isArray(x)) { - x = [x|0,x|0] - } else { - if(x.length !== 2) { - throw new Error('gl-texture2d: Invalid texture shape') - } - } - reshapeTexture(this, x[0]|0, x[1]|0) - return [x[0]|0, x[1]|0] - } - }, - width: { - get: function() { - return this._shape[0] - }, - set: function(w) { - w = w|0 - reshapeTexture(this, w, this._shape[1]) - return w - } - }, - height: { - get: function() { - return this._shape[1] - }, - set: function(h) { - h = h|0 - reshapeTexture(this, this._shape[0], h) - return h - } +proto.bind = function() { + if(!this.program) { + this._relink() } -}) + this.gl.useProgram(this.program) +} -proto.bind = function(unit) { - var gl = this.gl - if(unit !== undefined) { - gl.activeTexture(gl.TEXTURE0 + (unit|0)) +proto.dispose = function() { + if(this._fref) { + this._fref.dispose() } - gl.bindTexture(gl.TEXTURE_2D, this.handle) - if(unit !== undefined) { - return (unit|0) + if(this._vref) { + this._vref.dispose() } - return gl.getParameter(gl.ACTIVE_TEXTURE) - gl.TEXTURE0 + this.attributes = + this.types = + this.vertShader = + this.fragShader = + this.program = + this._relink = + this._fref = + this._vref = null } -proto.dispose = function() { - this.gl.deleteTexture(this.handle) +function compareAttributes(a, b) { + if(a.name < b.name) { + return -1 + } + return 1 } -proto.generateMipmap = function() { - this.bind() - this.gl.generateMipmap(this.gl.TEXTURE_2D) +//Update export hook for glslify-live +proto.update = function( + vertSource + , fragSource + , uniforms + , attributes) { - //Update mip levels - var l = Math.min(this._shape[0], this._shape[1]) - for(var i=0; l>0; ++i, l>>>=1) { - if(this._mipLevels.indexOf(i) < 0) { - this._mipLevels.push(i) - } + //If only one object passed, assume glslify style output + if(!fragSource || arguments.length === 1) { + var obj = vertSource + vertSource = obj.vertex + fragSource = obj.fragment + uniforms = obj.uniforms + attributes = obj.attributes } -} -proto.setPixels = function(data, x_off, y_off, mip_level) { - var gl = this.gl - this.bind() - if(Array.isArray(x_off)) { - mip_level = y_off - y_off = x_off[1]|0 - x_off = x_off[0]|0 - } else { - x_off = x_off || 0 - y_off = y_off || 0 + var wrapper = this + var gl = wrapper.gl + + //Compile vertex and fragment shaders + var pvref = wrapper._vref + wrapper._vref = shaderCache.shader(gl, gl.VERTEX_SHADER, vertSource) + if(pvref) { + pvref.dispose() } - mip_level = mip_level || 0 - var directData = acceptTextureDOM(data) ? data : data.raw - if(directData) { - var needsMip = this._mipLevels.indexOf(mip_level) < 0 - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.format, this.type, directData) - this._mipLevels.push(mip_level) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, this.format, this.type, directData) - } - } else if(data.shape && data.stride && data.data) { - if(data.shape.length < 2 || - x_off + data.shape[1] > this._shape[1]>>>mip_level || - y_off + data.shape[0] > this._shape[0]>>>mip_level || - x_off < 0 || - y_off < 0) { - throw new Error('gl-texture2d: Texture dimensions are out of bounds') - } - texSubImageArray(gl, x_off, y_off, mip_level, this.format, this.type, this._mipLevels, data) - } else { - throw new Error('gl-texture2d: Unsupported data type') + wrapper.vertShader = wrapper._vref.shader + var pfref = this._fref + wrapper._fref = shaderCache.shader(gl, gl.FRAGMENT_SHADER, fragSource) + if(pfref) { + pfref.dispose() } -} - + wrapper.fragShader = wrapper._fref.shader -function isPacked(shape, stride) { - if(shape.length === 3) { - return (stride[2] === 1) && - (stride[1] === shape[0]*shape[2]) && - (stride[0] === shape[2]) - } - return (stride[0] === 1) && - (stride[1] === shape[0]) -} + //If uniforms/attributes is not specified, use RT reflection + if(!uniforms || !attributes) { -function texSubImageArray(gl, x_off, y_off, mip_level, cformat, ctype, mipLevels, array) { - var dtype = array.dtype - var shape = array.shape.slice() - if(shape.length < 2 || shape.length > 3) { - throw new Error('gl-texture2d: Invalid ndarray, must be 2d or 3d') - } - var type = 0, format = 0 - var packed = isPacked(shape, array.stride.slice()) - if(dtype === 'float32') { - type = gl.FLOAT - } else if(dtype === 'float64') { - type = gl.FLOAT - packed = false - dtype = 'float32' - } else if(dtype === 'uint8') { - type = gl.UNSIGNED_BYTE - } else { - type = gl.UNSIGNED_BYTE - packed = false - dtype = 'uint8' - } - var channels = 1 - if(shape.length === 2) { - format = gl.LUMINANCE - shape = [shape[0], shape[1], 1] - array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) - } else if(shape.length === 3) { - if(shape[2] === 1) { - format = gl.ALPHA - } else if(shape[2] === 2) { - format = gl.LUMINANCE_ALPHA - } else if(shape[2] === 3) { - format = gl.RGB - } else if(shape[2] === 4) { - format = gl.RGBA - } else { - throw new Error('gl-texture2d: Invalid shape for pixel coords') + //Create initial test program + var testProgram = gl.createProgram() + gl.attachShader(testProgram, wrapper.fragShader) + gl.attachShader(testProgram, wrapper.vertShader) + gl.linkProgram(testProgram) + if(!gl.getProgramParameter(testProgram, gl.LINK_STATUS)) { + var errLog = gl.getProgramInfoLog(testProgram) + throw new GLError(errLog, 'Error linking program:' + errLog) } - channels = shape[2] - } else { - throw new Error('gl-texture2d: Invalid shape for texture') - } - //For 1-channel textures allow conversion between formats - if((format === gl.LUMINANCE || format === gl.ALPHA) && - (cformat === gl.LUMINANCE || cformat === gl.ALPHA)) { - format = cformat - } - if(format !== cformat) { - throw new Error('gl-texture2d: Incompatible texture format for setPixels') - } - var size = array.size - var needsMip = mipLevels.indexOf(mip_level) < 0 - if(needsMip) { - mipLevels.push(mip_level) + + //Load data from runtime + uniforms = uniforms || runtime.uniforms(gl, testProgram) + attributes = attributes || runtime.attributes(gl, testProgram) + + //Release test program + gl.deleteProgram(testProgram) } - if(type === ctype && packed) { - //Array data types are compatible, can directly copy into texture - if(array.offset === 0 && array.data.length === size) { - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, array.data) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, array.data) + + //Sort attributes lexicographically + // overrides undefined WebGL behavior for attribute locations + attributes = attributes.slice() + attributes.sort(compareAttributes) + + //Convert attribute types, read out locations + var attributeUnpacked = [] + var attributeNames = [] + var attributeLocations = [] + for(var i=0; i= 0) { + var size = attr.type.charAt(attr.type.length-1)|0 + var locVector = new Array(size) + for(var j=0; j maxTextureSize || height < 0 || height > maxTextureSize) { - throw new Error('gl-texture2d: Invalid texture shape') - } - if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { - throw new Error('gl-texture2d: Floating point textures not supported on this platform') + //For all unspecified attributes, assign them lexicographically min attribute + var curLocation = 0 + for(var i=0; i= 0) { + curLocation += 1 + } + attributeLocations[i] = curLocation + } } - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, format, type, null) - return new Texture2D(gl, tex, width, height, format, type) -} -function createTextureDOM(gl, directData, width, height, format, type) { - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, format, type, directData) - return new Texture2D(gl, tex, width, height, format, type) -} + //Rebuild program and recompute all uniform locations + var uniformLocations = new Array(uniforms.length) + function relink() { + wrapper.program = shaderCache.program( + gl + , wrapper._vref + , wrapper._fref + , attributeNames + , attributeLocations) -//Creates a texture from an ndarray -function createTextureArray(gl, array) { - var dtype = array.dtype - var shape = array.shape.slice() - var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(shape[0] < 0 || shape[0] > maxSize || shape[1] < 0 || shape[1] > maxSize) { - throw new Error('gl-texture2d: Invalid texture size') - } - var packed = isPacked(shape, array.stride.slice()) - var type = 0 - if(dtype === 'float32') { - type = gl.FLOAT - } else if(dtype === 'float64') { - type = gl.FLOAT - packed = false - dtype = 'float32' - } else if(dtype === 'uint8') { - type = gl.UNSIGNED_BYTE - } else { - type = gl.UNSIGNED_BYTE - packed = false - dtype = 'uint8' - } - var format = 0 - if(shape.length === 2) { - format = gl.LUMINANCE - shape = [shape[0], shape[1], 1] - array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) - } else if(shape.length === 3) { - if(shape[2] === 1) { - format = gl.ALPHA - } else if(shape[2] === 2) { - format = gl.LUMINANCE_ALPHA - } else if(shape[2] === 3) { - format = gl.RGB - } else if(shape[2] === 4) { - format = gl.RGBA - } else { - throw new Error('gl-texture2d: Invalid shape for pixel coords') - } - } else { - throw new Error('gl-texture2d: Invalid shape for texture') - } - if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { - type = gl.UNSIGNED_BYTE - packed = false - } - var buffer, buf_store - var size = array.size - if(!packed) { - var stride = [shape[2], shape[2]*shape[0], 1] - buf_store = pool.malloc(size, dtype) - var buf_array = ndarray(buf_store, shape, stride, 0) - if((dtype === 'float32' || dtype === 'float64') && type === gl.UNSIGNED_BYTE) { - convertFloatToUint8(buf_array, array) - } else { - ops.assign(buf_array, array) + for(var i=0; i nattribs) { - throw new Error("gl-vao: Too many vertex attributes") - } - for(var i=0; i 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len) - out[0] = a[0] * len - out[1] = a[1] * len - out[2] = a[2] * len - } - return out +function AxisSpikes(gl, buffer, vao, shader) { + this.gl = gl + this.buffer = buffer + this.vao = vao + this.shader = shader + this.pixelRatio = 1 + this.bounds = [[-1000,-1000,-1000], [1000,1000,1000]] + this.position = [0,0,0] + this.lineWidth = [2,2,2] + this.colors = [[0,0,0,1], [0,0,0,1], [0,0,0,1]] + this.enabled = [true,true,true] + this.drawSides = [true,true,true] + this.axes = null } -},{}],265:[function(require,module,exports){ -module.exports = transformMat4 -/** - * Transforms the vec4 with a mat4. - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec4} out - */ -function transformMat4 (out, a, m) { - var x = a[0], y = a[1], z = a[2], w = a[3] - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w - out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w - return out -} +var proto = AxisSpikes.prototype -},{}],266:[function(require,module,exports){ -module.exports = decodeFloat +var OUTER_FACE = [0,0,0] +var INNER_FACE = [0,0,0] -var UINT8_VIEW = new Uint8Array(4) -var FLOAT_VIEW = new Float32Array(UINT8_VIEW.buffer) +var SHAPE = [0,0] -function decodeFloat(x, y, z, w) { - UINT8_VIEW[0] = w - UINT8_VIEW[1] = z - UINT8_VIEW[2] = y - UINT8_VIEW[3] = x - return FLOAT_VIEW[0] +proto.isTransparent = function() { + return false } -},{}],267:[function(require,module,exports){ -var tokenize = require('glsl-tokenizer') -var atob = require('atob-lite') - -module.exports = getName +proto.drawTransparent = function(camera) {} -function getName(src) { - var tokens = Array.isArray(src) - ? src - : tokenize(src) +proto.draw = function(camera) { + var gl = this.gl + var vao = this.vao + var shader = this.shader - for (var i = 0; i < tokens.length; i++) { - var token = tokens[i] - if (token.type !== 'preprocessor') continue - var match = token.data.match(/\#define\s+SHADER_NAME(_B64)?\s+(.+)$/) - if (!match) continue - if (!match[2]) continue + vao.bind() + shader.bind() - var b64 = match[1] - var name = match[2] + var model = camera.model || identity + var view = camera.view || identity + var projection = camera.projection || identity - return (b64 ? atob(name) : name).trim() + var axis + if(this.axes) { + axis = this.axes.lastCubeProps.axis } -} -},{"atob-lite":52,"glsl-tokenizer":274}],268:[function(require,module,exports){ -module.exports = tokenize + var outerFace = OUTER_FACE + var innerFace = INNER_FACE + for(var i=0; i<3; ++i) { + if(axis && axis[i] < 0) { + outerFace[i] = this.bounds[0][i] + innerFace[i] = this.bounds[1][i] + } else { + outerFace[i] = this.bounds[1][i] + innerFace[i] = this.bounds[0][i] + } + } -var literals100 = require('./lib/literals') - , operators = require('./lib/operators') - , builtins100 = require('./lib/builtins') - , literals300es = require('./lib/literals-300es') - , builtins300es = require('./lib/builtins-300es') + SHAPE[0] = gl.drawingBufferWidth + SHAPE[1] = gl.drawingBufferHeight -var NORMAL = 999 // <-- never emitted - , TOKEN = 9999 // <-- never emitted - , BLOCK_COMMENT = 0 - , LINE_COMMENT = 1 - , PREPROCESSOR = 2 - , OPERATOR = 3 - , INTEGER = 4 - , FLOAT = 5 - , IDENT = 6 - , BUILTIN = 7 - , KEYWORD = 8 - , WHITESPACE = 9 - , EOF = 10 - , HEX = 11 + shader.uniforms.model = model + shader.uniforms.view = view + shader.uniforms.projection = projection + shader.uniforms.coordinates = [this.position, outerFace, innerFace] + shader.uniforms.colors = this.colors + shader.uniforms.screenShape = SHAPE -var map = [ - 'block-comment' - , 'line-comment' - , 'preprocessor' - , 'operator' - , 'integer' - , 'float' - , 'ident' - , 'builtin' - , 'keyword' - , 'whitespace' - , 'eof' - , 'integer' -] + for(var i=0; i<3; ++i) { + shader.uniforms.lineWidth = this.lineWidth[i] * this.pixelRatio + if(this.enabled[i]) { + vao.draw(gl.TRIANGLES, 6, 6*i) + if(this.drawSides[i]) { + vao.draw(gl.TRIANGLES, 12, 18+12*i) + } + } + } -function tokenize(opt) { - var i = 0 - , total = 0 - , mode = NORMAL - , c - , last - , content = [] - , tokens = [] - , token_idx = 0 - , token_offs = 0 - , line = 1 - , col = 0 - , start = 0 - , isnum = false - , isoperator = false - , input = '' - , len + vao.unbind() +} - opt = opt || {} - var allBuiltins = builtins100 - var allLiterals = literals100 - if (opt.version === '300 es') { - allBuiltins = builtins300es - allLiterals = literals300es +proto.update = function(options) { + if(!options) { + return } - - return function(data) { - tokens = [] - if (data !== null) return write(data.replace ? data.replace(/\r\n/g, '\n') : data) - return end() + if("bounds" in options) { + this.bounds = options.bounds } - - function token(data) { - if (data.length) { - tokens.push({ - type: map[mode] - , data: data - , position: start - , line: line - , column: col - }) - } + if("position" in options) { + this.position = options.position } + if("lineWidth" in options) { + this.lineWidth = options.lineWidth + } + if("colors" in options) { + this.colors = options.colors + } + if("enabled" in options) { + this.enabled = options.enabled + } + if("drawSides" in options) { + this.drawSides = options.drawSides + } +} - function write(chunk) { - i = 0 - input += chunk - len = input.length - - var last +proto.dispose = function() { + this.vao.dispose() + this.buffer.dispose() + this.shader.dispose() +} - while(c = input[i], i < len) { - last = i - switch(mode) { - case BLOCK_COMMENT: i = block_comment(); break - case LINE_COMMENT: i = line_comment(); break - case PREPROCESSOR: i = preprocessor(); break - case OPERATOR: i = operator(); break - case INTEGER: i = integer(); break - case HEX: i = hex(); break - case FLOAT: i = decimal(); break - case TOKEN: i = readtoken(); break - case WHITESPACE: i = whitespace(); break - case NORMAL: i = normal(); break - } - if(last !== i) { - switch(input[last]) { - case '\n': col = 0; ++line; break - default: ++col; break - } - } - } +function createSpikes(gl, options) { + //Create buffers + var data = [ ] - total += i - input = input.slice(i) - return tokens + function line(x,y,z,i,l,h) { + var row = [x,y,z, 0,0,0, 1] + row[i+3] = 1 + row[i] = l + data.push.apply(data, row) + row[6] = -1 + data.push.apply(data, row) + row[i] = h + data.push.apply(data, row) + data.push.apply(data, row) + row[6] = 1 + data.push.apply(data, row) + row[i] = l + data.push.apply(data, row) } - function end(chunk) { - if(content.length) { - token(content.join('')) - } + line(0,0,0, 0, 0, 1) + line(0,0,0, 1, 0, 1) + line(0,0,0, 2, 0, 1) - mode = EOF - token('(eof)') - return tokens - } + line(1,0,0, 1, -1,1) + line(1,0,0, 2, -1,1) - function normal() { - content = content.length ? [] : content + line(0,1,0, 0, -1,1) + line(0,1,0, 2, -1,1) - if(last === '/' && c === '*') { - start = total + i - 1 - mode = BLOCK_COMMENT - last = c - return i + 1 - } + line(0,0,1, 0, -1,1) + line(0,0,1, 1, -1,1) - if(last === '/' && c === '/') { - start = total + i - 1 - mode = LINE_COMMENT - last = c - return i + 1 - } + var buffer = createBuffer(gl, data) + var vao = createVAO(gl, [{ + type: gl.FLOAT, + buffer: buffer, + size: 3, + offset: 0, + stride: 28 + }, { + type: gl.FLOAT, + buffer: buffer, + size: 3, + offset: 12, + stride: 28 + }, { + type: gl.FLOAT, + buffer: buffer, + size: 1, + offset: 24, + stride: 28 + }]) - if(c === '#') { - mode = PREPROCESSOR - start = total + i - return i - } + //Create shader + var shader = createShader(gl) + shader.attributes.position.location = 0 + shader.attributes.color.location = 1 + shader.attributes.weight.location = 2 - if(/\s/.test(c)) { - mode = WHITESPACE - start = total + i - return i + //Create spike object + var spikes = new AxisSpikes(gl, buffer, vao, shader) + + //Set parameters + spikes.update(options) + + //Return resulting object + return spikes +} + +},{"./shaders/index":251,"gl-buffer":165,"gl-vao":259}],253:[function(require,module,exports){ +var createShader = require('gl-shader') + + +var vertSrc = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute vec3 f;\nattribute vec3 normal;\n\nuniform mat4 model, view, projection, inverseModel;\nuniform vec3 lightPosition, eyePosition;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n worldCoordinate = vec3(uv.zw, f.x);\n vec4 worldPosition = model * vec4(worldCoordinate, 1.0);\n vec4 clipPosition = projection * view * worldPosition;\n gl_Position = clipPosition;\n kill = f.y;\n value = f.z;\n planeCoordinate = uv.xy;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Lighting geometry parameters\n vec4 cameraCoordinate = view * worldPosition;\n cameraCoordinate.xyz /= cameraCoordinate.w;\n lightDirection = lightPosition - cameraCoordinate.xyz;\n eyeDirection = eyePosition - cameraCoordinate.xyz;\n surfaceNormal = normalize((vec4(normal,0) * inverseModel).xyz);\n}\n" +var fragSrc = "precision mediump float;\n#define GLSLIFY 1\n\nfloat beckmannDistribution_2_0(float x, float roughness) {\n float NdotH = max(x, 0.0001);\n float cos2Alpha = NdotH * NdotH;\n float tan2Alpha = (cos2Alpha - 1.0) / cos2Alpha;\n float roughness2 = roughness * roughness;\n float denom = 3.141592653589793 * roughness2 * cos2Alpha * cos2Alpha;\n return exp(tan2Alpha / roughness2) / denom;\n}\n\n\n\nfloat beckmannSpecular_1_1(\n vec3 lightDirection,\n vec3 viewDirection,\n vec3 surfaceNormal,\n float roughness) {\n return beckmannDistribution_2_0(dot(surfaceNormal, normalize(lightDirection + viewDirection)), roughness);\n}\n\n\n\nuniform vec3 lowerBound, upperBound;\nuniform float contourTint;\nuniform vec4 contourColor;\nuniform sampler2D colormap;\nuniform vec3 clipBounds[2];\nuniform float roughness, fresnel, kambient, kdiffuse, kspecular, opacity;\nuniform float vertexColor;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n if (kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n\n vec3 N = normalize(surfaceNormal);\n vec3 V = normalize(eyeDirection);\n vec3 L = normalize(lightDirection);\n\n if(gl_FrontFacing) {\n N = -N;\n }\n\n float specular = max(beckmannSpecular_1_1(L, V, N, roughness), 0.);\n float diffuse = min(kambient + kdiffuse * max(dot(N, L), 0.0), 1.0);\n\n //decide how to interpolate color — in vertex or in fragment\n vec4 surfaceColor = step(vertexColor, .5) * texture2D(colormap, vec2(value, value)) + step(.5, vertexColor) * vColor;\n\n vec4 litColor = surfaceColor.a * vec4(diffuse * surfaceColor.rgb + kspecular * vec3(1,1,1) * specular, 1.0);\n\n gl_FragColor = mix(litColor, contourColor, contourTint) * opacity;\n}\n" +var contourVertSrc = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute float f;\n\nuniform mat3 permutation;\nuniform mat4 model, view, projection;\nuniform float height, zOffset;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n vec3 dataCoordinate = permutation * vec3(uv.xy, height);\n vec4 worldPosition = model * vec4(dataCoordinate, 1.0);\n\n vec4 clipPosition = projection * view * worldPosition;\n clipPosition.z = clipPosition.z + zOffset;\n\n gl_Position = clipPosition;\n value = f;\n kill = -1.0;\n worldCoordinate = dataCoordinate;\n planeCoordinate = uv.zw;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Don't do lighting for contours\n surfaceNormal = vec3(1,0,0);\n eyeDirection = vec3(0,1,0);\n lightDirection = vec3(0,0,1);\n}\n" +var pickSrc = "precision mediump float;\n#define GLSLIFY 1\n\nuniform vec2 shape;\nuniform vec3 clipBounds[2];\nuniform float pickId;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 surfaceNormal;\n\nvec2 splitFloat(float v) {\n float vh = 255.0 * v;\n float upper = floor(vh);\n float lower = fract(vh);\n return vec2(upper / 255.0, floor(lower * 16.0) / 16.0);\n}\n\nvoid main() {\n if(kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n vec2 ux = splitFloat(planeCoordinate.x / shape.x);\n vec2 uy = splitFloat(planeCoordinate.y / shape.y);\n gl_FragColor = vec4(pickId, ux.x, uy.x, ux.y + (uy.y/16.0));\n}\n" + +exports.createShader = function (gl) { + var shader = createShader(gl, vertSrc, fragSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'vec3'}, + {name: 'normal', type: 'vec3'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + shader.attributes.normal.location = 2 + return shader +} +exports.createPickShader = function (gl) { + var shader = createShader(gl, vertSrc, pickSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'vec3'}, + {name: 'normal', type: 'vec3'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + shader.attributes.normal.location = 2 + return shader +} +exports.createContourShader = function (gl) { + var shader = createShader(gl, contourVertSrc, fragSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'float'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + return shader +} +exports.createPickContourShader = function (gl) { + var shader = createShader(gl, contourVertSrc, pickSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'float'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + return shader +} + +},{"gl-shader":243}],254:[function(require,module,exports){ +'use strict' + +module.exports = createSurfacePlot + +var bits = require('bit-twiddle') +var createBuffer = require('gl-buffer') +var createVAO = require('gl-vao') +var createTexture = require('gl-texture2d') +var pool = require('typedarray-pool') +var colormap = require('colormap') +var ops = require('ndarray-ops') +var pack = require('ndarray-pack') +var ndarray = require('ndarray') +var surfaceNets = require('surface-nets') +var multiply = require('gl-mat4/multiply') +var invert = require('gl-mat4/invert') +var bsearch = require('binary-search-bounds') +var gradient = require('ndarray-gradient') +var shaders = require('./lib/shaders') + +var createShader = shaders.createShader +var createContourShader = shaders.createContourShader +var createPickShader = shaders.createPickShader +var createPickContourShader = shaders.createPickContourShader + +var SURFACE_VERTEX_SIZE = 4 * (4 + 3 + 3) + +var IDENTITY = [ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 ] + +var QUAD = [ + [0, 0], + [0, 1], + [1, 0], + [1, 1], + [1, 0], + [0, 1] +] + +var PERMUTATIONS = [ + [0, 0, 0, 0, 0, 0, 0, 0, 0], + [0, 0, 0, 0, 0, 0, 0, 0, 0], + [0, 0, 0, 0, 0, 0, 0, 0, 0] +] + +;(function () { + for (var i = 0; i < 3; ++i) { + var p = PERMUTATIONS[i] + var u = (i + 1) % 3 + var v = (i + 2) % 3 + p[u + 0] = 1 + p[v + 3] = 1 + p[i + 6] = 1 + } +})() + +function SurfacePickResult (position, index, uv, level, dataCoordinate) { + this.position = position + this.index = index + this.uv = uv + this.level = level + this.dataCoordinate = dataCoordinate +} + +var N_COLORS = 256 + +function genColormap (name) { + var x = pack([colormap({ + colormap: name, + nshades: N_COLORS, + format: 'rgba' + }).map(function (c) { + return [c[0], c[1], c[2], 255 * c[3]] + })]) + ops.divseq(x, 255.0) + return x +} + +function SurfacePlot ( + gl, + shape, + bounds, + shader, + pickShader, + coordinates, + vao, + colorMap, + contourShader, + contourPickShader, + contourBuffer, + contourVAO, + dynamicBuffer, + dynamicVAO) { + this.gl = gl + this.shape = shape + this.bounds = bounds + this.intensityBounds = []; + + this._shader = shader + this._pickShader = pickShader + this._coordinateBuffer = coordinates + this._vao = vao + this._colorMap = colorMap + + this._contourShader = contourShader + this._contourPickShader = contourPickShader + this._contourBuffer = contourBuffer + this._contourVAO = contourVAO + this._contourOffsets = [[], [], []] + this._contourCounts = [[], [], []] + this._vertexCount = 0 + + this._pickResult = new SurfacePickResult([0, 0, 0], [0, 0], [0, 0], [0, 0, 0], [0, 0, 0]) + + this._dynamicBuffer = dynamicBuffer + this._dynamicVAO = dynamicVAO + this._dynamicOffsets = [0, 0, 0] + this._dynamicCounts = [0, 0, 0] + + this.contourWidth = [ 1, 1, 1 ] + this.contourLevels = [[1], [1], [1]] + this.contourTint = [0, 0, 0] + this.contourColor = [[0.5, 0.5, 0.5, 1], [0.5, 0.5, 0.5, 1], [0.5, 0.5, 0.5, 1]] + + this.showContour = true + this.showSurface = true + + this.enableHighlight = [true, true, true] + this.highlightColor = [[0, 0, 0, 1], [0, 0, 0, 1], [0, 0, 0, 1]] + this.highlightTint = [ 1, 1, 1 ] + this.highlightLevel = [-1, -1, -1] + + // Dynamic contour options + this.enableDynamic = [ true, true, true ] + this.dynamicLevel = [ NaN, NaN, NaN ] + this.dynamicColor = [ [0, 0, 0, 1], [0, 0, 0, 1], [0, 0, 0, 1] ] + this.dynamicTint = [ 1, 1, 1 ] + this.dynamicWidth = [ 1, 1, 1 ] + + this.axesBounds = [[Infinity, Infinity, Infinity], [-Infinity, -Infinity, -Infinity]] + this.surfaceProject = [ false, false, false ] + this.contourProject = [[ false, false, false ], + [ false, false, false ], + [ false, false, false ]] + + this.colorBounds = [ false, false ] + + // Store xyz fields, need this for picking + this._field = [ + ndarray(pool.mallocFloat(1024), [0, 0]), + ndarray(pool.mallocFloat(1024), [0, 0]), + ndarray(pool.mallocFloat(1024), [0, 0]) ] + + this.pickId = 1 + this.clipBounds = [[-Infinity, -Infinity, -Infinity], [Infinity, Infinity, Infinity]] + + this.snapToData = false + + this.opacity = 1.0 + + this.lightPosition = [10, 10000, 0] + this.ambientLight = 0.8 + this.diffuseLight = 0.8 + this.specularLight = 2.0 + this.roughness = 0.5 + this.fresnel = 1.5 + this.vertexColor = 0; + + this.dirty = true +} + +var proto = SurfacePlot.prototype + +proto.isTransparent = function () { + return this.opacity < 1 +} + +proto.isOpaque = function () { + if (this.opacity >= 1) { + return true + } + for (var i = 0; i < 3; ++i) { + if (this._contourCounts[i].length > 0 || this._dynamicCounts[i] > 0) { + return true } + } + return false +} - isnum = /\d/.test(c) - isoperator = /[^\w_]/.test(c) +proto.pickSlots = 1 - start = total + i - mode = isnum ? INTEGER : isoperator ? OPERATOR : TOKEN - return i +proto.setPickBase = function (id) { + this.pickId = id +} + +var ZERO_VEC = [0, 0, 0] + +var PROJECT_DATA = { + showSurface: false, + showContour: false, + projections: [IDENTITY.slice(), IDENTITY.slice(), IDENTITY.slice()], + clipBounds: [ + [[0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0]]] +} + +function computeProjectionData (camera, obj) { + var i, j, k + + // Compute cube properties + var cubeAxis = (obj.axes && obj.axes.lastCubeProps.axis) || ZERO_VEC + + var showSurface = obj.showSurface + var showContour = obj.showContour + + for (i = 0; i < 3; ++i) { + showSurface = showSurface || obj.surfaceProject[i] + for (j = 0; j < 3; ++j) { + showContour = showContour || obj.contourProject[i][j] + } } - function whitespace() { - if(/[^\s]/g.test(c)) { - token(content.join('')) - mode = NORMAL - return i + for (i = 0; i < 3; ++i) { + // Construct projection onto axis + var axisSquish = PROJECT_DATA.projections[i] + for (j = 0; j < 16; ++j) { + axisSquish[j] = 0 } - content.push(c) - last = c - return i + 1 + for (j = 0; j < 4; ++j) { + axisSquish[5 * j] = 1 + } + axisSquish[5 * i] = 0 + axisSquish[12 + i] = obj.axesBounds[+(cubeAxis[i] > 0)][i] + multiply(axisSquish, camera.model, axisSquish) + + var nclipBounds = PROJECT_DATA.clipBounds[i] + for (k = 0; k < 2; ++k) { + for (j = 0; j < 3; ++j) { + nclipBounds[k][j] = camera.clipBounds[k][j] + } + } + nclipBounds[0][i] = -1e8 + nclipBounds[1][i] = 1e8 } - function preprocessor() { - if((c === '\r' || c === '\n') && last !== '\\') { - token(content.join('')) - mode = NORMAL - return i + PROJECT_DATA.showSurface = showSurface + PROJECT_DATA.showContour = showContour + + return PROJECT_DATA +} + +var UNIFORMS = { + model: IDENTITY, + view: IDENTITY, + projection: IDENTITY, + inverseModel: IDENTITY.slice(), + lowerBound: [0, 0, 0], + upperBound: [0, 0, 0], + colorMap: 0, + clipBounds: [[0, 0, 0], [0, 0, 0]], + height: 0.0, + contourTint: 0, + contourColor: [0, 0, 0, 1], + permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], + zOffset: -1e-4, + kambient: 1, + kdiffuse: 1, + kspecular: 1, + lightPosition: [1000, 1000, 1000], + eyePosition: [0, 0, 0], + roughness: 1, + fresnel: 1, + opacity: 1, + vertexColor: 0 +} + +var MATRIX_INVERSE = IDENTITY.slice() +var DEFAULT_PERM = [1, 0, 0, 0, 1, 0, 0, 0, 1] + +function drawCore (params, transparent) { + params = params || {} + var gl = this.gl + + gl.disable(gl.CULL_FACE) + + this._colorMap.bind(0) + + var uniforms = UNIFORMS + uniforms.model = params.model || IDENTITY + uniforms.view = params.view || IDENTITY + uniforms.projection = params.projection || IDENTITY + uniforms.lowerBound = [this.bounds[0][0], this.bounds[0][1], this.colorBounds[0] || this.bounds[0][2]] + uniforms.upperBound = [this.bounds[1][0], this.bounds[1][1], this.colorBounds[1] || this.bounds[1][2]] + uniforms.contourColor = this.contourColor[0] + + uniforms.inverseModel = invert(uniforms.inverseModel, uniforms.model) + + for (var i = 0; i < 2; ++i) { + var clipClamped = uniforms.clipBounds[i] + for (var j = 0; j < 3; ++j) { + clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) } - content.push(c) - last = c - return i + 1 } - function line_comment() { - return preprocessor() + uniforms.kambient = this.ambientLight + uniforms.kdiffuse = this.diffuseLight + uniforms.kspecular = this.specularLight + + uniforms.roughness = this.roughness + uniforms.fresnel = this.fresnel + uniforms.opacity = this.opacity + + uniforms.height = 0.0 + uniforms.permutation = DEFAULT_PERM + + uniforms.vertexColor = this.vertexColor + + // Compute camera matrix inverse + var invCameraMatrix = MATRIX_INVERSE + multiply(invCameraMatrix, uniforms.view, uniforms.model) + multiply(invCameraMatrix, uniforms.projection, invCameraMatrix) + invert(invCameraMatrix, invCameraMatrix) + + for (i = 0; i < 3; ++i) { + uniforms.eyePosition[i] = invCameraMatrix[12 + i] / invCameraMatrix[15] } - function block_comment() { - if(c === '/' && last === '*') { - content.push(c) - token(content.join('')) - mode = NORMAL - return i + 1 + var w = invCameraMatrix[15] + for (i = 0; i < 3; ++i) { + w += this.lightPosition[i] * invCameraMatrix[4 * i + 3] + } + for (i = 0; i < 3; ++i) { + var s = invCameraMatrix[12 + i] + for (j = 0; j < 3; ++j) { + s += invCameraMatrix[4 * j + i] * this.lightPosition[j] } + uniforms.lightPosition[i] = s / w + } - content.push(c) - last = c - return i + 1 + var projectData = computeProjectionData(uniforms, this) + + if (projectData.showSurface && (transparent === (this.opacity < 1))) { + // Set up uniforms + this._shader.bind() + this._shader.uniforms = uniforms + + // Draw it + this._vao.bind() + + if (this.showSurface && this._vertexCount) { + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + if (!this.surfaceProject[i] || !this.vertexCount) { + continue + } + this._shader.uniforms.model = projectData.projections[i] + this._shader.uniforms.clipBounds = projectData.clipBounds[i] + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + this._vao.unbind() } - function operator() { - if(last === '.' && /\d/.test(c)) { - mode = FLOAT - return i + if (projectData.showContour && !transparent) { + var shader = this._contourShader + + // Don't apply lighting to contours + uniforms.kambient = 1.0 + uniforms.kdiffuse = 0.0 + uniforms.kspecular = 0.0 + uniforms.opacity = 1.0 + + shader.bind() + shader.uniforms = uniforms + + // Draw contour lines + var vao = this._contourVAO + vao.bind() + + // Draw contour levels + for (i = 0; i < 3; ++i) { + shader.uniforms.permutation = PERMUTATIONS[i] + gl.lineWidth(this.contourWidth[i]) + + for (j = 0; j < this.contourLevels[i].length; ++j) { + if (!this._contourCounts[i][j]) { + continue + } + if (j === this.highlightLevel[i]) { + shader.uniforms.contourColor = this.highlightColor[i] + shader.uniforms.contourTint = this.highlightTint[i] + } else if (j === 0 || (j - 1) === this.highlightLevel[i]) { + shader.uniforms.contourColor = this.contourColor[i] + shader.uniforms.contourTint = this.contourTint[i] + } + shader.uniforms.height = this.contourLevels[i][j] + vao.draw(gl.LINES, this._contourCounts[i][j], this._contourOffsets[i][j]) + } } - if(last === '/' && c === '*') { - mode = BLOCK_COMMENT - return i + // Draw projections of surface + for (i = 0; i < 3; ++i) { + shader.uniforms.model = projectData.projections[i] + shader.uniforms.clipBounds = projectData.clipBounds[i] + for (j = 0; j < 3; ++j) { + if (!this.contourProject[i][j]) { + continue + } + shader.uniforms.permutation = PERMUTATIONS[j] + gl.lineWidth(this.contourWidth[j]) + for (var k = 0; k < this.contourLevels[j].length; ++k) { + if (k === this.highlightLevel[j]) { + shader.uniforms.contourColor = this.highlightColor[j] + shader.uniforms.contourTint = this.highlightTint[j] + } else if (k === 0 || (k - 1) === this.highlightLevel[j]) { + shader.uniforms.contourColor = this.contourColor[j] + shader.uniforms.contourTint = this.contourTint[j] + } + shader.uniforms.height = this.contourLevels[j][k] + vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) + } + } } - if(last === '/' && c === '/') { - mode = LINE_COMMENT - return i + // Draw dynamic contours + vao = this._dynamicVAO + vao.bind() + + // Draw contour levels + for (i = 0; i < 3; ++i) { + if (this._dynamicCounts[i] === 0) { + continue + } + + shader.uniforms.model = uniforms.model + shader.uniforms.clipBounds = uniforms.clipBounds + shader.uniforms.permutation = PERMUTATIONS[i] + gl.lineWidth(this.dynamicWidth[i]) + + shader.uniforms.contourColor = this.dynamicColor[i] + shader.uniforms.contourTint = this.dynamicTint[i] + shader.uniforms.height = this.dynamicLevel[i] + vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) + + for (j = 0; j < 3; ++j) { + if (!this.contourProject[j][i]) { + continue + } + + shader.uniforms.model = projectData.projections[j] + shader.uniforms.clipBounds = projectData.clipBounds[j] + vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) + } } - if(c === '.' && content.length) { - while(determine_operator(content)); + vao.unbind() + } +} - mode = FLOAT - return i +proto.draw = function (params) { + return drawCore.call(this, params, false) +} + +proto.drawTransparent = function (params) { + return drawCore.call(this, params, true) +} + +var PICK_UNIFORMS = { + model: IDENTITY, + view: IDENTITY, + projection: IDENTITY, + inverseModel: IDENTITY, + clipBounds: [[0, 0, 0], [0, 0, 0]], + height: 0.0, + shape: [0, 0], + pickId: 0, + lowerBound: [0, 0, 0], + upperBound: [0, 0, 0], + zOffset: 0.0, + permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], + lightPosition: [0, 0, 0], + eyePosition: [0, 0, 0] +} + +proto.drawPick = function (params) { + params = params || {} + var gl = this.gl + gl.disable(gl.CULL_FACE) + + var uniforms = PICK_UNIFORMS + uniforms.model = params.model || IDENTITY + uniforms.view = params.view || IDENTITY + uniforms.projection = params.projection || IDENTITY + uniforms.shape = this._field[2].shape + uniforms.pickId = this.pickId / 255.0 + uniforms.lowerBound = this.bounds[0] + uniforms.upperBound = this.bounds[1] + uniforms.permutation = DEFAULT_PERM + + for (var i = 0; i < 2; ++i) { + var clipClamped = uniforms.clipBounds[i] + for (var j = 0; j < 3; ++j) { + clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) } + } - if(c === ';' || c === ')' || c === '(') { - if(content.length) while(determine_operator(content)); - token(c) - mode = NORMAL - return i + 1 + var projectData = computeProjectionData(uniforms, this) + + if (projectData.showSurface) { + // Set up uniforms + this._pickShader.bind() + this._pickShader.uniforms = uniforms + + // Draw it + this._vao.bind() + this._vao.draw(gl.TRIANGLES, this._vertexCount) + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + if (!this.surfaceProject[i]) { + continue + } + this._pickShader.uniforms.model = projectData.projections[i] + this._pickShader.uniforms.clipBounds = projectData.clipBounds[i] + this._vao.draw(gl.TRIANGLES, this._vertexCount) } - var is_composite_operator = content.length === 2 && c !== '=' - if(/[\w_\d\s]/.test(c) || is_composite_operator) { - while(determine_operator(content)); - mode = NORMAL - return i + this._vao.unbind() + } + + if (projectData.showContour) { + var shader = this._contourPickShader + + shader.bind() + shader.uniforms = uniforms + + var vao = this._contourVAO + vao.bind() + + for (j = 0; j < 3; ++j) { + gl.lineWidth(this.contourWidth[j]) + shader.uniforms.permutation = PERMUTATIONS[j] + for (i = 0; i < this.contourLevels[j].length; ++i) { + if (this._contourCounts[j][i]) { + shader.uniforms.height = this.contourLevels[j][i] + vao.draw(gl.LINES, this._contourCounts[j][i], this._contourOffsets[j][i]) + } + } } - content.push(c) - last = c - return i + 1 + // Draw projections of surface + for (i = 0; i < 3; ++i) { + shader.uniforms.model = projectData.projections[i] + shader.uniforms.clipBounds = projectData.clipBounds[i] + + for (j = 0; j < 3; ++j) { + if (!this.contourProject[i][j]) { + continue + } + + shader.uniforms.permutation = PERMUTATIONS[j] + gl.lineWidth(this.contourWidth[j]) + for (var k = 0; k < this.contourLevels[j].length; ++k) { + if (this._contourCounts[j][k]) { + shader.uniforms.height = this.contourLevels[j][k] + vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) + } + } + } + } + + vao.unbind() } +} - function determine_operator(buf) { - var j = 0 - , idx - , res +proto.pick = function (selection) { + if (!selection) { + return null + } - do { - idx = operators.indexOf(buf.slice(0, buf.length + j).join('')) - res = operators[idx] + if (selection.id !== this.pickId) { + return null + } - if(idx === -1) { - if(j-- + buf.length > 0) continue - res = buf.slice(0, 1).join('') + var shape = this._field[2].shape + + var result = this._pickResult + + // Compute uv coordinate + var x = shape[0] * (selection.value[0] + (selection.value[2] >> 4) / 16.0) / 255.0 + var ix = Math.floor(x) + var fx = x - ix + + var y = shape[1] * (selection.value[1] + (selection.value[2] & 15) / 16.0) / 255.0 + var iy = Math.floor(y) + var fy = y - iy + + ix += 1 + iy += 1 + + // Compute xyz coordinate + var pos = result.position + pos[0] = pos[1] = pos[2] = 0 + for (var dx = 0; dx < 2; ++dx) { + var s = dx ? fx : 1.0 - fx + for (var dy = 0; dy < 2; ++dy) { + var t = dy ? fy : 1.0 - fy + + var r = ix + dx + var c = iy + dy + var w = s * t + + for (var i = 0; i < 3; ++i) { + pos[i] += this._field[i].get(r, c) * w } + } + } - token(res) + // Find closest level + var levelIndex = this._pickResult.level + for (var j = 0; j < 3; ++j) { + levelIndex[j] = bsearch.le(this.contourLevels[j], pos[j]) + if (levelIndex[j] < 0) { + if (this.contourLevels[j].length > 0) { + levelIndex[j] = 0 + } + } else if (levelIndex[j] < this.contourLevels[j].length - 1) { + var a = this.contourLevels[j][levelIndex[j]] + var b = this.contourLevels[j][levelIndex[j] + 1] + if (Math.abs(a - pos[j]) > Math.abs(b - pos[j])) { + levelIndex[j] += 1 + } + } + } - start += res.length - content = content.slice(res.length) - return content.length - } while(1) + result.index[0] = fx < 0.5 ? ix : (ix + 1) + result.index[1] = fy < 0.5 ? iy : (iy + 1) + + result.uv[0] = x / shape[0] + result.uv[1] = y / shape[1] + + for (i = 0; i < 3; ++i) { + result.dataCoordinate[i] = this._field[i].get(result.index[0], result.index[1]) } - function hex() { - if(/[^a-fA-F0-9]/.test(c)) { - token(content.join('')) - mode = NORMAL - return i + return result +} + +function padField (nfield, field) { + var shape = field.shape.slice() + var nshape = nfield.shape.slice() + + // Center + ops.assign(nfield.lo(1, 1).hi(shape[0], shape[1]), field) + + // Edges + ops.assign(nfield.lo(1).hi(shape[0], 1), + field.hi(shape[0], 1)) + ops.assign(nfield.lo(1, nshape[1] - 1).hi(shape[0], 1), + field.lo(0, shape[1] - 1).hi(shape[0], 1)) + ops.assign(nfield.lo(0, 1).hi(1, shape[1]), + field.hi(1)) + ops.assign(nfield.lo(nshape[0] - 1, 1).hi(1, shape[1]), + field.lo(shape[0] - 1)) + // Corners + nfield.set(0, 0, field.get(0, 0)) + nfield.set(0, nshape[1] - 1, field.get(0, shape[1] - 1)) + nfield.set(nshape[0] - 1, 0, field.get(shape[0] - 1, 0)) + nfield.set(nshape[0] - 1, nshape[1] - 1, field.get(shape[0] - 1, shape[1] - 1)) +} + +function handleArray (param, ctor) { + if (Array.isArray(param)) { + return [ ctor(param[0]), ctor(param[1]), ctor(param[2]) ] + } + return [ ctor(param), ctor(param), ctor(param) ] +} + +function toColor (x) { + if (Array.isArray(x)) { + if (x.length === 3) { + return [x[0], x[1], x[2], 1] } + return [x[0], x[1], x[2], x[3]] + } + return [0, 0, 0, 1] +} - content.push(c) - last = c - return i + 1 +function handleColor (param) { + if (Array.isArray(param)) { + if (Array.isArray(param)) { + return [ + toColor(param[0]), + toColor(param[1]), + toColor(param[2]) ] + } else { + var c = toColor(param) + return [ + c.slice(), + c.slice(), + c.slice() ] + } } +} - function integer() { - if(c === '.') { - content.push(c) - mode = FLOAT - last = c - return i + 1 +proto.update = function (params) { + params = params || {} + + this.dirty = true + + if ('contourWidth' in params) { + this.contourWidth = handleArray(params.contourWidth, Number) + } + if ('showContour' in params) { + this.showContour = handleArray(params.showContour, Boolean) + } + if ('showSurface' in params) { + this.showSurface = !!params.showSurface + } + if ('contourTint' in params) { + this.contourTint = handleArray(params.contourTint, Boolean) + } + if ('contourColor' in params) { + this.contourColor = handleColor(params.contourColor) + } + if ('contourProject' in params) { + this.contourProject = handleArray(params.contourProject, function (x) { + return handleArray(x, Boolean) + }) + } + if ('surfaceProject' in params) { + this.surfaceProject = params.surfaceProject + } + if ('dynamicColor' in params) { + this.dynamicColor = handleColor(params.dynamicColor) + } + if ('dynamicTint' in params) { + this.dynamicTint = handleArray(params.dynamicTint, Number) + } + if ('dynamicWidth' in params) { + this.dynamicWidth = handleArray(params.dynamicWidth, Number) + } + if ('opacity' in params) { + this.opacity = params.opacity + } + if ('colorBounds' in params) { + this.colorBounds = params.colorBounds + } + if ('vertexColor' in params) { + this.vertexColor = params.vertexColor ? 1 : 0; + } + + var field = params.field || (params.coords && params.coords[2]) || null + var levelsChanged = false + + if (!field) { + if (this._field[2].shape[0] || this._field[2].shape[2]) { + field = this._field[2].lo(1, 1).hi(this._field[2].shape[0] - 2, this._field[2].shape[1] - 2) + } else { + field = this._field[2].hi(0, 0) } + } - if(/[eE]/.test(c)) { - content.push(c) - mode = FLOAT - last = c - return i + 1 + // Update field + if ('field' in params || 'coords' in params) { + var fsize = (field.shape[0] + 2) * (field.shape[1] + 2) + + // Resize if necessary + if (fsize > this._field[2].data.length) { + pool.freeFloat(this._field[2].data) + this._field[2].data = pool.mallocFloat(bits.nextPow2(fsize)) } - if(c === 'x' && content.length === 1 && content[0] === '0') { - mode = HEX - content.push(c) - last = c - return i + 1 + // Pad field + this._field[2] = ndarray(this._field[2].data, [field.shape[0] + 2, field.shape[1] + 2]) + padField(this._field[2], field) + + // Save shape of field + this.shape = field.shape.slice() + var shape = this.shape + + // Resize coordinate fields if necessary + for (var i = 0; i < 2; ++i) { + if (this._field[2].size > this._field[i].data.length) { + pool.freeFloat(this._field[i].data) + this._field[i].data = pool.mallocFloat(this._field[2].size) + } + this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2]) } - if(/[^\d]/.test(c)) { - token(content.join('')) - mode = NORMAL - return i + // Generate x/y coordinates + if (params.coords) { + var coords = params.coords + if (!Array.isArray(coords) || coords.length !== 3) { + throw new Error('gl-surface: invalid coordinates for x/y') + } + for (i = 0; i < 2; ++i) { + var coord = coords[i] + for (j = 0; j < 2; ++j) { + if (coord.shape[j] !== shape[j]) { + throw new Error('gl-surface: coords have incorrect shape') + } + } + padField(this._field[i], coord) + } + } else if (params.ticks) { + var ticks = params.ticks + if (!Array.isArray(ticks) || ticks.length !== 2) { + throw new Error('gl-surface: invalid ticks') + } + for (i = 0; i < 2; ++i) { + var tick = ticks[i] + if (Array.isArray(tick) || tick.length) { + tick = ndarray(tick) + } + if (tick.shape[0] !== shape[i]) { + throw new Error('gl-surface: invalid tick length') + } + // Make a copy view of the tick array + var tick2 = ndarray(tick.data, shape) + tick2.stride[i] = tick.stride[0] + tick2.stride[i ^ 1] = 0 + + // Fill in field array + padField(this._field[i], tick2) + } + } else { + for (i = 0; i < 2; ++i) { + var offset = [0, 0] + offset[i] = 1 + this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2], offset, 0) + } + this._field[0].set(0, 0, 0) + for (var j = 0; j < shape[0]; ++j) { + this._field[0].set(j + 1, 0, j) + } + this._field[0].set(shape[0] + 1, 0, shape[0] - 1) + this._field[1].set(0, 0, 0) + for (j = 0; j < shape[1]; ++j) { + this._field[1].set(0, j + 1, j) + } + this._field[1].set(0, shape[1] + 1, shape[1] - 1) + } + + // Save shape + var fields = this._field + + // Compute surface normals + var dfields = ndarray(pool.mallocFloat(fields[2].size * 3 * 2), [3, shape[0] + 2, shape[1] + 2, 2]) + for (i = 0; i < 3; ++i) { + gradient(dfields.pick(i), fields[i], 'mirror') + } + var normals = ndarray(pool.mallocFloat(fields[2].size * 3), [shape[0] + 2, shape[1] + 2, 3]) + for (i = 0; i < shape[0] + 2; ++i) { + for (j = 0; j < shape[1] + 2; ++j) { + var dxdu = dfields.get(0, i, j, 0) + var dxdv = dfields.get(0, i, j, 1) + var dydu = dfields.get(1, i, j, 0) + var dydv = dfields.get(1, i, j, 1) + var dzdu = dfields.get(2, i, j, 0) + var dzdv = dfields.get(2, i, j, 1) + + var nx = dydu * dzdv - dydv * dzdu + var ny = dzdu * dxdv - dzdv * dxdu + var nz = dxdu * dydv - dxdv * dydu + + var nl = Math.sqrt(nx * nx + ny * ny + nz * nz) + if (nl < 1e-8) { + nl = Math.max(Math.abs(nx), Math.abs(ny), Math.abs(nz)) + if (nl < 1e-8) { + nz = 1.0 + ny = nx = 0.0 + nl = 1.0 + } else { + nl = 1.0 / nl + } + } else { + nl = 1.0 / Math.sqrt(nl) + } + + normals.set(i, j, 0, nx * nl) + normals.set(i, j, 1, ny * nl) + normals.set(i, j, 2, nz * nl) + } } + pool.free(dfields.data) - content.push(c) - last = c - return i + 1 - } + // Initialize surface + var lo = [ Infinity, Infinity, Infinity ] + var hi = [ -Infinity, -Infinity, -Infinity ] + var lo_intensity = Infinity + var hi_intensity = -Infinity + var count = (shape[0] - 1) * (shape[1] - 1) * 6 + var tverts = pool.mallocFloat(bits.nextPow2(10 * count)) + var tptr = 0 + var vertexCount = 0 + for (i = 0; i < shape[0] - 1; ++i) { + j_loop: + for (j = 0; j < shape[1] - 1; ++j) { + // Test for NaNs + for (var dx = 0; dx < 2; ++dx) { + for (var dy = 0; dy < 2; ++dy) { + for (var k = 0; k < 3; ++k) { + var f = this._field[k].get(1 + i + dx, 1 + j + dy) + if (isNaN(f) || !isFinite(f)) { + continue j_loop + } + } + } + } + for (k = 0; k < 6; ++k) { + var r = i + QUAD[k][0] + var c = j + QUAD[k][1] - function decimal() { - if(c === 'f') { - content.push(c) - last = c - i += 1 + var tx = this._field[0].get(r + 1, c + 1) + var ty = this._field[1].get(r + 1, c + 1) + f = this._field[2].get(r + 1, c + 1) + var vf = f + nx = normals.get(r + 1, c + 1, 0) + ny = normals.get(r + 1, c + 1, 1) + nz = normals.get(r + 1, c + 1, 2) + + if (params.intensity) { + vf = params.intensity.get(r, c) + } + + tverts[tptr++] = r + tverts[tptr++] = c + tverts[tptr++] = tx + tverts[tptr++] = ty + tverts[tptr++] = f + tverts[tptr++] = 0 + tverts[tptr++] = vf + tverts[tptr++] = nx + tverts[tptr++] = ny + tverts[tptr++] = nz + + lo[0] = Math.min(lo[0], tx) + lo[1] = Math.min(lo[1], ty) + lo[2] = Math.min(lo[2], f) + lo_intensity = Math.min(lo_intensity, vf) + + hi[0] = Math.max(hi[0], tx) + hi[1] = Math.max(hi[1], ty) + hi[2] = Math.max(hi[2], f) + hi_intensity = Math.max(hi_intensity, vf) + + vertexCount += 1 + } + } } - if(/[eE]/.test(c)) { - content.push(c) - last = c - return i + 1 + if (params.intensityBounds) { + lo_intensity = +params.intensityBounds[0] + hi_intensity = +params.intensityBounds[1] } - if (c === '-' && /[eE]/.test(last)) { - content.push(c) - last = c - return i + 1 + // Scale all vertex intensities + for (i = 6; i < tptr; i += 10) { + tverts[i] = (tverts[i] - lo_intensity) / (hi_intensity - lo_intensity) } - if(/[^\d]/.test(c)) { - token(content.join('')) - mode = NORMAL - return i + this._vertexCount = vertexCount + this._coordinateBuffer.update(tverts.subarray(0, tptr)) + pool.freeFloat(tverts) + pool.free(normals.data) + + // Update bounds + this.bounds = [lo, hi] + + // Save intensity + this.intensity = params.intensity || this._field[2] + + if(this.intensityBounds[0] !== lo_intensity || this.intensityBounds[1] !== hi_intensity) { + levelsChanged = true } - content.push(c) - last = c - return i + 1 + // Save intensity bound + this.intensityBounds = [lo_intensity, hi_intensity] } - function readtoken() { - if(/[^\d\w_]/.test(c)) { - var contentstr = content.join('') - if(allLiterals.indexOf(contentstr) > -1) { - mode = KEYWORD - } else if(allBuiltins.indexOf(contentstr) > -1) { - mode = BUILTIN - } else { - mode = IDENT + // Update level crossings + if ('levels' in params) { + var levels = params.levels + if (!Array.isArray(levels[0])) { + levels = [ [], [], levels ] + } else { + levels = levels.slice() + } + for (i = 0; i < 3; ++i) { + levels[i] = levels[i].slice() + levels.sort(function (a, b) { + return a - b + }) + } + change_test: + for (i = 0; i < 3; ++i) { + if (levels[i].length !== this.contourLevels[i].length) { + levelsChanged = true + break } - token(content.join('')) - mode = NORMAL - return i + for (j = 0; j < levels[i].length; ++j) { + if (levels[i][j] !== this.contourLevels[i][j]) { + levelsChanged = true + break change_test + } + } + } + this.contourLevels = levels + } + + if (levelsChanged) { + fields = this._field + shape = this.shape + + // Update contour lines + var contourVerts = [] + + for (var dim = 0; dim < 3; ++dim) { + levels = this.contourLevels[dim] + var levelOffsets = [] + var levelCounts = [] + + var parts = [0, 0, 0] + + for (i = 0; i < levels.length; ++i) { + var graph = surfaceNets(this._field[dim], levels[i]) + levelOffsets.push((contourVerts.length / 5) | 0) + vertexCount = 0 + + edge_loop: + for (j = 0; j < graph.cells.length; ++j) { + var e = graph.cells[j] + for (k = 0; k < 2; ++k) { + var p = graph.positions[e[k]] + + var x = p[0] + var ix = Math.floor(x) | 0 + var fx = x - ix + + var y = p[1] + var iy = Math.floor(y) | 0 + var fy = y - iy + + var hole = false + dd_loop: + for (var dd = 0; dd < 3; ++dd) { + parts[dd] = 0.0 + var iu = (dim + dd + 1) % 3 + for (dx = 0; dx < 2; ++dx) { + var s = dx ? fx : 1.0 - fx + r = Math.min(Math.max(ix + dx, 0), shape[0]) | 0 + for (dy = 0; dy < 2; ++dy) { + var t = dy ? fy : 1.0 - fy + c = Math.min(Math.max(iy + dy, 0), shape[1]) | 0 + + if (dd < 2) { + f = this._field[iu].get(r, c) + } else { + f = (this.intensity.get(r, c) - this.intensityBounds[0]) / (this.intensityBounds[1] - this.intensityBounds[0]) + } + if (!isFinite(f) || isNaN(f)) { + hole = true + break dd_loop + } + + var w = s * t + parts[dd] += w * f + } + } + } + + if (!hole) { + contourVerts.push(parts[0], parts[1], p[0], p[1], parts[2]) + vertexCount += 1 + } else { + if (k > 0) { + // If we already added first edge, pop off verts + for (var l = 0; l < 5; ++l) { + contourVerts.pop() + } + vertexCount -= 1 + } + continue edge_loop + } + } + } + levelCounts.push(vertexCount) + } + + // Store results + this._contourOffsets[dim] = levelOffsets + this._contourCounts[dim] = levelCounts } - content.push(c) - last = c - return i + 1 + + var floatBuffer = pool.mallocFloat(contourVerts.length) + for (i = 0; i < contourVerts.length; ++i) { + floatBuffer[i] = contourVerts[i] + } + this._contourBuffer.update(floatBuffer) + pool.freeFloat(floatBuffer) } -} -},{"./lib/builtins":270,"./lib/builtins-300es":269,"./lib/literals":272,"./lib/literals-300es":271,"./lib/operators":273}],269:[function(require,module,exports){ -// 300es builtins/reserved words that were previously valid in v100 -var v100 = require('./builtins') + if (params.colormap) { + this._colorMap.setPixels(genColormap(params.colormap)) + } +} + +proto.dispose = function () { + this._shader.dispose() + this._vao.dispose() + this._coordinateBuffer.dispose() + this._colorMap.dispose() + this._contourBuffer.dispose() + this._contourVAO.dispose() + this._contourShader.dispose() + this._contourPickShader.dispose() + this._dynamicBuffer.dispose() + this._dynamicVAO.dispose() + for (var i = 0; i < 3; ++i) { + pool.freeFloat(this._field[i].data) + } +} + +proto.highlight = function (selection) { + if (!selection) { + this._dynamicCounts = [0, 0, 0] + this.dyanamicLevel = [NaN, NaN, NaN] + this.highlightLevel = [-1, -1, -1] + return + } + + for (var i = 0; i < 3; ++i) { + if (this.enableHighlight[i]) { + this.highlightLevel[i] = selection.level[i] + } else { + this.highlightLevel[i] = -1 + } + } + + var levels + if (this.snapToData) { + levels = selection.dataCoordinate + } else { + levels = selection.position + } + if ((!this.enableDynamic[0] || levels[0] === this.dynamicLevel[0]) && + (!this.enableDynamic[1] || levels[1] === this.dynamicLevel[1]) && + (!this.enableDynamic[2] || levels[2] === this.dynamicLevel[2])) { + return + } + + var vertexCount = 0 + var shape = this.shape + var scratchBuffer = pool.mallocFloat(12 * shape[0] * shape[1]) + + for (var d = 0; d < 3; ++d) { + if (!this.enableDynamic[d]) { + this.dynamicLevel[d] = NaN + this._dynamicCounts[d] = 0 + continue + } + + this.dynamicLevel[d] = levels[d] + + var u = (d + 1) % 3 + var v = (d + 2) % 3 + + var f = this._field[d] + var g = this._field[u] + var h = this._field[v] + var intensity = this.intensity + + var graph = surfaceNets(f, levels[d]) + var edges = graph.cells + var positions = graph.positions + + this._dynamicOffsets[d] = vertexCount + + for (i = 0; i < edges.length; ++i) { + var e = edges[i] + for (var j = 0; j < 2; ++j) { + var p = positions[e[j]] + + var x = +p[0] + var ix = x | 0 + var jx = Math.min(ix + 1, shape[0]) | 0 + var fx = x - ix + var hx = 1.0 - fx + + var y = +p[1] + var iy = y | 0 + var jy = Math.min(iy + 1, shape[1]) | 0 + var fy = y - iy + var hy = 1.0 - fy + + var w00 = hx * hy + var w01 = hx * fy + var w10 = fx * hy + var w11 = fx * fy + + var cu = w00 * g.get(ix, iy) + + w01 * g.get(ix, jy) + + w10 * g.get(jx, iy) + + w11 * g.get(jx, jy) + + var cv = w00 * h.get(ix, iy) + + w01 * h.get(ix, jy) + + w10 * h.get(jx, iy) + + w11 * h.get(jx, jy) + + if (isNaN(cu) || isNaN(cv)) { + if (j) { + vertexCount -= 1 + } + break + } + + scratchBuffer[2 * vertexCount + 0] = cu + scratchBuffer[2 * vertexCount + 1] = cv + + vertexCount += 1 + } + } + + this._dynamicCounts[d] = vertexCount - this._dynamicOffsets[d] + } + + this._dynamicBuffer.update(scratchBuffer.subarray(0, 2 * vertexCount)) + pool.freeFloat(scratchBuffer) +} + +function createSurfacePlot (params) { + var gl = params.gl + var shader = createShader(gl) + var pickShader = createPickShader(gl) + var contourShader = createContourShader(gl) + var contourPickShader = createPickContourShader(gl) + + var coordinateBuffer = createBuffer(gl) + var vao = createVAO(gl, [ + { buffer: coordinateBuffer, + size: 4, + stride: SURFACE_VERTEX_SIZE, + offset: 0 + }, + { buffer: coordinateBuffer, + size: 3, + stride: SURFACE_VERTEX_SIZE, + offset: 16 + }, + { + buffer: coordinateBuffer, + size: 3, + stride: SURFACE_VERTEX_SIZE, + offset: 28 + } + ]) + + var contourBuffer = createBuffer(gl) + var contourVAO = createVAO(gl, [ + { + buffer: contourBuffer, + size: 4, + stride: 20, + offset: 0 + }, + { + buffer: contourBuffer, + size: 1, + stride: 20, + offset: 16 + } + ]) + + var dynamicBuffer = createBuffer(gl) + var dynamicVAO = createVAO(gl, [ + { + buffer: dynamicBuffer, + size: 2, + type: gl.FLOAT + }]) + + var cmap = createTexture(gl, 1, N_COLORS, gl.RGBA, gl.UNSIGNED_BYTE) + cmap.minFilter = gl.LINEAR + cmap.magFilter = gl.LINEAR + + var surface = new SurfacePlot( + gl, + [0, 0], + [[0, 0, 0], [0, 0, 0]], + shader, + pickShader, + coordinateBuffer, + vao, + cmap, + contourShader, + contourPickShader, + contourBuffer, + contourVAO, + dynamicBuffer, + dynamicVAO + ) + + var nparams = { + levels: [[], [], []] + } + for (var id in params) { + nparams[id] = params[id] + } + nparams.colormap = nparams.colormap || 'jet' + + surface.update(nparams) + + return surface +} + +},{"./lib/shaders":253,"binary-search-bounds":70,"bit-twiddle":71,"colormap":105,"gl-buffer":165,"gl-mat4/invert":186,"gl-mat4/multiply":188,"gl-texture2d":255,"gl-vao":259,"ndarray":458,"ndarray-gradient":449,"ndarray-ops":452,"ndarray-pack":453,"surface-nets":540,"typedarray-pool":554}],255:[function(require,module,exports){ +'use strict' + +var ndarray = require('ndarray') +var ops = require('ndarray-ops') +var pool = require('typedarray-pool') + +module.exports = createTexture2D + +var linearTypes = null +var filterTypes = null +var wrapTypes = null + +function lazyInitLinearTypes(gl) { + linearTypes = [ + gl.LINEAR, + gl.NEAREST_MIPMAP_LINEAR, + gl.LINEAR_MIPMAP_NEAREST, + gl.LINEAR_MIPMAP_NEAREST + ] + filterTypes = [ + gl.NEAREST, + gl.LINEAR, + gl.NEAREST_MIPMAP_NEAREST, + gl.NEAREST_MIPMAP_LINEAR, + gl.LINEAR_MIPMAP_NEAREST, + gl.LINEAR_MIPMAP_LINEAR + ] + wrapTypes = [ + gl.REPEAT, + gl.CLAMP_TO_EDGE, + gl.MIRRORED_REPEAT + ] +} + +function acceptTextureDOM (obj) { + return ( + ('undefined' != typeof HTMLCanvasElement && obj instanceof HTMLCanvasElement) || + ('undefined' != typeof HTMLImageElement && obj instanceof HTMLImageElement) || + ('undefined' != typeof HTMLVideoElement && obj instanceof HTMLVideoElement) || + ('undefined' != typeof ImageData && obj instanceof ImageData)) +} + +var convertFloatToUint8 = function(out, inp) { + ops.muls(out, inp, 255.0) +} + +function reshapeTexture(tex, w, h) { + var gl = tex.gl + var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) + if(w < 0 || w > maxSize || h < 0 || h > maxSize) { + throw new Error('gl-texture2d: Invalid texture size') + } + tex._shape = [w, h] + tex.bind() + gl.texImage2D(gl.TEXTURE_2D, 0, tex.format, w, h, 0, tex.format, tex.type, null) + tex._mipLevels = [0] + return tex +} + +function Texture2D(gl, handle, width, height, format, type) { + this.gl = gl + this.handle = handle + this.format = format + this.type = type + this._shape = [width, height] + this._mipLevels = [0] + this._magFilter = gl.NEAREST + this._minFilter = gl.NEAREST + this._wrapS = gl.CLAMP_TO_EDGE + this._wrapT = gl.CLAMP_TO_EDGE + this._anisoSamples = 1 + + var parent = this + var wrapVector = [this._wrapS, this._wrapT] + Object.defineProperties(wrapVector, [ + { + get: function() { + return parent._wrapS + }, + set: function(v) { + return parent.wrapS = v + } + }, + { + get: function() { + return parent._wrapT + }, + set: function(v) { + return parent.wrapT = v + } + } + ]) + this._wrapVector = wrapVector + + var shapeVector = [this._shape[0], this._shape[1]] + Object.defineProperties(shapeVector, [ + { + get: function() { + return parent._shape[0] + }, + set: function(v) { + return parent.width = v + } + }, + { + get: function() { + return parent._shape[1] + }, + set: function(v) { + return parent.height = v + } + } + ]) + this._shapeVector = shapeVector +} + +var proto = Texture2D.prototype + +Object.defineProperties(proto, { + minFilter: { + get: function() { + return this._minFilter + }, + set: function(v) { + this.bind() + var gl = this.gl + if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { + if(!gl.getExtension('OES_texture_float_linear')) { + v = gl.NEAREST + } + } + if(filterTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown filter mode ' + v) + } + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, v) + return this._minFilter = v + } + }, + magFilter: { + get: function() { + return this._magFilter + }, + set: function(v) { + this.bind() + var gl = this.gl + if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { + if(!gl.getExtension('OES_texture_float_linear')) { + v = gl.NEAREST + } + } + if(filterTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown filter mode ' + v) + } + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, v) + return this._magFilter = v + } + }, + mipSamples: { + get: function() { + return this._anisoSamples + }, + set: function(i) { + var psamples = this._anisoSamples + this._anisoSamples = Math.max(i, 1)|0 + if(psamples !== this._anisoSamples) { + var ext = this.gl.getExtension('EXT_texture_filter_anisotropic') + if(ext) { + this.gl.texParameterf(this.gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, this._anisoSamples) + } + } + return this._anisoSamples + } + }, + wrapS: { + get: function() { + return this._wrapS + }, + set: function(v) { + this.bind() + if(wrapTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown wrap mode ' + v) + } + this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, v) + return this._wrapS = v + } + }, + wrapT: { + get: function() { + return this._wrapT + }, + set: function(v) { + this.bind() + if(wrapTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown wrap mode ' + v) + } + this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, v) + return this._wrapT = v + } + }, + wrap: { + get: function() { + return this._wrapVector + }, + set: function(v) { + if(!Array.isArray(v)) { + v = [v,v] + } + if(v.length !== 2) { + throw new Error('gl-texture2d: Must specify wrap mode for rows and columns') + } + for(var i=0; i<2; ++i) { + if(wrapTypes.indexOf(v[i]) < 0) { + throw new Error('gl-texture2d: Unknown wrap mode ' + v) + } + } + this._wrapS = v[0] + this._wrapT = v[1] + + var gl = this.gl + this.bind() + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, this._wrapS) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, this._wrapT) + + return v + } + }, + shape: { + get: function() { + return this._shapeVector + }, + set: function(x) { + if(!Array.isArray(x)) { + x = [x|0,x|0] + } else { + if(x.length !== 2) { + throw new Error('gl-texture2d: Invalid texture shape') + } + } + reshapeTexture(this, x[0]|0, x[1]|0) + return [x[0]|0, x[1]|0] + } + }, + width: { + get: function() { + return this._shape[0] + }, + set: function(w) { + w = w|0 + reshapeTexture(this, w, this._shape[1]) + return w + } + }, + height: { + get: function() { + return this._shape[1] + }, + set: function(h) { + h = h|0 + reshapeTexture(this, this._shape[0], h) + return h + } + } +}) + +proto.bind = function(unit) { + var gl = this.gl + if(unit !== undefined) { + gl.activeTexture(gl.TEXTURE0 + (unit|0)) + } + gl.bindTexture(gl.TEXTURE_2D, this.handle) + if(unit !== undefined) { + return (unit|0) + } + return gl.getParameter(gl.ACTIVE_TEXTURE) - gl.TEXTURE0 +} + +proto.dispose = function() { + this.gl.deleteTexture(this.handle) +} + +proto.generateMipmap = function() { + this.bind() + this.gl.generateMipmap(this.gl.TEXTURE_2D) + + //Update mip levels + var l = Math.min(this._shape[0], this._shape[1]) + for(var i=0; l>0; ++i, l>>>=1) { + if(this._mipLevels.indexOf(i) < 0) { + this._mipLevels.push(i) + } + } +} + +proto.setPixels = function(data, x_off, y_off, mip_level) { + var gl = this.gl + this.bind() + if(Array.isArray(x_off)) { + mip_level = y_off + y_off = x_off[1]|0 + x_off = x_off[0]|0 + } else { + x_off = x_off || 0 + y_off = y_off || 0 + } + mip_level = mip_level || 0 + var directData = acceptTextureDOM(data) ? data : data.raw + if(directData) { + var needsMip = this._mipLevels.indexOf(mip_level) < 0 + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.format, this.type, directData) + this._mipLevels.push(mip_level) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, this.format, this.type, directData) + } + } else if(data.shape && data.stride && data.data) { + if(data.shape.length < 2 || + x_off + data.shape[1] > this._shape[1]>>>mip_level || + y_off + data.shape[0] > this._shape[0]>>>mip_level || + x_off < 0 || + y_off < 0) { + throw new Error('gl-texture2d: Texture dimensions are out of bounds') + } + texSubImageArray(gl, x_off, y_off, mip_level, this.format, this.type, this._mipLevels, data) + } else { + throw new Error('gl-texture2d: Unsupported data type') + } +} + + +function isPacked(shape, stride) { + if(shape.length === 3) { + return (stride[2] === 1) && + (stride[1] === shape[0]*shape[2]) && + (stride[0] === shape[2]) + } + return (stride[0] === 1) && + (stride[1] === shape[0]) +} + +function texSubImageArray(gl, x_off, y_off, mip_level, cformat, ctype, mipLevels, array) { + var dtype = array.dtype + var shape = array.shape.slice() + if(shape.length < 2 || shape.length > 3) { + throw new Error('gl-texture2d: Invalid ndarray, must be 2d or 3d') + } + var type = 0, format = 0 + var packed = isPacked(shape, array.stride.slice()) + if(dtype === 'float32') { + type = gl.FLOAT + } else if(dtype === 'float64') { + type = gl.FLOAT + packed = false + dtype = 'float32' + } else if(dtype === 'uint8') { + type = gl.UNSIGNED_BYTE + } else { + type = gl.UNSIGNED_BYTE + packed = false + dtype = 'uint8' + } + var channels = 1 + if(shape.length === 2) { + format = gl.LUMINANCE + shape = [shape[0], shape[1], 1] + array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) + } else if(shape.length === 3) { + if(shape[2] === 1) { + format = gl.ALPHA + } else if(shape[2] === 2) { + format = gl.LUMINANCE_ALPHA + } else if(shape[2] === 3) { + format = gl.RGB + } else if(shape[2] === 4) { + format = gl.RGBA + } else { + throw new Error('gl-texture2d: Invalid shape for pixel coords') + } + channels = shape[2] + } else { + throw new Error('gl-texture2d: Invalid shape for texture') + } + //For 1-channel textures allow conversion between formats + if((format === gl.LUMINANCE || format === gl.ALPHA) && + (cformat === gl.LUMINANCE || cformat === gl.ALPHA)) { + format = cformat + } + if(format !== cformat) { + throw new Error('gl-texture2d: Incompatible texture format for setPixels') + } + var size = array.size + var needsMip = mipLevels.indexOf(mip_level) < 0 + if(needsMip) { + mipLevels.push(mip_level) + } + if(type === ctype && packed) { + //Array data types are compatible, can directly copy into texture + if(array.offset === 0 && array.data.length === size) { + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, array.data) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, array.data) + } + } else { + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, array.data.subarray(array.offset, array.offset+size)) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, array.data.subarray(array.offset, array.offset+size)) + } + } + } else { + //Need to do type conversion to pack data into buffer + var pack_buffer + if(ctype === gl.FLOAT) { + pack_buffer = pool.mallocFloat32(size) + } else { + pack_buffer = pool.mallocUint8(size) + } + var pack_view = ndarray(pack_buffer, shape, [shape[2], shape[2]*shape[0], 1]) + if(type === gl.FLOAT && ctype === gl.UNSIGNED_BYTE) { + convertFloatToUint8(pack_view, array) + } else { + ops.assign(pack_view, array) + } + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, pack_buffer.subarray(0, size)) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, pack_buffer.subarray(0, size)) + } + if(ctype === gl.FLOAT) { + pool.freeFloat32(pack_buffer) + } else { + pool.freeUint8(pack_buffer) + } + } +} + +function initTexture(gl) { + var tex = gl.createTexture() + gl.bindTexture(gl.TEXTURE_2D, tex) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) + return tex +} + +function createTextureShape(gl, width, height, format, type) { + var maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) + if(width < 0 || width > maxTextureSize || height < 0 || height > maxTextureSize) { + throw new Error('gl-texture2d: Invalid texture shape') + } + if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { + throw new Error('gl-texture2d: Floating point textures not supported on this platform') + } + var tex = initTexture(gl) + gl.texImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, format, type, null) + return new Texture2D(gl, tex, width, height, format, type) +} + +function createTextureDOM(gl, directData, width, height, format, type) { + var tex = initTexture(gl) + gl.texImage2D(gl.TEXTURE_2D, 0, format, format, type, directData) + return new Texture2D(gl, tex, width, height, format, type) +} + +//Creates a texture from an ndarray +function createTextureArray(gl, array) { + var dtype = array.dtype + var shape = array.shape.slice() + var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) + if(shape[0] < 0 || shape[0] > maxSize || shape[1] < 0 || shape[1] > maxSize) { + throw new Error('gl-texture2d: Invalid texture size') + } + var packed = isPacked(shape, array.stride.slice()) + var type = 0 + if(dtype === 'float32') { + type = gl.FLOAT + } else if(dtype === 'float64') { + type = gl.FLOAT + packed = false + dtype = 'float32' + } else if(dtype === 'uint8') { + type = gl.UNSIGNED_BYTE + } else { + type = gl.UNSIGNED_BYTE + packed = false + dtype = 'uint8' + } + var format = 0 + if(shape.length === 2) { + format = gl.LUMINANCE + shape = [shape[0], shape[1], 1] + array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) + } else if(shape.length === 3) { + if(shape[2] === 1) { + format = gl.ALPHA + } else if(shape[2] === 2) { + format = gl.LUMINANCE_ALPHA + } else if(shape[2] === 3) { + format = gl.RGB + } else if(shape[2] === 4) { + format = gl.RGBA + } else { + throw new Error('gl-texture2d: Invalid shape for pixel coords') + } + } else { + throw new Error('gl-texture2d: Invalid shape for texture') + } + if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { + type = gl.UNSIGNED_BYTE + packed = false + } + var buffer, buf_store + var size = array.size + if(!packed) { + var stride = [shape[2], shape[2]*shape[0], 1] + buf_store = pool.malloc(size, dtype) + var buf_array = ndarray(buf_store, shape, stride, 0) + if((dtype === 'float32' || dtype === 'float64') && type === gl.UNSIGNED_BYTE) { + convertFloatToUint8(buf_array, array) + } else { + ops.assign(buf_array, array) + } + buffer = buf_store.subarray(0, size) + } else if (array.offset === 0 && array.data.length === size) { + buffer = array.data + } else { + buffer = array.data.subarray(array.offset, array.offset + size) + } + var tex = initTexture(gl) + gl.texImage2D(gl.TEXTURE_2D, 0, format, shape[0], shape[1], 0, format, type, buffer) + if(!packed) { + pool.free(buf_store) + } + return new Texture2D(gl, tex, shape[0], shape[1], format, type) +} + +function createTexture2D(gl) { + if(arguments.length <= 1) { + throw new Error('gl-texture2d: Missing arguments for texture2d constructor') + } + if(!linearTypes) { + lazyInitLinearTypes(gl) + } + if(typeof arguments[1] === 'number') { + return createTextureShape(gl, arguments[1], arguments[2], arguments[3]||gl.RGBA, arguments[4]||gl.UNSIGNED_BYTE) + } + if(Array.isArray(arguments[1])) { + return createTextureShape(gl, arguments[1][0]|0, arguments[1][1]|0, arguments[2]||gl.RGBA, arguments[3]||gl.UNSIGNED_BYTE) + } + if(typeof arguments[1] === 'object') { + var obj = arguments[1] + var directData = acceptTextureDOM(obj) ? obj : obj.raw + if (directData) { + return createTextureDOM(gl, directData, obj.width|0, obj.height|0, arguments[2]||gl.RGBA, arguments[3]||gl.UNSIGNED_BYTE) + } else if(obj.shape && obj.data && obj.stride) { + return createTextureArray(gl, obj) + } + } + throw new Error('gl-texture2d: Invalid arguments for texture2d constructor') +} + +},{"ndarray":458,"ndarray-ops":452,"typedarray-pool":554}],256:[function(require,module,exports){ +"use strict" + +function doBind(gl, elements, attributes) { + if(elements) { + elements.bind() + } else { + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null) + } + var nattribs = gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0 + if(attributes) { + if(attributes.length > nattribs) { + throw new Error("gl-vao: Too many vertex attributes") + } + for(var i=0; i 0) { + //TODO: evaluate use of glm_invsqrt here? + len = 1 / Math.sqrt(len) + out[0] = a[0] * len + out[1] = a[1] * len + out[2] = a[2] * len + } + return out +} +},{}],265:[function(require,module,exports){ +module.exports = transformMat4 + +/** + * Transforms the vec4 with a mat4. + * + * @param {vec4} out the receiving vector + * @param {vec4} a the vector to transform + * @param {mat4} m matrix to transform with + * @returns {vec4} out + */ +function transformMat4 (out, a, m) { + var x = a[0], y = a[1], z = a[2], w = a[3] + out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w + out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w + out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w + out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w + return out +} + +},{}],266:[function(require,module,exports){ +module.exports = decodeFloat + +var UINT8_VIEW = new Uint8Array(4) +var FLOAT_VIEW = new Float32Array(UINT8_VIEW.buffer) + +function decodeFloat(x, y, z, w) { + UINT8_VIEW[0] = w + UINT8_VIEW[1] = z + UINT8_VIEW[2] = y + UINT8_VIEW[3] = x + return FLOAT_VIEW[0] +} + +},{}],267:[function(require,module,exports){ +var tokenize = require('glsl-tokenizer') +var atob = require('atob-lite') + +module.exports = getName + +function getName(src) { + var tokens = Array.isArray(src) + ? src + : tokenize(src) + + for (var i = 0; i < tokens.length; i++) { + var token = tokens[i] + if (token.type !== 'preprocessor') continue + var match = token.data.match(/\#define\s+SHADER_NAME(_B64)?\s+(.+)$/) + if (!match) continue + if (!match[2]) continue + + var b64 = match[1] + var name = match[2] + + return (b64 ? atob(name) : name).trim() + } +} + +},{"atob-lite":52,"glsl-tokenizer":274}],268:[function(require,module,exports){ +module.exports = tokenize + +var literals100 = require('./lib/literals') + , operators = require('./lib/operators') + , builtins100 = require('./lib/builtins') + , literals300es = require('./lib/literals-300es') + , builtins300es = require('./lib/builtins-300es') + +var NORMAL = 999 // <-- never emitted + , TOKEN = 9999 // <-- never emitted + , BLOCK_COMMENT = 0 + , LINE_COMMENT = 1 + , PREPROCESSOR = 2 + , OPERATOR = 3 + , INTEGER = 4 + , FLOAT = 5 + , IDENT = 6 + , BUILTIN = 7 + , KEYWORD = 8 + , WHITESPACE = 9 + , EOF = 10 + , HEX = 11 + +var map = [ + 'block-comment' + , 'line-comment' + , 'preprocessor' + , 'operator' + , 'integer' + , 'float' + , 'ident' + , 'builtin' + , 'keyword' + , 'whitespace' + , 'eof' + , 'integer' +] + +function tokenize(opt) { + var i = 0 + , total = 0 + , mode = NORMAL + , c + , last + , content = [] + , tokens = [] + , token_idx = 0 + , token_offs = 0 + , line = 1 + , col = 0 + , start = 0 + , isnum = false + , isoperator = false + , input = '' + , len + + opt = opt || {} + var allBuiltins = builtins100 + var allLiterals = literals100 + if (opt.version === '300 es') { + allBuiltins = builtins300es + allLiterals = literals300es + } + + return function(data) { + tokens = [] + if (data !== null) return write(data.replace ? data.replace(/\r\n/g, '\n') : data) + return end() + } + + function token(data) { + if (data.length) { + tokens.push({ + type: map[mode] + , data: data + , position: start + , line: line + , column: col + }) + } + } + + function write(chunk) { + i = 0 + input += chunk + len = input.length + + var last + + while(c = input[i], i < len) { + last = i + + switch(mode) { + case BLOCK_COMMENT: i = block_comment(); break + case LINE_COMMENT: i = line_comment(); break + case PREPROCESSOR: i = preprocessor(); break + case OPERATOR: i = operator(); break + case INTEGER: i = integer(); break + case HEX: i = hex(); break + case FLOAT: i = decimal(); break + case TOKEN: i = readtoken(); break + case WHITESPACE: i = whitespace(); break + case NORMAL: i = normal(); break + } + + if(last !== i) { + switch(input[last]) { + case '\n': col = 0; ++line; break + default: ++col; break + } + } + } + + total += i + input = input.slice(i) + return tokens + } + + function end(chunk) { + if(content.length) { + token(content.join('')) + } + + mode = EOF + token('(eof)') + return tokens + } + + function normal() { + content = content.length ? [] : content + + if(last === '/' && c === '*') { + start = total + i - 1 + mode = BLOCK_COMMENT + last = c + return i + 1 + } + + if(last === '/' && c === '/') { + start = total + i - 1 + mode = LINE_COMMENT + last = c + return i + 1 + } + + if(c === '#') { + mode = PREPROCESSOR + start = total + i + return i + } + + if(/\s/.test(c)) { + mode = WHITESPACE + start = total + i + return i + } + + isnum = /\d/.test(c) + isoperator = /[^\w_]/.test(c) + + start = total + i + mode = isnum ? INTEGER : isoperator ? OPERATOR : TOKEN + return i + } + + function whitespace() { + if(/[^\s]/g.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + content.push(c) + last = c + return i + 1 + } + + function preprocessor() { + if((c === '\r' || c === '\n') && last !== '\\') { + token(content.join('')) + mode = NORMAL + return i + } + content.push(c) + last = c + return i + 1 + } + + function line_comment() { + return preprocessor() + } + + function block_comment() { + if(c === '/' && last === '*') { + content.push(c) + token(content.join('')) + mode = NORMAL + return i + 1 + } + + content.push(c) + last = c + return i + 1 + } + + function operator() { + if(last === '.' && /\d/.test(c)) { + mode = FLOAT + return i + } + + if(last === '/' && c === '*') { + mode = BLOCK_COMMENT + return i + } + + if(last === '/' && c === '/') { + mode = LINE_COMMENT + return i + } + + if(c === '.' && content.length) { + while(determine_operator(content)); + + mode = FLOAT + return i + } + + if(c === ';' || c === ')' || c === '(') { + if(content.length) while(determine_operator(content)); + token(c) + mode = NORMAL + return i + 1 + } + + var is_composite_operator = content.length === 2 && c !== '=' + if(/[\w_\d\s]/.test(c) || is_composite_operator) { + while(determine_operator(content)); + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function determine_operator(buf) { + var j = 0 + , idx + , res + + do { + idx = operators.indexOf(buf.slice(0, buf.length + j).join('')) + res = operators[idx] + + if(idx === -1) { + if(j-- + buf.length > 0) continue + res = buf.slice(0, 1).join('') + } + + token(res) + + start += res.length + content = content.slice(res.length) + return content.length + } while(1) + } + + function hex() { + if(/[^a-fA-F0-9]/.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function integer() { + if(c === '.') { + content.push(c) + mode = FLOAT + last = c + return i + 1 + } + + if(/[eE]/.test(c)) { + content.push(c) + mode = FLOAT + last = c + return i + 1 + } + + if(c === 'x' && content.length === 1 && content[0] === '0') { + mode = HEX + content.push(c) + last = c + return i + 1 + } + + if(/[^\d]/.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function decimal() { + if(c === 'f') { + content.push(c) + last = c + i += 1 + } + + if(/[eE]/.test(c)) { + content.push(c) + last = c + return i + 1 + } + + if (c === '-' && /[eE]/.test(last)) { + content.push(c) + last = c + return i + 1 + } + + if(/[^\d]/.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function readtoken() { + if(/[^\d\w_]/.test(c)) { + var contentstr = content.join('') + if(allLiterals.indexOf(contentstr) > -1) { + mode = KEYWORD + } else if(allBuiltins.indexOf(contentstr) > -1) { + mode = BUILTIN + } else { + mode = IDENT + } + token(content.join('')) + mode = NORMAL + return i + } + content.push(c) + last = c + return i + 1 + } +} + +},{"./lib/builtins":270,"./lib/builtins-300es":269,"./lib/literals":272,"./lib/literals-300es":271,"./lib/operators":273}],269:[function(require,module,exports){ +// 300es builtins/reserved words that were previously valid in v100 +var v100 = require('./builtins') // The texture2D|Cube functions have been removed // And the gl_ features are updated @@ -51861,19 +51861,19 @@ GridIndex.prototype.toArrayBuffer = function() { },{}],276:[function(require,module,exports){ (function (global){ -'use strict' - -var isBrowser = require('is-browser') -var hasHover - -if (typeof global.matchMedia === 'function') { - hasHover = !global.matchMedia('(hover: none)').matches -} -else { - hasHover = isBrowser -} - -module.exports = hasHover +'use strict' + +var isBrowser = require('is-browser') +var hasHover + +if (typeof global.matchMedia === 'function') { + hasHover = !global.matchMedia('(hover: none)').matches +} +else { + hasHover = isBrowser +} + +module.exports = hasHover }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"is-browser":282}],277:[function(require,module,exports){ @@ -52840,7 +52840,7 @@ function isMobile (ua) { } if (typeof ua != 'string') return false; - return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0,4)); + return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(ad|hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0,4)); } @@ -52854,18 +52854,18 @@ module.exports = function (x) { }; },{}],287:[function(require,module,exports){ -'use strict' - -module.exports = function isPath(str) { - if (typeof str !== 'string') return false - - str = str.trim() - - // https://www.w3.org/TR/SVG/paths.html#PathDataBNF - if (/^[mzlhvcsqta]\s*[-+.0-9][^mlhvzcsqta]+/i.test(str) && /[\dz]$/i.test(str) && str.length > 4) return true - - return false -} +'use strict' + +module.exports = function isPath(str) { + if (typeof str !== 'string') return false + + str = str.trim() + + // https://www.w3.org/TR/SVG/paths.html#PathDataBNF + if (/^[mzlhvcsqta]\s*[-+.0-9][^mlhvzcsqta]+/i.test(str) && /[\dz]$/i.test(str) && str.length > 4) return true + + return false +} },{}],288:[function(require,module,exports){ 'use strict'; @@ -53082,193 +53082,193 @@ function sqDist(ax, ay, bx, by) { } },{}],292:[function(require,module,exports){ -/** - * @module kdgrass - * - * Static kdbush - */ - -'use strict' - -module.exports = KDTree - -//optimized kdbush -function KDTree(points, nodeSize) { - if (!(this instanceof KDTree)) return new KDTree(points, nodeSize) - - this.nodeSize = nodeSize || 64; - - this.coords = points.slice(); - - var l = Math.floor(points.length / 2) - this.ids = Array(l); - - for (var i = 0; i < l; i++) { - this.ids[i] = i; - } - - sortKD(this.ids, this.coords, this.nodeSize, 0, this.ids.length - 1, 0); -} - - -KDTree.prototype.range = function range(minX, minY, maxX, maxY) { - var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize - var stack = [0, ids.length - 1, 0]; - var result = []; - var x, y; - - while (stack.length) { - var axis = stack.pop(); - var right = stack.pop(); - var left = stack.pop(); - - if (right - left <= nodeSize) { - for (var i = left; i <= right; i++) { - x = coords[2 * i]; - y = coords[2 * i + 1]; - if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[i]); - } - continue; - } - - var m = Math.floor((left + right) / 2); - - x = coords[2 * m]; - y = coords[2 * m + 1]; - - if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[m]); - - var nextAxis = (axis + 1) % 2; - - if (axis === 0 ? minX <= x : minY <= y) { - stack.push(left); - stack.push(m - 1); - stack.push(nextAxis); - } - if (axis === 0 ? maxX >= x : maxY >= y) { - stack.push(m + 1); - stack.push(right); - stack.push(nextAxis); - } - } - - return result; -} - - -KDTree.prototype.within = function within(qx, qy, r) { - var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize - var stack = [0, ids.length - 1, 0]; - var result = []; - var r2 = r * r; - - while (stack.length) { - var axis = stack.pop(); - var right = stack.pop(); - var left = stack.pop(); - - if (right - left <= nodeSize) { - for (var i = left; i <= right; i++) { - if (sqDist(coords[2 * i], coords[2 * i + 1], qx, qy) <= r2) result.push(ids[i]); - } - continue; - } - - var m = Math.floor((left + right) / 2); - - var x = coords[2 * m]; - var y = coords[2 * m + 1]; - - if (sqDist(x, y, qx, qy) <= r2) result.push(ids[m]); - - var nextAxis = (axis + 1) % 2; - - if (axis === 0 ? qx - r <= x : qy - r <= y) { - stack.push(left); - stack.push(m - 1); - stack.push(nextAxis); - } - if (axis === 0 ? qx + r >= x : qy + r >= y) { - stack.push(m + 1); - stack.push(right); - stack.push(nextAxis); - } - } - - return result; -} - -function sqDist(ax, ay, bx, by) { - var dx = ax - bx; - var dy = ay - by; - return dx * dx + dy * dy; -} - - -function sortKD(ids, coords, nodeSize, left, right, depth) { - if (right - left <= nodeSize) return; - - var m = Math.floor((left + right) / 2); - - select(ids, coords, m, left, right, depth % 2); - - sortKD(ids, coords, nodeSize, left, m - 1, depth + 1); - sortKD(ids, coords, nodeSize, m + 1, right, depth + 1); -} - -function select(ids, coords, k, left, right, inc) { - - while (right > left) { - if (right - left > 600) { - var n = right - left + 1; - var m = k - left + 1; - var z = Math.log(n); - var s = 0.5 * Math.exp(2 * z / 3); - var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); - var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); - var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); - select(ids, coords, k, newLeft, newRight, inc); - } - - var t = coords[2 * k + inc]; - var i = left; - var j = right; - - swapItem(ids, coords, left, k); - if (coords[2 * right + inc] > t) swapItem(ids, coords, left, right); - - while (i < j) { - swapItem(ids, coords, i, j); - i++; - j--; - while (coords[2 * i + inc] < t) i++; - while (coords[2 * j + inc] > t) j--; - } - - if (coords[2 * left + inc] === t) swapItem(ids, coords, left, j); - else { - j++; - swapItem(ids, coords, j, right); - } - - if (j <= k) left = j + 1; - if (k <= j) right = j - 1; - } -} - -function swapItem(ids, coords, i, j) { - swap(ids, i, j); - swap(coords, 2 * i, 2 * j); - swap(coords, 2 * i + 1, 2 * j + 1); -} - -function swap(arr, i, j) { - var tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; -} - - +/** + * @module kdgrass + * + * Static kdbush + */ + +'use strict' + +module.exports = KDTree + +//optimized kdbush +function KDTree(points, nodeSize) { + if (!(this instanceof KDTree)) return new KDTree(points, nodeSize) + + this.nodeSize = nodeSize || 64; + + this.coords = points.slice(); + + var l = Math.floor(points.length / 2) + this.ids = Array(l); + + for (var i = 0; i < l; i++) { + this.ids[i] = i; + } + + sortKD(this.ids, this.coords, this.nodeSize, 0, this.ids.length - 1, 0); +} + + +KDTree.prototype.range = function range(minX, minY, maxX, maxY) { + var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize + var stack = [0, ids.length - 1, 0]; + var result = []; + var x, y; + + while (stack.length) { + var axis = stack.pop(); + var right = stack.pop(); + var left = stack.pop(); + + if (right - left <= nodeSize) { + for (var i = left; i <= right; i++) { + x = coords[2 * i]; + y = coords[2 * i + 1]; + if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[i]); + } + continue; + } + + var m = Math.floor((left + right) / 2); + + x = coords[2 * m]; + y = coords[2 * m + 1]; + + if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[m]); + + var nextAxis = (axis + 1) % 2; + + if (axis === 0 ? minX <= x : minY <= y) { + stack.push(left); + stack.push(m - 1); + stack.push(nextAxis); + } + if (axis === 0 ? maxX >= x : maxY >= y) { + stack.push(m + 1); + stack.push(right); + stack.push(nextAxis); + } + } + + return result; +} + + +KDTree.prototype.within = function within(qx, qy, r) { + var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize + var stack = [0, ids.length - 1, 0]; + var result = []; + var r2 = r * r; + + while (stack.length) { + var axis = stack.pop(); + var right = stack.pop(); + var left = stack.pop(); + + if (right - left <= nodeSize) { + for (var i = left; i <= right; i++) { + if (sqDist(coords[2 * i], coords[2 * i + 1], qx, qy) <= r2) result.push(ids[i]); + } + continue; + } + + var m = Math.floor((left + right) / 2); + + var x = coords[2 * m]; + var y = coords[2 * m + 1]; + + if (sqDist(x, y, qx, qy) <= r2) result.push(ids[m]); + + var nextAxis = (axis + 1) % 2; + + if (axis === 0 ? qx - r <= x : qy - r <= y) { + stack.push(left); + stack.push(m - 1); + stack.push(nextAxis); + } + if (axis === 0 ? qx + r >= x : qy + r >= y) { + stack.push(m + 1); + stack.push(right); + stack.push(nextAxis); + } + } + + return result; +} + +function sqDist(ax, ay, bx, by) { + var dx = ax - bx; + var dy = ay - by; + return dx * dx + dy * dy; +} + + +function sortKD(ids, coords, nodeSize, left, right, depth) { + if (right - left <= nodeSize) return; + + var m = Math.floor((left + right) / 2); + + select(ids, coords, m, left, right, depth % 2); + + sortKD(ids, coords, nodeSize, left, m - 1, depth + 1); + sortKD(ids, coords, nodeSize, m + 1, right, depth + 1); +} + +function select(ids, coords, k, left, right, inc) { + + while (right > left) { + if (right - left > 600) { + var n = right - left + 1; + var m = k - left + 1; + var z = Math.log(n); + var s = 0.5 * Math.exp(2 * z / 3); + var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + select(ids, coords, k, newLeft, newRight, inc); + } + + var t = coords[2 * k + inc]; + var i = left; + var j = right; + + swapItem(ids, coords, left, k); + if (coords[2 * right + inc] > t) swapItem(ids, coords, left, right); + + while (i < j) { + swapItem(ids, coords, i, j); + i++; + j--; + while (coords[2 * i + inc] < t) i++; + while (coords[2 * j + inc] > t) j--; + } + + if (coords[2 * left + inc] === t) swapItem(ids, coords, left, j); + else { + j++; + swapItem(ids, coords, j, right); + } + + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; + } +} + +function swapItem(ids, coords, i, j) { + swap(ids, i, j); + swap(coords, 2 * i, 2 * j); + swap(coords, 2 * i + 1, 2 * j + 1); +} + +function swap(arr, i, j) { + var tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; +} + + },{}],293:[function(require,module,exports){ 'use strict'; @@ -73435,204 +73435,204 @@ module.exports = function recomposeMat4(matrix, translation, scale, skew, perspe return matrix } },{"gl-mat4/create":181,"gl-mat4/fromRotationTranslation":184,"gl-mat4/identity":185,"gl-mat4/multiply":188,"gl-mat4/scale":194,"gl-mat4/translate":195}],441:[function(require,module,exports){ -'use strict' - -var bsearch = require('binary-search-bounds') -var m4interp = require('mat4-interpolate') -var invert44 = require('gl-mat4/invert') -var rotateX = require('gl-mat4/rotateX') -var rotateY = require('gl-mat4/rotateY') -var rotateZ = require('gl-mat4/rotateZ') -var lookAt = require('gl-mat4/lookAt') -var translate = require('gl-mat4/translate') -var scale = require('gl-mat4/scale') -var normalize = require('gl-vec3/normalize') - -var DEFAULT_CENTER = [0,0,0] - -module.exports = createMatrixCameraController - -function MatrixCameraController(initialMatrix) { - this._components = initialMatrix.slice() - this._time = [0] - this.prevMatrix = initialMatrix.slice() - this.nextMatrix = initialMatrix.slice() - this.computedMatrix = initialMatrix.slice() - this.computedInverse = initialMatrix.slice() - this.computedEye = [0,0,0] - this.computedUp = [0,0,0] - this.computedCenter = [0,0,0] - this.computedRadius = [0] - this._limits = [-Infinity, Infinity] -} - -var proto = MatrixCameraController.prototype - -proto.recalcMatrix = function(t) { - var time = this._time - var tidx = bsearch.le(time, t) - var mat = this.computedMatrix - if(tidx < 0) { - return - } - var comps = this._components - if(tidx === time.length-1) { - var ptr = 16*tidx - for(var i=0; i<16; ++i) { - mat[i] = comps[ptr++] - } - } else { - var dt = (time[tidx+1] - time[tidx]) - var ptr = 16*tidx - var prev = this.prevMatrix - var allEqual = true - for(var i=0; i<16; ++i) { - prev[i] = comps[ptr++] - } - var next = this.nextMatrix - for(var i=0; i<16; ++i) { - next[i] = comps[ptr++] - allEqual = allEqual && (prev[i] === next[i]) - } - if(dt < 1e-6 || allEqual) { - for(var i=0; i<16; ++i) { - mat[i] = prev[i] - } - } else { - m4interp(mat, prev, next, (t - time[tidx])/dt) - } - } - - var up = this.computedUp - up[0] = mat[1] - up[1] = mat[5] - up[2] = mat[9] - normalize(up, up) - - var imat = this.computedInverse - invert44(imat, mat) - var eye = this.computedEye - var w = imat[15] - eye[0] = imat[12]/w - eye[1] = imat[13]/w - eye[2] = imat[14]/w - - var center = this.computedCenter - var radius = Math.exp(this.computedRadius[0]) - for(var i=0; i<3; ++i) { - center[i] = eye[i] - mat[2+4*i] * radius - } -} - -proto.idle = function(t) { - if(t < this.lastT()) { - return - } - var mc = this._components - var ptr = mc.length-16 - for(var i=0; i<16; ++i) { - mc.push(mc[ptr++]) - } - this._time.push(t) -} - -proto.flush = function(t) { - var idx = bsearch.gt(this._time, t) - 2 - if(idx < 0) { - return - } - this._time.splice(0, idx) - this._components.splice(0, 16*idx) -} - -proto.lastT = function() { - return this._time[this._time.length-1] -} - -proto.lookAt = function(t, eye, center, up) { - this.recalcMatrix(t) - eye = eye || this.computedEye - center = center || DEFAULT_CENTER - up = up || this.computedUp - this.setMatrix(t, lookAt(this.computedMatrix, eye, center, up)) - var d2 = 0.0 - for(var i=0; i<3; ++i) { - d2 += Math.pow(center[i] - eye[i], 2) - } - d2 = Math.log(Math.sqrt(d2)) - this.computedRadius[0] = d2 -} - -proto.rotate = function(t, yaw, pitch, roll) { - this.recalcMatrix(t) - var mat = this.computedInverse - if(yaw) rotateY(mat, mat, yaw) - if(pitch) rotateX(mat, mat, pitch) - if(roll) rotateZ(mat, mat, roll) - this.setMatrix(t, invert44(this.computedMatrix, mat)) -} - -var tvec = [0,0,0] - -proto.pan = function(t, dx, dy, dz) { - tvec[0] = -(dx || 0.0) - tvec[1] = -(dy || 0.0) - tvec[2] = -(dz || 0.0) - this.recalcMatrix(t) - var mat = this.computedInverse - translate(mat, mat, tvec) - this.setMatrix(t, invert44(mat, mat)) -} - -proto.translate = function(t, dx, dy, dz) { - tvec[0] = dx || 0.0 - tvec[1] = dy || 0.0 - tvec[2] = dz || 0.0 - this.recalcMatrix(t) - var mat = this.computedMatrix - translate(mat, mat, tvec) - this.setMatrix(t, mat) -} - -proto.setMatrix = function(t, mat) { - if(t < this.lastT()) { - return - } - this._time.push(t) - for(var i=0; i<16; ++i) { - this._components.push(mat[i]) - } -} - -proto.setDistance = function(t, d) { - this.computedRadius[0] = d -} - -proto.setDistanceLimits = function(a,b) { - var lim = this._limits - lim[0] = a - lim[1] = b -} - -proto.getDistanceLimits = function(out) { - var lim = this._limits - if(out) { - out[0] = lim[0] - out[1] = lim[1] - return out - } - return lim -} - -function createMatrixCameraController(options) { - options = options || {} - var matrix = options.matrix || - [1,0,0,0, - 0,1,0,0, - 0,0,1,0, - 0,0,0,1] - return new MatrixCameraController(matrix) -} +'use strict' + +var bsearch = require('binary-search-bounds') +var m4interp = require('mat4-interpolate') +var invert44 = require('gl-mat4/invert') +var rotateX = require('gl-mat4/rotateX') +var rotateY = require('gl-mat4/rotateY') +var rotateZ = require('gl-mat4/rotateZ') +var lookAt = require('gl-mat4/lookAt') +var translate = require('gl-mat4/translate') +var scale = require('gl-mat4/scale') +var normalize = require('gl-vec3/normalize') + +var DEFAULT_CENTER = [0,0,0] + +module.exports = createMatrixCameraController + +function MatrixCameraController(initialMatrix) { + this._components = initialMatrix.slice() + this._time = [0] + this.prevMatrix = initialMatrix.slice() + this.nextMatrix = initialMatrix.slice() + this.computedMatrix = initialMatrix.slice() + this.computedInverse = initialMatrix.slice() + this.computedEye = [0,0,0] + this.computedUp = [0,0,0] + this.computedCenter = [0,0,0] + this.computedRadius = [0] + this._limits = [-Infinity, Infinity] +} + +var proto = MatrixCameraController.prototype + +proto.recalcMatrix = function(t) { + var time = this._time + var tidx = bsearch.le(time, t) + var mat = this.computedMatrix + if(tidx < 0) { + return + } + var comps = this._components + if(tidx === time.length-1) { + var ptr = 16*tidx + for(var i=0; i<16; ++i) { + mat[i] = comps[ptr++] + } + } else { + var dt = (time[tidx+1] - time[tidx]) + var ptr = 16*tidx + var prev = this.prevMatrix + var allEqual = true + for(var i=0; i<16; ++i) { + prev[i] = comps[ptr++] + } + var next = this.nextMatrix + for(var i=0; i<16; ++i) { + next[i] = comps[ptr++] + allEqual = allEqual && (prev[i] === next[i]) + } + if(dt < 1e-6 || allEqual) { + for(var i=0; i<16; ++i) { + mat[i] = prev[i] + } + } else { + m4interp(mat, prev, next, (t - time[tidx])/dt) + } + } + + var up = this.computedUp + up[0] = mat[1] + up[1] = mat[5] + up[2] = mat[9] + normalize(up, up) + + var imat = this.computedInverse + invert44(imat, mat) + var eye = this.computedEye + var w = imat[15] + eye[0] = imat[12]/w + eye[1] = imat[13]/w + eye[2] = imat[14]/w + + var center = this.computedCenter + var radius = Math.exp(this.computedRadius[0]) + for(var i=0; i<3; ++i) { + center[i] = eye[i] - mat[2+4*i] * radius + } +} + +proto.idle = function(t) { + if(t < this.lastT()) { + return + } + var mc = this._components + var ptr = mc.length-16 + for(var i=0; i<16; ++i) { + mc.push(mc[ptr++]) + } + this._time.push(t) +} + +proto.flush = function(t) { + var idx = bsearch.gt(this._time, t) - 2 + if(idx < 0) { + return + } + this._time.splice(0, idx) + this._components.splice(0, 16*idx) +} + +proto.lastT = function() { + return this._time[this._time.length-1] +} + +proto.lookAt = function(t, eye, center, up) { + this.recalcMatrix(t) + eye = eye || this.computedEye + center = center || DEFAULT_CENTER + up = up || this.computedUp + this.setMatrix(t, lookAt(this.computedMatrix, eye, center, up)) + var d2 = 0.0 + for(var i=0; i<3; ++i) { + d2 += Math.pow(center[i] - eye[i], 2) + } + d2 = Math.log(Math.sqrt(d2)) + this.computedRadius[0] = d2 +} + +proto.rotate = function(t, yaw, pitch, roll) { + this.recalcMatrix(t) + var mat = this.computedInverse + if(yaw) rotateY(mat, mat, yaw) + if(pitch) rotateX(mat, mat, pitch) + if(roll) rotateZ(mat, mat, roll) + this.setMatrix(t, invert44(this.computedMatrix, mat)) +} + +var tvec = [0,0,0] + +proto.pan = function(t, dx, dy, dz) { + tvec[0] = -(dx || 0.0) + tvec[1] = -(dy || 0.0) + tvec[2] = -(dz || 0.0) + this.recalcMatrix(t) + var mat = this.computedInverse + translate(mat, mat, tvec) + this.setMatrix(t, invert44(mat, mat)) +} + +proto.translate = function(t, dx, dy, dz) { + tvec[0] = dx || 0.0 + tvec[1] = dy || 0.0 + tvec[2] = dz || 0.0 + this.recalcMatrix(t) + var mat = this.computedMatrix + translate(mat, mat, tvec) + this.setMatrix(t, mat) +} + +proto.setMatrix = function(t, mat) { + if(t < this.lastT()) { + return + } + this._time.push(t) + for(var i=0; i<16; ++i) { + this._components.push(mat[i]) + } +} + +proto.setDistance = function(t, d) { + this.computedRadius[0] = d +} + +proto.setDistanceLimits = function(a,b) { + var lim = this._limits + lim[0] = a + lim[1] = b +} + +proto.getDistanceLimits = function(out) { + var lim = this._limits + if(out) { + out[0] = lim[0] + out[1] = lim[1] + return out + } + return lim +} + +function createMatrixCameraController(options) { + options = options || {} + var matrix = options.matrix || + [1,0,0,0, + 0,1,0,0, + 0,0,1,0, + 0,0,0,1] + return new MatrixCameraController(matrix) +} },{"binary-search-bounds":70,"gl-mat4/invert":186,"gl-mat4/lookAt":187,"gl-mat4/rotateX":191,"gl-mat4/rotateY":192,"gl-mat4/rotateZ":193,"gl-mat4/scale":194,"gl-mat4/translate":195,"gl-vec3/normalize":264,"mat4-interpolate":439}],442:[function(require,module,exports){ 'use strict' @@ -78475,83 +78475,83 @@ exports.rank = rank exports.unrank = unrank },{"invert-permutation":280,"typedarray-pool":554}],473:[function(require,module,exports){ -'use strict' - - -module.exports = function pick (src, props, keepRest) { - var result = {}, prop, i - - if (typeof props === 'string') props = toList(props) - if (Array.isArray(props)) { - var res = {} - for (i = 0; i < props.length; i++) { - res[props[i]] = true - } - props = res - } - - // convert strings to lists - for (prop in props) { - props[prop] = toList(props[prop]) - } - - // keep-rest strategy requires unmatched props to be preserved - var occupied = {} - - for (prop in props) { - var aliases = props[prop] - - if (Array.isArray(aliases)) { - for (i = 0; i < aliases.length; i++) { - var alias = aliases[i] - - if (keepRest) { - occupied[alias] = true - } - - if (alias in src) { - result[prop] = src[alias] - - if (keepRest) { - for (var j = i; j < aliases.length; j++) { - occupied[aliases[j]] = true - } - } - - break - } - } - } - else if (prop in src) { - if (props[prop]) { - result[prop] = src[prop] - } - - if (keepRest) { - occupied[prop] = true - } - } - } - - if (keepRest) { - for (prop in src) { - if (occupied[prop]) continue - result[prop] = src[prop] - } - } - - return result -} - -var CACHE = {} - -function toList(arg) { - if (CACHE[arg]) return CACHE[arg] - if (typeof arg === 'string') { - arg = CACHE[arg] = arg.split(/\s*,\s*|\s+/) - } - return arg -} +'use strict' + + +module.exports = function pick (src, props, keepRest) { + var result = {}, prop, i + + if (typeof props === 'string') props = toList(props) + if (Array.isArray(props)) { + var res = {} + for (i = 0; i < props.length; i++) { + res[props[i]] = true + } + props = res + } + + // convert strings to lists + for (prop in props) { + props[prop] = toList(props[prop]) + } + + // keep-rest strategy requires unmatched props to be preserved + var occupied = {} + + for (prop in props) { + var aliases = props[prop] + + if (Array.isArray(aliases)) { + for (i = 0; i < aliases.length; i++) { + var alias = aliases[i] + + if (keepRest) { + occupied[alias] = true + } + + if (alias in src) { + result[prop] = src[alias] + + if (keepRest) { + for (var j = i; j < aliases.length; j++) { + occupied[aliases[j]] = true + } + } + + break + } + } + } + else if (prop in src) { + if (props[prop]) { + result[prop] = src[prop] + } + + if (keepRest) { + occupied[prop] = true + } + } + } + + if (keepRest) { + for (prop in src) { + if (occupied[prop]) continue + result[prop] = src[prop] + } + } + + return result +} + +var CACHE = {} + +function toList(arg) { + if (CACHE[arg]) return CACHE[arg] + if (typeof arg === 'string') { + arg = CACHE[arg] = arg.split(/\s*,\s*|\s+/) + } + return arg +} },{}],474:[function(require,module,exports){ "use strict" @@ -79471,4738 +79471,4738 @@ function BuildLog(){ return my; } -module.exports = BuildLog; +module.exports = BuildLog; + +},{}],481:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// provides the raw computation functions that takes epsilon into account +// +// zero is defined to be between (-epsilon, epsilon) exclusive +// + +function Epsilon(eps){ + if (typeof eps !== 'number') + eps = 0.0000000001; // sane default? sure why not + var my = { + epsilon: function(v){ + if (typeof v === 'number') + eps = v; + return eps; + }, + pointAboveOrOnLine: function(pt, left, right){ + var Ax = left[0]; + var Ay = left[1]; + var Bx = right[0]; + var By = right[1]; + var Cx = pt[0]; + var Cy = pt[1]; + return (Bx - Ax) * (Cy - Ay) - (By - Ay) * (Cx - Ax) >= -eps; + }, + pointBetween: function(p, left, right){ + // p must be collinear with left->right + // returns false if p == left, p == right, or left == right + var d_py_ly = p[1] - left[1]; + var d_rx_lx = right[0] - left[0]; + var d_px_lx = p[0] - left[0]; + var d_ry_ly = right[1] - left[1]; + + var dot = d_px_lx * d_rx_lx + d_py_ly * d_ry_ly; + // if `dot` is 0, then `p` == `left` or `left` == `right` (reject) + // if `dot` is less than 0, then `p` is to the left of `left` (reject) + if (dot < eps) + return false; + + var sqlen = d_rx_lx * d_rx_lx + d_ry_ly * d_ry_ly; + // if `dot` > `sqlen`, then `p` is to the right of `right` (reject) + // therefore, if `dot - sqlen` is greater than 0, then `p` is to the right of `right` (reject) + if (dot - sqlen > -eps) + return false; + + return true; + }, + pointsSameX: function(p1, p2){ + return Math.abs(p1[0] - p2[0]) < eps; + }, + pointsSameY: function(p1, p2){ + return Math.abs(p1[1] - p2[1]) < eps; + }, + pointsSame: function(p1, p2){ + return my.pointsSameX(p1, p2) && my.pointsSameY(p1, p2); + }, + pointsCompare: function(p1, p2){ + // returns -1 if p1 is smaller, 1 if p2 is smaller, 0 if equal + if (my.pointsSameX(p1, p2)) + return my.pointsSameY(p1, p2) ? 0 : (p1[1] < p2[1] ? -1 : 1); + return p1[0] < p2[0] ? -1 : 1; + }, + pointsCollinear: function(pt1, pt2, pt3){ + // does pt1->pt2->pt3 make a straight line? + // essentially this is just checking to see if the slope(pt1->pt2) === slope(pt2->pt3) + // if slopes are equal, then they must be collinear, because they share pt2 + var dx1 = pt1[0] - pt2[0]; + var dy1 = pt1[1] - pt2[1]; + var dx2 = pt2[0] - pt3[0]; + var dy2 = pt2[1] - pt3[1]; + return Math.abs(dx1 * dy2 - dx2 * dy1) < eps; + }, + linesIntersect: function(a0, a1, b0, b1){ + // returns false if the lines are coincident (e.g., parallel or on top of each other) + // + // returns an object if the lines intersect: + // { + // pt: [x, y], where the intersection point is at + // alongA: where intersection point is along A, + // alongB: where intersection point is along B + // } + // + // alongA and alongB will each be one of: -2, -1, 0, 1, 2 + // + // with the following meaning: + // + // -2 intersection point is before segment's first point + // -1 intersection point is directly on segment's first point + // 0 intersection point is between segment's first and second points (exclusive) + // 1 intersection point is directly on segment's second point + // 2 intersection point is after segment's second point + var adx = a1[0] - a0[0]; + var ady = a1[1] - a0[1]; + var bdx = b1[0] - b0[0]; + var bdy = b1[1] - b0[1]; + + var axb = adx * bdy - ady * bdx; + if (Math.abs(axb) < eps) + return false; // lines are coincident + + var dx = a0[0] - b0[0]; + var dy = a0[1] - b0[1]; + + var A = (bdx * dy - bdy * dx) / axb; + var B = (adx * dy - ady * dx) / axb; + + var ret = { + alongA: 0, + alongB: 0, + pt: [ + a0[0] + A * adx, + a0[1] + A * ady + ] + }; + + // categorize where intersection point is along A and B + + if (A <= -eps) + ret.alongA = -2; + else if (A < eps) + ret.alongA = -1; + else if (A - 1 <= -eps) + ret.alongA = 0; + else if (A - 1 < eps) + ret.alongA = 1; + else + ret.alongA = 2; + + if (B <= -eps) + ret.alongB = -2; + else if (B < eps) + ret.alongB = -1; + else if (B - 1 <= -eps) + ret.alongB = 0; + else if (B - 1 < eps) + ret.alongB = 1; + else + ret.alongB = 2; + + return ret; + }, + pointInsideRegion: function(pt, region){ + var x = pt[0]; + var y = pt[1]; + var last_x = region[region.length - 1][0]; + var last_y = region[region.length - 1][1]; + var inside = false; + for (var i = 0; i < region.length; i++){ + var curr_x = region[i][0]; + var curr_y = region[i][1]; + + // if y is between curr_y and last_y, and + // x is to the right of the boundary created by the line + if ((curr_y - y > eps) != (last_y - y > eps) && + (last_x - curr_x) * (y - curr_y) / (last_y - curr_y) + curr_x - x > eps) + inside = !inside + + last_x = curr_x; + last_y = curr_y; + } + return inside; + } + }; + return my; +} + +module.exports = Epsilon; + +},{}],482:[function(require,module,exports){ +// (c) Copyright 2017, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// convert between PolyBool polygon format and GeoJSON formats (Polygon and MultiPolygon) +// + +var GeoJSON = { + // convert a GeoJSON object to a PolyBool polygon + toPolygon: function(PolyBool, geojson){ + + // converts list of LineString's to segments + function GeoPoly(coords){ + // check for empty coords + if (coords.length <= 0) + return PolyBool.segments({ inverted: false, regions: [] }); + + // convert LineString to segments + function LineString(ls){ + // remove tail which should be the same as head + var reg = ls.slice(0, ls.length - 1); + return PolyBool.segments({ inverted: false, regions: [reg] }); + } + + // the first LineString is considered the outside + var out = LineString(coords[0]); + + // the rest of the LineStrings are considered interior holes, so subtract them from the + // current result + for (var i = 1; i < coords.length; i++) + out = PolyBool.selectDifference(PolyBool.combine(out, LineString(coords[i]))); + + return out; + } + + if (geojson.type === 'Polygon'){ + // single polygon, so just convert it and we're done + return PolyBool.polygon(GeoPoly(geojson.coordinates)); + } + else if (geojson.type === 'MultiPolygon'){ + // multiple polygons, so union all the polygons together + var out = PolyBool.segments({ inverted: false, regions: [] }); + for (var i = 0; i < geojson.coordinates.length; i++) + out = PolyBool.selectUnion(PolyBool.combine(out, GeoPoly(geojson.coordinates[i]))); + return PolyBool.polygon(out); + } + throw new Error('PolyBool: Cannot convert GeoJSON object to PolyBool polygon'); + }, + + // convert a PolyBool polygon to a GeoJSON object + fromPolygon: function(PolyBool, eps, poly){ + // make sure out polygon is clean + poly = PolyBool.polygon(PolyBool.segments(poly)); + + // test if r1 is inside r2 + function regionInsideRegion(r1, r2){ + // we're guaranteed no lines intersect (because the polygon is clean), but a vertex + // could be on the edge -- so we just average pt[0] and pt[1] to produce a point on the + // edge of the first line, which cannot be on an edge + return eps.pointInsideRegion([ + (r1[0][0] + r1[1][0]) * 0.5, + (r1[0][1] + r1[1][1]) * 0.5 + ], r2); + } + + // calculate inside heirarchy + // + // _____________________ _______ roots -> A -> F + // | A | | F | | | + // | _______ _______ | | ___ | +-- B +-- G + // | | B | | C | | | | | | | | + // | | ___ | | ___ | | | | | | | +-- D + // | | | D | | | | E | | | | | G | | | + // | | |___| | | |___| | | | | | | +-- C + // | |_______| |_______| | | |___| | | + // |_____________________| |_______| +-- E + + function newNode(region){ + return { + region: region, + children: [] + }; + } + + var roots = newNode(null); + + function addChild(root, region){ + // first check if we're inside any children + for (var i = 0; i < root.children.length; i++){ + var child = root.children[i]; + if (regionInsideRegion(region, child.region)){ + // we are, so insert inside them instead + addChild(child, region); + return; + } + } + + // not inside any children, so check to see if any children are inside us + var node = newNode(region); + for (var i = 0; i < root.children.length; i++){ + var child = root.children[i]; + if (regionInsideRegion(child.region, region)){ + // oops... move the child beneath us, and remove them from root + node.children.push(child); + root.children.splice(i, 1); + i--; + } + } + + // now we can add ourselves + root.children.push(node); + } + + // add all regions to the root + for (var i = 0; i < poly.regions.length; i++){ + var region = poly.regions[i]; + if (region.length < 3) // regions must have at least 3 points (sanity check) + continue; + addChild(roots, region); + } + + // with our heirarchy, we can distinguish between exterior borders, and interior holes + // the root nodes are exterior, children are interior, children's children are exterior, + // children's children's children are interior, etc + + // while we're at it, exteriors are counter-clockwise, and interiors are clockwise + + function forceWinding(region, clockwise){ + // first, see if we're clockwise or counter-clockwise + // https://en.wikipedia.org/wiki/Shoelace_formula + var winding = 0; + var last_x = region[region.length - 1][0]; + var last_y = region[region.length - 1][1]; + var copy = []; + for (var i = 0; i < region.length; i++){ + var curr_x = region[i][0]; + var curr_y = region[i][1]; + copy.push([curr_x, curr_y]); // create a copy while we're at it + winding += curr_y * last_x - curr_x * last_y; + last_x = curr_x; + last_y = curr_y; + } + // this assumes Cartesian coordinates (Y is positive going up) + var isclockwise = winding < 0; + if (isclockwise !== clockwise) + copy.reverse(); + // while we're here, the last point must be the first point... + copy.push([copy[0][0], copy[0][1]]); + return copy; + } + + var geopolys = []; + + function addExterior(node){ + var poly = [forceWinding(node.region, false)]; + geopolys.push(poly); + // children of exteriors are interior + for (var i = 0; i < node.children.length; i++) + poly.push(getInterior(node.children[i])); + } + + function getInterior(node){ + // children of interiors are exterior + for (var i = 0; i < node.children.length; i++) + addExterior(node.children[i]); + // return the clockwise interior + return forceWinding(node.region, true); + } + + // root nodes are exterior + for (var i = 0; i < roots.children.length; i++) + addExterior(roots.children[i]); + + // lastly, construct the approrpriate GeoJSON object + + if (geopolys.length <= 0) // empty GeoJSON Polygon + return { type: 'Polygon', coordinates: [] }; + if (geopolys.length == 1) // use a GeoJSON Polygon + return { type: 'Polygon', coordinates: geopolys[0] }; + return { // otherwise, use a GeoJSON MultiPolygon + type: 'MultiPolygon', + coordinates: geopolys + }; + } +}; + +module.exports = GeoJSON; + +},{}],483:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// this is the core work-horse +// + +var LinkedList = require('./linked-list'); + +function Intersecter(selfIntersection, eps, buildLog){ + // selfIntersection is true/false depending on the phase of the overall algorithm + + // + // segment creation + // + + function segmentNew(start, end){ + return { + id: buildLog ? buildLog.segmentId() : -1, + start: start, + end: end, + myFill: { + above: null, // is there fill above us? + below: null // is there fill below us? + }, + otherFill: null + }; + } + + function segmentCopy(start, end, seg){ + return { + id: buildLog ? buildLog.segmentId() : -1, + start: start, + end: end, + myFill: { + above: seg.myFill.above, + below: seg.myFill.below + }, + otherFill: null + }; + } + + // + // event logic + // + + var event_root = LinkedList.create(); + + function eventCompare(p1_isStart, p1_1, p1_2, p2_isStart, p2_1, p2_2){ + // compare the selected points first + var comp = eps.pointsCompare(p1_1, p2_1); + if (comp !== 0) + return comp; + // the selected points are the same + + if (eps.pointsSame(p1_2, p2_2)) // if the non-selected points are the same too... + return 0; // then the segments are equal + + if (p1_isStart !== p2_isStart) // if one is a start and the other isn't... + return p1_isStart ? 1 : -1; // favor the one that isn't the start + + // otherwise, we'll have to calculate which one is below the other manually + return eps.pointAboveOrOnLine(p1_2, + p2_isStart ? p2_1 : p2_2, // order matters + p2_isStart ? p2_2 : p2_1 + ) ? 1 : -1; + } + + function eventAdd(ev, other_pt){ + event_root.insertBefore(ev, function(here){ + // should ev be inserted before here? + var comp = eventCompare( + ev .isStart, ev .pt, other_pt, + here.isStart, here.pt, here.other.pt + ); + return comp < 0; + }); + } + + function eventAddSegmentStart(seg, primary){ + var ev_start = LinkedList.node({ + isStart: true, + pt: seg.start, + seg: seg, + primary: primary, + other: null, + status: null + }); + eventAdd(ev_start, seg.end); + return ev_start; + } + + function eventAddSegmentEnd(ev_start, seg, primary){ + var ev_end = LinkedList.node({ + isStart: false, + pt: seg.end, + seg: seg, + primary: primary, + other: ev_start, + status: null + }); + ev_start.other = ev_end; + eventAdd(ev_end, ev_start.pt); + } + + function eventAddSegment(seg, primary){ + var ev_start = eventAddSegmentStart(seg, primary); + eventAddSegmentEnd(ev_start, seg, primary); + return ev_start; + } -},{}],481:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + function eventUpdateEnd(ev, end){ + // slides an end backwards + // (start)------------(end) to: + // (start)---(end) -// -// provides the raw computation functions that takes epsilon into account -// -// zero is defined to be between (-epsilon, epsilon) exclusive -// + if (buildLog) + buildLog.segmentChop(ev.seg, end); -function Epsilon(eps){ - if (typeof eps !== 'number') - eps = 0.0000000001; // sane default? sure why not - var my = { - epsilon: function(v){ - if (typeof v === 'number') - eps = v; - return eps; - }, - pointAboveOrOnLine: function(pt, left, right){ - var Ax = left[0]; - var Ay = left[1]; - var Bx = right[0]; - var By = right[1]; - var Cx = pt[0]; - var Cy = pt[1]; - return (Bx - Ax) * (Cy - Ay) - (By - Ay) * (Cx - Ax) >= -eps; - }, - pointBetween: function(p, left, right){ - // p must be collinear with left->right - // returns false if p == left, p == right, or left == right - var d_py_ly = p[1] - left[1]; - var d_rx_lx = right[0] - left[0]; - var d_px_lx = p[0] - left[0]; - var d_ry_ly = right[1] - left[1]; + ev.other.remove(); + ev.seg.end = end; + ev.other.pt = end; + eventAdd(ev.other, ev.pt); + } - var dot = d_px_lx * d_rx_lx + d_py_ly * d_ry_ly; - // if `dot` is 0, then `p` == `left` or `left` == `right` (reject) - // if `dot` is less than 0, then `p` is to the left of `left` (reject) - if (dot < eps) - return false; + function eventDivide(ev, pt){ + var ns = segmentCopy(pt, ev.seg.end, ev.seg); + eventUpdateEnd(ev, pt); + return eventAddSegment(ns, ev.primary); + } - var sqlen = d_rx_lx * d_rx_lx + d_ry_ly * d_ry_ly; - // if `dot` > `sqlen`, then `p` is to the right of `right` (reject) - // therefore, if `dot - sqlen` is greater than 0, then `p` is to the right of `right` (reject) - if (dot - sqlen > -eps) - return false; + function calculate(primaryPolyInverted, secondaryPolyInverted){ + // if selfIntersection is true then there is no secondary polygon, so that isn't used - return true; - }, - pointsSameX: function(p1, p2){ - return Math.abs(p1[0] - p2[0]) < eps; - }, - pointsSameY: function(p1, p2){ - return Math.abs(p1[1] - p2[1]) < eps; - }, - pointsSame: function(p1, p2){ - return my.pointsSameX(p1, p2) && my.pointsSameY(p1, p2); - }, - pointsCompare: function(p1, p2){ - // returns -1 if p1 is smaller, 1 if p2 is smaller, 0 if equal - if (my.pointsSameX(p1, p2)) - return my.pointsSameY(p1, p2) ? 0 : (p1[1] < p2[1] ? -1 : 1); - return p1[0] < p2[0] ? -1 : 1; - }, - pointsCollinear: function(pt1, pt2, pt3){ - // does pt1->pt2->pt3 make a straight line? - // essentially this is just checking to see if the slope(pt1->pt2) === slope(pt2->pt3) - // if slopes are equal, then they must be collinear, because they share pt2 - var dx1 = pt1[0] - pt2[0]; - var dy1 = pt1[1] - pt2[1]; - var dx2 = pt2[0] - pt3[0]; - var dy2 = pt2[1] - pt3[1]; - return Math.abs(dx1 * dy2 - dx2 * dy1) < eps; - }, - linesIntersect: function(a0, a1, b0, b1){ - // returns false if the lines are coincident (e.g., parallel or on top of each other) - // - // returns an object if the lines intersect: - // { - // pt: [x, y], where the intersection point is at - // alongA: where intersection point is along A, - // alongB: where intersection point is along B - // } - // - // alongA and alongB will each be one of: -2, -1, 0, 1, 2 - // - // with the following meaning: - // - // -2 intersection point is before segment's first point - // -1 intersection point is directly on segment's first point - // 0 intersection point is between segment's first and second points (exclusive) - // 1 intersection point is directly on segment's second point - // 2 intersection point is after segment's second point - var adx = a1[0] - a0[0]; - var ady = a1[1] - a0[1]; - var bdx = b1[0] - b0[0]; - var bdy = b1[1] - b0[1]; + // + // status logic + // - var axb = adx * bdy - ady * bdx; - if (Math.abs(axb) < eps) - return false; // lines are coincident + var status_root = LinkedList.create(); - var dx = a0[0] - b0[0]; - var dy = a0[1] - b0[1]; + function statusCompare(ev1, ev2){ + var a1 = ev1.seg.start; + var a2 = ev1.seg.end; + var b1 = ev2.seg.start; + var b2 = ev2.seg.end; - var A = (bdx * dy - bdy * dx) / axb; - var B = (adx * dy - ady * dx) / axb; + if (eps.pointsCollinear(a1, b1, b2)){ + if (eps.pointsCollinear(a2, b1, b2)) + return 1;//eventCompare(true, a1, a2, true, b1, b2); + return eps.pointAboveOrOnLine(a2, b1, b2) ? 1 : -1; + } + return eps.pointAboveOrOnLine(a1, b1, b2) ? 1 : -1; + } - var ret = { - alongA: 0, - alongB: 0, - pt: [ - a0[0] + A * adx, - a0[1] + A * ady - ] - }; + function statusFindSurrounding(ev){ + return status_root.findTransition(function(here){ + var comp = statusCompare(ev, here.ev); + return comp > 0; + }); + } - // categorize where intersection point is along A and B + function checkIntersection(ev1, ev2){ + // returns the segment equal to ev1, or false if nothing equal - if (A <= -eps) - ret.alongA = -2; - else if (A < eps) - ret.alongA = -1; - else if (A - 1 <= -eps) - ret.alongA = 0; - else if (A - 1 < eps) - ret.alongA = 1; - else - ret.alongA = 2; + var seg1 = ev1.seg; + var seg2 = ev2.seg; + var a1 = seg1.start; + var a2 = seg1.end; + var b1 = seg2.start; + var b2 = seg2.end; - if (B <= -eps) - ret.alongB = -2; - else if (B < eps) - ret.alongB = -1; - else if (B - 1 <= -eps) - ret.alongB = 0; - else if (B - 1 < eps) - ret.alongB = 1; - else - ret.alongB = 2; + if (buildLog) + buildLog.checkIntersection(seg1, seg2); - return ret; - }, - pointInsideRegion: function(pt, region){ - var x = pt[0]; - var y = pt[1]; - var last_x = region[region.length - 1][0]; - var last_y = region[region.length - 1][1]; - var inside = false; - for (var i = 0; i < region.length; i++){ - var curr_x = region[i][0]; - var curr_y = region[i][1]; + var i = eps.linesIntersect(a1, a2, b1, b2); - // if y is between curr_y and last_y, and - // x is to the right of the boundary created by the line - if ((curr_y - y > eps) != (last_y - y > eps) && - (last_x - curr_x) * (y - curr_y) / (last_y - curr_y) + curr_x - x > eps) - inside = !inside + if (i === false){ + // segments are parallel or coincident - last_x = curr_x; - last_y = curr_y; + // if points aren't collinear, then the segments are parallel, so no intersections + if (!eps.pointsCollinear(a1, a2, b1)) + return false; + // otherwise, segments are on top of each other somehow (aka coincident) + + if (eps.pointsSame(a1, b2) || eps.pointsSame(a2, b1)) + return false; // segments touch at endpoints... no intersection + + var a1_equ_b1 = eps.pointsSame(a1, b1); + var a2_equ_b2 = eps.pointsSame(a2, b2); + + if (a1_equ_b1 && a2_equ_b2) + return ev2; // segments are exactly equal + + var a1_between = !a1_equ_b1 && eps.pointBetween(a1, b1, b2); + var a2_between = !a2_equ_b2 && eps.pointBetween(a2, b1, b2); + + // handy for debugging: + // buildLog.log({ + // a1_equ_b1: a1_equ_b1, + // a2_equ_b2: a2_equ_b2, + // a1_between: a1_between, + // a2_between: a2_between + // }); + + if (a1_equ_b1){ + if (a2_between){ + // (a1)---(a2) + // (b1)----------(b2) + eventDivide(ev2, a2); + } + else{ + // (a1)----------(a2) + // (b1)---(b2) + eventDivide(ev1, b2); + } + return ev2; + } + else if (a1_between){ + if (!a2_equ_b2){ + // make a2 equal to b2 + if (a2_between){ + // (a1)---(a2) + // (b1)-----------------(b2) + eventDivide(ev2, a2); + } + else{ + // (a1)----------(a2) + // (b1)----------(b2) + eventDivide(ev1, b2); + } + } + + // (a1)---(a2) + // (b1)----------(b2) + eventDivide(ev2, a1); + } } - return inside; + else{ + // otherwise, lines intersect at i.pt, which may or may not be between the endpoints + + // is A divided between its endpoints? (exclusive) + if (i.alongA === 0){ + if (i.alongB === -1) // yes, at exactly b1 + eventDivide(ev1, b1); + else if (i.alongB === 0) // yes, somewhere between B's endpoints + eventDivide(ev1, i.pt); + else if (i.alongB === 1) // yes, at exactly b2 + eventDivide(ev1, b2); + } + + // is B divided between its endpoints? (exclusive) + if (i.alongB === 0){ + if (i.alongA === -1) // yes, at exactly a1 + eventDivide(ev2, a1); + else if (i.alongA === 0) // yes, somewhere between A's endpoints (exclusive) + eventDivide(ev2, i.pt); + else if (i.alongA === 1) // yes, at exactly a2 + eventDivide(ev2, a2); + } + } + return false; } - }; - return my; -} -module.exports = Epsilon; + // + // main event loop + // + var segments = []; + while (!event_root.isEmpty()){ + var ev = event_root.getHead(); -},{}],482:[function(require,module,exports){ -// (c) Copyright 2017, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + if (buildLog) + buildLog.vert(ev.pt[0]); -// -// convert between PolyBool polygon format and GeoJSON formats (Polygon and MultiPolygon) -// + if (ev.isStart){ -var GeoJSON = { - // convert a GeoJSON object to a PolyBool polygon - toPolygon: function(PolyBool, geojson){ + if (buildLog) + buildLog.segmentNew(ev.seg, ev.primary); - // converts list of LineString's to segments - function GeoPoly(coords){ - // check for empty coords - if (coords.length <= 0) - return PolyBool.segments({ inverted: false, regions: [] }); + var surrounding = statusFindSurrounding(ev); + var above = surrounding.before ? surrounding.before.ev : null; + var below = surrounding.after ? surrounding.after.ev : null; - // convert LineString to segments - function LineString(ls){ - // remove tail which should be the same as head - var reg = ls.slice(0, ls.length - 1); - return PolyBool.segments({ inverted: false, regions: [reg] }); - } + if (buildLog){ + buildLog.tempStatus( + ev.seg, + above ? above.seg : false, + below ? below.seg : false + ); + } - // the first LineString is considered the outside - var out = LineString(coords[0]); + function checkBothIntersections(){ + if (above){ + var eve = checkIntersection(ev, above); + if (eve) + return eve; + } + if (below) + return checkIntersection(ev, below); + return false; + } - // the rest of the LineStrings are considered interior holes, so subtract them from the - // current result - for (var i = 1; i < coords.length; i++) - out = PolyBool.selectDifference(PolyBool.combine(out, LineString(coords[i]))); + var eve = checkBothIntersections(); + if (eve){ + // ev and eve are equal + // we'll keep eve and throw away ev - return out; - } + // merge ev.seg's fill information into eve.seg - if (geojson.type === 'Polygon'){ - // single polygon, so just convert it and we're done - return PolyBool.polygon(GeoPoly(geojson.coordinates)); - } - else if (geojson.type === 'MultiPolygon'){ - // multiple polygons, so union all the polygons together - var out = PolyBool.segments({ inverted: false, regions: [] }); - for (var i = 0; i < geojson.coordinates.length; i++) - out = PolyBool.selectUnion(PolyBool.combine(out, GeoPoly(geojson.coordinates[i]))); - return PolyBool.polygon(out); - } - throw new Error('PolyBool: Cannot convert GeoJSON object to PolyBool polygon'); - }, + if (selfIntersection){ + var toggle; // are we a toggling edge? + if (ev.seg.myFill.below === null) + toggle = true; + else + toggle = ev.seg.myFill.above !== ev.seg.myFill.below; - // convert a PolyBool polygon to a GeoJSON object - fromPolygon: function(PolyBool, eps, poly){ - // make sure out polygon is clean - poly = PolyBool.polygon(PolyBool.segments(poly)); + // merge two segments that belong to the same polygon + // think of this as sandwiching two segments together, where `eve.seg` is + // the bottom -- this will cause the above fill flag to toggle + if (toggle) + eve.seg.myFill.above = !eve.seg.myFill.above; + } + else{ + // merge two segments that belong to different polygons + // each segment has distinct knowledge, so no special logic is needed + // note that this can only happen once per segment in this phase, because we + // are guaranteed that all self-intersections are gone + eve.seg.otherFill = ev.seg.myFill; + } - // test if r1 is inside r2 - function regionInsideRegion(r1, r2){ - // we're guaranteed no lines intersect (because the polygon is clean), but a vertex - // could be on the edge -- so we just average pt[0] and pt[1] to produce a point on the - // edge of the first line, which cannot be on an edge - return eps.pointInsideRegion([ - (r1[0][0] + r1[1][0]) * 0.5, - (r1[0][1] + r1[1][1]) * 0.5 - ], r2); - } + if (buildLog) + buildLog.segmentUpdate(eve.seg); - // calculate inside heirarchy - // - // _____________________ _______ roots -> A -> F - // | A | | F | | | - // | _______ _______ | | ___ | +-- B +-- G - // | | B | | C | | | | | | | | - // | | ___ | | ___ | | | | | | | +-- D - // | | | D | | | | E | | | | | G | | | - // | | |___| | | |___| | | | | | | +-- C - // | |_______| |_______| | | |___| | | - // |_____________________| |_______| +-- E + ev.other.remove(); + ev.remove(); + } + + if (event_root.getHead() !== ev){ + // something was inserted before us in the event queue, so loop back around and + // process it before continuing + if (buildLog) + buildLog.rewind(ev.seg); + continue; + } + + // + // calculate fill flags + // + if (selfIntersection){ + var toggle; // are we a toggling edge? + if (ev.seg.myFill.below === null) // if we are a new segment... + toggle = true; // then we toggle + else // we are a segment that has previous knowledge from a division + toggle = ev.seg.myFill.above !== ev.seg.myFill.below; // calculate toggle + + // next, calculate whether we are filled below us + if (!below){ // if nothing is below us... + // we are filled below us if the polygon is inverted + ev.seg.myFill.below = primaryPolyInverted; + } + else{ + // otherwise, we know the answer -- it's the same if whatever is below + // us is filled above it + ev.seg.myFill.below = below.seg.myFill.above; + } + + // since now we know if we're filled below us, we can calculate whether + // we're filled above us by applying toggle to whatever is below us + if (toggle) + ev.seg.myFill.above = !ev.seg.myFill.below; + else + ev.seg.myFill.above = ev.seg.myFill.below; + } + else{ + // now we fill in any missing transition information, since we are all-knowing + // at this point + + if (ev.seg.otherFill === null){ + // if we don't have other information, then we need to figure out if we're + // inside the other polygon + var inside; + if (!below){ + // if nothing is below us, then we're inside if the other polygon is + // inverted + inside = + ev.primary ? secondaryPolyInverted : primaryPolyInverted; + } + else{ // otherwise, something is below us + // so copy the below segment's other polygon's above + if (ev.primary === below.primary) + inside = below.seg.otherFill.above; + else + inside = below.seg.myFill.above; + } + ev.seg.otherFill = { + above: inside, + below: inside + }; + } + } + + if (buildLog){ + buildLog.status( + ev.seg, + above ? above.seg : false, + below ? below.seg : false + ); + } + + // insert the status and remember it for later removal + ev.other.status = surrounding.insert(LinkedList.node({ ev: ev })); + } + else{ + var st = ev.status; + + if (st === null){ + throw new Error('PolyBool: Zero-length segment detected; your epsilon is ' + + 'probably too small or too large'); + } - function newNode(region){ - return { - region: region, - children: [] - }; - } + // removing the status will create two new adjacent edges, so we'll need to check + // for those + if (status_root.exists(st.prev) && status_root.exists(st.next)) + checkIntersection(st.prev.ev, st.next.ev); - var roots = newNode(null); + if (buildLog) + buildLog.statusRemove(st.ev.seg); - function addChild(root, region){ - // first check if we're inside any children - for (var i = 0; i < root.children.length; i++){ - var child = root.children[i]; - if (regionInsideRegion(region, child.region)){ - // we are, so insert inside them instead - addChild(child, region); - return; - } - } + // remove the status + st.remove(); - // not inside any children, so check to see if any children are inside us - var node = newNode(region); - for (var i = 0; i < root.children.length; i++){ - var child = root.children[i]; - if (regionInsideRegion(child.region, region)){ - // oops... move the child beneath us, and remove them from root - node.children.push(child); - root.children.splice(i, 1); - i--; + // if we've reached this point, we've calculated everything there is to know, so + // save the segment for reporting + if (!ev.primary){ + // make sure `seg.myFill` actually points to the primary polygon though + var s = ev.seg.myFill; + ev.seg.myFill = ev.seg.otherFill; + ev.seg.otherFill = s; } + segments.push(ev.seg); } - // now we can add ourselves - root.children.push(node); + // remove the event and continue + event_root.getHead().remove(); } - // add all regions to the root - for (var i = 0; i < poly.regions.length; i++){ - var region = poly.regions[i]; - if (region.length < 3) // regions must have at least 3 points (sanity check) - continue; - addChild(roots, region); - } + if (buildLog) + buildLog.done(); - // with our heirarchy, we can distinguish between exterior borders, and interior holes - // the root nodes are exterior, children are interior, children's children are exterior, - // children's children's children are interior, etc + return segments; + } - // while we're at it, exteriors are counter-clockwise, and interiors are clockwise + // return the appropriate API depending on what we're doing + if (!selfIntersection){ + // performing combination of polygons, so only deal with already-processed segments + return { + calculate: function(segments1, inverted1, segments2, inverted2){ + // segmentsX come from the self-intersection API, or this API + // invertedX is whether we treat that list of segments as an inverted polygon or not + // returns segments that can be used for further operations + segments1.forEach(function(seg){ + eventAddSegment(segmentCopy(seg.start, seg.end, seg), true); + }); + segments2.forEach(function(seg){ + eventAddSegment(segmentCopy(seg.start, seg.end, seg), false); + }); + return calculate(inverted1, inverted2); + } + }; + } - function forceWinding(region, clockwise){ - // first, see if we're clockwise or counter-clockwise - // https://en.wikipedia.org/wiki/Shoelace_formula - var winding = 0; - var last_x = region[region.length - 1][0]; - var last_y = region[region.length - 1][1]; - var copy = []; + // otherwise, performing self-intersection, so deal with regions + return { + addRegion: function(region){ + // regions are a list of points: + // [ [0, 0], [100, 0], [50, 100] ] + // you can add multiple regions before running calculate + var pt1; + var pt2 = region[region.length - 1]; for (var i = 0; i < region.length; i++){ - var curr_x = region[i][0]; - var curr_y = region[i][1]; - copy.push([curr_x, curr_y]); // create a copy while we're at it - winding += curr_y * last_x - curr_x * last_y; - last_x = curr_x; - last_y = curr_y; - } - // this assumes Cartesian coordinates (Y is positive going up) - var isclockwise = winding < 0; - if (isclockwise !== clockwise) - copy.reverse(); - // while we're here, the last point must be the first point... - copy.push([copy[0][0], copy[0][1]]); - return copy; - } + pt1 = pt2; + pt2 = region[i]; - var geopolys = []; + var forward = eps.pointsCompare(pt1, pt2); + if (forward === 0) // points are equal, so we have a zero-length segment + continue; // just skip it - function addExterior(node){ - var poly = [forceWinding(node.region, false)]; - geopolys.push(poly); - // children of exteriors are interior - for (var i = 0; i < node.children.length; i++) - poly.push(getInterior(node.children[i])); + eventAddSegment( + segmentNew( + forward < 0 ? pt1 : pt2, + forward < 0 ? pt2 : pt1 + ), + true + ); + } + }, + calculate: function(inverted){ + // is the polygon inverted? + // returns segments + return calculate(inverted, false); } + }; +} - function getInterior(node){ - // children of interiors are exterior - for (var i = 0; i < node.children.length; i++) - addExterior(node.children[i]); - // return the clockwise interior - return forceWinding(node.region, true); - } +module.exports = Intersecter; - // root nodes are exterior - for (var i = 0; i < roots.children.length; i++) - addExterior(roots.children[i]); +},{"./linked-list":484}],484:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs - // lastly, construct the approrpriate GeoJSON object +// +// simple linked list implementation that allows you to traverse down nodes and save positions +// - if (geopolys.length <= 0) // empty GeoJSON Polygon - return { type: 'Polygon', coordinates: [] }; - if (geopolys.length == 1) // use a GeoJSON Polygon - return { type: 'Polygon', coordinates: geopolys[0] }; - return { // otherwise, use a GeoJSON MultiPolygon - type: 'MultiPolygon', - coordinates: geopolys +var LinkedList = { + create: function(){ + var my = { + root: { root: true, next: null }, + exists: function(node){ + if (node === null || node === my.root) + return false; + return true; + }, + isEmpty: function(){ + return my.root.next === null; + }, + getHead: function(){ + return my.root.next; + }, + insertBefore: function(node, check){ + var last = my.root; + var here = my.root.next; + while (here !== null){ + if (check(here)){ + node.prev = here.prev; + node.next = here; + here.prev.next = node; + here.prev = node; + return; + } + last = here; + here = here.next; + } + last.next = node; + node.prev = last; + node.next = null; + }, + findTransition: function(check){ + var prev = my.root; + var here = my.root.next; + while (here !== null){ + if (check(here)) + break; + prev = here; + here = here.next; + } + return { + before: prev === my.root ? null : prev, + after: here, + insert: function(node){ + node.prev = prev; + node.next = here; + prev.next = node; + if (here !== null) + here.prev = node; + return node; + } + }; + } + }; + return my; + }, + node: function(data){ + data.prev = null; + data.next = null; + data.remove = function(){ + data.prev.next = data.next; + if (data.next) + data.next.prev = data.prev; + data.prev = null; + data.next = null; }; + return data; } }; -module.exports = GeoJSON; +module.exports = LinkedList; -},{}],483:[function(require,module,exports){ +},{}],485:[function(require,module,exports){ // (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc // MIT License // Project Home: https://github.com/voidqk/polybooljs // -// this is the core work-horse +// converts a list of segments into a list of regions, while also removing unnecessary verticies // -var LinkedList = require('./linked-list'); +function SegmentChainer(segments, eps, buildLog){ + var chains = []; + var regions = []; -function Intersecter(selfIntersection, eps, buildLog){ - // selfIntersection is true/false depending on the phase of the overall algorithm + segments.forEach(function(seg){ + var pt1 = seg.start; + var pt2 = seg.end; + if (eps.pointsSame(pt1, pt2)){ + console.warn('PolyBool: Warning: Zero-length segment detected; your epsilon is ' + + 'probably too small or too large'); + return; + } - // - // segment creation - // + if (buildLog) + buildLog.chainStart(seg); - function segmentNew(start, end){ - return { - id: buildLog ? buildLog.segmentId() : -1, - start: start, - end: end, - myFill: { - above: null, // is there fill above us? - below: null // is there fill below us? - }, - otherFill: null + // search for two chains that this segment matches + var first_match = { + index: 0, + matches_head: false, + matches_pt1: false }; - } - - function segmentCopy(start, end, seg){ - return { - id: buildLog ? buildLog.segmentId() : -1, - start: start, - end: end, - myFill: { - above: seg.myFill.above, - below: seg.myFill.below - }, - otherFill: null + var second_match = { + index: 0, + matches_head: false, + matches_pt1: false }; - } + var next_match = first_match; + function setMatch(index, matches_head, matches_pt1){ + // return true if we've matched twice + next_match.index = index; + next_match.matches_head = matches_head; + next_match.matches_pt1 = matches_pt1; + if (next_match === first_match){ + next_match = second_match; + return false; + } + next_match = null; + return true; // we've matched twice, we're done here + } + for (var i = 0; i < chains.length; i++){ + var chain = chains[i]; + var head = chain[0]; + var head2 = chain[1]; + var tail = chain[chain.length - 1]; + var tail2 = chain[chain.length - 2]; + if (eps.pointsSame(head, pt1)){ + if (setMatch(i, true, true)) + break; + } + else if (eps.pointsSame(head, pt2)){ + if (setMatch(i, true, false)) + break; + } + else if (eps.pointsSame(tail, pt1)){ + if (setMatch(i, false, true)) + break; + } + else if (eps.pointsSame(tail, pt2)){ + if (setMatch(i, false, false)) + break; + } + } - // - // event logic - // + if (next_match === first_match){ + // we didn't match anything, so create a new chain + chains.push([ pt1, pt2 ]); + if (buildLog) + buildLog.chainNew(pt1, pt2); + return; + } - var event_root = LinkedList.create(); + if (next_match === second_match){ + // we matched a single chain - function eventCompare(p1_isStart, p1_1, p1_2, p2_isStart, p2_1, p2_2){ - // compare the selected points first - var comp = eps.pointsCompare(p1_1, p2_1); - if (comp !== 0) - return comp; - // the selected points are the same + if (buildLog) + buildLog.chainMatch(first_match.index); - if (eps.pointsSame(p1_2, p2_2)) // if the non-selected points are the same too... - return 0; // then the segments are equal + // add the other point to the apporpriate end, and check to see if we've closed the + // chain into a loop - if (p1_isStart !== p2_isStart) // if one is a start and the other isn't... - return p1_isStart ? 1 : -1; // favor the one that isn't the start + var index = first_match.index; + var pt = first_match.matches_pt1 ? pt2 : pt1; // if we matched pt1, then we add pt2, etc + var addToHead = first_match.matches_head; // if we matched at head, then add to the head - // otherwise, we'll have to calculate which one is below the other manually - return eps.pointAboveOrOnLine(p1_2, - p2_isStart ? p2_1 : p2_2, // order matters - p2_isStart ? p2_2 : p2_1 - ) ? 1 : -1; - } + var chain = chains[index]; + var grow = addToHead ? chain[0] : chain[chain.length - 1]; + var grow2 = addToHead ? chain[1] : chain[chain.length - 2]; + var oppo = addToHead ? chain[chain.length - 1] : chain[0]; + var oppo2 = addToHead ? chain[chain.length - 2] : chain[1]; - function eventAdd(ev, other_pt){ - event_root.insertBefore(ev, function(here){ - // should ev be inserted before here? - var comp = eventCompare( - ev .isStart, ev .pt, other_pt, - here.isStart, here.pt, here.other.pt - ); - return comp < 0; - }); - } + if (eps.pointsCollinear(grow2, grow, pt)){ + // grow isn't needed because it's directly between grow2 and pt: + // grow2 ---grow---> pt + if (addToHead){ + if (buildLog) + buildLog.chainRemoveHead(first_match.index, pt); + chain.shift(); + } + else{ + if (buildLog) + buildLog.chainRemoveTail(first_match.index, pt); + chain.pop(); + } + grow = grow2; // old grow is gone... new grow is what grow2 was + } - function eventAddSegmentStart(seg, primary){ - var ev_start = LinkedList.node({ - isStart: true, - pt: seg.start, - seg: seg, - primary: primary, - other: null, - status: null - }); - eventAdd(ev_start, seg.end); - return ev_start; - } + if (eps.pointsSame(oppo, pt)){ + // we're closing the loop, so remove chain from chains + chains.splice(index, 1); - function eventAddSegmentEnd(ev_start, seg, primary){ - var ev_end = LinkedList.node({ - isStart: false, - pt: seg.end, - seg: seg, - primary: primary, - other: ev_start, - status: null - }); - ev_start.other = ev_end; - eventAdd(ev_end, ev_start.pt); - } + if (eps.pointsCollinear(oppo2, oppo, grow)){ + // oppo isn't needed because it's directly between oppo2 and grow: + // oppo2 ---oppo--->grow + if (addToHead){ + if (buildLog) + buildLog.chainRemoveTail(first_match.index, grow); + chain.pop(); + } + else{ + if (buildLog) + buildLog.chainRemoveHead(first_match.index, grow); + chain.shift(); + } + } - function eventAddSegment(seg, primary){ - var ev_start = eventAddSegmentStart(seg, primary); - eventAddSegmentEnd(ev_start, seg, primary); - return ev_start; - } + if (buildLog) + buildLog.chainClose(first_match.index); - function eventUpdateEnd(ev, end){ - // slides an end backwards - // (start)------------(end) to: - // (start)---(end) + // we have a closed chain! + regions.push(chain); + return; + } - if (buildLog) - buildLog.segmentChop(ev.seg, end); + // not closing a loop, so just add it to the apporpriate side + if (addToHead){ + if (buildLog) + buildLog.chainAddHead(first_match.index, pt); + chain.unshift(pt); + } + else{ + if (buildLog) + buildLog.chainAddTail(first_match.index, pt); + chain.push(pt); + } + return; + } - ev.other.remove(); - ev.seg.end = end; - ev.other.pt = end; - eventAdd(ev.other, ev.pt); - } + // otherwise, we matched two chains, so we need to combine those chains together - function eventDivide(ev, pt){ - var ns = segmentCopy(pt, ev.seg.end, ev.seg); - eventUpdateEnd(ev, pt); - return eventAddSegment(ns, ev.primary); - } + function reverseChain(index){ + if (buildLog) + buildLog.chainReverse(index); + chains[index].reverse(); // gee, that's easy + } - function calculate(primaryPolyInverted, secondaryPolyInverted){ - // if selfIntersection is true then there is no secondary polygon, so that isn't used + function appendChain(index1, index2){ + // index1 gets index2 appended to it, and index2 is removed + var chain1 = chains[index1]; + var chain2 = chains[index2]; + var tail = chain1[chain1.length - 1]; + var tail2 = chain1[chain1.length - 2]; + var head = chain2[0]; + var head2 = chain2[1]; - // - // status logic - // + if (eps.pointsCollinear(tail2, tail, head)){ + // tail isn't needed because it's directly between tail2 and head + // tail2 ---tail---> head + if (buildLog) + buildLog.chainRemoveTail(index1, tail); + chain1.pop(); + tail = tail2; // old tail is gone... new tail is what tail2 was + } + + if (eps.pointsCollinear(tail, head, head2)){ + // head isn't needed because it's directly between tail and head2 + // tail ---head---> head2 + if (buildLog) + buildLog.chainRemoveHead(index2, head); + chain2.shift(); + } + + if (buildLog) + buildLog.chainJoin(index1, index2); + chains[index1] = chain1.concat(chain2); + chains.splice(index2, 1); + } - var status_root = LinkedList.create(); + var F = first_match.index; + var S = second_match.index; - function statusCompare(ev1, ev2){ - var a1 = ev1.seg.start; - var a2 = ev1.seg.end; - var b1 = ev2.seg.start; - var b2 = ev2.seg.end; + if (buildLog) + buildLog.chainConnect(F, S); - if (eps.pointsCollinear(a1, b1, b2)){ - if (eps.pointsCollinear(a2, b1, b2)) - return 1;//eventCompare(true, a1, a2, true, b1, b2); - return eps.pointAboveOrOnLine(a2, b1, b2) ? 1 : -1; + var reverseF = chains[F].length < chains[S].length; // reverse the shorter chain, if needed + if (first_match.matches_head){ + if (second_match.matches_head){ + if (reverseF){ + // <<<< F <<<< --- >>>> S >>>> + reverseChain(F); + // >>>> F >>>> --- >>>> S >>>> + appendChain(F, S); + } + else{ + // <<<< F <<<< --- >>>> S >>>> + reverseChain(S); + // <<<< F <<<< --- <<<< S <<<< logically same as: + // >>>> S >>>> --- >>>> F >>>> + appendChain(S, F); + } + } + else{ + // <<<< F <<<< --- <<<< S <<<< logically same as: + // >>>> S >>>> --- >>>> F >>>> + appendChain(S, F); + } + } + else{ + if (second_match.matches_head){ + // >>>> F >>>> --- >>>> S >>>> + appendChain(F, S); + } + else{ + if (reverseF){ + // >>>> F >>>> --- <<<< S <<<< + reverseChain(F); + // <<<< F <<<< --- <<<< S <<<< logically same as: + // >>>> S >>>> --- >>>> F >>>> + appendChain(S, F); + } + else{ + // >>>> F >>>> --- <<<< S <<<< + reverseChain(S); + // >>>> F >>>> --- >>>> S >>>> + appendChain(F, S); + } } - return eps.pointAboveOrOnLine(a1, b1, b2) ? 1 : -1; } + }); - function statusFindSurrounding(ev){ - return status_root.findTransition(function(here){ - var comp = statusCompare(ev, here.ev); - return comp > 0; + return regions; +} + +module.exports = SegmentChainer; + +},{}],486:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// filter a list of segments based on boolean operations +// + +function select(segments, selection, buildLog){ + var result = []; + segments.forEach(function(seg){ + var index = + (seg.myFill.above ? 8 : 0) + + (seg.myFill.below ? 4 : 0) + + ((seg.otherFill && seg.otherFill.above) ? 2 : 0) + + ((seg.otherFill && seg.otherFill.below) ? 1 : 0); + if (selection[index] !== 0){ + // copy the segment to the results, while also calculating the fill status + result.push({ + id: buildLog ? buildLog.segmentId() : -1, + start: seg.start, + end: seg.end, + myFill: { + above: selection[index] === 1, // 1 if filled above + below: selection[index] === 2 // 2 if filled below + }, + otherFill: null }); } + }); - function checkIntersection(ev1, ev2){ - // returns the segment equal to ev1, or false if nothing equal + if (buildLog) + buildLog.selected(result); - var seg1 = ev1.seg; - var seg2 = ev2.seg; - var a1 = seg1.start; - var a2 = seg1.end; - var b1 = seg2.start; - var b2 = seg2.end; + return result; +} - if (buildLog) - buildLog.checkIntersection(seg1, seg2); +var SegmentSelector = { + union: function(segments, buildLog){ // primary | secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => yes filled below 2 + // 0 0 1 0 => yes filled above 1 + // 0 0 1 1 => no 0 + // 0 1 0 0 => yes filled below 2 + // 0 1 0 1 => yes filled below 2 + // 0 1 1 0 => no 0 + // 0 1 1 1 => no 0 + // 1 0 0 0 => yes filled above 1 + // 1 0 0 1 => no 0 + // 1 0 1 0 => yes filled above 1 + // 1 0 1 1 => no 0 + // 1 1 0 0 => no 0 + // 1 1 0 1 => no 0 + // 1 1 1 0 => no 0 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 2, 1, 0, + 2, 2, 0, 0, + 1, 0, 1, 0, + 0, 0, 0, 0 + ], buildLog); + }, + intersect: function(segments, buildLog){ // primary & secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => no 0 + // 0 0 1 0 => no 0 + // 0 0 1 1 => no 0 + // 0 1 0 0 => no 0 + // 0 1 0 1 => yes filled below 2 + // 0 1 1 0 => no 0 + // 0 1 1 1 => yes filled below 2 + // 1 0 0 0 => no 0 + // 1 0 0 1 => no 0 + // 1 0 1 0 => yes filled above 1 + // 1 0 1 1 => yes filled above 1 + // 1 1 0 0 => no 0 + // 1 1 0 1 => yes filled below 2 + // 1 1 1 0 => yes filled above 1 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 0, 0, 0, + 0, 2, 0, 2, + 0, 0, 1, 1, + 0, 2, 1, 0 + ], buildLog); + }, + difference: function(segments, buildLog){ // primary - secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => no 0 + // 0 0 1 0 => no 0 + // 0 0 1 1 => no 0 + // 0 1 0 0 => yes filled below 2 + // 0 1 0 1 => no 0 + // 0 1 1 0 => yes filled below 2 + // 0 1 1 1 => no 0 + // 1 0 0 0 => yes filled above 1 + // 1 0 0 1 => yes filled above 1 + // 1 0 1 0 => no 0 + // 1 0 1 1 => no 0 + // 1 1 0 0 => no 0 + // 1 1 0 1 => yes filled above 1 + // 1 1 1 0 => yes filled below 2 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 0, 0, 0, + 2, 0, 2, 0, + 1, 1, 0, 0, + 0, 1, 2, 0 + ], buildLog); + }, + differenceRev: function(segments, buildLog){ // secondary - primary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => yes filled below 2 + // 0 0 1 0 => yes filled above 1 + // 0 0 1 1 => no 0 + // 0 1 0 0 => no 0 + // 0 1 0 1 => no 0 + // 0 1 1 0 => yes filled above 1 + // 0 1 1 1 => yes filled above 1 + // 1 0 0 0 => no 0 + // 1 0 0 1 => yes filled below 2 + // 1 0 1 0 => no 0 + // 1 0 1 1 => yes filled below 2 + // 1 1 0 0 => no 0 + // 1 1 0 1 => no 0 + // 1 1 1 0 => no 0 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 2, 1, 0, + 0, 0, 1, 1, + 0, 2, 0, 2, + 0, 0, 0, 0 + ], buildLog); + }, + xor: function(segments, buildLog){ // primary ^ secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => yes filled below 2 + // 0 0 1 0 => yes filled above 1 + // 0 0 1 1 => no 0 + // 0 1 0 0 => yes filled below 2 + // 0 1 0 1 => no 0 + // 0 1 1 0 => no 0 + // 0 1 1 1 => yes filled above 1 + // 1 0 0 0 => yes filled above 1 + // 1 0 0 1 => no 0 + // 1 0 1 0 => no 0 + // 1 0 1 1 => yes filled below 2 + // 1 1 0 0 => no 0 + // 1 1 0 1 => yes filled above 1 + // 1 1 1 0 => yes filled below 2 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 2, 1, 0, + 2, 0, 0, 1, + 1, 0, 0, 2, + 0, 1, 2, 0 + ], buildLog); + } +}; - var i = eps.linesIntersect(a1, a2, b1, b2); +module.exports = SegmentSelector; - if (i === false){ - // segments are parallel or coincident +},{}],487:[function(require,module,exports){ +//Optimized version for triangle closest point +// Based on Eberly's WildMagick codes +// http://www.geometrictools.com/LibMathematics/Distance/Distance.html +"use strict"; - // if points aren't collinear, then the segments are parallel, so no intersections - if (!eps.pointsCollinear(a1, a2, b1)) - return false; - // otherwise, segments are on top of each other somehow (aka coincident) +var diff = new Float64Array(4); +var edge0 = new Float64Array(4); +var edge1 = new Float64Array(4); - if (eps.pointsSame(a1, b2) || eps.pointsSame(a2, b1)) - return false; // segments touch at endpoints... no intersection +function closestPoint2d(V0, V1, V2, point, result) { + //Reallocate buffers if necessary + if(diff.length < point.length) { + diff = new Float64Array(point.length); + edge0 = new Float64Array(point.length); + edge1 = new Float64Array(point.length); + } + //Compute edges + for(var i=0; i= a00) { + s = 1.0; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = -b0/a00; + sqrDistance = b0*s + c; + } + } else { + s = 0; + if (b1 >= 0) { + t = 0; + sqrDistance = c; + } else if (-b1 >= a11) { + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else { + t = -b1/a11; + sqrDistance = b1*t + c; + } + } + } else { // region 3 + s = 0; + if (b1 >= 0) { + t = 0; + sqrDistance = c; + } else if (-b1 >= a11) { + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else { + t = -b1/a11; + sqrDistance = b1*t + c; + } + } + } else if (t < 0) { // region 5 + t = 0; + if (b0 >= 0) { + s = 0; + sqrDistance = c; + } else if (-b0 >= a00) { + s = 1; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = -b0/a00; + sqrDistance = b0*s + c; + } + } else { // region 0 + // minimum at interior point + var invDet = 1.0 / det; + s *= invDet; + t *= invDet; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + t*(a01*s + a11*t + 2.0*b1) + c; + } + } else { + var tmp0, tmp1, numer, denom; + + if (s < 0) { // region 2 + tmp0 = a01 + b0; + tmp1 = a11 + b1; + if (tmp1 > tmp0) { + numer = tmp1 - tmp0; + denom = a00 - 2.0*a01 + a11; + if (numer >= denom) { + s = 1; + t = 0; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = numer/denom; + t = 1 - s; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + + t*(a01*s + a11*t + 2.0*b1) + c; + } + } else { + s = 0; + if (tmp1 <= 0) { + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else if (b1 >= 0) { + t = 0; + sqrDistance = c; + } else { + t = -b1/a11; + sqrDistance = b1*t + c; + } + } + } else if (t < 0) { // region 6 + tmp0 = a01 + b1; + tmp1 = a00 + b0; + if (tmp1 > tmp0) { + numer = tmp1 - tmp0; + denom = a00 - 2.0*a01 + a11; + if (numer >= denom) { + t = 1; + s = 0; + sqrDistance = a11 + 2.0*b1 + c; + } else { + t = numer/denom; + s = 1 - t; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + + t*(a01*s + a11*t + 2.0*b1) + c; + } + } else { + t = 0; + if (tmp1 <= 0) { + s = 1; + sqrDistance = a00 + 2.0*b0 + c; + } else if (b0 >= 0) { + s = 0; + sqrDistance = c; + } else { + s = -b0/a00; + sqrDistance = b0*s + c; + } + } + } else { // region 1 + numer = a11 + b1 - a01 - b0; + if (numer <= 0) { + s = 0; + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else { + denom = a00 - 2.0*a01 + a11; + if (numer >= denom) { + s = 1; + t = 0; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = numer/denom; + t = 1 - s; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + + t*(a01*s + a11*t + 2.0*b1) + c; + } + } + } + } + var u = 1.0 - s - t; + for(var i=0; i 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; - if (buildLog){ - buildLog.tempStatus( - ev.seg, - above ? above.seg : false, - below ? below.seg : false - ); - } +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; - function checkBothIntersections(){ - if (above){ - var eve = checkIntersection(ev, above); - if (eve) - return eve; - } - if (below) - return checkIntersection(ev, below); - return false; - } +function noop() {} - var eve = checkBothIntersections(); - if (eve){ - // ev and eve are equal - // we'll keep eve and throw away ev +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; - // merge ev.seg's fill information into eve.seg +process.listeners = function (name) { return [] } - if (selfIntersection){ - var toggle; // are we a toggling edge? - if (ev.seg.myFill.below === null) - toggle = true; - else - toggle = ev.seg.myFill.above !== ev.seg.myFill.below; +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; - // merge two segments that belong to the same polygon - // think of this as sandwiching two segments together, where `eve.seg` is - // the bottom -- this will cause the above fill flag to toggle - if (toggle) - eve.seg.myFill.above = !eve.seg.myFill.above; - } - else{ - // merge two segments that belong to different polygons - // each segment has distinct knowledge, so no special logic is needed - // note that this can only happen once per segment in this phase, because we - // are guaranteed that all self-intersections are gone - eve.seg.otherFill = ev.seg.myFill; - } +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; - if (buildLog) - buildLog.segmentUpdate(eve.seg); +},{}],489:[function(require,module,exports){ +(function (global){ +/*! https://mths.be/punycode v1.4.1 by @mathias */ +;(function(root) { - ev.other.remove(); - ev.remove(); - } + /** Detect free variables */ + var freeExports = typeof exports == 'object' && exports && + !exports.nodeType && exports; + var freeModule = typeof module == 'object' && module && + !module.nodeType && module; + var freeGlobal = typeof global == 'object' && global; + if ( + freeGlobal.global === freeGlobal || + freeGlobal.window === freeGlobal || + freeGlobal.self === freeGlobal + ) { + root = freeGlobal; + } - if (event_root.getHead() !== ev){ - // something was inserted before us in the event queue, so loop back around and - // process it before continuing - if (buildLog) - buildLog.rewind(ev.seg); - continue; - } + /** + * The `punycode` object. + * @name punycode + * @type Object + */ + var punycode, - // - // calculate fill flags - // - if (selfIntersection){ - var toggle; // are we a toggling edge? - if (ev.seg.myFill.below === null) // if we are a new segment... - toggle = true; // then we toggle - else // we are a segment that has previous knowledge from a division - toggle = ev.seg.myFill.above !== ev.seg.myFill.below; // calculate toggle + /** Highest positive signed 32-bit float value */ + maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 - // next, calculate whether we are filled below us - if (!below){ // if nothing is below us... - // we are filled below us if the polygon is inverted - ev.seg.myFill.below = primaryPolyInverted; - } - else{ - // otherwise, we know the answer -- it's the same if whatever is below - // us is filled above it - ev.seg.myFill.below = below.seg.myFill.above; - } + /** Bootstring parameters */ + base = 36, + tMin = 1, + tMax = 26, + skew = 38, + damp = 700, + initialBias = 72, + initialN = 128, // 0x80 + delimiter = '-', // '\x2D' - // since now we know if we're filled below us, we can calculate whether - // we're filled above us by applying toggle to whatever is below us - if (toggle) - ev.seg.myFill.above = !ev.seg.myFill.below; - else - ev.seg.myFill.above = ev.seg.myFill.below; - } - else{ - // now we fill in any missing transition information, since we are all-knowing - // at this point + /** Regular expressions */ + regexPunycode = /^xn--/, + regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars + regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators - if (ev.seg.otherFill === null){ - // if we don't have other information, then we need to figure out if we're - // inside the other polygon - var inside; - if (!below){ - // if nothing is below us, then we're inside if the other polygon is - // inverted - inside = - ev.primary ? secondaryPolyInverted : primaryPolyInverted; - } - else{ // otherwise, something is below us - // so copy the below segment's other polygon's above - if (ev.primary === below.primary) - inside = below.seg.otherFill.above; - else - inside = below.seg.myFill.above; - } - ev.seg.otherFill = { - above: inside, - below: inside - }; - } - } + /** Error messages */ + errors = { + 'overflow': 'Overflow: input needs wider integers to process', + 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', + 'invalid-input': 'Invalid input' + }, - if (buildLog){ - buildLog.status( - ev.seg, - above ? above.seg : false, - below ? below.seg : false - ); - } + /** Convenience shortcuts */ + baseMinusTMin = base - tMin, + floor = Math.floor, + stringFromCharCode = String.fromCharCode, - // insert the status and remember it for later removal - ev.other.status = surrounding.insert(LinkedList.node({ ev: ev })); - } - else{ - var st = ev.status; + /** Temporary variable */ + key; - if (st === null){ - throw new Error('PolyBool: Zero-length segment detected; your epsilon is ' + - 'probably too small or too large'); - } + /*--------------------------------------------------------------------------*/ - // removing the status will create two new adjacent edges, so we'll need to check - // for those - if (status_root.exists(st.prev) && status_root.exists(st.next)) - checkIntersection(st.prev.ev, st.next.ev); + /** + * A generic error utility function. + * @private + * @param {String} type The error type. + * @returns {Error} Throws a `RangeError` with the applicable error message. + */ + function error(type) { + throw new RangeError(errors[type]); + } - if (buildLog) - buildLog.statusRemove(st.ev.seg); + /** + * A generic `Array#map` utility function. + * @private + * @param {Array} array The array to iterate over. + * @param {Function} callback The function that gets called for every array + * item. + * @returns {Array} A new array of values returned by the callback function. + */ + function map(array, fn) { + var length = array.length; + var result = []; + while (length--) { + result[length] = fn(array[length]); + } + return result; + } - // remove the status - st.remove(); + /** + * A simple `Array#map`-like wrapper to work with domain name strings or email + * addresses. + * @private + * @param {String} domain The domain name or email address. + * @param {Function} callback The function that gets called for every + * character. + * @returns {Array} A new string of characters returned by the callback + * function. + */ + function mapDomain(string, fn) { + var parts = string.split('@'); + var result = ''; + if (parts.length > 1) { + // In email addresses, only the domain name should be punycoded. Leave + // the local part (i.e. everything up to `@`) intact. + result = parts[0] + '@'; + string = parts[1]; + } + // Avoid `split(regex)` for IE8 compatibility. See #17. + string = string.replace(regexSeparators, '\x2E'); + var labels = string.split('.'); + var encoded = map(labels, fn).join('.'); + return result + encoded; + } - // if we've reached this point, we've calculated everything there is to know, so - // save the segment for reporting - if (!ev.primary){ - // make sure `seg.myFill` actually points to the primary polygon though - var s = ev.seg.myFill; - ev.seg.myFill = ev.seg.otherFill; - ev.seg.otherFill = s; + /** + * Creates an array containing the numeric code points of each Unicode + * character in the string. While JavaScript uses UCS-2 internally, + * this function will convert a pair of surrogate halves (each of which + * UCS-2 exposes as separate characters) into a single code point, + * matching UTF-16. + * @see `punycode.ucs2.encode` + * @see + * @memberOf punycode.ucs2 + * @name decode + * @param {String} string The Unicode input string (UCS-2). + * @returns {Array} The new array of code points. + */ + function ucs2decode(string) { + var output = [], + counter = 0, + length = string.length, + value, + extra; + while (counter < length) { + value = string.charCodeAt(counter++); + if (value >= 0xD800 && value <= 0xDBFF && counter < length) { + // high surrogate, and there is a next character + extra = string.charCodeAt(counter++); + if ((extra & 0xFC00) == 0xDC00) { // low surrogate + output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); + } else { + // unmatched surrogate; only append this code unit, in case the next + // code unit is the high surrogate of a surrogate pair + output.push(value); + counter--; } - segments.push(ev.seg); + } else { + output.push(value); } - - // remove the event and continue - event_root.getHead().remove(); } + return output; + } - if (buildLog) - buildLog.done(); + /** + * Creates a string based on an array of numeric code points. + * @see `punycode.ucs2.decode` + * @memberOf punycode.ucs2 + * @name encode + * @param {Array} codePoints The array of numeric code points. + * @returns {String} The new Unicode string (UCS-2). + */ + function ucs2encode(array) { + return map(array, function(value) { + var output = ''; + if (value > 0xFFFF) { + value -= 0x10000; + output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); + value = 0xDC00 | value & 0x3FF; + } + output += stringFromCharCode(value); + return output; + }).join(''); + } - return segments; + /** + * Converts a basic code point into a digit/integer. + * @see `digitToBasic()` + * @private + * @param {Number} codePoint The basic numeric code point value. + * @returns {Number} The numeric value of a basic code point (for use in + * representing integers) in the range `0` to `base - 1`, or `base` if + * the code point does not represent a value. + */ + function basicToDigit(codePoint) { + if (codePoint - 48 < 10) { + return codePoint - 22; + } + if (codePoint - 65 < 26) { + return codePoint - 65; + } + if (codePoint - 97 < 26) { + return codePoint - 97; + } + return base; + } + + /** + * Converts a digit/integer into a basic code point. + * @see `basicToDigit()` + * @private + * @param {Number} digit The numeric value of a basic code point. + * @returns {Number} The basic code point whose value (when used for + * representing integers) is `digit`, which needs to be in the range + * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is + * used; else, the lowercase form is used. The behavior is undefined + * if `flag` is non-zero and `digit` has no uppercase form. + */ + function digitToBasic(digit, flag) { + // 0..25 map to ASCII a..z or A..Z + // 26..35 map to ASCII 0..9 + return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); } - // return the appropriate API depending on what we're doing - if (!selfIntersection){ - // performing combination of polygons, so only deal with already-processed segments - return { - calculate: function(segments1, inverted1, segments2, inverted2){ - // segmentsX come from the self-intersection API, or this API - // invertedX is whether we treat that list of segments as an inverted polygon or not - // returns segments that can be used for further operations - segments1.forEach(function(seg){ - eventAddSegment(segmentCopy(seg.start, seg.end, seg), true); - }); - segments2.forEach(function(seg){ - eventAddSegment(segmentCopy(seg.start, seg.end, seg), false); - }); - return calculate(inverted1, inverted2); - } - }; + /** + * Bias adaptation function as per section 3.4 of RFC 3492. + * https://tools.ietf.org/html/rfc3492#section-3.4 + * @private + */ + function adapt(delta, numPoints, firstTime) { + var k = 0; + delta = firstTime ? floor(delta / damp) : delta >> 1; + delta += floor(delta / numPoints); + for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { + delta = floor(delta / baseMinusTMin); + } + return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); } - // otherwise, performing self-intersection, so deal with regions - return { - addRegion: function(region){ - // regions are a list of points: - // [ [0, 0], [100, 0], [50, 100] ] - // you can add multiple regions before running calculate - var pt1; - var pt2 = region[region.length - 1]; - for (var i = 0; i < region.length; i++){ - pt1 = pt2; - pt2 = region[i]; + /** + * Converts a Punycode string of ASCII-only symbols to a string of Unicode + * symbols. + * @memberOf punycode + * @param {String} input The Punycode string of ASCII-only symbols. + * @returns {String} The resulting string of Unicode symbols. + */ + function decode(input) { + // Don't use UCS-2 + var output = [], + inputLength = input.length, + out, + i = 0, + n = initialN, + bias = initialBias, + basic, + j, + index, + oldi, + w, + k, + digit, + t, + /** Cached calculation results */ + baseMinusT; - var forward = eps.pointsCompare(pt1, pt2); - if (forward === 0) // points are equal, so we have a zero-length segment - continue; // just skip it + // Handle the basic code points: let `basic` be the number of input code + // points before the last delimiter, or `0` if there is none, then copy + // the first basic code points to the output. - eventAddSegment( - segmentNew( - forward < 0 ? pt1 : pt2, - forward < 0 ? pt2 : pt1 - ), - true - ); + basic = input.lastIndexOf(delimiter); + if (basic < 0) { + basic = 0; + } + + for (j = 0; j < basic; ++j) { + // if it's not a basic code point + if (input.charCodeAt(j) >= 0x80) { + error('not-basic'); } - }, - calculate: function(inverted){ - // is the polygon inverted? - // returns segments - return calculate(inverted, false); + output.push(input.charCodeAt(j)); } - }; -} -module.exports = Intersecter; + // Main decoding loop: start just after the last delimiter if any basic code + // points were copied; start at the beginning otherwise. -},{"./linked-list":484}],484:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { -// -// simple linked list implementation that allows you to traverse down nodes and save positions -// + // `index` is the index of the next character to be consumed. + // Decode a generalized variable-length integer into `delta`, + // which gets added to `i`. The overflow checking is easier + // if we increase `i` as we go, then subtract off its starting + // value at the end to obtain `delta`. + for (oldi = i, w = 1, k = base; /* no condition */; k += base) { -var LinkedList = { - create: function(){ - var my = { - root: { root: true, next: null }, - exists: function(node){ - if (node === null || node === my.root) - return false; - return true; - }, - isEmpty: function(){ - return my.root.next === null; - }, - getHead: function(){ - return my.root.next; - }, - insertBefore: function(node, check){ - var last = my.root; - var here = my.root.next; - while (here !== null){ - if (check(here)){ - node.prev = here.prev; - node.next = here; - here.prev.next = node; - here.prev = node; - return; - } - last = here; - here = here.next; - } - last.next = node; - node.prev = last; - node.next = null; - }, - findTransition: function(check){ - var prev = my.root; - var here = my.root.next; - while (here !== null){ - if (check(here)) - break; - prev = here; - here = here.next; + if (index >= inputLength) { + error('invalid-input'); } - return { - before: prev === my.root ? null : prev, - after: here, - insert: function(node){ - node.prev = prev; - node.next = here; - prev.next = node; - if (here !== null) - here.prev = node; - return node; - } - }; - } - }; - return my; - }, - node: function(data){ - data.prev = null; - data.next = null; - data.remove = function(){ - data.prev.next = data.next; - if (data.next) - data.next.prev = data.prev; - data.prev = null; - data.next = null; - }; - return data; - } -}; -module.exports = LinkedList; + digit = basicToDigit(input.charCodeAt(index++)); -},{}],485:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + if (digit >= base || digit > floor((maxInt - i) / w)) { + error('overflow'); + } -// -// converts a list of segments into a list of regions, while also removing unnecessary verticies -// + i += digit * w; + t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); -function SegmentChainer(segments, eps, buildLog){ - var chains = []; - var regions = []; + if (digit < t) { + break; + } - segments.forEach(function(seg){ - var pt1 = seg.start; - var pt2 = seg.end; - if (eps.pointsSame(pt1, pt2)){ - console.warn('PolyBool: Warning: Zero-length segment detected; your epsilon is ' + - 'probably too small or too large'); - return; - } + baseMinusT = base - t; + if (w > floor(maxInt / baseMinusT)) { + error('overflow'); + } - if (buildLog) - buildLog.chainStart(seg); + w *= baseMinusT; - // search for two chains that this segment matches - var first_match = { - index: 0, - matches_head: false, - matches_pt1: false - }; - var second_match = { - index: 0, - matches_head: false, - matches_pt1: false - }; - var next_match = first_match; - function setMatch(index, matches_head, matches_pt1){ - // return true if we've matched twice - next_match.index = index; - next_match.matches_head = matches_head; - next_match.matches_pt1 = matches_pt1; - if (next_match === first_match){ - next_match = second_match; - return false; - } - next_match = null; - return true; // we've matched twice, we're done here - } - for (var i = 0; i < chains.length; i++){ - var chain = chains[i]; - var head = chain[0]; - var head2 = chain[1]; - var tail = chain[chain.length - 1]; - var tail2 = chain[chain.length - 2]; - if (eps.pointsSame(head, pt1)){ - if (setMatch(i, true, true)) - break; } - else if (eps.pointsSame(head, pt2)){ - if (setMatch(i, true, false)) - break; - } - else if (eps.pointsSame(tail, pt1)){ - if (setMatch(i, false, true)) - break; - } - else if (eps.pointsSame(tail, pt2)){ - if (setMatch(i, false, false)) - break; - } - } - - if (next_match === first_match){ - // we didn't match anything, so create a new chain - chains.push([ pt1, pt2 ]); - if (buildLog) - buildLog.chainNew(pt1, pt2); - return; - } - if (next_match === second_match){ - // we matched a single chain + out = output.length + 1; + bias = adapt(i - oldi, out, oldi == 0); - if (buildLog) - buildLog.chainMatch(first_match.index); + // `i` was supposed to wrap around from `out` to `0`, + // incrementing `n` each time, so we'll fix that now: + if (floor(i / out) > maxInt - n) { + error('overflow'); + } - // add the other point to the apporpriate end, and check to see if we've closed the - // chain into a loop + n += floor(i / out); + i %= out; - var index = first_match.index; - var pt = first_match.matches_pt1 ? pt2 : pt1; // if we matched pt1, then we add pt2, etc - var addToHead = first_match.matches_head; // if we matched at head, then add to the head + // Insert `n` at position `i` of the output + output.splice(i++, 0, n); - var chain = chains[index]; - var grow = addToHead ? chain[0] : chain[chain.length - 1]; - var grow2 = addToHead ? chain[1] : chain[chain.length - 2]; - var oppo = addToHead ? chain[chain.length - 1] : chain[0]; - var oppo2 = addToHead ? chain[chain.length - 2] : chain[1]; + } - if (eps.pointsCollinear(grow2, grow, pt)){ - // grow isn't needed because it's directly between grow2 and pt: - // grow2 ---grow---> pt - if (addToHead){ - if (buildLog) - buildLog.chainRemoveHead(first_match.index, pt); - chain.shift(); - } - else{ - if (buildLog) - buildLog.chainRemoveTail(first_match.index, pt); - chain.pop(); - } - grow = grow2; // old grow is gone... new grow is what grow2 was - } + return ucs2encode(output); + } - if (eps.pointsSame(oppo, pt)){ - // we're closing the loop, so remove chain from chains - chains.splice(index, 1); + /** + * Converts a string of Unicode symbols (e.g. a domain name label) to a + * Punycode string of ASCII-only symbols. + * @memberOf punycode + * @param {String} input The string of Unicode symbols. + * @returns {String} The resulting Punycode string of ASCII-only symbols. + */ + function encode(input) { + var n, + delta, + handledCPCount, + basicLength, + bias, + j, + m, + q, + k, + t, + currentValue, + output = [], + /** `inputLength` will hold the number of code points in `input`. */ + inputLength, + /** Cached calculation results */ + handledCPCountPlusOne, + baseMinusT, + qMinusT; - if (eps.pointsCollinear(oppo2, oppo, grow)){ - // oppo isn't needed because it's directly between oppo2 and grow: - // oppo2 ---oppo--->grow - if (addToHead){ - if (buildLog) - buildLog.chainRemoveTail(first_match.index, grow); - chain.pop(); - } - else{ - if (buildLog) - buildLog.chainRemoveHead(first_match.index, grow); - chain.shift(); - } - } + // Convert the input in UCS-2 to Unicode + input = ucs2decode(input); - if (buildLog) - buildLog.chainClose(first_match.index); + // Cache the length + inputLength = input.length; - // we have a closed chain! - regions.push(chain); - return; - } + // Initialize the state + n = initialN; + delta = 0; + bias = initialBias; - // not closing a loop, so just add it to the apporpriate side - if (addToHead){ - if (buildLog) - buildLog.chainAddHead(first_match.index, pt); - chain.unshift(pt); - } - else{ - if (buildLog) - buildLog.chainAddTail(first_match.index, pt); - chain.push(pt); + // Handle the basic code points + for (j = 0; j < inputLength; ++j) { + currentValue = input[j]; + if (currentValue < 0x80) { + output.push(stringFromCharCode(currentValue)); } - return; } - // otherwise, we matched two chains, so we need to combine those chains together + handledCPCount = basicLength = output.length; - function reverseChain(index){ - if (buildLog) - buildLog.chainReverse(index); - chains[index].reverse(); // gee, that's easy + // `handledCPCount` is the number of code points that have been handled; + // `basicLength` is the number of basic code points. + + // Finish the basic string - if it is not empty - with a delimiter + if (basicLength) { + output.push(delimiter); } - function appendChain(index1, index2){ - // index1 gets index2 appended to it, and index2 is removed - var chain1 = chains[index1]; - var chain2 = chains[index2]; - var tail = chain1[chain1.length - 1]; - var tail2 = chain1[chain1.length - 2]; - var head = chain2[0]; - var head2 = chain2[1]; + // Main encoding loop: + while (handledCPCount < inputLength) { - if (eps.pointsCollinear(tail2, tail, head)){ - // tail isn't needed because it's directly between tail2 and head - // tail2 ---tail---> head - if (buildLog) - buildLog.chainRemoveTail(index1, tail); - chain1.pop(); - tail = tail2; // old tail is gone... new tail is what tail2 was + // All non-basic code points < n have been handled already. Find the next + // larger one: + for (m = maxInt, j = 0; j < inputLength; ++j) { + currentValue = input[j]; + if (currentValue >= n && currentValue < m) { + m = currentValue; + } } - if (eps.pointsCollinear(tail, head, head2)){ - // head isn't needed because it's directly between tail and head2 - // tail ---head---> head2 - if (buildLog) - buildLog.chainRemoveHead(index2, head); - chain2.shift(); + // Increase `delta` enough to advance the decoder's state to , + // but guard against overflow + handledCPCountPlusOne = handledCPCount + 1; + if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { + error('overflow'); } - if (buildLog) - buildLog.chainJoin(index1, index2); - chains[index1] = chain1.concat(chain2); - chains.splice(index2, 1); - } - - var F = first_match.index; - var S = second_match.index; + delta += (m - n) * handledCPCountPlusOne; + n = m; - if (buildLog) - buildLog.chainConnect(F, S); + for (j = 0; j < inputLength; ++j) { + currentValue = input[j]; - var reverseF = chains[F].length < chains[S].length; // reverse the shorter chain, if needed - if (first_match.matches_head){ - if (second_match.matches_head){ - if (reverseF){ - // <<<< F <<<< --- >>>> S >>>> - reverseChain(F); - // >>>> F >>>> --- >>>> S >>>> - appendChain(F, S); - } - else{ - // <<<< F <<<< --- >>>> S >>>> - reverseChain(S); - // <<<< F <<<< --- <<<< S <<<< logically same as: - // >>>> S >>>> --- >>>> F >>>> - appendChain(S, F); - } - } - else{ - // <<<< F <<<< --- <<<< S <<<< logically same as: - // >>>> S >>>> --- >>>> F >>>> - appendChain(S, F); - } - } - else{ - if (second_match.matches_head){ - // >>>> F >>>> --- >>>> S >>>> - appendChain(F, S); - } - else{ - if (reverseF){ - // >>>> F >>>> --- <<<< S <<<< - reverseChain(F); - // <<<< F <<<< --- <<<< S <<<< logically same as: - // >>>> S >>>> --- >>>> F >>>> - appendChain(S, F); + if (currentValue < n && ++delta > maxInt) { + error('overflow'); } - else{ - // >>>> F >>>> --- <<<< S <<<< - reverseChain(S); - // >>>> F >>>> --- >>>> S >>>> - appendChain(F, S); + + if (currentValue == n) { + // Represent delta as a generalized variable-length integer + for (q = delta, k = base; /* no condition */; k += base) { + t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + if (q < t) { + break; + } + qMinusT = q - t; + baseMinusT = base - t; + output.push( + stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) + ); + q = floor(qMinusT / baseMinusT); + } + + output.push(stringFromCharCode(digitToBasic(q, 0))); + bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); + delta = 0; + ++handledCPCount; } } + + ++delta; + ++n; + } - }); + return output.join(''); + } - return regions; -} + /** + * Converts a Punycode string representing a domain name or an email address + * to Unicode. Only the Punycoded parts of the input will be converted, i.e. + * it doesn't matter if you call it on a string that has already been + * converted to Unicode. + * @memberOf punycode + * @param {String} input The Punycoded domain name or email address to + * convert to Unicode. + * @returns {String} The Unicode representation of the given Punycode + * string. + */ + function toUnicode(input) { + return mapDomain(input, function(string) { + return regexPunycode.test(string) + ? decode(string.slice(4).toLowerCase()) + : string; + }); + } -module.exports = SegmentChainer; + /** + * Converts a Unicode string representing a domain name or an email address to + * Punycode. Only the non-ASCII parts of the domain name will be converted, + * i.e. it doesn't matter if you call it with a domain that's already in + * ASCII. + * @memberOf punycode + * @param {String} input The domain name or email address to convert, as a + * Unicode string. + * @returns {String} The Punycode representation of the given domain name or + * email address. + */ + function toASCII(input) { + return mapDomain(input, function(string) { + return regexNonASCII.test(string) + ? 'xn--' + encode(string) + : string; + }); + } -},{}],486:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + /*--------------------------------------------------------------------------*/ -// -// filter a list of segments based on boolean operations -// + /** Define the public API */ + punycode = { + /** + * A string representing the current Punycode.js version number. + * @memberOf punycode + * @type String + */ + 'version': '1.4.1', + /** + * An object of methods to convert from JavaScript's internal character + * representation (UCS-2) to Unicode code points, and back. + * @see + * @memberOf punycode + * @type Object + */ + 'ucs2': { + 'decode': ucs2decode, + 'encode': ucs2encode + }, + 'decode': decode, + 'encode': encode, + 'toASCII': toASCII, + 'toUnicode': toUnicode + }; -function select(segments, selection, buildLog){ - var result = []; - segments.forEach(function(seg){ - var index = - (seg.myFill.above ? 8 : 0) + - (seg.myFill.below ? 4 : 0) + - ((seg.otherFill && seg.otherFill.above) ? 2 : 0) + - ((seg.otherFill && seg.otherFill.below) ? 1 : 0); - if (selection[index] !== 0){ - // copy the segment to the results, while also calculating the fill status - result.push({ - id: buildLog ? buildLog.segmentId() : -1, - start: seg.start, - end: seg.end, - myFill: { - above: selection[index] === 1, // 1 if filled above - below: selection[index] === 2 // 2 if filled below - }, - otherFill: null - }); + /** Expose `punycode` */ + // Some AMD build optimizers, like r.js, check for specific condition patterns + // like the following: + if ( + typeof define == 'function' && + typeof define.amd == 'object' && + define.amd + ) { + define('punycode', function() { + return punycode; + }); + } else if (freeExports && freeModule) { + if (module.exports == freeExports) { + // in Node.js, io.js, or RingoJS v0.8.0+ + freeModule.exports = punycode; + } else { + // in Narwhal or RingoJS v0.7.0- + for (key in punycode) { + punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); + } } - }); - - if (buildLog) - buildLog.selected(result); + } else { + // in Rhino or a web browser + root.punycode = punycode; + } - return result; -} +}(this)); -var SegmentSelector = { - union: function(segments, buildLog){ // primary | secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => yes filled below 2 - // 0 0 1 0 => yes filled above 1 - // 0 0 1 1 => no 0 - // 0 1 0 0 => yes filled below 2 - // 0 1 0 1 => yes filled below 2 - // 0 1 1 0 => no 0 - // 0 1 1 1 => no 0 - // 1 0 0 0 => yes filled above 1 - // 1 0 0 1 => no 0 - // 1 0 1 0 => yes filled above 1 - // 1 0 1 1 => no 0 - // 1 1 0 0 => no 0 - // 1 1 0 1 => no 0 - // 1 1 1 0 => no 0 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 2, 1, 0, - 2, 2, 0, 0, - 1, 0, 1, 0, - 0, 0, 0, 0 - ], buildLog); - }, - intersect: function(segments, buildLog){ // primary & secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => no 0 - // 0 0 1 0 => no 0 - // 0 0 1 1 => no 0 - // 0 1 0 0 => no 0 - // 0 1 0 1 => yes filled below 2 - // 0 1 1 0 => no 0 - // 0 1 1 1 => yes filled below 2 - // 1 0 0 0 => no 0 - // 1 0 0 1 => no 0 - // 1 0 1 0 => yes filled above 1 - // 1 0 1 1 => yes filled above 1 - // 1 1 0 0 => no 0 - // 1 1 0 1 => yes filled below 2 - // 1 1 1 0 => yes filled above 1 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 0, 0, 0, - 0, 2, 0, 2, - 0, 0, 1, 1, - 0, 2, 1, 0 - ], buildLog); - }, - difference: function(segments, buildLog){ // primary - secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => no 0 - // 0 0 1 0 => no 0 - // 0 0 1 1 => no 0 - // 0 1 0 0 => yes filled below 2 - // 0 1 0 1 => no 0 - // 0 1 1 0 => yes filled below 2 - // 0 1 1 1 => no 0 - // 1 0 0 0 => yes filled above 1 - // 1 0 0 1 => yes filled above 1 - // 1 0 1 0 => no 0 - // 1 0 1 1 => no 0 - // 1 1 0 0 => no 0 - // 1 1 0 1 => yes filled above 1 - // 1 1 1 0 => yes filled below 2 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 0, 0, 0, - 2, 0, 2, 0, - 1, 1, 0, 0, - 0, 1, 2, 0 - ], buildLog); - }, - differenceRev: function(segments, buildLog){ // secondary - primary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => yes filled below 2 - // 0 0 1 0 => yes filled above 1 - // 0 0 1 1 => no 0 - // 0 1 0 0 => no 0 - // 0 1 0 1 => no 0 - // 0 1 1 0 => yes filled above 1 - // 0 1 1 1 => yes filled above 1 - // 1 0 0 0 => no 0 - // 1 0 0 1 => yes filled below 2 - // 1 0 1 0 => no 0 - // 1 0 1 1 => yes filled below 2 - // 1 1 0 0 => no 0 - // 1 1 0 1 => no 0 - // 1 1 1 0 => no 0 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 2, 1, 0, - 0, 0, 1, 1, - 0, 2, 0, 2, - 0, 0, 0, 0 - ], buildLog); - }, - xor: function(segments, buildLog){ // primary ^ secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => yes filled below 2 - // 0 0 1 0 => yes filled above 1 - // 0 0 1 1 => no 0 - // 0 1 0 0 => yes filled below 2 - // 0 1 0 1 => no 0 - // 0 1 1 0 => no 0 - // 0 1 1 1 => yes filled above 1 - // 1 0 0 0 => yes filled above 1 - // 1 0 0 1 => no 0 - // 1 0 1 0 => no 0 - // 1 0 1 1 => yes filled below 2 - // 1 1 0 0 => no 0 - // 1 1 0 1 => yes filled above 1 - // 1 1 1 0 => yes filled below 2 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 2, 1, 0, - 2, 0, 0, 1, - 1, 0, 0, 2, - 0, 1, 2, 0 - ], buildLog); - } -}; +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],490:[function(require,module,exports){ +module.exports = require('gl-quat/slerp') +},{"gl-quat/slerp":236}],491:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. -module.exports = SegmentSelector; +'use strict'; -},{}],487:[function(require,module,exports){ -//Optimized version for triangle closest point -// Based on Eberly's WildMagick codes -// http://www.geometrictools.com/LibMathematics/Distance/Distance.html -"use strict"; +// If obj.hasOwnProperty has been overridden, then calling +// obj.hasOwnProperty(prop) will break. +// See: https://github.com/joyent/node/issues/1707 +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} -var diff = new Float64Array(4); -var edge0 = new Float64Array(4); -var edge1 = new Float64Array(4); +module.exports = function(qs, sep, eq, options) { + sep = sep || '&'; + eq = eq || '='; + var obj = {}; -function closestPoint2d(V0, V1, V2, point, result) { - //Reallocate buffers if necessary - if(diff.length < point.length) { - diff = new Float64Array(point.length); - edge0 = new Float64Array(point.length); - edge1 = new Float64Array(point.length); + if (typeof qs !== 'string' || qs.length === 0) { + return obj; } - //Compute edges - for(var i=0; i 0 && len > maxKeys) { + len = maxKeys; } - //Compute determinant/coeffs - var det = Math.abs(a00*a11 - a01*a01); - var s = a01*b1 - a11*b0; - var t = a01*b0 - a00*b1; - var sqrDistance; - //Hardcoded Voronoi diagram classification - if (s + t <= det) { - if (s < 0) { - if (t < 0) { // region 4 - if (b0 < 0) { - t = 0; - if (-b0 >= a00) { - s = 1.0; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = -b0/a00; - sqrDistance = b0*s + c; - } - } else { - s = 0; - if (b1 >= 0) { - t = 0; - sqrDistance = c; - } else if (-b1 >= a11) { - t = 1; - sqrDistance = a11 + 2.0*b1 + c; - } else { - t = -b1/a11; - sqrDistance = b1*t + c; - } - } - } else { // region 3 - s = 0; - if (b1 >= 0) { - t = 0; - sqrDistance = c; - } else if (-b1 >= a11) { - t = 1; - sqrDistance = a11 + 2.0*b1 + c; - } else { - t = -b1/a11; - sqrDistance = b1*t + c; - } - } - } else if (t < 0) { // region 5 - t = 0; - if (b0 >= 0) { - s = 0; - sqrDistance = c; - } else if (-b0 >= a00) { - s = 1; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = -b0/a00; - sqrDistance = b0*s + c; - } - } else { // region 0 - // minimum at interior point - var invDet = 1.0 / det; - s *= invDet; - t *= invDet; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + t*(a01*s + a11*t + 2.0*b1) + c; + + for (var i = 0; i < len; ++i) { + var x = qs[i].replace(regexp, '%20'), + idx = x.indexOf(eq), + kstr, vstr, k, v; + + if (idx >= 0) { + kstr = x.substr(0, idx); + vstr = x.substr(idx + 1); + } else { + kstr = x; + vstr = ''; } - } else { - var tmp0, tmp1, numer, denom; - - if (s < 0) { // region 2 - tmp0 = a01 + b0; - tmp1 = a11 + b1; - if (tmp1 > tmp0) { - numer = tmp1 - tmp0; - denom = a00 - 2.0*a01 + a11; - if (numer >= denom) { - s = 1; - t = 0; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = numer/denom; - t = 1 - s; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + - t*(a01*s + a11*t + 2.0*b1) + c; - } - } else { - s = 0; - if (tmp1 <= 0) { - t = 1; - sqrDistance = a11 + 2.0*b1 + c; - } else if (b1 >= 0) { - t = 0; - sqrDistance = c; - } else { - t = -b1/a11; - sqrDistance = b1*t + c; - } - } - } else if (t < 0) { // region 6 - tmp0 = a01 + b1; - tmp1 = a00 + b0; - if (tmp1 > tmp0) { - numer = tmp1 - tmp0; - denom = a00 - 2.0*a01 + a11; - if (numer >= denom) { - t = 1; - s = 0; - sqrDistance = a11 + 2.0*b1 + c; - } else { - t = numer/denom; - s = 1 - t; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + - t*(a01*s + a11*t + 2.0*b1) + c; - } - } else { - t = 0; - if (tmp1 <= 0) { - s = 1; - sqrDistance = a00 + 2.0*b0 + c; - } else if (b0 >= 0) { - s = 0; - sqrDistance = c; - } else { - s = -b0/a00; - sqrDistance = b0*s + c; - } - } - } else { // region 1 - numer = a11 + b1 - a01 - b0; - if (numer <= 0) { - s = 0; - t = 1; - sqrDistance = a11 + 2.0*b1 + c; + + k = decodeURIComponent(kstr); + v = decodeURIComponent(vstr); + + if (!hasOwnProperty(obj, k)) { + obj[k] = v; + } else if (isArray(obj[k])) { + obj[k].push(v); + } else { + obj[k] = [obj[k], v]; + } + } + + return obj; +}; + +var isArray = Array.isArray || function (xs) { + return Object.prototype.toString.call(xs) === '[object Array]'; +}; + +},{}],492:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +'use strict'; + +var stringifyPrimitive = function(v) { + switch (typeof v) { + case 'string': + return v; + + case 'boolean': + return v ? 'true' : 'false'; + + case 'number': + return isFinite(v) ? v : ''; + + default: + return ''; + } +}; + +module.exports = function(obj, sep, eq, name) { + sep = sep || '&'; + eq = eq || '='; + if (obj === null) { + obj = undefined; + } + + if (typeof obj === 'object') { + return map(objectKeys(obj), function(k) { + var ks = encodeURIComponent(stringifyPrimitive(k)) + eq; + if (isArray(obj[k])) { + return map(obj[k], function(v) { + return ks + encodeURIComponent(stringifyPrimitive(v)); + }).join(sep); } else { - denom = a00 - 2.0*a01 + a11; - if (numer >= denom) { - s = 1; - t = 0; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = numer/denom; - t = 1 - s; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + - t*(a01*s + a11*t + 2.0*b1) + c; - } + return ks + encodeURIComponent(stringifyPrimitive(obj[k])); } - } - } - var u = 1.0 - s - t; - for(var i=0; i left) { + if (right - left > 600) { + var n = right - left + 1; + var m = k - left + 1; + var z = Math.log(n); + var s = 0.5 * Math.exp(2 * z / 3); + var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + partialSort(arr, k, newLeft, newRight, compare); } - } catch (e) { - cachedSetTimeout = defaultSetTimout; - } - try { - if (typeof clearTimeout === 'function') { - cachedClearTimeout = clearTimeout; - } else { - cachedClearTimeout = defaultClearTimeout; + + var t = arr[k]; + var i = left; + var j = right; + + swap(arr, left, k); + if (compare(arr[right], t) > 0) swap(arr, left, right); + + while (i < j) { + swap(arr, i, j); + i++; + j--; + while (compare(arr[i], t) < 0) i++; + while (compare(arr[j], t) > 0) j--; } - } catch (e) { - cachedClearTimeout = defaultClearTimeout; - } -} ()) -function runTimeout(fun) { - if (cachedSetTimeout === setTimeout) { - //normal enviroments in sane situations - return setTimeout(fun, 0); - } - // if setTimeout wasn't available but was latter defined - if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { - cachedSetTimeout = setTimeout; - return setTimeout(fun, 0); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedSetTimeout(fun, 0); - } catch(e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedSetTimeout.call(null, fun, 0); - } catch(e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error - return cachedSetTimeout.call(this, fun, 0); + + if (compare(arr[left], t) === 0) swap(arr, left, j); + else { + j++; + swap(arr, j, right); } + + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; } +} +function swap(arr, i, j) { + var tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; +} +function defaultCompare(a, b) { + return a < b ? -1 : a > b ? 1 : 0; } -function runClearTimeout(marker) { - if (cachedClearTimeout === clearTimeout) { - //normal enviroments in sane situations - return clearTimeout(marker); - } - // if clearTimeout wasn't available but was latter defined - if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { - cachedClearTimeout = clearTimeout; - return clearTimeout(marker); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedClearTimeout(marker); - } catch (e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedClearTimeout.call(null, marker); - } catch (e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. - // Some versions of I.E. have different rules for clearTimeout vs setTimeout - return cachedClearTimeout.call(this, marker); - } - } +},{}],495:[function(require,module,exports){ +'use strict' + +var bnadd = require('big-rat/add') +module.exports = add +function add (a, b) { + var n = a.length + var r = new Array(n) + for (var i=0; i 1) { - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } +},{"big-rat":57,"big-rat/mul":66}],498:[function(require,module,exports){ +'use strict' + +var bnsub = require('big-rat/sub') + +module.exports = sub + +function sub(a, b) { + var n = a.length + var r = new Array(n) + for(var i=0; i 0) { + var f = cells[ptr-1] + if(compareCell(c, f) === 0 && + orientation(f) !== o) { + ptr -= 1 + continue + } } -}; + cells[ptr++] = c + } + cells.length = ptr + return cells +} -// v8 likes predictible objects -function Item(fun, array) { - this.fun = fun; - this.array = array; +},{"cell-orientation":90,"compare-cell":107,"compare-oriented-cell":108}],500:[function(require,module,exports){ +'use strict' + +var getBounds = require('array-bounds') +var rgba = require('color-normalize') +var updateDiff = require('update-diff') +var pick = require('pick-by-alias') +var extend = require('object-assign') +var flatten = require('flatten-vertex-data') +var ref = require('to-float32'); +var float32 = ref.float32; +var fract32 = ref.fract32; + +module.exports = Error2D + +var WEIGHTS = [ + //direction, lineWidth shift, capSize shift + + // x-error bar + [1, 0, 0, 1, 0, 0], + [1, 0, 0, -1, 0, 0], + [-1, 0, 0, -1, 0, 0], + + [-1, 0, 0, -1, 0, 0], + [-1, 0, 0, 1, 0, 0], + [1, 0, 0, 1, 0, 0], + + // x-error right cap + [1, 0, -1, 0, 0, 1], + [1, 0, -1, 0, 0, -1], + [1, 0, 1, 0, 0, -1], + + [1, 0, 1, 0, 0, -1], + [1, 0, 1, 0, 0, 1], + [1, 0, -1, 0, 0, 1], + + // x-error left cap + [-1, 0, -1, 0, 0, 1], + [-1, 0, -1, 0, 0, -1], + [-1, 0, 1, 0, 0, -1], + + [-1, 0, 1, 0, 0, -1], + [-1, 0, 1, 0, 0, 1], + [-1, 0, -1, 0, 0, 1], + + // y-error bar + [0, 1, 1, 0, 0, 0], + [0, 1, -1, 0, 0, 0], + [0, -1, -1, 0, 0, 0], + + [0, -1, -1, 0, 0, 0], + [0, 1, 1, 0, 0, 0], + [0, -1, 1, 0, 0, 0], + + // y-error top cap + [0, 1, 0, -1, 1, 0], + [0, 1, 0, -1, -1, 0], + [0, 1, 0, 1, -1, 0], + + [0, 1, 0, 1, 1, 0], + [0, 1, 0, -1, 1, 0], + [0, 1, 0, 1, -1, 0], + + // y-error bottom cap + [0, -1, 0, -1, 1, 0], + [0, -1, 0, -1, -1, 0], + [0, -1, 0, 1, -1, 0], + + [0, -1, 0, 1, 1, 0], + [0, -1, 0, -1, 1, 0], + [0, -1, 0, 1, -1, 0] +] + + +function Error2D (regl, options) { + if (typeof regl === 'function') { + if (!options) { options = {} } + options.regl = regl + } + else { + options = regl + } + if (options.length) { options.positions = options } + regl = options.regl + + if (!regl.hasExtension('ANGLE_instanced_arrays')) { + throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); + } + + // persistent variables + var gl = regl._gl, drawErrors, positionBuffer, positionFractBuffer, colorBuffer, errorBuffer, meshBuffer, + defaults = { + color: 'black', + capSize: 5, + lineWidth: 1, + opacity: 1, + viewport: null, + range: null, + offset: 0, + count: 0, + bounds: null, + positions: [], + errors: [] + }, groups = [] + + //color per-point + colorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'uint8', + data: null + }) + //xy-position per-point + positionBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + //xy-position float32-fraction + positionFractBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + //4 errors per-point + errorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + //error bar mesh + meshBuffer = regl.buffer({ + usage: 'static', + type: 'float', + data: WEIGHTS + }) + + update(options) + + //drawing method + drawErrors = regl({ + vert: "\n\t\tprecision highp float;\n\n\t\tattribute vec2 position, positionFract;\n\t\tattribute vec4 error;\n\t\tattribute vec4 color;\n\n\t\tattribute vec2 direction, lineOffset, capOffset;\n\n\t\tuniform vec4 viewport;\n\t\tuniform float lineWidth, capSize;\n\t\tuniform vec2 scale, scaleFract, translate, translateFract;\n\n\t\tvarying vec4 fragColor;\n\n\t\tvoid main() {\n\t\t\tfragColor = color / 255.;\n\n\t\t\tvec2 pixelOffset = lineWidth * lineOffset + (capSize + lineWidth) * capOffset;\n\n\t\t\tvec2 dxy = -step(.5, direction.xy) * error.xz + step(direction.xy, vec2(-.5)) * error.yw;\n\n\t\t\tvec2 position = position + dxy;\n\n\t\t\tvec2 pos = (position + translate) * scale\n\t\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t\t+ (position + translate) * scaleFract\n\t\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n\t\t\tpos += pixelOffset / viewport.zw;\n\n\t\t\tgl_Position = vec4(pos * 2. - 1., 0, 1);\n\t\t}\n\t\t", + + frag: "\n\t\tprecision mediump float;\n\n\t\tvarying vec4 fragColor;\n\n\t\tuniform float opacity;\n\n\t\tvoid main() {\n\t\t\tgl_FragColor = fragColor;\n\t\t\tgl_FragColor.a *= opacity;\n\t\t}\n\t\t", + + uniforms: { + range: regl.prop('range'), + lineWidth: regl.prop('lineWidth'), + capSize: regl.prop('capSize'), + opacity: regl.prop('opacity'), + scale: regl.prop('scale'), + translate: regl.prop('translate'), + scaleFract: regl.prop('scaleFract'), + translateFract: regl.prop('translateFract'), + viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } + }, + + attributes: { + //dynamic attributes + color: { + buffer: colorBuffer, + offset: function (ctx, prop) { return prop.offset * 4; }, + divisor: 1, + }, + position: { + buffer: positionBuffer, + offset: function (ctx, prop) { return prop.offset * 8; }, + divisor: 1 + }, + positionFract: { + buffer: positionFractBuffer, + offset: function (ctx, prop) { return prop.offset * 8; }, + divisor: 1 + }, + error: { + buffer: errorBuffer, + offset: function (ctx, prop) { return prop.offset * 16; }, + divisor: 1 + }, + + //static attributes + direction: { + buffer: meshBuffer, + stride: 24, + offset: 0 + }, + lineOffset: { + buffer: meshBuffer, + stride: 24, + offset: 8 + }, + capOffset: { + buffer: meshBuffer, + stride: 24, + offset: 16 + } + }, + + primitive: 'triangles', + + blend: { + enable: true, + color: [0,0,0,0], + equation: { + rgb: 'add', + alpha: 'add' + }, + func: { + srcRGB: 'src alpha', + dstRGB: 'one minus src alpha', + srcAlpha: 'one minus dst alpha', + dstAlpha: 'one' + } + }, + + depth: { + enable: false + }, + + scissor: { + enable: true, + box: regl.prop('viewport') + }, + viewport: regl.prop('viewport'), + stencil: false, + + instances: regl.prop('count'), + count: WEIGHTS.length + }) + + //expose API + extend(error2d, { + update: update, + draw: draw, + destroy: destroy, + regl: regl, + gl: gl, + canvas: gl.canvas, + groups: groups + }) + + return error2d + + function error2d (opts) { + //update + if (opts) { + update(opts) + } + + //destroy + else if (opts === null) { + destroy() + } + + draw() + } + + + //main draw method + function draw (options) { + if (typeof options === 'number') { return drawGroup(options) } + + //make options a batch + if (options && !Array.isArray(options)) { options = [options] } + + + regl._refresh() + + //render multiple polylines via regl batch + groups.forEach(function (s, i) { + if (!s) { return } + + if (options) { + if (!options[i]) { s.draw = false } + else { s.draw = true } + } + + //ignore draw flag for one pass + if (!s.draw) { + s.draw = true; + return + } + + drawGroup(i) + }) + } + + //draw single error group by id + function drawGroup (s) { + if (typeof s === 'number') { s = groups[s] } + if (s == null) { return } + + if (!(s && s.count && s.color && s.opacity && s.positions && s.positions.length > 1)) { return } + + s.scaleRatio = [ + s.scale[0] * s.viewport.width, + s.scale[1] * s.viewport.height + ] + + drawErrors(s) + + if (s.after) { s.after(s) } + } + + function update (options) { + if (!options) { return } + + //direct points argument + if (options.length != null) { + if (typeof options[0] === 'number') { options = [{positions: options}] } + } + + //make options a batch + else if (!Array.isArray(options)) { options = [options] } + + //global count of points + var pointCount = 0, errorCount = 0 + + groups = options.map(function (options, i) { + var group = groups[i] + + if (!options) { return group } + else if (typeof options === 'function') { options = {after: options} } + else if (typeof options[0] === 'number') { options = {positions: options} } + + //copy options to avoid mutation & handle aliases + options = pick(options, { + color: 'color colors fill', + capSize: 'capSize cap capsize cap-size', + lineWidth: 'lineWidth line-width width line thickness', + opacity: 'opacity alpha', + range: 'range dataBox', + viewport: 'viewport viewBox', + errors: 'errors error', + positions: 'positions position data points' + }) + + if (!group) { + groups[i] = group = { + id: i, + scale: null, + translate: null, + scaleFract: null, + translateFract: null, + draw: true + } + options = extend({}, defaults, options) + } + + updateDiff(group, options, [{ + lineWidth: function (v) { return +v * .5; }, + capSize: function (v) { return +v * .5; }, + opacity: parseFloat, + errors: function (errors) { + errors = flatten(errors) + + errorCount += errors.length + return errors + }, + positions: function (positions, state) { + positions = flatten(positions, 'float64') + state.count = Math.floor(positions.length / 2) + state.bounds = getBounds(positions, 2) + state.offset = pointCount + + pointCount += state.count + + return positions + } + }, { + color: function (colors, state) { + var count = state.count + + if (!colors) { colors = 'transparent' } + + // 'black' or [0,0,0,0] case + if (!Array.isArray(colors) || typeof colors[0] === 'number') { + var color = colors + colors = Array(count) + for (var i = 0; i < count; i++) { + colors[i] = color + } + } + + if (colors.length < count) { throw Error('Not enough colors') } + + var colorData = new Uint8Array(count * 4) + + //convert colors to float arrays + for (var i$1 = 0; i$1 < count; i$1++) { + var c = rgba(colors[i$1], 'uint8') + colorData.set(c, i$1 * 4) + } + + return colorData + }, + + range: function (range, state, options) { + var bounds = state.bounds + if (!range) { range = bounds } + + state.scale = [1 / (range[2] - range[0]), 1 / (range[3] - range[1])] + state.translate = [-range[0], -range[1]] + + state.scaleFract = fract32(state.scale) + state.translateFract = fract32(state.translate) + + return range + }, + + viewport: function (vp) { + var viewport + + if (Array.isArray(vp)) { + viewport = { + x: vp[0], + y: vp[1], + width: vp[2] - vp[0], + height: vp[3] - vp[1] + } + } + else if (vp) { + viewport = { + x: vp.x || vp.left || 0, + y: vp.y || vp.top || 0 + } + + if (vp.right) { viewport.width = vp.right - viewport.x } + else { viewport.width = vp.w || vp.width || 0 } + + if (vp.bottom) { viewport.height = vp.bottom - viewport.y } + else { viewport.height = vp.h || vp.height || 0 } + } + else { + viewport = { + x: 0, y: 0, + width: gl.drawingBufferWidth, + height: gl.drawingBufferHeight + } + } + + return viewport + } + }]) + + return group + }) + + if (pointCount || errorCount) { + var len = groups.reduce(function (acc, group, i) { + return acc + (group ? group.count : 0) + }, 0) + + var positionData = new Float64Array(len * 2) + var colorData = new Uint8Array(len * 4) + var errorData = new Float32Array(len * 4) + + groups.forEach(function (group, i) { + if (!group) { return } + var positions = group.positions; + var count = group.count; + var offset = group.offset; + var color = group.color; + var errors = group.errors; + if (!count) { return } + + colorData.set(color, offset * 4) + errorData.set(errors, offset * 4) + positionData.set(positions, offset * 2) + }) + + positionBuffer(float32(positionData)) + positionFractBuffer(fract32(positionData)) + colorBuffer(colorData) + errorBuffer(errorData) + } + + } + + function destroy () { + positionBuffer.destroy() + positionFractBuffer.destroy() + colorBuffer.destroy() + errorBuffer.destroy() + meshBuffer.destroy() + } } -Item.prototype.run = function () { - this.fun.apply(null, this.array); -}; -process.title = 'browser'; -process.browser = true; -process.env = {}; -process.argv = []; -process.version = ''; // empty string to avoid regexp issues -process.versions = {}; +},{"array-bounds":48,"color-normalize":99,"flatten-vertex-data":143,"object-assign":462,"pick-by-alias":473,"to-float32":547,"update-diff":558}],501:[function(require,module,exports){ +'use strict' -function noop() {} +var rgba = require('color-normalize') +var getBounds = require('array-bounds') +var extend = require('object-assign') +var glslify = require('glslify') +var pick = require('pick-by-alias') +var updateDiff = require('update-diff') +var flatten = require('flatten-vertex-data') +var triangulate = require('earcut') +var normalize = require('array-normalize') -process.on = noop; -process.addListener = noop; -process.once = noop; -process.off = noop; -process.removeListener = noop; -process.removeAllListeners = noop; -process.emit = noop; -process.prependListener = noop; -process.prependOnceListener = noop; +module.exports = createLine + + +function createLine (regl, options) { + if (typeof regl === 'function') { + if (!options) { options = {} } + options.regl = regl + } + else { + options = regl + } + if (options.length) { options.positions = options } + regl = options.regl -process.listeners = function (name) { return [] } + if (!regl.hasExtension('ANGLE_instanced_arrays')) { + throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); + } -process.binding = function (name) { - throw new Error('process.binding is not supported'); -}; + // persistent variables + var gl = regl._gl, drawMiterLine, drawRectLine, drawFill, colorBuffer, offsetBuffer, positionBuffer, positionFractBuffer, dashTexture, + + // used to for new lines instances + defaults = { + positions: [], + dashes: null, + join: null, + miterLimit: 1, + thickness: 10, + cap: 'square', + color: 'black', + opacity: 1, + overlay: false, + viewport: null, + range: null, + close: null, + fill: null + }, -process.cwd = function () { return '/' }; -process.chdir = function (dir) { - throw new Error('process.chdir is not supported'); -}; -process.umask = function() { return 0; }; + // list of options for lines + lines = [] -},{}],489:[function(require,module,exports){ -(function (global){ -/*! https://mths.be/punycode v1.4.1 by @mathias */ -;(function(root) { + var dashMult = 2, maxPatternLength = 256, maxLinesNumber = 2048, precisionThreshold = 3e6, maxPoints = 1e4 - /** Detect free variables */ - var freeExports = typeof exports == 'object' && exports && - !exports.nodeType && exports; - var freeModule = typeof module == 'object' && module && - !module.nodeType && module; - var freeGlobal = typeof global == 'object' && global; - if ( - freeGlobal.global === freeGlobal || - freeGlobal.window === freeGlobal || - freeGlobal.self === freeGlobal - ) { - root = freeGlobal; - } - /** - * The `punycode` object. - * @name punycode - * @type Object - */ - var punycode, + //color per-point + colorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'uint8', + data: null + }) + offsetBuffer = regl.buffer({ + usage: 'static', + type: 'float', + data: [0,1, 0,0, 1,1, 1,0] + }) + positionBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + positionFractBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + dashTexture = regl.texture({ + channels: 1, + data: new Uint8Array(maxPatternLength * maxLinesNumber), + width: maxPatternLength, + height: maxLinesNumber, + mag: 'linear', + min: 'linear' + }) - /** Highest positive signed 32-bit float value */ - maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 + //init defaults + update(options) + + var shaderOptions = { + primitive: 'triangle strip', + instances: regl.prop('count'), + count: 4, + offset: 0, + + uniforms: { + miterMode: function (ctx, prop) { return prop.join === 'round' ? 2 : 1; }, + miterLimit: regl.prop('miterLimit'), + scale: regl.prop('scale'), + scaleFract: regl.prop('scaleFract'), + translateFract: regl.prop('translateFract'), + translate: regl.prop('translate'), + thickness: regl.prop('thickness'), + dashPattern: dashTexture, + dashLength: regl.prop('dashLength'), + dashShape: [maxPatternLength, maxLinesNumber], + opacity: regl.prop('opacity'), + pixelRatio: regl.context('pixelRatio'), + id: regl.prop('id'), + scaleRatio: regl.prop('scaleRatio'), + viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } + }, - /** Bootstring parameters */ - base = 36, - tMin = 1, - tMax = 26, - skew = 38, - damp = 700, - initialBias = 72, - initialN = 128, // 0x80 - delimiter = '-', // '\x2D' + blend: { + enable: true, + color: [0,0,0,0], + equation: { + rgb: 'add', + alpha: 'add' + }, + func: { + srcRGB: 'src alpha', + dstRGB: 'one minus src alpha', + srcAlpha: 'one minus dst alpha', + dstAlpha: 'one' + } + }, + depth: { + enable: function (ctx, prop) { + return !prop.overlay + } + }, + scissor: { + enable: true, + box: regl.prop('viewport') + }, + stencil: false, + viewport: regl.prop('viewport') + } - /** Regular expressions */ - regexPunycode = /^xn--/, - regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars - regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators + //create regl draw + drawMiterLine = regl(extend({ + //culling removes polygon creasing + cull: { + enable: true, + face: 'back' + }, - /** Error messages */ - errors = { - 'overflow': 'Overflow: input needs wider integers to process', - 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', - 'invalid-input': 'Invalid input' - }, + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, nextCoord, prevCoord;\nattribute vec4 aColor, bColor;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, translate, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\nuniform float miterLimit, dashLength, miterMode;\n\nvarying vec4 fragColor;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 tangent;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nconst float MAX_LINES = 256.;\nconst float REVERSE_THRESHOLD = -.875;\nconst float MIN_DIST = 1.;\n\n//TODO: possible optimizations: avoid overcalculating all for vertices and calc just one instead\n//TODO: precalculate dot products, normalize things beforehead etc.\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nbool isNaN( float val ){\n return ( val < 0.0 || 0.0 < val || val == 0.0 ) ? false : true;\n}\n\nvoid main() {\n\tvec2 aCoord = aCoord, bCoord = bCoord, prevCoord = prevCoord, nextCoord = nextCoord;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineBot = 1. - lineTop;\n\tfloat depth = (MAX_LINES - 1. - id) / MAX_LINES;\n\n\tfragColor = (lineStart * aColor + lineEnd * bColor) / 255.;\n\n\tif (isNaN(aCoord.x) || isNaN(aCoord.y) || isNaN(bCoord.x) || isNaN(bCoord.y)) return;\n\n\tif (aCoord == prevCoord) prevCoord = aCoord + normalize(bCoord - aCoord);\n\tif (bCoord == nextCoord) nextCoord = bCoord - normalize(bCoord - aCoord);\n\n\tvec2 prevDiff = aCoord - prevCoord;\n\tvec2 currDiff = bCoord - aCoord;\n\tvec2 nextDiff = nextCoord - bCoord;\n\n\tvec2 prevDirection = normalize(prevDiff);\n\tvec2 currDirection = normalize(currDiff);\n\tvec2 nextDirection = normalize(nextDiff);\n\n\tvec2 prevTangent = normalize(prevDiff * scaleRatio);\n\tvec2 currTangent = normalize(currDiff * scaleRatio);\n\tvec2 nextTangent = normalize(nextDiff * scaleRatio);\n\n\tvec2 prevNormal = vec2(-prevTangent.y, prevTangent.x);\n\tvec2 currNormal = vec2(-currTangent.y, currTangent.x);\n\tvec2 nextNormal = vec2(-nextTangent.y, nextTangent.x);\n\n\tvec2 startJoinDirection = normalize(prevTangent - currTangent);\n\tvec2 endJoinDirection = normalize(currTangent - nextTangent);\n\n\t//collapsed/unidirectional segment cases\n\tif (prevDirection == currDirection) {\n\t\tstartJoinDirection = currNormal;\n\t}\n\tif (nextDirection == currDirection) {\n\t\tendJoinDirection = currNormal;\n\t}\n\tif (aCoord == bCoord) {\n\t\tendJoinDirection = startJoinDirection;\n\t\tcurrNormal = prevNormal;\n\t\tcurrTangent = prevTangent;\n\t}\n\n\ttangent = currTangent;\n\n\t//calculate join shifts relative to normals\n\tfloat startJoinShift = dot(currNormal, startJoinDirection);\n\tfloat endJoinShift = dot(currNormal, endJoinDirection);\n\n\tfloat startMiterRatio = abs(1. / startJoinShift);\n\tfloat endMiterRatio = abs(1. / endJoinShift);\n\n\tvec2 startJoin = startJoinDirection * startMiterRatio;\n\tvec2 endJoin = endJoinDirection * endMiterRatio;\n\n\tvec2 startTopJoin, startBotJoin, endTopJoin, endBotJoin;\n\tstartTopJoin = sign(startJoinShift) * startJoin * .5;\n\tstartBotJoin = -startTopJoin;\n\n\tendTopJoin = sign(endJoinShift) * endJoin * .5;\n\tendBotJoin = -endTopJoin;\n\n\tvec2 aTopCoord = aCoord + normalWidth * startTopJoin;\n\tvec2 bTopCoord = bCoord + normalWidth * endTopJoin;\n\tvec2 aBotCoord = aCoord + normalWidth * startBotJoin;\n\tvec2 bBotCoord = bCoord + normalWidth * endBotJoin;\n\n\t//miter anti-clipping\n\tfloat baClipping = distToLine(bCoord, aCoord, aBotCoord) / dot(normalize(normalWidth * endBotJoin), normalize(normalWidth.yx * vec2(-startBotJoin.y, startBotJoin.x)));\n\tfloat abClipping = distToLine(aCoord, bCoord, bTopCoord) / dot(normalize(normalWidth * startBotJoin), normalize(normalWidth.yx * vec2(-endBotJoin.y, endBotJoin.x)));\n\n\t//prevent close to reverse direction switch\n\tbool prevReverse = dot(currTangent, prevTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, prevNormal)) * min(length(prevDiff), length(currDiff)) < length(normalWidth * currNormal);\n\tbool nextReverse = dot(currTangent, nextTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, nextNormal)) * min(length(nextDiff), length(currDiff)) < length(normalWidth * currNormal);\n\n\tif (prevReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * startJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / startMiterRatio, 1.);\n\t\taBotCoord = aCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\taTopCoord = aCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!nextReverse && baClipping > 0. && baClipping < length(normalWidth * endBotJoin)) {\n\t\t//handle miter clipping\n\t\tbTopCoord -= normalWidth * endTopJoin;\n\t\tbTopCoord += normalize(endTopJoin * normalWidth) * baClipping;\n\t}\n\n\tif (nextReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * endJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / endMiterRatio, 1.);\n\t\tbBotCoord = bCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\tbTopCoord = bCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!prevReverse && abClipping > 0. && abClipping < length(normalWidth * startBotJoin)) {\n\t\t//handle miter clipping\n\t\taBotCoord -= normalWidth * startBotJoin;\n\t\taBotCoord += normalize(startBotJoin * normalWidth) * abClipping;\n\t}\n\n\tvec2 aTopPosition = (aTopCoord + translate) * scale;\n\tvec2 aBotPosition = (aBotCoord + translate) * scale;\n\n\tvec2 bTopPosition = (bTopCoord + translate) * scale;\n\tvec2 bBotPosition = (bBotCoord + translate) * scale;\n\n\t//position is normalized 0..1 coord on the screen\n\tvec2 position = (aTopPosition * lineTop + aBotPosition * lineBot) * lineStart + (bTopPosition * lineTop + bBotPosition * lineBot) * lineEnd;\n\n\tstartCoord = (aCoord + translate) * scaleRatio + viewport.xy;\n\tendCoord = (bCoord + translate) * scaleRatio + viewport.xy;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tenableStartMiter = step(dot(currTangent, prevTangent), .5);\n\tenableEndMiter = step(dot(currTangent, nextTangent), .5);\n\n\t//bevel miter cutoffs\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * miterLimit * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * miterLimit * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n\n\t//round miter cutoffs\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * abs(dot(startJoinDirection, currNormal)) * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * abs(dot(endJoinDirection, currNormal)) * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n}\n"]), + frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id, miterMode;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nvoid main() {\n\tfloat alpha = 1., distToStart, distToEnd;\n\tfloat cutoff = thickness * .5;\n\n\t//bevel miter\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToStart + 1., 0.), 1.);\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToEnd + 1., 0.), 1.);\n\t\t}\n\t}\n\n\t// round miter\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - startCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - endCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\t}\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), - /** Convenience shortcuts */ - baseMinusTMin = base - tMin, - floor = Math.floor, - stringFromCharCode = String.fromCharCode, + attributes: { + lineEnd: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 0 + }, + lineTop: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 4 + }, + aColor: { + buffer: colorBuffer, + stride: 4, + offset: function (ctx, prop) { return prop.offset * 4; }, + divisor: 1 + }, + bColor: { + buffer: colorBuffer, + stride: 4, + offset: function (ctx, prop) { return prop.offset * 4 + 4; }, + divisor: 1 + }, + prevCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return prop.offset * 8; }, + divisor: 1 + }, + aCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; }, + divisor: 1 + }, + bCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 16 + prop.offset * 8; }, + divisor: 1 + }, + nextCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 24 + prop.offset * 8; }, + divisor: 1 + } + } + }, shaderOptions)) + + //simplified rectangular line shader + drawRectLine = regl(extend({ + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, aCoordFract, bCoordFract;\nattribute vec4 color;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nconst float MAX_LINES = 256.;\n\nvec2 project(vec2 position, vec2 positionFract, vec2 scale, vec2 scaleFract, vec2 translate, vec2 translateFract) {\n return (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n}\n\nvoid main() {\n\t// vec2 scaleRatio = scale * viewport.zw;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineOffset = lineTop * 2. - 1.;\n\tfloat depth = (MAX_LINES - 1. - id) / (MAX_LINES);\n\n\tvec2 diff = (bCoord + bCoordFract - aCoord - aCoordFract);\n\ttangent = normalize(diff * scaleRatio);\n\tvec2 normal = vec2(-tangent.y, tangent.x);\n\n\tvec2 position = project(aCoord, aCoordFract, scale, scaleFract, translate, translateFract) * lineStart\n\t\t+ project(bCoord, bCoordFract, scale, scaleFract, translate, translateFract) * lineEnd\n\n\t\t+ thickness * normal * .5 * lineOffset / viewport.zw;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), + frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nvoid main() {\n\tfloat alpha = 1.;\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), + + attributes: { + lineEnd: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 0 + }, + lineTop: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 4 + }, + aCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; }, + divisor: 1 + }, + bCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 16 + prop.offset * 8; }, + divisor: 1 + }, + aCoordFract: { + buffer: positionFractBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; }, + divisor: 1 + }, + bCoordFract: { + buffer: positionFractBuffer, + stride: 8, + offset: function (ctx, prop) { return 16 + prop.offset * 8; }, + divisor: 1 + }, + color: { + buffer: colorBuffer, + stride: 4, + offset: function (ctx, prop) { return prop.offset * 4; }, + divisor: 1 + } + } + }, shaderOptions)) + + + //fill shader + drawFill = regl({ + primitive: 'triangle', + elements: function (ctx, prop) { return prop.triangles; }, + offset: 0, + + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\n\nuniform vec4 color;\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\n\nconst float MAX_LINES = 256.;\n\nvoid main() {\n\tfloat depth = (MAX_LINES - 4. - id) / (MAX_LINES);\n\n\tvec2 position = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), + frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform float opacity;\n\nvarying vec4 fragColor;\n\nvoid main() {\n\tgl_FragColor = fragColor;\n\tgl_FragColor.a *= opacity;\n}\n"]), + + uniforms: { + scale: regl.prop('scale'), + color: regl.prop('fill'), + scaleFract: regl.prop('scaleFract'), + translateFract: regl.prop('translateFract'), + translate: regl.prop('translate'), + opacity: regl.prop('opacity'), + pixelRatio: regl.context('pixelRatio'), + id: regl.prop('id'), + viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } + }, - /** Temporary variable */ - key; + attributes: { + position: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; } + }, + positionFract: { + buffer: positionFractBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; } + } + }, - /*--------------------------------------------------------------------------*/ + blend: shaderOptions.blend, - /** - * A generic error utility function. - * @private - * @param {String} type The error type. - * @returns {Error} Throws a `RangeError` with the applicable error message. - */ - function error(type) { - throw new RangeError(errors[type]); - } + depth: { + enable: false + }, + scissor: shaderOptions.scissor, + stencil: shaderOptions.stencil, + viewport: shaderOptions.viewport + }) - /** - * A generic `Array#map` utility function. - * @private - * @param {Array} array The array to iterate over. - * @param {Function} callback The function that gets called for every array - * item. - * @returns {Array} A new array of values returned by the callback function. - */ - function map(array, fn) { - var length = array.length; - var result = []; - while (length--) { - result[length] = fn(array[length]); + //expose API + extend(line2d, { + update: update, + draw: draw, + destroy: destroy, + regl: regl, + gl: gl, + canvas: gl.canvas, + lines: lines + }) + + function line2d (opts) { + //update + if (opts) { + update(opts) } - return result; - } - /** - * A simple `Array#map`-like wrapper to work with domain name strings or email - * addresses. - * @private - * @param {String} domain The domain name or email address. - * @param {Function} callback The function that gets called for every - * character. - * @returns {Array} A new string of characters returned by the callback - * function. - */ - function mapDomain(string, fn) { - var parts = string.split('@'); - var result = ''; - if (parts.length > 1) { - // In email addresses, only the domain name should be punycoded. Leave - // the local part (i.e. everything up to `@`) intact. - result = parts[0] + '@'; - string = parts[1]; + //destroy + else if (opts === null) { + destroy() } - // Avoid `split(regex)` for IE8 compatibility. See #17. - string = string.replace(regexSeparators, '\x2E'); - var labels = string.split('.'); - var encoded = map(labels, fn).join('.'); - return result + encoded; + + draw() } - /** - * Creates an array containing the numeric code points of each Unicode - * character in the string. While JavaScript uses UCS-2 internally, - * this function will convert a pair of surrogate halves (each of which - * UCS-2 exposes as separate characters) into a single code point, - * matching UTF-16. - * @see `punycode.ucs2.encode` - * @see - * @memberOf punycode.ucs2 - * @name decode - * @param {String} string The Unicode input string (UCS-2). - * @returns {Array} The new array of code points. - */ - function ucs2decode(string) { - var output = [], - counter = 0, - length = string.length, - value, - extra; - while (counter < length) { - value = string.charCodeAt(counter++); - if (value >= 0xD800 && value <= 0xDBFF && counter < length) { - // high surrogate, and there is a next character - extra = string.charCodeAt(counter++); - if ((extra & 0xFC00) == 0xDC00) { // low surrogate - output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); - } else { - // unmatched surrogate; only append this code unit, in case the next - // code unit is the high surrogate of a surrogate pair - output.push(value); - counter--; - } - } else { - output.push(value); + function draw (options) { + if (typeof options === 'number') { return drawLine(options) } + + //make options a batch + if (options && !Array.isArray(options)) { options = [options] } + + //render multiple polylines via regl batch + lines.forEach(function (s, i) { + if (options) { + if (!options[i]) { s.draw = false } + else { s.draw = true } } - } - return output; - } - /** - * Creates a string based on an array of numeric code points. - * @see `punycode.ucs2.decode` - * @memberOf punycode.ucs2 - * @name encode - * @param {Array} codePoints The array of numeric code points. - * @returns {String} The new Unicode string (UCS-2). - */ - function ucs2encode(array) { - return map(array, function(value) { - var output = ''; - if (value > 0xFFFF) { - value -= 0x10000; - output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); - value = 0xDC00 | value & 0x3FF; + //ignore draw flag for one pass + if (!s.draw) { + s.draw = true; + return } - output += stringFromCharCode(value); - return output; - }).join(''); + + drawLine(i) + }) } - /** - * Converts a basic code point into a digit/integer. - * @see `digitToBasic()` - * @private - * @param {Number} codePoint The basic numeric code point value. - * @returns {Number} The numeric value of a basic code point (for use in - * representing integers) in the range `0` to `base - 1`, or `base` if - * the code point does not represent a value. - */ - function basicToDigit(codePoint) { - if (codePoint - 48 < 10) { - return codePoint - 22; + //draw single line by id + function drawLine (s) { + if (typeof s === 'number') { s = lines[s] } + + if (!(s && s.count && s.opacity && s.positions && s.positions.length > 2)) { return } + + regl._refresh() + + if (s.fill && s.triangles && s.triangles.length > 2) { + drawFill(s) } - if (codePoint - 65 < 26) { - return codePoint - 65; + + if (!s.thickness || !s.color) { return } + + s.scaleRatio = [ + s.scale[0] * s.viewport.width, + s.scale[1] * s.viewport.height + ] + + //high scale is only available for rect mode with precision + if (s.scaleRatio[0] > precisionThreshold || s.scaleRatio[1] > precisionThreshold) { + drawRectLine(s) } - if (codePoint - 97 < 26) { - return codePoint - 97; + + //thin lines or too many points are rendered as simplified rect shader + else if (s.join === 'rect' || (!s.join && (s.thickness <= 2 || s.positions.length >= maxPoints))) { + drawRectLine(s) + } + else { + drawMiterLine(s) } - return base; - } - /** - * Converts a digit/integer into a basic code point. - * @see `basicToDigit()` - * @private - * @param {Number} digit The numeric value of a basic code point. - * @returns {Number} The basic code point whose value (when used for - * representing integers) is `digit`, which needs to be in the range - * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is - * used; else, the lowercase form is used. The behavior is undefined - * if `flag` is non-zero and `digit` has no uppercase form. - */ - function digitToBasic(digit, flag) { - // 0..25 map to ASCII a..z or A..Z - // 26..35 map to ASCII 0..9 - return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); + if (s.after) { s.after(s) } } - /** - * Bias adaptation function as per section 3.4 of RFC 3492. - * https://tools.ietf.org/html/rfc3492#section-3.4 - * @private - */ - function adapt(delta, numPoints, firstTime) { - var k = 0; - delta = firstTime ? floor(delta / damp) : delta >> 1; - delta += floor(delta / numPoints); - for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { - delta = floor(delta / baseMinusTMin); + function update (options) { + if (!options) { return } + + if (options.length != null) { + if (typeof options[0] === 'number') { options = [{positions: options}] } } - return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); - } - /** - * Converts a Punycode string of ASCII-only symbols to a string of Unicode - * symbols. - * @memberOf punycode - * @param {String} input The Punycode string of ASCII-only symbols. - * @returns {String} The resulting string of Unicode symbols. - */ - function decode(input) { - // Don't use UCS-2 - var output = [], - inputLength = input.length, - out, - i = 0, - n = initialN, - bias = initialBias, - basic, - j, - index, - oldi, - w, - k, - digit, - t, - /** Cached calculation results */ - baseMinusT; + //make options a batch + else if (!Array.isArray(options)) { options = [options] } + + //global count of points + var pointCount = 0 + + //process per-line settings + lines = options.map(function (options, i) { + var state = lines[i] + + if (!options) { return state } + else if (typeof options === 'function') { options = {after: options} } + else if (typeof options[0] === 'number') { options = {positions: options} } + + //reduce by aliases + options = pick(options, { + positions: 'positions points data coords', + thickness: 'thickness lineWidth lineWidths line-width linewidth width stroke-width strokewidth strokeWidth', + join: 'lineJoin linejoin join type mode', + miterLimit: 'miterlimit miterLimit', + dashes: 'dash dashes dasharray dash-array dashArray', + color: 'color stroke colors stroke-color strokeColor', + fill: 'fill fill-color fillColor', + opacity: 'alpha opacity', + overlay: 'overlay crease overlap intersect', + close: 'closed close closed-path closePath', + range: 'range dataBox', + viewport: 'viewport viewBox', + hole: 'holes hole hollow', + after: 'after callback done pass' + }) + + if (!state) { + lines[i] = state = { + id: i, + scale: null, + scaleFract: null, + translate: null, + translateFract: null, + count: 0, + offset: 0, + dashLength: 0, + hole: true + } + options = extend({}, defaults, options) + } - // Handle the basic code points: let `basic` be the number of input code - // points before the last delimiter, or `0` if there is none, then copy - // the first basic code points to the output. + //calculate state values + updateDiff(state, options, [{ + thickness: parseFloat, + opacity: parseFloat, + miterLimit: parseFloat, + overlay: Boolean, + join: function (j) { return j; }, + after: function (fn) { return fn; }, + hole: function (h) { return h || []; }, - basic = input.lastIndexOf(delimiter); - if (basic < 0) { - basic = 0; - } + positions: function (positions, state, options) { + positions = flatten(positions, 'float64') - for (j = 0; j < basic; ++j) { - // if it's not a basic code point - if (input.charCodeAt(j) >= 0x80) { - error('not-basic'); - } - output.push(input.charCodeAt(j)); - } + var count = Math.floor(positions.length / 2) + var bounds = getBounds(positions, 2) - // Main decoding loop: start just after the last delimiter if any basic code - // points were copied; start at the beginning otherwise. + if (!state.range && !options.range) { + options.range = bounds + } - for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { + state.count = count + state.bounds = bounds - // `index` is the index of the next character to be consumed. - // Decode a generalized variable-length integer into `delta`, - // which gets added to `i`. The overflow checking is easier - // if we increase `i` as we go, then subtract off its starting - // value at the end to obtain `delta`. - for (oldi = i, w = 1, k = base; /* no condition */; k += base) { + pointCount += count - if (index >= inputLength) { - error('invalid-input'); - } + return positions + }, - digit = basicToDigit(input.charCodeAt(index++)); + fill: function (c) { + return !c ? null : rgba(c, 'uint8') + }, - if (digit >= base || digit > floor((maxInt - i) / w)) { - error('overflow'); - } + dashes: function (dashes, state, options) { + var dashLength = state.dashLength, + dashData - i += digit * w; - t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + if (!dashes || dashes.length < 2) { + dashLength = 1. + dashData = new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]) + } - if (digit < t) { - break; - } + else { + dashLength = 0.; + for(var i = 0; i < dashes.length; ++i) { + dashLength += dashes[i] + } + dashData = new Uint8Array(dashLength * dashMult) + var ptr = 0 + var fillColor = 255 + + //repeat texture two times to provide smooth 0-step + for (var k = 0; k < 2; k++) { + for(var i$1 = 0; i$1 < dashes.length; ++i$1) { + for(var j = 0, l = dashes[i$1] * dashMult * .5; j < l; ++j) { + dashData[ptr++] = fillColor + } + fillColor ^= 255 + } + } + } - baseMinusT = base - t; - if (w > floor(maxInt / baseMinusT)) { - error('overflow'); - } + dashTexture.subimage({ + // channels: 1, + data: dashData, + width: dashData.length, + height: 1 + }, 0, state.id) - w *= baseMinusT; + state.dashLength = dashLength - } + return dashData + } + }, - out = output.length + 1; - bias = adapt(i - oldi, out, oldi == 0); + //dependent properties & complement actions + { + close: function (close, state, options) { + if (close != null) { return close } + if (state.positions.length >= 4 && + state.positions[0] === state.positions[state.positions.length - 2] && + state.positions[1] === state.positions[state.positions.length - 1]) { + return true + } + return false + }, - // `i` was supposed to wrap around from `out` to `0`, - // incrementing `n` each time, so we'll fix that now: - if (floor(i / out) > maxInt - n) { - error('overflow'); - } + positions: function (p, state, options) { + if (state.fill && p.length) { + var pos = [] + + //filter bad vertices and remap triangles to ensure shape + var ids = {} + var lastId = 0 + + for (var i = 0, ptr = 0, l = state.count; i < l; i++) { + var x = state.positions[i*2] + var y = state.positions[i*2 + 1] + if (Number.isNaN(x) || Number.isNaN(y)) { + x = state.positions[lastId*2] + y = state.positions[lastId*2 + 1] + ids[i] = lastId + } + else { + lastId = i + } + pos[ptr++] = x + pos[ptr++] = y + } - n += floor(i / out); - i %= out; + var triangles = triangulate(pos, state.hole) - // Insert `n` at position `i` of the output - output.splice(i++, 0, n); + for (var i$1 = 0, l$1 = triangles.length; i$1 < l$1; i$1++) { + if (ids[triangles[i$1]] != null) { triangles[i$1] = ids[triangles[i$1]] } + } - } + state.triangles = triangles + } + return state.positions + }, - return ucs2encode(output); - } + color: function (colors, state, options) { + var count = state.count - /** - * Converts a string of Unicode symbols (e.g. a domain name label) to a - * Punycode string of ASCII-only symbols. - * @memberOf punycode - * @param {String} input The string of Unicode symbols. - * @returns {String} The resulting Punycode string of ASCII-only symbols. - */ - function encode(input) { - var n, - delta, - handledCPCount, - basicLength, - bias, - j, - m, - q, - k, - t, - currentValue, - output = [], - /** `inputLength` will hold the number of code points in `input`. */ - inputLength, - /** Cached calculation results */ - handledCPCountPlusOne, - baseMinusT, - qMinusT; + if (!colors) { colors = 'transparent' } - // Convert the input in UCS-2 to Unicode - input = ucs2decode(input); + // 'black' or [0,0,0,0] case + if (!Array.isArray(colors) || typeof colors[0] === 'number') { + var color = colors; + colors = Array(count); + for (var i = 0; i < count; i++) { + colors[i] = color + } + } - // Cache the length - inputLength = input.length; + if (colors.length < count) { throw Error('Not enough colors') } - // Initialize the state - n = initialN; - delta = 0; - bias = initialBias; + var colorData = new Uint8Array(count * 4 + 4) - // Handle the basic code points - for (j = 0; j < inputLength; ++j) { - currentValue = input[j]; - if (currentValue < 0x80) { - output.push(stringFromCharCode(currentValue)); - } - } + //convert colors to float arrays + for (var i$1 = 0; i$1 < count; i$1++) { + var c = rgba(colors[i$1], 'uint8') + colorData.set(c, i$1 * 4) + } - handledCPCount = basicLength = output.length; + return colorData + }, - // `handledCPCount` is the number of code points that have been handled; - // `basicLength` is the number of basic code points. + range: function (range, state, options) { + if (!state.count) { return null } - // Finish the basic string - if it is not empty - with a delimiter - if (basicLength) { - output.push(delimiter); - } + var bounds = state.bounds + if (!range) { range = bounds } - // Main encoding loop: - while (handledCPCount < inputLength) { + var nrange = normalize(range.slice(), 2, bounds) - // All non-basic code points < n have been handled already. Find the next - // larger one: - for (m = maxInt, j = 0; j < inputLength; ++j) { - currentValue = input[j]; - if (currentValue >= n && currentValue < m) { - m = currentValue; - } - } + state.scale = [1 / (nrange[2] - nrange[0]), 1 / (nrange[3] - nrange[1])] + state.translate = [-nrange[0], -nrange[1]] - // Increase `delta` enough to advance the decoder's state to , - // but guard against overflow - handledCPCountPlusOne = handledCPCount + 1; - if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { - error('overflow'); - } + state.scaleFract = fract32(state.scale) + state.translateFract = fract32(state.translate) - delta += (m - n) * handledCPCountPlusOne; - n = m; + return range + }, - for (j = 0; j < inputLength; ++j) { - currentValue = input[j]; + viewport: function (vp) { + var viewport - if (currentValue < n && ++delta > maxInt) { - error('overflow'); - } + if (Array.isArray(vp)) { + viewport = { + x: vp[0], + y: vp[1], + width: vp[2] - vp[0], + height: vp[3] - vp[1] + } + } + else if (vp) { + viewport = { + x: vp.x || vp.left || 0, + y: vp.y || vp.top || 0 + } - if (currentValue == n) { - // Represent delta as a generalized variable-length integer - for (q = delta, k = base; /* no condition */; k += base) { - t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); - if (q < t) { - break; + if (vp.right) { viewport.width = vp.right - viewport.x } + else { viewport.width = vp.w || vp.width || 0 } + + if (vp.bottom) { viewport.height = vp.bottom - viewport.y } + else { viewport.height = vp.h || vp.height || 0 } + } + else { + viewport = { + x: 0, y: 0, + width: gl.drawingBufferWidth, + height: gl.drawingBufferHeight } - qMinusT = q - t; - baseMinusT = base - t; - output.push( - stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) - ); - q = floor(qMinusT / baseMinusT); } - output.push(stringFromCharCode(digitToBasic(q, 0))); - bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); - delta = 0; - ++handledCPCount; + return viewport } - } + }]) - ++delta; - ++n; + return state + }) + + //put collected data into buffers + //FIXME: possible optimization is updating only segment subdata + if (pointCount) { + var len = pointCount * 2 + lines.length * 6; + var positionData = new Float64Array(len) + var offset = 0 + var colorData = new Uint8Array(len * 2) + lines.forEach(function (state, i) { + if (!state) { return } + + var positions = state.positions; + var count = state.count; + var color = state.color; + state.offset = offset + + if (!count) { return } + + //provide normalized positions + var npos = new Float64Array(positions.length) + npos.set(positions) + normalize(npos, 2, state.bounds) + + //rotate first segment join + if (state.close) { + if (positions[0] === positions[count*2 - 2] && + positions[1] === positions[count*2 - 1]) { + positionData[offset*2 + 0] = npos[count*2 - 4] + positionData[offset*2 + 1] = npos[count*2 - 3] + } + else { + positionData[offset*2 + 0] = npos[count*2 - 2] + positionData[offset*2 + 1] = npos[count*2 - 1] + } + } + else { + positionData[offset*2 + 0] = npos[0] + positionData[offset*2 + 1] = npos[1] + } + colorData[offset*4 + 0] = color[0] + colorData[offset*4 + 1] = color[1] + colorData[offset*4 + 2] = color[2] + colorData[offset*4 + 3] = color[3] + + positionData.set(npos, offset * 2 + 2) + colorData.set(color, offset * 4 + 4) + + //add last segment + if (state.close) { + //ignore coinciding start/end + if (positions[0] === positions[count*2 - 2] && + positions[1] === positions[count*2 - 1]) { + positionData[offset*2 + count*2 + 2] = npos[2] + positionData[offset*2 + count*2 + 3] = npos[3] + offset += count + 2 + state.count -= 1 + } + else { + positionData[offset*2 + count*2 + 2] = npos[0] + positionData[offset*2 + count*2 + 3] = npos[1] + positionData[offset*2 + count*2 + 4] = npos[2] + positionData[offset*2 + count*2 + 5] = npos[3] + offset += count + 3 + } + } + //add stub + else { + positionData[offset*2 + count*2 + 2] = npos[count*2 - 2] + positionData[offset*2 + count*2 + 3] = npos[count*2 - 1] + positionData[offset*2 + count*2 + 4] = npos[count*2 - 2] + positionData[offset*2 + count*2 + 5] = npos[count*2 - 1] + offset += count + 3 + } + }) + + colorBuffer(colorData) + positionBuffer(float32(positionData)) + positionFractBuffer(fract32(positionData)) } - return output.join(''); + + return line2d } - /** - * Converts a Punycode string representing a domain name or an email address - * to Unicode. Only the Punycoded parts of the input will be converted, i.e. - * it doesn't matter if you call it on a string that has already been - * converted to Unicode. - * @memberOf punycode - * @param {String} input The Punycoded domain name or email address to - * convert to Unicode. - * @returns {String} The Unicode representation of the given Punycode - * string. - */ - function toUnicode(input) { - return mapDomain(input, function(string) { - return regexPunycode.test(string) - ? decode(string.slice(4).toLowerCase()) - : string; - }); + function destroy () { + lines.length = 0 + colorBuffer.destroy() + offsetBuffer.destroy() + positionBuffer.destroy() + dashTexture.destroy() + } + + return line2d +} + + +//return fractional part of float32 array +function fract32 (arr) { + var fract = new Float32Array(arr.length) + fract.set(arr) + for (var i = 0, l = fract.length; i < l; i++) { + fract[i] = arr[i] - fract[i] + } + return fract +} +function float32 (arr) { + if (arr instanceof Float32Array) { return arr } + + var float = new Float32Array(arr) + float.set(arr) + return float +} +},{"array-bounds":48,"array-normalize":49,"color-normalize":99,"earcut":135,"flatten-vertex-data":143,"glslify":502,"object-assign":462,"pick-by-alias":473,"update-diff":558}],502:[function(require,module,exports){ +arguments[4][169][0].apply(exports,arguments) +},{"dup":169}],503:[function(require,module,exports){ +'use strict' + +var rgba = require('color-normalize') +var getBounds = require('array-bounds') +var colorId = require('color-id') +var snapPoints = require('snap-points-2d') +var extend = require('object-assign') +var glslify = require('glslify') +var search = require('binary-search-bounds') +var pick = require('pick-by-alias') +var updateDiff = require('update-diff') +var flatten = require('flatten-vertex-data') +var ie = require('is-iexplorer') +var ref = require('to-float32'); +var float32 = ref.float32; +var fract32 = ref.fract32; + +module.exports = Scatter + + +function Scatter (regl, options) { + if (typeof regl === 'function') { + if (!options) { options = {} } + options.regl = regl + } + else { + options = regl + regl = null } - /** - * Converts a Unicode string representing a domain name or an email address to - * Punycode. Only the non-ASCII parts of the domain name will be converted, - * i.e. it doesn't matter if you call it with a domain that's already in - * ASCII. - * @memberOf punycode - * @param {String} input The domain name or email address to convert, as a - * Unicode string. - * @returns {String} The Punycode representation of the given domain name or - * email address. - */ - function toASCII(input) { - return mapDomain(input, function(string) { - return regexNonASCII.test(string) - ? 'xn--' + encode(string) - : string; - }); + if (options && options.length) { options.positions = options } + regl = options.regl + + // persistent variables + var gl = regl._gl, + drawMarker, drawCircle, + sizeBuffer, positionBuffer, positionFractBuffer, colorBuffer, + paletteTexture, palette = [], paletteIds = {}, + defaults = { + color: 'black', + borderColor: 'transparent', + borderSize: 1, + size: 12, + opacity: 1, + marker: undefined, + viewport: null, + range: null, + pixelSize: null, + offset: 0, + count: 0, + bounds: null, + positions: [], + snap: 1e4 + }, + + //state + groups = [], + + //textures for marker keys + markerTextures = [null], + markerCache = [null] + + var maxColors = 4096, maxSize = 100 + + //texture with color palette + paletteTexture = regl.texture({ + data: new Uint8Array(maxColors * 4), + width: maxColors, + height: 1, + type: 'uint8', + format: 'rgba', + wrapS: 'clamp', + wrapT: 'clamp', + mag: 'nearest', + min: 'nearest' + }) + + //buffers to reuse + sizeBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + colorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'uint16', + data: null + }) + positionBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + positionFractBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + + //fast-create from existing regl-scatter instance + if (options.clone) { + groups = options.clone.groups.map(function (group) { + group = extend({}, group) + if (group.markerIds) { + group.markerIds = group.markerIds.map(function (ids) { + // recreate regl elements here + var newIds = ids.slice() + newIds.lod = ids.lod + newIds.snap = ids.snap + newIds.data = ids.data + newIds.id = ids.id + newIds.x = ids.x + newIds.w = ids.w + newIds.elements = regl.elements({ + primitive: 'points', + type: 'uint32', + data: ids.data + }) + return newIds + }) + } + return group + }) + + //create marker textures + options.clone.markers.forEach(function (markers) { + addMarker(markers) + }) + + updateBuffers({point: true, color: true, size: true}) + } + //full create from options + else { + update(options) } - /*--------------------------------------------------------------------------*/ - /** Define the public API */ - punycode = { - /** - * A string representing the current Punycode.js version number. - * @memberOf punycode - * @type String - */ - 'version': '1.4.1', - /** - * An object of methods to convert from JavaScript's internal character - * representation (UCS-2) to Unicode code points, and back. - * @see - * @memberOf punycode - * @type Object - */ - 'ucs2': { - 'decode': ucs2decode, - 'encode': ucs2encode + //common shader options + var shaderOptions = { + uniforms: { + pixelRatio: regl.context('pixelRatio'), + palette: paletteTexture, + scale: regl.prop('scale'), + scaleFract: regl.prop('scaleFract'), + translate: regl.prop('translate'), + translateFract: regl.prop('translateFract'), + opacity: regl.prop('opacity'), + marker: regl.prop('marker') }, - 'decode': decode, - 'encode': encode, - 'toASCII': toASCII, - 'toUnicode': toUnicode - }; - /** Expose `punycode` */ - // Some AMD build optimizers, like r.js, check for specific condition patterns - // like the following: - if ( - typeof define == 'function' && - typeof define.amd == 'object' && - define.amd - ) { - define('punycode', function() { - return punycode; - }); - } else if (freeExports && freeModule) { - if (module.exports == freeExports) { - // in Node.js, io.js, or RingoJS v0.8.0+ - freeModule.exports = punycode; - } else { - // in Narwhal or RingoJS v0.7.0- - for (key in punycode) { - punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); + attributes: { + position: positionBuffer, + positionFract: positionFractBuffer, + size: function (ctx, prop) { return prop.size.length ? { + buffer: sizeBuffer, + stride: 2, + offset: 0 + } : {constant: [Math.round(prop.size * 255 / maxSize)]}; }, + borderSize: function (ctx, prop) { return prop.borderSize.length ? { + buffer: sizeBuffer, + stride: 2, + offset: 1 + } : {constant: [Math.round(prop.borderSize * 255 / maxSize)]}; }, + colorId: function (ctx, prop) { return prop.color.length ? { + buffer: colorBuffer, + stride: 4, + offset: 0 + } : {constant: [prop.color]}; }, + borderColorId: function (ctx, prop) { return prop.borderColor.length ? { + buffer: colorBuffer, + stride: 4, + offset: 2 + } : {constant: [prop.borderColor]}; } + }, + + + blend: { + enable: true, + color: [0,0,0,1], + func: { + srcRGB: 'src alpha', + dstRGB: 'one minus src alpha', + srcAlpha: 'one minus dst alpha', + dstAlpha: 'one' } - } - } else { - // in Rhino or a web browser - root.punycode = punycode; + }, + + scissor: { + enable: true, + box: regl.prop('viewport') + }, + viewport: regl.prop('viewport'), + + stencil: {enable: false}, + depth: {enable: false}, + + + elements: regl.prop('elements'), + count: regl.prop('count'), + offset: regl.prop('offset'), + + primitive: 'points' } -}(this)); + // IE11 shader workaround + if (ie) { + drawCircle = regl(extend({}, shaderOptions, { + frag: glslify(["precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color, borderColor;\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float radius = length(2.0*gl_PointCoord.xy-1.0);\n if(radius > 1.0) {\n discard;\n }\n\n float centerFraction = fragBorderSize == 0. ? 2. : fragSize / (fragSize + fragBorderSize + 1.25);\n\n vec4 baseColor = mix(borderColor, color, smoothStep(radius, centerFraction));\n float alpha = 1.0 - pow(1.0 - baseColor.a, 1.);\n gl_FragColor = vec4(baseColor.rgb * alpha, alpha);\n}\n"]), + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nvoid main() {\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n fragBorderSize = borderSize;\n fragSize = size;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragWidth = 1. / gl_PointSize;\n}\n"]), + uniforms: { + // FIXME: generate attribute color data + color: function (ctx, p) { + var id = p.color.length ? p.color[0] : p.color; + return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) + }, + borderColor: function (ctx, p) { + var id = p.borderColor.length ? p.borderColor[0] : p.borderColor; + return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) + }, + pixelRatio: regl.context('pixelRatio'), + palette: paletteTexture, + scale: regl.prop('scale'), + scaleFract: regl.prop('scaleFract'), + translate: regl.prop('translate'), + translateFract: regl.prop('translateFract'), + opacity: regl.prop('opacity'), + marker: regl.prop('marker') + }, + attributes: { + position: positionBuffer, + positionFract: positionFractBuffer, + size: shaderOptions.attributes.size, + borderSize: shaderOptions.attributes.borderSize + } + })) + } + else { + //draw sdf-marker + var markerOptions = extend({}, shaderOptions) + markerOptions.frag = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragWidth, fragBorderColorLevel, fragColorLevel;\n\nuniform sampler2D marker;\nuniform float pixelRatio, opacity;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float dist = texture2D(marker, gl_PointCoord).r, delta = fragWidth;\n\n //max-distance alpha\n if (dist < 0.003) discard;\n\n //null-border case\n if (fragBorderColorLevel == fragColorLevel || fragBorderColor.a == 0.) {\n float colorAmt = smoothstep(.5 - delta, .5 + delta, dist);\n gl_FragColor = vec4(fragColor.rgb, colorAmt * fragColor.a);\n return;\n }\n\n float borderColorAmt = smoothstep(fragBorderColorLevel - delta, fragBorderColorLevel + delta, dist);\n float colorAmt = smoothstep(fragColorLevel - delta, fragColorLevel + delta, dist);\n\n vec4 color = fragBorderColor;\n color.a *= borderColorAmt;\n color = mix(color, fragColor, colorAmt);\n color.a *= opacity;\n\n gl_FragColor = color;\n}\n"]) + markerOptions.vert = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\nconst float borderLevel = .5;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragPointSize, fragBorderRadius,\n\t\tfragWidth, fragBorderColorLevel, fragColorLevel;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = 2. * size * pixelRatio;\n fragPointSize = size * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n\n fragBorderColorLevel = clamp(borderLevel - borderLevel * borderSize / size, 0., 1.);\n fragColorLevel = clamp(borderLevel + (1. - borderLevel) * borderSize / size, 0., 1.);\n}\n"]) -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],490:[function(require,module,exports){ -module.exports = require('gl-quat/slerp') -},{"gl-quat/slerp":236}],491:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. + drawMarker = regl(markerOptions) -'use strict'; + //draw circle + var circleOptions = extend({}, shaderOptions) + circleOptions.frag = glslify(["precision highp float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\n\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n\tfloat radius, alpha = 1.0, delta = fragWidth;\n\n\tradius = length(2.0 * gl_PointCoord.xy - 1.0);\n\n\tif(radius > 1.0 + delta) {\n\t\tdiscard;\n\t\treturn;\n\t}\n\n\talpha -= smoothstep(1.0 - delta, 1.0 + delta, radius);\n\n\tfloat borderRadius = fragBorderRadius;\n\tfloat ratio = smoothstep(borderRadius - delta, borderRadius + delta, radius);\n\tvec4 color = mix(fragColor, fragBorderColor, ratio);\n\tcolor.a *= alpha * opacity;\n\tgl_FragColor = color;\n}\n"]) + circleOptions.vert = glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n}\n"]) -// If obj.hasOwnProperty has been overridden, then calling -// obj.hasOwnProperty(prop) will break. -// See: https://github.com/joyent/node/issues/1707 -function hasOwnProperty(obj, prop) { - return Object.prototype.hasOwnProperty.call(obj, prop); -} + drawCircle = regl(circleOptions) + } -module.exports = function(qs, sep, eq, options) { - sep = sep || '&'; - eq = eq || '='; - var obj = {}; + //expose API + extend(scatter2d, { + update: update, + draw: draw, + destroy: destroy, + regl: regl, + gl: gl, + canvas: gl.canvas, + groups: groups, + markers: markerCache + }) - if (typeof qs !== 'string' || qs.length === 0) { - return obj; - } - var regexp = /\+/g; - qs = qs.split(sep); + function scatter2d (opts) { + //update + if (opts) { + update(opts) + } - var maxKeys = 1000; - if (options && typeof options.maxKeys === 'number') { - maxKeys = options.maxKeys; - } + //destroy + else if (opts === null) { + destroy() + } - var len = qs.length; - // maxKeys <= 0 means that we should not limit keys count - if (maxKeys > 0 && len > maxKeys) { - len = maxKeys; - } + draw() + } - for (var i = 0; i < len; ++i) { - var x = qs[i].replace(regexp, '%20'), - idx = x.indexOf(eq), - kstr, vstr, k, v; + // draw all groups or only indicated ones + function draw (opts) { + if (typeof opts === 'number') { return drawGroup(opts) } + + // highlight elements + if (Array.isArray(opts)) { + opts.forEach(function (els, i) { + if (els == null) { return } + if (els.length) { return drawGroup(els, i) } + return drawGroup(els) + }) + return + } - if (idx >= 0) { - kstr = x.substr(0, idx); - vstr = x.substr(idx + 1); - } else { - kstr = x; - vstr = ''; - } + // make options a batch + groups.forEach(function (group, i) { + if (!group) { return } - k = decodeURIComponent(kstr); - v = decodeURIComponent(vstr); + drawGroup(i) + }) + } - if (!hasOwnProperty(obj, k)) { - obj[k] = v; - } else if (isArray(obj[k])) { - obj[k].push(v); - } else { - obj[k] = [obj[k], v]; - } - } + // draw specific scatter group + function drawGroup (group, id) { + if (typeof group === 'number') { group = groups[group] } - return obj; -}; + var els + if (Array.isArray(group)) { + els = group + group = groups[id] + } -var isArray = Array.isArray || function (xs) { - return Object.prototype.toString.call(xs) === '[object Array]'; -}; + if (!(group && group.count && group.opacity)) { return } -},{}],492:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. + //if subset of elements to redraw passed - form a whitelist + var whitelist + if (els) { + whitelist = Array(group.count); -'use strict'; + for (var i = 0; i < els.length; i++) { + whitelist[els[i]] = true + } + } -var stringifyPrimitive = function(v) { - switch (typeof v) { - case 'string': - return v; + //draw circles + //FIXME remove regl._refresh hooks once regl issue #427 is fixed + if (group.markerIds[0]) { + regl._refresh() - case 'boolean': - return v ? 'true' : 'false'; + var opts = getMarkerDrawOptions(group.markerIds[0], group, whitelist) + drawCircle(opts) + } - case 'number': - return isFinite(v) ? v : ''; + //draw all other available markers + var batch = [] + for (var i$1 = 1; i$1 < group.markerIds.length; i$1++) { + var ids = group.markerIds[i$1] - default: - return ''; - } -}; + if (!ids || !ids.length) { continue } -module.exports = function(obj, sep, eq, name) { - sep = sep || '&'; - eq = eq || '='; - if (obj === null) { - obj = undefined; - } + [].push.apply(batch, getMarkerDrawOptions(ids, group, whitelist)) + } - if (typeof obj === 'object') { - return map(objectKeys(obj), function(k) { - var ks = encodeURIComponent(stringifyPrimitive(k)) + eq; - if (isArray(obj[k])) { - return map(obj[k], function(v) { - return ks + encodeURIComponent(stringifyPrimitive(v)); - }).join(sep); - } else { - return ks + encodeURIComponent(stringifyPrimitive(obj[k])); - } - }).join(sep); + if (batch.length) { + regl._refresh() + drawMarker(batch) + } + } - } + // get options for the marker ids + function getMarkerDrawOptions(ids, group, whitelist) { + var range = group.range; + var offset = group.offset; + //unsnapped options + if (!ids.snap) { + var elements = whitelist ? filter(ids.data, whitelist) : ids.elements; + + return [extend({}, group, { + elements: elements, + offset: 0, + count: whitelist ? elements.length : ids.length, + marker: markerTextures[ids.id] + })] + } - if (!name) return ''; - return encodeURIComponent(stringifyPrimitive(name)) + eq + - encodeURIComponent(stringifyPrimitive(obj)); -}; + //scales batch + var batch = [] + var lod = ids.lod; + var x = ids.x; + var id = ids.id; -var isArray = Array.isArray || function (xs) { - return Object.prototype.toString.call(xs) === '[object Array]'; -}; + var pixelSize = (range[2] - range[0]) / group.viewport.width -function map (xs, f) { - if (xs.map) return xs.map(f); - var res = []; - for (var i = 0; i < xs.length; i++) { - res.push(f(xs[i], i)); - } - return res; -} + for (var scaleNum = lod.length; scaleNum--;) { + var level = lod[scaleNum] -var objectKeys = Object.keys || function (obj) { - var res = []; - for (var key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key); - } - return res; -}; + //FIXME: use minSize-adaptive coeff here, if makes sense, mb we need dist tho + if (level.pixelSize && level.pixelSize < pixelSize && scaleNum > 1) { + continue + } -},{}],493:[function(require,module,exports){ -'use strict'; + var intervalStart = level.offset + var intervalEnd = level.count + intervalStart -exports.decode = exports.parse = require('./decode'); -exports.encode = exports.stringify = require('./encode'); + var startOffset = search.ge(x, range[0], intervalStart, intervalEnd - 1) + var endOffset = search.lt(x, range[2], startOffset, intervalEnd - 1) + 1 -},{"./decode":491,"./encode":492}],494:[function(require,module,exports){ -'use strict'; + if (endOffset <= startOffset) { continue } -module.exports = partialSort; + // whitelisted level requires subelements from the range + if (whitelist) { + var elements$1 = filter(ids.data.subarray(startOffset, endOffset), whitelist) -// Floyd-Rivest selection algorithm: -// Rearrange items so that all items in the [left, k] range are smaller than all items in (k, right]; -// The k-th element will have the (k - left + 1)th smallest value in [left, right] + batch.push(extend({}, group, { + elements: elements$1, + marker: markerTextures[id], + offset: 0, + count: elements$1.length + })) + } + else { + batch.push(extend({}, group, { + elements: ids.elements, + marker: markerTextures[id], + offset: startOffset, + count: endOffset - startOffset + })) + } + } -function partialSort(arr, k, left, right, compare) { - left = left || 0; - right = right || (arr.length - 1); - compare = compare || defaultCompare; + function filter(offsets, whitelist) { + var subEls = [] + for (var i = 0, l = offsets.length; i < l; i++) { + var el = offsets[i] + var id = el - offset + if (whitelist[id]) { + subEls.push(el) + } + } + return subEls + } - while (right > left) { - if (right - left > 600) { - var n = right - left + 1; - var m = k - left + 1; - var z = Math.log(n); - var s = 0.5 * Math.exp(2 * z / 3); - var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); - var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); - var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); - partialSort(arr, k, newLeft, newRight, compare); - } + return batch + } - var t = arr[k]; - var i = left; - var j = right; + // update groups options + function update (options) { + if (!options) { return } - swap(arr, left, k); - if (compare(arr[right], t) > 0) swap(arr, left, right); + //direct points argument + if (options.length != null) { + if (typeof options[0] === 'number') { options = [{positions: options}] } + } + //make options a batch + else if (!Array.isArray(options)) { options = [options] } + + //global count of points + var pointCount = 0, sizeCount = 0, colorCount = 0 + + groups = options.map(function (options, i) { + var group = groups[i] + + if (!options) { return group } + else if (typeof options === 'function') { options = {after: options} } + else if (typeof options[0] === 'number') { options = {positions: options} } + + //copy options to avoid mutation & handle aliases + options = pick(options, { + positions: 'positions data points', + snap: 'snap cluster', + size: 'sizes size radius', + borderSize: 'borderSizes borderSize stroke-width strokeWidth outline', + color: 'colors color fill fill-color fillColor', + borderColor: 'borderColors borderColor stroke stroke-color strokeColor', + palette: 'palette swatch', + marker: 'markers marker shape', + range: 'range dataBox', + viewport: 'viewport viewBox', + opacity: 'opacity alpha' + }) + if (!group) { + groups[i] = group = { + id: i, + scale: null, + translate: null, + scaleFract: null, + translateFract: null, + + //list of ids corresponding to markers, with inner props + markerIds: [] + } + options = extend({}, defaults, options) + } - while (i < j) { - swap(arr, i, j); - i++; - j--; - while (compare(arr[i], t) < 0) i++; - while (compare(arr[j], t) > 0) j--; - } + //force update triggers + if (options.positions && !('marker' in options)) { + options.marker = group.marker + delete group.marker + } - if (compare(arr[left], t) === 0) swap(arr, left, j); - else { - j++; - swap(arr, j, right); - } + updateDiff(group, options, [{ + snap: true, + size: function (s) { + sizeCount += s.length ? 1 : 0 + return s + }, + borderSize: function (s) { + sizeCount += s.length ? 1 : 0 + return s + }, + opacity: parseFloat, - if (j <= k) left = j + 1; - if (k <= j) right = j - 1; - } -} + //add colors to palette, save references + color: function (c) { + c = updateColor(c) + colorCount++ + return c + }, + borderColor: function (c) { + c = updateColor(c) + colorCount++ + return c + }, -function swap(arr, i, j) { - var tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; -} + positions: function (positions, group, options) { + positions = flatten(positions, 'float64') -function defaultCompare(a, b) { - return a < b ? -1 : a > b ? 1 : 0; -} + var count = group.count = Math.floor(positions.length / 2) + var bounds = group.bounds = count ? getBounds(positions, 2) : null -},{}],495:[function(require,module,exports){ -'use strict' + // if range is not provided updated - recalc it + if (!options.range && !group.range) { + delete group.range + options.range = bounds + } -var bnadd = require('big-rat/add') + group.offset = pointCount + pointCount += count -module.exports = add + // reset marker + if (!options.marker && !group.marker) { + delete group.marker; + options.marker = null; + } -function add (a, b) { - var n = a.length - var r = new Array(n) - for (var i=0; i snap)) { + ids.snap = true + var x = ids.x = Array(l) + var w = ids.w = Array(l) + var markerPoints = (void 0) + + //multimarker snapping is computationally more intense + if (markerIds.length > 1) { + markerPoints = Array(l * 2) + + for (var i$1 = 0; i$1 < l; i$1++) { + var id = ids[i$1] + markerPoints[i$1 * 2] = positions[id * 2] + markerPoints[i$1 * 2 + 1] = positions[id * 2 + 1] + } + } + else { + markerPoints = new Float64Array(positions.length) + markerPoints.set(positions) + } + + //shuffled_id: real_id + var i2id = new Uint32Array(l) + + ids.lod = snapPoints(markerPoints, i2id, w, bounds) + + els = new Uint32Array(l) + for (var i$2 = 0; i$2 < l; i$2++) { + var id$1 = i2id[i$2], iid = ids[id$1] + els[i$2] = iid + offset + x[i$2] = positions[iid * 2] + } + } + else { + els = new Uint32Array(l) + for (var i$3 = 0; i$3 < l; i$3++) { + els[i$3] = ids[i$3] + offset + } + } -function float2rat(v) { - var result = new Array(v.length) - for(var i=0; i 0) { - var f = cells[ptr-1] - if(compareCell(c, f) === 0 && - orientation(f) !== o) { - ptr -= 1 - continue - } - } - cells[ptr++] = c - } - cells.length = ptr - return cells -} + updateBuffers({ + point: pointCount, + size: sizeCount, + color: colorCount + }) + } -},{"cell-orientation":90,"compare-cell":107,"compare-oriented-cell":108}],500:[function(require,module,exports){ -'use strict' - -var getBounds = require('array-bounds') -var rgba = require('color-normalize') -var updateDiff = require('update-diff') -var pick = require('pick-by-alias') -var extend = require('object-assign') -var flatten = require('flatten-vertex-data') -var ref = require('to-float32'); -var float32 = ref.float32; -var fract32 = ref.fract32; - -module.exports = Error2D - -var WEIGHTS = [ - //direction, lineWidth shift, capSize shift - - // x-error bar - [1, 0, 0, 1, 0, 0], - [1, 0, 0, -1, 0, 0], - [-1, 0, 0, -1, 0, 0], - - [-1, 0, 0, -1, 0, 0], - [-1, 0, 0, 1, 0, 0], - [1, 0, 0, 1, 0, 0], - - // x-error right cap - [1, 0, -1, 0, 0, 1], - [1, 0, -1, 0, 0, -1], - [1, 0, 1, 0, 0, -1], - - [1, 0, 1, 0, 0, -1], - [1, 0, 1, 0, 0, 1], - [1, 0, -1, 0, 0, 1], - - // x-error left cap - [-1, 0, -1, 0, 0, 1], - [-1, 0, -1, 0, 0, -1], - [-1, 0, 1, 0, 0, -1], - - [-1, 0, 1, 0, 0, -1], - [-1, 0, 1, 0, 0, 1], - [-1, 0, -1, 0, 0, 1], - - // y-error bar - [0, 1, 1, 0, 0, 0], - [0, 1, -1, 0, 0, 0], - [0, -1, -1, 0, 0, 0], - - [0, -1, -1, 0, 0, 0], - [0, 1, 1, 0, 0, 0], - [0, -1, 1, 0, 0, 0], - - // y-error top cap - [0, 1, 0, -1, 1, 0], - [0, 1, 0, -1, -1, 0], - [0, 1, 0, 1, -1, 0], - - [0, 1, 0, 1, 1, 0], - [0, 1, 0, -1, 1, 0], - [0, 1, 0, 1, -1, 0], - - // y-error bottom cap - [0, -1, 0, -1, 1, 0], - [0, -1, 0, -1, -1, 0], - [0, -1, 0, 1, -1, 0], - - [0, -1, 0, 1, 1, 0], - [0, -1, 0, -1, 1, 0], - [0, -1, 0, 1, -1, 0] -] - - -function Error2D (regl, options) { - if (typeof regl === 'function') { - if (!options) { options = {} } - options.regl = regl - } - else { - options = regl - } - if (options.length) { options.positions = options } - regl = options.regl - - if (!regl.hasExtension('ANGLE_instanced_arrays')) { - throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); - } - - // persistent variables - var gl = regl._gl, drawErrors, positionBuffer, positionFractBuffer, colorBuffer, errorBuffer, meshBuffer, - defaults = { - color: 'black', - capSize: 5, - lineWidth: 1, - opacity: 1, - viewport: null, - range: null, - offset: 0, - count: 0, - bounds: null, - positions: [], - errors: [] - }, groups = [] - - //color per-point - colorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'uint8', - data: null - }) - //xy-position per-point - positionBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - //xy-position float32-fraction - positionFractBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - //4 errors per-point - errorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - //error bar mesh - meshBuffer = regl.buffer({ - usage: 'static', - type: 'float', - data: WEIGHTS - }) - - update(options) - - //drawing method - drawErrors = regl({ - vert: "\n\t\tprecision highp float;\n\n\t\tattribute vec2 position, positionFract;\n\t\tattribute vec4 error;\n\t\tattribute vec4 color;\n\n\t\tattribute vec2 direction, lineOffset, capOffset;\n\n\t\tuniform vec4 viewport;\n\t\tuniform float lineWidth, capSize;\n\t\tuniform vec2 scale, scaleFract, translate, translateFract;\n\n\t\tvarying vec4 fragColor;\n\n\t\tvoid main() {\n\t\t\tfragColor = color / 255.;\n\n\t\t\tvec2 pixelOffset = lineWidth * lineOffset + (capSize + lineWidth) * capOffset;\n\n\t\t\tvec2 dxy = -step(.5, direction.xy) * error.xz + step(direction.xy, vec2(-.5)) * error.yw;\n\n\t\t\tvec2 position = position + dxy;\n\n\t\t\tvec2 pos = (position + translate) * scale\n\t\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t\t+ (position + translate) * scaleFract\n\t\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n\t\t\tpos += pixelOffset / viewport.zw;\n\n\t\t\tgl_Position = vec4(pos * 2. - 1., 0, 1);\n\t\t}\n\t\t", - - frag: "\n\t\tprecision mediump float;\n\n\t\tvarying vec4 fragColor;\n\n\t\tuniform float opacity;\n\n\t\tvoid main() {\n\t\t\tgl_FragColor = fragColor;\n\t\t\tgl_FragColor.a *= opacity;\n\t\t}\n\t\t", - - uniforms: { - range: regl.prop('range'), - lineWidth: regl.prop('lineWidth'), - capSize: regl.prop('capSize'), - opacity: regl.prop('opacity'), - scale: regl.prop('scale'), - translate: regl.prop('translate'), - scaleFract: regl.prop('scaleFract'), - translateFract: regl.prop('translateFract'), - viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } - }, - - attributes: { - //dynamic attributes - color: { - buffer: colorBuffer, - offset: function (ctx, prop) { return prop.offset * 4; }, - divisor: 1, - }, - position: { - buffer: positionBuffer, - offset: function (ctx, prop) { return prop.offset * 8; }, - divisor: 1 - }, - positionFract: { - buffer: positionFractBuffer, - offset: function (ctx, prop) { return prop.offset * 8; }, - divisor: 1 - }, - error: { - buffer: errorBuffer, - offset: function (ctx, prop) { return prop.offset * 16; }, - divisor: 1 - }, - - //static attributes - direction: { - buffer: meshBuffer, - stride: 24, - offset: 0 - }, - lineOffset: { - buffer: meshBuffer, - stride: 24, - offset: 8 - }, - capOffset: { - buffer: meshBuffer, - stride: 24, - offset: 16 - } - }, - - primitive: 'triangles', - - blend: { - enable: true, - color: [0,0,0,0], - equation: { - rgb: 'add', - alpha: 'add' - }, - func: { - srcRGB: 'src alpha', - dstRGB: 'one minus src alpha', - srcAlpha: 'one minus dst alpha', - dstAlpha: 'one' - } - }, - - depth: { - enable: false - }, - - scissor: { - enable: true, - box: regl.prop('viewport') - }, - viewport: regl.prop('viewport'), - stencil: false, - - instances: regl.prop('count'), - count: WEIGHTS.length - }) - - //expose API - extend(error2d, { - update: update, - draw: draw, - destroy: destroy, - regl: regl, - gl: gl, - canvas: gl.canvas, - groups: groups - }) - - return error2d - - function error2d (opts) { - //update - if (opts) { - update(opts) - } - - //destroy - else if (opts === null) { - destroy() - } - - draw() - } - - - //main draw method - function draw (options) { - if (typeof options === 'number') { return drawGroup(options) } - - //make options a batch - if (options && !Array.isArray(options)) { options = [options] } - - - regl._refresh() - - //render multiple polylines via regl batch - groups.forEach(function (s, i) { - if (!s) { return } - - if (options) { - if (!options[i]) { s.draw = false } - else { s.draw = true } - } - - //ignore draw flag for one pass - if (!s.draw) { - s.draw = true; - return - } - - drawGroup(i) - }) - } - - //draw single error group by id - function drawGroup (s) { - if (typeof s === 'number') { s = groups[s] } - if (s == null) { return } - - if (!(s && s.count && s.color && s.opacity && s.positions && s.positions.length > 1)) { return } - - s.scaleRatio = [ - s.scale[0] * s.viewport.width, - s.scale[1] * s.viewport.height - ] - - drawErrors(s) - - if (s.after) { s.after(s) } - } - - function update (options) { - if (!options) { return } - - //direct points argument - if (options.length != null) { - if (typeof options[0] === 'number') { options = [{positions: options}] } - } - - //make options a batch - else if (!Array.isArray(options)) { options = [options] } - - //global count of points - var pointCount = 0, errorCount = 0 - - groups = options.map(function (options, i) { - var group = groups[i] - - if (!options) { return group } - else if (typeof options === 'function') { options = {after: options} } - else if (typeof options[0] === 'number') { options = {positions: options} } - - //copy options to avoid mutation & handle aliases - options = pick(options, { - color: 'color colors fill', - capSize: 'capSize cap capsize cap-size', - lineWidth: 'lineWidth line-width width line thickness', - opacity: 'opacity alpha', - range: 'range dataBox', - viewport: 'viewport viewBox', - errors: 'errors error', - positions: 'positions position data points' - }) - - if (!group) { - groups[i] = group = { - id: i, - scale: null, - translate: null, - scaleFract: null, - translateFract: null, - draw: true - } - options = extend({}, defaults, options) - } - - updateDiff(group, options, [{ - lineWidth: function (v) { return +v * .5; }, - capSize: function (v) { return +v * .5; }, - opacity: parseFloat, - errors: function (errors) { - errors = flatten(errors) - - errorCount += errors.length - return errors - }, - positions: function (positions, state) { - positions = flatten(positions, 'float64') - state.count = Math.floor(positions.length / 2) - state.bounds = getBounds(positions, 2) - state.offset = pointCount - - pointCount += state.count - - return positions - } - }, { - color: function (colors, state) { - var count = state.count - - if (!colors) { colors = 'transparent' } - - // 'black' or [0,0,0,0] case - if (!Array.isArray(colors) || typeof colors[0] === 'number') { - var color = colors - colors = Array(count) - for (var i = 0; i < count; i++) { - colors[i] = color - } - } - - if (colors.length < count) { throw Error('Not enough colors') } - - var colorData = new Uint8Array(count * 4) - - //convert colors to float arrays - for (var i$1 = 0; i$1 < count; i$1++) { - var c = rgba(colors[i$1], 'uint8') - colorData.set(c, i$1 * 4) - } - - return colorData - }, - - range: function (range, state, options) { - var bounds = state.bounds - if (!range) { range = bounds } - - state.scale = [1 / (range[2] - range[0]), 1 / (range[3] - range[1])] - state.translate = [-range[0], -range[1]] - - state.scaleFract = fract32(state.scale) - state.translateFract = fract32(state.translate) - - return range - }, - - viewport: function (vp) { - var viewport - - if (Array.isArray(vp)) { - viewport = { - x: vp[0], - y: vp[1], - width: vp[2] - vp[0], - height: vp[3] - vp[1] - } - } - else if (vp) { - viewport = { - x: vp.x || vp.left || 0, - y: vp.y || vp.top || 0 - } - - if (vp.right) { viewport.width = vp.right - viewport.x } - else { viewport.width = vp.w || vp.width || 0 } - - if (vp.bottom) { viewport.height = vp.bottom - viewport.y } - else { viewport.height = vp.h || vp.height || 0 } - } - else { - viewport = { - x: 0, y: 0, - width: gl.drawingBufferWidth, - height: gl.drawingBufferHeight - } - } - - return viewport - } - }]) - - return group - }) - - if (pointCount || errorCount) { - var len = groups.reduce(function (acc, group, i) { - return acc + (group ? group.count : 0) - }, 0) - - var positionData = new Float64Array(len * 2) - var colorData = new Uint8Array(len * 4) - var errorData = new Float32Array(len * 4) - - groups.forEach(function (group, i) { - if (!group) { return } - var positions = group.positions; - var count = group.count; - var offset = group.offset; - var color = group.color; - var errors = group.errors; - if (!count) { return } - - colorData.set(color, offset * 4) - errorData.set(errors, offset * 4) - positionData.set(positions, offset * 2) - }) - - positionBuffer(float32(positionData)) - positionFractBuffer(fract32(positionData)) - colorBuffer(colorData) - errorBuffer(errorData) - } - - } - - function destroy () { - positionBuffer.destroy() - positionFractBuffer.destroy() - colorBuffer.destroy() - errorBuffer.destroy() - meshBuffer.destroy() - } -} -},{"array-bounds":48,"color-normalize":99,"flatten-vertex-data":143,"object-assign":462,"pick-by-alias":473,"to-float32":547,"update-diff":558}],501:[function(require,module,exports){ -'use strict' - -var rgba = require('color-normalize') -var getBounds = require('array-bounds') -var extend = require('object-assign') -var glslify = require('glslify') -var pick = require('pick-by-alias') -var updateDiff = require('update-diff') -var flatten = require('flatten-vertex-data') -var triangulate = require('earcut') -var normalize = require('array-normalize') - -module.exports = createLine - - -function createLine (regl, options) { - if (typeof regl === 'function') { - if (!options) { options = {} } - options.regl = regl - } - else { - options = regl - } - if (options.length) { options.positions = options } - regl = options.regl - - if (!regl.hasExtension('ANGLE_instanced_arrays')) { - throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); - } - - // persistent variables - var gl = regl._gl, drawMiterLine, drawRectLine, drawFill, colorBuffer, offsetBuffer, positionBuffer, positionFractBuffer, dashTexture, - - // used to for new lines instances - defaults = { - positions: [], - dashes: null, - join: null, - miterLimit: 1, - thickness: 10, - cap: 'square', - color: 'black', - opacity: 1, - overlay: false, - viewport: null, - range: null, - close: null, - fill: null - }, - - // list of options for lines - lines = [] - - var dashMult = 2, maxPatternLength = 256, maxLinesNumber = 2048, precisionThreshold = 3e6, maxPoints = 1e4 - - - //color per-point - colorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'uint8', - data: null - }) - offsetBuffer = regl.buffer({ - usage: 'static', - type: 'float', - data: [0,1, 0,0, 1,1, 1,0] - }) - positionBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - positionFractBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - dashTexture = regl.texture({ - channels: 1, - data: new Uint8Array(maxPatternLength * maxLinesNumber), - width: maxPatternLength, - height: maxLinesNumber, - mag: 'linear', - min: 'linear' - }) - - //init defaults - update(options) - - var shaderOptions = { - primitive: 'triangle strip', - instances: regl.prop('count'), - count: 4, - offset: 0, - - uniforms: { - miterMode: function (ctx, prop) { return prop.join === 'round' ? 2 : 1; }, - miterLimit: regl.prop('miterLimit'), - scale: regl.prop('scale'), - scaleFract: regl.prop('scaleFract'), - translateFract: regl.prop('translateFract'), - translate: regl.prop('translate'), - thickness: regl.prop('thickness'), - dashPattern: dashTexture, - dashLength: regl.prop('dashLength'), - dashShape: [maxPatternLength, maxLinesNumber], - opacity: regl.prop('opacity'), - pixelRatio: regl.context('pixelRatio'), - id: regl.prop('id'), - scaleRatio: regl.prop('scaleRatio'), - viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } - }, - - blend: { - enable: true, - color: [0,0,0,0], - equation: { - rgb: 'add', - alpha: 'add' - }, - func: { - srcRGB: 'src alpha', - dstRGB: 'one minus src alpha', - srcAlpha: 'one minus dst alpha', - dstAlpha: 'one' - } - }, - depth: { - enable: function (ctx, prop) { - return !prop.overlay - } - }, - scissor: { - enable: true, - box: regl.prop('viewport') - }, - stencil: false, - viewport: regl.prop('viewport') - } - - //create regl draw - drawMiterLine = regl(extend({ - //culling removes polygon creasing - cull: { - enable: true, - face: 'back' - }, - - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, nextCoord, prevCoord;\nattribute vec4 aColor, bColor;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, translate, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\nuniform float miterLimit, dashLength, miterMode;\n\nvarying vec4 fragColor;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 tangent;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nconst float MAX_LINES = 256.;\nconst float REVERSE_THRESHOLD = -.875;\nconst float MIN_DIST = 1.;\n\n//TODO: possible optimizations: avoid overcalculating all for vertices and calc just one instead\n//TODO: precalculate dot products, normalize things beforehead etc.\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nbool isNaN( float val ){\n return ( val < 0.0 || 0.0 < val || val == 0.0 ) ? false : true;\n}\n\nvoid main() {\n\tvec2 aCoord = aCoord, bCoord = bCoord, prevCoord = prevCoord, nextCoord = nextCoord;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineBot = 1. - lineTop;\n\tfloat depth = (MAX_LINES - 1. - id) / MAX_LINES;\n\n\tfragColor = (lineStart * aColor + lineEnd * bColor) / 255.;\n\n\tif (isNaN(aCoord.x) || isNaN(aCoord.y) || isNaN(bCoord.x) || isNaN(bCoord.y)) return;\n\n\tif (aCoord == prevCoord) prevCoord = aCoord + normalize(bCoord - aCoord);\n\tif (bCoord == nextCoord) nextCoord = bCoord - normalize(bCoord - aCoord);\n\n\tvec2 prevDiff = aCoord - prevCoord;\n\tvec2 currDiff = bCoord - aCoord;\n\tvec2 nextDiff = nextCoord - bCoord;\n\n\tvec2 prevDirection = normalize(prevDiff);\n\tvec2 currDirection = normalize(currDiff);\n\tvec2 nextDirection = normalize(nextDiff);\n\n\tvec2 prevTangent = normalize(prevDiff * scaleRatio);\n\tvec2 currTangent = normalize(currDiff * scaleRatio);\n\tvec2 nextTangent = normalize(nextDiff * scaleRatio);\n\n\tvec2 prevNormal = vec2(-prevTangent.y, prevTangent.x);\n\tvec2 currNormal = vec2(-currTangent.y, currTangent.x);\n\tvec2 nextNormal = vec2(-nextTangent.y, nextTangent.x);\n\n\tvec2 startJoinDirection = normalize(prevTangent - currTangent);\n\tvec2 endJoinDirection = normalize(currTangent - nextTangent);\n\n\t//collapsed/unidirectional segment cases\n\tif (prevDirection == currDirection) {\n\t\tstartJoinDirection = currNormal;\n\t}\n\tif (nextDirection == currDirection) {\n\t\tendJoinDirection = currNormal;\n\t}\n\tif (aCoord == bCoord) {\n\t\tendJoinDirection = startJoinDirection;\n\t\tcurrNormal = prevNormal;\n\t\tcurrTangent = prevTangent;\n\t}\n\n\ttangent = currTangent;\n\n\t//calculate join shifts relative to normals\n\tfloat startJoinShift = dot(currNormal, startJoinDirection);\n\tfloat endJoinShift = dot(currNormal, endJoinDirection);\n\n\tfloat startMiterRatio = abs(1. / startJoinShift);\n\tfloat endMiterRatio = abs(1. / endJoinShift);\n\n\tvec2 startJoin = startJoinDirection * startMiterRatio;\n\tvec2 endJoin = endJoinDirection * endMiterRatio;\n\n\tvec2 startTopJoin, startBotJoin, endTopJoin, endBotJoin;\n\tstartTopJoin = sign(startJoinShift) * startJoin * .5;\n\tstartBotJoin = -startTopJoin;\n\n\tendTopJoin = sign(endJoinShift) * endJoin * .5;\n\tendBotJoin = -endTopJoin;\n\n\tvec2 aTopCoord = aCoord + normalWidth * startTopJoin;\n\tvec2 bTopCoord = bCoord + normalWidth * endTopJoin;\n\tvec2 aBotCoord = aCoord + normalWidth * startBotJoin;\n\tvec2 bBotCoord = bCoord + normalWidth * endBotJoin;\n\n\t//miter anti-clipping\n\tfloat baClipping = distToLine(bCoord, aCoord, aBotCoord) / dot(normalize(normalWidth * endBotJoin), normalize(normalWidth.yx * vec2(-startBotJoin.y, startBotJoin.x)));\n\tfloat abClipping = distToLine(aCoord, bCoord, bTopCoord) / dot(normalize(normalWidth * startBotJoin), normalize(normalWidth.yx * vec2(-endBotJoin.y, endBotJoin.x)));\n\n\t//prevent close to reverse direction switch\n\tbool prevReverse = dot(currTangent, prevTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, prevNormal)) * min(length(prevDiff), length(currDiff)) < length(normalWidth * currNormal);\n\tbool nextReverse = dot(currTangent, nextTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, nextNormal)) * min(length(nextDiff), length(currDiff)) < length(normalWidth * currNormal);\n\n\tif (prevReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * startJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / startMiterRatio, 1.);\n\t\taBotCoord = aCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\taTopCoord = aCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!nextReverse && baClipping > 0. && baClipping < length(normalWidth * endBotJoin)) {\n\t\t//handle miter clipping\n\t\tbTopCoord -= normalWidth * endTopJoin;\n\t\tbTopCoord += normalize(endTopJoin * normalWidth) * baClipping;\n\t}\n\n\tif (nextReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * endJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / endMiterRatio, 1.);\n\t\tbBotCoord = bCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\tbTopCoord = bCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!prevReverse && abClipping > 0. && abClipping < length(normalWidth * startBotJoin)) {\n\t\t//handle miter clipping\n\t\taBotCoord -= normalWidth * startBotJoin;\n\t\taBotCoord += normalize(startBotJoin * normalWidth) * abClipping;\n\t}\n\n\tvec2 aTopPosition = (aTopCoord + translate) * scale;\n\tvec2 aBotPosition = (aBotCoord + translate) * scale;\n\n\tvec2 bTopPosition = (bTopCoord + translate) * scale;\n\tvec2 bBotPosition = (bBotCoord + translate) * scale;\n\n\t//position is normalized 0..1 coord on the screen\n\tvec2 position = (aTopPosition * lineTop + aBotPosition * lineBot) * lineStart + (bTopPosition * lineTop + bBotPosition * lineBot) * lineEnd;\n\n\tstartCoord = (aCoord + translate) * scaleRatio + viewport.xy;\n\tendCoord = (bCoord + translate) * scaleRatio + viewport.xy;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tenableStartMiter = step(dot(currTangent, prevTangent), .5);\n\tenableEndMiter = step(dot(currTangent, nextTangent), .5);\n\n\t//bevel miter cutoffs\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * miterLimit * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * miterLimit * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n\n\t//round miter cutoffs\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * abs(dot(startJoinDirection, currNormal)) * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * abs(dot(endJoinDirection, currNormal)) * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n}\n"]), - frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id, miterMode;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nvoid main() {\n\tfloat alpha = 1., distToStart, distToEnd;\n\tfloat cutoff = thickness * .5;\n\n\t//bevel miter\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToStart + 1., 0.), 1.);\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToEnd + 1., 0.), 1.);\n\t\t}\n\t}\n\n\t// round miter\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - startCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - endCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\t}\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), - - attributes: { - lineEnd: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 0 - }, - lineTop: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 4 - }, - aColor: { - buffer: colorBuffer, - stride: 4, - offset: function (ctx, prop) { return prop.offset * 4; }, - divisor: 1 - }, - bColor: { - buffer: colorBuffer, - stride: 4, - offset: function (ctx, prop) { return prop.offset * 4 + 4; }, - divisor: 1 - }, - prevCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return prop.offset * 8; }, - divisor: 1 - }, - aCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; }, - divisor: 1 - }, - bCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 16 + prop.offset * 8; }, - divisor: 1 - }, - nextCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 24 + prop.offset * 8; }, - divisor: 1 - } - } - }, shaderOptions)) - - //simplified rectangular line shader - drawRectLine = regl(extend({ - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, aCoordFract, bCoordFract;\nattribute vec4 color;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nconst float MAX_LINES = 256.;\n\nvec2 project(vec2 position, vec2 positionFract, vec2 scale, vec2 scaleFract, vec2 translate, vec2 translateFract) {\n return (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n}\n\nvoid main() {\n\t// vec2 scaleRatio = scale * viewport.zw;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineOffset = lineTop * 2. - 1.;\n\tfloat depth = (MAX_LINES - 1. - id) / (MAX_LINES);\n\n\tvec2 diff = (bCoord + bCoordFract - aCoord - aCoordFract);\n\ttangent = normalize(diff * scaleRatio);\n\tvec2 normal = vec2(-tangent.y, tangent.x);\n\n\tvec2 position = project(aCoord, aCoordFract, scale, scaleFract, translate, translateFract) * lineStart\n\t\t+ project(bCoord, bCoordFract, scale, scaleFract, translate, translateFract) * lineEnd\n\n\t\t+ thickness * normal * .5 * lineOffset / viewport.zw;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), - frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nvoid main() {\n\tfloat alpha = 1.;\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), - - attributes: { - lineEnd: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 0 - }, - lineTop: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 4 - }, - aCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; }, - divisor: 1 - }, - bCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 16 + prop.offset * 8; }, - divisor: 1 - }, - aCoordFract: { - buffer: positionFractBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; }, - divisor: 1 - }, - bCoordFract: { - buffer: positionFractBuffer, - stride: 8, - offset: function (ctx, prop) { return 16 + prop.offset * 8; }, - divisor: 1 - }, - color: { - buffer: colorBuffer, - stride: 4, - offset: function (ctx, prop) { return prop.offset * 4; }, - divisor: 1 - } - } - }, shaderOptions)) - - - //fill shader - drawFill = regl({ - primitive: 'triangle', - elements: function (ctx, prop) { return prop.triangles; }, - offset: 0, - - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\n\nuniform vec4 color;\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\n\nconst float MAX_LINES = 256.;\n\nvoid main() {\n\tfloat depth = (MAX_LINES - 4. - id) / (MAX_LINES);\n\n\tvec2 position = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), - frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform float opacity;\n\nvarying vec4 fragColor;\n\nvoid main() {\n\tgl_FragColor = fragColor;\n\tgl_FragColor.a *= opacity;\n}\n"]), - - uniforms: { - scale: regl.prop('scale'), - color: regl.prop('fill'), - scaleFract: regl.prop('scaleFract'), - translateFract: regl.prop('translateFract'), - translate: regl.prop('translate'), - opacity: regl.prop('opacity'), - pixelRatio: regl.context('pixelRatio'), - id: regl.prop('id'), - viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } - }, - - attributes: { - position: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; } - }, - positionFract: { - buffer: positionFractBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; } - } - }, - - blend: shaderOptions.blend, - - depth: { - enable: false - }, - scissor: shaderOptions.scissor, - stencil: shaderOptions.stencil, - viewport: shaderOptions.viewport - }) - - //expose API - extend(line2d, { - update: update, - draw: draw, - destroy: destroy, - regl: regl, - gl: gl, - canvas: gl.canvas, - lines: lines - }) - - function line2d (opts) { - //update - if (opts) { - update(opts) - } - - //destroy - else if (opts === null) { - destroy() - } - - draw() - } - - function draw (options) { - if (typeof options === 'number') { return drawLine(options) } - - //make options a batch - if (options && !Array.isArray(options)) { options = [options] } - - //render multiple polylines via regl batch - lines.forEach(function (s, i) { - if (options) { - if (!options[i]) { s.draw = false } - else { s.draw = true } - } - - //ignore draw flag for one pass - if (!s.draw) { - s.draw = true; - return - } - - drawLine(i) - }) - } - - //draw single line by id - function drawLine (s) { - if (typeof s === 'number') { s = lines[s] } - - if (!(s && s.count && s.opacity && s.positions && s.positions.length > 2)) { return } - - regl._refresh() - - if (s.fill && s.triangles && s.triangles.length > 2) { - drawFill(s) - } - - if (!s.thickness || !s.color) { return } - - s.scaleRatio = [ - s.scale[0] * s.viewport.width, - s.scale[1] * s.viewport.height - ] - - //high scale is only available for rect mode with precision - if (s.scaleRatio[0] > precisionThreshold || s.scaleRatio[1] > precisionThreshold) { - drawRectLine(s) - } - - //thin lines or too many points are rendered as simplified rect shader - else if (s.join === 'rect' || (!s.join && (s.thickness <= 2 || s.positions.length >= maxPoints))) { - drawRectLine(s) - } - else { - drawMiterLine(s) - } - - if (s.after) { s.after(s) } - } - - function update (options) { - if (!options) { return } - - if (options.length != null) { - if (typeof options[0] === 'number') { options = [{positions: options}] } - } - - //make options a batch - else if (!Array.isArray(options)) { options = [options] } - - //global count of points - var pointCount = 0 - - //process per-line settings - lines = options.map(function (options, i) { - var state = lines[i] - - if (!options) { return state } - else if (typeof options === 'function') { options = {after: options} } - else if (typeof options[0] === 'number') { options = {positions: options} } - - //reduce by aliases - options = pick(options, { - positions: 'positions points data coords', - thickness: 'thickness lineWidth lineWidths line-width linewidth width stroke-width strokewidth strokeWidth', - join: 'lineJoin linejoin join type mode', - miterLimit: 'miterlimit miterLimit', - dashes: 'dash dashes dasharray dash-array dashArray', - color: 'color stroke colors stroke-color strokeColor', - fill: 'fill fill-color fillColor', - opacity: 'alpha opacity', - overlay: 'overlay crease overlap intersect', - close: 'closed close closed-path closePath', - range: 'range dataBox', - viewport: 'viewport viewBox', - hole: 'holes hole hollow', - after: 'after callback done pass' - }) - - if (!state) { - lines[i] = state = { - id: i, - scale: null, - scaleFract: null, - translate: null, - translateFract: null, - count: 0, - offset: 0, - dashLength: 0, - hole: true - } - options = extend({}, defaults, options) - } - - //calculate state values - updateDiff(state, options, [{ - thickness: parseFloat, - opacity: parseFloat, - miterLimit: parseFloat, - overlay: Boolean, - join: function (j) { return j; }, - after: function (fn) { return fn; }, - hole: function (h) { return h || []; }, - - positions: function (positions, state, options) { - positions = flatten(positions, 'float64') - - var count = Math.floor(positions.length / 2) - var bounds = getBounds(positions, 2) - - if (!state.range && !options.range) { - options.range = bounds - } - - state.count = count - state.bounds = bounds - - pointCount += count - - return positions - }, - - fill: function (c) { - return !c ? null : rgba(c, 'uint8') - }, - - dashes: function (dashes, state, options) { - var dashLength = state.dashLength, - dashData - - if (!dashes || dashes.length < 2) { - dashLength = 1. - dashData = new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]) - } - - else { - dashLength = 0.; - for(var i = 0; i < dashes.length; ++i) { - dashLength += dashes[i] - } - dashData = new Uint8Array(dashLength * dashMult) - var ptr = 0 - var fillColor = 255 - - //repeat texture two times to provide smooth 0-step - for (var k = 0; k < 2; k++) { - for(var i$1 = 0; i$1 < dashes.length; ++i$1) { - for(var j = 0, l = dashes[i$1] * dashMult * .5; j < l; ++j) { - dashData[ptr++] = fillColor - } - fillColor ^= 255 - } - } - } - - dashTexture.subimage({ - // channels: 1, - data: dashData, - width: dashData.length, - height: 1 - }, 0, state.id) - - state.dashLength = dashLength - - return dashData - } - }, - - //dependent properties & complement actions - { - close: function (close, state, options) { - if (close != null) { return close } - if (state.positions.length >= 4 && - state.positions[0] === state.positions[state.positions.length - 2] && - state.positions[1] === state.positions[state.positions.length - 1]) { - return true - } - return false - }, - - positions: function (p, state, options) { - if (state.fill && p.length) { - var pos = [] - - //filter bad vertices and remap triangles to ensure shape - var ids = {} - var lastId = 0 - - for (var i = 0, ptr = 0, l = state.count; i < l; i++) { - var x = state.positions[i*2] - var y = state.positions[i*2 + 1] - if (Number.isNaN(x) || Number.isNaN(y)) { - x = state.positions[lastId*2] - y = state.positions[lastId*2 + 1] - ids[i] = lastId - } - else { - lastId = i - } - pos[ptr++] = x - pos[ptr++] = y - } - - var triangles = triangulate(pos, state.hole) - - for (var i$1 = 0, l$1 = triangles.length; i$1 < l$1; i$1++) { - if (ids[triangles[i$1]] != null) { triangles[i$1] = ids[triangles[i$1]] } - } - - state.triangles = triangles - } - return state.positions - }, - - color: function (colors, state, options) { - var count = state.count - - if (!colors) { colors = 'transparent' } - - // 'black' or [0,0,0,0] case - if (!Array.isArray(colors) || typeof colors[0] === 'number') { - var color = colors; - colors = Array(count); - for (var i = 0; i < count; i++) { - colors[i] = color - } - } - - if (colors.length < count) { throw Error('Not enough colors') } - - var colorData = new Uint8Array(count * 4 + 4) - - //convert colors to float arrays - for (var i$1 = 0; i$1 < count; i$1++) { - var c = rgba(colors[i$1], 'uint8') - colorData.set(c, i$1 * 4) - } - - return colorData - }, - - range: function (range, state, options) { - if (!state.count) { return null } - - var bounds = state.bounds - if (!range) { range = bounds } - - var nrange = normalize(range.slice(), 2, bounds) - - state.scale = [1 / (nrange[2] - nrange[0]), 1 / (nrange[3] - nrange[1])] - state.translate = [-nrange[0], -nrange[1]] - - state.scaleFract = fract32(state.scale) - state.translateFract = fract32(state.translate) - - return range - }, - - viewport: function (vp) { - var viewport - - if (Array.isArray(vp)) { - viewport = { - x: vp[0], - y: vp[1], - width: vp[2] - vp[0], - height: vp[3] - vp[1] - } - } - else if (vp) { - viewport = { - x: vp.x || vp.left || 0, - y: vp.y || vp.top || 0 - } - - if (vp.right) { viewport.width = vp.right - viewport.x } - else { viewport.width = vp.w || vp.width || 0 } - - if (vp.bottom) { viewport.height = vp.bottom - viewport.y } - else { viewport.height = vp.h || vp.height || 0 } - } - else { - viewport = { - x: 0, y: 0, - width: gl.drawingBufferWidth, - height: gl.drawingBufferHeight - } - } - - return viewport - } - }]) - - return state - }) - - //put collected data into buffers - //FIXME: possible optimization is updating only segment subdata - if (pointCount) { - var len = pointCount * 2 + lines.length * 6; - var positionData = new Float64Array(len) - var offset = 0 - var colorData = new Uint8Array(len * 2) - - lines.forEach(function (state, i) { - if (!state) { return } - - var positions = state.positions; - var count = state.count; - var color = state.color; - state.offset = offset - - if (!count) { return } - - //provide normalized positions - var npos = new Float64Array(positions.length) - npos.set(positions) - normalize(npos, 2, state.bounds) - - //rotate first segment join - if (state.close) { - if (positions[0] === positions[count*2 - 2] && - positions[1] === positions[count*2 - 1]) { - positionData[offset*2 + 0] = npos[count*2 - 4] - positionData[offset*2 + 1] = npos[count*2 - 3] - } - else { - positionData[offset*2 + 0] = npos[count*2 - 2] - positionData[offset*2 + 1] = npos[count*2 - 1] - } - } - else { - positionData[offset*2 + 0] = npos[0] - positionData[offset*2 + 1] = npos[1] - } - colorData[offset*4 + 0] = color[0] - colorData[offset*4 + 1] = color[1] - colorData[offset*4 + 2] = color[2] - colorData[offset*4 + 3] = color[3] - - positionData.set(npos, offset * 2 + 2) - colorData.set(color, offset * 4 + 4) - - //add last segment - if (state.close) { - //ignore coinciding start/end - if (positions[0] === positions[count*2 - 2] && - positions[1] === positions[count*2 - 1]) { - positionData[offset*2 + count*2 + 2] = npos[2] - positionData[offset*2 + count*2 + 3] = npos[3] - offset += count + 2 - state.count -= 1 - } - else { - positionData[offset*2 + count*2 + 2] = npos[0] - positionData[offset*2 + count*2 + 3] = npos[1] - positionData[offset*2 + count*2 + 4] = npos[2] - positionData[offset*2 + count*2 + 5] = npos[3] - offset += count + 3 - } - } - //add stub - else { - positionData[offset*2 + count*2 + 2] = npos[count*2 - 2] - positionData[offset*2 + count*2 + 3] = npos[count*2 - 1] - positionData[offset*2 + count*2 + 4] = npos[count*2 - 2] - positionData[offset*2 + count*2 + 5] = npos[count*2 - 1] - offset += count + 3 - } - }) - - colorBuffer(colorData) - positionBuffer(float32(positionData)) - positionFractBuffer(fract32(positionData)) - } - - return line2d - } - - function destroy () { - lines.length = 0 - colorBuffer.destroy() - offsetBuffer.destroy() - positionBuffer.destroy() - dashTexture.destroy() - } - - return line2d -} - - -//return fractional part of float32 array -function fract32 (arr) { - var fract = new Float32Array(arr.length) - fract.set(arr) - for (var i = 0, l = fract.length; i < l; i++) { - fract[i] = arr[i] - fract[i] - } - return fract -} -function float32 (arr) { - if (arr instanceof Float32Array) { return arr } - - var float = new Float32Array(arr) - float.set(arr) - return float -} -},{"array-bounds":48,"array-normalize":49,"color-normalize":99,"earcut":135,"flatten-vertex-data":143,"glslify":502,"object-assign":462,"pick-by-alias":473,"update-diff":558}],502:[function(require,module,exports){ -arguments[4][169][0].apply(exports,arguments) -},{"dup":169}],503:[function(require,module,exports){ -'use strict' - -var rgba = require('color-normalize') -var getBounds = require('array-bounds') -var colorId = require('color-id') -var snapPoints = require('snap-points-2d') -var extend = require('object-assign') -var glslify = require('glslify') -var search = require('binary-search-bounds') -var pick = require('pick-by-alias') -var updateDiff = require('update-diff') -var flatten = require('flatten-vertex-data') -var ie = require('is-iexplorer') -var ref = require('to-float32'); -var float32 = ref.float32; -var fract32 = ref.fract32; - -module.exports = Scatter - - -function Scatter (regl, options) { - if (typeof regl === 'function') { - if (!options) { options = {} } - options.regl = regl - } - else { - options = regl - regl = null - } - - if (options && options.length) { options.positions = options } - regl = options.regl - - // persistent variables - var gl = regl._gl, - drawMarker, drawCircle, - sizeBuffer, positionBuffer, positionFractBuffer, colorBuffer, - paletteTexture, palette = [], paletteIds = {}, - defaults = { - color: 'black', - borderColor: 'transparent', - borderSize: 1, - size: 12, - opacity: 1, - marker: undefined, - viewport: null, - range: null, - pixelSize: null, - offset: 0, - count: 0, - bounds: null, - positions: [], - snap: 1e4 - }, - - //state - groups = [], - - //textures for marker keys - markerTextures = [null], - markerCache = [null] - - var maxColors = 4096, maxSize = 100 - - //texture with color palette - paletteTexture = regl.texture({ - data: new Uint8Array(maxColors * 4), - width: maxColors, - height: 1, - type: 'uint8', - format: 'rgba', - wrapS: 'clamp', - wrapT: 'clamp', - mag: 'nearest', - min: 'nearest' - }) - - //buffers to reuse - sizeBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - colorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'uint16', - data: null - }) - positionBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - positionFractBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - - //fast-create from existing regl-scatter instance - if (options.clone) { - groups = options.clone.groups.map(function (group) { - group = extend({}, group) - if (group.markerIds) { - group.markerIds = group.markerIds.map(function (ids) { - // recreate regl elements here - var newIds = ids.slice() - newIds.lod = ids.lod - newIds.snap = ids.snap - newIds.data = ids.data - newIds.id = ids.id - newIds.x = ids.x - newIds.w = ids.w - newIds.elements = regl.elements({ - primitive: 'points', - type: 'uint32', - data: ids.data - }) - return newIds - }) - } - return group - }) - - //create marker textures - options.clone.markers.forEach(function (markers) { - addMarker(markers) - }) - - updateBuffers({point: true, color: true, size: true}) - } - //full create from options - else { - update(options) - } - - - //common shader options - var shaderOptions = { - uniforms: { - pixelRatio: regl.context('pixelRatio'), - palette: paletteTexture, - scale: regl.prop('scale'), - scaleFract: regl.prop('scaleFract'), - translate: regl.prop('translate'), - translateFract: regl.prop('translateFract'), - opacity: regl.prop('opacity'), - marker: regl.prop('marker') - }, - - attributes: { - position: positionBuffer, - positionFract: positionFractBuffer, - size: function (ctx, prop) { return prop.size.length ? { - buffer: sizeBuffer, - stride: 2, - offset: 0 - } : {constant: [Math.round(prop.size * 255 / maxSize)]}; }, - borderSize: function (ctx, prop) { return prop.borderSize.length ? { - buffer: sizeBuffer, - stride: 2, - offset: 1 - } : {constant: [Math.round(prop.borderSize * 255 / maxSize)]}; }, - colorId: function (ctx, prop) { return prop.color.length ? { - buffer: colorBuffer, - stride: 4, - offset: 0 - } : {constant: [prop.color]}; }, - borderColorId: function (ctx, prop) { return prop.borderColor.length ? { - buffer: colorBuffer, - stride: 4, - offset: 2 - } : {constant: [prop.borderColor]}; } - }, - - - blend: { - enable: true, - color: [0,0,0,1], - func: { - srcRGB: 'src alpha', - dstRGB: 'one minus src alpha', - srcAlpha: 'one minus dst alpha', - dstAlpha: 'one' - } - }, - - scissor: { - enable: true, - box: regl.prop('viewport') - }, - viewport: regl.prop('viewport'), - - stencil: {enable: false}, - depth: {enable: false}, - - - elements: regl.prop('elements'), - count: regl.prop('count'), - offset: regl.prop('offset'), - - primitive: 'points' - } - - // IE11 shader workaround - if (ie) { - drawCircle = regl(extend({}, shaderOptions, { - frag: glslify(["precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color, borderColor;\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float radius = length(2.0*gl_PointCoord.xy-1.0);\n if(radius > 1.0) {\n discard;\n }\n\n float centerFraction = fragBorderSize == 0. ? 2. : fragSize / (fragSize + fragBorderSize + 1.25);\n\n vec4 baseColor = mix(borderColor, color, smoothStep(radius, centerFraction));\n float alpha = 1.0 - pow(1.0 - baseColor.a, 1.);\n gl_FragColor = vec4(baseColor.rgb * alpha, alpha);\n}\n"]), - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nvoid main() {\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n fragBorderSize = borderSize;\n fragSize = size;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragWidth = 1. / gl_PointSize;\n}\n"]), - uniforms: { - // FIXME: generate attribute color data - color: function (ctx, p) { - var id = p.color.length ? p.color[0] : p.color; - return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) - }, - borderColor: function (ctx, p) { - var id = p.borderColor.length ? p.borderColor[0] : p.borderColor; - return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) - }, - pixelRatio: regl.context('pixelRatio'), - palette: paletteTexture, - scale: regl.prop('scale'), - scaleFract: regl.prop('scaleFract'), - translate: regl.prop('translate'), - translateFract: regl.prop('translateFract'), - opacity: regl.prop('opacity'), - marker: regl.prop('marker') - }, - attributes: { - position: positionBuffer, - positionFract: positionFractBuffer, - size: shaderOptions.attributes.size, - borderSize: shaderOptions.attributes.borderSize - } - })) - } - else { - //draw sdf-marker - var markerOptions = extend({}, shaderOptions) - markerOptions.frag = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragWidth, fragBorderColorLevel, fragColorLevel;\n\nuniform sampler2D marker;\nuniform float pixelRatio, opacity;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float dist = texture2D(marker, gl_PointCoord).r, delta = fragWidth;\n\n //max-distance alpha\n if (dist < 0.003) discard;\n\n //null-border case\n if (fragBorderColorLevel == fragColorLevel || fragBorderColor.a == 0.) {\n float colorAmt = smoothstep(.5 - delta, .5 + delta, dist);\n gl_FragColor = vec4(fragColor.rgb, colorAmt * fragColor.a);\n return;\n }\n\n float borderColorAmt = smoothstep(fragBorderColorLevel - delta, fragBorderColorLevel + delta, dist);\n float colorAmt = smoothstep(fragColorLevel - delta, fragColorLevel + delta, dist);\n\n vec4 color = fragBorderColor;\n color.a *= borderColorAmt;\n color = mix(color, fragColor, colorAmt);\n color.a *= opacity;\n\n gl_FragColor = color;\n}\n"]) - markerOptions.vert = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\nconst float borderLevel = .5;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragPointSize, fragBorderRadius,\n\t\tfragWidth, fragBorderColorLevel, fragColorLevel;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = 2. * size * pixelRatio;\n fragPointSize = size * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n\n fragBorderColorLevel = clamp(borderLevel - borderLevel * borderSize / size, 0., 1.);\n fragColorLevel = clamp(borderLevel + (1. - borderLevel) * borderSize / size, 0., 1.);\n}\n"]) - - drawMarker = regl(markerOptions) - - //draw circle - var circleOptions = extend({}, shaderOptions) - circleOptions.frag = glslify(["precision highp float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\n\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n\tfloat radius, alpha = 1.0, delta = fragWidth;\n\n\tradius = length(2.0 * gl_PointCoord.xy - 1.0);\n\n\tif(radius > 1.0 + delta) {\n\t\tdiscard;\n\t\treturn;\n\t}\n\n\talpha -= smoothstep(1.0 - delta, 1.0 + delta, radius);\n\n\tfloat borderRadius = fragBorderRadius;\n\tfloat ratio = smoothstep(borderRadius - delta, borderRadius + delta, radius);\n\tvec4 color = mix(fragColor, fragBorderColor, ratio);\n\tcolor.a *= alpha * opacity;\n\tgl_FragColor = color;\n}\n"]) - circleOptions.vert = glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n}\n"]) - - drawCircle = regl(circleOptions) - } - - //expose API - extend(scatter2d, { - update: update, - draw: draw, - destroy: destroy, - regl: regl, - gl: gl, - canvas: gl.canvas, - groups: groups, - markers: markerCache - }) - - - function scatter2d (opts) { - //update - if (opts) { - update(opts) - } - - //destroy - else if (opts === null) { - destroy() - } - - draw() - } - - // draw all groups or only indicated ones - function draw (opts) { - if (typeof opts === 'number') { return drawGroup(opts) } - - // highlight elements - if (Array.isArray(opts)) { - opts.forEach(function (els, i) { - if (els == null) { return } - if (els.length) { return drawGroup(els, i) } - return drawGroup(els) - }) - return - } - - // make options a batch - groups.forEach(function (group, i) { - if (!group) { return } - - drawGroup(i) - }) - } - - // draw specific scatter group - function drawGroup (group, id) { - if (typeof group === 'number') { group = groups[group] } - - var els - if (Array.isArray(group)) { - els = group - group = groups[id] - } - - if (!(group && group.count && group.opacity)) { return } - - //if subset of elements to redraw passed - form a whitelist - var whitelist - if (els) { - whitelist = Array(group.count); - - for (var i = 0; i < els.length; i++) { - whitelist[els[i]] = true - } - } - - //draw circles - //FIXME remove regl._refresh hooks once regl issue #427 is fixed - if (group.markerIds[0]) { - regl._refresh() - - var opts = getMarkerDrawOptions(group.markerIds[0], group, whitelist) - drawCircle(opts) - } - - //draw all other available markers - var batch = [] - for (var i$1 = 1; i$1 < group.markerIds.length; i$1++) { - var ids = group.markerIds[i$1] - - if (!ids || !ids.length) { continue } - - [].push.apply(batch, getMarkerDrawOptions(ids, group, whitelist)) - } - - if (batch.length) { - regl._refresh() - drawMarker(batch) - } - } - - // get options for the marker ids - function getMarkerDrawOptions(ids, group, whitelist) { - var range = group.range; - var offset = group.offset; - //unsnapped options - if (!ids.snap) { - var elements = whitelist ? filter(ids.data, whitelist) : ids.elements; - - return [extend({}, group, { - elements: elements, - offset: 0, - count: whitelist ? elements.length : ids.length, - marker: markerTextures[ids.id] - })] - } - - //scales batch - var batch = [] - var lod = ids.lod; - var x = ids.x; - var id = ids.id; - - var pixelSize = (range[2] - range[0]) / group.viewport.width - - for (var scaleNum = lod.length; scaleNum--;) { - var level = lod[scaleNum] - - //FIXME: use minSize-adaptive coeff here, if makes sense, mb we need dist tho - if (level.pixelSize && level.pixelSize < pixelSize && scaleNum > 1) { - continue - } - - var intervalStart = level.offset - var intervalEnd = level.count + intervalStart - - var startOffset = search.ge(x, range[0], intervalStart, intervalEnd - 1) - var endOffset = search.lt(x, range[2], startOffset, intervalEnd - 1) + 1 - - if (endOffset <= startOffset) { continue } - - // whitelisted level requires subelements from the range - if (whitelist) { - var elements$1 = filter(ids.data.subarray(startOffset, endOffset), whitelist) - - batch.push(extend({}, group, { - elements: elements$1, - marker: markerTextures[id], - offset: 0, - count: elements$1.length - })) - } - else { - batch.push(extend({}, group, { - elements: ids.elements, - marker: markerTextures[id], - offset: startOffset, - count: endOffset - startOffset - })) - } - } - - function filter(offsets, whitelist) { - var subEls = [] - for (var i = 0, l = offsets.length; i < l; i++) { - var el = offsets[i] - var id = el - offset - if (whitelist[id]) { - subEls.push(el) - } - } - return subEls - } - - return batch - } - - // update groups options - function update (options) { - if (!options) { return } - - //direct points argument - if (options.length != null) { - if (typeof options[0] === 'number') { options = [{positions: options}] } - } - //make options a batch - else if (!Array.isArray(options)) { options = [options] } - - //global count of points - var pointCount = 0, sizeCount = 0, colorCount = 0 - - groups = options.map(function (options, i) { - var group = groups[i] - - if (!options) { return group } - else if (typeof options === 'function') { options = {after: options} } - else if (typeof options[0] === 'number') { options = {positions: options} } - - //copy options to avoid mutation & handle aliases - options = pick(options, { - positions: 'positions data points', - snap: 'snap cluster', - size: 'sizes size radius', - borderSize: 'borderSizes borderSize stroke-width strokeWidth outline', - color: 'colors color fill fill-color fillColor', - borderColor: 'borderColors borderColor stroke stroke-color strokeColor', - palette: 'palette swatch', - marker: 'markers marker shape', - range: 'range dataBox', - viewport: 'viewport viewBox', - opacity: 'opacity alpha' - }) - if (!group) { - groups[i] = group = { - id: i, - scale: null, - translate: null, - scaleFract: null, - translateFract: null, - - //list of ids corresponding to markers, with inner props - markerIds: [] - } - options = extend({}, defaults, options) - } - - //force update triggers - if (options.positions && !('marker' in options)) { - options.marker = group.marker - delete group.marker - } - - updateDiff(group, options, [{ - snap: true, - size: function (s) { - sizeCount += s.length ? 1 : 0 - return s - }, - borderSize: function (s) { - sizeCount += s.length ? 1 : 0 - return s - }, - opacity: parseFloat, - - //add colors to palette, save references - color: function (c) { - c = updateColor(c) - colorCount++ - return c - }, - borderColor: function (c) { - c = updateColor(c) - colorCount++ - return c - }, - - positions: function (positions, group, options) { - positions = flatten(positions, 'float64') - - var count = group.count = Math.floor(positions.length / 2) - var bounds = group.bounds = count ? getBounds(positions, 2) : null - - // if range is not provided updated - recalc it - if (!options.range && !group.range) { - delete group.range - options.range = bounds - } - - group.offset = pointCount - pointCount += count - - // reset marker - if (!options.marker && !group.marker) { - delete group.marker; - options.marker = null; - } - - return positions - } - }, { - //create marker ids corresponding to known marker textures - marker: function (markers, group, options) { - //reset marker elements - group.markerIds.length = 0 - - //single sdf marker - if (!markers || typeof markers[0] === 'number') { - var id = addMarker(markers) - - var elements = Array(group.count) - for (var i = 0; i < group.count; i++) { - elements[i] = i - } - - group.markerIds[id] = elements - } - //per-point markers - else { - for (var i$1 = 0, l = markers.length; i$1 < l; i$1++) { - var id$1 = addMarker(markers[i$1]) - - if (!group.markerIds[id$1]) { group.markerIds[id$1] = [] } - group.markerIds[id$1].push(i$1) - } - } - - return markers - } - }, { - //recalculate per-marker snapping - //first, it is faster to snap 100 points 100 times than 10000 points once (practically, not theoretically) - //second, it is easier to subset render per-marker than per-generic set - positions: function (positions, group) { - var markerIds = group.markerIds; - var snap = group.snap; - var bounds = group.bounds; - var offset = group.offset; - - for (var i = 0; i < markerIds.length; i++) { - var ids = markerIds[i] - if (!ids || !ids.length) { continue } - - var l = ids.length, els = (void 0) - - ids.id = i; - - if (snap && (snap === true || l > snap)) { - ids.snap = true - var x = ids.x = Array(l) - var w = ids.w = Array(l) - var markerPoints = (void 0) - - //multimarker snapping is computationally more intense - if (markerIds.length > 1) { - markerPoints = Array(l * 2) - - for (var i$1 = 0; i$1 < l; i$1++) { - var id = ids[i$1] - markerPoints[i$1 * 2] = positions[id * 2] - markerPoints[i$1 * 2 + 1] = positions[id * 2 + 1] - } - } - else { - markerPoints = new Float64Array(positions.length) - markerPoints.set(positions) - } - - //shuffled_id: real_id - var i2id = new Uint32Array(l) - - ids.lod = snapPoints(markerPoints, i2id, w, bounds) - - els = new Uint32Array(l) - for (var i$2 = 0; i$2 < l; i$2++) { - var id$1 = i2id[i$2], iid = ids[id$1] - els[i$2] = iid + offset - x[i$2] = positions[iid * 2] - } - } - else { - els = new Uint32Array(l) - for (var i$3 = 0; i$3 < l; i$3++) { - els[i$3] = ids[i$3] + offset - } - } - - ids.data = els; - ids.elements = regl.elements({ - primitive: 'points', - type: 'uint32', - data: els - }) - } - }, - - range: function (range, group, options) { - var bounds = group.bounds - - if (!bounds) { return } - if (!range) { range = bounds } - - group.scale = [1 / (range[2] - range[0]), 1 / (range[3] - range[1])] - group.translate = [-range[0], -range[1]] - - group.scaleFract = fract32(group.scale) - group.translateFract = fract32(group.translate) - - return range - }, - - viewport: function (vp) { - var viewport - - if (Array.isArray(vp)) { - viewport = { - x: vp[0], - y: vp[1], - width: vp[2] - vp[0], - height: vp[3] - vp[1] - } - } - else if (vp) { - viewport = { - x: vp.x || vp.left || 0, - y: vp.y || vp.top || 0 - } - - if (vp.right) { viewport.width = vp.right - viewport.x } - else { viewport.width = vp.w || vp.width || 0 } - - if (vp.bottom) { viewport.height = vp.bottom - viewport.y } - else { viewport.height = vp.h || vp.height || 0 } - } - else { - viewport = { - x: 0, y: 0, - width: gl.drawingBufferWidth, - height: gl.drawingBufferHeight - } - } - - return viewport - } - }]) - - return group - }) - - updateBuffers({ - point: pointCount, - size: sizeCount, - color: colorCount - }) - } - - // update buffers data based on existing groups + // update buffers data based on existing groups function updateBuffers(ref) { var point = ref.point; var size = ref.size; var color = ref.color; - - //put point/color data into buffers, if updated any of them - var len = groups.reduce(function (acc, group, i) { - return acc + (group ? group.count : 0) - }, 0) - - if (point) { - var positionData = new Float32Array(len * 2) - var positionFractData = new Float32Array(len * 2) - - groups.forEach(function (group, i) { - if (!group) { return } + + //put point/color data into buffers, if updated any of them + var len = groups.reduce(function (acc, group, i) { + return acc + (group ? group.count : 0) + }, 0) + + if (point) { + var positionData = new Float32Array(len * 2) + var positionFractData = new Float32Array(len * 2) + + groups.forEach(function (group, i) { + if (!group) { return } var positions = group.positions; var count = group.count; - var offset = group.offset; - if (!count) { return } - positionData.set(float32(positions), offset * 2) - positionFractData.set(fract32(positions), offset * 2) - }) - - positionBuffer(positionData) - positionFractBuffer(positionFractData) - } - - if (size) { - var sizeData = new Uint8Array(len * 2) - - groups.forEach(function (group, i) { - if (!group) { return } + var offset = group.offset; + if (!count) { return } + positionData.set(float32(positions), offset * 2) + positionFractData.set(fract32(positions), offset * 2) + }) + + positionBuffer(positionData) + positionFractBuffer(positionFractData) + } + + if (size) { + var sizeData = new Uint8Array(len * 2) + + groups.forEach(function (group, i) { + if (!group) { return } var count = group.count; var offset = group.offset; var size = group.size; - var borderSize = group.borderSize; - if (!count) { return } - - if (size.length || borderSize.length) { - var sizes = new Uint8Array(count*2) - for (var i$1 = 0; i$1 < count; i$1++) { - //we downscale size to allow for fractions - sizes[i$1*2] = Math.round((size[i$1] == null ? size : size[i$1]) * 255 / maxSize) - sizes[i$1*2 + 1] = Math.round((borderSize[i$1] == null ? borderSize : borderSize[i$1]) * 255 / maxSize) - } - sizeData.set(sizes, offset * 2) - } - }) - sizeBuffer(sizeData) - } - - if (color) { - var colorData = new Uint16Array(len * 2) - - groups.forEach(function (group, i) { - if (!group) { return } + var borderSize = group.borderSize; + if (!count) { return } + + if (size.length || borderSize.length) { + var sizes = new Uint8Array(count*2) + for (var i$1 = 0; i$1 < count; i$1++) { + //we downscale size to allow for fractions + sizes[i$1*2] = Math.round((size[i$1] == null ? size : size[i$1]) * 255 / maxSize) + sizes[i$1*2 + 1] = Math.round((borderSize[i$1] == null ? borderSize : borderSize[i$1]) * 255 / maxSize) + } + sizeData.set(sizes, offset * 2) + } + }) + sizeBuffer(sizeData) + } + + if (color) { + var colorData = new Uint16Array(len * 2) + + groups.forEach(function (group, i) { + if (!group) { return } var count = group.count; var offset = group.offset; var color = group.color; - var borderColor = group.borderColor; - if (!count) { return } - - if (color.length || borderColor.length) { - var colorIds = new Uint16Array(count*2) - for (var i$1 = 0; i$1 < count; i$1++) { - colorIds[i$1*2] = color[i$1] == null ? color : color[i$1] - colorIds[i$1*2 + 1] = borderColor[i$1] == null ? borderColor : borderColor[i$1] - } - colorData.set(colorIds, offset * 2) - } - }) - colorBuffer(colorData) - } - } - - // get (and create) marker texture id - function addMarker (sdf) { - var pos = sdf == null ? 0 : markerCache.indexOf(sdf) - - if (pos >= 0) { return pos } - - //convert sdf to 0..255 range - var distArr - if (sdf instanceof Uint8Array || sdf instanceof Uint8ClampedArray) { - distArr = sdf - } - else { - distArr = new Uint8Array(sdf.length) - for (var i = 0, l = sdf.length; i < l; i++) { - distArr[i] = sdf[i] * 255 - } - } - - var radius = Math.floor(Math.sqrt(distArr.length)) - - pos = markerTextures.length - - markerCache.push(sdf) - markerTextures.push(regl.texture({ - channels: 1, - data: distArr, - radius: radius, - mag: 'linear', - min: 'linear' - })) - - return pos - } - - // register color to palette, return it's index or list of indexes - function updateColor (colors) { - if (!Array.isArray(colors)) { - colors = [colors] - } - - var start = palette.length - var idx = [] - - for (var i = 0; i < colors.length; i++) { - var color = colors[i] - - //idx colors directly - if (typeof color === 'number') { - idx[i] = color - continue - } - - color = rgba(color, 'uint8') - - var id = colorId(color, false) - - // if new color - save it - if (paletteIds[id] == null) { - var pos = palette.length - paletteIds[id] = Math.floor(pos / 4) - palette[pos] = color[0] - palette[pos+1] = color[1] - palette[pos+2] = color[2] - palette[pos+3] = color[3] - } - - idx[i] = Math.min(paletteIds[id], maxColors - 1) - } - - // limit max color - if (start < maxColors * 4) { - paletteTexture.subimage({ - width: Math.min(palette.length * .25, maxColors), - height: 1, - data: palette.slice(0, maxColors * 4) - }, 0, 0) - } - - - //keep static index for single-color property - return idx.length === 1 ? idx[0] : idx - } - - // remove unused stuff - function destroy () { - groups.length = 0 - - sizeBuffer.destroy() - positionBuffer.destroy() - positionFractBuffer.destroy() - colorBuffer.destroy() - paletteTexture.destroy() - } - - return scatter2d -} + var borderColor = group.borderColor; + if (!count) { return } + + if (color.length || borderColor.length) { + var colorIds = new Uint16Array(count*2) + for (var i$1 = 0; i$1 < count; i$1++) { + colorIds[i$1*2] = color[i$1] == null ? color : color[i$1] + colorIds[i$1*2 + 1] = borderColor[i$1] == null ? borderColor : borderColor[i$1] + } + colorData.set(colorIds, offset * 2) + } + }) + colorBuffer(colorData) + } + } + + // get (and create) marker texture id + function addMarker (sdf) { + var pos = sdf == null ? 0 : markerCache.indexOf(sdf) + + if (pos >= 0) { return pos } + + //convert sdf to 0..255 range + var distArr + if (sdf instanceof Uint8Array || sdf instanceof Uint8ClampedArray) { + distArr = sdf + } + else { + distArr = new Uint8Array(sdf.length) + for (var i = 0, l = sdf.length; i < l; i++) { + distArr[i] = sdf[i] * 255 + } + } + + var radius = Math.floor(Math.sqrt(distArr.length)) + + pos = markerTextures.length + + markerCache.push(sdf) + markerTextures.push(regl.texture({ + channels: 1, + data: distArr, + radius: radius, + mag: 'linear', + min: 'linear' + })) + + return pos + } + + // register color to palette, return it's index or list of indexes + function updateColor (colors) { + if (!Array.isArray(colors)) { + colors = [colors] + } + + var start = palette.length + var idx = [] + + for (var i = 0; i < colors.length; i++) { + var color = colors[i] + + //idx colors directly + if (typeof color === 'number') { + idx[i] = color + continue + } + + color = rgba(color, 'uint8') + + var id = colorId(color, false) + + // if new color - save it + if (paletteIds[id] == null) { + var pos = palette.length + paletteIds[id] = Math.floor(pos / 4) + palette[pos] = color[0] + palette[pos+1] = color[1] + palette[pos+2] = color[2] + palette[pos+3] = color[3] + } + + idx[i] = Math.min(paletteIds[id], maxColors - 1) + } + + // limit max color + if (start < maxColors * 4) { + paletteTexture.subimage({ + width: Math.min(palette.length * .25, maxColors), + height: 1, + data: palette.slice(0, maxColors * 4) + }, 0, 0) + } + + + //keep static index for single-color property + return idx.length === 1 ? idx[0] : idx + } + + // remove unused stuff + function destroy () { + groups.length = 0 + + sizeBuffer.destroy() + positionBuffer.destroy() + positionFractBuffer.destroy() + colorBuffer.destroy() + paletteTexture.destroy() + } + + return scatter2d +} },{"array-bounds":48,"binary-search-bounds":504,"color-id":97,"color-normalize":99,"flatten-vertex-data":143,"glslify":505,"is-iexplorer":284,"object-assign":462,"pick-by-alias":473,"snap-points-2d":534,"to-float32":547,"update-diff":558}],504:[function(require,module,exports){ "use strict" @@ -84480,53 +84480,53 @@ function repeat(str, num) { } },{}],508:[function(require,module,exports){ -// Copyright 2014 Simon Lydell -// X11 (“MIT”) Licensed. (See LICENSE.) - -void (function(root, factory) { - if (typeof define === "function" && define.amd) { - define(factory) - } else if (typeof exports === "object") { - module.exports = factory() - } else { - root.resolveUrl = factory() - } -}(this, function() { - - function resolveUrl(/* ...urls */) { - var numUrls = arguments.length - - if (numUrls === 0) { - throw new Error("resolveUrl requires at least one argument; got none.") - } - - var base = document.createElement("base") - base.href = arguments[0] - - if (numUrls === 1) { - return base.href - } - - var head = document.getElementsByTagName("head")[0] - head.insertBefore(base, head.firstChild) - - var a = document.createElement("a") - var resolved - - for (var index = 1; index < numUrls; index++) { - a.href = arguments[index] - resolved = a.href - base.href = resolved - } - - head.removeChild(base) - - return resolved - } - - return resolveUrl - -})); +// Copyright 2014 Simon Lydell +// X11 (“MIT”) Licensed. (See LICENSE.) + +void (function(root, factory) { + if (typeof define === "function" && define.amd) { + define(factory) + } else if (typeof exports === "object") { + module.exports = factory() + } else { + root.resolveUrl = factory() + } +}(this, function() { + + function resolveUrl(/* ...urls */) { + var numUrls = arguments.length + + if (numUrls === 0) { + throw new Error("resolveUrl requires at least one argument; got none.") + } + + var base = document.createElement("base") + base.href = arguments[0] + + if (numUrls === 1) { + return base.href + } + + var head = document.getElementsByTagName("head")[0] + head.insertBefore(base, head.firstChild) + + var a = document.createElement("a") + var resolved + + for (var index = 1; index < numUrls; index++) { + a.href = arguments[index] + resolved = a.href + base.href = resolved + } + + head.removeChild(base) + + return resolved + } + + return resolveUrl + +})); },{}],509:[function(require,module,exports){ (function (global){ @@ -87107,446 +87107,446 @@ function createSlabDecomposition(segments) { return new SlabDecomposition(slabs, lines, horizontal) } },{"./lib/order-segments":531,"binary-search-bounds":70,"functional-red-black-tree":144,"robust-orientation":515}],533:[function(require,module,exports){ -'use strict' - -module.exports = sortLevels - -var INSERT_SORT_CUTOFF = 32 - -function sortLevels(data_levels, data_points, data_ids, data_weights, n0) { - if (n0 <= 4*INSERT_SORT_CUTOFF) { - insertionSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) - } -} - -function insertionSort(left, right, data_levels, data_points, data_ids, data_weights) { - for(var i=left+1; i<=right; ++i) { - var a_level = data_levels[i] - var a_x = data_points[2*i] - var a_y = data_points[2*i+1] - var a_id = data_ids[i] - var a_weight = data_weights[i] - - var j = i - while(j > left) { - var b_level = data_levels[j-1] - var b_x = data_points[2*(j-1)] - if(((b_level - a_level) || (a_x - b_x)) >= 0) { - break - } - data_levels[j] = b_level - data_points[2*j] = b_x - data_points[2*j+1] = data_points[2*j-1] - data_ids[j] = data_ids[j-1] - data_weights[j] = data_weights[j-1] - j -= 1 - } - - data_levels[j] = a_level - data_points[2*j] = a_x - data_points[2*j+1] = a_y - data_ids[j] = a_id - data_weights[j] = a_weight - } -} - -function swap(i, j, data_levels, data_points, data_ids, data_weights) { - var a_level = data_levels[i] - var a_x = data_points[2*i] - var a_y = data_points[2*i+1] - var a_id = data_ids[i] - var a_weight = data_weights[i] - - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] - - data_levels[j] = a_level - data_points[2*j] = a_x - data_points[2*j+1] = a_y - data_ids[j] = a_id - data_weights[j] = a_weight -} - -function move(i, j, data_levels, data_points, data_ids, data_weights) { - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] -} - -function rotate(i, j, k, data_levels, data_points, data_ids, data_weights) { - var a_level = data_levels[i] - var a_x = data_points[2*i] - var a_y = data_points[2*i+1] - var a_id = data_ids[i] - var a_weight = data_weights[i] - - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] - - data_levels[j] = data_levels[k] - data_points[2*j] = data_points[2*k] - data_points[2*j+1] = data_points[2*k+1] - data_ids[j] = data_ids[k] - data_weights[j] = data_weights[k] - - data_levels[k] = a_level - data_points[2*k] = a_x - data_points[2*k+1] = a_y - data_ids[k] = a_id - data_weights[k] = a_weight -} - -function shufflePivot( - i, j, - a_level, a_x, a_y, a_id, a_weight, - data_levels, data_points, data_ids, data_weights) { - - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] - - data_levels[j] = a_level - data_points[2*j] = a_x - data_points[2*j+1] = a_y - data_ids[j] = a_id - data_weights[j] = a_weight -} - -function compare(i, j, data_levels, data_points, data_ids) { - return ((data_levels[i] - data_levels[j]) || - (data_points[2*j] - data_points[2*i]) || - (data_ids[i] - data_ids[j])) < 0 -} - -function comparePivot(i, level, x, y, id, data_levels, data_points, data_ids) { - return ((level - data_levels[i]) || - (data_points[2*i] - x) || - (id - data_ids[i])) < 0 -} - -function quickSort(left, right, data_levels, data_points, data_ids, data_weights) { - var sixth = (right - left + 1) / 6 | 0, - index1 = left + sixth, - index5 = right - sixth, - index3 = left + right >> 1, - index2 = index3 - sixth, - index4 = index3 + sixth, - el1 = index1, - el2 = index2, - el3 = index3, - el4 = index4, - el5 = index5, - less = left + 1, - great = right - 1, - tmp = 0 - if(compare(el1, el2, data_levels, data_points, data_ids, data_weights)) { - tmp = el1 - el1 = el2 - el2 = tmp - } - if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { - tmp = el4 - el4 = el5 - el5 = tmp - } - if(compare(el1, el3, data_levels, data_points, data_ids, data_weights)) { - tmp = el1 - el1 = el3 - el3 = tmp - } - if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { - tmp = el2 - el2 = el3 - el3 = tmp - } - if(compare(el1, el4, data_levels, data_points, data_ids, data_weights)) { - tmp = el1 - el1 = el4 - el4 = tmp - } - if(compare(el3, el4, data_levels, data_points, data_ids, data_weights)) { - tmp = el3 - el3 = el4 - el4 = tmp - } - if(compare(el2, el5, data_levels, data_points, data_ids, data_weights)) { - tmp = el2 - el2 = el5 - el5 = tmp - } - if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { - tmp = el2 - el2 = el3 - el3 = tmp - } - if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { - tmp = el4 - el4 = el5 - el5 = tmp - } - - var pivot1_level = data_levels[el2] - var pivot1_x = data_points[2*el2] - var pivot1_y = data_points[2*el2+1] - var pivot1_id = data_ids[el2] - var pivot1_weight = data_weights[el2] - - var pivot2_level = data_levels[el4] - var pivot2_x = data_points[2*el4] - var pivot2_y = data_points[2*el4+1] - var pivot2_id = data_ids[el4] - var pivot2_weight = data_weights[el4] - - var ptr0 = el1 - var ptr2 = el3 - var ptr4 = el5 - var ptr5 = index1 - var ptr6 = index3 - var ptr7 = index5 - - var level_x = data_levels[ptr0] - var level_y = data_levels[ptr2] - var level_z = data_levels[ptr4] - data_levels[ptr5] = level_x - data_levels[ptr6] = level_y - data_levels[ptr7] = level_z - - for (var i1 = 0; i1 < 2; ++i1) { - var x = data_points[2*ptr0+i1] - var y = data_points[2*ptr2+i1] - var z = data_points[2*ptr4+i1] - data_points[2*ptr5+i1] = x - data_points[2*ptr6+i1] = y - data_points[2*ptr7+i1] = z - } - - var id_x = data_ids[ptr0] - var id_y = data_ids[ptr2] - var id_z = data_ids[ptr4] - data_ids[ptr5] = id_x - data_ids[ptr6] = id_y - data_ids[ptr7] = id_z - - var weight_x = data_weights[ptr0] - var weight_y = data_weights[ptr2] - var weight_z = data_weights[ptr4] - data_weights[ptr5] = weight_x - data_weights[ptr6] = weight_y - data_weights[ptr7] = weight_z - - move(index2, left, data_levels, data_points, data_ids, data_weights) - move(index4, right, data_levels, data_points, data_ids, data_weights) - for (var k = less; k <= great; ++k) { - if (comparePivot(k, - pivot1_level, pivot1_x, pivot1_y, pivot1_id, - data_levels, data_points, data_ids)) { - if (k !== less) { - swap(k, less, data_levels, data_points, data_ids, data_weights) - } - ++less; - } else { - if (!comparePivot(k, - pivot2_level, pivot2_x, pivot2_y, pivot2_id, - data_levels, data_points, data_ids)) { - while (true) { - if (!comparePivot(great, - pivot2_level, pivot2_x, pivot2_y, pivot2_id, - data_levels, data_points, data_ids)) { - if (--great < k) { - break; - } - continue; - } else { - if (comparePivot(great, - pivot1_level, pivot1_x, pivot1_y, pivot1_id, - data_levels, data_points, data_ids)) { - rotate(k, less, great, data_levels, data_points, data_ids, data_weights) - ++less; - --great; - } else { - swap(k, great, data_levels, data_points, data_ids, data_weights) - --great; - } - break; - } - } - } - } - } - shufflePivot(left, less-1, pivot1_level, pivot1_x, pivot1_y, pivot1_id, pivot1_weight, data_levels, data_points, data_ids, data_weights) - shufflePivot(right, great+1, pivot2_level, pivot2_x, pivot2_y, pivot2_id, pivot2_weight, data_levels, data_points, data_ids, data_weights) - if (less - 2 - left <= INSERT_SORT_CUTOFF) { - insertionSort(left, less - 2, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(left, less - 2, data_levels, data_points, data_ids, data_weights) - } - if (right - (great + 2) <= INSERT_SORT_CUTOFF) { - insertionSort(great + 2, right, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(great + 2, right, data_levels, data_points, data_ids, data_weights) - } - if (great - less <= INSERT_SORT_CUTOFF) { - insertionSort(less, great, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(less, great, data_levels, data_points, data_ids, data_weights) - } -} +'use strict' + +module.exports = sortLevels + +var INSERT_SORT_CUTOFF = 32 + +function sortLevels(data_levels, data_points, data_ids, data_weights, n0) { + if (n0 <= 4*INSERT_SORT_CUTOFF) { + insertionSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) + } +} + +function insertionSort(left, right, data_levels, data_points, data_ids, data_weights) { + for(var i=left+1; i<=right; ++i) { + var a_level = data_levels[i] + var a_x = data_points[2*i] + var a_y = data_points[2*i+1] + var a_id = data_ids[i] + var a_weight = data_weights[i] + + var j = i + while(j > left) { + var b_level = data_levels[j-1] + var b_x = data_points[2*(j-1)] + if(((b_level - a_level) || (a_x - b_x)) >= 0) { + break + } + data_levels[j] = b_level + data_points[2*j] = b_x + data_points[2*j+1] = data_points[2*j-1] + data_ids[j] = data_ids[j-1] + data_weights[j] = data_weights[j-1] + j -= 1 + } + + data_levels[j] = a_level + data_points[2*j] = a_x + data_points[2*j+1] = a_y + data_ids[j] = a_id + data_weights[j] = a_weight + } +} + +function swap(i, j, data_levels, data_points, data_ids, data_weights) { + var a_level = data_levels[i] + var a_x = data_points[2*i] + var a_y = data_points[2*i+1] + var a_id = data_ids[i] + var a_weight = data_weights[i] + + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] + + data_levels[j] = a_level + data_points[2*j] = a_x + data_points[2*j+1] = a_y + data_ids[j] = a_id + data_weights[j] = a_weight +} + +function move(i, j, data_levels, data_points, data_ids, data_weights) { + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] +} + +function rotate(i, j, k, data_levels, data_points, data_ids, data_weights) { + var a_level = data_levels[i] + var a_x = data_points[2*i] + var a_y = data_points[2*i+1] + var a_id = data_ids[i] + var a_weight = data_weights[i] + + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] + + data_levels[j] = data_levels[k] + data_points[2*j] = data_points[2*k] + data_points[2*j+1] = data_points[2*k+1] + data_ids[j] = data_ids[k] + data_weights[j] = data_weights[k] + + data_levels[k] = a_level + data_points[2*k] = a_x + data_points[2*k+1] = a_y + data_ids[k] = a_id + data_weights[k] = a_weight +} + +function shufflePivot( + i, j, + a_level, a_x, a_y, a_id, a_weight, + data_levels, data_points, data_ids, data_weights) { + + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] + + data_levels[j] = a_level + data_points[2*j] = a_x + data_points[2*j+1] = a_y + data_ids[j] = a_id + data_weights[j] = a_weight +} + +function compare(i, j, data_levels, data_points, data_ids) { + return ((data_levels[i] - data_levels[j]) || + (data_points[2*j] - data_points[2*i]) || + (data_ids[i] - data_ids[j])) < 0 +} + +function comparePivot(i, level, x, y, id, data_levels, data_points, data_ids) { + return ((level - data_levels[i]) || + (data_points[2*i] - x) || + (id - data_ids[i])) < 0 +} + +function quickSort(left, right, data_levels, data_points, data_ids, data_weights) { + var sixth = (right - left + 1) / 6 | 0, + index1 = left + sixth, + index5 = right - sixth, + index3 = left + right >> 1, + index2 = index3 - sixth, + index4 = index3 + sixth, + el1 = index1, + el2 = index2, + el3 = index3, + el4 = index4, + el5 = index5, + less = left + 1, + great = right - 1, + tmp = 0 + if(compare(el1, el2, data_levels, data_points, data_ids, data_weights)) { + tmp = el1 + el1 = el2 + el2 = tmp + } + if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { + tmp = el4 + el4 = el5 + el5 = tmp + } + if(compare(el1, el3, data_levels, data_points, data_ids, data_weights)) { + tmp = el1 + el1 = el3 + el3 = tmp + } + if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { + tmp = el2 + el2 = el3 + el3 = tmp + } + if(compare(el1, el4, data_levels, data_points, data_ids, data_weights)) { + tmp = el1 + el1 = el4 + el4 = tmp + } + if(compare(el3, el4, data_levels, data_points, data_ids, data_weights)) { + tmp = el3 + el3 = el4 + el4 = tmp + } + if(compare(el2, el5, data_levels, data_points, data_ids, data_weights)) { + tmp = el2 + el2 = el5 + el5 = tmp + } + if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { + tmp = el2 + el2 = el3 + el3 = tmp + } + if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { + tmp = el4 + el4 = el5 + el5 = tmp + } + + var pivot1_level = data_levels[el2] + var pivot1_x = data_points[2*el2] + var pivot1_y = data_points[2*el2+1] + var pivot1_id = data_ids[el2] + var pivot1_weight = data_weights[el2] + + var pivot2_level = data_levels[el4] + var pivot2_x = data_points[2*el4] + var pivot2_y = data_points[2*el4+1] + var pivot2_id = data_ids[el4] + var pivot2_weight = data_weights[el4] + + var ptr0 = el1 + var ptr2 = el3 + var ptr4 = el5 + var ptr5 = index1 + var ptr6 = index3 + var ptr7 = index5 + + var level_x = data_levels[ptr0] + var level_y = data_levels[ptr2] + var level_z = data_levels[ptr4] + data_levels[ptr5] = level_x + data_levels[ptr6] = level_y + data_levels[ptr7] = level_z + + for (var i1 = 0; i1 < 2; ++i1) { + var x = data_points[2*ptr0+i1] + var y = data_points[2*ptr2+i1] + var z = data_points[2*ptr4+i1] + data_points[2*ptr5+i1] = x + data_points[2*ptr6+i1] = y + data_points[2*ptr7+i1] = z + } + + var id_x = data_ids[ptr0] + var id_y = data_ids[ptr2] + var id_z = data_ids[ptr4] + data_ids[ptr5] = id_x + data_ids[ptr6] = id_y + data_ids[ptr7] = id_z + + var weight_x = data_weights[ptr0] + var weight_y = data_weights[ptr2] + var weight_z = data_weights[ptr4] + data_weights[ptr5] = weight_x + data_weights[ptr6] = weight_y + data_weights[ptr7] = weight_z + + move(index2, left, data_levels, data_points, data_ids, data_weights) + move(index4, right, data_levels, data_points, data_ids, data_weights) + for (var k = less; k <= great; ++k) { + if (comparePivot(k, + pivot1_level, pivot1_x, pivot1_y, pivot1_id, + data_levels, data_points, data_ids)) { + if (k !== less) { + swap(k, less, data_levels, data_points, data_ids, data_weights) + } + ++less; + } else { + if (!comparePivot(k, + pivot2_level, pivot2_x, pivot2_y, pivot2_id, + data_levels, data_points, data_ids)) { + while (true) { + if (!comparePivot(great, + pivot2_level, pivot2_x, pivot2_y, pivot2_id, + data_levels, data_points, data_ids)) { + if (--great < k) { + break; + } + continue; + } else { + if (comparePivot(great, + pivot1_level, pivot1_x, pivot1_y, pivot1_id, + data_levels, data_points, data_ids)) { + rotate(k, less, great, data_levels, data_points, data_ids, data_weights) + ++less; + --great; + } else { + swap(k, great, data_levels, data_points, data_ids, data_weights) + --great; + } + break; + } + } + } + } + } + shufflePivot(left, less-1, pivot1_level, pivot1_x, pivot1_y, pivot1_id, pivot1_weight, data_levels, data_points, data_ids, data_weights) + shufflePivot(right, great+1, pivot2_level, pivot2_x, pivot2_y, pivot2_id, pivot2_weight, data_levels, data_points, data_ids, data_weights) + if (less - 2 - left <= INSERT_SORT_CUTOFF) { + insertionSort(left, less - 2, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(left, less - 2, data_levels, data_points, data_ids, data_weights) + } + if (right - (great + 2) <= INSERT_SORT_CUTOFF) { + insertionSort(great + 2, right, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(great + 2, right, data_levels, data_points, data_ids, data_weights) + } + if (great - less <= INSERT_SORT_CUTOFF) { + insertionSort(less, great, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(less, great, data_levels, data_points, data_ids, data_weights) + } +} },{}],534:[function(require,module,exports){ -'use strict' - -var sortLevels = require('./lib/sort') -var getBounds = require('array-bounds') - -module.exports = snapPoints - -function partition(points, ids, start, end, lox, loy, hix, hiy) { - var mid = start - for(var i=start; i>> 1 - if(n < 1) { - return [] - } - - if (!ids) ids = Array(n) - if (!weights) weights = Array(n) - if (!bounds) bounds = [] - - for(var i=0; i= bounds[2] || bounds[1] >= bounds[3]) { - var b = getBounds(points, 2) - - if(b[0] === b[2]) { - b[2] += 1 - } - if(b[1] === b[3]) { - b[3] += 1 - } - - bounds[0] = b[0] - bounds[1] = b[1] - bounds[2] = b[2] - bounds[3] = b[3] - } - - var lox = bounds[0] - var loy = bounds[1] - var hix = bounds[2] - var hiy = bounds[3] - - //Calculate diameter - var scaleX = 1.0 / (hix - lox) - var scaleY = 1.0 / (hiy - loy) - var diam = Math.max(hix - lox, hiy - loy) - - - - var levels = new Int32Array(n) - var ptr = 0 - - function snapRec(x, y, diam, start, end, level) { - var diam_2 = diam * 0.5 - var offset = start + 1 - var count = end - start - weights[ptr] = count - levels[ptr++] = level - for(var i=0; i<2; ++i) { - for(var j=0; j<2; ++j) { - var nx = x+i*diam_2 - var ny = y+j*diam_2 - var nextOffset = partition( - points - , ids - , offset - , end - , nx, ny - , nx+diam_2, ny+diam_2) - if(nextOffset === offset) { - continue - } - if(nextOffset - offset >= Math.max(0.9 * count, 32)) { - var mid = (end + start)>>>1 - snapRec(nx, ny, diam_2, offset, mid, level+1) - offset = mid - } - snapRec(nx, ny, diam_2, offset, nextOffset, level+1) - offset = nextOffset - } - } - } - snapRec(lox, loy, diam, 0, n, 0) - sortLevels(levels, points, ids, weights, n) - - var lod = [] - var lastLevel = 0 - var prevOffset = n - for(var ptr=n-1; ptr>=0; --ptr) { - points[2*ptr] = (points[2*ptr] - lox) * scaleX - points[2*ptr+1] = (points[2*ptr+1] - loy) * scaleY - - var level = levels[ptr] - if(level === lastLevel) { - continue - } - - lod.push(new SnapInterval( - diam * Math.pow(0.5, level), - ptr+1, - prevOffset - (ptr+1) - )) - prevOffset = ptr+1 - - lastLevel = level - } - - lod.push(new SnapInterval(diam * Math.pow(0.5, level+1), 0, prevOffset)) - - return lod -} +'use strict' + +var sortLevels = require('./lib/sort') +var getBounds = require('array-bounds') + +module.exports = snapPoints + +function partition(points, ids, start, end, lox, loy, hix, hiy) { + var mid = start + for(var i=start; i>> 1 + if(n < 1) { + return [] + } + + if (!ids) ids = Array(n) + if (!weights) weights = Array(n) + if (!bounds) bounds = [] + + for(var i=0; i= bounds[2] || bounds[1] >= bounds[3]) { + var b = getBounds(points, 2) + + if(b[0] === b[2]) { + b[2] += 1 + } + if(b[1] === b[3]) { + b[3] += 1 + } + + bounds[0] = b[0] + bounds[1] = b[1] + bounds[2] = b[2] + bounds[3] = b[3] + } + + var lox = bounds[0] + var loy = bounds[1] + var hix = bounds[2] + var hiy = bounds[3] + + //Calculate diameter + var scaleX = 1.0 / (hix - lox) + var scaleY = 1.0 / (hiy - loy) + var diam = Math.max(hix - lox, hiy - loy) + + + + var levels = new Int32Array(n) + var ptr = 0 + + function snapRec(x, y, diam, start, end, level) { + var diam_2 = diam * 0.5 + var offset = start + 1 + var count = end - start + weights[ptr] = count + levels[ptr++] = level + for(var i=0; i<2; ++i) { + for(var j=0; j<2; ++j) { + var nx = x+i*diam_2 + var ny = y+j*diam_2 + var nextOffset = partition( + points + , ids + , offset + , end + , nx, ny + , nx+diam_2, ny+diam_2) + if(nextOffset === offset) { + continue + } + if(nextOffset - offset >= Math.max(0.9 * count, 32)) { + var mid = (end + start)>>>1 + snapRec(nx, ny, diam_2, offset, mid, level+1) + offset = mid + } + snapRec(nx, ny, diam_2, offset, nextOffset, level+1) + offset = nextOffset + } + } + } + snapRec(lox, loy, diam, 0, n, 0) + sortLevels(levels, points, ids, weights, n) + + var lod = [] + var lastLevel = 0 + var prevOffset = n + for(var ptr=n-1; ptr>=0; --ptr) { + points[2*ptr] = (points[2*ptr] - lox) * scaleX + points[2*ptr+1] = (points[2*ptr+1] - loy) * scaleY + + var level = levels[ptr] + if(level === lastLevel) { + continue + } + + lod.push(new SnapInterval( + diam * Math.pow(0.5, level), + ptr+1, + prevOffset - (ptr+1) + )) + prevOffset = ptr+1 + + lastLevel = level + } + + lod.push(new SnapInterval(diam * Math.pow(0.5, level+1), 0, prevOffset)) + + return lod +} },{"./lib/sort":533,"array-bounds":48}],535:[function(require,module,exports){ "use strict" @@ -88745,256 +88745,256 @@ var arcToBezier = function arcToBezier(_ref2) { exports.default = arcToBezier; module.exports = exports["default"]; },{}],542:[function(require,module,exports){ -'use strict' - -var parse = require('parse-svg-path') -var abs = require('abs-svg-path') -var normalize = require('normalize-svg-path') -var isSvgPath = require('is-svg-path') -var assert = require('assert') - -module.exports = pathBounds - - -function pathBounds(path) { - // ES6 string tpl call - if (Array.isArray(path) && path.length === 1 && typeof path[0] === 'string') path = path[0] - - // svg path string - if (typeof path === 'string') { - assert(isSvgPath(path), 'String is not an SVG path.') - path = parse(path) - } - - assert(Array.isArray(path), 'Argument should be a string or an array of path segments.') - - path = abs(path) - path = normalize(path) - - if (!path.length) return [0, 0, 0, 0] - - var bounds = [Infinity, Infinity, -Infinity, -Infinity] - - for (var i = 0, l = path.length; i < l; i++) { - var points = path[i].slice(1) - - for (var j = 0; j < points.length; j += 2) { - if (points[j + 0] < bounds[0]) bounds[0] = points[j + 0] - if (points[j + 1] < bounds[1]) bounds[1] = points[j + 1] - if (points[j + 0] > bounds[2]) bounds[2] = points[j + 0] - if (points[j + 1] > bounds[3]) bounds[3] = points[j + 1] - } - } - - return bounds -} +'use strict' + +var parse = require('parse-svg-path') +var abs = require('abs-svg-path') +var normalize = require('normalize-svg-path') +var isSvgPath = require('is-svg-path') +var assert = require('assert') + +module.exports = pathBounds + + +function pathBounds(path) { + // ES6 string tpl call + if (Array.isArray(path) && path.length === 1 && typeof path[0] === 'string') path = path[0] + + // svg path string + if (typeof path === 'string') { + assert(isSvgPath(path), 'String is not an SVG path.') + path = parse(path) + } + + assert(Array.isArray(path), 'Argument should be a string or an array of path segments.') + + path = abs(path) + path = normalize(path) + + if (!path.length) return [0, 0, 0, 0] + + var bounds = [Infinity, Infinity, -Infinity, -Infinity] + + for (var i = 0, l = path.length; i < l; i++) { + var points = path[i].slice(1) + + for (var j = 0; j < points.length; j += 2) { + if (points[j + 0] < bounds[0]) bounds[0] = points[j + 0] + if (points[j + 1] < bounds[1]) bounds[1] = points[j + 1] + if (points[j + 0] > bounds[2]) bounds[2] = points[j + 0] + if (points[j + 1] > bounds[3]) bounds[3] = points[j + 1] + } + } + + return bounds +} },{"abs-svg-path":43,"assert":51,"is-svg-path":287,"normalize-svg-path":543,"parse-svg-path":466}],543:[function(require,module,exports){ -'use strict' - -module.exports = normalize - -var arcToCurve = require('svg-arc-to-cubic-bezier') - -function normalize(path){ - // init state - var prev - var result = [] - var bezierX = 0 - var bezierY = 0 - var startX = 0 - var startY = 0 - var quadX = null - var quadY = null - var x = 0 - var y = 0 - - for (var i = 0, len = path.length; i < len; i++) { - var seg = path[i] - var command = seg[0] - - switch (command) { - case 'M': - startX = seg[1] - startY = seg[2] - break - case 'A': - var curves = arcToCurve({ - px: x, - py: y, - cx: seg[6], - cy: seg[7], - rx: seg[1], - ry: seg[2], - xAxisRotation: seg[3], - largeArcFlag: seg[4], - sweepFlag: seg[5] - }) - - // null-curves - if (!curves.length) continue - - for (var j = 0, c; j < curves.length; j++) { - c = curves[j] - seg = ['C', c.x1, c.y1, c.x2, c.y2, c.x, c.y] - if (j < curves.length - 1) result.push(seg) - } - - break - case 'S': - // default control point - var cx = x - var cy = y - if (prev == 'C' || prev == 'S') { - cx += cx - bezierX // reflect the previous command's control - cy += cy - bezierY // point relative to the current point - } - seg = ['C', cx, cy, seg[1], seg[2], seg[3], seg[4]] - break - case 'T': - if (prev == 'Q' || prev == 'T') { - quadX = x * 2 - quadX // as with 'S' reflect previous control point - quadY = y * 2 - quadY - } else { - quadX = x - quadY = y - } - seg = quadratic(x, y, quadX, quadY, seg[1], seg[2]) - break - case 'Q': - quadX = seg[1] - quadY = seg[2] - seg = quadratic(x, y, seg[1], seg[2], seg[3], seg[4]) - break - case 'L': - seg = line(x, y, seg[1], seg[2]) - break - case 'H': - seg = line(x, y, seg[1], y) - break - case 'V': - seg = line(x, y, x, seg[1]) - break - case 'Z': - seg = line(x, y, startX, startY) - break - } - - // update state - prev = command - x = seg[seg.length - 2] - y = seg[seg.length - 1] - if (seg.length > 4) { - bezierX = seg[seg.length - 4] - bezierY = seg[seg.length - 3] - } else { - bezierX = x - bezierY = y - } - result.push(seg) - } - - return result -} - -function line(x1, y1, x2, y2){ - return ['C', x1, y1, x2, y2, x2, y2] -} - -function quadratic(x1, y1, cx, cy, x2, y2){ - return [ - 'C', - x1/3 + (2/3) * cx, - y1/3 + (2/3) * cy, - x2/3 + (2/3) * cx, - y2/3 + (2/3) * cy, - x2, - y2 - ] -} +'use strict' + +module.exports = normalize + +var arcToCurve = require('svg-arc-to-cubic-bezier') + +function normalize(path){ + // init state + var prev + var result = [] + var bezierX = 0 + var bezierY = 0 + var startX = 0 + var startY = 0 + var quadX = null + var quadY = null + var x = 0 + var y = 0 + + for (var i = 0, len = path.length; i < len; i++) { + var seg = path[i] + var command = seg[0] + + switch (command) { + case 'M': + startX = seg[1] + startY = seg[2] + break + case 'A': + var curves = arcToCurve({ + px: x, + py: y, + cx: seg[6], + cy: seg[7], + rx: seg[1], + ry: seg[2], + xAxisRotation: seg[3], + largeArcFlag: seg[4], + sweepFlag: seg[5] + }) + + // null-curves + if (!curves.length) continue + + for (var j = 0, c; j < curves.length; j++) { + c = curves[j] + seg = ['C', c.x1, c.y1, c.x2, c.y2, c.x, c.y] + if (j < curves.length - 1) result.push(seg) + } + + break + case 'S': + // default control point + var cx = x + var cy = y + if (prev == 'C' || prev == 'S') { + cx += cx - bezierX // reflect the previous command's control + cy += cy - bezierY // point relative to the current point + } + seg = ['C', cx, cy, seg[1], seg[2], seg[3], seg[4]] + break + case 'T': + if (prev == 'Q' || prev == 'T') { + quadX = x * 2 - quadX // as with 'S' reflect previous control point + quadY = y * 2 - quadY + } else { + quadX = x + quadY = y + } + seg = quadratic(x, y, quadX, quadY, seg[1], seg[2]) + break + case 'Q': + quadX = seg[1] + quadY = seg[2] + seg = quadratic(x, y, seg[1], seg[2], seg[3], seg[4]) + break + case 'L': + seg = line(x, y, seg[1], seg[2]) + break + case 'H': + seg = line(x, y, seg[1], y) + break + case 'V': + seg = line(x, y, x, seg[1]) + break + case 'Z': + seg = line(x, y, startX, startY) + break + } + + // update state + prev = command + x = seg[seg.length - 2] + y = seg[seg.length - 1] + if (seg.length > 4) { + bezierX = seg[seg.length - 4] + bezierY = seg[seg.length - 3] + } else { + bezierX = x + bezierY = y + } + result.push(seg) + } + + return result +} + +function line(x1, y1, x2, y2){ + return ['C', x1, y1, x2, y2, x2, y2] +} + +function quadratic(x1, y1, cx, cy, x2, y2){ + return [ + 'C', + x1/3 + (2/3) * cx, + y1/3 + (2/3) * cy, + x2/3 + (2/3) * cx, + y2/3 + (2/3) * cy, + x2, + y2 + ] +} },{"svg-arc-to-cubic-bezier":541}],544:[function(require,module,exports){ (function (global){ -'use strict' - -var pathBounds = require('svg-path-bounds') -var parsePath = require('parse-svg-path') -var drawPath = require('draw-svg-path') -var isSvgPath = require('is-svg-path') -var bitmapSdf = require('bitmap-sdf') - -var canvas = document.createElement('canvas') -var ctx = canvas.getContext('2d') - - -module.exports = pathSdf - -function pathSdf (path, options) { - if (!isSvgPath(path)) throw Error('Argument should be valid svg path string') - - if (!options) options = {} - - var w, h - if (options.shape) { - w = options.shape[0] - h = options.shape[1] - } - else { - w = canvas.width = options.w || options.width || 200 - h = canvas.height = options.h || options.height || 200 - } - var size = Math.min(w, h) - - var stroke = options.stroke || 0 - - var viewbox = options.viewbox || options.viewBox || pathBounds(path) - var scale = [w / (viewbox[2] - viewbox[0]), h / (viewbox[3] - viewbox[1])] - var maxScale = Math.min(scale[0] || 0, scale[1] || 0) / 2 - - //clear ctx - ctx.fillStyle = 'black' - ctx.fillRect(0, 0, w, h) - - ctx.fillStyle = 'white' - - if (stroke) { - if (typeof stroke != 'number') stroke = 1 - if (stroke > 0) { - ctx.strokeStyle = 'white' - } - else { - ctx.strokeStyle = 'black' - } - - ctx.lineWidth = Math.abs(stroke) - } - - ctx.translate(w * .5, h * .5) - ctx.scale(maxScale, maxScale) - - //if canvas svg paths api is available - if (global.Path2D) { - var path2d = new Path2D(path) - ctx.fill(path2d) - stroke && ctx.stroke(path2d) - } - //fallback to bezier-curves - else { - var segments = parsePath(path) - drawPath(ctx, segments) - ctx.fill() - stroke && ctx.stroke() - } - - ctx.setTransform(1, 0, 0, 1, 0, 0); - - var data = bitmapSdf(ctx, { - cutoff: options.cutoff != null ? options.cutoff : .5, - radius: options.radius != null ? options.radius : size * .5 - }) - - return data -} +'use strict' + +var pathBounds = require('svg-path-bounds') +var parsePath = require('parse-svg-path') +var drawPath = require('draw-svg-path') +var isSvgPath = require('is-svg-path') +var bitmapSdf = require('bitmap-sdf') + +var canvas = document.createElement('canvas') +var ctx = canvas.getContext('2d') + + +module.exports = pathSdf + +function pathSdf (path, options) { + if (!isSvgPath(path)) throw Error('Argument should be valid svg path string') + + if (!options) options = {} + + var w, h + if (options.shape) { + w = options.shape[0] + h = options.shape[1] + } + else { + w = canvas.width = options.w || options.width || 200 + h = canvas.height = options.h || options.height || 200 + } + var size = Math.min(w, h) + + var stroke = options.stroke || 0 + + var viewbox = options.viewbox || options.viewBox || pathBounds(path) + var scale = [w / (viewbox[2] - viewbox[0]), h / (viewbox[3] - viewbox[1])] + var maxScale = Math.min(scale[0] || 0, scale[1] || 0) / 2 + + //clear ctx + ctx.fillStyle = 'black' + ctx.fillRect(0, 0, w, h) + + ctx.fillStyle = 'white' + + if (stroke) { + if (typeof stroke != 'number') stroke = 1 + if (stroke > 0) { + ctx.strokeStyle = 'white' + } + else { + ctx.strokeStyle = 'black' + } + + ctx.lineWidth = Math.abs(stroke) + } + + ctx.translate(w * .5, h * .5) + ctx.scale(maxScale, maxScale) + + //if canvas svg paths api is available + if (global.Path2D) { + var path2d = new Path2D(path) + ctx.fill(path2d) + stroke && ctx.stroke(path2d) + } + //fallback to bezier-curves + else { + var segments = parsePath(path) + drawPath(ctx, segments) + ctx.fill() + stroke && ctx.stroke() + } + + ctx.setTransform(1, 0, 0, 1, 0, 0); + + var data = bitmapSdf(ctx, { + cutoff: options.cutoff != null ? options.cutoff : .5, + radius: options.radius != null ? options.radius : size * .5 + }) + + return data +} }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"bitmap-sdf":72,"draw-svg-path":132,"is-svg-path":287,"parse-svg-path":466,"svg-path-bounds":542}],545:[function(require,module,exports){ @@ -90285,40 +90285,40 @@ else { })(Math); },{}],547:[function(require,module,exports){ -/* @module to-float32 */ - -'use strict' - -module.exports = float32 -module.exports.float32 = -module.exports.float = float32 -module.exports.fract32 = -module.exports.fract = fract32 - -// return fractional part of float32 array -function fract32 (arr) { - if (typeof arr === 'number') { - return float32(arr - float32(arr)) - } - - var fract = float32(arr) - for (var i = 0, l = fract.length; i < l; i++) { - fract[i] = arr[i] - fract[i] - } - return fract -} - -// make sure data is float32 array -function float32 (arr) { - if (arr instanceof Float32Array) return arr - if (typeof arr === 'number') { - return (new Float32Array([arr]))[0] - } - - var float = new Float32Array(arr) - float.set(arr) - return float -} +/* @module to-float32 */ + +'use strict' + +module.exports = float32 +module.exports.float32 = +module.exports.float = float32 +module.exports.fract32 = +module.exports.fract = fract32 + +// return fractional part of float32 array +function fract32 (arr) { + if (typeof arr === 'number') { + return float32(arr - float32(arr)) + } + + var fract = float32(arr) + for (var i = 0, l = fract.length; i < l; i++) { + fract[i] = arr[i] - fract[i] + } + return fract +} + +// make sure data is float32 array +function float32 (arr) { + if (arr instanceof Float32Array) return arr + if (typeof arr === 'number') { + return (new Float32Array([arr]))[0] + } + + var float = new Float32Array(arr) + float.set(arr) + return float +} },{}],548:[function(require,module,exports){ 'use strict' @@ -92007,37 +92007,37 @@ UnitBezier.prototype.solve = function(x, epsilon) { }; },{}],558:[function(require,module,exports){ -/** - * @module update-diff - */ - -'use strict' - -module.exports = function updateDiff (obj, diff, mappers) { - if (!Array.isArray(mappers)) mappers = [].slice.call(arguments, 2) - - for (var i = 0, l = mappers.length; i < l; i++) { - var dict = mappers[i] - for (var prop in dict) { - if (diff[prop] !== undefined && !Array.isArray(diff[prop]) && obj[prop] === diff[prop]) continue - - if (prop in diff) { - var result - - if (dict[prop] === true) result = diff[prop] - else if (dict[prop] === false) continue - else if (typeof dict[prop] === 'function') { - result = dict[prop](diff[prop], obj, diff) - if (result === undefined) continue - } - - obj[prop] = result - } - } - } - - return obj -} +/** + * @module update-diff + */ + +'use strict' + +module.exports = function updateDiff (obj, diff, mappers) { + if (!Array.isArray(mappers)) mappers = [].slice.call(arguments, 2) + + for (var i = 0, l = mappers.length; i < l; i++) { + var dict = mappers[i] + for (var prop in dict) { + if (diff[prop] !== undefined && !Array.isArray(diff[prop]) && obj[prop] === diff[prop]) continue + + if (prop in diff) { + var result + + if (dict[prop] === true) result = diff[prop] + else if (dict[prop] === false) continue + else if (typeof dict[prop] === 'function') { + result = dict[prop](diff[prop], obj, diff) + if (result === undefined) continue + } + + obj[prop] = result + } + } + } + + return obj +} },{}],559:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. diff --git a/dist/plotly.js b/dist/plotly.js index e7a89a9d720..d6453044d27 100644 --- a/dist/plotly.js +++ b/dist/plotly.js @@ -730,233 +730,233 @@ module.exports = require('../src/traces/table'); module.exports = require('../src/traces/violin'); },{"../src/traces/violin":1160}],39:[function(require,module,exports){ -'use strict' - -module.exports = createCamera - -var now = require('right-now') -var createView = require('3d-view') -var mouseChange = require('mouse-change') -var mouseWheel = require('mouse-wheel') -var mouseOffset = require('mouse-event-offset') - -function createCamera(element, options) { - element = element || document.body - options = options || {} - - var limits = [ 0.01, Infinity ] - if('distanceLimits' in options) { - limits[0] = options.distanceLimits[0] - limits[1] = options.distanceLimits[1] - } - if('zoomMin' in options) { - limits[0] = options.zoomMin - } - if('zoomMax' in options) { - limits[1] = options.zoomMax - } - - var view = createView({ - center: options.center || [0,0,0], - up: options.up || [0,1,0], - eye: options.eye || [0,0,10], - mode: options.mode || 'orbit', - distanceLimits: limits - }) - - var pmatrix = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] - var distance = 0.0 - var width = element.clientWidth - var height = element.clientHeight - - var camera = { - view: view, - element: element, - delay: options.delay || 16, - rotateSpeed: options.rotateSpeed || 1, - zoomSpeed: options.zoomSpeed || 1, - translateSpeed: options.translateSpeed || 1, - flipX: !!options.flipX, - flipY: !!options.flipY, - modes: view.modes, - tick: function() { - var t = now() - var delay = this.delay - view.idle(t-delay) - view.flush(t-(100+delay*2)) - var ctime = t - 2 * delay - view.recalcMatrix(ctime) - var allEqual = true - var matrix = view.computedMatrix - for(var i=0; i<16; ++i) { - allEqual = allEqual && (pmatrix[i] === matrix[i]) - pmatrix[i] = matrix[i] - } - var sizeChanged = - element.clientWidth === width && - element.clientHeight === height - width = element.clientWidth - height = element.clientHeight - if(allEqual) { - return !sizeChanged - } - distance = Math.exp(view.computedRadius[0]) - return true - }, - lookAt: function(center, eye, up) { - view.lookAt(view.lastT(), center, eye, up) - }, - rotate: function(pitch, yaw, roll) { - view.rotate(view.lastT(), pitch, yaw, roll) - }, - pan: function(dx, dy, dz) { - view.pan(view.lastT(), dx, dy, dz) - }, - translate: function(dx, dy, dz) { - view.translate(view.lastT(), dx, dy, dz) - } - } - - Object.defineProperties(camera, { - matrix: { - get: function() { - return view.computedMatrix - }, - set: function(mat) { - view.setMatrix(view.lastT(), mat) - return view.computedMatrix - }, - enumerable: true - }, - mode: { - get: function() { - return view.getMode() - }, - set: function(mode) { - view.setMode(mode) - return view.getMode() - }, - enumerable: true - }, - center: { - get: function() { - return view.computedCenter - }, - set: function(ncenter) { - view.lookAt(view.lastT(), ncenter) - return view.computedCenter - }, - enumerable: true - }, - eye: { - get: function() { - return view.computedEye - }, - set: function(neye) { - view.lookAt(view.lastT(), null, neye) - return view.computedEye - }, - enumerable: true - }, - up: { - get: function() { - return view.computedUp - }, - set: function(nup) { - view.lookAt(view.lastT(), null, null, nup) - return view.computedUp - }, - enumerable: true - }, - distance: { - get: function() { - return distance - }, - set: function(d) { - view.setDistance(view.lastT(), d) - return d - }, - enumerable: true - }, - distanceLimits: { - get: function() { - return view.getDistanceLimits(limits) - }, - set: function(v) { - view.setDistanceLimits(v) - return v - }, - enumerable: true - } - }) - - element.addEventListener('contextmenu', function(ev) { - ev.preventDefault() - return false - }) - - var lastX = 0, lastY = 0, lastMods = {shift: false, control: false, alt: false, meta: false} - mouseChange(element, handleInteraction) - - //enable simple touch interactions - element.addEventListener('touchstart', function (ev) { - var xy = mouseOffset(ev.changedTouches[0], element) - handleInteraction(0, xy[0], xy[1], lastMods) - handleInteraction(1, xy[0], xy[1], lastMods) - }) - element.addEventListener('touchmove', function (ev) { - var xy = mouseOffset(ev.changedTouches[0], element) - handleInteraction(1, xy[0], xy[1], lastMods) - }) - element.addEventListener('touchend', function (ev) { - var xy = mouseOffset(ev.changedTouches[0], element) - handleInteraction(0, lastX, lastY, lastMods) - }) - - function handleInteraction (buttons, x, y, mods) { - var scale = 1.0 / element.clientHeight - var dx = scale * (x - lastX) - var dy = scale * (y - lastY) - - var flipX = camera.flipX ? 1 : -1 - var flipY = camera.flipY ? 1 : -1 - - var drot = Math.PI * camera.rotateSpeed - - var t = now() - - if(buttons & 1) { - if(mods.shift) { - view.rotate(t, 0, 0, -dx * drot) - } else { - view.rotate(t, flipX * drot * dx, -flipY * drot * dy, 0) - } - } else if(buttons & 2) { - view.pan(t, -camera.translateSpeed * dx * distance, camera.translateSpeed * dy * distance, 0) - } else if(buttons & 4) { - var kzoom = camera.zoomSpeed * dy / window.innerHeight * (t - view.lastT()) * 50.0 - view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) - } - - lastX = x - lastY = y - lastMods = mods - } - - mouseWheel(element, function(dx, dy, dz) { - var flipX = camera.flipX ? 1 : -1 - var flipY = camera.flipY ? 1 : -1 - var t = now() - if(Math.abs(dx) > Math.abs(dy)) { - view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth) - } else { - var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0 - view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) - } - }, true) - - return camera -} +'use strict' + +module.exports = createCamera + +var now = require('right-now') +var createView = require('3d-view') +var mouseChange = require('mouse-change') +var mouseWheel = require('mouse-wheel') +var mouseOffset = require('mouse-event-offset') + +function createCamera(element, options) { + element = element || document.body + options = options || {} + + var limits = [ 0.01, Infinity ] + if('distanceLimits' in options) { + limits[0] = options.distanceLimits[0] + limits[1] = options.distanceLimits[1] + } + if('zoomMin' in options) { + limits[0] = options.zoomMin + } + if('zoomMax' in options) { + limits[1] = options.zoomMax + } + + var view = createView({ + center: options.center || [0,0,0], + up: options.up || [0,1,0], + eye: options.eye || [0,0,10], + mode: options.mode || 'orbit', + distanceLimits: limits + }) + + var pmatrix = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] + var distance = 0.0 + var width = element.clientWidth + var height = element.clientHeight + + var camera = { + view: view, + element: element, + delay: options.delay || 16, + rotateSpeed: options.rotateSpeed || 1, + zoomSpeed: options.zoomSpeed || 1, + translateSpeed: options.translateSpeed || 1, + flipX: !!options.flipX, + flipY: !!options.flipY, + modes: view.modes, + tick: function() { + var t = now() + var delay = this.delay + view.idle(t-delay) + view.flush(t-(100+delay*2)) + var ctime = t - 2 * delay + view.recalcMatrix(ctime) + var allEqual = true + var matrix = view.computedMatrix + for(var i=0; i<16; ++i) { + allEqual = allEqual && (pmatrix[i] === matrix[i]) + pmatrix[i] = matrix[i] + } + var sizeChanged = + element.clientWidth === width && + element.clientHeight === height + width = element.clientWidth + height = element.clientHeight + if(allEqual) { + return !sizeChanged + } + distance = Math.exp(view.computedRadius[0]) + return true + }, + lookAt: function(center, eye, up) { + view.lookAt(view.lastT(), center, eye, up) + }, + rotate: function(pitch, yaw, roll) { + view.rotate(view.lastT(), pitch, yaw, roll) + }, + pan: function(dx, dy, dz) { + view.pan(view.lastT(), dx, dy, dz) + }, + translate: function(dx, dy, dz) { + view.translate(view.lastT(), dx, dy, dz) + } + } + + Object.defineProperties(camera, { + matrix: { + get: function() { + return view.computedMatrix + }, + set: function(mat) { + view.setMatrix(view.lastT(), mat) + return view.computedMatrix + }, + enumerable: true + }, + mode: { + get: function() { + return view.getMode() + }, + set: function(mode) { + view.setMode(mode) + return view.getMode() + }, + enumerable: true + }, + center: { + get: function() { + return view.computedCenter + }, + set: function(ncenter) { + view.lookAt(view.lastT(), ncenter) + return view.computedCenter + }, + enumerable: true + }, + eye: { + get: function() { + return view.computedEye + }, + set: function(neye) { + view.lookAt(view.lastT(), null, neye) + return view.computedEye + }, + enumerable: true + }, + up: { + get: function() { + return view.computedUp + }, + set: function(nup) { + view.lookAt(view.lastT(), null, null, nup) + return view.computedUp + }, + enumerable: true + }, + distance: { + get: function() { + return distance + }, + set: function(d) { + view.setDistance(view.lastT(), d) + return d + }, + enumerable: true + }, + distanceLimits: { + get: function() { + return view.getDistanceLimits(limits) + }, + set: function(v) { + view.setDistanceLimits(v) + return v + }, + enumerable: true + } + }) + + element.addEventListener('contextmenu', function(ev) { + ev.preventDefault() + return false + }) + + var lastX = 0, lastY = 0, lastMods = {shift: false, control: false, alt: false, meta: false} + mouseChange(element, handleInteraction) + + //enable simple touch interactions + element.addEventListener('touchstart', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(0, xy[0], xy[1], lastMods) + handleInteraction(1, xy[0], xy[1], lastMods) + }) + element.addEventListener('touchmove', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(1, xy[0], xy[1], lastMods) + }) + element.addEventListener('touchend', function (ev) { + var xy = mouseOffset(ev.changedTouches[0], element) + handleInteraction(0, lastX, lastY, lastMods) + }) + + function handleInteraction (buttons, x, y, mods) { + var scale = 1.0 / element.clientHeight + var dx = scale * (x - lastX) + var dy = scale * (y - lastY) + + var flipX = camera.flipX ? 1 : -1 + var flipY = camera.flipY ? 1 : -1 + + var drot = Math.PI * camera.rotateSpeed + + var t = now() + + if(buttons & 1) { + if(mods.shift) { + view.rotate(t, 0, 0, -dx * drot) + } else { + view.rotate(t, flipX * drot * dx, -flipY * drot * dy, 0) + } + } else if(buttons & 2) { + view.pan(t, -camera.translateSpeed * dx * distance, camera.translateSpeed * dy * distance, 0) + } else if(buttons & 4) { + var kzoom = camera.zoomSpeed * dy / window.innerHeight * (t - view.lastT()) * 50.0 + view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) + } + + lastX = x + lastY = y + lastMods = mods + } + + mouseWheel(element, function(dx, dy, dz) { + var flipX = camera.flipX ? 1 : -1 + var flipY = camera.flipY ? 1 : -1 + var t = now() + if(Math.abs(dx) > Math.abs(dy)) { + view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth) + } else { + var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0 + view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1)) + } + }, true) + + return camera +} },{"3d-view":40,"mouse-change":443,"mouse-event-offset":444,"mouse-wheel":446,"right-now":509}],40:[function(require,module,exports){ 'use strict' @@ -1595,74 +1595,74 @@ function alphaShape(alpha, points) { return bnd(ac(alpha, points)) } },{"alpha-complex":46,"simplicial-complex-boundary":523}],48:[function(require,module,exports){ -'use strict' - -module.exports = normalize; - -function normalize (arr, dim) { - if (!arr || arr.length == null) throw Error('Argument should be an array') - - if (dim == null) dim = 1 - else dim = Math.floor(dim) - - var bounds = Array(dim * 2) - - for (var offset = 0; offset < dim; offset++) { - var max = -Infinity, min = Infinity, i = offset, l = arr.length; - - for (; i < l; i+=dim) { - if (arr[i] > max) max = arr[i]; - if (arr[i] < min) min = arr[i]; - } - - bounds[offset] = min - bounds[dim + offset] = max - } - - return bounds; -} +'use strict' + +module.exports = normalize; + +function normalize (arr, dim) { + if (!arr || arr.length == null) throw Error('Argument should be an array') + + if (dim == null) dim = 1 + else dim = Math.floor(dim) + + var bounds = Array(dim * 2) + + for (var offset = 0; offset < dim; offset++) { + var max = -Infinity, min = Infinity, i = offset, l = arr.length; + + for (; i < l; i+=dim) { + if (arr[i] > max) max = arr[i]; + if (arr[i] < min) min = arr[i]; + } + + bounds[offset] = min + bounds[dim + offset] = max + } + + return bounds; +} },{}],49:[function(require,module,exports){ -'use strict' - -var getBounds = require('array-bounds') - -module.exports = normalize; - -function normalize (arr, dim, bounds) { - if (!arr || arr.length == null) throw Error('Argument should be an array') - - if (dim == null) dim = 1 - if (bounds == null) bounds = getBounds(arr, dim) - - for (var offset = 0; offset < dim; offset++) { - var max = bounds[dim + offset], min = bounds[offset], i = offset, l = arr.length; - - if (max === Infinity && min === -Infinity) { - for (i = offset; i < l; i+=dim) { - arr[i] = arr[i] === max ? 1 : arr[i] === min ? 0 : .5 - } - } - else if (max === Infinity) { - for (i = offset; i < l; i+=dim) { - arr[i] = arr[i] === max ? 1 : 0 - } - } - else if (min === -Infinity) { - for (i = offset; i < l; i+=dim) { - arr[i] = arr[i] === min ? 0 : 1 - } - } - else { - var range = max - min - for (i = offset; i < l; i+=dim) { - arr[i] = range === 0 ? .5 : (arr[i] - min) / range - } - } - } - - return arr; -} +'use strict' + +var getBounds = require('array-bounds') + +module.exports = normalize; + +function normalize (arr, dim, bounds) { + if (!arr || arr.length == null) throw Error('Argument should be an array') + + if (dim == null) dim = 1 + if (bounds == null) bounds = getBounds(arr, dim) + + for (var offset = 0; offset < dim; offset++) { + var max = bounds[dim + offset], min = bounds[offset], i = offset, l = arr.length; + + if (max === Infinity && min === -Infinity) { + for (i = offset; i < l; i+=dim) { + arr[i] = arr[i] === max ? 1 : arr[i] === min ? 0 : .5 + } + } + else if (max === Infinity) { + for (i = offset; i < l; i+=dim) { + arr[i] = arr[i] === max ? 1 : 0 + } + } + else if (min === -Infinity) { + for (i = offset; i < l; i+=dim) { + arr[i] = arr[i] === min ? 0 : 1 + } + } + else { + var range = max - min + for (i = offset; i < l; i+=dim) { + arr[i] = range === 0 ? .5 : (arr[i] - min) / range + } + } + } + + return arr; +} },{"array-bounds":48}],50:[function(require,module,exports){ 'use strict'; @@ -2972,142 +2972,142 @@ exports.nextCombination = function(v) { },{}],72:[function(require,module,exports){ -'use strict' - -var clamp = require('clamp') - -module.exports = calcSDF - -var INF = 1e20; - -function calcSDF(src, options) { - if (!options) options = {} - - var cutoff = options.cutoff == null ? 0.25 : options.cutoff - var radius = options.radius == null ? 8 : options.radius - var channel = options.channel || 0 - var w, h, size, data, intData, stride, ctx, canvas, imgData, i, l - - // handle image container - if (ArrayBuffer.isView(src) || Array.isArray(src)) { - if (!options.width || !options.height) throw Error('For raw data width and height should be provided by options') - w = options.width, h = options.height - data = src - - if (!options.stride) stride = Math.floor(src.length / w / h) - else stride = options.stride - } - else { - if (window.HTMLCanvasElement && src instanceof window.HTMLCanvasElement) { - canvas = src - ctx = canvas.getContext('2d') - w = canvas.width, h = canvas.height - imgData = ctx.getImageData(0, 0, w, h) - data = imgData.data - stride = 4 - } - else if (window.CanvasRenderingContext2D && src instanceof window.CanvasRenderingContext2D) { - canvas = src.canvas - ctx = src - w = canvas.width, h = canvas.height - imgData = ctx.getImageData(0, 0, w, h) - data = imgData.data - stride = 4 - } - else if (window.ImageData && src instanceof window.ImageData) { - imgData = src - w = src.width, h = src.height - data = imgData.data - stride = 4 - } - } - - size = Math.max(w, h) - - //convert int data to floats - if ((window.Uint8ClampedArray && data instanceof window.Uint8ClampedArray) || (window.Uint8Array && data instanceof window.Uint8Array)) { - intData = data - data = Array(w*h) - - for (i = 0, l = intData.length; i < l; i++) { - data[i] = intData[i*stride + channel] / 255 - } - } - else { - if (stride !== 1) throw Error('Raw data can have only 1 value per pixel') - } - - // temporary arrays for the distance transform - var gridOuter = Array(w * h) - var gridInner = Array(w * h) - var f = Array(size) - var d = Array(size) - var z = Array(size + 1) - var v = Array(size) - - for (i = 0, l = w * h; i < l; i++) { - var a = data[i] - gridOuter[i] = a === 1 ? 0 : a === 0 ? INF : Math.pow(Math.max(0, 0.5 - a), 2) - gridInner[i] = a === 1 ? INF : a === 0 ? 0 : Math.pow(Math.max(0, a - 0.5), 2) - } - - edt(gridOuter, w, h, f, d, v, z) - edt(gridInner, w, h, f, d, v, z) - - var dist = window.Float32Array ? new Float32Array(w * h) : new Array(w * h) - - for (i = 0, l = w*h; i < l; i++) { - dist[i] = clamp(1 - ( (gridOuter[i] - gridInner[i]) / radius + cutoff), 0, 1) - } - - return dist -} - -// 2D Euclidean distance transform by Felzenszwalb & Huttenlocher https://cs.brown.edu/~pff/dt/ -function edt(data, width, height, f, d, v, z) { - for (var x = 0; x < width; x++) { - for (var y = 0; y < height; y++) { - f[y] = data[y * width + x] - } - edt1d(f, d, v, z, height) - for (y = 0; y < height; y++) { - data[y * width + x] = d[y] - } - } - for (y = 0; y < height; y++) { - for (x = 0; x < width; x++) { - f[x] = data[y * width + x] - } - edt1d(f, d, v, z, width) - for (x = 0; x < width; x++) { - data[y * width + x] = Math.sqrt(d[x]) - } - } -} - -// 1D squared distance transform -function edt1d(f, d, v, z, n) { - v[0] = 0; - z[0] = -INF - z[1] = +INF - - for (var q = 1, k = 0; q < n; q++) { - var s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) - while (s <= z[k]) { - k-- - s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) - } - k++ - v[k] = q - z[k] = s - z[k + 1] = +INF - } - - for (q = 0, k = 0; q < n; q++) { - while (z[k + 1] < q) k++ - d[q] = (q - v[k]) * (q - v[k]) + f[v[k]] - } -} +'use strict' + +var clamp = require('clamp') + +module.exports = calcSDF + +var INF = 1e20; + +function calcSDF(src, options) { + if (!options) options = {} + + var cutoff = options.cutoff == null ? 0.25 : options.cutoff + var radius = options.radius == null ? 8 : options.radius + var channel = options.channel || 0 + var w, h, size, data, intData, stride, ctx, canvas, imgData, i, l + + // handle image container + if (ArrayBuffer.isView(src) || Array.isArray(src)) { + if (!options.width || !options.height) throw Error('For raw data width and height should be provided by options') + w = options.width, h = options.height + data = src + + if (!options.stride) stride = Math.floor(src.length / w / h) + else stride = options.stride + } + else { + if (window.HTMLCanvasElement && src instanceof window.HTMLCanvasElement) { + canvas = src + ctx = canvas.getContext('2d') + w = canvas.width, h = canvas.height + imgData = ctx.getImageData(0, 0, w, h) + data = imgData.data + stride = 4 + } + else if (window.CanvasRenderingContext2D && src instanceof window.CanvasRenderingContext2D) { + canvas = src.canvas + ctx = src + w = canvas.width, h = canvas.height + imgData = ctx.getImageData(0, 0, w, h) + data = imgData.data + stride = 4 + } + else if (window.ImageData && src instanceof window.ImageData) { + imgData = src + w = src.width, h = src.height + data = imgData.data + stride = 4 + } + } + + size = Math.max(w, h) + + //convert int data to floats + if ((window.Uint8ClampedArray && data instanceof window.Uint8ClampedArray) || (window.Uint8Array && data instanceof window.Uint8Array)) { + intData = data + data = Array(w*h) + + for (i = 0, l = intData.length; i < l; i++) { + data[i] = intData[i*stride + channel] / 255 + } + } + else { + if (stride !== 1) throw Error('Raw data can have only 1 value per pixel') + } + + // temporary arrays for the distance transform + var gridOuter = Array(w * h) + var gridInner = Array(w * h) + var f = Array(size) + var d = Array(size) + var z = Array(size + 1) + var v = Array(size) + + for (i = 0, l = w * h; i < l; i++) { + var a = data[i] + gridOuter[i] = a === 1 ? 0 : a === 0 ? INF : Math.pow(Math.max(0, 0.5 - a), 2) + gridInner[i] = a === 1 ? INF : a === 0 ? 0 : Math.pow(Math.max(0, a - 0.5), 2) + } + + edt(gridOuter, w, h, f, d, v, z) + edt(gridInner, w, h, f, d, v, z) + + var dist = window.Float32Array ? new Float32Array(w * h) : new Array(w * h) + + for (i = 0, l = w*h; i < l; i++) { + dist[i] = clamp(1 - ( (gridOuter[i] - gridInner[i]) / radius + cutoff), 0, 1) + } + + return dist +} + +// 2D Euclidean distance transform by Felzenszwalb & Huttenlocher https://cs.brown.edu/~pff/dt/ +function edt(data, width, height, f, d, v, z) { + for (var x = 0; x < width; x++) { + for (var y = 0; y < height; y++) { + f[y] = data[y * width + x] + } + edt1d(f, d, v, z, height) + for (y = 0; y < height; y++) { + data[y * width + x] = d[y] + } + } + for (y = 0; y < height; y++) { + for (x = 0; x < width; x++) { + f[x] = data[y * width + x] + } + edt1d(f, d, v, z, width) + for (x = 0; x < width; x++) { + data[y * width + x] = Math.sqrt(d[x]) + } + } +} + +// 1D squared distance transform +function edt1d(f, d, v, z, n) { + v[0] = 0; + z[0] = -INF + z[1] = +INF + + for (var q = 1, k = 0; q < n; q++) { + var s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) + while (s <= z[k]) { + k-- + s = ((f[q] + q * q) - (f[v[k]] + v[k] * v[k])) / (2 * q - 2 * v[k]) + } + k++ + v[k] = q + z[k] = s + z[k + 1] = +INF + } + + for (q = 0, k = 0; q < n; q++) { + while (z[k + 1] < q) k++ + d[q] = (q - v[k]) * (q - v[k]) + f[v[k]] + } +} },{"clamp":93}],73:[function(require,module,exports){ (function (module, exports) { @@ -11450,487 +11450,487 @@ if (typeof module === 'object' && module.exports) { }).call(this,require("buffer").Buffer) },{"buffer":82}],97:[function(require,module,exports){ -/** @module color-id */ - -'use strict' - -var clamp = require('clamp') - -module.exports = toNumber -module.exports.to = toNumber -module.exports.from = fromNumber - -function toNumber (rgba, normalized) { - if(normalized == null) normalized = true - - var r = rgba[0], g = rgba[1], b = rgba[2], a = rgba[3] - - if (a == null) a = normalized ? 1 : 255 - - if (normalized) { - r *= 255 - g *= 255 - b *= 255 - a *= 255 - } - - r = clamp(r, 0, 255) & 0xFF - g = clamp(g, 0, 255) & 0xFF - b = clamp(b, 0, 255) & 0xFF - a = clamp(a, 0, 255) & 0xFF - - //hi-order shift converts to -1, so we can't use <<24 - var n = (r * 0x01000000) + (g << 16) + (b << 8) + (a) - - return n -} - -function fromNumber (n, normalized) { - n = +n - - var r = n >>> 24 - var g = (n & 0x00ff0000) >>> 16 - var b = (n & 0x0000ff00) >>> 8 - var a = n & 0x000000ff - - if (normalized === false) return [r, g, b, a] - - return [r/255, g/255, b/255, a/255] -} +/** @module color-id */ + +'use strict' + +var clamp = require('clamp') + +module.exports = toNumber +module.exports.to = toNumber +module.exports.from = fromNumber + +function toNumber (rgba, normalized) { + if(normalized == null) normalized = true + + var r = rgba[0], g = rgba[1], b = rgba[2], a = rgba[3] + + if (a == null) a = normalized ? 1 : 255 + + if (normalized) { + r *= 255 + g *= 255 + b *= 255 + a *= 255 + } + + r = clamp(r, 0, 255) & 0xFF + g = clamp(g, 0, 255) & 0xFF + b = clamp(b, 0, 255) & 0xFF + a = clamp(a, 0, 255) & 0xFF + + //hi-order shift converts to -1, so we can't use <<24 + var n = (r * 0x01000000) + (g << 16) + (b << 8) + (a) + + return n +} + +function fromNumber (n, normalized) { + n = +n + + var r = n >>> 24 + var g = (n & 0x00ff0000) >>> 16 + var b = (n & 0x0000ff00) >>> 8 + var a = n & 0x000000ff + + if (normalized === false) return [r, g, b, a] + + return [r/255, g/255, b/255, a/255] +} },{"clamp":93}],98:[function(require,module,exports){ -'use strict' - -module.exports = { - "aliceblue": [240, 248, 255], - "antiquewhite": [250, 235, 215], - "aqua": [0, 255, 255], - "aquamarine": [127, 255, 212], - "azure": [240, 255, 255], - "beige": [245, 245, 220], - "bisque": [255, 228, 196], - "black": [0, 0, 0], - "blanchedalmond": [255, 235, 205], - "blue": [0, 0, 255], - "blueviolet": [138, 43, 226], - "brown": [165, 42, 42], - "burlywood": [222, 184, 135], - "cadetblue": [95, 158, 160], - "chartreuse": [127, 255, 0], - "chocolate": [210, 105, 30], - "coral": [255, 127, 80], - "cornflowerblue": [100, 149, 237], - "cornsilk": [255, 248, 220], - "crimson": [220, 20, 60], - "cyan": [0, 255, 255], - "darkblue": [0, 0, 139], - "darkcyan": [0, 139, 139], - "darkgoldenrod": [184, 134, 11], - "darkgray": [169, 169, 169], - "darkgreen": [0, 100, 0], - "darkgrey": [169, 169, 169], - "darkkhaki": [189, 183, 107], - "darkmagenta": [139, 0, 139], - "darkolivegreen": [85, 107, 47], - "darkorange": [255, 140, 0], - "darkorchid": [153, 50, 204], - "darkred": [139, 0, 0], - "darksalmon": [233, 150, 122], - "darkseagreen": [143, 188, 143], - "darkslateblue": [72, 61, 139], - "darkslategray": [47, 79, 79], - "darkslategrey": [47, 79, 79], - "darkturquoise": [0, 206, 209], - "darkviolet": [148, 0, 211], - "deeppink": [255, 20, 147], - "deepskyblue": [0, 191, 255], - "dimgray": [105, 105, 105], - "dimgrey": [105, 105, 105], - "dodgerblue": [30, 144, 255], - "firebrick": [178, 34, 34], - "floralwhite": [255, 250, 240], - "forestgreen": [34, 139, 34], - "fuchsia": [255, 0, 255], - "gainsboro": [220, 220, 220], - "ghostwhite": [248, 248, 255], - "gold": [255, 215, 0], - "goldenrod": [218, 165, 32], - "gray": [128, 128, 128], - "green": [0, 128, 0], - "greenyellow": [173, 255, 47], - "grey": [128, 128, 128], - "honeydew": [240, 255, 240], - "hotpink": [255, 105, 180], - "indianred": [205, 92, 92], - "indigo": [75, 0, 130], - "ivory": [255, 255, 240], - "khaki": [240, 230, 140], - "lavender": [230, 230, 250], - "lavenderblush": [255, 240, 245], - "lawngreen": [124, 252, 0], - "lemonchiffon": [255, 250, 205], - "lightblue": [173, 216, 230], - "lightcoral": [240, 128, 128], - "lightcyan": [224, 255, 255], - "lightgoldenrodyellow": [250, 250, 210], - "lightgray": [211, 211, 211], - "lightgreen": [144, 238, 144], - "lightgrey": [211, 211, 211], - "lightpink": [255, 182, 193], - "lightsalmon": [255, 160, 122], - "lightseagreen": [32, 178, 170], - "lightskyblue": [135, 206, 250], - "lightslategray": [119, 136, 153], - "lightslategrey": [119, 136, 153], - "lightsteelblue": [176, 196, 222], - "lightyellow": [255, 255, 224], - "lime": [0, 255, 0], - "limegreen": [50, 205, 50], - "linen": [250, 240, 230], - "magenta": [255, 0, 255], - "maroon": [128, 0, 0], - "mediumaquamarine": [102, 205, 170], - "mediumblue": [0, 0, 205], - "mediumorchid": [186, 85, 211], - "mediumpurple": [147, 112, 219], - "mediumseagreen": [60, 179, 113], - "mediumslateblue": [123, 104, 238], - "mediumspringgreen": [0, 250, 154], - "mediumturquoise": [72, 209, 204], - "mediumvioletred": [199, 21, 133], - "midnightblue": [25, 25, 112], - "mintcream": [245, 255, 250], - "mistyrose": [255, 228, 225], - "moccasin": [255, 228, 181], - "navajowhite": [255, 222, 173], - "navy": [0, 0, 128], - "oldlace": [253, 245, 230], - "olive": [128, 128, 0], - "olivedrab": [107, 142, 35], - "orange": [255, 165, 0], - "orangered": [255, 69, 0], - "orchid": [218, 112, 214], - "palegoldenrod": [238, 232, 170], - "palegreen": [152, 251, 152], - "paleturquoise": [175, 238, 238], - "palevioletred": [219, 112, 147], - "papayawhip": [255, 239, 213], - "peachpuff": [255, 218, 185], - "peru": [205, 133, 63], - "pink": [255, 192, 203], - "plum": [221, 160, 221], - "powderblue": [176, 224, 230], - "purple": [128, 0, 128], - "rebeccapurple": [102, 51, 153], - "red": [255, 0, 0], - "rosybrown": [188, 143, 143], - "royalblue": [65, 105, 225], - "saddlebrown": [139, 69, 19], - "salmon": [250, 128, 114], - "sandybrown": [244, 164, 96], - "seagreen": [46, 139, 87], - "seashell": [255, 245, 238], - "sienna": [160, 82, 45], - "silver": [192, 192, 192], - "skyblue": [135, 206, 235], - "slateblue": [106, 90, 205], - "slategray": [112, 128, 144], - "slategrey": [112, 128, 144], - "snow": [255, 250, 250], - "springgreen": [0, 255, 127], - "steelblue": [70, 130, 180], - "tan": [210, 180, 140], - "teal": [0, 128, 128], - "thistle": [216, 191, 216], - "tomato": [255, 99, 71], - "turquoise": [64, 224, 208], - "violet": [238, 130, 238], - "wheat": [245, 222, 179], - "white": [255, 255, 255], - "whitesmoke": [245, 245, 245], - "yellow": [255, 255, 0], - "yellowgreen": [154, 205, 50] -}; +'use strict' + +module.exports = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] +}; },{}],99:[function(require,module,exports){ -/** @module color-rgba */ - -'use strict' - -var rgba = require('color-rgba') -var clamp = require('clamp') -var dtype = require('dtype') - -module.exports = function normalize (color, type) { - if (type === 'float' || !type) type = 'array' - if (type === 'uint') type = 'uint8' - if (type === 'uint_clamped') type = 'uint8_clamped' - var Ctor = dtype(type) - var output = new Ctor(4) - - //same class does not change values - if (color instanceof Ctor) { - if (Array.isArray(color)) { - return color.slice() - } - - output.set(color) - - return output - } - - var normalize = type !== 'uint8' && type !== 'uint8_clamped' - - //consider uint8 array as 0..255 channel values - if (color instanceof Uint8Array || color instanceof Uint8ClampedArray) { - output[0] = color[0] - output[1] = color[1] - output[2] = color[2] - output[3] = color[3] != null ? color[3] : 255 - if (normalize) { - output[0] /= 255 - output[1] /= 255 - output[2] /= 255 - output[3] /= 255 - } - - return output - } - - //attempt to parse non-array arguments - if (!color.length || typeof color === 'string') { - color = rgba(color) - color[0] /= 255 - color[1] /= 255 - color[2] /= 255 - } - - //consider every other array type as 0..1 float values - if (!normalize) { - output[0] = clamp(Math.round(color[0] * 255), 0, 255) - output[1] = clamp(Math.round(color[1] * 255), 0, 255) - output[2] = clamp(Math.round(color[2] * 255), 0, 255) - output[3] = color[3] == null ? 255 : clamp(Math.floor(color[3] * 255), 0, 255) - } else { - output[0] = color[0] - output[1] = color[1] - output[2] = color[2] - output[3] = color[3] != null ? color[3] : 1 - } - - return output -} +/** @module color-rgba */ + +'use strict' + +var rgba = require('color-rgba') +var clamp = require('clamp') +var dtype = require('dtype') + +module.exports = function normalize (color, type) { + if (type === 'float' || !type) type = 'array' + if (type === 'uint') type = 'uint8' + if (type === 'uint_clamped') type = 'uint8_clamped' + var Ctor = dtype(type) + var output = new Ctor(4) + + //same class does not change values + if (color instanceof Ctor) { + if (Array.isArray(color)) { + return color.slice() + } + + output.set(color) + + return output + } + + var normalize = type !== 'uint8' && type !== 'uint8_clamped' + + //consider uint8 array as 0..255 channel values + if (color instanceof Uint8Array || color instanceof Uint8ClampedArray) { + output[0] = color[0] + output[1] = color[1] + output[2] = color[2] + output[3] = color[3] != null ? color[3] : 255 + if (normalize) { + output[0] /= 255 + output[1] /= 255 + output[2] /= 255 + output[3] /= 255 + } + + return output + } + + //attempt to parse non-array arguments + if (!color.length || typeof color === 'string') { + color = rgba(color) + color[0] /= 255 + color[1] /= 255 + color[2] /= 255 + } + + //consider every other array type as 0..1 float values + if (!normalize) { + output[0] = clamp(Math.round(color[0] * 255), 0, 255) + output[1] = clamp(Math.round(color[1] * 255), 0, 255) + output[2] = clamp(Math.round(color[2] * 255), 0, 255) + output[3] = color[3] == null ? 255 : clamp(Math.floor(color[3] * 255), 0, 255) + } else { + output[0] = color[0] + output[1] = color[1] + output[2] = color[2] + output[3] = color[3] != null ? color[3] : 1 + } + + return output +} },{"clamp":93,"color-rgba":101,"dtype":133}],100:[function(require,module,exports){ (function (global){ -/** - * @module color-parse - */ - -'use strict' - -var names = require('color-name') -var isObject = require('is-plain-obj') -var defined = require('defined') - -module.exports = parse - -/** - * Base hues - * http://dev.w3.org/csswg/css-color/#typedef-named-hue - */ -//FIXME: use external hue detector -var baseHues = { - red: 0, - orange: 60, - yellow: 120, - green: 180, - blue: 240, - purple: 300 -} - -/** - * Parse color from the string passed - * - * @return {Object} A space indicator `space`, an array `values` and `alpha` - */ -function parse (cstr) { - var m, parts = [], alpha = 1, space - - if (typeof cstr === 'string') { - //keyword - if (names[cstr]) { - parts = names[cstr].slice() - space = 'rgb' - } - - //reserved words - else if (cstr === 'transparent') { - alpha = 0 - space = 'rgb' - parts = [0,0,0] - } - - //hex - else if (/^#[A-Fa-f0-9]+$/.test(cstr)) { - var base = cstr.slice(1) - var size = base.length - var isShort = size <= 4 - alpha = 1 - - if (isShort) { - parts = [ - parseInt(base[0] + base[0], 16), - parseInt(base[1] + base[1], 16), - parseInt(base[2] + base[2], 16) - ] - if (size === 4) { - alpha = parseInt(base[3] + base[3], 16) / 255 - } - } - else { - parts = [ - parseInt(base[0] + base[1], 16), - parseInt(base[2] + base[3], 16), - parseInt(base[4] + base[5], 16) - ] - if (size === 8) { - alpha = parseInt(base[6] + base[7], 16) / 255 - } - } - - if (!parts[0]) parts[0] = 0 - if (!parts[1]) parts[1] = 0 - if (!parts[2]) parts[2] = 0 - - space = 'rgb' - } - - //color space - else if (m = /^((?:rgb|hs[lvb]|hwb|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms)a?)\s*\(([^\)]*)\)/.exec(cstr)) { - var name = m[1] - var base = name.replace(/a$/, '') - space = base - var size = base === 'cmyk' ? 4 : base === 'gray' ? 1 : 3 - parts = m[2].trim() - .split(/\s*,\s*/) - .map(function (x, i) { - // - if (/%$/.test(x)) { - //alpha - if (i === size) return parseFloat(x) / 100 - //rgb - if (base === 'rgb') return parseFloat(x) * 255 / 100 - return parseFloat(x) - } - //hue - else if (base[i] === 'h') { - // - if (/deg$/.test(x)) { - return parseFloat(x) - } - // - else if (baseHues[x] !== undefined) { - return baseHues[x] - } - } - return parseFloat(x) - }) - - if (name === base) parts.push(1) - alpha = parts[size] === undefined ? 1 : parts[size] - parts = parts.slice(0, size) - } - - //named channels case - else if (cstr.length > 10 && /[0-9](?:\s|\/)/.test(cstr)) { - parts = cstr.match(/([0-9]+)/g).map(function (value) { - return parseFloat(value) - }) - - space = cstr.match(/([a-z])/ig).join('').toLowerCase() - } - } - - //numeric case - else if (typeof cstr === 'number') { - space = 'rgb' - parts = [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff] - } - - //object case - detects css cases of rgb and hsl - else if (isObject(cstr)) { - var r = defined(cstr.r, cstr.red, cstr.R, null) - - if (r !== null) { - space = 'rgb' - parts = [ - r, - defined(cstr.g, cstr.green, cstr.G), - defined(cstr.b, cstr.blue, cstr.B) - ] - } - else { - space = 'hsl' - parts = [ - defined(cstr.h, cstr.hue, cstr.H), - defined(cstr.s, cstr.saturation, cstr.S), - defined(cstr.l, cstr.lightness, cstr.L, cstr.b, cstr.brightness) - ] - } - - alpha = defined(cstr.a, cstr.alpha, cstr.opacity, 1) - - if (cstr.opacity != null) alpha /= 100 - } - - //array - else if (Array.isArray(cstr) || global.ArrayBuffer && ArrayBuffer.isView && ArrayBuffer.isView(cstr)) { - parts = [cstr[0], cstr[1], cstr[2]] - space = 'rgb' - alpha = cstr.length === 4 ? cstr[3] : 1 - } - - return { - space: space, - values: parts, - alpha: alpha - } -} +/** + * @module color-parse + */ + +'use strict' + +var names = require('color-name') +var isObject = require('is-plain-obj') +var defined = require('defined') + +module.exports = parse + +/** + * Base hues + * http://dev.w3.org/csswg/css-color/#typedef-named-hue + */ +//FIXME: use external hue detector +var baseHues = { + red: 0, + orange: 60, + yellow: 120, + green: 180, + blue: 240, + purple: 300 +} + +/** + * Parse color from the string passed + * + * @return {Object} A space indicator `space`, an array `values` and `alpha` + */ +function parse (cstr) { + var m, parts = [], alpha = 1, space + + if (typeof cstr === 'string') { + //keyword + if (names[cstr]) { + parts = names[cstr].slice() + space = 'rgb' + } + + //reserved words + else if (cstr === 'transparent') { + alpha = 0 + space = 'rgb' + parts = [0,0,0] + } + + //hex + else if (/^#[A-Fa-f0-9]+$/.test(cstr)) { + var base = cstr.slice(1) + var size = base.length + var isShort = size <= 4 + alpha = 1 + + if (isShort) { + parts = [ + parseInt(base[0] + base[0], 16), + parseInt(base[1] + base[1], 16), + parseInt(base[2] + base[2], 16) + ] + if (size === 4) { + alpha = parseInt(base[3] + base[3], 16) / 255 + } + } + else { + parts = [ + parseInt(base[0] + base[1], 16), + parseInt(base[2] + base[3], 16), + parseInt(base[4] + base[5], 16) + ] + if (size === 8) { + alpha = parseInt(base[6] + base[7], 16) / 255 + } + } + + if (!parts[0]) parts[0] = 0 + if (!parts[1]) parts[1] = 0 + if (!parts[2]) parts[2] = 0 + + space = 'rgb' + } + + //color space + else if (m = /^((?:rgb|hs[lvb]|hwb|cmyk?|xy[zy]|gray|lab|lchu?v?|[ly]uv|lms)a?)\s*\(([^\)]*)\)/.exec(cstr)) { + var name = m[1] + var base = name.replace(/a$/, '') + space = base + var size = base === 'cmyk' ? 4 : base === 'gray' ? 1 : 3 + parts = m[2].trim() + .split(/\s*,\s*/) + .map(function (x, i) { + // + if (/%$/.test(x)) { + //alpha + if (i === size) return parseFloat(x) / 100 + //rgb + if (base === 'rgb') return parseFloat(x) * 255 / 100 + return parseFloat(x) + } + //hue + else if (base[i] === 'h') { + // + if (/deg$/.test(x)) { + return parseFloat(x) + } + // + else if (baseHues[x] !== undefined) { + return baseHues[x] + } + } + return parseFloat(x) + }) + + if (name === base) parts.push(1) + alpha = parts[size] === undefined ? 1 : parts[size] + parts = parts.slice(0, size) + } + + //named channels case + else if (cstr.length > 10 && /[0-9](?:\s|\/)/.test(cstr)) { + parts = cstr.match(/([0-9]+)/g).map(function (value) { + return parseFloat(value) + }) + + space = cstr.match(/([a-z])/ig).join('').toLowerCase() + } + } + + //numeric case + else if (typeof cstr === 'number') { + space = 'rgb' + parts = [cstr >>> 16, (cstr & 0x00ff00) >>> 8, cstr & 0x0000ff] + } + + //object case - detects css cases of rgb and hsl + else if (isObject(cstr)) { + var r = defined(cstr.r, cstr.red, cstr.R, null) + + if (r !== null) { + space = 'rgb' + parts = [ + r, + defined(cstr.g, cstr.green, cstr.G), + defined(cstr.b, cstr.blue, cstr.B) + ] + } + else { + space = 'hsl' + parts = [ + defined(cstr.h, cstr.hue, cstr.H), + defined(cstr.s, cstr.saturation, cstr.S), + defined(cstr.l, cstr.lightness, cstr.L, cstr.b, cstr.brightness) + ] + } + + alpha = defined(cstr.a, cstr.alpha, cstr.opacity, 1) + + if (cstr.opacity != null) alpha /= 100 + } + + //array + else if (Array.isArray(cstr) || global.ArrayBuffer && ArrayBuffer.isView && ArrayBuffer.isView(cstr)) { + parts = [cstr[0], cstr[1], cstr[2]] + space = 'rgb' + alpha = cstr.length === 4 ? cstr[3] : 1 + } + + return { + space: space, + values: parts, + alpha: alpha + } +} }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"color-name":98,"defined":129,"is-plain-obj":286}],101:[function(require,module,exports){ -/** @module color-rgba */ - -'use strict' - -var parse = require('color-parse') -var hsl = require('color-space/hsl') -var clamp = require('clamp') - -module.exports = function rgba (color) { - var values, i, l - - if (typeof color !== 'string') throw Error('Argument should be a string') - - //attempt to parse non-array arguments - var parsed = parse(color) - - if (!parsed.space) return [] - - values = Array(3) - values[0] = clamp(parsed.values[0], 0, 255) - values[1] = clamp(parsed.values[1], 0, 255) - values[2] = clamp(parsed.values[2], 0, 255) - - if (parsed.space[0] === 'h') { - values = hsl.rgb(values) - } - - values.push(clamp(parsed.alpha, 0, 1)) - - return values -} +/** @module color-rgba */ + +'use strict' + +var parse = require('color-parse') +var hsl = require('color-space/hsl') +var clamp = require('clamp') + +module.exports = function rgba (color) { + var values, i, l + + if (typeof color !== 'string') throw Error('Argument should be a string') + + //attempt to parse non-array arguments + var parsed = parse(color) + + if (!parsed.space) return [] + + values = Array(3) + values[0] = clamp(parsed.values[0], 0, 255) + values[1] = clamp(parsed.values[1], 0, 255) + values[2] = clamp(parsed.values[2], 0, 255) + + if (parsed.space[0] === 'h') { + values = hsl.rgb(values) + } + + values.push(clamp(parsed.alpha, 0, 1)) + + return values +} },{"clamp":93,"color-parse":100,"color-space/hsl":102}],102:[function(require,module,exports){ /** @@ -13078,559 +13078,559 @@ function cubicHermite(p0, v0, p1, v1, t, f) { module.exports = cubicHermite module.exports.derivative = dcubicHermite },{}],116:[function(require,module,exports){ -"use strict" - -var createThunk = require("./lib/thunk.js") - -function Procedure() { - this.argTypes = [] - this.shimArgs = [] - this.arrayArgs = [] - this.arrayBlockIndices = [] - this.scalarArgs = [] - this.offsetArgs = [] - this.offsetArgIndex = [] - this.indexArgs = [] - this.shapeArgs = [] - this.funcName = "" - this.pre = null - this.body = null - this.post = null - this.debug = false -} - -function compileCwise(user_args) { - //Create procedure - var proc = new Procedure() - - //Parse blocks - proc.pre = user_args.pre - proc.body = user_args.body - proc.post = user_args.post - - //Parse arguments - var proc_args = user_args.args.slice(0) - proc.argTypes = proc_args - for(var i=0; i0) { - throw new Error("cwise: pre() block may not reference array args") - } - if(i < proc.post.args.length && proc.post.args[i].count>0) { - throw new Error("cwise: post() block may not reference array args") - } - } else if(arg_type === "scalar") { - proc.scalarArgs.push(i) - proc.shimArgs.push("scalar" + i) - } else if(arg_type === "index") { - proc.indexArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { - throw new Error("cwise: pre() block may not reference array index") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array index") - } - if(i < proc.post.args.length && proc.post.args[i].count > 0) { - throw new Error("cwise: post() block may not reference array index") - } - } else if(arg_type === "shape") { - proc.shapeArgs.push(i) - if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { - throw new Error("cwise: pre() block may not write to array shape") - } - if(i < proc.body.args.length && proc.body.args[i].lvalue) { - throw new Error("cwise: body() block may not write to array shape") - } - if(i < proc.post.args.length && proc.post.args[i].lvalue) { - throw new Error("cwise: post() block may not write to array shape") - } - } else if(typeof arg_type === "object" && arg_type.offset) { - proc.argTypes[i] = "offset" - proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) - proc.offsetArgIndex.push(i) - } else { - throw new Error("cwise: Unknown argument type " + proc_args[i]) - } - } - - //Make sure at least one array argument was specified - if(proc.arrayArgs.length <= 0) { - throw new Error("cwise: No array arguments specified") - } - - //Make sure arguments are correct - if(proc.pre.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in pre() block") - } - if(proc.body.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in body() block") - } - if(proc.post.args.length > proc_args.length) { - throw new Error("cwise: Too many arguments in post() block") - } - - //Check debug flag - proc.debug = !!user_args.printCode || !!user_args.debug - - //Retrieve name - proc.funcName = user_args.funcName || "cwise" - - //Read in block size - proc.blockSize = user_args.blockSize || 64 - - return createThunk(proc) -} - -module.exports = compileCwise +"use strict" + +var createThunk = require("./lib/thunk.js") + +function Procedure() { + this.argTypes = [] + this.shimArgs = [] + this.arrayArgs = [] + this.arrayBlockIndices = [] + this.scalarArgs = [] + this.offsetArgs = [] + this.offsetArgIndex = [] + this.indexArgs = [] + this.shapeArgs = [] + this.funcName = "" + this.pre = null + this.body = null + this.post = null + this.debug = false +} + +function compileCwise(user_args) { + //Create procedure + var proc = new Procedure() + + //Parse blocks + proc.pre = user_args.pre + proc.body = user_args.body + proc.post = user_args.post + + //Parse arguments + var proc_args = user_args.args.slice(0) + proc.argTypes = proc_args + for(var i=0; i0) { + throw new Error("cwise: pre() block may not reference array args") + } + if(i < proc.post.args.length && proc.post.args[i].count>0) { + throw new Error("cwise: post() block may not reference array args") + } + } else if(arg_type === "scalar") { + proc.scalarArgs.push(i) + proc.shimArgs.push("scalar" + i) + } else if(arg_type === "index") { + proc.indexArgs.push(i) + if(i < proc.pre.args.length && proc.pre.args[i].count > 0) { + throw new Error("cwise: pre() block may not reference array index") + } + if(i < proc.body.args.length && proc.body.args[i].lvalue) { + throw new Error("cwise: body() block may not write to array index") + } + if(i < proc.post.args.length && proc.post.args[i].count > 0) { + throw new Error("cwise: post() block may not reference array index") + } + } else if(arg_type === "shape") { + proc.shapeArgs.push(i) + if(i < proc.pre.args.length && proc.pre.args[i].lvalue) { + throw new Error("cwise: pre() block may not write to array shape") + } + if(i < proc.body.args.length && proc.body.args[i].lvalue) { + throw new Error("cwise: body() block may not write to array shape") + } + if(i < proc.post.args.length && proc.post.args[i].lvalue) { + throw new Error("cwise: post() block may not write to array shape") + } + } else if(typeof arg_type === "object" && arg_type.offset) { + proc.argTypes[i] = "offset" + proc.offsetArgs.push({ array: arg_type.array, offset:arg_type.offset }) + proc.offsetArgIndex.push(i) + } else { + throw new Error("cwise: Unknown argument type " + proc_args[i]) + } + } + + //Make sure at least one array argument was specified + if(proc.arrayArgs.length <= 0) { + throw new Error("cwise: No array arguments specified") + } + + //Make sure arguments are correct + if(proc.pre.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in pre() block") + } + if(proc.body.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in body() block") + } + if(proc.post.args.length > proc_args.length) { + throw new Error("cwise: Too many arguments in post() block") + } + + //Check debug flag + proc.debug = !!user_args.printCode || !!user_args.debug + + //Retrieve name + proc.funcName = user_args.funcName || "cwise" + + //Read in block size + proc.blockSize = user_args.blockSize || 64 + + return createThunk(proc) +} + +module.exports = compileCwise },{"./lib/thunk.js":118}],117:[function(require,module,exports){ -"use strict" - -var uniq = require("uniq") - -// This function generates very simple loops analogous to how you typically traverse arrays (the outermost loop corresponds to the slowest changing index, the innermost loop to the fastest changing index) -// TODO: If two arrays have the same strides (and offsets) there is potential for decreasing the number of "pointers" and related variables. The drawback is that the type signature would become more specific and that there would thus be less potential for caching, but it might still be worth it, especially when dealing with large numbers of arguments. -function innerFill(order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , has_index = proc.indexArgs.length>0 - , code = [] - , vars = [] - , idx=0, pidx=0, i, j - for(i=0; i=0; --i) { // Start at largest stride and work your way inwards - idx = order[i] - code.push(["for(i",i,"=0;i",i," 0) { - code.push(["index[",pidx,"]-=s",pidx].join("")) - } - code.push(["++index[",idx,"]"].join("")) - } - code.push("}") - } - return code.join("\n") -} - -// Generate "outer" loops that loop over blocks of data, applying "inner" loops to the blocks by manipulating the local variables in such a way that the inner loop only "sees" the current block. -// TODO: If this is used, then the previous declaration (done by generateCwiseOp) of s* is essentially unnecessary. -// I believe the s* are not used elsewhere (in particular, I don't think they're used in the pre/post parts and "shape" is defined independently), so it would be possible to make defining the s* dependent on what loop method is being used. -function outerFill(matched, order, proc, body) { - var dimension = order.length - , nargs = proc.arrayArgs.length - , blockSize = proc.blockSize - , has_index = proc.indexArgs.length > 0 - , code = [] - for(var i=0; i0;){"].join("")) // Iterate back to front - code.push(["if(j",i,"<",blockSize,"){"].join("")) // Either decrease j by blockSize (s = blockSize), or set it to zero (after setting s = j). - code.push(["s",order[i],"=j",i].join("")) - code.push(["j",i,"=0"].join("")) - code.push(["}else{s",order[i],"=",blockSize].join("")) - code.push(["j",i,"-=",blockSize,"}"].join("")) - if(has_index) { - code.push(["index[",order[i],"]=j",i].join("")) - } - } - for(var i=0; i 0) { - allEqual = allEqual && summary[i] === summary[i-1] - } - } - if(allEqual) { - return summary[0] - } - return summary.join("") -} - -//Generates a cwise operator -function generateCWiseOp(proc, typesig) { - - //Compute dimension - // Arrays get put first in typesig, and there are two entries per array (dtype and order), so this gets the number of dimensions in the first array arg. - var dimension = (typesig[1].length - Math.abs(proc.arrayBlockIndices[0]))|0 - var orders = new Array(proc.arrayArgs.length) - var dtypes = new Array(proc.arrayArgs.length) - for(var i=0; i 0) { - vars.push("shape=SS.slice(0)") // Makes the shape over which we iterate available to the user defined functions (so you can use width/height for example) - } - if(proc.indexArgs.length > 0) { - // Prepare an array to keep track of the (logical) indices, initialized to dimension zeroes. - var zeros = new Array(dimension) - for(var i=0; i 3) { - code.push(processBlock(proc.pre, proc, dtypes)) - } - - //Process body - var body = processBlock(proc.body, proc, dtypes) - var matched = countMatches(loopOrders) - if(matched < dimension) { - code.push(outerFill(matched, loopOrders[0], proc, body)) // TODO: Rather than passing loopOrders[0], it might be interesting to look at passing an order that represents the majority of the arguments for example. - } else { - code.push(innerFill(loopOrders[0], proc, body)) - } - - //Inline epilog - if(proc.post.body.length > 3) { - code.push(processBlock(proc.post, proc, dtypes)) - } - - if(proc.debug) { - console.log("-----Generated cwise routine for ", typesig, ":\n" + code.join("\n") + "\n----------") - } - - var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") - var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) - return f() -} -module.exports = generateCWiseOp +"use strict" + +var uniq = require("uniq") + +// This function generates very simple loops analogous to how you typically traverse arrays (the outermost loop corresponds to the slowest changing index, the innermost loop to the fastest changing index) +// TODO: If two arrays have the same strides (and offsets) there is potential for decreasing the number of "pointers" and related variables. The drawback is that the type signature would become more specific and that there would thus be less potential for caching, but it might still be worth it, especially when dealing with large numbers of arguments. +function innerFill(order, proc, body) { + var dimension = order.length + , nargs = proc.arrayArgs.length + , has_index = proc.indexArgs.length>0 + , code = [] + , vars = [] + , idx=0, pidx=0, i, j + for(i=0; i=0; --i) { // Start at largest stride and work your way inwards + idx = order[i] + code.push(["for(i",i,"=0;i",i," 0) { + code.push(["index[",pidx,"]-=s",pidx].join("")) + } + code.push(["++index[",idx,"]"].join("")) + } + code.push("}") + } + return code.join("\n") +} + +// Generate "outer" loops that loop over blocks of data, applying "inner" loops to the blocks by manipulating the local variables in such a way that the inner loop only "sees" the current block. +// TODO: If this is used, then the previous declaration (done by generateCwiseOp) of s* is essentially unnecessary. +// I believe the s* are not used elsewhere (in particular, I don't think they're used in the pre/post parts and "shape" is defined independently), so it would be possible to make defining the s* dependent on what loop method is being used. +function outerFill(matched, order, proc, body) { + var dimension = order.length + , nargs = proc.arrayArgs.length + , blockSize = proc.blockSize + , has_index = proc.indexArgs.length > 0 + , code = [] + for(var i=0; i0;){"].join("")) // Iterate back to front + code.push(["if(j",i,"<",blockSize,"){"].join("")) // Either decrease j by blockSize (s = blockSize), or set it to zero (after setting s = j). + code.push(["s",order[i],"=j",i].join("")) + code.push(["j",i,"=0"].join("")) + code.push(["}else{s",order[i],"=",blockSize].join("")) + code.push(["j",i,"-=",blockSize,"}"].join("")) + if(has_index) { + code.push(["index[",order[i],"]=j",i].join("")) + } + } + for(var i=0; i 0) { + allEqual = allEqual && summary[i] === summary[i-1] + } + } + if(allEqual) { + return summary[0] + } + return summary.join("") +} + +//Generates a cwise operator +function generateCWiseOp(proc, typesig) { + + //Compute dimension + // Arrays get put first in typesig, and there are two entries per array (dtype and order), so this gets the number of dimensions in the first array arg. + var dimension = (typesig[1].length - Math.abs(proc.arrayBlockIndices[0]))|0 + var orders = new Array(proc.arrayArgs.length) + var dtypes = new Array(proc.arrayArgs.length) + for(var i=0; i 0) { + vars.push("shape=SS.slice(0)") // Makes the shape over which we iterate available to the user defined functions (so you can use width/height for example) + } + if(proc.indexArgs.length > 0) { + // Prepare an array to keep track of the (logical) indices, initialized to dimension zeroes. + var zeros = new Array(dimension) + for(var i=0; i 3) { + code.push(processBlock(proc.pre, proc, dtypes)) + } + + //Process body + var body = processBlock(proc.body, proc, dtypes) + var matched = countMatches(loopOrders) + if(matched < dimension) { + code.push(outerFill(matched, loopOrders[0], proc, body)) // TODO: Rather than passing loopOrders[0], it might be interesting to look at passing an order that represents the majority of the arguments for example. + } else { + code.push(innerFill(loopOrders[0], proc, body)) + } + + //Inline epilog + if(proc.post.body.length > 3) { + code.push(processBlock(proc.post, proc, dtypes)) + } + + if(proc.debug) { + console.log("-----Generated cwise routine for ", typesig, ":\n" + code.join("\n") + "\n----------") + } + + var loopName = [(proc.funcName||"unnamed"), "_cwise_loop_", orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("") + var f = new Function(["function ",loopName,"(", arglist.join(","),"){", code.join("\n"),"} return ", loopName].join("")) + return f() +} +module.exports = generateCWiseOp },{"uniq":556}],118:[function(require,module,exports){ -"use strict" - -// The function below is called when constructing a cwise function object, and does the following: -// A function object is constructed which accepts as argument a compilation function and returns another function. -// It is this other function that is eventually returned by createThunk, and this function is the one that actually -// checks whether a certain pattern of arguments has already been used before and compiles new loops as needed. -// The compilation passed to the first function object is used for compiling new functions. -// Once this function object is created, it is called with compile as argument, where the first argument of compile -// is bound to "proc" (essentially containing a preprocessed version of the user arguments to cwise). -// So createThunk roughly works like this: -// function createThunk(proc) { -// var thunk = function(compileBound) { -// var CACHED = {} -// return function(arrays and scalars) { -// if (dtype and order of arrays in CACHED) { -// var func = CACHED[dtype and order of arrays] -// } else { -// var func = CACHED[dtype and order of arrays] = compileBound(dtype and order of arrays) -// } -// return func(arrays and scalars) -// } -// } -// return thunk(compile.bind1(proc)) -// } - -var compile = require("./compile.js") - -function createThunk(proc) { - var code = ["'use strict'", "var CACHED={}"] - var vars = [] - var thunkName = proc.funcName + "_cwise_thunk" - - //Build thunk - code.push(["return function ", thunkName, "(", proc.shimArgs.join(","), "){"].join("")) - var typesig = [] - var string_typesig = [] - var proc_args = [["array",proc.arrayArgs[0],".shape.slice(", // Slice shape so that we only retain the shape over which we iterate (which gets passed to the cwise operator as SS). - Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?(","+proc.arrayBlockIndices[0]+")"):")"].join("")] - var shapeLengthConditions = [], shapeConditions = [] - // Process array arguments - for(var i=0; i0) { // Gather conditions to check for shape equality (ignoring block indices) - shapeLengthConditions.push("array" + proc.arrayArgs[0] + ".shape.length===array" + j + ".shape.length+" + (Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))) - shapeConditions.push("array" + proc.arrayArgs[0] + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[0]) + "]===array" + j + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[i]) + "]") - } - } - // Check for shape equality - if (proc.arrayArgs.length > 1) { - code.push("if (!(" + shapeLengthConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same dimensionality!')") - code.push("for(var shapeIndex=array" + proc.arrayArgs[0] + ".shape.length-" + Math.abs(proc.arrayBlockIndices[0]) + "; shapeIndex-->0;) {") - code.push("if (!(" + shapeConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same shape!')") - code.push("}") - } - // Process scalar arguments - for(var i=0; i0) { // Gather conditions to check for shape equality (ignoring block indices) + shapeLengthConditions.push("array" + proc.arrayArgs[0] + ".shape.length===array" + j + ".shape.length+" + (Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i]))) + shapeConditions.push("array" + proc.arrayArgs[0] + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[0]) + "]===array" + j + ".shape[shapeIndex+" + Math.max(0,proc.arrayBlockIndices[i]) + "]") + } + } + // Check for shape equality + if (proc.arrayArgs.length > 1) { + code.push("if (!(" + shapeLengthConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same dimensionality!')") + code.push("for(var shapeIndex=array" + proc.arrayArgs[0] + ".shape.length-" + Math.abs(proc.arrayBlockIndices[0]) + "; shapeIndex-->0;) {") + code.push("if (!(" + shapeConditions.join(" && ") + ")) throw new Error('cwise: Arrays do not all have the same shape!')") + code.push("}") + } + // Process scalar arguments + for(var i=0; i> (i * 8)) & 0xff - } - - this.pickOffset = pickOffset - - shader.bind() - - var uniforms = shader.uniforms - uniforms.viewTransform = MATRIX - uniforms.pickOffset = PICK_VECTOR - uniforms.shape = this.shape - - var attributes = shader.attributes - this.positionBuffer.bind() - attributes.position.pointer() - - this.weightBuffer.bind() - attributes.weight.pointer(gl.UNSIGNED_BYTE, false) - - this.idBuffer.bind() - attributes.pickId.pointer(gl.UNSIGNED_BYTE, false) - - gl.drawArrays(gl.TRIANGLES, 0, numVertices) - - return pickOffset + this.shape[0] * this.shape[1] - } -})() - -proto.pick = function (x, y, value) { - var pickOffset = this.pickOffset - var pointCount = this.shape[0] * this.shape[1] - if (value < pickOffset || value >= pickOffset + pointCount) { - return null - } - var pointId = value - pickOffset - var xData = this.xData - var yData = this.yData - return { - object: this, - pointId: pointId, - dataCoord: [ - xData[pointId % this.shape[0]], - yData[(pointId / this.shape[0]) | 0]] - } -} - -proto.update = function (options) { - options = options || {} - - var shape = options.shape || [0, 0] - - var x = options.x || iota(shape[0]) - var y = options.y || iota(shape[1]) - var z = options.z || new Float32Array(shape[0] * shape[1]) - - this.xData = x - this.yData = y - - var colorLevels = options.colorLevels || [0] - var colorValues = options.colorValues || [0, 0, 0, 1] - var colorCount = colorLevels.length - - var bounds = this.bounds - var lox = bounds[0] = x[0] - var loy = bounds[1] = y[0] - var hix = bounds[2] = x[x.length - 1] - var hiy = bounds[3] = y[y.length - 1] - - var xs = 1.0 / (hix - lox) - var ys = 1.0 / (hiy - loy) - - var numX = shape[0] - var numY = shape[1] - - this.shape = [numX, numY] - - var numVerts = (numX - 1) * (numY - 1) * (WEIGHTS.length >>> 1) - - this.numVertices = numVerts - - var colors = pool.mallocUint8(numVerts * 4) - var positions = pool.mallocFloat32(numVerts * 2) - var weights = pool.mallocUint8 (numVerts * 2) - var ids = pool.mallocUint32(numVerts) - - var ptr = 0 - - for (var j = 0; j < numY - 1; ++j) { - var yc0 = ys * (y[j] - loy) - var yc1 = ys * (y[j + 1] - loy) - for (var i = 0; i < numX - 1; ++i) { - var xc0 = xs * (x[i] - lox) - var xc1 = xs * (x[i + 1] - lox) - - for (var dd = 0; dd < WEIGHTS.length; dd += 2) { - var dx = WEIGHTS[dd] - var dy = WEIGHTS[dd + 1] - var offset = (j + dy) * numX + (i + dx) - var zc = z[offset] - var colorIdx = bsearch.le(colorLevels, zc) - var r, g, b, a - if (colorIdx < 0) { - r = colorValues[0] - g = colorValues[1] - b = colorValues[2] - a = colorValues[3] - } else if (colorIdx === colorCount - 1) { - r = colorValues[4 * colorCount - 4] - g = colorValues[4 * colorCount - 3] - b = colorValues[4 * colorCount - 2] - a = colorValues[4 * colorCount - 1] - } else { - var t = (zc - colorLevels[colorIdx]) / - (colorLevels[colorIdx + 1] - colorLevels[colorIdx]) - var ti = 1.0 - t - var i0 = 4 * colorIdx - var i1 = 4 * (colorIdx + 1) - r = ti * colorValues[i0] + t * colorValues[i1] - g = ti * colorValues[i0 + 1] + t * colorValues[i1 + 1] - b = ti * colorValues[i0 + 2] + t * colorValues[i1 + 2] - a = ti * colorValues[i0 + 3] + t * colorValues[i1 + 3] - } - - colors[4 * ptr] = 255 * r - colors[4 * ptr + 1] = 255 * g - colors[4 * ptr + 2] = 255 * b - colors[4 * ptr + 3] = 255 * a - - positions[2*ptr] = xc0*.5 + xc1*.5; - positions[2*ptr+1] = yc0*.5 + yc1*.5; - - weights[2*ptr] = dx; - weights[2*ptr+1] = dy; - - ids[ptr] = j * numX + i - - ptr += 1 - } - } - } - - this.positionBuffer.update(positions) - this.weightBuffer.update(weights) - this.colorBuffer.update(colors) - this.idBuffer.update(ids) - - pool.free(positions) - pool.free(colors) - pool.free(weights) - pool.free(ids) -} - -proto.dispose = function () { - this.shader.dispose() - this.pickShader.dispose() - this.positionBuffer.dispose() - this.weightBuffer.dispose() - this.colorBuffer.dispose() - this.idBuffer.dispose() - this.plot.removeObject(this) -} - -function createHeatmap2D (plot, options) { - var gl = plot.gl - - var shader = createShader(gl, shaders.vertex, shaders.fragment) - var pickShader = createShader(gl, shaders.pickVertex, shaders.pickFragment) - - var positionBuffer = createBuffer(gl) - var weightBuffer = createBuffer(gl) - var colorBuffer = createBuffer(gl) - var idBuffer = createBuffer(gl) - - var heatmap = new GLHeatmap2D( - plot, - shader, - pickShader, - positionBuffer, - weightBuffer, - colorBuffer, - idBuffer) - - heatmap.update(options) - plot.addObject(heatmap) - - return heatmap -} +'use strict' + +module.exports = createHeatmap2D + +var bsearch = require('binary-search-bounds') +var iota = require('iota-array') +var pool = require('typedarray-pool') +var createShader = require('gl-shader') +var createBuffer = require('gl-buffer') + +var shaders = require('./lib/shaders') + +function GLHeatmap2D ( + plot, + shader, + pickShader, + positionBuffer, + weightBuffer, + colorBuffer, + idBuffer) { + this.plot = plot + this.shader = shader + this.pickShader = pickShader + this.positionBuffer = positionBuffer + this.weightBuffer = weightBuffer + this.colorBuffer = colorBuffer + this.idBuffer = idBuffer + this.xData = [] + this.yData = [] + this.shape = [0, 0] + this.bounds = [Infinity, Infinity, -Infinity, -Infinity] + this.pickOffset = 0 +} + +var proto = GLHeatmap2D.prototype + +var WEIGHTS = [ + 0, 0, + 1, 0, + 0, 1, + 1, 0, + 1, 1, + 0, 1 +] + +proto.draw = (function () { + var MATRIX = [ + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + ] + + return function () { + var plot = this.plot + var shader = this.shader + var bounds = this.bounds + var numVertices = this.numVertices + + if (numVertices <= 0) { + return + } + + var gl = plot.gl + var dataBox = plot.dataBox + + var boundX = bounds[2] - bounds[0] + var boundY = bounds[3] - bounds[1] + var dataX = dataBox[2] - dataBox[0] + var dataY = dataBox[3] - dataBox[1] + + MATRIX[0] = 2.0 * boundX / dataX + MATRIX[4] = 2.0 * boundY / dataY + MATRIX[6] = 2.0 * (bounds[0] - dataBox[0]) / dataX - 1.0 + MATRIX[7] = 2.0 * (bounds[1] - dataBox[1]) / dataY - 1.0 + + shader.bind() + + var uniforms = shader.uniforms + uniforms.viewTransform = MATRIX + + uniforms.shape = this.shape + + var attributes = shader.attributes + this.positionBuffer.bind() + attributes.position.pointer() + + this.weightBuffer.bind() + attributes.weight.pointer(gl.UNSIGNED_BYTE, false) + + this.colorBuffer.bind() + attributes.color.pointer(gl.UNSIGNED_BYTE, true) + + gl.drawArrays(gl.TRIANGLES, 0, numVertices) + } +})() + +proto.drawPick = (function () { + var MATRIX = [ + 1, 0, 0, + 0, 1, 0, + 0, 0, 1 + ] + + var PICK_VECTOR = [0, 0, 0, 0] + + return function (pickOffset) { + var plot = this.plot + var shader = this.pickShader + var bounds = this.bounds + var numVertices = this.numVertices + + if (numVertices <= 0) { + return + } + + var gl = plot.gl + var dataBox = plot.dataBox + + var boundX = bounds[2] - bounds[0] + var boundY = bounds[3] - bounds[1] + var dataX = dataBox[2] - dataBox[0] + var dataY = dataBox[3] - dataBox[1] + + MATRIX[0] = 2.0 * boundX / dataX + MATRIX[4] = 2.0 * boundY / dataY + MATRIX[6] = 2.0 * (bounds[0] - dataBox[0]) / dataX - 1.0 + MATRIX[7] = 2.0 * (bounds[1] - dataBox[1]) / dataY - 1.0 + + for (var i = 0; i < 4; ++i) { + PICK_VECTOR[i] = (pickOffset >> (i * 8)) & 0xff + } + + this.pickOffset = pickOffset + + shader.bind() + + var uniforms = shader.uniforms + uniforms.viewTransform = MATRIX + uniforms.pickOffset = PICK_VECTOR + uniforms.shape = this.shape + + var attributes = shader.attributes + this.positionBuffer.bind() + attributes.position.pointer() + + this.weightBuffer.bind() + attributes.weight.pointer(gl.UNSIGNED_BYTE, false) + + this.idBuffer.bind() + attributes.pickId.pointer(gl.UNSIGNED_BYTE, false) + + gl.drawArrays(gl.TRIANGLES, 0, numVertices) + + return pickOffset + this.shape[0] * this.shape[1] + } +})() + +proto.pick = function (x, y, value) { + var pickOffset = this.pickOffset + var pointCount = this.shape[0] * this.shape[1] + if (value < pickOffset || value >= pickOffset + pointCount) { + return null + } + var pointId = value - pickOffset + var xData = this.xData + var yData = this.yData + return { + object: this, + pointId: pointId, + dataCoord: [ + xData[pointId % this.shape[0]], + yData[(pointId / this.shape[0]) | 0]] + } +} + +proto.update = function (options) { + options = options || {} + + var shape = options.shape || [0, 0] + + var x = options.x || iota(shape[0]) + var y = options.y || iota(shape[1]) + var z = options.z || new Float32Array(shape[0] * shape[1]) + + this.xData = x + this.yData = y + + var colorLevels = options.colorLevels || [0] + var colorValues = options.colorValues || [0, 0, 0, 1] + var colorCount = colorLevels.length + + var bounds = this.bounds + var lox = bounds[0] = x[0] + var loy = bounds[1] = y[0] + var hix = bounds[2] = x[x.length - 1] + var hiy = bounds[3] = y[y.length - 1] + + var xs = 1.0 / (hix - lox) + var ys = 1.0 / (hiy - loy) + + var numX = shape[0] + var numY = shape[1] + + this.shape = [numX, numY] + + var numVerts = (numX - 1) * (numY - 1) * (WEIGHTS.length >>> 1) + + this.numVertices = numVerts + + var colors = pool.mallocUint8(numVerts * 4) + var positions = pool.mallocFloat32(numVerts * 2) + var weights = pool.mallocUint8 (numVerts * 2) + var ids = pool.mallocUint32(numVerts) + + var ptr = 0 + + for (var j = 0; j < numY - 1; ++j) { + var yc0 = ys * (y[j] - loy) + var yc1 = ys * (y[j + 1] - loy) + for (var i = 0; i < numX - 1; ++i) { + var xc0 = xs * (x[i] - lox) + var xc1 = xs * (x[i + 1] - lox) + + for (var dd = 0; dd < WEIGHTS.length; dd += 2) { + var dx = WEIGHTS[dd] + var dy = WEIGHTS[dd + 1] + var offset = (j + dy) * numX + (i + dx) + var zc = z[offset] + var colorIdx = bsearch.le(colorLevels, zc) + var r, g, b, a + if (colorIdx < 0) { + r = colorValues[0] + g = colorValues[1] + b = colorValues[2] + a = colorValues[3] + } else if (colorIdx === colorCount - 1) { + r = colorValues[4 * colorCount - 4] + g = colorValues[4 * colorCount - 3] + b = colorValues[4 * colorCount - 2] + a = colorValues[4 * colorCount - 1] + } else { + var t = (zc - colorLevels[colorIdx]) / + (colorLevels[colorIdx + 1] - colorLevels[colorIdx]) + var ti = 1.0 - t + var i0 = 4 * colorIdx + var i1 = 4 * (colorIdx + 1) + r = ti * colorValues[i0] + t * colorValues[i1] + g = ti * colorValues[i0 + 1] + t * colorValues[i1 + 1] + b = ti * colorValues[i0 + 2] + t * colorValues[i1 + 2] + a = ti * colorValues[i0 + 3] + t * colorValues[i1 + 3] + } + + colors[4 * ptr] = 255 * r + colors[4 * ptr + 1] = 255 * g + colors[4 * ptr + 2] = 255 * b + colors[4 * ptr + 3] = 255 * a + + positions[2*ptr] = xc0*.5 + xc1*.5; + positions[2*ptr+1] = yc0*.5 + yc1*.5; + + weights[2*ptr] = dx; + weights[2*ptr+1] = dy; + + ids[ptr] = j * numX + i + + ptr += 1 + } + } + } + + this.positionBuffer.update(positions) + this.weightBuffer.update(weights) + this.colorBuffer.update(colors) + this.idBuffer.update(ids) + + pool.free(positions) + pool.free(colors) + pool.free(weights) + pool.free(ids) +} + +proto.dispose = function () { + this.shader.dispose() + this.pickShader.dispose() + this.positionBuffer.dispose() + this.weightBuffer.dispose() + this.colorBuffer.dispose() + this.idBuffer.dispose() + this.plot.removeObject(this) +} + +function createHeatmap2D (plot, options) { + var gl = plot.gl + + var shader = createShader(gl, shaders.vertex, shaders.fragment) + var pickShader = createShader(gl, shaders.pickVertex, shaders.pickFragment) + + var positionBuffer = createBuffer(gl) + var weightBuffer = createBuffer(gl) + var colorBuffer = createBuffer(gl) + var idBuffer = createBuffer(gl) + + var heatmap = new GLHeatmap2D( + plot, + shader, + pickShader, + positionBuffer, + weightBuffer, + colorBuffer, + idBuffer) + + heatmap.update(options) + plot.addObject(heatmap) + + return heatmap +} },{"./lib/shaders":174,"binary-search-bounds":175,"gl-buffer":165,"gl-shader":243,"iota-array":281,"typedarray-pool":554}],174:[function(require,module,exports){ -'use strict' - - - -module.exports = { - fragment: "precision lowp float;\n#define GLSLIFY 1\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = vec4(fragColor.rgb * fragColor.a, fragColor.a);\n}\n", - vertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 color;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n fragColor = color;\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n", - pickFragment: "precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nuniform vec2 shape;\nuniform vec4 pickOffset;\n\nvoid main() {\n vec2 d = step(.5, vWeight);\n vec4 id = fragId + pickOffset;\n id.x += d.x + d.y*shape.x;\n\n id.y += floor(id.x / 256.0);\n id.x -= floor(id.x / 256.0) * 256.0;\n\n id.z += floor(id.y / 256.0);\n id.y -= floor(id.y / 256.0) * 256.0;\n\n id.w += floor(id.z / 256.0);\n id.z -= floor(id.z / 256.0) * 256.0;\n\n gl_FragColor = id/255.;\n}\n", - pickVertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 pickId;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nvoid main() {\n vWeight = weight;\n\n fragId = pickId;\n\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n" -} +'use strict' + + + +module.exports = { + fragment: "precision lowp float;\n#define GLSLIFY 1\nvarying vec4 fragColor;\nvoid main() {\n gl_FragColor = vec4(fragColor.rgb * fragColor.a, fragColor.a);\n}\n", + vertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 color;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n fragColor = color;\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n", + pickFragment: "precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nuniform vec2 shape;\nuniform vec4 pickOffset;\n\nvoid main() {\n vec2 d = step(.5, vWeight);\n vec4 id = fragId + pickOffset;\n id.x += d.x + d.y*shape.x;\n\n id.y += floor(id.x / 256.0);\n id.x -= floor(id.x / 256.0) * 256.0;\n\n id.z += floor(id.y / 256.0);\n id.y -= floor(id.y / 256.0) * 256.0;\n\n id.w += floor(id.z / 256.0);\n id.z -= floor(id.z / 256.0) * 256.0;\n\n gl_FragColor = id/255.;\n}\n", + pickVertex: "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 pickId;\nattribute vec2 weight;\n\nuniform vec2 shape;\nuniform mat3 viewTransform;\n\nvarying vec4 fragId;\nvarying vec2 vWeight;\n\nvoid main() {\n vWeight = weight;\n\n fragId = pickId;\n\n vec3 vPosition = viewTransform * vec3( position + (weight-.5)/(shape-1.) , 1.0);\n gl_Position = vec4(vPosition.xy, 0, vPosition.z);\n}\n" +} },{}],175:[function(require,module,exports){ arguments[4][89][0].apply(exports,arguments) @@ -43497,675 +43497,675 @@ function createSimplicialMesh(gl, params) { module.exports = createSimplicialMesh },{"./lib/closest-point":208,"./lib/shaders":209,"colormap":105,"gl-buffer":165,"gl-mat4/invert":186,"gl-mat4/multiply":188,"gl-shader":243,"gl-texture2d":255,"gl-vao":259,"ndarray":458,"normals":461,"simplicial-complex-contour":524,"typedarray-pool":554}],211:[function(require,module,exports){ -'use strict' - -module.exports = createBoxes - -var createBuffer = require('gl-buffer') -var createShader = require('gl-shader') - -var shaders = require('./shaders') - -function Boxes(plot, vbo, shader) { - this.plot = plot - this.vbo = vbo - this.shader = shader -} - -var proto = Boxes.prototype - -proto.bind = function() { - var shader = this.shader - this.vbo.bind() - this.shader.bind() - shader.attributes.coord.pointer() - shader.uniforms.screenBox = this.plot.screenBox -} - -proto.drawBox = (function() { - var lo = [0,0] - var hi = [0,0] - return function(loX, loY, hiX, hiY, color) { - var plot = this.plot - var shader = this.shader - var gl = plot.gl - - lo[0] = loX - lo[1] = loY - hi[0] = hiX - hi[1] = hiY - - shader.uniforms.lo = lo - shader.uniforms.hi = hi - shader.uniforms.color = color - - gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4) - } -}()) - -proto.dispose = function() { - this.vbo.dispose() - this.shader.dispose() -} - -function createBoxes(plot) { - var gl = plot.gl - var vbo = createBuffer(gl, [ - 0,0, - 0,1, - 1,0, - 1,1]) - var shader = createShader(gl, shaders.boxVert, shaders.lineFrag) - return new Boxes(plot, vbo, shader) -} +'use strict' + +module.exports = createBoxes + +var createBuffer = require('gl-buffer') +var createShader = require('gl-shader') + +var shaders = require('./shaders') + +function Boxes(plot, vbo, shader) { + this.plot = plot + this.vbo = vbo + this.shader = shader +} + +var proto = Boxes.prototype + +proto.bind = function() { + var shader = this.shader + this.vbo.bind() + this.shader.bind() + shader.attributes.coord.pointer() + shader.uniforms.screenBox = this.plot.screenBox +} + +proto.drawBox = (function() { + var lo = [0,0] + var hi = [0,0] + return function(loX, loY, hiX, hiY, color) { + var plot = this.plot + var shader = this.shader + var gl = plot.gl + + lo[0] = loX + lo[1] = loY + hi[0] = hiX + hi[1] = hiY + + shader.uniforms.lo = lo + shader.uniforms.hi = hi + shader.uniforms.color = color + + gl.drawArrays(gl.TRIANGLE_STRIP, 0, 4) + } +}()) + +proto.dispose = function() { + this.vbo.dispose() + this.shader.dispose() +} + +function createBoxes(plot) { + var gl = plot.gl + var vbo = createBuffer(gl, [ + 0,0, + 0,1, + 1,0, + 1,1]) + var shader = createShader(gl, shaders.boxVert, shaders.lineFrag) + return new Boxes(plot, vbo, shader) +} },{"./shaders":214,"gl-buffer":165,"gl-shader":217}],212:[function(require,module,exports){ -'use strict' - -module.exports = createGrid - -var createBuffer = require('gl-buffer') -var createShader = require('gl-shader') -var bsearch = require('binary-search-bounds') -var shaders = require('./shaders') - -function Grid(plot, vbo, shader, tickShader) { - this.plot = plot - this.vbo = vbo - this.shader = shader - this.tickShader = tickShader - this.ticks = [[], []] -} - -function compareTickNum(a, b) { - return a - b -} - -var proto = Grid.prototype - -proto.draw = (function() { - - var DATA_SHIFT = [0,0] - var DATA_SCALE = [0,0] - var DATA_AXIS = [0,0] - - return function() { - var plot = this.plot - var vbo = this.vbo - var shader = this.shader - var ticks = this.ticks - var gl = plot.gl - var bounds = plot._tickBounds - var dataBox = plot.dataBox - var viewPixels = plot.viewBox - var lineWidth = plot.gridLineWidth - var gridColor = plot.gridLineColor - var gridEnable = plot.gridLineEnable - var pixelRatio = plot.pixelRatio - - for(var i=0; i<2; ++i) { - var lo = bounds[i] - var hi = bounds[i+2] - var boundScale = hi - lo - var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) - var dataWidth = dataBox[i+2] - dataBox[i] - DATA_SCALE[i] = 2.0 * boundScale / dataWidth - DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth - } - - shader.bind() - vbo.bind() - shader.attributes.dataCoord.pointer() - shader.uniforms.dataShift = DATA_SHIFT - shader.uniforms.dataScale = DATA_SCALE - - var offset = 0 - for(var i=0; i<2; ++i) { - DATA_AXIS[0] = DATA_AXIS[1] = 0 - DATA_AXIS[i] = 1 - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.lineWidth = lineWidth[i] / (viewPixels[i+2] - viewPixels[i]) * pixelRatio - shader.uniforms.color = gridColor[i] - - var size = ticks[i].length * 6 - if(gridEnable[i] && size) { - gl.drawArrays(gl.TRIANGLES, offset, size) - } - offset += size - } - } -})() - -proto.drawTickMarks = (function() { - var DATA_SHIFT = [0,0] - var DATA_SCALE = [0,0] - var X_AXIS = [1,0] - var Y_AXIS = [0,1] - var SCR_OFFSET = [0,0] - var TICK_SCALE = [0,0] - - return function() { - var plot = this.plot - var vbo = this.vbo - var shader = this.tickShader - var ticks = this.ticks - var gl = plot.gl - var bounds = plot._tickBounds - var dataBox = plot.dataBox - var viewBox = plot.viewBox - var pixelRatio = plot.pixelRatio - var screenBox = plot.screenBox - - var screenWidth = screenBox[2] - screenBox[0] - var screenHeight = screenBox[3] - screenBox[1] - var viewWidth = viewBox[2] - viewBox[0] - var viewHeight = viewBox[3] - viewBox[1] - - for(var i=0; i<2; ++i) { - var lo = bounds[i] - var hi = bounds[i+2] - var boundScale = hi - lo - var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) - var dataWidth = (dataBox[i+2] - dataBox[i]) - DATA_SCALE[i] = 2.0 * boundScale / dataWidth - DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth - } - - DATA_SCALE[0] *= viewWidth / screenWidth - DATA_SHIFT[0] *= viewWidth / screenWidth - - DATA_SCALE[1] *= viewHeight / screenHeight - DATA_SHIFT[1] *= viewHeight / screenHeight - - shader.bind() - vbo.bind() - - shader.attributes.dataCoord.pointer() - - var uniforms = shader.uniforms - uniforms.dataShift = DATA_SHIFT - uniforms.dataScale = DATA_SCALE - - var tickMarkLength = plot.tickMarkLength - var tickMarkWidth = plot.tickMarkWidth - var tickMarkColor = plot.tickMarkColor - - var xTicksOffset = 0 - var yTicksOffset = ticks[0].length * 6 - - var xStart = Math.min(bsearch.ge(ticks[0], (dataBox[0] - bounds[0]) / (bounds[2] - bounds[0]), compareTickNum), ticks[0].length) - var xEnd = Math.min(bsearch.gt(ticks[0], (dataBox[2] - bounds[0]) / (bounds[2] - bounds[0]), compareTickNum), ticks[0].length) - var xOffset = xTicksOffset + 6 * xStart - var xCount = 6 * Math.max(0, xEnd - xStart) - - var yStart = Math.min(bsearch.ge(ticks[1], (dataBox[1] - bounds[1]) / (bounds[3] - bounds[1]), compareTickNum), ticks[1].length) - var yEnd = Math.min(bsearch.gt(ticks[1], (dataBox[3] - bounds[1]) / (bounds[3] - bounds[1]), compareTickNum), ticks[1].length) - var yOffset = yTicksOffset + 6 * yStart - var yCount = 6 * Math.max(0, yEnd - yStart) - - SCR_OFFSET[0] = 2.0 * (viewBox[0] - tickMarkLength[1]) / screenWidth - 1.0 - SCR_OFFSET[1] = (viewBox[3] + viewBox[1]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkLength[1] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkWidth[1] * pixelRatio / screenHeight - - if(yCount) { - uniforms.color = tickMarkColor[1] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = Y_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, yOffset, yCount) - } - - SCR_OFFSET[0] = (viewBox[2] + viewBox[0]) / screenWidth - 1.0 - SCR_OFFSET[1] = 2.0 * (viewBox[1] - tickMarkLength[0]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkWidth[0] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkLength[0] * pixelRatio / screenHeight - - if(xCount) { - uniforms.color = tickMarkColor[0] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = X_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, xOffset, xCount) - } - - SCR_OFFSET[0] = 2.0 * (viewBox[2] + tickMarkLength[3]) / screenWidth - 1.0 - SCR_OFFSET[1] = (viewBox[3] + viewBox[1]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkLength[3] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkWidth[3] * pixelRatio / screenHeight - - if(yCount) { - uniforms.color = tickMarkColor[3] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = Y_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, yOffset, yCount) - } - - SCR_OFFSET[0] = (viewBox[2] + viewBox[0]) / screenWidth - 1.0 - SCR_OFFSET[1] = 2.0 * (viewBox[3] + tickMarkLength[2]) / screenHeight - 1.0 - TICK_SCALE[0] = tickMarkWidth[2] * pixelRatio / screenWidth - TICK_SCALE[1] = tickMarkLength[2] * pixelRatio / screenHeight - - if(xCount) { - uniforms.color = tickMarkColor[2] - uniforms.tickScale = TICK_SCALE - uniforms.dataAxis = X_AXIS - uniforms.screenOffset = SCR_OFFSET - gl.drawArrays(gl.TRIANGLES, xOffset, xCount) - } - } -})() - -proto.update = (function() { - var OFFSET_X = [1, 1, -1, -1, 1, -1] - var OFFSET_Y = [1, -1, 1, 1, -1, -1] - - return function(options) { - var ticks = options.ticks - var bounds = options.bounds - var data = new Float32Array(6 * 3 * (ticks[0].length + ticks[1].length)) - - var zeroLineEnable = this.plot.zeroLineEnable - - var ptr = 0 - var gridTicks = [[], []] - for(var dim=0; dim<2; ++dim) { - var localTicks = gridTicks[dim] - var axisTicks = ticks[dim] - var lo = bounds[dim] - var hi = bounds[dim+2] - for(var i=0; i tickOffset[start]) { - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = textColor[axis] - shader.uniforms.angle = textAngle[axis] - gl.drawArrays( - gl.TRIANGLES, - tickOffset[start], - tickOffset[end] - tickOffset[start]) - } - } - if(labelEnable[axis] && labelCount) { - SCREEN_OFFSET[axis^1] -= screenScale * pixelRatio * labelPad[axis] - shader.uniforms.dataAxis = ZERO_2 - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = labelColor[axis] - shader.uniforms.angle = labelAngle[axis] - gl.drawArrays( - gl.TRIANGLES, - labelOffset, - labelCount) - } - - SCREEN_OFFSET[axis^1] = screenScale * viewBox[2+(axis^1)] - 1.0 - if(tickEnable[axis+2]) { - SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * tickPad[axis+2] - if(start < end && tickOffset[end] > tickOffset[start]) { - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = textColor[axis+2] - shader.uniforms.angle = textAngle[axis+2] - gl.drawArrays( - gl.TRIANGLES, - tickOffset[start], - tickOffset[end] - tickOffset[start]) - } - } - if(labelEnable[axis+2] && labelCount) { - SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * labelPad[axis+2] - shader.uniforms.dataAxis = ZERO_2 - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.color = labelColor[axis+2] - shader.uniforms.angle = labelAngle[axis+2] - gl.drawArrays( - gl.TRIANGLES, - labelOffset, - labelCount) - } - - } -})() - -proto.drawTitle = (function() { - var DATA_AXIS = [0,0] - var SCREEN_OFFSET = [0,0] - - return function() { - var plot = this.plot - var shader = this.shader - var gl = plot.gl - var screenBox = plot.screenBox - var titleCenter = plot.titleCenter - var titleAngle = plot.titleAngle - var titleColor = plot.titleColor - var pixelRatio = plot.pixelRatio - - if(!this.titleCount) { - return - } - - for(var i=0; i<2; ++i) { - SCREEN_OFFSET[i] = 2.0 * (titleCenter[i]*pixelRatio - screenBox[i]) / - (screenBox[2+i] - screenBox[i]) - 1 - } - - shader.bind() - shader.uniforms.dataAxis = DATA_AXIS - shader.uniforms.screenOffset = SCREEN_OFFSET - shader.uniforms.angle = titleAngle - shader.uniforms.color = titleColor - - gl.drawArrays(gl.TRIANGLES, this.titleOffset, this.titleCount) - } -})() - -proto.bind = (function() { - var DATA_SHIFT = [0,0] - var DATA_SCALE = [0,0] - var TEXT_SCALE = [0,0] - - return function() { - var plot = this.plot - var shader = this.shader - var bounds = plot._tickBounds - var dataBox = plot.dataBox - var screenBox = plot.screenBox - var viewBox = plot.viewBox - - shader.bind() - - //Set up coordinate scaling uniforms - for(var i=0; i<2; ++i) { - - var lo = bounds[i] - var hi = bounds[i+2] - var boundScale = hi - lo - var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) - var dataWidth = (dataBox[i+2] - dataBox[i]) - - var viewLo = viewBox[i] - var viewHi = viewBox[i+2] - var viewScale = viewHi - viewLo - var screenLo = screenBox[i] - var screenHi = screenBox[i+2] - var screenScale = screenHi - screenLo - - DATA_SCALE[i] = 2.0 * boundScale / dataWidth * viewScale / screenScale - DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth * viewScale / screenScale - } - - TEXT_SCALE[1] = 2.0 * plot.pixelRatio / (screenBox[3] - screenBox[1]) - TEXT_SCALE[0] = TEXT_SCALE[1] * (screenBox[3] - screenBox[1]) / (screenBox[2] - screenBox[0]) - - shader.uniforms.dataScale = DATA_SCALE - shader.uniforms.dataShift = DATA_SHIFT - shader.uniforms.textScale = TEXT_SCALE - - //Set attributes - this.vbo.bind() - shader.attributes.textCoordinate.pointer() - } -})() - -proto.update = function(options) { - var vertices = [] - var axesTicks = options.ticks - var bounds = options.bounds - var i, j, k, data, scale, dimension - - for(dimension=0; dimension<2; ++dimension) { - var offsets = [Math.floor(vertices.length/3)], tickX = [-Infinity] - - //Copy vertices over to buffer - var ticks = axesTicks[dimension] - for(i=0; i tickOffset[start]) { + shader.uniforms.dataAxis = DATA_AXIS + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = textColor[axis] + shader.uniforms.angle = textAngle[axis] + gl.drawArrays( + gl.TRIANGLES, + tickOffset[start], + tickOffset[end] - tickOffset[start]) + } + } + if(labelEnable[axis] && labelCount) { + SCREEN_OFFSET[axis^1] -= screenScale * pixelRatio * labelPad[axis] + shader.uniforms.dataAxis = ZERO_2 + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = labelColor[axis] + shader.uniforms.angle = labelAngle[axis] + gl.drawArrays( + gl.TRIANGLES, + labelOffset, + labelCount) + } + + SCREEN_OFFSET[axis^1] = screenScale * viewBox[2+(axis^1)] - 1.0 + if(tickEnable[axis+2]) { + SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * tickPad[axis+2] + if(start < end && tickOffset[end] > tickOffset[start]) { + shader.uniforms.dataAxis = DATA_AXIS + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = textColor[axis+2] + shader.uniforms.angle = textAngle[axis+2] + gl.drawArrays( + gl.TRIANGLES, + tickOffset[start], + tickOffset[end] - tickOffset[start]) + } + } + if(labelEnable[axis+2] && labelCount) { + SCREEN_OFFSET[axis^1] += screenScale * pixelRatio * labelPad[axis+2] + shader.uniforms.dataAxis = ZERO_2 + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.color = labelColor[axis+2] + shader.uniforms.angle = labelAngle[axis+2] + gl.drawArrays( + gl.TRIANGLES, + labelOffset, + labelCount) + } + + } +})() + +proto.drawTitle = (function() { + var DATA_AXIS = [0,0] + var SCREEN_OFFSET = [0,0] + + return function() { + var plot = this.plot + var shader = this.shader + var gl = plot.gl + var screenBox = plot.screenBox + var titleCenter = plot.titleCenter + var titleAngle = plot.titleAngle + var titleColor = plot.titleColor + var pixelRatio = plot.pixelRatio + + if(!this.titleCount) { + return + } + + for(var i=0; i<2; ++i) { + SCREEN_OFFSET[i] = 2.0 * (titleCenter[i]*pixelRatio - screenBox[i]) / + (screenBox[2+i] - screenBox[i]) - 1 + } + + shader.bind() + shader.uniforms.dataAxis = DATA_AXIS + shader.uniforms.screenOffset = SCREEN_OFFSET + shader.uniforms.angle = titleAngle + shader.uniforms.color = titleColor + + gl.drawArrays(gl.TRIANGLES, this.titleOffset, this.titleCount) + } +})() + +proto.bind = (function() { + var DATA_SHIFT = [0,0] + var DATA_SCALE = [0,0] + var TEXT_SCALE = [0,0] + + return function() { + var plot = this.plot + var shader = this.shader + var bounds = plot._tickBounds + var dataBox = plot.dataBox + var screenBox = plot.screenBox + var viewBox = plot.viewBox + + shader.bind() + + //Set up coordinate scaling uniforms + for(var i=0; i<2; ++i) { + + var lo = bounds[i] + var hi = bounds[i+2] + var boundScale = hi - lo + var dataCenter = 0.5 * (dataBox[i+2] + dataBox[i]) + var dataWidth = (dataBox[i+2] - dataBox[i]) + + var viewLo = viewBox[i] + var viewHi = viewBox[i+2] + var viewScale = viewHi - viewLo + var screenLo = screenBox[i] + var screenHi = screenBox[i+2] + var screenScale = screenHi - screenLo + + DATA_SCALE[i] = 2.0 * boundScale / dataWidth * viewScale / screenScale + DATA_SHIFT[i] = 2.0 * (lo - dataCenter) / dataWidth * viewScale / screenScale + } + + TEXT_SCALE[1] = 2.0 * plot.pixelRatio / (screenBox[3] - screenBox[1]) + TEXT_SCALE[0] = TEXT_SCALE[1] * (screenBox[3] - screenBox[1]) / (screenBox[2] - screenBox[0]) + + shader.uniforms.dataScale = DATA_SCALE + shader.uniforms.dataShift = DATA_SHIFT + shader.uniforms.textScale = TEXT_SCALE + + //Set attributes + this.vbo.bind() + shader.attributes.textCoordinate.pointer() + } +})() + +proto.update = function(options) { + var vertices = [] + var axesTicks = options.ticks + var bounds = options.bounds + var i, j, k, data, scale, dimension + + for(dimension=0; dimension<2; ++dimension) { + var offsets = [Math.floor(vertices.length/3)], tickX = [-Infinity] + + //Copy vertices over to buffer + var ticks = axesTicks[dimension] + for(i=0; i= 0)) { - continue - } - - var zeroIntercept = screenBox[i] - - dataBox[i] * (screenBox[i+2] - screenBox[i]) / (dataBox[i+2] - dataBox[i]) - - if(i === 0) { - line.drawLine( - zeroIntercept, screenBox[1], zeroIntercept, screenBox[3], - zeroLineWidth[i], - zeroLineColor[i]) - } else { - line.drawLine( - screenBox[0], zeroIntercept, screenBox[2], zeroIntercept, - zeroLineWidth[i], - zeroLineColor[i]) - } - } - } - - //Draw traces - for(var i=0; i=0; --i) { - this.objects[i].dispose() - } - this.objects.length = 0 - for(var i=this.overlays.length-1; i>=0; --i) { - this.overlays[i].dispose() - } - this.overlays.length = 0 - - this.gl = null -} - -proto.addObject = function(object) { - if(this.objects.indexOf(object) < 0) { - this.objects.push(object) - this.setDirty() - } -} - -proto.removeObject = function(object) { - var objects = this.objects - for(var i=0; i 0) { - var base = Math.round(Math.pow(10, y)) - return Math.ceil(x/base) * base - } - return Math.ceil(x) -} - -function defaultBool(x) { - if(typeof x === 'boolean') { - return x - } - return true -} - -function createScene(options) { - options = options || {} - - var stopped = false - - var pixelRatio = options.pixelRatio || parseFloat(window.devicePixelRatio) - - var canvas = options.canvas - if(!canvas) { - canvas = document.createElement('canvas') - if(options.container) { - var container = options.container - container.appendChild(canvas) - } else { - document.body.appendChild(canvas) - } - } - - var gl = options.gl - if(!gl) { - gl = getContext(canvas, - options.glOptions || { - premultipliedAlpha: true, - antialias: true - }) - } - if(!gl) { - throw new Error('webgl not supported') - } - - //Initial bounds - var bounds = options.bounds || [[-10,-10,-10], [10,10,10]] - - //Create selection - var selection = new MouseSelect() - - //Accumulation buffer - var accumBuffer = createFBO(gl, - [gl.drawingBufferWidth, gl.drawingBufferHeight], { - preferFloat: !isMobile - }) - - var accumShader = createShader(gl) - - //Create a camera - var cameraOptions = options.camera || { - eye: [2,0,0], - center: [0,0,0], - up: [0,1,0], - zoomMin: 0.1, - zoomMax: 100, - mode: 'turntable' - } - - //Create axes - var axesOptions = options.axes || {} - var axes = createAxes(gl, axesOptions) - axes.enable = !axesOptions.disable - - //Create spikes - var spikeOptions = options.spikes || {} - var spikes = createSpikes(gl, spikeOptions) - - //Object list is empty initially - var objects = [] - var pickBufferIds = [] - var pickBufferCount = [] - var pickBuffers = [] - - //Dirty flag, skip redraw if scene static - var dirty = true - var pickDirty = true - - var projection = new Array(16) - var model = new Array(16) - - var cameraParams = { - view: null, - projection: projection, - model: model - } - - var pickDirty = true - - var viewShape = [ gl.drawingBufferWidth, gl.drawingBufferHeight ] - - //Create scene object - var scene = { - gl: gl, - contextLost: false, - pixelRatio: options.pixelRatio || parseFloat(window.devicePixelRatio), - canvas: canvas, - selection: selection, - camera: createCamera(canvas, cameraOptions), - axes: axes, - axesPixels: null, - spikes: spikes, - bounds: bounds, - objects: objects, - shape: viewShape, - aspect: options.aspectRatio || [1,1,1], - pickRadius: options.pickRadius || 10, - zNear: options.zNear || 0.01, - zFar: options.zFar || 1000, - fovy: options.fovy || Math.PI/4, - clearColor: options.clearColor || [0,0,0,0], - autoResize: defaultBool(options.autoResize), - autoBounds: defaultBool(options.autoBounds), - autoScale: !!options.autoScale, - autoCenter: defaultBool(options.autoCenter), - clipToBounds: defaultBool(options.clipToBounds), - snapToData: !!options.snapToData, - onselect: options.onselect || null, - onrender: options.onrender || null, - onclick: options.onclick || null, - cameraParams: cameraParams, - oncontextloss: null, - mouseListener: null - } - - var pickShape = [ (gl.drawingBufferWidth/scene.pixelRatio)|0, (gl.drawingBufferHeight/scene.pixelRatio)|0 ] - - function resizeListener() { - if(stopped) { - return - } - if(!scene.autoResize) { - return - } - var parent = canvas.parentNode - var width = 1 - var height = 1 - if(parent && parent !== document.body) { - width = parent.clientWidth - height = parent.clientHeight - } else { - width = window.innerWidth - height = window.innerHeight - } - var nextWidth = Math.ceil(width * scene.pixelRatio)|0 - var nextHeight = Math.ceil(height * scene.pixelRatio)|0 - if(nextWidth !== canvas.width || nextHeight !== canvas.height) { - canvas.width = nextWidth - canvas.height = nextHeight - var style = canvas.style - style.position = style.position || 'absolute' - style.left = '0px' - style.top = '0px' - style.width = width + 'px' - style.height = height + 'px' - dirty = true - } - } - if(scene.autoResize) { - resizeListener() - } - window.addEventListener('resize', resizeListener) - - function reallocPickIds() { - var numObjs = objects.length - var numPick = pickBuffers.length - for(var i=0; i 0 && pickBufferCount[numPick-1] === 0) { - pickBufferCount.pop() - pickBuffers.pop().dispose() - } - } - - scene.update = function(options) { - if(stopped) { - return - } - options = options || {} - dirty = true - pickDirty = true - } - - scene.add = function(obj) { - if(stopped) { - return - } - obj.axes = axes - objects.push(obj) - pickBufferIds.push(-1) - dirty = true - pickDirty = true - reallocPickIds() - } - - scene.remove = function(obj) { - if(stopped) { - return - } - var idx = objects.indexOf(obj) - if(idx < 0) { - return - } - objects.splice(idx, 1) - pickBufferIds.pop() - dirty = true - pickDirty = true - reallocPickIds() - } - - scene.dispose = function() { - if(stopped) { - return - } - - stopped = true - - window.removeEventListener('resize', resizeListener) - canvas.removeEventListener('webglcontextlost', checkContextLoss) - scene.mouseListener.enabled = false - - if(scene.contextLost) { - return - } - - //Destroy objects - axes.dispose() - spikes.dispose() - for(var i=0; i selection.distance) { - continue - } - for(var j=0; j>> 1 - var dataStraightThrough = options.positions instanceof Float32Array - var idStraightThrough = options.idToIndex instanceof Int32Array && options.idToIndex.length >= pointCount // permit larger to help reuse + //Turn on scissor + gl.enable(gl.SCISSOR_TEST) - var data = options.positions - var packed = dataStraightThrough ? data : pool.mallocFloat32(data.length) - var packedId = idStraightThrough ? options.idToIndex : pool.mallocInt32(pointCount) + //Turn off depth buffer + gl.disable(gl.DEPTH_TEST) + gl.depthFunc(gl.LESS) + gl.depthMask(false) - if(!dataStraightThrough) { - packed.set(data) - } + //Configure premultiplied alpha blending + gl.enable(gl.BLEND) + gl.blendEquation(gl.FUNC_ADD, gl.FUNC_ADD); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); - if(!idStraightThrough) { - packed.set(data) - for(i = 0; i < pointCount; i++) { - packedId[i] = i + //Draw border + if (this.borderColor) { + gl.scissor( + screenBox[0], + screenBox[1], + screenBox[2]-screenBox[0], + screenBox[3]-screenBox[1]) + var borderColor = this.borderColor + gl.clearColor( + borderColor[0]*borderColor[3], + borderColor[1]*borderColor[3], + borderColor[2]*borderColor[3], + borderColor[3]) + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) + } + + //Draw center pane + gl.scissor( + viewPixels[0], + viewPixels[1], + viewPixels[2]-viewPixels[0], + viewPixels[3]-viewPixels[1]) + gl.viewport( + viewPixels[0], + viewPixels[1], + viewPixels[2]-viewPixels[0], + viewPixels[3]-viewPixels[1]) + var backgroundColor = this.backgroundColor + gl.clearColor( + backgroundColor[0]*backgroundColor[3], + backgroundColor[1]*backgroundColor[3], + backgroundColor[2]*backgroundColor[3], + backgroundColor[3]) + gl.clear(gl.COLOR_BUFFER_BIT) + + //Draw grid + grid.draw() + + //Draw zero lines separately + var zeroLineEnable = this.zeroLineEnable + var zeroLineColor = this.zeroLineColor + var zeroLineWidth = this.zeroLineWidth + if(zeroLineEnable[0] || zeroLineEnable[1]) { + line.bind() + for(var i=0; i<2; ++i) { + if(!zeroLineEnable[i] || + !(dataBox[i] <= 0 && dataBox[i+2] >= 0)) { + continue + } + + var zeroIntercept = screenBox[i] - + dataBox[i] * (screenBox[i+2] - screenBox[i]) / (dataBox[i+2] - dataBox[i]) + + if(i === 0) { + line.drawLine( + zeroIntercept, screenBox[1], zeroIntercept, screenBox[3], + zeroLineWidth[i], + zeroLineColor[i]) + } else { + line.drawLine( + screenBox[0], zeroIntercept, screenBox[2], zeroIntercept, + zeroLineWidth[i], + zeroLineColor[i]) + } } } - this.points = data + //Draw traces + for(var i=0; i>> 1 - var i - for(i = 0; i < length; i++) { - var x = points[i * 2] - var y = points[i * 2 + 1] - if(x >= dataBox[0] && x <= dataBox[2] && y >= dataBox[1] && y <= dataBox[3]) - visiblePointCountEstimate++ - } - return visiblePointCountEstimate -} +proto.drawPick = (function() { -proto.unifiedDraw = (function() { - var MATRIX = [1, 0, 0, - 0, 1, 0, - 0, 0, 1] - var PICK_VEC4 = [0, 0, 0, 0] -return function(pickOffset) { +return function() { + if (this.static) return; - var pick = pickOffset !== void(0) + var pickBuffer = this.pickBuffer + var gl = this.gl - var shader = pick ? this.pickShader : this.shader - var gl = this.plot.gl - var dataBox = this.plot.dataBox + this._pickTimeout = null + pickBuffer.begin() - if(this.pointCount === 0) { - return pickOffset + var pickOffset = 1 + var objects = this.objects + for(var i=0; i> 8) & 0xff) - PICK_VEC4[2] = ((pickOffset >> 16) & 0xff) - PICK_VEC4[3] = ((pickOffset >> 24) & 0xff) + var pickValue = pickResult.id + + (pickResult.value[0]<<8) + + (pickResult.value[1]<<16) + + (pickResult.value[2]<<24) - this.pickBuffer.bind() - shader.attributes.pickId.pointer(gl.UNSIGNED_BYTE) - shader.uniforms.pickOffset = PICK_VEC4 - this.pickOffset = pickOffset + var objects = this.objects + for(var i=0; i= pickOffset + pointCount) { - return null - } - var pointId = value - pickOffset - var points = this.points - return { - object: this, - pointId: pointId, - dataCoord: [points[2 * pointId], points[2 * pointId + 1] ] + var different = + dataBox[0] !== nbox[0] || + dataBox[1] !== nbox[1] || + dataBox[2] !== nbox[2] || + dataBox[3] !== nbox[3] + + if(different) { + dataBox[0] = nbox[0] + dataBox[1] = nbox[1] + dataBox[2] = nbox[2] + dataBox[3] = nbox[3] + + this.setDirty() } } -function createPointcloud2D(plot, options) { - var gl = plot.gl - var buffer = createBuffer(gl) - var pickBuffer = createBuffer(gl) - var shader = createShader(gl, SHADERS.pointVertex, SHADERS.pointFragment) - var pickShader = createShader(gl, SHADERS.pickVertex, SHADERS.pickFragment) +proto.setViewBox = function(nbox) { + var pixelRatio = this.pixelRatio + var viewBox = this.viewBox - var result = new Pointcloud2D(plot, buffer, pickBuffer, shader, pickShader) - result.update(options) + viewBox[0] = Math.round(nbox[0] * pixelRatio)|0 + viewBox[1] = Math.round(nbox[1] * pixelRatio)|0 + viewBox[2] = Math.round(nbox[2] * pixelRatio)|0 + viewBox[3] = Math.round(nbox[3] * pixelRatio)|0 - //Register with plot - plot.addObject(result) + var pickPixelRatio = this.pickPixelRatio + this.pickBuffer.shape = [ + Math.round((nbox[2] - nbox[0]) * pickPixelRatio)|0, + Math.round((nbox[3] - nbox[1]) * pickPixelRatio)|0 ] - return result + this.setDirty() } -},{"./lib/shader":227,"gl-buffer":165,"gl-shader":228,"typedarray-pool":554}],236:[function(require,module,exports){ -module.exports = slerp +proto.update = function(options) { + options = options || {} -/** - * Performs a spherical linear interpolation between two quat - * - * @param {quat} out the receiving quaternion - * @param {quat} a the first operand - * @param {quat} b the second operand - * @param {Number} t interpolation amount between the two inputs - * @returns {quat} out - */ -function slerp (out, a, b, t) { - // benchmarks: - // http://jsperf.com/quaternion-slerp-implementations + var gl = this.gl - var ax = a[0], ay = a[1], az = a[2], aw = a[3], - bx = b[0], by = b[1], bz = b[2], bw = b[3] + this.pixelRatio = options.pixelRatio || 1 + + var pixelRatio = this.pixelRatio + this.pickPixelRatio = Math.max(pixelRatio, 1) + + this.setScreenBox(options.screenBox || + [0, 0, gl.drawingBufferWidth/pixelRatio, gl.drawingBufferHeight/pixelRatio]) + + var screenBox = this.screenBox + this.setViewBox(options.viewBox || + [0.125*(this.screenBox[2]-this.screenBox[0])/pixelRatio, + 0.125*(this.screenBox[3]-this.screenBox[1])/pixelRatio, + 0.875*(this.screenBox[2]-this.screenBox[0])/pixelRatio, + 0.875*(this.screenBox[3]-this.screenBox[1])/pixelRatio]) + + var viewBox = this.viewBox + var aspectRatio = (viewBox[2] - viewBox[0]) / (viewBox[3] - viewBox[1]) + this.setDataBox(options.dataBox || [-10, -10/aspectRatio, 10, 10/aspectRatio]) + + this.borderColor = options.borderColor !== false ? (options.borderColor || [0,0,0,0]).slice() : false + this.backgroundColor = (options.backgroundColor || [0,0,0,0]).slice() + + this.gridLineEnable = (options.gridLineEnable || [true,true]).slice() + this.gridLineWidth = (options.gridLineWidth || [1,1]).slice() + this.gridLineColor = deepClone(options.gridLineColor || + [[0.5,0.5,0.5,1],[0.5,0.5,0.5,1]]) + + this.zeroLineEnable = (options.zeroLineEnable || [true, true]).slice() + this.zeroLineWidth = (options.zeroLineWidth || [4, 4]).slice() + this.zeroLineColor = deepClone(options.zeroLineColor || + [[0, 0, 0, 1],[0, 0, 0, 1]]) + + this.tickMarkLength = (options.tickMarkLength || [0,0,0,0]).slice() + this.tickMarkWidth = (options.tickMarkWidth || [0,0,0,0]).slice() + this.tickMarkColor = deepClone(options.tickMarkColor || + [[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]) + + this.titleCenter = (options.titleCenter || [ + 0.5*(viewBox[0]+viewBox[2])/pixelRatio,(viewBox[3]+120)/pixelRatio]).slice() + this.titleEnable = !('titleEnable' in options) || !!options.titleEnable + this.titleAngle = options.titleAngle || 0 + this.titleColor = (options.titleColor || [0,0,0,1]).slice() + + this.labelPad = (options.labelPad || [15,15,15,15]).slice() + this.labelAngle = (options.labelAngle || + [0,Math.PI/2,0,3.0*Math.PI/2]).slice() + this.labelEnable = (options.labelEnable || [true,true,true,true]).slice() + this.labelColor = deepClone(options.labelColor || + [[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]) + + this.tickPad = (options.tickPad || [15,15,15,15]).slice() + this.tickAngle = (options.tickAngle || [0,0,0,0]).slice() + this.tickEnable = (options.tickEnable || [true,true,true,true]).slice() + this.tickColor = deepClone(options.tickColor || + [[0,0,0,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]) + + this.borderLineEnable = (options.borderLineEnable || + [true,true,true,true]).slice() + this.borderLineWidth = (options.borderLineWidth || [2,2,2,2]).slice() + this.borderLineColor = deepClone(options.borderLineColor || + [[0,0,0,1], + [0,0,0,1], + [0,0,0,1], + [0,0,0,1]]) + + var ticks = options.ticks || [ [], [] ] + + //Compute bounds on ticks + var bounds = this._tickBounds + bounds[0] = bounds[1] = Infinity + bounds[2] = bounds[3] = -Infinity + for(var i=0; i<2; ++i) { + var axisTicks = ticks[i].slice(0) + if(axisTicks.length === 0) { + continue + } + axisTicks.sort(compareTicks) + bounds[i] = Math.min(bounds[i], axisTicks[0].x) + bounds[i+2] = Math.max(bounds[i+2], axisTicks[axisTicks.length-1].x) + } - var omega, cosom, sinom, scale0, scale1 + //Update grid + this.grid.update({ + bounds: bounds, + ticks: ticks + }) - // calc cosine - cosom = ax * bx + ay * by + az * bz + aw * bw - // adjust signs (if necessary) - if (cosom < 0.0) { - cosom = -cosom - bx = -bx - by = -by - bz = -bz - bw = -bw - } - // calculate coefficients - if ((1.0 - cosom) > 0.000001) { - // standard case (slerp) - omega = Math.acos(cosom) - sinom = Math.sin(omega) - scale0 = Math.sin((1.0 - t) * omega) / sinom - scale1 = Math.sin(t * omega) / sinom - } else { - // "from" and "to" quaternions are very close - // ... so we can do a linear interpolation - scale0 = 1.0 - t - scale1 = t - } - // calculate final values - out[0] = scale0 * ax + scale1 * bx - out[1] = scale0 * ay + scale1 * by - out[2] = scale0 * az + scale1 * bz - out[3] = scale0 * aw + scale1 * bw + //Update text + this.text.update({ + bounds: bounds, + ticks: ticks, + labels: options.labels || ['x', 'y'], + labelSize: options.labelSize || [12,12], + labelFont: options.labelFont || ['sans-serif', 'sans-serif'], + title: options.title || '', + titleSize: options.titleSize || 18, + titleFont: options.titleFont || 'sans-serif' + }) - return out + this.static = !!options.static; + + this.setDirty() } -},{}],237:[function(require,module,exports){ -"use strict" +proto.dispose = function() { + this.box.dispose() + this.grid.dispose() + this.text.dispose() + this.line.dispose() + for(var i=this.objects.length-1; i>=0; --i) { + this.objects[i].dispose() + } + this.objects.length = 0 + for(var i=this.overlays.length-1; i>=0; --i) { + this.overlays[i].dispose() + } + this.overlays.length = 0 -var vectorizeText = require("vectorize-text") + this.gl = null +} -module.exports = getGlyph +proto.addObject = function(object) { + if(this.objects.indexOf(object) < 0) { + this.objects.push(object) + this.setDirty() + } +} -var GLYPH_CACHE = {} +proto.removeObject = function(object) { + var objects = this.objects + for(var i=0; i 0) { + var base = Math.round(Math.pow(10, y)) + return Math.ceil(x/base) * base + } + return Math.ceil(x) } -exports.createPickProject = function(gl) { - return createShader(gl, pickProject) + +function defaultBool(x) { + if(typeof x === 'boolean') { + return x + } + return true } -},{"gl-shader":243}],239:[function(require,module,exports){ -'use strict' +function createScene(options) { + options = options || {} -var createBuffer = require('gl-buffer') -var createVAO = require('gl-vao') -var pool = require('typedarray-pool') -var mat4mult = require('gl-mat4/multiply') -var shaders = require('./lib/shaders') -var getGlyph = require('./lib/glyphs') + var stopped = false -var IDENTITY = [1,0,0,0, - 0,1,0,0, - 0,0,1,0, - 0,0,0,1] + var pixelRatio = options.pixelRatio || parseFloat(window.devicePixelRatio) -module.exports = createPointCloud + var canvas = options.canvas + if(!canvas) { + canvas = document.createElement('canvas') + if(options.container) { + var container = options.container + container.appendChild(canvas) + } else { + document.body.appendChild(canvas) + } + } -function transformMat4(x, m) { - var x0 = x[0] - var x1 = x[1] - var x2 = x[2] - var x3 = x[3] - x[0] = m[0] * x0 + m[4] * x1 + m[8] * x2 + m[12] * x3 - x[1] = m[1] * x0 + m[5] * x1 + m[9] * x2 + m[13] * x3 - x[2] = m[2] * x0 + m[6] * x1 + m[10] * x2 + m[14] * x3 - x[3] = m[3] * x0 + m[7] * x1 + m[11] * x2 + m[15] * x3 - return x -} + var gl = options.gl + if(!gl) { + gl = getContext(canvas, + options.glOptions || { + premultipliedAlpha: true, + antialias: true + }) + } + if(!gl) { + throw new Error('webgl not supported') + } -function project(p, v, m, x) { - transformMat4(x, x, m) - transformMat4(x, x, v) - return transformMat4(x, x, p) -} + //Initial bounds + var bounds = options.bounds || [[-10,-10,-10], [10,10,10]] -function clampVec(v) { - var result = new Array(3) - for(var i=0; i<3; ++i) { - result[i] = Math.min(Math.max(v[i], -1e8), 1e8) + //Create selection + var selection = new MouseSelect() + + //Accumulation buffer + var accumBuffer = createFBO(gl, + [gl.drawingBufferWidth, gl.drawingBufferHeight], { + preferFloat: !isMobile + }) + + var accumShader = createShader(gl) + + //Create a camera + var cameraOptions = options.camera || { + eye: [2,0,0], + center: [0,0,0], + up: [0,1,0], + zoomMin: 0.1, + zoomMax: 100, + mode: 'turntable' + } + + //Create axes + var axesOptions = options.axes || {} + var axes = createAxes(gl, axesOptions) + axes.enable = !axesOptions.disable + + //Create spikes + var spikeOptions = options.spikes || {} + var spikes = createSpikes(gl, spikeOptions) + + //Object list is empty initially + var objects = [] + var pickBufferIds = [] + var pickBufferCount = [] + var pickBuffers = [] + + //Dirty flag, skip redraw if scene static + var dirty = true + var pickDirty = true + + var projection = new Array(16) + var model = new Array(16) + + var cameraParams = { + view: null, + projection: projection, + model: model + } + + var pickDirty = true + + var viewShape = [ gl.drawingBufferWidth, gl.drawingBufferHeight ] + + //Create scene object + var scene = { + gl: gl, + contextLost: false, + pixelRatio: options.pixelRatio || parseFloat(window.devicePixelRatio), + canvas: canvas, + selection: selection, + camera: createCamera(canvas, cameraOptions), + axes: axes, + axesPixels: null, + spikes: spikes, + bounds: bounds, + objects: objects, + shape: viewShape, + aspect: options.aspectRatio || [1,1,1], + pickRadius: options.pickRadius || 10, + zNear: options.zNear || 0.01, + zFar: options.zFar || 1000, + fovy: options.fovy || Math.PI/4, + clearColor: options.clearColor || [0,0,0,0], + autoResize: defaultBool(options.autoResize), + autoBounds: defaultBool(options.autoBounds), + autoScale: !!options.autoScale, + autoCenter: defaultBool(options.autoCenter), + clipToBounds: defaultBool(options.clipToBounds), + snapToData: !!options.snapToData, + onselect: options.onselect || null, + onrender: options.onrender || null, + onclick: options.onclick || null, + cameraParams: cameraParams, + oncontextloss: null, + mouseListener: null + } + + var pickShape = [ (gl.drawingBufferWidth/scene.pixelRatio)|0, (gl.drawingBufferHeight/scene.pixelRatio)|0 ] + + function resizeListener() { + if(stopped) { + return + } + if(!scene.autoResize) { + return + } + var parent = canvas.parentNode + var width = 1 + var height = 1 + if(parent && parent !== document.body) { + width = parent.clientWidth + height = parent.clientHeight + } else { + width = window.innerWidth + height = window.innerHeight + } + var nextWidth = Math.ceil(width * scene.pixelRatio)|0 + var nextHeight = Math.ceil(height * scene.pixelRatio)|0 + if(nextWidth !== canvas.width || nextHeight !== canvas.height) { + canvas.width = nextWidth + canvas.height = nextHeight + var style = canvas.style + style.position = style.position || 'absolute' + style.left = '0px' + style.top = '0px' + style.width = width + 'px' + style.height = height + 'px' + dirty = true + } + } + if(scene.autoResize) { + resizeListener() + } + window.addEventListener('resize', resizeListener) + + function reallocPickIds() { + var numObjs = objects.length + var numPick = pickBuffers.length + for(var i=0; i 0 && pickBufferCount[numPick-1] === 0) { + pickBufferCount.pop() + pickBuffers.pop().dispose() + } } - return result -} -function ScatterPlotPickResult(index, position) { - this.index = index - this.dataCoordinate = this.position = position -} + scene.update = function(options) { + if(stopped) { + return + } + options = options || {} + dirty = true + pickDirty = true + } -function PointCloud( - gl, - shader, - orthoShader, - projectShader, - pointBuffer, - colorBuffer, - glyphBuffer, - idBuffer, - vao, - pickPerspectiveShader, - pickOrthoShader, - pickProjectShader) { + scene.add = function(obj) { + if(stopped) { + return + } + obj.axes = axes + objects.push(obj) + pickBufferIds.push(-1) + dirty = true + pickDirty = true + reallocPickIds() + } - this.gl = gl + scene.remove = function(obj) { + if(stopped) { + return + } + var idx = objects.indexOf(obj) + if(idx < 0) { + return + } + objects.splice(idx, 1) + pickBufferIds.pop() + dirty = true + pickDirty = true + reallocPickIds() + } - this.pixelRatio = 1 + scene.dispose = function() { + if(stopped) { + return + } - this.shader = shader - this.orthoShader = orthoShader - this.projectShader = projectShader + stopped = true - this.pointBuffer = pointBuffer - this.colorBuffer = colorBuffer - this.glyphBuffer = glyphBuffer - this.idBuffer = idBuffer - this.vao = vao - this.vertexCount = 0 - this.lineVertexCount = 0 + window.removeEventListener('resize', resizeListener) + canvas.removeEventListener('webglcontextlost', checkContextLoss) + scene.mouseListener.enabled = false - this.opacity = 1.0 + if(scene.contextLost) { + return + } - this.lineWidth = 0 - this.projectScale = [2.0/3.0, 2.0/3.0, 2.0/3.0] - this.projectOpacity = [1,1,1] + //Destroy objects + axes.dispose() + spikes.dispose() + for(var i=0; i selection.distance) { + continue + } + for(var j=0; j= 1) { - return true - } - for(var i=0; i<3; ++i) { - if(this.axesProject[i] && this.projectOpacity[i] >= 1) { - return true + if(prevObj && prevObj !== selection.object) { + if(prevObj.highlight) { + prevObj.highlight(null) + } + dirty = true + } + if(selection.object) { + if(selection.object.highlight) { + selection.object.highlight(selection.data) + } + dirty = true } - } - return false -} - -var VIEW_SHAPE = [0,0] -var U_VEC = [0,0,0] -var V_VEC = [0,0,0] -var MU_VEC = [0,0,0,1] -var MV_VEC = [0,0,0,1] -var SCRATCH_MATRIX = IDENTITY.slice() -var SCRATCH_VEC = [0,0,0] -var CLIP_BOUNDS = [[0,0,0], [0,0,0]] - -function zeroVec(a) { - a[0] = a[1] = a[2] = 0 - return a -} -function augment(hg, af) { - hg[0] = af[0] - hg[1] = af[1] - hg[2] = af[2] - hg[3] = 1 - return hg -} + change = change || (selection.object !== prevObj) + if(change && scene.onselect) { + scene.onselect(selection) + } -function setComponent(out, v, i, x) { - out[0] = v[0] - out[1] = v[1] - out[2] = v[2] - out[i] = x - return out -} + if((buttons & 1) && !(prevButtons & 1) && scene.onclick) { + scene.onclick(selection) + } + prevButtons = buttons + }) -function getClipBounds(bounds) { - var result = CLIP_BOUNDS - for(var i=0; i<2; ++i) { - for(var j=0; j<3; ++j) { - result[i][j] = Math.max(Math.min(bounds[i][j], 1e8), -1e8) + function checkContextLoss() { + if(scene.contextLost) { + return true + } + if(gl.isContextLost()) { + scene.contextLost = true + scene.mouseListener.enabled = false + scene.selection.object = null + if(scene.oncontextloss) { + scene.oncontextloss() + } } } - return result -} -function drawProject(shader, points, camera, transparent, forceDraw) { - var axesProject = points.axesProject + canvas.addEventListener('webglcontextlost', checkContextLoss) - var gl = points.gl - var uniforms = shader.uniforms - var model = camera.model || IDENTITY - var view = camera.view || IDENTITY - var projection = camera.projection || IDENTITY - var bounds = points.axesBounds - var clipBounds = getClipBounds(points.clipBounds) + //Render the scene for mouse picking + function renderPick() { + if(checkContextLoss()) { + return + } - var cubeAxis - if(points.axes) { - cubeAxis = points.axes.lastCubeProps.axis - } else { - cubeAxis = [1,1,1] + gl.colorMask(true, true, true, true) + gl.depthMask(true) + gl.disable(gl.BLEND) + gl.enable(gl.DEPTH_TEST) + + var numObjs = objects.length + var numPick = pickBuffers.length + for(var j=0; j Math.abs(mdv[1])) { - var tmp = mdu - mdu = mdv - mdv = tmp - tmp = du - du = dv - dv = tmp - var t = u - u = v - v = t + //Compute camera parameters + perspective(projection, + scene.fovy, + width/height, + scene.zNear, + scene.zFar) + + //Compute model matrix + for(var i=0; i<16; ++i) { + model[i] = 0 } - if(mdu[0] < 0) { - du[u] = -1 + model[15] = 1 + + var maxS = 0 + for(var i=0; i<3; ++i) { + maxS = Math.max(maxS, bounds[1][i] - bounds[0][i]) } - if(mdv[1] > 0) { - dv[v] = -1 + + for(var i=0; i<3; ++i) { + if(scene.autoScale) { + model[5*i] = scene.aspect[i] / (bounds[1][i] - bounds[0][i]) + } else { + model[5*i] = 1 / maxS + } + if(scene.autoCenter) { + model[12+i] = -model[5*i] * 0.5 * (bounds[0][i] + bounds[1][i]) + } } - var su = 0.0 - var sv = 0.0 - for(var j=0; j<4; ++j) { - su += Math.pow(model[4*u+j], 2) - sv += Math.pow(model[4*v+j], 2) + + //Apply axes/clip bounds + for(var i=0; i 0) { - gl.lineWidth(points.lineWidth) - points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + //Call render callback + if(scene.onrender) { + scene.onrender() } - } -} + //Read value + gl.bindFramebuffer(gl.FRAMEBUFFER, null) + gl.viewport(0, 0, width, height) + + //General strategy: 3 steps + // 1. render non-transparent objects + // 2. accumulate transparent objects into separate fbo + // 3. composite final scene + + //Clear FBO + var clearColor = scene.clearColor + gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]) + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) + gl.depthMask(true) + gl.colorMask(true, true, true, true) + gl.enable(gl.DEPTH_TEST) + gl.depthFunc(gl.LEQUAL) + gl.disable(gl.BLEND) + gl.disable(gl.CULL_FACE) //most visualization surfaces are 2 sided -var NEG_INFINITY3 = [-1e8, -1e8, -1e8] -var POS_INFINITY3 = [1e8, 1e8, 1e8] -var CLIP_GROUP = [NEG_INFINITY3, POS_INFINITY3] + //Render opaque pass + var hasTransparent = false + if(axes.enable) { + hasTransparent = hasTransparent || axes.isTransparent() + axes.draw(cameraParams) + } + spikes.axes = axes + if(selection.object) { + spikes.draw(cameraParams) + } -function drawFull(shader, pshader, points, camera, transparent, forceDraw) { - var gl = points.gl + gl.disable(gl.CULL_FACE) //most visualization surfaces are 2 sided - points.vao.bind() + for(var i=0; i 0) { - gl.lineWidth(points.lineWidth) - points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + //Clear dirty flags + dirty = false + for(var i=0; i= this.pointCount || x < 0) { - return null - } - //Unpack result - var coord = this.points[x] - var result = this._selectResult - result.index = x - for(var i=0; i<3; ++i) { - result.position[i] = result.dataCoordinate[i] = coord[i] - } - return result +exports.pointVertex = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\n\nuniform mat3 matrix;\nuniform float pointSize;\nuniform float pointCloud;\n\nhighp float rand(vec2 co) {\n highp float a = 12.9898;\n highp float b = 78.233;\n highp float c = 43758.5453;\n highp float d = dot(co.xy, vec2(a, b));\n highp float e = mod(d, 3.14);\n return fract(sin(e) * c);\n}\n\nvoid main() {\n vec3 hgPosition = matrix * vec3(position, 1);\n gl_Position = vec4(hgPosition.xy, 0, hgPosition.z);\n // if we don't jitter the point size a bit, overall point cloud\n // saturation 'jumps' on zooming, which is disturbing and confusing\n gl_PointSize = pointSize * ((19.5 + rand(position)) / 20.0);\n if(pointCloud != 0.0) { // pointCloud is truthy\n // get the same square surface as circle would be\n gl_PointSize *= 0.886;\n }\n}" +exports.pointFragment = "precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color, borderColor;\nuniform float centerFraction;\nuniform float pointCloud;\n\nvoid main() {\n float radius;\n vec4 baseColor;\n if(pointCloud != 0.0) { // pointCloud is truthy\n if(centerFraction == 1.0) {\n gl_FragColor = color;\n } else {\n gl_FragColor = mix(borderColor, color, centerFraction);\n }\n } else {\n radius = length(2.0 * gl_PointCoord.xy - 1.0);\n if(radius > 1.0) {\n discard;\n }\n baseColor = mix(borderColor, color, step(radius, centerFraction));\n gl_FragColor = vec4(baseColor.rgb * baseColor.a, baseColor.a);\n }\n}\n" +exports.pickVertex = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position;\nattribute vec4 pickId;\n\nuniform mat3 matrix;\nuniform float pointSize;\nuniform vec4 pickOffset;\n\nvarying vec4 fragId;\n\nvoid main() {\n vec3 hgPosition = matrix * vec3(position, 1);\n gl_Position = vec4(hgPosition.xy, 0, hgPosition.z);\n gl_PointSize = pointSize;\n\n vec4 id = pickId + pickOffset;\n id.y += floor(id.x / 256.0);\n id.x -= floor(id.x / 256.0) * 256.0;\n\n id.z += floor(id.y / 256.0);\n id.y -= floor(id.y / 256.0) * 256.0;\n\n id.w += floor(id.z / 256.0);\n id.z -= floor(id.z / 256.0) * 256.0;\n\n fragId = id;\n}\n" +exports.pickFragment = "precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragId;\n\nvoid main() {\n float radius = length(2.0 * gl_PointCoord.xy - 1.0);\n if(radius > 1.0) {\n discard;\n }\n gl_FragColor = fragId / 255.0;\n}\n" + +},{}],228:[function(require,module,exports){ +arguments[4][217][0].apply(exports,arguments) +},{"./lib/GLError":229,"./lib/create-attributes":230,"./lib/create-uniforms":231,"./lib/reflect":232,"./lib/runtime-reflect":233,"./lib/shader-cache":234,"dup":217}],229:[function(require,module,exports){ +arguments[4][218][0].apply(exports,arguments) +},{"dup":218}],230:[function(require,module,exports){ +arguments[4][219][0].apply(exports,arguments) +},{"./GLError":229,"dup":219}],231:[function(require,module,exports){ +arguments[4][220][0].apply(exports,arguments) +},{"./GLError":229,"./reflect":232,"dup":220}],232:[function(require,module,exports){ +arguments[4][221][0].apply(exports,arguments) +},{"dup":221}],233:[function(require,module,exports){ +arguments[4][222][0].apply(exports,arguments) +},{"dup":222}],234:[function(require,module,exports){ +arguments[4][223][0].apply(exports,arguments) +},{"./GLError":229,"dup":223,"gl-format-compiler-error":172,"weakmap-shim":576}],235:[function(require,module,exports){ +'use strict' + +var createShader = require('gl-shader') +var createBuffer = require('gl-buffer') + +var pool = require('typedarray-pool') + +var SHADERS = require('./lib/shader') + +module.exports = createPointcloud2D + +function Pointcloud2D(plot, offsetBuffer, pickBuffer, shader, pickShader) { + this.plot = plot + this.offsetBuffer = offsetBuffer + this.pickBuffer = pickBuffer + this.shader = shader + this.pickShader = pickShader + this.sizeMin = 0.5 + this.sizeMinCap = 2 + this.sizeMax = 20 + this.areaRatio = 1.0 + this.pointCount = 0 + this.color = [1, 0, 0, 1] + this.borderColor = [0, 0, 0, 1] + this.blend = false + this.pickOffset = 0 + this.points = null } -proto.highlight = function(selection) { - if(!selection) { - this.highlightId = [1,1,1,1] - } else { - var pointId = selection.index - var a0 = pointId &0xff - var a1 = (pointId>>8) &0xff - var a2 = (pointId>>16)&0xff - this.highlightId = [a0/255.0, a1/255.0, a2/255.0, 0] - } +var proto = Pointcloud2D.prototype + +proto.dispose = function() { + this.shader.dispose() + this.pickShader.dispose() + this.offsetBuffer.dispose() + this.pickBuffer.dispose() + this.plot.removeObject(this) } proto.update = function(options) { + var i + options = options || {} - if('perspective' in options) { - this.useOrtho = !options.perspective - } - if('orthographic' in options) { - this.useOrtho = !!options.orthographic - } - if('lineWidth' in options) { - this.lineWidth = options.lineWidth - } - if('project' in options) { - if(Array.isArray(options.project)) { - this.axesProject = options.project - } else { - var v = !!options.project - this.axesProject = [v,v,v] - } - } - if('projectScale' in options) { - if(Array.isArray(options.projectScale)) { - this.projectScale = options.projectScale.slice() - } else { - var s = +options.projectScale - this.projectScale = [s,s,s] - } - } - if('projectOpacity' in options) { - if(Array.isArray(options.projectOpacity)) { - this.projectOpacity = options.projectOpacity.slice() - } else { - var s = +options.projectOpacity - this.projectOpacity = [s,s,s] + function dflt(opt, value) { + if(opt in options) { + return options[opt] } + return value } - if('opacity' in options) { - this.opacity = options.opacity - } - - //Set dirty flag - this.dirty = true - //Create new buffers - var points = options.position - if(!points) { - return - } + this.sizeMin = dflt('sizeMin', 0.5) + this.sizeMax = dflt('sizeMax', 20) + this.color = dflt('color', [1, 0, 0, 1]).slice() + this.areaRatio = dflt('areaRatio', 1) + this.borderColor = dflt('borderColor', [0, 0, 0, 1]).slice() + this.blend = dflt('blend', false) - //Text font - var font = options.font || 'normal' - var alignment = options.alignment || [0,0] + //Update point data - //Bounds - var lowerBound = [ Infinity, Infinity, Infinity] - var upperBound = [-Infinity,-Infinity,-Infinity] + // Attempt straight-through processing (STP) to avoid allocation and copy + // TODO eventually abstract out STP logic, maybe into `pool` or a layer above + var pointCount = options.positions.length >>> 1 + var dataStraightThrough = options.positions instanceof Float32Array + var idStraightThrough = options.idToIndex instanceof Int32Array && options.idToIndex.length >= pointCount // permit larger to help reuse - //Unpack options - var glyphs = options.glyph - var colors = options.color - var sizes = options.size - var angles = options.angle - var lineColors = options.lineColor + var data = options.positions + var packed = dataStraightThrough ? data : pool.mallocFloat32(data.length) + var packedId = idStraightThrough ? options.idToIndex : pool.mallocInt32(pointCount) - //Picking geometry - var pickCounter = 0 + if(!dataStraightThrough) { + packed.set(data) + } - //First do pass to compute buffer sizes - var triVertexCount = 0 - var lineVertexCount = 0 + if(!idStraightThrough) { + packed.set(data) + for(i = 0; i < pointCount; i++) { + packedId[i] = i + } + } - //Count number of points and buffer size - var numPoints = points.length + this.points = data -count_loop: - for(var i=0; i>> 1 + var i + for(i = 0; i < length; i++) { + var x = points[i * 2] + var y = points[i * 2 + 1] + if(x >= dataBox[0] && x <= dataBox[2] && y >= dataBox[1] && y <= dataBox[3]) + visiblePointCountEstimate++ + } + return visiblePointCountEstimate +} - var textOffset = [0,alignment[1]] +proto.unifiedDraw = (function() { + var MATRIX = [1, 0, 0, + 0, 1, 0, + 0, 0, 1] + var PICK_VEC4 = [0, 0, 0, 0] +return function(pickOffset) { - var triOffset = 0 - var lineOffset = triVertexCount - var color = [0,0,0,1] - var lineColor = [0,0,0,1] + var pick = pickOffset !== void(0) - var isColorArray = Array.isArray(colors) && Array.isArray(colors[0]) - var isLineColorArray = Array.isArray(lineColors) && Array.isArray(lineColors[0]) + var shader = pick ? this.pickShader : this.shader + var gl = this.plot.gl + var dataBox = this.plot.dataBox -fill_loop: - for(var i=0; i> 8) & 0xff) + PICK_VEC4[2] = ((pickOffset >> 16) & 0xff) + PICK_VEC4[3] = ((pickOffset >> 24) & 0xff) - //Loop through markers and append to buffers - var cos = Math.cos(angle) - var sin = Math.sin(angle) + this.pickBuffer.bind() + shader.attributes.pickId.pointer(gl.UNSIGNED_BYTE) + shader.uniforms.pickOffset = PICK_VEC4 + this.pickOffset = pickOffset + } - var x = points[i] - for(var j=0; j<3; ++j) { - upperBound[j] = Math.max(upperBound[j], x[j]) - lowerBound[j] = Math.min(lowerBound[j], x[j]) - } + // Worth switching these off, but we can't make assumptions about other + // renderers, so let's restore it after each draw + var blend = gl.getParameter(gl.BLEND) + var dither = gl.getParameter(gl.DITHER) - //Calculate text offset - if(alignment[0] < 0) { - textOffset[0] = alignment[0] * (1+glyphBounds[1][0]) - } else if(alignment[0] > 0) { - textOffset[0] = -alignment[0] * (1+glyphBounds[0][0]) - } + if(blend && !this.blend) + gl.disable(gl.BLEND) + if(dither) + gl.disable(gl.DITHER) - //Write out inner marker - var cells = glyphMesh.cells - var verts = glyphMesh.positions + gl.drawArrays(gl.POINTS, 0, this.pointCount) - for(var j=0; j= pickOffset + pointCount) { + return null } + var pointId = value - pickOffset + var points = this.points + return { + object: this, + pointId: pointId, + dataCoord: [points[2 * pointId], points[2 * pointId + 1] ] + } +} +function createPointcloud2D(plot, options) { + var gl = plot.gl + var buffer = createBuffer(gl) + var pickBuffer = createBuffer(gl) + var shader = createShader(gl, SHADERS.pointVertex, SHADERS.pointFragment) + var pickShader = createShader(gl, SHADERS.pickVertex, SHADERS.pickFragment) - //Update vertex counts - this.vertexCount = triVertexCount - this.lineVertexCount = lineVertexCount - - //Update buffers - this.pointBuffer.update(positionArray) - this.colorBuffer.update(colorArray) - this.glyphBuffer.update(glyphArray) - this.idBuffer.update(new Uint32Array(idArray)) - - pool.free(positionArray) - pool.free(colorArray) - pool.free(glyphArray) - pool.free(idArray) - - //Update bounds - this.bounds = [lowerBound, upperBound] + var result = new Pointcloud2D(plot, buffer, pickBuffer, shader, pickShader) + result.update(options) - //Save points - this.points = points + //Register with plot + plot.addObject(result) - //Save number of points - this.pointCount = points.length + return result } -proto.dispose = function() { - //Shaders - this.shader.dispose() - this.orthoShader.dispose() - this.pickPerspectiveShader.dispose() - this.pickOrthoShader.dispose() +},{"./lib/shader":227,"gl-buffer":165,"gl-shader":228,"typedarray-pool":554}],236:[function(require,module,exports){ +module.exports = slerp - //Vertex array - this.vao.dispose() +/** + * Performs a spherical linear interpolation between two quat + * + * @param {quat} out the receiving quaternion + * @param {quat} a the first operand + * @param {quat} b the second operand + * @param {Number} t interpolation amount between the two inputs + * @returns {quat} out + */ +function slerp (out, a, b, t) { + // benchmarks: + // http://jsperf.com/quaternion-slerp-implementations - //Buffers - this.pointBuffer.dispose() - this.colorBuffer.dispose() - this.glyphBuffer.dispose() - this.idBuffer.dispose() -} + var ax = a[0], ay = a[1], az = a[2], aw = a[3], + bx = b[0], by = b[1], bz = b[2], bw = b[3] -function createPointCloud(options) { - var gl = options.gl + var omega, cosom, sinom, scale0, scale1 - var shader = shaders.createPerspective(gl) - var orthoShader = shaders.createOrtho(gl) - var projectShader = shaders.createProject(gl) - var pickPerspectiveShader = shaders.createPickPerspective(gl) - var pickOrthoShader = shaders.createPickOrtho(gl) - var pickProjectShader = shaders.createPickProject(gl) - - var pointBuffer = createBuffer(gl) - var colorBuffer = createBuffer(gl) - var glyphBuffer = createBuffer(gl) - var idBuffer = createBuffer(gl) - var vao = createVAO(gl, [ - { - buffer: pointBuffer, - size: 3, - type: gl.FLOAT - }, - { - buffer: colorBuffer, - size: 4, - type: gl.FLOAT - }, - { - buffer: glyphBuffer, - size: 2, - type: gl.FLOAT - }, - { - buffer: idBuffer, - size: 4, - type: gl.UNSIGNED_BYTE, - normalized: true - } - ]) - - var pointCloud = new PointCloud( - gl, - shader, - orthoShader, - projectShader, - pointBuffer, - colorBuffer, - glyphBuffer, - idBuffer, - vao, - pickPerspectiveShader, - pickOrthoShader, - pickProjectShader) - - pointCloud.update(options) + // calc cosine + cosom = ax * bx + ay * by + az * bz + aw * bw + // adjust signs (if necessary) + if (cosom < 0.0) { + cosom = -cosom + bx = -bx + by = -by + bz = -bz + bw = -bw + } + // calculate coefficients + if ((1.0 - cosom) > 0.000001) { + // standard case (slerp) + omega = Math.acos(cosom) + sinom = Math.sin(omega) + scale0 = Math.sin((1.0 - t) * omega) / sinom + scale1 = Math.sin(t * omega) / sinom + } else { + // "from" and "to" quaternions are very close + // ... so we can do a linear interpolation + scale0 = 1.0 - t + scale1 = t + } + // calculate final values + out[0] = scale0 * ax + scale1 * bx + out[1] = scale0 * ay + scale1 * by + out[2] = scale0 * az + scale1 * bz + out[3] = scale0 * aw + scale1 * bw - return pointCloud + return out } -},{"./lib/glyphs":237,"./lib/shaders":238,"gl-buffer":165,"gl-mat4/multiply":188,"gl-vao":259,"typedarray-pool":554}],240:[function(require,module,exports){ -'use strict' +},{}],237:[function(require,module,exports){ +"use strict" +var vectorizeText = require("vectorize-text") +module.exports = getGlyph -exports.boxVertex = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 vertex;\n\nuniform vec2 cornerA, cornerB;\n\nvoid main() {\n gl_Position = vec4(mix(cornerA, cornerB, vertex), 0, 1);\n}\n" -exports.boxFragment = "precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color;\n\nvoid main() {\n gl_FragColor = color;\n}\n" +var GLYPH_CACHE = {} -},{}],241:[function(require,module,exports){ -'use strict' +function getGlyph(symbol, font) { + var fontCache = GLYPH_CACHE[font] + if(!fontCache) { + fontCache = GLYPH_CACHE[font] = {} + } + if(symbol in fontCache) { + return fontCache[symbol] + } -var createShader = require('gl-shader') -var createBuffer = require('gl-buffer') + //Get line and triangle meshes for glyph + var lineSymbol = vectorizeText(symbol, { + textAlign: "center", + textBaseline: "middle", + lineHeight: 1.0, + font: font + }) + var triSymbol = vectorizeText(symbol, { + triangles: true, + textAlign: "center", + textBaseline: "middle", + lineHeight: 1.0, + font: font + }) -var SHADERS = require('./lib/shaders') + //Calculate bounding box + var bounds = [[Infinity,Infinity], [-Infinity,-Infinity]] + for(var i=0; i 0) { + this.pixelRatio = 1 - //Draw border - var w = lineWidth * pixelRatio - boxes.drawBox(loX-w, loY-w, hiX+w, loY+w, borderColor) - boxes.drawBox(loX-w, hiY-w, hiX+w, hiY+w, borderColor) - boxes.drawBox(loX-w, loY-w, loX+w, hiY+w, borderColor) - boxes.drawBox(hiX-w, loY-w, hiX+w, hiY+w, borderColor) - } -} + this.shader = shader + this.orthoShader = orthoShader + this.projectShader = projectShader -proto.update = function(options) { - options = options || {} + this.pointBuffer = pointBuffer + this.colorBuffer = colorBuffer + this.glyphBuffer = glyphBuffer + this.idBuffer = idBuffer + this.vao = vao + this.vertexCount = 0 + this.lineVertexCount = 0 - this.innerFill = !!options.innerFill - this.outerFill = !!options.outerFill - this.innerColor = (options.innerColor || [0,0,0,0.5]).slice() - this.outerColor = (options.outerColor || [0,0,0,0.5]).slice() - this.borderColor = (options.borderColor || [0,0,0,1]).slice() - this.borderWidth = options.borderWidth || 0 - this.selectBox = (options.selectBox || this.selectBox).slice() -} + this.opacity = 1.0 -proto.dispose = function() { - this.boxBuffer.dispose() - this.boxShader.dispose() - this.plot.removeOverlay(this) -} + this.lineWidth = 0 + this.projectScale = [2.0/3.0, 2.0/3.0, 2.0/3.0] + this.projectOpacity = [1,1,1] -function createSelectBox(plot, options) { - var gl = plot.gl - var buffer = createBuffer(gl, [ - 0, 0, - 0, 1, - 1, 0, - 1, 1 ]) - var shader = createShader(gl, SHADERS.boxVertex, SHADERS.boxFragment) - var selectBox = new SelectBox(plot, buffer, shader) - selectBox.update(options) - plot.addOverlay(selectBox) - return selectBox -} + this.pickId = 0 + this.pickPerspectiveShader = pickPerspectiveShader + this.pickOrthoShader = pickOrthoShader + this.pickProjectShader = pickProjectShader + this.points = [] -},{"./lib/shaders":240,"gl-buffer":165,"gl-shader":243}],242:[function(require,module,exports){ -'use strict' + this._selectResult = new ScatterPlotPickResult(0, [0,0,0]) -module.exports = createSelectBuffer + this.useOrtho = true + this.bounds = [[ Infinity,Infinity,Infinity], + [-Infinity,-Infinity,-Infinity]] -var createFBO = require('gl-fbo') -var pool = require('typedarray-pool') -var ndarray = require('ndarray') + //Axes projections + this.axesProject = [ true, true, true ] + this.axesBounds = [[-Infinity,-Infinity,-Infinity], + [ Infinity, Infinity, Infinity]] -var nextPow2 = require('bit-twiddle').nextPow2 + this.highlightId = [1,1,1,1] + this.highlightScale = 2 -var selectRange = require('cwise/lib/wrapper')({"args":["array",{"offset":[0,0,1],"array":0},{"offset":[0,0,2],"array":0},{"offset":[0,0,3],"array":0},"scalar","scalar","index"],"pre":{"body":"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}","args":[],"thisVars":["this_closestD2","this_closestX","this_closestY"],"localVars":[]},"body":{"body":"{if(_inline_46_arg0_<255||_inline_46_arg1_<255||_inline_46_arg2_<255||_inline_46_arg3_<255){var _inline_46_l=_inline_46_arg4_-_inline_46_arg6_[0],_inline_46_a=_inline_46_arg5_-_inline_46_arg6_[1],_inline_46_f=_inline_46_l*_inline_46_l+_inline_46_a*_inline_46_a;_inline_46_f this.buffer.length) { - pool.free(this.buffer) - var buffer = this.buffer = pool.mallocUint8(nextPow2(r*c*4)) - for(var i=0; i= 1) { + return true + } + for(var i=0; i<3; ++i) { + if(this.axesProject[i] && this.projectOpacity[i] >= 1) { + return true } - return v } -}) + return false +} -proto.begin = function() { - var gl = this.gl - var shape = this.shape - if(!gl) { - return - } +var VIEW_SHAPE = [0,0] +var U_VEC = [0,0,0] +var V_VEC = [0,0,0] +var MU_VEC = [0,0,0,1] +var MV_VEC = [0,0,0,1] +var SCRATCH_MATRIX = IDENTITY.slice() +var SCRATCH_VEC = [0,0,0] +var CLIP_BOUNDS = [[0,0,0], [0,0,0]] - this.fbo.bind() - gl.clearColor(1,1,1,1) - gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT) +function zeroVec(a) { + a[0] = a[1] = a[2] = 0 + return a } -proto.end = function() { - var gl = this.gl - if(!gl) { - return - } - gl.bindFramebuffer(gl.FRAMEBUFFER, null) - if(!this._readTimeout) { - clearTimeout(this._readTimeout) - } - this._readTimeout = setTimeout(this._readCallback, 1) +function augment(hg, af) { + hg[0] = af[0] + hg[1] = af[1] + hg[2] = af[2] + hg[3] = 1 + return hg } -proto.query = function(x, y, radius) { - if(!this.gl) { - return null - } - - var shape = this.fbo.shape.slice() +function setComponent(out, v, i, x) { + out[0] = v[0] + out[1] = v[1] + out[2] = v[2] + out[i] = x + return out +} - x = x|0 - y = y|0 - if(typeof radius !== 'number') { - radius = 1.0 +function getClipBounds(bounds) { + var result = CLIP_BOUNDS + for(var i=0; i<2; ++i) { + for(var j=0; j<3; ++j) { + result[i][j] = Math.max(Math.min(bounds[i][j], 1e8), -1e8) + } } + return result +} - var x0 = Math.min(Math.max(x - radius, 0), shape[0])|0 - var x1 = Math.min(Math.max(x + radius, 0), shape[0])|0 - var y0 = Math.min(Math.max(y - radius, 0), shape[1])|0 - var y1 = Math.min(Math.max(y + radius, 0), shape[1])|0 +function drawProject(shader, points, camera, transparent, forceDraw) { + var axesProject = points.axesProject - if(x1 <= x0 || y1 <= y0) { - return null + var gl = points.gl + var uniforms = shader.uniforms + var model = camera.model || IDENTITY + var view = camera.view || IDENTITY + var projection = camera.projection || IDENTITY + var bounds = points.axesBounds + var clipBounds = getClipBounds(points.clipBounds) + + var cubeAxis + if(points.axes) { + cubeAxis = points.axes.lastCubeProps.axis + } else { + cubeAxis = [1,1,1] } - var dims = [x1-x0,y1-y0] - var region = ndarray( - this.buffer, - [dims[0], dims[1], 4], - [4, shape[0]*4, 1], - 4*(x0 + shape[0]*y0)); + VIEW_SHAPE[0] = 2.0/gl.drawingBufferWidth + VIEW_SHAPE[1] = 2.0/gl.drawingBufferHeight - var closest = selectRange(region.hi(dims[0],dims[1],1), radius, radius) - var dx = closest[0] - var dy = closest[1] - if(dx < 0 || Math.pow(this.radius, 2) < closest[2]) { - return null - } + shader.bind() + uniforms.view = view + uniforms.projection = projection + uniforms.screenSize = VIEW_SHAPE + uniforms.highlightId = points.highlightId + uniforms.highlightScale = points.highlightScale + uniforms.clipBounds = clipBounds + uniforms.pickGroup = points.pickId / 255.0 + uniforms.pixelRatio = points.pixelRatio - var c0 = region.get(dx, dy, 0) - var c1 = region.get(dx, dy, 1) - var c2 = region.get(dx, dy, 2) - var c3 = region.get(dx, dy, 3) + for(var i=0; i<3; ++i) { + if(!axesProject[i]) { + continue + } + if((points.projectOpacity[i] < 1) !== transparent) { + continue + } - return new SelectResult( - (dx + x0)|0, - (dy + y0)|0, - c0, - [c1, c2, c3], - Math.sqrt(closest[2])) -} + uniforms.scale = points.projectScale[i] + uniforms.opacity = points.projectOpacity[i] -proto.dispose = function() { - if(!this.gl) { - return - } - this.fbo.dispose() - pool.free(this.buffer) - this.gl = null - if(this._readTimeout) { - clearTimeout(this._readTimeout) + //Project model matrix + var pmodel = SCRATCH_MATRIX + for(var j=0; j<16; ++j) { + pmodel[j] = 0 + } + for(var j=0; j<4; ++j) { + pmodel[5*j] = 1 + } + pmodel[5*i] = 0 + if(cubeAxis[i] < 0) { + pmodel[12+i] = bounds[0][i] + } else { + pmodel[12+i] = bounds[1][i] + } + mat4mult(pmodel, model, pmodel) + uniforms.model = pmodel + + //Compute initial axes + var u = (i+1)%3 + var v = (i+2)%3 + var du = zeroVec(U_VEC) + var dv = zeroVec(V_VEC) + du[u] = 1 + dv[v] = 1 + + //Align orientation relative to viewer + var mdu = project(projection, view, model, augment(MU_VEC, du)) + var mdv = project(projection, view, model, augment(MV_VEC, dv)) + if(Math.abs(mdu[1]) > Math.abs(mdv[1])) { + var tmp = mdu + mdu = mdv + mdv = tmp + tmp = du + du = dv + dv = tmp + var t = u + u = v + v = t + } + if(mdu[0] < 0) { + du[u] = -1 + } + if(mdv[1] > 0) { + dv[v] = -1 + } + var su = 0.0 + var sv = 0.0 + for(var j=0; j<4; ++j) { + su += Math.pow(model[4*u+j], 2) + sv += Math.pow(model[4*v+j], 2) + } + du[u] /= Math.sqrt(su) + dv[v] /= Math.sqrt(sv) + uniforms.axes[0] = du + uniforms.axes[1] = dv + + //Update fragment clip bounds + uniforms.fragClipBounds[0] = setComponent(SCRATCH_VEC, clipBounds[0], i, -1e8) + uniforms.fragClipBounds[1] = setComponent(SCRATCH_VEC, clipBounds[1], i, 1e8) + + //Draw interior + points.vao.draw(gl.TRIANGLES, points.vertexCount) + + //Draw edges + if(points.lineWidth > 0) { + gl.lineWidth(points.lineWidth) + points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + } } } -function createSelectBuffer(gl, shape) { - var fbo = createFBO(gl, shape) - var buffer = pool.mallocUint8(shape[0]*shape[1]*4) - return new SelectBuffer(gl, fbo, buffer) -} -},{"bit-twiddle":71,"cwise/lib/wrapper":119,"gl-fbo":171,"ndarray":458,"typedarray-pool":554}],243:[function(require,module,exports){ -'use strict' +var NEG_INFINITY3 = [-1e8, -1e8, -1e8] +var POS_INFINITY3 = [1e8, 1e8, 1e8] +var CLIP_GROUP = [NEG_INFINITY3, POS_INFINITY3] -var createUniformWrapper = require('./lib/create-uniforms') -var createAttributeWrapper = require('./lib/create-attributes') -var makeReflect = require('./lib/reflect') -var shaderCache = require('./lib/shader-cache') -var runtime = require('./lib/runtime-reflect') -var GLError = require("./lib/GLError") +function drawFull(shader, pshader, points, camera, transparent, forceDraw) { + var gl = points.gl -//Shader object -function Shader(gl) { - this.gl = gl + points.vao.bind() - //Default initialize these to null - this._vref = - this._fref = - this._relink = - this.vertShader = - this.fragShader = - this.program = - this.attributes = - this.uniforms = - this.types = null -} + if(transparent === (points.opacity < 1) || forceDraw) { + shader.bind() + var uniforms = shader.uniforms -var proto = Shader.prototype + uniforms.model = camera.model || IDENTITY + uniforms.view = camera.view || IDENTITY + uniforms.projection = camera.projection || IDENTITY -proto.bind = function() { - if(!this.program) { - this._relink() + VIEW_SHAPE[0] = 2.0/gl.drawingBufferWidth + VIEW_SHAPE[1] = 2.0/gl.drawingBufferHeight + uniforms.screenSize = VIEW_SHAPE + + uniforms.highlightId = points.highlightId + uniforms.highlightScale = points.highlightScale + + uniforms.fragClipBounds = CLIP_GROUP + uniforms.clipBounds = points.axes.bounds + + uniforms.opacity = points.opacity + uniforms.pickGroup = points.pickId / 255.0 + + uniforms.pixelRatio = points.pixelRatio + + //Draw interior + points.vao.draw(gl.TRIANGLES, points.vertexCount) + + //Draw edges + if(points.lineWidth > 0) { + gl.lineWidth(points.lineWidth) + points.vao.draw(gl.LINES, points.lineVertexCount, points.vertexCount) + } } - this.gl.useProgram(this.program) + + drawProject(pshader, points, camera, transparent, forceDraw) + + points.vao.unbind() } -proto.dispose = function() { - if(this._fref) { - this._fref.dispose() - } - if(this._vref) { - this._vref.dispose() - } - this.attributes = - this.types = - this.vertShader = - this.fragShader = - this.program = - this._relink = - this._fref = - this._vref = null +proto.draw = function(camera) { + var shader = this.useOrtho ? this.orthoShader : this.shader + drawFull(shader, this.projectShader, this, camera, false, false) } -function compareAttributes(a, b) { - if(a.name < b.name) { - return -1 - } - return 1 +proto.drawTransparent = function(camera) { + var shader = this.useOrtho ? this.orthoShader : this.shader + drawFull(shader, this.projectShader, this, camera, true, false) } -//Update export hook for glslify-live -proto.update = function( - vertSource - , fragSource - , uniforms - , attributes) { +proto.drawPick = function(camera) { + var shader = this.useOrtho ? this.pickOrthoShader : this.pickPerspectiveShader + drawFull(shader, this.pickProjectShader, this, camera, false, true) +} - //If only one object passed, assume glslify style output - if(!fragSource || arguments.length === 1) { - var obj = vertSource - vertSource = obj.vertex - fragSource = obj.fragment - uniforms = obj.uniforms - attributes = obj.attributes +proto.pick = function(selected) { + if(!selected) { + return null } - - var wrapper = this - var gl = wrapper.gl - - //Compile vertex and fragment shaders - var pvref = wrapper._vref - wrapper._vref = shaderCache.shader(gl, gl.VERTEX_SHADER, vertSource) - if(pvref) { - pvref.dispose() + if(selected.id !== this.pickId) { + return null } - wrapper.vertShader = wrapper._vref.shader - var pfref = this._fref - wrapper._fref = shaderCache.shader(gl, gl.FRAGMENT_SHADER, fragSource) - if(pfref) { - pfref.dispose() + var x = selected.value[2] + (selected.value[1]<<8) + (selected.value[0]<<16) + if(x >= this.pointCount || x < 0) { + return null } - wrapper.fragShader = wrapper._fref.shader - //If uniforms/attributes is not specified, use RT reflection - if(!uniforms || !attributes) { - - //Create initial test program - var testProgram = gl.createProgram() - gl.attachShader(testProgram, wrapper.fragShader) - gl.attachShader(testProgram, wrapper.vertShader) - gl.linkProgram(testProgram) - if(!gl.getProgramParameter(testProgram, gl.LINK_STATUS)) { - var errLog = gl.getProgramInfoLog(testProgram) - throw new GLError(errLog, 'Error linking program:' + errLog) - } - - //Load data from runtime - uniforms = uniforms || runtime.uniforms(gl, testProgram) - attributes = attributes || runtime.attributes(gl, testProgram) + //Unpack result + var coord = this.points[x] + var result = this._selectResult + result.index = x + for(var i=0; i<3; ++i) { + result.position[i] = result.dataCoordinate[i] = coord[i] + } + return result +} - //Release test program - gl.deleteProgram(testProgram) +proto.highlight = function(selection) { + if(!selection) { + this.highlightId = [1,1,1,1] + } else { + var pointId = selection.index + var a0 = pointId &0xff + var a1 = (pointId>>8) &0xff + var a2 = (pointId>>16)&0xff + this.highlightId = [a0/255.0, a1/255.0, a2/255.0, 0] } +} - //Sort attributes lexicographically - // overrides undefined WebGL behavior for attribute locations - attributes = attributes.slice() - attributes.sort(compareAttributes) +proto.update = function(options) { - //Convert attribute types, read out locations - var attributeUnpacked = [] - var attributeNames = [] - var attributeLocations = [] - for(var i=0; i= 0) { - var size = attr.type.charAt(attr.type.length-1)|0 - var locVector = new Array(size) - for(var j=0; j= 0) { - curLocation += 1 - } - attributeLocations[i] = curLocation + if('projectScale' in options) { + if(Array.isArray(options.projectScale)) { + this.projectScale = options.projectScale.slice() + } else { + var s = +options.projectScale + this.projectScale = [s,s,s] } } - - //Rebuild program and recompute all uniform locations - var uniformLocations = new Array(uniforms.length) - function relink() { - wrapper.program = shaderCache.program( - gl - , wrapper._vref - , wrapper._fref - , attributeNames - , attributeLocations) - - for(var i=0; i 0) { + textOffset[0] = -alignment[0] * (1+glyphBounds[0][0]) + } + + //Write out inner marker + var cells = glyphMesh.cells + var verts = glyphMesh.positions + + for(var j=0; j 0) { + + //Draw border + var w = lineWidth * pixelRatio + boxes.drawBox(loX-w, loY-w, hiX+w, loY+w, borderColor) + boxes.drawBox(loX-w, hiY-w, hiX+w, hiY+w, borderColor) + boxes.drawBox(loX-w, loY-w, loX+w, hiY+w, borderColor) + boxes.drawBox(hiX-w, loY-w, hiX+w, hiY+w, borderColor) } } +proto.update = function(options) { + options = options || {} + + this.innerFill = !!options.innerFill + this.outerFill = !!options.outerFill + this.innerColor = (options.innerColor || [0,0,0,0.5]).slice() + this.outerColor = (options.outerColor || [0,0,0,0.5]).slice() + this.borderColor = (options.borderColor || [0,0,0,1]).slice() + this.borderWidth = options.borderWidth || 0 + this.selectBox = (options.selectBox || this.selectBox).slice() +} + proto.dispose = function() { - this.vao.dispose() - this.buffer.dispose() - this.shader.dispose() + this.boxBuffer.dispose() + this.boxShader.dispose() + this.plot.removeOverlay(this) } +function createSelectBox(plot, options) { + var gl = plot.gl + var buffer = createBuffer(gl, [ + 0, 0, + 0, 1, + 1, 0, + 1, 1 ]) + var shader = createShader(gl, SHADERS.boxVertex, SHADERS.boxFragment) + var selectBox = new SelectBox(plot, buffer, shader) + selectBox.update(options) + plot.addOverlay(selectBox) + return selectBox +} +},{"./lib/shaders":240,"gl-buffer":165,"gl-shader":243}],242:[function(require,module,exports){ +'use strict' -function createSpikes(gl, options) { - //Create buffers - var data = [ ] +module.exports = createSelectBuffer - function line(x,y,z,i,l,h) { - var row = [x,y,z, 0,0,0, 1] - row[i+3] = 1 - row[i] = l - data.push.apply(data, row) - row[6] = -1 - data.push.apply(data, row) - row[i] = h - data.push.apply(data, row) - data.push.apply(data, row) - row[6] = 1 - data.push.apply(data, row) - row[i] = l - data.push.apply(data, row) - } +var createFBO = require('gl-fbo') +var pool = require('typedarray-pool') +var ndarray = require('ndarray') - line(0,0,0, 0, 0, 1) - line(0,0,0, 1, 0, 1) - line(0,0,0, 2, 0, 1) +var nextPow2 = require('bit-twiddle').nextPow2 - line(1,0,0, 1, -1,1) - line(1,0,0, 2, -1,1) +var selectRange = require('cwise/lib/wrapper')({"args":["array",{"offset":[0,0,1],"array":0},{"offset":[0,0,2],"array":0},{"offset":[0,0,3],"array":0},"scalar","scalar","index"],"pre":{"body":"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}","args":[],"thisVars":["this_closestD2","this_closestX","this_closestY"],"localVars":[]},"body":{"body":"{if(_inline_46_arg0_<255||_inline_46_arg1_<255||_inline_46_arg2_<255||_inline_46_arg3_<255){var _inline_46_l=_inline_46_arg4_-_inline_46_arg6_[0],_inline_46_a=_inline_46_arg5_-_inline_46_arg6_[1],_inline_46_f=_inline_46_l*_inline_46_l+_inline_46_a*_inline_46_a;_inline_46_f this.buffer.length) { + pool.free(this.buffer) + var buffer = this.buffer = pool.mallocUint8(nextPow2(r*c*4)) + for(var i=0; i= 1) { - return true - } - for (var i = 0; i < 3; ++i) { - if (this._contourCounts[i].length > 0 || this._dynamicCounts[i] > 0) { - return true - } - } - return false -} - -proto.pickSlots = 1 - -proto.setPickBase = function (id) { - this.pickId = id -} - -var ZERO_VEC = [0, 0, 0] - -var PROJECT_DATA = { - showSurface: false, - showContour: false, - projections: [IDENTITY.slice(), IDENTITY.slice(), IDENTITY.slice()], - clipBounds: [ - [[0, 0, 0], [0, 0, 0]], - [[0, 0, 0], [0, 0, 0]], - [[0, 0, 0], [0, 0, 0]]] -} - -function computeProjectionData (camera, obj) { - var i, j, k - - // Compute cube properties - var cubeAxis = (obj.axes && obj.axes.lastCubeProps.axis) || ZERO_VEC - - var showSurface = obj.showSurface - var showContour = obj.showContour - - for (i = 0; i < 3; ++i) { - showSurface = showSurface || obj.surfaceProject[i] - for (j = 0; j < 3; ++j) { - showContour = showContour || obj.contourProject[i][j] - } - } - - for (i = 0; i < 3; ++i) { - // Construct projection onto axis - var axisSquish = PROJECT_DATA.projections[i] - for (j = 0; j < 16; ++j) { - axisSquish[j] = 0 - } - for (j = 0; j < 4; ++j) { - axisSquish[5 * j] = 1 - } - axisSquish[5 * i] = 0 - axisSquish[12 + i] = obj.axesBounds[+(cubeAxis[i] > 0)][i] - multiply(axisSquish, camera.model, axisSquish) - - var nclipBounds = PROJECT_DATA.clipBounds[i] - for (k = 0; k < 2; ++k) { - for (j = 0; j < 3; ++j) { - nclipBounds[k][j] = camera.clipBounds[k][j] - } - } - nclipBounds[0][i] = -1e8 - nclipBounds[1][i] = 1e8 - } - - PROJECT_DATA.showSurface = showSurface - PROJECT_DATA.showContour = showContour - - return PROJECT_DATA -} - -var UNIFORMS = { - model: IDENTITY, - view: IDENTITY, - projection: IDENTITY, - inverseModel: IDENTITY.slice(), - lowerBound: [0, 0, 0], - upperBound: [0, 0, 0], - colorMap: 0, - clipBounds: [[0, 0, 0], [0, 0, 0]], - height: 0.0, - contourTint: 0, - contourColor: [0, 0, 0, 1], - permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], - zOffset: -1e-4, - kambient: 1, - kdiffuse: 1, - kspecular: 1, - lightPosition: [1000, 1000, 1000], - eyePosition: [0, 0, 0], - roughness: 1, - fresnel: 1, - opacity: 1, - vertexColor: 0 -} - -var MATRIX_INVERSE = IDENTITY.slice() -var DEFAULT_PERM = [1, 0, 0, 0, 1, 0, 0, 0, 1] - -function drawCore (params, transparent) { - params = params || {} - var gl = this.gl - - gl.disable(gl.CULL_FACE) - - this._colorMap.bind(0) - - var uniforms = UNIFORMS - uniforms.model = params.model || IDENTITY - uniforms.view = params.view || IDENTITY - uniforms.projection = params.projection || IDENTITY - uniforms.lowerBound = [this.bounds[0][0], this.bounds[0][1], this.colorBounds[0] || this.bounds[0][2]] - uniforms.upperBound = [this.bounds[1][0], this.bounds[1][1], this.colorBounds[1] || this.bounds[1][2]] - uniforms.contourColor = this.contourColor[0] - - uniforms.inverseModel = invert(uniforms.inverseModel, uniforms.model) - - for (var i = 0; i < 2; ++i) { - var clipClamped = uniforms.clipBounds[i] - for (var j = 0; j < 3; ++j) { - clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) - } - } - - uniforms.kambient = this.ambientLight - uniforms.kdiffuse = this.diffuseLight - uniforms.kspecular = this.specularLight - - uniforms.roughness = this.roughness - uniforms.fresnel = this.fresnel - uniforms.opacity = this.opacity - - uniforms.height = 0.0 - uniforms.permutation = DEFAULT_PERM - - uniforms.vertexColor = this.vertexColor - - // Compute camera matrix inverse - var invCameraMatrix = MATRIX_INVERSE - multiply(invCameraMatrix, uniforms.view, uniforms.model) - multiply(invCameraMatrix, uniforms.projection, invCameraMatrix) - invert(invCameraMatrix, invCameraMatrix) - - for (i = 0; i < 3; ++i) { - uniforms.eyePosition[i] = invCameraMatrix[12 + i] / invCameraMatrix[15] - } - - var w = invCameraMatrix[15] - for (i = 0; i < 3; ++i) { - w += this.lightPosition[i] * invCameraMatrix[4 * i + 3] - } - for (i = 0; i < 3; ++i) { - var s = invCameraMatrix[12 + i] - for (j = 0; j < 3; ++j) { - s += invCameraMatrix[4 * j + i] * this.lightPosition[j] - } - uniforms.lightPosition[i] = s / w - } - - var projectData = computeProjectionData(uniforms, this) - - if (projectData.showSurface && (transparent === (this.opacity < 1))) { - // Set up uniforms - this._shader.bind() - this._shader.uniforms = uniforms - - // Draw it - this._vao.bind() - - if (this.showSurface && this._vertexCount) { - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - if (!this.surfaceProject[i] || !this.vertexCount) { - continue - } - this._shader.uniforms.model = projectData.projections[i] - this._shader.uniforms.clipBounds = projectData.clipBounds[i] - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - this._vao.unbind() - } - - if (projectData.showContour && !transparent) { - var shader = this._contourShader - - // Don't apply lighting to contours - uniforms.kambient = 1.0 - uniforms.kdiffuse = 0.0 - uniforms.kspecular = 0.0 - uniforms.opacity = 1.0 - - shader.bind() - shader.uniforms = uniforms - - // Draw contour lines - var vao = this._contourVAO - vao.bind() - - // Draw contour levels - for (i = 0; i < 3; ++i) { - shader.uniforms.permutation = PERMUTATIONS[i] - gl.lineWidth(this.contourWidth[i]) - - for (j = 0; j < this.contourLevels[i].length; ++j) { - if (!this._contourCounts[i][j]) { - continue - } - if (j === this.highlightLevel[i]) { - shader.uniforms.contourColor = this.highlightColor[i] - shader.uniforms.contourTint = this.highlightTint[i] - } else if (j === 0 || (j - 1) === this.highlightLevel[i]) { - shader.uniforms.contourColor = this.contourColor[i] - shader.uniforms.contourTint = this.contourTint[i] - } - shader.uniforms.height = this.contourLevels[i][j] - vao.draw(gl.LINES, this._contourCounts[i][j], this._contourOffsets[i][j]) - } - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - shader.uniforms.model = projectData.projections[i] - shader.uniforms.clipBounds = projectData.clipBounds[i] - for (j = 0; j < 3; ++j) { - if (!this.contourProject[i][j]) { - continue - } - shader.uniforms.permutation = PERMUTATIONS[j] - gl.lineWidth(this.contourWidth[j]) - for (var k = 0; k < this.contourLevels[j].length; ++k) { - if (k === this.highlightLevel[j]) { - shader.uniforms.contourColor = this.highlightColor[j] - shader.uniforms.contourTint = this.highlightTint[j] - } else if (k === 0 || (k - 1) === this.highlightLevel[j]) { - shader.uniforms.contourColor = this.contourColor[j] - shader.uniforms.contourTint = this.contourTint[j] - } - shader.uniforms.height = this.contourLevels[j][k] - vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) - } - } - } - - // Draw dynamic contours - vao = this._dynamicVAO - vao.bind() - - // Draw contour levels - for (i = 0; i < 3; ++i) { - if (this._dynamicCounts[i] === 0) { - continue - } - - shader.uniforms.model = uniforms.model - shader.uniforms.clipBounds = uniforms.clipBounds - shader.uniforms.permutation = PERMUTATIONS[i] - gl.lineWidth(this.dynamicWidth[i]) - - shader.uniforms.contourColor = this.dynamicColor[i] - shader.uniforms.contourTint = this.dynamicTint[i] - shader.uniforms.height = this.dynamicLevel[i] - vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) - - for (j = 0; j < 3; ++j) { - if (!this.contourProject[j][i]) { - continue - } - - shader.uniforms.model = projectData.projections[j] - shader.uniforms.clipBounds = projectData.clipBounds[j] - vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) - } - } - - vao.unbind() - } -} - -proto.draw = function (params) { - return drawCore.call(this, params, false) -} - -proto.drawTransparent = function (params) { - return drawCore.call(this, params, true) -} - -var PICK_UNIFORMS = { - model: IDENTITY, - view: IDENTITY, - projection: IDENTITY, - inverseModel: IDENTITY, - clipBounds: [[0, 0, 0], [0, 0, 0]], - height: 0.0, - shape: [0, 0], - pickId: 0, - lowerBound: [0, 0, 0], - upperBound: [0, 0, 0], - zOffset: 0.0, - permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], - lightPosition: [0, 0, 0], - eyePosition: [0, 0, 0] -} - -proto.drawPick = function (params) { - params = params || {} - var gl = this.gl - gl.disable(gl.CULL_FACE) - - var uniforms = PICK_UNIFORMS - uniforms.model = params.model || IDENTITY - uniforms.view = params.view || IDENTITY - uniforms.projection = params.projection || IDENTITY - uniforms.shape = this._field[2].shape - uniforms.pickId = this.pickId / 255.0 - uniforms.lowerBound = this.bounds[0] - uniforms.upperBound = this.bounds[1] - uniforms.permutation = DEFAULT_PERM - - for (var i = 0; i < 2; ++i) { - var clipClamped = uniforms.clipBounds[i] - for (var j = 0; j < 3; ++j) { - clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) - } - } - - var projectData = computeProjectionData(uniforms, this) - - if (projectData.showSurface) { - // Set up uniforms - this._pickShader.bind() - this._pickShader.uniforms = uniforms - - // Draw it - this._vao.bind() - this._vao.draw(gl.TRIANGLES, this._vertexCount) - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - if (!this.surfaceProject[i]) { - continue - } - this._pickShader.uniforms.model = projectData.projections[i] - this._pickShader.uniforms.clipBounds = projectData.clipBounds[i] - this._vao.draw(gl.TRIANGLES, this._vertexCount) - } - - this._vao.unbind() - } - - if (projectData.showContour) { - var shader = this._contourPickShader - - shader.bind() - shader.uniforms = uniforms - - var vao = this._contourVAO - vao.bind() - - for (j = 0; j < 3; ++j) { - gl.lineWidth(this.contourWidth[j]) - shader.uniforms.permutation = PERMUTATIONS[j] - for (i = 0; i < this.contourLevels[j].length; ++i) { - if (this._contourCounts[j][i]) { - shader.uniforms.height = this.contourLevels[j][i] - vao.draw(gl.LINES, this._contourCounts[j][i], this._contourOffsets[j][i]) - } - } - } - - // Draw projections of surface - for (i = 0; i < 3; ++i) { - shader.uniforms.model = projectData.projections[i] - shader.uniforms.clipBounds = projectData.clipBounds[i] - - for (j = 0; j < 3; ++j) { - if (!this.contourProject[i][j]) { - continue - } - - shader.uniforms.permutation = PERMUTATIONS[j] - gl.lineWidth(this.contourWidth[j]) - for (var k = 0; k < this.contourLevels[j].length; ++k) { - if (this._contourCounts[j][k]) { - shader.uniforms.height = this.contourLevels[j][k] - vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) - } - } - } - } - - vao.unbind() - } -} - -proto.pick = function (selection) { - if (!selection) { - return null - } - - if (selection.id !== this.pickId) { - return null - } - - var shape = this._field[2].shape - - var result = this._pickResult - - // Compute uv coordinate - var x = shape[0] * (selection.value[0] + (selection.value[2] >> 4) / 16.0) / 255.0 - var ix = Math.floor(x) - var fx = x - ix - - var y = shape[1] * (selection.value[1] + (selection.value[2] & 15) / 16.0) / 255.0 - var iy = Math.floor(y) - var fy = y - iy - - ix += 1 - iy += 1 - - // Compute xyz coordinate - var pos = result.position - pos[0] = pos[1] = pos[2] = 0 - for (var dx = 0; dx < 2; ++dx) { - var s = dx ? fx : 1.0 - fx - for (var dy = 0; dy < 2; ++dy) { - var t = dy ? fy : 1.0 - fy - - var r = ix + dx - var c = iy + dy - var w = s * t - - for (var i = 0; i < 3; ++i) { - pos[i] += this._field[i].get(r, c) * w - } - } - } - - // Find closest level - var levelIndex = this._pickResult.level - for (var j = 0; j < 3; ++j) { - levelIndex[j] = bsearch.le(this.contourLevels[j], pos[j]) - if (levelIndex[j] < 0) { - if (this.contourLevels[j].length > 0) { - levelIndex[j] = 0 - } - } else if (levelIndex[j] < this.contourLevels[j].length - 1) { - var a = this.contourLevels[j][levelIndex[j]] - var b = this.contourLevels[j][levelIndex[j] + 1] - if (Math.abs(a - pos[j]) > Math.abs(b - pos[j])) { - levelIndex[j] += 1 - } - } - } - - result.index[0] = fx < 0.5 ? ix : (ix + 1) - result.index[1] = fy < 0.5 ? iy : (iy + 1) - - result.uv[0] = x / shape[0] - result.uv[1] = y / shape[1] - - for (i = 0; i < 3; ++i) { - result.dataCoordinate[i] = this._field[i].get(result.index[0], result.index[1]) - } - - return result -} - -function padField (nfield, field) { - var shape = field.shape.slice() - var nshape = nfield.shape.slice() - - // Center - ops.assign(nfield.lo(1, 1).hi(shape[0], shape[1]), field) - - // Edges - ops.assign(nfield.lo(1).hi(shape[0], 1), - field.hi(shape[0], 1)) - ops.assign(nfield.lo(1, nshape[1] - 1).hi(shape[0], 1), - field.lo(0, shape[1] - 1).hi(shape[0], 1)) - ops.assign(nfield.lo(0, 1).hi(1, shape[1]), - field.hi(1)) - ops.assign(nfield.lo(nshape[0] - 1, 1).hi(1, shape[1]), - field.lo(shape[0] - 1)) - // Corners - nfield.set(0, 0, field.get(0, 0)) - nfield.set(0, nshape[1] - 1, field.get(0, shape[1] - 1)) - nfield.set(nshape[0] - 1, 0, field.get(shape[0] - 1, 0)) - nfield.set(nshape[0] - 1, nshape[1] - 1, field.get(shape[0] - 1, shape[1] - 1)) -} - -function handleArray (param, ctor) { - if (Array.isArray(param)) { - return [ ctor(param[0]), ctor(param[1]), ctor(param[2]) ] - } - return [ ctor(param), ctor(param), ctor(param) ] -} - -function toColor (x) { - if (Array.isArray(x)) { - if (x.length === 3) { - return [x[0], x[1], x[2], 1] - } - return [x[0], x[1], x[2], x[3]] - } - return [0, 0, 0, 1] -} - -function handleColor (param) { - if (Array.isArray(param)) { - if (Array.isArray(param)) { - return [ - toColor(param[0]), - toColor(param[1]), - toColor(param[2]) ] - } else { - var c = toColor(param) - return [ - c.slice(), - c.slice(), - c.slice() ] - } - } -} - -proto.update = function (params) { - params = params || {} - - this.dirty = true - - if ('contourWidth' in params) { - this.contourWidth = handleArray(params.contourWidth, Number) - } - if ('showContour' in params) { - this.showContour = handleArray(params.showContour, Boolean) - } - if ('showSurface' in params) { - this.showSurface = !!params.showSurface - } - if ('contourTint' in params) { - this.contourTint = handleArray(params.contourTint, Boolean) - } - if ('contourColor' in params) { - this.contourColor = handleColor(params.contourColor) - } - if ('contourProject' in params) { - this.contourProject = handleArray(params.contourProject, function (x) { - return handleArray(x, Boolean) - }) - } - if ('surfaceProject' in params) { - this.surfaceProject = params.surfaceProject - } - if ('dynamicColor' in params) { - this.dynamicColor = handleColor(params.dynamicColor) - } - if ('dynamicTint' in params) { - this.dynamicTint = handleArray(params.dynamicTint, Number) - } - if ('dynamicWidth' in params) { - this.dynamicWidth = handleArray(params.dynamicWidth, Number) - } - if ('opacity' in params) { - this.opacity = params.opacity - } - if ('colorBounds' in params) { - this.colorBounds = params.colorBounds - } - if ('vertexColor' in params) { - this.vertexColor = params.vertexColor ? 1 : 0; - } - - var field = params.field || (params.coords && params.coords[2]) || null - var levelsChanged = false - - if (!field) { - if (this._field[2].shape[0] || this._field[2].shape[2]) { - field = this._field[2].lo(1, 1).hi(this._field[2].shape[0] - 2, this._field[2].shape[1] - 2) - } else { - field = this._field[2].hi(0, 0) - } - } - - // Update field - if ('field' in params || 'coords' in params) { - var fsize = (field.shape[0] + 2) * (field.shape[1] + 2) - - // Resize if necessary - if (fsize > this._field[2].data.length) { - pool.freeFloat(this._field[2].data) - this._field[2].data = pool.mallocFloat(bits.nextPow2(fsize)) - } - - // Pad field - this._field[2] = ndarray(this._field[2].data, [field.shape[0] + 2, field.shape[1] + 2]) - padField(this._field[2], field) - - // Save shape of field - this.shape = field.shape.slice() - var shape = this.shape - - // Resize coordinate fields if necessary - for (var i = 0; i < 2; ++i) { - if (this._field[2].size > this._field[i].data.length) { - pool.freeFloat(this._field[i].data) - this._field[i].data = pool.mallocFloat(this._field[2].size) - } - this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2]) - } - - // Generate x/y coordinates - if (params.coords) { - var coords = params.coords - if (!Array.isArray(coords) || coords.length !== 3) { - throw new Error('gl-surface: invalid coordinates for x/y') - } - for (i = 0; i < 2; ++i) { - var coord = coords[i] - for (j = 0; j < 2; ++j) { - if (coord.shape[j] !== shape[j]) { - throw new Error('gl-surface: coords have incorrect shape') - } - } - padField(this._field[i], coord) - } - } else if (params.ticks) { - var ticks = params.ticks - if (!Array.isArray(ticks) || ticks.length !== 2) { - throw new Error('gl-surface: invalid ticks') - } - for (i = 0; i < 2; ++i) { - var tick = ticks[i] - if (Array.isArray(tick) || tick.length) { - tick = ndarray(tick) - } - if (tick.shape[0] !== shape[i]) { - throw new Error('gl-surface: invalid tick length') - } - // Make a copy view of the tick array - var tick2 = ndarray(tick.data, shape) - tick2.stride[i] = tick.stride[0] - tick2.stride[i ^ 1] = 0 - - // Fill in field array - padField(this._field[i], tick2) - } - } else { - for (i = 0; i < 2; ++i) { - var offset = [0, 0] - offset[i] = 1 - this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2], offset, 0) - } - this._field[0].set(0, 0, 0) - for (var j = 0; j < shape[0]; ++j) { - this._field[0].set(j + 1, 0, j) - } - this._field[0].set(shape[0] + 1, 0, shape[0] - 1) - this._field[1].set(0, 0, 0) - for (j = 0; j < shape[1]; ++j) { - this._field[1].set(0, j + 1, j) - } - this._field[1].set(0, shape[1] + 1, shape[1] - 1) - } - - // Save shape - var fields = this._field - - // Compute surface normals - var dfields = ndarray(pool.mallocFloat(fields[2].size * 3 * 2), [3, shape[0] + 2, shape[1] + 2, 2]) - for (i = 0; i < 3; ++i) { - gradient(dfields.pick(i), fields[i], 'mirror') - } - var normals = ndarray(pool.mallocFloat(fields[2].size * 3), [shape[0] + 2, shape[1] + 2, 3]) - for (i = 0; i < shape[0] + 2; ++i) { - for (j = 0; j < shape[1] + 2; ++j) { - var dxdu = dfields.get(0, i, j, 0) - var dxdv = dfields.get(0, i, j, 1) - var dydu = dfields.get(1, i, j, 0) - var dydv = dfields.get(1, i, j, 1) - var dzdu = dfields.get(2, i, j, 0) - var dzdv = dfields.get(2, i, j, 1) - - var nx = dydu * dzdv - dydv * dzdu - var ny = dzdu * dxdv - dzdv * dxdu - var nz = dxdu * dydv - dxdv * dydu - - var nl = Math.sqrt(nx * nx + ny * ny + nz * nz) - if (nl < 1e-8) { - nl = Math.max(Math.abs(nx), Math.abs(ny), Math.abs(nz)) - if (nl < 1e-8) { - nz = 1.0 - ny = nx = 0.0 - nl = 1.0 - } else { - nl = 1.0 / nl - } - } else { - nl = 1.0 / Math.sqrt(nl) - } - - normals.set(i, j, 0, nx * nl) - normals.set(i, j, 1, ny * nl) - normals.set(i, j, 2, nz * nl) - } - } - pool.free(dfields.data) - - // Initialize surface - var lo = [ Infinity, Infinity, Infinity ] - var hi = [ -Infinity, -Infinity, -Infinity ] - var lo_intensity = Infinity - var hi_intensity = -Infinity - var count = (shape[0] - 1) * (shape[1] - 1) * 6 - var tverts = pool.mallocFloat(bits.nextPow2(10 * count)) - var tptr = 0 - var vertexCount = 0 - for (i = 0; i < shape[0] - 1; ++i) { - j_loop: - for (j = 0; j < shape[1] - 1; ++j) { - // Test for NaNs - for (var dx = 0; dx < 2; ++dx) { - for (var dy = 0; dy < 2; ++dy) { - for (var k = 0; k < 3; ++k) { - var f = this._field[k].get(1 + i + dx, 1 + j + dy) - if (isNaN(f) || !isFinite(f)) { - continue j_loop - } - } - } - } - for (k = 0; k < 6; ++k) { - var r = i + QUAD[k][0] - var c = j + QUAD[k][1] - - var tx = this._field[0].get(r + 1, c + 1) - var ty = this._field[1].get(r + 1, c + 1) - f = this._field[2].get(r + 1, c + 1) - var vf = f - nx = normals.get(r + 1, c + 1, 0) - ny = normals.get(r + 1, c + 1, 1) - nz = normals.get(r + 1, c + 1, 2) - - if (params.intensity) { - vf = params.intensity.get(r, c) - } - - tverts[tptr++] = r - tverts[tptr++] = c - tverts[tptr++] = tx - tverts[tptr++] = ty - tverts[tptr++] = f - tverts[tptr++] = 0 - tverts[tptr++] = vf - tverts[tptr++] = nx - tverts[tptr++] = ny - tverts[tptr++] = nz - - lo[0] = Math.min(lo[0], tx) - lo[1] = Math.min(lo[1], ty) - lo[2] = Math.min(lo[2], f) - lo_intensity = Math.min(lo_intensity, vf) - - hi[0] = Math.max(hi[0], tx) - hi[1] = Math.max(hi[1], ty) - hi[2] = Math.max(hi[2], f) - hi_intensity = Math.max(hi_intensity, vf) - - vertexCount += 1 - } - } - } - - if (params.intensityBounds) { - lo_intensity = +params.intensityBounds[0] - hi_intensity = +params.intensityBounds[1] - } - - // Scale all vertex intensities - for (i = 6; i < tptr; i += 10) { - tverts[i] = (tverts[i] - lo_intensity) / (hi_intensity - lo_intensity) - } - - this._vertexCount = vertexCount - this._coordinateBuffer.update(tverts.subarray(0, tptr)) - pool.freeFloat(tverts) - pool.free(normals.data) - - // Update bounds - this.bounds = [lo, hi] - - // Save intensity - this.intensity = params.intensity || this._field[2] - - if(this.intensityBounds[0] !== lo_intensity || this.intensityBounds[1] !== hi_intensity) { - levelsChanged = true - } - - // Save intensity bound - this.intensityBounds = [lo_intensity, hi_intensity] - } - - // Update level crossings - if ('levels' in params) { - var levels = params.levels - if (!Array.isArray(levels[0])) { - levels = [ [], [], levels ] - } else { - levels = levels.slice() - } - for (i = 0; i < 3; ++i) { - levels[i] = levels[i].slice() - levels.sort(function (a, b) { - return a - b - }) - } - change_test: - for (i = 0; i < 3; ++i) { - if (levels[i].length !== this.contourLevels[i].length) { - levelsChanged = true - break - } - for (j = 0; j < levels[i].length; ++j) { - if (levels[i][j] !== this.contourLevels[i][j]) { - levelsChanged = true - break change_test - } - } - } - this.contourLevels = levels - } - - if (levelsChanged) { - fields = this._field - shape = this.shape - - // Update contour lines - var contourVerts = [] - - for (var dim = 0; dim < 3; ++dim) { - levels = this.contourLevels[dim] - var levelOffsets = [] - var levelCounts = [] - - var parts = [0, 0, 0] - - for (i = 0; i < levels.length; ++i) { - var graph = surfaceNets(this._field[dim], levels[i]) - levelOffsets.push((contourVerts.length / 5) | 0) - vertexCount = 0 - - edge_loop: - for (j = 0; j < graph.cells.length; ++j) { - var e = graph.cells[j] - for (k = 0; k < 2; ++k) { - var p = graph.positions[e[k]] - - var x = p[0] - var ix = Math.floor(x) | 0 - var fx = x - ix - - var y = p[1] - var iy = Math.floor(y) | 0 - var fy = y - iy - - var hole = false - dd_loop: - for (var dd = 0; dd < 3; ++dd) { - parts[dd] = 0.0 - var iu = (dim + dd + 1) % 3 - for (dx = 0; dx < 2; ++dx) { - var s = dx ? fx : 1.0 - fx - r = Math.min(Math.max(ix + dx, 0), shape[0]) | 0 - for (dy = 0; dy < 2; ++dy) { - var t = dy ? fy : 1.0 - fy - c = Math.min(Math.max(iy + dy, 0), shape[1]) | 0 - - if (dd < 2) { - f = this._field[iu].get(r, c) - } else { - f = (this.intensity.get(r, c) - this.intensityBounds[0]) / (this.intensityBounds[1] - this.intensityBounds[0]) - } - if (!isFinite(f) || isNaN(f)) { - hole = true - break dd_loop - } - - var w = s * t - parts[dd] += w * f - } - } - } - - if (!hole) { - contourVerts.push(parts[0], parts[1], p[0], p[1], parts[2]) - vertexCount += 1 - } else { - if (k > 0) { - // If we already added first edge, pop off verts - for (var l = 0; l < 5; ++l) { - contourVerts.pop() - } - vertexCount -= 1 - } - continue edge_loop - } - } - } - levelCounts.push(vertexCount) - } - - // Store results - this._contourOffsets[dim] = levelOffsets - this._contourCounts[dim] = levelCounts - } - - var floatBuffer = pool.mallocFloat(contourVerts.length) - for (i = 0; i < contourVerts.length; ++i) { - floatBuffer[i] = contourVerts[i] - } - this._contourBuffer.update(floatBuffer) - pool.freeFloat(floatBuffer) - } - - if (params.colormap) { - this._colorMap.setPixels(genColormap(params.colormap)) - } -} - -proto.dispose = function () { - this._shader.dispose() - this._vao.dispose() - this._coordinateBuffer.dispose() - this._colorMap.dispose() - this._contourBuffer.dispose() - this._contourVAO.dispose() - this._contourShader.dispose() - this._contourPickShader.dispose() - this._dynamicBuffer.dispose() - this._dynamicVAO.dispose() - for (var i = 0; i < 3; ++i) { - pool.freeFloat(this._field[i].data) - } -} - -proto.highlight = function (selection) { - if (!selection) { - this._dynamicCounts = [0, 0, 0] - this.dyanamicLevel = [NaN, NaN, NaN] - this.highlightLevel = [-1, -1, -1] - return - } - - for (var i = 0; i < 3; ++i) { - if (this.enableHighlight[i]) { - this.highlightLevel[i] = selection.level[i] - } else { - this.highlightLevel[i] = -1 - } - } - - var levels - if (this.snapToData) { - levels = selection.dataCoordinate - } else { - levels = selection.position - } - if ((!this.enableDynamic[0] || levels[0] === this.dynamicLevel[0]) && - (!this.enableDynamic[1] || levels[1] === this.dynamicLevel[1]) && - (!this.enableDynamic[2] || levels[2] === this.dynamicLevel[2])) { - return - } - - var vertexCount = 0 - var shape = this.shape - var scratchBuffer = pool.mallocFloat(12 * shape[0] * shape[1]) - - for (var d = 0; d < 3; ++d) { - if (!this.enableDynamic[d]) { - this.dynamicLevel[d] = NaN - this._dynamicCounts[d] = 0 - continue - } - - this.dynamicLevel[d] = levels[d] - - var u = (d + 1) % 3 - var v = (d + 2) % 3 - - var f = this._field[d] - var g = this._field[u] - var h = this._field[v] - var intensity = this.intensity - - var graph = surfaceNets(f, levels[d]) - var edges = graph.cells - var positions = graph.positions - - this._dynamicOffsets[d] = vertexCount - - for (i = 0; i < edges.length; ++i) { - var e = edges[i] - for (var j = 0; j < 2; ++j) { - var p = positions[e[j]] - - var x = +p[0] - var ix = x | 0 - var jx = Math.min(ix + 1, shape[0]) | 0 - var fx = x - ix - var hx = 1.0 - fx - - var y = +p[1] - var iy = y | 0 - var jy = Math.min(iy + 1, shape[1]) | 0 - var fy = y - iy - var hy = 1.0 - fy - - var w00 = hx * hy - var w01 = hx * fy - var w10 = fx * hy - var w11 = fx * fy - - var cu = w00 * g.get(ix, iy) + - w01 * g.get(ix, jy) + - w10 * g.get(jx, iy) + - w11 * g.get(jx, jy) - - var cv = w00 * h.get(ix, iy) + - w01 * h.get(ix, jy) + - w10 * h.get(jx, iy) + - w11 * h.get(jx, jy) - - if (isNaN(cu) || isNaN(cv)) { - if (j) { - vertexCount -= 1 - } - break - } - - scratchBuffer[2 * vertexCount + 0] = cu - scratchBuffer[2 * vertexCount + 1] = cv - - vertexCount += 1 - } - } - - this._dynamicCounts[d] = vertexCount - this._dynamicOffsets[d] - } - - this._dynamicBuffer.update(scratchBuffer.subarray(0, 2 * vertexCount)) - pool.freeFloat(scratchBuffer) -} - -function createSurfacePlot (params) { - var gl = params.gl - var shader = createShader(gl) - var pickShader = createPickShader(gl) - var contourShader = createContourShader(gl) - var contourPickShader = createPickContourShader(gl) - - var coordinateBuffer = createBuffer(gl) - var vao = createVAO(gl, [ - { buffer: coordinateBuffer, - size: 4, - stride: SURFACE_VERTEX_SIZE, - offset: 0 - }, - { buffer: coordinateBuffer, - size: 3, - stride: SURFACE_VERTEX_SIZE, - offset: 16 - }, - { - buffer: coordinateBuffer, - size: 3, - stride: SURFACE_VERTEX_SIZE, - offset: 28 - } - ]) - - var contourBuffer = createBuffer(gl) - var contourVAO = createVAO(gl, [ - { - buffer: contourBuffer, - size: 4, - stride: 20, - offset: 0 - }, - { - buffer: contourBuffer, - size: 1, - stride: 20, - offset: 16 - } - ]) - - var dynamicBuffer = createBuffer(gl) - var dynamicVAO = createVAO(gl, [ - { - buffer: dynamicBuffer, - size: 2, - type: gl.FLOAT - }]) - - var cmap = createTexture(gl, 1, N_COLORS, gl.RGBA, gl.UNSIGNED_BYTE) - cmap.minFilter = gl.LINEAR - cmap.magFilter = gl.LINEAR - - var surface = new SurfacePlot( - gl, - [0, 0], - [[0, 0, 0], [0, 0, 0]], - shader, - pickShader, - coordinateBuffer, - vao, - cmap, - contourShader, - contourPickShader, - contourBuffer, - contourVAO, - dynamicBuffer, - dynamicVAO - ) - - var nparams = { - levels: [[], [], []] - } - for (var id in params) { - nparams[id] = params[id] - } - nparams.colormap = nparams.colormap || 'jet' - - surface.update(nparams) - - return surface -} +proto.query = function(x, y, radius) { + if(!this.gl) { + return null + } -},{"./lib/shaders":253,"binary-search-bounds":70,"bit-twiddle":71,"colormap":105,"gl-buffer":165,"gl-mat4/invert":186,"gl-mat4/multiply":188,"gl-texture2d":255,"gl-vao":259,"ndarray":458,"ndarray-gradient":449,"ndarray-ops":452,"ndarray-pack":453,"surface-nets":540,"typedarray-pool":554}],255:[function(require,module,exports){ -'use strict' + var shape = this.fbo.shape.slice() -var ndarray = require('ndarray') -var ops = require('ndarray-ops') -var pool = require('typedarray-pool') + x = x|0 + y = y|0 + if(typeof radius !== 'number') { + radius = 1.0 + } -module.exports = createTexture2D + var x0 = Math.min(Math.max(x - radius, 0), shape[0])|0 + var x1 = Math.min(Math.max(x + radius, 0), shape[0])|0 + var y0 = Math.min(Math.max(y - radius, 0), shape[1])|0 + var y1 = Math.min(Math.max(y + radius, 0), shape[1])|0 -var linearTypes = null -var filterTypes = null -var wrapTypes = null + if(x1 <= x0 || y1 <= y0) { + return null + } -function lazyInitLinearTypes(gl) { - linearTypes = [ - gl.LINEAR, - gl.NEAREST_MIPMAP_LINEAR, - gl.LINEAR_MIPMAP_NEAREST, - gl.LINEAR_MIPMAP_NEAREST - ] - filterTypes = [ - gl.NEAREST, - gl.LINEAR, - gl.NEAREST_MIPMAP_NEAREST, - gl.NEAREST_MIPMAP_LINEAR, - gl.LINEAR_MIPMAP_NEAREST, - gl.LINEAR_MIPMAP_LINEAR - ] - wrapTypes = [ - gl.REPEAT, - gl.CLAMP_TO_EDGE, - gl.MIRRORED_REPEAT - ] -} + var dims = [x1-x0,y1-y0] + var region = ndarray( + this.buffer, + [dims[0], dims[1], 4], + [4, shape[0]*4, 1], + 4*(x0 + shape[0]*y0)); -function acceptTextureDOM (obj) { - return ( - ('undefined' != typeof HTMLCanvasElement && obj instanceof HTMLCanvasElement) || - ('undefined' != typeof HTMLImageElement && obj instanceof HTMLImageElement) || - ('undefined' != typeof HTMLVideoElement && obj instanceof HTMLVideoElement) || - ('undefined' != typeof ImageData && obj instanceof ImageData)) -} + var closest = selectRange(region.hi(dims[0],dims[1],1), radius, radius) + var dx = closest[0] + var dy = closest[1] + if(dx < 0 || Math.pow(this.radius, 2) < closest[2]) { + return null + } -var convertFloatToUint8 = function(out, inp) { - ops.muls(out, inp, 255.0) + var c0 = region.get(dx, dy, 0) + var c1 = region.get(dx, dy, 1) + var c2 = region.get(dx, dy, 2) + var c3 = region.get(dx, dy, 3) + + return new SelectResult( + (dx + x0)|0, + (dy + y0)|0, + c0, + [c1, c2, c3], + Math.sqrt(closest[2])) } -function reshapeTexture(tex, w, h) { - var gl = tex.gl - var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(w < 0 || w > maxSize || h < 0 || h > maxSize) { - throw new Error('gl-texture2d: Invalid texture size') +proto.dispose = function() { + if(!this.gl) { + return + } + this.fbo.dispose() + pool.free(this.buffer) + this.gl = null + if(this._readTimeout) { + clearTimeout(this._readTimeout) } - tex._shape = [w, h] - tex.bind() - gl.texImage2D(gl.TEXTURE_2D, 0, tex.format, w, h, 0, tex.format, tex.type, null) - tex._mipLevels = [0] - return tex } -function Texture2D(gl, handle, width, height, format, type) { - this.gl = gl - this.handle = handle - this.format = format - this.type = type - this._shape = [width, height] - this._mipLevels = [0] - this._magFilter = gl.NEAREST - this._minFilter = gl.NEAREST - this._wrapS = gl.CLAMP_TO_EDGE - this._wrapT = gl.CLAMP_TO_EDGE - this._anisoSamples = 1 +function createSelectBuffer(gl, shape) { + var fbo = createFBO(gl, shape) + var buffer = pool.mallocUint8(shape[0]*shape[1]*4) + return new SelectBuffer(gl, fbo, buffer) +} - var parent = this - var wrapVector = [this._wrapS, this._wrapT] - Object.defineProperties(wrapVector, [ - { - get: function() { - return parent._wrapS - }, - set: function(v) { - return parent.wrapS = v - } - }, - { - get: function() { - return parent._wrapT - }, - set: function(v) { - return parent.wrapT = v - } - } - ]) - this._wrapVector = wrapVector +},{"bit-twiddle":71,"cwise/lib/wrapper":119,"gl-fbo":171,"ndarray":458,"typedarray-pool":554}],243:[function(require,module,exports){ +'use strict' - var shapeVector = [this._shape[0], this._shape[1]] - Object.defineProperties(shapeVector, [ - { - get: function() { - return parent._shape[0] - }, - set: function(v) { - return parent.width = v - } - }, - { - get: function() { - return parent._shape[1] - }, - set: function(v) { - return parent.height = v - } - } - ]) - this._shapeVector = shapeVector -} +var createUniformWrapper = require('./lib/create-uniforms') +var createAttributeWrapper = require('./lib/create-attributes') +var makeReflect = require('./lib/reflect') +var shaderCache = require('./lib/shader-cache') +var runtime = require('./lib/runtime-reflect') +var GLError = require("./lib/GLError") -var proto = Texture2D.prototype +//Shader object +function Shader(gl) { + this.gl = gl -Object.defineProperties(proto, { - minFilter: { - get: function() { - return this._minFilter - }, - set: function(v) { - this.bind() - var gl = this.gl - if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { - if(!gl.getExtension('OES_texture_float_linear')) { - v = gl.NEAREST - } - } - if(filterTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown filter mode ' + v) - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, v) - return this._minFilter = v - } - }, - magFilter: { - get: function() { - return this._magFilter - }, - set: function(v) { - this.bind() - var gl = this.gl - if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { - if(!gl.getExtension('OES_texture_float_linear')) { - v = gl.NEAREST - } - } - if(filterTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown filter mode ' + v) - } - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, v) - return this._magFilter = v - } - }, - mipSamples: { - get: function() { - return this._anisoSamples - }, - set: function(i) { - var psamples = this._anisoSamples - this._anisoSamples = Math.max(i, 1)|0 - if(psamples !== this._anisoSamples) { - var ext = this.gl.getExtension('EXT_texture_filter_anisotropic') - if(ext) { - this.gl.texParameterf(this.gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, this._anisoSamples) - } - } - return this._anisoSamples - } - }, - wrapS: { - get: function() { - return this._wrapS - }, - set: function(v) { - this.bind() - if(wrapTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown wrap mode ' + v) - } - this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, v) - return this._wrapS = v - } - }, - wrapT: { - get: function() { - return this._wrapT - }, - set: function(v) { - this.bind() - if(wrapTypes.indexOf(v) < 0) { - throw new Error('gl-texture2d: Unknown wrap mode ' + v) - } - this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, v) - return this._wrapT = v - } - }, - wrap: { - get: function() { - return this._wrapVector - }, - set: function(v) { - if(!Array.isArray(v)) { - v = [v,v] - } - if(v.length !== 2) { - throw new Error('gl-texture2d: Must specify wrap mode for rows and columns') - } - for(var i=0; i<2; ++i) { - if(wrapTypes.indexOf(v[i]) < 0) { - throw new Error('gl-texture2d: Unknown wrap mode ' + v) - } - } - this._wrapS = v[0] - this._wrapT = v[1] + //Default initialize these to null + this._vref = + this._fref = + this._relink = + this.vertShader = + this.fragShader = + this.program = + this.attributes = + this.uniforms = + this.types = null +} - var gl = this.gl - this.bind() - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, this._wrapS) - gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, this._wrapT) +var proto = Shader.prototype - return v - } - }, - shape: { - get: function() { - return this._shapeVector - }, - set: function(x) { - if(!Array.isArray(x)) { - x = [x|0,x|0] - } else { - if(x.length !== 2) { - throw new Error('gl-texture2d: Invalid texture shape') - } - } - reshapeTexture(this, x[0]|0, x[1]|0) - return [x[0]|0, x[1]|0] - } - }, - width: { - get: function() { - return this._shape[0] - }, - set: function(w) { - w = w|0 - reshapeTexture(this, w, this._shape[1]) - return w - } - }, - height: { - get: function() { - return this._shape[1] - }, - set: function(h) { - h = h|0 - reshapeTexture(this, this._shape[0], h) - return h - } +proto.bind = function() { + if(!this.program) { + this._relink() } -}) + this.gl.useProgram(this.program) +} -proto.bind = function(unit) { - var gl = this.gl - if(unit !== undefined) { - gl.activeTexture(gl.TEXTURE0 + (unit|0)) +proto.dispose = function() { + if(this._fref) { + this._fref.dispose() } - gl.bindTexture(gl.TEXTURE_2D, this.handle) - if(unit !== undefined) { - return (unit|0) + if(this._vref) { + this._vref.dispose() } - return gl.getParameter(gl.ACTIVE_TEXTURE) - gl.TEXTURE0 + this.attributes = + this.types = + this.vertShader = + this.fragShader = + this.program = + this._relink = + this._fref = + this._vref = null } -proto.dispose = function() { - this.gl.deleteTexture(this.handle) +function compareAttributes(a, b) { + if(a.name < b.name) { + return -1 + } + return 1 } -proto.generateMipmap = function() { - this.bind() - this.gl.generateMipmap(this.gl.TEXTURE_2D) +//Update export hook for glslify-live +proto.update = function( + vertSource + , fragSource + , uniforms + , attributes) { - //Update mip levels - var l = Math.min(this._shape[0], this._shape[1]) - for(var i=0; l>0; ++i, l>>>=1) { - if(this._mipLevels.indexOf(i) < 0) { - this._mipLevels.push(i) - } + //If only one object passed, assume glslify style output + if(!fragSource || arguments.length === 1) { + var obj = vertSource + vertSource = obj.vertex + fragSource = obj.fragment + uniforms = obj.uniforms + attributes = obj.attributes } -} -proto.setPixels = function(data, x_off, y_off, mip_level) { - var gl = this.gl - this.bind() - if(Array.isArray(x_off)) { - mip_level = y_off - y_off = x_off[1]|0 - x_off = x_off[0]|0 - } else { - x_off = x_off || 0 - y_off = y_off || 0 + var wrapper = this + var gl = wrapper.gl + + //Compile vertex and fragment shaders + var pvref = wrapper._vref + wrapper._vref = shaderCache.shader(gl, gl.VERTEX_SHADER, vertSource) + if(pvref) { + pvref.dispose() } - mip_level = mip_level || 0 - var directData = acceptTextureDOM(data) ? data : data.raw - if(directData) { - var needsMip = this._mipLevels.indexOf(mip_level) < 0 - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.format, this.type, directData) - this._mipLevels.push(mip_level) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, this.format, this.type, directData) - } - } else if(data.shape && data.stride && data.data) { - if(data.shape.length < 2 || - x_off + data.shape[1] > this._shape[1]>>>mip_level || - y_off + data.shape[0] > this._shape[0]>>>mip_level || - x_off < 0 || - y_off < 0) { - throw new Error('gl-texture2d: Texture dimensions are out of bounds') - } - texSubImageArray(gl, x_off, y_off, mip_level, this.format, this.type, this._mipLevels, data) - } else { - throw new Error('gl-texture2d: Unsupported data type') + wrapper.vertShader = wrapper._vref.shader + var pfref = this._fref + wrapper._fref = shaderCache.shader(gl, gl.FRAGMENT_SHADER, fragSource) + if(pfref) { + pfref.dispose() } -} - + wrapper.fragShader = wrapper._fref.shader -function isPacked(shape, stride) { - if(shape.length === 3) { - return (stride[2] === 1) && - (stride[1] === shape[0]*shape[2]) && - (stride[0] === shape[2]) - } - return (stride[0] === 1) && - (stride[1] === shape[0]) -} + //If uniforms/attributes is not specified, use RT reflection + if(!uniforms || !attributes) { -function texSubImageArray(gl, x_off, y_off, mip_level, cformat, ctype, mipLevels, array) { - var dtype = array.dtype - var shape = array.shape.slice() - if(shape.length < 2 || shape.length > 3) { - throw new Error('gl-texture2d: Invalid ndarray, must be 2d or 3d') - } - var type = 0, format = 0 - var packed = isPacked(shape, array.stride.slice()) - if(dtype === 'float32') { - type = gl.FLOAT - } else if(dtype === 'float64') { - type = gl.FLOAT - packed = false - dtype = 'float32' - } else if(dtype === 'uint8') { - type = gl.UNSIGNED_BYTE - } else { - type = gl.UNSIGNED_BYTE - packed = false - dtype = 'uint8' - } - var channels = 1 - if(shape.length === 2) { - format = gl.LUMINANCE - shape = [shape[0], shape[1], 1] - array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) - } else if(shape.length === 3) { - if(shape[2] === 1) { - format = gl.ALPHA - } else if(shape[2] === 2) { - format = gl.LUMINANCE_ALPHA - } else if(shape[2] === 3) { - format = gl.RGB - } else if(shape[2] === 4) { - format = gl.RGBA - } else { - throw new Error('gl-texture2d: Invalid shape for pixel coords') + //Create initial test program + var testProgram = gl.createProgram() + gl.attachShader(testProgram, wrapper.fragShader) + gl.attachShader(testProgram, wrapper.vertShader) + gl.linkProgram(testProgram) + if(!gl.getProgramParameter(testProgram, gl.LINK_STATUS)) { + var errLog = gl.getProgramInfoLog(testProgram) + throw new GLError(errLog, 'Error linking program:' + errLog) } - channels = shape[2] - } else { - throw new Error('gl-texture2d: Invalid shape for texture') - } - //For 1-channel textures allow conversion between formats - if((format === gl.LUMINANCE || format === gl.ALPHA) && - (cformat === gl.LUMINANCE || cformat === gl.ALPHA)) { - format = cformat - } - if(format !== cformat) { - throw new Error('gl-texture2d: Incompatible texture format for setPixels') - } - var size = array.size - var needsMip = mipLevels.indexOf(mip_level) < 0 - if(needsMip) { - mipLevels.push(mip_level) + + //Load data from runtime + uniforms = uniforms || runtime.uniforms(gl, testProgram) + attributes = attributes || runtime.attributes(gl, testProgram) + + //Release test program + gl.deleteProgram(testProgram) } - if(type === ctype && packed) { - //Array data types are compatible, can directly copy into texture - if(array.offset === 0 && array.data.length === size) { - if(needsMip) { - gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, array.data) - } else { - gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, array.data) + + //Sort attributes lexicographically + // overrides undefined WebGL behavior for attribute locations + attributes = attributes.slice() + attributes.sort(compareAttributes) + + //Convert attribute types, read out locations + var attributeUnpacked = [] + var attributeNames = [] + var attributeLocations = [] + for(var i=0; i= 0) { + var size = attr.type.charAt(attr.type.length-1)|0 + var locVector = new Array(size) + for(var j=0; j maxTextureSize || height < 0 || height > maxTextureSize) { - throw new Error('gl-texture2d: Invalid texture shape') - } - if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { - throw new Error('gl-texture2d: Floating point textures not supported on this platform') + //For all unspecified attributes, assign them lexicographically min attribute + var curLocation = 0 + for(var i=0; i= 0) { + curLocation += 1 + } + attributeLocations[i] = curLocation + } } - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, format, type, null) - return new Texture2D(gl, tex, width, height, format, type) -} -function createTextureDOM(gl, directData, width, height, format, type) { - var tex = initTexture(gl) - gl.texImage2D(gl.TEXTURE_2D, 0, format, format, type, directData) - return new Texture2D(gl, tex, width, height, format, type) -} + //Rebuild program and recompute all uniform locations + var uniformLocations = new Array(uniforms.length) + function relink() { + wrapper.program = shaderCache.program( + gl + , wrapper._vref + , wrapper._fref + , attributeNames + , attributeLocations) -//Creates a texture from an ndarray -function createTextureArray(gl, array) { - var dtype = array.dtype - var shape = array.shape.slice() - var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) - if(shape[0] < 0 || shape[0] > maxSize || shape[1] < 0 || shape[1] > maxSize) { - throw new Error('gl-texture2d: Invalid texture size') - } - var packed = isPacked(shape, array.stride.slice()) - var type = 0 - if(dtype === 'float32') { - type = gl.FLOAT - } else if(dtype === 'float64') { - type = gl.FLOAT - packed = false - dtype = 'float32' - } else if(dtype === 'uint8') { - type = gl.UNSIGNED_BYTE - } else { - type = gl.UNSIGNED_BYTE - packed = false - dtype = 'uint8' - } - var format = 0 - if(shape.length === 2) { - format = gl.LUMINANCE - shape = [shape[0], shape[1], 1] - array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) - } else if(shape.length === 3) { - if(shape[2] === 1) { - format = gl.ALPHA - } else if(shape[2] === 2) { - format = gl.LUMINANCE_ALPHA - } else if(shape[2] === 3) { - format = gl.RGB - } else if(shape[2] === 4) { - format = gl.RGBA - } else { - throw new Error('gl-texture2d: Invalid shape for pixel coords') - } - } else { - throw new Error('gl-texture2d: Invalid shape for texture') - } - if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { - type = gl.UNSIGNED_BYTE - packed = false - } - var buffer, buf_store - var size = array.size - if(!packed) { - var stride = [shape[2], shape[2]*shape[0], 1] - buf_store = pool.malloc(size, dtype) - var buf_array = ndarray(buf_store, shape, stride, 0) - if((dtype === 'float32' || dtype === 'float64') && type === gl.UNSIGNED_BYTE) { - convertFloatToUint8(buf_array, array) - } else { - ops.assign(buf_array, array) + for(var i=0; i nattribs) { - throw new Error("gl-vao: Too many vertex attributes") - } - for(var i=0; i 0) { - //TODO: evaluate use of glm_invsqrt here? - len = 1 / Math.sqrt(len) - out[0] = a[0] * len - out[1] = a[1] * len - out[2] = a[2] * len - } - return out +function AxisSpikes(gl, buffer, vao, shader) { + this.gl = gl + this.buffer = buffer + this.vao = vao + this.shader = shader + this.pixelRatio = 1 + this.bounds = [[-1000,-1000,-1000], [1000,1000,1000]] + this.position = [0,0,0] + this.lineWidth = [2,2,2] + this.colors = [[0,0,0,1], [0,0,0,1], [0,0,0,1]] + this.enabled = [true,true,true] + this.drawSides = [true,true,true] + this.axes = null } -},{}],265:[function(require,module,exports){ -module.exports = transformMat4 -/** - * Transforms the vec4 with a mat4. - * - * @param {vec4} out the receiving vector - * @param {vec4} a the vector to transform - * @param {mat4} m matrix to transform with - * @returns {vec4} out - */ -function transformMat4 (out, a, m) { - var x = a[0], y = a[1], z = a[2], w = a[3] - out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w - out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w - out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w - out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w - return out -} +var proto = AxisSpikes.prototype -},{}],266:[function(require,module,exports){ -module.exports = decodeFloat +var OUTER_FACE = [0,0,0] +var INNER_FACE = [0,0,0] -var UINT8_VIEW = new Uint8Array(4) -var FLOAT_VIEW = new Float32Array(UINT8_VIEW.buffer) +var SHAPE = [0,0] -function decodeFloat(x, y, z, w) { - UINT8_VIEW[0] = w - UINT8_VIEW[1] = z - UINT8_VIEW[2] = y - UINT8_VIEW[3] = x - return FLOAT_VIEW[0] +proto.isTransparent = function() { + return false } -},{}],267:[function(require,module,exports){ -var tokenize = require('glsl-tokenizer') -var atob = require('atob-lite') - -module.exports = getName +proto.drawTransparent = function(camera) {} -function getName(src) { - var tokens = Array.isArray(src) - ? src - : tokenize(src) +proto.draw = function(camera) { + var gl = this.gl + var vao = this.vao + var shader = this.shader - for (var i = 0; i < tokens.length; i++) { - var token = tokens[i] - if (token.type !== 'preprocessor') continue - var match = token.data.match(/\#define\s+SHADER_NAME(_B64)?\s+(.+)$/) - if (!match) continue - if (!match[2]) continue + vao.bind() + shader.bind() - var b64 = match[1] - var name = match[2] + var model = camera.model || identity + var view = camera.view || identity + var projection = camera.projection || identity - return (b64 ? atob(name) : name).trim() + var axis + if(this.axes) { + axis = this.axes.lastCubeProps.axis } -} -},{"atob-lite":52,"glsl-tokenizer":274}],268:[function(require,module,exports){ -module.exports = tokenize + var outerFace = OUTER_FACE + var innerFace = INNER_FACE + for(var i=0; i<3; ++i) { + if(axis && axis[i] < 0) { + outerFace[i] = this.bounds[0][i] + innerFace[i] = this.bounds[1][i] + } else { + outerFace[i] = this.bounds[1][i] + innerFace[i] = this.bounds[0][i] + } + } -var literals100 = require('./lib/literals') - , operators = require('./lib/operators') - , builtins100 = require('./lib/builtins') - , literals300es = require('./lib/literals-300es') - , builtins300es = require('./lib/builtins-300es') + SHAPE[0] = gl.drawingBufferWidth + SHAPE[1] = gl.drawingBufferHeight -var NORMAL = 999 // <-- never emitted - , TOKEN = 9999 // <-- never emitted - , BLOCK_COMMENT = 0 - , LINE_COMMENT = 1 - , PREPROCESSOR = 2 - , OPERATOR = 3 - , INTEGER = 4 - , FLOAT = 5 - , IDENT = 6 - , BUILTIN = 7 - , KEYWORD = 8 - , WHITESPACE = 9 - , EOF = 10 - , HEX = 11 + shader.uniforms.model = model + shader.uniforms.view = view + shader.uniforms.projection = projection + shader.uniforms.coordinates = [this.position, outerFace, innerFace] + shader.uniforms.colors = this.colors + shader.uniforms.screenShape = SHAPE -var map = [ - 'block-comment' - , 'line-comment' - , 'preprocessor' - , 'operator' - , 'integer' - , 'float' - , 'ident' - , 'builtin' - , 'keyword' - , 'whitespace' - , 'eof' - , 'integer' -] + for(var i=0; i<3; ++i) { + shader.uniforms.lineWidth = this.lineWidth[i] * this.pixelRatio + if(this.enabled[i]) { + vao.draw(gl.TRIANGLES, 6, 6*i) + if(this.drawSides[i]) { + vao.draw(gl.TRIANGLES, 12, 18+12*i) + } + } + } -function tokenize(opt) { - var i = 0 - , total = 0 - , mode = NORMAL - , c - , last - , content = [] - , tokens = [] - , token_idx = 0 - , token_offs = 0 - , line = 1 - , col = 0 - , start = 0 - , isnum = false - , isoperator = false - , input = '' - , len + vao.unbind() +} - opt = opt || {} - var allBuiltins = builtins100 - var allLiterals = literals100 - if (opt.version === '300 es') { - allBuiltins = builtins300es - allLiterals = literals300es +proto.update = function(options) { + if(!options) { + return } - - return function(data) { - tokens = [] - if (data !== null) return write(data.replace ? data.replace(/\r\n/g, '\n') : data) - return end() + if("bounds" in options) { + this.bounds = options.bounds } - - function token(data) { - if (data.length) { - tokens.push({ - type: map[mode] - , data: data - , position: start - , line: line - , column: col - }) - } + if("position" in options) { + this.position = options.position } + if("lineWidth" in options) { + this.lineWidth = options.lineWidth + } + if("colors" in options) { + this.colors = options.colors + } + if("enabled" in options) { + this.enabled = options.enabled + } + if("drawSides" in options) { + this.drawSides = options.drawSides + } +} - function write(chunk) { - i = 0 - input += chunk - len = input.length - - var last +proto.dispose = function() { + this.vao.dispose() + this.buffer.dispose() + this.shader.dispose() +} - while(c = input[i], i < len) { - last = i - switch(mode) { - case BLOCK_COMMENT: i = block_comment(); break - case LINE_COMMENT: i = line_comment(); break - case PREPROCESSOR: i = preprocessor(); break - case OPERATOR: i = operator(); break - case INTEGER: i = integer(); break - case HEX: i = hex(); break - case FLOAT: i = decimal(); break - case TOKEN: i = readtoken(); break - case WHITESPACE: i = whitespace(); break - case NORMAL: i = normal(); break - } - if(last !== i) { - switch(input[last]) { - case '\n': col = 0; ++line; break - default: ++col; break - } - } - } +function createSpikes(gl, options) { + //Create buffers + var data = [ ] - total += i - input = input.slice(i) - return tokens + function line(x,y,z,i,l,h) { + var row = [x,y,z, 0,0,0, 1] + row[i+3] = 1 + row[i] = l + data.push.apply(data, row) + row[6] = -1 + data.push.apply(data, row) + row[i] = h + data.push.apply(data, row) + data.push.apply(data, row) + row[6] = 1 + data.push.apply(data, row) + row[i] = l + data.push.apply(data, row) } - function end(chunk) { - if(content.length) { - token(content.join('')) - } + line(0,0,0, 0, 0, 1) + line(0,0,0, 1, 0, 1) + line(0,0,0, 2, 0, 1) - mode = EOF - token('(eof)') - return tokens - } + line(1,0,0, 1, -1,1) + line(1,0,0, 2, -1,1) - function normal() { - content = content.length ? [] : content + line(0,1,0, 0, -1,1) + line(0,1,0, 2, -1,1) - if(last === '/' && c === '*') { - start = total + i - 1 - mode = BLOCK_COMMENT - last = c - return i + 1 - } + line(0,0,1, 0, -1,1) + line(0,0,1, 1, -1,1) - if(last === '/' && c === '/') { - start = total + i - 1 - mode = LINE_COMMENT - last = c - return i + 1 - } + var buffer = createBuffer(gl, data) + var vao = createVAO(gl, [{ + type: gl.FLOAT, + buffer: buffer, + size: 3, + offset: 0, + stride: 28 + }, { + type: gl.FLOAT, + buffer: buffer, + size: 3, + offset: 12, + stride: 28 + }, { + type: gl.FLOAT, + buffer: buffer, + size: 1, + offset: 24, + stride: 28 + }]) - if(c === '#') { - mode = PREPROCESSOR - start = total + i - return i - } + //Create shader + var shader = createShader(gl) + shader.attributes.position.location = 0 + shader.attributes.color.location = 1 + shader.attributes.weight.location = 2 - if(/\s/.test(c)) { - mode = WHITESPACE - start = total + i - return i + //Create spike object + var spikes = new AxisSpikes(gl, buffer, vao, shader) + + //Set parameters + spikes.update(options) + + //Return resulting object + return spikes +} + +},{"./shaders/index":251,"gl-buffer":165,"gl-vao":259}],253:[function(require,module,exports){ +var createShader = require('gl-shader') + + +var vertSrc = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute vec3 f;\nattribute vec3 normal;\n\nuniform mat4 model, view, projection, inverseModel;\nuniform vec3 lightPosition, eyePosition;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n worldCoordinate = vec3(uv.zw, f.x);\n vec4 worldPosition = model * vec4(worldCoordinate, 1.0);\n vec4 clipPosition = projection * view * worldPosition;\n gl_Position = clipPosition;\n kill = f.y;\n value = f.z;\n planeCoordinate = uv.xy;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Lighting geometry parameters\n vec4 cameraCoordinate = view * worldPosition;\n cameraCoordinate.xyz /= cameraCoordinate.w;\n lightDirection = lightPosition - cameraCoordinate.xyz;\n eyeDirection = eyePosition - cameraCoordinate.xyz;\n surfaceNormal = normalize((vec4(normal,0) * inverseModel).xyz);\n}\n" +var fragSrc = "precision mediump float;\n#define GLSLIFY 1\n\nfloat beckmannDistribution_2_0(float x, float roughness) {\n float NdotH = max(x, 0.0001);\n float cos2Alpha = NdotH * NdotH;\n float tan2Alpha = (cos2Alpha - 1.0) / cos2Alpha;\n float roughness2 = roughness * roughness;\n float denom = 3.141592653589793 * roughness2 * cos2Alpha * cos2Alpha;\n return exp(tan2Alpha / roughness2) / denom;\n}\n\n\n\nfloat beckmannSpecular_1_1(\n vec3 lightDirection,\n vec3 viewDirection,\n vec3 surfaceNormal,\n float roughness) {\n return beckmannDistribution_2_0(dot(surfaceNormal, normalize(lightDirection + viewDirection)), roughness);\n}\n\n\n\nuniform vec3 lowerBound, upperBound;\nuniform float contourTint;\nuniform vec4 contourColor;\nuniform sampler2D colormap;\nuniform vec3 clipBounds[2];\nuniform float roughness, fresnel, kambient, kdiffuse, kspecular, opacity;\nuniform float vertexColor;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n if (kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n\n vec3 N = normalize(surfaceNormal);\n vec3 V = normalize(eyeDirection);\n vec3 L = normalize(lightDirection);\n\n if(gl_FrontFacing) {\n N = -N;\n }\n\n float specular = max(beckmannSpecular_1_1(L, V, N, roughness), 0.);\n float diffuse = min(kambient + kdiffuse * max(dot(N, L), 0.0), 1.0);\n\n //decide how to interpolate color — in vertex or in fragment\n vec4 surfaceColor = step(vertexColor, .5) * texture2D(colormap, vec2(value, value)) + step(.5, vertexColor) * vColor;\n\n vec4 litColor = surfaceColor.a * vec4(diffuse * surfaceColor.rgb + kspecular * vec3(1,1,1) * specular, 1.0);\n\n gl_FragColor = mix(litColor, contourColor, contourTint) * opacity;\n}\n" +var contourVertSrc = "precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute float f;\n\nuniform mat3 permutation;\nuniform mat4 model, view, projection;\nuniform float height, zOffset;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n vec3 dataCoordinate = permutation * vec3(uv.xy, height);\n vec4 worldPosition = model * vec4(dataCoordinate, 1.0);\n\n vec4 clipPosition = projection * view * worldPosition;\n clipPosition.z = clipPosition.z + zOffset;\n\n gl_Position = clipPosition;\n value = f;\n kill = -1.0;\n worldCoordinate = dataCoordinate;\n planeCoordinate = uv.zw;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Don't do lighting for contours\n surfaceNormal = vec3(1,0,0);\n eyeDirection = vec3(0,1,0);\n lightDirection = vec3(0,0,1);\n}\n" +var pickSrc = "precision mediump float;\n#define GLSLIFY 1\n\nuniform vec2 shape;\nuniform vec3 clipBounds[2];\nuniform float pickId;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 surfaceNormal;\n\nvec2 splitFloat(float v) {\n float vh = 255.0 * v;\n float upper = floor(vh);\n float lower = fract(vh);\n return vec2(upper / 255.0, floor(lower * 16.0) / 16.0);\n}\n\nvoid main() {\n if(kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n vec2 ux = splitFloat(planeCoordinate.x / shape.x);\n vec2 uy = splitFloat(planeCoordinate.y / shape.y);\n gl_FragColor = vec4(pickId, ux.x, uy.x, ux.y + (uy.y/16.0));\n}\n" + +exports.createShader = function (gl) { + var shader = createShader(gl, vertSrc, fragSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'vec3'}, + {name: 'normal', type: 'vec3'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + shader.attributes.normal.location = 2 + return shader +} +exports.createPickShader = function (gl) { + var shader = createShader(gl, vertSrc, pickSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'vec3'}, + {name: 'normal', type: 'vec3'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + shader.attributes.normal.location = 2 + return shader +} +exports.createContourShader = function (gl) { + var shader = createShader(gl, contourVertSrc, fragSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'float'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + return shader +} +exports.createPickContourShader = function (gl) { + var shader = createShader(gl, contourVertSrc, pickSrc, null, [ + {name: 'uv', type: 'vec4'}, + {name: 'f', type: 'float'} + ]) + shader.attributes.uv.location = 0 + shader.attributes.f.location = 1 + return shader +} + +},{"gl-shader":243}],254:[function(require,module,exports){ +'use strict' + +module.exports = createSurfacePlot + +var bits = require('bit-twiddle') +var createBuffer = require('gl-buffer') +var createVAO = require('gl-vao') +var createTexture = require('gl-texture2d') +var pool = require('typedarray-pool') +var colormap = require('colormap') +var ops = require('ndarray-ops') +var pack = require('ndarray-pack') +var ndarray = require('ndarray') +var surfaceNets = require('surface-nets') +var multiply = require('gl-mat4/multiply') +var invert = require('gl-mat4/invert') +var bsearch = require('binary-search-bounds') +var gradient = require('ndarray-gradient') +var shaders = require('./lib/shaders') + +var createShader = shaders.createShader +var createContourShader = shaders.createContourShader +var createPickShader = shaders.createPickShader +var createPickContourShader = shaders.createPickContourShader + +var SURFACE_VERTEX_SIZE = 4 * (4 + 3 + 3) + +var IDENTITY = [ + 1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, 0, + 0, 0, 0, 1 ] + +var QUAD = [ + [0, 0], + [0, 1], + [1, 0], + [1, 1], + [1, 0], + [0, 1] +] + +var PERMUTATIONS = [ + [0, 0, 0, 0, 0, 0, 0, 0, 0], + [0, 0, 0, 0, 0, 0, 0, 0, 0], + [0, 0, 0, 0, 0, 0, 0, 0, 0] +] + +;(function () { + for (var i = 0; i < 3; ++i) { + var p = PERMUTATIONS[i] + var u = (i + 1) % 3 + var v = (i + 2) % 3 + p[u + 0] = 1 + p[v + 3] = 1 + p[i + 6] = 1 + } +})() + +function SurfacePickResult (position, index, uv, level, dataCoordinate) { + this.position = position + this.index = index + this.uv = uv + this.level = level + this.dataCoordinate = dataCoordinate +} + +var N_COLORS = 256 + +function genColormap (name) { + var x = pack([colormap({ + colormap: name, + nshades: N_COLORS, + format: 'rgba' + }).map(function (c) { + return [c[0], c[1], c[2], 255 * c[3]] + })]) + ops.divseq(x, 255.0) + return x +} + +function SurfacePlot ( + gl, + shape, + bounds, + shader, + pickShader, + coordinates, + vao, + colorMap, + contourShader, + contourPickShader, + contourBuffer, + contourVAO, + dynamicBuffer, + dynamicVAO) { + this.gl = gl + this.shape = shape + this.bounds = bounds + this.intensityBounds = []; + + this._shader = shader + this._pickShader = pickShader + this._coordinateBuffer = coordinates + this._vao = vao + this._colorMap = colorMap + + this._contourShader = contourShader + this._contourPickShader = contourPickShader + this._contourBuffer = contourBuffer + this._contourVAO = contourVAO + this._contourOffsets = [[], [], []] + this._contourCounts = [[], [], []] + this._vertexCount = 0 + + this._pickResult = new SurfacePickResult([0, 0, 0], [0, 0], [0, 0], [0, 0, 0], [0, 0, 0]) + + this._dynamicBuffer = dynamicBuffer + this._dynamicVAO = dynamicVAO + this._dynamicOffsets = [0, 0, 0] + this._dynamicCounts = [0, 0, 0] + + this.contourWidth = [ 1, 1, 1 ] + this.contourLevels = [[1], [1], [1]] + this.contourTint = [0, 0, 0] + this.contourColor = [[0.5, 0.5, 0.5, 1], [0.5, 0.5, 0.5, 1], [0.5, 0.5, 0.5, 1]] + + this.showContour = true + this.showSurface = true + + this.enableHighlight = [true, true, true] + this.highlightColor = [[0, 0, 0, 1], [0, 0, 0, 1], [0, 0, 0, 1]] + this.highlightTint = [ 1, 1, 1 ] + this.highlightLevel = [-1, -1, -1] + + // Dynamic contour options + this.enableDynamic = [ true, true, true ] + this.dynamicLevel = [ NaN, NaN, NaN ] + this.dynamicColor = [ [0, 0, 0, 1], [0, 0, 0, 1], [0, 0, 0, 1] ] + this.dynamicTint = [ 1, 1, 1 ] + this.dynamicWidth = [ 1, 1, 1 ] + + this.axesBounds = [[Infinity, Infinity, Infinity], [-Infinity, -Infinity, -Infinity]] + this.surfaceProject = [ false, false, false ] + this.contourProject = [[ false, false, false ], + [ false, false, false ], + [ false, false, false ]] + + this.colorBounds = [ false, false ] + + // Store xyz fields, need this for picking + this._field = [ + ndarray(pool.mallocFloat(1024), [0, 0]), + ndarray(pool.mallocFloat(1024), [0, 0]), + ndarray(pool.mallocFloat(1024), [0, 0]) ] + + this.pickId = 1 + this.clipBounds = [[-Infinity, -Infinity, -Infinity], [Infinity, Infinity, Infinity]] + + this.snapToData = false + + this.opacity = 1.0 + + this.lightPosition = [10, 10000, 0] + this.ambientLight = 0.8 + this.diffuseLight = 0.8 + this.specularLight = 2.0 + this.roughness = 0.5 + this.fresnel = 1.5 + this.vertexColor = 0; + + this.dirty = true +} + +var proto = SurfacePlot.prototype + +proto.isTransparent = function () { + return this.opacity < 1 +} + +proto.isOpaque = function () { + if (this.opacity >= 1) { + return true + } + for (var i = 0; i < 3; ++i) { + if (this._contourCounts[i].length > 0 || this._dynamicCounts[i] > 0) { + return true } + } + return false +} - isnum = /\d/.test(c) - isoperator = /[^\w_]/.test(c) +proto.pickSlots = 1 - start = total + i - mode = isnum ? INTEGER : isoperator ? OPERATOR : TOKEN - return i +proto.setPickBase = function (id) { + this.pickId = id +} + +var ZERO_VEC = [0, 0, 0] + +var PROJECT_DATA = { + showSurface: false, + showContour: false, + projections: [IDENTITY.slice(), IDENTITY.slice(), IDENTITY.slice()], + clipBounds: [ + [[0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0]], + [[0, 0, 0], [0, 0, 0]]] +} + +function computeProjectionData (camera, obj) { + var i, j, k + + // Compute cube properties + var cubeAxis = (obj.axes && obj.axes.lastCubeProps.axis) || ZERO_VEC + + var showSurface = obj.showSurface + var showContour = obj.showContour + + for (i = 0; i < 3; ++i) { + showSurface = showSurface || obj.surfaceProject[i] + for (j = 0; j < 3; ++j) { + showContour = showContour || obj.contourProject[i][j] + } } - function whitespace() { - if(/[^\s]/g.test(c)) { - token(content.join('')) - mode = NORMAL - return i + for (i = 0; i < 3; ++i) { + // Construct projection onto axis + var axisSquish = PROJECT_DATA.projections[i] + for (j = 0; j < 16; ++j) { + axisSquish[j] = 0 } - content.push(c) - last = c - return i + 1 + for (j = 0; j < 4; ++j) { + axisSquish[5 * j] = 1 + } + axisSquish[5 * i] = 0 + axisSquish[12 + i] = obj.axesBounds[+(cubeAxis[i] > 0)][i] + multiply(axisSquish, camera.model, axisSquish) + + var nclipBounds = PROJECT_DATA.clipBounds[i] + for (k = 0; k < 2; ++k) { + for (j = 0; j < 3; ++j) { + nclipBounds[k][j] = camera.clipBounds[k][j] + } + } + nclipBounds[0][i] = -1e8 + nclipBounds[1][i] = 1e8 } - function preprocessor() { - if((c === '\r' || c === '\n') && last !== '\\') { - token(content.join('')) - mode = NORMAL - return i + PROJECT_DATA.showSurface = showSurface + PROJECT_DATA.showContour = showContour + + return PROJECT_DATA +} + +var UNIFORMS = { + model: IDENTITY, + view: IDENTITY, + projection: IDENTITY, + inverseModel: IDENTITY.slice(), + lowerBound: [0, 0, 0], + upperBound: [0, 0, 0], + colorMap: 0, + clipBounds: [[0, 0, 0], [0, 0, 0]], + height: 0.0, + contourTint: 0, + contourColor: [0, 0, 0, 1], + permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], + zOffset: -1e-4, + kambient: 1, + kdiffuse: 1, + kspecular: 1, + lightPosition: [1000, 1000, 1000], + eyePosition: [0, 0, 0], + roughness: 1, + fresnel: 1, + opacity: 1, + vertexColor: 0 +} + +var MATRIX_INVERSE = IDENTITY.slice() +var DEFAULT_PERM = [1, 0, 0, 0, 1, 0, 0, 0, 1] + +function drawCore (params, transparent) { + params = params || {} + var gl = this.gl + + gl.disable(gl.CULL_FACE) + + this._colorMap.bind(0) + + var uniforms = UNIFORMS + uniforms.model = params.model || IDENTITY + uniforms.view = params.view || IDENTITY + uniforms.projection = params.projection || IDENTITY + uniforms.lowerBound = [this.bounds[0][0], this.bounds[0][1], this.colorBounds[0] || this.bounds[0][2]] + uniforms.upperBound = [this.bounds[1][0], this.bounds[1][1], this.colorBounds[1] || this.bounds[1][2]] + uniforms.contourColor = this.contourColor[0] + + uniforms.inverseModel = invert(uniforms.inverseModel, uniforms.model) + + for (var i = 0; i < 2; ++i) { + var clipClamped = uniforms.clipBounds[i] + for (var j = 0; j < 3; ++j) { + clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) } - content.push(c) - last = c - return i + 1 } - function line_comment() { - return preprocessor() + uniforms.kambient = this.ambientLight + uniforms.kdiffuse = this.diffuseLight + uniforms.kspecular = this.specularLight + + uniforms.roughness = this.roughness + uniforms.fresnel = this.fresnel + uniforms.opacity = this.opacity + + uniforms.height = 0.0 + uniforms.permutation = DEFAULT_PERM + + uniforms.vertexColor = this.vertexColor + + // Compute camera matrix inverse + var invCameraMatrix = MATRIX_INVERSE + multiply(invCameraMatrix, uniforms.view, uniforms.model) + multiply(invCameraMatrix, uniforms.projection, invCameraMatrix) + invert(invCameraMatrix, invCameraMatrix) + + for (i = 0; i < 3; ++i) { + uniforms.eyePosition[i] = invCameraMatrix[12 + i] / invCameraMatrix[15] } - function block_comment() { - if(c === '/' && last === '*') { - content.push(c) - token(content.join('')) - mode = NORMAL - return i + 1 + var w = invCameraMatrix[15] + for (i = 0; i < 3; ++i) { + w += this.lightPosition[i] * invCameraMatrix[4 * i + 3] + } + for (i = 0; i < 3; ++i) { + var s = invCameraMatrix[12 + i] + for (j = 0; j < 3; ++j) { + s += invCameraMatrix[4 * j + i] * this.lightPosition[j] } + uniforms.lightPosition[i] = s / w + } - content.push(c) - last = c - return i + 1 + var projectData = computeProjectionData(uniforms, this) + + if (projectData.showSurface && (transparent === (this.opacity < 1))) { + // Set up uniforms + this._shader.bind() + this._shader.uniforms = uniforms + + // Draw it + this._vao.bind() + + if (this.showSurface && this._vertexCount) { + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + if (!this.surfaceProject[i] || !this.vertexCount) { + continue + } + this._shader.uniforms.model = projectData.projections[i] + this._shader.uniforms.clipBounds = projectData.clipBounds[i] + this._vao.draw(gl.TRIANGLES, this._vertexCount) + } + + this._vao.unbind() } - function operator() { - if(last === '.' && /\d/.test(c)) { - mode = FLOAT - return i + if (projectData.showContour && !transparent) { + var shader = this._contourShader + + // Don't apply lighting to contours + uniforms.kambient = 1.0 + uniforms.kdiffuse = 0.0 + uniforms.kspecular = 0.0 + uniforms.opacity = 1.0 + + shader.bind() + shader.uniforms = uniforms + + // Draw contour lines + var vao = this._contourVAO + vao.bind() + + // Draw contour levels + for (i = 0; i < 3; ++i) { + shader.uniforms.permutation = PERMUTATIONS[i] + gl.lineWidth(this.contourWidth[i]) + + for (j = 0; j < this.contourLevels[i].length; ++j) { + if (!this._contourCounts[i][j]) { + continue + } + if (j === this.highlightLevel[i]) { + shader.uniforms.contourColor = this.highlightColor[i] + shader.uniforms.contourTint = this.highlightTint[i] + } else if (j === 0 || (j - 1) === this.highlightLevel[i]) { + shader.uniforms.contourColor = this.contourColor[i] + shader.uniforms.contourTint = this.contourTint[i] + } + shader.uniforms.height = this.contourLevels[i][j] + vao.draw(gl.LINES, this._contourCounts[i][j], this._contourOffsets[i][j]) + } } - if(last === '/' && c === '*') { - mode = BLOCK_COMMENT - return i + // Draw projections of surface + for (i = 0; i < 3; ++i) { + shader.uniforms.model = projectData.projections[i] + shader.uniforms.clipBounds = projectData.clipBounds[i] + for (j = 0; j < 3; ++j) { + if (!this.contourProject[i][j]) { + continue + } + shader.uniforms.permutation = PERMUTATIONS[j] + gl.lineWidth(this.contourWidth[j]) + for (var k = 0; k < this.contourLevels[j].length; ++k) { + if (k === this.highlightLevel[j]) { + shader.uniforms.contourColor = this.highlightColor[j] + shader.uniforms.contourTint = this.highlightTint[j] + } else if (k === 0 || (k - 1) === this.highlightLevel[j]) { + shader.uniforms.contourColor = this.contourColor[j] + shader.uniforms.contourTint = this.contourTint[j] + } + shader.uniforms.height = this.contourLevels[j][k] + vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) + } + } } - if(last === '/' && c === '/') { - mode = LINE_COMMENT - return i + // Draw dynamic contours + vao = this._dynamicVAO + vao.bind() + + // Draw contour levels + for (i = 0; i < 3; ++i) { + if (this._dynamicCounts[i] === 0) { + continue + } + + shader.uniforms.model = uniforms.model + shader.uniforms.clipBounds = uniforms.clipBounds + shader.uniforms.permutation = PERMUTATIONS[i] + gl.lineWidth(this.dynamicWidth[i]) + + shader.uniforms.contourColor = this.dynamicColor[i] + shader.uniforms.contourTint = this.dynamicTint[i] + shader.uniforms.height = this.dynamicLevel[i] + vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) + + for (j = 0; j < 3; ++j) { + if (!this.contourProject[j][i]) { + continue + } + + shader.uniforms.model = projectData.projections[j] + shader.uniforms.clipBounds = projectData.clipBounds[j] + vao.draw(gl.LINES, this._dynamicCounts[i], this._dynamicOffsets[i]) + } } - if(c === '.' && content.length) { - while(determine_operator(content)); + vao.unbind() + } +} - mode = FLOAT - return i +proto.draw = function (params) { + return drawCore.call(this, params, false) +} + +proto.drawTransparent = function (params) { + return drawCore.call(this, params, true) +} + +var PICK_UNIFORMS = { + model: IDENTITY, + view: IDENTITY, + projection: IDENTITY, + inverseModel: IDENTITY, + clipBounds: [[0, 0, 0], [0, 0, 0]], + height: 0.0, + shape: [0, 0], + pickId: 0, + lowerBound: [0, 0, 0], + upperBound: [0, 0, 0], + zOffset: 0.0, + permutation: [1, 0, 0, 0, 1, 0, 0, 0, 1], + lightPosition: [0, 0, 0], + eyePosition: [0, 0, 0] +} + +proto.drawPick = function (params) { + params = params || {} + var gl = this.gl + gl.disable(gl.CULL_FACE) + + var uniforms = PICK_UNIFORMS + uniforms.model = params.model || IDENTITY + uniforms.view = params.view || IDENTITY + uniforms.projection = params.projection || IDENTITY + uniforms.shape = this._field[2].shape + uniforms.pickId = this.pickId / 255.0 + uniforms.lowerBound = this.bounds[0] + uniforms.upperBound = this.bounds[1] + uniforms.permutation = DEFAULT_PERM + + for (var i = 0; i < 2; ++i) { + var clipClamped = uniforms.clipBounds[i] + for (var j = 0; j < 3; ++j) { + clipClamped[j] = Math.min(Math.max(this.clipBounds[i][j], -1e8), 1e8) } + } - if(c === ';' || c === ')' || c === '(') { - if(content.length) while(determine_operator(content)); - token(c) - mode = NORMAL - return i + 1 + var projectData = computeProjectionData(uniforms, this) + + if (projectData.showSurface) { + // Set up uniforms + this._pickShader.bind() + this._pickShader.uniforms = uniforms + + // Draw it + this._vao.bind() + this._vao.draw(gl.TRIANGLES, this._vertexCount) + + // Draw projections of surface + for (i = 0; i < 3; ++i) { + if (!this.surfaceProject[i]) { + continue + } + this._pickShader.uniforms.model = projectData.projections[i] + this._pickShader.uniforms.clipBounds = projectData.clipBounds[i] + this._vao.draw(gl.TRIANGLES, this._vertexCount) } - var is_composite_operator = content.length === 2 && c !== '=' - if(/[\w_\d\s]/.test(c) || is_composite_operator) { - while(determine_operator(content)); - mode = NORMAL - return i + this._vao.unbind() + } + + if (projectData.showContour) { + var shader = this._contourPickShader + + shader.bind() + shader.uniforms = uniforms + + var vao = this._contourVAO + vao.bind() + + for (j = 0; j < 3; ++j) { + gl.lineWidth(this.contourWidth[j]) + shader.uniforms.permutation = PERMUTATIONS[j] + for (i = 0; i < this.contourLevels[j].length; ++i) { + if (this._contourCounts[j][i]) { + shader.uniforms.height = this.contourLevels[j][i] + vao.draw(gl.LINES, this._contourCounts[j][i], this._contourOffsets[j][i]) + } + } } - content.push(c) - last = c - return i + 1 + // Draw projections of surface + for (i = 0; i < 3; ++i) { + shader.uniforms.model = projectData.projections[i] + shader.uniforms.clipBounds = projectData.clipBounds[i] + + for (j = 0; j < 3; ++j) { + if (!this.contourProject[i][j]) { + continue + } + + shader.uniforms.permutation = PERMUTATIONS[j] + gl.lineWidth(this.contourWidth[j]) + for (var k = 0; k < this.contourLevels[j].length; ++k) { + if (this._contourCounts[j][k]) { + shader.uniforms.height = this.contourLevels[j][k] + vao.draw(gl.LINES, this._contourCounts[j][k], this._contourOffsets[j][k]) + } + } + } + } + + vao.unbind() } +} - function determine_operator(buf) { - var j = 0 - , idx - , res +proto.pick = function (selection) { + if (!selection) { + return null + } - do { - idx = operators.indexOf(buf.slice(0, buf.length + j).join('')) - res = operators[idx] + if (selection.id !== this.pickId) { + return null + } - if(idx === -1) { - if(j-- + buf.length > 0) continue - res = buf.slice(0, 1).join('') + var shape = this._field[2].shape + + var result = this._pickResult + + // Compute uv coordinate + var x = shape[0] * (selection.value[0] + (selection.value[2] >> 4) / 16.0) / 255.0 + var ix = Math.floor(x) + var fx = x - ix + + var y = shape[1] * (selection.value[1] + (selection.value[2] & 15) / 16.0) / 255.0 + var iy = Math.floor(y) + var fy = y - iy + + ix += 1 + iy += 1 + + // Compute xyz coordinate + var pos = result.position + pos[0] = pos[1] = pos[2] = 0 + for (var dx = 0; dx < 2; ++dx) { + var s = dx ? fx : 1.0 - fx + for (var dy = 0; dy < 2; ++dy) { + var t = dy ? fy : 1.0 - fy + + var r = ix + dx + var c = iy + dy + var w = s * t + + for (var i = 0; i < 3; ++i) { + pos[i] += this._field[i].get(r, c) * w } + } + } - token(res) + // Find closest level + var levelIndex = this._pickResult.level + for (var j = 0; j < 3; ++j) { + levelIndex[j] = bsearch.le(this.contourLevels[j], pos[j]) + if (levelIndex[j] < 0) { + if (this.contourLevels[j].length > 0) { + levelIndex[j] = 0 + } + } else if (levelIndex[j] < this.contourLevels[j].length - 1) { + var a = this.contourLevels[j][levelIndex[j]] + var b = this.contourLevels[j][levelIndex[j] + 1] + if (Math.abs(a - pos[j]) > Math.abs(b - pos[j])) { + levelIndex[j] += 1 + } + } + } - start += res.length - content = content.slice(res.length) - return content.length - } while(1) + result.index[0] = fx < 0.5 ? ix : (ix + 1) + result.index[1] = fy < 0.5 ? iy : (iy + 1) + + result.uv[0] = x / shape[0] + result.uv[1] = y / shape[1] + + for (i = 0; i < 3; ++i) { + result.dataCoordinate[i] = this._field[i].get(result.index[0], result.index[1]) } - function hex() { - if(/[^a-fA-F0-9]/.test(c)) { - token(content.join('')) - mode = NORMAL - return i + return result +} + +function padField (nfield, field) { + var shape = field.shape.slice() + var nshape = nfield.shape.slice() + + // Center + ops.assign(nfield.lo(1, 1).hi(shape[0], shape[1]), field) + + // Edges + ops.assign(nfield.lo(1).hi(shape[0], 1), + field.hi(shape[0], 1)) + ops.assign(nfield.lo(1, nshape[1] - 1).hi(shape[0], 1), + field.lo(0, shape[1] - 1).hi(shape[0], 1)) + ops.assign(nfield.lo(0, 1).hi(1, shape[1]), + field.hi(1)) + ops.assign(nfield.lo(nshape[0] - 1, 1).hi(1, shape[1]), + field.lo(shape[0] - 1)) + // Corners + nfield.set(0, 0, field.get(0, 0)) + nfield.set(0, nshape[1] - 1, field.get(0, shape[1] - 1)) + nfield.set(nshape[0] - 1, 0, field.get(shape[0] - 1, 0)) + nfield.set(nshape[0] - 1, nshape[1] - 1, field.get(shape[0] - 1, shape[1] - 1)) +} + +function handleArray (param, ctor) { + if (Array.isArray(param)) { + return [ ctor(param[0]), ctor(param[1]), ctor(param[2]) ] + } + return [ ctor(param), ctor(param), ctor(param) ] +} + +function toColor (x) { + if (Array.isArray(x)) { + if (x.length === 3) { + return [x[0], x[1], x[2], 1] } + return [x[0], x[1], x[2], x[3]] + } + return [0, 0, 0, 1] +} - content.push(c) - last = c - return i + 1 +function handleColor (param) { + if (Array.isArray(param)) { + if (Array.isArray(param)) { + return [ + toColor(param[0]), + toColor(param[1]), + toColor(param[2]) ] + } else { + var c = toColor(param) + return [ + c.slice(), + c.slice(), + c.slice() ] + } } +} - function integer() { - if(c === '.') { - content.push(c) - mode = FLOAT - last = c - return i + 1 +proto.update = function (params) { + params = params || {} + + this.dirty = true + + if ('contourWidth' in params) { + this.contourWidth = handleArray(params.contourWidth, Number) + } + if ('showContour' in params) { + this.showContour = handleArray(params.showContour, Boolean) + } + if ('showSurface' in params) { + this.showSurface = !!params.showSurface + } + if ('contourTint' in params) { + this.contourTint = handleArray(params.contourTint, Boolean) + } + if ('contourColor' in params) { + this.contourColor = handleColor(params.contourColor) + } + if ('contourProject' in params) { + this.contourProject = handleArray(params.contourProject, function (x) { + return handleArray(x, Boolean) + }) + } + if ('surfaceProject' in params) { + this.surfaceProject = params.surfaceProject + } + if ('dynamicColor' in params) { + this.dynamicColor = handleColor(params.dynamicColor) + } + if ('dynamicTint' in params) { + this.dynamicTint = handleArray(params.dynamicTint, Number) + } + if ('dynamicWidth' in params) { + this.dynamicWidth = handleArray(params.dynamicWidth, Number) + } + if ('opacity' in params) { + this.opacity = params.opacity + } + if ('colorBounds' in params) { + this.colorBounds = params.colorBounds + } + if ('vertexColor' in params) { + this.vertexColor = params.vertexColor ? 1 : 0; + } + + var field = params.field || (params.coords && params.coords[2]) || null + var levelsChanged = false + + if (!field) { + if (this._field[2].shape[0] || this._field[2].shape[2]) { + field = this._field[2].lo(1, 1).hi(this._field[2].shape[0] - 2, this._field[2].shape[1] - 2) + } else { + field = this._field[2].hi(0, 0) } + } - if(/[eE]/.test(c)) { - content.push(c) - mode = FLOAT - last = c - return i + 1 + // Update field + if ('field' in params || 'coords' in params) { + var fsize = (field.shape[0] + 2) * (field.shape[1] + 2) + + // Resize if necessary + if (fsize > this._field[2].data.length) { + pool.freeFloat(this._field[2].data) + this._field[2].data = pool.mallocFloat(bits.nextPow2(fsize)) } - if(c === 'x' && content.length === 1 && content[0] === '0') { - mode = HEX - content.push(c) - last = c - return i + 1 + // Pad field + this._field[2] = ndarray(this._field[2].data, [field.shape[0] + 2, field.shape[1] + 2]) + padField(this._field[2], field) + + // Save shape of field + this.shape = field.shape.slice() + var shape = this.shape + + // Resize coordinate fields if necessary + for (var i = 0; i < 2; ++i) { + if (this._field[2].size > this._field[i].data.length) { + pool.freeFloat(this._field[i].data) + this._field[i].data = pool.mallocFloat(this._field[2].size) + } + this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2]) } - if(/[^\d]/.test(c)) { - token(content.join('')) - mode = NORMAL - return i + // Generate x/y coordinates + if (params.coords) { + var coords = params.coords + if (!Array.isArray(coords) || coords.length !== 3) { + throw new Error('gl-surface: invalid coordinates for x/y') + } + for (i = 0; i < 2; ++i) { + var coord = coords[i] + for (j = 0; j < 2; ++j) { + if (coord.shape[j] !== shape[j]) { + throw new Error('gl-surface: coords have incorrect shape') + } + } + padField(this._field[i], coord) + } + } else if (params.ticks) { + var ticks = params.ticks + if (!Array.isArray(ticks) || ticks.length !== 2) { + throw new Error('gl-surface: invalid ticks') + } + for (i = 0; i < 2; ++i) { + var tick = ticks[i] + if (Array.isArray(tick) || tick.length) { + tick = ndarray(tick) + } + if (tick.shape[0] !== shape[i]) { + throw new Error('gl-surface: invalid tick length') + } + // Make a copy view of the tick array + var tick2 = ndarray(tick.data, shape) + tick2.stride[i] = tick.stride[0] + tick2.stride[i ^ 1] = 0 + + // Fill in field array + padField(this._field[i], tick2) + } + } else { + for (i = 0; i < 2; ++i) { + var offset = [0, 0] + offset[i] = 1 + this._field[i] = ndarray(this._field[i].data, [shape[0] + 2, shape[1] + 2], offset, 0) + } + this._field[0].set(0, 0, 0) + for (var j = 0; j < shape[0]; ++j) { + this._field[0].set(j + 1, 0, j) + } + this._field[0].set(shape[0] + 1, 0, shape[0] - 1) + this._field[1].set(0, 0, 0) + for (j = 0; j < shape[1]; ++j) { + this._field[1].set(0, j + 1, j) + } + this._field[1].set(0, shape[1] + 1, shape[1] - 1) + } + + // Save shape + var fields = this._field + + // Compute surface normals + var dfields = ndarray(pool.mallocFloat(fields[2].size * 3 * 2), [3, shape[0] + 2, shape[1] + 2, 2]) + for (i = 0; i < 3; ++i) { + gradient(dfields.pick(i), fields[i], 'mirror') + } + var normals = ndarray(pool.mallocFloat(fields[2].size * 3), [shape[0] + 2, shape[1] + 2, 3]) + for (i = 0; i < shape[0] + 2; ++i) { + for (j = 0; j < shape[1] + 2; ++j) { + var dxdu = dfields.get(0, i, j, 0) + var dxdv = dfields.get(0, i, j, 1) + var dydu = dfields.get(1, i, j, 0) + var dydv = dfields.get(1, i, j, 1) + var dzdu = dfields.get(2, i, j, 0) + var dzdv = dfields.get(2, i, j, 1) + + var nx = dydu * dzdv - dydv * dzdu + var ny = dzdu * dxdv - dzdv * dxdu + var nz = dxdu * dydv - dxdv * dydu + + var nl = Math.sqrt(nx * nx + ny * ny + nz * nz) + if (nl < 1e-8) { + nl = Math.max(Math.abs(nx), Math.abs(ny), Math.abs(nz)) + if (nl < 1e-8) { + nz = 1.0 + ny = nx = 0.0 + nl = 1.0 + } else { + nl = 1.0 / nl + } + } else { + nl = 1.0 / Math.sqrt(nl) + } + + normals.set(i, j, 0, nx * nl) + normals.set(i, j, 1, ny * nl) + normals.set(i, j, 2, nz * nl) + } } + pool.free(dfields.data) - content.push(c) - last = c - return i + 1 - } + // Initialize surface + var lo = [ Infinity, Infinity, Infinity ] + var hi = [ -Infinity, -Infinity, -Infinity ] + var lo_intensity = Infinity + var hi_intensity = -Infinity + var count = (shape[0] - 1) * (shape[1] - 1) * 6 + var tverts = pool.mallocFloat(bits.nextPow2(10 * count)) + var tptr = 0 + var vertexCount = 0 + for (i = 0; i < shape[0] - 1; ++i) { + j_loop: + for (j = 0; j < shape[1] - 1; ++j) { + // Test for NaNs + for (var dx = 0; dx < 2; ++dx) { + for (var dy = 0; dy < 2; ++dy) { + for (var k = 0; k < 3; ++k) { + var f = this._field[k].get(1 + i + dx, 1 + j + dy) + if (isNaN(f) || !isFinite(f)) { + continue j_loop + } + } + } + } + for (k = 0; k < 6; ++k) { + var r = i + QUAD[k][0] + var c = j + QUAD[k][1] - function decimal() { - if(c === 'f') { - content.push(c) - last = c - i += 1 + var tx = this._field[0].get(r + 1, c + 1) + var ty = this._field[1].get(r + 1, c + 1) + f = this._field[2].get(r + 1, c + 1) + var vf = f + nx = normals.get(r + 1, c + 1, 0) + ny = normals.get(r + 1, c + 1, 1) + nz = normals.get(r + 1, c + 1, 2) + + if (params.intensity) { + vf = params.intensity.get(r, c) + } + + tverts[tptr++] = r + tverts[tptr++] = c + tverts[tptr++] = tx + tverts[tptr++] = ty + tverts[tptr++] = f + tverts[tptr++] = 0 + tverts[tptr++] = vf + tverts[tptr++] = nx + tverts[tptr++] = ny + tverts[tptr++] = nz + + lo[0] = Math.min(lo[0], tx) + lo[1] = Math.min(lo[1], ty) + lo[2] = Math.min(lo[2], f) + lo_intensity = Math.min(lo_intensity, vf) + + hi[0] = Math.max(hi[0], tx) + hi[1] = Math.max(hi[1], ty) + hi[2] = Math.max(hi[2], f) + hi_intensity = Math.max(hi_intensity, vf) + + vertexCount += 1 + } + } } - if(/[eE]/.test(c)) { - content.push(c) - last = c - return i + 1 + if (params.intensityBounds) { + lo_intensity = +params.intensityBounds[0] + hi_intensity = +params.intensityBounds[1] } - if (c === '-' && /[eE]/.test(last)) { - content.push(c) - last = c - return i + 1 + // Scale all vertex intensities + for (i = 6; i < tptr; i += 10) { + tverts[i] = (tverts[i] - lo_intensity) / (hi_intensity - lo_intensity) } - if(/[^\d]/.test(c)) { - token(content.join('')) - mode = NORMAL - return i + this._vertexCount = vertexCount + this._coordinateBuffer.update(tverts.subarray(0, tptr)) + pool.freeFloat(tverts) + pool.free(normals.data) + + // Update bounds + this.bounds = [lo, hi] + + // Save intensity + this.intensity = params.intensity || this._field[2] + + if(this.intensityBounds[0] !== lo_intensity || this.intensityBounds[1] !== hi_intensity) { + levelsChanged = true } - content.push(c) - last = c - return i + 1 + // Save intensity bound + this.intensityBounds = [lo_intensity, hi_intensity] } - function readtoken() { - if(/[^\d\w_]/.test(c)) { - var contentstr = content.join('') - if(allLiterals.indexOf(contentstr) > -1) { - mode = KEYWORD - } else if(allBuiltins.indexOf(contentstr) > -1) { - mode = BUILTIN - } else { - mode = IDENT + // Update level crossings + if ('levels' in params) { + var levels = params.levels + if (!Array.isArray(levels[0])) { + levels = [ [], [], levels ] + } else { + levels = levels.slice() + } + for (i = 0; i < 3; ++i) { + levels[i] = levels[i].slice() + levels.sort(function (a, b) { + return a - b + }) + } + change_test: + for (i = 0; i < 3; ++i) { + if (levels[i].length !== this.contourLevels[i].length) { + levelsChanged = true + break } - token(content.join('')) - mode = NORMAL - return i + for (j = 0; j < levels[i].length; ++j) { + if (levels[i][j] !== this.contourLevels[i][j]) { + levelsChanged = true + break change_test + } + } + } + this.contourLevels = levels + } + + if (levelsChanged) { + fields = this._field + shape = this.shape + + // Update contour lines + var contourVerts = [] + + for (var dim = 0; dim < 3; ++dim) { + levels = this.contourLevels[dim] + var levelOffsets = [] + var levelCounts = [] + + var parts = [0, 0, 0] + + for (i = 0; i < levels.length; ++i) { + var graph = surfaceNets(this._field[dim], levels[i]) + levelOffsets.push((contourVerts.length / 5) | 0) + vertexCount = 0 + + edge_loop: + for (j = 0; j < graph.cells.length; ++j) { + var e = graph.cells[j] + for (k = 0; k < 2; ++k) { + var p = graph.positions[e[k]] + + var x = p[0] + var ix = Math.floor(x) | 0 + var fx = x - ix + + var y = p[1] + var iy = Math.floor(y) | 0 + var fy = y - iy + + var hole = false + dd_loop: + for (var dd = 0; dd < 3; ++dd) { + parts[dd] = 0.0 + var iu = (dim + dd + 1) % 3 + for (dx = 0; dx < 2; ++dx) { + var s = dx ? fx : 1.0 - fx + r = Math.min(Math.max(ix + dx, 0), shape[0]) | 0 + for (dy = 0; dy < 2; ++dy) { + var t = dy ? fy : 1.0 - fy + c = Math.min(Math.max(iy + dy, 0), shape[1]) | 0 + + if (dd < 2) { + f = this._field[iu].get(r, c) + } else { + f = (this.intensity.get(r, c) - this.intensityBounds[0]) / (this.intensityBounds[1] - this.intensityBounds[0]) + } + if (!isFinite(f) || isNaN(f)) { + hole = true + break dd_loop + } + + var w = s * t + parts[dd] += w * f + } + } + } + + if (!hole) { + contourVerts.push(parts[0], parts[1], p[0], p[1], parts[2]) + vertexCount += 1 + } else { + if (k > 0) { + // If we already added first edge, pop off verts + for (var l = 0; l < 5; ++l) { + contourVerts.pop() + } + vertexCount -= 1 + } + continue edge_loop + } + } + } + levelCounts.push(vertexCount) + } + + // Store results + this._contourOffsets[dim] = levelOffsets + this._contourCounts[dim] = levelCounts } - content.push(c) - last = c - return i + 1 + + var floatBuffer = pool.mallocFloat(contourVerts.length) + for (i = 0; i < contourVerts.length; ++i) { + floatBuffer[i] = contourVerts[i] + } + this._contourBuffer.update(floatBuffer) + pool.freeFloat(floatBuffer) } -} -},{"./lib/builtins":270,"./lib/builtins-300es":269,"./lib/literals":272,"./lib/literals-300es":271,"./lib/operators":273}],269:[function(require,module,exports){ -// 300es builtins/reserved words that were previously valid in v100 -var v100 = require('./builtins') + if (params.colormap) { + this._colorMap.setPixels(genColormap(params.colormap)) + } +} + +proto.dispose = function () { + this._shader.dispose() + this._vao.dispose() + this._coordinateBuffer.dispose() + this._colorMap.dispose() + this._contourBuffer.dispose() + this._contourVAO.dispose() + this._contourShader.dispose() + this._contourPickShader.dispose() + this._dynamicBuffer.dispose() + this._dynamicVAO.dispose() + for (var i = 0; i < 3; ++i) { + pool.freeFloat(this._field[i].data) + } +} + +proto.highlight = function (selection) { + if (!selection) { + this._dynamicCounts = [0, 0, 0] + this.dyanamicLevel = [NaN, NaN, NaN] + this.highlightLevel = [-1, -1, -1] + return + } + + for (var i = 0; i < 3; ++i) { + if (this.enableHighlight[i]) { + this.highlightLevel[i] = selection.level[i] + } else { + this.highlightLevel[i] = -1 + } + } + + var levels + if (this.snapToData) { + levels = selection.dataCoordinate + } else { + levels = selection.position + } + if ((!this.enableDynamic[0] || levels[0] === this.dynamicLevel[0]) && + (!this.enableDynamic[1] || levels[1] === this.dynamicLevel[1]) && + (!this.enableDynamic[2] || levels[2] === this.dynamicLevel[2])) { + return + } + + var vertexCount = 0 + var shape = this.shape + var scratchBuffer = pool.mallocFloat(12 * shape[0] * shape[1]) + + for (var d = 0; d < 3; ++d) { + if (!this.enableDynamic[d]) { + this.dynamicLevel[d] = NaN + this._dynamicCounts[d] = 0 + continue + } + + this.dynamicLevel[d] = levels[d] + + var u = (d + 1) % 3 + var v = (d + 2) % 3 + + var f = this._field[d] + var g = this._field[u] + var h = this._field[v] + var intensity = this.intensity + + var graph = surfaceNets(f, levels[d]) + var edges = graph.cells + var positions = graph.positions + + this._dynamicOffsets[d] = vertexCount + + for (i = 0; i < edges.length; ++i) { + var e = edges[i] + for (var j = 0; j < 2; ++j) { + var p = positions[e[j]] + + var x = +p[0] + var ix = x | 0 + var jx = Math.min(ix + 1, shape[0]) | 0 + var fx = x - ix + var hx = 1.0 - fx + + var y = +p[1] + var iy = y | 0 + var jy = Math.min(iy + 1, shape[1]) | 0 + var fy = y - iy + var hy = 1.0 - fy + + var w00 = hx * hy + var w01 = hx * fy + var w10 = fx * hy + var w11 = fx * fy + + var cu = w00 * g.get(ix, iy) + + w01 * g.get(ix, jy) + + w10 * g.get(jx, iy) + + w11 * g.get(jx, jy) + + var cv = w00 * h.get(ix, iy) + + w01 * h.get(ix, jy) + + w10 * h.get(jx, iy) + + w11 * h.get(jx, jy) + + if (isNaN(cu) || isNaN(cv)) { + if (j) { + vertexCount -= 1 + } + break + } + + scratchBuffer[2 * vertexCount + 0] = cu + scratchBuffer[2 * vertexCount + 1] = cv + + vertexCount += 1 + } + } + + this._dynamicCounts[d] = vertexCount - this._dynamicOffsets[d] + } + + this._dynamicBuffer.update(scratchBuffer.subarray(0, 2 * vertexCount)) + pool.freeFloat(scratchBuffer) +} + +function createSurfacePlot (params) { + var gl = params.gl + var shader = createShader(gl) + var pickShader = createPickShader(gl) + var contourShader = createContourShader(gl) + var contourPickShader = createPickContourShader(gl) + + var coordinateBuffer = createBuffer(gl) + var vao = createVAO(gl, [ + { buffer: coordinateBuffer, + size: 4, + stride: SURFACE_VERTEX_SIZE, + offset: 0 + }, + { buffer: coordinateBuffer, + size: 3, + stride: SURFACE_VERTEX_SIZE, + offset: 16 + }, + { + buffer: coordinateBuffer, + size: 3, + stride: SURFACE_VERTEX_SIZE, + offset: 28 + } + ]) + + var contourBuffer = createBuffer(gl) + var contourVAO = createVAO(gl, [ + { + buffer: contourBuffer, + size: 4, + stride: 20, + offset: 0 + }, + { + buffer: contourBuffer, + size: 1, + stride: 20, + offset: 16 + } + ]) + + var dynamicBuffer = createBuffer(gl) + var dynamicVAO = createVAO(gl, [ + { + buffer: dynamicBuffer, + size: 2, + type: gl.FLOAT + }]) + + var cmap = createTexture(gl, 1, N_COLORS, gl.RGBA, gl.UNSIGNED_BYTE) + cmap.minFilter = gl.LINEAR + cmap.magFilter = gl.LINEAR + + var surface = new SurfacePlot( + gl, + [0, 0], + [[0, 0, 0], [0, 0, 0]], + shader, + pickShader, + coordinateBuffer, + vao, + cmap, + contourShader, + contourPickShader, + contourBuffer, + contourVAO, + dynamicBuffer, + dynamicVAO + ) + + var nparams = { + levels: [[], [], []] + } + for (var id in params) { + nparams[id] = params[id] + } + nparams.colormap = nparams.colormap || 'jet' + + surface.update(nparams) + + return surface +} + +},{"./lib/shaders":253,"binary-search-bounds":70,"bit-twiddle":71,"colormap":105,"gl-buffer":165,"gl-mat4/invert":186,"gl-mat4/multiply":188,"gl-texture2d":255,"gl-vao":259,"ndarray":458,"ndarray-gradient":449,"ndarray-ops":452,"ndarray-pack":453,"surface-nets":540,"typedarray-pool":554}],255:[function(require,module,exports){ +'use strict' + +var ndarray = require('ndarray') +var ops = require('ndarray-ops') +var pool = require('typedarray-pool') + +module.exports = createTexture2D + +var linearTypes = null +var filterTypes = null +var wrapTypes = null + +function lazyInitLinearTypes(gl) { + linearTypes = [ + gl.LINEAR, + gl.NEAREST_MIPMAP_LINEAR, + gl.LINEAR_MIPMAP_NEAREST, + gl.LINEAR_MIPMAP_NEAREST + ] + filterTypes = [ + gl.NEAREST, + gl.LINEAR, + gl.NEAREST_MIPMAP_NEAREST, + gl.NEAREST_MIPMAP_LINEAR, + gl.LINEAR_MIPMAP_NEAREST, + gl.LINEAR_MIPMAP_LINEAR + ] + wrapTypes = [ + gl.REPEAT, + gl.CLAMP_TO_EDGE, + gl.MIRRORED_REPEAT + ] +} + +function acceptTextureDOM (obj) { + return ( + ('undefined' != typeof HTMLCanvasElement && obj instanceof HTMLCanvasElement) || + ('undefined' != typeof HTMLImageElement && obj instanceof HTMLImageElement) || + ('undefined' != typeof HTMLVideoElement && obj instanceof HTMLVideoElement) || + ('undefined' != typeof ImageData && obj instanceof ImageData)) +} + +var convertFloatToUint8 = function(out, inp) { + ops.muls(out, inp, 255.0) +} + +function reshapeTexture(tex, w, h) { + var gl = tex.gl + var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) + if(w < 0 || w > maxSize || h < 0 || h > maxSize) { + throw new Error('gl-texture2d: Invalid texture size') + } + tex._shape = [w, h] + tex.bind() + gl.texImage2D(gl.TEXTURE_2D, 0, tex.format, w, h, 0, tex.format, tex.type, null) + tex._mipLevels = [0] + return tex +} + +function Texture2D(gl, handle, width, height, format, type) { + this.gl = gl + this.handle = handle + this.format = format + this.type = type + this._shape = [width, height] + this._mipLevels = [0] + this._magFilter = gl.NEAREST + this._minFilter = gl.NEAREST + this._wrapS = gl.CLAMP_TO_EDGE + this._wrapT = gl.CLAMP_TO_EDGE + this._anisoSamples = 1 + + var parent = this + var wrapVector = [this._wrapS, this._wrapT] + Object.defineProperties(wrapVector, [ + { + get: function() { + return parent._wrapS + }, + set: function(v) { + return parent.wrapS = v + } + }, + { + get: function() { + return parent._wrapT + }, + set: function(v) { + return parent.wrapT = v + } + } + ]) + this._wrapVector = wrapVector + + var shapeVector = [this._shape[0], this._shape[1]] + Object.defineProperties(shapeVector, [ + { + get: function() { + return parent._shape[0] + }, + set: function(v) { + return parent.width = v + } + }, + { + get: function() { + return parent._shape[1] + }, + set: function(v) { + return parent.height = v + } + } + ]) + this._shapeVector = shapeVector +} + +var proto = Texture2D.prototype + +Object.defineProperties(proto, { + minFilter: { + get: function() { + return this._minFilter + }, + set: function(v) { + this.bind() + var gl = this.gl + if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { + if(!gl.getExtension('OES_texture_float_linear')) { + v = gl.NEAREST + } + } + if(filterTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown filter mode ' + v) + } + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, v) + return this._minFilter = v + } + }, + magFilter: { + get: function() { + return this._magFilter + }, + set: function(v) { + this.bind() + var gl = this.gl + if(this.type === gl.FLOAT && linearTypes.indexOf(v) >= 0) { + if(!gl.getExtension('OES_texture_float_linear')) { + v = gl.NEAREST + } + } + if(filterTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown filter mode ' + v) + } + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, v) + return this._magFilter = v + } + }, + mipSamples: { + get: function() { + return this._anisoSamples + }, + set: function(i) { + var psamples = this._anisoSamples + this._anisoSamples = Math.max(i, 1)|0 + if(psamples !== this._anisoSamples) { + var ext = this.gl.getExtension('EXT_texture_filter_anisotropic') + if(ext) { + this.gl.texParameterf(this.gl.TEXTURE_2D, ext.TEXTURE_MAX_ANISOTROPY_EXT, this._anisoSamples) + } + } + return this._anisoSamples + } + }, + wrapS: { + get: function() { + return this._wrapS + }, + set: function(v) { + this.bind() + if(wrapTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown wrap mode ' + v) + } + this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_S, v) + return this._wrapS = v + } + }, + wrapT: { + get: function() { + return this._wrapT + }, + set: function(v) { + this.bind() + if(wrapTypes.indexOf(v) < 0) { + throw new Error('gl-texture2d: Unknown wrap mode ' + v) + } + this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_WRAP_T, v) + return this._wrapT = v + } + }, + wrap: { + get: function() { + return this._wrapVector + }, + set: function(v) { + if(!Array.isArray(v)) { + v = [v,v] + } + if(v.length !== 2) { + throw new Error('gl-texture2d: Must specify wrap mode for rows and columns') + } + for(var i=0; i<2; ++i) { + if(wrapTypes.indexOf(v[i]) < 0) { + throw new Error('gl-texture2d: Unknown wrap mode ' + v) + } + } + this._wrapS = v[0] + this._wrapT = v[1] + + var gl = this.gl + this.bind() + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, this._wrapS) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, this._wrapT) + + return v + } + }, + shape: { + get: function() { + return this._shapeVector + }, + set: function(x) { + if(!Array.isArray(x)) { + x = [x|0,x|0] + } else { + if(x.length !== 2) { + throw new Error('gl-texture2d: Invalid texture shape') + } + } + reshapeTexture(this, x[0]|0, x[1]|0) + return [x[0]|0, x[1]|0] + } + }, + width: { + get: function() { + return this._shape[0] + }, + set: function(w) { + w = w|0 + reshapeTexture(this, w, this._shape[1]) + return w + } + }, + height: { + get: function() { + return this._shape[1] + }, + set: function(h) { + h = h|0 + reshapeTexture(this, this._shape[0], h) + return h + } + } +}) + +proto.bind = function(unit) { + var gl = this.gl + if(unit !== undefined) { + gl.activeTexture(gl.TEXTURE0 + (unit|0)) + } + gl.bindTexture(gl.TEXTURE_2D, this.handle) + if(unit !== undefined) { + return (unit|0) + } + return gl.getParameter(gl.ACTIVE_TEXTURE) - gl.TEXTURE0 +} + +proto.dispose = function() { + this.gl.deleteTexture(this.handle) +} + +proto.generateMipmap = function() { + this.bind() + this.gl.generateMipmap(this.gl.TEXTURE_2D) + + //Update mip levels + var l = Math.min(this._shape[0], this._shape[1]) + for(var i=0; l>0; ++i, l>>>=1) { + if(this._mipLevels.indexOf(i) < 0) { + this._mipLevels.push(i) + } + } +} + +proto.setPixels = function(data, x_off, y_off, mip_level) { + var gl = this.gl + this.bind() + if(Array.isArray(x_off)) { + mip_level = y_off + y_off = x_off[1]|0 + x_off = x_off[0]|0 + } else { + x_off = x_off || 0 + y_off = y_off || 0 + } + mip_level = mip_level || 0 + var directData = acceptTextureDOM(data) ? data : data.raw + if(directData) { + var needsMip = this._mipLevels.indexOf(mip_level) < 0 + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, 0, this.format, this.format, this.type, directData) + this._mipLevels.push(mip_level) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, this.format, this.type, directData) + } + } else if(data.shape && data.stride && data.data) { + if(data.shape.length < 2 || + x_off + data.shape[1] > this._shape[1]>>>mip_level || + y_off + data.shape[0] > this._shape[0]>>>mip_level || + x_off < 0 || + y_off < 0) { + throw new Error('gl-texture2d: Texture dimensions are out of bounds') + } + texSubImageArray(gl, x_off, y_off, mip_level, this.format, this.type, this._mipLevels, data) + } else { + throw new Error('gl-texture2d: Unsupported data type') + } +} + + +function isPacked(shape, stride) { + if(shape.length === 3) { + return (stride[2] === 1) && + (stride[1] === shape[0]*shape[2]) && + (stride[0] === shape[2]) + } + return (stride[0] === 1) && + (stride[1] === shape[0]) +} + +function texSubImageArray(gl, x_off, y_off, mip_level, cformat, ctype, mipLevels, array) { + var dtype = array.dtype + var shape = array.shape.slice() + if(shape.length < 2 || shape.length > 3) { + throw new Error('gl-texture2d: Invalid ndarray, must be 2d or 3d') + } + var type = 0, format = 0 + var packed = isPacked(shape, array.stride.slice()) + if(dtype === 'float32') { + type = gl.FLOAT + } else if(dtype === 'float64') { + type = gl.FLOAT + packed = false + dtype = 'float32' + } else if(dtype === 'uint8') { + type = gl.UNSIGNED_BYTE + } else { + type = gl.UNSIGNED_BYTE + packed = false + dtype = 'uint8' + } + var channels = 1 + if(shape.length === 2) { + format = gl.LUMINANCE + shape = [shape[0], shape[1], 1] + array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) + } else if(shape.length === 3) { + if(shape[2] === 1) { + format = gl.ALPHA + } else if(shape[2] === 2) { + format = gl.LUMINANCE_ALPHA + } else if(shape[2] === 3) { + format = gl.RGB + } else if(shape[2] === 4) { + format = gl.RGBA + } else { + throw new Error('gl-texture2d: Invalid shape for pixel coords') + } + channels = shape[2] + } else { + throw new Error('gl-texture2d: Invalid shape for texture') + } + //For 1-channel textures allow conversion between formats + if((format === gl.LUMINANCE || format === gl.ALPHA) && + (cformat === gl.LUMINANCE || cformat === gl.ALPHA)) { + format = cformat + } + if(format !== cformat) { + throw new Error('gl-texture2d: Incompatible texture format for setPixels') + } + var size = array.size + var needsMip = mipLevels.indexOf(mip_level) < 0 + if(needsMip) { + mipLevels.push(mip_level) + } + if(type === ctype && packed) { + //Array data types are compatible, can directly copy into texture + if(array.offset === 0 && array.data.length === size) { + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, array.data) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, array.data) + } + } else { + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, array.data.subarray(array.offset, array.offset+size)) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, array.data.subarray(array.offset, array.offset+size)) + } + } + } else { + //Need to do type conversion to pack data into buffer + var pack_buffer + if(ctype === gl.FLOAT) { + pack_buffer = pool.mallocFloat32(size) + } else { + pack_buffer = pool.mallocUint8(size) + } + var pack_view = ndarray(pack_buffer, shape, [shape[2], shape[2]*shape[0], 1]) + if(type === gl.FLOAT && ctype === gl.UNSIGNED_BYTE) { + convertFloatToUint8(pack_view, array) + } else { + ops.assign(pack_view, array) + } + if(needsMip) { + gl.texImage2D(gl.TEXTURE_2D, mip_level, cformat, shape[0], shape[1], 0, cformat, ctype, pack_buffer.subarray(0, size)) + } else { + gl.texSubImage2D(gl.TEXTURE_2D, mip_level, x_off, y_off, shape[0], shape[1], cformat, ctype, pack_buffer.subarray(0, size)) + } + if(ctype === gl.FLOAT) { + pool.freeFloat32(pack_buffer) + } else { + pool.freeUint8(pack_buffer) + } + } +} + +function initTexture(gl) { + var tex = gl.createTexture() + gl.bindTexture(gl.TEXTURE_2D, tex) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE) + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE) + return tex +} + +function createTextureShape(gl, width, height, format, type) { + var maxTextureSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) + if(width < 0 || width > maxTextureSize || height < 0 || height > maxTextureSize) { + throw new Error('gl-texture2d: Invalid texture shape') + } + if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { + throw new Error('gl-texture2d: Floating point textures not supported on this platform') + } + var tex = initTexture(gl) + gl.texImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, format, type, null) + return new Texture2D(gl, tex, width, height, format, type) +} + +function createTextureDOM(gl, directData, width, height, format, type) { + var tex = initTexture(gl) + gl.texImage2D(gl.TEXTURE_2D, 0, format, format, type, directData) + return new Texture2D(gl, tex, width, height, format, type) +} + +//Creates a texture from an ndarray +function createTextureArray(gl, array) { + var dtype = array.dtype + var shape = array.shape.slice() + var maxSize = gl.getParameter(gl.MAX_TEXTURE_SIZE) + if(shape[0] < 0 || shape[0] > maxSize || shape[1] < 0 || shape[1] > maxSize) { + throw new Error('gl-texture2d: Invalid texture size') + } + var packed = isPacked(shape, array.stride.slice()) + var type = 0 + if(dtype === 'float32') { + type = gl.FLOAT + } else if(dtype === 'float64') { + type = gl.FLOAT + packed = false + dtype = 'float32' + } else if(dtype === 'uint8') { + type = gl.UNSIGNED_BYTE + } else { + type = gl.UNSIGNED_BYTE + packed = false + dtype = 'uint8' + } + var format = 0 + if(shape.length === 2) { + format = gl.LUMINANCE + shape = [shape[0], shape[1], 1] + array = ndarray(array.data, shape, [array.stride[0], array.stride[1], 1], array.offset) + } else if(shape.length === 3) { + if(shape[2] === 1) { + format = gl.ALPHA + } else if(shape[2] === 2) { + format = gl.LUMINANCE_ALPHA + } else if(shape[2] === 3) { + format = gl.RGB + } else if(shape[2] === 4) { + format = gl.RGBA + } else { + throw new Error('gl-texture2d: Invalid shape for pixel coords') + } + } else { + throw new Error('gl-texture2d: Invalid shape for texture') + } + if(type === gl.FLOAT && !gl.getExtension('OES_texture_float')) { + type = gl.UNSIGNED_BYTE + packed = false + } + var buffer, buf_store + var size = array.size + if(!packed) { + var stride = [shape[2], shape[2]*shape[0], 1] + buf_store = pool.malloc(size, dtype) + var buf_array = ndarray(buf_store, shape, stride, 0) + if((dtype === 'float32' || dtype === 'float64') && type === gl.UNSIGNED_BYTE) { + convertFloatToUint8(buf_array, array) + } else { + ops.assign(buf_array, array) + } + buffer = buf_store.subarray(0, size) + } else if (array.offset === 0 && array.data.length === size) { + buffer = array.data + } else { + buffer = array.data.subarray(array.offset, array.offset + size) + } + var tex = initTexture(gl) + gl.texImage2D(gl.TEXTURE_2D, 0, format, shape[0], shape[1], 0, format, type, buffer) + if(!packed) { + pool.free(buf_store) + } + return new Texture2D(gl, tex, shape[0], shape[1], format, type) +} + +function createTexture2D(gl) { + if(arguments.length <= 1) { + throw new Error('gl-texture2d: Missing arguments for texture2d constructor') + } + if(!linearTypes) { + lazyInitLinearTypes(gl) + } + if(typeof arguments[1] === 'number') { + return createTextureShape(gl, arguments[1], arguments[2], arguments[3]||gl.RGBA, arguments[4]||gl.UNSIGNED_BYTE) + } + if(Array.isArray(arguments[1])) { + return createTextureShape(gl, arguments[1][0]|0, arguments[1][1]|0, arguments[2]||gl.RGBA, arguments[3]||gl.UNSIGNED_BYTE) + } + if(typeof arguments[1] === 'object') { + var obj = arguments[1] + var directData = acceptTextureDOM(obj) ? obj : obj.raw + if (directData) { + return createTextureDOM(gl, directData, obj.width|0, obj.height|0, arguments[2]||gl.RGBA, arguments[3]||gl.UNSIGNED_BYTE) + } else if(obj.shape && obj.data && obj.stride) { + return createTextureArray(gl, obj) + } + } + throw new Error('gl-texture2d: Invalid arguments for texture2d constructor') +} + +},{"ndarray":458,"ndarray-ops":452,"typedarray-pool":554}],256:[function(require,module,exports){ +"use strict" + +function doBind(gl, elements, attributes) { + if(elements) { + elements.bind() + } else { + gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null) + } + var nattribs = gl.getParameter(gl.MAX_VERTEX_ATTRIBS)|0 + if(attributes) { + if(attributes.length > nattribs) { + throw new Error("gl-vao: Too many vertex attributes") + } + for(var i=0; i 0) { + //TODO: evaluate use of glm_invsqrt here? + len = 1 / Math.sqrt(len) + out[0] = a[0] * len + out[1] = a[1] * len + out[2] = a[2] * len + } + return out +} +},{}],265:[function(require,module,exports){ +module.exports = transformMat4 + +/** + * Transforms the vec4 with a mat4. + * + * @param {vec4} out the receiving vector + * @param {vec4} a the vector to transform + * @param {mat4} m matrix to transform with + * @returns {vec4} out + */ +function transformMat4 (out, a, m) { + var x = a[0], y = a[1], z = a[2], w = a[3] + out[0] = m[0] * x + m[4] * y + m[8] * z + m[12] * w + out[1] = m[1] * x + m[5] * y + m[9] * z + m[13] * w + out[2] = m[2] * x + m[6] * y + m[10] * z + m[14] * w + out[3] = m[3] * x + m[7] * y + m[11] * z + m[15] * w + return out +} + +},{}],266:[function(require,module,exports){ +module.exports = decodeFloat + +var UINT8_VIEW = new Uint8Array(4) +var FLOAT_VIEW = new Float32Array(UINT8_VIEW.buffer) + +function decodeFloat(x, y, z, w) { + UINT8_VIEW[0] = w + UINT8_VIEW[1] = z + UINT8_VIEW[2] = y + UINT8_VIEW[3] = x + return FLOAT_VIEW[0] +} + +},{}],267:[function(require,module,exports){ +var tokenize = require('glsl-tokenizer') +var atob = require('atob-lite') + +module.exports = getName + +function getName(src) { + var tokens = Array.isArray(src) + ? src + : tokenize(src) + + for (var i = 0; i < tokens.length; i++) { + var token = tokens[i] + if (token.type !== 'preprocessor') continue + var match = token.data.match(/\#define\s+SHADER_NAME(_B64)?\s+(.+)$/) + if (!match) continue + if (!match[2]) continue + + var b64 = match[1] + var name = match[2] + + return (b64 ? atob(name) : name).trim() + } +} + +},{"atob-lite":52,"glsl-tokenizer":274}],268:[function(require,module,exports){ +module.exports = tokenize + +var literals100 = require('./lib/literals') + , operators = require('./lib/operators') + , builtins100 = require('./lib/builtins') + , literals300es = require('./lib/literals-300es') + , builtins300es = require('./lib/builtins-300es') + +var NORMAL = 999 // <-- never emitted + , TOKEN = 9999 // <-- never emitted + , BLOCK_COMMENT = 0 + , LINE_COMMENT = 1 + , PREPROCESSOR = 2 + , OPERATOR = 3 + , INTEGER = 4 + , FLOAT = 5 + , IDENT = 6 + , BUILTIN = 7 + , KEYWORD = 8 + , WHITESPACE = 9 + , EOF = 10 + , HEX = 11 + +var map = [ + 'block-comment' + , 'line-comment' + , 'preprocessor' + , 'operator' + , 'integer' + , 'float' + , 'ident' + , 'builtin' + , 'keyword' + , 'whitespace' + , 'eof' + , 'integer' +] + +function tokenize(opt) { + var i = 0 + , total = 0 + , mode = NORMAL + , c + , last + , content = [] + , tokens = [] + , token_idx = 0 + , token_offs = 0 + , line = 1 + , col = 0 + , start = 0 + , isnum = false + , isoperator = false + , input = '' + , len + + opt = opt || {} + var allBuiltins = builtins100 + var allLiterals = literals100 + if (opt.version === '300 es') { + allBuiltins = builtins300es + allLiterals = literals300es + } + + return function(data) { + tokens = [] + if (data !== null) return write(data.replace ? data.replace(/\r\n/g, '\n') : data) + return end() + } + + function token(data) { + if (data.length) { + tokens.push({ + type: map[mode] + , data: data + , position: start + , line: line + , column: col + }) + } + } + + function write(chunk) { + i = 0 + input += chunk + len = input.length + + var last + + while(c = input[i], i < len) { + last = i + + switch(mode) { + case BLOCK_COMMENT: i = block_comment(); break + case LINE_COMMENT: i = line_comment(); break + case PREPROCESSOR: i = preprocessor(); break + case OPERATOR: i = operator(); break + case INTEGER: i = integer(); break + case HEX: i = hex(); break + case FLOAT: i = decimal(); break + case TOKEN: i = readtoken(); break + case WHITESPACE: i = whitespace(); break + case NORMAL: i = normal(); break + } + + if(last !== i) { + switch(input[last]) { + case '\n': col = 0; ++line; break + default: ++col; break + } + } + } + + total += i + input = input.slice(i) + return tokens + } + + function end(chunk) { + if(content.length) { + token(content.join('')) + } + + mode = EOF + token('(eof)') + return tokens + } + + function normal() { + content = content.length ? [] : content + + if(last === '/' && c === '*') { + start = total + i - 1 + mode = BLOCK_COMMENT + last = c + return i + 1 + } + + if(last === '/' && c === '/') { + start = total + i - 1 + mode = LINE_COMMENT + last = c + return i + 1 + } + + if(c === '#') { + mode = PREPROCESSOR + start = total + i + return i + } + + if(/\s/.test(c)) { + mode = WHITESPACE + start = total + i + return i + } + + isnum = /\d/.test(c) + isoperator = /[^\w_]/.test(c) + + start = total + i + mode = isnum ? INTEGER : isoperator ? OPERATOR : TOKEN + return i + } + + function whitespace() { + if(/[^\s]/g.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + content.push(c) + last = c + return i + 1 + } + + function preprocessor() { + if((c === '\r' || c === '\n') && last !== '\\') { + token(content.join('')) + mode = NORMAL + return i + } + content.push(c) + last = c + return i + 1 + } + + function line_comment() { + return preprocessor() + } + + function block_comment() { + if(c === '/' && last === '*') { + content.push(c) + token(content.join('')) + mode = NORMAL + return i + 1 + } + + content.push(c) + last = c + return i + 1 + } + + function operator() { + if(last === '.' && /\d/.test(c)) { + mode = FLOAT + return i + } + + if(last === '/' && c === '*') { + mode = BLOCK_COMMENT + return i + } + + if(last === '/' && c === '/') { + mode = LINE_COMMENT + return i + } + + if(c === '.' && content.length) { + while(determine_operator(content)); + + mode = FLOAT + return i + } + + if(c === ';' || c === ')' || c === '(') { + if(content.length) while(determine_operator(content)); + token(c) + mode = NORMAL + return i + 1 + } + + var is_composite_operator = content.length === 2 && c !== '=' + if(/[\w_\d\s]/.test(c) || is_composite_operator) { + while(determine_operator(content)); + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function determine_operator(buf) { + var j = 0 + , idx + , res + + do { + idx = operators.indexOf(buf.slice(0, buf.length + j).join('')) + res = operators[idx] + + if(idx === -1) { + if(j-- + buf.length > 0) continue + res = buf.slice(0, 1).join('') + } + + token(res) + + start += res.length + content = content.slice(res.length) + return content.length + } while(1) + } + + function hex() { + if(/[^a-fA-F0-9]/.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function integer() { + if(c === '.') { + content.push(c) + mode = FLOAT + last = c + return i + 1 + } + + if(/[eE]/.test(c)) { + content.push(c) + mode = FLOAT + last = c + return i + 1 + } + + if(c === 'x' && content.length === 1 && content[0] === '0') { + mode = HEX + content.push(c) + last = c + return i + 1 + } + + if(/[^\d]/.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function decimal() { + if(c === 'f') { + content.push(c) + last = c + i += 1 + } + + if(/[eE]/.test(c)) { + content.push(c) + last = c + return i + 1 + } + + if (c === '-' && /[eE]/.test(last)) { + content.push(c) + last = c + return i + 1 + } + + if(/[^\d]/.test(c)) { + token(content.join('')) + mode = NORMAL + return i + } + + content.push(c) + last = c + return i + 1 + } + + function readtoken() { + if(/[^\d\w_]/.test(c)) { + var contentstr = content.join('') + if(allLiterals.indexOf(contentstr) > -1) { + mode = KEYWORD + } else if(allBuiltins.indexOf(contentstr) > -1) { + mode = BUILTIN + } else { + mode = IDENT + } + token(content.join('')) + mode = NORMAL + return i + } + content.push(c) + last = c + return i + 1 + } +} + +},{"./lib/builtins":270,"./lib/builtins-300es":269,"./lib/literals":272,"./lib/literals-300es":271,"./lib/operators":273}],269:[function(require,module,exports){ +// 300es builtins/reserved words that were previously valid in v100 +var v100 = require('./builtins') // The texture2D|Cube functions have been removed // And the gl_ features are updated @@ -51861,19 +51861,19 @@ GridIndex.prototype.toArrayBuffer = function() { },{}],276:[function(require,module,exports){ (function (global){ -'use strict' - -var isBrowser = require('is-browser') -var hasHover - -if (typeof global.matchMedia === 'function') { - hasHover = !global.matchMedia('(hover: none)').matches -} -else { - hasHover = isBrowser -} - -module.exports = hasHover +'use strict' + +var isBrowser = require('is-browser') +var hasHover + +if (typeof global.matchMedia === 'function') { + hasHover = !global.matchMedia('(hover: none)').matches +} +else { + hasHover = isBrowser +} + +module.exports = hasHover }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"is-browser":282}],277:[function(require,module,exports){ @@ -52840,7 +52840,7 @@ function isMobile (ua) { } if (typeof ua != 'string') return false; - return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0,4)); + return /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(ad|hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i.test(ua) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(ua.substr(0,4)); } @@ -52854,18 +52854,18 @@ module.exports = function (x) { }; },{}],287:[function(require,module,exports){ -'use strict' - -module.exports = function isPath(str) { - if (typeof str !== 'string') return false - - str = str.trim() - - // https://www.w3.org/TR/SVG/paths.html#PathDataBNF - if (/^[mzlhvcsqta]\s*[-+.0-9][^mlhvzcsqta]+/i.test(str) && /[\dz]$/i.test(str) && str.length > 4) return true - - return false -} +'use strict' + +module.exports = function isPath(str) { + if (typeof str !== 'string') return false + + str = str.trim() + + // https://www.w3.org/TR/SVG/paths.html#PathDataBNF + if (/^[mzlhvcsqta]\s*[-+.0-9][^mlhvzcsqta]+/i.test(str) && /[\dz]$/i.test(str) && str.length > 4) return true + + return false +} },{}],288:[function(require,module,exports){ 'use strict'; @@ -53082,193 +53082,193 @@ function sqDist(ax, ay, bx, by) { } },{}],292:[function(require,module,exports){ -/** - * @module kdgrass - * - * Static kdbush - */ - -'use strict' - -module.exports = KDTree - -//optimized kdbush -function KDTree(points, nodeSize) { - if (!(this instanceof KDTree)) return new KDTree(points, nodeSize) - - this.nodeSize = nodeSize || 64; - - this.coords = points.slice(); - - var l = Math.floor(points.length / 2) - this.ids = Array(l); - - for (var i = 0; i < l; i++) { - this.ids[i] = i; - } - - sortKD(this.ids, this.coords, this.nodeSize, 0, this.ids.length - 1, 0); -} - - -KDTree.prototype.range = function range(minX, minY, maxX, maxY) { - var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize - var stack = [0, ids.length - 1, 0]; - var result = []; - var x, y; - - while (stack.length) { - var axis = stack.pop(); - var right = stack.pop(); - var left = stack.pop(); - - if (right - left <= nodeSize) { - for (var i = left; i <= right; i++) { - x = coords[2 * i]; - y = coords[2 * i + 1]; - if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[i]); - } - continue; - } - - var m = Math.floor((left + right) / 2); - - x = coords[2 * m]; - y = coords[2 * m + 1]; - - if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[m]); - - var nextAxis = (axis + 1) % 2; - - if (axis === 0 ? minX <= x : minY <= y) { - stack.push(left); - stack.push(m - 1); - stack.push(nextAxis); - } - if (axis === 0 ? maxX >= x : maxY >= y) { - stack.push(m + 1); - stack.push(right); - stack.push(nextAxis); - } - } - - return result; -} - - -KDTree.prototype.within = function within(qx, qy, r) { - var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize - var stack = [0, ids.length - 1, 0]; - var result = []; - var r2 = r * r; - - while (stack.length) { - var axis = stack.pop(); - var right = stack.pop(); - var left = stack.pop(); - - if (right - left <= nodeSize) { - for (var i = left; i <= right; i++) { - if (sqDist(coords[2 * i], coords[2 * i + 1], qx, qy) <= r2) result.push(ids[i]); - } - continue; - } - - var m = Math.floor((left + right) / 2); - - var x = coords[2 * m]; - var y = coords[2 * m + 1]; - - if (sqDist(x, y, qx, qy) <= r2) result.push(ids[m]); - - var nextAxis = (axis + 1) % 2; - - if (axis === 0 ? qx - r <= x : qy - r <= y) { - stack.push(left); - stack.push(m - 1); - stack.push(nextAxis); - } - if (axis === 0 ? qx + r >= x : qy + r >= y) { - stack.push(m + 1); - stack.push(right); - stack.push(nextAxis); - } - } - - return result; -} - -function sqDist(ax, ay, bx, by) { - var dx = ax - bx; - var dy = ay - by; - return dx * dx + dy * dy; -} - - -function sortKD(ids, coords, nodeSize, left, right, depth) { - if (right - left <= nodeSize) return; - - var m = Math.floor((left + right) / 2); - - select(ids, coords, m, left, right, depth % 2); - - sortKD(ids, coords, nodeSize, left, m - 1, depth + 1); - sortKD(ids, coords, nodeSize, m + 1, right, depth + 1); -} - -function select(ids, coords, k, left, right, inc) { - - while (right > left) { - if (right - left > 600) { - var n = right - left + 1; - var m = k - left + 1; - var z = Math.log(n); - var s = 0.5 * Math.exp(2 * z / 3); - var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); - var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); - var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); - select(ids, coords, k, newLeft, newRight, inc); - } - - var t = coords[2 * k + inc]; - var i = left; - var j = right; - - swapItem(ids, coords, left, k); - if (coords[2 * right + inc] > t) swapItem(ids, coords, left, right); - - while (i < j) { - swapItem(ids, coords, i, j); - i++; - j--; - while (coords[2 * i + inc] < t) i++; - while (coords[2 * j + inc] > t) j--; - } - - if (coords[2 * left + inc] === t) swapItem(ids, coords, left, j); - else { - j++; - swapItem(ids, coords, j, right); - } - - if (j <= k) left = j + 1; - if (k <= j) right = j - 1; - } -} - -function swapItem(ids, coords, i, j) { - swap(ids, i, j); - swap(coords, 2 * i, 2 * j); - swap(coords, 2 * i + 1, 2 * j + 1); -} - -function swap(arr, i, j) { - var tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; -} - - +/** + * @module kdgrass + * + * Static kdbush + */ + +'use strict' + +module.exports = KDTree + +//optimized kdbush +function KDTree(points, nodeSize) { + if (!(this instanceof KDTree)) return new KDTree(points, nodeSize) + + this.nodeSize = nodeSize || 64; + + this.coords = points.slice(); + + var l = Math.floor(points.length / 2) + this.ids = Array(l); + + for (var i = 0; i < l; i++) { + this.ids[i] = i; + } + + sortKD(this.ids, this.coords, this.nodeSize, 0, this.ids.length - 1, 0); +} + + +KDTree.prototype.range = function range(minX, minY, maxX, maxY) { + var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize + var stack = [0, ids.length - 1, 0]; + var result = []; + var x, y; + + while (stack.length) { + var axis = stack.pop(); + var right = stack.pop(); + var left = stack.pop(); + + if (right - left <= nodeSize) { + for (var i = left; i <= right; i++) { + x = coords[2 * i]; + y = coords[2 * i + 1]; + if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[i]); + } + continue; + } + + var m = Math.floor((left + right) / 2); + + x = coords[2 * m]; + y = coords[2 * m + 1]; + + if (x >= minX && x <= maxX && y >= minY && y <= maxY) result.push(ids[m]); + + var nextAxis = (axis + 1) % 2; + + if (axis === 0 ? minX <= x : minY <= y) { + stack.push(left); + stack.push(m - 1); + stack.push(nextAxis); + } + if (axis === 0 ? maxX >= x : maxY >= y) { + stack.push(m + 1); + stack.push(right); + stack.push(nextAxis); + } + } + + return result; +} + + +KDTree.prototype.within = function within(qx, qy, r) { + var ids = this.ids, coords = this.coords, nodeSize = this.nodeSize + var stack = [0, ids.length - 1, 0]; + var result = []; + var r2 = r * r; + + while (stack.length) { + var axis = stack.pop(); + var right = stack.pop(); + var left = stack.pop(); + + if (right - left <= nodeSize) { + for (var i = left; i <= right; i++) { + if (sqDist(coords[2 * i], coords[2 * i + 1], qx, qy) <= r2) result.push(ids[i]); + } + continue; + } + + var m = Math.floor((left + right) / 2); + + var x = coords[2 * m]; + var y = coords[2 * m + 1]; + + if (sqDist(x, y, qx, qy) <= r2) result.push(ids[m]); + + var nextAxis = (axis + 1) % 2; + + if (axis === 0 ? qx - r <= x : qy - r <= y) { + stack.push(left); + stack.push(m - 1); + stack.push(nextAxis); + } + if (axis === 0 ? qx + r >= x : qy + r >= y) { + stack.push(m + 1); + stack.push(right); + stack.push(nextAxis); + } + } + + return result; +} + +function sqDist(ax, ay, bx, by) { + var dx = ax - bx; + var dy = ay - by; + return dx * dx + dy * dy; +} + + +function sortKD(ids, coords, nodeSize, left, right, depth) { + if (right - left <= nodeSize) return; + + var m = Math.floor((left + right) / 2); + + select(ids, coords, m, left, right, depth % 2); + + sortKD(ids, coords, nodeSize, left, m - 1, depth + 1); + sortKD(ids, coords, nodeSize, m + 1, right, depth + 1); +} + +function select(ids, coords, k, left, right, inc) { + + while (right > left) { + if (right - left > 600) { + var n = right - left + 1; + var m = k - left + 1; + var z = Math.log(n); + var s = 0.5 * Math.exp(2 * z / 3); + var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + select(ids, coords, k, newLeft, newRight, inc); + } + + var t = coords[2 * k + inc]; + var i = left; + var j = right; + + swapItem(ids, coords, left, k); + if (coords[2 * right + inc] > t) swapItem(ids, coords, left, right); + + while (i < j) { + swapItem(ids, coords, i, j); + i++; + j--; + while (coords[2 * i + inc] < t) i++; + while (coords[2 * j + inc] > t) j--; + } + + if (coords[2 * left + inc] === t) swapItem(ids, coords, left, j); + else { + j++; + swapItem(ids, coords, j, right); + } + + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; + } +} + +function swapItem(ids, coords, i, j) { + swap(ids, i, j); + swap(coords, 2 * i, 2 * j); + swap(coords, 2 * i + 1, 2 * j + 1); +} + +function swap(arr, i, j) { + var tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; +} + + },{}],293:[function(require,module,exports){ 'use strict'; @@ -73435,204 +73435,204 @@ module.exports = function recomposeMat4(matrix, translation, scale, skew, perspe return matrix } },{"gl-mat4/create":181,"gl-mat4/fromRotationTranslation":184,"gl-mat4/identity":185,"gl-mat4/multiply":188,"gl-mat4/scale":194,"gl-mat4/translate":195}],441:[function(require,module,exports){ -'use strict' - -var bsearch = require('binary-search-bounds') -var m4interp = require('mat4-interpolate') -var invert44 = require('gl-mat4/invert') -var rotateX = require('gl-mat4/rotateX') -var rotateY = require('gl-mat4/rotateY') -var rotateZ = require('gl-mat4/rotateZ') -var lookAt = require('gl-mat4/lookAt') -var translate = require('gl-mat4/translate') -var scale = require('gl-mat4/scale') -var normalize = require('gl-vec3/normalize') - -var DEFAULT_CENTER = [0,0,0] - -module.exports = createMatrixCameraController - -function MatrixCameraController(initialMatrix) { - this._components = initialMatrix.slice() - this._time = [0] - this.prevMatrix = initialMatrix.slice() - this.nextMatrix = initialMatrix.slice() - this.computedMatrix = initialMatrix.slice() - this.computedInverse = initialMatrix.slice() - this.computedEye = [0,0,0] - this.computedUp = [0,0,0] - this.computedCenter = [0,0,0] - this.computedRadius = [0] - this._limits = [-Infinity, Infinity] -} - -var proto = MatrixCameraController.prototype - -proto.recalcMatrix = function(t) { - var time = this._time - var tidx = bsearch.le(time, t) - var mat = this.computedMatrix - if(tidx < 0) { - return - } - var comps = this._components - if(tidx === time.length-1) { - var ptr = 16*tidx - for(var i=0; i<16; ++i) { - mat[i] = comps[ptr++] - } - } else { - var dt = (time[tidx+1] - time[tidx]) - var ptr = 16*tidx - var prev = this.prevMatrix - var allEqual = true - for(var i=0; i<16; ++i) { - prev[i] = comps[ptr++] - } - var next = this.nextMatrix - for(var i=0; i<16; ++i) { - next[i] = comps[ptr++] - allEqual = allEqual && (prev[i] === next[i]) - } - if(dt < 1e-6 || allEqual) { - for(var i=0; i<16; ++i) { - mat[i] = prev[i] - } - } else { - m4interp(mat, prev, next, (t - time[tidx])/dt) - } - } - - var up = this.computedUp - up[0] = mat[1] - up[1] = mat[5] - up[2] = mat[9] - normalize(up, up) - - var imat = this.computedInverse - invert44(imat, mat) - var eye = this.computedEye - var w = imat[15] - eye[0] = imat[12]/w - eye[1] = imat[13]/w - eye[2] = imat[14]/w - - var center = this.computedCenter - var radius = Math.exp(this.computedRadius[0]) - for(var i=0; i<3; ++i) { - center[i] = eye[i] - mat[2+4*i] * radius - } -} - -proto.idle = function(t) { - if(t < this.lastT()) { - return - } - var mc = this._components - var ptr = mc.length-16 - for(var i=0; i<16; ++i) { - mc.push(mc[ptr++]) - } - this._time.push(t) -} - -proto.flush = function(t) { - var idx = bsearch.gt(this._time, t) - 2 - if(idx < 0) { - return - } - this._time.splice(0, idx) - this._components.splice(0, 16*idx) -} - -proto.lastT = function() { - return this._time[this._time.length-1] -} - -proto.lookAt = function(t, eye, center, up) { - this.recalcMatrix(t) - eye = eye || this.computedEye - center = center || DEFAULT_CENTER - up = up || this.computedUp - this.setMatrix(t, lookAt(this.computedMatrix, eye, center, up)) - var d2 = 0.0 - for(var i=0; i<3; ++i) { - d2 += Math.pow(center[i] - eye[i], 2) - } - d2 = Math.log(Math.sqrt(d2)) - this.computedRadius[0] = d2 -} - -proto.rotate = function(t, yaw, pitch, roll) { - this.recalcMatrix(t) - var mat = this.computedInverse - if(yaw) rotateY(mat, mat, yaw) - if(pitch) rotateX(mat, mat, pitch) - if(roll) rotateZ(mat, mat, roll) - this.setMatrix(t, invert44(this.computedMatrix, mat)) -} - -var tvec = [0,0,0] - -proto.pan = function(t, dx, dy, dz) { - tvec[0] = -(dx || 0.0) - tvec[1] = -(dy || 0.0) - tvec[2] = -(dz || 0.0) - this.recalcMatrix(t) - var mat = this.computedInverse - translate(mat, mat, tvec) - this.setMatrix(t, invert44(mat, mat)) -} - -proto.translate = function(t, dx, dy, dz) { - tvec[0] = dx || 0.0 - tvec[1] = dy || 0.0 - tvec[2] = dz || 0.0 - this.recalcMatrix(t) - var mat = this.computedMatrix - translate(mat, mat, tvec) - this.setMatrix(t, mat) -} - -proto.setMatrix = function(t, mat) { - if(t < this.lastT()) { - return - } - this._time.push(t) - for(var i=0; i<16; ++i) { - this._components.push(mat[i]) - } -} - -proto.setDistance = function(t, d) { - this.computedRadius[0] = d -} - -proto.setDistanceLimits = function(a,b) { - var lim = this._limits - lim[0] = a - lim[1] = b -} - -proto.getDistanceLimits = function(out) { - var lim = this._limits - if(out) { - out[0] = lim[0] - out[1] = lim[1] - return out - } - return lim -} - -function createMatrixCameraController(options) { - options = options || {} - var matrix = options.matrix || - [1,0,0,0, - 0,1,0,0, - 0,0,1,0, - 0,0,0,1] - return new MatrixCameraController(matrix) -} +'use strict' + +var bsearch = require('binary-search-bounds') +var m4interp = require('mat4-interpolate') +var invert44 = require('gl-mat4/invert') +var rotateX = require('gl-mat4/rotateX') +var rotateY = require('gl-mat4/rotateY') +var rotateZ = require('gl-mat4/rotateZ') +var lookAt = require('gl-mat4/lookAt') +var translate = require('gl-mat4/translate') +var scale = require('gl-mat4/scale') +var normalize = require('gl-vec3/normalize') + +var DEFAULT_CENTER = [0,0,0] + +module.exports = createMatrixCameraController + +function MatrixCameraController(initialMatrix) { + this._components = initialMatrix.slice() + this._time = [0] + this.prevMatrix = initialMatrix.slice() + this.nextMatrix = initialMatrix.slice() + this.computedMatrix = initialMatrix.slice() + this.computedInverse = initialMatrix.slice() + this.computedEye = [0,0,0] + this.computedUp = [0,0,0] + this.computedCenter = [0,0,0] + this.computedRadius = [0] + this._limits = [-Infinity, Infinity] +} + +var proto = MatrixCameraController.prototype + +proto.recalcMatrix = function(t) { + var time = this._time + var tidx = bsearch.le(time, t) + var mat = this.computedMatrix + if(tidx < 0) { + return + } + var comps = this._components + if(tidx === time.length-1) { + var ptr = 16*tidx + for(var i=0; i<16; ++i) { + mat[i] = comps[ptr++] + } + } else { + var dt = (time[tidx+1] - time[tidx]) + var ptr = 16*tidx + var prev = this.prevMatrix + var allEqual = true + for(var i=0; i<16; ++i) { + prev[i] = comps[ptr++] + } + var next = this.nextMatrix + for(var i=0; i<16; ++i) { + next[i] = comps[ptr++] + allEqual = allEqual && (prev[i] === next[i]) + } + if(dt < 1e-6 || allEqual) { + for(var i=0; i<16; ++i) { + mat[i] = prev[i] + } + } else { + m4interp(mat, prev, next, (t - time[tidx])/dt) + } + } + + var up = this.computedUp + up[0] = mat[1] + up[1] = mat[5] + up[2] = mat[9] + normalize(up, up) + + var imat = this.computedInverse + invert44(imat, mat) + var eye = this.computedEye + var w = imat[15] + eye[0] = imat[12]/w + eye[1] = imat[13]/w + eye[2] = imat[14]/w + + var center = this.computedCenter + var radius = Math.exp(this.computedRadius[0]) + for(var i=0; i<3; ++i) { + center[i] = eye[i] - mat[2+4*i] * radius + } +} + +proto.idle = function(t) { + if(t < this.lastT()) { + return + } + var mc = this._components + var ptr = mc.length-16 + for(var i=0; i<16; ++i) { + mc.push(mc[ptr++]) + } + this._time.push(t) +} + +proto.flush = function(t) { + var idx = bsearch.gt(this._time, t) - 2 + if(idx < 0) { + return + } + this._time.splice(0, idx) + this._components.splice(0, 16*idx) +} + +proto.lastT = function() { + return this._time[this._time.length-1] +} + +proto.lookAt = function(t, eye, center, up) { + this.recalcMatrix(t) + eye = eye || this.computedEye + center = center || DEFAULT_CENTER + up = up || this.computedUp + this.setMatrix(t, lookAt(this.computedMatrix, eye, center, up)) + var d2 = 0.0 + for(var i=0; i<3; ++i) { + d2 += Math.pow(center[i] - eye[i], 2) + } + d2 = Math.log(Math.sqrt(d2)) + this.computedRadius[0] = d2 +} + +proto.rotate = function(t, yaw, pitch, roll) { + this.recalcMatrix(t) + var mat = this.computedInverse + if(yaw) rotateY(mat, mat, yaw) + if(pitch) rotateX(mat, mat, pitch) + if(roll) rotateZ(mat, mat, roll) + this.setMatrix(t, invert44(this.computedMatrix, mat)) +} + +var tvec = [0,0,0] + +proto.pan = function(t, dx, dy, dz) { + tvec[0] = -(dx || 0.0) + tvec[1] = -(dy || 0.0) + tvec[2] = -(dz || 0.0) + this.recalcMatrix(t) + var mat = this.computedInverse + translate(mat, mat, tvec) + this.setMatrix(t, invert44(mat, mat)) +} + +proto.translate = function(t, dx, dy, dz) { + tvec[0] = dx || 0.0 + tvec[1] = dy || 0.0 + tvec[2] = dz || 0.0 + this.recalcMatrix(t) + var mat = this.computedMatrix + translate(mat, mat, tvec) + this.setMatrix(t, mat) +} + +proto.setMatrix = function(t, mat) { + if(t < this.lastT()) { + return + } + this._time.push(t) + for(var i=0; i<16; ++i) { + this._components.push(mat[i]) + } +} + +proto.setDistance = function(t, d) { + this.computedRadius[0] = d +} + +proto.setDistanceLimits = function(a,b) { + var lim = this._limits + lim[0] = a + lim[1] = b +} + +proto.getDistanceLimits = function(out) { + var lim = this._limits + if(out) { + out[0] = lim[0] + out[1] = lim[1] + return out + } + return lim +} + +function createMatrixCameraController(options) { + options = options || {} + var matrix = options.matrix || + [1,0,0,0, + 0,1,0,0, + 0,0,1,0, + 0,0,0,1] + return new MatrixCameraController(matrix) +} },{"binary-search-bounds":70,"gl-mat4/invert":186,"gl-mat4/lookAt":187,"gl-mat4/rotateX":191,"gl-mat4/rotateY":192,"gl-mat4/rotateZ":193,"gl-mat4/scale":194,"gl-mat4/translate":195,"gl-vec3/normalize":264,"mat4-interpolate":439}],442:[function(require,module,exports){ 'use strict' @@ -78475,83 +78475,83 @@ exports.rank = rank exports.unrank = unrank },{"invert-permutation":280,"typedarray-pool":554}],473:[function(require,module,exports){ -'use strict' - - -module.exports = function pick (src, props, keepRest) { - var result = {}, prop, i - - if (typeof props === 'string') props = toList(props) - if (Array.isArray(props)) { - var res = {} - for (i = 0; i < props.length; i++) { - res[props[i]] = true - } - props = res - } - - // convert strings to lists - for (prop in props) { - props[prop] = toList(props[prop]) - } - - // keep-rest strategy requires unmatched props to be preserved - var occupied = {} - - for (prop in props) { - var aliases = props[prop] - - if (Array.isArray(aliases)) { - for (i = 0; i < aliases.length; i++) { - var alias = aliases[i] - - if (keepRest) { - occupied[alias] = true - } - - if (alias in src) { - result[prop] = src[alias] - - if (keepRest) { - for (var j = i; j < aliases.length; j++) { - occupied[aliases[j]] = true - } - } - - break - } - } - } - else if (prop in src) { - if (props[prop]) { - result[prop] = src[prop] - } - - if (keepRest) { - occupied[prop] = true - } - } - } - - if (keepRest) { - for (prop in src) { - if (occupied[prop]) continue - result[prop] = src[prop] - } - } - - return result -} - -var CACHE = {} - -function toList(arg) { - if (CACHE[arg]) return CACHE[arg] - if (typeof arg === 'string') { - arg = CACHE[arg] = arg.split(/\s*,\s*|\s+/) - } - return arg -} +'use strict' + + +module.exports = function pick (src, props, keepRest) { + var result = {}, prop, i + + if (typeof props === 'string') props = toList(props) + if (Array.isArray(props)) { + var res = {} + for (i = 0; i < props.length; i++) { + res[props[i]] = true + } + props = res + } + + // convert strings to lists + for (prop in props) { + props[prop] = toList(props[prop]) + } + + // keep-rest strategy requires unmatched props to be preserved + var occupied = {} + + for (prop in props) { + var aliases = props[prop] + + if (Array.isArray(aliases)) { + for (i = 0; i < aliases.length; i++) { + var alias = aliases[i] + + if (keepRest) { + occupied[alias] = true + } + + if (alias in src) { + result[prop] = src[alias] + + if (keepRest) { + for (var j = i; j < aliases.length; j++) { + occupied[aliases[j]] = true + } + } + + break + } + } + } + else if (prop in src) { + if (props[prop]) { + result[prop] = src[prop] + } + + if (keepRest) { + occupied[prop] = true + } + } + } + + if (keepRest) { + for (prop in src) { + if (occupied[prop]) continue + result[prop] = src[prop] + } + } + + return result +} + +var CACHE = {} + +function toList(arg) { + if (CACHE[arg]) return CACHE[arg] + if (typeof arg === 'string') { + arg = CACHE[arg] = arg.split(/\s*,\s*|\s+/) + } + return arg +} },{}],474:[function(require,module,exports){ "use strict" @@ -79471,4738 +79471,4738 @@ function BuildLog(){ return my; } -module.exports = BuildLog; +module.exports = BuildLog; + +},{}],481:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// provides the raw computation functions that takes epsilon into account +// +// zero is defined to be between (-epsilon, epsilon) exclusive +// + +function Epsilon(eps){ + if (typeof eps !== 'number') + eps = 0.0000000001; // sane default? sure why not + var my = { + epsilon: function(v){ + if (typeof v === 'number') + eps = v; + return eps; + }, + pointAboveOrOnLine: function(pt, left, right){ + var Ax = left[0]; + var Ay = left[1]; + var Bx = right[0]; + var By = right[1]; + var Cx = pt[0]; + var Cy = pt[1]; + return (Bx - Ax) * (Cy - Ay) - (By - Ay) * (Cx - Ax) >= -eps; + }, + pointBetween: function(p, left, right){ + // p must be collinear with left->right + // returns false if p == left, p == right, or left == right + var d_py_ly = p[1] - left[1]; + var d_rx_lx = right[0] - left[0]; + var d_px_lx = p[0] - left[0]; + var d_ry_ly = right[1] - left[1]; + + var dot = d_px_lx * d_rx_lx + d_py_ly * d_ry_ly; + // if `dot` is 0, then `p` == `left` or `left` == `right` (reject) + // if `dot` is less than 0, then `p` is to the left of `left` (reject) + if (dot < eps) + return false; + + var sqlen = d_rx_lx * d_rx_lx + d_ry_ly * d_ry_ly; + // if `dot` > `sqlen`, then `p` is to the right of `right` (reject) + // therefore, if `dot - sqlen` is greater than 0, then `p` is to the right of `right` (reject) + if (dot - sqlen > -eps) + return false; + + return true; + }, + pointsSameX: function(p1, p2){ + return Math.abs(p1[0] - p2[0]) < eps; + }, + pointsSameY: function(p1, p2){ + return Math.abs(p1[1] - p2[1]) < eps; + }, + pointsSame: function(p1, p2){ + return my.pointsSameX(p1, p2) && my.pointsSameY(p1, p2); + }, + pointsCompare: function(p1, p2){ + // returns -1 if p1 is smaller, 1 if p2 is smaller, 0 if equal + if (my.pointsSameX(p1, p2)) + return my.pointsSameY(p1, p2) ? 0 : (p1[1] < p2[1] ? -1 : 1); + return p1[0] < p2[0] ? -1 : 1; + }, + pointsCollinear: function(pt1, pt2, pt3){ + // does pt1->pt2->pt3 make a straight line? + // essentially this is just checking to see if the slope(pt1->pt2) === slope(pt2->pt3) + // if slopes are equal, then they must be collinear, because they share pt2 + var dx1 = pt1[0] - pt2[0]; + var dy1 = pt1[1] - pt2[1]; + var dx2 = pt2[0] - pt3[0]; + var dy2 = pt2[1] - pt3[1]; + return Math.abs(dx1 * dy2 - dx2 * dy1) < eps; + }, + linesIntersect: function(a0, a1, b0, b1){ + // returns false if the lines are coincident (e.g., parallel or on top of each other) + // + // returns an object if the lines intersect: + // { + // pt: [x, y], where the intersection point is at + // alongA: where intersection point is along A, + // alongB: where intersection point is along B + // } + // + // alongA and alongB will each be one of: -2, -1, 0, 1, 2 + // + // with the following meaning: + // + // -2 intersection point is before segment's first point + // -1 intersection point is directly on segment's first point + // 0 intersection point is between segment's first and second points (exclusive) + // 1 intersection point is directly on segment's second point + // 2 intersection point is after segment's second point + var adx = a1[0] - a0[0]; + var ady = a1[1] - a0[1]; + var bdx = b1[0] - b0[0]; + var bdy = b1[1] - b0[1]; + + var axb = adx * bdy - ady * bdx; + if (Math.abs(axb) < eps) + return false; // lines are coincident + + var dx = a0[0] - b0[0]; + var dy = a0[1] - b0[1]; + + var A = (bdx * dy - bdy * dx) / axb; + var B = (adx * dy - ady * dx) / axb; + + var ret = { + alongA: 0, + alongB: 0, + pt: [ + a0[0] + A * adx, + a0[1] + A * ady + ] + }; + + // categorize where intersection point is along A and B + + if (A <= -eps) + ret.alongA = -2; + else if (A < eps) + ret.alongA = -1; + else if (A - 1 <= -eps) + ret.alongA = 0; + else if (A - 1 < eps) + ret.alongA = 1; + else + ret.alongA = 2; + + if (B <= -eps) + ret.alongB = -2; + else if (B < eps) + ret.alongB = -1; + else if (B - 1 <= -eps) + ret.alongB = 0; + else if (B - 1 < eps) + ret.alongB = 1; + else + ret.alongB = 2; + + return ret; + }, + pointInsideRegion: function(pt, region){ + var x = pt[0]; + var y = pt[1]; + var last_x = region[region.length - 1][0]; + var last_y = region[region.length - 1][1]; + var inside = false; + for (var i = 0; i < region.length; i++){ + var curr_x = region[i][0]; + var curr_y = region[i][1]; + + // if y is between curr_y and last_y, and + // x is to the right of the boundary created by the line + if ((curr_y - y > eps) != (last_y - y > eps) && + (last_x - curr_x) * (y - curr_y) / (last_y - curr_y) + curr_x - x > eps) + inside = !inside + + last_x = curr_x; + last_y = curr_y; + } + return inside; + } + }; + return my; +} + +module.exports = Epsilon; + +},{}],482:[function(require,module,exports){ +// (c) Copyright 2017, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// convert between PolyBool polygon format and GeoJSON formats (Polygon and MultiPolygon) +// + +var GeoJSON = { + // convert a GeoJSON object to a PolyBool polygon + toPolygon: function(PolyBool, geojson){ + + // converts list of LineString's to segments + function GeoPoly(coords){ + // check for empty coords + if (coords.length <= 0) + return PolyBool.segments({ inverted: false, regions: [] }); + + // convert LineString to segments + function LineString(ls){ + // remove tail which should be the same as head + var reg = ls.slice(0, ls.length - 1); + return PolyBool.segments({ inverted: false, regions: [reg] }); + } + + // the first LineString is considered the outside + var out = LineString(coords[0]); + + // the rest of the LineStrings are considered interior holes, so subtract them from the + // current result + for (var i = 1; i < coords.length; i++) + out = PolyBool.selectDifference(PolyBool.combine(out, LineString(coords[i]))); + + return out; + } + + if (geojson.type === 'Polygon'){ + // single polygon, so just convert it and we're done + return PolyBool.polygon(GeoPoly(geojson.coordinates)); + } + else if (geojson.type === 'MultiPolygon'){ + // multiple polygons, so union all the polygons together + var out = PolyBool.segments({ inverted: false, regions: [] }); + for (var i = 0; i < geojson.coordinates.length; i++) + out = PolyBool.selectUnion(PolyBool.combine(out, GeoPoly(geojson.coordinates[i]))); + return PolyBool.polygon(out); + } + throw new Error('PolyBool: Cannot convert GeoJSON object to PolyBool polygon'); + }, + + // convert a PolyBool polygon to a GeoJSON object + fromPolygon: function(PolyBool, eps, poly){ + // make sure out polygon is clean + poly = PolyBool.polygon(PolyBool.segments(poly)); + + // test if r1 is inside r2 + function regionInsideRegion(r1, r2){ + // we're guaranteed no lines intersect (because the polygon is clean), but a vertex + // could be on the edge -- so we just average pt[0] and pt[1] to produce a point on the + // edge of the first line, which cannot be on an edge + return eps.pointInsideRegion([ + (r1[0][0] + r1[1][0]) * 0.5, + (r1[0][1] + r1[1][1]) * 0.5 + ], r2); + } + + // calculate inside heirarchy + // + // _____________________ _______ roots -> A -> F + // | A | | F | | | + // | _______ _______ | | ___ | +-- B +-- G + // | | B | | C | | | | | | | | + // | | ___ | | ___ | | | | | | | +-- D + // | | | D | | | | E | | | | | G | | | + // | | |___| | | |___| | | | | | | +-- C + // | |_______| |_______| | | |___| | | + // |_____________________| |_______| +-- E + + function newNode(region){ + return { + region: region, + children: [] + }; + } + + var roots = newNode(null); + + function addChild(root, region){ + // first check if we're inside any children + for (var i = 0; i < root.children.length; i++){ + var child = root.children[i]; + if (regionInsideRegion(region, child.region)){ + // we are, so insert inside them instead + addChild(child, region); + return; + } + } + + // not inside any children, so check to see if any children are inside us + var node = newNode(region); + for (var i = 0; i < root.children.length; i++){ + var child = root.children[i]; + if (regionInsideRegion(child.region, region)){ + // oops... move the child beneath us, and remove them from root + node.children.push(child); + root.children.splice(i, 1); + i--; + } + } + + // now we can add ourselves + root.children.push(node); + } + + // add all regions to the root + for (var i = 0; i < poly.regions.length; i++){ + var region = poly.regions[i]; + if (region.length < 3) // regions must have at least 3 points (sanity check) + continue; + addChild(roots, region); + } + + // with our heirarchy, we can distinguish between exterior borders, and interior holes + // the root nodes are exterior, children are interior, children's children are exterior, + // children's children's children are interior, etc + + // while we're at it, exteriors are counter-clockwise, and interiors are clockwise + + function forceWinding(region, clockwise){ + // first, see if we're clockwise or counter-clockwise + // https://en.wikipedia.org/wiki/Shoelace_formula + var winding = 0; + var last_x = region[region.length - 1][0]; + var last_y = region[region.length - 1][1]; + var copy = []; + for (var i = 0; i < region.length; i++){ + var curr_x = region[i][0]; + var curr_y = region[i][1]; + copy.push([curr_x, curr_y]); // create a copy while we're at it + winding += curr_y * last_x - curr_x * last_y; + last_x = curr_x; + last_y = curr_y; + } + // this assumes Cartesian coordinates (Y is positive going up) + var isclockwise = winding < 0; + if (isclockwise !== clockwise) + copy.reverse(); + // while we're here, the last point must be the first point... + copy.push([copy[0][0], copy[0][1]]); + return copy; + } + + var geopolys = []; + + function addExterior(node){ + var poly = [forceWinding(node.region, false)]; + geopolys.push(poly); + // children of exteriors are interior + for (var i = 0; i < node.children.length; i++) + poly.push(getInterior(node.children[i])); + } + + function getInterior(node){ + // children of interiors are exterior + for (var i = 0; i < node.children.length; i++) + addExterior(node.children[i]); + // return the clockwise interior + return forceWinding(node.region, true); + } + + // root nodes are exterior + for (var i = 0; i < roots.children.length; i++) + addExterior(roots.children[i]); + + // lastly, construct the approrpriate GeoJSON object + + if (geopolys.length <= 0) // empty GeoJSON Polygon + return { type: 'Polygon', coordinates: [] }; + if (geopolys.length == 1) // use a GeoJSON Polygon + return { type: 'Polygon', coordinates: geopolys[0] }; + return { // otherwise, use a GeoJSON MultiPolygon + type: 'MultiPolygon', + coordinates: geopolys + }; + } +}; + +module.exports = GeoJSON; + +},{}],483:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// this is the core work-horse +// + +var LinkedList = require('./linked-list'); + +function Intersecter(selfIntersection, eps, buildLog){ + // selfIntersection is true/false depending on the phase of the overall algorithm + + // + // segment creation + // + + function segmentNew(start, end){ + return { + id: buildLog ? buildLog.segmentId() : -1, + start: start, + end: end, + myFill: { + above: null, // is there fill above us? + below: null // is there fill below us? + }, + otherFill: null + }; + } + + function segmentCopy(start, end, seg){ + return { + id: buildLog ? buildLog.segmentId() : -1, + start: start, + end: end, + myFill: { + above: seg.myFill.above, + below: seg.myFill.below + }, + otherFill: null + }; + } + + // + // event logic + // + + var event_root = LinkedList.create(); + + function eventCompare(p1_isStart, p1_1, p1_2, p2_isStart, p2_1, p2_2){ + // compare the selected points first + var comp = eps.pointsCompare(p1_1, p2_1); + if (comp !== 0) + return comp; + // the selected points are the same + + if (eps.pointsSame(p1_2, p2_2)) // if the non-selected points are the same too... + return 0; // then the segments are equal + + if (p1_isStart !== p2_isStart) // if one is a start and the other isn't... + return p1_isStart ? 1 : -1; // favor the one that isn't the start + + // otherwise, we'll have to calculate which one is below the other manually + return eps.pointAboveOrOnLine(p1_2, + p2_isStart ? p2_1 : p2_2, // order matters + p2_isStart ? p2_2 : p2_1 + ) ? 1 : -1; + } + + function eventAdd(ev, other_pt){ + event_root.insertBefore(ev, function(here){ + // should ev be inserted before here? + var comp = eventCompare( + ev .isStart, ev .pt, other_pt, + here.isStart, here.pt, here.other.pt + ); + return comp < 0; + }); + } + + function eventAddSegmentStart(seg, primary){ + var ev_start = LinkedList.node({ + isStart: true, + pt: seg.start, + seg: seg, + primary: primary, + other: null, + status: null + }); + eventAdd(ev_start, seg.end); + return ev_start; + } + + function eventAddSegmentEnd(ev_start, seg, primary){ + var ev_end = LinkedList.node({ + isStart: false, + pt: seg.end, + seg: seg, + primary: primary, + other: ev_start, + status: null + }); + ev_start.other = ev_end; + eventAdd(ev_end, ev_start.pt); + } + + function eventAddSegment(seg, primary){ + var ev_start = eventAddSegmentStart(seg, primary); + eventAddSegmentEnd(ev_start, seg, primary); + return ev_start; + } -},{}],481:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + function eventUpdateEnd(ev, end){ + // slides an end backwards + // (start)------------(end) to: + // (start)---(end) -// -// provides the raw computation functions that takes epsilon into account -// -// zero is defined to be between (-epsilon, epsilon) exclusive -// + if (buildLog) + buildLog.segmentChop(ev.seg, end); -function Epsilon(eps){ - if (typeof eps !== 'number') - eps = 0.0000000001; // sane default? sure why not - var my = { - epsilon: function(v){ - if (typeof v === 'number') - eps = v; - return eps; - }, - pointAboveOrOnLine: function(pt, left, right){ - var Ax = left[0]; - var Ay = left[1]; - var Bx = right[0]; - var By = right[1]; - var Cx = pt[0]; - var Cy = pt[1]; - return (Bx - Ax) * (Cy - Ay) - (By - Ay) * (Cx - Ax) >= -eps; - }, - pointBetween: function(p, left, right){ - // p must be collinear with left->right - // returns false if p == left, p == right, or left == right - var d_py_ly = p[1] - left[1]; - var d_rx_lx = right[0] - left[0]; - var d_px_lx = p[0] - left[0]; - var d_ry_ly = right[1] - left[1]; + ev.other.remove(); + ev.seg.end = end; + ev.other.pt = end; + eventAdd(ev.other, ev.pt); + } - var dot = d_px_lx * d_rx_lx + d_py_ly * d_ry_ly; - // if `dot` is 0, then `p` == `left` or `left` == `right` (reject) - // if `dot` is less than 0, then `p` is to the left of `left` (reject) - if (dot < eps) - return false; + function eventDivide(ev, pt){ + var ns = segmentCopy(pt, ev.seg.end, ev.seg); + eventUpdateEnd(ev, pt); + return eventAddSegment(ns, ev.primary); + } - var sqlen = d_rx_lx * d_rx_lx + d_ry_ly * d_ry_ly; - // if `dot` > `sqlen`, then `p` is to the right of `right` (reject) - // therefore, if `dot - sqlen` is greater than 0, then `p` is to the right of `right` (reject) - if (dot - sqlen > -eps) - return false; + function calculate(primaryPolyInverted, secondaryPolyInverted){ + // if selfIntersection is true then there is no secondary polygon, so that isn't used - return true; - }, - pointsSameX: function(p1, p2){ - return Math.abs(p1[0] - p2[0]) < eps; - }, - pointsSameY: function(p1, p2){ - return Math.abs(p1[1] - p2[1]) < eps; - }, - pointsSame: function(p1, p2){ - return my.pointsSameX(p1, p2) && my.pointsSameY(p1, p2); - }, - pointsCompare: function(p1, p2){ - // returns -1 if p1 is smaller, 1 if p2 is smaller, 0 if equal - if (my.pointsSameX(p1, p2)) - return my.pointsSameY(p1, p2) ? 0 : (p1[1] < p2[1] ? -1 : 1); - return p1[0] < p2[0] ? -1 : 1; - }, - pointsCollinear: function(pt1, pt2, pt3){ - // does pt1->pt2->pt3 make a straight line? - // essentially this is just checking to see if the slope(pt1->pt2) === slope(pt2->pt3) - // if slopes are equal, then they must be collinear, because they share pt2 - var dx1 = pt1[0] - pt2[0]; - var dy1 = pt1[1] - pt2[1]; - var dx2 = pt2[0] - pt3[0]; - var dy2 = pt2[1] - pt3[1]; - return Math.abs(dx1 * dy2 - dx2 * dy1) < eps; - }, - linesIntersect: function(a0, a1, b0, b1){ - // returns false if the lines are coincident (e.g., parallel or on top of each other) - // - // returns an object if the lines intersect: - // { - // pt: [x, y], where the intersection point is at - // alongA: where intersection point is along A, - // alongB: where intersection point is along B - // } - // - // alongA and alongB will each be one of: -2, -1, 0, 1, 2 - // - // with the following meaning: - // - // -2 intersection point is before segment's first point - // -1 intersection point is directly on segment's first point - // 0 intersection point is between segment's first and second points (exclusive) - // 1 intersection point is directly on segment's second point - // 2 intersection point is after segment's second point - var adx = a1[0] - a0[0]; - var ady = a1[1] - a0[1]; - var bdx = b1[0] - b0[0]; - var bdy = b1[1] - b0[1]; + // + // status logic + // - var axb = adx * bdy - ady * bdx; - if (Math.abs(axb) < eps) - return false; // lines are coincident + var status_root = LinkedList.create(); - var dx = a0[0] - b0[0]; - var dy = a0[1] - b0[1]; + function statusCompare(ev1, ev2){ + var a1 = ev1.seg.start; + var a2 = ev1.seg.end; + var b1 = ev2.seg.start; + var b2 = ev2.seg.end; - var A = (bdx * dy - bdy * dx) / axb; - var B = (adx * dy - ady * dx) / axb; + if (eps.pointsCollinear(a1, b1, b2)){ + if (eps.pointsCollinear(a2, b1, b2)) + return 1;//eventCompare(true, a1, a2, true, b1, b2); + return eps.pointAboveOrOnLine(a2, b1, b2) ? 1 : -1; + } + return eps.pointAboveOrOnLine(a1, b1, b2) ? 1 : -1; + } - var ret = { - alongA: 0, - alongB: 0, - pt: [ - a0[0] + A * adx, - a0[1] + A * ady - ] - }; + function statusFindSurrounding(ev){ + return status_root.findTransition(function(here){ + var comp = statusCompare(ev, here.ev); + return comp > 0; + }); + } - // categorize where intersection point is along A and B + function checkIntersection(ev1, ev2){ + // returns the segment equal to ev1, or false if nothing equal - if (A <= -eps) - ret.alongA = -2; - else if (A < eps) - ret.alongA = -1; - else if (A - 1 <= -eps) - ret.alongA = 0; - else if (A - 1 < eps) - ret.alongA = 1; - else - ret.alongA = 2; + var seg1 = ev1.seg; + var seg2 = ev2.seg; + var a1 = seg1.start; + var a2 = seg1.end; + var b1 = seg2.start; + var b2 = seg2.end; - if (B <= -eps) - ret.alongB = -2; - else if (B < eps) - ret.alongB = -1; - else if (B - 1 <= -eps) - ret.alongB = 0; - else if (B - 1 < eps) - ret.alongB = 1; - else - ret.alongB = 2; + if (buildLog) + buildLog.checkIntersection(seg1, seg2); - return ret; - }, - pointInsideRegion: function(pt, region){ - var x = pt[0]; - var y = pt[1]; - var last_x = region[region.length - 1][0]; - var last_y = region[region.length - 1][1]; - var inside = false; - for (var i = 0; i < region.length; i++){ - var curr_x = region[i][0]; - var curr_y = region[i][1]; + var i = eps.linesIntersect(a1, a2, b1, b2); - // if y is between curr_y and last_y, and - // x is to the right of the boundary created by the line - if ((curr_y - y > eps) != (last_y - y > eps) && - (last_x - curr_x) * (y - curr_y) / (last_y - curr_y) + curr_x - x > eps) - inside = !inside + if (i === false){ + // segments are parallel or coincident - last_x = curr_x; - last_y = curr_y; + // if points aren't collinear, then the segments are parallel, so no intersections + if (!eps.pointsCollinear(a1, a2, b1)) + return false; + // otherwise, segments are on top of each other somehow (aka coincident) + + if (eps.pointsSame(a1, b2) || eps.pointsSame(a2, b1)) + return false; // segments touch at endpoints... no intersection + + var a1_equ_b1 = eps.pointsSame(a1, b1); + var a2_equ_b2 = eps.pointsSame(a2, b2); + + if (a1_equ_b1 && a2_equ_b2) + return ev2; // segments are exactly equal + + var a1_between = !a1_equ_b1 && eps.pointBetween(a1, b1, b2); + var a2_between = !a2_equ_b2 && eps.pointBetween(a2, b1, b2); + + // handy for debugging: + // buildLog.log({ + // a1_equ_b1: a1_equ_b1, + // a2_equ_b2: a2_equ_b2, + // a1_between: a1_between, + // a2_between: a2_between + // }); + + if (a1_equ_b1){ + if (a2_between){ + // (a1)---(a2) + // (b1)----------(b2) + eventDivide(ev2, a2); + } + else{ + // (a1)----------(a2) + // (b1)---(b2) + eventDivide(ev1, b2); + } + return ev2; + } + else if (a1_between){ + if (!a2_equ_b2){ + // make a2 equal to b2 + if (a2_between){ + // (a1)---(a2) + // (b1)-----------------(b2) + eventDivide(ev2, a2); + } + else{ + // (a1)----------(a2) + // (b1)----------(b2) + eventDivide(ev1, b2); + } + } + + // (a1)---(a2) + // (b1)----------(b2) + eventDivide(ev2, a1); + } } - return inside; + else{ + // otherwise, lines intersect at i.pt, which may or may not be between the endpoints + + // is A divided between its endpoints? (exclusive) + if (i.alongA === 0){ + if (i.alongB === -1) // yes, at exactly b1 + eventDivide(ev1, b1); + else if (i.alongB === 0) // yes, somewhere between B's endpoints + eventDivide(ev1, i.pt); + else if (i.alongB === 1) // yes, at exactly b2 + eventDivide(ev1, b2); + } + + // is B divided between its endpoints? (exclusive) + if (i.alongB === 0){ + if (i.alongA === -1) // yes, at exactly a1 + eventDivide(ev2, a1); + else if (i.alongA === 0) // yes, somewhere between A's endpoints (exclusive) + eventDivide(ev2, i.pt); + else if (i.alongA === 1) // yes, at exactly a2 + eventDivide(ev2, a2); + } + } + return false; } - }; - return my; -} -module.exports = Epsilon; + // + // main event loop + // + var segments = []; + while (!event_root.isEmpty()){ + var ev = event_root.getHead(); -},{}],482:[function(require,module,exports){ -// (c) Copyright 2017, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + if (buildLog) + buildLog.vert(ev.pt[0]); -// -// convert between PolyBool polygon format and GeoJSON formats (Polygon and MultiPolygon) -// + if (ev.isStart){ -var GeoJSON = { - // convert a GeoJSON object to a PolyBool polygon - toPolygon: function(PolyBool, geojson){ + if (buildLog) + buildLog.segmentNew(ev.seg, ev.primary); - // converts list of LineString's to segments - function GeoPoly(coords){ - // check for empty coords - if (coords.length <= 0) - return PolyBool.segments({ inverted: false, regions: [] }); + var surrounding = statusFindSurrounding(ev); + var above = surrounding.before ? surrounding.before.ev : null; + var below = surrounding.after ? surrounding.after.ev : null; - // convert LineString to segments - function LineString(ls){ - // remove tail which should be the same as head - var reg = ls.slice(0, ls.length - 1); - return PolyBool.segments({ inverted: false, regions: [reg] }); - } + if (buildLog){ + buildLog.tempStatus( + ev.seg, + above ? above.seg : false, + below ? below.seg : false + ); + } - // the first LineString is considered the outside - var out = LineString(coords[0]); + function checkBothIntersections(){ + if (above){ + var eve = checkIntersection(ev, above); + if (eve) + return eve; + } + if (below) + return checkIntersection(ev, below); + return false; + } - // the rest of the LineStrings are considered interior holes, so subtract them from the - // current result - for (var i = 1; i < coords.length; i++) - out = PolyBool.selectDifference(PolyBool.combine(out, LineString(coords[i]))); + var eve = checkBothIntersections(); + if (eve){ + // ev and eve are equal + // we'll keep eve and throw away ev - return out; - } + // merge ev.seg's fill information into eve.seg - if (geojson.type === 'Polygon'){ - // single polygon, so just convert it and we're done - return PolyBool.polygon(GeoPoly(geojson.coordinates)); - } - else if (geojson.type === 'MultiPolygon'){ - // multiple polygons, so union all the polygons together - var out = PolyBool.segments({ inverted: false, regions: [] }); - for (var i = 0; i < geojson.coordinates.length; i++) - out = PolyBool.selectUnion(PolyBool.combine(out, GeoPoly(geojson.coordinates[i]))); - return PolyBool.polygon(out); - } - throw new Error('PolyBool: Cannot convert GeoJSON object to PolyBool polygon'); - }, + if (selfIntersection){ + var toggle; // are we a toggling edge? + if (ev.seg.myFill.below === null) + toggle = true; + else + toggle = ev.seg.myFill.above !== ev.seg.myFill.below; - // convert a PolyBool polygon to a GeoJSON object - fromPolygon: function(PolyBool, eps, poly){ - // make sure out polygon is clean - poly = PolyBool.polygon(PolyBool.segments(poly)); + // merge two segments that belong to the same polygon + // think of this as sandwiching two segments together, where `eve.seg` is + // the bottom -- this will cause the above fill flag to toggle + if (toggle) + eve.seg.myFill.above = !eve.seg.myFill.above; + } + else{ + // merge two segments that belong to different polygons + // each segment has distinct knowledge, so no special logic is needed + // note that this can only happen once per segment in this phase, because we + // are guaranteed that all self-intersections are gone + eve.seg.otherFill = ev.seg.myFill; + } - // test if r1 is inside r2 - function regionInsideRegion(r1, r2){ - // we're guaranteed no lines intersect (because the polygon is clean), but a vertex - // could be on the edge -- so we just average pt[0] and pt[1] to produce a point on the - // edge of the first line, which cannot be on an edge - return eps.pointInsideRegion([ - (r1[0][0] + r1[1][0]) * 0.5, - (r1[0][1] + r1[1][1]) * 0.5 - ], r2); - } + if (buildLog) + buildLog.segmentUpdate(eve.seg); - // calculate inside heirarchy - // - // _____________________ _______ roots -> A -> F - // | A | | F | | | - // | _______ _______ | | ___ | +-- B +-- G - // | | B | | C | | | | | | | | - // | | ___ | | ___ | | | | | | | +-- D - // | | | D | | | | E | | | | | G | | | - // | | |___| | | |___| | | | | | | +-- C - // | |_______| |_______| | | |___| | | - // |_____________________| |_______| +-- E + ev.other.remove(); + ev.remove(); + } + + if (event_root.getHead() !== ev){ + // something was inserted before us in the event queue, so loop back around and + // process it before continuing + if (buildLog) + buildLog.rewind(ev.seg); + continue; + } + + // + // calculate fill flags + // + if (selfIntersection){ + var toggle; // are we a toggling edge? + if (ev.seg.myFill.below === null) // if we are a new segment... + toggle = true; // then we toggle + else // we are a segment that has previous knowledge from a division + toggle = ev.seg.myFill.above !== ev.seg.myFill.below; // calculate toggle + + // next, calculate whether we are filled below us + if (!below){ // if nothing is below us... + // we are filled below us if the polygon is inverted + ev.seg.myFill.below = primaryPolyInverted; + } + else{ + // otherwise, we know the answer -- it's the same if whatever is below + // us is filled above it + ev.seg.myFill.below = below.seg.myFill.above; + } + + // since now we know if we're filled below us, we can calculate whether + // we're filled above us by applying toggle to whatever is below us + if (toggle) + ev.seg.myFill.above = !ev.seg.myFill.below; + else + ev.seg.myFill.above = ev.seg.myFill.below; + } + else{ + // now we fill in any missing transition information, since we are all-knowing + // at this point + + if (ev.seg.otherFill === null){ + // if we don't have other information, then we need to figure out if we're + // inside the other polygon + var inside; + if (!below){ + // if nothing is below us, then we're inside if the other polygon is + // inverted + inside = + ev.primary ? secondaryPolyInverted : primaryPolyInverted; + } + else{ // otherwise, something is below us + // so copy the below segment's other polygon's above + if (ev.primary === below.primary) + inside = below.seg.otherFill.above; + else + inside = below.seg.myFill.above; + } + ev.seg.otherFill = { + above: inside, + below: inside + }; + } + } + + if (buildLog){ + buildLog.status( + ev.seg, + above ? above.seg : false, + below ? below.seg : false + ); + } + + // insert the status and remember it for later removal + ev.other.status = surrounding.insert(LinkedList.node({ ev: ev })); + } + else{ + var st = ev.status; + + if (st === null){ + throw new Error('PolyBool: Zero-length segment detected; your epsilon is ' + + 'probably too small or too large'); + } - function newNode(region){ - return { - region: region, - children: [] - }; - } + // removing the status will create two new adjacent edges, so we'll need to check + // for those + if (status_root.exists(st.prev) && status_root.exists(st.next)) + checkIntersection(st.prev.ev, st.next.ev); - var roots = newNode(null); + if (buildLog) + buildLog.statusRemove(st.ev.seg); - function addChild(root, region){ - // first check if we're inside any children - for (var i = 0; i < root.children.length; i++){ - var child = root.children[i]; - if (regionInsideRegion(region, child.region)){ - // we are, so insert inside them instead - addChild(child, region); - return; - } - } + // remove the status + st.remove(); - // not inside any children, so check to see if any children are inside us - var node = newNode(region); - for (var i = 0; i < root.children.length; i++){ - var child = root.children[i]; - if (regionInsideRegion(child.region, region)){ - // oops... move the child beneath us, and remove them from root - node.children.push(child); - root.children.splice(i, 1); - i--; + // if we've reached this point, we've calculated everything there is to know, so + // save the segment for reporting + if (!ev.primary){ + // make sure `seg.myFill` actually points to the primary polygon though + var s = ev.seg.myFill; + ev.seg.myFill = ev.seg.otherFill; + ev.seg.otherFill = s; } + segments.push(ev.seg); } - // now we can add ourselves - root.children.push(node); + // remove the event and continue + event_root.getHead().remove(); } - // add all regions to the root - for (var i = 0; i < poly.regions.length; i++){ - var region = poly.regions[i]; - if (region.length < 3) // regions must have at least 3 points (sanity check) - continue; - addChild(roots, region); - } + if (buildLog) + buildLog.done(); - // with our heirarchy, we can distinguish between exterior borders, and interior holes - // the root nodes are exterior, children are interior, children's children are exterior, - // children's children's children are interior, etc + return segments; + } - // while we're at it, exteriors are counter-clockwise, and interiors are clockwise + // return the appropriate API depending on what we're doing + if (!selfIntersection){ + // performing combination of polygons, so only deal with already-processed segments + return { + calculate: function(segments1, inverted1, segments2, inverted2){ + // segmentsX come from the self-intersection API, or this API + // invertedX is whether we treat that list of segments as an inverted polygon or not + // returns segments that can be used for further operations + segments1.forEach(function(seg){ + eventAddSegment(segmentCopy(seg.start, seg.end, seg), true); + }); + segments2.forEach(function(seg){ + eventAddSegment(segmentCopy(seg.start, seg.end, seg), false); + }); + return calculate(inverted1, inverted2); + } + }; + } - function forceWinding(region, clockwise){ - // first, see if we're clockwise or counter-clockwise - // https://en.wikipedia.org/wiki/Shoelace_formula - var winding = 0; - var last_x = region[region.length - 1][0]; - var last_y = region[region.length - 1][1]; - var copy = []; + // otherwise, performing self-intersection, so deal with regions + return { + addRegion: function(region){ + // regions are a list of points: + // [ [0, 0], [100, 0], [50, 100] ] + // you can add multiple regions before running calculate + var pt1; + var pt2 = region[region.length - 1]; for (var i = 0; i < region.length; i++){ - var curr_x = region[i][0]; - var curr_y = region[i][1]; - copy.push([curr_x, curr_y]); // create a copy while we're at it - winding += curr_y * last_x - curr_x * last_y; - last_x = curr_x; - last_y = curr_y; - } - // this assumes Cartesian coordinates (Y is positive going up) - var isclockwise = winding < 0; - if (isclockwise !== clockwise) - copy.reverse(); - // while we're here, the last point must be the first point... - copy.push([copy[0][0], copy[0][1]]); - return copy; - } + pt1 = pt2; + pt2 = region[i]; - var geopolys = []; + var forward = eps.pointsCompare(pt1, pt2); + if (forward === 0) // points are equal, so we have a zero-length segment + continue; // just skip it - function addExterior(node){ - var poly = [forceWinding(node.region, false)]; - geopolys.push(poly); - // children of exteriors are interior - for (var i = 0; i < node.children.length; i++) - poly.push(getInterior(node.children[i])); + eventAddSegment( + segmentNew( + forward < 0 ? pt1 : pt2, + forward < 0 ? pt2 : pt1 + ), + true + ); + } + }, + calculate: function(inverted){ + // is the polygon inverted? + // returns segments + return calculate(inverted, false); } + }; +} - function getInterior(node){ - // children of interiors are exterior - for (var i = 0; i < node.children.length; i++) - addExterior(node.children[i]); - // return the clockwise interior - return forceWinding(node.region, true); - } +module.exports = Intersecter; - // root nodes are exterior - for (var i = 0; i < roots.children.length; i++) - addExterior(roots.children[i]); +},{"./linked-list":484}],484:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs - // lastly, construct the approrpriate GeoJSON object +// +// simple linked list implementation that allows you to traverse down nodes and save positions +// - if (geopolys.length <= 0) // empty GeoJSON Polygon - return { type: 'Polygon', coordinates: [] }; - if (geopolys.length == 1) // use a GeoJSON Polygon - return { type: 'Polygon', coordinates: geopolys[0] }; - return { // otherwise, use a GeoJSON MultiPolygon - type: 'MultiPolygon', - coordinates: geopolys +var LinkedList = { + create: function(){ + var my = { + root: { root: true, next: null }, + exists: function(node){ + if (node === null || node === my.root) + return false; + return true; + }, + isEmpty: function(){ + return my.root.next === null; + }, + getHead: function(){ + return my.root.next; + }, + insertBefore: function(node, check){ + var last = my.root; + var here = my.root.next; + while (here !== null){ + if (check(here)){ + node.prev = here.prev; + node.next = here; + here.prev.next = node; + here.prev = node; + return; + } + last = here; + here = here.next; + } + last.next = node; + node.prev = last; + node.next = null; + }, + findTransition: function(check){ + var prev = my.root; + var here = my.root.next; + while (here !== null){ + if (check(here)) + break; + prev = here; + here = here.next; + } + return { + before: prev === my.root ? null : prev, + after: here, + insert: function(node){ + node.prev = prev; + node.next = here; + prev.next = node; + if (here !== null) + here.prev = node; + return node; + } + }; + } + }; + return my; + }, + node: function(data){ + data.prev = null; + data.next = null; + data.remove = function(){ + data.prev.next = data.next; + if (data.next) + data.next.prev = data.prev; + data.prev = null; + data.next = null; }; + return data; } }; -module.exports = GeoJSON; +module.exports = LinkedList; -},{}],483:[function(require,module,exports){ +},{}],485:[function(require,module,exports){ // (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc // MIT License // Project Home: https://github.com/voidqk/polybooljs // -// this is the core work-horse +// converts a list of segments into a list of regions, while also removing unnecessary verticies // -var LinkedList = require('./linked-list'); +function SegmentChainer(segments, eps, buildLog){ + var chains = []; + var regions = []; -function Intersecter(selfIntersection, eps, buildLog){ - // selfIntersection is true/false depending on the phase of the overall algorithm + segments.forEach(function(seg){ + var pt1 = seg.start; + var pt2 = seg.end; + if (eps.pointsSame(pt1, pt2)){ + console.warn('PolyBool: Warning: Zero-length segment detected; your epsilon is ' + + 'probably too small or too large'); + return; + } - // - // segment creation - // + if (buildLog) + buildLog.chainStart(seg); - function segmentNew(start, end){ - return { - id: buildLog ? buildLog.segmentId() : -1, - start: start, - end: end, - myFill: { - above: null, // is there fill above us? - below: null // is there fill below us? - }, - otherFill: null + // search for two chains that this segment matches + var first_match = { + index: 0, + matches_head: false, + matches_pt1: false }; - } - - function segmentCopy(start, end, seg){ - return { - id: buildLog ? buildLog.segmentId() : -1, - start: start, - end: end, - myFill: { - above: seg.myFill.above, - below: seg.myFill.below - }, - otherFill: null + var second_match = { + index: 0, + matches_head: false, + matches_pt1: false }; - } + var next_match = first_match; + function setMatch(index, matches_head, matches_pt1){ + // return true if we've matched twice + next_match.index = index; + next_match.matches_head = matches_head; + next_match.matches_pt1 = matches_pt1; + if (next_match === first_match){ + next_match = second_match; + return false; + } + next_match = null; + return true; // we've matched twice, we're done here + } + for (var i = 0; i < chains.length; i++){ + var chain = chains[i]; + var head = chain[0]; + var head2 = chain[1]; + var tail = chain[chain.length - 1]; + var tail2 = chain[chain.length - 2]; + if (eps.pointsSame(head, pt1)){ + if (setMatch(i, true, true)) + break; + } + else if (eps.pointsSame(head, pt2)){ + if (setMatch(i, true, false)) + break; + } + else if (eps.pointsSame(tail, pt1)){ + if (setMatch(i, false, true)) + break; + } + else if (eps.pointsSame(tail, pt2)){ + if (setMatch(i, false, false)) + break; + } + } - // - // event logic - // + if (next_match === first_match){ + // we didn't match anything, so create a new chain + chains.push([ pt1, pt2 ]); + if (buildLog) + buildLog.chainNew(pt1, pt2); + return; + } - var event_root = LinkedList.create(); + if (next_match === second_match){ + // we matched a single chain - function eventCompare(p1_isStart, p1_1, p1_2, p2_isStart, p2_1, p2_2){ - // compare the selected points first - var comp = eps.pointsCompare(p1_1, p2_1); - if (comp !== 0) - return comp; - // the selected points are the same + if (buildLog) + buildLog.chainMatch(first_match.index); - if (eps.pointsSame(p1_2, p2_2)) // if the non-selected points are the same too... - return 0; // then the segments are equal + // add the other point to the apporpriate end, and check to see if we've closed the + // chain into a loop - if (p1_isStart !== p2_isStart) // if one is a start and the other isn't... - return p1_isStart ? 1 : -1; // favor the one that isn't the start + var index = first_match.index; + var pt = first_match.matches_pt1 ? pt2 : pt1; // if we matched pt1, then we add pt2, etc + var addToHead = first_match.matches_head; // if we matched at head, then add to the head - // otherwise, we'll have to calculate which one is below the other manually - return eps.pointAboveOrOnLine(p1_2, - p2_isStart ? p2_1 : p2_2, // order matters - p2_isStart ? p2_2 : p2_1 - ) ? 1 : -1; - } + var chain = chains[index]; + var grow = addToHead ? chain[0] : chain[chain.length - 1]; + var grow2 = addToHead ? chain[1] : chain[chain.length - 2]; + var oppo = addToHead ? chain[chain.length - 1] : chain[0]; + var oppo2 = addToHead ? chain[chain.length - 2] : chain[1]; - function eventAdd(ev, other_pt){ - event_root.insertBefore(ev, function(here){ - // should ev be inserted before here? - var comp = eventCompare( - ev .isStart, ev .pt, other_pt, - here.isStart, here.pt, here.other.pt - ); - return comp < 0; - }); - } + if (eps.pointsCollinear(grow2, grow, pt)){ + // grow isn't needed because it's directly between grow2 and pt: + // grow2 ---grow---> pt + if (addToHead){ + if (buildLog) + buildLog.chainRemoveHead(first_match.index, pt); + chain.shift(); + } + else{ + if (buildLog) + buildLog.chainRemoveTail(first_match.index, pt); + chain.pop(); + } + grow = grow2; // old grow is gone... new grow is what grow2 was + } - function eventAddSegmentStart(seg, primary){ - var ev_start = LinkedList.node({ - isStart: true, - pt: seg.start, - seg: seg, - primary: primary, - other: null, - status: null - }); - eventAdd(ev_start, seg.end); - return ev_start; - } + if (eps.pointsSame(oppo, pt)){ + // we're closing the loop, so remove chain from chains + chains.splice(index, 1); - function eventAddSegmentEnd(ev_start, seg, primary){ - var ev_end = LinkedList.node({ - isStart: false, - pt: seg.end, - seg: seg, - primary: primary, - other: ev_start, - status: null - }); - ev_start.other = ev_end; - eventAdd(ev_end, ev_start.pt); - } + if (eps.pointsCollinear(oppo2, oppo, grow)){ + // oppo isn't needed because it's directly between oppo2 and grow: + // oppo2 ---oppo--->grow + if (addToHead){ + if (buildLog) + buildLog.chainRemoveTail(first_match.index, grow); + chain.pop(); + } + else{ + if (buildLog) + buildLog.chainRemoveHead(first_match.index, grow); + chain.shift(); + } + } - function eventAddSegment(seg, primary){ - var ev_start = eventAddSegmentStart(seg, primary); - eventAddSegmentEnd(ev_start, seg, primary); - return ev_start; - } + if (buildLog) + buildLog.chainClose(first_match.index); - function eventUpdateEnd(ev, end){ - // slides an end backwards - // (start)------------(end) to: - // (start)---(end) + // we have a closed chain! + regions.push(chain); + return; + } - if (buildLog) - buildLog.segmentChop(ev.seg, end); + // not closing a loop, so just add it to the apporpriate side + if (addToHead){ + if (buildLog) + buildLog.chainAddHead(first_match.index, pt); + chain.unshift(pt); + } + else{ + if (buildLog) + buildLog.chainAddTail(first_match.index, pt); + chain.push(pt); + } + return; + } - ev.other.remove(); - ev.seg.end = end; - ev.other.pt = end; - eventAdd(ev.other, ev.pt); - } + // otherwise, we matched two chains, so we need to combine those chains together - function eventDivide(ev, pt){ - var ns = segmentCopy(pt, ev.seg.end, ev.seg); - eventUpdateEnd(ev, pt); - return eventAddSegment(ns, ev.primary); - } + function reverseChain(index){ + if (buildLog) + buildLog.chainReverse(index); + chains[index].reverse(); // gee, that's easy + } - function calculate(primaryPolyInverted, secondaryPolyInverted){ - // if selfIntersection is true then there is no secondary polygon, so that isn't used + function appendChain(index1, index2){ + // index1 gets index2 appended to it, and index2 is removed + var chain1 = chains[index1]; + var chain2 = chains[index2]; + var tail = chain1[chain1.length - 1]; + var tail2 = chain1[chain1.length - 2]; + var head = chain2[0]; + var head2 = chain2[1]; - // - // status logic - // + if (eps.pointsCollinear(tail2, tail, head)){ + // tail isn't needed because it's directly between tail2 and head + // tail2 ---tail---> head + if (buildLog) + buildLog.chainRemoveTail(index1, tail); + chain1.pop(); + tail = tail2; // old tail is gone... new tail is what tail2 was + } + + if (eps.pointsCollinear(tail, head, head2)){ + // head isn't needed because it's directly between tail and head2 + // tail ---head---> head2 + if (buildLog) + buildLog.chainRemoveHead(index2, head); + chain2.shift(); + } + + if (buildLog) + buildLog.chainJoin(index1, index2); + chains[index1] = chain1.concat(chain2); + chains.splice(index2, 1); + } - var status_root = LinkedList.create(); + var F = first_match.index; + var S = second_match.index; - function statusCompare(ev1, ev2){ - var a1 = ev1.seg.start; - var a2 = ev1.seg.end; - var b1 = ev2.seg.start; - var b2 = ev2.seg.end; + if (buildLog) + buildLog.chainConnect(F, S); - if (eps.pointsCollinear(a1, b1, b2)){ - if (eps.pointsCollinear(a2, b1, b2)) - return 1;//eventCompare(true, a1, a2, true, b1, b2); - return eps.pointAboveOrOnLine(a2, b1, b2) ? 1 : -1; + var reverseF = chains[F].length < chains[S].length; // reverse the shorter chain, if needed + if (first_match.matches_head){ + if (second_match.matches_head){ + if (reverseF){ + // <<<< F <<<< --- >>>> S >>>> + reverseChain(F); + // >>>> F >>>> --- >>>> S >>>> + appendChain(F, S); + } + else{ + // <<<< F <<<< --- >>>> S >>>> + reverseChain(S); + // <<<< F <<<< --- <<<< S <<<< logically same as: + // >>>> S >>>> --- >>>> F >>>> + appendChain(S, F); + } + } + else{ + // <<<< F <<<< --- <<<< S <<<< logically same as: + // >>>> S >>>> --- >>>> F >>>> + appendChain(S, F); + } + } + else{ + if (second_match.matches_head){ + // >>>> F >>>> --- >>>> S >>>> + appendChain(F, S); + } + else{ + if (reverseF){ + // >>>> F >>>> --- <<<< S <<<< + reverseChain(F); + // <<<< F <<<< --- <<<< S <<<< logically same as: + // >>>> S >>>> --- >>>> F >>>> + appendChain(S, F); + } + else{ + // >>>> F >>>> --- <<<< S <<<< + reverseChain(S); + // >>>> F >>>> --- >>>> S >>>> + appendChain(F, S); + } } - return eps.pointAboveOrOnLine(a1, b1, b2) ? 1 : -1; } + }); - function statusFindSurrounding(ev){ - return status_root.findTransition(function(here){ - var comp = statusCompare(ev, here.ev); - return comp > 0; + return regions; +} + +module.exports = SegmentChainer; + +},{}],486:[function(require,module,exports){ +// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc +// MIT License +// Project Home: https://github.com/voidqk/polybooljs + +// +// filter a list of segments based on boolean operations +// + +function select(segments, selection, buildLog){ + var result = []; + segments.forEach(function(seg){ + var index = + (seg.myFill.above ? 8 : 0) + + (seg.myFill.below ? 4 : 0) + + ((seg.otherFill && seg.otherFill.above) ? 2 : 0) + + ((seg.otherFill && seg.otherFill.below) ? 1 : 0); + if (selection[index] !== 0){ + // copy the segment to the results, while also calculating the fill status + result.push({ + id: buildLog ? buildLog.segmentId() : -1, + start: seg.start, + end: seg.end, + myFill: { + above: selection[index] === 1, // 1 if filled above + below: selection[index] === 2 // 2 if filled below + }, + otherFill: null }); } + }); - function checkIntersection(ev1, ev2){ - // returns the segment equal to ev1, or false if nothing equal + if (buildLog) + buildLog.selected(result); - var seg1 = ev1.seg; - var seg2 = ev2.seg; - var a1 = seg1.start; - var a2 = seg1.end; - var b1 = seg2.start; - var b2 = seg2.end; + return result; +} - if (buildLog) - buildLog.checkIntersection(seg1, seg2); +var SegmentSelector = { + union: function(segments, buildLog){ // primary | secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => yes filled below 2 + // 0 0 1 0 => yes filled above 1 + // 0 0 1 1 => no 0 + // 0 1 0 0 => yes filled below 2 + // 0 1 0 1 => yes filled below 2 + // 0 1 1 0 => no 0 + // 0 1 1 1 => no 0 + // 1 0 0 0 => yes filled above 1 + // 1 0 0 1 => no 0 + // 1 0 1 0 => yes filled above 1 + // 1 0 1 1 => no 0 + // 1 1 0 0 => no 0 + // 1 1 0 1 => no 0 + // 1 1 1 0 => no 0 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 2, 1, 0, + 2, 2, 0, 0, + 1, 0, 1, 0, + 0, 0, 0, 0 + ], buildLog); + }, + intersect: function(segments, buildLog){ // primary & secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => no 0 + // 0 0 1 0 => no 0 + // 0 0 1 1 => no 0 + // 0 1 0 0 => no 0 + // 0 1 0 1 => yes filled below 2 + // 0 1 1 0 => no 0 + // 0 1 1 1 => yes filled below 2 + // 1 0 0 0 => no 0 + // 1 0 0 1 => no 0 + // 1 0 1 0 => yes filled above 1 + // 1 0 1 1 => yes filled above 1 + // 1 1 0 0 => no 0 + // 1 1 0 1 => yes filled below 2 + // 1 1 1 0 => yes filled above 1 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 0, 0, 0, + 0, 2, 0, 2, + 0, 0, 1, 1, + 0, 2, 1, 0 + ], buildLog); + }, + difference: function(segments, buildLog){ // primary - secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => no 0 + // 0 0 1 0 => no 0 + // 0 0 1 1 => no 0 + // 0 1 0 0 => yes filled below 2 + // 0 1 0 1 => no 0 + // 0 1 1 0 => yes filled below 2 + // 0 1 1 1 => no 0 + // 1 0 0 0 => yes filled above 1 + // 1 0 0 1 => yes filled above 1 + // 1 0 1 0 => no 0 + // 1 0 1 1 => no 0 + // 1 1 0 0 => no 0 + // 1 1 0 1 => yes filled above 1 + // 1 1 1 0 => yes filled below 2 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 0, 0, 0, + 2, 0, 2, 0, + 1, 1, 0, 0, + 0, 1, 2, 0 + ], buildLog); + }, + differenceRev: function(segments, buildLog){ // secondary - primary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => yes filled below 2 + // 0 0 1 0 => yes filled above 1 + // 0 0 1 1 => no 0 + // 0 1 0 0 => no 0 + // 0 1 0 1 => no 0 + // 0 1 1 0 => yes filled above 1 + // 0 1 1 1 => yes filled above 1 + // 1 0 0 0 => no 0 + // 1 0 0 1 => yes filled below 2 + // 1 0 1 0 => no 0 + // 1 0 1 1 => yes filled below 2 + // 1 1 0 0 => no 0 + // 1 1 0 1 => no 0 + // 1 1 1 0 => no 0 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 2, 1, 0, + 0, 0, 1, 1, + 0, 2, 0, 2, + 0, 0, 0, 0 + ], buildLog); + }, + xor: function(segments, buildLog){ // primary ^ secondary + // above1 below1 above2 below2 Keep? Value + // 0 0 0 0 => no 0 + // 0 0 0 1 => yes filled below 2 + // 0 0 1 0 => yes filled above 1 + // 0 0 1 1 => no 0 + // 0 1 0 0 => yes filled below 2 + // 0 1 0 1 => no 0 + // 0 1 1 0 => no 0 + // 0 1 1 1 => yes filled above 1 + // 1 0 0 0 => yes filled above 1 + // 1 0 0 1 => no 0 + // 1 0 1 0 => no 0 + // 1 0 1 1 => yes filled below 2 + // 1 1 0 0 => no 0 + // 1 1 0 1 => yes filled above 1 + // 1 1 1 0 => yes filled below 2 + // 1 1 1 1 => no 0 + return select(segments, [ + 0, 2, 1, 0, + 2, 0, 0, 1, + 1, 0, 0, 2, + 0, 1, 2, 0 + ], buildLog); + } +}; - var i = eps.linesIntersect(a1, a2, b1, b2); +module.exports = SegmentSelector; - if (i === false){ - // segments are parallel or coincident +},{}],487:[function(require,module,exports){ +//Optimized version for triangle closest point +// Based on Eberly's WildMagick codes +// http://www.geometrictools.com/LibMathematics/Distance/Distance.html +"use strict"; - // if points aren't collinear, then the segments are parallel, so no intersections - if (!eps.pointsCollinear(a1, a2, b1)) - return false; - // otherwise, segments are on top of each other somehow (aka coincident) +var diff = new Float64Array(4); +var edge0 = new Float64Array(4); +var edge1 = new Float64Array(4); - if (eps.pointsSame(a1, b2) || eps.pointsSame(a2, b1)) - return false; // segments touch at endpoints... no intersection +function closestPoint2d(V0, V1, V2, point, result) { + //Reallocate buffers if necessary + if(diff.length < point.length) { + diff = new Float64Array(point.length); + edge0 = new Float64Array(point.length); + edge1 = new Float64Array(point.length); + } + //Compute edges + for(var i=0; i= a00) { + s = 1.0; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = -b0/a00; + sqrDistance = b0*s + c; + } + } else { + s = 0; + if (b1 >= 0) { + t = 0; + sqrDistance = c; + } else if (-b1 >= a11) { + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else { + t = -b1/a11; + sqrDistance = b1*t + c; + } + } + } else { // region 3 + s = 0; + if (b1 >= 0) { + t = 0; + sqrDistance = c; + } else if (-b1 >= a11) { + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else { + t = -b1/a11; + sqrDistance = b1*t + c; + } + } + } else if (t < 0) { // region 5 + t = 0; + if (b0 >= 0) { + s = 0; + sqrDistance = c; + } else if (-b0 >= a00) { + s = 1; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = -b0/a00; + sqrDistance = b0*s + c; + } + } else { // region 0 + // minimum at interior point + var invDet = 1.0 / det; + s *= invDet; + t *= invDet; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + t*(a01*s + a11*t + 2.0*b1) + c; + } + } else { + var tmp0, tmp1, numer, denom; + + if (s < 0) { // region 2 + tmp0 = a01 + b0; + tmp1 = a11 + b1; + if (tmp1 > tmp0) { + numer = tmp1 - tmp0; + denom = a00 - 2.0*a01 + a11; + if (numer >= denom) { + s = 1; + t = 0; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = numer/denom; + t = 1 - s; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + + t*(a01*s + a11*t + 2.0*b1) + c; + } + } else { + s = 0; + if (tmp1 <= 0) { + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else if (b1 >= 0) { + t = 0; + sqrDistance = c; + } else { + t = -b1/a11; + sqrDistance = b1*t + c; + } + } + } else if (t < 0) { // region 6 + tmp0 = a01 + b1; + tmp1 = a00 + b0; + if (tmp1 > tmp0) { + numer = tmp1 - tmp0; + denom = a00 - 2.0*a01 + a11; + if (numer >= denom) { + t = 1; + s = 0; + sqrDistance = a11 + 2.0*b1 + c; + } else { + t = numer/denom; + s = 1 - t; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + + t*(a01*s + a11*t + 2.0*b1) + c; + } + } else { + t = 0; + if (tmp1 <= 0) { + s = 1; + sqrDistance = a00 + 2.0*b0 + c; + } else if (b0 >= 0) { + s = 0; + sqrDistance = c; + } else { + s = -b0/a00; + sqrDistance = b0*s + c; + } + } + } else { // region 1 + numer = a11 + b1 - a01 - b0; + if (numer <= 0) { + s = 0; + t = 1; + sqrDistance = a11 + 2.0*b1 + c; + } else { + denom = a00 - 2.0*a01 + a11; + if (numer >= denom) { + s = 1; + t = 0; + sqrDistance = a00 + 2.0*b0 + c; + } else { + s = numer/denom; + t = 1 - s; + sqrDistance = s*(a00*s + a01*t + 2.0*b0) + + t*(a01*s + a11*t + 2.0*b1) + c; + } + } + } + } + var u = 1.0 - s - t; + for(var i=0; i 1) { + for (var i = 1; i < arguments.length; i++) { + args[i - 1] = arguments[i]; + } + } + queue.push(new Item(fun, args)); + if (queue.length === 1 && !draining) { + runTimeout(drainQueue); + } +}; - if (buildLog){ - buildLog.tempStatus( - ev.seg, - above ? above.seg : false, - below ? below.seg : false - ); - } +// v8 likes predictible objects +function Item(fun, array) { + this.fun = fun; + this.array = array; +} +Item.prototype.run = function () { + this.fun.apply(null, this.array); +}; +process.title = 'browser'; +process.browser = true; +process.env = {}; +process.argv = []; +process.version = ''; // empty string to avoid regexp issues +process.versions = {}; - function checkBothIntersections(){ - if (above){ - var eve = checkIntersection(ev, above); - if (eve) - return eve; - } - if (below) - return checkIntersection(ev, below); - return false; - } +function noop() {} - var eve = checkBothIntersections(); - if (eve){ - // ev and eve are equal - // we'll keep eve and throw away ev +process.on = noop; +process.addListener = noop; +process.once = noop; +process.off = noop; +process.removeListener = noop; +process.removeAllListeners = noop; +process.emit = noop; +process.prependListener = noop; +process.prependOnceListener = noop; - // merge ev.seg's fill information into eve.seg +process.listeners = function (name) { return [] } - if (selfIntersection){ - var toggle; // are we a toggling edge? - if (ev.seg.myFill.below === null) - toggle = true; - else - toggle = ev.seg.myFill.above !== ev.seg.myFill.below; +process.binding = function (name) { + throw new Error('process.binding is not supported'); +}; - // merge two segments that belong to the same polygon - // think of this as sandwiching two segments together, where `eve.seg` is - // the bottom -- this will cause the above fill flag to toggle - if (toggle) - eve.seg.myFill.above = !eve.seg.myFill.above; - } - else{ - // merge two segments that belong to different polygons - // each segment has distinct knowledge, so no special logic is needed - // note that this can only happen once per segment in this phase, because we - // are guaranteed that all self-intersections are gone - eve.seg.otherFill = ev.seg.myFill; - } +process.cwd = function () { return '/' }; +process.chdir = function (dir) { + throw new Error('process.chdir is not supported'); +}; +process.umask = function() { return 0; }; - if (buildLog) - buildLog.segmentUpdate(eve.seg); +},{}],489:[function(require,module,exports){ +(function (global){ +/*! https://mths.be/punycode v1.4.1 by @mathias */ +;(function(root) { - ev.other.remove(); - ev.remove(); - } + /** Detect free variables */ + var freeExports = typeof exports == 'object' && exports && + !exports.nodeType && exports; + var freeModule = typeof module == 'object' && module && + !module.nodeType && module; + var freeGlobal = typeof global == 'object' && global; + if ( + freeGlobal.global === freeGlobal || + freeGlobal.window === freeGlobal || + freeGlobal.self === freeGlobal + ) { + root = freeGlobal; + } - if (event_root.getHead() !== ev){ - // something was inserted before us in the event queue, so loop back around and - // process it before continuing - if (buildLog) - buildLog.rewind(ev.seg); - continue; - } + /** + * The `punycode` object. + * @name punycode + * @type Object + */ + var punycode, - // - // calculate fill flags - // - if (selfIntersection){ - var toggle; // are we a toggling edge? - if (ev.seg.myFill.below === null) // if we are a new segment... - toggle = true; // then we toggle - else // we are a segment that has previous knowledge from a division - toggle = ev.seg.myFill.above !== ev.seg.myFill.below; // calculate toggle + /** Highest positive signed 32-bit float value */ + maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 - // next, calculate whether we are filled below us - if (!below){ // if nothing is below us... - // we are filled below us if the polygon is inverted - ev.seg.myFill.below = primaryPolyInverted; - } - else{ - // otherwise, we know the answer -- it's the same if whatever is below - // us is filled above it - ev.seg.myFill.below = below.seg.myFill.above; - } + /** Bootstring parameters */ + base = 36, + tMin = 1, + tMax = 26, + skew = 38, + damp = 700, + initialBias = 72, + initialN = 128, // 0x80 + delimiter = '-', // '\x2D' - // since now we know if we're filled below us, we can calculate whether - // we're filled above us by applying toggle to whatever is below us - if (toggle) - ev.seg.myFill.above = !ev.seg.myFill.below; - else - ev.seg.myFill.above = ev.seg.myFill.below; - } - else{ - // now we fill in any missing transition information, since we are all-knowing - // at this point + /** Regular expressions */ + regexPunycode = /^xn--/, + regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars + regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators - if (ev.seg.otherFill === null){ - // if we don't have other information, then we need to figure out if we're - // inside the other polygon - var inside; - if (!below){ - // if nothing is below us, then we're inside if the other polygon is - // inverted - inside = - ev.primary ? secondaryPolyInverted : primaryPolyInverted; - } - else{ // otherwise, something is below us - // so copy the below segment's other polygon's above - if (ev.primary === below.primary) - inside = below.seg.otherFill.above; - else - inside = below.seg.myFill.above; - } - ev.seg.otherFill = { - above: inside, - below: inside - }; - } - } + /** Error messages */ + errors = { + 'overflow': 'Overflow: input needs wider integers to process', + 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', + 'invalid-input': 'Invalid input' + }, - if (buildLog){ - buildLog.status( - ev.seg, - above ? above.seg : false, - below ? below.seg : false - ); - } + /** Convenience shortcuts */ + baseMinusTMin = base - tMin, + floor = Math.floor, + stringFromCharCode = String.fromCharCode, - // insert the status and remember it for later removal - ev.other.status = surrounding.insert(LinkedList.node({ ev: ev })); - } - else{ - var st = ev.status; + /** Temporary variable */ + key; - if (st === null){ - throw new Error('PolyBool: Zero-length segment detected; your epsilon is ' + - 'probably too small or too large'); - } + /*--------------------------------------------------------------------------*/ - // removing the status will create two new adjacent edges, so we'll need to check - // for those - if (status_root.exists(st.prev) && status_root.exists(st.next)) - checkIntersection(st.prev.ev, st.next.ev); + /** + * A generic error utility function. + * @private + * @param {String} type The error type. + * @returns {Error} Throws a `RangeError` with the applicable error message. + */ + function error(type) { + throw new RangeError(errors[type]); + } - if (buildLog) - buildLog.statusRemove(st.ev.seg); + /** + * A generic `Array#map` utility function. + * @private + * @param {Array} array The array to iterate over. + * @param {Function} callback The function that gets called for every array + * item. + * @returns {Array} A new array of values returned by the callback function. + */ + function map(array, fn) { + var length = array.length; + var result = []; + while (length--) { + result[length] = fn(array[length]); + } + return result; + } - // remove the status - st.remove(); + /** + * A simple `Array#map`-like wrapper to work with domain name strings or email + * addresses. + * @private + * @param {String} domain The domain name or email address. + * @param {Function} callback The function that gets called for every + * character. + * @returns {Array} A new string of characters returned by the callback + * function. + */ + function mapDomain(string, fn) { + var parts = string.split('@'); + var result = ''; + if (parts.length > 1) { + // In email addresses, only the domain name should be punycoded. Leave + // the local part (i.e. everything up to `@`) intact. + result = parts[0] + '@'; + string = parts[1]; + } + // Avoid `split(regex)` for IE8 compatibility. See #17. + string = string.replace(regexSeparators, '\x2E'); + var labels = string.split('.'); + var encoded = map(labels, fn).join('.'); + return result + encoded; + } - // if we've reached this point, we've calculated everything there is to know, so - // save the segment for reporting - if (!ev.primary){ - // make sure `seg.myFill` actually points to the primary polygon though - var s = ev.seg.myFill; - ev.seg.myFill = ev.seg.otherFill; - ev.seg.otherFill = s; + /** + * Creates an array containing the numeric code points of each Unicode + * character in the string. While JavaScript uses UCS-2 internally, + * this function will convert a pair of surrogate halves (each of which + * UCS-2 exposes as separate characters) into a single code point, + * matching UTF-16. + * @see `punycode.ucs2.encode` + * @see + * @memberOf punycode.ucs2 + * @name decode + * @param {String} string The Unicode input string (UCS-2). + * @returns {Array} The new array of code points. + */ + function ucs2decode(string) { + var output = [], + counter = 0, + length = string.length, + value, + extra; + while (counter < length) { + value = string.charCodeAt(counter++); + if (value >= 0xD800 && value <= 0xDBFF && counter < length) { + // high surrogate, and there is a next character + extra = string.charCodeAt(counter++); + if ((extra & 0xFC00) == 0xDC00) { // low surrogate + output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); + } else { + // unmatched surrogate; only append this code unit, in case the next + // code unit is the high surrogate of a surrogate pair + output.push(value); + counter--; } - segments.push(ev.seg); + } else { + output.push(value); } - - // remove the event and continue - event_root.getHead().remove(); } + return output; + } - if (buildLog) - buildLog.done(); + /** + * Creates a string based on an array of numeric code points. + * @see `punycode.ucs2.decode` + * @memberOf punycode.ucs2 + * @name encode + * @param {Array} codePoints The array of numeric code points. + * @returns {String} The new Unicode string (UCS-2). + */ + function ucs2encode(array) { + return map(array, function(value) { + var output = ''; + if (value > 0xFFFF) { + value -= 0x10000; + output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); + value = 0xDC00 | value & 0x3FF; + } + output += stringFromCharCode(value); + return output; + }).join(''); + } - return segments; + /** + * Converts a basic code point into a digit/integer. + * @see `digitToBasic()` + * @private + * @param {Number} codePoint The basic numeric code point value. + * @returns {Number} The numeric value of a basic code point (for use in + * representing integers) in the range `0` to `base - 1`, or `base` if + * the code point does not represent a value. + */ + function basicToDigit(codePoint) { + if (codePoint - 48 < 10) { + return codePoint - 22; + } + if (codePoint - 65 < 26) { + return codePoint - 65; + } + if (codePoint - 97 < 26) { + return codePoint - 97; + } + return base; + } + + /** + * Converts a digit/integer into a basic code point. + * @see `basicToDigit()` + * @private + * @param {Number} digit The numeric value of a basic code point. + * @returns {Number} The basic code point whose value (when used for + * representing integers) is `digit`, which needs to be in the range + * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is + * used; else, the lowercase form is used. The behavior is undefined + * if `flag` is non-zero and `digit` has no uppercase form. + */ + function digitToBasic(digit, flag) { + // 0..25 map to ASCII a..z or A..Z + // 26..35 map to ASCII 0..9 + return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); } - // return the appropriate API depending on what we're doing - if (!selfIntersection){ - // performing combination of polygons, so only deal with already-processed segments - return { - calculate: function(segments1, inverted1, segments2, inverted2){ - // segmentsX come from the self-intersection API, or this API - // invertedX is whether we treat that list of segments as an inverted polygon or not - // returns segments that can be used for further operations - segments1.forEach(function(seg){ - eventAddSegment(segmentCopy(seg.start, seg.end, seg), true); - }); - segments2.forEach(function(seg){ - eventAddSegment(segmentCopy(seg.start, seg.end, seg), false); - }); - return calculate(inverted1, inverted2); - } - }; + /** + * Bias adaptation function as per section 3.4 of RFC 3492. + * https://tools.ietf.org/html/rfc3492#section-3.4 + * @private + */ + function adapt(delta, numPoints, firstTime) { + var k = 0; + delta = firstTime ? floor(delta / damp) : delta >> 1; + delta += floor(delta / numPoints); + for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { + delta = floor(delta / baseMinusTMin); + } + return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); } - // otherwise, performing self-intersection, so deal with regions - return { - addRegion: function(region){ - // regions are a list of points: - // [ [0, 0], [100, 0], [50, 100] ] - // you can add multiple regions before running calculate - var pt1; - var pt2 = region[region.length - 1]; - for (var i = 0; i < region.length; i++){ - pt1 = pt2; - pt2 = region[i]; + /** + * Converts a Punycode string of ASCII-only symbols to a string of Unicode + * symbols. + * @memberOf punycode + * @param {String} input The Punycode string of ASCII-only symbols. + * @returns {String} The resulting string of Unicode symbols. + */ + function decode(input) { + // Don't use UCS-2 + var output = [], + inputLength = input.length, + out, + i = 0, + n = initialN, + bias = initialBias, + basic, + j, + index, + oldi, + w, + k, + digit, + t, + /** Cached calculation results */ + baseMinusT; - var forward = eps.pointsCompare(pt1, pt2); - if (forward === 0) // points are equal, so we have a zero-length segment - continue; // just skip it + // Handle the basic code points: let `basic` be the number of input code + // points before the last delimiter, or `0` if there is none, then copy + // the first basic code points to the output. - eventAddSegment( - segmentNew( - forward < 0 ? pt1 : pt2, - forward < 0 ? pt2 : pt1 - ), - true - ); + basic = input.lastIndexOf(delimiter); + if (basic < 0) { + basic = 0; + } + + for (j = 0; j < basic; ++j) { + // if it's not a basic code point + if (input.charCodeAt(j) >= 0x80) { + error('not-basic'); } - }, - calculate: function(inverted){ - // is the polygon inverted? - // returns segments - return calculate(inverted, false); + output.push(input.charCodeAt(j)); } - }; -} -module.exports = Intersecter; + // Main decoding loop: start just after the last delimiter if any basic code + // points were copied; start at the beginning otherwise. -},{"./linked-list":484}],484:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { -// -// simple linked list implementation that allows you to traverse down nodes and save positions -// + // `index` is the index of the next character to be consumed. + // Decode a generalized variable-length integer into `delta`, + // which gets added to `i`. The overflow checking is easier + // if we increase `i` as we go, then subtract off its starting + // value at the end to obtain `delta`. + for (oldi = i, w = 1, k = base; /* no condition */; k += base) { -var LinkedList = { - create: function(){ - var my = { - root: { root: true, next: null }, - exists: function(node){ - if (node === null || node === my.root) - return false; - return true; - }, - isEmpty: function(){ - return my.root.next === null; - }, - getHead: function(){ - return my.root.next; - }, - insertBefore: function(node, check){ - var last = my.root; - var here = my.root.next; - while (here !== null){ - if (check(here)){ - node.prev = here.prev; - node.next = here; - here.prev.next = node; - here.prev = node; - return; - } - last = here; - here = here.next; - } - last.next = node; - node.prev = last; - node.next = null; - }, - findTransition: function(check){ - var prev = my.root; - var here = my.root.next; - while (here !== null){ - if (check(here)) - break; - prev = here; - here = here.next; + if (index >= inputLength) { + error('invalid-input'); } - return { - before: prev === my.root ? null : prev, - after: here, - insert: function(node){ - node.prev = prev; - node.next = here; - prev.next = node; - if (here !== null) - here.prev = node; - return node; - } - }; - } - }; - return my; - }, - node: function(data){ - data.prev = null; - data.next = null; - data.remove = function(){ - data.prev.next = data.next; - if (data.next) - data.next.prev = data.prev; - data.prev = null; - data.next = null; - }; - return data; - } -}; -module.exports = LinkedList; + digit = basicToDigit(input.charCodeAt(index++)); -},{}],485:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + if (digit >= base || digit > floor((maxInt - i) / w)) { + error('overflow'); + } -// -// converts a list of segments into a list of regions, while also removing unnecessary verticies -// + i += digit * w; + t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); -function SegmentChainer(segments, eps, buildLog){ - var chains = []; - var regions = []; + if (digit < t) { + break; + } - segments.forEach(function(seg){ - var pt1 = seg.start; - var pt2 = seg.end; - if (eps.pointsSame(pt1, pt2)){ - console.warn('PolyBool: Warning: Zero-length segment detected; your epsilon is ' + - 'probably too small or too large'); - return; - } + baseMinusT = base - t; + if (w > floor(maxInt / baseMinusT)) { + error('overflow'); + } - if (buildLog) - buildLog.chainStart(seg); + w *= baseMinusT; - // search for two chains that this segment matches - var first_match = { - index: 0, - matches_head: false, - matches_pt1: false - }; - var second_match = { - index: 0, - matches_head: false, - matches_pt1: false - }; - var next_match = first_match; - function setMatch(index, matches_head, matches_pt1){ - // return true if we've matched twice - next_match.index = index; - next_match.matches_head = matches_head; - next_match.matches_pt1 = matches_pt1; - if (next_match === first_match){ - next_match = second_match; - return false; - } - next_match = null; - return true; // we've matched twice, we're done here - } - for (var i = 0; i < chains.length; i++){ - var chain = chains[i]; - var head = chain[0]; - var head2 = chain[1]; - var tail = chain[chain.length - 1]; - var tail2 = chain[chain.length - 2]; - if (eps.pointsSame(head, pt1)){ - if (setMatch(i, true, true)) - break; } - else if (eps.pointsSame(head, pt2)){ - if (setMatch(i, true, false)) - break; - } - else if (eps.pointsSame(tail, pt1)){ - if (setMatch(i, false, true)) - break; - } - else if (eps.pointsSame(tail, pt2)){ - if (setMatch(i, false, false)) - break; - } - } - - if (next_match === first_match){ - // we didn't match anything, so create a new chain - chains.push([ pt1, pt2 ]); - if (buildLog) - buildLog.chainNew(pt1, pt2); - return; - } - if (next_match === second_match){ - // we matched a single chain + out = output.length + 1; + bias = adapt(i - oldi, out, oldi == 0); - if (buildLog) - buildLog.chainMatch(first_match.index); + // `i` was supposed to wrap around from `out` to `0`, + // incrementing `n` each time, so we'll fix that now: + if (floor(i / out) > maxInt - n) { + error('overflow'); + } - // add the other point to the apporpriate end, and check to see if we've closed the - // chain into a loop + n += floor(i / out); + i %= out; - var index = first_match.index; - var pt = first_match.matches_pt1 ? pt2 : pt1; // if we matched pt1, then we add pt2, etc - var addToHead = first_match.matches_head; // if we matched at head, then add to the head + // Insert `n` at position `i` of the output + output.splice(i++, 0, n); - var chain = chains[index]; - var grow = addToHead ? chain[0] : chain[chain.length - 1]; - var grow2 = addToHead ? chain[1] : chain[chain.length - 2]; - var oppo = addToHead ? chain[chain.length - 1] : chain[0]; - var oppo2 = addToHead ? chain[chain.length - 2] : chain[1]; + } - if (eps.pointsCollinear(grow2, grow, pt)){ - // grow isn't needed because it's directly between grow2 and pt: - // grow2 ---grow---> pt - if (addToHead){ - if (buildLog) - buildLog.chainRemoveHead(first_match.index, pt); - chain.shift(); - } - else{ - if (buildLog) - buildLog.chainRemoveTail(first_match.index, pt); - chain.pop(); - } - grow = grow2; // old grow is gone... new grow is what grow2 was - } + return ucs2encode(output); + } - if (eps.pointsSame(oppo, pt)){ - // we're closing the loop, so remove chain from chains - chains.splice(index, 1); + /** + * Converts a string of Unicode symbols (e.g. a domain name label) to a + * Punycode string of ASCII-only symbols. + * @memberOf punycode + * @param {String} input The string of Unicode symbols. + * @returns {String} The resulting Punycode string of ASCII-only symbols. + */ + function encode(input) { + var n, + delta, + handledCPCount, + basicLength, + bias, + j, + m, + q, + k, + t, + currentValue, + output = [], + /** `inputLength` will hold the number of code points in `input`. */ + inputLength, + /** Cached calculation results */ + handledCPCountPlusOne, + baseMinusT, + qMinusT; - if (eps.pointsCollinear(oppo2, oppo, grow)){ - // oppo isn't needed because it's directly between oppo2 and grow: - // oppo2 ---oppo--->grow - if (addToHead){ - if (buildLog) - buildLog.chainRemoveTail(first_match.index, grow); - chain.pop(); - } - else{ - if (buildLog) - buildLog.chainRemoveHead(first_match.index, grow); - chain.shift(); - } - } + // Convert the input in UCS-2 to Unicode + input = ucs2decode(input); - if (buildLog) - buildLog.chainClose(first_match.index); + // Cache the length + inputLength = input.length; - // we have a closed chain! - regions.push(chain); - return; - } + // Initialize the state + n = initialN; + delta = 0; + bias = initialBias; - // not closing a loop, so just add it to the apporpriate side - if (addToHead){ - if (buildLog) - buildLog.chainAddHead(first_match.index, pt); - chain.unshift(pt); - } - else{ - if (buildLog) - buildLog.chainAddTail(first_match.index, pt); - chain.push(pt); + // Handle the basic code points + for (j = 0; j < inputLength; ++j) { + currentValue = input[j]; + if (currentValue < 0x80) { + output.push(stringFromCharCode(currentValue)); } - return; } - // otherwise, we matched two chains, so we need to combine those chains together + handledCPCount = basicLength = output.length; - function reverseChain(index){ - if (buildLog) - buildLog.chainReverse(index); - chains[index].reverse(); // gee, that's easy + // `handledCPCount` is the number of code points that have been handled; + // `basicLength` is the number of basic code points. + + // Finish the basic string - if it is not empty - with a delimiter + if (basicLength) { + output.push(delimiter); } - function appendChain(index1, index2){ - // index1 gets index2 appended to it, and index2 is removed - var chain1 = chains[index1]; - var chain2 = chains[index2]; - var tail = chain1[chain1.length - 1]; - var tail2 = chain1[chain1.length - 2]; - var head = chain2[0]; - var head2 = chain2[1]; + // Main encoding loop: + while (handledCPCount < inputLength) { - if (eps.pointsCollinear(tail2, tail, head)){ - // tail isn't needed because it's directly between tail2 and head - // tail2 ---tail---> head - if (buildLog) - buildLog.chainRemoveTail(index1, tail); - chain1.pop(); - tail = tail2; // old tail is gone... new tail is what tail2 was + // All non-basic code points < n have been handled already. Find the next + // larger one: + for (m = maxInt, j = 0; j < inputLength; ++j) { + currentValue = input[j]; + if (currentValue >= n && currentValue < m) { + m = currentValue; + } } - if (eps.pointsCollinear(tail, head, head2)){ - // head isn't needed because it's directly between tail and head2 - // tail ---head---> head2 - if (buildLog) - buildLog.chainRemoveHead(index2, head); - chain2.shift(); + // Increase `delta` enough to advance the decoder's state to , + // but guard against overflow + handledCPCountPlusOne = handledCPCount + 1; + if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { + error('overflow'); } - if (buildLog) - buildLog.chainJoin(index1, index2); - chains[index1] = chain1.concat(chain2); - chains.splice(index2, 1); - } - - var F = first_match.index; - var S = second_match.index; + delta += (m - n) * handledCPCountPlusOne; + n = m; - if (buildLog) - buildLog.chainConnect(F, S); + for (j = 0; j < inputLength; ++j) { + currentValue = input[j]; - var reverseF = chains[F].length < chains[S].length; // reverse the shorter chain, if needed - if (first_match.matches_head){ - if (second_match.matches_head){ - if (reverseF){ - // <<<< F <<<< --- >>>> S >>>> - reverseChain(F); - // >>>> F >>>> --- >>>> S >>>> - appendChain(F, S); - } - else{ - // <<<< F <<<< --- >>>> S >>>> - reverseChain(S); - // <<<< F <<<< --- <<<< S <<<< logically same as: - // >>>> S >>>> --- >>>> F >>>> - appendChain(S, F); - } - } - else{ - // <<<< F <<<< --- <<<< S <<<< logically same as: - // >>>> S >>>> --- >>>> F >>>> - appendChain(S, F); - } - } - else{ - if (second_match.matches_head){ - // >>>> F >>>> --- >>>> S >>>> - appendChain(F, S); - } - else{ - if (reverseF){ - // >>>> F >>>> --- <<<< S <<<< - reverseChain(F); - // <<<< F <<<< --- <<<< S <<<< logically same as: - // >>>> S >>>> --- >>>> F >>>> - appendChain(S, F); + if (currentValue < n && ++delta > maxInt) { + error('overflow'); } - else{ - // >>>> F >>>> --- <<<< S <<<< - reverseChain(S); - // >>>> F >>>> --- >>>> S >>>> - appendChain(F, S); + + if (currentValue == n) { + // Represent delta as a generalized variable-length integer + for (q = delta, k = base; /* no condition */; k += base) { + t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + if (q < t) { + break; + } + qMinusT = q - t; + baseMinusT = base - t; + output.push( + stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) + ); + q = floor(qMinusT / baseMinusT); + } + + output.push(stringFromCharCode(digitToBasic(q, 0))); + bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); + delta = 0; + ++handledCPCount; } } + + ++delta; + ++n; + } - }); + return output.join(''); + } - return regions; -} + /** + * Converts a Punycode string representing a domain name or an email address + * to Unicode. Only the Punycoded parts of the input will be converted, i.e. + * it doesn't matter if you call it on a string that has already been + * converted to Unicode. + * @memberOf punycode + * @param {String} input The Punycoded domain name or email address to + * convert to Unicode. + * @returns {String} The Unicode representation of the given Punycode + * string. + */ + function toUnicode(input) { + return mapDomain(input, function(string) { + return regexPunycode.test(string) + ? decode(string.slice(4).toLowerCase()) + : string; + }); + } -module.exports = SegmentChainer; + /** + * Converts a Unicode string representing a domain name or an email address to + * Punycode. Only the non-ASCII parts of the domain name will be converted, + * i.e. it doesn't matter if you call it with a domain that's already in + * ASCII. + * @memberOf punycode + * @param {String} input The domain name or email address to convert, as a + * Unicode string. + * @returns {String} The Punycode representation of the given domain name or + * email address. + */ + function toASCII(input) { + return mapDomain(input, function(string) { + return regexNonASCII.test(string) + ? 'xn--' + encode(string) + : string; + }); + } -},{}],486:[function(require,module,exports){ -// (c) Copyright 2016, Sean Connelly (@voidqk), http://syntheti.cc -// MIT License -// Project Home: https://github.com/voidqk/polybooljs + /*--------------------------------------------------------------------------*/ -// -// filter a list of segments based on boolean operations -// + /** Define the public API */ + punycode = { + /** + * A string representing the current Punycode.js version number. + * @memberOf punycode + * @type String + */ + 'version': '1.4.1', + /** + * An object of methods to convert from JavaScript's internal character + * representation (UCS-2) to Unicode code points, and back. + * @see + * @memberOf punycode + * @type Object + */ + 'ucs2': { + 'decode': ucs2decode, + 'encode': ucs2encode + }, + 'decode': decode, + 'encode': encode, + 'toASCII': toASCII, + 'toUnicode': toUnicode + }; -function select(segments, selection, buildLog){ - var result = []; - segments.forEach(function(seg){ - var index = - (seg.myFill.above ? 8 : 0) + - (seg.myFill.below ? 4 : 0) + - ((seg.otherFill && seg.otherFill.above) ? 2 : 0) + - ((seg.otherFill && seg.otherFill.below) ? 1 : 0); - if (selection[index] !== 0){ - // copy the segment to the results, while also calculating the fill status - result.push({ - id: buildLog ? buildLog.segmentId() : -1, - start: seg.start, - end: seg.end, - myFill: { - above: selection[index] === 1, // 1 if filled above - below: selection[index] === 2 // 2 if filled below - }, - otherFill: null - }); + /** Expose `punycode` */ + // Some AMD build optimizers, like r.js, check for specific condition patterns + // like the following: + if ( + typeof define == 'function' && + typeof define.amd == 'object' && + define.amd + ) { + define('punycode', function() { + return punycode; + }); + } else if (freeExports && freeModule) { + if (module.exports == freeExports) { + // in Node.js, io.js, or RingoJS v0.8.0+ + freeModule.exports = punycode; + } else { + // in Narwhal or RingoJS v0.7.0- + for (key in punycode) { + punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); + } } - }); - - if (buildLog) - buildLog.selected(result); + } else { + // in Rhino or a web browser + root.punycode = punycode; + } - return result; -} +}(this)); -var SegmentSelector = { - union: function(segments, buildLog){ // primary | secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => yes filled below 2 - // 0 0 1 0 => yes filled above 1 - // 0 0 1 1 => no 0 - // 0 1 0 0 => yes filled below 2 - // 0 1 0 1 => yes filled below 2 - // 0 1 1 0 => no 0 - // 0 1 1 1 => no 0 - // 1 0 0 0 => yes filled above 1 - // 1 0 0 1 => no 0 - // 1 0 1 0 => yes filled above 1 - // 1 0 1 1 => no 0 - // 1 1 0 0 => no 0 - // 1 1 0 1 => no 0 - // 1 1 1 0 => no 0 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 2, 1, 0, - 2, 2, 0, 0, - 1, 0, 1, 0, - 0, 0, 0, 0 - ], buildLog); - }, - intersect: function(segments, buildLog){ // primary & secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => no 0 - // 0 0 1 0 => no 0 - // 0 0 1 1 => no 0 - // 0 1 0 0 => no 0 - // 0 1 0 1 => yes filled below 2 - // 0 1 1 0 => no 0 - // 0 1 1 1 => yes filled below 2 - // 1 0 0 0 => no 0 - // 1 0 0 1 => no 0 - // 1 0 1 0 => yes filled above 1 - // 1 0 1 1 => yes filled above 1 - // 1 1 0 0 => no 0 - // 1 1 0 1 => yes filled below 2 - // 1 1 1 0 => yes filled above 1 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 0, 0, 0, - 0, 2, 0, 2, - 0, 0, 1, 1, - 0, 2, 1, 0 - ], buildLog); - }, - difference: function(segments, buildLog){ // primary - secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => no 0 - // 0 0 1 0 => no 0 - // 0 0 1 1 => no 0 - // 0 1 0 0 => yes filled below 2 - // 0 1 0 1 => no 0 - // 0 1 1 0 => yes filled below 2 - // 0 1 1 1 => no 0 - // 1 0 0 0 => yes filled above 1 - // 1 0 0 1 => yes filled above 1 - // 1 0 1 0 => no 0 - // 1 0 1 1 => no 0 - // 1 1 0 0 => no 0 - // 1 1 0 1 => yes filled above 1 - // 1 1 1 0 => yes filled below 2 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 0, 0, 0, - 2, 0, 2, 0, - 1, 1, 0, 0, - 0, 1, 2, 0 - ], buildLog); - }, - differenceRev: function(segments, buildLog){ // secondary - primary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => yes filled below 2 - // 0 0 1 0 => yes filled above 1 - // 0 0 1 1 => no 0 - // 0 1 0 0 => no 0 - // 0 1 0 1 => no 0 - // 0 1 1 0 => yes filled above 1 - // 0 1 1 1 => yes filled above 1 - // 1 0 0 0 => no 0 - // 1 0 0 1 => yes filled below 2 - // 1 0 1 0 => no 0 - // 1 0 1 1 => yes filled below 2 - // 1 1 0 0 => no 0 - // 1 1 0 1 => no 0 - // 1 1 1 0 => no 0 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 2, 1, 0, - 0, 0, 1, 1, - 0, 2, 0, 2, - 0, 0, 0, 0 - ], buildLog); - }, - xor: function(segments, buildLog){ // primary ^ secondary - // above1 below1 above2 below2 Keep? Value - // 0 0 0 0 => no 0 - // 0 0 0 1 => yes filled below 2 - // 0 0 1 0 => yes filled above 1 - // 0 0 1 1 => no 0 - // 0 1 0 0 => yes filled below 2 - // 0 1 0 1 => no 0 - // 0 1 1 0 => no 0 - // 0 1 1 1 => yes filled above 1 - // 1 0 0 0 => yes filled above 1 - // 1 0 0 1 => no 0 - // 1 0 1 0 => no 0 - // 1 0 1 1 => yes filled below 2 - // 1 1 0 0 => no 0 - // 1 1 0 1 => yes filled above 1 - // 1 1 1 0 => yes filled below 2 - // 1 1 1 1 => no 0 - return select(segments, [ - 0, 2, 1, 0, - 2, 0, 0, 1, - 1, 0, 0, 2, - 0, 1, 2, 0 - ], buildLog); - } -}; +}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) +},{}],490:[function(require,module,exports){ +module.exports = require('gl-quat/slerp') +},{"gl-quat/slerp":236}],491:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. -module.exports = SegmentSelector; +'use strict'; -},{}],487:[function(require,module,exports){ -//Optimized version for triangle closest point -// Based on Eberly's WildMagick codes -// http://www.geometrictools.com/LibMathematics/Distance/Distance.html -"use strict"; +// If obj.hasOwnProperty has been overridden, then calling +// obj.hasOwnProperty(prop) will break. +// See: https://github.com/joyent/node/issues/1707 +function hasOwnProperty(obj, prop) { + return Object.prototype.hasOwnProperty.call(obj, prop); +} -var diff = new Float64Array(4); -var edge0 = new Float64Array(4); -var edge1 = new Float64Array(4); +module.exports = function(qs, sep, eq, options) { + sep = sep || '&'; + eq = eq || '='; + var obj = {}; -function closestPoint2d(V0, V1, V2, point, result) { - //Reallocate buffers if necessary - if(diff.length < point.length) { - diff = new Float64Array(point.length); - edge0 = new Float64Array(point.length); - edge1 = new Float64Array(point.length); + if (typeof qs !== 'string' || qs.length === 0) { + return obj; } - //Compute edges - for(var i=0; i 0 && len > maxKeys) { + len = maxKeys; } - //Compute determinant/coeffs - var det = Math.abs(a00*a11 - a01*a01); - var s = a01*b1 - a11*b0; - var t = a01*b0 - a00*b1; - var sqrDistance; - //Hardcoded Voronoi diagram classification - if (s + t <= det) { - if (s < 0) { - if (t < 0) { // region 4 - if (b0 < 0) { - t = 0; - if (-b0 >= a00) { - s = 1.0; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = -b0/a00; - sqrDistance = b0*s + c; - } - } else { - s = 0; - if (b1 >= 0) { - t = 0; - sqrDistance = c; - } else if (-b1 >= a11) { - t = 1; - sqrDistance = a11 + 2.0*b1 + c; - } else { - t = -b1/a11; - sqrDistance = b1*t + c; - } - } - } else { // region 3 - s = 0; - if (b1 >= 0) { - t = 0; - sqrDistance = c; - } else if (-b1 >= a11) { - t = 1; - sqrDistance = a11 + 2.0*b1 + c; - } else { - t = -b1/a11; - sqrDistance = b1*t + c; - } - } - } else if (t < 0) { // region 5 - t = 0; - if (b0 >= 0) { - s = 0; - sqrDistance = c; - } else if (-b0 >= a00) { - s = 1; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = -b0/a00; - sqrDistance = b0*s + c; - } - } else { // region 0 - // minimum at interior point - var invDet = 1.0 / det; - s *= invDet; - t *= invDet; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + t*(a01*s + a11*t + 2.0*b1) + c; + + for (var i = 0; i < len; ++i) { + var x = qs[i].replace(regexp, '%20'), + idx = x.indexOf(eq), + kstr, vstr, k, v; + + if (idx >= 0) { + kstr = x.substr(0, idx); + vstr = x.substr(idx + 1); + } else { + kstr = x; + vstr = ''; } - } else { - var tmp0, tmp1, numer, denom; - - if (s < 0) { // region 2 - tmp0 = a01 + b0; - tmp1 = a11 + b1; - if (tmp1 > tmp0) { - numer = tmp1 - tmp0; - denom = a00 - 2.0*a01 + a11; - if (numer >= denom) { - s = 1; - t = 0; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = numer/denom; - t = 1 - s; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + - t*(a01*s + a11*t + 2.0*b1) + c; - } - } else { - s = 0; - if (tmp1 <= 0) { - t = 1; - sqrDistance = a11 + 2.0*b1 + c; - } else if (b1 >= 0) { - t = 0; - sqrDistance = c; - } else { - t = -b1/a11; - sqrDistance = b1*t + c; - } - } - } else if (t < 0) { // region 6 - tmp0 = a01 + b1; - tmp1 = a00 + b0; - if (tmp1 > tmp0) { - numer = tmp1 - tmp0; - denom = a00 - 2.0*a01 + a11; - if (numer >= denom) { - t = 1; - s = 0; - sqrDistance = a11 + 2.0*b1 + c; - } else { - t = numer/denom; - s = 1 - t; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + - t*(a01*s + a11*t + 2.0*b1) + c; - } - } else { - t = 0; - if (tmp1 <= 0) { - s = 1; - sqrDistance = a00 + 2.0*b0 + c; - } else if (b0 >= 0) { - s = 0; - sqrDistance = c; - } else { - s = -b0/a00; - sqrDistance = b0*s + c; - } - } - } else { // region 1 - numer = a11 + b1 - a01 - b0; - if (numer <= 0) { - s = 0; - t = 1; - sqrDistance = a11 + 2.0*b1 + c; + + k = decodeURIComponent(kstr); + v = decodeURIComponent(vstr); + + if (!hasOwnProperty(obj, k)) { + obj[k] = v; + } else if (isArray(obj[k])) { + obj[k].push(v); + } else { + obj[k] = [obj[k], v]; + } + } + + return obj; +}; + +var isArray = Array.isArray || function (xs) { + return Object.prototype.toString.call(xs) === '[object Array]'; +}; + +},{}],492:[function(require,module,exports){ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +'use strict'; + +var stringifyPrimitive = function(v) { + switch (typeof v) { + case 'string': + return v; + + case 'boolean': + return v ? 'true' : 'false'; + + case 'number': + return isFinite(v) ? v : ''; + + default: + return ''; + } +}; + +module.exports = function(obj, sep, eq, name) { + sep = sep || '&'; + eq = eq || '='; + if (obj === null) { + obj = undefined; + } + + if (typeof obj === 'object') { + return map(objectKeys(obj), function(k) { + var ks = encodeURIComponent(stringifyPrimitive(k)) + eq; + if (isArray(obj[k])) { + return map(obj[k], function(v) { + return ks + encodeURIComponent(stringifyPrimitive(v)); + }).join(sep); } else { - denom = a00 - 2.0*a01 + a11; - if (numer >= denom) { - s = 1; - t = 0; - sqrDistance = a00 + 2.0*b0 + c; - } else { - s = numer/denom; - t = 1 - s; - sqrDistance = s*(a00*s + a01*t + 2.0*b0) + - t*(a01*s + a11*t + 2.0*b1) + c; - } + return ks + encodeURIComponent(stringifyPrimitive(obj[k])); } - } - } - var u = 1.0 - s - t; - for(var i=0; i left) { + if (right - left > 600) { + var n = right - left + 1; + var m = k - left + 1; + var z = Math.log(n); + var s = 0.5 * Math.exp(2 * z / 3); + var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); + var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); + var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); + partialSort(arr, k, newLeft, newRight, compare); } - } catch (e) { - cachedSetTimeout = defaultSetTimout; - } - try { - if (typeof clearTimeout === 'function') { - cachedClearTimeout = clearTimeout; - } else { - cachedClearTimeout = defaultClearTimeout; + + var t = arr[k]; + var i = left; + var j = right; + + swap(arr, left, k); + if (compare(arr[right], t) > 0) swap(arr, left, right); + + while (i < j) { + swap(arr, i, j); + i++; + j--; + while (compare(arr[i], t) < 0) i++; + while (compare(arr[j], t) > 0) j--; } - } catch (e) { - cachedClearTimeout = defaultClearTimeout; - } -} ()) -function runTimeout(fun) { - if (cachedSetTimeout === setTimeout) { - //normal enviroments in sane situations - return setTimeout(fun, 0); - } - // if setTimeout wasn't available but was latter defined - if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { - cachedSetTimeout = setTimeout; - return setTimeout(fun, 0); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedSetTimeout(fun, 0); - } catch(e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedSetTimeout.call(null, fun, 0); - } catch(e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error - return cachedSetTimeout.call(this, fun, 0); + + if (compare(arr[left], t) === 0) swap(arr, left, j); + else { + j++; + swap(arr, j, right); } + + if (j <= k) left = j + 1; + if (k <= j) right = j - 1; } +} +function swap(arr, i, j) { + var tmp = arr[i]; + arr[i] = arr[j]; + arr[j] = tmp; +} +function defaultCompare(a, b) { + return a < b ? -1 : a > b ? 1 : 0; } -function runClearTimeout(marker) { - if (cachedClearTimeout === clearTimeout) { - //normal enviroments in sane situations - return clearTimeout(marker); - } - // if clearTimeout wasn't available but was latter defined - if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { - cachedClearTimeout = clearTimeout; - return clearTimeout(marker); - } - try { - // when when somebody has screwed with setTimeout but no I.E. maddness - return cachedClearTimeout(marker); - } catch (e){ - try { - // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally - return cachedClearTimeout.call(null, marker); - } catch (e){ - // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error. - // Some versions of I.E. have different rules for clearTimeout vs setTimeout - return cachedClearTimeout.call(this, marker); - } - } +},{}],495:[function(require,module,exports){ +'use strict' + +var bnadd = require('big-rat/add') +module.exports = add +function add (a, b) { + var n = a.length + var r = new Array(n) + for (var i=0; i 1) { - for (var i = 1; i < arguments.length; i++) { - args[i - 1] = arguments[i]; - } +},{"big-rat":57,"big-rat/mul":66}],498:[function(require,module,exports){ +'use strict' + +var bnsub = require('big-rat/sub') + +module.exports = sub + +function sub(a, b) { + var n = a.length + var r = new Array(n) + for(var i=0; i 0) { + var f = cells[ptr-1] + if(compareCell(c, f) === 0 && + orientation(f) !== o) { + ptr -= 1 + continue + } } -}; + cells[ptr++] = c + } + cells.length = ptr + return cells +} -// v8 likes predictible objects -function Item(fun, array) { - this.fun = fun; - this.array = array; +},{"cell-orientation":90,"compare-cell":107,"compare-oriented-cell":108}],500:[function(require,module,exports){ +'use strict' + +var getBounds = require('array-bounds') +var rgba = require('color-normalize') +var updateDiff = require('update-diff') +var pick = require('pick-by-alias') +var extend = require('object-assign') +var flatten = require('flatten-vertex-data') +var ref = require('to-float32'); +var float32 = ref.float32; +var fract32 = ref.fract32; + +module.exports = Error2D + +var WEIGHTS = [ + //direction, lineWidth shift, capSize shift + + // x-error bar + [1, 0, 0, 1, 0, 0], + [1, 0, 0, -1, 0, 0], + [-1, 0, 0, -1, 0, 0], + + [-1, 0, 0, -1, 0, 0], + [-1, 0, 0, 1, 0, 0], + [1, 0, 0, 1, 0, 0], + + // x-error right cap + [1, 0, -1, 0, 0, 1], + [1, 0, -1, 0, 0, -1], + [1, 0, 1, 0, 0, -1], + + [1, 0, 1, 0, 0, -1], + [1, 0, 1, 0, 0, 1], + [1, 0, -1, 0, 0, 1], + + // x-error left cap + [-1, 0, -1, 0, 0, 1], + [-1, 0, -1, 0, 0, -1], + [-1, 0, 1, 0, 0, -1], + + [-1, 0, 1, 0, 0, -1], + [-1, 0, 1, 0, 0, 1], + [-1, 0, -1, 0, 0, 1], + + // y-error bar + [0, 1, 1, 0, 0, 0], + [0, 1, -1, 0, 0, 0], + [0, -1, -1, 0, 0, 0], + + [0, -1, -1, 0, 0, 0], + [0, 1, 1, 0, 0, 0], + [0, -1, 1, 0, 0, 0], + + // y-error top cap + [0, 1, 0, -1, 1, 0], + [0, 1, 0, -1, -1, 0], + [0, 1, 0, 1, -1, 0], + + [0, 1, 0, 1, 1, 0], + [0, 1, 0, -1, 1, 0], + [0, 1, 0, 1, -1, 0], + + // y-error bottom cap + [0, -1, 0, -1, 1, 0], + [0, -1, 0, -1, -1, 0], + [0, -1, 0, 1, -1, 0], + + [0, -1, 0, 1, 1, 0], + [0, -1, 0, -1, 1, 0], + [0, -1, 0, 1, -1, 0] +] + + +function Error2D (regl, options) { + if (typeof regl === 'function') { + if (!options) { options = {} } + options.regl = regl + } + else { + options = regl + } + if (options.length) { options.positions = options } + regl = options.regl + + if (!regl.hasExtension('ANGLE_instanced_arrays')) { + throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); + } + + // persistent variables + var gl = regl._gl, drawErrors, positionBuffer, positionFractBuffer, colorBuffer, errorBuffer, meshBuffer, + defaults = { + color: 'black', + capSize: 5, + lineWidth: 1, + opacity: 1, + viewport: null, + range: null, + offset: 0, + count: 0, + bounds: null, + positions: [], + errors: [] + }, groups = [] + + //color per-point + colorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'uint8', + data: null + }) + //xy-position per-point + positionBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + //xy-position float32-fraction + positionFractBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + //4 errors per-point + errorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + //error bar mesh + meshBuffer = regl.buffer({ + usage: 'static', + type: 'float', + data: WEIGHTS + }) + + update(options) + + //drawing method + drawErrors = regl({ + vert: "\n\t\tprecision highp float;\n\n\t\tattribute vec2 position, positionFract;\n\t\tattribute vec4 error;\n\t\tattribute vec4 color;\n\n\t\tattribute vec2 direction, lineOffset, capOffset;\n\n\t\tuniform vec4 viewport;\n\t\tuniform float lineWidth, capSize;\n\t\tuniform vec2 scale, scaleFract, translate, translateFract;\n\n\t\tvarying vec4 fragColor;\n\n\t\tvoid main() {\n\t\t\tfragColor = color / 255.;\n\n\t\t\tvec2 pixelOffset = lineWidth * lineOffset + (capSize + lineWidth) * capOffset;\n\n\t\t\tvec2 dxy = -step(.5, direction.xy) * error.xz + step(direction.xy, vec2(-.5)) * error.yw;\n\n\t\t\tvec2 position = position + dxy;\n\n\t\t\tvec2 pos = (position + translate) * scale\n\t\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t\t+ (position + translate) * scaleFract\n\t\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n\t\t\tpos += pixelOffset / viewport.zw;\n\n\t\t\tgl_Position = vec4(pos * 2. - 1., 0, 1);\n\t\t}\n\t\t", + + frag: "\n\t\tprecision mediump float;\n\n\t\tvarying vec4 fragColor;\n\n\t\tuniform float opacity;\n\n\t\tvoid main() {\n\t\t\tgl_FragColor = fragColor;\n\t\t\tgl_FragColor.a *= opacity;\n\t\t}\n\t\t", + + uniforms: { + range: regl.prop('range'), + lineWidth: regl.prop('lineWidth'), + capSize: regl.prop('capSize'), + opacity: regl.prop('opacity'), + scale: regl.prop('scale'), + translate: regl.prop('translate'), + scaleFract: regl.prop('scaleFract'), + translateFract: regl.prop('translateFract'), + viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } + }, + + attributes: { + //dynamic attributes + color: { + buffer: colorBuffer, + offset: function (ctx, prop) { return prop.offset * 4; }, + divisor: 1, + }, + position: { + buffer: positionBuffer, + offset: function (ctx, prop) { return prop.offset * 8; }, + divisor: 1 + }, + positionFract: { + buffer: positionFractBuffer, + offset: function (ctx, prop) { return prop.offset * 8; }, + divisor: 1 + }, + error: { + buffer: errorBuffer, + offset: function (ctx, prop) { return prop.offset * 16; }, + divisor: 1 + }, + + //static attributes + direction: { + buffer: meshBuffer, + stride: 24, + offset: 0 + }, + lineOffset: { + buffer: meshBuffer, + stride: 24, + offset: 8 + }, + capOffset: { + buffer: meshBuffer, + stride: 24, + offset: 16 + } + }, + + primitive: 'triangles', + + blend: { + enable: true, + color: [0,0,0,0], + equation: { + rgb: 'add', + alpha: 'add' + }, + func: { + srcRGB: 'src alpha', + dstRGB: 'one minus src alpha', + srcAlpha: 'one minus dst alpha', + dstAlpha: 'one' + } + }, + + depth: { + enable: false + }, + + scissor: { + enable: true, + box: regl.prop('viewport') + }, + viewport: regl.prop('viewport'), + stencil: false, + + instances: regl.prop('count'), + count: WEIGHTS.length + }) + + //expose API + extend(error2d, { + update: update, + draw: draw, + destroy: destroy, + regl: regl, + gl: gl, + canvas: gl.canvas, + groups: groups + }) + + return error2d + + function error2d (opts) { + //update + if (opts) { + update(opts) + } + + //destroy + else if (opts === null) { + destroy() + } + + draw() + } + + + //main draw method + function draw (options) { + if (typeof options === 'number') { return drawGroup(options) } + + //make options a batch + if (options && !Array.isArray(options)) { options = [options] } + + + regl._refresh() + + //render multiple polylines via regl batch + groups.forEach(function (s, i) { + if (!s) { return } + + if (options) { + if (!options[i]) { s.draw = false } + else { s.draw = true } + } + + //ignore draw flag for one pass + if (!s.draw) { + s.draw = true; + return + } + + drawGroup(i) + }) + } + + //draw single error group by id + function drawGroup (s) { + if (typeof s === 'number') { s = groups[s] } + if (s == null) { return } + + if (!(s && s.count && s.color && s.opacity && s.positions && s.positions.length > 1)) { return } + + s.scaleRatio = [ + s.scale[0] * s.viewport.width, + s.scale[1] * s.viewport.height + ] + + drawErrors(s) + + if (s.after) { s.after(s) } + } + + function update (options) { + if (!options) { return } + + //direct points argument + if (options.length != null) { + if (typeof options[0] === 'number') { options = [{positions: options}] } + } + + //make options a batch + else if (!Array.isArray(options)) { options = [options] } + + //global count of points + var pointCount = 0, errorCount = 0 + + groups = options.map(function (options, i) { + var group = groups[i] + + if (!options) { return group } + else if (typeof options === 'function') { options = {after: options} } + else if (typeof options[0] === 'number') { options = {positions: options} } + + //copy options to avoid mutation & handle aliases + options = pick(options, { + color: 'color colors fill', + capSize: 'capSize cap capsize cap-size', + lineWidth: 'lineWidth line-width width line thickness', + opacity: 'opacity alpha', + range: 'range dataBox', + viewport: 'viewport viewBox', + errors: 'errors error', + positions: 'positions position data points' + }) + + if (!group) { + groups[i] = group = { + id: i, + scale: null, + translate: null, + scaleFract: null, + translateFract: null, + draw: true + } + options = extend({}, defaults, options) + } + + updateDiff(group, options, [{ + lineWidth: function (v) { return +v * .5; }, + capSize: function (v) { return +v * .5; }, + opacity: parseFloat, + errors: function (errors) { + errors = flatten(errors) + + errorCount += errors.length + return errors + }, + positions: function (positions, state) { + positions = flatten(positions, 'float64') + state.count = Math.floor(positions.length / 2) + state.bounds = getBounds(positions, 2) + state.offset = pointCount + + pointCount += state.count + + return positions + } + }, { + color: function (colors, state) { + var count = state.count + + if (!colors) { colors = 'transparent' } + + // 'black' or [0,0,0,0] case + if (!Array.isArray(colors) || typeof colors[0] === 'number') { + var color = colors + colors = Array(count) + for (var i = 0; i < count; i++) { + colors[i] = color + } + } + + if (colors.length < count) { throw Error('Not enough colors') } + + var colorData = new Uint8Array(count * 4) + + //convert colors to float arrays + for (var i$1 = 0; i$1 < count; i$1++) { + var c = rgba(colors[i$1], 'uint8') + colorData.set(c, i$1 * 4) + } + + return colorData + }, + + range: function (range, state, options) { + var bounds = state.bounds + if (!range) { range = bounds } + + state.scale = [1 / (range[2] - range[0]), 1 / (range[3] - range[1])] + state.translate = [-range[0], -range[1]] + + state.scaleFract = fract32(state.scale) + state.translateFract = fract32(state.translate) + + return range + }, + + viewport: function (vp) { + var viewport + + if (Array.isArray(vp)) { + viewport = { + x: vp[0], + y: vp[1], + width: vp[2] - vp[0], + height: vp[3] - vp[1] + } + } + else if (vp) { + viewport = { + x: vp.x || vp.left || 0, + y: vp.y || vp.top || 0 + } + + if (vp.right) { viewport.width = vp.right - viewport.x } + else { viewport.width = vp.w || vp.width || 0 } + + if (vp.bottom) { viewport.height = vp.bottom - viewport.y } + else { viewport.height = vp.h || vp.height || 0 } + } + else { + viewport = { + x: 0, y: 0, + width: gl.drawingBufferWidth, + height: gl.drawingBufferHeight + } + } + + return viewport + } + }]) + + return group + }) + + if (pointCount || errorCount) { + var len = groups.reduce(function (acc, group, i) { + return acc + (group ? group.count : 0) + }, 0) + + var positionData = new Float64Array(len * 2) + var colorData = new Uint8Array(len * 4) + var errorData = new Float32Array(len * 4) + + groups.forEach(function (group, i) { + if (!group) { return } + var positions = group.positions; + var count = group.count; + var offset = group.offset; + var color = group.color; + var errors = group.errors; + if (!count) { return } + + colorData.set(color, offset * 4) + errorData.set(errors, offset * 4) + positionData.set(positions, offset * 2) + }) + + positionBuffer(float32(positionData)) + positionFractBuffer(fract32(positionData)) + colorBuffer(colorData) + errorBuffer(errorData) + } + + } + + function destroy () { + positionBuffer.destroy() + positionFractBuffer.destroy() + colorBuffer.destroy() + errorBuffer.destroy() + meshBuffer.destroy() + } } -Item.prototype.run = function () { - this.fun.apply(null, this.array); -}; -process.title = 'browser'; -process.browser = true; -process.env = {}; -process.argv = []; -process.version = ''; // empty string to avoid regexp issues -process.versions = {}; +},{"array-bounds":48,"color-normalize":99,"flatten-vertex-data":143,"object-assign":462,"pick-by-alias":473,"to-float32":547,"update-diff":558}],501:[function(require,module,exports){ +'use strict' -function noop() {} +var rgba = require('color-normalize') +var getBounds = require('array-bounds') +var extend = require('object-assign') +var glslify = require('glslify') +var pick = require('pick-by-alias') +var updateDiff = require('update-diff') +var flatten = require('flatten-vertex-data') +var triangulate = require('earcut') +var normalize = require('array-normalize') -process.on = noop; -process.addListener = noop; -process.once = noop; -process.off = noop; -process.removeListener = noop; -process.removeAllListeners = noop; -process.emit = noop; -process.prependListener = noop; -process.prependOnceListener = noop; +module.exports = createLine + + +function createLine (regl, options) { + if (typeof regl === 'function') { + if (!options) { options = {} } + options.regl = regl + } + else { + options = regl + } + if (options.length) { options.positions = options } + regl = options.regl -process.listeners = function (name) { return [] } + if (!regl.hasExtension('ANGLE_instanced_arrays')) { + throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); + } -process.binding = function (name) { - throw new Error('process.binding is not supported'); -}; + // persistent variables + var gl = regl._gl, drawMiterLine, drawRectLine, drawFill, colorBuffer, offsetBuffer, positionBuffer, positionFractBuffer, dashTexture, + + // used to for new lines instances + defaults = { + positions: [], + dashes: null, + join: null, + miterLimit: 1, + thickness: 10, + cap: 'square', + color: 'black', + opacity: 1, + overlay: false, + viewport: null, + range: null, + close: null, + fill: null + }, -process.cwd = function () { return '/' }; -process.chdir = function (dir) { - throw new Error('process.chdir is not supported'); -}; -process.umask = function() { return 0; }; + // list of options for lines + lines = [] -},{}],489:[function(require,module,exports){ -(function (global){ -/*! https://mths.be/punycode v1.4.1 by @mathias */ -;(function(root) { + var dashMult = 2, maxPatternLength = 256, maxLinesNumber = 2048, precisionThreshold = 3e6, maxPoints = 1e4 - /** Detect free variables */ - var freeExports = typeof exports == 'object' && exports && - !exports.nodeType && exports; - var freeModule = typeof module == 'object' && module && - !module.nodeType && module; - var freeGlobal = typeof global == 'object' && global; - if ( - freeGlobal.global === freeGlobal || - freeGlobal.window === freeGlobal || - freeGlobal.self === freeGlobal - ) { - root = freeGlobal; - } - /** - * The `punycode` object. - * @name punycode - * @type Object - */ - var punycode, + //color per-point + colorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'uint8', + data: null + }) + offsetBuffer = regl.buffer({ + usage: 'static', + type: 'float', + data: [0,1, 0,0, 1,1, 1,0] + }) + positionBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + positionFractBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + dashTexture = regl.texture({ + channels: 1, + data: new Uint8Array(maxPatternLength * maxLinesNumber), + width: maxPatternLength, + height: maxLinesNumber, + mag: 'linear', + min: 'linear' + }) - /** Highest positive signed 32-bit float value */ - maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1 + //init defaults + update(options) + + var shaderOptions = { + primitive: 'triangle strip', + instances: regl.prop('count'), + count: 4, + offset: 0, + + uniforms: { + miterMode: function (ctx, prop) { return prop.join === 'round' ? 2 : 1; }, + miterLimit: regl.prop('miterLimit'), + scale: regl.prop('scale'), + scaleFract: regl.prop('scaleFract'), + translateFract: regl.prop('translateFract'), + translate: regl.prop('translate'), + thickness: regl.prop('thickness'), + dashPattern: dashTexture, + dashLength: regl.prop('dashLength'), + dashShape: [maxPatternLength, maxLinesNumber], + opacity: regl.prop('opacity'), + pixelRatio: regl.context('pixelRatio'), + id: regl.prop('id'), + scaleRatio: regl.prop('scaleRatio'), + viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } + }, - /** Bootstring parameters */ - base = 36, - tMin = 1, - tMax = 26, - skew = 38, - damp = 700, - initialBias = 72, - initialN = 128, // 0x80 - delimiter = '-', // '\x2D' + blend: { + enable: true, + color: [0,0,0,0], + equation: { + rgb: 'add', + alpha: 'add' + }, + func: { + srcRGB: 'src alpha', + dstRGB: 'one minus src alpha', + srcAlpha: 'one minus dst alpha', + dstAlpha: 'one' + } + }, + depth: { + enable: function (ctx, prop) { + return !prop.overlay + } + }, + scissor: { + enable: true, + box: regl.prop('viewport') + }, + stencil: false, + viewport: regl.prop('viewport') + } - /** Regular expressions */ - regexPunycode = /^xn--/, - regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars - regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators + //create regl draw + drawMiterLine = regl(extend({ + //culling removes polygon creasing + cull: { + enable: true, + face: 'back' + }, - /** Error messages */ - errors = { - 'overflow': 'Overflow: input needs wider integers to process', - 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', - 'invalid-input': 'Invalid input' - }, + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, nextCoord, prevCoord;\nattribute vec4 aColor, bColor;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, translate, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\nuniform float miterLimit, dashLength, miterMode;\n\nvarying vec4 fragColor;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 tangent;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nconst float MAX_LINES = 256.;\nconst float REVERSE_THRESHOLD = -.875;\nconst float MIN_DIST = 1.;\n\n//TODO: possible optimizations: avoid overcalculating all for vertices and calc just one instead\n//TODO: precalculate dot products, normalize things beforehead etc.\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nbool isNaN( float val ){\n return ( val < 0.0 || 0.0 < val || val == 0.0 ) ? false : true;\n}\n\nvoid main() {\n\tvec2 aCoord = aCoord, bCoord = bCoord, prevCoord = prevCoord, nextCoord = nextCoord;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineBot = 1. - lineTop;\n\tfloat depth = (MAX_LINES - 1. - id) / MAX_LINES;\n\n\tfragColor = (lineStart * aColor + lineEnd * bColor) / 255.;\n\n\tif (isNaN(aCoord.x) || isNaN(aCoord.y) || isNaN(bCoord.x) || isNaN(bCoord.y)) return;\n\n\tif (aCoord == prevCoord) prevCoord = aCoord + normalize(bCoord - aCoord);\n\tif (bCoord == nextCoord) nextCoord = bCoord - normalize(bCoord - aCoord);\n\n\tvec2 prevDiff = aCoord - prevCoord;\n\tvec2 currDiff = bCoord - aCoord;\n\tvec2 nextDiff = nextCoord - bCoord;\n\n\tvec2 prevDirection = normalize(prevDiff);\n\tvec2 currDirection = normalize(currDiff);\n\tvec2 nextDirection = normalize(nextDiff);\n\n\tvec2 prevTangent = normalize(prevDiff * scaleRatio);\n\tvec2 currTangent = normalize(currDiff * scaleRatio);\n\tvec2 nextTangent = normalize(nextDiff * scaleRatio);\n\n\tvec2 prevNormal = vec2(-prevTangent.y, prevTangent.x);\n\tvec2 currNormal = vec2(-currTangent.y, currTangent.x);\n\tvec2 nextNormal = vec2(-nextTangent.y, nextTangent.x);\n\n\tvec2 startJoinDirection = normalize(prevTangent - currTangent);\n\tvec2 endJoinDirection = normalize(currTangent - nextTangent);\n\n\t//collapsed/unidirectional segment cases\n\tif (prevDirection == currDirection) {\n\t\tstartJoinDirection = currNormal;\n\t}\n\tif (nextDirection == currDirection) {\n\t\tendJoinDirection = currNormal;\n\t}\n\tif (aCoord == bCoord) {\n\t\tendJoinDirection = startJoinDirection;\n\t\tcurrNormal = prevNormal;\n\t\tcurrTangent = prevTangent;\n\t}\n\n\ttangent = currTangent;\n\n\t//calculate join shifts relative to normals\n\tfloat startJoinShift = dot(currNormal, startJoinDirection);\n\tfloat endJoinShift = dot(currNormal, endJoinDirection);\n\n\tfloat startMiterRatio = abs(1. / startJoinShift);\n\tfloat endMiterRatio = abs(1. / endJoinShift);\n\n\tvec2 startJoin = startJoinDirection * startMiterRatio;\n\tvec2 endJoin = endJoinDirection * endMiterRatio;\n\n\tvec2 startTopJoin, startBotJoin, endTopJoin, endBotJoin;\n\tstartTopJoin = sign(startJoinShift) * startJoin * .5;\n\tstartBotJoin = -startTopJoin;\n\n\tendTopJoin = sign(endJoinShift) * endJoin * .5;\n\tendBotJoin = -endTopJoin;\n\n\tvec2 aTopCoord = aCoord + normalWidth * startTopJoin;\n\tvec2 bTopCoord = bCoord + normalWidth * endTopJoin;\n\tvec2 aBotCoord = aCoord + normalWidth * startBotJoin;\n\tvec2 bBotCoord = bCoord + normalWidth * endBotJoin;\n\n\t//miter anti-clipping\n\tfloat baClipping = distToLine(bCoord, aCoord, aBotCoord) / dot(normalize(normalWidth * endBotJoin), normalize(normalWidth.yx * vec2(-startBotJoin.y, startBotJoin.x)));\n\tfloat abClipping = distToLine(aCoord, bCoord, bTopCoord) / dot(normalize(normalWidth * startBotJoin), normalize(normalWidth.yx * vec2(-endBotJoin.y, endBotJoin.x)));\n\n\t//prevent close to reverse direction switch\n\tbool prevReverse = dot(currTangent, prevTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, prevNormal)) * min(length(prevDiff), length(currDiff)) < length(normalWidth * currNormal);\n\tbool nextReverse = dot(currTangent, nextTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, nextNormal)) * min(length(nextDiff), length(currDiff)) < length(normalWidth * currNormal);\n\n\tif (prevReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * startJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / startMiterRatio, 1.);\n\t\taBotCoord = aCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\taTopCoord = aCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!nextReverse && baClipping > 0. && baClipping < length(normalWidth * endBotJoin)) {\n\t\t//handle miter clipping\n\t\tbTopCoord -= normalWidth * endTopJoin;\n\t\tbTopCoord += normalize(endTopJoin * normalWidth) * baClipping;\n\t}\n\n\tif (nextReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * endJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / endMiterRatio, 1.);\n\t\tbBotCoord = bCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\tbTopCoord = bCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!prevReverse && abClipping > 0. && abClipping < length(normalWidth * startBotJoin)) {\n\t\t//handle miter clipping\n\t\taBotCoord -= normalWidth * startBotJoin;\n\t\taBotCoord += normalize(startBotJoin * normalWidth) * abClipping;\n\t}\n\n\tvec2 aTopPosition = (aTopCoord + translate) * scale;\n\tvec2 aBotPosition = (aBotCoord + translate) * scale;\n\n\tvec2 bTopPosition = (bTopCoord + translate) * scale;\n\tvec2 bBotPosition = (bBotCoord + translate) * scale;\n\n\t//position is normalized 0..1 coord on the screen\n\tvec2 position = (aTopPosition * lineTop + aBotPosition * lineBot) * lineStart + (bTopPosition * lineTop + bBotPosition * lineBot) * lineEnd;\n\n\tstartCoord = (aCoord + translate) * scaleRatio + viewport.xy;\n\tendCoord = (bCoord + translate) * scaleRatio + viewport.xy;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tenableStartMiter = step(dot(currTangent, prevTangent), .5);\n\tenableEndMiter = step(dot(currTangent, nextTangent), .5);\n\n\t//bevel miter cutoffs\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * miterLimit * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * miterLimit * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n\n\t//round miter cutoffs\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * abs(dot(startJoinDirection, currNormal)) * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * abs(dot(endJoinDirection, currNormal)) * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n}\n"]), + frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id, miterMode;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nvoid main() {\n\tfloat alpha = 1., distToStart, distToEnd;\n\tfloat cutoff = thickness * .5;\n\n\t//bevel miter\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToStart + 1., 0.), 1.);\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToEnd + 1., 0.), 1.);\n\t\t}\n\t}\n\n\t// round miter\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - startCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - endCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\t}\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), - /** Convenience shortcuts */ - baseMinusTMin = base - tMin, - floor = Math.floor, - stringFromCharCode = String.fromCharCode, + attributes: { + lineEnd: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 0 + }, + lineTop: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 4 + }, + aColor: { + buffer: colorBuffer, + stride: 4, + offset: function (ctx, prop) { return prop.offset * 4; }, + divisor: 1 + }, + bColor: { + buffer: colorBuffer, + stride: 4, + offset: function (ctx, prop) { return prop.offset * 4 + 4; }, + divisor: 1 + }, + prevCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return prop.offset * 8; }, + divisor: 1 + }, + aCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; }, + divisor: 1 + }, + bCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 16 + prop.offset * 8; }, + divisor: 1 + }, + nextCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 24 + prop.offset * 8; }, + divisor: 1 + } + } + }, shaderOptions)) + + //simplified rectangular line shader + drawRectLine = regl(extend({ + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, aCoordFract, bCoordFract;\nattribute vec4 color;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nconst float MAX_LINES = 256.;\n\nvec2 project(vec2 position, vec2 positionFract, vec2 scale, vec2 scaleFract, vec2 translate, vec2 translateFract) {\n return (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n}\n\nvoid main() {\n\t// vec2 scaleRatio = scale * viewport.zw;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineOffset = lineTop * 2. - 1.;\n\tfloat depth = (MAX_LINES - 1. - id) / (MAX_LINES);\n\n\tvec2 diff = (bCoord + bCoordFract - aCoord - aCoordFract);\n\ttangent = normalize(diff * scaleRatio);\n\tvec2 normal = vec2(-tangent.y, tangent.x);\n\n\tvec2 position = project(aCoord, aCoordFract, scale, scaleFract, translate, translateFract) * lineStart\n\t\t+ project(bCoord, bCoordFract, scale, scaleFract, translate, translateFract) * lineEnd\n\n\t\t+ thickness * normal * .5 * lineOffset / viewport.zw;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), + frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nvoid main() {\n\tfloat alpha = 1.;\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), + + attributes: { + lineEnd: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 0 + }, + lineTop: { + buffer: offsetBuffer, + divisor: 0, + stride: 8, + offset: 4 + }, + aCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; }, + divisor: 1 + }, + bCoord: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 16 + prop.offset * 8; }, + divisor: 1 + }, + aCoordFract: { + buffer: positionFractBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; }, + divisor: 1 + }, + bCoordFract: { + buffer: positionFractBuffer, + stride: 8, + offset: function (ctx, prop) { return 16 + prop.offset * 8; }, + divisor: 1 + }, + color: { + buffer: colorBuffer, + stride: 4, + offset: function (ctx, prop) { return prop.offset * 4; }, + divisor: 1 + } + } + }, shaderOptions)) + + + //fill shader + drawFill = regl({ + primitive: 'triangle', + elements: function (ctx, prop) { return prop.triangles; }, + offset: 0, + + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\n\nuniform vec4 color;\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\n\nconst float MAX_LINES = 256.;\n\nvoid main() {\n\tfloat depth = (MAX_LINES - 4. - id) / (MAX_LINES);\n\n\tvec2 position = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), + frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform float opacity;\n\nvarying vec4 fragColor;\n\nvoid main() {\n\tgl_FragColor = fragColor;\n\tgl_FragColor.a *= opacity;\n}\n"]), + + uniforms: { + scale: regl.prop('scale'), + color: regl.prop('fill'), + scaleFract: regl.prop('scaleFract'), + translateFract: regl.prop('translateFract'), + translate: regl.prop('translate'), + opacity: regl.prop('opacity'), + pixelRatio: regl.context('pixelRatio'), + id: regl.prop('id'), + viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } + }, - /** Temporary variable */ - key; + attributes: { + position: { + buffer: positionBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; } + }, + positionFract: { + buffer: positionFractBuffer, + stride: 8, + offset: function (ctx, prop) { return 8 + prop.offset * 8; } + } + }, - /*--------------------------------------------------------------------------*/ + blend: shaderOptions.blend, - /** - * A generic error utility function. - * @private - * @param {String} type The error type. - * @returns {Error} Throws a `RangeError` with the applicable error message. - */ - function error(type) { - throw new RangeError(errors[type]); - } + depth: { + enable: false + }, + scissor: shaderOptions.scissor, + stencil: shaderOptions.stencil, + viewport: shaderOptions.viewport + }) - /** - * A generic `Array#map` utility function. - * @private - * @param {Array} array The array to iterate over. - * @param {Function} callback The function that gets called for every array - * item. - * @returns {Array} A new array of values returned by the callback function. - */ - function map(array, fn) { - var length = array.length; - var result = []; - while (length--) { - result[length] = fn(array[length]); + //expose API + extend(line2d, { + update: update, + draw: draw, + destroy: destroy, + regl: regl, + gl: gl, + canvas: gl.canvas, + lines: lines + }) + + function line2d (opts) { + //update + if (opts) { + update(opts) } - return result; - } - /** - * A simple `Array#map`-like wrapper to work with domain name strings or email - * addresses. - * @private - * @param {String} domain The domain name or email address. - * @param {Function} callback The function that gets called for every - * character. - * @returns {Array} A new string of characters returned by the callback - * function. - */ - function mapDomain(string, fn) { - var parts = string.split('@'); - var result = ''; - if (parts.length > 1) { - // In email addresses, only the domain name should be punycoded. Leave - // the local part (i.e. everything up to `@`) intact. - result = parts[0] + '@'; - string = parts[1]; + //destroy + else if (opts === null) { + destroy() } - // Avoid `split(regex)` for IE8 compatibility. See #17. - string = string.replace(regexSeparators, '\x2E'); - var labels = string.split('.'); - var encoded = map(labels, fn).join('.'); - return result + encoded; + + draw() } - /** - * Creates an array containing the numeric code points of each Unicode - * character in the string. While JavaScript uses UCS-2 internally, - * this function will convert a pair of surrogate halves (each of which - * UCS-2 exposes as separate characters) into a single code point, - * matching UTF-16. - * @see `punycode.ucs2.encode` - * @see - * @memberOf punycode.ucs2 - * @name decode - * @param {String} string The Unicode input string (UCS-2). - * @returns {Array} The new array of code points. - */ - function ucs2decode(string) { - var output = [], - counter = 0, - length = string.length, - value, - extra; - while (counter < length) { - value = string.charCodeAt(counter++); - if (value >= 0xD800 && value <= 0xDBFF && counter < length) { - // high surrogate, and there is a next character - extra = string.charCodeAt(counter++); - if ((extra & 0xFC00) == 0xDC00) { // low surrogate - output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); - } else { - // unmatched surrogate; only append this code unit, in case the next - // code unit is the high surrogate of a surrogate pair - output.push(value); - counter--; - } - } else { - output.push(value); + function draw (options) { + if (typeof options === 'number') { return drawLine(options) } + + //make options a batch + if (options && !Array.isArray(options)) { options = [options] } + + //render multiple polylines via regl batch + lines.forEach(function (s, i) { + if (options) { + if (!options[i]) { s.draw = false } + else { s.draw = true } } - } - return output; - } - /** - * Creates a string based on an array of numeric code points. - * @see `punycode.ucs2.decode` - * @memberOf punycode.ucs2 - * @name encode - * @param {Array} codePoints The array of numeric code points. - * @returns {String} The new Unicode string (UCS-2). - */ - function ucs2encode(array) { - return map(array, function(value) { - var output = ''; - if (value > 0xFFFF) { - value -= 0x10000; - output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800); - value = 0xDC00 | value & 0x3FF; + //ignore draw flag for one pass + if (!s.draw) { + s.draw = true; + return } - output += stringFromCharCode(value); - return output; - }).join(''); + + drawLine(i) + }) } - /** - * Converts a basic code point into a digit/integer. - * @see `digitToBasic()` - * @private - * @param {Number} codePoint The basic numeric code point value. - * @returns {Number} The numeric value of a basic code point (for use in - * representing integers) in the range `0` to `base - 1`, or `base` if - * the code point does not represent a value. - */ - function basicToDigit(codePoint) { - if (codePoint - 48 < 10) { - return codePoint - 22; + //draw single line by id + function drawLine (s) { + if (typeof s === 'number') { s = lines[s] } + + if (!(s && s.count && s.opacity && s.positions && s.positions.length > 2)) { return } + + regl._refresh() + + if (s.fill && s.triangles && s.triangles.length > 2) { + drawFill(s) } - if (codePoint - 65 < 26) { - return codePoint - 65; + + if (!s.thickness || !s.color) { return } + + s.scaleRatio = [ + s.scale[0] * s.viewport.width, + s.scale[1] * s.viewport.height + ] + + //high scale is only available for rect mode with precision + if (s.scaleRatio[0] > precisionThreshold || s.scaleRatio[1] > precisionThreshold) { + drawRectLine(s) } - if (codePoint - 97 < 26) { - return codePoint - 97; + + //thin lines or too many points are rendered as simplified rect shader + else if (s.join === 'rect' || (!s.join && (s.thickness <= 2 || s.positions.length >= maxPoints))) { + drawRectLine(s) + } + else { + drawMiterLine(s) } - return base; - } - /** - * Converts a digit/integer into a basic code point. - * @see `basicToDigit()` - * @private - * @param {Number} digit The numeric value of a basic code point. - * @returns {Number} The basic code point whose value (when used for - * representing integers) is `digit`, which needs to be in the range - * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is - * used; else, the lowercase form is used. The behavior is undefined - * if `flag` is non-zero and `digit` has no uppercase form. - */ - function digitToBasic(digit, flag) { - // 0..25 map to ASCII a..z or A..Z - // 26..35 map to ASCII 0..9 - return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); + if (s.after) { s.after(s) } } - /** - * Bias adaptation function as per section 3.4 of RFC 3492. - * https://tools.ietf.org/html/rfc3492#section-3.4 - * @private - */ - function adapt(delta, numPoints, firstTime) { - var k = 0; - delta = firstTime ? floor(delta / damp) : delta >> 1; - delta += floor(delta / numPoints); - for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { - delta = floor(delta / baseMinusTMin); + function update (options) { + if (!options) { return } + + if (options.length != null) { + if (typeof options[0] === 'number') { options = [{positions: options}] } } - return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); - } - /** - * Converts a Punycode string of ASCII-only symbols to a string of Unicode - * symbols. - * @memberOf punycode - * @param {String} input The Punycode string of ASCII-only symbols. - * @returns {String} The resulting string of Unicode symbols. - */ - function decode(input) { - // Don't use UCS-2 - var output = [], - inputLength = input.length, - out, - i = 0, - n = initialN, - bias = initialBias, - basic, - j, - index, - oldi, - w, - k, - digit, - t, - /** Cached calculation results */ - baseMinusT; + //make options a batch + else if (!Array.isArray(options)) { options = [options] } + + //global count of points + var pointCount = 0 + + //process per-line settings + lines = options.map(function (options, i) { + var state = lines[i] + + if (!options) { return state } + else if (typeof options === 'function') { options = {after: options} } + else if (typeof options[0] === 'number') { options = {positions: options} } + + //reduce by aliases + options = pick(options, { + positions: 'positions points data coords', + thickness: 'thickness lineWidth lineWidths line-width linewidth width stroke-width strokewidth strokeWidth', + join: 'lineJoin linejoin join type mode', + miterLimit: 'miterlimit miterLimit', + dashes: 'dash dashes dasharray dash-array dashArray', + color: 'color stroke colors stroke-color strokeColor', + fill: 'fill fill-color fillColor', + opacity: 'alpha opacity', + overlay: 'overlay crease overlap intersect', + close: 'closed close closed-path closePath', + range: 'range dataBox', + viewport: 'viewport viewBox', + hole: 'holes hole hollow', + after: 'after callback done pass' + }) + + if (!state) { + lines[i] = state = { + id: i, + scale: null, + scaleFract: null, + translate: null, + translateFract: null, + count: 0, + offset: 0, + dashLength: 0, + hole: true + } + options = extend({}, defaults, options) + } - // Handle the basic code points: let `basic` be the number of input code - // points before the last delimiter, or `0` if there is none, then copy - // the first basic code points to the output. + //calculate state values + updateDiff(state, options, [{ + thickness: parseFloat, + opacity: parseFloat, + miterLimit: parseFloat, + overlay: Boolean, + join: function (j) { return j; }, + after: function (fn) { return fn; }, + hole: function (h) { return h || []; }, - basic = input.lastIndexOf(delimiter); - if (basic < 0) { - basic = 0; - } + positions: function (positions, state, options) { + positions = flatten(positions, 'float64') - for (j = 0; j < basic; ++j) { - // if it's not a basic code point - if (input.charCodeAt(j) >= 0x80) { - error('not-basic'); - } - output.push(input.charCodeAt(j)); - } + var count = Math.floor(positions.length / 2) + var bounds = getBounds(positions, 2) - // Main decoding loop: start just after the last delimiter if any basic code - // points were copied; start at the beginning otherwise. + if (!state.range && !options.range) { + options.range = bounds + } - for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { + state.count = count + state.bounds = bounds - // `index` is the index of the next character to be consumed. - // Decode a generalized variable-length integer into `delta`, - // which gets added to `i`. The overflow checking is easier - // if we increase `i` as we go, then subtract off its starting - // value at the end to obtain `delta`. - for (oldi = i, w = 1, k = base; /* no condition */; k += base) { + pointCount += count - if (index >= inputLength) { - error('invalid-input'); - } + return positions + }, - digit = basicToDigit(input.charCodeAt(index++)); + fill: function (c) { + return !c ? null : rgba(c, 'uint8') + }, - if (digit >= base || digit > floor((maxInt - i) / w)) { - error('overflow'); - } + dashes: function (dashes, state, options) { + var dashLength = state.dashLength, + dashData - i += digit * w; - t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + if (!dashes || dashes.length < 2) { + dashLength = 1. + dashData = new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]) + } - if (digit < t) { - break; - } + else { + dashLength = 0.; + for(var i = 0; i < dashes.length; ++i) { + dashLength += dashes[i] + } + dashData = new Uint8Array(dashLength * dashMult) + var ptr = 0 + var fillColor = 255 + + //repeat texture two times to provide smooth 0-step + for (var k = 0; k < 2; k++) { + for(var i$1 = 0; i$1 < dashes.length; ++i$1) { + for(var j = 0, l = dashes[i$1] * dashMult * .5; j < l; ++j) { + dashData[ptr++] = fillColor + } + fillColor ^= 255 + } + } + } - baseMinusT = base - t; - if (w > floor(maxInt / baseMinusT)) { - error('overflow'); - } + dashTexture.subimage({ + // channels: 1, + data: dashData, + width: dashData.length, + height: 1 + }, 0, state.id) - w *= baseMinusT; + state.dashLength = dashLength - } + return dashData + } + }, - out = output.length + 1; - bias = adapt(i - oldi, out, oldi == 0); + //dependent properties & complement actions + { + close: function (close, state, options) { + if (close != null) { return close } + if (state.positions.length >= 4 && + state.positions[0] === state.positions[state.positions.length - 2] && + state.positions[1] === state.positions[state.positions.length - 1]) { + return true + } + return false + }, - // `i` was supposed to wrap around from `out` to `0`, - // incrementing `n` each time, so we'll fix that now: - if (floor(i / out) > maxInt - n) { - error('overflow'); - } + positions: function (p, state, options) { + if (state.fill && p.length) { + var pos = [] + + //filter bad vertices and remap triangles to ensure shape + var ids = {} + var lastId = 0 + + for (var i = 0, ptr = 0, l = state.count; i < l; i++) { + var x = state.positions[i*2] + var y = state.positions[i*2 + 1] + if (Number.isNaN(x) || Number.isNaN(y)) { + x = state.positions[lastId*2] + y = state.positions[lastId*2 + 1] + ids[i] = lastId + } + else { + lastId = i + } + pos[ptr++] = x + pos[ptr++] = y + } - n += floor(i / out); - i %= out; + var triangles = triangulate(pos, state.hole) - // Insert `n` at position `i` of the output - output.splice(i++, 0, n); + for (var i$1 = 0, l$1 = triangles.length; i$1 < l$1; i$1++) { + if (ids[triangles[i$1]] != null) { triangles[i$1] = ids[triangles[i$1]] } + } - } + state.triangles = triangles + } + return state.positions + }, - return ucs2encode(output); - } + color: function (colors, state, options) { + var count = state.count - /** - * Converts a string of Unicode symbols (e.g. a domain name label) to a - * Punycode string of ASCII-only symbols. - * @memberOf punycode - * @param {String} input The string of Unicode symbols. - * @returns {String} The resulting Punycode string of ASCII-only symbols. - */ - function encode(input) { - var n, - delta, - handledCPCount, - basicLength, - bias, - j, - m, - q, - k, - t, - currentValue, - output = [], - /** `inputLength` will hold the number of code points in `input`. */ - inputLength, - /** Cached calculation results */ - handledCPCountPlusOne, - baseMinusT, - qMinusT; + if (!colors) { colors = 'transparent' } - // Convert the input in UCS-2 to Unicode - input = ucs2decode(input); + // 'black' or [0,0,0,0] case + if (!Array.isArray(colors) || typeof colors[0] === 'number') { + var color = colors; + colors = Array(count); + for (var i = 0; i < count; i++) { + colors[i] = color + } + } - // Cache the length - inputLength = input.length; + if (colors.length < count) { throw Error('Not enough colors') } - // Initialize the state - n = initialN; - delta = 0; - bias = initialBias; + var colorData = new Uint8Array(count * 4 + 4) - // Handle the basic code points - for (j = 0; j < inputLength; ++j) { - currentValue = input[j]; - if (currentValue < 0x80) { - output.push(stringFromCharCode(currentValue)); - } - } + //convert colors to float arrays + for (var i$1 = 0; i$1 < count; i$1++) { + var c = rgba(colors[i$1], 'uint8') + colorData.set(c, i$1 * 4) + } - handledCPCount = basicLength = output.length; + return colorData + }, - // `handledCPCount` is the number of code points that have been handled; - // `basicLength` is the number of basic code points. + range: function (range, state, options) { + if (!state.count) { return null } - // Finish the basic string - if it is not empty - with a delimiter - if (basicLength) { - output.push(delimiter); - } + var bounds = state.bounds + if (!range) { range = bounds } - // Main encoding loop: - while (handledCPCount < inputLength) { + var nrange = normalize(range.slice(), 2, bounds) - // All non-basic code points < n have been handled already. Find the next - // larger one: - for (m = maxInt, j = 0; j < inputLength; ++j) { - currentValue = input[j]; - if (currentValue >= n && currentValue < m) { - m = currentValue; - } - } + state.scale = [1 / (nrange[2] - nrange[0]), 1 / (nrange[3] - nrange[1])] + state.translate = [-nrange[0], -nrange[1]] - // Increase `delta` enough to advance the decoder's state to , - // but guard against overflow - handledCPCountPlusOne = handledCPCount + 1; - if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { - error('overflow'); - } + state.scaleFract = fract32(state.scale) + state.translateFract = fract32(state.translate) - delta += (m - n) * handledCPCountPlusOne; - n = m; + return range + }, - for (j = 0; j < inputLength; ++j) { - currentValue = input[j]; + viewport: function (vp) { + var viewport - if (currentValue < n && ++delta > maxInt) { - error('overflow'); - } + if (Array.isArray(vp)) { + viewport = { + x: vp[0], + y: vp[1], + width: vp[2] - vp[0], + height: vp[3] - vp[1] + } + } + else if (vp) { + viewport = { + x: vp.x || vp.left || 0, + y: vp.y || vp.top || 0 + } - if (currentValue == n) { - // Represent delta as a generalized variable-length integer - for (q = delta, k = base; /* no condition */; k += base) { - t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); - if (q < t) { - break; + if (vp.right) { viewport.width = vp.right - viewport.x } + else { viewport.width = vp.w || vp.width || 0 } + + if (vp.bottom) { viewport.height = vp.bottom - viewport.y } + else { viewport.height = vp.h || vp.height || 0 } + } + else { + viewport = { + x: 0, y: 0, + width: gl.drawingBufferWidth, + height: gl.drawingBufferHeight } - qMinusT = q - t; - baseMinusT = base - t; - output.push( - stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) - ); - q = floor(qMinusT / baseMinusT); } - output.push(stringFromCharCode(digitToBasic(q, 0))); - bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); - delta = 0; - ++handledCPCount; + return viewport } - } + }]) - ++delta; - ++n; + return state + }) + + //put collected data into buffers + //FIXME: possible optimization is updating only segment subdata + if (pointCount) { + var len = pointCount * 2 + lines.length * 6; + var positionData = new Float64Array(len) + var offset = 0 + var colorData = new Uint8Array(len * 2) + lines.forEach(function (state, i) { + if (!state) { return } + + var positions = state.positions; + var count = state.count; + var color = state.color; + state.offset = offset + + if (!count) { return } + + //provide normalized positions + var npos = new Float64Array(positions.length) + npos.set(positions) + normalize(npos, 2, state.bounds) + + //rotate first segment join + if (state.close) { + if (positions[0] === positions[count*2 - 2] && + positions[1] === positions[count*2 - 1]) { + positionData[offset*2 + 0] = npos[count*2 - 4] + positionData[offset*2 + 1] = npos[count*2 - 3] + } + else { + positionData[offset*2 + 0] = npos[count*2 - 2] + positionData[offset*2 + 1] = npos[count*2 - 1] + } + } + else { + positionData[offset*2 + 0] = npos[0] + positionData[offset*2 + 1] = npos[1] + } + colorData[offset*4 + 0] = color[0] + colorData[offset*4 + 1] = color[1] + colorData[offset*4 + 2] = color[2] + colorData[offset*4 + 3] = color[3] + + positionData.set(npos, offset * 2 + 2) + colorData.set(color, offset * 4 + 4) + + //add last segment + if (state.close) { + //ignore coinciding start/end + if (positions[0] === positions[count*2 - 2] && + positions[1] === positions[count*2 - 1]) { + positionData[offset*2 + count*2 + 2] = npos[2] + positionData[offset*2 + count*2 + 3] = npos[3] + offset += count + 2 + state.count -= 1 + } + else { + positionData[offset*2 + count*2 + 2] = npos[0] + positionData[offset*2 + count*2 + 3] = npos[1] + positionData[offset*2 + count*2 + 4] = npos[2] + positionData[offset*2 + count*2 + 5] = npos[3] + offset += count + 3 + } + } + //add stub + else { + positionData[offset*2 + count*2 + 2] = npos[count*2 - 2] + positionData[offset*2 + count*2 + 3] = npos[count*2 - 1] + positionData[offset*2 + count*2 + 4] = npos[count*2 - 2] + positionData[offset*2 + count*2 + 5] = npos[count*2 - 1] + offset += count + 3 + } + }) + + colorBuffer(colorData) + positionBuffer(float32(positionData)) + positionFractBuffer(fract32(positionData)) } - return output.join(''); + + return line2d } - /** - * Converts a Punycode string representing a domain name or an email address - * to Unicode. Only the Punycoded parts of the input will be converted, i.e. - * it doesn't matter if you call it on a string that has already been - * converted to Unicode. - * @memberOf punycode - * @param {String} input The Punycoded domain name or email address to - * convert to Unicode. - * @returns {String} The Unicode representation of the given Punycode - * string. - */ - function toUnicode(input) { - return mapDomain(input, function(string) { - return regexPunycode.test(string) - ? decode(string.slice(4).toLowerCase()) - : string; - }); + function destroy () { + lines.length = 0 + colorBuffer.destroy() + offsetBuffer.destroy() + positionBuffer.destroy() + dashTexture.destroy() + } + + return line2d +} + + +//return fractional part of float32 array +function fract32 (arr) { + var fract = new Float32Array(arr.length) + fract.set(arr) + for (var i = 0, l = fract.length; i < l; i++) { + fract[i] = arr[i] - fract[i] + } + return fract +} +function float32 (arr) { + if (arr instanceof Float32Array) { return arr } + + var float = new Float32Array(arr) + float.set(arr) + return float +} +},{"array-bounds":48,"array-normalize":49,"color-normalize":99,"earcut":135,"flatten-vertex-data":143,"glslify":502,"object-assign":462,"pick-by-alias":473,"update-diff":558}],502:[function(require,module,exports){ +arguments[4][169][0].apply(exports,arguments) +},{"dup":169}],503:[function(require,module,exports){ +'use strict' + +var rgba = require('color-normalize') +var getBounds = require('array-bounds') +var colorId = require('color-id') +var snapPoints = require('snap-points-2d') +var extend = require('object-assign') +var glslify = require('glslify') +var search = require('binary-search-bounds') +var pick = require('pick-by-alias') +var updateDiff = require('update-diff') +var flatten = require('flatten-vertex-data') +var ie = require('is-iexplorer') +var ref = require('to-float32'); +var float32 = ref.float32; +var fract32 = ref.fract32; + +module.exports = Scatter + + +function Scatter (regl, options) { + if (typeof regl === 'function') { + if (!options) { options = {} } + options.regl = regl + } + else { + options = regl + regl = null } - /** - * Converts a Unicode string representing a domain name or an email address to - * Punycode. Only the non-ASCII parts of the domain name will be converted, - * i.e. it doesn't matter if you call it with a domain that's already in - * ASCII. - * @memberOf punycode - * @param {String} input The domain name or email address to convert, as a - * Unicode string. - * @returns {String} The Punycode representation of the given domain name or - * email address. - */ - function toASCII(input) { - return mapDomain(input, function(string) { - return regexNonASCII.test(string) - ? 'xn--' + encode(string) - : string; - }); + if (options && options.length) { options.positions = options } + regl = options.regl + + // persistent variables + var gl = regl._gl, + drawMarker, drawCircle, + sizeBuffer, positionBuffer, positionFractBuffer, colorBuffer, + paletteTexture, palette = [], paletteIds = {}, + defaults = { + color: 'black', + borderColor: 'transparent', + borderSize: 1, + size: 12, + opacity: 1, + marker: undefined, + viewport: null, + range: null, + pixelSize: null, + offset: 0, + count: 0, + bounds: null, + positions: [], + snap: 1e4 + }, + + //state + groups = [], + + //textures for marker keys + markerTextures = [null], + markerCache = [null] + + var maxColors = 4096, maxSize = 100 + + //texture with color palette + paletteTexture = regl.texture({ + data: new Uint8Array(maxColors * 4), + width: maxColors, + height: 1, + type: 'uint8', + format: 'rgba', + wrapS: 'clamp', + wrapT: 'clamp', + mag: 'nearest', + min: 'nearest' + }) + + //buffers to reuse + sizeBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + colorBuffer = regl.buffer({ + usage: 'dynamic', + type: 'uint16', + data: null + }) + positionBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + positionFractBuffer = regl.buffer({ + usage: 'dynamic', + type: 'float', + data: null + }) + + //fast-create from existing regl-scatter instance + if (options.clone) { + groups = options.clone.groups.map(function (group) { + group = extend({}, group) + if (group.markerIds) { + group.markerIds = group.markerIds.map(function (ids) { + // recreate regl elements here + var newIds = ids.slice() + newIds.lod = ids.lod + newIds.snap = ids.snap + newIds.data = ids.data + newIds.id = ids.id + newIds.x = ids.x + newIds.w = ids.w + newIds.elements = regl.elements({ + primitive: 'points', + type: 'uint32', + data: ids.data + }) + return newIds + }) + } + return group + }) + + //create marker textures + options.clone.markers.forEach(function (markers) { + addMarker(markers) + }) + + updateBuffers({point: true, color: true, size: true}) + } + //full create from options + else { + update(options) } - /*--------------------------------------------------------------------------*/ - /** Define the public API */ - punycode = { - /** - * A string representing the current Punycode.js version number. - * @memberOf punycode - * @type String - */ - 'version': '1.4.1', - /** - * An object of methods to convert from JavaScript's internal character - * representation (UCS-2) to Unicode code points, and back. - * @see - * @memberOf punycode - * @type Object - */ - 'ucs2': { - 'decode': ucs2decode, - 'encode': ucs2encode + //common shader options + var shaderOptions = { + uniforms: { + pixelRatio: regl.context('pixelRatio'), + palette: paletteTexture, + scale: regl.prop('scale'), + scaleFract: regl.prop('scaleFract'), + translate: regl.prop('translate'), + translateFract: regl.prop('translateFract'), + opacity: regl.prop('opacity'), + marker: regl.prop('marker') }, - 'decode': decode, - 'encode': encode, - 'toASCII': toASCII, - 'toUnicode': toUnicode - }; - /** Expose `punycode` */ - // Some AMD build optimizers, like r.js, check for specific condition patterns - // like the following: - if ( - typeof define == 'function' && - typeof define.amd == 'object' && - define.amd - ) { - define('punycode', function() { - return punycode; - }); - } else if (freeExports && freeModule) { - if (module.exports == freeExports) { - // in Node.js, io.js, or RingoJS v0.8.0+ - freeModule.exports = punycode; - } else { - // in Narwhal or RingoJS v0.7.0- - for (key in punycode) { - punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]); + attributes: { + position: positionBuffer, + positionFract: positionFractBuffer, + size: function (ctx, prop) { return prop.size.length ? { + buffer: sizeBuffer, + stride: 2, + offset: 0 + } : {constant: [Math.round(prop.size * 255 / maxSize)]}; }, + borderSize: function (ctx, prop) { return prop.borderSize.length ? { + buffer: sizeBuffer, + stride: 2, + offset: 1 + } : {constant: [Math.round(prop.borderSize * 255 / maxSize)]}; }, + colorId: function (ctx, prop) { return prop.color.length ? { + buffer: colorBuffer, + stride: 4, + offset: 0 + } : {constant: [prop.color]}; }, + borderColorId: function (ctx, prop) { return prop.borderColor.length ? { + buffer: colorBuffer, + stride: 4, + offset: 2 + } : {constant: [prop.borderColor]}; } + }, + + + blend: { + enable: true, + color: [0,0,0,1], + func: { + srcRGB: 'src alpha', + dstRGB: 'one minus src alpha', + srcAlpha: 'one minus dst alpha', + dstAlpha: 'one' } - } - } else { - // in Rhino or a web browser - root.punycode = punycode; + }, + + scissor: { + enable: true, + box: regl.prop('viewport') + }, + viewport: regl.prop('viewport'), + + stencil: {enable: false}, + depth: {enable: false}, + + + elements: regl.prop('elements'), + count: regl.prop('count'), + offset: regl.prop('offset'), + + primitive: 'points' } -}(this)); + // IE11 shader workaround + if (ie) { + drawCircle = regl(extend({}, shaderOptions, { + frag: glslify(["precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color, borderColor;\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float radius = length(2.0*gl_PointCoord.xy-1.0);\n if(radius > 1.0) {\n discard;\n }\n\n float centerFraction = fragBorderSize == 0. ? 2. : fragSize / (fragSize + fragBorderSize + 1.25);\n\n vec4 baseColor = mix(borderColor, color, smoothStep(radius, centerFraction));\n float alpha = 1.0 - pow(1.0 - baseColor.a, 1.);\n gl_FragColor = vec4(baseColor.rgb * alpha, alpha);\n}\n"]), + vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nvoid main() {\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n fragBorderSize = borderSize;\n fragSize = size;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragWidth = 1. / gl_PointSize;\n}\n"]), + uniforms: { + // FIXME: generate attribute color data + color: function (ctx, p) { + var id = p.color.length ? p.color[0] : p.color; + return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) + }, + borderColor: function (ctx, p) { + var id = p.borderColor.length ? p.borderColor[0] : p.borderColor; + return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) + }, + pixelRatio: regl.context('pixelRatio'), + palette: paletteTexture, + scale: regl.prop('scale'), + scaleFract: regl.prop('scaleFract'), + translate: regl.prop('translate'), + translateFract: regl.prop('translateFract'), + opacity: regl.prop('opacity'), + marker: regl.prop('marker') + }, + attributes: { + position: positionBuffer, + positionFract: positionFractBuffer, + size: shaderOptions.attributes.size, + borderSize: shaderOptions.attributes.borderSize + } + })) + } + else { + //draw sdf-marker + var markerOptions = extend({}, shaderOptions) + markerOptions.frag = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragWidth, fragBorderColorLevel, fragColorLevel;\n\nuniform sampler2D marker;\nuniform float pixelRatio, opacity;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float dist = texture2D(marker, gl_PointCoord).r, delta = fragWidth;\n\n //max-distance alpha\n if (dist < 0.003) discard;\n\n //null-border case\n if (fragBorderColorLevel == fragColorLevel || fragBorderColor.a == 0.) {\n float colorAmt = smoothstep(.5 - delta, .5 + delta, dist);\n gl_FragColor = vec4(fragColor.rgb, colorAmt * fragColor.a);\n return;\n }\n\n float borderColorAmt = smoothstep(fragBorderColorLevel - delta, fragBorderColorLevel + delta, dist);\n float colorAmt = smoothstep(fragColorLevel - delta, fragColorLevel + delta, dist);\n\n vec4 color = fragBorderColor;\n color.a *= borderColorAmt;\n color = mix(color, fragColor, colorAmt);\n color.a *= opacity;\n\n gl_FragColor = color;\n}\n"]) + markerOptions.vert = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\nconst float borderLevel = .5;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragPointSize, fragBorderRadius,\n\t\tfragWidth, fragBorderColorLevel, fragColorLevel;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = 2. * size * pixelRatio;\n fragPointSize = size * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n\n fragBorderColorLevel = clamp(borderLevel - borderLevel * borderSize / size, 0., 1.);\n fragColorLevel = clamp(borderLevel + (1. - borderLevel) * borderSize / size, 0., 1.);\n}\n"]) -}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) -},{}],490:[function(require,module,exports){ -module.exports = require('gl-quat/slerp') -},{"gl-quat/slerp":236}],491:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. + drawMarker = regl(markerOptions) -'use strict'; + //draw circle + var circleOptions = extend({}, shaderOptions) + circleOptions.frag = glslify(["precision highp float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\n\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n\tfloat radius, alpha = 1.0, delta = fragWidth;\n\n\tradius = length(2.0 * gl_PointCoord.xy - 1.0);\n\n\tif(radius > 1.0 + delta) {\n\t\tdiscard;\n\t\treturn;\n\t}\n\n\talpha -= smoothstep(1.0 - delta, 1.0 + delta, radius);\n\n\tfloat borderRadius = fragBorderRadius;\n\tfloat ratio = smoothstep(borderRadius - delta, borderRadius + delta, radius);\n\tvec4 color = mix(fragColor, fragBorderColor, ratio);\n\tcolor.a *= alpha * opacity;\n\tgl_FragColor = color;\n}\n"]) + circleOptions.vert = glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n}\n"]) -// If obj.hasOwnProperty has been overridden, then calling -// obj.hasOwnProperty(prop) will break. -// See: https://github.com/joyent/node/issues/1707 -function hasOwnProperty(obj, prop) { - return Object.prototype.hasOwnProperty.call(obj, prop); -} + drawCircle = regl(circleOptions) + } -module.exports = function(qs, sep, eq, options) { - sep = sep || '&'; - eq = eq || '='; - var obj = {}; + //expose API + extend(scatter2d, { + update: update, + draw: draw, + destroy: destroy, + regl: regl, + gl: gl, + canvas: gl.canvas, + groups: groups, + markers: markerCache + }) - if (typeof qs !== 'string' || qs.length === 0) { - return obj; - } - var regexp = /\+/g; - qs = qs.split(sep); + function scatter2d (opts) { + //update + if (opts) { + update(opts) + } - var maxKeys = 1000; - if (options && typeof options.maxKeys === 'number') { - maxKeys = options.maxKeys; - } + //destroy + else if (opts === null) { + destroy() + } - var len = qs.length; - // maxKeys <= 0 means that we should not limit keys count - if (maxKeys > 0 && len > maxKeys) { - len = maxKeys; - } + draw() + } - for (var i = 0; i < len; ++i) { - var x = qs[i].replace(regexp, '%20'), - idx = x.indexOf(eq), - kstr, vstr, k, v; + // draw all groups or only indicated ones + function draw (opts) { + if (typeof opts === 'number') { return drawGroup(opts) } + + // highlight elements + if (Array.isArray(opts)) { + opts.forEach(function (els, i) { + if (els == null) { return } + if (els.length) { return drawGroup(els, i) } + return drawGroup(els) + }) + return + } - if (idx >= 0) { - kstr = x.substr(0, idx); - vstr = x.substr(idx + 1); - } else { - kstr = x; - vstr = ''; - } + // make options a batch + groups.forEach(function (group, i) { + if (!group) { return } - k = decodeURIComponent(kstr); - v = decodeURIComponent(vstr); + drawGroup(i) + }) + } - if (!hasOwnProperty(obj, k)) { - obj[k] = v; - } else if (isArray(obj[k])) { - obj[k].push(v); - } else { - obj[k] = [obj[k], v]; - } - } + // draw specific scatter group + function drawGroup (group, id) { + if (typeof group === 'number') { group = groups[group] } - return obj; -}; + var els + if (Array.isArray(group)) { + els = group + group = groups[id] + } -var isArray = Array.isArray || function (xs) { - return Object.prototype.toString.call(xs) === '[object Array]'; -}; + if (!(group && group.count && group.opacity)) { return } -},{}],492:[function(require,module,exports){ -// Copyright Joyent, Inc. and other Node contributors. -// -// Permission is hereby granted, free of charge, to any person obtaining a -// copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to permit -// persons to whom the Software is furnished to do so, subject to the -// following conditions: -// -// The above copyright notice and this permission notice shall be included -// in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN -// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, -// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR -// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE -// USE OR OTHER DEALINGS IN THE SOFTWARE. + //if subset of elements to redraw passed - form a whitelist + var whitelist + if (els) { + whitelist = Array(group.count); -'use strict'; + for (var i = 0; i < els.length; i++) { + whitelist[els[i]] = true + } + } -var stringifyPrimitive = function(v) { - switch (typeof v) { - case 'string': - return v; + //draw circles + //FIXME remove regl._refresh hooks once regl issue #427 is fixed + if (group.markerIds[0]) { + regl._refresh() - case 'boolean': - return v ? 'true' : 'false'; + var opts = getMarkerDrawOptions(group.markerIds[0], group, whitelist) + drawCircle(opts) + } - case 'number': - return isFinite(v) ? v : ''; + //draw all other available markers + var batch = [] + for (var i$1 = 1; i$1 < group.markerIds.length; i$1++) { + var ids = group.markerIds[i$1] - default: - return ''; - } -}; + if (!ids || !ids.length) { continue } -module.exports = function(obj, sep, eq, name) { - sep = sep || '&'; - eq = eq || '='; - if (obj === null) { - obj = undefined; - } + [].push.apply(batch, getMarkerDrawOptions(ids, group, whitelist)) + } - if (typeof obj === 'object') { - return map(objectKeys(obj), function(k) { - var ks = encodeURIComponent(stringifyPrimitive(k)) + eq; - if (isArray(obj[k])) { - return map(obj[k], function(v) { - return ks + encodeURIComponent(stringifyPrimitive(v)); - }).join(sep); - } else { - return ks + encodeURIComponent(stringifyPrimitive(obj[k])); - } - }).join(sep); + if (batch.length) { + regl._refresh() + drawMarker(batch) + } + } - } + // get options for the marker ids + function getMarkerDrawOptions(ids, group, whitelist) { + var range = group.range; + var offset = group.offset; + //unsnapped options + if (!ids.snap) { + var elements = whitelist ? filter(ids.data, whitelist) : ids.elements; + + return [extend({}, group, { + elements: elements, + offset: 0, + count: whitelist ? elements.length : ids.length, + marker: markerTextures[ids.id] + })] + } - if (!name) return ''; - return encodeURIComponent(stringifyPrimitive(name)) + eq + - encodeURIComponent(stringifyPrimitive(obj)); -}; + //scales batch + var batch = [] + var lod = ids.lod; + var x = ids.x; + var id = ids.id; -var isArray = Array.isArray || function (xs) { - return Object.prototype.toString.call(xs) === '[object Array]'; -}; + var pixelSize = (range[2] - range[0]) / group.viewport.width -function map (xs, f) { - if (xs.map) return xs.map(f); - var res = []; - for (var i = 0; i < xs.length; i++) { - res.push(f(xs[i], i)); - } - return res; -} + for (var scaleNum = lod.length; scaleNum--;) { + var level = lod[scaleNum] -var objectKeys = Object.keys || function (obj) { - var res = []; - for (var key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key)) res.push(key); - } - return res; -}; + //FIXME: use minSize-adaptive coeff here, if makes sense, mb we need dist tho + if (level.pixelSize && level.pixelSize < pixelSize && scaleNum > 1) { + continue + } -},{}],493:[function(require,module,exports){ -'use strict'; + var intervalStart = level.offset + var intervalEnd = level.count + intervalStart -exports.decode = exports.parse = require('./decode'); -exports.encode = exports.stringify = require('./encode'); + var startOffset = search.ge(x, range[0], intervalStart, intervalEnd - 1) + var endOffset = search.lt(x, range[2], startOffset, intervalEnd - 1) + 1 -},{"./decode":491,"./encode":492}],494:[function(require,module,exports){ -'use strict'; + if (endOffset <= startOffset) { continue } -module.exports = partialSort; + // whitelisted level requires subelements from the range + if (whitelist) { + var elements$1 = filter(ids.data.subarray(startOffset, endOffset), whitelist) -// Floyd-Rivest selection algorithm: -// Rearrange items so that all items in the [left, k] range are smaller than all items in (k, right]; -// The k-th element will have the (k - left + 1)th smallest value in [left, right] + batch.push(extend({}, group, { + elements: elements$1, + marker: markerTextures[id], + offset: 0, + count: elements$1.length + })) + } + else { + batch.push(extend({}, group, { + elements: ids.elements, + marker: markerTextures[id], + offset: startOffset, + count: endOffset - startOffset + })) + } + } -function partialSort(arr, k, left, right, compare) { - left = left || 0; - right = right || (arr.length - 1); - compare = compare || defaultCompare; + function filter(offsets, whitelist) { + var subEls = [] + for (var i = 0, l = offsets.length; i < l; i++) { + var el = offsets[i] + var id = el - offset + if (whitelist[id]) { + subEls.push(el) + } + } + return subEls + } - while (right > left) { - if (right - left > 600) { - var n = right - left + 1; - var m = k - left + 1; - var z = Math.log(n); - var s = 0.5 * Math.exp(2 * z / 3); - var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1); - var newLeft = Math.max(left, Math.floor(k - m * s / n + sd)); - var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd)); - partialSort(arr, k, newLeft, newRight, compare); - } + return batch + } - var t = arr[k]; - var i = left; - var j = right; + // update groups options + function update (options) { + if (!options) { return } - swap(arr, left, k); - if (compare(arr[right], t) > 0) swap(arr, left, right); + //direct points argument + if (options.length != null) { + if (typeof options[0] === 'number') { options = [{positions: options}] } + } + //make options a batch + else if (!Array.isArray(options)) { options = [options] } + + //global count of points + var pointCount = 0, sizeCount = 0, colorCount = 0 + + groups = options.map(function (options, i) { + var group = groups[i] + + if (!options) { return group } + else if (typeof options === 'function') { options = {after: options} } + else if (typeof options[0] === 'number') { options = {positions: options} } + + //copy options to avoid mutation & handle aliases + options = pick(options, { + positions: 'positions data points', + snap: 'snap cluster', + size: 'sizes size radius', + borderSize: 'borderSizes borderSize stroke-width strokeWidth outline', + color: 'colors color fill fill-color fillColor', + borderColor: 'borderColors borderColor stroke stroke-color strokeColor', + palette: 'palette swatch', + marker: 'markers marker shape', + range: 'range dataBox', + viewport: 'viewport viewBox', + opacity: 'opacity alpha' + }) + if (!group) { + groups[i] = group = { + id: i, + scale: null, + translate: null, + scaleFract: null, + translateFract: null, + + //list of ids corresponding to markers, with inner props + markerIds: [] + } + options = extend({}, defaults, options) + } - while (i < j) { - swap(arr, i, j); - i++; - j--; - while (compare(arr[i], t) < 0) i++; - while (compare(arr[j], t) > 0) j--; - } + //force update triggers + if (options.positions && !('marker' in options)) { + options.marker = group.marker + delete group.marker + } - if (compare(arr[left], t) === 0) swap(arr, left, j); - else { - j++; - swap(arr, j, right); - } + updateDiff(group, options, [{ + snap: true, + size: function (s) { + sizeCount += s.length ? 1 : 0 + return s + }, + borderSize: function (s) { + sizeCount += s.length ? 1 : 0 + return s + }, + opacity: parseFloat, - if (j <= k) left = j + 1; - if (k <= j) right = j - 1; - } -} + //add colors to palette, save references + color: function (c) { + c = updateColor(c) + colorCount++ + return c + }, + borderColor: function (c) { + c = updateColor(c) + colorCount++ + return c + }, -function swap(arr, i, j) { - var tmp = arr[i]; - arr[i] = arr[j]; - arr[j] = tmp; -} + positions: function (positions, group, options) { + positions = flatten(positions, 'float64') -function defaultCompare(a, b) { - return a < b ? -1 : a > b ? 1 : 0; -} + var count = group.count = Math.floor(positions.length / 2) + var bounds = group.bounds = count ? getBounds(positions, 2) : null -},{}],495:[function(require,module,exports){ -'use strict' + // if range is not provided updated - recalc it + if (!options.range && !group.range) { + delete group.range + options.range = bounds + } -var bnadd = require('big-rat/add') + group.offset = pointCount + pointCount += count -module.exports = add + // reset marker + if (!options.marker && !group.marker) { + delete group.marker; + options.marker = null; + } -function add (a, b) { - var n = a.length - var r = new Array(n) - for (var i=0; i snap)) { + ids.snap = true + var x = ids.x = Array(l) + var w = ids.w = Array(l) + var markerPoints = (void 0) + + //multimarker snapping is computationally more intense + if (markerIds.length > 1) { + markerPoints = Array(l * 2) + + for (var i$1 = 0; i$1 < l; i$1++) { + var id = ids[i$1] + markerPoints[i$1 * 2] = positions[id * 2] + markerPoints[i$1 * 2 + 1] = positions[id * 2 + 1] + } + } + else { + markerPoints = new Float64Array(positions.length) + markerPoints.set(positions) + } + + //shuffled_id: real_id + var i2id = new Uint32Array(l) + + ids.lod = snapPoints(markerPoints, i2id, w, bounds) + + els = new Uint32Array(l) + for (var i$2 = 0; i$2 < l; i$2++) { + var id$1 = i2id[i$2], iid = ids[id$1] + els[i$2] = iid + offset + x[i$2] = positions[iid * 2] + } + } + else { + els = new Uint32Array(l) + for (var i$3 = 0; i$3 < l; i$3++) { + els[i$3] = ids[i$3] + offset + } + } -function float2rat(v) { - var result = new Array(v.length) - for(var i=0; i 0) { - var f = cells[ptr-1] - if(compareCell(c, f) === 0 && - orientation(f) !== o) { - ptr -= 1 - continue - } - } - cells[ptr++] = c - } - cells.length = ptr - return cells -} + updateBuffers({ + point: pointCount, + size: sizeCount, + color: colorCount + }) + } -},{"cell-orientation":90,"compare-cell":107,"compare-oriented-cell":108}],500:[function(require,module,exports){ -'use strict' - -var getBounds = require('array-bounds') -var rgba = require('color-normalize') -var updateDiff = require('update-diff') -var pick = require('pick-by-alias') -var extend = require('object-assign') -var flatten = require('flatten-vertex-data') -var ref = require('to-float32'); -var float32 = ref.float32; -var fract32 = ref.fract32; - -module.exports = Error2D - -var WEIGHTS = [ - //direction, lineWidth shift, capSize shift - - // x-error bar - [1, 0, 0, 1, 0, 0], - [1, 0, 0, -1, 0, 0], - [-1, 0, 0, -1, 0, 0], - - [-1, 0, 0, -1, 0, 0], - [-1, 0, 0, 1, 0, 0], - [1, 0, 0, 1, 0, 0], - - // x-error right cap - [1, 0, -1, 0, 0, 1], - [1, 0, -1, 0, 0, -1], - [1, 0, 1, 0, 0, -1], - - [1, 0, 1, 0, 0, -1], - [1, 0, 1, 0, 0, 1], - [1, 0, -1, 0, 0, 1], - - // x-error left cap - [-1, 0, -1, 0, 0, 1], - [-1, 0, -1, 0, 0, -1], - [-1, 0, 1, 0, 0, -1], - - [-1, 0, 1, 0, 0, -1], - [-1, 0, 1, 0, 0, 1], - [-1, 0, -1, 0, 0, 1], - - // y-error bar - [0, 1, 1, 0, 0, 0], - [0, 1, -1, 0, 0, 0], - [0, -1, -1, 0, 0, 0], - - [0, -1, -1, 0, 0, 0], - [0, 1, 1, 0, 0, 0], - [0, -1, 1, 0, 0, 0], - - // y-error top cap - [0, 1, 0, -1, 1, 0], - [0, 1, 0, -1, -1, 0], - [0, 1, 0, 1, -1, 0], - - [0, 1, 0, 1, 1, 0], - [0, 1, 0, -1, 1, 0], - [0, 1, 0, 1, -1, 0], - - // y-error bottom cap - [0, -1, 0, -1, 1, 0], - [0, -1, 0, -1, -1, 0], - [0, -1, 0, 1, -1, 0], - - [0, -1, 0, 1, 1, 0], - [0, -1, 0, -1, 1, 0], - [0, -1, 0, 1, -1, 0] -] - - -function Error2D (regl, options) { - if (typeof regl === 'function') { - if (!options) { options = {} } - options.regl = regl - } - else { - options = regl - } - if (options.length) { options.positions = options } - regl = options.regl - - if (!regl.hasExtension('ANGLE_instanced_arrays')) { - throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); - } - - // persistent variables - var gl = regl._gl, drawErrors, positionBuffer, positionFractBuffer, colorBuffer, errorBuffer, meshBuffer, - defaults = { - color: 'black', - capSize: 5, - lineWidth: 1, - opacity: 1, - viewport: null, - range: null, - offset: 0, - count: 0, - bounds: null, - positions: [], - errors: [] - }, groups = [] - - //color per-point - colorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'uint8', - data: null - }) - //xy-position per-point - positionBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - //xy-position float32-fraction - positionFractBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - //4 errors per-point - errorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - //error bar mesh - meshBuffer = regl.buffer({ - usage: 'static', - type: 'float', - data: WEIGHTS - }) - - update(options) - - //drawing method - drawErrors = regl({ - vert: "\n\t\tprecision highp float;\n\n\t\tattribute vec2 position, positionFract;\n\t\tattribute vec4 error;\n\t\tattribute vec4 color;\n\n\t\tattribute vec2 direction, lineOffset, capOffset;\n\n\t\tuniform vec4 viewport;\n\t\tuniform float lineWidth, capSize;\n\t\tuniform vec2 scale, scaleFract, translate, translateFract;\n\n\t\tvarying vec4 fragColor;\n\n\t\tvoid main() {\n\t\t\tfragColor = color / 255.;\n\n\t\t\tvec2 pixelOffset = lineWidth * lineOffset + (capSize + lineWidth) * capOffset;\n\n\t\t\tvec2 dxy = -step(.5, direction.xy) * error.xz + step(direction.xy, vec2(-.5)) * error.yw;\n\n\t\t\tvec2 position = position + dxy;\n\n\t\t\tvec2 pos = (position + translate) * scale\n\t\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t\t+ (position + translate) * scaleFract\n\t\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n\t\t\tpos += pixelOffset / viewport.zw;\n\n\t\t\tgl_Position = vec4(pos * 2. - 1., 0, 1);\n\t\t}\n\t\t", - - frag: "\n\t\tprecision mediump float;\n\n\t\tvarying vec4 fragColor;\n\n\t\tuniform float opacity;\n\n\t\tvoid main() {\n\t\t\tgl_FragColor = fragColor;\n\t\t\tgl_FragColor.a *= opacity;\n\t\t}\n\t\t", - - uniforms: { - range: regl.prop('range'), - lineWidth: regl.prop('lineWidth'), - capSize: regl.prop('capSize'), - opacity: regl.prop('opacity'), - scale: regl.prop('scale'), - translate: regl.prop('translate'), - scaleFract: regl.prop('scaleFract'), - translateFract: regl.prop('translateFract'), - viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } - }, - - attributes: { - //dynamic attributes - color: { - buffer: colorBuffer, - offset: function (ctx, prop) { return prop.offset * 4; }, - divisor: 1, - }, - position: { - buffer: positionBuffer, - offset: function (ctx, prop) { return prop.offset * 8; }, - divisor: 1 - }, - positionFract: { - buffer: positionFractBuffer, - offset: function (ctx, prop) { return prop.offset * 8; }, - divisor: 1 - }, - error: { - buffer: errorBuffer, - offset: function (ctx, prop) { return prop.offset * 16; }, - divisor: 1 - }, - - //static attributes - direction: { - buffer: meshBuffer, - stride: 24, - offset: 0 - }, - lineOffset: { - buffer: meshBuffer, - stride: 24, - offset: 8 - }, - capOffset: { - buffer: meshBuffer, - stride: 24, - offset: 16 - } - }, - - primitive: 'triangles', - - blend: { - enable: true, - color: [0,0,0,0], - equation: { - rgb: 'add', - alpha: 'add' - }, - func: { - srcRGB: 'src alpha', - dstRGB: 'one minus src alpha', - srcAlpha: 'one minus dst alpha', - dstAlpha: 'one' - } - }, - - depth: { - enable: false - }, - - scissor: { - enable: true, - box: regl.prop('viewport') - }, - viewport: regl.prop('viewport'), - stencil: false, - - instances: regl.prop('count'), - count: WEIGHTS.length - }) - - //expose API - extend(error2d, { - update: update, - draw: draw, - destroy: destroy, - regl: regl, - gl: gl, - canvas: gl.canvas, - groups: groups - }) - - return error2d - - function error2d (opts) { - //update - if (opts) { - update(opts) - } - - //destroy - else if (opts === null) { - destroy() - } - - draw() - } - - - //main draw method - function draw (options) { - if (typeof options === 'number') { return drawGroup(options) } - - //make options a batch - if (options && !Array.isArray(options)) { options = [options] } - - - regl._refresh() - - //render multiple polylines via regl batch - groups.forEach(function (s, i) { - if (!s) { return } - - if (options) { - if (!options[i]) { s.draw = false } - else { s.draw = true } - } - - //ignore draw flag for one pass - if (!s.draw) { - s.draw = true; - return - } - - drawGroup(i) - }) - } - - //draw single error group by id - function drawGroup (s) { - if (typeof s === 'number') { s = groups[s] } - if (s == null) { return } - - if (!(s && s.count && s.color && s.opacity && s.positions && s.positions.length > 1)) { return } - - s.scaleRatio = [ - s.scale[0] * s.viewport.width, - s.scale[1] * s.viewport.height - ] - - drawErrors(s) - - if (s.after) { s.after(s) } - } - - function update (options) { - if (!options) { return } - - //direct points argument - if (options.length != null) { - if (typeof options[0] === 'number') { options = [{positions: options}] } - } - - //make options a batch - else if (!Array.isArray(options)) { options = [options] } - - //global count of points - var pointCount = 0, errorCount = 0 - - groups = options.map(function (options, i) { - var group = groups[i] - - if (!options) { return group } - else if (typeof options === 'function') { options = {after: options} } - else if (typeof options[0] === 'number') { options = {positions: options} } - - //copy options to avoid mutation & handle aliases - options = pick(options, { - color: 'color colors fill', - capSize: 'capSize cap capsize cap-size', - lineWidth: 'lineWidth line-width width line thickness', - opacity: 'opacity alpha', - range: 'range dataBox', - viewport: 'viewport viewBox', - errors: 'errors error', - positions: 'positions position data points' - }) - - if (!group) { - groups[i] = group = { - id: i, - scale: null, - translate: null, - scaleFract: null, - translateFract: null, - draw: true - } - options = extend({}, defaults, options) - } - - updateDiff(group, options, [{ - lineWidth: function (v) { return +v * .5; }, - capSize: function (v) { return +v * .5; }, - opacity: parseFloat, - errors: function (errors) { - errors = flatten(errors) - - errorCount += errors.length - return errors - }, - positions: function (positions, state) { - positions = flatten(positions, 'float64') - state.count = Math.floor(positions.length / 2) - state.bounds = getBounds(positions, 2) - state.offset = pointCount - - pointCount += state.count - - return positions - } - }, { - color: function (colors, state) { - var count = state.count - - if (!colors) { colors = 'transparent' } - - // 'black' or [0,0,0,0] case - if (!Array.isArray(colors) || typeof colors[0] === 'number') { - var color = colors - colors = Array(count) - for (var i = 0; i < count; i++) { - colors[i] = color - } - } - - if (colors.length < count) { throw Error('Not enough colors') } - - var colorData = new Uint8Array(count * 4) - - //convert colors to float arrays - for (var i$1 = 0; i$1 < count; i$1++) { - var c = rgba(colors[i$1], 'uint8') - colorData.set(c, i$1 * 4) - } - - return colorData - }, - - range: function (range, state, options) { - var bounds = state.bounds - if (!range) { range = bounds } - - state.scale = [1 / (range[2] - range[0]), 1 / (range[3] - range[1])] - state.translate = [-range[0], -range[1]] - - state.scaleFract = fract32(state.scale) - state.translateFract = fract32(state.translate) - - return range - }, - - viewport: function (vp) { - var viewport - - if (Array.isArray(vp)) { - viewport = { - x: vp[0], - y: vp[1], - width: vp[2] - vp[0], - height: vp[3] - vp[1] - } - } - else if (vp) { - viewport = { - x: vp.x || vp.left || 0, - y: vp.y || vp.top || 0 - } - - if (vp.right) { viewport.width = vp.right - viewport.x } - else { viewport.width = vp.w || vp.width || 0 } - - if (vp.bottom) { viewport.height = vp.bottom - viewport.y } - else { viewport.height = vp.h || vp.height || 0 } - } - else { - viewport = { - x: 0, y: 0, - width: gl.drawingBufferWidth, - height: gl.drawingBufferHeight - } - } - - return viewport - } - }]) - - return group - }) - - if (pointCount || errorCount) { - var len = groups.reduce(function (acc, group, i) { - return acc + (group ? group.count : 0) - }, 0) - - var positionData = new Float64Array(len * 2) - var colorData = new Uint8Array(len * 4) - var errorData = new Float32Array(len * 4) - - groups.forEach(function (group, i) { - if (!group) { return } - var positions = group.positions; - var count = group.count; - var offset = group.offset; - var color = group.color; - var errors = group.errors; - if (!count) { return } - - colorData.set(color, offset * 4) - errorData.set(errors, offset * 4) - positionData.set(positions, offset * 2) - }) - - positionBuffer(float32(positionData)) - positionFractBuffer(fract32(positionData)) - colorBuffer(colorData) - errorBuffer(errorData) - } - - } - - function destroy () { - positionBuffer.destroy() - positionFractBuffer.destroy() - colorBuffer.destroy() - errorBuffer.destroy() - meshBuffer.destroy() - } -} -},{"array-bounds":48,"color-normalize":99,"flatten-vertex-data":143,"object-assign":462,"pick-by-alias":473,"to-float32":547,"update-diff":558}],501:[function(require,module,exports){ -'use strict' - -var rgba = require('color-normalize') -var getBounds = require('array-bounds') -var extend = require('object-assign') -var glslify = require('glslify') -var pick = require('pick-by-alias') -var updateDiff = require('update-diff') -var flatten = require('flatten-vertex-data') -var triangulate = require('earcut') -var normalize = require('array-normalize') - -module.exports = createLine - - -function createLine (regl, options) { - if (typeof regl === 'function') { - if (!options) { options = {} } - options.regl = regl - } - else { - options = regl - } - if (options.length) { options.positions = options } - regl = options.regl - - if (!regl.hasExtension('ANGLE_instanced_arrays')) { - throw Error('regl-error2d: `ANGLE_instanced_arrays` extension should be enabled'); - } - - // persistent variables - var gl = regl._gl, drawMiterLine, drawRectLine, drawFill, colorBuffer, offsetBuffer, positionBuffer, positionFractBuffer, dashTexture, - - // used to for new lines instances - defaults = { - positions: [], - dashes: null, - join: null, - miterLimit: 1, - thickness: 10, - cap: 'square', - color: 'black', - opacity: 1, - overlay: false, - viewport: null, - range: null, - close: null, - fill: null - }, - - // list of options for lines - lines = [] - - var dashMult = 2, maxPatternLength = 256, maxLinesNumber = 2048, precisionThreshold = 3e6, maxPoints = 1e4 - - - //color per-point - colorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'uint8', - data: null - }) - offsetBuffer = regl.buffer({ - usage: 'static', - type: 'float', - data: [0,1, 0,0, 1,1, 1,0] - }) - positionBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - positionFractBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - dashTexture = regl.texture({ - channels: 1, - data: new Uint8Array(maxPatternLength * maxLinesNumber), - width: maxPatternLength, - height: maxLinesNumber, - mag: 'linear', - min: 'linear' - }) - - //init defaults - update(options) - - var shaderOptions = { - primitive: 'triangle strip', - instances: regl.prop('count'), - count: 4, - offset: 0, - - uniforms: { - miterMode: function (ctx, prop) { return prop.join === 'round' ? 2 : 1; }, - miterLimit: regl.prop('miterLimit'), - scale: regl.prop('scale'), - scaleFract: regl.prop('scaleFract'), - translateFract: regl.prop('translateFract'), - translate: regl.prop('translate'), - thickness: regl.prop('thickness'), - dashPattern: dashTexture, - dashLength: regl.prop('dashLength'), - dashShape: [maxPatternLength, maxLinesNumber], - opacity: regl.prop('opacity'), - pixelRatio: regl.context('pixelRatio'), - id: regl.prop('id'), - scaleRatio: regl.prop('scaleRatio'), - viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } - }, - - blend: { - enable: true, - color: [0,0,0,0], - equation: { - rgb: 'add', - alpha: 'add' - }, - func: { - srcRGB: 'src alpha', - dstRGB: 'one minus src alpha', - srcAlpha: 'one minus dst alpha', - dstAlpha: 'one' - } - }, - depth: { - enable: function (ctx, prop) { - return !prop.overlay - } - }, - scissor: { - enable: true, - box: regl.prop('viewport') - }, - stencil: false, - viewport: regl.prop('viewport') - } - - //create regl draw - drawMiterLine = regl(extend({ - //culling removes polygon creasing - cull: { - enable: true, - face: 'back' - }, - - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, nextCoord, prevCoord;\nattribute vec4 aColor, bColor;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, translate, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\nuniform float miterLimit, dashLength, miterMode;\n\nvarying vec4 fragColor;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 tangent;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nconst float MAX_LINES = 256.;\nconst float REVERSE_THRESHOLD = -.875;\nconst float MIN_DIST = 1.;\n\n//TODO: possible optimizations: avoid overcalculating all for vertices and calc just one instead\n//TODO: precalculate dot products, normalize things beforehead etc.\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nbool isNaN( float val ){\n return ( val < 0.0 || 0.0 < val || val == 0.0 ) ? false : true;\n}\n\nvoid main() {\n\tvec2 aCoord = aCoord, bCoord = bCoord, prevCoord = prevCoord, nextCoord = nextCoord;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineBot = 1. - lineTop;\n\tfloat depth = (MAX_LINES - 1. - id) / MAX_LINES;\n\n\tfragColor = (lineStart * aColor + lineEnd * bColor) / 255.;\n\n\tif (isNaN(aCoord.x) || isNaN(aCoord.y) || isNaN(bCoord.x) || isNaN(bCoord.y)) return;\n\n\tif (aCoord == prevCoord) prevCoord = aCoord + normalize(bCoord - aCoord);\n\tif (bCoord == nextCoord) nextCoord = bCoord - normalize(bCoord - aCoord);\n\n\tvec2 prevDiff = aCoord - prevCoord;\n\tvec2 currDiff = bCoord - aCoord;\n\tvec2 nextDiff = nextCoord - bCoord;\n\n\tvec2 prevDirection = normalize(prevDiff);\n\tvec2 currDirection = normalize(currDiff);\n\tvec2 nextDirection = normalize(nextDiff);\n\n\tvec2 prevTangent = normalize(prevDiff * scaleRatio);\n\tvec2 currTangent = normalize(currDiff * scaleRatio);\n\tvec2 nextTangent = normalize(nextDiff * scaleRatio);\n\n\tvec2 prevNormal = vec2(-prevTangent.y, prevTangent.x);\n\tvec2 currNormal = vec2(-currTangent.y, currTangent.x);\n\tvec2 nextNormal = vec2(-nextTangent.y, nextTangent.x);\n\n\tvec2 startJoinDirection = normalize(prevTangent - currTangent);\n\tvec2 endJoinDirection = normalize(currTangent - nextTangent);\n\n\t//collapsed/unidirectional segment cases\n\tif (prevDirection == currDirection) {\n\t\tstartJoinDirection = currNormal;\n\t}\n\tif (nextDirection == currDirection) {\n\t\tendJoinDirection = currNormal;\n\t}\n\tif (aCoord == bCoord) {\n\t\tendJoinDirection = startJoinDirection;\n\t\tcurrNormal = prevNormal;\n\t\tcurrTangent = prevTangent;\n\t}\n\n\ttangent = currTangent;\n\n\t//calculate join shifts relative to normals\n\tfloat startJoinShift = dot(currNormal, startJoinDirection);\n\tfloat endJoinShift = dot(currNormal, endJoinDirection);\n\n\tfloat startMiterRatio = abs(1. / startJoinShift);\n\tfloat endMiterRatio = abs(1. / endJoinShift);\n\n\tvec2 startJoin = startJoinDirection * startMiterRatio;\n\tvec2 endJoin = endJoinDirection * endMiterRatio;\n\n\tvec2 startTopJoin, startBotJoin, endTopJoin, endBotJoin;\n\tstartTopJoin = sign(startJoinShift) * startJoin * .5;\n\tstartBotJoin = -startTopJoin;\n\n\tendTopJoin = sign(endJoinShift) * endJoin * .5;\n\tendBotJoin = -endTopJoin;\n\n\tvec2 aTopCoord = aCoord + normalWidth * startTopJoin;\n\tvec2 bTopCoord = bCoord + normalWidth * endTopJoin;\n\tvec2 aBotCoord = aCoord + normalWidth * startBotJoin;\n\tvec2 bBotCoord = bCoord + normalWidth * endBotJoin;\n\n\t//miter anti-clipping\n\tfloat baClipping = distToLine(bCoord, aCoord, aBotCoord) / dot(normalize(normalWidth * endBotJoin), normalize(normalWidth.yx * vec2(-startBotJoin.y, startBotJoin.x)));\n\tfloat abClipping = distToLine(aCoord, bCoord, bTopCoord) / dot(normalize(normalWidth * startBotJoin), normalize(normalWidth.yx * vec2(-endBotJoin.y, endBotJoin.x)));\n\n\t//prevent close to reverse direction switch\n\tbool prevReverse = dot(currTangent, prevTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, prevNormal)) * min(length(prevDiff), length(currDiff)) < length(normalWidth * currNormal);\n\tbool nextReverse = dot(currTangent, nextTangent) <= REVERSE_THRESHOLD && abs(dot(currTangent, nextNormal)) * min(length(nextDiff), length(currDiff)) < length(normalWidth * currNormal);\n\n\tif (prevReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * startJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / startMiterRatio, 1.);\n\t\taBotCoord = aCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\taTopCoord = aCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!nextReverse && baClipping > 0. && baClipping < length(normalWidth * endBotJoin)) {\n\t\t//handle miter clipping\n\t\tbTopCoord -= normalWidth * endTopJoin;\n\t\tbTopCoord += normalize(endTopJoin * normalWidth) * baClipping;\n\t}\n\n\tif (nextReverse) {\n\t\t//make join rectangular\n\t\tvec2 miterShift = normalWidth * endJoinDirection * miterLimit * .5;\n\t\tfloat normalAdjust = 1. - min(miterLimit / endMiterRatio, 1.);\n\t\tbBotCoord = bCoord + miterShift - normalAdjust * normalWidth * currNormal * .5;\n\t\tbTopCoord = bCoord + miterShift + normalAdjust * normalWidth * currNormal * .5;\n\t}\n\telse if (!prevReverse && abClipping > 0. && abClipping < length(normalWidth * startBotJoin)) {\n\t\t//handle miter clipping\n\t\taBotCoord -= normalWidth * startBotJoin;\n\t\taBotCoord += normalize(startBotJoin * normalWidth) * abClipping;\n\t}\n\n\tvec2 aTopPosition = (aTopCoord + translate) * scale;\n\tvec2 aBotPosition = (aBotCoord + translate) * scale;\n\n\tvec2 bTopPosition = (bTopCoord + translate) * scale;\n\tvec2 bBotPosition = (bBotCoord + translate) * scale;\n\n\t//position is normalized 0..1 coord on the screen\n\tvec2 position = (aTopPosition * lineTop + aBotPosition * lineBot) * lineStart + (bTopPosition * lineTop + bBotPosition * lineBot) * lineEnd;\n\n\tstartCoord = (aCoord + translate) * scaleRatio + viewport.xy;\n\tendCoord = (bCoord + translate) * scaleRatio + viewport.xy;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tenableStartMiter = step(dot(currTangent, prevTangent), .5);\n\tenableEndMiter = step(dot(currTangent, nextTangent), .5);\n\n\t//bevel miter cutoffs\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * miterLimit * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * miterLimit * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n\n\t//round miter cutoffs\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tvec2 startMiterWidth = vec2(startJoinDirection) * thickness * abs(dot(startJoinDirection, currNormal)) * .5;\n\t\t\tstartCutoff = vec4(aCoord, aCoord);\n\t\t\tstartCutoff.zw += vec2(-startJoinDirection.y, startJoinDirection.x) / scaleRatio;\n\t\t\tstartCutoff = (startCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tstartCutoff += viewport.xyxy;\n\t\t\tstartCutoff += startMiterWidth.xyxy;\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tvec2 endMiterWidth = vec2(endJoinDirection) * thickness * abs(dot(endJoinDirection, currNormal)) * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n}\n"]), - frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id, miterMode;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nvoid main() {\n\tfloat alpha = 1., distToStart, distToEnd;\n\tfloat cutoff = thickness * .5;\n\n\t//bevel miter\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToStart + 1., 0.), 1.);\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToEnd + 1., 0.), 1.);\n\t\t}\n\t}\n\n\t// round miter\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - startCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - endCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\t}\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), - - attributes: { - lineEnd: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 0 - }, - lineTop: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 4 - }, - aColor: { - buffer: colorBuffer, - stride: 4, - offset: function (ctx, prop) { return prop.offset * 4; }, - divisor: 1 - }, - bColor: { - buffer: colorBuffer, - stride: 4, - offset: function (ctx, prop) { return prop.offset * 4 + 4; }, - divisor: 1 - }, - prevCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return prop.offset * 8; }, - divisor: 1 - }, - aCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; }, - divisor: 1 - }, - bCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 16 + prop.offset * 8; }, - divisor: 1 - }, - nextCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 24 + prop.offset * 8; }, - divisor: 1 - } - } - }, shaderOptions)) - - //simplified rectangular line shader - drawRectLine = regl(extend({ - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, aCoordFract, bCoordFract;\nattribute vec4 color;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nconst float MAX_LINES = 256.;\n\nvec2 project(vec2 position, vec2 positionFract, vec2 scale, vec2 scaleFract, vec2 translate, vec2 translateFract) {\n return (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n}\n\nvoid main() {\n\t// vec2 scaleRatio = scale * viewport.zw;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineOffset = lineTop * 2. - 1.;\n\tfloat depth = (MAX_LINES - 1. - id) / (MAX_LINES);\n\n\tvec2 diff = (bCoord + bCoordFract - aCoord - aCoordFract);\n\ttangent = normalize(diff * scaleRatio);\n\tvec2 normal = vec2(-tangent.y, tangent.x);\n\n\tvec2 position = project(aCoord, aCoordFract, scale, scaleFract, translate, translateFract) * lineStart\n\t\t+ project(bCoord, bCoordFract, scale, scaleFract, translate, translateFract) * lineEnd\n\n\t\t+ thickness * normal * .5 * lineOffset / viewport.zw;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), - frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nvoid main() {\n\tfloat alpha = 1.;\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]), - - attributes: { - lineEnd: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 0 - }, - lineTop: { - buffer: offsetBuffer, - divisor: 0, - stride: 8, - offset: 4 - }, - aCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; }, - divisor: 1 - }, - bCoord: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 16 + prop.offset * 8; }, - divisor: 1 - }, - aCoordFract: { - buffer: positionFractBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; }, - divisor: 1 - }, - bCoordFract: { - buffer: positionFractBuffer, - stride: 8, - offset: function (ctx, prop) { return 16 + prop.offset * 8; }, - divisor: 1 - }, - color: { - buffer: colorBuffer, - stride: 4, - offset: function (ctx, prop) { return prop.offset * 4; }, - divisor: 1 - } - } - }, shaderOptions)) - - - //fill shader - drawFill = regl({ - primitive: 'triangle', - elements: function (ctx, prop) { return prop.triangles; }, - offset: 0, - - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\n\nuniform vec4 color;\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\n\nconst float MAX_LINES = 256.;\n\nvoid main() {\n\tfloat depth = (MAX_LINES - 4. - id) / (MAX_LINES);\n\n\tvec2 position = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]), - frag: glslify(["precision highp float;\n#define GLSLIFY 1\n\nuniform float opacity;\n\nvarying vec4 fragColor;\n\nvoid main() {\n\tgl_FragColor = fragColor;\n\tgl_FragColor.a *= opacity;\n}\n"]), - - uniforms: { - scale: regl.prop('scale'), - color: regl.prop('fill'), - scaleFract: regl.prop('scaleFract'), - translateFract: regl.prop('translateFract'), - translate: regl.prop('translate'), - opacity: regl.prop('opacity'), - pixelRatio: regl.context('pixelRatio'), - id: regl.prop('id'), - viewport: function (ctx, prop) { return [prop.viewport.x, prop.viewport.y, ctx.viewportWidth, ctx.viewportHeight]; } - }, - - attributes: { - position: { - buffer: positionBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; } - }, - positionFract: { - buffer: positionFractBuffer, - stride: 8, - offset: function (ctx, prop) { return 8 + prop.offset * 8; } - } - }, - - blend: shaderOptions.blend, - - depth: { - enable: false - }, - scissor: shaderOptions.scissor, - stencil: shaderOptions.stencil, - viewport: shaderOptions.viewport - }) - - //expose API - extend(line2d, { - update: update, - draw: draw, - destroy: destroy, - regl: regl, - gl: gl, - canvas: gl.canvas, - lines: lines - }) - - function line2d (opts) { - //update - if (opts) { - update(opts) - } - - //destroy - else if (opts === null) { - destroy() - } - - draw() - } - - function draw (options) { - if (typeof options === 'number') { return drawLine(options) } - - //make options a batch - if (options && !Array.isArray(options)) { options = [options] } - - //render multiple polylines via regl batch - lines.forEach(function (s, i) { - if (options) { - if (!options[i]) { s.draw = false } - else { s.draw = true } - } - - //ignore draw flag for one pass - if (!s.draw) { - s.draw = true; - return - } - - drawLine(i) - }) - } - - //draw single line by id - function drawLine (s) { - if (typeof s === 'number') { s = lines[s] } - - if (!(s && s.count && s.opacity && s.positions && s.positions.length > 2)) { return } - - regl._refresh() - - if (s.fill && s.triangles && s.triangles.length > 2) { - drawFill(s) - } - - if (!s.thickness || !s.color) { return } - - s.scaleRatio = [ - s.scale[0] * s.viewport.width, - s.scale[1] * s.viewport.height - ] - - //high scale is only available for rect mode with precision - if (s.scaleRatio[0] > precisionThreshold || s.scaleRatio[1] > precisionThreshold) { - drawRectLine(s) - } - - //thin lines or too many points are rendered as simplified rect shader - else if (s.join === 'rect' || (!s.join && (s.thickness <= 2 || s.positions.length >= maxPoints))) { - drawRectLine(s) - } - else { - drawMiterLine(s) - } - - if (s.after) { s.after(s) } - } - - function update (options) { - if (!options) { return } - - if (options.length != null) { - if (typeof options[0] === 'number') { options = [{positions: options}] } - } - - //make options a batch - else if (!Array.isArray(options)) { options = [options] } - - //global count of points - var pointCount = 0 - - //process per-line settings - lines = options.map(function (options, i) { - var state = lines[i] - - if (!options) { return state } - else if (typeof options === 'function') { options = {after: options} } - else if (typeof options[0] === 'number') { options = {positions: options} } - - //reduce by aliases - options = pick(options, { - positions: 'positions points data coords', - thickness: 'thickness lineWidth lineWidths line-width linewidth width stroke-width strokewidth strokeWidth', - join: 'lineJoin linejoin join type mode', - miterLimit: 'miterlimit miterLimit', - dashes: 'dash dashes dasharray dash-array dashArray', - color: 'color stroke colors stroke-color strokeColor', - fill: 'fill fill-color fillColor', - opacity: 'alpha opacity', - overlay: 'overlay crease overlap intersect', - close: 'closed close closed-path closePath', - range: 'range dataBox', - viewport: 'viewport viewBox', - hole: 'holes hole hollow', - after: 'after callback done pass' - }) - - if (!state) { - lines[i] = state = { - id: i, - scale: null, - scaleFract: null, - translate: null, - translateFract: null, - count: 0, - offset: 0, - dashLength: 0, - hole: true - } - options = extend({}, defaults, options) - } - - //calculate state values - updateDiff(state, options, [{ - thickness: parseFloat, - opacity: parseFloat, - miterLimit: parseFloat, - overlay: Boolean, - join: function (j) { return j; }, - after: function (fn) { return fn; }, - hole: function (h) { return h || []; }, - - positions: function (positions, state, options) { - positions = flatten(positions, 'float64') - - var count = Math.floor(positions.length / 2) - var bounds = getBounds(positions, 2) - - if (!state.range && !options.range) { - options.range = bounds - } - - state.count = count - state.bounds = bounds - - pointCount += count - - return positions - }, - - fill: function (c) { - return !c ? null : rgba(c, 'uint8') - }, - - dashes: function (dashes, state, options) { - var dashLength = state.dashLength, - dashData - - if (!dashes || dashes.length < 2) { - dashLength = 1. - dashData = new Uint8Array([255, 255, 255, 255, 255, 255, 255, 255]) - } - - else { - dashLength = 0.; - for(var i = 0; i < dashes.length; ++i) { - dashLength += dashes[i] - } - dashData = new Uint8Array(dashLength * dashMult) - var ptr = 0 - var fillColor = 255 - - //repeat texture two times to provide smooth 0-step - for (var k = 0; k < 2; k++) { - for(var i$1 = 0; i$1 < dashes.length; ++i$1) { - for(var j = 0, l = dashes[i$1] * dashMult * .5; j < l; ++j) { - dashData[ptr++] = fillColor - } - fillColor ^= 255 - } - } - } - - dashTexture.subimage({ - // channels: 1, - data: dashData, - width: dashData.length, - height: 1 - }, 0, state.id) - - state.dashLength = dashLength - - return dashData - } - }, - - //dependent properties & complement actions - { - close: function (close, state, options) { - if (close != null) { return close } - if (state.positions.length >= 4 && - state.positions[0] === state.positions[state.positions.length - 2] && - state.positions[1] === state.positions[state.positions.length - 1]) { - return true - } - return false - }, - - positions: function (p, state, options) { - if (state.fill && p.length) { - var pos = [] - - //filter bad vertices and remap triangles to ensure shape - var ids = {} - var lastId = 0 - - for (var i = 0, ptr = 0, l = state.count; i < l; i++) { - var x = state.positions[i*2] - var y = state.positions[i*2 + 1] - if (Number.isNaN(x) || Number.isNaN(y)) { - x = state.positions[lastId*2] - y = state.positions[lastId*2 + 1] - ids[i] = lastId - } - else { - lastId = i - } - pos[ptr++] = x - pos[ptr++] = y - } - - var triangles = triangulate(pos, state.hole) - - for (var i$1 = 0, l$1 = triangles.length; i$1 < l$1; i$1++) { - if (ids[triangles[i$1]] != null) { triangles[i$1] = ids[triangles[i$1]] } - } - - state.triangles = triangles - } - return state.positions - }, - - color: function (colors, state, options) { - var count = state.count - - if (!colors) { colors = 'transparent' } - - // 'black' or [0,0,0,0] case - if (!Array.isArray(colors) || typeof colors[0] === 'number') { - var color = colors; - colors = Array(count); - for (var i = 0; i < count; i++) { - colors[i] = color - } - } - - if (colors.length < count) { throw Error('Not enough colors') } - - var colorData = new Uint8Array(count * 4 + 4) - - //convert colors to float arrays - for (var i$1 = 0; i$1 < count; i$1++) { - var c = rgba(colors[i$1], 'uint8') - colorData.set(c, i$1 * 4) - } - - return colorData - }, - - range: function (range, state, options) { - if (!state.count) { return null } - - var bounds = state.bounds - if (!range) { range = bounds } - - var nrange = normalize(range.slice(), 2, bounds) - - state.scale = [1 / (nrange[2] - nrange[0]), 1 / (nrange[3] - nrange[1])] - state.translate = [-nrange[0], -nrange[1]] - - state.scaleFract = fract32(state.scale) - state.translateFract = fract32(state.translate) - - return range - }, - - viewport: function (vp) { - var viewport - - if (Array.isArray(vp)) { - viewport = { - x: vp[0], - y: vp[1], - width: vp[2] - vp[0], - height: vp[3] - vp[1] - } - } - else if (vp) { - viewport = { - x: vp.x || vp.left || 0, - y: vp.y || vp.top || 0 - } - - if (vp.right) { viewport.width = vp.right - viewport.x } - else { viewport.width = vp.w || vp.width || 0 } - - if (vp.bottom) { viewport.height = vp.bottom - viewport.y } - else { viewport.height = vp.h || vp.height || 0 } - } - else { - viewport = { - x: 0, y: 0, - width: gl.drawingBufferWidth, - height: gl.drawingBufferHeight - } - } - - return viewport - } - }]) - - return state - }) - - //put collected data into buffers - //FIXME: possible optimization is updating only segment subdata - if (pointCount) { - var len = pointCount * 2 + lines.length * 6; - var positionData = new Float64Array(len) - var offset = 0 - var colorData = new Uint8Array(len * 2) - - lines.forEach(function (state, i) { - if (!state) { return } - - var positions = state.positions; - var count = state.count; - var color = state.color; - state.offset = offset - - if (!count) { return } - - //provide normalized positions - var npos = new Float64Array(positions.length) - npos.set(positions) - normalize(npos, 2, state.bounds) - - //rotate first segment join - if (state.close) { - if (positions[0] === positions[count*2 - 2] && - positions[1] === positions[count*2 - 1]) { - positionData[offset*2 + 0] = npos[count*2 - 4] - positionData[offset*2 + 1] = npos[count*2 - 3] - } - else { - positionData[offset*2 + 0] = npos[count*2 - 2] - positionData[offset*2 + 1] = npos[count*2 - 1] - } - } - else { - positionData[offset*2 + 0] = npos[0] - positionData[offset*2 + 1] = npos[1] - } - colorData[offset*4 + 0] = color[0] - colorData[offset*4 + 1] = color[1] - colorData[offset*4 + 2] = color[2] - colorData[offset*4 + 3] = color[3] - - positionData.set(npos, offset * 2 + 2) - colorData.set(color, offset * 4 + 4) - - //add last segment - if (state.close) { - //ignore coinciding start/end - if (positions[0] === positions[count*2 - 2] && - positions[1] === positions[count*2 - 1]) { - positionData[offset*2 + count*2 + 2] = npos[2] - positionData[offset*2 + count*2 + 3] = npos[3] - offset += count + 2 - state.count -= 1 - } - else { - positionData[offset*2 + count*2 + 2] = npos[0] - positionData[offset*2 + count*2 + 3] = npos[1] - positionData[offset*2 + count*2 + 4] = npos[2] - positionData[offset*2 + count*2 + 5] = npos[3] - offset += count + 3 - } - } - //add stub - else { - positionData[offset*2 + count*2 + 2] = npos[count*2 - 2] - positionData[offset*2 + count*2 + 3] = npos[count*2 - 1] - positionData[offset*2 + count*2 + 4] = npos[count*2 - 2] - positionData[offset*2 + count*2 + 5] = npos[count*2 - 1] - offset += count + 3 - } - }) - - colorBuffer(colorData) - positionBuffer(float32(positionData)) - positionFractBuffer(fract32(positionData)) - } - - return line2d - } - - function destroy () { - lines.length = 0 - colorBuffer.destroy() - offsetBuffer.destroy() - positionBuffer.destroy() - dashTexture.destroy() - } - - return line2d -} - - -//return fractional part of float32 array -function fract32 (arr) { - var fract = new Float32Array(arr.length) - fract.set(arr) - for (var i = 0, l = fract.length; i < l; i++) { - fract[i] = arr[i] - fract[i] - } - return fract -} -function float32 (arr) { - if (arr instanceof Float32Array) { return arr } - - var float = new Float32Array(arr) - float.set(arr) - return float -} -},{"array-bounds":48,"array-normalize":49,"color-normalize":99,"earcut":135,"flatten-vertex-data":143,"glslify":502,"object-assign":462,"pick-by-alias":473,"update-diff":558}],502:[function(require,module,exports){ -arguments[4][169][0].apply(exports,arguments) -},{"dup":169}],503:[function(require,module,exports){ -'use strict' - -var rgba = require('color-normalize') -var getBounds = require('array-bounds') -var colorId = require('color-id') -var snapPoints = require('snap-points-2d') -var extend = require('object-assign') -var glslify = require('glslify') -var search = require('binary-search-bounds') -var pick = require('pick-by-alias') -var updateDiff = require('update-diff') -var flatten = require('flatten-vertex-data') -var ie = require('is-iexplorer') -var ref = require('to-float32'); -var float32 = ref.float32; -var fract32 = ref.fract32; - -module.exports = Scatter - - -function Scatter (regl, options) { - if (typeof regl === 'function') { - if (!options) { options = {} } - options.regl = regl - } - else { - options = regl - regl = null - } - - if (options && options.length) { options.positions = options } - regl = options.regl - - // persistent variables - var gl = regl._gl, - drawMarker, drawCircle, - sizeBuffer, positionBuffer, positionFractBuffer, colorBuffer, - paletteTexture, palette = [], paletteIds = {}, - defaults = { - color: 'black', - borderColor: 'transparent', - borderSize: 1, - size: 12, - opacity: 1, - marker: undefined, - viewport: null, - range: null, - pixelSize: null, - offset: 0, - count: 0, - bounds: null, - positions: [], - snap: 1e4 - }, - - //state - groups = [], - - //textures for marker keys - markerTextures = [null], - markerCache = [null] - - var maxColors = 4096, maxSize = 100 - - //texture with color palette - paletteTexture = regl.texture({ - data: new Uint8Array(maxColors * 4), - width: maxColors, - height: 1, - type: 'uint8', - format: 'rgba', - wrapS: 'clamp', - wrapT: 'clamp', - mag: 'nearest', - min: 'nearest' - }) - - //buffers to reuse - sizeBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - colorBuffer = regl.buffer({ - usage: 'dynamic', - type: 'uint16', - data: null - }) - positionBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - positionFractBuffer = regl.buffer({ - usage: 'dynamic', - type: 'float', - data: null - }) - - //fast-create from existing regl-scatter instance - if (options.clone) { - groups = options.clone.groups.map(function (group) { - group = extend({}, group) - if (group.markerIds) { - group.markerIds = group.markerIds.map(function (ids) { - // recreate regl elements here - var newIds = ids.slice() - newIds.lod = ids.lod - newIds.snap = ids.snap - newIds.data = ids.data - newIds.id = ids.id - newIds.x = ids.x - newIds.w = ids.w - newIds.elements = regl.elements({ - primitive: 'points', - type: 'uint32', - data: ids.data - }) - return newIds - }) - } - return group - }) - - //create marker textures - options.clone.markers.forEach(function (markers) { - addMarker(markers) - }) - - updateBuffers({point: true, color: true, size: true}) - } - //full create from options - else { - update(options) - } - - - //common shader options - var shaderOptions = { - uniforms: { - pixelRatio: regl.context('pixelRatio'), - palette: paletteTexture, - scale: regl.prop('scale'), - scaleFract: regl.prop('scaleFract'), - translate: regl.prop('translate'), - translateFract: regl.prop('translateFract'), - opacity: regl.prop('opacity'), - marker: regl.prop('marker') - }, - - attributes: { - position: positionBuffer, - positionFract: positionFractBuffer, - size: function (ctx, prop) { return prop.size.length ? { - buffer: sizeBuffer, - stride: 2, - offset: 0 - } : {constant: [Math.round(prop.size * 255 / maxSize)]}; }, - borderSize: function (ctx, prop) { return prop.borderSize.length ? { - buffer: sizeBuffer, - stride: 2, - offset: 1 - } : {constant: [Math.round(prop.borderSize * 255 / maxSize)]}; }, - colorId: function (ctx, prop) { return prop.color.length ? { - buffer: colorBuffer, - stride: 4, - offset: 0 - } : {constant: [prop.color]}; }, - borderColorId: function (ctx, prop) { return prop.borderColor.length ? { - buffer: colorBuffer, - stride: 4, - offset: 2 - } : {constant: [prop.borderColor]}; } - }, - - - blend: { - enable: true, - color: [0,0,0,1], - func: { - srcRGB: 'src alpha', - dstRGB: 'one minus src alpha', - srcAlpha: 'one minus dst alpha', - dstAlpha: 'one' - } - }, - - scissor: { - enable: true, - box: regl.prop('viewport') - }, - viewport: regl.prop('viewport'), - - stencil: {enable: false}, - depth: {enable: false}, - - - elements: regl.prop('elements'), - count: regl.prop('count'), - offset: regl.prop('offset'), - - primitive: 'points' - } - - // IE11 shader workaround - if (ie) { - drawCircle = regl(extend({}, shaderOptions, { - frag: glslify(["precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 color, borderColor;\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float radius = length(2.0*gl_PointCoord.xy-1.0);\n if(radius > 1.0) {\n discard;\n }\n\n float centerFraction = fragBorderSize == 0. ? 2. : fragSize / (fragSize + fragBorderSize + 1.25);\n\n vec4 baseColor = mix(borderColor, color, smoothStep(radius, centerFraction));\n float alpha = 1.0 - pow(1.0 - baseColor.a, 1.);\n gl_FragColor = vec4(baseColor.rgb * alpha, alpha);\n}\n"]), - vert: glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth, fragBorderSize, fragSize;\n\nvoid main() {\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n fragBorderSize = borderSize;\n fragSize = size;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragWidth = 1. / gl_PointSize;\n}\n"]), - uniforms: { - // FIXME: generate attribute color data - color: function (ctx, p) { - var id = p.color.length ? p.color[0] : p.color; - return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) - }, - borderColor: function (ctx, p) { - var id = p.borderColor.length ? p.borderColor[0] : p.borderColor; - return palette.slice(id * 4, id * 4 + 4).map(function (v) { return v / 255; }) - }, - pixelRatio: regl.context('pixelRatio'), - palette: paletteTexture, - scale: regl.prop('scale'), - scaleFract: regl.prop('scaleFract'), - translate: regl.prop('translate'), - translateFract: regl.prop('translateFract'), - opacity: regl.prop('opacity'), - marker: regl.prop('marker') - }, - attributes: { - position: positionBuffer, - positionFract: positionFractBuffer, - size: shaderOptions.attributes.size, - borderSize: shaderOptions.attributes.borderSize - } - })) - } - else { - //draw sdf-marker - var markerOptions = extend({}, shaderOptions) - markerOptions.frag = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragWidth, fragBorderColorLevel, fragColorLevel;\n\nuniform sampler2D marker;\nuniform float pixelRatio, opacity;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float dist = texture2D(marker, gl_PointCoord).r, delta = fragWidth;\n\n //max-distance alpha\n if (dist < 0.003) discard;\n\n //null-border case\n if (fragBorderColorLevel == fragColorLevel || fragBorderColor.a == 0.) {\n float colorAmt = smoothstep(.5 - delta, .5 + delta, dist);\n gl_FragColor = vec4(fragColor.rgb, colorAmt * fragColor.a);\n return;\n }\n\n float borderColorAmt = smoothstep(fragBorderColorLevel - delta, fragBorderColorLevel + delta, dist);\n float colorAmt = smoothstep(fragColorLevel - delta, fragColorLevel + delta, dist);\n\n vec4 color = fragBorderColor;\n color.a *= borderColorAmt;\n color = mix(color, fragColor, colorAmt);\n color.a *= opacity;\n\n gl_FragColor = color;\n}\n"]) - markerOptions.vert = glslify(["precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\nconst float borderLevel = .5;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragPointSize, fragBorderRadius,\n\t\tfragWidth, fragBorderColorLevel, fragColorLevel;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = 2. * size * pixelRatio;\n fragPointSize = size * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n\n fragBorderColorLevel = clamp(borderLevel - borderLevel * borderSize / size, 0., 1.);\n fragColorLevel = clamp(borderLevel + (1. - borderLevel) * borderSize / size, 0., 1.);\n}\n"]) - - drawMarker = regl(markerOptions) - - //draw circle - var circleOptions = extend({}, shaderOptions) - circleOptions.frag = glslify(["precision highp float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\n\nuniform float opacity;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n\tfloat radius, alpha = 1.0, delta = fragWidth;\n\n\tradius = length(2.0 * gl_PointCoord.xy - 1.0);\n\n\tif(radius > 1.0 + delta) {\n\t\tdiscard;\n\t\treturn;\n\t}\n\n\talpha -= smoothstep(1.0 - delta, 1.0 + delta, radius);\n\n\tfloat borderRadius = fragBorderRadius;\n\tfloat ratio = smoothstep(borderRadius - delta, borderRadius + delta, radius);\n\tvec4 color = mix(fragColor, fragBorderColor, ratio);\n\tcolor.a *= alpha * opacity;\n\tgl_FragColor = color;\n}\n"]) - circleOptions.vert = glslify(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n}\n"]) - - drawCircle = regl(circleOptions) - } - - //expose API - extend(scatter2d, { - update: update, - draw: draw, - destroy: destroy, - regl: regl, - gl: gl, - canvas: gl.canvas, - groups: groups, - markers: markerCache - }) - - - function scatter2d (opts) { - //update - if (opts) { - update(opts) - } - - //destroy - else if (opts === null) { - destroy() - } - - draw() - } - - // draw all groups or only indicated ones - function draw (opts) { - if (typeof opts === 'number') { return drawGroup(opts) } - - // highlight elements - if (Array.isArray(opts)) { - opts.forEach(function (els, i) { - if (els == null) { return } - if (els.length) { return drawGroup(els, i) } - return drawGroup(els) - }) - return - } - - // make options a batch - groups.forEach(function (group, i) { - if (!group) { return } - - drawGroup(i) - }) - } - - // draw specific scatter group - function drawGroup (group, id) { - if (typeof group === 'number') { group = groups[group] } - - var els - if (Array.isArray(group)) { - els = group - group = groups[id] - } - - if (!(group && group.count && group.opacity)) { return } - - //if subset of elements to redraw passed - form a whitelist - var whitelist - if (els) { - whitelist = Array(group.count); - - for (var i = 0; i < els.length; i++) { - whitelist[els[i]] = true - } - } - - //draw circles - //FIXME remove regl._refresh hooks once regl issue #427 is fixed - if (group.markerIds[0]) { - regl._refresh() - - var opts = getMarkerDrawOptions(group.markerIds[0], group, whitelist) - drawCircle(opts) - } - - //draw all other available markers - var batch = [] - for (var i$1 = 1; i$1 < group.markerIds.length; i$1++) { - var ids = group.markerIds[i$1] - - if (!ids || !ids.length) { continue } - - [].push.apply(batch, getMarkerDrawOptions(ids, group, whitelist)) - } - - if (batch.length) { - regl._refresh() - drawMarker(batch) - } - } - - // get options for the marker ids - function getMarkerDrawOptions(ids, group, whitelist) { - var range = group.range; - var offset = group.offset; - //unsnapped options - if (!ids.snap) { - var elements = whitelist ? filter(ids.data, whitelist) : ids.elements; - - return [extend({}, group, { - elements: elements, - offset: 0, - count: whitelist ? elements.length : ids.length, - marker: markerTextures[ids.id] - })] - } - - //scales batch - var batch = [] - var lod = ids.lod; - var x = ids.x; - var id = ids.id; - - var pixelSize = (range[2] - range[0]) / group.viewport.width - - for (var scaleNum = lod.length; scaleNum--;) { - var level = lod[scaleNum] - - //FIXME: use minSize-adaptive coeff here, if makes sense, mb we need dist tho - if (level.pixelSize && level.pixelSize < pixelSize && scaleNum > 1) { - continue - } - - var intervalStart = level.offset - var intervalEnd = level.count + intervalStart - - var startOffset = search.ge(x, range[0], intervalStart, intervalEnd - 1) - var endOffset = search.lt(x, range[2], startOffset, intervalEnd - 1) + 1 - - if (endOffset <= startOffset) { continue } - - // whitelisted level requires subelements from the range - if (whitelist) { - var elements$1 = filter(ids.data.subarray(startOffset, endOffset), whitelist) - - batch.push(extend({}, group, { - elements: elements$1, - marker: markerTextures[id], - offset: 0, - count: elements$1.length - })) - } - else { - batch.push(extend({}, group, { - elements: ids.elements, - marker: markerTextures[id], - offset: startOffset, - count: endOffset - startOffset - })) - } - } - - function filter(offsets, whitelist) { - var subEls = [] - for (var i = 0, l = offsets.length; i < l; i++) { - var el = offsets[i] - var id = el - offset - if (whitelist[id]) { - subEls.push(el) - } - } - return subEls - } - - return batch - } - - // update groups options - function update (options) { - if (!options) { return } - - //direct points argument - if (options.length != null) { - if (typeof options[0] === 'number') { options = [{positions: options}] } - } - //make options a batch - else if (!Array.isArray(options)) { options = [options] } - - //global count of points - var pointCount = 0, sizeCount = 0, colorCount = 0 - - groups = options.map(function (options, i) { - var group = groups[i] - - if (!options) { return group } - else if (typeof options === 'function') { options = {after: options} } - else if (typeof options[0] === 'number') { options = {positions: options} } - - //copy options to avoid mutation & handle aliases - options = pick(options, { - positions: 'positions data points', - snap: 'snap cluster', - size: 'sizes size radius', - borderSize: 'borderSizes borderSize stroke-width strokeWidth outline', - color: 'colors color fill fill-color fillColor', - borderColor: 'borderColors borderColor stroke stroke-color strokeColor', - palette: 'palette swatch', - marker: 'markers marker shape', - range: 'range dataBox', - viewport: 'viewport viewBox', - opacity: 'opacity alpha' - }) - if (!group) { - groups[i] = group = { - id: i, - scale: null, - translate: null, - scaleFract: null, - translateFract: null, - - //list of ids corresponding to markers, with inner props - markerIds: [] - } - options = extend({}, defaults, options) - } - - //force update triggers - if (options.positions && !('marker' in options)) { - options.marker = group.marker - delete group.marker - } - - updateDiff(group, options, [{ - snap: true, - size: function (s) { - sizeCount += s.length ? 1 : 0 - return s - }, - borderSize: function (s) { - sizeCount += s.length ? 1 : 0 - return s - }, - opacity: parseFloat, - - //add colors to palette, save references - color: function (c) { - c = updateColor(c) - colorCount++ - return c - }, - borderColor: function (c) { - c = updateColor(c) - colorCount++ - return c - }, - - positions: function (positions, group, options) { - positions = flatten(positions, 'float64') - - var count = group.count = Math.floor(positions.length / 2) - var bounds = group.bounds = count ? getBounds(positions, 2) : null - - // if range is not provided updated - recalc it - if (!options.range && !group.range) { - delete group.range - options.range = bounds - } - - group.offset = pointCount - pointCount += count - - // reset marker - if (!options.marker && !group.marker) { - delete group.marker; - options.marker = null; - } - - return positions - } - }, { - //create marker ids corresponding to known marker textures - marker: function (markers, group, options) { - //reset marker elements - group.markerIds.length = 0 - - //single sdf marker - if (!markers || typeof markers[0] === 'number') { - var id = addMarker(markers) - - var elements = Array(group.count) - for (var i = 0; i < group.count; i++) { - elements[i] = i - } - - group.markerIds[id] = elements - } - //per-point markers - else { - for (var i$1 = 0, l = markers.length; i$1 < l; i$1++) { - var id$1 = addMarker(markers[i$1]) - - if (!group.markerIds[id$1]) { group.markerIds[id$1] = [] } - group.markerIds[id$1].push(i$1) - } - } - - return markers - } - }, { - //recalculate per-marker snapping - //first, it is faster to snap 100 points 100 times than 10000 points once (practically, not theoretically) - //second, it is easier to subset render per-marker than per-generic set - positions: function (positions, group) { - var markerIds = group.markerIds; - var snap = group.snap; - var bounds = group.bounds; - var offset = group.offset; - - for (var i = 0; i < markerIds.length; i++) { - var ids = markerIds[i] - if (!ids || !ids.length) { continue } - - var l = ids.length, els = (void 0) - - ids.id = i; - - if (snap && (snap === true || l > snap)) { - ids.snap = true - var x = ids.x = Array(l) - var w = ids.w = Array(l) - var markerPoints = (void 0) - - //multimarker snapping is computationally more intense - if (markerIds.length > 1) { - markerPoints = Array(l * 2) - - for (var i$1 = 0; i$1 < l; i$1++) { - var id = ids[i$1] - markerPoints[i$1 * 2] = positions[id * 2] - markerPoints[i$1 * 2 + 1] = positions[id * 2 + 1] - } - } - else { - markerPoints = new Float64Array(positions.length) - markerPoints.set(positions) - } - - //shuffled_id: real_id - var i2id = new Uint32Array(l) - - ids.lod = snapPoints(markerPoints, i2id, w, bounds) - - els = new Uint32Array(l) - for (var i$2 = 0; i$2 < l; i$2++) { - var id$1 = i2id[i$2], iid = ids[id$1] - els[i$2] = iid + offset - x[i$2] = positions[iid * 2] - } - } - else { - els = new Uint32Array(l) - for (var i$3 = 0; i$3 < l; i$3++) { - els[i$3] = ids[i$3] + offset - } - } - - ids.data = els; - ids.elements = regl.elements({ - primitive: 'points', - type: 'uint32', - data: els - }) - } - }, - - range: function (range, group, options) { - var bounds = group.bounds - - if (!bounds) { return } - if (!range) { range = bounds } - - group.scale = [1 / (range[2] - range[0]), 1 / (range[3] - range[1])] - group.translate = [-range[0], -range[1]] - - group.scaleFract = fract32(group.scale) - group.translateFract = fract32(group.translate) - - return range - }, - - viewport: function (vp) { - var viewport - - if (Array.isArray(vp)) { - viewport = { - x: vp[0], - y: vp[1], - width: vp[2] - vp[0], - height: vp[3] - vp[1] - } - } - else if (vp) { - viewport = { - x: vp.x || vp.left || 0, - y: vp.y || vp.top || 0 - } - - if (vp.right) { viewport.width = vp.right - viewport.x } - else { viewport.width = vp.w || vp.width || 0 } - - if (vp.bottom) { viewport.height = vp.bottom - viewport.y } - else { viewport.height = vp.h || vp.height || 0 } - } - else { - viewport = { - x: 0, y: 0, - width: gl.drawingBufferWidth, - height: gl.drawingBufferHeight - } - } - - return viewport - } - }]) - - return group - }) - - updateBuffers({ - point: pointCount, - size: sizeCount, - color: colorCount - }) - } - - // update buffers data based on existing groups + // update buffers data based on existing groups function updateBuffers(ref) { var point = ref.point; var size = ref.size; var color = ref.color; - - //put point/color data into buffers, if updated any of them - var len = groups.reduce(function (acc, group, i) { - return acc + (group ? group.count : 0) - }, 0) - - if (point) { - var positionData = new Float32Array(len * 2) - var positionFractData = new Float32Array(len * 2) - - groups.forEach(function (group, i) { - if (!group) { return } + + //put point/color data into buffers, if updated any of them + var len = groups.reduce(function (acc, group, i) { + return acc + (group ? group.count : 0) + }, 0) + + if (point) { + var positionData = new Float32Array(len * 2) + var positionFractData = new Float32Array(len * 2) + + groups.forEach(function (group, i) { + if (!group) { return } var positions = group.positions; var count = group.count; - var offset = group.offset; - if (!count) { return } - positionData.set(float32(positions), offset * 2) - positionFractData.set(fract32(positions), offset * 2) - }) - - positionBuffer(positionData) - positionFractBuffer(positionFractData) - } - - if (size) { - var sizeData = new Uint8Array(len * 2) - - groups.forEach(function (group, i) { - if (!group) { return } + var offset = group.offset; + if (!count) { return } + positionData.set(float32(positions), offset * 2) + positionFractData.set(fract32(positions), offset * 2) + }) + + positionBuffer(positionData) + positionFractBuffer(positionFractData) + } + + if (size) { + var sizeData = new Uint8Array(len * 2) + + groups.forEach(function (group, i) { + if (!group) { return } var count = group.count; var offset = group.offset; var size = group.size; - var borderSize = group.borderSize; - if (!count) { return } - - if (size.length || borderSize.length) { - var sizes = new Uint8Array(count*2) - for (var i$1 = 0; i$1 < count; i$1++) { - //we downscale size to allow for fractions - sizes[i$1*2] = Math.round((size[i$1] == null ? size : size[i$1]) * 255 / maxSize) - sizes[i$1*2 + 1] = Math.round((borderSize[i$1] == null ? borderSize : borderSize[i$1]) * 255 / maxSize) - } - sizeData.set(sizes, offset * 2) - } - }) - sizeBuffer(sizeData) - } - - if (color) { - var colorData = new Uint16Array(len * 2) - - groups.forEach(function (group, i) { - if (!group) { return } + var borderSize = group.borderSize; + if (!count) { return } + + if (size.length || borderSize.length) { + var sizes = new Uint8Array(count*2) + for (var i$1 = 0; i$1 < count; i$1++) { + //we downscale size to allow for fractions + sizes[i$1*2] = Math.round((size[i$1] == null ? size : size[i$1]) * 255 / maxSize) + sizes[i$1*2 + 1] = Math.round((borderSize[i$1] == null ? borderSize : borderSize[i$1]) * 255 / maxSize) + } + sizeData.set(sizes, offset * 2) + } + }) + sizeBuffer(sizeData) + } + + if (color) { + var colorData = new Uint16Array(len * 2) + + groups.forEach(function (group, i) { + if (!group) { return } var count = group.count; var offset = group.offset; var color = group.color; - var borderColor = group.borderColor; - if (!count) { return } - - if (color.length || borderColor.length) { - var colorIds = new Uint16Array(count*2) - for (var i$1 = 0; i$1 < count; i$1++) { - colorIds[i$1*2] = color[i$1] == null ? color : color[i$1] - colorIds[i$1*2 + 1] = borderColor[i$1] == null ? borderColor : borderColor[i$1] - } - colorData.set(colorIds, offset * 2) - } - }) - colorBuffer(colorData) - } - } - - // get (and create) marker texture id - function addMarker (sdf) { - var pos = sdf == null ? 0 : markerCache.indexOf(sdf) - - if (pos >= 0) { return pos } - - //convert sdf to 0..255 range - var distArr - if (sdf instanceof Uint8Array || sdf instanceof Uint8ClampedArray) { - distArr = sdf - } - else { - distArr = new Uint8Array(sdf.length) - for (var i = 0, l = sdf.length; i < l; i++) { - distArr[i] = sdf[i] * 255 - } - } - - var radius = Math.floor(Math.sqrt(distArr.length)) - - pos = markerTextures.length - - markerCache.push(sdf) - markerTextures.push(regl.texture({ - channels: 1, - data: distArr, - radius: radius, - mag: 'linear', - min: 'linear' - })) - - return pos - } - - // register color to palette, return it's index or list of indexes - function updateColor (colors) { - if (!Array.isArray(colors)) { - colors = [colors] - } - - var start = palette.length - var idx = [] - - for (var i = 0; i < colors.length; i++) { - var color = colors[i] - - //idx colors directly - if (typeof color === 'number') { - idx[i] = color - continue - } - - color = rgba(color, 'uint8') - - var id = colorId(color, false) - - // if new color - save it - if (paletteIds[id] == null) { - var pos = palette.length - paletteIds[id] = Math.floor(pos / 4) - palette[pos] = color[0] - palette[pos+1] = color[1] - palette[pos+2] = color[2] - palette[pos+3] = color[3] - } - - idx[i] = Math.min(paletteIds[id], maxColors - 1) - } - - // limit max color - if (start < maxColors * 4) { - paletteTexture.subimage({ - width: Math.min(palette.length * .25, maxColors), - height: 1, - data: palette.slice(0, maxColors * 4) - }, 0, 0) - } - - - //keep static index for single-color property - return idx.length === 1 ? idx[0] : idx - } - - // remove unused stuff - function destroy () { - groups.length = 0 - - sizeBuffer.destroy() - positionBuffer.destroy() - positionFractBuffer.destroy() - colorBuffer.destroy() - paletteTexture.destroy() - } - - return scatter2d -} + var borderColor = group.borderColor; + if (!count) { return } + + if (color.length || borderColor.length) { + var colorIds = new Uint16Array(count*2) + for (var i$1 = 0; i$1 < count; i$1++) { + colorIds[i$1*2] = color[i$1] == null ? color : color[i$1] + colorIds[i$1*2 + 1] = borderColor[i$1] == null ? borderColor : borderColor[i$1] + } + colorData.set(colorIds, offset * 2) + } + }) + colorBuffer(colorData) + } + } + + // get (and create) marker texture id + function addMarker (sdf) { + var pos = sdf == null ? 0 : markerCache.indexOf(sdf) + + if (pos >= 0) { return pos } + + //convert sdf to 0..255 range + var distArr + if (sdf instanceof Uint8Array || sdf instanceof Uint8ClampedArray) { + distArr = sdf + } + else { + distArr = new Uint8Array(sdf.length) + for (var i = 0, l = sdf.length; i < l; i++) { + distArr[i] = sdf[i] * 255 + } + } + + var radius = Math.floor(Math.sqrt(distArr.length)) + + pos = markerTextures.length + + markerCache.push(sdf) + markerTextures.push(regl.texture({ + channels: 1, + data: distArr, + radius: radius, + mag: 'linear', + min: 'linear' + })) + + return pos + } + + // register color to palette, return it's index or list of indexes + function updateColor (colors) { + if (!Array.isArray(colors)) { + colors = [colors] + } + + var start = palette.length + var idx = [] + + for (var i = 0; i < colors.length; i++) { + var color = colors[i] + + //idx colors directly + if (typeof color === 'number') { + idx[i] = color + continue + } + + color = rgba(color, 'uint8') + + var id = colorId(color, false) + + // if new color - save it + if (paletteIds[id] == null) { + var pos = palette.length + paletteIds[id] = Math.floor(pos / 4) + palette[pos] = color[0] + palette[pos+1] = color[1] + palette[pos+2] = color[2] + palette[pos+3] = color[3] + } + + idx[i] = Math.min(paletteIds[id], maxColors - 1) + } + + // limit max color + if (start < maxColors * 4) { + paletteTexture.subimage({ + width: Math.min(palette.length * .25, maxColors), + height: 1, + data: palette.slice(0, maxColors * 4) + }, 0, 0) + } + + + //keep static index for single-color property + return idx.length === 1 ? idx[0] : idx + } + + // remove unused stuff + function destroy () { + groups.length = 0 + + sizeBuffer.destroy() + positionBuffer.destroy() + positionFractBuffer.destroy() + colorBuffer.destroy() + paletteTexture.destroy() + } + + return scatter2d +} },{"array-bounds":48,"binary-search-bounds":504,"color-id":97,"color-normalize":99,"flatten-vertex-data":143,"glslify":505,"is-iexplorer":284,"object-assign":462,"pick-by-alias":473,"snap-points-2d":534,"to-float32":547,"update-diff":558}],504:[function(require,module,exports){ "use strict" @@ -84480,53 +84480,53 @@ function repeat(str, num) { } },{}],508:[function(require,module,exports){ -// Copyright 2014 Simon Lydell -// X11 (“MIT”) Licensed. (See LICENSE.) - -void (function(root, factory) { - if (typeof define === "function" && define.amd) { - define(factory) - } else if (typeof exports === "object") { - module.exports = factory() - } else { - root.resolveUrl = factory() - } -}(this, function() { - - function resolveUrl(/* ...urls */) { - var numUrls = arguments.length - - if (numUrls === 0) { - throw new Error("resolveUrl requires at least one argument; got none.") - } - - var base = document.createElement("base") - base.href = arguments[0] - - if (numUrls === 1) { - return base.href - } - - var head = document.getElementsByTagName("head")[0] - head.insertBefore(base, head.firstChild) - - var a = document.createElement("a") - var resolved - - for (var index = 1; index < numUrls; index++) { - a.href = arguments[index] - resolved = a.href - base.href = resolved - } - - head.removeChild(base) - - return resolved - } - - return resolveUrl - -})); +// Copyright 2014 Simon Lydell +// X11 (“MIT”) Licensed. (See LICENSE.) + +void (function(root, factory) { + if (typeof define === "function" && define.amd) { + define(factory) + } else if (typeof exports === "object") { + module.exports = factory() + } else { + root.resolveUrl = factory() + } +}(this, function() { + + function resolveUrl(/* ...urls */) { + var numUrls = arguments.length + + if (numUrls === 0) { + throw new Error("resolveUrl requires at least one argument; got none.") + } + + var base = document.createElement("base") + base.href = arguments[0] + + if (numUrls === 1) { + return base.href + } + + var head = document.getElementsByTagName("head")[0] + head.insertBefore(base, head.firstChild) + + var a = document.createElement("a") + var resolved + + for (var index = 1; index < numUrls; index++) { + a.href = arguments[index] + resolved = a.href + base.href = resolved + } + + head.removeChild(base) + + return resolved + } + + return resolveUrl + +})); },{}],509:[function(require,module,exports){ (function (global){ @@ -87107,446 +87107,446 @@ function createSlabDecomposition(segments) { return new SlabDecomposition(slabs, lines, horizontal) } },{"./lib/order-segments":531,"binary-search-bounds":70,"functional-red-black-tree":144,"robust-orientation":515}],533:[function(require,module,exports){ -'use strict' - -module.exports = sortLevels - -var INSERT_SORT_CUTOFF = 32 - -function sortLevels(data_levels, data_points, data_ids, data_weights, n0) { - if (n0 <= 4*INSERT_SORT_CUTOFF) { - insertionSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) - } -} - -function insertionSort(left, right, data_levels, data_points, data_ids, data_weights) { - for(var i=left+1; i<=right; ++i) { - var a_level = data_levels[i] - var a_x = data_points[2*i] - var a_y = data_points[2*i+1] - var a_id = data_ids[i] - var a_weight = data_weights[i] - - var j = i - while(j > left) { - var b_level = data_levels[j-1] - var b_x = data_points[2*(j-1)] - if(((b_level - a_level) || (a_x - b_x)) >= 0) { - break - } - data_levels[j] = b_level - data_points[2*j] = b_x - data_points[2*j+1] = data_points[2*j-1] - data_ids[j] = data_ids[j-1] - data_weights[j] = data_weights[j-1] - j -= 1 - } - - data_levels[j] = a_level - data_points[2*j] = a_x - data_points[2*j+1] = a_y - data_ids[j] = a_id - data_weights[j] = a_weight - } -} - -function swap(i, j, data_levels, data_points, data_ids, data_weights) { - var a_level = data_levels[i] - var a_x = data_points[2*i] - var a_y = data_points[2*i+1] - var a_id = data_ids[i] - var a_weight = data_weights[i] - - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] - - data_levels[j] = a_level - data_points[2*j] = a_x - data_points[2*j+1] = a_y - data_ids[j] = a_id - data_weights[j] = a_weight -} - -function move(i, j, data_levels, data_points, data_ids, data_weights) { - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] -} - -function rotate(i, j, k, data_levels, data_points, data_ids, data_weights) { - var a_level = data_levels[i] - var a_x = data_points[2*i] - var a_y = data_points[2*i+1] - var a_id = data_ids[i] - var a_weight = data_weights[i] - - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] - - data_levels[j] = data_levels[k] - data_points[2*j] = data_points[2*k] - data_points[2*j+1] = data_points[2*k+1] - data_ids[j] = data_ids[k] - data_weights[j] = data_weights[k] - - data_levels[k] = a_level - data_points[2*k] = a_x - data_points[2*k+1] = a_y - data_ids[k] = a_id - data_weights[k] = a_weight -} - -function shufflePivot( - i, j, - a_level, a_x, a_y, a_id, a_weight, - data_levels, data_points, data_ids, data_weights) { - - data_levels[i] = data_levels[j] - data_points[2*i] = data_points[2*j] - data_points[2*i+1] = data_points[2*j+1] - data_ids[i] = data_ids[j] - data_weights[i] = data_weights[j] - - data_levels[j] = a_level - data_points[2*j] = a_x - data_points[2*j+1] = a_y - data_ids[j] = a_id - data_weights[j] = a_weight -} - -function compare(i, j, data_levels, data_points, data_ids) { - return ((data_levels[i] - data_levels[j]) || - (data_points[2*j] - data_points[2*i]) || - (data_ids[i] - data_ids[j])) < 0 -} - -function comparePivot(i, level, x, y, id, data_levels, data_points, data_ids) { - return ((level - data_levels[i]) || - (data_points[2*i] - x) || - (id - data_ids[i])) < 0 -} - -function quickSort(left, right, data_levels, data_points, data_ids, data_weights) { - var sixth = (right - left + 1) / 6 | 0, - index1 = left + sixth, - index5 = right - sixth, - index3 = left + right >> 1, - index2 = index3 - sixth, - index4 = index3 + sixth, - el1 = index1, - el2 = index2, - el3 = index3, - el4 = index4, - el5 = index5, - less = left + 1, - great = right - 1, - tmp = 0 - if(compare(el1, el2, data_levels, data_points, data_ids, data_weights)) { - tmp = el1 - el1 = el2 - el2 = tmp - } - if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { - tmp = el4 - el4 = el5 - el5 = tmp - } - if(compare(el1, el3, data_levels, data_points, data_ids, data_weights)) { - tmp = el1 - el1 = el3 - el3 = tmp - } - if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { - tmp = el2 - el2 = el3 - el3 = tmp - } - if(compare(el1, el4, data_levels, data_points, data_ids, data_weights)) { - tmp = el1 - el1 = el4 - el4 = tmp - } - if(compare(el3, el4, data_levels, data_points, data_ids, data_weights)) { - tmp = el3 - el3 = el4 - el4 = tmp - } - if(compare(el2, el5, data_levels, data_points, data_ids, data_weights)) { - tmp = el2 - el2 = el5 - el5 = tmp - } - if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { - tmp = el2 - el2 = el3 - el3 = tmp - } - if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { - tmp = el4 - el4 = el5 - el5 = tmp - } - - var pivot1_level = data_levels[el2] - var pivot1_x = data_points[2*el2] - var pivot1_y = data_points[2*el2+1] - var pivot1_id = data_ids[el2] - var pivot1_weight = data_weights[el2] - - var pivot2_level = data_levels[el4] - var pivot2_x = data_points[2*el4] - var pivot2_y = data_points[2*el4+1] - var pivot2_id = data_ids[el4] - var pivot2_weight = data_weights[el4] - - var ptr0 = el1 - var ptr2 = el3 - var ptr4 = el5 - var ptr5 = index1 - var ptr6 = index3 - var ptr7 = index5 - - var level_x = data_levels[ptr0] - var level_y = data_levels[ptr2] - var level_z = data_levels[ptr4] - data_levels[ptr5] = level_x - data_levels[ptr6] = level_y - data_levels[ptr7] = level_z - - for (var i1 = 0; i1 < 2; ++i1) { - var x = data_points[2*ptr0+i1] - var y = data_points[2*ptr2+i1] - var z = data_points[2*ptr4+i1] - data_points[2*ptr5+i1] = x - data_points[2*ptr6+i1] = y - data_points[2*ptr7+i1] = z - } - - var id_x = data_ids[ptr0] - var id_y = data_ids[ptr2] - var id_z = data_ids[ptr4] - data_ids[ptr5] = id_x - data_ids[ptr6] = id_y - data_ids[ptr7] = id_z - - var weight_x = data_weights[ptr0] - var weight_y = data_weights[ptr2] - var weight_z = data_weights[ptr4] - data_weights[ptr5] = weight_x - data_weights[ptr6] = weight_y - data_weights[ptr7] = weight_z - - move(index2, left, data_levels, data_points, data_ids, data_weights) - move(index4, right, data_levels, data_points, data_ids, data_weights) - for (var k = less; k <= great; ++k) { - if (comparePivot(k, - pivot1_level, pivot1_x, pivot1_y, pivot1_id, - data_levels, data_points, data_ids)) { - if (k !== less) { - swap(k, less, data_levels, data_points, data_ids, data_weights) - } - ++less; - } else { - if (!comparePivot(k, - pivot2_level, pivot2_x, pivot2_y, pivot2_id, - data_levels, data_points, data_ids)) { - while (true) { - if (!comparePivot(great, - pivot2_level, pivot2_x, pivot2_y, pivot2_id, - data_levels, data_points, data_ids)) { - if (--great < k) { - break; - } - continue; - } else { - if (comparePivot(great, - pivot1_level, pivot1_x, pivot1_y, pivot1_id, - data_levels, data_points, data_ids)) { - rotate(k, less, great, data_levels, data_points, data_ids, data_weights) - ++less; - --great; - } else { - swap(k, great, data_levels, data_points, data_ids, data_weights) - --great; - } - break; - } - } - } - } - } - shufflePivot(left, less-1, pivot1_level, pivot1_x, pivot1_y, pivot1_id, pivot1_weight, data_levels, data_points, data_ids, data_weights) - shufflePivot(right, great+1, pivot2_level, pivot2_x, pivot2_y, pivot2_id, pivot2_weight, data_levels, data_points, data_ids, data_weights) - if (less - 2 - left <= INSERT_SORT_CUTOFF) { - insertionSort(left, less - 2, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(left, less - 2, data_levels, data_points, data_ids, data_weights) - } - if (right - (great + 2) <= INSERT_SORT_CUTOFF) { - insertionSort(great + 2, right, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(great + 2, right, data_levels, data_points, data_ids, data_weights) - } - if (great - less <= INSERT_SORT_CUTOFF) { - insertionSort(less, great, data_levels, data_points, data_ids, data_weights) - } else { - quickSort(less, great, data_levels, data_points, data_ids, data_weights) - } -} +'use strict' + +module.exports = sortLevels + +var INSERT_SORT_CUTOFF = 32 + +function sortLevels(data_levels, data_points, data_ids, data_weights, n0) { + if (n0 <= 4*INSERT_SORT_CUTOFF) { + insertionSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(0, n0 - 1, data_levels, data_points, data_ids, data_weights) + } +} + +function insertionSort(left, right, data_levels, data_points, data_ids, data_weights) { + for(var i=left+1; i<=right; ++i) { + var a_level = data_levels[i] + var a_x = data_points[2*i] + var a_y = data_points[2*i+1] + var a_id = data_ids[i] + var a_weight = data_weights[i] + + var j = i + while(j > left) { + var b_level = data_levels[j-1] + var b_x = data_points[2*(j-1)] + if(((b_level - a_level) || (a_x - b_x)) >= 0) { + break + } + data_levels[j] = b_level + data_points[2*j] = b_x + data_points[2*j+1] = data_points[2*j-1] + data_ids[j] = data_ids[j-1] + data_weights[j] = data_weights[j-1] + j -= 1 + } + + data_levels[j] = a_level + data_points[2*j] = a_x + data_points[2*j+1] = a_y + data_ids[j] = a_id + data_weights[j] = a_weight + } +} + +function swap(i, j, data_levels, data_points, data_ids, data_weights) { + var a_level = data_levels[i] + var a_x = data_points[2*i] + var a_y = data_points[2*i+1] + var a_id = data_ids[i] + var a_weight = data_weights[i] + + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] + + data_levels[j] = a_level + data_points[2*j] = a_x + data_points[2*j+1] = a_y + data_ids[j] = a_id + data_weights[j] = a_weight +} + +function move(i, j, data_levels, data_points, data_ids, data_weights) { + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] +} + +function rotate(i, j, k, data_levels, data_points, data_ids, data_weights) { + var a_level = data_levels[i] + var a_x = data_points[2*i] + var a_y = data_points[2*i+1] + var a_id = data_ids[i] + var a_weight = data_weights[i] + + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] + + data_levels[j] = data_levels[k] + data_points[2*j] = data_points[2*k] + data_points[2*j+1] = data_points[2*k+1] + data_ids[j] = data_ids[k] + data_weights[j] = data_weights[k] + + data_levels[k] = a_level + data_points[2*k] = a_x + data_points[2*k+1] = a_y + data_ids[k] = a_id + data_weights[k] = a_weight +} + +function shufflePivot( + i, j, + a_level, a_x, a_y, a_id, a_weight, + data_levels, data_points, data_ids, data_weights) { + + data_levels[i] = data_levels[j] + data_points[2*i] = data_points[2*j] + data_points[2*i+1] = data_points[2*j+1] + data_ids[i] = data_ids[j] + data_weights[i] = data_weights[j] + + data_levels[j] = a_level + data_points[2*j] = a_x + data_points[2*j+1] = a_y + data_ids[j] = a_id + data_weights[j] = a_weight +} + +function compare(i, j, data_levels, data_points, data_ids) { + return ((data_levels[i] - data_levels[j]) || + (data_points[2*j] - data_points[2*i]) || + (data_ids[i] - data_ids[j])) < 0 +} + +function comparePivot(i, level, x, y, id, data_levels, data_points, data_ids) { + return ((level - data_levels[i]) || + (data_points[2*i] - x) || + (id - data_ids[i])) < 0 +} + +function quickSort(left, right, data_levels, data_points, data_ids, data_weights) { + var sixth = (right - left + 1) / 6 | 0, + index1 = left + sixth, + index5 = right - sixth, + index3 = left + right >> 1, + index2 = index3 - sixth, + index4 = index3 + sixth, + el1 = index1, + el2 = index2, + el3 = index3, + el4 = index4, + el5 = index5, + less = left + 1, + great = right - 1, + tmp = 0 + if(compare(el1, el2, data_levels, data_points, data_ids, data_weights)) { + tmp = el1 + el1 = el2 + el2 = tmp + } + if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { + tmp = el4 + el4 = el5 + el5 = tmp + } + if(compare(el1, el3, data_levels, data_points, data_ids, data_weights)) { + tmp = el1 + el1 = el3 + el3 = tmp + } + if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { + tmp = el2 + el2 = el3 + el3 = tmp + } + if(compare(el1, el4, data_levels, data_points, data_ids, data_weights)) { + tmp = el1 + el1 = el4 + el4 = tmp + } + if(compare(el3, el4, data_levels, data_points, data_ids, data_weights)) { + tmp = el3 + el3 = el4 + el4 = tmp + } + if(compare(el2, el5, data_levels, data_points, data_ids, data_weights)) { + tmp = el2 + el2 = el5 + el5 = tmp + } + if(compare(el2, el3, data_levels, data_points, data_ids, data_weights)) { + tmp = el2 + el2 = el3 + el3 = tmp + } + if(compare(el4, el5, data_levels, data_points, data_ids, data_weights)) { + tmp = el4 + el4 = el5 + el5 = tmp + } + + var pivot1_level = data_levels[el2] + var pivot1_x = data_points[2*el2] + var pivot1_y = data_points[2*el2+1] + var pivot1_id = data_ids[el2] + var pivot1_weight = data_weights[el2] + + var pivot2_level = data_levels[el4] + var pivot2_x = data_points[2*el4] + var pivot2_y = data_points[2*el4+1] + var pivot2_id = data_ids[el4] + var pivot2_weight = data_weights[el4] + + var ptr0 = el1 + var ptr2 = el3 + var ptr4 = el5 + var ptr5 = index1 + var ptr6 = index3 + var ptr7 = index5 + + var level_x = data_levels[ptr0] + var level_y = data_levels[ptr2] + var level_z = data_levels[ptr4] + data_levels[ptr5] = level_x + data_levels[ptr6] = level_y + data_levels[ptr7] = level_z + + for (var i1 = 0; i1 < 2; ++i1) { + var x = data_points[2*ptr0+i1] + var y = data_points[2*ptr2+i1] + var z = data_points[2*ptr4+i1] + data_points[2*ptr5+i1] = x + data_points[2*ptr6+i1] = y + data_points[2*ptr7+i1] = z + } + + var id_x = data_ids[ptr0] + var id_y = data_ids[ptr2] + var id_z = data_ids[ptr4] + data_ids[ptr5] = id_x + data_ids[ptr6] = id_y + data_ids[ptr7] = id_z + + var weight_x = data_weights[ptr0] + var weight_y = data_weights[ptr2] + var weight_z = data_weights[ptr4] + data_weights[ptr5] = weight_x + data_weights[ptr6] = weight_y + data_weights[ptr7] = weight_z + + move(index2, left, data_levels, data_points, data_ids, data_weights) + move(index4, right, data_levels, data_points, data_ids, data_weights) + for (var k = less; k <= great; ++k) { + if (comparePivot(k, + pivot1_level, pivot1_x, pivot1_y, pivot1_id, + data_levels, data_points, data_ids)) { + if (k !== less) { + swap(k, less, data_levels, data_points, data_ids, data_weights) + } + ++less; + } else { + if (!comparePivot(k, + pivot2_level, pivot2_x, pivot2_y, pivot2_id, + data_levels, data_points, data_ids)) { + while (true) { + if (!comparePivot(great, + pivot2_level, pivot2_x, pivot2_y, pivot2_id, + data_levels, data_points, data_ids)) { + if (--great < k) { + break; + } + continue; + } else { + if (comparePivot(great, + pivot1_level, pivot1_x, pivot1_y, pivot1_id, + data_levels, data_points, data_ids)) { + rotate(k, less, great, data_levels, data_points, data_ids, data_weights) + ++less; + --great; + } else { + swap(k, great, data_levels, data_points, data_ids, data_weights) + --great; + } + break; + } + } + } + } + } + shufflePivot(left, less-1, pivot1_level, pivot1_x, pivot1_y, pivot1_id, pivot1_weight, data_levels, data_points, data_ids, data_weights) + shufflePivot(right, great+1, pivot2_level, pivot2_x, pivot2_y, pivot2_id, pivot2_weight, data_levels, data_points, data_ids, data_weights) + if (less - 2 - left <= INSERT_SORT_CUTOFF) { + insertionSort(left, less - 2, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(left, less - 2, data_levels, data_points, data_ids, data_weights) + } + if (right - (great + 2) <= INSERT_SORT_CUTOFF) { + insertionSort(great + 2, right, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(great + 2, right, data_levels, data_points, data_ids, data_weights) + } + if (great - less <= INSERT_SORT_CUTOFF) { + insertionSort(less, great, data_levels, data_points, data_ids, data_weights) + } else { + quickSort(less, great, data_levels, data_points, data_ids, data_weights) + } +} },{}],534:[function(require,module,exports){ -'use strict' - -var sortLevels = require('./lib/sort') -var getBounds = require('array-bounds') - -module.exports = snapPoints - -function partition(points, ids, start, end, lox, loy, hix, hiy) { - var mid = start - for(var i=start; i>> 1 - if(n < 1) { - return [] - } - - if (!ids) ids = Array(n) - if (!weights) weights = Array(n) - if (!bounds) bounds = [] - - for(var i=0; i= bounds[2] || bounds[1] >= bounds[3]) { - var b = getBounds(points, 2) - - if(b[0] === b[2]) { - b[2] += 1 - } - if(b[1] === b[3]) { - b[3] += 1 - } - - bounds[0] = b[0] - bounds[1] = b[1] - bounds[2] = b[2] - bounds[3] = b[3] - } - - var lox = bounds[0] - var loy = bounds[1] - var hix = bounds[2] - var hiy = bounds[3] - - //Calculate diameter - var scaleX = 1.0 / (hix - lox) - var scaleY = 1.0 / (hiy - loy) - var diam = Math.max(hix - lox, hiy - loy) - - - - var levels = new Int32Array(n) - var ptr = 0 - - function snapRec(x, y, diam, start, end, level) { - var diam_2 = diam * 0.5 - var offset = start + 1 - var count = end - start - weights[ptr] = count - levels[ptr++] = level - for(var i=0; i<2; ++i) { - for(var j=0; j<2; ++j) { - var nx = x+i*diam_2 - var ny = y+j*diam_2 - var nextOffset = partition( - points - , ids - , offset - , end - , nx, ny - , nx+diam_2, ny+diam_2) - if(nextOffset === offset) { - continue - } - if(nextOffset - offset >= Math.max(0.9 * count, 32)) { - var mid = (end + start)>>>1 - snapRec(nx, ny, diam_2, offset, mid, level+1) - offset = mid - } - snapRec(nx, ny, diam_2, offset, nextOffset, level+1) - offset = nextOffset - } - } - } - snapRec(lox, loy, diam, 0, n, 0) - sortLevels(levels, points, ids, weights, n) - - var lod = [] - var lastLevel = 0 - var prevOffset = n - for(var ptr=n-1; ptr>=0; --ptr) { - points[2*ptr] = (points[2*ptr] - lox) * scaleX - points[2*ptr+1] = (points[2*ptr+1] - loy) * scaleY - - var level = levels[ptr] - if(level === lastLevel) { - continue - } - - lod.push(new SnapInterval( - diam * Math.pow(0.5, level), - ptr+1, - prevOffset - (ptr+1) - )) - prevOffset = ptr+1 - - lastLevel = level - } - - lod.push(new SnapInterval(diam * Math.pow(0.5, level+1), 0, prevOffset)) - - return lod -} +'use strict' + +var sortLevels = require('./lib/sort') +var getBounds = require('array-bounds') + +module.exports = snapPoints + +function partition(points, ids, start, end, lox, loy, hix, hiy) { + var mid = start + for(var i=start; i>> 1 + if(n < 1) { + return [] + } + + if (!ids) ids = Array(n) + if (!weights) weights = Array(n) + if (!bounds) bounds = [] + + for(var i=0; i= bounds[2] || bounds[1] >= bounds[3]) { + var b = getBounds(points, 2) + + if(b[0] === b[2]) { + b[2] += 1 + } + if(b[1] === b[3]) { + b[3] += 1 + } + + bounds[0] = b[0] + bounds[1] = b[1] + bounds[2] = b[2] + bounds[3] = b[3] + } + + var lox = bounds[0] + var loy = bounds[1] + var hix = bounds[2] + var hiy = bounds[3] + + //Calculate diameter + var scaleX = 1.0 / (hix - lox) + var scaleY = 1.0 / (hiy - loy) + var diam = Math.max(hix - lox, hiy - loy) + + + + var levels = new Int32Array(n) + var ptr = 0 + + function snapRec(x, y, diam, start, end, level) { + var diam_2 = diam * 0.5 + var offset = start + 1 + var count = end - start + weights[ptr] = count + levels[ptr++] = level + for(var i=0; i<2; ++i) { + for(var j=0; j<2; ++j) { + var nx = x+i*diam_2 + var ny = y+j*diam_2 + var nextOffset = partition( + points + , ids + , offset + , end + , nx, ny + , nx+diam_2, ny+diam_2) + if(nextOffset === offset) { + continue + } + if(nextOffset - offset >= Math.max(0.9 * count, 32)) { + var mid = (end + start)>>>1 + snapRec(nx, ny, diam_2, offset, mid, level+1) + offset = mid + } + snapRec(nx, ny, diam_2, offset, nextOffset, level+1) + offset = nextOffset + } + } + } + snapRec(lox, loy, diam, 0, n, 0) + sortLevels(levels, points, ids, weights, n) + + var lod = [] + var lastLevel = 0 + var prevOffset = n + for(var ptr=n-1; ptr>=0; --ptr) { + points[2*ptr] = (points[2*ptr] - lox) * scaleX + points[2*ptr+1] = (points[2*ptr+1] - loy) * scaleY + + var level = levels[ptr] + if(level === lastLevel) { + continue + } + + lod.push(new SnapInterval( + diam * Math.pow(0.5, level), + ptr+1, + prevOffset - (ptr+1) + )) + prevOffset = ptr+1 + + lastLevel = level + } + + lod.push(new SnapInterval(diam * Math.pow(0.5, level+1), 0, prevOffset)) + + return lod +} },{"./lib/sort":533,"array-bounds":48}],535:[function(require,module,exports){ "use strict" @@ -88745,256 +88745,256 @@ var arcToBezier = function arcToBezier(_ref2) { exports.default = arcToBezier; module.exports = exports["default"]; },{}],542:[function(require,module,exports){ -'use strict' - -var parse = require('parse-svg-path') -var abs = require('abs-svg-path') -var normalize = require('normalize-svg-path') -var isSvgPath = require('is-svg-path') -var assert = require('assert') - -module.exports = pathBounds - - -function pathBounds(path) { - // ES6 string tpl call - if (Array.isArray(path) && path.length === 1 && typeof path[0] === 'string') path = path[0] - - // svg path string - if (typeof path === 'string') { - assert(isSvgPath(path), 'String is not an SVG path.') - path = parse(path) - } - - assert(Array.isArray(path), 'Argument should be a string or an array of path segments.') - - path = abs(path) - path = normalize(path) - - if (!path.length) return [0, 0, 0, 0] - - var bounds = [Infinity, Infinity, -Infinity, -Infinity] - - for (var i = 0, l = path.length; i < l; i++) { - var points = path[i].slice(1) - - for (var j = 0; j < points.length; j += 2) { - if (points[j + 0] < bounds[0]) bounds[0] = points[j + 0] - if (points[j + 1] < bounds[1]) bounds[1] = points[j + 1] - if (points[j + 0] > bounds[2]) bounds[2] = points[j + 0] - if (points[j + 1] > bounds[3]) bounds[3] = points[j + 1] - } - } - - return bounds -} +'use strict' + +var parse = require('parse-svg-path') +var abs = require('abs-svg-path') +var normalize = require('normalize-svg-path') +var isSvgPath = require('is-svg-path') +var assert = require('assert') + +module.exports = pathBounds + + +function pathBounds(path) { + // ES6 string tpl call + if (Array.isArray(path) && path.length === 1 && typeof path[0] === 'string') path = path[0] + + // svg path string + if (typeof path === 'string') { + assert(isSvgPath(path), 'String is not an SVG path.') + path = parse(path) + } + + assert(Array.isArray(path), 'Argument should be a string or an array of path segments.') + + path = abs(path) + path = normalize(path) + + if (!path.length) return [0, 0, 0, 0] + + var bounds = [Infinity, Infinity, -Infinity, -Infinity] + + for (var i = 0, l = path.length; i < l; i++) { + var points = path[i].slice(1) + + for (var j = 0; j < points.length; j += 2) { + if (points[j + 0] < bounds[0]) bounds[0] = points[j + 0] + if (points[j + 1] < bounds[1]) bounds[1] = points[j + 1] + if (points[j + 0] > bounds[2]) bounds[2] = points[j + 0] + if (points[j + 1] > bounds[3]) bounds[3] = points[j + 1] + } + } + + return bounds +} },{"abs-svg-path":43,"assert":51,"is-svg-path":287,"normalize-svg-path":543,"parse-svg-path":466}],543:[function(require,module,exports){ -'use strict' - -module.exports = normalize - -var arcToCurve = require('svg-arc-to-cubic-bezier') - -function normalize(path){ - // init state - var prev - var result = [] - var bezierX = 0 - var bezierY = 0 - var startX = 0 - var startY = 0 - var quadX = null - var quadY = null - var x = 0 - var y = 0 - - for (var i = 0, len = path.length; i < len; i++) { - var seg = path[i] - var command = seg[0] - - switch (command) { - case 'M': - startX = seg[1] - startY = seg[2] - break - case 'A': - var curves = arcToCurve({ - px: x, - py: y, - cx: seg[6], - cy: seg[7], - rx: seg[1], - ry: seg[2], - xAxisRotation: seg[3], - largeArcFlag: seg[4], - sweepFlag: seg[5] - }) - - // null-curves - if (!curves.length) continue - - for (var j = 0, c; j < curves.length; j++) { - c = curves[j] - seg = ['C', c.x1, c.y1, c.x2, c.y2, c.x, c.y] - if (j < curves.length - 1) result.push(seg) - } - - break - case 'S': - // default control point - var cx = x - var cy = y - if (prev == 'C' || prev == 'S') { - cx += cx - bezierX // reflect the previous command's control - cy += cy - bezierY // point relative to the current point - } - seg = ['C', cx, cy, seg[1], seg[2], seg[3], seg[4]] - break - case 'T': - if (prev == 'Q' || prev == 'T') { - quadX = x * 2 - quadX // as with 'S' reflect previous control point - quadY = y * 2 - quadY - } else { - quadX = x - quadY = y - } - seg = quadratic(x, y, quadX, quadY, seg[1], seg[2]) - break - case 'Q': - quadX = seg[1] - quadY = seg[2] - seg = quadratic(x, y, seg[1], seg[2], seg[3], seg[4]) - break - case 'L': - seg = line(x, y, seg[1], seg[2]) - break - case 'H': - seg = line(x, y, seg[1], y) - break - case 'V': - seg = line(x, y, x, seg[1]) - break - case 'Z': - seg = line(x, y, startX, startY) - break - } - - // update state - prev = command - x = seg[seg.length - 2] - y = seg[seg.length - 1] - if (seg.length > 4) { - bezierX = seg[seg.length - 4] - bezierY = seg[seg.length - 3] - } else { - bezierX = x - bezierY = y - } - result.push(seg) - } - - return result -} - -function line(x1, y1, x2, y2){ - return ['C', x1, y1, x2, y2, x2, y2] -} - -function quadratic(x1, y1, cx, cy, x2, y2){ - return [ - 'C', - x1/3 + (2/3) * cx, - y1/3 + (2/3) * cy, - x2/3 + (2/3) * cx, - y2/3 + (2/3) * cy, - x2, - y2 - ] -} +'use strict' + +module.exports = normalize + +var arcToCurve = require('svg-arc-to-cubic-bezier') + +function normalize(path){ + // init state + var prev + var result = [] + var bezierX = 0 + var bezierY = 0 + var startX = 0 + var startY = 0 + var quadX = null + var quadY = null + var x = 0 + var y = 0 + + for (var i = 0, len = path.length; i < len; i++) { + var seg = path[i] + var command = seg[0] + + switch (command) { + case 'M': + startX = seg[1] + startY = seg[2] + break + case 'A': + var curves = arcToCurve({ + px: x, + py: y, + cx: seg[6], + cy: seg[7], + rx: seg[1], + ry: seg[2], + xAxisRotation: seg[3], + largeArcFlag: seg[4], + sweepFlag: seg[5] + }) + + // null-curves + if (!curves.length) continue + + for (var j = 0, c; j < curves.length; j++) { + c = curves[j] + seg = ['C', c.x1, c.y1, c.x2, c.y2, c.x, c.y] + if (j < curves.length - 1) result.push(seg) + } + + break + case 'S': + // default control point + var cx = x + var cy = y + if (prev == 'C' || prev == 'S') { + cx += cx - bezierX // reflect the previous command's control + cy += cy - bezierY // point relative to the current point + } + seg = ['C', cx, cy, seg[1], seg[2], seg[3], seg[4]] + break + case 'T': + if (prev == 'Q' || prev == 'T') { + quadX = x * 2 - quadX // as with 'S' reflect previous control point + quadY = y * 2 - quadY + } else { + quadX = x + quadY = y + } + seg = quadratic(x, y, quadX, quadY, seg[1], seg[2]) + break + case 'Q': + quadX = seg[1] + quadY = seg[2] + seg = quadratic(x, y, seg[1], seg[2], seg[3], seg[4]) + break + case 'L': + seg = line(x, y, seg[1], seg[2]) + break + case 'H': + seg = line(x, y, seg[1], y) + break + case 'V': + seg = line(x, y, x, seg[1]) + break + case 'Z': + seg = line(x, y, startX, startY) + break + } + + // update state + prev = command + x = seg[seg.length - 2] + y = seg[seg.length - 1] + if (seg.length > 4) { + bezierX = seg[seg.length - 4] + bezierY = seg[seg.length - 3] + } else { + bezierX = x + bezierY = y + } + result.push(seg) + } + + return result +} + +function line(x1, y1, x2, y2){ + return ['C', x1, y1, x2, y2, x2, y2] +} + +function quadratic(x1, y1, cx, cy, x2, y2){ + return [ + 'C', + x1/3 + (2/3) * cx, + y1/3 + (2/3) * cy, + x2/3 + (2/3) * cx, + y2/3 + (2/3) * cy, + x2, + y2 + ] +} },{"svg-arc-to-cubic-bezier":541}],544:[function(require,module,exports){ (function (global){ -'use strict' - -var pathBounds = require('svg-path-bounds') -var parsePath = require('parse-svg-path') -var drawPath = require('draw-svg-path') -var isSvgPath = require('is-svg-path') -var bitmapSdf = require('bitmap-sdf') - -var canvas = document.createElement('canvas') -var ctx = canvas.getContext('2d') - - -module.exports = pathSdf - -function pathSdf (path, options) { - if (!isSvgPath(path)) throw Error('Argument should be valid svg path string') - - if (!options) options = {} - - var w, h - if (options.shape) { - w = options.shape[0] - h = options.shape[1] - } - else { - w = canvas.width = options.w || 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ctx.stroke() - } - - ctx.setTransform(1, 0, 0, 1, 0, 0); - - var data = bitmapSdf(ctx, { - cutoff: options.cutoff != null ? options.cutoff : .5, - radius: options.radius != null ? options.radius : size * .5 - }) - - return data -} +'use strict' + +var pathBounds = require('svg-path-bounds') +var parsePath = require('parse-svg-path') +var drawPath = require('draw-svg-path') +var isSvgPath = require('is-svg-path') +var bitmapSdf = require('bitmap-sdf') + +var canvas = document.createElement('canvas') +var ctx = canvas.getContext('2d') + + +module.exports = pathSdf + +function pathSdf (path, options) { + if (!isSvgPath(path)) throw Error('Argument should be valid svg path string') + + if (!options) options = {} + + var w, h + if (options.shape) { + w = options.shape[0] + h = options.shape[1] + } + else { + w = canvas.width = options.w || options.width || 200 + h = canvas.height = options.h || options.height || 200 + } + var size = Math.min(w, h) + + var stroke = options.stroke || 0 + + var viewbox = options.viewbox || options.viewBox || pathBounds(path) + var scale = [w / (viewbox[2] - viewbox[0]), h / (viewbox[3] - viewbox[1])] + var maxScale = Math.min(scale[0] || 0, scale[1] || 0) / 2 + + //clear ctx + ctx.fillStyle = 'black' + ctx.fillRect(0, 0, w, h) + + ctx.fillStyle = 'white' + + if (stroke) { + if (typeof stroke != 'number') stroke = 1 + if (stroke > 0) { + ctx.strokeStyle = 'white' + } + else { + ctx.strokeStyle = 'black' + } + + ctx.lineWidth = Math.abs(stroke) + } + + ctx.translate(w * .5, h * .5) + ctx.scale(maxScale, maxScale) + + //if canvas svg paths api is available + if (global.Path2D) { + var path2d = new Path2D(path) + ctx.fill(path2d) + stroke && ctx.stroke(path2d) + } + //fallback to bezier-curves + else { + var segments = parsePath(path) + drawPath(ctx, segments) + ctx.fill() + stroke && ctx.stroke() + } + + ctx.setTransform(1, 0, 0, 1, 0, 0); + + var data = bitmapSdf(ctx, { + cutoff: options.cutoff != null ? options.cutoff : .5, + radius: options.radius != null ? options.radius : size * .5 + }) + + return data +} }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"bitmap-sdf":72,"draw-svg-path":132,"is-svg-path":287,"parse-svg-path":466,"svg-path-bounds":542}],545:[function(require,module,exports){ @@ -90285,40 +90285,40 @@ else { })(Math); },{}],547:[function(require,module,exports){ -/* @module to-float32 */ - -'use strict' - -module.exports = float32 -module.exports.float32 = -module.exports.float = float32 -module.exports.fract32 = -module.exports.fract = fract32 - -// return fractional part of float32 array -function fract32 (arr) { - if (typeof arr === 'number') { - return float32(arr - float32(arr)) - } - - var fract = float32(arr) - for (var i = 0, l = fract.length; i < l; i++) { - fract[i] = arr[i] - fract[i] - } - return fract -} - -// make sure data is float32 array -function float32 (arr) { - if (arr instanceof 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0, l = mappers.length; i < l; i++) { + var dict = mappers[i] + for (var prop in dict) { + if (diff[prop] !== undefined && !Array.isArray(diff[prop]) && obj[prop] === diff[prop]) continue + + if (prop in diff) { + var result + + if (dict[prop] === true) result = diff[prop] + else if (dict[prop] === false) continue + else if (typeof dict[prop] === 'function') { + result = dict[prop](diff[prop], obj, diff) + if (result === undefined) continue + } + + obj[prop] = result + } + } + } + + return obj +} },{}],559:[function(require,module,exports){ // Copyright Joyent, Inc. and other Node contributors. diff --git a/dist/plotly.min.js b/dist/plotly.min.js index dab8338bf81..6b2b141bf9e 100644 --- a/dist/plotly.min.js +++ b/dist/plotly.min.js @@ -4,4 +4,4 @@ * All rights reserved. * Licensed under the MIT license */ -!function(t){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=t();else if("function"==typeof define&&define.amd)define([],t);else{("undefined"!=typeof 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a=0,o=0;o>26,this.words[o]=67108863&e;for(;0!==a&&o>26,this.words[o]=67108863&e;if(0===a&&o>>13,d=0|o[1],p=8191&d,m=d>>>13,g=0|o[2],v=8191&g,y=g>>>13,x=0|o[3],b=8191&x,_=x>>>13,w=0|o[4],M=8191&w,k=w>>>13,A=0|o[5],T=8191&A,S=A>>>13,E=0|o[6],L=8191&E,C=E>>>13,z=0|o[7],D=8191&z,I=z>>>13,P=0|o[8],O=8191&P,F=P>>>13,R=0|o[9],N=8191&R,j=R>>>13,B=0|s[0],U=8191&B,V=B>>>13,q=0|s[1],H=8191&q,G=q>>>13,Y=0|s[2],W=8191&Y,X=Y>>>13,Z=0|s[3],J=8191&Z,K=Z>>>13,Q=0|s[4],$=8191&Q,tt=Q>>>13,et=0|s[5],rt=8191&et,nt=et>>>13,it=0|s[6],at=8191&it,ot=it>>>13,st=0|s[7],lt=8191&st,ct=st>>>13,ut=0|s[8],ft=8191&ut,ht=ut>>>13,dt=0|s[9],pt=8191&dt,mt=dt>>>13;r.negative=t.negative^e.negative,r.length=19;var gt=(c+(n=Math.imul(f,U))|0)+((8191&(i=(i=Math.imul(f,V))+Math.imul(h,U)|0))<<13)|0;c=((a=Math.imul(h,V))+(i>>>13)|0)+(gt>>>26)|0,gt&=67108863,n=Math.imul(p,U),i=(i=Math.imul(p,V))+Math.imul(m,U)|0,a=Math.imul(m,V);var vt=(c+(n=n+Math.imul(f,H)|0)|0)+((8191&(i=(i=i+Math.imul(f,G)|0)+Math.imul(h,H)|0))<<13)|0;c=((a=a+Math.imul(h,G)|0)+(i>>>13)|0)+(vt>>>26)|0,vt&=67108863,n=Math.imul(v,U),i=(i=Math.imul(v,V))+Math.imul(y,U)|0,a=Math.imul(y,V),n=n+Math.imul(p,H)|0,i=(i=i+Math.imul(p,G)|0)+Math.imul(m,H)|0,a=a+Math.imul(m,G)|0;var yt=(c+(n=n+Math.imul(f,W)|0)|0)+((8191&(i=(i=i+Math.imul(f,X)|0)+Math.imul(h,W)|0))<<13)|0;c=((a=a+Math.imul(h,X)|0)+(i>>>13)|0)+(yt>>>26)|0,yt&=67108863,n=Math.imul(b,U),i=(i=Math.imul(b,V))+Math.imul(_,U)|0,a=Math.imul(_,V),n=n+Math.imul(v,H)|0,i=(i=i+Math.imul(v,G)|0)+Math.imul(y,H)|0,a=a+Math.imul(y,G)|0,n=n+Math.imul(p,W)|0,i=(i=i+Math.imul(p,X)|0)+Math.imul(m,W)|0,a=a+Math.imul(m,X)|0;var xt=(c+(n=n+Math.imul(f,J)|0)|0)+((8191&(i=(i=i+Math.imul(f,K)|0)+Math.imul(h,J)|0))<<13)|0;c=((a=a+Math.imul(h,K)|0)+(i>>>13)|0)+(xt>>>26)|0,xt&=67108863,n=Math.imul(M,U),i=(i=Math.imul(M,V))+Math.imul(k,U)|0,a=Math.imul(k,V),n=n+Math.imul(b,H)|0,i=(i=i+Math.imul(b,G)|0)+Math.imul(_,H)|0,a=a+Math.imul(_,G)|0,n=n+Math.imul(v,W)|0,i=(i=i+Math.imul(v,X)|0)+Math.imul(y,W)|0,a=a+Math.imul(y,X)|0,n=n+Math.imul(p,J)|0,i=(i=i+Math.imul(p,K)|0)+Math.imul(m,J)|0,a=a+Math.imul(m,K)|0;var bt=(c+(n=n+Math.imul(f,$)|0)|0)+((8191&(i=(i=i+Math.imul(f,tt)|0)+Math.imul(h,$)|0))<<13)|0;c=((a=a+Math.imul(h,tt)|0)+(i>>>13)|0)+(bt>>>26)|0,bt&=67108863,n=Math.imul(T,U),i=(i=Math.imul(T,V))+Math.imul(S,U)|0,a=Math.imul(S,V),n=n+Math.imul(M,H)|0,i=(i=i+Math.imul(M,G)|0)+Math.imul(k,H)|0,a=a+Math.imul(k,G)|0,n=n+Math.imul(b,W)|0,i=(i=i+Math.imul(b,X)|0)+Math.imul(_,W)|0,a=a+Math.imul(_,X)|0,n=n+Math.imul(v,J)|0,i=(i=i+Math.imul(v,K)|0)+Math.imul(y,J)|0,a=a+Math.imul(y,K)|0,n=n+Math.imul(p,$)|0,i=(i=i+Math.imul(p,tt)|0)+Math.imul(m,$)|0,a=a+Math.imul(m,tt)|0;var _t=(c+(n=n+Math.imul(f,rt)|0)|0)+((8191&(i=(i=i+Math.imul(f,nt)|0)+Math.imul(h,rt)|0))<<13)|0;c=((a=a+Math.imul(h,nt)|0)+(i>>>13)|0)+(_t>>>26)|0,_t&=67108863,n=Math.imul(L,U),i=(i=Math.imul(L,V))+Math.imul(C,U)|0,a=Math.imul(C,V),n=n+Math.imul(T,H)|0,i=(i=i+Math.imul(T,G)|0)+Math.imul(S,H)|0,a=a+Math.imul(S,G)|0,n=n+Math.imul(M,W)|0,i=(i=i+Math.imul(M,X)|0)+Math.imul(k,W)|0,a=a+Math.imul(k,X)|0,n=n+Math.imul(b,J)|0,i=(i=i+Math.imul(b,K)|0)+Math.imul(_,J)|0,a=a+Math.imul(_,K)|0,n=n+Math.imul(v,$)|0,i=(i=i+Math.imul(v,tt)|0)+Math.imul(y,$)|0,a=a+Math.imul(y,tt)|0,n=n+Math.imul(p,rt)|0,i=(i=i+Math.imul(p,nt)|0)+Math.imul(m,rt)|0,a=a+Math.imul(m,nt)|0;var wt=(c+(n=n+Math.imul(f,at)|0)|0)+((8191&(i=(i=i+Math.imul(f,ot)|0)+Math.imul(h,at)|0))<<13)|0;c=((a=a+Math.imul(h,ot)|0)+(i>>>13)|0)+(wt>>>26)|0,wt&=67108863,n=Math.imul(D,U),i=(i=Math.imul(D,V))+Math.imul(I,U)|0,a=Math.imul(I,V),n=n+Math.imul(L,H)|0,i=(i=i+Math.imul(L,G)|0)+Math.imul(C,H)|0,a=a+Math.imul(C,G)|0,n=n+Math.imul(T,W)|0,i=(i=i+Math.imul(T,X)|0)+Math.imul(S,W)|0,a=a+Math.imul(S,X)|0,n=n+Math.imul(M,J)|0,i=(i=i+Math.imul(M,K)|0)+Math.imul(k,J)|0,a=a+Math.imul(k,K)|0,n=n+Math.imul(b,$)|0,i=(i=i+Math.imul(b,tt)|0)+Math.imul(_,$)|0,a=a+Math.imul(_,tt)|0,n=n+Math.imul(v,rt)|0,i=(i=i+Math.imul(v,nt)|0)+Math.imul(y,rt)|0,a=a+Math.imul(y,nt)|0,n=n+Math.imul(p,at)|0,i=(i=i+Math.imul(p,ot)|0)+Math.imul(m,at)|0,a=a+Math.imul(m,ot)|0;var Mt=(c+(n=n+Math.imul(f,lt)|0)|0)+((8191&(i=(i=i+Math.imul(f,ct)|0)+Math.imul(h,lt)|0))<<13)|0;c=((a=a+Math.imul(h,ct)|0)+(i>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,n=Math.imul(O,U),i=(i=Math.imul(O,V))+Math.imul(F,U)|0,a=Math.imul(F,V),n=n+Math.imul(D,H)|0,i=(i=i+Math.imul(D,G)|0)+Math.imul(I,H)|0,a=a+Math.imul(I,G)|0,n=n+Math.imul(L,W)|0,i=(i=i+Math.imul(L,X)|0)+Math.imul(C,W)|0,a=a+Math.imul(C,X)|0,n=n+Math.imul(T,J)|0,i=(i=i+Math.imul(T,K)|0)+Math.imul(S,J)|0,a=a+Math.imul(S,K)|0,n=n+Math.imul(M,$)|0,i=(i=i+Math.imul(M,tt)|0)+Math.imul(k,$)|0,a=a+Math.imul(k,tt)|0,n=n+Math.imul(b,rt)|0,i=(i=i+Math.imul(b,nt)|0)+Math.imul(_,rt)|0,a=a+Math.imul(_,nt)|0,n=n+Math.imul(v,at)|0,i=(i=i+Math.imul(v,ot)|0)+Math.imul(y,at)|0,a=a+Math.imul(y,ot)|0,n=n+Math.imul(p,lt)|0,i=(i=i+Math.imul(p,ct)|0)+Math.imul(m,lt)|0,a=a+Math.imul(m,ct)|0;var kt=(c+(n=n+Math.imul(f,ft)|0)|0)+((8191&(i=(i=i+Math.imul(f,ht)|0)+Math.imul(h,ft)|0))<<13)|0;c=((a=a+Math.imul(h,ht)|0)+(i>>>13)|0)+(kt>>>26)|0,kt&=67108863,n=Math.imul(N,U),i=(i=Math.imul(N,V))+Math.imul(j,U)|0,a=Math.imul(j,V),n=n+Math.imul(O,H)|0,i=(i=i+Math.imul(O,G)|0)+Math.imul(F,H)|0,a=a+Math.imul(F,G)|0,n=n+Math.imul(D,W)|0,i=(i=i+Math.imul(D,X)|0)+Math.imul(I,W)|0,a=a+Math.imul(I,X)|0,n=n+Math.imul(L,J)|0,i=(i=i+Math.imul(L,K)|0)+Math.imul(C,J)|0,a=a+Math.imul(C,K)|0,n=n+Math.imul(T,$)|0,i=(i=i+Math.imul(T,tt)|0)+Math.imul(S,$)|0,a=a+Math.imul(S,tt)|0,n=n+Math.imul(M,rt)|0,i=(i=i+Math.imul(M,nt)|0)+Math.imul(k,rt)|0,a=a+Math.imul(k,nt)|0,n=n+Math.imul(b,at)|0,i=(i=i+Math.imul(b,ot)|0)+Math.imul(_,at)|0,a=a+Math.imul(_,ot)|0,n=n+Math.imul(v,lt)|0,i=(i=i+Math.imul(v,ct)|0)+Math.imul(y,lt)|0,a=a+Math.imul(y,ct)|0,n=n+Math.imul(p,ft)|0,i=(i=i+Math.imul(p,ht)|0)+Math.imul(m,ft)|0,a=a+Math.imul(m,ht)|0;var At=(c+(n=n+Math.imul(f,pt)|0)|0)+((8191&(i=(i=i+Math.imul(f,mt)|0)+Math.imul(h,pt)|0))<<13)|0;c=((a=a+Math.imul(h,mt)|0)+(i>>>13)|0)+(At>>>26)|0,At&=67108863,n=Math.imul(N,H),i=(i=Math.imul(N,G))+Math.imul(j,H)|0,a=Math.imul(j,G),n=n+Math.imul(O,W)|0,i=(i=i+Math.imul(O,X)|0)+Math.imul(F,W)|0,a=a+Math.imul(F,X)|0,n=n+Math.imul(D,J)|0,i=(i=i+Math.imul(D,K)|0)+Math.imul(I,J)|0,a=a+Math.imul(I,K)|0,n=n+Math.imul(L,$)|0,i=(i=i+Math.imul(L,tt)|0)+Math.imul(C,$)|0,a=a+Math.imul(C,tt)|0,n=n+Math.imul(T,rt)|0,i=(i=i+Math.imul(T,nt)|0)+Math.imul(S,rt)|0,a=a+Math.imul(S,nt)|0,n=n+Math.imul(M,at)|0,i=(i=i+Math.imul(M,ot)|0)+Math.imul(k,at)|0,a=a+Math.imul(k,ot)|0,n=n+Math.imul(b,lt)|0,i=(i=i+Math.imul(b,ct)|0)+Math.imul(_,lt)|0,a=a+Math.imul(_,ct)|0,n=n+Math.imul(v,ft)|0,i=(i=i+Math.imul(v,ht)|0)+Math.imul(y,ft)|0,a=a+Math.imul(y,ht)|0;var Tt=(c+(n=n+Math.imul(p,pt)|0)|0)+((8191&(i=(i=i+Math.imul(p,mt)|0)+Math.imul(m,pt)|0))<<13)|0;c=((a=a+Math.imul(m,mt)|0)+(i>>>13)|0)+(Tt>>>26)|0,Tt&=67108863,n=Math.imul(N,W),i=(i=Math.imul(N,X))+Math.imul(j,W)|0,a=Math.imul(j,X),n=n+Math.imul(O,J)|0,i=(i=i+Math.imul(O,K)|0)+Math.imul(F,J)|0,a=a+Math.imul(F,K)|0,n=n+Math.imul(D,$)|0,i=(i=i+Math.imul(D,tt)|0)+Math.imul(I,$)|0,a=a+Math.imul(I,tt)|0,n=n+Math.imul(L,rt)|0,i=(i=i+Math.imul(L,nt)|0)+Math.imul(C,rt)|0,a=a+Math.imul(C,nt)|0,n=n+Math.imul(T,at)|0,i=(i=i+Math.imul(T,ot)|0)+Math.imul(S,at)|0,a=a+Math.imul(S,ot)|0,n=n+Math.imul(M,lt)|0,i=(i=i+Math.imul(M,ct)|0)+Math.imul(k,lt)|0,a=a+Math.imul(k,ct)|0,n=n+Math.imul(b,ft)|0,i=(i=i+Math.imul(b,ht)|0)+Math.imul(_,ft)|0,a=a+Math.imul(_,ht)|0;var St=(c+(n=n+Math.imul(v,pt)|0)|0)+((8191&(i=(i=i+Math.imul(v,mt)|0)+Math.imul(y,pt)|0))<<13)|0;c=((a=a+Math.imul(y,mt)|0)+(i>>>13)|0)+(St>>>26)|0,St&=67108863,n=Math.imul(N,J),i=(i=Math.imul(N,K))+Math.imul(j,J)|0,a=Math.imul(j,K),n=n+Math.imul(O,$)|0,i=(i=i+Math.imul(O,tt)|0)+Math.imul(F,$)|0,a=a+Math.imul(F,tt)|0,n=n+Math.imul(D,rt)|0,i=(i=i+Math.imul(D,nt)|0)+Math.imul(I,rt)|0,a=a+Math.imul(I,nt)|0,n=n+Math.imul(L,at)|0,i=(i=i+Math.imul(L,ot)|0)+Math.imul(C,at)|0,a=a+Math.imul(C,ot)|0,n=n+Math.imul(T,lt)|0,i=(i=i+Math.imul(T,ct)|0)+Math.imul(S,lt)|0,a=a+Math.imul(S,ct)|0,n=n+Math.imul(M,ft)|0,i=(i=i+Math.imul(M,ht)|0)+Math.imul(k,ft)|0,a=a+Math.imul(k,ht)|0;var Et=(c+(n=n+Math.imul(b,pt)|0)|0)+((8191&(i=(i=i+Math.imul(b,mt)|0)+Math.imul(_,pt)|0))<<13)|0;c=((a=a+Math.imul(_,mt)|0)+(i>>>13)|0)+(Et>>>26)|0,Et&=67108863,n=Math.imul(N,$),i=(i=Math.imul(N,tt))+Math.imul(j,$)|0,a=Math.imul(j,tt),n=n+Math.imul(O,rt)|0,i=(i=i+Math.imul(O,nt)|0)+Math.imul(F,rt)|0,a=a+Math.imul(F,nt)|0,n=n+Math.imul(D,at)|0,i=(i=i+Math.imul(D,ot)|0)+Math.imul(I,at)|0,a=a+Math.imul(I,ot)|0,n=n+Math.imul(L,lt)|0,i=(i=i+Math.imul(L,ct)|0)+Math.imul(C,lt)|0,a=a+Math.imul(C,ct)|0,n=n+Math.imul(T,ft)|0,i=(i=i+Math.imul(T,ht)|0)+Math.imul(S,ft)|0,a=a+Math.imul(S,ht)|0;var Lt=(c+(n=n+Math.imul(M,pt)|0)|0)+((8191&(i=(i=i+Math.imul(M,mt)|0)+Math.imul(k,pt)|0))<<13)|0;c=((a=a+Math.imul(k,mt)|0)+(i>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,n=Math.imul(N,rt),i=(i=Math.imul(N,nt))+Math.imul(j,rt)|0,a=Math.imul(j,nt),n=n+Math.imul(O,at)|0,i=(i=i+Math.imul(O,ot)|0)+Math.imul(F,at)|0,a=a+Math.imul(F,ot)|0,n=n+Math.imul(D,lt)|0,i=(i=i+Math.imul(D,ct)|0)+Math.imul(I,lt)|0,a=a+Math.imul(I,ct)|0,n=n+Math.imul(L,ft)|0,i=(i=i+Math.imul(L,ht)|0)+Math.imul(C,ft)|0,a=a+Math.imul(C,ht)|0;var Ct=(c+(n=n+Math.imul(T,pt)|0)|0)+((8191&(i=(i=i+Math.imul(T,mt)|0)+Math.imul(S,pt)|0))<<13)|0;c=((a=a+Math.imul(S,mt)|0)+(i>>>13)|0)+(Ct>>>26)|0,Ct&=67108863,n=Math.imul(N,at),i=(i=Math.imul(N,ot))+Math.imul(j,at)|0,a=Math.imul(j,ot),n=n+Math.imul(O,lt)|0,i=(i=i+Math.imul(O,ct)|0)+Math.imul(F,lt)|0,a=a+Math.imul(F,ct)|0,n=n+Math.imul(D,ft)|0,i=(i=i+Math.imul(D,ht)|0)+Math.imul(I,ft)|0,a=a+Math.imul(I,ht)|0;var zt=(c+(n=n+Math.imul(L,pt)|0)|0)+((8191&(i=(i=i+Math.imul(L,mt)|0)+Math.imul(C,pt)|0))<<13)|0;c=((a=a+Math.imul(C,mt)|0)+(i>>>13)|0)+(zt>>>26)|0,zt&=67108863,n=Math.imul(N,lt),i=(i=Math.imul(N,ct))+Math.imul(j,lt)|0,a=Math.imul(j,ct),n=n+Math.imul(O,ft)|0,i=(i=i+Math.imul(O,ht)|0)+Math.imul(F,ft)|0,a=a+Math.imul(F,ht)|0;var Dt=(c+(n=n+Math.imul(D,pt)|0)|0)+((8191&(i=(i=i+Math.imul(D,mt)|0)+Math.imul(I,pt)|0))<<13)|0;c=((a=a+Math.imul(I,mt)|0)+(i>>>13)|0)+(Dt>>>26)|0,Dt&=67108863,n=Math.imul(N,ft),i=(i=Math.imul(N,ht))+Math.imul(j,ft)|0,a=Math.imul(j,ht);var It=(c+(n=n+Math.imul(O,pt)|0)|0)+((8191&(i=(i=i+Math.imul(O,mt)|0)+Math.imul(F,pt)|0))<<13)|0;c=((a=a+Math.imul(F,mt)|0)+(i>>>13)|0)+(It>>>26)|0,It&=67108863;var Pt=(c+(n=Math.imul(N,pt))|0)+((8191&(i=(i=Math.imul(N,mt))+Math.imul(j,pt)|0))<<13)|0;return c=((a=Math.imul(j,mt))+(i>>>13)|0)+(Pt>>>26)|0,Pt&=67108863,l[0]=gt,l[1]=vt,l[2]=yt,l[3]=xt,l[4]=bt,l[5]=_t,l[6]=wt,l[7]=Mt,l[8]=kt,l[9]=At,l[10]=Tt,l[11]=St,l[12]=Et,l[13]=Lt,l[14]=Ct,l[15]=zt,l[16]=Dt,l[17]=It,l[18]=Pt,0!==c&&(l[19]=c,r.length++),r};Math.imul||(w=l),a.prototype.mulTo=function(t,e){var r=this.length+t.length;return 10===this.length&&10===t.length?w(this,t,e):r<63?l(this,t,e):r<1024?function(t,e,r){r.negative=e.negative^t.negative,r.length=t.length+e.length;for(var n=0,i=0,a=0;a>>26)|0)>>>26,o&=67108863}r.words[a]=s,n=o,o=i}return 0!==n?r.words[a]=n:r.length--,r.strip()}(this,t,e):c(this,t,e)},u.prototype.makeRBT=function(t){for(var e=new Array(t),r=a.prototype._countBits(t)-1,n=0;n>=1;return n},u.prototype.permute=function(t,e,r,n,i,a){for(var o=0;o>>=1)i++;return 1<>>=13,r[2*o+1]=8191&a,a>>>=13;for(o=2*e;o>=26,e+=i/67108864|0,e+=a>>>26,this.words[r]=67108863&a}return 0!==e&&(this.words[r]=e,this.length++),this},a.prototype.muln=function(t){return this.clone().imuln(t)},a.prototype.sqr=function(){return this.mul(this)},a.prototype.isqr=function(){return this.imul(this.clone())},a.prototype.pow=function(t){var e=function(t){for(var e=new Array(t.bitLength()),r=0;r>>i}return e}(t);if(0===e.length)return new a(1);for(var r=this,n=0;n=0);var e,r=t%26,i=(t-r)/26,a=67108863>>>26-r<<26-r;if(0!==r){var o=0;for(e=0;e>>26-r}o&&(this.words[e]=o,this.length++)}if(0!==i){for(e=this.length-1;e>=0;e--)this.words[e+i]=this.words[e];for(e=0;e=0);var i;i=e?(e-e%26)/26:0;var a=t%26,o=Math.min((t-a)/26,this.length),s=67108863^67108863>>>a<o)for(this.length-=o,c=0;c=0&&(0!==u||c>=i);c--){var f=0|this.words[c];this.words[c]=u<<26-a|f>>>a,u=f&s}return l&&0!==u&&(l.words[l.length++]=u),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},a.prototype.ishrn=function(t,e,r){return n(0===this.negative),this.iushrn(t,e,r)},a.prototype.shln=function(t){return this.clone().ishln(t)},a.prototype.ushln=function(t){return this.clone().iushln(t)},a.prototype.shrn=function(t){return this.clone().ishrn(t)},a.prototype.ushrn=function(t){return this.clone().iushrn(t)},a.prototype.testn=function(t){n("number"==typeof t&&t>=0);var e=t%26,r=(t-e)/26,i=1<=0);var e=t%26,r=(t-e)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==e&&r++,this.length=Math.min(r,this.length),0!==e){var i=67108863^67108863>>>e<=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},a.prototype.isubn=function(t){if(n("number"==typeof t),n(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e>26)-(l/67108864|0),this.words[i+r]=67108863&o}for(;i>26,this.words[i+r]=67108863&o;if(0===s)return this.strip();for(n(-1===s),s=0,i=0;i>26,this.words[i]=67108863&o;return this.negative=1,this.strip()},a.prototype._wordDiv=function(t,e){var r=this.length-t.length,n=this.clone(),i=t,o=0|i.words[i.length-1];0!==(r=26-this._countBits(o))&&(i=i.ushln(r),n.iushln(r),o=0|i.words[i.length-1]);var s,l=n.length-i.length;if("mod"!==e){(s=new a(null)).length=l+1,s.words=new Array(s.length);for(var c=0;c=0;f--){var h=67108864*(0|n.words[i.length+f])+(0|n.words[i.length+f-1]);for(h=Math.min(h/o|0,67108863),n._ishlnsubmul(i,h,f);0!==n.negative;)h--,n.negative=0,n._ishlnsubmul(i,1,f),n.isZero()||(n.negative^=1);s&&(s.words[f]=h)}return s&&s.strip(),n.strip(),"div"!==e&&0!==r&&n.iushrn(r),{div:s||null,mod:n}},a.prototype.divmod=function(t,e,r){if(n(!t.isZero()),this.isZero())return{div:new a(0),mod:new a(0)};var i,o,s;return 0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(i=s.div.neg()),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:i,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(i=s.div.neg()),{div:i,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new a(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new a(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new a(this.modn(t.words[0]))}:this._wordDiv(t,e)},a.prototype.div=function(t){return this.divmod(t,"div",!1).div},a.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},a.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},a.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var r=0!==e.div.negative?e.mod.isub(t):e.mod,n=t.ushrn(1),i=t.andln(1),a=r.cmp(n);return a<0||1===i&&0===a?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},a.prototype.modn=function(t){n(t<=67108863);for(var e=(1<<26)%t,r=0,i=this.length-1;i>=0;i--)r=(e*r+(0|this.words[i]))%t;return r},a.prototype.idivn=function(t){n(t<=67108863);for(var e=0,r=this.length-1;r>=0;r--){var i=(0|this.words[r])+67108864*e;this.words[r]=i/t|0,e=i%t}return this.strip()},a.prototype.divn=function(t){return this.clone().idivn(t)},a.prototype.egcd=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=new a(0),l=new a(1),c=0;e.isEven()&&r.isEven();)e.iushrn(1),r.iushrn(1),++c;for(var u=r.clone(),f=e.clone();!e.isZero();){for(var h=0,d=1;0==(e.words[0]&d)&&h<26;++h,d<<=1);if(h>0)for(e.iushrn(h);h-- >0;)(i.isOdd()||o.isOdd())&&(i.iadd(u),o.isub(f)),i.iushrn(1),o.iushrn(1);for(var p=0,m=1;0==(r.words[0]&m)&&p<26;++p,m<<=1);if(p>0)for(r.iushrn(p);p-- >0;)(s.isOdd()||l.isOdd())&&(s.iadd(u),l.isub(f)),s.iushrn(1),l.iushrn(1);e.cmp(r)>=0?(e.isub(r),i.isub(s),o.isub(l)):(r.isub(e),s.isub(i),l.isub(o))}return{a:s,b:l,gcd:r.iushln(c)}},a.prototype._invmp=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=r.clone();e.cmpn(1)>0&&r.cmpn(1)>0;){for(var l=0,c=1;0==(e.words[0]&c)&&l<26;++l,c<<=1);if(l>0)for(e.iushrn(l);l-- >0;)i.isOdd()&&i.iadd(s),i.iushrn(1);for(var u=0,f=1;0==(r.words[0]&f)&&u<26;++u,f<<=1);if(u>0)for(r.iushrn(u);u-- >0;)o.isOdd()&&o.iadd(s),o.iushrn(1);e.cmp(r)>=0?(e.isub(r),i.isub(o)):(r.isub(e),o.isub(i))}var h;return(h=0===e.cmpn(1)?i:o).cmpn(0)<0&&h.iadd(t),h},a.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var e=this.clone(),r=t.clone();e.negative=0,r.negative=0;for(var n=0;e.isEven()&&r.isEven();n++)e.iushrn(1),r.iushrn(1);for(;;){for(;e.isEven();)e.iushrn(1);for(;r.isEven();)r.iushrn(1);var i=e.cmp(r);if(i<0){var a=e;e=r,r=a}else if(0===i||0===r.cmpn(1))break;e.isub(r)}return r.iushln(n)},a.prototype.invm=function(t){return this.egcd(t).a.umod(t)},a.prototype.isEven=function(){return 0==(1&this.words[0])},a.prototype.isOdd=function(){return 1==(1&this.words[0])},a.prototype.andln=function(t){return this.words[0]&t},a.prototype.bincn=function(t){n("number"==typeof t);var e=t%26,r=(t-e)/26,i=1<>>26,s&=67108863,this.words[o]=s}return 0!==a&&(this.words[o]=a,this.length++),this},a.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},a.prototype.cmpn=function(t){var e=t<0;if(0!==this.negative&&!e)return-1;if(0===this.negative&&e)return 1;this.strip();var r;if(this.length>1)r=1;else{e&&(t=-t),n(t<=67108863,"Number is too big");var i=0|this.words[0];r=i===t?0:it.length)return 1;if(this.length=0;r--){var n=0|this.words[r],i=0|t.words[r];if(n!==i){ni&&(e=1);break}}return e},a.prototype.gtn=function(t){return 1===this.cmpn(t)},a.prototype.gt=function(t){return 1===this.cmp(t)},a.prototype.gten=function(t){return this.cmpn(t)>=0},a.prototype.gte=function(t){return this.cmp(t)>=0},a.prototype.ltn=function(t){return-1===this.cmpn(t)},a.prototype.lt=function(t){return-1===this.cmp(t)},a.prototype.lten=function(t){return this.cmpn(t)<=0},a.prototype.lte=function(t){return this.cmp(t)<=0},a.prototype.eqn=function(t){return 0===this.cmpn(t)},a.prototype.eq=function(t){return 0===this.cmp(t)},a.red=function(t){return new g(t)},a.prototype.toRed=function(t){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),t.convertTo(this)._forceRed(t)},a.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},a.prototype._forceRed=function(t){return this.red=t,this},a.prototype.forceRed=function(t){return n(!this.red,"Already a number in reduction context"),this._forceRed(t)},a.prototype.redAdd=function(t){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,t)},a.prototype.redIAdd=function(t){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,t)},a.prototype.redSub=function(t){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,t)},a.prototype.redISub=function(t){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,t)},a.prototype.redShl=function(t){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,t)},a.prototype.redMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.mul(this,t)},a.prototype.redIMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.imul(this,t)},a.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},a.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},a.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},a.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},a.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},a.prototype.redPow=function(t){return n(this.red&&!t.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,t)};var M={k256:null,p224:null,p192:null,p25519:null};f.prototype._tmp=function(){var t=new a(null);return t.words=new Array(Math.ceil(this.n/13)),t},f.prototype.ireduce=function(t){var e,r=t;do{this.split(r,this.tmp),e=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength()}while(e>this.n);var n=e0?r.isub(this.p):r.strip(),r},f.prototype.split=function(t,e){t.iushrn(this.n,0,e)},f.prototype.imulK=function(t){return t.imul(this.k)},i(h,f),h.prototype.split=function(t,e){for(var r=Math.min(t.length,9),n=0;n>>22,i=a}i>>>=22,t.words[n-10]=i,0===i&&t.length>10?t.length-=10:t.length-=9},h.prototype.imulK=function(t){t.words[t.length]=0,t.words[t.length+1]=0,t.length+=2;for(var e=0,r=0;r>>=26,t.words[r]=i,e=n}return 0!==e&&(t.words[t.length++]=e),t},a._prime=function(t){if(M[t])return M[t];var e;if("k256"===t)e=new h;else if("p224"===t)e=new d;else if("p192"===t)e=new p;else{if("p25519"!==t)throw new Error("Unknown prime "+t);e=new m}return M[t]=e,e},g.prototype._verify1=function(t){n(0===t.negative,"red works only with positives"),n(t.red,"red works only with red numbers")},g.prototype._verify2=function(t,e){n(0==(t.negative|e.negative),"red works only with positives"),n(t.red&&t.red===e.red,"red works only with red numbers")},g.prototype.imod=function(t){return this.prime?this.prime.ireduce(t)._forceRed(this):t.umod(this.m)._forceRed(this)},g.prototype.neg=function(t){return t.isZero()?t.clone():this.m.sub(t)._forceRed(this)},g.prototype.add=function(t,e){this._verify2(t,e);var r=t.add(e);return r.cmp(this.m)>=0&&r.isub(this.m),r._forceRed(this)},g.prototype.iadd=function(t,e){this._verify2(t,e);var r=t.iadd(e);return r.cmp(this.m)>=0&&r.isub(this.m),r},g.prototype.sub=function(t,e){this._verify2(t,e);var r=t.sub(e);return r.cmpn(0)<0&&r.iadd(this.m),r._forceRed(this)},g.prototype.isub=function(t,e){this._verify2(t,e);var r=t.isub(e);return r.cmpn(0)<0&&r.iadd(this.m),r},g.prototype.shl=function(t,e){return this._verify1(t),this.imod(t.ushln(e))},g.prototype.imul=function(t,e){return this._verify2(t,e),this.imod(t.imul(e))},g.prototype.mul=function(t,e){return this._verify2(t,e),this.imod(t.mul(e))},g.prototype.isqr=function(t){return this.imul(t,t.clone())},g.prototype.sqr=function(t){return this.mul(t,t)},g.prototype.sqrt=function(t){if(t.isZero())return t.clone();var e=this.m.andln(3);if(n(e%2==1),3===e){var r=this.m.add(new a(1)).iushrn(2);return this.pow(t,r)}for(var i=this.m.subn(1),o=0;!i.isZero()&&0===i.andln(1);)o++,i.iushrn(1);n(!i.isZero());var s=new a(1).toRed(this),l=s.redNeg(),c=this.m.subn(1).iushrn(1),u=this.m.bitLength();for(u=new a(2*u*u).toRed(this);0!==this.pow(u,c).cmp(l);)u.redIAdd(l);for(var f=this.pow(u,i),h=this.pow(t,i.addn(1).iushrn(1)),d=this.pow(t,i),p=o;0!==d.cmp(s);){for(var m=d,g=0;0!==m.cmp(s);g++)m=m.redSqr();n(g=0;n--){for(var c=e.words[n],u=l-1;u>=0;u--){var f=c>>u&1;i!==r[0]&&(i=this.sqr(i)),0!==f||0!==o?(o<<=1,o|=f,(4===++s||0===n&&0===u)&&(i=this.mul(i,r[o]),s=0,o=0)):s=0}l=26}return i},g.prototype.convertTo=function(t){var e=t.umod(this.m);return e===t?e.clone():e},g.prototype.convertFrom=function(t){var e=t.clone();return e.red=null,e},a.mont=function(t){return new 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M,k,A,T,S,E,L=.5*p.buffer/p.extent,C=.5-L,z=.5+L,D=1+L;M=k=A=T=null,S=u(t,v,r-L,r+z,0,a,x.min[0],x.max[0]),E=u(t,v,r+C,r+D,0,a,x.min[0],x.max[0]),S&&(M=u(S,v,n-L,n+z,1,o,x.min[1],x.max[1]),k=u(S,v,n+C,n+D,1,o,x.min[1],x.max[1])),E&&(A=u(E,v,n-L,n+z,1,o,x.min[1],x.max[1]),T=u(E,v,n+C,n+D,1,o,x.min[1],x.max[1])),m>1&&console.timeEnd("clipping"),t.length&&(d.push(M||[],e+1,2*r,2*n),d.push(k||[],e+1,2*r,2*n+1),d.push(A||[],e+1,2*r+1,2*n),d.push(T||[],e+1,2*r+1,2*n+1))}else l&&(g=e)}return g},n.prototype.getTile=function(t,e,r){var n=this.options,a=n.extent,o=n.debug,l=1<1&&console.log("drilling down to z%d-%d-%d",t,e,r);for(var f,h=t,d=e,p=r;!f&&h>0;)h--,d=Math.floor(d/2),p=Math.floor(p/2),f=this.tiles[i(h,d,p)];if(!f||!f.source)return null;if(o>1&&console.log("found parent tile z%d-%d-%d",h,d,p),s(f,a,n.buffer))return c.tile(f,a);o>1&&console.time("drilling down");var m=this.splitTile(f.source,h,d,p,t,e,r);if(o>1&&console.timeEnd("drilling down"),null!==m){var g=1<1?(n=a,i=o):f>0&&(n+=c*f,i+=u*f)}return c=s-n,u=l-i,c*c+u*u}(t[r],t[s],t[l]))>n&&(a=r,n=i);n>o?(t[a][2]=n,c.push(s),c.push(a),s=a):(l=c.pop(),s=c.pop())}}},{}],153:[function(t,e,r){"use strict";e.exports=function(t,e,r,n,i,a){for(var o={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:n,z2:e,transformed:!1,min:[2,1],max:[-1,0]},s=0;sf)&&(h.push(s),t.numSimplified++),t.numPoints++;3===c&&function(t,e){(function(t){for(var e,r,n=0,i=0,a=t.length,o=a-1;io.max[0]&&(o.max[0]=c[0]),c[1]>o.max[1]&&(o.max[1]=c[1])}return o}},{}],154:[function(t,e,r){"use strict";function n(t,e,r,n,i){return[Math.round(e*(t[0]*r-n)),Math.round(e*(t[1]*r-i))]}r.tile=function(t,e){if(t.transformed)return t;var r,i,a,o=t.z2,s=t.x,l=t.y;for(r=0;r0?(d[u]=-1,p[u]=0):(d[u]=0,p[u]=1)}}e.exports=function(t,e){var r=new i(t);return r.update(e),r};var s=t("./lib/text.js"),l=t("./lib/lines.js"),c=t("./lib/background.js"),u=t("./lib/cube.js"),f=t("./lib/ticks.js"),h=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),d=i.prototype;d.update=function(t){function e(e,r,n){if(n in t){var i,a=t[n],o=this[n];(e?Array.isArray(a)&&Array.isArray(a[0]):Array.isArray(a))?this[n]=i=[r(a[0]),r(a[1]),r(a[2])]:this[n]=i=[r(a),r(a),r(a)];for(var s=0;s<3;++s)if(i[s]!==o[s])return!0}return!1}t=t||{};var r,n=e.bind(this,!1,Number),i=e.bind(this,!1,Boolean),a=e.bind(this,!1,String),o=e.bind(this,!0,function(t){if(Array.isArray(t)){if(3===t.length)return[+t[0],+t[1],+t[2],1];if(4===t.length)return[+t[0],+t[1],+t[2],+t[3]]}return[0,0,0,1]}),c=!1,u=!1;if("bounds"in t)for(var h=t.bounds,d=0;d<2;++d)for(var p=0;p<3;++p)h[d][p]!==this.bounds[d][p]&&(u=!0),this.bounds[d][p]=h[d][p];if("ticks"in t){r=t.ticks,c=!0,this.autoTicks=!1;for(d=0;d<3;++d)this.tickSpacing[d]=0}else n("tickSpacing")&&(this.autoTicks=!0,u=!0);if(this._firstInit&&("ticks"in t||"tickSpacing"in t||(this.autoTicks=!0),u=!0,c=!0,this._firstInit=!1),u&&this.autoTicks&&(r=f.create(this.bounds,this.tickSpacing),c=!0),c){for(d=0;d<3;++d)r[d].sort(function(t,e){return t.x-e.x});f.equal(r,this.ticks)?c=!1:this.ticks=r}i("tickEnable"),a("tickFont")&&(c=!0),n("tickSize"),n("tickAngle"),n("tickPad"),o("tickColor");var m=a("labels");a("labelFont")&&(m=!0),i("labelEnable"),n("labelSize"),n("labelPad"),o("labelColor"),i("lineEnable"),i("lineMirror"),n("lineWidth"),o("lineColor"),i("lineTickEnable"),i("lineTickMirror"),n("lineTickLength"),n("lineTickWidth"),o("lineTickColor"),i("gridEnable"),n("gridWidth"),o("gridColor"),i("zeroEnable"),o("zeroLineColor"),n("zeroLineWidth"),i("backgroundEnable"),o("backgroundColor"),this._text?this._text&&(m||c)&&this._text.update(this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont):this._text=s(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont),this._lines&&c&&(this._lines.dispose(),this._lines=null),this._lines||(this._lines=l(this.gl,this.bounds,this.ticks))};var p=[new a,new a,new a],m=[0,0,0],g={model:h,view:h,projection:h};d.isOpaque=function(){return!0},d.isTransparent=function(){return!1},d.drawTransparent=function(t){};var v=[0,0,0],y=[0,0,0],x=[0,0,0];d.draw=function(t){t=t||g;for(var e=this.gl,r=t.model||h,i=t.view||h,a=t.projection||h,s=this.bounds,l=u(r,i,a,s),c=l.cubeEdges,f=l.axis,d=i[12],b=i[13],_=i[14],w=i[15],M=this.pixelRatio*(a[3]*d+a[7]*b+a[11]*_+a[15]*w)/e.drawingBufferHeight,k=0;k<3;++k)this.lastCubeProps.cubeEdges[k]=c[k],this.lastCubeProps.axis[k]=f[k];var A=p;for(k=0;k<3;++k)o(p[k],k,this.bounds,c,f);e=this.gl;var T=m;for(k=0;k<3;++k)this.backgroundEnable[k]?T[k]=f[k]:T[k]=0;this._background.draw(r,i,a,s,T,this.backgroundColor),this._lines.bind(r,i,a,this);for(k=0;k<3;++k){var S=[0,0,0];f[k]>0?S[k]=s[1][k]:S[k]=s[0][k];for(var E=0;E<2;++E){var L=(k+1+E)%3,C=(k+1+(1^E))%3;this.gridEnable[L]&&this._lines.drawGrid(L,C,this.bounds,S,this.gridColor[L],this.gridWidth[L]*this.pixelRatio)}for(E=0;E<2;++E){L=(k+1+E)%3,C=(k+1+(1^E))%3;this.zeroEnable[C]&&s[0][C]<=0&&s[1][C]>=0&&this._lines.drawZero(L,C,this.bounds,S,this.zeroLineColor[C],this.zeroLineWidth[C]*this.pixelRatio)}}for(k=0;k<3;++k){this.lineEnable[k]&&this._lines.drawAxisLine(k,this.bounds,A[k].primalOffset,this.lineColor[k],this.lineWidth[k]*this.pixelRatio),this.lineMirror[k]&&this._lines.drawAxisLine(k,this.bounds,A[k].mirrorOffset,this.lineColor[k],this.lineWidth[k]*this.pixelRatio);var z=n(v,A[k].primalMinor),D=n(y,A[k].mirrorMinor),I=this.lineTickLength;for(E=0;E<3;++E){var P=M/r[5*E];z[E]*=I[E]*P,D[E]*=I[E]*P}this.lineTickEnable[k]&&this._lines.drawAxisTicks(k,A[k].primalOffset,z,this.lineTickColor[k],this.lineTickWidth[k]*this.pixelRatio),this.lineTickMirror[k]&&this._lines.drawAxisTicks(k,A[k].mirrorOffset,D,this.lineTickColor[k],this.lineTickWidth[k]*this.pixelRatio)}this._text.bind(r,i,a,this.pixelRatio);for(k=0;k<3;++k){var O=A[k].primalMinor,F=n(x,A[k].primalOffset);for(E=0;E<3;++E)this.lineTickEnable[k]&&(F[E]+=M*O[E]*Math.max(this.lineTickLength[E],0)/r[5*E]);if(this.tickEnable[k]){for(E=0;E<3;++E)F[E]+=M*O[E]*this.tickPad[E]/r[5*E];this._text.drawTicks(k,this.tickSize[k],this.tickAngle[k],F,this.tickColor[k])}if(this.labelEnable[k]){for(E=0;E<3;++E)F[E]+=M*O[E]*this.labelPad[E]/r[5*E];F[k]+=.5*(s[0][k]+s[1][k]),this._text.drawLabel(k,this.labelSize[k],this.labelAngle[k],F,this.labelColor[k])}}},d.dispose=function(){this._text.dispose(),this._lines.dispose(),this._background.dispose(),this._lines=null,this._text=null,this._background=null,this.gl=null}},{"./lib/background.js":158,"./lib/cube.js":159,"./lib/lines.js":160,"./lib/text.js":162,"./lib/ticks.js":163}],158:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n}e.exports=function(t){for(var e=[],r=[],s=0,l=0;l<3;++l)for(var c=(l+1)%3,u=(l+2)%3,f=[0,0,0],h=[0,0,0],d=-1;d<=1;d+=2){r.push(s,s+2,s+1,s+1,s+2,s+3),f[l]=d,h[l]=d;for(var p=-1;p<=1;p+=2){f[c]=p;for(var m=-1;m<=1;m+=2)f[u]=m,e.push(f[0],f[1],f[2],h[0],h[1],h[2]),s+=1}var g=c;c=u,u=g}var v=i(t,new Float32Array(e)),y=i(t,new Uint16Array(r),t.ELEMENT_ARRAY_BUFFER),x=a(t,[{buffer:v,type:t.FLOAT,size:3,offset:0,stride:24},{buffer:v,type:t.FLOAT,size:3,offset:12,stride:24}],y),b=o(t);return b.attributes.position.location=0,b.attributes.normal.location=1,new n(t,v,x,b)};var i=t("gl-buffer"),a=t("gl-vao"),o=t("./shaders").bg,s=n.prototype;s.draw=function(t,e,r,n,i,a){for(var o=!1,s=0;s<3;++s)o=o||i[s];if(o){var l=this.gl;l.enable(l.POLYGON_OFFSET_FILL),l.polygonOffset(1,2),this.shader.bind(),this.shader.uniforms={model:t,view:e,projection:r,bounds:n,enable:i,colors:a},this.vao.bind(),this.vao.draw(this.gl.TRIANGLES,36),l.disable(l.POLYGON_OFFSET_FILL)}},s.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders":161,"gl-buffer":165,"gl-vao":259}],159:[function(t,e,r){"use strict";function n(t,e,r){for(var n=0;n<4;++n){t[n]=r[12+n];for(var i=0;i<3;++i)t[n]+=e[i]*r[4*i+n]}}function i(t){for(var e=0;eS&&(_|=1<S&&(_|=1<f[y][1]&&(O=y));var F=-1;for(y=0;y<3;++y)(N=O^1<f[R][0]&&(R=N))}var j=m;j[0]=j[1]=j[2]=0,j[a.log2(F^O)]=O&F,j[a.log2(O^R)]=O&R;var B=7^R;B===_||B===P?(B=7^F,j[a.log2(R^B)]=B&R):j[a.log2(F^B)]=B&F;var U=g,V=_;for(k=0;k<3;++k)U[k]=V&1< 0.0) {\n vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0));\n gl_Position = projection * view * model * vec4(nPosition, 1.0);\n } else {\n gl_Position = vec4(0,0,0,0);\n }\n colorChannel = abs(normal);\n}","precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 colors[3];\n\nvarying vec3 colorChannel;\n\nvoid main() {\n gl_FragColor = colorChannel.x * colors[0] + \n colorChannel.y * colors[1] +\n colorChannel.z * colors[2];\n}",null,[{name:"position",type:"vec3"},{name:"normal",type:"vec3"}])}},{"gl-shader":243}],162:[function(t,e,r){(function(r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=e,this.buffer=r,this.vao=n,this.tickOffset=this.tickCount=this.labelOffset=this.labelCount=null}e.exports=function(t,e,r,o,l,c){var u=i(t),f=a(t,[{buffer:u,size:3}]),h=s(t);h.attributes.position.location=0;var d=new n(t,h,u,f);return d.update(e,r,o,l,c),d};var i=t("gl-buffer"),a=t("gl-vao"),o=t("vectorize-text"),s=t("./shaders").text,l=window||r.global||{},c=l.__TEXT_CACHE||{};l.__TEXT_CACHE={};var u=n.prototype,f=[0,0];u.bind=function(t,e,r,n){this.vao.bind(),this.shader.bind();var i=this.shader.uniforms;i.model=t,i.view=e,i.projection=r,i.pixelScale=n,f[0]=this.gl.drawingBufferWidth,f[1]=this.gl.drawingBufferHeight,this.shader.uniforms.resolution=f},u.update=function(t,e,r,n,i){function a(t,e,r,n){var i=c[r];i||(i=c[r]={});var a=i[e];a||(a=i[e]=function(t,e){try{return o(t,e)}catch(t){return console.warn("error vectorizing text:",t),{cells:[],positions:[]}}}(e,{triangles:!0,font:r,textAlign:"center",textBaseline:"middle"}));for(var l=(n||12)/12,u=a.positions,f=a.cells,h=0,d=f.length;h=0;--m){var g=u[p[m]];s.push(l*g[0],-l*g[1],t)}}this.gl;for(var s=[],l=[0,0,0],u=[0,0,0],f=[0,0,0],h=[0,0,0],d=0;d<3;++d){f[d]=s.length/3|0,a(.5*(t[0][d]+t[1][d]),e[d],r),h[d]=(s.length/3|0)-f[d],l[d]=s.length/3|0;for(var p=0;p=0&&(i=r.length-n-1);var a=Math.pow(10,i),o=Math.round(t*e*a),s=o+"";if(s.indexOf("e")>=0)return s;var l=o/a,c=o%a;o<0?(l=0|-Math.ceil(l),c=0|-c):(l=0|Math.floor(l),c|=0);var u=""+l;if(o<0&&(u="-"+u),i){for(var f=""+c;f.length=t[0][i];--o)a.push({x:o*e[i],text:n(e[i],o)});r.push(a)}return r},r.equal=function(t,e){for(var r=0;r<3;++r){if(t[r].length!==e[r].length)return!1;for(var n=0;nr)throw new Error("gl-buffer: If resizing buffer, must not specify offset");return t.bufferSubData(e,a,i),r}function a(t,e){for(var r=o.malloc(t.length,e),n=t.length,i=0;i=0;--n){if(e[n]!==r)return!1;r*=t[n]}return!0}(t.shape,t.stride))0===t.offset&&t.data.length===t.shape[0]?this.length=i(this.gl,this.type,this.length,this.usage,t.data,e):this.length=i(this.gl,this.type,this.length,this.usage,t.data.subarray(t.offset,t.shape[0]),e);else{var n=o.malloc(t.size,r),u=l(n,t.shape);s.assign(u,t),this.length=e<0?i(this.gl,this.type,this.length,this.usage,n,e):i(this.gl,this.type,this.length,this.usage,n.subarray(0,t.size),e),o.free(n)}}else if(Array.isArray(t)){var f;f=this.type===this.gl.ELEMENT_ARRAY_BUFFER?a(t,"uint16"):a(t,"float32"),this.length=e<0?i(this.gl,this.type,this.length,this.usage,f,e):i(this.gl,this.type,this.length,this.usage,f.subarray(0,t.length),e),o.free(f)}else if("object"==typeof t&&"number"==typeof t.length)this.length=i(this.gl,this.type,this.length,this.usage,t,e);else{if("number"!=typeof t&&void 0!==t)throw new Error("gl-buffer: Invalid data type");if(e>=0)throw new Error("gl-buffer: Cannot specify offset when resizing buffer");(t|=0)<=0&&(t=1),this.gl.bufferData(this.type,0|t,this.usage),this.length=t}},e.exports=function(t,e,r,i){if(r=r||t.ARRAY_BUFFER,i=i||t.DYNAMIC_DRAW,r!==t.ARRAY_BUFFER&&r!==t.ELEMENT_ARRAY_BUFFER)throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER");if(i!==t.DYNAMIC_DRAW&&i!==t.STATIC_DRAW&&i!==t.STREAM_DRAW)throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW");var a=new n(t,r,t.createBuffer(),0,i);return a.update(e),a}},{ndarray:458,"ndarray-ops":452,"typedarray-pool":554}],166:[function(t,e,r){e.exports={0:"NONE",1:"ONE",2:"LINE_LOOP",3:"LINE_STRIP",4:"TRIANGLES",5:"TRIANGLE_STRIP",6:"TRIANGLE_FAN",256:"DEPTH_BUFFER_BIT",512:"NEVER",513:"LESS",514:"EQUAL",515:"LEQUAL",516:"GREATER",517:"NOTEQUAL",518:"GEQUAL",519:"ALWAYS",768:"SRC_COLOR",769:"ONE_MINUS_SRC_COLOR",770:"SRC_ALPHA",771:"ONE_MINUS_SRC_ALPHA",772:"DST_ALPHA",773:"ONE_MINUS_DST_ALPHA",774:"DST_COLOR",775:"ONE_MINUS_DST_COLOR",776:"SRC_ALPHA_SATURATE",1024:"STENCIL_BUFFER_BIT",1028:"FRONT",1029:"BACK",1032:"FRONT_AND_BACK",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",2304:"CW",2305:"CCW",2849:"LINE_WIDTH",2884:"CULL_FACE",2885:"CULL_FACE_MODE",2886:"FRONT_FACE",2928:"DEPTH_RANGE",2929:"DEPTH_TEST",2930:"DEPTH_WRITEMASK",2931:"DEPTH_CLEAR_VALUE",2932:"DEPTH_FUNC",2960:"STENCIL_TEST",2961:"STENCIL_CLEAR_VALUE",2962:"STENCIL_FUNC",2963:"STENCIL_VALUE_MASK",2964:"STENCIL_FAIL",2965:"STENCIL_PASS_DEPTH_FAIL",2966:"STENCIL_PASS_DEPTH_PASS",2967:"STENCIL_REF",2968:"STENCIL_WRITEMASK",2978:"VIEWPORT",3024:"DITHER",3042:"BLEND",3088:"SCISSOR_BOX",3089:"SCISSOR_TEST",3106:"COLOR_CLEAR_VALUE",3107:"COLOR_WRITEMASK",3317:"UNPACK_ALIGNMENT",3333:"PACK_ALIGNMENT",3379:"MAX_TEXTURE_SIZE",3386:"MAX_VIEWPORT_DIMS",3408:"SUBPIXEL_BITS",3410:"RED_BITS",3411:"GREEN_BITS",3412:"BLUE_BITS",3413:"ALPHA_BITS",3414:"DEPTH_BITS",3415:"STENCIL_BITS",3553:"TEXTURE_2D",4352:"DONT_CARE",4353:"FASTEST",4354:"NICEST",5120:"BYTE",5121:"UNSIGNED_BYTE",5122:"SHORT",5123:"UNSIGNED_SHORT",5124:"INT",5125:"UNSIGNED_INT",5126:"FLOAT",5386:"INVERT",5890:"TEXTURE",6401:"STENCIL_INDEX",6402:"DEPTH_COMPONENT",6406:"ALPHA",6407:"RGB",6408:"RGBA",6409:"LUMINANCE",6410:"LUMINANCE_ALPHA",7680:"KEEP",7681:"REPLACE",7682:"INCR",7683:"DECR",7936:"VENDOR",7937:"RENDERER",7938:"VERSION",9728:"NEAREST",9729:"LINEAR",9984:"NEAREST_MIPMAP_NEAREST",9985:"LINEAR_MIPMAP_NEAREST",9986:"NEAREST_MIPMAP_LINEAR",9987:"LINEAR_MIPMAP_LINEAR",10240:"TEXTURE_MAG_FILTER",10241:"TEXTURE_MIN_FILTER",10242:"TEXTURE_WRAP_S",10243:"TEXTURE_WRAP_T",10497:"REPEAT",10752:"POLYGON_OFFSET_UNITS",16384:"COLOR_BUFFER_BIT",32769:"CONSTANT_COLOR",32770:"ONE_MINUS_CONSTANT_COLOR",32771:"CONSTANT_ALPHA",32772:"ONE_MINUS_CONSTANT_ALPHA",32773:"BLEND_COLOR",32774:"FUNC_ADD",32777:"BLEND_EQUATION_RGB",32778:"FUNC_SUBTRACT",32779:"FUNC_REVERSE_SUBTRACT",32819:"UNSIGNED_SHORT_4_4_4_4",32820:"UNSIGNED_SHORT_5_5_5_1",32823:"POLYGON_OFFSET_FILL",32824:"POLYGON_OFFSET_FACTOR",32854:"RGBA4",32855:"RGB5_A1",32873:"TEXTURE_BINDING_2D",32926:"SAMPLE_ALPHA_TO_COVERAGE",32928:"SAMPLE_COVERAGE",32936:"SAMPLE_BUFFERS",32937:"SAMPLES",32938:"SAMPLE_COVERAGE_VALUE",32939:"SAMPLE_COVERAGE_INVERT",32968:"BLEND_DST_RGB",32969:"BLEND_SRC_RGB",32970:"BLEND_DST_ALPHA",32971:"BLEND_SRC_ALPHA",33071:"CLAMP_TO_EDGE",33170:"GENERATE_MIPMAP_HINT",33189:"DEPTH_COMPONENT16",33306:"DEPTH_STENCIL_ATTACHMENT",33635:"UNSIGNED_SHORT_5_6_5",33648:"MIRRORED_REPEAT",33901:"ALIASED_POINT_SIZE_RANGE",33902:"ALIASED_LINE_WIDTH_RANGE",33984:"TEXTURE0",33985:"TEXTURE1",33986:"TEXTURE2",33987:"TEXTURE3",33988:"TEXTURE4",33989:"TEXTURE5",33990:"TEXTURE6",33991:"TEXTURE7",33992:"TEXTURE8",33993:"TEXTURE9",33994:"TEXTURE10",33995:"TEXTURE11",33996:"TEXTURE12",33997:"TEXTURE13",33998:"TEXTURE14",33999:"TEXTURE15",34e3:"TEXTURE16",34001:"TEXTURE17",34002:"TEXTURE18",34003:"TEXTURE19",34004:"TEXTURE20",34005:"TEXTURE21",34006:"TEXTURE22",34007:"TEXTURE23",34008:"TEXTURE24",34009:"TEXTURE25",34010:"TEXTURE26",34011:"TEXTURE27",34012:"TEXTURE28",34013:"TEXTURE29",34014:"TEXTURE30",34015:"TEXTURE31",34016:"ACTIVE_TEXTURE",34024:"MAX_RENDERBUFFER_SIZE",34041:"DEPTH_STENCIL",34055:"INCR_WRAP",34056:"DECR_WRAP",34067:"TEXTURE_CUBE_MAP",34068:"TEXTURE_BINDING_CUBE_MAP",34069:"TEXTURE_CUBE_MAP_POSITIVE_X",34070:"TEXTURE_CUBE_MAP_NEGATIVE_X",34071:"TEXTURE_CUBE_MAP_POSITIVE_Y",34072:"TEXTURE_CUBE_MAP_NEGATIVE_Y",34073:"TEXTURE_CUBE_MAP_POSITIVE_Z",34074:"TEXTURE_CUBE_MAP_NEGATIVE_Z",34076:"MAX_CUBE_MAP_TEXTURE_SIZE",34338:"VERTEX_ATTRIB_ARRAY_ENABLED",34339:"VERTEX_ATTRIB_ARRAY_SIZE",34340:"VERTEX_ATTRIB_ARRAY_STRIDE",34341:"VERTEX_ATTRIB_ARRAY_TYPE",34342:"CURRENT_VERTEX_ATTRIB",34373:"VERTEX_ATTRIB_ARRAY_POINTER",34466:"NUM_COMPRESSED_TEXTURE_FORMATS",34467:"COMPRESSED_TEXTURE_FORMATS",34660:"BUFFER_SIZE",34661:"BUFFER_USAGE",34816:"STENCIL_BACK_FUNC",34817:"STENCIL_BACK_FAIL",34818:"STENCIL_BACK_PASS_DEPTH_FAIL",34819:"STENCIL_BACK_PASS_DEPTH_PASS",34877:"BLEND_EQUATION_ALPHA",34921:"MAX_VERTEX_ATTRIBS",34922:"VERTEX_ATTRIB_ARRAY_NORMALIZED",34930:"MAX_TEXTURE_IMAGE_UNITS",34962:"ARRAY_BUFFER",34963:"ELEMENT_ARRAY_BUFFER",34964:"ARRAY_BUFFER_BINDING",34965:"ELEMENT_ARRAY_BUFFER_BINDING",34975:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",35040:"STREAM_DRAW",35044:"STATIC_DRAW",35048:"DYNAMIC_DRAW",35632:"FRAGMENT_SHADER",35633:"VERTEX_SHADER",35660:"MAX_VERTEX_TEXTURE_IMAGE_UNITS",35661:"MAX_COMBINED_TEXTURE_IMAGE_UNITS",35663:"SHADER_TYPE",35664:"FLOAT_VEC2",35665:"FLOAT_VEC3",35666:"FLOAT_VEC4",35667:"INT_VEC2",35668:"INT_VEC3",35669:"INT_VEC4",35670:"BOOL",35671:"BOOL_VEC2",35672:"BOOL_VEC3",35673:"BOOL_VEC4",35674:"FLOAT_MAT2",35675:"FLOAT_MAT3",35676:"FLOAT_MAT4",35678:"SAMPLER_2D",35680:"SAMPLER_CUBE",35712:"DELETE_STATUS",35713:"COMPILE_STATUS",35714:"LINK_STATUS",35715:"VALIDATE_STATUS",35716:"INFO_LOG_LENGTH",35717:"ATTACHED_SHADERS",35718:"ACTIVE_UNIFORMS",35719:"ACTIVE_UNIFORM_MAX_LENGTH",35720:"SHADER_SOURCE_LENGTH",35721:"ACTIVE_ATTRIBUTES",35722:"ACTIVE_ATTRIBUTE_MAX_LENGTH",35724:"SHADING_LANGUAGE_VERSION",35725:"CURRENT_PROGRAM",36003:"STENCIL_BACK_REF",36004:"STENCIL_BACK_VALUE_MASK",36005:"STENCIL_BACK_WRITEMASK",36006:"FRAMEBUFFER_BINDING",36007:"RENDERBUFFER_BINDING",36048:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",36049:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",36050:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",36051:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",36053:"FRAMEBUFFER_COMPLETE",36054:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT",36055:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",36057:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS",36061:"FRAMEBUFFER_UNSUPPORTED",36064:"COLOR_ATTACHMENT0",36096:"DEPTH_ATTACHMENT",36128:"STENCIL_ATTACHMENT",36160:"FRAMEBUFFER",36161:"RENDERBUFFER",36162:"RENDERBUFFER_WIDTH",36163:"RENDERBUFFER_HEIGHT",36164:"RENDERBUFFER_INTERNAL_FORMAT",36168:"STENCIL_INDEX8",36176:"RENDERBUFFER_RED_SIZE",36177:"RENDERBUFFER_GREEN_SIZE",36178:"RENDERBUFFER_BLUE_SIZE",36179:"RENDERBUFFER_ALPHA_SIZE",36180:"RENDERBUFFER_DEPTH_SIZE",36181:"RENDERBUFFER_STENCIL_SIZE",36194:"RGB565",36336:"LOW_FLOAT",36337:"MEDIUM_FLOAT",36338:"HIGH_FLOAT",36339:"LOW_INT",36340:"MEDIUM_INT",36341:"HIGH_INT",36346:"SHADER_COMPILER",36347:"MAX_VERTEX_UNIFORM_VECTORS",36348:"MAX_VARYING_VECTORS",36349:"MAX_FRAGMENT_UNIFORM_VECTORS",37440:"UNPACK_FLIP_Y_WEBGL",37441:"UNPACK_PREMULTIPLY_ALPHA_WEBGL",37442:"CONTEXT_LOST_WEBGL",37443:"UNPACK_COLORSPACE_CONVERSION_WEBGL",37444:"BROWSER_DEFAULT_WEBGL"}},{}],167:[function(t,e,r){var n=t("./1.0/numbers");e.exports=function(t){return n[t]}},{"./1.0/numbers":166}],168:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=n,this.buffer=e,this.vao=r,this.pixelRatio=1,this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.lineWidth=[1,1,1],this.capSize=[10,10,10],this.lineCount=[0,0,0],this.lineOffset=[0,0,0],this.opacity=1}function i(t,e){for(var r=0;r<3;++r)t[0][r]=Math.min(t[0][r],e[r]),t[1][r]=Math.max(t[1][r],e[r])}function a(t,e,r,n){for(var i=f[n],a=0;a=1},u.isTransparent=function(){return this.opacity<1},u.drawTransparent=u.draw=function(t){var e=this.gl,r=this.shader.uniforms;this.shader.bind();var n=r.view=t.view||c,i=r.projection=t.projection||c;r.model=t.model||c,r.clipBounds=this.clipBounds,r.opacity=this.opacity;var a=n[12],o=n[13],s=n[14],l=n[15],u=this.pixelRatio*(i[3]*a+i[7]*o+i[11]*s+i[15]*l)/e.drawingBufferHeight;this.vao.bind();for(var f=0;f<3;++f)e.lineWidth(this.lineWidth[f]),r.capSize=this.capSize[f]*u,this.lineCount[f]&&e.drawArrays(e.LINES,this.lineOffset[f],this.lineCount[f]);this.vao.unbind()};var f=function(){for(var t=new Array(3),e=0;e<3;++e){for(var r=[],n=1;n<=2;++n)for(var i=-1;i<=1;i+=2){var a=[0,0,0];a[(n+e)%3]=i,r.push(a)}t[e]=r}return t}();u.update=function(t){"lineWidth"in(t=t||{})&&(this.lineWidth=t.lineWidth,Array.isArray(this.lineWidth)||(this.lineWidth=[this.lineWidth,this.lineWidth,this.lineWidth])),"capSize"in t&&(this.capSize=t.capSize,Array.isArray(this.capSize)||(this.capSize=[this.capSize,this.capSize,this.capSize])),"opacity"in t&&(this.opacity=t.opacity);var e=t.color||[[0,0,0],[0,0,0],[0,0,0]],r=t.position,n=t.error;if(Array.isArray(e[0])||(e=[e,e,e]),r&&n){var o=[],s=r.length,l=0;this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.lineCount=[0,0,0];for(var c=0;c<3;++c){this.lineOffset[c]=l;t:for(var u=0;u0){var m;(m=f.slice())[c]+=d[1][c],o.push(f[0],f[1],f[2],p[0],p[1],p[2],p[3],0,0,0,m[0],m[1],m[2],p[0],p[1],p[2],p[3],0,0,0),i(this.bounds,m),l+=2+a(o,m,p,c)}}}this.lineCount[c]=l-this.lineOffset[c]}this.buffer.update(o)}},u.dispose=function(){this.shader.dispose(),this.buffer.dispose(),this.vao.dispose()}},{"./shaders/index":170,"gl-buffer":165,"gl-vao":259}],169:[function(t,e,r){e.exports=function(t){"string"==typeof t&&(t=[t]);for(var e=[].slice.call(arguments,1),r=[],n=0;n1&&h.drawBuffersWEBGL(m[f]);var y=r.getExtension("WEBGL_depth_texture");y?d?t.depth=o(r,c,u,y.UNSIGNED_INT_24_8_WEBGL,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p&&(t.depth=o(r,c,u,r.UNSIGNED_SHORT,r.DEPTH_COMPONENT,r.DEPTH_ATTACHMENT)):p&&d?t._depth_rb=s(r,c,u,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p?t._depth_rb=s(r,c,u,r.DEPTH_COMPONENT16,r.DEPTH_ATTACHMENT):d&&(t._depth_rb=s(r,c,u,r.STENCIL_INDEX,r.STENCIL_ATTACHMENT));var x=r.checkFramebufferStatus(r.FRAMEBUFFER);if(x!==r.FRAMEBUFFER_COMPLETE){for(t._destroyed=!0,r.bindFramebuffer(r.FRAMEBUFFER,null),r.deleteFramebuffer(t.handle),t.handle=null,t.depth&&(t.depth.dispose(),t.depth=null),t._depth_rb&&(r.deleteRenderbuffer(t._depth_rb),t._depth_rb=null),v=0;vs||r<0||r>s)throw new Error("gl-fbo: Can't resize FBO, invalid dimensions");t._shape[0]=e,t._shape[1]=r;for(var l=n(o),c=0;ca||r<0||r>a)throw new Error("gl-fbo: Parameters are too large for FBO");var o=1;if("color"in(n=n||{})){if((o=Math.max(0|n.color,0))<0)throw new Error("gl-fbo: Must specify a nonnegative number of colors");if(o>1){if(!i)throw new Error("gl-fbo: Multiple draw buffer extension not supported");if(o>t.getParameter(i.MAX_COLOR_ATTACHMENTS_WEBGL))throw new Error("gl-fbo: Context does not support "+o+" draw buffers")}}var s=t.UNSIGNED_BYTE,c=t.getExtension("OES_texture_float");if(n.float&&o>0){if(!c)throw new Error("gl-fbo: Context does not support floating point textures");s=t.FLOAT}else n.preferFloat&&o>0&&c&&(s=t.FLOAT);var u=!0;"depth"in n&&(u=!!n.depth);var g=!1;return"stencil"in n&&(g=!!n.stencil),new l(t,e,r,s,o,u,g,i)};var f,h,d,p,m=null,g=l.prototype;Object.defineProperties(g,{shape:{get:function(){return this._destroyed?[0,0]:this._shapeVector},set:function(t){if(Array.isArray(t)||(t=[0|t,0|t]),2!==t.length)throw new Error("gl-fbo: Shape vector must be length 2");var e=0|t[0],r=0|t[1];return c(this,e,r),[e,r]},enumerable:!1},width:{get:function(){return this._destroyed?0:this._shape[0]},set:function(t){return t|=0,c(this,t,this._shape[1]),t},enumerable:!1},height:{get:function(){return this._destroyed?0:this._shape[1]},set:function(t){return t|=0,c(this,this._shape[0],t),t},enumerable:!1}}),g.bind=function(){if(!this._destroyed){var t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.handle),t.viewport(0,0,this._shape[0],this._shape[1])}},g.dispose=function(){if(!this._destroyed){this._destroyed=!0;var t=this.gl;t.deleteFramebuffer(this.handle),this.handle=null,this.depth&&(this.depth.dispose(),this.depth=null),this._depth_rb&&(t.deleteRenderbuffer(this._depth_rb),this._depth_rb=null);for(var e=0;e>8*d&255;this.pickOffset=r,i.bind();var p=i.uniforms;p.viewTransform=t,p.pickOffset=e,p.shape=this.shape;var m=i.attributes;return this.positionBuffer.bind(),m.position.pointer(),this.weightBuffer.bind(),m.weight.pointer(s.UNSIGNED_BYTE,!1),this.idBuffer.bind(),m.pickId.pointer(s.UNSIGNED_BYTE,!1),s.drawArrays(s.TRIANGLES,0,o),r+this.shape[0]*this.shape[1]}}}(),u.pick=function(t,e,r){var n=this.pickOffset,i=this.shape[0]*this.shape[1];if(r=n+i)return null;var a=r-n,o=this.xData,s=this.yData;return{object:this,pointId:a,dataCoord:[o[a%this.shape[0]],s[a/this.shape[0]|0]]}},u.update=function(t){var e=(t=t||{}).shape||[0,0],r=t.x||a(e[0]),n=t.y||a(e[1]),s=t.z||new Float32Array(e[0]*e[1]);this.xData=r,this.yData=n;var l=t.colorLevels||[0],c=t.colorValues||[0,0,0,1],u=l.length,h=this.bounds,d=h[0]=r[0],p=h[1]=n[0],m=1/((h[2]=r[r.length-1])-d),g=1/((h[3]=n[n.length-1])-p),v=e[0],y=e[1];this.shape=[v,y];var x=(v-1)*(y-1)*(f.length>>>1);this.numVertices=x;for(var b=o.mallocUint8(4*x),_=o.mallocFloat32(2*x),w=o.mallocUint8(2*x),M=o.mallocUint32(x),k=0,A=0;A FLOAT_MAX) {\n return vec4(127.0, 128.0, 0.0, 0.0) / 255.0;\n } else if(v < -FLOAT_MAX) {\n return vec4(255.0, 128.0, 0.0, 0.0) / 255.0;\n }\n\n highp vec4 c = vec4(0,0,0,0);\n\n //Compute exponent and mantissa\n highp float e = floor(log2(av));\n highp float m = av * pow(2.0, -e) - 1.0;\n \n //Unpack mantissa\n c[1] = floor(128.0 * m);\n m -= c[1] / 128.0;\n c[2] = floor(32768.0 * m);\n m -= c[2] / 32768.0;\n c[3] = floor(8388608.0 * m);\n \n //Unpack exponent\n highp float ebias = e + 127.0;\n c[0] = floor(ebias / 2.0);\n ebias -= c[0] * 2.0;\n c[1] += floor(ebias) * 128.0; \n\n //Unpack sign bit\n c[0] += 128.0 * step(0.0, -v);\n\n //Scale back to range\n return c / 255.0;\n}\n\n\n\nuniform float pickId;\nuniform vec3 clipBounds[2];\n\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(worldPosition, clipBounds[0])) || any(greaterThan(worldPosition, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId/255.0, encode_float_1_0(pixelArcLength).xyz);\n}",null,a)}},{"gl-shader":243}],177:[function(t,e,r){"use strict";function n(t,e){for(var r=0,n=0;n<3;++n){var i=t[n]-e[n];r+=i*i}return Math.sqrt(r)}function i(t){for(var e=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],r=0;r<3;++r)e[0][r]=Math.max(t[0][r],e[0][r]),e[1][r]=Math.min(t[1][r],e[1][r]);return e}function a(t,e,r,n){this.arcLength=t,this.position=e,this.index=r,this.dataCoordinate=n}function o(t,e,r,n,i,a){this.gl=t,this.shader=e,this.pickShader=r,this.buffer=n,this.vao=i,this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.points=[],this.arcLength=[],this.vertexCount=0,this.bounds=[[0,0,0],[0,0,0]],this.pickId=0,this.lineWidth=1,this.texture=a,this.dashScale=1,this.opacity=1,this.dirty=!0,this.pixelRatio=1}e.exports=function(t){var e=t.gl||t.scene&&t.scene.gl,r=p(e);r.attributes.position.location=0,r.attributes.nextPosition.location=1,r.attributes.arcLength.location=2,r.attributes.lineWidth.location=3,r.attributes.color.location=4;var n=m(e);n.attributes.position.location=0,n.attributes.nextPosition.location=1,n.attributes.arcLength.location=2,n.attributes.lineWidth.location=3,n.attributes.color.location=4;for(var i=s(e),a=l(e,[{buffer:i,size:3,offset:0,stride:48},{buffer:i,size:3,offset:12,stride:48},{buffer:i,size:1,offset:24,stride:48},{buffer:i,size:1,offset:28,stride:48},{buffer:i,size:4,offset:32,stride:48}]),u=h(new 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e=this.gl,r=this.pickShader,n=this.vao;r.bind(),r.uniforms={model:t.model||g,view:t.view||g,projection:t.projection||g,pickId:this.pickId,clipBounds:i(this.clipBounds),screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},v.update=function(t){var e,r;this.dirty=!0;var i=!!t.connectGaps;"dashScale"in t&&(this.dashScale=t.dashScale),"opacity"in t&&(this.opacity=+t.opacity);var a=t.position||t.positions;if(a){var o=t.color||t.colors||[0,0,0,1],s=t.lineWidth||1,l=[],c=[],u=[],d=0,p=0,m=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],g=!1;t:for(e=1;e0){for(var x=0;x<24;++x)l.push(l[l.length-12]);p+=2,g=!0}continue t}m[0][r]=Math.min(m[0][r],v[r],y[r]),m[1][r]=Math.max(m[1][r],v[r],y[r])}var b,_;Array.isArray(o[0])?(b=o[e-1],_=o[e]):b=_=o,3===b.length&&(b=[b[0],b[1],b[2],1]),3===_.length&&(_=[_[0],_[1],_[2],1]);var w;w=Array.isArray(s)?s[e-1]:s;var 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i=t("gl-shader"),a=t("gl-buffer"),o=t("gl-vao"),s=t("gl-texture2d"),l=t("normals"),c=t("gl-mat4/multiply"),u=t("gl-mat4/invert"),f=t("ndarray"),h=t("colormap"),d=t("simplicial-complex-contour"),p=t("typedarray-pool"),m=t("./lib/shaders"),g=t("./lib/closest-point"),v=m.meshShader,y=m.wireShader,x=m.pointShader,b=m.pickShader,_=m.pointPickShader,w=m.contourShader,M=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],k=n.prototype;k.isOpaque=function(){return this.opacity>=1},k.isTransparent=function(){return this.opacity<1},k.pickSlots=1,k.setPickBase=function(t){this.pickId=t},k.highlight=function(t){if(t&&this.contourEnable){for(var 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e=t.value[0]+256*t.value[1]+65536*t.value[2],r=this.cells[e],n=this.positions,i=new Array(r.length),a=0;al[k]&&(a.uniforms.dataAxis=t,a.uniforms.screenOffset=e,a.uniforms.color=g[n],a.uniforms.angle=v[n],c.drawArrays(c.TRIANGLES,l[k],l[A]-l[k]))),y[n]&&M&&(e[1^n]-=T*d*x[n],a.uniforms.dataAxis=r,a.uniforms.screenOffset=e,a.uniforms.color=b[n],a.uniforms.angle=_[n],c.drawArrays(c.TRIANGLES,w,M)),e[1^n]=T*u[2+(1^n)]-1,p[n+2]&&(e[1^n]+=T*d*m[n+2],kl[k]&&(a.uniforms.dataAxis=t,a.uniforms.screenOffset=e,a.uniforms.color=g[n+2],a.uniforms.angle=v[n+2],c.drawArrays(c.TRIANGLES,l[k],l[A]-l[k]))),y[n+2]&&M&&(e[1^n]+=T*d*x[n+2],a.uniforms.dataAxis=r,a.uniforms.screenOffset=e,a.uniforms.color=b[n+2],a.uniforms.angle=_[n+2],c.drawArrays(c.TRIANGLES,w,M))}}(),c.drawTitle=function(){var t=[0,0],e=[0,0];return function(){var r=this.plot,n=this.shader,i=r.gl,a=r.screenBox,o=r.titleCenter,s=r.titleAngle,l=r.titleColor,c=r.pixelRatio;if(this.titleCount){for(var 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f=t("gl-buffer"),h=t("gl-vao"),d=t("typedarray-pool"),p=t("gl-mat4/multiply"),m=t("./lib/shaders"),g=t("./lib/glyphs"),v=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];e.exports=function(t){var e=t.gl,r=m.createPerspective(e),n=m.createOrtho(e),i=m.createProject(e),o=m.createPickPerspective(e),s=m.createPickOrtho(e),l=m.createPickProject(e),c=f(e),u=f(e),d=f(e),p=f(e),g=new a(e,r,n,i,c,u,d,p,h(e,[{buffer:c,size:3,type:e.FLOAT},{buffer:u,size:4,type:e.FLOAT},{buffer:d,size:2,type:e.FLOAT},{buffer:p,size:4,type:e.UNSIGNED_BYTE,normalized:!0}]),o,s,l);return g.update(t),g};var y=a.prototype;y.pickSlots=1,y.setPickBase=function(t){this.pickId=t},y.isTransparent=function(){if(this.opacity<1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]<1)return!0;return!1},y.isOpaque=function(){if(this.opacity>=1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]>=1)return!0;return!1};var x=[0,0],b=[0,0,0],_=[0,0,0],w=[0,0,0,1],M=[0,0,0,1],k=v.slice(),A=[0,0,0],T=[[0,0,0],[0,0,0]],S=[[-1e8,-1e8,-1e8],[1e8,1e8,1e8]];y.draw=function(t){u(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!1,!1)},y.drawTransparent=function(t){u(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!0,!1)},y.drawPick=function(t){u(this.useOrtho?this.pickOrthoShader:this.pickPerspectiveShader,this.pickProjectShader,this,t,!1,!0)},y.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;var e=t.value[2]+(t.value[1]<<8)+(t.value[0]<<16);if(e>=this.pointCount||e<0)return null;var r=this.points[e],n=this._selectResult;n.index=e;for(var i=0;i<3;++i)n.position[i]=n.dataCoordinate[i]=r[i];return n},y.highlight=function(t){if(t){var e=t.index,r=255&e,n=e>>8&255,i=e>>16&255;this.highlightId=[r/255,n/255,i/255,0]}else this.highlightId=[1,1,1,1]},y.update=function(t){if("perspective"in(t=t||{})&&(this.useOrtho=!t.perspective),"orthographic"in t&&(this.useOrtho=!!t.orthographic),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"project"in t)if(Array.isArray(t.project))this.axesProject=t.project;else{var e=!!t.project;this.axesProject=[e,e,e]}if("projectScale"in t)if(Array.isArray(t.projectScale))this.projectScale=t.projectScale.slice();else{var r=+t.projectScale;this.projectScale=[r,r,r]}if("projectOpacity"in t)if(Array.isArray(t.projectOpacity))this.projectOpacity=t.projectOpacity.slice();else{r=+t.projectOpacity;this.projectOpacity=[r,r,r]}"opacity"in t&&(this.opacity=t.opacity),this.dirty=!0;var n=t.position;if(n){var i=t.font||"normal",a=t.alignment||[0,0],o=[1/0,1/0,1/0],s=[-1/0,-1/0,-1/0],l=t.glyph,c=t.color,u=t.size,f=t.angle,h=t.lineColor,p=0,m=0,v=0,y=n.length;t:for(var x=0;x0&&(C[0]=-a[0]*(1+k[0][0]));var q=w.cells,H=w.positions;for(_=0;_0){var v=r*u;o.drawBox(f-v,h-v,d+v,h+v,a),o.drawBox(f-v,p-v,d+v,p+v,a),o.drawBox(f-v,h-v,f+v,p+v,a),o.drawBox(d-v,h-v,d+v,p+v,a)}}}},s.update=function(t){t=t||{},this.innerFill=!!t.innerFill,this.outerFill=!!t.outerFill,this.innerColor=(t.innerColor||[0,0,0,.5]).slice(),this.outerColor=(t.outerColor||[0,0,0,.5]).slice(),this.borderColor=(t.borderColor||[0,0,0,1]).slice(),this.borderWidth=t.borderWidth||0,this.selectBox=(t.selectBox||this.selectBox).slice()},s.dispose=function(){this.boxBuffer.dispose(),this.boxShader.dispose(),this.plot.removeOverlay(this)}},{"./lib/shaders":240,"gl-buffer":165,"gl-shader":243}],242:[function(t,e,r){"use strict";function n(t,e,r){this.gl=t,this.fbo=e,this.buffer=r,this._readTimeout=null;var n=this;this._readCallback=function(){n.gl&&(e.bind(),t.readPixels(0,0,e.shape[0],e.shape[1],t.RGBA,t.UNSIGNED_BYTE,n.buffer),n._readTimeout=null)}}e.exports=function(t,e){return new n(t,i(t,e),a.mallocUint8(e[0]*e[1]*4))};var i=t("gl-fbo"),a=t("typedarray-pool"),o=t("ndarray"),s=t("bit-twiddle").nextPow2,l=t("cwise/lib/wrapper")({args:["array",{offset:[0,0,1],array:0},{offset:[0,0,2],array:0},{offset:[0,0,3],array:0},"scalar","scalar","index"],pre:{body:"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}",args:[],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:[]},body:{body:"{if(_inline_46_arg0_<255||_inline_46_arg1_<255||_inline_46_arg2_<255||_inline_46_arg3_<255){var _inline_46_l=_inline_46_arg4_-_inline_46_arg6_[0],_inline_46_a=_inline_46_arg5_-_inline_46_arg6_[1],_inline_46_f=_inline_46_l*_inline_46_l+_inline_46_a*_inline_46_a;_inline_46_fthis.buffer.length){a.free(this.buffer);for(var n=this.buffer=a.mallocUint8(s(r*e*4)),i=0;i=0){for(var k=0|M.type.charAt(M.type.length-1),A=new Array(k),T=0;T=0;)S+=1;_[w]=S}var E=new Array(r.length);f(),d._relink=f,d.types={uniforms:s(r),attributes:s(n)},d.attributes=o(p,d,x,_),Object.defineProperty(d,"uniforms",a(p,d,r,E))},e.exports=function(t,e,r,i,a){var o=new n(t);return o.update(e,r,i,a),o}},{"./lib/GLError":244,"./lib/create-attributes":245,"./lib/create-uniforms":246,"./lib/reflect":247,"./lib/runtime-reflect":248,"./lib/shader-cache":249}],244:[function(t,e,r){arguments[4][218][0].apply(r,arguments)},{dup:218}],245:[function(t,e,r){arguments[4][219][0].apply(r,arguments)},{"./GLError":244,dup:219}],246:[function(t,e,r){arguments[4][220][0].apply(r,arguments)},{"./GLError":244,"./reflect":247,dup:220}],247:[function(t,e,r){arguments[4][221][0].apply(r,arguments)},{dup:221}],248:[function(t,e,r){arguments[4][222][0].apply(r,arguments)},{dup:222}],249:[function(t,e,r){arguments[4][223][0].apply(r,arguments)},{"./GLError":244,dup:223,"gl-format-compiler-error":172,"weakmap-shim":576}],250:[function(t,e,r){"use strict";function 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l=s[0]+(n[0]-o[0])/(o[2]-o[0])*(s[2]-s[0]),c=s[1]+(n[1]-o[1])/(o[3]-o[1])*(s[3]-s[1]);t[0]&&a.drawLine(l,c,s[0],c,e[0],r[0]),t[1]&&a.drawLine(l,c,l,s[1],e[1],r[1]),t[2]&&a.drawLine(l,c,s[2],c,e[2],r[2]),t[3]&&a.drawLine(l,c,l,s[3],e[3],r[3])}},i.dispose=function(){this.plot.removeOverlay(this)}},{}],251:[function(t,e,r){"use strict";var n=t("gl-shader");e.exports=function(t){return n(t,"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position, color;\nattribute float weight;\n\nuniform mat4 model, view, projection;\nuniform vec3 coordinates[3];\nuniform vec4 colors[3];\nuniform vec2 screenShape;\nuniform float lineWidth;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vertexPosition = mix(coordinates[0],\n mix(coordinates[2], coordinates[1], 0.5 * (position + 1.0)), abs(position));\n\n vec4 clipPos = projection * view * model * vec4(vertexPosition, 1.0);\n vec2 clipOffset = (projection * view * model * vec4(color, 0.0)).xy;\n vec2 delta = weight * clipOffset * screenShape;\n vec2 lineOffset = normalize(vec2(delta.y, -delta.x)) / screenShape;\n\n gl_Position = vec4(clipPos.xy + clipPos.w * 0.5 * lineWidth * lineOffset, clipPos.z, clipPos.w);\n fragColor = color.x * colors[0] + color.y * colors[1] + color.z * colors[2];\n}\n","precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor;\n\nvoid main() {\n gl_FragColor = fragColor;\n}",null,[{name:"position",type:"vec3"},{name:"color",type:"vec3"},{name:"weight",type:"float"}])}},{"gl-shader":243}],252:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n,this.pixelRatio=1,this.bounds=[[-1e3,-1e3,-1e3],[1e3,1e3,1e3]],this.position=[0,0,0],this.lineWidth=[2,2,2],this.colors=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.enabled=[!0,!0,!0],this.drawSides=[!0,!0,!0],this.axes=null}var i=t("gl-buffer"),a=t("gl-vao"),o=t("./shaders/index");e.exports=function(t,e){function r(t,e,r,n,i,a){var o=[t,e,r,0,0,0,1];o[n+3]=1,o[n]=i,s.push.apply(s,o),o[6]=-1,s.push.apply(s,o),o[n]=a,s.push.apply(s,o),s.push.apply(s,o),o[6]=1,s.push.apply(s,o),o[n]=i,s.push.apply(s,o)}var s=[];r(0,0,0,0,0,1),r(0,0,0,1,0,1),r(0,0,0,2,0,1),r(1,0,0,1,-1,1),r(1,0,0,2,-1,1),r(0,1,0,0,-1,1),r(0,1,0,2,-1,1),r(0,0,1,0,-1,1),r(0,0,1,1,-1,1);var l=i(t,s),c=a(t,[{type:t.FLOAT,buffer:l,size:3,offset:0,stride:28},{type:t.FLOAT,buffer:l,size:3,offset:12,stride:28},{type:t.FLOAT,buffer:l,size:1,offset:24,stride:28}]),u=o(t);u.attributes.position.location=0,u.attributes.color.location=1,u.attributes.weight.location=2;var f=new n(t,l,c,u);return f.update(e),f};var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],l=n.prototype,c=[0,0,0],u=[0,0,0],f=[0,0];l.isTransparent=function(){return!1},l.drawTransparent=function(t){},l.draw=function(t){var e=this.gl,r=this.vao,n=this.shader;r.bind(),n.bind();var i,a=t.model||s,o=t.view||s,l=t.projection||s;this.axes&&(i=this.axes.lastCubeProps.axis);for(var h=c,d=u,p=0;p<3;++p)i&&i[p]<0?(h[p]=this.bounds[0][p],d[p]=this.bounds[1][p]):(h[p]=this.bounds[1][p],d[p]=this.bounds[0][p]);f[0]=e.drawingBufferWidth,f[1]=e.drawingBufferHeight,n.uniforms.model=a,n.uniforms.view=o,n.uniforms.projection=l,n.uniforms.coordinates=[this.position,h,d],n.uniforms.colors=this.colors,n.uniforms.screenShape=f;for(p=0;p<3;++p)n.uniforms.lineWidth=this.lineWidth[p]*this.pixelRatio,this.enabled[p]&&(r.draw(e.TRIANGLES,6,6*p),this.drawSides[p]&&r.draw(e.TRIANGLES,12,18+12*p));r.unbind()},l.update=function(t){t&&("bounds"in t&&(this.bounds=t.bounds),"position"in t&&(this.position=t.position),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"colors"in t&&(this.colors=t.colors),"enabled"in t&&(this.enabled=t.enabled),"drawSides"in t&&(this.drawSides=t.drawSides))},l.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders/index":251,"gl-buffer":165,"gl-vao":259}],253:[function(t,e,r){var n=t("gl-shader"),i="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute vec3 f;\nattribute vec3 normal;\n\nuniform mat4 model, view, projection, inverseModel;\nuniform vec3 lightPosition, eyePosition;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n worldCoordinate = vec3(uv.zw, f.x);\n vec4 worldPosition = model * vec4(worldCoordinate, 1.0);\n vec4 clipPosition = projection * view * worldPosition;\n gl_Position = clipPosition;\n kill = f.y;\n value = f.z;\n planeCoordinate = uv.xy;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Lighting geometry parameters\n vec4 cameraCoordinate = view * worldPosition;\n cameraCoordinate.xyz /= cameraCoordinate.w;\n lightDirection = lightPosition - cameraCoordinate.xyz;\n eyeDirection = eyePosition - cameraCoordinate.xyz;\n surfaceNormal = normalize((vec4(normal,0) * inverseModel).xyz);\n}\n",a="precision mediump float;\n#define GLSLIFY 1\n\nfloat beckmannDistribution_2_0(float x, float roughness) {\n float NdotH = max(x, 0.0001);\n float cos2Alpha = NdotH * NdotH;\n float tan2Alpha = (cos2Alpha - 1.0) / cos2Alpha;\n float roughness2 = roughness * roughness;\n float denom = 3.141592653589793 * roughness2 * cos2Alpha * cos2Alpha;\n return exp(tan2Alpha / roughness2) / denom;\n}\n\n\n\nfloat beckmannSpecular_1_1(\n vec3 lightDirection,\n vec3 viewDirection,\n vec3 surfaceNormal,\n float roughness) {\n return beckmannDistribution_2_0(dot(surfaceNormal, normalize(lightDirection + viewDirection)), roughness);\n}\n\n\n\nuniform vec3 lowerBound, upperBound;\nuniform float contourTint;\nuniform vec4 contourColor;\nuniform sampler2D colormap;\nuniform vec3 clipBounds[2];\nuniform float roughness, fresnel, kambient, kdiffuse, kspecular, opacity;\nuniform float vertexColor;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n if (kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n\n vec3 N = normalize(surfaceNormal);\n vec3 V = normalize(eyeDirection);\n vec3 L = normalize(lightDirection);\n\n if(gl_FrontFacing) {\n N = -N;\n }\n\n float specular = max(beckmannSpecular_1_1(L, V, N, roughness), 0.);\n float diffuse = min(kambient + kdiffuse * max(dot(N, L), 0.0), 1.0);\n\n //decide how to interpolate color \u2014 in vertex or in fragment\n vec4 surfaceColor = step(vertexColor, .5) * texture2D(colormap, vec2(value, value)) + step(.5, vertexColor) * vColor;\n\n vec4 litColor = surfaceColor.a * vec4(diffuse * surfaceColor.rgb + kspecular * vec3(1,1,1) * specular, 1.0);\n\n gl_FragColor = mix(litColor, contourColor, contourTint) * opacity;\n}\n",o="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute float f;\n\nuniform mat3 permutation;\nuniform mat4 model, view, projection;\nuniform float height, zOffset;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n vec3 dataCoordinate = permutation * vec3(uv.xy, height);\n vec4 worldPosition = model * vec4(dataCoordinate, 1.0);\n\n vec4 clipPosition = projection * view * worldPosition;\n clipPosition.z = clipPosition.z + zOffset;\n\n gl_Position = clipPosition;\n value = f;\n kill = -1.0;\n worldCoordinate = dataCoordinate;\n planeCoordinate = uv.zw;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Don't do lighting for contours\n surfaceNormal = vec3(1,0,0);\n eyeDirection = vec3(0,1,0);\n lightDirection = vec3(0,0,1);\n}\n",s="precision mediump float;\n#define GLSLIFY 1\n\nuniform vec2 shape;\nuniform vec3 clipBounds[2];\nuniform float pickId;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 surfaceNormal;\n\nvec2 splitFloat(float v) {\n float vh = 255.0 * v;\n float upper = floor(vh);\n float lower = fract(vh);\n return vec2(upper / 255.0, floor(lower * 16.0) / 16.0);\n}\n\nvoid main() {\n if(kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n vec2 ux = splitFloat(planeCoordinate.x / shape.x);\n vec2 uy = splitFloat(planeCoordinate.y / shape.y);\n gl_FragColor = vec4(pickId, ux.x, uy.x, ux.y + (uy.y/16.0));\n}\n";r.createShader=function(t){var e=n(t,i,a,null,[{name:"uv",type:"vec4"},{name:"f",type:"vec3"},{name:"normal",type:"vec3"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e.attributes.normal.location=2,e},r.createPickShader=function(t){var e=n(t,i,s,null,[{name:"uv",type:"vec4"},{name:"f",type:"vec3"},{name:"normal",type:"vec3"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e.attributes.normal.location=2,e},r.createContourShader=function(t){var e=n(t,o,a,null,[{name:"uv",type:"vec4"},{name:"f",type:"float"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e},r.createPickContourShader=function(t){var e=n(t,o,s,null,[{name:"uv",type:"vec4"},{name:"f",type:"float"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e}},{"gl-shader":243}],254:[function(t,e,r){"use strict";function n(t,e,r,n,i,a,o,s,l,c,u,f,h,d){this.gl=t,this.shape=e,this.bounds=r,this.intensityBounds=[],this._shader=n,this._pickShader=i,this._coordinateBuffer=a,this._vao=o,this._colorMap=s,this._contourShader=l,this._contourPickShader=c,this._contourBuffer=u,this._contourVAO=f,this._contourOffsets=[[],[],[]],this._contourCounts=[[],[],[]],this._vertexCount=0,this._pickResult=new function(t,e,r,n,i){this.position=t,this.index=e,this.uv=r,this.level=n,this.dataCoordinate=i}([0,0,0],[0,0],[0,0],[0,0,0],[0,0,0]),this._dynamicBuffer=h,this._dynamicVAO=d,this._dynamicOffsets=[0,0,0],this._dynamicCounts=[0,0,0],this.contourWidth=[1,1,1],this.contourLevels=[[1],[1],[1]],this.contourTint=[0,0,0],this.contourColor=[[.5,.5,.5,1],[.5,.5,.5,1],[.5,.5,.5,1]],this.showContour=!0,this.showSurface=!0,this.enableHighlight=[!0,!0,!0],this.highlightColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.highlightTint=[1,1,1],this.highlightLevel=[-1,-1,-1],this.enableDynamic=[!0,!0,!0],this.dynamicLevel=[NaN,NaN,NaN],this.dynamicColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.dynamicTint=[1,1,1],this.dynamicWidth=[1,1,1],this.axesBounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.surfaceProject=[!1,!1,!1],this.contourProject=[[!1,!1,!1],[!1,!1,!1],[!1,!1,!1]],this.colorBounds=[!1,!1],this._field=[y(p.mallocFloat(1024),[0,0]),y(p.mallocFloat(1024),[0,0]),y(p.mallocFloat(1024),[0,0])],this.pickId=1,this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.snapToData=!1,this.opacity=1,this.lightPosition=[10,1e4,0],this.ambientLight=.8,this.diffuseLight=.8,this.specularLight=2,this.roughness=.5,this.fresnel=1.5,this.vertexColor=0,this.dirty=!0}function i(t,e){var r,n,i,a=e.axes&&e.axes.lastCubeProps.axis||O,o=e.showSurface,s=e.showContour;for(r=0;r<3;++r)for(o=o||e.surfaceProject[r],n=0;n<3;++n)s=s||e.contourProject[r][n];for(r=0;r<3;++r){var l=F.projections[r];for(n=0;n<16;++n)l[n]=0;for(n=0;n<4;++n)l[5*n]=1;l[5*r]=0,l[12+r]=e.axesBounds[+(a[r]>0)][r],b(l,t.model,l);var c=F.clipBounds[r];for(i=0;i<2;++i)for(n=0;n<3;++n)c[i][n]=t.clipBounds[i][n];c[0][r]=-1e8,c[1][r]=1e8}return F.showSurface=o,F.showContour=s,F}function a(t,e){t=t||{};var r=this.gl;r.disable(r.CULL_FACE),this._colorMap.bind(0);var n=R;n.model=t.model||C,n.view=t.view||C,n.projection=t.projection||C,n.lowerBound=[this.bounds[0][0],this.bounds[0][1],this.colorBounds[0]||this.bounds[0][2]],n.upperBound=[this.bounds[1][0],this.bounds[1][1],this.colorBounds[1]||this.bounds[1][2]],n.contourColor=this.contourColor[0],n.inverseModel=_(n.inverseModel,n.model);for(var a=0;a<2;++a)for(var o=n.clipBounds[a],s=0;s<3;++s)o[s]=Math.min(Math.max(this.clipBounds[a][s],-1e8),1e8);n.kambient=this.ambientLight,n.kdiffuse=this.diffuseLight,n.kspecular=this.specularLight,n.roughness=this.roughness,n.fresnel=this.fresnel,n.opacity=this.opacity,n.height=0,n.permutation=j,n.vertexColor=this.vertexColor;var l=N;for(b(l,n.view,n.model),b(l,n.projection,l),_(l,l),a=0;a<3;++a)n.eyePosition[a]=l[12+a]/l[15];var c=l[15];for(a=0;a<3;++a)c+=this.lightPosition[a]*l[4*a+3];for(a=0;a<3;++a){var u=l[12+a];for(s=0;s<3;++s)u+=l[4*s+a]*this.lightPosition[s];n.lightPosition[a]=u/c}var f=i(n,this);if(f.showSurface&&e===this.opacity<1){for(this._shader.bind(),this._shader.uniforms=n,this._vao.bind(),this.showSurface&&this._vertexCount&&this._vao.draw(r.TRIANGLES,this._vertexCount),a=0;a<3;++a)this.surfaceProject[a]&&this.vertexCount&&(this._shader.uniforms.model=f.projections[a],this._shader.uniforms.clipBounds=f.clipBounds[a],this._vao.draw(r.TRIANGLES,this._vertexCount));this._vao.unbind()}if(f.showContour&&!e){var h=this._contourShader;n.kambient=1,n.kdiffuse=0,n.kspecular=0,n.opacity=1,h.bind(),h.uniforms=n;var d=this._contourVAO;for(d.bind(),a=0;a<3;++a)for(h.uniforms.permutation=D[a],r.lineWidth(this.contourWidth[a]),s=0;s=1)return!0;for(var t=0;t<3;++t)if(this._contourCounts[t].length>0||this._dynamicCounts[t]>0)return!0;return!1},P.pickSlots=1,P.setPickBase=function(t){this.pickId=t};var O=[0,0,0],F={showSurface:!1,showContour:!1,projections:[C.slice(),C.slice(),C.slice()],clipBounds:[[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]]]},R={model:C,view:C,projection:C,inverseModel:C.slice(),lowerBound:[0,0,0],upperBound:[0,0,0],colorMap:0,clipBounds:[[0,0,0],[0,0,0]],height:0,contourTint:0,contourColor:[0,0,0,1],permutation:[1,0,0,0,1,0,0,0,1],zOffset:-1e-4,kambient:1,kdiffuse:1,kspecular:1,lightPosition:[1e3,1e3,1e3],eyePosition:[0,0,0],roughness:1,fresnel:1,opacity:1,vertexColor:0},N=C.slice(),j=[1,0,0,0,1,0,0,0,1];P.draw=function(t){return a.call(this,t,!1)},P.drawTransparent=function(t){return a.call(this,t,!0)};var B={model:C,view:C,projection:C,inverseModel:C,clipBounds:[[0,0,0],[0,0,0]],height:0,shape:[0,0],pickId:0,lowerBound:[0,0,0],upperBound:[0,0,0],zOffset:0,permutation:[1,0,0,0,1,0,0,0,1],lightPosition:[0,0,0],eyePosition:[0,0,0]};P.drawPick=function(t){t=t||{};var e=this.gl;e.disable(e.CULL_FACE);var r=B;r.model=t.model||C,r.view=t.view||C,r.projection=t.projection||C,r.shape=this._field[2].shape,r.pickId=this.pickId/255,r.lowerBound=this.bounds[0],r.upperBound=this.bounds[1],r.permutation=j;for(var n=0;n<2;++n)for(var a=r.clipBounds[n],o=0;o<3;++o)a[o]=Math.min(Math.max(this.clipBounds[n][o],-1e8),1e8);var s=i(r,this);if(s.showSurface){for(this._pickShader.bind(),this._pickShader.uniforms=r,this._vao.bind(),this._vao.draw(e.TRIANGLES,this._vertexCount),n=0;n<3;++n)this.surfaceProject[n]&&(this._pickShader.uniforms.model=s.projections[n],this._pickShader.uniforms.clipBounds=s.clipBounds[n],this._vao.draw(e.TRIANGLES,this._vertexCount));this._vao.unbind()}if(s.showContour){var l=this._contourPickShader;l.bind(),l.uniforms=r;var c=this._contourVAO;for(c.bind(),o=0;o<3;++o)for(e.lineWidth(this.contourWidth[o]),l.uniforms.permutation=D[o],n=0;n>4)/16)/255,i=Math.floor(n),a=n-i,o=e[1]*(t.value[1]+(15&t.value[2])/16)/255,s=Math.floor(o),l=o-s;i+=1,s+=1;var c=r.position;c[0]=c[1]=c[2]=0;for(var u=0;u<2;++u)for(var f=u?a:1-a,h=0;h<2;++h)for(var d=i+u,p=s+h,m=f*(h?l:1-l),g=0;g<3;++g)c[g]+=this._field[g].get(d,p)*m;for(var v=this._pickResult.level,y=0;y<3;++y)if(v[y]=w.le(this.contourLevels[y],c[y]),v[y]<0)this.contourLevels[y].length>0&&(v[y]=0);else if(v[y]Math.abs(b-c[y])&&(v[y]+=1)}for(r.index[0]=a<.5?i:i+1,r.index[1]=l<.5?s:s+1,r.uv[0]=n/e[0],r.uv[1]=o/e[1],g=0;g<3;++g)r.dataCoordinate[g]=this._field[g].get(r.index[0],r.index[1]);return r},P.update=function(t){t=t||{},this.dirty=!0,"contourWidth"in t&&(this.contourWidth=s(t.contourWidth,Number)),"showContour"in t&&(this.showContour=s(t.showContour,Boolean)),"showSurface"in t&&(this.showSurface=!!t.showSurface),"contourTint"in t&&(this.contourTint=s(t.contourTint,Boolean)),"contourColor"in t&&(this.contourColor=c(t.contourColor)),"contourProject"in t&&(this.contourProject=s(t.contourProject,function(t){return s(t,Boolean)})),"surfaceProject"in t&&(this.surfaceProject=t.surfaceProject),"dynamicColor"in t&&(this.dynamicColor=c(t.dynamicColor)),"dynamicTint"in t&&(this.dynamicTint=s(t.dynamicTint,Number)),"dynamicWidth"in t&&(this.dynamicWidth=s(t.dynamicWidth,Number)),"opacity"in t&&(this.opacity=t.opacity),"colorBounds"in t&&(this.colorBounds=t.colorBounds),"vertexColor"in t&&(this.vertexColor=t.vertexColor?1:0);var e=t.field||t.coords&&t.coords[2]||null,r=!1;if(e||(e=this._field[2].shape[0]||this._field[2].shape[2]?this._field[2].lo(1,1).hi(this._field[2].shape[0]-2,this._field[2].shape[1]-2):this._field[2].hi(0,0)),"field"in t||"coords"in t){var n=(e.shape[0]+2)*(e.shape[1]+2);n>this._field[2].data.length&&(p.freeFloat(this._field[2].data),this._field[2].data=p.mallocFloat(u.nextPow2(n))),this._field[2]=y(this._field[2].data,[e.shape[0]+2,e.shape[1]+2]),o(this._field[2],e),this.shape=e.shape.slice();for(var i=this.shape,a=0;a<2;++a)this._field[2].size>this._field[a].data.length&&(p.freeFloat(this._field[a].data),this._field[a].data=p.mallocFloat(this._field[2].size)),this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2]);if(t.coords){var l=t.coords;if(!Array.isArray(l)||3!==l.length)throw new Error("gl-surface: invalid coordinates for x/y");for(a=0;a<2;++a){var f=l[a];for(w=0;w<2;++w)if(f.shape[w]!==i[w])throw new Error("gl-surface: coords have incorrect shape");o(this._field[a],f)}}else if(t.ticks){var h=t.ticks;if(!Array.isArray(h)||2!==h.length)throw new Error("gl-surface: invalid ticks");for(a=0;a<2;++a){var d=h[a];if((Array.isArray(d)||d.length)&&(d=y(d)),d.shape[0]!==i[a])throw new Error("gl-surface: invalid tick length");var b=y(d.data,i);b.stride[a]=d.stride[0],b.stride[1^a]=0,o(this._field[a],b)}}else{for(a=0;a<2;++a){var _=[0,0];_[a]=1,this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2],_,0)}this._field[0].set(0,0,0);for(var w=0;w0){for(var Mt=0;Mt<5;++Mt)nt.pop();Y-=1}continue 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l=o(n,e.stride.slice()),h=0;"float32"===r?h=t.FLOAT:"float64"===r?(h=t.FLOAT,l=!1,r="float32"):"uint8"===r?h=t.UNSIGNED_BYTE:(h=t.UNSIGNED_BYTE,l=!1,r="uint8");var d=0;if(2===n.length)d=t.LUMINANCE,n=[n[0],n[1],1],e=c(e.data,n,[e.stride[0],e.stride[1],1],e.offset);else{if(3!==n.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===n[2])d=t.ALPHA;else if(2===n[2])d=t.LUMINANCE_ALPHA;else if(3===n[2])d=t.RGB;else{if(4!==n[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");d=t.RGBA}}h!==t.FLOAT||t.getExtension("OES_texture_float")||(h=t.UNSIGNED_BYTE,l=!1);var p,g,v=e.size;if(l)p=0===e.offset&&e.data.length===v?e.data:e.data.subarray(e.offset,e.offset+v);else{var y=[n[2],n[2]*n[0],1];g=f.malloc(v,r);var x=c(g,n,y,0);"float32"!==r&&"float64"!==r||h!==t.UNSIGNED_BYTE?u.assign(x,e):m(x,e),p=g.subarray(0,v)}var b=s(t);return t.texImage2D(t.TEXTURE_2D,0,d,n[0],n[1],0,d,h,p),l||f.free(g),new a(t,b,n[0],n[1],d,h)}(t,e)}throw new Error("gl-texture2d: Invalid 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how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_linewidth = vec2(outset, inset);\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linepattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_blur;\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\nuniform float u_opacity;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n float y_a = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_a.y);\n float y_b = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_b.y);\n vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n alpha *= u_opacity;\n\n gl_FragColor = color * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist = outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n v_linesofar = a_linesofar;\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_linewidth = vec2(outset, inset);\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linesdfpattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\n\nuniform float u_blur;\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n float sdfdist_a = texture2D(u_image, v_tex_a).a;\n float sdfdist_b = texture2D(u_image, v_tex_b).a;\n float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist = outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_linewidth = vec2(outset, inset);\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},outline:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n #pragma mapbox: initialize lowp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = smoothstep(1.0, 0.0, dist);\n gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},outlinepattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n // find distance to outline for alpha interpolation\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = smoothstep(1.0, 0.0, dist);\n \n\n gl_FragColor = mix(color1, color2, u_mix) * alpha * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n // the correct offset needs to be calculated.\n //\n // The offset depends on how many pixels are between the world origin and\n // the edge of the tile:\n // vec2 offset = mod(pixel_coord, size)\n //\n // At high zoom levels there are a ton of pixels between the world origin\n // and the edge of the tile. The glsl spec only guarantees 16 bits of\n // precision for highp floats. We need more than that.\n //\n // The pixel_coord is passed in as two 16 bit values:\n // pixel_coord_upper = floor(pixel_coord / 2^16)\n // pixel_coord_lower = mod(pixel_coord, 2^16)\n //\n // The offset is calculated in a series of steps that should preserve this precision:\n vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n\n v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},pattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n gl_FragColor = mix(color1, color2, u_mix) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n // the correct offset needs to be calculated.\n //\n // The offset depends on how many pixels are between the world origin and\n // the edge of the tile:\n // vec2 offset = mod(pixel_coord, size)\n //\n // At high zoom levels there are a ton of pixels between the world origin\n // and the edge of the tile. The glsl spec only guarantees 16 bits of\n // precision for highp floats. We need more than that.\n //\n // The pixel_coord is passed in as two 16 bit values:\n // pixel_coord_upper = floor(pixel_coord / 2^16)\n // pixel_coord_lower = mod(pixel_coord, 2^16)\n //\n // The offset is calculated in a series of steps that should preserve this precision:\n vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n}\n"},raster:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity0;\nuniform float u_opacity1;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n // read and cross-fade colors from the main and parent tiles\n vec4 color0 = texture2D(u_image0, v_pos0);\n vec4 color1 = texture2D(u_image1, v_pos1);\n vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\n vec3 rgb = color.rgb;\n\n // spin\n rgb = vec3(\n dot(rgb, u_spin_weights.xyz),\n dot(rgb, u_spin_weights.zxy),\n dot(rgb, u_spin_weights.yzx));\n\n // saturation\n float average = (color.r + color.g + color.b) / 3.0;\n rgb += (average - rgb) * u_saturation_factor;\n\n // contrast\n rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n // brightness\n vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb), color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},icon:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_opacity;\n gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n vec2 a_tex = a_texture_pos.xy;\n mediump float a_labelminzoom = a_data[0];\n mediump vec2 a_zoom = a_data.pq;\n mediump float a_minzoom = a_zoom[0];\n mediump float a_maxzoom = a_zoom[1];\n\n // u_zoom is the current zoom level adjusted for the change in font size\n mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n if (u_rotate_with_map) {\n gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n gl_Position.z += z * gl_Position.w;\n } else {\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n }\n\n v_tex = a_tex / u_texsize;\n v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},sdf:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n lowp float dist = texture2D(u_texture, v_tex).a;\n lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n lowp float gamma = u_gamma * v_gamma_scale;\n lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nconst float PI = 3.141592653589793;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_tex = a_texture_pos.xy;\n mediump float a_labelminzoom = a_data[0];\n mediump vec2 a_zoom = a_data.pq;\n mediump float a_minzoom = a_zoom[0];\n mediump float a_maxzoom = a_zoom[1];\n\n // u_zoom is the current zoom level adjusted for the change in font size\n mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n // pitch-alignment: map\n // rotation-alignment: map | viewport\n if (u_pitch_with_map) {\n lowp float angle = u_rotate_with_map ? (a_data[1] / 256.0 * 2.0 * PI) : u_bearing;\n lowp float asin = sin(angle);\n lowp float acos = cos(angle);\n mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n vec2 offset = RotationMatrix * a_offset;\n vec2 extrude = u_extrude_scale * (offset / 64.0);\n gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n gl_Position.z += z * gl_Position.w;\n // pitch-alignment: viewport\n // rotation-alignment: map\n } else if (u_rotate_with_map) {\n // foreshortening factor to apply on pitched maps\n // as a label goes from horizontal <=> vertical in angle\n // it goes from 0% foreshortening to up to around 70% foreshortening\n lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n lowp float lineangle = a_data[1] / 256.0 * 2.0 * PI;\n\n // use the lineangle to position points a,b along the line\n // project the points and calculate the label angle in projected space\n // this calculation allows labels to be rendered unskewed on pitched maps\n vec4 a = u_matrix * vec4(a_pos, 0, 1);\n vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n lowp float asin = sin(angle);\n lowp float acos = cos(angle);\n mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n vec2 extrude = u_extrude_scale * (offset / 64.0);\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n gl_Position.z += z * gl_Position.w;\n // pitch-alignment: viewport\n // rotation-alignment: viewport\n } else {\n vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n }\n\n v_gamma_scale = (gl_Position.w - 0.5);\n\n v_tex = a_tex / u_texsize;\n v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},collisionbox:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n float alpha = 0.5;\n\n gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n if (v_placement_zoom > u_zoom) {\n gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n }\n\n if (u_zoom >= v_max_zoom) {\n gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n }\n\n if (v_placement_zoom >= u_maxzoom) {\n gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n }\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n v_max_zoom = a_data.x;\n v_placement_zoom = a_data.y;\n}\n"}},e.exports.util="float evaluate_zoom_function_1(const vec4 values, const float t) {\n if (t < 1.0) {\n return mix(values[0], values[1], t);\n } else if (t < 2.0) {\n return mix(values[1], values[2], t - 1.0);\n } else {\n return mix(values[2], values[3], t - 2.0);\n }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n if (t < 1.0) {\n return mix(value0, value1, t);\n } else if (t < 2.0) {\n return mix(value1, value2, t - 1.0);\n } else {\n return mix(value2, value3, t - 2.0);\n }\n}\n"},{path:468}],295:[function(t,e,r){"use strict";var n=t("util").format;e.exports=function(t,e){this.message=(t?t+": ":"")+n.apply(n,Array.prototype.slice.call(arguments,2)),null!==e&&void 0!==e&&e.__line__&&(this.line=e.__line__)}},{util:563}],296:[function(t,e,r){"use strict";e.exports=function(t){for(var e=1;e7)return[new n(u,l,"constants have been deprecated as of v8")];if(!(l in h.constants))return[new n(u,l,'constant "%s" not found',l)];e=a({},e,{value:h.constants[l]})}return c.function&&"object"===i(l)?r(e):c.type&&s[c.type]?s[c.type](e):o(a({},e,{valueSpec:c.type?f[c.type]:c}))}},{"../error/validation_error":295,"../util/extend":296,"../util/get_type":297,"./validate_array":300,"./validate_boolean":301,"./validate_color":302,"./validate_constants":303,"./validate_enum":304,"./validate_filter":305,"./validate_function":306,"./validate_layer":308,"./validate_number":310,"./validate_object":311,"./validate_source":313,"./validate_string":314}],300:[function(t,e,r){"use strict";var n=t("../util/get_type"),i=t("./validate"),a=t("../error/validation_error");e.exports=function(t){var e=t.value,r=t.valueSpec,o=t.style,s=t.styleSpec,l=t.key,c=t.arrayElementValidator||i;if("array"!==n(e))return[new a(l,e,"array expected, %s found",n(e))];if(r.length&&e.length!==r.length)return[new a(l,e,"array length %d expected, length %d found",r.length,e.length)];if(r["min-length"]&&e.length7)return r?[new n(e,r,"constants have been deprecated as of v8")]:[];var a=i(r);if("object"!==a)return[new n(e,r,"object expected, %s found",a)];var o=[];for(var s in r)"@"!==s[0]&&o.push(new n(e+"."+s,r[s],'constants must start with "@"'));return o}},{"../error/validation_error":295,"../util/get_type":297}],304:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/unbundle_jsonlint");e.exports=function(t){var e=t.key,r=t.value,a=t.valueSpec,o=[];return-1===a.values.indexOf(i(r))&&o.push(new n(e,r,"expected one of [%s], %s found",a.values.join(", "),r)),o}},{"../error/validation_error":295,"../util/unbundle_jsonlint":298}],305:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("./validate_enum"),a=t("../util/get_type"),o=t("../util/unbundle_jsonlint");e.exports=function t(e){var r,s=e.value,l=e.key,c=e.styleSpec,u=[];if("array"!==a(s))return[new n(l,s,"array expected, %s found",a(s))];if(s.length<1)return[new n(l,s,"filter array must have at least 1 element")];switch(u=u.concat(i({key:l+"[0]",value:s[0],valueSpec:c.filter_operator,style:e.style,styleSpec:e.styleSpec})),o(s[0])){case"<":case"<=":case">":case">=":s.length>=2&&"$type"==s[1]&&u.push(new n(l,s,'"$type" cannot be use with operator "%s"',s[0]));case"==":case"!=":3!=s.length&&u.push(new n(l,s,'filter array for operator "%s" must have 3 elements',s[0]));case"in":case"!in":s.length>=2&&("string"!==(r=a(s[1]))?u.push(new n(l+"[1]",s[1],"string expected, %s found",r)):"@"===s[1][0]&&u.push(new n(l+"[1]",s[1],"filter key cannot be a constant")));for(var f=2;f=8&&(f&&!t.valueSpec["property-function"]?d.push(new n(t.key,t.value,"property functions not supported")):h&&!t.valueSpec["zoom-function"]&&d.push(new n(t.key,t.value,"zoom functions not supported"))),d}},{"../error/validation_error":295,"../util/get_type":297,"./validate":299,"./validate_array":300,"./validate_number":310,"./validate_object":311}],307:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("./validate_string");e.exports=function(t){var e=t.value,r=t.key,a=i(t);return a.length?a:(-1===e.indexOf("{fontstack}")&&a.push(new n(r,e,'"glyphs" url must include a "{fontstack}" token')),-1===e.indexOf("{range}")&&a.push(new n(r,e,'"glyphs" url must include a "{range}" token')),a)}},{"../error/validation_error":295,"./validate_string":314}],308:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/unbundle_jsonlint"),a=t("./validate_object"),o=t("./validate_filter"),s=t("./validate_paint_property"),l=t("./validate_layout_property"),c=t("../util/extend");e.exports=function(t){var e=[],r=t.value,u=t.key,f=t.style,h=t.styleSpec;r.type||r.ref||e.push(new n(u,r,'either "type" or "ref" is required'));var d=i(r.type),p=i(r.ref);if(r.id)for(var m=0;ma.maximum?[new i(e,r,"%s is greater than the maximum value %s",r,a.maximum)]:[]}},{"../error/validation_error":295,"../util/get_type":297}],311:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/get_type"),a=t("./validate");e.exports=function(t){var e=t.key,r=t.value,o=t.valueSpec,s=t.objectElementValidators||{},l=t.style,c=t.styleSpec,u=[],f=i(r);if("object"!==f)return[new n(e,r,"object expected, %s found",f)];for(var h in r){var d=h.split(".")[0],p=o&&(o[d]||o["*"]),m=s[d]||s["*"];p||m?u=u.concat((m||a)({key:(e?e+".":e)+h,value:r[h],valueSpec:p,style:l,styleSpec:c,object:r,objectKey:h})):""!==e&&1!==e.split(".").length&&u.push(new n(e,r[h],'unknown property "%s"',h))}for(d in o)o[d].required&&void 0===o[d].default&&void 0===r[d]&&u.push(new n(e,r,'missing required property "%s"',d));return u}},{"../error/validation_error":295,"../util/get_type":297,"./validate":299}],312:[function(t,e,r){"use strict";var n=t("./validate"),i=t("../error/validation_error");e.exports=function(t){var e=t.key,r=t.style,a=t.styleSpec,o=t.value,s=t.objectKey,l=a["paint_"+t.layerType],c=s.match(/^(.*)-transition$/);return c&&l[c[1]]&&l[c[1]].transition?n({key:e,value:o,valueSpec:a.transition,style:r,styleSpec:a}):t.valueSpec||l[s]?n({key:t.key,value:o,valueSpec:t.valueSpec||l[s],style:r,styleSpec:a}):[new i(e,o,'unknown property "%s"',s)]}},{"../error/validation_error":295,"./validate":299}],313:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/unbundle_jsonlint"),a=t("./validate_object"),o=t("./validate_enum");e.exports=function(t){var e=t.value,r=t.key,s=t.styleSpec,l=t.style;if(!e.type)return[new n(r,e,'"type" is required')];switch(i(e.type)){case"vector":case"raster":var c=[];if(c=c.concat(a({key:r,value:e,valueSpec:s.source_tile,style:t.style,styleSpec:s})),"url"in e)for(var u in e)["type","url","tileSize"].indexOf(u)<0&&c.push(new n(r+"."+u,e[u],'a source with a "url" property may not include a "%s" property',u));return c;case"geojson":return a({key:r,value:e,valueSpec:s.source_geojson,style:l,styleSpec:s});case"video":return 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f=this.prepareArrayGroup("circle",4),h=f.layoutVertexArray,d=this.addCircleVertex(h,c,u,-1,-1);this.addCircleVertex(h,c,u,1,-1),this.addCircleVertex(h,c,u,1,1),this.addCircleVertex(h,c,u,-1,1),f.elementArray.emplaceBack(d,d+1,d+2),f.elementArray.emplaceBack(d,d+3,d+2)}}this.populatePaintArrays("circle",e,t.properties,n,i)}},{"../../util/util":433,"../bucket":320,"../load_geometry":328}],322:[function(t,e,r){"use strict";function n(){i.apply(this,arguments)}var i=t("../bucket"),a=t("../../util/util"),o=t("../load_geometry"),s=t("earcut"),l=t("../../util/classify_rings");e.exports=n,(n.prototype=a.inherit(i,{})).programInterfaces={fill:{layoutVertexArrayType:new i.VertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:new i.ElementArrayType(1),elementArrayType2:new i.ElementArrayType(2),paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(t,e,r){return t.getPaintValue("fill-color",e,r)},multiplier:255,paintProperty:"fill-color"},{name:"a_outline_color",components:4,type:"Uint8",getValue:function(t,e,r){return t.getPaintValue("fill-outline-color",e,r)},multiplier:255,paintProperty:"fill-outline-color"},{name:"a_opacity",components:1,type:"Uint8",getValue:function(t,e,r){return[t.getPaintValue("fill-opacity",e,r)]},multiplier:255,paintProperty:"fill-opacity"}]}},n.prototype.addFeature=function(t){for(var e=o(t),r=l(e,500),n=this.prepareArrayGroup("fill",0),i=n.layoutVertexArray.length,a=0;a0&&a.push(i.length/2);for(var u=0;u=1&&n.elementArray2.emplaceBack(h-1,h),i.push(f.x),i.push(f.y)}}for(var d=s(i,a),p=0;p>6)},n.prototype.programInterfaces={line:{layoutVertexArrayType:new i.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]),elementArrayType:new i.ElementArrayType}},n.prototype.addFeature=function(t){for(var e=o(t,15),r=0;r2&&t[a-1].equals(t[a-2]);)a--;if(!(t.length<2)){"bevel"===e&&(n=1.05);var o=s/(512*this.overscaling)*15,c=t[0],u=t[a-1],f=c.equals(u);if(this.prepareArrayGroup("line",10*a),2!==a||!f){this.distance=0;var h,d,p,m,g,v,y,x=r,b=f?"butt":r,_=!0;this.e1=this.e2=this.e3=-1,f&&(h=t[a-2],g=c.sub(h)._unit()._perp());for(var w=0;w0){var S=h.dist(d);if(S>2*o){var E=h.sub(h.sub(d)._mult(o/S)._round());this.distance+=E.dist(d),this.addCurrentVertex(E,this.distance,m.mult(1),0,0,!1),d=E}}var L=d&&p,C=L?e:p?x:b;if(L&&"round"===C&&(An&&(C="bevel"),"bevel"===C&&(A>2&&(C="flipbevel"),A100)M=g.clone();else{var z=m.x*g.y-m.y*g.x>0?-1:1,D=A*m.add(g).mag()/m.sub(g).mag();M._perp()._mult(D*z)}this.addCurrentVertex(h,this.distance,M,0,0,!1),this.addCurrentVertex(h,this.distance,M.mult(-1),0,0,!1)}else if("bevel"===C||"fakeround"===C){var I=m.x*g.y-m.y*g.x>0,P=-Math.sqrt(A*A-1);if(I?(y=0,v=P):(v=0,y=P),_||this.addCurrentVertex(h,this.distance,m,v,y,!1),"fakeround"===C){for(var O,F=Math.floor(8*(.5-(k-.5))),R=0;R=0;N--)O=m.mult((N+1)/(F+1))._add(g)._unit(),this.addPieSliceVertex(h,this.distance,O,I)}p&&this.addCurrentVertex(h,this.distance,g,-v,-y,!1)}else"butt"===C?(_||this.addCurrentVertex(h,this.distance,m,0,0,!1),p&&this.addCurrentVertex(h,this.distance,g,0,0,!1)):"square"===C?(_||(this.addCurrentVertex(h,this.distance,m,1,1,!1),this.e1=this.e2=-1),p&&this.addCurrentVertex(h,this.distance,g,-1,-1,!1)):"round"===C&&(_||(this.addCurrentVertex(h,this.distance,m,0,0,!1),this.addCurrentVertex(h,this.distance,m,1,1,!0),this.e1=this.e2=-1),p&&(this.addCurrentVertex(h,this.distance,g,-1,-1,!0),this.addCurrentVertex(h,this.distance,g,0,0,!1)));if(T&&w2*o){var B=h.add(p.sub(h)._mult(o/j)._round());this.distance+=B.dist(h),this.addCurrentVertex(B,this.distance,g.mult(1),0,0,!1),h=B}}_=!1}}}},n.prototype.addCurrentVertex=function(t,e,r,n,i,a){var o,s=a?1:0,l=this.arrayGroups.line[this.arrayGroups.line.length-1],u=l.layoutVertexArray,f=l.elementArray;o=r.clone(),n&&o._sub(r.perp()._mult(n)),this.e3=this.addLineVertex(u,t,o,s,0,n,e),this.e1>=0&&this.e2>=0&&f.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,o=r.mult(-1),i&&o._sub(r.perp()._mult(i)),this.e3=this.addLineVertex(u,t,o,s,1,-i,e),this.e1>=0&&this.e2>=0&&f.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,e>c/2&&(this.distance=0,this.addCurrentVertex(t,this.distance,r,n,i,a))},n.prototype.addPieSliceVertex=function(t,e,r,n){var i=n?1:0;r=r.mult(n?-1:1);var a=this.arrayGroups.line[this.arrayGroups.line.length-1],o=a.layoutVertexArray,s=a.elementArray;this.e3=this.addLineVertex(o,t,r,0,i,0,e),this.e1>=0&&this.e2>=0&&s.emplaceBack(this.e1,this.e2,this.e3),n?this.e2=this.e3:this.e1=this.e3}},{"../../util/util":433,"../bucket":320,"../load_geometry":328}],324:[function(t,e,r){"use strict";function n(t){o.apply(this,arguments),this.showCollisionBoxes=t.showCollisionBoxes,this.overscaling=t.overscaling,this.collisionBoxArray=t.collisionBoxArray,this.symbolQuadsArray=t.symbolQuadsArray,this.symbolInstancesArray=t.symbolInstancesArray,this.sdfIcons=t.sdfIcons,this.iconsNeedLinear=t.iconsNeedLinear,this.adjustedTextSize=t.adjustedTextSize,this.adjustedIconSize=t.adjustedIconSize,this.fontstack=t.fontstack}function i(t,e,r,n,i,a,o,s,l,c,u){return t.emplaceBack(e,r,Math.round(64*n),Math.round(64*i),a/4,o/4,10*(c||0),u,10*(s||0),10*Math.min(l||25,25))}var a=t("point-geometry"),o=t("../bucket"),s=t("../../symbol/anchor"),l=t("../../symbol/get_anchors"),c=t("../../util/token"),u=t("../../symbol/quads"),f=t("../../symbol/shaping"),h=t("../../symbol/resolve_text"),d=t("../../symbol/mergelines"),p=t("../../symbol/clip_line"),m=t("../../util/util"),g=t("../load_geometry"),v=t("../../symbol/collision_feature"),y=f.shapeText,x=f.shapeIcon,b=u.getGlyphQuads,_=u.getIconQuads,w=o.EXTENT;e.exports=n,n.MAX_QUADS=65535,(n.prototype=m.inherit(o,{})).serialize=function(){var t=o.prototype.serialize.apply(this);return t.sdfIcons=this.sdfIcons,t.iconsNeedLinear=this.iconsNeedLinear,t.adjustedTextSize=this.adjustedTextSize,t.adjustedIconSize=this.adjustedIconSize,t.fontstack=this.fontstack,t};var M=new o.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_texture_pos",components:2,type:"Uint16"},{name:"a_data",components:4,type:"Uint8"}]),k=new o.ElementArrayType;n.prototype.addCollisionBoxVertex=function(t,e,r,n,i){return t.emplaceBack(e.x,e.y,Math.round(r.x),Math.round(r.y),10*n,10*i)},n.prototype.programInterfaces={glyph:{layoutVertexArrayType:M,elementArrayType:k},icon:{layoutVertexArrayType:M,elementArrayType:k},collisionBox:{layoutVertexArrayType:new o.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}])}},n.prototype.populateArrays=function(t,e,r){var n={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};this.adjustedTextMaxSize=this.layer.getLayoutValue("text-size",{zoom:18,zoomHistory:n}),this.adjustedTextSize=this.layer.getLayoutValue("text-size",{zoom:this.zoom+1,zoomHistory:n}),this.adjustedIconMaxSize=this.layer.getLayoutValue("icon-size",{zoom:18,zoomHistory:n}),this.adjustedIconSize=this.layer.getLayoutValue("icon-size",{zoom:this.zoom+1,zoomHistory:n});var i=512*this.overscaling;this.tilePixelRatio=w/i,this.compareText={},this.iconsNeedLinear=!1,this.symbolInstancesStartIndex=this.symbolInstancesArray.length;var a=this.layer.layout,o=this.features,s=this.textFeatures,l=.5,u=.5;switch(a["text-anchor"]){case"right":case"top-right":case"bottom-right":l=1;break;case"left":case"top-left":case"bottom-left":l=0}switch(a["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":u=1;break;case"top":case"top-right":case"top-left":u=0}for(var f="right"===a["text-justify"]?1:"left"===a["text-justify"]?0:.5,h=24*a["text-line-height"],p="line"!==a["symbol-placement"]?24*a["text-max-width"]:0,v=24*a["text-letter-spacing"],b=[24*a["text-offset"][0],24*a["text-offset"][1]],_=this.fontstack=a["text-font"].join(","),M=[],k=0;kw||L.y<0||L.y>w);if(!d||C){var z=C||b;this.addSymbolInstance(L,T,e,r,this.layer,z,this.symbolInstancesArray.length,this.collisionBoxArray,n.index,this.sourceLayerIndex,this.index,c,m,y,f,g,x,{zoom:this.zoom},n.properties)}}}},n.prototype.anchorIsTooClose=function(t,e,r){var n=this.compareText;if(t in n){for(var i=n[t],a=i.length-1;a>=0;a--)if(r.dist(i[a])3*Math.PI/2))){var g=p.tl,v=p.tr,y=p.bl,x=p.br,b=p.tex,_=p.anchorPoint,w=Math.max(f+Math.log(p.minScale)/Math.LN2,h),M=Math.min(f+Math.log(p.maxScale)/Math.LN2,25);if(!(M<=w)){w===h&&(w=0);var k=Math.round(p.glyphAngle/(2*Math.PI)*256),A=i(u,_.x,_.y,g.x,g.y,b.x,b.y,w,M,h,k);i(u,_.x,_.y,v.x,v.y,b.x+b.w,b.y,w,M,h,k),i(u,_.x,_.y,y.x,y.y,b.x,b.y+b.h,w,M,h,k),i(u,_.x,_.y,x.x,x.y,b.x+b.w,b.y+b.h,w,M,h,k),c.emplaceBack(A,A+1,A+2),c.emplaceBack(A+1,A+2,A+3)}}}},n.prototype.updateIcons=function(t){this.recalculateStyleLayers();var e=this.layer.layout["icon-image"];if(e)for(var r=0;rn.MAX_QUADS&&m.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),A>n.MAX_QUADS&&m.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),this.symbolInstancesArray.emplaceBack(I,P,O,F,k,A,T,S,t.x,t.y,s)},n.prototype.addSymbolQuad=function(t){return this.symbolQuadsArray.emplaceBack(t.anchorPoint.x,t.anchorPoint.y,t.tl.x,t.tl.y,t.tr.x,t.tr.y,t.bl.x,t.bl.y,t.br.x,t.br.y,t.tex.h,t.tex.w,t.tex.x,t.tex.y,t.anchorAngle,t.glyphAngle,t.maxScale,t.minScale)}},{"../../symbol/anchor":382,"../../symbol/clip_line":384,"../../symbol/collision_feature":386,"../../symbol/get_anchors":388,"../../symbol/mergelines":391,"../../symbol/quads":392,"../../symbol/resolve_text":393,"../../symbol/shaping":394,"../../util/token":432,"../../util/util":433,"../bucket":320,"../load_geometry":328,"point-geometry":477}],325:[function(t,e,r){"use strict";function n(t,e,r){this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.attributes=e.members,this.itemSize=e.bytesPerElement,this.type=r,this.arrayType=e}e.exports=n,n.prototype.bind=function(t){var e=t[this.type];this.buffer?t.bindBuffer(e,this.buffer):(this.buffer=t.createBuffer(),t.bindBuffer(e,this.buffer),t.bufferData(e,this.arrayBuffer,t.STATIC_DRAW),this.arrayBuffer=null)};var i={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"};n.prototype.setVertexAttribPointers=function(t,e){for(var r=0;r0?t["line-gap-width"]+2*t["line-width"]:t["line-width"]}function s(t,e,r,n,i){if(!e[0]&&!e[1])return t;e=l.convert(e),"viewport"===r&&e._rotate(-n);for(var a=[],o=0;or.max||h.yr.max)&&i.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return l}},{"../util/util":433,"./bucket":320,assert:51}],329:[function(t,e,r){"use strict";function n(t,e,r){this.column=t,this.row=e,this.zoom=r}e.exports=n,n.prototype={clone:function(){return new n(this.column,this.row,this.zoom)},zoomTo:function(t){return this.clone()._zoomTo(t)},sub:function(t){return this.clone()._sub(t)},_zoomTo:function(t){var e=Math.pow(2,t-this.zoom);return this.column*=e,this.row*=e,this.zoom=t,this},_sub:function(t){return t=t.zoomTo(this.zoom),this.column-=t.column,this.row-=t.row,this}}},{}],330:[function(t,e,r){"use strict";function n(t,e){if(isNaN(t)||isNaN(e))throw new Error("Invalid LngLat object: ("+t+", "+e+")");if(this.lng=+t,this.lat=+e,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")}e.exports=n;var i=t("../util/util").wrap;n.prototype.wrap=function(){return new n(i(this.lng,-180,180),this.lat)},n.prototype.toArray=function(){return[this.lng,this.lat]},n.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},n.convert=function(t){return t instanceof n?t:Array.isArray(t)?new n(t[0],t[1]):t}},{"../util/util":433}],331:[function(t,e,r){"use strict";function n(t,e){t&&(e?this.extend(t).extend(e):4===t.length?this.extend([t[0],t[1]]).extend([t[2],t[3]]):this.extend(t[0]).extend(t[1]))}e.exports=n;var i=t("./lng_lat");n.prototype={extend:function(t){var e,r,a=this._sw,o=this._ne;if(t instanceof i)e=t,r=t;else{if(!(t instanceof n))return t?this.extend(i.convert(t)||n.convert(t)):this;if(e=t._sw,r=t._ne,!e||!r)return this}return a||o?(a.lng=Math.min(e.lng,a.lng),a.lat=Math.min(e.lat,a.lat),o.lng=Math.max(r.lng,o.lng),o.lat=Math.max(r.lat,o.lat)):(this._sw=new i(e.lng,e.lat),this._ne=new i(r.lng,r.lat)),this},getCenter:function(){return new i((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},getSouthWest:function(){return this._sw},getNorthEast:function(){return this._ne},getNorthWest:function(){return new i(this.getWest(),this.getNorth())},getSouthEast:function(){return new i(this.getEast(),this.getSouth())},getWest:function(){return this._sw.lng},getSouth:function(){return this._sw.lat},getEast:function(){return this._ne.lng},getNorth:function(){return this._ne.lat},toArray:function(){return[this._sw.toArray(),this._ne.toArray()]},toString:function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"}},n.convert=function(t){return!t||t instanceof n?t:new n(t)}},{"./lng_lat":330}],332:[function(t,e,r){"use strict";function n(t,e){this.tileSize=512,this._minZoom=t||0,this._maxZoom=e||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new i(0,0),this.zoom=0,this.angle=0,this._altitude=1.5,this._pitch=0,this._unmodified=!0}var i=t("./lng_lat"),a=t("point-geometry"),o=t("./coordinate"),s=t("../util/util").wrap,l=t("../util/interpolate"),c=t("../source/tile_coord"),u=t("../data/bucket").EXTENT,f=t("gl-matrix"),h=f.vec4,d=f.mat4,p=f.mat2;e.exports=n,n.prototype={get minZoom(){return this._minZoom},set minZoom(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},get maxZoom(){return this._maxZoom},set maxZoom(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},get worldSize(){return this.tileSize*this.scale},get centerPoint(){return this.size._div(2)},get size(){return new a(this.width,this.height)},get bearing(){return-this.angle/Math.PI*180},set bearing(t){var e=-s(t,-180,180)*Math.PI/180;this.angle!==e&&(this._unmodified=!1,this.angle=e,this._calcMatrices(),this.rotationMatrix=p.create(),p.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},get pitch(){return this._pitch/Math.PI*180},set pitch(t){var e=Math.min(60,t)/180*Math.PI;this._pitch!==e&&(this._unmodified=!1,this._pitch=e,this._calcMatrices())},get altitude(){return this._altitude},set altitude(t){var e=Math.max(.75,t);this._altitude!==e&&(this._unmodified=!1,this._altitude=e,this._calcMatrices())},get zoom(){return this._zoom},set zoom(t){var e=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==e&&(this._unmodified=!1,this._zoom=e,this.scale=this.zoomScale(e),this.tileZoom=Math.floor(e),this.zoomFraction=e-this.tileZoom,this._calcMatrices(),this._constrain())},get center(){return this._center},set center(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._calcMatrices(),this._constrain())},coveringZoomLevel:function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},coveringTiles:function(t){var e=this.coveringZoomLevel(t),r=e;if(et.maxzoom&&(e=t.maxzoom);var n=this.locationCoordinate(this.center)._zoomTo(e),i=new a(n.column-.5,n.row-.5);return c.cover(e,[this.pointCoordinate(new a(0,0))._zoomTo(e),this.pointCoordinate(new a(this.width,0))._zoomTo(e),this.pointCoordinate(new a(this.width,this.height))._zoomTo(e),this.pointCoordinate(new a(0,this.height))._zoomTo(e)],t.reparseOverscaled?r:e).sort(function(t,e){return i.dist(t)-i.dist(e)})},resize:function(t,e){this.width=t,this.height=e,this.pixelsToGLUnits=[2/t,-2/e],this._calcMatrices(),this._constrain()},get unmodified(){return this._unmodified},zoomScale:function(t){return Math.pow(2,t)},scaleZoom:function(t){return Math.log(t)/Math.LN2},project:function(t,e){return new a(this.lngX(t.lng,e),this.latY(t.lat,e))},unproject:function(t,e){return new i(this.xLng(t.x,e),this.yLat(t.y,e))},get x(){return this.lngX(this.center.lng)},get y(){return this.latY(this.center.lat)},get point(){return new a(this.x,this.y)},lngX:function(t,e){return(180+t)*(e||this.worldSize)/360},latY:function(t,e){return(180-180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360)))*(e||this.worldSize)/360},xLng:function(t,e){return 360*t/(e||this.worldSize)-180},yLat:function(t,e){var r=180-360*t/(e||this.worldSize);return 360/Math.PI*Math.atan(Math.exp(r*Math.PI/180))-90},panBy:function(t){var e=this.centerPoint._add(t);this.center=this.pointLocation(e)},setLocationAtPoint:function(t,e){var r=this.locationCoordinate(t),n=this.pointCoordinate(e),i=this.pointCoordinate(this.centerPoint),a=n._sub(r);this._unmodified=!1,this.center=this.coordinateLocation(i._sub(a))},locationPoint:function(t){return this.coordinatePoint(this.locationCoordinate(t))},pointLocation:function(t){return this.coordinateLocation(this.pointCoordinate(t))},locationCoordinate:function(t){var e=this.zoomScale(this.tileZoom)/this.worldSize,r=i.convert(t);return new o(this.lngX(r.lng)*e,this.latY(r.lat)*e,this.tileZoom)},coordinateLocation:function(t){var e=this.zoomScale(t.zoom);return new i(this.xLng(t.column,e),this.yLat(t.row,e))},pointCoordinate:function(t){var e=[t.x,t.y,0,1],r=[t.x,t.y,1,1];h.transformMat4(e,e,this.pixelMatrixInverse),h.transformMat4(r,r,this.pixelMatrixInverse);var n=e[3],i=r[3],a=e[0]/n,s=r[0]/i,c=e[1]/n,u=r[1]/i,f=e[2]/n,d=r[2]/i,p=f===d?0:(0-f)/(d-f),m=this.worldSize/this.zoomScale(this.tileZoom);return new o(l(a,s,p)/m,l(c,u,p)/m,this.tileZoom)},coordinatePoint:function(t){var e=this.worldSize/this.zoomScale(t.zoom),r=[t.column*e,t.row*e,0,1];return h.transformMat4(r,r,this.pixelMatrix),new a(r[0]/r[3],r[1]/r[3])},calculatePosMatrix:function(t,e){void 0===e&&(e=1/0),t instanceof c&&(t=t.toCoordinate(e));var r=Math.min(t.zoom,e),n=this.worldSize/Math.pow(2,r),i=new Float64Array(16);return d.identity(i),d.translate(i,i,[t.column*n,t.row*n,0]),d.scale(i,i,[n/u,n/u,1]),d.multiply(i,this.projMatrix,i),new Float32Array(i)},_constrain:function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,e,r,n,i,o,s,l,c=this.size,u=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=(e=this.latY(this.latRange[0]))-te&&(l=e-d)}if(this.lngRange){var p=this.x,m=c.x/2;p-mn&&(s=n-m)}void 0===s&&void 0===l||(this.center=this.unproject(new a(void 0!==s?s:this.x,void 0!==l?l:this.y))),this._unmodified=u,this._constraining=!1}},_calcMatrices:function(){if(this.height){var t=Math.atan(.5/this.altitude),e=Math.sin(t)*this.altitude/Math.sin(Math.PI/2-this._pitch-t),r=Math.cos(Math.PI/2-this._pitch)*e+this.altitude,n=new Float64Array(16);if(d.perspective(n,2*Math.atan(this.height/2/this.altitude),this.width/this.height,.1,r),d.translate(n,n,[0,0,-this.altitude]),d.scale(n,n,[1,-1,1/this.height]),d.rotateX(n,n,this._pitch),d.rotateZ(n,n,this.angle),d.translate(n,n,[-this.x,-this.y,0]),this.projMatrix=n,n=d.create(),d.scale(n,n,[this.width/2,-this.height/2,1]),d.translate(n,n,[1,-1,0]),this.pixelMatrix=d.multiply(new Float64Array(16),n,this.projMatrix),!(n=d.invert(new Float64Array(16),this.pixelMatrix)))throw new Error("failed to invert matrix");this.pixelMatrixInverse=n}}}},{"../data/bucket":320,"../source/tile_coord":360,"../util/interpolate":427,"../util/util":433,"./coordinate":329,"./lng_lat":330,"gl-matrix":198,"point-geometry":477}],333:[function(t,e,r){"use strict";var n={" 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a,o,s,l,c,u,f,h,d=[];for(a=0,o=t.length;a>16,_>>16),s.uniform2f(o.u_pixel_coord_lower,65535&b,65535&_)}s.uniformMatrix4fv(o.u_matrix,!1,t.transform.calculatePosMatrix(v)),s.drawArrays(s.TRIANGLE_STRIP,0,t.tileExtentBuffer.length)}s.stencilMask(0),s.stencilFunc(s.EQUAL,128,128)}},{"../source/pixels_to_tile_units":354,"./create_uniform_pragmas":335}],337:[function(t,e,r){"use strict";var n=t("../util/browser");e.exports=function(t,e,r,i){if(!t.isOpaquePass){var a=t.gl;t.setDepthSublayer(0),t.depthMask(!1),a.disable(a.STENCIL_TEST);for(var o=0;o>16,h>>16),s.uniform2f(o.u_pixel_coord_lower,65535&f,65535&h),s.activeTexture(s.TEXTURE0),a.spriteAtlas.bind(s,!0)}}var i=t("../source/pixels_to_tile_units");e.exports=function(t,e,r,i){var a=t.gl;a.enable(a.STENCIL_TEST);var o;if(o=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"],t.isOpaquePass===o){t.setDepthSublayer(1);for(var s=0;s0?1-1/(1.001-t):-t}(r.paint["raster-saturation"])),a.uniform1f(l.u_contrast_factor,function(t){return t>0?1/(1-t):1+t}(r.paint["raster-contrast"])),a.uniform3fv(l.u_spin_weights,function(t){t*=Math.PI/180;var e=Math.sin(t),r=Math.cos(t);return[(2*r+1)/3,(-Math.sqrt(3)*e-r+1)/3,(Math.sqrt(3)*e-r+1)/3]}(r.paint["raster-hue-rotate"]));var c,u,f=o.source&&o.source.findLoadedParent(n,0,{}),h=function(t,e,r,n){var a=[1,0],o=r.paint["raster-fade-duration"];if(t.source&&o>0){var s=(new Date).getTime(),l=(s-t.timeAdded)/o,c=e?(s-e.timeAdded)/o:-1,u=n.coveringZoomLevel(t.source),f=!!e&&Math.abs(e.coord.z-u)>Math.abs(t.coord.z-u);!e||f?(a[0]=i.clamp(l,0,1),a[1]=1-a[0]):(a[0]=i.clamp(1-c,0,1),a[1]=1-a[0])}var h=r.paint["raster-opacity"];return a[0]*=h,a[1]*=h,a}(o,f,r,t.transform);a.activeTexture(a.TEXTURE0),a.bindTexture(a.TEXTURE_2D,o.texture),a.activeTexture(a.TEXTURE1),f?(a.bindTexture(a.TEXTURE_2D,f.texture),c=Math.pow(2,f.coord.z-o.coord.z),u=[o.coord.x*c%1,o.coord.y*c%1]):(a.bindTexture(a.TEXTURE_2D,o.texture),h[1]=0);a.uniform2fv(l.u_tl_parent,u||[0,0]),a.uniform1f(l.u_scale_parent,c||1),a.uniform1f(l.u_buffer_scale,1),a.uniform1f(l.u_opacity0,h[0]),a.uniform1f(l.u_opacity1,h[1]),a.uniform1i(l.u_image0,0),a.uniform1i(l.u_image1,1);var d=o.boundsBuffer||t.rasterBoundsBuffer;(o.boundsVAO||t.rasterBoundsVAO).bind(a,l,d),a.drawArrays(a.TRIANGLE_STRIP,0,d.length)}(t,e,r,l)}a.depthFunc(a.LEQUAL)}}var i=t("../util/util"),a=t("../util/struct_array");e.exports=n,n.RasterBoundsArray=new a({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]})},{"../util/struct_array":431,"../util/util":433}],343:[function(t,e,r){"use strict";function n(t,e,r,n,a,s,l,c,u,f,h,d,p,m,g){for(var v=0;vthis.previousZoom;r--)this.changeTimes[r]=e,this.changeOpacities[r]=this.opacities[r];for(r=0;r<256;r++){var n=(e-this.changeTimes[r])/this.fadeDuration*255;this.opacities[r]=r<=t?this.changeOpacities[r]+n:this.changeOpacities[r]-n}this.changed=!0,this.previousZoom=t},n.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.changed&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,256,1,t.ALPHA,t.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,256,1,0,t.ALPHA,t.UNSIGNED_BYTE,this.array))}},{}],345:[function(t,e,r){"use strict";function n(t,e){this.width=t,this.height=e,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}}var i=t("../util/util");e.exports=n,n.prototype.setSprite=function(t){this.sprite=t},n.prototype.getDash=function(t,e){var r=t.join(",")+e;return this.positions[r]||(this.positions[r]=this.addDash(t,e)),this.positions[r]},n.prototype.addDash=function(t,e){var r=e?7:0,n=2*r+1;if(this.nextRow+n>this.height)return i.warnOnce("LineAtlas out of space"),null;for(var a=0,o=0;o0?e.pop():null},n.prototype.lineWidth=function(t){this.gl.lineWidth(u.clamp(t,this.lineWidthRange[0],this.lineWidthRange[1]))},n.prototype.showOverdrawInspector=function(t){if(t||this._showOverdrawInspector){this._showOverdrawInspector=t;var e=this.gl;if(t){e.blendFunc(e.CONSTANT_COLOR,e.ONE);e.blendColor(1/8,1/8,1/8,0),e.clearColor(0,0,0,1),e.clear(e.COLOR_BUFFER_BIT)}else e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA)}}},{"../data/bucket":320,"../data/buffer":325,"../source/pixels_to_tile_units":354,"../source/source_cache":358,"../util/browser":417,"../util/struct_array":431,"../util/util":433,"./create_uniform_pragmas":335,"./draw_background":336,"./draw_circle":337,"./draw_debug":339,"./draw_fill":340,"./draw_line":341,"./draw_raster":342,"./draw_symbol":343,"./frame_history":344,"./painter/use_program":347,"./vertex_array_object":348,"gl-matrix":198}],347:[function(t,e,r){"use strict";function n(t,e){return t.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(t,r,n,i,a){return e[r][a].replace(/{type}/g,i).replace(/{precision}/g,n)})}var i=t("assert"),a=t("../../util/util"),o=t("mapbox-gl-shaders"),s=o.util;e.exports._createProgram=function(t,e,r,l){for(var c=this.gl,u=c.createProgram(),f=o[t],h="#define MAPBOX_GL_JS;\n",d=0;dthis.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,n={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:r,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("load tile",n,function(r,n){if(t.unloadVectorData(this.map.painter),!t.aborted)return r?e(r):(t.loadVectorData(n,this.map.style),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(this)),e(null))}.bind(this),this.workerID)},abortTile:function(t){t.aborted=!0},unloadTile:function(t){t.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},function(){},t.workerID)},serialize:function(){return{type:this.type,data:this._data}}})},{"../data/bucket":320,"../util/evented":425,"../util/util":433,"resolve-url":508}],350:[function(t,e,r){"use strict";function n(t,e,r){r&&(this.loadGeoJSON=r),f.call(this,t,e)}var i=t("../util/util"),a=t("../util/ajax"),o=t("geojson-rewind"),s=t("./geojson_wrapper"),l=t("vt-pbf"),c=t("supercluster"),u=t("geojson-vt"),f=t("./vector_tile_worker_source");e.exports=n,n.prototype=i.inherit(f,{_geoJSONIndexes:{},loadVectorData:function(t,e){var r=t.source,n=t.coord;if(!this._geoJSONIndexes[r])return e(null,null);var i=this._geoJSONIndexes[r].getTile(Math.min(n.z,t.maxZoom),n.x,n.y);if(!i)return e(null,null);var a=new s(i.features);a.name="_geojsonTileLayer";var o=l({layers:{_geojsonTileLayer:a}});0===o.byteOffset&&o.byteLength===o.buffer.byteLength||(o=new Uint8Array(o)),e(null,{tile:a,rawTileData:o.buffer})},loadData:function(t,e){var r=function(r,n){return r?e(r):"object"!=typeof n?e(new Error("Input data is not a valid GeoJSON object.")):(o(n,!0),void this._indexData(n,t,function(r,n){if(r)return e(r);this._geoJSONIndexes[t.source]=n,e(null)}.bind(this)))}.bind(this);this.loadGeoJSON(t,r)},loadGeoJSON:function(t,e){if(t.url)a.getJSON(t.url,e);else{if("string"!=typeof t.data)return e(new Error("Input data is not a valid GeoJSON object."));try{return e(null,JSON.parse(t.data))}catch(t){return e(new Error("Input data is not a valid GeoJSON object."))}}},_indexData:function(t,e,r){try{e.cluster?r(null,c(e.superclusterOptions).load(t.features)):r(null,u(t,e.geojsonVtOptions))}catch(t){return r(t)}}})},{"../util/ajax":416,"../util/util":433,"./geojson_wrapper":351,"./vector_tile_worker_source":362,"geojson-rewind":147,"geojson-vt":151,supercluster:538,"vt-pbf":570}],351:[function(t,e,r){"use strict";function n(t){this.features=t,this.length=t.length,this.extent=s}function i(t){if(this.type=t.type,1===t.type){this.rawGeometry=[];for(var e=0;ee)){var o=Math.pow(2,Math.min(a.coord.z,this.maxzoom)-Math.min(t.z,this.maxzoom));if(Math.floor(a.coord.x/o)===t.x&&Math.floor(a.coord.y/o)===t.y)for(r[i]=!0,n=!0;a&&a.coord.z-1>t.z;){var s=a.coord.parent(this.maxzoom).id;(a=this._tiles[s])&&a.isRenderable()&&(delete r[i],r[s]=!0)}}}return n},findLoadedParent:function(t,e,r){for(var n=t.z-1;n>=e;n--){t=t.parent(this.maxzoom);var i=this._tiles[t.id];if(i&&i.isRenderable())return r[t.id]=!0,i;if(this._cache.has(t.id))return this.addTile(t),r[t.id]=!0,this._tiles[t.id]}},updateCacheSize:function(t){var e=(Math.ceil(t.width/t.tileSize)+1)*(Math.ceil(t.height/t.tileSize)+1);this._cache.setMaxSize(Math.floor(5*e))},update:function(t,e){if(this._sourceLoaded){var r,i,a;this.updateCacheSize(t);var o=(this.roundZoom?Math.round:Math.floor)(this.getZoom(t)),s=Math.max(o-n.maxOverzooming,this.minzoom),l=Math.max(o+n.maxUnderzooming,this.minzoom),u={},f=(new Date).getTime();this._coveredTiles={};var d=this.used?t.coveringTiles(this._source):[];for(r=0;rf-(e||0)&&(this.findLoadedChildren(i,l,u)&&(u[v]=!0),this.findLoadedParent(i,s,p))}var y;for(y in p)u[y]||(this._coveredTiles[y]=!0);for(y in p)u[y]=!0;var x=h.keysDifference(this._tiles,u);for(r=0;rthis.maxzoom?Math.pow(2,n-this.maxzoom):1;e=new s(r,this.tileSize*i,this.maxzoom),this.loadTile(e,this._tileLoaded.bind(this,e))}return e.uses++,this._tiles[t.id]=e,this.fire("tile.add",{tile:e}),this._source.fire("tile.add",{tile:e}),e},removeTile:function(t){var e=this._tiles[t];e&&(e.uses--,delete this._tiles[t],this.fire("tile.remove",{tile:e}),this._source.fire("tile.remove",{tile:e}),e.uses>0||(e.isRenderable()?this._cache.add(e.coord.wrapped().id,e):(e.aborted=!0,this.abortTile(e),this.unloadTile(e))))},clearTiles:function(){for(var t in this._tiles)this.removeTile(t);this._cache.reset()},tilesIn:function(t){for(var e={},r=this.getIds(),n=1/0,a=1/0,o=-1/0,s=-1/0,l=t[0].zoom,u=0;u=0&&v[1].y>=0){for(var y=[],x=0;x=0&&t%1==0),s(!isNaN(e)&&e>=0&&e%1==0),s(!isNaN(r)&&r>=0&&r%1==0),isNaN(n)&&(n=0),this.z=+t,this.x=+e,this.y=+r,this.w=+n,(n*=2)<0&&(n=-1*n-1);var i=1<e.row){var r=t;t=e,e=r}return{x0:t.column,y0:t.row,x1:e.column,y1:e.row,dx:e.column-t.column,dy:e.row-t.row}}function a(t,e,r,n,i){var a=Math.max(r,Math.floor(e.y0)),o=Math.min(n,Math.ceil(e.y1));if(t.x0===e.x0&&t.y0===e.y0?t.x0+e.dy/t.dy*t.dx0,f=e.dx<0,h=a;hu.dy&&(l=c,c=u,u=l),c.dy>f.dy&&(l=c,c=f,f=l),u.dy>f.dy&&(l=u,u=f,f=l),c.dy&&a(f,c,n,o,s),u.dy&&a(f,u,n,o,s)}var s=t("assert"),l=t("whoots-js"),c=t("../geo/coordinate");e.exports=n,n.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},n.prototype.toCoordinate=function(t){var e=Math.min(this.z,t),r=Math.pow(2,e),n=this.y,i=this.x+r*this.w;return new c(i,n,e)},n.fromID=function(t){var e=t%32,r=1<0;a--)i+=(e&(n=1<t?new n(this.z-1,this.x,this.y,this.w):new n(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},n.prototype.wrapped=function(){return new n(this.z,this.x,this.y,0)},n.prototype.children=function(t){if(this.z>=t)return[new n(this.z+1,this.x,this.y,this.w)];var e=this.z+1,r=2*this.x,i=2*this.y;return[new n(e,r,i,this.w),new n(e,r+1,i,this.w),new n(e,r,i+1,this.w),new n(e,r+1,i+1,this.w)]},n.cover=function(t,e,r){function i(t,e,i){var o,l;if(i>=0&&i<=a)for(o=t;othis.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,i={url:s(t.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:t.uid,coord:t.coord,zoom:t.coord.z,tileSize:this.tileSize*n,source:this.id,overscaling:n,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID?"loading"===t.state?t.reloadCallback=e:(i.rawTileData=t.rawTileData,this.dispatcher.send("reload tile",i,r.bind(this),t.workerID)):t.workerID=this.dispatcher.send("load tile",i,r.bind(this))},abortTile:function(t){this.dispatcher.send("abort tile",{uid:t.uid,source:this.id},null,t.workerID)},unloadTile:function(t){t.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},null,t.workerID)}})},{"../util/evented":425,"../util/mapbox":430,"../util/util":433,"./load_tilejson":353}],362:[function(t,e,r){"use strict";function n(t,e,r){this.actor=t,this.styleLayers=e,r&&(this.loadVectorData=r),this.loading={},this.loaded={}}var i=t("../util/ajax"),a=t("vector-tile"),o=t("pbf"),s=t("./worker_tile");e.exports=n,n.prototype={loadTile:function(t,e){var r=t.source,n=t.uid;this.loading[r]||(this.loading[r]={});var i=this.loading[r][n]=new s(t);i.abort=this.loadVectorData(t,function(t,a){return delete this.loading[r][n],t?e(t):a?(i.data=a.tile,i.parse(i.data,this.styleLayers.getLayerFamilies(),this.actor,a.rawTileData,e),this.loaded[r]=this.loaded[r]||{},void(this.loaded[r][n]=i)):e(null,null)}.bind(this))},reloadTile:function(t,e){var r=this.loaded[t.source],n=t.uid;if(r&&r[n]){var i=r[n];i.parse(i.data,this.styleLayers.getLayerFamilies(),this.actor,t.rawTileData,e)}},abortTile:function(t){var e=this.loading[t.source],r=t.uid;e&&e[r]&&e[r].abort&&(e[r].abort(),delete e[r])},removeTile:function(t){var e=this.loaded[t.source],r=t.uid;e&&e[r]&&delete e[r]},loadVectorData:function(t,e){var r=i.getArrayBuffer(t.url,function(t,r){if(t)return e(t);var n=new a.VectorTile(new o(new Uint8Array(r)));e(t,{tile:n,rawTileData:r})}.bind(this));return function(){r.abort()}},redoPlacement:function(t,e){var r=this.loaded[t.source],n=this.loading[t.source],i=t.uid;if(r&&r[i]){var a=r[i].redoPlacement(t.angle,t.pitch,t.showCollisionBoxes);a.result&&e(null,a.result,a.transferables)}else n&&n[i]&&(n[i].angle=t.angle)}}},{"../util/ajax":416,"./worker_tile":365,pbf:470,"vector-tile":564}],363:[function(t,e,r){"use strict";function n(t,e){this.id=t,this.urls=e.urls,this.coordinates=e.coordinates,c.getVideo(e.urls,function(t,r){if(t)return this.fire("error",{error:t});this.video=r,this.video.loop=!0;var n;this.video.addEventListener("playing",function(){n=this.map.style.animationLoop.set(1/0),this.map._rerender()}.bind(this)),this.video.addEventListener("pause",function(){this.map.style.animationLoop.cancel(n)}.bind(this)),this.map&&(this.video.play(),this.setCoordinates(e.coordinates)),this.fire("load")}.bind(this))}var i=t("../util/util"),a=t("./tile_coord"),o=t("../geo/lng_lat"),s=t("point-geometry"),l=t("../util/evented"),c=t("../util/ajax"),u=t("../data/bucket").EXTENT,f=t("../render/draw_raster").RasterBoundsArray,h=t("../data/buffer"),d=t("../render/vertex_array_object");e.exports=n,n.prototype=i.inherit(l,{minzoom:0,maxzoom:22,tileSize:512,roundZoom:!0,getVideo:function(){return this.video},onAdd:function(t){this.map||(this.map=t,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},setCoordinates:function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(o.convert(t)).zoomTo(0)}),n=this.centerCoord=i.getCoordinatesCenter(r);return n.column=Math.round(n.column),n.row=Math.round(n.row),this.minzoom=this.maxzoom=n.zoom,this._coord=new a(n.zoom,n.column,n.row),this._tileCoords=r.map(function(t){var e=t.zoomTo(n.zoom);return new s(Math.round((e.column-n.column)*u),Math.round((e.row-n.row)*u))}),this.fire("change"),this},_setTile:function(t){this._prepared=!1,this.tile=t;var e=new f;e.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),e.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,32767,0),e.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,32767),e.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,32767,32767),this.tile.buckets={},this.tile.boundsBuffer=new h(e.serialize(),f.serialize(),h.BufferType.VERTEX),this.tile.boundsVAO=new d,this.tile.state="loaded"},prepare:function(){if(!(this.video.readyState<2)&&this.tile){var t=this.map.painter.gl;this._prepared?(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,this.video)):(this._prepared=!0,this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,this.video)),this._currentTime=this.video.currentTime}},loadTile:function(t,e){this._coord&&this._coord.toString()===t.coord.toString()?(this._setTile(t),e(null)):(t.state="errored",e(null))},serialize:function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}}})},{"../data/bucket":320,"../data/buffer":325,"../geo/lng_lat":330,"../render/draw_raster":342,"../render/vertex_array_object":348,"../util/ajax":416,"../util/evented":425,"../util/util":433,"./tile_coord":360,"point-geometry":477}],364:[function(t,e,r){"use strict";function n(t){this.self=t,this.actor=new a(t,this);var e={getLayers:function(){return this.layers}.bind(this),getLayerFamilies:function(){return this.layerFamilies}.bind(this)};this.workerSources={vector:new l(this.actor,e),geojson:new c(this.actor,e)},this.self.registerWorkerSource=function(t,r){if(this.workerSources[t])throw new Error('Worker source with name "'+t+'" already registered.');this.workerSources[t]=new r(this.actor,e)}.bind(this)}function i(t){var e={};for(var r in t){var n=t[r],i=n.ref||n.id,a=t[i];a.layout&&"none"===a.layout.visibility||(e[i]=e[i]||[],r===i?e[i].unshift(n):e[i].push(n))}return e}var a=t("../util/actor"),o=t("../style/style_layer"),s=t("../util/util"),l=t("./vector_tile_worker_source"),c=t("./geojson_worker_source");e.exports=function(t){return new n(t)},s.extend(n.prototype,{"set layers":function(t){function e(t){var e=o.create(t,t.ref&&r.layers[t.ref]);e.updatePaintTransitions({},{transition:!1}),r.layers[e.id]=e}this.layers={};for(var r=this,n=[],a=0;a=0;e--)x(E,P[e]);b()}}function x(t,e){if(e.populateArrays(A,N,R),"symbol"!==e.type)for(var r=0;r=w.maxzoom||w.layout&&"none"===w.layout.visibility||t.layers&&!t.layers[w.sourceLayer]||((k=u.create({layer:w,index:z++,childLayers:e[D],zoom:this.zoom,overscaling:this.overscaling,showCollisionBoxes:this.showCollisionBoxes,collisionBoxArray:this.collisionBoxArray,symbolQuadsArray:this.symbolQuadsArray,symbolInstancesArray:this.symbolInstancesArray,sourceLayerIndex:S.encode(w.sourceLayer||"_geojsonTileLayer")})).createFilter(),L[w.id]=k,t.layers&&(C[M=w.sourceLayer]=C[M]||{},C[M][w.id]=k)));if(t.layers)for(M in C)1===w.version&&d.warnOnce('Vector tile source "'+this.source+'" layer "'+M+'" does not use vector tile spec v2 and therefore may have some rendering errors.'),(w=t.layers[M])&&v(w,C[M]);else v(t,L);var I=[],P=this.symbolBuckets=[],O=[];T.bucketLayerIDs={};for(var F in L)0!==(k=L[F]).features.length&&(T.bucketLayerIDs[k.index]=k.childLayers.map(s),I.push(k),"symbol"===k.type?P.push(k):O.push(k));var R={},N={},j=0;if(P.length>0){for(_=P.length-1;_>=0;_--)P[_].updateIcons(R),P[_].updateFont(N);for(var B in N)N[B]=Object.keys(N[B]).map(Number);R=Object.keys(R),r.send("get glyphs",{uid:this.uid,stacks:N},function(t,e){N=e,y(t)}),R.length?r.send("get icons",{icons:R},function(t,e){R=e,y(t)}):y()}for(_=O.length-1;_>=0;_--)x(0,O[_]);if(0===P.length)return b()},n.prototype.redoPlacement=function(t,e,r){if("done"!==this.status)return this.redoPlacementAfterDone=!0,this.angle=t,{};for(var n=new c(t,e,this.collisionBoxArray),s=this.symbolBuckets,l=s.length-1;l>=0;l--)s[l].placeFeatures(n,r);var u=n.serialize(),f=s.filter(i);return{result:{buckets:f.map(a),collisionTile:u.data},transferables:o(f).concat(u.transferables)}}},{"../data/bucket":320,"../data/feature_index":327,"../symbol/collision_box":385,"../symbol/collision_tile":387,"../symbol/symbol_instances":396,"../symbol/symbol_quads":397,"../util/dictionary_coder":423,"../util/util":433}],366:[function(t,e,r){"use strict";function n(){this.n=0,this.times=[]}e.exports=n,n.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},n.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},n.prototype.cancel=function(t){this.times=this.times.filter(function(e){return e.id!==t})}},{}],367:[function(t,e,r){"use strict";function n(t){this.base=t,this.retina=s.devicePixelRatio>1;var e=this.retina?"@2x":"";o.getJSON(l(t,e,".json"),function(t,e){t?this.fire("error",{error:t}):(this.data=e,this.img&&this.fire("load"))}.bind(this)),o.getImage(l(t,e,".png"),function(t,e){if(t)this.fire("error",{error:t});else{for(var r=e.getData(),n=e.data=new Uint8Array(r.length),i=0;i1!==this.retina){var t=new n(this.base);t.on("load",function(){this.img=t.img,this.data=t.data,this.retina=t.retina}.bind(this))}},i.prototype={x:0,y:0,width:0,height:0,pixelRatio:1,sdf:!1},n.prototype.getSpritePosition=function(t){if(!this.loaded())return new i;var e=this.data&&this.data[t];return e&&this.img?e:new i}},{"../util/ajax":416,"../util/browser":417,"../util/evented":425,"../util/mapbox":430}],368:[function(t,e,r){"use strict";var n=t("csscolorparser").parseCSSColor,i=t("../util/util"),a=t("./style_function"),o={};e.exports=function t(e){if(a.isFunctionDefinition(e))return i.extend({},e,{stops:e.stops.map(function(e){return[e[0],t(e[1])]})});if("string"==typeof e){if(!o[e]){var r=n(e);if(!r)throw new Error("Invalid color "+e);o[e]=[r[0]/255*r[3],r[1]/255*r[3],r[2]/255*r[3],r[3]]}return o[e]}throw new Error("Invalid color "+e)}},{"../util/util":433,"./style_function":371,csscolorparser:114}],369:[function(t,e,r){"use strict";function n(t,e,r){this.animationLoop=e||new m,this.dispatcher=new p(r||1,this),this.spriteAtlas=new l(1024,1024),this.lineAtlas=new c(256,512),this._layers={},this._order=[],this._groups=[],this.sources={},this.zoomHistory={},u.bindAll(["_forwardSourceEvent","_forwardTileEvent","_forwardLayerEvent","_redoPlacement"],this),this._resetUpdates();var n=function(t,e){if(t)this.fire("error",{error:t});else if(!g.emitErrors(this,g(e))){this._loaded=!0,this.stylesheet=e,this.updateClasses();var r=e.sources;for(var n in r)this.addSource(n,r[n]);e.sprite&&(this.sprite=new o(e.sprite),this.sprite.on("load",this.fire.bind(this,"change"))),this.glyphSource=new s(e.glyphs),this._resolve(),this.fire("load")}}.bind(this);"string"==typeof t?f.getJSON(h(t),n):d.frame(n.bind(this,null,t)),this.on("source.load",function(t){var e=t.source;if(e&&e.vectorLayerIds)for(var r in this._layers){var n=this._layers[r];n.source===e.id&&this._validateLayer(n)}})}var i=t("../util/evented"),a=t("./style_layer"),o=t("./image_sprite"),s=t("../symbol/glyph_source"),l=t("../symbol/sprite_atlas"),c=t("../render/line_atlas"),u=t("../util/util"),f=t("../util/ajax"),h=t("../util/mapbox").normalizeStyleURL,d=t("../util/browser"),p=t("../util/dispatcher"),m=t("./animation_loop"),g=t("./validate_style"),v=t("../source/source"),y=t("../source/query_features"),x=t("../source/source_cache"),b=t("./style_spec"),_=t("./style_function");e.exports=n,n.prototype=u.inherit(i,{_loaded:!1,_validateLayer:function(t){var e=this.sources[t.source];t.sourceLayer&&e&&e.vectorLayerIds&&-1===e.vectorLayerIds.indexOf(t.sourceLayer)&&this.fire("error",{error:new Error('Source layer "'+t.sourceLayer+'" does not exist on source "'+e.id+'" as specified by style layer "'+t.id+'"')})},loaded:function(){if(!this._loaded)return!1;if(Object.keys(this._updates.sources).length)return!1;for(var t in this.sources)if(!this.sources[t].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},_resolve:function(){var t,e;this._layers={},this._order=this.stylesheet.layers.map(function(t){return t.id});for(var r=0;rMath.floor(t)&&(e.lastIntegerZoom=Math.floor(t+1),e.lastIntegerZoomTime=Date.now()),e.lastZoom=t},_checkLoaded:function(){if(!this._loaded)throw new Error("Style is not done loading")},update:function(t,e){if(!this._updates.changed)return this;if(this._updates.allLayers)this._groupLayers(),this._updateWorkerLayers();else{var r=Object.keys(this._updates.layers);r.length&&this._updateWorkerLayers(r)}var n,i=Object.keys(this._updates.sources);for(n=0;n=0&&this._handleErrors(g.source,"sources."+t,e)?this:(e=new x(t,e,this.dispatcher),this.sources[t]=e,e.style=this,e.on("load",this._forwardSourceEvent).on("error",this._forwardSourceEvent).on("change",this._forwardSourceEvent).on("tile.add",this._forwardTileEvent).on("tile.load",this._forwardTileEvent).on("tile.error",this._forwardTileEvent).on("tile.remove",this._forwardTileEvent).on("tile.stats",this._forwardTileEvent),this._updates.events.push(["source.add",{source:e}]),this._updates.changed=!0,this)},removeSource:function(t){if(this._checkLoaded(),void 0===this.sources[t])throw new Error("There is no source with this ID");var e=this.sources[t];return delete this.sources[t],delete this._updates.sources[t],e.off("load",this._forwardSourceEvent).off("error",this._forwardSourceEvent).off("change",this._forwardSourceEvent).off("tile.add",this._forwardTileEvent).off("tile.load",this._forwardTileEvent).off("tile.error",this._forwardTileEvent).off("tile.remove",this._forwardTileEvent).off("tile.stats",this._forwardTileEvent),this._updates.events.push(["source.remove",{source:e}]),this._updates.changed=!0,this},getSource:function(t){return this.sources[t]&&this.sources[t].getSource()},addLayer:function(t,e){if(this._checkLoaded(),!(t instanceof a)){if(this._handleErrors(g.layer,"layers."+t.id,t,!1,{arrayIndex:-1}))return this;var r=t.ref&&this.getLayer(t.ref);t=a.create(t,r)}return this._validateLayer(t),t.on("error",this._forwardLayerEvent),this._layers[t.id]=t,this._order.splice(e?this._order.indexOf(e):1/0,0,t.id),this._updates.allLayers=!0,t.source&&(this._updates.sources[t.source]=!0),this._updates.events.push(["layer.add",{layer:t}]),this.updateClasses(t.id)},removeLayer:function(t){this._checkLoaded();var e=this._layers[t];if(void 0===e)throw new Error("There is no layer with this ID");for(var r in this._layers)this._layers[r].ref===t&&this.removeLayer(r);return e.off("error",this._forwardLayerEvent),delete this._layers[t],delete this._updates.layers[t],delete this._updates.paintProps[t],this._order.splice(this._order.indexOf(t),1),this._updates.allLayers=!0,this._updates.events.push(["layer.remove",{layer:e}]),this._updates.changed=!0,this},getLayer:function(t){return this._layers[t]},getReferentLayer:function(t){var e=this.getLayer(t);return e.ref&&(e=this.getLayer(e.ref)),e},setLayerZoomRange:function(t,e,r){this._checkLoaded();var n=this.getReferentLayer(t);return n.minzoom===e&&n.maxzoom===r?this:(null!=e&&(n.minzoom=e),null!=r&&(n.maxzoom=r),this._updateLayer(n))},setFilter:function(t,e){this._checkLoaded();var r=this.getReferentLayer(t);return null!==e&&this._handleErrors(g.filter,"layers."+r.id+".filter",e)?this:u.deepEqual(r.filter,e)?this:(r.filter=u.clone(e),this._updateLayer(r))},getFilter:function(t){return this.getReferentLayer(t).filter},setLayoutProperty:function(t,e,r){this._checkLoaded();var n=this.getReferentLayer(t);return u.deepEqual(n.getLayoutProperty(e),r)?this:(n.setLayoutProperty(e,r),this._updateLayer(n))},getLayoutProperty:function(t,e){return this.getReferentLayer(t).getLayoutProperty(e)},setPaintProperty:function(t,e,r,n){this._checkLoaded();var i=this.getLayer(t);if(u.deepEqual(i.getPaintProperty(e,n),r))return this;var a=i.isPaintValueFeatureConstant(e);i.setPaintProperty(e,r,n);return!(r&&_.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property)&&a||(this._updates.layers[t]=!0,i.source&&(this._updates.sources[i.source]=!0)),this.updateClasses(t,e)},getPaintProperty:function(t,e,r){return this.getLayer(t).getPaintProperty(e,r)},updateClasses:function(t,e){if(this._updates.changed=!0,t){var r=this._updates.paintProps;r[t]||(r[t]={}),r[t][e||"all"]=!0}else this._updates.allPaintProps=!0;return this},serialize:function(){return u.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:u.mapObject(this.sources,function(t){return t.serialize()}),layers:this._order.map(function(t){return this._layers[t].serialize()},this)},function(t){return void 0!==t})},_updateLayer:function(t){return this._updates.layers[t.id]=!0,t.source&&(this._updates.sources[t.source]=!0),this._updates.changed=!0,this},_flattenRenderedFeatures:function(t){for(var e=[],r=this._order.length-1;r>=0;r--)for(var n=this._order[r],i=0;is.lastIntegerZoom?(n=c+(1-c)*u,f*=2,i=t({zoom:o-1},r),a=t({zoom:o},r)):(n=1-(1-u)*c,a=t({zoom:o},r),i=t({zoom:o+1},r),f/=2),void 0===i||void 0===a?void 0:{from:i,fromScale:f,to:a,toScale:1,t:n}}}(this.calculate)),!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var o=[],s=this.value.stops,l=0;l=this.maxzoom)||("none"===this.layout.visibility||0===this.paint[this.type+"-opacity"]))},updatePaintTransitions:function(t,e,r,n){for(var i=a.extend({},this._paintDeclarations[""]),o=0;o-r/2;){if(--o<0)return!1;s-=t[o].dist(a),a=t[o]}s+=t[o].dist(t[o+1]),o++;for(var l=[],c=0;sn;)c-=l.shift().angleDelta;if(c>i)return!1;o++,s+=f.dist(h)}return!0}},{}],384:[function(t,e,r){"use strict";var n=t("point-geometry");e.exports=function(t,e,r,i,a){for(var o=[],s=0;s=i&&h.x>=i||(f.x>=i?f=new n(i,f.y+(h.y-f.y)*((i-f.x)/(h.x-f.x)))._round():h.x>=i&&(h=new n(i,f.y+(h.y-f.y)*((i-f.x)/(h.x-f.x)))._round()),f.y>=a&&h.y>=a||(f.y>=a?f=new n(f.x+(h.x-f.x)*((a-f.y)/(h.y-f.y)),a)._round():h.y>=a&&(h=new n(f.x+(h.x-f.x)*((a-f.y)/(h.y-f.y)),a)._round()),l&&f.equals(l[l.length-1])||(l=[f],o.push(l)),l.push(h)))))}return o}},{"point-geometry":477}],385:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=t("../util/util"),a=t("point-geometry"),o=e.exports=new n({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});i.extendAll(o.prototype.StructType.prototype,{get anchorPoint(){return new a(this.anchorPointX,this.anchorPointY)}})},{"../util/struct_array":431,"../util/util":433,"point-geometry":477}],386:[function(t,e,r){"use strict";function n(t,e,r,n,i,a,o,s,l,c,u){var f=o.top*s-l,h=o.bottom*s+l,d=o.left*s-l,p=o.right*s+l;if(this.boxStartIndex=t.length,c){var m=h-f,g=p-d;if(m>0)if(m=Math.max(10*s,m),u){var v=e[r.segment+1].sub(e[r.segment])._unit()._mult(g),y=[r.sub(v),r.add(v)];this._addLineCollisionBoxes(t,y,r,0,g,m,n,i,a)}else this._addLineCollisionBoxes(t,e,r,r.segment,g,m,n,i,a)}else t.emplaceBack(r.x,r.y,d,f,p,h,1/0,n,i,a,0,0,0,0,0);this.boxEndIndex=t.length}e.exports=n,n.prototype._addLineCollisionBoxes=function(t,e,r,n,i,a,o,s,l){var c=a/2,u=Math.floor(i/c),f=-a/2,h=this.boxes,d=r,p=n+1,m=f;do{if(--p<0)return h;m-=e[p].dist(d),d=e[p]}while(m>-i/2);for(var g=e[p].dist(e[p+1]),v=0;v=e.length)return h;g=e[p].dist(e[p+1])}var x=y-m,b=e[p],_=e[p+1].sub(b)._unit()._mult(x)._add(b)._round(),w=i/2/Math.max(Math.abs(y-f)-c/2,0);t.emplaceBack(_.x,_.y,-a/2,-a/2,a/2,a/2,w,o,s,l,0,0,0,0,0)}return h}},{}],387:[function(t,e,r){"use strict";function n(t,e,r){if("object"==typeof t){var n=t;r=e,t=n.angle,e=n.pitch,this.grid=new o(n.grid),this.ignoredGrid=new o(n.ignoredGrid)}else this.grid=new o(a,12,6),this.ignoredGrid=new o(a,12,0);this.angle=t,this.pitch=e;var i=Math.sin(t),s=Math.cos(t);if(this.rotationMatrix=[s,-i,i,s],this.reverseRotationMatrix=[s,i,-i,s],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=r,0===r.length){r.emplaceBack();r.emplaceBack(0,0,0,-32767,0,32767,32767,0,0,0,0,0,0,0,0,0),r.emplaceBack(a,0,0,-32767,0,32767,32767,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,0,-32767,0,32767,0,32767,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,a,-32767,0,32767,0,32767,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=r.get(0),this.edges=[r.get(1),r.get(2),r.get(3),r.get(4)]}var i=t("point-geometry"),a=t("../data/bucket").EXTENT,o=t("grid-index");e.exports=n,n.prototype.serialize=function(){var t={angle:this.angle,pitch:this.pitch,grid:this.grid.toArrayBuffer(),ignoredGrid:this.ignoredGrid.toArrayBuffer()};return{data:t,transferables:[t.grid,t.ignoredGrid]}},n.prototype.minScale=.25,n.prototype.maxScale=2,n.prototype.placeCollisionFeature=function(t,e,r){for(var n=this.collisionBoxArray,a=this.minScale,o=this.rotationMatrix,s=this.yStretch,l=t.boxStartIndex;l=this.maxScale)return a}if(r){var _;if(this.angle){var w=this.reverseRotationMatrix,M=new i(c.x1,c.y1).matMult(w),k=new i(c.x2,c.y1).matMult(w),A=new i(c.x1,c.y2).matMult(w),T=new i(c.x2,c.y2).matMult(w);(_=this.tempCollisionBox).anchorPointX=c.anchorPoint.x,_.anchorPointY=c.anchorPoint.y,_.x1=Math.min(M.x,k.x,A.x,T.x),_.y1=Math.min(M.y,k.x,A.x,T.x),_.x2=Math.max(M.x,k.x,A.x,T.x),_.y2=Math.max(M.y,k.x,A.x,T.x),_.maxScale=c.maxScale}else _=c;for(var S=0;S=this.maxScale)return a}}}return a},n.prototype.queryRenderedSymbols=function(t,e,r,n,a){var o={},s=[],l=this.collisionBoxArray,c=this.rotationMatrix,u=new i(t,e)._matMult(c),f=this.tempCollisionBox;f.anchorX=u.x,f.anchorY=u.y,f.x1=0,f.y1=0,f.x2=r-t,f.y2=n-e,f.maxScale=a,a=f.maxScale;for(var h=[u.x+f.x1/a,u.y+f.y1/a*this.yStretch,u.x+f.x2/a,u.y+f.y2/a*this.yStretch],d=this.grid.query(h[0],h[1],h[2],h[3]),p=this.ignoredGrid.query(h[0],h[1],h[2],h[3]),m=0;m=a&&(o[y][x]=!0,s.push(d[g]))}}return s},n.prototype.getPlacementScale=function(t,e,r,n,i){var a=e.x-n.x,o=e.y-n.y,s=(i.x1-r.x2)/a,l=(i.x2-r.x1)/a,c=(i.y1-r.y2)*this.yStretch/o,u=(i.y2-r.y1)*this.yStretch/o;(isNaN(s)||isNaN(l))&&(s=l=1),(isNaN(c)||isNaN(u))&&(c=u=1);var f=Math.min(Math.max(s,l),Math.max(c,u)),h=i.maxScale,d=r.maxScale;return f>h&&(f=h),f>d&&(f=d),f>t&&f>=i.placementScale&&(t=f),t},n.prototype.insertCollisionFeature=function(t,e,r){for(var n=r?this.ignoredGrid:this.grid,i=this.collisionBoxArray,a=t.boxStartIndex;a=0&&A=0&&T=0&&v+d<=p){var S=new a(A,T,M,x)._round();s&&!o(t,S,c,s,l)||y.push(S)}}g+=w}return f||y.length||u||(y=n(t,g/2,r,s,l,c,u,!0,h)),y}var i=t("../util/interpolate"),a=t("../symbol/anchor"),o=t("./check_max_angle");e.exports=function(t,e,r,i,a,o,s,l,c){var u=i?.6*o*s:0,f=Math.max(i?i.right-i.left:0,a?a.right-a.left:0),h=0===t[0].x||t[0].x===c||0===t[0].y||t[0].y===c;return e-f*s=2048||e>=2048)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=4,this.height*=4,this.bin.resize(this.width,this.height);for(var r=new ArrayBuffer(this.width*this.height),n=0;n65535)return r("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var n=this.loading[t];if(n[e])n[e].push(r);else{n[e]=[r];var i=function(t,e,r,n){return n=n||"abc",r.replace("{s}",n[t.length%n.length]).replace("{fontstack}",t).replace("{range}",e)}(t,256*e+"-"+(256*e+255),this.url);o(i,function(t,r){for(var i=!t&&new s(new c(new Uint8Array(r))),a=0;an&&null!==f){var x=g[f+1].x;m=Math.max(x,m);for(var b=f+1;b<=v;b++)g[b].y+=r,g[b].x-=x;if(c){var _=f;a[g[f].codePoint]&&_--,i(g,e,d,_,c)}d=f+1,f=null,h+=x,p++}o[y.codePoint]&&(f=v)}var w=g[g.length-1],M=w.x+e[w.codePoint].advance;m=Math.max(m,M);var k=(p+1)*r;i(g,e,d,g.length-1,c),function(t,e,r,n,i,a,o,s){for(var l=(e-r)*i+s[0],c=(-n*(o+1)+.5)*a+s[1],u=0;u1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},n.prototype.addIcons=function(t,e){for(var r=0;r1||(f?(clearTimeout(f),f=null,o("dblclick",e)):f=setTimeout(r,300))},!1),l.addEventListener("touchend",function(t){s("touchend",t)},!1),l.addEventListener("touchmove",function(t){s("touchmove",t)},!1),l.addEventListener("touchcancel",function(t){s("touchcancel",t)},!1),l.addEventListener("click",function(t){n.mousePos(l,t).equals(u)&&o("click",t)},!1),l.addEventListener("dblclick",function(t){o("dblclick",t),t.preventDefault()},!1),l.addEventListener("contextmenu",function(t){c=t,t.preventDefault()},!1)}},{"../util/dom":419,"./handler/box_zoom":404,"./handler/dblclick_zoom":405,"./handler/drag_pan":406,"./handler/drag_rotate":407,"./handler/keyboard":408,"./handler/scroll_zoom":409,"./handler/touch_zoom_rotate":410,"point-geometry":477}],399:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/interpolate"),a=t("../util/browser"),o=t("../geo/lng_lat"),s=t("../geo/lng_lat_bounds"),l=t("point-geometry"),c=e.exports=function(){};n.extend(c.prototype,{getCenter:function(){return this.transform.center},setCenter:function(t,e){return this.jumpTo({center:t},e),this},panBy:function(t,e,r){return this.panTo(this.transform.center,n.extend({offset:l.convert(t).mult(-1)},e),r),this},panTo:function(t,e,r){return this.easeTo(n.extend({center:t},e),r)},getZoom:function(){return this.transform.zoom},setZoom:function(t,e){return this.jumpTo({zoom:t},e),this},zoomTo:function(t,e,r){return this.easeTo(n.extend({zoom:t},e),r)},zoomIn:function(t,e){return this.zoomTo(this.getZoom()+1,t,e),this},zoomOut:function(t,e){return this.zoomTo(this.getZoom()-1,t,e),this},getBearing:function(){return this.transform.bearing},setBearing:function(t,e){return this.jumpTo({bearing:t},e),this},rotateTo:function(t,e,r){return this.easeTo(n.extend({bearing:t},e),r)},resetNorth:function(t,e){return this.rotateTo(0,n.extend({duration:1e3},t),e),this},snapToNorth:function(t,e){return Math.abs(this.getBearing())180&&(c.center.lng>0&&p.lng<0?p.lng+=360:c.center.lng<0&&p.lng>0&&(p.lng-=360));var y=c.zoomScale(m-f),x=c.point,b="center"in t?c.project(p).sub(u.div(y)):x,_=c.worldSize,w=t.curve,M=Math.max(c.width,c.height),k=M/y,A=b.sub(x).mag();if("minZoom"in t){var T=n.clamp(Math.min(t.minZoom,f,m),c.minZoom,c.maxZoom),S=M/c.zoomScale(T-f);w=Math.sqrt(S/A*2)}var E=w*w,L=r(0),C=function(t){return s(L)/s(L+w*t)},z=function(t){return M*((s(L)*function(t){return a(t)/s(t)}(L+w*t)-a(L))/E)/A},D=(r(1)-L)/w;if(Math.abs(A)<1e-6){if(Math.abs(M-k)<1e-6)return this.easeTo(t);var I=k=0)return!1;return!0})).join(" | ")},n.prototype=o.inherit(i,{options:{position:"bottom-right"},onAdd:function(t){var e=this._container=a.create("div","mapboxgl-ctrl-attrib",t.getContainer());return this._update(),t.on("source.load",this._update.bind(this)),t.on("source.change",this._update.bind(this)),t.on("source.remove",this._update.bind(this)),t.on("moveend",this._updateEditLink.bind(this)),e},_update:function(){this._map.style&&(this._container.innerHTML=n.createAttributionString(this._map.style.sources)),this._editLink=this._container.getElementsByClassName("mapbox-improve-map")[0],this._updateEditLink()},_updateEditLink:function(){if(this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}}})},{"../../util/dom":419,"../../util/util":433,"./control":401}],401:[function(t,e,r){"use strict";function n(){}var i=t("../../util/util"),a=t("../../util/evented");e.exports=n,n.prototype={addTo:function(t){this._map=t;var e=this._container=this.onAdd(t);if(this.options&&this.options.position){var r=this.options.position,n=t._controlCorners[r];e.className+=" mapboxgl-ctrl",-1!==r.indexOf("bottom")?n.insertBefore(e,n.firstChild):n.appendChild(e)}return this},remove:function(){return this._container.parentNode.removeChild(this._container),this.onRemove&&this.onRemove(this._map),this._map=null,this}},i.extend(n.prototype,a)},{"../../util/evented":425,"../../util/util":433}],402:[function(t,e,r){"use strict";function n(t){s.setOptions(this,t)}var i=t("./control"),a=t("../../util/browser"),o=t("../../util/dom"),s=t("../../util/util");e.exports=n;var l={enableHighAccuracy:!1,timeout:6e3};n.prototype=s.inherit(i,{options:{position:"top-right"},onAdd:function(t){var e=this._container=o.create("div","mapboxgl-ctrl-group",t.getContainer());return a.supportsGeolocation?(this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._geolocateButton=o.create("button","mapboxgl-ctrl-icon mapboxgl-ctrl-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)),e):e},_onContextMenu:function(t){t.preventDefault()},_onClickGeolocate:function(){navigator.geolocation.getCurrentPosition(this._success.bind(this),this._error.bind(this),l),this._timeoutId=setTimeout(this._finish.bind(this),1e4)},_success:function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},_error:function(t){this.fire("error",t),this._finish()},_finish:function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0}})},{"../../util/browser":417,"../../util/dom":419,"../../util/util":433,"./control":401}],403:[function(t,e,r){"use strict";function n(t){s.setOptions(this,t)}function i(t){return new MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var a=t("./control"),o=t("../../util/dom"),s=t("../../util/util");e.exports=n,n.prototype=s.inherit(a,{options:{position:"top-right"},onAdd:function(t){var e="mapboxgl-ctrl",r=this._container=o.create("div",e+"-group",t.getContainer());return this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(e+"-icon "+e+"-zoom-in",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(e+"-icon "+e+"-zoom-out",t.zoomOut.bind(t)),this._compass=this._createButton(e+"-icon "+e+"-compass",t.resetNorth.bind(t)),this._compassArrow=o.create("div","arrow",this._compass),this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),t.on("rotate",this._rotateCompassArrow.bind(this)),this._rotateCompassArrow(),this._el=t.getCanvasContainer(),r},_onContextMenu:function(t){t.preventDefault()},_onCompassDown:function(t){0===t.button&&(o.disableDrag(),document.addEventListener("mousemove",this._onCompassMove),document.addEventListener("mouseup",this._onCompassUp),this._el.dispatchEvent(i(t)),t.stopPropagation())},_onCompassMove:function(t){0===t.button&&(this._el.dispatchEvent(i(t)),t.stopPropagation())},_onCompassUp:function(t){0===t.button&&(document.removeEventListener("mousemove",this._onCompassMove),document.removeEventListener("mouseup",this._onCompassUp),o.enableDrag(),this._el.dispatchEvent(i(t)),t.stopPropagation())},_createButton:function(t,e){var r=o.create("button",t,this._container);return r.type="button",r.addEventListener("click",function(){e()}),r},_rotateCompassArrow:function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t}})},{"../../util/dom":419,"../../util/util":433,"./control":401}],404:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),this._container=t.getContainer(),o.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../geo/lng_lat_bounds"),o=t("../../util/util");e.exports=n,n.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},_onMouseDown:function(t){t.shiftKey&&0===t.button&&(document.addEventListener("mousemove",this._onMouseMove,!1),document.addEventListener("keydown",this._onKeyDown,!1),document.addEventListener("mouseup",this._onMouseUp,!1),i.disableDrag(),this._startPos=i.mousePos(this._el,t),this._active=!0)},_onMouseMove:function(t){var e=this._startPos,r=i.mousePos(this._el,t);this._box||(this._box=i.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",t));var n=Math.min(e.x,r.x),a=Math.max(e.x,r.x),o=Math.min(e.y,r.y),s=Math.max(e.y,r.y);i.setTransform(this._box,"translate("+n+"px,"+o+"px)"),this._box.style.width=a-n+"px",this._box.style.height=s-o+"px"},_onMouseUp:function(t){if(0===t.button){var e=this._startPos,r=i.mousePos(this._el,t),n=new a(this._map.unproject(e),this._map.unproject(r));this._finish(),e.x===r.x&&e.y===r.y?this._fireEvent("boxzoomcancel",t):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:t,boxZoomBounds:n})}},_onKeyDown:function(t){27===t.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",t))},_finish:function(){this._active=!1,document.removeEventListener("mousemove",this._onMouseMove,!1),document.removeEventListener("keydown",this._onKeyDown,!1),document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),i.enableDrag()},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})}}},{"../../geo/lng_lat_bounds":331,"../../util/dom":419,"../../util/util":433}],405:[function(t,e,r){"use strict";function n(t){this._map=t,this._onDblClick=this._onDblClick.bind(this)}e.exports=n,n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},_onDblClick:function(t){this._map.zoomTo(this._map.getZoom()+(t.originalEvent.shiftKey?-1:1),{around:t.lngLat},t)}}},{}],406:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),a.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../util/util");e.exports=n;var o=a.bezier(0,0,.3,1);n.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},_onDown:function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(document.addEventListener("touchmove",this._onMove),document.addEventListener("touchend",this._onTouchEnd)):(document.addEventListener("mousemove",this._onMove),document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=i.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},_onMove:function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=i.mousePos(this._el,t),r=this._map;r.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),r.transform.setLocationAtPoint(r.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},_onUp:function(t){if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var e=function(){this._fireEvent("moveend",t)}.bind(this),r=this._inertia;if(r.length<2)e();else{var n=r[r.length-1],i=r[0],a=n[1].sub(i[1]),s=(n[0]-i[0])/1e3;if(0===s||n[1].equals(i[1]))e();else{var l=a.mult(.3/s),c=l.mag();c>1400&&(c=1400,l._unit()._mult(c));var u=c/750,f=l.mult(-u/2);this._map.panBy(f,{duration:1e3*u,easing:o,noMoveStart:!0},{originalEvent:t})}}}},_onMouseUp:function(t){this._ignoreEvent(t)||(this._onUp(t),document.removeEventListener("mousemove",this._onMove),document.removeEventListener("mouseup",this._onMouseUp))},_onTouchEnd:function(t){this._ignoreEvent(t)||(this._onUp(t),document.removeEventListener("touchmove",this._onMove),document.removeEventListener("touchend",this._onTouchEnd))},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})},_ignoreEvent:function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;return"mousemove"===t.type?!1&t.buttons:0!==t.button},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()}}},{"../../util/dom":419,"../../util/util":433}],407:[function(t,e,r){"use strict";function n(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,o.bindHandlers(this)}var i=t("../../util/dom"),a=t("point-geometry"),o=t("../../util/util");e.exports=n;var s=o.bezier(0,0,.25,1);n.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},_onDown:function(t){if(!this._ignoreEvent(t)&&!this.isActive()){document.addEventListener("mousemove",this._onMove),document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=i.mousePos(this._el,t),this._center=this._map.transform.centerPoint;var e=this._startPos.sub(this._center);e.mag()<200&&(this._center=this._startPos.add(new a(-200,0)._rotate(e.angle()))),t.preventDefault()}},_onMove:function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t));var e=this._map;e.stop();var r=this._pos,n=i.mousePos(this._el,t),a=this._center,o=r.sub(a).angleWith(n.sub(a))/Math.PI*180,s=e.getBearing()-o,l=this._inertia,c=l[l.length-1];this._drainInertiaBuffer(),l.push([Date.now(),e._normalizeBearing(s,c[1])]),e.transform.bearing=s,this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n}},_onUp:function(t){if(!this._ignoreEvent(t)&&(document.removeEventListener("mousemove",this._onMove),document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var e=this._map,r=e.getBearing(),n=this._inertia,i=function(){Math.abs(r)180&&(d=180);var p=d/180;c+=f*d*(p/2),Math.abs(e._normalizeBearing(c,0))1;var r=t.ctrlKey?1:2,n=t.ctrlKey?0:2;return"mousemove"===t.type?t.buttons&0===r:t.button!==n},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()}}},{"../../util/dom":419,"../../util/util":433,"point-geometry":477}],408:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)}e.exports=n;n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},_onKeyDown:function(t){if(!(t.altKey||t.ctrlKey||t.metaKey)){var e=this._map,r={originalEvent:t};if(!e.isEasing())switch(t.keyCode){case 61:case 107:case 171:case 187:e.zoomTo(Math.round(e.getZoom())+(t.shiftKey?2:1),r);break;case 189:case 109:case 173:e.zoomTo(Math.round(e.getZoom())-(t.shiftKey?2:1),r);break;case 37:t.shiftKey?e.easeTo({bearing:e.getBearing()-2},r):(t.preventDefault(),e.panBy([-80,0],r));break;case 39:t.shiftKey?e.easeTo({bearing:e.getBearing()+2},r):(t.preventDefault(),e.panBy([80,0],r));break;case 38:t.shiftKey?e.easeTo({pitch:e.getPitch()+5},r):(t.preventDefault(),e.panBy([0,-80],r));break;case 40:t.shiftKey?e.easeTo({pitch:Math.max(e.getPitch()-5,0)},r):(t.preventDefault(),e.panBy([0,80],r))}}}}},{}],409:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),o.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../util/browser"),o=t("../../util/util");e.exports=n;var s="undefined"!=typeof navigator?navigator.userAgent.toLowerCase():"",l=-1!==s.indexOf("firefox"),c=-1!==s.indexOf("safari")&&-1===s.indexOf("chrom");n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},_onWheel:function(t){var e;"wheel"===t.type?(e=t.deltaY,l&&t.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(e/=a.devicePixelRatio),t.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(e*=40)):"mousewheel"===t.type&&(e=-t.wheelDeltaY,c&&(e/=3));var r=a.now(),n=r-(this._time||0);this._pos=i.mousePos(this._el,t),this._time=r,0!==e&&e%4.000244140625==0?(this._type="wheel",e=Math.floor(e/4)):0!==e&&Math.abs(e)<4?this._type="trackpad":n>400?(this._type=null,this._lastValue=e,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(n*e)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,e+=this._lastValue)),t.shiftKey&&e&&(e/=4),this._type&&this._zoom(-e,t),t.preventDefault()},_onTimeout:function(){this._type="wheel",this._zoom(-this._lastValue)},_zoom:function(t,e){if(0!==t){var r=this._map,n=2/(1+Math.exp(-Math.abs(t/100)));t<0&&0!==n&&(n=1/n);var i=r.ease?r.ease.to:r.transform.scale,a=r.transform.scaleZoom(i*n);r.zoomTo(a,{duration:0,around:r.unproject(this._pos),delayEndEvents:200},{originalEvent:e})}}}},{"../../util/browser":417,"../../util/dom":419,"../../util/util":433}],410:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),a.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../util/util");e.exports=n;var o=a.bezier(0,0,.15,1);n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},disableRotation:function(){this._rotationDisabled=!0},enableRotation:function(){this._rotationDisabled=!1},_onStart:function(t){if(2===t.touches.length){var e=i.mousePos(this._el,t.touches[0]),r=i.mousePos(this._el,t.touches[1]);this._startVec=e.sub(r),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],document.addEventListener("touchmove",this._onMove,!1),document.addEventListener("touchend",this._onEnd,!1)}},_onMove:function(t){if(2===t.touches.length){var e=i.mousePos(this._el,t.touches[0]),r=i.mousePos(this._el,t.touches[1]),n=e.add(r).div(2),a=e.sub(r),o=a.mag()/this._startVec.mag(),s=this._rotationDisabled?0:180*a.angleWith(this._startVec)/Math.PI,l=this._map;if(this._gestureIntent){var c={duration:0,around:l.unproject(n)};"rotate"===this._gestureIntent&&(c.bearing=this._startBearing+s),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(c.zoom=l.transform.scaleZoom(this._startScale*o)),l.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),o,n]),l.easeTo(c,{originalEvent:t})}else{var u=Math.abs(1-o)>.15;Math.abs(s)>4?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=a,this._startScale=l.transform.scale,this._startBearing=l.transform.bearing)}t.preventDefault()}},_onEnd:function(t){document.removeEventListener("touchmove",this._onMove),document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,r=this._map;if(e.length<2)r.snapToNorth({},{originalEvent:t});else{var n=e[e.length-1],i=e[0],a=r.transform.scaleZoom(this._startScale*n[1]),s=r.transform.scaleZoom(this._startScale*i[1]),l=a-s,c=(n[0]-i[0])/1e3,u=n[2];if(0!==c&&a!==s){var f=.15*l/c;Math.abs(f)>2.5&&(f=f>0?2.5:-2.5);var h=1e3*Math.abs(f/(12*.15)),d=a+f*h/2e3;d<0&&(d=0),r.easeTo({zoom:d,duration:h,easing:o,around:r.unproject(u)},{originalEvent:t})}else r.snapToNorth({},{originalEvent:t})}},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now();t.length>2&&e-t[0][0]>160;)t.shift()}}},{"../../util/dom":419,"../../util/util":433}],411:[function(t,e,r){"use strict";function n(){i.bindAll(["_onHashChange","_updateHash"],this)}e.exports=n;var i=t("../util/util");n.prototype={addTo:function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},remove:function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},_onHashChange:function(){var t=location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0)}),!0)},_updateHash:function(){var t=this._map.getCenter(),e=this._map.getZoom(),r=this._map.getBearing(),n=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),i="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(n)+"/"+t.lng.toFixed(n)+(r?"/"+Math.round(10*r)/10:"");window.history.replaceState("","",i)}}},{"../util/util":433}],412:[function(t,e,r){"use strict";function n(t){t.parentNode&&t.parentNode.removeChild(t)}var i=t("../util/canvas"),a=t("../util/util"),o=t("../util/browser"),s=t("../util/browser").window,l=t("../util/evented"),c=t("../util/dom"),u=t("../style/style"),f=t("../style/animation_loop"),h=t("../render/painter"),d=t("../geo/transform"),p=t("./hash"),m=t("./bind_handlers"),g=t("./camera"),v=t("../geo/lng_lat"),y=t("../geo/lng_lat_bounds"),x=t("point-geometry"),b=t("./control/attribution"),_={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:0,maxZoom:20,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0,workerCount:Math.max(o.hardwareConcurrency-1,1)},w=e.exports=function(t){if((t=a.extend({},_,t)).workerCount<1)throw new Error("workerCount must an integer greater than or equal to 1.");this._interactive=t.interactive,this._failIfMajorPerformanceCaveat=t.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=t.preserveDrawingBuffer,this._trackResize=t.trackResize,this._workerCount=t.workerCount,this._bearingSnap=t.bearingSnap,"string"==typeof t.container?this._container=document.getElementById(t.container):this._container=t.container,this.animationLoop=new f,this.transform=new d(t.minZoom,t.maxZoom),t.maxBounds&&this.setMaxBounds(t.maxBounds),a.bindAll(["_forwardStyleEvent","_forwardSourceEvent","_forwardLayerEvent","_forwardTileEvent","_onStyleLoad","_onStyleChange","_onSourceAdd","_onSourceRemove","_onSourceUpdate","_onWindowOnline","_onWindowResize","_update","_render"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){this.animationLoop.set(300),this._rerender()}.bind(this)),void 0!==s&&(s.addEventListener("online",this._onWindowOnline,!1),s.addEventListener("resize",this._onWindowResize,!1)),m(this,t),this._hash=t.hash&&(new p).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:t.center,zoom:t.zoom,bearing:t.bearing,pitch:t.pitch}),this.stacks={},this._classes=[],this.resize(),t.classes&&this.setClasses(t.classes),t.style&&this.setStyle(t.style),t.attributionControl&&this.addControl(new b(t.attributionControl));var e=this.fire.bind(this,"error");this.on("style.error",e),this.on("source.error",e),this.on("tile.error",e),this.on("layer.error",e)};a.extend(w.prototype,l),a.extend(w.prototype,g.prototype),a.extend(w.prototype,{addControl:function(t){return t.addTo(this),this},addClass:function(t,e){return this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},removeClass:function(t,e){var r=this._classes.indexOf(t);return r<0||""===t?this:(this._classes.splice(r,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},setClasses:function(t,e){for(var r={},n=0;n=0},getClasses:function(){return this._classes},resize:function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),this._canvas.resize(t,e),this.transform.resize(t,e),this.painter.resize(t,e),this.fire("movestart").fire("move").fire("resize").fire("moveend")},getBounds:function(){var t=new y(this.transform.pointLocation(new x(0,0)),this.transform.pointLocation(this.transform.size));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new x(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new x(0,this.transform.size.y)))),t},setMaxBounds:function(t){if(t){var e=y.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},setMinZoom:function(t){if((t=null===t||void 0===t?0:t)>=0&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()=this.transform.minZoom&&t<=20)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be between the current minZoom and 20, inclusive")},project:function(t){return this.transform.locationPoint(v.convert(t))},unproject:function(t){return this.transform.pointLocation(x.convert(t))},queryRenderedFeatures:function(){var t,e={};return 2===arguments.length?(t=arguments[0],e=arguments[1]):1===arguments.length&&function(t){return t instanceof x||Array.isArray(t)}(arguments[0])?t=arguments[0]:1===arguments.length&&(e=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(t),e,this.transform.zoom,this.transform.angle)},_makeQueryGeometry:function(t){void 0===t&&(t=[x.convert([0,0]),x.convert([this.transform.width,this.transform.height])]);var e;if(t instanceof x||"number"==typeof t[0]){e=[x.convert(t)]}else{var r=[x.convert(t[0]),x.convert(t[1])];e=[r[0],new x(r[1].x,r[0].y),r[1],new x(r[0].x,r[1].y),r[0]]}return e=e.map(function(t){return this.transform.pointCoordinate(t)}.bind(this))},querySourceFeatures:function(t,e){return this.style.querySourceFeatures(t,e)},setStyle:function(t){return this.style&&(this.style.off("load",this._onStyleLoad).off("error",this._forwardStyleEvent).off("change",this._onStyleChange).off("source.add",this._onSourceAdd).off("source.remove",this._onSourceRemove).off("source.load",this._onSourceUpdate).off("source.error",this._forwardSourceEvent).off("source.change",this._onSourceUpdate).off("layer.add",this._forwardLayerEvent).off("layer.remove",this._forwardLayerEvent).off("layer.error",this._forwardLayerEvent).off("tile.add",this._forwardTileEvent).off("tile.remove",this._forwardTileEvent).off("tile.load",this._update).off("tile.error",this._forwardTileEvent).off("tile.stats",this._forwardTileEvent)._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement)),t?(this.style=t instanceof u?t:new u(t,this.animationLoop,this._workerCount),this.style.on("load",this._onStyleLoad).on("error",this._forwardStyleEvent).on("change",this._onStyleChange).on("source.add",this._onSourceAdd).on("source.remove",this._onSourceRemove).on("source.load",this._onSourceUpdate).on("source.error",this._forwardSourceEvent).on("source.change",this._onSourceUpdate).on("layer.add",this._forwardLayerEvent).on("layer.remove",this._forwardLayerEvent).on("layer.error",this._forwardLayerEvent).on("tile.add",this._forwardTileEvent).on("tile.remove",this._forwardTileEvent).on("tile.load",this._update).on("tile.error",this._forwardTileEvent).on("tile.stats",this._forwardTileEvent),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},getStyle:function(){if(this.style)return this.style.serialize()},addSource:function(t,e){return this.style.addSource(t,e),this._update(!0),this},addSourceType:function(t,e,r){return this.style.addSourceType(t,e,r)},removeSource:function(t){return this.style.removeSource(t),this._update(!0),this},getSource:function(t){return this.style.getSource(t)},addLayer:function(t,e){return this.style.addLayer(t,e),this._update(!0),this},removeLayer:function(t){return this.style.removeLayer(t),this._update(!0),this},getLayer:function(t){return this.style.getLayer(t)},setFilter:function(t,e){return this.style.setFilter(t,e),this._update(!0),this},setLayerZoomRange:function(t,e,r){return this.style.setLayerZoomRange(t,e,r),this._update(!0),this},getFilter:function(t){return this.style.getFilter(t)},setPaintProperty:function(t,e,r,n){return this.style.setPaintProperty(t,e,r,n),this._update(!0),this},getPaintProperty:function(t,e,r){return this.style.getPaintProperty(t,e,r)},setLayoutProperty:function(t,e,r){return this.style.setLayoutProperty(t,e,r),this._update(!0),this},getLayoutProperty:function(t,e){return this.style.getLayoutProperty(t,e)},getContainer:function(){return this._container},getCanvasContainer:function(){return this._canvasContainer},getCanvas:function(){return this._canvas.getElement()},_setupContainer:function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=c.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=new i(this,e);var r=this._controlContainer=c.create("div","mapboxgl-control-container",t),n=this._controlCorners={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){n[t]=c.create("div","mapboxgl-ctrl-"+t,r)})},_setupPainter:function(){var t=this._canvas.getWebGLContext({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer});t?this.painter=new h(t,this.transform):this.fire("error",{error:new Error("Failed to initialize WebGL")})},_contextLost:function(t){t.preventDefault(),this._frameId&&o.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},_contextRestored:function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},loaded:function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},_update:function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},_render:function(){try{this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{debug:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,vertices:this.vertices,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender()}catch(t){this.fire("error",{error:t})}return this},remove:function(){this._hash&&this._hash.remove(),o.cancelFrame(this._frameId),this.setStyle(null),void 0!==s&&s.removeEventListener("resize",this._onWindowResize,!1);var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),n(this._canvasContainer),n(this._controlContainer),this._container.classList.remove("mapboxgl-map")},_rerender:function(){this.style&&!this._frameId&&(this._frameId=o.frame(this._render))},_forwardStyleEvent:function(t){this.fire("style."+t.type,a.extend({style:t.target},t))},_forwardSourceEvent:function(t){this.fire(t.type,a.extend({style:t.target},t))},_forwardLayerEvent:function(t){this.fire(t.type,a.extend({style:t.target},t))},_forwardTileEvent:function(t){this.fire(t.type,a.extend({style:t.target},t))},_onStyleLoad:function(t){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1}),this._forwardStyleEvent(t)},_onStyleChange:function(t){this._update(!0),this._forwardStyleEvent(t)},_onSourceAdd:function(t){var e=t.source;e.onAdd&&e.onAdd(this),this._forwardSourceEvent(t)},_onSourceRemove:function(t){var e=t.source;e.onRemove&&e.onRemove(this),this._forwardSourceEvent(t)},_onSourceUpdate:function(t){this._update(),this._forwardSourceEvent(t)},_onWindowOnline:function(){this._update()},_onWindowResize:function(){this._trackResize&&this.stop().resize()._update()}}),a.extendAll(w.prototype,{_showTileBoundaries:!1,get showTileBoundaries(){return this._showTileBoundaries},set showTileBoundaries(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},_showCollisionBoxes:!1,get showCollisionBoxes(){return this._showCollisionBoxes},set showCollisionBoxes(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},_showOverdrawInspector:!1,get showOverdrawInspector(){return this._showOverdrawInspector},set showOverdrawInspector(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},_repaint:!1,get repaint(){return this._repaint},set repaint(t){this._repaint=t,this._update()},_vertices:!1,get vertices(){return this._vertices},set vertices(t){this._vertices=t,this._update()}})},{"../geo/lng_lat":330,"../geo/lng_lat_bounds":331,"../geo/transform":332,"../render/painter":346,"../style/animation_loop":366,"../style/style":369,"../util/browser":417,"../util/canvas":418,"../util/dom":419,"../util/evented":425,"../util/util":433,"./bind_handlers":398,"./camera":399,"./control/attribution":400,"./hash":411,"point-geometry":477}],413:[function(t,e,r){"use strict";function n(t,e){t||(t=i.create("div")),t.classList.add("mapboxgl-marker"),this._el=t,this._offset=o.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this)}e.exports=n;var i=t("../util/dom"),a=t("../geo/lng_lat"),o=t("point-geometry");n.prototype={addTo:function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._el),t.on("move",this._update),this._update(),this},remove:function(){this._map&&(this._map.off("move",this._update),this._map=null);var t=this._el.parentNode;return t&&t.removeChild(this._el),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=a.convert(t),this._update(),this},getElement:function(){return this._el},_update:function(){if(this._map){var t=this._map.project(this._lngLat)._add(this._offset);i.setTransform(this._el,"translate("+t.x+"px,"+t.y+"px)")}}}},{"../geo/lng_lat":330,"../util/dom":419,"point-geometry":477}],414:[function(t,e,r){"use strict";function n(t){i.setOptions(this,t),i.bindAll(["_update","_onClickClose"],this)}e.exports=n;var i=t("../util/util"),a=t("../util/evented"),o=t("../util/dom"),s=t("../geo/lng_lat");n.prototype=i.inherit(a,{options:{closeButton:!0,closeOnClick:!0},addTo:function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},remove:function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=s.convert(t),this._update(),this},setText:function(t){return this.setDOMContent(document.createTextNode(t))},setHTML:function(t){var e,r=document.createDocumentFragment(),n=document.createElement("body");for(n.innerHTML=t;e=n.firstChild;)r.appendChild(e);return this.setDOMContent(r)},setDOMContent:function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},_createContent:function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=o.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=o.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.innerHTML="×",this._closeButton.addEventListener("click",this._onClickClose))},_update:function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=o.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=o.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this._map.project(this._lngLat).round(),e=this.options.anchor;if(!e){var r=this._container.offsetWidth,n=this._container.offsetHeight;e=t.ythis._map.transform.height-n?["bottom"]:[],t.xthis._map.transform.width-r/2&&e.push("right"),e=0===e.length?"bottom":e.join("-")}var i={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},a=this._container.classList;for(var s in i)a.remove("mapboxgl-popup-anchor-"+s);a.add("mapboxgl-popup-anchor-"+e),o.setTransform(this._container,i[e]+" translate("+t.x+"px,"+t.y+"px)")}},_onClickClose:function(){this.remove()}})},{"../geo/lng_lat":330,"../util/dom":419,"../util/evented":425,"../util/util":433}],415:[function(t,e,r){"use strict";function n(t,e){this.target=t,this.parent=e,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)}e.exports=n,n.prototype.receive=function(t){function e(t,e,r){this.postMessage({type:"",id:String(i),error:t?String(t):null,data:e},r)}var r,n=t.data,i=n.id;if(""===n.type)r=this.callbacks[n.id],delete this.callbacks[n.id],r&&r(n.error||null,n.data);else if(void 0!==n.id&&this.parent[n.type])this.parent[n.type](n.data,e.bind(this));else if(void 0!==n.id&&this.parent.workerSources){var a=n.type.split(".");this.parent.workerSources[a[0]][a[1]](n.data,e.bind(this))}else this.parent[n.type](n.data)},n.prototype.send=function(t,e,r,n){var i=null;r&&(this.callbacks[i=this.callbackID++]=r),this.postMessage({type:t,id:String(i),data:e},n)},n.prototype.postMessage=function(t,e){this.target.postMessage(t,e)}},{}],416:[function(t,e,r){"use strict";function n(t){var e=document.createElement("a");return 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vec2(endJoinDirection) * thickness * abs(dot(endJoinDirection, currNormal)) * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n}\n"]),frag:s(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id, miterMode;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nvoid main() {\n\tfloat alpha = 1., distToStart, distToEnd;\n\tfloat cutoff = thickness * .5;\n\n\t//bevel miter\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToStart + 1., 0.), 1.);\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToEnd + 1., 0.), 1.);\n\t\t}\n\t}\n\n\t// round miter\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - startCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - endCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\t}\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]),attributes:{lineEnd:{buffer:_,divisor:0,stride:8,offset:0},lineTop:{buffer:_,divisor:0,stride:8,offset:4},aColor:{buffer:b,stride:4,offset:function(t,e){return 4*e.offset},divisor:1},bColor:{buffer:b,stride:4,offset:function(t,e){return 4*e.offset+4},divisor:1},prevCoord:{buffer:w,stride:8,offset:function(t,e){return 8*e.offset},divisor:1},aCoord:{buffer:w,stride:8,offset:function(t,e){return 8+8*e.offset},divisor:1},bCoord:{buffer:w,stride:8,offset:function(t,e){return 16+8*e.offset},divisor:1},nextCoord:{buffer:w,stride:8,offset:function(t,e){return 24+8*e.offset},divisor:1}}},z)),y=t(o({vert:s(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, aCoordFract, bCoordFract;\nattribute vec4 color;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nconst float MAX_LINES = 256.;\n\nvec2 project(vec2 position, vec2 positionFract, vec2 scale, vec2 scaleFract, vec2 translate, vec2 translateFract) {\n return (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n}\n\nvoid main() {\n\t// vec2 scaleRatio = scale * viewport.zw;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineOffset = lineTop * 2. - 1.;\n\tfloat depth = (MAX_LINES - 1. - id) / (MAX_LINES);\n\n\tvec2 diff = (bCoord + bCoordFract - aCoord - aCoordFract);\n\ttangent = normalize(diff * scaleRatio);\n\tvec2 normal = vec2(-tangent.y, tangent.x);\n\n\tvec2 position = project(aCoord, aCoordFract, scale, scaleFract, translate, translateFract) * lineStart\n\t\t+ project(bCoord, bCoordFract, scale, scaleFract, translate, translateFract) * lineEnd\n\n\t\t+ thickness * normal * .5 * lineOffset / viewport.zw;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]),frag:s(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nvoid main() {\n\tfloat alpha = 1.;\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]),attributes:{lineEnd:{buffer:_,divisor:0,stride:8,offset:0},lineTop:{buffer:_,divisor:0,stride:8,offset:4},aCoord:{buffer:w,stride:8,offset:function(t,e){return 8+8*e.offset},divisor:1},bCoord:{buffer:w,stride:8,offset:function(t,e){return 16+8*e.offset},divisor:1},aCoordFract:{buffer:M,stride:8,offset:function(t,e){return 8+8*e.offset},divisor:1},bCoordFract:{buffer:M,stride:8,offset:function(t,e){return 16+8*e.offset},divisor:1},color:{buffer:b,stride:4,offset:function(t,e){return 4*e.offset},divisor:1}}},z)),x=t({primitive:"triangle",elements:function(t,e){return e.triangles},offset:0,vert:s(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\n\nuniform vec4 color;\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\n\nconst float MAX_LINES = 256.;\n\nvoid main() {\n\tfloat depth = (MAX_LINES - 4. - id) / (MAX_LINES);\n\n\tvec2 position = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]),frag:s(["precision highp float;\n#define GLSLIFY 1\n\nuniform float opacity;\n\nvarying vec4 fragColor;\n\nvoid main() {\n\tgl_FragColor = fragColor;\n\tgl_FragColor.a *= opacity;\n}\n"]),uniforms:{scale:t.prop("scale"),color:t.prop("fill"),scaleFract:t.prop("scaleFract"),translateFract:t.prop("translateFract"),translate:t.prop("translate"),opacity:t.prop("opacity"),pixelRatio:t.context("pixelRatio"),id:t.prop("id"),viewport:function(t,e){return[e.viewport.x,e.viewport.y,t.viewportWidth,t.viewportHeight]}},attributes:{position:{buffer:w,stride:8,offset:function(t,e){return 8+8*e.offset}},positionFract:{buffer:M,stride:8,offset:function(t,e){return 8+8*e.offset}}},blend:z.blend,depth:{enable:!1},scissor:z.scissor,stencil:z.stencil,viewport:z.viewport}),o(r,{update:m,draw:d,destroy:g,regl:t,gl:A,canvas:A.canvas,lines:S}),r}},{"array-bounds":48,"array-normalize":49,"color-normalize":99,earcut:135,"flatten-vertex-data":143,glslify:502,"object-assign":462,"pick-by-alias":473,"update-diff":558}],502:[function(t,e,r){arguments[4][169][0].apply(r,arguments)},{dup:169}],503:[function(t,e,r){"use strict";var n=t("color-normalize"),i=t("array-bounds"),a=t("color-id"),o=t("snap-points-2d"),s=t("object-assign"),l=t("glslify"),c=t("binary-search-bounds"),u=t("pick-by-alias"),f=t("update-diff"),h=t("flatten-vertex-data"),d=t("is-iexplorer"),p=t("to-float32"),m=p.float32,g=p.fract32;e.exports=function(t,e){function r(t){t?x(t):null===t&&M(),p()}function p(t){if("number"==typeof t)return v(t);Array.isArray(t)?t.forEach(function(t,e){if(null!=t)return t.length?v(t,e):v(t)}):O.forEach(function(t,e){t&&v(e)})}function v(e,r){"number"==typeof e&&(e=O[e]);var n;if(Array.isArray(e)&&(n=e,e=O[r]),e&&e.count&&e.opacity){var i;if(n){i=Array(e.count);for(var a=0;a1)){var g=m.offset,v=m.count+g,y=c.ge(f,i[0],g,v-1),x=c.lt(f,i[2],y,v-1)+1;if(!(x<=y))if(r){var b=n(t.data.subarray(y,x),r);l.push(s({},e,{elements:b,marker:F[h],offset:0,count:b.length}))}else l.push(s({},e,{elements:t.elements,marker:F[h],offset:y,count:x-y}))}}return l}function x(e){if(e){null!=e.length?"number"==typeof e[0]&&(e=[{positions:e}]):Array.isArray(e)||(e=[e]);var r=0,n=0,a=0;O=e.map(function(e,l){var c=O[l];return e?("function"==typeof e?e={after:e}:"number"==typeof e[0]&&(e={positions:e}),e=u(e,{positions:"positions data points",snap:"snap cluster",size:"sizes size radius",borderSize:"borderSizes borderSize stroke-width strokeWidth outline",color:"colors color fill fill-color fillColor",borderColor:"borderColors borderColor stroke stroke-color strokeColor",palette:"palette swatch",marker:"markers marker shape",range:"range dataBox",viewport:"viewport viewBox",opacity:"opacity alpha"}),c||(O[l]=c={id:l,scale:null,translate:null,scaleFract:null,translateFract:null,markerIds:[]},e=s({},P,e)),!e.positions||"marker"in e||(e.marker=c.marker,delete c.marker),f(c,e,[{snap:!0,size:function(t){return n+=t.length?1:0,t},borderSize:function(t){return n+=t.length?1:0,t},opacity:parseFloat,color:function(t){return t=w(t),a++,t},borderColor:function(t){return t=w(t),a++,t},positions:function(t,e,n){t=h(t,"float64");var a=e.count=Math.floor(t.length/2),o=e.bounds=a?i(t,2):null;return n.range||e.range||(delete e.range,n.range=o),e.offset=r,r+=a,n.marker||e.marker||(delete e.marker,n.marker=null),t}},{marker:function(t,e,r){if(e.markerIds.length=0,t&&"number"!=typeof t[0])for(var n=0,i=t.length;ni)){c.snap=!0;var h=c.x=Array(u),d=c.w=Array(u),p=void 0;if(n.length>1){p=Array(2*u);for(var m=0;m=0)return r;var n;if(e instanceof Uint8Array||e instanceof Uint8ClampedArray)n=e;else{n=new Uint8Array(e.length);for(var i=0,a=e.length;i 1.0) {\n discard;\n }\n\n float centerFraction = fragBorderSize == 0. ? 2. : fragSize / (fragSize + fragBorderSize + 1.25);\n\n vec4 baseColor = mix(borderColor, color, smoothStep(radius, centerFraction));\n float alpha = 1.0 - pow(1.0 - baseColor.a, 1.);\n gl_FragColor = vec4(baseColor.rgb * alpha, alpha);\n}\n"]),vert:l(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute 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D.slice(4*r,4*r+4).map(function(t){return t/255})},borderColor:function(t,e){var r=e.borderColor.length?e.borderColor[0]:e.borderColor;return D.slice(4*r,4*r+4).map(function(t){return t/255})},pixelRatio:t.context("pixelRatio"),palette:C,scale:t.prop("scale"),scaleFract:t.prop("scaleFract"),translate:t.prop("translate"),translateFract:t.prop("translateFract"),opacity:t.prop("opacity"),marker:t.prop("marker")},attributes:{position:S,positionFract:E,size:B.attributes.size,borderSize:B.attributes.borderSize}}));else{var U=s({},B);U.frag=l(["precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragWidth, fragBorderColorLevel, fragColorLevel;\n\nuniform sampler2D marker;\nuniform float pixelRatio, opacity;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float dist = texture2D(marker, gl_PointCoord).r, delta = fragWidth;\n\n //max-distance alpha\n if (dist < 0.003) discard;\n\n //null-border case\n if (fragBorderColorLevel == fragColorLevel || fragBorderColor.a == 0.) {\n float colorAmt = smoothstep(.5 - delta, .5 + delta, dist);\n gl_FragColor = vec4(fragColor.rgb, colorAmt * fragColor.a);\n return;\n }\n\n float borderColorAmt = smoothstep(fragBorderColorLevel - delta, fragBorderColorLevel + delta, dist);\n float colorAmt = smoothstep(fragColorLevel - delta, fragColorLevel + delta, dist);\n\n vec4 color = fragBorderColor;\n color.a *= borderColorAmt;\n color = mix(color, fragColor, colorAmt);\n color.a *= opacity;\n\n gl_FragColor = color;\n}\n"]),U.vert=l(["precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\nconst float borderLevel = .5;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragPointSize, fragBorderRadius,\n\t\tfragWidth, fragBorderColorLevel, fragColorLevel;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = 2. * size * pixelRatio;\n fragPointSize = size * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n\n fragBorderColorLevel = clamp(borderLevel - borderLevel * borderSize / size, 0., 1.);\n fragColorLevel = clamp(borderLevel + (1. - borderLevel) * borderSize / size, 0., 1.);\n}\n"]),k=t(U);var 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100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n}\n"]),A=t(V)}return 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r=this._validate(t,e,this.minDay,i.local.invalidMonth).toJD()-24e5+.5,n=0,o=0;or)return a[n]-a[n-1];n++}return 30},weekDay:function(t,e,r){return 5!==this.dayOfWeek(t,e,r)},toJD:function(t,e,r){var n=this._validate(t,e,r,i.local.invalidDate),o=12*(n.year()-1)+n.month()-15292;return n.day()+a[o-1]-1+24e5-.5},fromJD:function(t){for(var e=t-24e5+.5,r=0,n=0;ne);n++)r++;var i=r+15292,o=Math.floor((i-1)/12),s=o+1,l=i-12*o,c=e-a[r-1]+1;return this.newDate(s,l,c)},isValid:function(t,e,r){var n=i.baseCalendar.prototype.isValid.apply(this,arguments);return n&&(n=(t=null!=t.year?t.year:t)>=1276&&t<=1500),n},_validate:function(t,e,r,n){var a=i.baseCalendar.prototype._validate.apply(this,arguments);if(a.year<1276||a.year>1500)throw n.replace(/\{0\}/,this.local.name);return a}}),i.calendars.ummalqura=n;var 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n(){this.regionalOptions=[],this.regionalOptions[""]={invalidCalendar:"Calendar {0} not found",invalidDate:"Invalid {0} date",invalidMonth:"Invalid {0} month",invalidYear:"Invalid {0} year",differentCalendars:"Cannot mix {0} and {1} dates"},this.local=this.regionalOptions[""],this.calendars={},this._localCals={}}function i(t,e,r,n){if(this._calendar=t,this._year=e,this._month=r,this._day=n,0===this._calendar._validateLevel&&!this._calendar.isValid(this._year,this._month,this._day))throw(c.local.invalidDate||c.regionalOptions[""].invalidDate).replace(/\{0\}/,this._calendar.local.name)}function a(t,e){return t=""+t,"000000".substring(0,e-t.length)+t}function o(){this.shortYearCutoff="+10"}function s(t){this.local=this.regionalOptions[t]||this.regionalOptions[""]}var l=t("object-assign");l(n.prototype,{instance:function(t,e){t=(t||"gregorian").toLowerCase(),e=e||"";var r=this._localCals[t+"-"+e];if(!r&&this.calendars[t]&&(r=new 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0===arguments.length?this._day:this.set(t,"d")},date:function(t,e,r){if(!this._calendar.isValid(t,e,r))throw(c.local.invalidDate||c.regionalOptions[""].invalidDate).replace(/\{0\}/,this._calendar.local.name);return this._year=t,this._month=e,this._day=r,this},leapYear:function(){return this._calendar.leapYear(this)},epoch:function(){return this._calendar.epoch(this)},formatYear:function(){return this._calendar.formatYear(this)},monthOfYear:function(){return this._calendar.monthOfYear(this)},weekOfYear:function(){return this._calendar.weekOfYear(this)},daysInYear:function(){return this._calendar.daysInYear(this)},dayOfYear:function(){return this._calendar.dayOfYear(this)},daysInMonth:function(){return this._calendar.daysInMonth(this)},dayOfWeek:function(){return this._calendar.dayOfWeek(this)},weekDay:function(){return this._calendar.weekDay(this)},extraInfo:function(){return this._calendar.extraInfo(this)},add:function(t,e){return this._calendar.add(this,t,e)},set:function(t,e){return this._calendar.set(this,t,e)},compareTo:function(t){if(this._calendar.name!==t._calendar.name)throw(c.local.differentCalendars||c.regionalOptions[""].differentCalendars).replace(/\{0\}/,this._calendar.local.name).replace(/\{1\}/,t._calendar.local.name);var e=this._year!==t._year?this._year-t._year:this._month!==t._month?this.monthOfYear()-t.monthOfYear():this._day-t._day;return 0===e?0:e<0?-1:1},calendar:function(){return this._calendar},toJD:function(){return this._calendar.toJD(this)},fromJD:function(t){return this._calendar.fromJD(t)},toJSDate:function(){return this._calendar.toJSDate(this)},fromJSDate:function(t){return this._calendar.fromJSDate(t)},toString:function(){return(this.year()<0?"-":"")+a(Math.abs(this.year()),4)+"-"+a(this.month(),2)+"-"+a(this.day(),2)}}),l(o.prototype,{_validateLevel:0,newDate:function(t,e,r){return null==t?this.today():(t.year&&(this._validate(t,e,r,c.local.invalidDate||c.regionalOptions[""].invalidDate),r=t.day(),e=t.month(),t=t.year()),new i(this,t,e,r))},today:function(){return this.fromJSDate(new Date)},epoch:function(t){return this._validate(t,this.minMonth,this.minDay,c.local.invalidYear||c.regionalOptions[""].invalidYear).year()<0?this.local.epochs[0]:this.local.epochs[1]},formatYear:function(t){var e=this._validate(t,this.minMonth,this.minDay,c.local.invalidYear||c.regionalOptions[""].invalidYear);return(e.year()<0?"-":"")+a(Math.abs(e.year()),4)},monthsInYear:function(t){return this._validate(t,this.minMonth,this.minDay,c.local.invalidYear||c.regionalOptions[""].invalidYear),12},monthOfYear:function(t,e){var r=this._validate(t,e,this.minDay,c.local.invalidMonth||c.regionalOptions[""].invalidMonth);return(r.month()+this.monthsInYear(r)-this.firstMonth)%this.monthsInYear(r)+this.minMonth},fromMonthOfYear:function(t,e){var r=(e+this.firstMonth-2*this.minMonth)%this.monthsInYear(t)+this.minMonth;return 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K=n.max(F.selectAll(".angular-tick text")[0].map(function(t,e){return t.getCTM().e+t.getBBox().width}));O.attr({transform:"translate("+[x+K,h.margin.top]+")"});var Q=t.select("g.geometry-group").selectAll("g").size()>0,$=t.select("g.geometry-group").selectAll("g.geometry").data(p);if($.enter().append("g").attr({class:function(t,e){return"geometry geometry"+e}}),$.exit().remove(),p[0]||Q){var tt=[];p.forEach(function(t,e){var n={};n.radialScale=r,n.angularScale=s,n.container=$.filter(function(t,r){return r==e}),n.geometry=t.geometry,n.orientation=h.orientation,n.direction=h.direction,n.index=e,tt.push({data:t,geometryConfig:n})});var et=[];n.nest().key(function(t,e){return void 0!==t.data.groupId||"unstacked"}).entries(tt).forEach(function(t,e){"unstacked"===t.key?et=et.concat(t.values.map(function(t,e){return[t]})):et.push(t.values)}),et.forEach(function(t,e){var r;r=Array.isArray(t)?t[0].geometryConfig.geometry:t.geometryConfig.geometry;var n=t.map(function(t,e){return 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t},n.rebind(h,f,"on"),h},o.Axis.defaultConfig=function(t,e){return{data:[{t:[1,2,3,4],r:[10,11,12,13],name:"Line1",geometry:"LinePlot",color:null,strokeDash:"solid",strokeColor:null,strokeSize:"1",visibleInLegend:!0,opacity:1}],layout:{defaultColorRange:n.scale.category10().range(),title:null,height:450,width:500,margin:{top:40,right:40,bottom:40,left:40},font:{size:12,color:"gray",outlineColor:"white",family:"Tahoma, 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n=e*Math.PI/180;return[e,t(n)]})},o.util.dataFromEquation=function(t,e,r){var i=e||6,a=[],o=[];n.range(0,360+i,i).forEach(function(e,r){var n=e*Math.PI/180,i=t(n);a.push(e),o.push(i)});var s={t:a,r:o};return r&&(s.name=r),s},o.util.ensureArray=function(t,e){if(void 0===t)return null;var r=[].concat(t);return n.range(e).map(function(t,e){return r[e]||r[0]})},o.util.fillArrays=function(t,e,r){return e.forEach(function(e,n){t[e]=o.util.ensureArray(t[e],r)}),t},o.util.cloneJson=function(t){return JSON.parse(JSON.stringify(t))},o.util.validateKeys=function(t,e){"string"==typeof e&&(e=e.split("."));var r=e.shift();return t[r]&&(!e.length||objHasKeys(t[r],e))},o.util.sumArrays=function(t,e){return n.zip(t,e).map(function(t,e){return n.sum(t)})},o.util.arrayLast=function(t){return t[t.length-1]},o.util.arrayEqual=function(t,e){for(var r=Math.max(t.length,e.length,1);r-- >=0&&t[r]===e[r];);return-2===r},o.util.flattenArray=function(t){for(var e=[];!o.util.arrayEqual(e,t);)e=t,t=[].concat.apply([],t);return t},o.util.deduplicate=function(t){return t.filter(function(t,e,r){return r.indexOf(t)==e})},o.util.convertToCartesian=function(t,e){var r=e*Math.PI/180;return[t*Math.cos(r),t*Math.sin(r)]},o.util.round=function(t,e){var r=e||2,n=Math.pow(10,r);return Math.round(t*n)/n},o.util.getMousePos=function(t){var e=n.mouse(t.node()),r=e[0],i=e[1],a={};return a.x=r,a.y=i,a.pos=e,a.angle=180*(Math.atan2(i,r)+Math.PI)/Math.PI,a.radius=Math.sqrt(r*r+i*i),a},o.util.duplicatesCount=function(t){for(var e,r={},n={},i=0,a=t.length;i0)){var l=n.select(this.parentNode).selectAll("path.line").data([0]);l.enter().insert("path"),l.attr({class:"line",d:u(s),transform:function(e,r){return"rotate("+(t.orientation+90)+")"},"pointer-events":"none"}).style({fill:function(t,e){return p.fill(r,i,a)},"fill-opacity":0,stroke:function(t,e){return p.stroke(r,i,a)},"stroke-width":function(t,e){return p["stroke-width"](r,i,a)},"stroke-dasharray":function(t,e){return p["stroke-dasharray"](r,i,a)},opacity:function(t,e){return p.opacity(r,i,a)},display:function(t,e){return p.display(r,i,a)}})}};var f=t.angularScale.range(),h=Math.abs(f[1]-f[0])/o[0].length*Math.PI/180,d=n.svg.arc().startAngle(function(t){return-h/2}).endAngle(function(t){return h/2}).innerRadius(function(e){return t.radialScale(l+(e[2]||0))}).outerRadius(function(e){return t.radialScale(l+(e[2]||0))+t.radialScale(e[1])});c.arc=function(e,r,i){n.select(this).attr({class:"mark arc",d:d,transform:function(e,r){return"rotate("+(t.orientation+s(e[0])+90)+")"}})};var p={fill:function(t,r,n){return e[n].data.color},stroke:function(t,r,n){return e[n].data.strokeColor},"stroke-width":function(t,r,n){return e[n].data.strokeSize+"px"},"stroke-dasharray":function(t,r,n){return a[e[n].data.strokeDash]},opacity:function(t,r,n){return e[n].data.opacity},display:function(t,r,n){return void 0===e[n].data.visible||e[n].data.visible?"block":"none"}},m=n.select(this).selectAll("g.layer").data(o);m.enter().append("g").attr({class:"layer"});var g=m.selectAll("path.mark").data(function(t,e){return t});g.enter().append("path").attr({class:"mark"}),g.style(p).each(c[t.geometryType]),g.exit().remove(),m.exit().remove()})}var e=[o.PolyChart.defaultConfig()],r=n.dispatch("hover"),a={solid:"none",dash:[5,2],dot:[2,5]};return t.config=function(t){return arguments.length?(t.forEach(function(t,r){e[r]||(e[r]={}),i(e[r],o.PolyChart.defaultConfig()),i(e[r],t)}),this):e},t.getColorScale=function(){},n.rebind(t,r,"on"),t},o.PolyChart.defaultConfig=function(){return{data:{name:"geom1",t:[[1,2,3,4]],r:[[1,2,3,4]],dotType:"circle",dotSize:64,dotVisible:!1,barWidth:20,color:"#ffa500",strokeSize:1,strokeColor:"silver",strokeDash:"solid",opacity:1,index:0,visible:!0,visibleInLegend:!0},geometryConfig:{geometry:"LinePlot",geometryType:"arc",direction:"clockwise",orientation:0,container:"body",radialScale:null,angularScale:null,colorScale:n.scale.category20()}}},o.BarChart=function(){return o.PolyChart()},o.BarChart.defaultConfig=function(){return{geometryConfig:{geometryType:"bar"}}},o.AreaChart=function(){return o.PolyChart()},o.AreaChart.defaultConfig=function(){return{geometryConfig:{geometryType:"arc"}}},o.DotPlot=function(){return o.PolyChart()},o.DotPlot.defaultConfig=function(){return{geometryConfig:{geometryType:"dot",dotType:"circle"}}},o.LinePlot=function(){return o.PolyChart()},o.LinePlot.defaultConfig=function(){return{geometryConfig:{geometryType:"line"}}},o.Legend=function(){function t(){var r=e.legendConfig,a=e.data.map(function(t,e){return[].concat(t).map(function(t,n){var a=i({},r.elements[e]);return a.name=t,a.color=[].concat(r.elements[e].color)[n],a})}),o=n.merge(a);o=o.filter(function(t,e){return r.elements[e]&&(r.elements[e].visibleInLegend||void 0===r.elements[e].visibleInLegend)}),r.reverseOrder&&(o=o.reverse());var s=r.container;("string"==typeof s||s.nodeName)&&(s=n.select(s));var l=o.map(function(t,e){return t.color}),c=r.fontSize,u=null==r.isContinuous?"number"==typeof o[0]:r.isContinuous,f=u?r.height:c*o.length,h=s.classed("legend-group",!0).selectAll("svg").data([0]),d=h.enter().append("svg").attr({width:300,height:f+c,xmlns:"http://www.w3.org/2000/svg","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1"});d.append("g").classed("legend-axis",!0),d.append("g").classed("legend-marks",!0);var p=n.range(o.length),m=n.scale[u?"linear":"ordinal"]().domain(p).range(l),g=n.scale[u?"linear":"ordinal"]().domain(p)[u?"range":"rangePoints"]([0,f]);if(u){var v=h.select(".legend-marks").append("defs").append("linearGradient").attr({id:"grad1",x1:"0%",y1:"0%",x2:"0%",y2:"100%"}).selectAll("stop").data(l);v.enter().append("stop"),v.attr({offset:function(t,e){return e/(l.length-1)*100+"%"}}).style({"stop-color":function(t,e){return t}}),h.append("rect").classed("legend-mark",!0).attr({height:r.height,width:r.colorBandWidth,fill:"url(#grad1)"})}else{var y=h.select(".legend-marks").selectAll("path.legend-mark").data(o);y.enter().append("path").classed("legend-mark",!0),y.attr({transform:function(t,e){return"translate("+[c/2,g(e)+c/2]+")"},d:function(t,e){return function(t,e){var r=3*e;return"line"===t?"M"+[[-e/2,-e/12],[e/2,-e/12],[e/2,e/12],[-e/2,e/12]]+"Z":-1!=n.svg.symbolTypes.indexOf(t)?n.svg.symbol().type(t).size(r)():n.svg.symbol().type("square").size(r)()}(t.symbol,c)},fill:function(t,e){return m(e)}}),y.exit().remove()}var x=n.svg.axis().scale(g).orient("right"),b=h.select("g.legend-axis").attr({transform:"translate("+[u?r.colorBandWidth:c,c/2]+")"}).call(x);return b.selectAll(".domain").style({fill:"none",stroke:"none"}),b.selectAll("line").style({fill:"none",stroke:u?r.textColor:"none"}),b.selectAll("text").style({fill:r.textColor,"font-size":r.fontSize}).text(function(t,e){return o[e].name}),t}var e=o.Legend.defaultConfig(),r=n.dispatch("hover");return t.config=function(t){return arguments.length?(i(e,t),this):e},n.rebind(t,r,"on"),t},o.Legend.defaultConfig=function(t,e){return{data:["a","b","c"],legendConfig:{elements:[{symbol:"line",color:"red"},{symbol:"square",color:"yellow"},{symbol:"diamond",color:"limegreen"}],height:150,colorBandWidth:30,fontSize:12,container:"body",isContinuous:null,textColor:"grey",reverseOrder:!1}}},o.tooltipPanel=function(){var t,e,r,a={container:null,hasTick:!1,fontSize:12,color:"white",padding:5},s="tooltip-"+o.tooltipPanel.uid++,l=10,c=function(){var n=(t=a.container.selectAll("g."+s).data([0])).enter().append("g").classed(s,!0).style({"pointer-events":"none",display:"none"});return r=n.append("path").style({fill:"white","fill-opacity":.9}).attr({d:"M0 0"}),e=n.append("text").attr({dx:a.padding+l,dy:.3*+a.fontSize}),c};return c.text=function(i){var o=n.hsl(a.color).l,s=o>=.5?"#aaa":"white",u=o>=.5?"black":"white",f=i||"";e.style({fill:u,"font-size":a.fontSize+"px"}).text(f);var h=a.padding,d=e.node().getBBox(),p={fill:a.color,stroke:s,"stroke-width":"2px"},m=d.width+2*h+l,g=d.height+2*h;return r.attr({d:"M"+[[l,-g/2],[l,-g/4],[a.hasTick?0:l,0],[l,g/4],[l,g/2],[m,g/2],[m,-g/2]].join("L")+"Z"}).style(p),t.attr({transform:"translate("+[l,-g/2+2*h]+")"}),t.style({display:"block"}),c},c.move=function(e){if(t)return t.attr({transform:"translate("+[e[0],e[1]]+")"}).style({display:"block"}),c},c.hide=function(){if(t)return t.style({display:"none"}),c},c.show=function(){if(t)return t.style({display:"block"}),c},c.config=function(t){return i(a,t),c},c},o.tooltipPanel.uid=1,o.adapter={},o.adapter.plotly=function(){var t={};return t.convert=function(t,e){var r={};if(t.data&&(r.data=t.data.map(function(t,r){var n=i({},t);return[[n,["marker","color"],["color"]],[n,["marker","opacity"],["opacity"]],[n,["marker","line","color"],["strokeColor"]],[n,["marker","line","dash"],["strokeDash"]],[n,["marker","line","width"],["strokeSize"]],[n,["marker","symbol"],["dotType"]],[n,["marker","size"],["dotSize"]],[n,["marker","barWidth"],["barWidth"]],[n,["line","interpolation"],["lineInterpolation"]],[n,["showlegend"],["visibleInLegend"]]].forEach(function(t,r){o.util.translator.apply(null,t.concat(e))}),e||delete n.marker,e&&delete n.groupId,e?("LinePlot"===n.geometry?(n.type="scatter",!0===n.dotVisible?(delete n.dotVisible,n.mode="lines+markers"):n.mode="lines"):"DotPlot"===n.geometry?(n.type="scatter",n.mode="markers"):"AreaChart"===n.geometry?n.type="area":"BarChart"===n.geometry&&(n.type="bar"),delete n.geometry):("scatter"===n.type?"lines"===n.mode?n.geometry="LinePlot":"markers"===n.mode?n.geometry="DotPlot":"lines+markers"===n.mode&&(n.geometry="LinePlot",n.dotVisible=!0):"area"===n.type?n.geometry="AreaChart":"bar"===n.type&&(n.geometry="BarChart"),delete n.mode,delete n.type),n}),!e&&t.layout&&"stack"===t.layout.barmode)){var a=o.util.duplicates(r.data.map(function(t,e){return t.geometry}));r.data.forEach(function(t,e){var n=a.indexOf(t.geometry);-1!=n&&(r.data[e].groupId=n)})}if(t.layout){var 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clamp(m[2], lo[2], hi[2]),\n clamp(m[3], lo[3], hi[3]));\n}\n\nbool mshow(mat4 p, mat4 lo, mat4 hi) {\n return mclamp(p, lo, hi) == p;\n}\n\nfloat val(mat4 p, mat4 v) {\n return dot(matrixCompMult(p, v) * unit, unit);\n}\n\nvoid main() {\n\n float x = 0.5 * sign(pf[3]) + 0.5;\n float prominence = abs(pf[3]);\n float depth = 1.0 - prominence;\n\n mat4 pA = mat4(p0, p1, p2, p3);\n mat4 pB = mat4(p4, p5, p6, p7);\n mat4 pC = mat4(p8, p9, pa, pb);\n mat4 pD = mat4(pc, pd, pe, abs(pf));\n\n float show = float(mshow(pA, loA, hiA) &&\n mshow(pB, loB, hiB) &&\n mshow(pC, loC, hiC) &&\n mshow(pD, loD, hiD));\n\n vec2 yy = show * vec2(val(pA, dim2A) + val(pB, dim2B) + val(pC, dim2C) + val(pD, dim2D),\n val(pA, dim1A) + val(pB, dim1B) + val(pC, dim1C) + val(pD, dim1D));\n\n vec2 dimensionToggle = vec2(x, 1.0 - x);\n\n vec2 scatterToggle = vec2(scatter, 1.0 - scatter);\n\n float y = dot(yy, dimensionToggle);\n mat2 xy = mat2(viewBoxSize * yy + dimensionToggle, viewBoxSize * vec2(x, y));\n\n vec2 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fragColor;\n}\n",primitive:"lines",lineWidth:1,attributes:O,uniforms:{resolution:F.prop("resolution"),viewBoxPosition:F.prop("viewBoxPosition"),viewBoxSize:F.prop("viewBoxSize"),dim1A:F.prop("dim1A"),dim2A:F.prop("dim2A"),dim1B:F.prop("dim1B"),dim2B:F.prop("dim2B"),dim1C:F.prop("dim1C"),dim2C:F.prop("dim2C"),dim1D:F.prop("dim1D"),dim2D:F.prop("dim2D"),loA:F.prop("loA"),hiA:F.prop("hiA"),loB:F.prop("loB"),hiB:F.prop("hiB"),loC:F.prop("loC"),hiC:F.prop("hiC"),loD:F.prop("loD"),hiD:F.prop("hiD"),palette:R,colorClamp:F.prop("colorClamp"),scatter:F.prop("scatter")},offset:F.prop("offset"),count:F.prop("count")}),j=[0,1],B=[];return{setColorDomain:function(t){j[0]=t[0],j[1]=t[1]},render:function(t,e,a){var o,s,l,c=1/0,f=-1/0;for(o=0;of&&(f=t[o].dim2.canvasX,l=o),t[o].dim1.canvasXi)return a;i=o,a=n[r]}return n[n.length-1]}function o(t){return d.scale.linear().domain(i(t))}function s(t,e,r){var i=v(e),a=i.trace,s=i.lineColor,l=i.cscale,c=a.line,u=a.domain,p=a.dimensions,m=t.width,g=a.labelfont,y=a.tickfont,x=a.rangefont,b=h.extendDeep({},c,{color:s.map(o({values:s,range:[c.cmin,c.cmax]})),blockLineCount:f.blockLineCount,canvasOverdrag:f.overdrag*f.canvasPixelRatio}),_=Math.floor(m*(u.x[1]-u.x[0])),w=Math.floor(t.height*(u.y[1]-u.y[0])),M=t.margin||{l:80,r:80,t:100,b:80},k=_,A=w;return{key:r,colCount:p.filter(n).length,dimensions:p,tickDistance:f.tickDistance,unitToColor:function(t){var e=t.map(function(t){return t[0]}),r=t.map(function(t){return t[1]}).map(function(t){return d.rgb(t)}),n="rgb".split("").map(function(t){return d.scale.linear().clamp(!0).domain(e).range(r.map(function(t){return function(e){return e[t]}}(t)))});return function(t){return n.map(function(e){return e(t)})}}(l),lines:b,labelFont:g,tickFont:y,rangeFont:x,layoutWidth:m,layoutHeight:t.height,domain:u,translateX:u.x[0]*m,translateY:t.height-u.y[1]*t.height,pad:M,canvasWidth:k*f.canvasPixelRatio+2*b.canvasOverdrag,canvasHeight:A*f.canvasPixelRatio,width:k,height:A,canvasPixelRatio:f.canvasPixelRatio}}function l(t){var e=t.width,r=t.height,a=t.dimensions,s=t.canvasPixelRatio,l=function(r){return e*r/Math.max(1,t.colCount-1)},c=f.verticalPadding/(r*s),u=1-2*c,h=function(t){return c+u*t},p={key:t.key,xScale:l,model:t},m={};return p.dimensions=a.filter(n).map(function(e,n){var a=o(e),c=m[e.label];m[e.label]=(c||0)+1;return{key:e.label+(c?"__"+c:""),label:e.label,tickFormat:e.tickformat,tickvals:e.tickvals,ticktext:e.ticktext,ordinal:!!e.tickvals,scatter:f.scatter||e.scatter,xIndex:n,crossfilterDimensionIndex:n,visibleIndex:e._index,height:r,values:e.values,paddedUnitValues:e.values.map(a).map(h),xScale:l,x:l(n),canvasX:l(n)*s,unitScale:function(t,e){return d.scale.linear().range([t-e,e])}(r,f.verticalPadding),domainScale:function(t,e,r){var n=i(r),a=r.ticktext;return r.tickvals?d.scale.ordinal().domain(r.tickvals.map(function(t,e){return function(r,n){if(e){var i=e[n];return null===i||void 0===i?t(r):i}return t(r)}}(d.format(r.tickformat),a))).range(r.tickvals.map(function(t){return(t-n[0])/(n[1]-n[0])}).map(function(r){return t-e+r*(e-(t-e))})):d.scale.linear().domain(n).range([t-e,e])}(r,f.verticalPadding,e),ordinalScale:function(t){var e=i(t);return t.tickvals&&d.scale.ordinal().domain(t.tickvals).range(t.tickvals.map(function(t){return(t-e[0])/(e[1]-e[0])}))}(e),domainToUnitScale:a,filter:e.constraintrange?e.constraintrange.map(a):[0,1],parent:p,model:t}}),p}function c(t){t.classed(f.cn.axisExtentText,!0).attr("text-anchor","middle").style("cursor","default").style("user-select","none")}var u=t("./lines"),f=t("./constants"),h=t("../../lib"),d=t("d3"),p=t("../../components/drawing"),m=t("../../lib/gup").keyFun,g=t("../../lib/gup").repeat,v=t("../../lib/gup").unwrap;e.exports=function(t,e,r,n,i,o){function y(t){return t.dimensions.some(function(t){return 0!==t.filter[0]||1!==t.filter[1]})}function x(t,e){return(f.scatter?function(t,e){for(var r=e.panels||(e.panels=[]),n=t.each(function(t){return t})[e.key].map(function(t){return t.__data__}),i=n.length-1,a=i,o=0;o=r||s>=n)return;var l=t.lineLayer.readPixel(a,n-1-s),c=0!==l[3],u=c?l[2]+256*(l[1]+256*l[0]):null,f={x:a,y:s,clientX:e.clientX,clientY:e.clientY,dataIndex:t.model.key,curveNumber:u};u!==L&&(c?o.hover(f):o.unhover&&o.unhover(f),L=u)}}),S.style("opacity",function(t){return t.pick?.01:1}),e.style("background","rgba(255, 255, 255, 0)");var C=e.selectAll("."+f.cn.parcoords).data(T,m);C.exit().remove(),C.enter().append("g").classed(f.cn.parcoords,!0).attr("overflow","visible").style("box-sizing","content-box").style("position","absolute").style("left",0).style("overflow","visible").style("shape-rendering","crispEdges").style("pointer-events","none").call(function(t){var e=t.selectAll("defs").data(g,m);e.enter().append("defs");var r=e.selectAll("#"+f.id.filterBarPattern).data(g,m);r.enter().append("pattern").attr("id",f.id.filterBarPattern).attr("patternUnits","userSpaceOnUse"),r.attr("x",-f.bar.width).attr("width",f.bar.capturewidth).attr("height",function(t){return t.model.height});var n=r.selectAll("rect").data(g,m);n.enter().append("rect").attr("shape-rendering","crispEdges"),n.attr("height",function(t){return t.model.height}).attr("width",f.bar.width).attr("x",f.bar.width/2).attr("fill",f.bar.fillcolor).attr("fill-opacity",f.bar.fillopacity).attr("stroke",f.bar.strokecolor).attr("stroke-opacity",f.bar.strokeopacity).attr("stroke-width",f.bar.strokewidth)}),C.attr("width",function(t){return t.model.width+t.model.pad.l+t.model.pad.r}).attr("height",function(t){return t.model.height+t.model.pad.t+t.model.pad.b}).attr("transform",function(t){return"translate("+t.model.translateX+","+t.model.translateY+")"});var z=C.selectAll("."+f.cn.parcoordsControlView).data(g,m);z.enter().append("g").classed(f.cn.parcoordsControlView,!0).style("box-sizing","content-box"),z.attr("transform",function(t){return"translate("+t.model.pad.l+","+t.model.pad.t+")"});var D=z.selectAll("."+f.cn.yAxis).data(function(t){return t.dimensions},m);D.enter().append("g").classed(f.cn.yAxis,!0).each(function(t){E.dimensions.push(t)}),z.each(function(t){x(D,t)}),S.filter(function(t){return!!t.viewModel}).each(function(t){t.lineLayer=u(this,t,f.scatter),t.viewModel[t.key]=t.lineLayer,E.renderers.push(function(){t.lineLayer.render(t.viewModel.panels,!0)}),t.lineLayer.render(t.viewModel.panels,!t.context)}),D.attr("transform",function(t){return"translate("+t.xScale(t.xIndex)+", 0)"}),D.call(d.behavior.drag().origin(function(t){return t}).on("drag",function(t){var e=t.parent;A=!1,k||(t.x=Math.max(-f.overdrag,Math.min(t.model.width+f.overdrag,d.event.x)),t.canvasX=t.x*t.model.canvasPixelRatio,D.sort(function(t,e){return t.x-e.x}).each(function(e,r){e.xIndex=r,e.x=t===e?e.x:e.xScale(e.xIndex),e.canvasX=e.x*e.model.canvasPixelRatio}),x(D,e),D.filter(function(e){return 0!==Math.abs(t.xIndex-e.xIndex)}).attr("transform",function(t){return"translate("+t.xScale(t.xIndex)+", 0)"}),d.select(this).attr("transform","translate("+t.x+", 0)"),D.each(function(r,n,i){i===t.parent.key&&(e.dimensions[n]=r)}),e.contextLayer&&e.contextLayer.render(e.panels,!1,!y(e)),e.focusLayer.render&&e.focusLayer.render(e.panels))}).on("dragend",function(t){var e=t.parent;k?"ending"===k&&(k=!1):(t.x=t.xScale(t.xIndex),t.canvasX=t.x*t.model.canvasPixelRatio,x(D,e),d.select(this).attr("transform",function(t){return"translate("+t.x+", 0)"}),e.contextLayer&&e.contextLayer.render(e.panels,!1,!y(e)),e.focusLayer&&e.focusLayer.render(e.panels),e.pickLayer&&e.pickLayer.render(e.panels,!0),A=!0,o&&o.axesMoved&&o.axesMoved(e.key,e.dimensions.map(function(t){return t.crossfilterDimensionIndex})))})),D.exit().remove();var I=D.selectAll("."+f.cn.axisOverlays).data(g,m);I.enter().append("g").classed(f.cn.axisOverlays,!0),I.selectAll("."+f.cn.axis).remove();var P=I.selectAll("."+f.cn.axis).data(g,m);P.enter().append("g").classed(f.cn.axis,!0),P.each(function(t){var e=t.model.height/t.model.tickDistance,r=t.domainScale,n=r.domain();d.select(this).call(d.svg.axis().orient("left").tickSize(4).outerTickSize(2).ticks(e,t.tickFormat).tickValues(t.ordinal?n:null).tickFormat(t.ordinal?function(t){return t}:null).scale(r)),p.font(P.selectAll("text"),t.model.tickFont)}),P.selectAll(".domain, .tick>line").attr("fill","none").attr("stroke","black").attr("stroke-opacity",.25).attr("stroke-width","1px"),P.selectAll("text").style("text-shadow","1px 1px 1px #fff, -1px -1px 1px #fff, 1px -1px 1px #fff, -1px 1px 1px #fff").style("cursor","default").style("user-select","none");var O=I.selectAll("."+f.cn.axisHeading).data(g,m);O.enter().append("g").classed(f.cn.axisHeading,!0);var F=O.selectAll("."+f.cn.axisTitle).data(g,m);F.enter().append("text").classed(f.cn.axisTitle,!0).attr("text-anchor","middle").style("cursor","ew-resize").style("user-select","none").style("pointer-events","auto"),F.attr("transform","translate(0,"+-f.axisTitleOffset+")").text(function(t){return t.label}).each(function(t){p.font(F,t.model.labelFont)});var R=I.selectAll("."+f.cn.axisExtent).data(g,m);R.enter().append("g").classed(f.cn.axisExtent,!0);var N=R.selectAll("."+f.cn.axisExtentTop).data(g,m);N.enter().append("g").classed(f.cn.axisExtentTop,!0),N.attr("transform","translate(0,"+-f.axisExtentOffset+")");var j=N.selectAll("."+f.cn.axisExtentTopText).data(g,m);j.enter().append("text").classed(f.cn.axisExtentTopText,!0).call(c),j.text(function(t){return b(t)(t.domainScale.domain().slice(-1)[0])}).each(function(t){p.font(j,t.model.rangeFont)});var B=R.selectAll("."+f.cn.axisExtentBottom).data(g,m);B.enter().append("g").classed(f.cn.axisExtentBottom,!0),B.attr("transform",function(t){return"translate(0,"+(t.model.height+f.axisExtentOffset)+")"});var U=B.selectAll("."+f.cn.axisExtentBottomText).data(g,m);U.enter().append("text").classed(f.cn.axisExtentBottomText,!0).attr("dy","0.75em").call(c),U.text(function(t){return b(t)(t.domainScale.domain()[0])}).each(function(t){p.font(U,t.model.rangeFont)});var V=I.selectAll("."+f.cn.axisBrush).data(g,m),q=V.enter().append("g").classed(f.cn.axisBrush,!0);V.each(function(t){t.brush||(t.brush=d.svg.brush().y(t.unitScale).on("brushstart",_).on("brush",w).on("brushend",M),0===t.filter[0]&&1===t.filter[1]||t.brush.extent(t.filter),d.select(this).call(t.brush))}),q.selectAll("rect").attr("x",-f.bar.capturewidth/2).attr("width",f.bar.capturewidth),q.selectAll("rect.extent").attr("fill","url(#"+f.id.filterBarPattern+")").style("cursor","ns-resize").filter(function(t){return 0===t.filter[0]&&1===t.filter[1]}).attr("y",-100),q.selectAll(".resize rect").attr("height",f.bar.handleheight).attr("opacity",0).style("visibility","visible"),q.selectAll(".resize.n rect").style("cursor","n-resize").attr("y",f.bar.handleoverlap-f.bar.handleheight),q.selectAll(".resize.s rect").style("cursor","s-resize").attr("y",f.bar.handleoverlap);var H=!1,G=!1;return E}},{"../../components/drawing":643,"../../lib":743,"../../lib/gup":740,"./constants":1035,"./lines":1038,d3:128}],1040:[function(t,e,r){(function(r){"use strict";var n=t("./parcoords"),i=t("regl");e.exports=function(t,e){var a=t._fullLayout,o=a._toppaper,s=a._paperdiv,l=a._glcontainer;a._glcanvas.each(function(e){e.regl||(e.regl=i({canvas:this,attributes:{antialias:!e.pick,preserveDrawingBuffer:!0},pixelRatio:t._context.plotGlPixelRatio||r.devicePixelRatio}))});var c={},u={},f=a._size;e.forEach(function(e,r){c[r]=t.data[r].dimensions,u[r]=t.data[r].dimensions.slice()});n(s,o,l,e,{width:f.w,height:f.h,margin:{t:f.t,r:f.r,b:f.b,l:f.l}},{filterChanged:function(e,r,n){var i=u[e][r],a=i.constraintrange;a&&2===a.length||(a=i.constraintrange=[]),a[0]=n[0],a[1]=n[1],t.emit("plotly_restyle")},hover:function(e){t.emit("plotly_hover",e)},unhover:function(e){t.emit("plotly_unhover",e)},axesMoved:function(e,r){function n(t){return!("visible"in t)||t.visible}function i(t,e,r){var n=e.indexOf(r),i=t.indexOf(n);return-1===i&&(i+=e.length),i}var a=function(t){return function(e,n){return i(r,t,e)-i(r,t,n)}}(u[e].filter(n));c[e].sort(a),u[e].filter(function(t){return!n(t)}).sort(function(t){return u[e].indexOf(t)}).forEach(function(t){c[e].splice(c[e].indexOf(t),1),c[e].splice(u[e].indexOf(t),0,t)}),t.emit("plotly_restyle")}})}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./parcoords":1039,regl:506}],1041:[function(t,e,r){"use strict";var n=t("../../components/color/attributes"),i=t("../../plots/font_attributes"),a=t("../../plots/attributes"),o=t("../../plots/domain_attributes"),s=t("../../lib/extend").extendFlat,l=i({editType:"calc",colorEditType:"style"});e.exports={labels:{valType:"data_array",editType:"calc"},label0:{valType:"number",dflt:0,editType:"calc"},dlabel:{valType:"number",dflt:1,editType:"calc"},values:{valType:"data_array",editType:"calc"},marker:{colors:{valType:"data_array",editType:"calc"},line:{color:{valType:"color",dflt:n.defaultLine,arrayOk:!0,editType:"style"},width:{valType:"number",min:0,dflt:0,arrayOk:!0,editType:"style"},editType:"calc"},editType:"calc"},text:{valType:"data_array",editType:"calc"},hovertext:{valType:"string",dflt:"",arrayOk:!0,editType:"style"},scalegroup:{valType:"string",dflt:"",editType:"calc"},textinfo:{valType:"flaglist",flags:["label","text","value","percent"],extras:["none"],editType:"calc"},hoverinfo:s({},a.hoverinfo,{flags:["label","text","value","percent","name"]}),textposition:{valType:"enumerated",values:["inside","outside","auto","none"],dflt:"auto",arrayOk:!0,editType:"calc"},textfont:s({},l,{}),insidetextfont:s({},l,{}),outsidetextfont:s({},l,{}),domain:o({name:"pie",trace:!0,editType:"calc"}),hole:{valType:"number",min:0,max:1,dflt:0,editType:"calc"},sort:{valType:"boolean",dflt:!0,editType:"calc"},direction:{valType:"enumerated",values:["clockwise","counterclockwise"],dflt:"counterclockwise",editType:"calc"},rotation:{valType:"number",min:-360,max:360,dflt:0,editType:"calc"},pull:{valType:"number",min:0,max:1,dflt:0,arrayOk:!0,editType:"calc"}}},{"../../components/color/attributes":617,"../../lib/extend":732,"../../plots/attributes":787,"../../plots/domain_attributes":815,"../../plots/font_attributes":816}],1042:[function(t,e,r){"use strict";var n=t("../../registry");r.name="pie",r.plot=function(t){var e=n.getModule("pie"),r=function(t,e){for(var r=[],n=0;n")}}return y};var l},{"../../components/color":618,"./helpers":1046,"fast-isnumeric":140,tinycolor2:546}],1044:[function(t,e,r){"use strict";var n=t("../../lib"),i=t("./attributes");e.exports=function(t,e,r,a){function o(r,a){return n.coerce(t,e,i,r,a)}var s=n.coerceFont,l=o("values"),c=o("labels");if(!Array.isArray(c)){if(!Array.isArray(l)||!l.length)return void(e.visible=!1);o("label0"),o("dlabel")}o("marker.line.width")&&o("marker.line.color");var u=o("marker.colors");Array.isArray(u)||(e.marker.colors=[]),o("scalegroup");var f=o("text"),h=o("textinfo",Array.isArray(f)?"text+percent":"percent");if(o("hovertext"),h&&"none"!==h){var d=o("textposition"),p=Array.isArray(d)||"auto"===d,m=p||"inside"===d,g=p||"outside"===d;if(m||g){var v=s(o,"textfont",a.font);m&&s(o,"insidetextfont",v),g&&s(o,"outsidetextfont",v)}}o("domain.x"),o("domain.y"),o("hole"),o("sort"),o("direction"),o("rotation"),o("pull")}},{"../../lib":743,"./attributes":1041}],1045:[function(t,e,r){"use strict";var n=t("../../components/fx/helpers").appendArrayMultiPointValues;e.exports=function(t,e){var r={curveNumber:e.index,pointNumbers:t.pts,data:e._input,fullData:e,label:t.label,color:t.color,value:t.v,v:t.v};return 1===t.pts.length&&(r.pointNumber=r.i=t.pts[0]),n(r,e,t.pts),r}},{"../../components/fx/helpers":657}],1046:[function(t,e,r){"use strict";var n=t("../../lib");r.formatPiePercent=function(t,e){var r=(100*t).toPrecision(3);return-1!==r.lastIndexOf(".")&&(r=r.replace(/[.]?0+$/,"")),n.numSeparate(r,e)+"%"},r.formatPieValue=function(t,e){var r=t.toPrecision(10);return-1!==r.lastIndexOf(".")&&(r=r.replace(/[.]?0+$/,"")),n.numSeparate(r,e)},r.getFirstFilled=function(t,e){if(Array.isArray(t))for(var r=0;r0?1:-1)/2,y:a/(1+r*r/(n*n)),outside:!0}}var a=t("d3"),o=t("../../components/fx"),s=t("../../components/color"),l=t("../../components/drawing"),c=t("../../lib/svg_text_utils"),u=t("./helpers"),f=t("./event_data");e.exports=function(t,e){var r=t._fullLayout;!function(t,e){var r,n,i,a,o,s,l,c,u,f=[];for(i=0;il&&(l=s.pull[a]);o.r=Math.min(r,n)/(2+2*l),o.cx=e.l+e.w*(s.domain.x[1]+s.domain.x[0])/2,o.cy=e.t+e.h*(2-s.domain.y[1]-s.domain.y[0])/2,s.scalegroup&&-1===f.indexOf(s.scalegroup)&&f.push(s.scalegroup)}for(a=0;aa.vTotal/2?1:0)}(e),h.each(function(){var h=a.select(this).selectAll("g.slice").data(e);h.enter().append("g").classed("slice",!0),h.exit().remove();var m=[[[],[]],[[],[]]],g=!1;h.each(function(e){function s(t,r,n,i){return"a"+i*d.r+","+i*d.r+" 0 "+e.largeArc+(n?" 1 ":" 0 ")+i*(r[0]-t[0])+","+i*(r[1]-t[1])}if(e.hidden)a.select(this).selectAll("path,g").remove();else{e.pointNumber=e.i,e.curveNumber=p.index,m[e.pxmid[1]<0?0:1][e.pxmid[0]<0?0:1].push(e);var h=d.cx,v=d.cy,y=a.select(this),x=y.selectAll("path.surface").data([e]),b=!1,_=!1;if(x.enter().append("path").classed("surface",!0).style({"pointer-events":"all"}),y.select("path.textline").remove(),y.on("mouseover",function(){var i=t._fullLayout,s=t._fullData[p.index];if(!t._dragging&&!1!==i.hovermode){var l=s.hoverinfo;if(Array.isArray(l)&&(l=o.castHoverinfo({hoverinfo:[u.castOption(l,e.pts)],_module:p._module},i,0)),"all"===l&&(l="label+text+value+percent+name"),"none"!==l&&"skip"!==l&&l){var c=n(e,d),m=h+e.pxmid[0]*(1-c),g=v+e.pxmid[1]*(1-c),y=r.separators,x=[];if(-1!==l.indexOf("label")&&x.push(e.label),-1!==l.indexOf("text")){var w=u.castOption(s.hovertext||s.text,e.pts);w&&x.push(w)}-1!==l.indexOf("value")&&x.push(u.formatPieValue(e.v,y)),-1!==l.indexOf("percent")&&x.push(u.formatPiePercent(e.v/d.vTotal,y));var M=p.hoverlabel,k=M.font;o.loneHover({x0:m-c*d.r,x1:m+c*d.r,y:g,text:x.join("
"),name:-1!==l.indexOf("name")?s.name:void 0,idealAlign:e.pxmid[0]<0?"left":"right",color:u.castOption(M.bgcolor,e.pts)||e.color,borderColor:u.castOption(M.bordercolor,e.pts),fontFamily:u.castOption(k.family,e.pts),fontSize:u.castOption(k.size,e.pts),fontColor:u.castOption(k.color,e.pts)},{container:i._hoverlayer.node(),outerContainer:i._paper.node(),gd:t}),b=!0}t.emit("plotly_hover",{points:[f(e,s)],event:a.event}),_=!0}}).on("mouseout",function(r){var n=t._fullLayout,i=t._fullData[p.index];_&&(r.originalEvent=a.event,t.emit("plotly_unhover",{points:[f(e,i)],event:a.event}),_=!1),b&&(o.loneUnhover(n._hoverlayer.node()),b=!1)}).on("click",function(){var r=t._fullLayout,n=t._fullData[p.index];t._dragging||!1===r.hovermode||(t._hoverdata=[f(e,n)],o.click(t,a.event))}),p.pull){var w=+u.castOption(p.pull,e.pts)||0;w>0&&(h+=w*e.pxmid[0],v+=w*e.pxmid[1])}e.cxFinal=h,e.cyFinal=v;var M=p.hole;if(e.v===d.vTotal){var k="M"+(h+e.px0[0])+","+(v+e.px0[1])+s(e.px0,e.pxmid,!0,1)+s(e.pxmid,e.px0,!0,1)+"Z";M?x.attr("d","M"+(h+M*e.px0[0])+","+(v+M*e.px0[1])+s(e.px0,e.pxmid,!1,M)+s(e.pxmid,e.px0,!1,M)+"Z"+k):x.attr("d",k)}else{var A=s(e.px0,e.px1,!0,1);if(M){var T=1-M;x.attr("d","M"+(h+M*e.px1[0])+","+(v+M*e.px1[1])+s(e.px1,e.px0,!1,M)+"l"+T*e.px0[0]+","+T*e.px0[1]+A+"Z")}else x.attr("d","M"+h+","+v+"l"+e.px0[0]+","+e.px0[1]+A+"Z")}var S=u.castOption(p.textposition,e.pts),E=y.selectAll("g.slicetext").data(e.text&&"none"!==S?[0]:[]);E.enter().append("g").classed("slicetext",!0),E.exit().remove(),E.each(function(){var r=a.select(this).selectAll("text").data([0]);r.enter().append("text").attr("data-notex",1),r.exit().remove(),r.text(e.text).attr({class:"slicetext",transform:"","text-anchor":"middle"}).call(l.font,"outside"===S?p.outsidetextfont:p.insidetextfont).call(c.convertToTspans,t);var o,s=l.bBox(r.node());"outside"===S?o=i(s,e):(o=function(t,e,r){var i=Math.sqrt(t.width*t.width+t.height*t.height),a=t.width/t.height,o=Math.PI*Math.min(e.v/r.vTotal,.5),s=1-r.trace.hole,l=n(e,r),c={scale:l*r.r*2/i,rCenter:1-l,rotate:0};if(c.scale>=1)return c;var u=a+1/(2*Math.tan(o)),f=r.r*Math.min(1/(Math.sqrt(u*u+.5)+u),s/(Math.sqrt(a*a+s/2)+a)),h={scale:2*f/t.height,rCenter:Math.cos(f/r.r)-f*a/r.r,rotate:(180/Math.PI*e.midangle+720)%180-90},d=1/a,p=d+1/(2*Math.tan(o)),m=r.r*Math.min(1/(Math.sqrt(p*p+.5)+p),s/(Math.sqrt(d*d+s/2)+d)),g={scale:2*m/t.width,rCenter:Math.cos(m/r.r)-m/a/r.r,rotate:(180/Math.PI*e.midangle+810)%180-90},v=g.scale>h.scale?g:h;return c.scale<1&&v.scale>c.scale?v:c}(s,e,d),"auto"===S&&o.scale<1&&(r.call(l.font,p.outsidetextfont),p.outsidetextfont.family===p.insidetextfont.family&&p.outsidetextfont.size===p.insidetextfont.size||(s=l.bBox(r.node())),o=i(s,e)));var u=h+e.pxmid[0]*o.rCenter+(o.x||0),f=v+e.pxmid[1]*o.rCenter+(o.y||0);o.outside&&(e.yLabelMin=f-s.height/2,e.yLabelMid=f,e.yLabelMax=f+s.height/2,e.labelExtraX=0,e.labelExtraY=0,g=!0),r.attr("transform","translate("+u+","+f+")"+(o.scale<1?"scale("+o.scale+")":"")+(o.rotate?"rotate("+o.rotate+")":"")+"translate("+-(s.left+s.right)/2+","+-(s.top+s.bottom)/2+")")})}}),g&&function(t,e){function r(t,e){return t.pxmid[1]-e.pxmid[1]}function n(t,e){return e.pxmid[1]-t.pxmid[1]}function i(t,r){r||(r={});var n,i,a,s,d=r.labelExtraY+(o?r.yLabelMax:r.yLabelMin),p=o?t.yLabelMin:t.yLabelMax,g=o?t.yLabelMax:t.yLabelMin,v=t.cyFinal+c(t.px0[1],t.px1[1]),y=d-p;if(y*h>0&&(t.labelExtraY=y),Array.isArray(e.pull))for(i=0;i=(u.castOption(e.pull,a.pts)||0)||((t.pxmid[1]-a.pxmid[1])*h>0?(y=a.cyFinal+c(a.px0[1],a.px1[1])-p-t.labelExtraY)*h>0&&(t.labelExtraY+=y):(g+t.labelExtraY-v)*h>0&&(n=3*f*Math.abs(i-m.indexOf(t)),(s=a.cxFinal+l(a.px0[0],a.px1[0])+n-(t.cxFinal+t.pxmid[0])-t.labelExtraX)*f>0&&(t.labelExtraX+=s)))}var a,o,s,l,c,f,h,d,p,m,g,v,y;for(o=0;o<2;o++)for(s=o?r:n,c=o?Math.max:Math.min,h=o?1:-1,a=0;a<2;a++){for(l=a?Math.max:Math.min,f=a?1:-1,(d=t[o][a]).sort(s),p=t[1-o][a],m=p.concat(d),v=[],g=0;gMath.abs(c)?i+="l"+c*t.pxmid[0]/t.pxmid[1]+","+c+"H"+(n+t.labelExtraX+o):i+="l"+t.labelExtraX+","+l+"v"+(c-l)+"h"+o}else i+="V"+(t.yLabelMid+t.labelExtraY)+"h"+o;e.append("path").classed("textline",!0).call(s.stroke,p.outsidetextfont.color).attr({"stroke-width":Math.min(2,p.outsidetextfont.size/8),d:i,fill:"none"})}})})}),setTimeout(function(){h.selectAll("tspan").each(function(){var t=a.select(this);t.attr("dy")&&t.attr("dy",t.attr("dy"))})},0)}},{"../../components/color":618,"../../components/drawing":643,"../../components/fx":660,"../../lib/svg_text_utils":766,"./event_data":1045,"./helpers":1046,d3:128}],1051:[function(t,e,r){"use strict";var n=t("d3"),i=t("./style_one");e.exports=function(t){t._fullLayout._pielayer.selectAll(".trace").each(function(t){var e=t[0].trace,r=n.select(this);r.style({opacity:e.opacity}),r.selectAll("path.surface").each(function(t){n.select(this).call(i,t,e)})})}},{"./style_one":1052,d3:128}],1052:[function(t,e,r){"use strict";var n=t("../../components/color"),i=t("./helpers").castOption;e.exports=function(t,e,r){var a=r.marker.line,o=i(a.color,e.pts)||n.defaultLine,s=i(a.width,e.pts)||0;t.style({"stroke-width":s}).call(n.fill,e.color).call(n.stroke,o)}},{"../../components/color":618,"./helpers":1046}],1053:[function(t,e,r){"use strict";var n=t("../scatter/attributes");e.exports={x:n.x,y:n.y,xy:{valType:"data_array",editType:"calc"},indices:{valType:"data_array",editType:"calc"},xbounds:{valType:"data_array",editType:"calc"},ybounds:{valType:"data_array",editType:"calc"},text:n.text,marker:{color:{valType:"color",arrayOk:!1,editType:"calc"},opacity:{valType:"number",min:0,max:1,dflt:1,arrayOk:!1,editType:"calc"},blend:{valType:"boolean",dflt:null,editType:"calc"},sizemin:{valType:"number",min:.1,max:2,dflt:.5,editType:"calc"},sizemax:{valType:"number",min:.1,dflt:20,editType:"calc"},border:{color:{valType:"color",arrayOk:!1,editType:"calc"},arearatio:{valType:"number",min:0,max:1,dflt:0,editType:"calc"},editType:"calc"},editType:"calc"}}},{"../scatter/attributes":1066}],1054:[function(t,e,r){"use strict";function n(t,e){this.scene=t,this.uid=e,this.type="pointcloud",this.pickXData=[],this.pickYData=[],this.xData=[],this.yData=[],this.textLabels=[],this.color="rgb(0, 0, 0)",this.name="",this.hoverinfo="all",this.idToIndex=new Int32Array(0),this.bounds=[0,0,0,0],this.pointcloudOptions={positions:new Float32Array(0),idToIndex:this.idToIndex,sizemin:.5,sizemax:12,color:[0,0,0,1],areaRatio:1,borderColor:[0,0,0,1]},this.pointcloud=i(t.glplot,this.pointcloudOptions),this.pointcloud._trace=this}var i=t("gl-pointcloud2d"),a=t("../../lib/str2rgbarray"),o=t("../scatter/get_trace_color"),s=["xaxis","yaxis"],l=n.prototype;l.handlePick=function(t){var e=this.idToIndex[t.pointId];return{trace:this,dataCoord:t.dataCoord,traceCoord:this.pickXYData?[this.pickXYData[2*e],this.pickXYData[2*e+1]]:[this.pickXData[e],this.pickYData[e]],textLabel:Array.isArray(this.textLabels)?this.textLabels[e]:this.textLabels,color:this.color,name:this.name,pointIndex:e,hoverinfo:this.hoverinfo}},l.update=function(t){this.index=t.index,this.textLabels=t.text,this.name=t.name,this.hoverinfo=t.hoverinfo,this.bounds=[1/0,1/0,-1/0,-1/0],this.updateFast(t),this.color=o(t,{})},l.updateFast=function(t){var e,r,n,i,o,s,l=this.xData=this.pickXData=t.x,c=this.yData=this.pickYData=t.y,u=this.pickXYData=t.xy,f=t.xbounds&&t.ybounds,h=t.indices,d=this.bounds;if(u){if(n=u,e=u.length>>>1,f)d[0]=t.xbounds[0],d[2]=t.xbounds[1],d[1]=t.ybounds[0],d[3]=t.ybounds[1];else for(s=0;sd[2]&&(d[2]=i),od[3]&&(d[3]=o);if(h)r=h;else for(r=new Int32Array(e),s=0;sd[2]&&(d[2]=i),od[3]&&(d[3]=o);this.idToIndex=r,this.pointcloudOptions.idToIndex=r,this.pointcloudOptions.positions=n;var p=a(t.marker.color),m=a(t.marker.border.color),g=t.opacity*t.marker.opacity;p[3]*=g,this.pointcloudOptions.color=p;var v=t.marker.blend;if(null===v){v=l.length<100||c.length<100}this.pointcloudOptions.blend=v,m[3]*=g,this.pointcloudOptions.borderColor=m;var y=t.marker.sizemin,x=Math.max(t.marker.sizemax,t.marker.sizemin);this.pointcloudOptions.sizeMin=y,this.pointcloudOptions.sizeMax=x,this.pointcloudOptions.areaRatio=t.marker.border.arearatio,this.pointcloud.update(this.pointcloudOptions),this.expandAxesFast(d,x/2)},l.expandAxesFast=function(t,e){for(var r,n,i,a=e||.5,o=0;o<2;o++)(n=(r=this.scene[s[o]])._min)||(n=[]),n.push({val:t[o],pad:a}),(i=r._max)||(i=[]),i.push({val:t[o+2],pad:a})},l.dispose=function(){this.pointcloud.dispose()},e.exports=function(t,e){var r=new n(t,e.uid);return r.update(e),r}},{"../../lib/str2rgbarray":765,"../scatter/get_trace_color":1076,"gl-pointcloud2d":235}],1055:[function(t,e,r){"use strict";var n=t("../../lib"),i=t("./attributes");e.exports=function(t,e,r){function a(r,a){return n.coerce(t,e,i,r,a)}a("x"),a("y"),a("xbounds"),a("ybounds"),t.xy&&t.xy instanceof Float32Array&&(e.xy=t.xy),t.indices&&t.indices instanceof Int32Array&&(e.indices=t.indices),a("text"),a("marker.color",r),a("marker.opacity"),a("marker.blend"),a("marker.sizemin"),a("marker.sizemax"),a("marker.border.color",r),a("marker.border.arearatio")}},{"../../lib":743,"./attributes":1053}],1056:[function(t,e,r){"use strict";var n={};n.attributes=t("./attributes"),n.supplyDefaults=t("./defaults"),n.calc=t("../scatter3d/calc"),n.plot=t("./convert"),n.moduleType="trace",n.name="pointcloud",n.basePlotModule=t("../../plots/gl2d"),n.categories=["gl","gl2d","showLegend"],n.meta={},e.exports=n},{"../../plots/gl2d":829,"../scatter3d/calc":1092,"./attributes":1053,"./convert":1054,"./defaults":1055}],1057:[function(t,e,r){"use strict";var n=t("../../plots/font_attributes"),i=t("../../plots/attributes"),a=t("../../components/color/attributes"),o=t("../../components/fx/attributes"),s=t("../../plots/domain_attributes"),l=t("../../lib/extend").extendFlat,c=t("../../plot_api/edit_types").overrideAll;e.exports=c({hoverinfo:l({},i.hoverinfo,{flags:["label","text","value","percent","name"]}),hoverlabel:o.hoverlabel,domain:s({name:"sankey",trace:!0}),orientation:{valType:"enumerated",values:["v","h"],dflt:"h"},valueformat:{valType:"string",dflt:".3s"},valuesuffix:{valType:"string",dflt:""},arrangement:{valType:"enumerated",values:["snap","perpendicular","freeform","fixed"],dflt:"snap"},textfont:n({}),node:{label:{valType:"data_array",dflt:[]},color:{valType:"color",arrayOk:!0},line:{color:{valType:"color",dflt:a.defaultLine,arrayOk:!0},width:{valType:"number",min:0,dflt:.5,arrayOk:!0}},pad:{valType:"number",arrayOk:!1,min:0,dflt:20},thickness:{valType:"number",arrayOk:!1,min:1,dflt:20}},link:{label:{valType:"data_array",dflt:[]},color:{valType:"color",arrayOk:!0},line:{color:{valType:"color",dflt:a.defaultLine,arrayOk:!0},width:{valType:"number",min:0,dflt:0,arrayOk:!0}},source:{valType:"data_array",dflt:[]},target:{valType:"data_array",dflt:[]},value:{valType:"data_array",dflt:[]}}},"calc","nested")},{"../../components/color/attributes":617,"../../components/fx/attributes":652,"../../lib/extend":732,"../../plot_api/edit_types":773,"../../plots/attributes":787,"../../plots/domain_attributes":815,"../../plots/font_attributes":816}],1058:[function(t,e,r){"use strict";var n=t("../../plot_api/edit_types").overrideAll,i=t("../../plots/get_data").getModuleCalcData,a=t("./plot"),o=t("../../components/fx/layout_attributes");r.name="sankey",r.baseLayoutAttrOverrides=n({hoverlabel:o.hoverlabel},"plot","nested"),r.plot=function(t){var e=i(t.calcdata,"sankey");a(t,e)},r.clean=function(t,e,r,n){var i=n._has&&n._has("sankey"),a=e._has&&e._has("sankey");i&&!a&&n._paperdiv.selectAll(".sankey").remove()}},{"../../components/fx/layout_attributes":661,"../../plot_api/edit_types":773,"../../plots/get_data":826,"./plot":1063}],1059:[function(t,e,r){"use strict";var n=t("strongly-connected-components"),i=t("../../lib"),a=t("../../lib/gup").wrap;e.exports=function(t,e){return function(t,e,r){for(var i=t.map(function(){return[]}),a=0;a1})}(e.node.label,e.link.source,e.link.target)&&(i.error("Circularity is present in the Sankey data. 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n={},i=t("./subtypes");n.hasLines=i.hasLines,n.hasMarkers=i.hasMarkers,n.hasText=i.hasText,n.isBubble=i.isBubble,n.attributes=t("./attributes"),n.supplyDefaults=t("./defaults"),n.cleanData=t("./clean_data"),n.calc=t("./calc").calc,n.arraysToCalcdata=t("./arrays_to_calcdata"),n.plot=t("./plot"),n.colorbar=t("./colorbar"),n.style=t("./style").style,n.hoverPoints=t("./hover"),n.selectPoints=t("./select"),n.animatable=!0,n.moduleType="trace",n.name="scatter",n.basePlotModule=t("../../plots/cartesian"),n.categories=["cartesian","symbols","markerColorscale","errorBarsOK","showLegend","scatter-like"],n.meta={},e.exports=n},{"../../plots/cartesian":800,"./arrays_to_calcdata":1065,"./attributes":1066,"./calc":1067,"./clean_data":1069,"./colorbar":1070,"./defaults":1073,"./hover":1077,"./plot":1085,"./select":1086,"./style":1087,"./subtypes":1088}],1079:[function(t,e,r){"use strict";var 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t=this.map;t.removeLayer(this.idLayerFill),t.removeLayer(this.idLayerLine),t.removeLayer(this.idLayerCircle),t.removeLayer(this.idLayerSymbol),t.removeSource(this.idSourceFill),t.removeSource(this.idSourceLine),t.removeSource(this.idSourceCircle),t.removeSource(this.idSourceSymbol)},e.exports=function(t,e){var r=new n(t,e[0].trace.uid);return r.update(e),r}},{"./convert":1117}],1123:[function(t,e,r){"use strict";var n=t("../scatter/subtypes");e.exports=function(t,e){var r,i,a,o,s,l=t.cd,c=t.xaxis,u=t.yaxis,f=[],h=l[0].trace;if(!n.hasMarkers(h))return[];if(!1===e)for(s=0;s")}var i=t("../scatter/hover"),a=t("../../plots/cartesian/axes"),o=t("../../lib");e.exports={hoverPoints:function(t,e,r,a){var o=i(t,e,r,a);if(o&&!1!==o[0].index){var s=o[0];if(void 0===s.index)return o;var l=t.subplot,c=s.cd[s.index],u=s.trace;if(l.isPtWithinSector(c))return s.xLabelVal=void 0,s.yLabelVal=void 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_t=(c+(n=n+Math.imul(f,rt)|0)|0)+((8191&(i=(i=i+Math.imul(f,nt)|0)+Math.imul(h,rt)|0))<<13)|0;c=((a=a+Math.imul(h,nt)|0)+(i>>>13)|0)+(_t>>>26)|0,_t&=67108863,n=Math.imul(L,U),i=(i=Math.imul(L,V))+Math.imul(C,U)|0,a=Math.imul(C,V),n=n+Math.imul(T,H)|0,i=(i=i+Math.imul(T,G)|0)+Math.imul(S,H)|0,a=a+Math.imul(S,G)|0,n=n+Math.imul(M,W)|0,i=(i=i+Math.imul(M,X)|0)+Math.imul(k,W)|0,a=a+Math.imul(k,X)|0,n=n+Math.imul(b,J)|0,i=(i=i+Math.imul(b,K)|0)+Math.imul(_,J)|0,a=a+Math.imul(_,K)|0,n=n+Math.imul(v,$)|0,i=(i=i+Math.imul(v,tt)|0)+Math.imul(y,$)|0,a=a+Math.imul(y,tt)|0,n=n+Math.imul(p,rt)|0,i=(i=i+Math.imul(p,nt)|0)+Math.imul(m,rt)|0,a=a+Math.imul(m,nt)|0;var wt=(c+(n=n+Math.imul(f,at)|0)|0)+((8191&(i=(i=i+Math.imul(f,ot)|0)+Math.imul(h,at)|0))<<13)|0;c=((a=a+Math.imul(h,ot)|0)+(i>>>13)|0)+(wt>>>26)|0,wt&=67108863,n=Math.imul(D,U),i=(i=Math.imul(D,V))+Math.imul(I,U)|0,a=Math.imul(I,V),n=n+Math.imul(L,H)|0,i=(i=i+Math.imul(L,G)|0)+Math.imul(C,H)|0,a=a+Math.imul(C,G)|0,n=n+Math.imul(T,W)|0,i=(i=i+Math.imul(T,X)|0)+Math.imul(S,W)|0,a=a+Math.imul(S,X)|0,n=n+Math.imul(M,J)|0,i=(i=i+Math.imul(M,K)|0)+Math.imul(k,J)|0,a=a+Math.imul(k,K)|0,n=n+Math.imul(b,$)|0,i=(i=i+Math.imul(b,tt)|0)+Math.imul(_,$)|0,a=a+Math.imul(_,tt)|0,n=n+Math.imul(v,rt)|0,i=(i=i+Math.imul(v,nt)|0)+Math.imul(y,rt)|0,a=a+Math.imul(y,nt)|0,n=n+Math.imul(p,at)|0,i=(i=i+Math.imul(p,ot)|0)+Math.imul(m,at)|0,a=a+Math.imul(m,ot)|0;var Mt=(c+(n=n+Math.imul(f,lt)|0)|0)+((8191&(i=(i=i+Math.imul(f,ct)|0)+Math.imul(h,lt)|0))<<13)|0;c=((a=a+Math.imul(h,ct)|0)+(i>>>13)|0)+(Mt>>>26)|0,Mt&=67108863,n=Math.imul(O,U),i=(i=Math.imul(O,V))+Math.imul(F,U)|0,a=Math.imul(F,V),n=n+Math.imul(D,H)|0,i=(i=i+Math.imul(D,G)|0)+Math.imul(I,H)|0,a=a+Math.imul(I,G)|0,n=n+Math.imul(L,W)|0,i=(i=i+Math.imul(L,X)|0)+Math.imul(C,W)|0,a=a+Math.imul(C,X)|0,n=n+Math.imul(T,J)|0,i=(i=i+Math.imul(T,K)|0)+Math.imul(S,J)|0,a=a+Math.imul(S,K)|0,n=n+Math.imul(M,$)|0,i=(i=i+Math.imul(M,tt)|0)+Math.imul(k,$)|0,a=a+Math.imul(k,tt)|0,n=n+Math.imul(b,rt)|0,i=(i=i+Math.imul(b,nt)|0)+Math.imul(_,rt)|0,a=a+Math.imul(_,nt)|0,n=n+Math.imul(v,at)|0,i=(i=i+Math.imul(v,ot)|0)+Math.imul(y,at)|0,a=a+Math.imul(y,ot)|0,n=n+Math.imul(p,lt)|0,i=(i=i+Math.imul(p,ct)|0)+Math.imul(m,lt)|0,a=a+Math.imul(m,ct)|0;var kt=(c+(n=n+Math.imul(f,ft)|0)|0)+((8191&(i=(i=i+Math.imul(f,ht)|0)+Math.imul(h,ft)|0))<<13)|0;c=((a=a+Math.imul(h,ht)|0)+(i>>>13)|0)+(kt>>>26)|0,kt&=67108863,n=Math.imul(N,U),i=(i=Math.imul(N,V))+Math.imul(j,U)|0,a=Math.imul(j,V),n=n+Math.imul(O,H)|0,i=(i=i+Math.imul(O,G)|0)+Math.imul(F,H)|0,a=a+Math.imul(F,G)|0,n=n+Math.imul(D,W)|0,i=(i=i+Math.imul(D,X)|0)+Math.imul(I,W)|0,a=a+Math.imul(I,X)|0,n=n+Math.imul(L,J)|0,i=(i=i+Math.imul(L,K)|0)+Math.imul(C,J)|0,a=a+Math.imul(C,K)|0,n=n+Math.imul(T,$)|0,i=(i=i+Math.imul(T,tt)|0)+Math.imul(S,$)|0,a=a+Math.imul(S,tt)|0,n=n+Math.imul(M,rt)|0,i=(i=i+Math.imul(M,nt)|0)+Math.imul(k,rt)|0,a=a+Math.imul(k,nt)|0,n=n+Math.imul(b,at)|0,i=(i=i+Math.imul(b,ot)|0)+Math.imul(_,at)|0,a=a+Math.imul(_,ot)|0,n=n+Math.imul(v,lt)|0,i=(i=i+Math.imul(v,ct)|0)+Math.imul(y,lt)|0,a=a+Math.imul(y,ct)|0,n=n+Math.imul(p,ft)|0,i=(i=i+Math.imul(p,ht)|0)+Math.imul(m,ft)|0,a=a+Math.imul(m,ht)|0;var At=(c+(n=n+Math.imul(f,pt)|0)|0)+((8191&(i=(i=i+Math.imul(f,mt)|0)+Math.imul(h,pt)|0))<<13)|0;c=((a=a+Math.imul(h,mt)|0)+(i>>>13)|0)+(At>>>26)|0,At&=67108863,n=Math.imul(N,H),i=(i=Math.imul(N,G))+Math.imul(j,H)|0,a=Math.imul(j,G),n=n+Math.imul(O,W)|0,i=(i=i+Math.imul(O,X)|0)+Math.imul(F,W)|0,a=a+Math.imul(F,X)|0,n=n+Math.imul(D,J)|0,i=(i=i+Math.imul(D,K)|0)+Math.imul(I,J)|0,a=a+Math.imul(I,K)|0,n=n+Math.imul(L,$)|0,i=(i=i+Math.imul(L,tt)|0)+Math.imul(C,$)|0,a=a+Math.imul(C,tt)|0,n=n+Math.imul(T,rt)|0,i=(i=i+Math.imul(T,nt)|0)+Math.imul(S,rt)|0,a=a+Math.imul(S,nt)|0,n=n+Math.imul(M,at)|0,i=(i=i+Math.imul(M,ot)|0)+Math.imul(k,at)|0,a=a+Math.imul(k,ot)|0,n=n+Math.imul(b,lt)|0,i=(i=i+Math.imul(b,ct)|0)+Math.imul(_,lt)|0,a=a+Math.imul(_,ct)|0,n=n+Math.imul(v,ft)|0,i=(i=i+Math.imul(v,ht)|0)+Math.imul(y,ft)|0,a=a+Math.imul(y,ht)|0;var Tt=(c+(n=n+Math.imul(p,pt)|0)|0)+((8191&(i=(i=i+Math.imul(p,mt)|0)+Math.imul(m,pt)|0))<<13)|0;c=((a=a+Math.imul(m,mt)|0)+(i>>>13)|0)+(Tt>>>26)|0,Tt&=67108863,n=Math.imul(N,W),i=(i=Math.imul(N,X))+Math.imul(j,W)|0,a=Math.imul(j,X),n=n+Math.imul(O,J)|0,i=(i=i+Math.imul(O,K)|0)+Math.imul(F,J)|0,a=a+Math.imul(F,K)|0,n=n+Math.imul(D,$)|0,i=(i=i+Math.imul(D,tt)|0)+Math.imul(I,$)|0,a=a+Math.imul(I,tt)|0,n=n+Math.imul(L,rt)|0,i=(i=i+Math.imul(L,nt)|0)+Math.imul(C,rt)|0,a=a+Math.imul(C,nt)|0,n=n+Math.imul(T,at)|0,i=(i=i+Math.imul(T,ot)|0)+Math.imul(S,at)|0,a=a+Math.imul(S,ot)|0,n=n+Math.imul(M,lt)|0,i=(i=i+Math.imul(M,ct)|0)+Math.imul(k,lt)|0,a=a+Math.imul(k,ct)|0,n=n+Math.imul(b,ft)|0,i=(i=i+Math.imul(b,ht)|0)+Math.imul(_,ft)|0,a=a+Math.imul(_,ht)|0;var St=(c+(n=n+Math.imul(v,pt)|0)|0)+((8191&(i=(i=i+Math.imul(v,mt)|0)+Math.imul(y,pt)|0))<<13)|0;c=((a=a+Math.imul(y,mt)|0)+(i>>>13)|0)+(St>>>26)|0,St&=67108863,n=Math.imul(N,J),i=(i=Math.imul(N,K))+Math.imul(j,J)|0,a=Math.imul(j,K),n=n+Math.imul(O,$)|0,i=(i=i+Math.imul(O,tt)|0)+Math.imul(F,$)|0,a=a+Math.imul(F,tt)|0,n=n+Math.imul(D,rt)|0,i=(i=i+Math.imul(D,nt)|0)+Math.imul(I,rt)|0,a=a+Math.imul(I,nt)|0,n=n+Math.imul(L,at)|0,i=(i=i+Math.imul(L,ot)|0)+Math.imul(C,at)|0,a=a+Math.imul(C,ot)|0,n=n+Math.imul(T,lt)|0,i=(i=i+Math.imul(T,ct)|0)+Math.imul(S,lt)|0,a=a+Math.imul(S,ct)|0,n=n+Math.imul(M,ft)|0,i=(i=i+Math.imul(M,ht)|0)+Math.imul(k,ft)|0,a=a+Math.imul(k,ht)|0;var Et=(c+(n=n+Math.imul(b,pt)|0)|0)+((8191&(i=(i=i+Math.imul(b,mt)|0)+Math.imul(_,pt)|0))<<13)|0;c=((a=a+Math.imul(_,mt)|0)+(i>>>13)|0)+(Et>>>26)|0,Et&=67108863,n=Math.imul(N,$),i=(i=Math.imul(N,tt))+Math.imul(j,$)|0,a=Math.imul(j,tt),n=n+Math.imul(O,rt)|0,i=(i=i+Math.imul(O,nt)|0)+Math.imul(F,rt)|0,a=a+Math.imul(F,nt)|0,n=n+Math.imul(D,at)|0,i=(i=i+Math.imul(D,ot)|0)+Math.imul(I,at)|0,a=a+Math.imul(I,ot)|0,n=n+Math.imul(L,lt)|0,i=(i=i+Math.imul(L,ct)|0)+Math.imul(C,lt)|0,a=a+Math.imul(C,ct)|0,n=n+Math.imul(T,ft)|0,i=(i=i+Math.imul(T,ht)|0)+Math.imul(S,ft)|0,a=a+Math.imul(S,ht)|0;var Lt=(c+(n=n+Math.imul(M,pt)|0)|0)+((8191&(i=(i=i+Math.imul(M,mt)|0)+Math.imul(k,pt)|0))<<13)|0;c=((a=a+Math.imul(k,mt)|0)+(i>>>13)|0)+(Lt>>>26)|0,Lt&=67108863,n=Math.imul(N,rt),i=(i=Math.imul(N,nt))+Math.imul(j,rt)|0,a=Math.imul(j,nt),n=n+Math.imul(O,at)|0,i=(i=i+Math.imul(O,ot)|0)+Math.imul(F,at)|0,a=a+Math.imul(F,ot)|0,n=n+Math.imul(D,lt)|0,i=(i=i+Math.imul(D,ct)|0)+Math.imul(I,lt)|0,a=a+Math.imul(I,ct)|0,n=n+Math.imul(L,ft)|0,i=(i=i+Math.imul(L,ht)|0)+Math.imul(C,ft)|0,a=a+Math.imul(C,ht)|0;var Ct=(c+(n=n+Math.imul(T,pt)|0)|0)+((8191&(i=(i=i+Math.imul(T,mt)|0)+Math.imul(S,pt)|0))<<13)|0;c=((a=a+Math.imul(S,mt)|0)+(i>>>13)|0)+(Ct>>>26)|0,Ct&=67108863,n=Math.imul(N,at),i=(i=Math.imul(N,ot))+Math.imul(j,at)|0,a=Math.imul(j,ot),n=n+Math.imul(O,lt)|0,i=(i=i+Math.imul(O,ct)|0)+Math.imul(F,lt)|0,a=a+Math.imul(F,ct)|0,n=n+Math.imul(D,ft)|0,i=(i=i+Math.imul(D,ht)|0)+Math.imul(I,ft)|0,a=a+Math.imul(I,ht)|0;var zt=(c+(n=n+Math.imul(L,pt)|0)|0)+((8191&(i=(i=i+Math.imul(L,mt)|0)+Math.imul(C,pt)|0))<<13)|0;c=((a=a+Math.imul(C,mt)|0)+(i>>>13)|0)+(zt>>>26)|0,zt&=67108863,n=Math.imul(N,lt),i=(i=Math.imul(N,ct))+Math.imul(j,lt)|0,a=Math.imul(j,ct),n=n+Math.imul(O,ft)|0,i=(i=i+Math.imul(O,ht)|0)+Math.imul(F,ft)|0,a=a+Math.imul(F,ht)|0;var Dt=(c+(n=n+Math.imul(D,pt)|0)|0)+((8191&(i=(i=i+Math.imul(D,mt)|0)+Math.imul(I,pt)|0))<<13)|0;c=((a=a+Math.imul(I,mt)|0)+(i>>>13)|0)+(Dt>>>26)|0,Dt&=67108863,n=Math.imul(N,ft),i=(i=Math.imul(N,ht))+Math.imul(j,ft)|0,a=Math.imul(j,ht);var It=(c+(n=n+Math.imul(O,pt)|0)|0)+((8191&(i=(i=i+Math.imul(O,mt)|0)+Math.imul(F,pt)|0))<<13)|0;c=((a=a+Math.imul(F,mt)|0)+(i>>>13)|0)+(It>>>26)|0,It&=67108863;var Pt=(c+(n=Math.imul(N,pt))|0)+((8191&(i=(i=Math.imul(N,mt))+Math.imul(j,pt)|0))<<13)|0;return c=((a=Math.imul(j,mt))+(i>>>13)|0)+(Pt>>>26)|0,Pt&=67108863,l[0]=gt,l[1]=vt,l[2]=yt,l[3]=xt,l[4]=bt,l[5]=_t,l[6]=wt,l[7]=Mt,l[8]=kt,l[9]=At,l[10]=Tt,l[11]=St,l[12]=Et,l[13]=Lt,l[14]=Ct,l[15]=zt,l[16]=Dt,l[17]=It,l[18]=Pt,0!==c&&(l[19]=c,r.length++),r};Math.imul||(w=l),a.prototype.mulTo=function(t,e){var r=this.length+t.length;return 10===this.length&&10===t.length?w(this,t,e):r<63?l(this,t,e):r<1024?function(t,e,r){r.negative=e.negative^t.negative,r.length=t.length+e.length;for(var n=0,i=0,a=0;a>>26)|0)>>>26,o&=67108863}r.words[a]=s,n=o,o=i}return 0!==n?r.words[a]=n:r.length--,r.strip()}(this,t,e):c(this,t,e)},u.prototype.makeRBT=function(t){for(var e=new Array(t),r=a.prototype._countBits(t)-1,n=0;n>=1;return n},u.prototype.permute=function(t,e,r,n,i,a){for(var o=0;o>>=1)i++;return 1<>>=13,r[2*o+1]=8191&a,a>>>=13;for(o=2*e;o>=26,e+=i/67108864|0,e+=a>>>26,this.words[r]=67108863&a}return 0!==e&&(this.words[r]=e,this.length++),this},a.prototype.muln=function(t){return this.clone().imuln(t)},a.prototype.sqr=function(){return this.mul(this)},a.prototype.isqr=function(){return this.imul(this.clone())},a.prototype.pow=function(t){var e=function(t){for(var e=new Array(t.bitLength()),r=0;r>>i}return e}(t);if(0===e.length)return new a(1);for(var r=this,n=0;n=0);var e,r=t%26,i=(t-r)/26,a=67108863>>>26-r<<26-r;if(0!==r){var o=0;for(e=0;e>>26-r}o&&(this.words[e]=o,this.length++)}if(0!==i){for(e=this.length-1;e>=0;e--)this.words[e+i]=this.words[e];for(e=0;e=0);var i;i=e?(e-e%26)/26:0;var a=t%26,o=Math.min((t-a)/26,this.length),s=67108863^67108863>>>a<o)for(this.length-=o,c=0;c=0&&(0!==u||c>=i);c--){var f=0|this.words[c];this.words[c]=u<<26-a|f>>>a,u=f&s}return l&&0!==u&&(l.words[l.length++]=u),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},a.prototype.ishrn=function(t,e,r){return n(0===this.negative),this.iushrn(t,e,r)},a.prototype.shln=function(t){return this.clone().ishln(t)},a.prototype.ushln=function(t){return this.clone().iushln(t)},a.prototype.shrn=function(t){return this.clone().ishrn(t)},a.prototype.ushrn=function(t){return this.clone().iushrn(t)},a.prototype.testn=function(t){n("number"==typeof t&&t>=0);var e=t%26,r=(t-e)/26,i=1<=0);var e=t%26,r=(t-e)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)return this;if(0!==e&&r++,this.length=Math.min(r,this.length),0!==e){var i=67108863^67108863>>>e<=67108864;e++)this.words[e]-=67108864,e===this.length-1?this.words[e+1]=1:this.words[e+1]++;return this.length=Math.max(this.length,e+1),this},a.prototype.isubn=function(t){if(n("number"==typeof t),n(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var e=0;e>26)-(l/67108864|0),this.words[i+r]=67108863&o}for(;i>26,this.words[i+r]=67108863&o;if(0===s)return this.strip();for(n(-1===s),s=0,i=0;i>26,this.words[i]=67108863&o;return this.negative=1,this.strip()},a.prototype._wordDiv=function(t,e){var r=this.length-t.length,n=this.clone(),i=t,o=0|i.words[i.length-1];0!==(r=26-this._countBits(o))&&(i=i.ushln(r),n.iushln(r),o=0|i.words[i.length-1]);var s,l=n.length-i.length;if("mod"!==e){(s=new a(null)).length=l+1,s.words=new Array(s.length);for(var c=0;c=0;f--){var h=67108864*(0|n.words[i.length+f])+(0|n.words[i.length+f-1]);for(h=Math.min(h/o|0,67108863),n._ishlnsubmul(i,h,f);0!==n.negative;)h--,n.negative=0,n._ishlnsubmul(i,1,f),n.isZero()||(n.negative^=1);s&&(s.words[f]=h)}return s&&s.strip(),n.strip(),"div"!==e&&0!==r&&n.iushrn(r),{div:s||null,mod:n}},a.prototype.divmod=function(t,e,r){if(n(!t.isZero()),this.isZero())return{div:new a(0),mod:new a(0)};var i,o,s;return 0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,e),"mod"!==e&&(i=s.div.neg()),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:i,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),e),"mod"!==e&&(i=s.div.neg()),{div:i,mod:s.mod}):0!=(this.negative&t.negative)?(s=this.neg().divmod(t.neg(),e),"div"!==e&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||this.cmp(t)<0?{div:new a(0),mod:this}:1===t.length?"div"===e?{div:this.divn(t.words[0]),mod:null}:"mod"===e?{div:null,mod:new a(this.modn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new a(this.modn(t.words[0]))}:this._wordDiv(t,e)},a.prototype.div=function(t){return this.divmod(t,"div",!1).div},a.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},a.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},a.prototype.divRound=function(t){var e=this.divmod(t);if(e.mod.isZero())return e.div;var r=0!==e.div.negative?e.mod.isub(t):e.mod,n=t.ushrn(1),i=t.andln(1),a=r.cmp(n);return a<0||1===i&&0===a?e.div:0!==e.div.negative?e.div.isubn(1):e.div.iaddn(1)},a.prototype.modn=function(t){n(t<=67108863);for(var e=(1<<26)%t,r=0,i=this.length-1;i>=0;i--)r=(e*r+(0|this.words[i]))%t;return r},a.prototype.idivn=function(t){n(t<=67108863);for(var e=0,r=this.length-1;r>=0;r--){var i=(0|this.words[r])+67108864*e;this.words[r]=i/t|0,e=i%t}return this.strip()},a.prototype.divn=function(t){return this.clone().idivn(t)},a.prototype.egcd=function(t){n(0===t.negative),n(!t.isZero());var e=this,r=t.clone();e=0!==e.negative?e.umod(t):e.clone();for(var i=new a(1),o=new a(0),s=new a(0),l=new a(1),c=0;e.isEven()&&r.isEven();)e.iushrn(1),r.iushrn(1),++c;for(var u=r.clone(),f=e.clone();!e.isZero();){for(var h=0,d=1;0==(e.words[0]&d)&&h<26;++h,d<<=1);if(h>0)for(e.iushrn(h);h-- >0;)(i.isOdd()||o.isOdd())&&(i.iadd(u),o.isub(f)),i.iushrn(1),o.iushrn(1);for(var 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M,k,A,T,S,E,L=.5*p.buffer/p.extent,C=.5-L,z=.5+L,D=1+L;M=k=A=T=null,S=u(t,v,r-L,r+z,0,a,x.min[0],x.max[0]),E=u(t,v,r+C,r+D,0,a,x.min[0],x.max[0]),S&&(M=u(S,v,n-L,n+z,1,o,x.min[1],x.max[1]),k=u(S,v,n+C,n+D,1,o,x.min[1],x.max[1])),E&&(A=u(E,v,n-L,n+z,1,o,x.min[1],x.max[1]),T=u(E,v,n+C,n+D,1,o,x.min[1],x.max[1])),m>1&&console.timeEnd("clipping"),t.length&&(d.push(M||[],e+1,2*r,2*n),d.push(k||[],e+1,2*r,2*n+1),d.push(A||[],e+1,2*r+1,2*n),d.push(T||[],e+1,2*r+1,2*n+1))}else l&&(g=e)}return g},n.prototype.getTile=function(t,e,r){var n=this.options,a=n.extent,o=n.debug,l=1<1&&console.log("drilling down to z%d-%d-%d",t,e,r);for(var f,h=t,d=e,p=r;!f&&h>0;)h--,d=Math.floor(d/2),p=Math.floor(p/2),f=this.tiles[i(h,d,p)];if(!f||!f.source)return null;if(o>1&&console.log("found parent tile z%d-%d-%d",h,d,p),s(f,a,n.buffer))return c.tile(f,a);o>1&&console.time("drilling down");var m=this.splitTile(f.source,h,d,p,t,e,r);if(o>1&&console.timeEnd("drilling down"),null!==m){var g=1<1?(n=a,i=o):f>0&&(n+=c*f,i+=u*f)}return c=s-n,u=l-i,c*c+u*u}(t[r],t[s],t[l]))>n&&(a=r,n=i);n>o?(t[a][2]=n,c.push(s),c.push(a),s=a):(l=c.pop(),s=c.pop())}}},{}],153:[function(t,e,r){"use strict";e.exports=function(t,e,r,n,i,a){for(var o={features:[],numPoints:0,numSimplified:0,numFeatures:0,source:null,x:r,y:n,z2:e,transformed:!1,min:[2,1],max:[-1,0]},s=0;sf)&&(h.push(s),t.numSimplified++),t.numPoints++;3===c&&function(t,e){(function(t){for(var e,r,n=0,i=0,a=t.length,o=a-1;io.max[0]&&(o.max[0]=c[0]),c[1]>o.max[1]&&(o.max[1]=c[1])}return o}},{}],154:[function(t,e,r){"use strict";function n(t,e,r,n,i){return[Math.round(e*(t[0]*r-n)),Math.round(e*(t[1]*r-i))]}r.tile=function(t,e){if(t.transformed)return t;var r,i,a,o=t.z2,s=t.x,l=t.y;for(r=0;r0?(d[u]=-1,p[u]=0):(d[u]=0,p[u]=1)}}e.exports=function(t,e){var r=new i(t);return r.update(e),r};var s=t("./lib/text.js"),l=t("./lib/lines.js"),c=t("./lib/background.js"),u=t("./lib/cube.js"),f=t("./lib/ticks.js"),h=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]),d=i.prototype;d.update=function(t){function e(e,r,n){if(n in t){var i,a=t[n],o=this[n];(e?Array.isArray(a)&&Array.isArray(a[0]):Array.isArray(a))?this[n]=i=[r(a[0]),r(a[1]),r(a[2])]:this[n]=i=[r(a),r(a),r(a)];for(var s=0;s<3;++s)if(i[s]!==o[s])return!0}return!1}t=t||{};var r,n=e.bind(this,!1,Number),i=e.bind(this,!1,Boolean),a=e.bind(this,!1,String),o=e.bind(this,!0,function(t){if(Array.isArray(t)){if(3===t.length)return[+t[0],+t[1],+t[2],1];if(4===t.length)return[+t[0],+t[1],+t[2],+t[3]]}return[0,0,0,1]}),c=!1,u=!1;if("bounds"in t)for(var h=t.bounds,d=0;d<2;++d)for(var p=0;p<3;++p)h[d][p]!==this.bounds[d][p]&&(u=!0),this.bounds[d][p]=h[d][p];if("ticks"in t){r=t.ticks,c=!0,this.autoTicks=!1;for(d=0;d<3;++d)this.tickSpacing[d]=0}else n("tickSpacing")&&(this.autoTicks=!0,u=!0);if(this._firstInit&&("ticks"in t||"tickSpacing"in t||(this.autoTicks=!0),u=!0,c=!0,this._firstInit=!1),u&&this.autoTicks&&(r=f.create(this.bounds,this.tickSpacing),c=!0),c){for(d=0;d<3;++d)r[d].sort(function(t,e){return t.x-e.x});f.equal(r,this.ticks)?c=!1:this.ticks=r}i("tickEnable"),a("tickFont")&&(c=!0),n("tickSize"),n("tickAngle"),n("tickPad"),o("tickColor");var m=a("labels");a("labelFont")&&(m=!0),i("labelEnable"),n("labelSize"),n("labelPad"),o("labelColor"),i("lineEnable"),i("lineMirror"),n("lineWidth"),o("lineColor"),i("lineTickEnable"),i("lineTickMirror"),n("lineTickLength"),n("lineTickWidth"),o("lineTickColor"),i("gridEnable"),n("gridWidth"),o("gridColor"),i("zeroEnable"),o("zeroLineColor"),n("zeroLineWidth"),i("backgroundEnable"),o("backgroundColor"),this._text?this._text&&(m||c)&&this._text.update(this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont):this._text=s(this.gl,this.bounds,this.labels,this.labelFont,this.ticks,this.tickFont),this._lines&&c&&(this._lines.dispose(),this._lines=null),this._lines||(this._lines=l(this.gl,this.bounds,this.ticks))};var p=[new a,new a,new a],m=[0,0,0],g={model:h,view:h,projection:h};d.isOpaque=function(){return!0},d.isTransparent=function(){return!1},d.drawTransparent=function(t){};var v=[0,0,0],y=[0,0,0],x=[0,0,0];d.draw=function(t){t=t||g;for(var e=this.gl,r=t.model||h,i=t.view||h,a=t.projection||h,s=this.bounds,l=u(r,i,a,s),c=l.cubeEdges,f=l.axis,d=i[12],b=i[13],_=i[14],w=i[15],M=this.pixelRatio*(a[3]*d+a[7]*b+a[11]*_+a[15]*w)/e.drawingBufferHeight,k=0;k<3;++k)this.lastCubeProps.cubeEdges[k]=c[k],this.lastCubeProps.axis[k]=f[k];var A=p;for(k=0;k<3;++k)o(p[k],k,this.bounds,c,f);e=this.gl;var T=m;for(k=0;k<3;++k)this.backgroundEnable[k]?T[k]=f[k]:T[k]=0;this._background.draw(r,i,a,s,T,this.backgroundColor),this._lines.bind(r,i,a,this);for(k=0;k<3;++k){var S=[0,0,0];f[k]>0?S[k]=s[1][k]:S[k]=s[0][k];for(var E=0;E<2;++E){var L=(k+1+E)%3,C=(k+1+(1^E))%3;this.gridEnable[L]&&this._lines.drawGrid(L,C,this.bounds,S,this.gridColor[L],this.gridWidth[L]*this.pixelRatio)}for(E=0;E<2;++E){L=(k+1+E)%3,C=(k+1+(1^E))%3;this.zeroEnable[C]&&s[0][C]<=0&&s[1][C]>=0&&this._lines.drawZero(L,C,this.bounds,S,this.zeroLineColor[C],this.zeroLineWidth[C]*this.pixelRatio)}}for(k=0;k<3;++k){this.lineEnable[k]&&this._lines.drawAxisLine(k,this.bounds,A[k].primalOffset,this.lineColor[k],this.lineWidth[k]*this.pixelRatio),this.lineMirror[k]&&this._lines.drawAxisLine(k,this.bounds,A[k].mirrorOffset,this.lineColor[k],this.lineWidth[k]*this.pixelRatio);var z=n(v,A[k].primalMinor),D=n(y,A[k].mirrorMinor),I=this.lineTickLength;for(E=0;E<3;++E){var P=M/r[5*E];z[E]*=I[E]*P,D[E]*=I[E]*P}this.lineTickEnable[k]&&this._lines.drawAxisTicks(k,A[k].primalOffset,z,this.lineTickColor[k],this.lineTickWidth[k]*this.pixelRatio),this.lineTickMirror[k]&&this._lines.drawAxisTicks(k,A[k].mirrorOffset,D,this.lineTickColor[k],this.lineTickWidth[k]*this.pixelRatio)}this._text.bind(r,i,a,this.pixelRatio);for(k=0;k<3;++k){var O=A[k].primalMinor,F=n(x,A[k].primalOffset);for(E=0;E<3;++E)this.lineTickEnable[k]&&(F[E]+=M*O[E]*Math.max(this.lineTickLength[E],0)/r[5*E]);if(this.tickEnable[k]){for(E=0;E<3;++E)F[E]+=M*O[E]*this.tickPad[E]/r[5*E];this._text.drawTicks(k,this.tickSize[k],this.tickAngle[k],F,this.tickColor[k])}if(this.labelEnable[k]){for(E=0;E<3;++E)F[E]+=M*O[E]*this.labelPad[E]/r[5*E];F[k]+=.5*(s[0][k]+s[1][k]),this._text.drawLabel(k,this.labelSize[k],this.labelAngle[k],F,this.labelColor[k])}}},d.dispose=function(){this._text.dispose(),this._lines.dispose(),this._background.dispose(),this._lines=null,this._text=null,this._background=null,this.gl=null}},{"./lib/background.js":158,"./lib/cube.js":159,"./lib/lines.js":160,"./lib/text.js":162,"./lib/ticks.js":163}],158:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n}e.exports=function(t){for(var e=[],r=[],s=0,l=0;l<3;++l)for(var c=(l+1)%3,u=(l+2)%3,f=[0,0,0],h=[0,0,0],d=-1;d<=1;d+=2){r.push(s,s+2,s+1,s+1,s+2,s+3),f[l]=d,h[l]=d;for(var p=-1;p<=1;p+=2){f[c]=p;for(var m=-1;m<=1;m+=2)f[u]=m,e.push(f[0],f[1],f[2],h[0],h[1],h[2]),s+=1}var g=c;c=u,u=g}var v=i(t,new Float32Array(e)),y=i(t,new Uint16Array(r),t.ELEMENT_ARRAY_BUFFER),x=a(t,[{buffer:v,type:t.FLOAT,size:3,offset:0,stride:24},{buffer:v,type:t.FLOAT,size:3,offset:12,stride:24}],y),b=o(t);return b.attributes.position.location=0,b.attributes.normal.location=1,new n(t,v,x,b)};var i=t("gl-buffer"),a=t("gl-vao"),o=t("./shaders").bg,s=n.prototype;s.draw=function(t,e,r,n,i,a){for(var o=!1,s=0;s<3;++s)o=o||i[s];if(o){var l=this.gl;l.enable(l.POLYGON_OFFSET_FILL),l.polygonOffset(1,2),this.shader.bind(),this.shader.uniforms={model:t,view:e,projection:r,bounds:n,enable:i,colors:a},this.vao.bind(),this.vao.draw(this.gl.TRIANGLES,36),l.disable(l.POLYGON_OFFSET_FILL)}},s.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders":161,"gl-buffer":165,"gl-vao":259}],159:[function(t,e,r){"use strict";function n(t,e,r){for(var n=0;n<4;++n){t[n]=r[12+n];for(var i=0;i<3;++i)t[n]+=e[i]*r[4*i+n]}}function i(t){for(var e=0;eS&&(_|=1<S&&(_|=1<f[y][1]&&(O=y));var F=-1;for(y=0;y<3;++y)(N=O^1<f[R][0]&&(R=N))}var j=m;j[0]=j[1]=j[2]=0,j[a.log2(F^O)]=O&F,j[a.log2(O^R)]=O&R;var B=7^R;B===_||B===P?(B=7^F,j[a.log2(R^B)]=B&R):j[a.log2(F^B)]=B&F;var U=g,V=_;for(k=0;k<3;++k)U[k]=V&1< 0.0) {\n vec3 nPosition = mix(bounds[0], bounds[1], 0.5 * (position + 1.0));\n gl_Position = projection * view * model * vec4(nPosition, 1.0);\n } else {\n gl_Position = vec4(0,0,0,0);\n }\n colorChannel = abs(normal);\n}","precision mediump float;\n#define GLSLIFY 1\n\nuniform vec4 colors[3];\n\nvarying vec3 colorChannel;\n\nvoid main() {\n gl_FragColor = colorChannel.x * colors[0] + \n colorChannel.y * colors[1] +\n colorChannel.z * colors[2];\n}",null,[{name:"position",type:"vec3"},{name:"normal",type:"vec3"}])}},{"gl-shader":243}],162:[function(t,e,r){(function(r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=e,this.buffer=r,this.vao=n,this.tickOffset=this.tickCount=this.labelOffset=this.labelCount=null}e.exports=function(t,e,r,o,l,c){var u=i(t),f=a(t,[{buffer:u,size:3}]),h=s(t);h.attributes.position.location=0;var d=new n(t,h,u,f);return d.update(e,r,o,l,c),d};var i=t("gl-buffer"),a=t("gl-vao"),o=t("vectorize-text"),s=t("./shaders").text,l=window||r.global||{},c=l.__TEXT_CACHE||{};l.__TEXT_CACHE={};var u=n.prototype,f=[0,0];u.bind=function(t,e,r,n){this.vao.bind(),this.shader.bind();var i=this.shader.uniforms;i.model=t,i.view=e,i.projection=r,i.pixelScale=n,f[0]=this.gl.drawingBufferWidth,f[1]=this.gl.drawingBufferHeight,this.shader.uniforms.resolution=f},u.update=function(t,e,r,n,i){function a(t,e,r,n){var i=c[r];i||(i=c[r]={});var a=i[e];a||(a=i[e]=function(t,e){try{return o(t,e)}catch(t){return console.warn("error vectorizing text:",t),{cells:[],positions:[]}}}(e,{triangles:!0,font:r,textAlign:"center",textBaseline:"middle"}));for(var l=(n||12)/12,u=a.positions,f=a.cells,h=0,d=f.length;h=0;--m){var g=u[p[m]];s.push(l*g[0],-l*g[1],t)}}this.gl;for(var s=[],l=[0,0,0],u=[0,0,0],f=[0,0,0],h=[0,0,0],d=0;d<3;++d){f[d]=s.length/3|0,a(.5*(t[0][d]+t[1][d]),e[d],r),h[d]=(s.length/3|0)-f[d],l[d]=s.length/3|0;for(var p=0;p=0&&(i=r.length-n-1);var a=Math.pow(10,i),o=Math.round(t*e*a),s=o+"";if(s.indexOf("e")>=0)return s;var l=o/a,c=o%a;o<0?(l=0|-Math.ceil(l),c=0|-c):(l=0|Math.floor(l),c|=0);var u=""+l;if(o<0&&(u="-"+u),i){for(var f=""+c;f.length=t[0][i];--o)a.push({x:o*e[i],text:n(e[i],o)});r.push(a)}return r},r.equal=function(t,e){for(var r=0;r<3;++r){if(t[r].length!==e[r].length)return!1;for(var n=0;nr)throw new Error("gl-buffer: If resizing buffer, must not specify offset");return t.bufferSubData(e,a,i),r}function a(t,e){for(var r=o.malloc(t.length,e),n=t.length,i=0;i=0;--n){if(e[n]!==r)return!1;r*=t[n]}return!0}(t.shape,t.stride))0===t.offset&&t.data.length===t.shape[0]?this.length=i(this.gl,this.type,this.length,this.usage,t.data,e):this.length=i(this.gl,this.type,this.length,this.usage,t.data.subarray(t.offset,t.shape[0]),e);else{var n=o.malloc(t.size,r),u=l(n,t.shape);s.assign(u,t),this.length=e<0?i(this.gl,this.type,this.length,this.usage,n,e):i(this.gl,this.type,this.length,this.usage,n.subarray(0,t.size),e),o.free(n)}}else if(Array.isArray(t)){var f;f=this.type===this.gl.ELEMENT_ARRAY_BUFFER?a(t,"uint16"):a(t,"float32"),this.length=e<0?i(this.gl,this.type,this.length,this.usage,f,e):i(this.gl,this.type,this.length,this.usage,f.subarray(0,t.length),e),o.free(f)}else if("object"==typeof t&&"number"==typeof t.length)this.length=i(this.gl,this.type,this.length,this.usage,t,e);else{if("number"!=typeof t&&void 0!==t)throw new Error("gl-buffer: Invalid data type");if(e>=0)throw new Error("gl-buffer: Cannot specify offset when resizing buffer");(t|=0)<=0&&(t=1),this.gl.bufferData(this.type,0|t,this.usage),this.length=t}},e.exports=function(t,e,r,i){if(r=r||t.ARRAY_BUFFER,i=i||t.DYNAMIC_DRAW,r!==t.ARRAY_BUFFER&&r!==t.ELEMENT_ARRAY_BUFFER)throw new Error("gl-buffer: Invalid type for webgl buffer, must be either gl.ARRAY_BUFFER or gl.ELEMENT_ARRAY_BUFFER");if(i!==t.DYNAMIC_DRAW&&i!==t.STATIC_DRAW&&i!==t.STREAM_DRAW)throw new Error("gl-buffer: Invalid usage for buffer, must be either gl.DYNAMIC_DRAW, gl.STATIC_DRAW or gl.STREAM_DRAW");var a=new n(t,r,t.createBuffer(),0,i);return a.update(e),a}},{ndarray:458,"ndarray-ops":452,"typedarray-pool":554}],166:[function(t,e,r){e.exports={0:"NONE",1:"ONE",2:"LINE_LOOP",3:"LINE_STRIP",4:"TRIANGLES",5:"TRIANGLE_STRIP",6:"TRIANGLE_FAN",256:"DEPTH_BUFFER_BIT",512:"NEVER",513:"LESS",514:"EQUAL",515:"LEQUAL",516:"GREATER",517:"NOTEQUAL",518:"GEQUAL",519:"ALWAYS",768:"SRC_COLOR",769:"ONE_MINUS_SRC_COLOR",770:"SRC_ALPHA",771:"ONE_MINUS_SRC_ALPHA",772:"DST_ALPHA",773:"ONE_MINUS_DST_ALPHA",774:"DST_COLOR",775:"ONE_MINUS_DST_COLOR",776:"SRC_ALPHA_SATURATE",1024:"STENCIL_BUFFER_BIT",1028:"FRONT",1029:"BACK",1032:"FRONT_AND_BACK",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",2304:"CW",2305:"CCW",2849:"LINE_WIDTH",2884:"CULL_FACE",2885:"CULL_FACE_MODE",2886:"FRONT_FACE",2928:"DEPTH_RANGE",2929:"DEPTH_TEST",2930:"DEPTH_WRITEMASK",2931:"DEPTH_CLEAR_VALUE",2932:"DEPTH_FUNC",2960:"STENCIL_TEST",2961:"STENCIL_CLEAR_VALUE",2962:"STENCIL_FUNC",2963:"STENCIL_VALUE_MASK",2964:"STENCIL_FAIL",2965:"STENCIL_PASS_DEPTH_FAIL",2966:"STENCIL_PASS_DEPTH_PASS",2967:"STENCIL_REF",2968:"STENCIL_WRITEMASK",2978:"VIEWPORT",3024:"DITHER",3042:"BLEND",3088:"SCISSOR_BOX",3089:"SCISSOR_TEST",3106:"COLOR_CLEAR_VALUE",3107:"COLOR_WRITEMASK",3317:"UNPACK_ALIGNMENT",3333:"PACK_ALIGNMENT",3379:"MAX_TEXTURE_SIZE",3386:"MAX_VIEWPORT_DIMS",3408:"SUBPIXEL_BITS",3410:"RED_BITS",3411:"GREEN_BITS",3412:"BLUE_BITS",3413:"ALPHA_BITS",3414:"DEPTH_BITS",3415:"STENCIL_BITS",3553:"TEXTURE_2D",4352:"DONT_CARE",4353:"FASTEST",4354:"NICEST",5120:"BYTE",5121:"UNSIGNED_BYTE",5122:"SHORT",5123:"UNSIGNED_SHORT",5124:"INT",5125:"UNSIGNED_INT",5126:"FLOAT",5386:"INVERT",5890:"TEXTURE",6401:"STENCIL_INDEX",6402:"DEPTH_COMPONENT",6406:"ALPHA",6407:"RGB",6408:"RGBA",6409:"LUMINANCE",6410:"LUMINANCE_ALPHA",7680:"KEEP",7681:"REPLACE",7682:"INCR",7683:"DECR",7936:"VENDOR",7937:"RENDERER",7938:"VERSION",9728:"NEAREST",9729:"LINEAR",9984:"NEAREST_MIPMAP_NEAREST",9985:"LINEAR_MIPMAP_NEAREST",9986:"NEAREST_MIPMAP_LINEAR",9987:"LINEAR_MIPMAP_LINEAR",10240:"TEXTURE_MAG_FILTER",10241:"TEXTURE_MIN_FILTER",10242:"TEXTURE_WRAP_S",10243:"TEXTURE_WRAP_T",10497:"REPEAT",10752:"POLYGON_OFFSET_UNITS",16384:"COLOR_BUFFER_BIT",32769:"CONSTANT_COLOR",32770:"ONE_MINUS_CONSTANT_COLOR",32771:"CONSTANT_ALPHA",32772:"ONE_MINUS_CONSTANT_ALPHA",32773:"BLEND_COLOR",32774:"FUNC_ADD",32777:"BLEND_EQUATION_RGB",32778:"FUNC_SUBTRACT",32779:"FUNC_REVERSE_SUBTRACT",32819:"UNSIGNED_SHORT_4_4_4_4",32820:"UNSIGNED_SHORT_5_5_5_1",32823:"POLYGON_OFFSET_FILL",32824:"POLYGON_OFFSET_FACTOR",32854:"RGBA4",32855:"RGB5_A1",32873:"TEXTURE_BINDING_2D",32926:"SAMPLE_ALPHA_TO_COVERAGE",32928:"SAMPLE_COVERAGE",32936:"SAMPLE_BUFFERS",32937:"SAMPLES",32938:"SAMPLE_COVERAGE_VALUE",32939:"SAMPLE_COVERAGE_INVERT",32968:"BLEND_DST_RGB",32969:"BLEND_SRC_RGB",32970:"BLEND_DST_ALPHA",32971:"BLEND_SRC_ALPHA",33071:"CLAMP_TO_EDGE",33170:"GENERATE_MIPMAP_HINT",33189:"DEPTH_COMPONENT16",33306:"DEPTH_STENCIL_ATTACHMENT",33635:"UNSIGNED_SHORT_5_6_5",33648:"MIRRORED_REPEAT",33901:"ALIASED_POINT_SIZE_RANGE",33902:"ALIASED_LINE_WIDTH_RANGE",33984:"TEXTURE0",33985:"TEXTURE1",33986:"TEXTURE2",33987:"TEXTURE3",33988:"TEXTURE4",33989:"TEXTURE5",33990:"TEXTURE6",33991:"TEXTURE7",33992:"TEXTURE8",33993:"TEXTURE9",33994:"TEXTURE10",33995:"TEXTURE11",33996:"TEXTURE12",33997:"TEXTURE13",33998:"TEXTURE14",33999:"TEXTURE15",34e3:"TEXTURE16",34001:"TEXTURE17",34002:"TEXTURE18",34003:"TEXTURE19",34004:"TEXTURE20",34005:"TEXTURE21",34006:"TEXTURE22",34007:"TEXTURE23",34008:"TEXTURE24",34009:"TEXTURE25",34010:"TEXTURE26",34011:"TEXTURE27",34012:"TEXTURE28",34013:"TEXTURE29",34014:"TEXTURE30",34015:"TEXTURE31",34016:"ACTIVE_TEXTURE",34024:"MAX_RENDERBUFFER_SIZE",34041:"DEPTH_STENCIL",34055:"INCR_WRAP",34056:"DECR_WRAP",34067:"TEXTURE_CUBE_MAP",34068:"TEXTURE_BINDING_CUBE_MAP",34069:"TEXTURE_CUBE_MAP_POSITIVE_X",34070:"TEXTURE_CUBE_MAP_NEGATIVE_X",34071:"TEXTURE_CUBE_MAP_POSITIVE_Y",34072:"TEXTURE_CUBE_MAP_NEGATIVE_Y",34073:"TEXTURE_CUBE_MAP_POSITIVE_Z",34074:"TEXTURE_CUBE_MAP_NEGATIVE_Z",34076:"MAX_CUBE_MAP_TEXTURE_SIZE",34338:"VERTEX_ATTRIB_ARRAY_ENABLED",34339:"VERTEX_ATTRIB_ARRAY_SIZE",34340:"VERTEX_ATTRIB_ARRAY_STRIDE",34341:"VERTEX_ATTRIB_ARRAY_TYPE",34342:"CURRENT_VERTEX_ATTRIB",34373:"VERTEX_ATTRIB_ARRAY_POINTER",34466:"NUM_COMPRESSED_TEXTURE_FORMATS",34467:"COMPRESSED_TEXTURE_FORMATS",34660:"BUFFER_SIZE",34661:"BUFFER_USAGE",34816:"STENCIL_BACK_FUNC",34817:"STENCIL_BACK_FAIL",34818:"STENCIL_BACK_PASS_DEPTH_FAIL",34819:"STENCIL_BACK_PASS_DEPTH_PASS",34877:"BLEND_EQUATION_ALPHA",34921:"MAX_VERTEX_ATTRIBS",34922:"VERTEX_ATTRIB_ARRAY_NORMALIZED",34930:"MAX_TEXTURE_IMAGE_UNITS",34962:"ARRAY_BUFFER",34963:"ELEMENT_ARRAY_BUFFER",34964:"ARRAY_BUFFER_BINDING",34965:"ELEMENT_ARRAY_BUFFER_BINDING",34975:"VERTEX_ATTRIB_ARRAY_BUFFER_BINDING",35040:"STREAM_DRAW",35044:"STATIC_DRAW",35048:"DYNAMIC_DRAW",35632:"FRAGMENT_SHADER",35633:"VERTEX_SHADER",35660:"MAX_VERTEX_TEXTURE_IMAGE_UNITS",35661:"MAX_COMBINED_TEXTURE_IMAGE_UNITS",35663:"SHADER_TYPE",35664:"FLOAT_VEC2",35665:"FLOAT_VEC3",35666:"FLOAT_VEC4",35667:"INT_VEC2",35668:"INT_VEC3",35669:"INT_VEC4",35670:"BOOL",35671:"BOOL_VEC2",35672:"BOOL_VEC3",35673:"BOOL_VEC4",35674:"FLOAT_MAT2",35675:"FLOAT_MAT3",35676:"FLOAT_MAT4",35678:"SAMPLER_2D",35680:"SAMPLER_CUBE",35712:"DELETE_STATUS",35713:"COMPILE_STATUS",35714:"LINK_STATUS",35715:"VALIDATE_STATUS",35716:"INFO_LOG_LENGTH",35717:"ATTACHED_SHADERS",35718:"ACTIVE_UNIFORMS",35719:"ACTIVE_UNIFORM_MAX_LENGTH",35720:"SHADER_SOURCE_LENGTH",35721:"ACTIVE_ATTRIBUTES",35722:"ACTIVE_ATTRIBUTE_MAX_LENGTH",35724:"SHADING_LANGUAGE_VERSION",35725:"CURRENT_PROGRAM",36003:"STENCIL_BACK_REF",36004:"STENCIL_BACK_VALUE_MASK",36005:"STENCIL_BACK_WRITEMASK",36006:"FRAMEBUFFER_BINDING",36007:"RENDERBUFFER_BINDING",36048:"FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE",36049:"FRAMEBUFFER_ATTACHMENT_OBJECT_NAME",36050:"FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL",36051:"FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE",36053:"FRAMEBUFFER_COMPLETE",36054:"FRAMEBUFFER_INCOMPLETE_ATTACHMENT",36055:"FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT",36057:"FRAMEBUFFER_INCOMPLETE_DIMENSIONS",36061:"FRAMEBUFFER_UNSUPPORTED",36064:"COLOR_ATTACHMENT0",36096:"DEPTH_ATTACHMENT",36128:"STENCIL_ATTACHMENT",36160:"FRAMEBUFFER",36161:"RENDERBUFFER",36162:"RENDERBUFFER_WIDTH",36163:"RENDERBUFFER_HEIGHT",36164:"RENDERBUFFER_INTERNAL_FORMAT",36168:"STENCIL_INDEX8",36176:"RENDERBUFFER_RED_SIZE",36177:"RENDERBUFFER_GREEN_SIZE",36178:"RENDERBUFFER_BLUE_SIZE",36179:"RENDERBUFFER_ALPHA_SIZE",36180:"RENDERBUFFER_DEPTH_SIZE",36181:"RENDERBUFFER_STENCIL_SIZE",36194:"RGB565",36336:"LOW_FLOAT",36337:"MEDIUM_FLOAT",36338:"HIGH_FLOAT",36339:"LOW_INT",36340:"MEDIUM_INT",36341:"HIGH_INT",36346:"SHADER_COMPILER",36347:"MAX_VERTEX_UNIFORM_VECTORS",36348:"MAX_VARYING_VECTORS",36349:"MAX_FRAGMENT_UNIFORM_VECTORS",37440:"UNPACK_FLIP_Y_WEBGL",37441:"UNPACK_PREMULTIPLY_ALPHA_WEBGL",37442:"CONTEXT_LOST_WEBGL",37443:"UNPACK_COLORSPACE_CONVERSION_WEBGL",37444:"BROWSER_DEFAULT_WEBGL"}},{}],167:[function(t,e,r){var n=t("./1.0/numbers");e.exports=function(t){return n[t]}},{"./1.0/numbers":166}],168:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.shader=n,this.buffer=e,this.vao=r,this.pixelRatio=1,this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.lineWidth=[1,1,1],this.capSize=[10,10,10],this.lineCount=[0,0,0],this.lineOffset=[0,0,0],this.opacity=1}function i(t,e){for(var r=0;r<3;++r)t[0][r]=Math.min(t[0][r],e[r]),t[1][r]=Math.max(t[1][r],e[r])}function a(t,e,r,n){for(var i=f[n],a=0;a=1},u.isTransparent=function(){return this.opacity<1},u.drawTransparent=u.draw=function(t){var e=this.gl,r=this.shader.uniforms;this.shader.bind();var n=r.view=t.view||c,i=r.projection=t.projection||c;r.model=t.model||c,r.clipBounds=this.clipBounds,r.opacity=this.opacity;var a=n[12],o=n[13],s=n[14],l=n[15],u=this.pixelRatio*(i[3]*a+i[7]*o+i[11]*s+i[15]*l)/e.drawingBufferHeight;this.vao.bind();for(var f=0;f<3;++f)e.lineWidth(this.lineWidth[f]),r.capSize=this.capSize[f]*u,this.lineCount[f]&&e.drawArrays(e.LINES,this.lineOffset[f],this.lineCount[f]);this.vao.unbind()};var f=function(){for(var t=new Array(3),e=0;e<3;++e){for(var r=[],n=1;n<=2;++n)for(var i=-1;i<=1;i+=2){var a=[0,0,0];a[(n+e)%3]=i,r.push(a)}t[e]=r}return t}();u.update=function(t){"lineWidth"in(t=t||{})&&(this.lineWidth=t.lineWidth,Array.isArray(this.lineWidth)||(this.lineWidth=[this.lineWidth,this.lineWidth,this.lineWidth])),"capSize"in t&&(this.capSize=t.capSize,Array.isArray(this.capSize)||(this.capSize=[this.capSize,this.capSize,this.capSize])),"opacity"in t&&(this.opacity=t.opacity);var e=t.color||[[0,0,0],[0,0,0],[0,0,0]],r=t.position,n=t.error;if(Array.isArray(e[0])||(e=[e,e,e]),r&&n){var o=[],s=r.length,l=0;this.bounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.lineCount=[0,0,0];for(var c=0;c<3;++c){this.lineOffset[c]=l;t:for(var u=0;u0){var m;(m=f.slice())[c]+=d[1][c],o.push(f[0],f[1],f[2],p[0],p[1],p[2],p[3],0,0,0,m[0],m[1],m[2],p[0],p[1],p[2],p[3],0,0,0),i(this.bounds,m),l+=2+a(o,m,p,c)}}}this.lineCount[c]=l-this.lineOffset[c]}this.buffer.update(o)}},u.dispose=function(){this.shader.dispose(),this.buffer.dispose(),this.vao.dispose()}},{"./shaders/index":170,"gl-buffer":165,"gl-vao":259}],169:[function(t,e,r){e.exports=function(t){"string"==typeof t&&(t=[t]);for(var e=[].slice.call(arguments,1),r=[],n=0;n1&&h.drawBuffersWEBGL(m[f]);var y=r.getExtension("WEBGL_depth_texture");y?d?t.depth=o(r,c,u,y.UNSIGNED_INT_24_8_WEBGL,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p&&(t.depth=o(r,c,u,r.UNSIGNED_SHORT,r.DEPTH_COMPONENT,r.DEPTH_ATTACHMENT)):p&&d?t._depth_rb=s(r,c,u,r.DEPTH_STENCIL,r.DEPTH_STENCIL_ATTACHMENT):p?t._depth_rb=s(r,c,u,r.DEPTH_COMPONENT16,r.DEPTH_ATTACHMENT):d&&(t._depth_rb=s(r,c,u,r.STENCIL_INDEX,r.STENCIL_ATTACHMENT));var x=r.checkFramebufferStatus(r.FRAMEBUFFER);if(x!==r.FRAMEBUFFER_COMPLETE){for(t._destroyed=!0,r.bindFramebuffer(r.FRAMEBUFFER,null),r.deleteFramebuffer(t.handle),t.handle=null,t.depth&&(t.depth.dispose(),t.depth=null),t._depth_rb&&(r.deleteRenderbuffer(t._depth_rb),t._depth_rb=null),v=0;vs||r<0||r>s)throw new Error("gl-fbo: Can't resize FBO, invalid dimensions");t._shape[0]=e,t._shape[1]=r;for(var l=n(o),c=0;ca||r<0||r>a)throw new Error("gl-fbo: Parameters are too large for FBO");var o=1;if("color"in(n=n||{})){if((o=Math.max(0|n.color,0))<0)throw new Error("gl-fbo: Must specify a nonnegative number of colors");if(o>1){if(!i)throw new Error("gl-fbo: Multiple draw buffer extension not supported");if(o>t.getParameter(i.MAX_COLOR_ATTACHMENTS_WEBGL))throw new Error("gl-fbo: Context does not support "+o+" draw buffers")}}var s=t.UNSIGNED_BYTE,c=t.getExtension("OES_texture_float");if(n.float&&o>0){if(!c)throw new Error("gl-fbo: Context does not support floating point textures");s=t.FLOAT}else n.preferFloat&&o>0&&c&&(s=t.FLOAT);var u=!0;"depth"in n&&(u=!!n.depth);var g=!1;return"stencil"in n&&(g=!!n.stencil),new l(t,e,r,s,o,u,g,i)};var f,h,d,p,m=null,g=l.prototype;Object.defineProperties(g,{shape:{get:function(){return this._destroyed?[0,0]:this._shapeVector},set:function(t){if(Array.isArray(t)||(t=[0|t,0|t]),2!==t.length)throw new Error("gl-fbo: Shape vector must be length 2");var e=0|t[0],r=0|t[1];return c(this,e,r),[e,r]},enumerable:!1},width:{get:function(){return this._destroyed?0:this._shape[0]},set:function(t){return t|=0,c(this,t,this._shape[1]),t},enumerable:!1},height:{get:function(){return this._destroyed?0:this._shape[1]},set:function(t){return t|=0,c(this,this._shape[0],t),t},enumerable:!1}}),g.bind=function(){if(!this._destroyed){var t=this.gl;t.bindFramebuffer(t.FRAMEBUFFER,this.handle),t.viewport(0,0,this._shape[0],this._shape[1])}},g.dispose=function(){if(!this._destroyed){this._destroyed=!0;var t=this.gl;t.deleteFramebuffer(this.handle),this.handle=null,this.depth&&(this.depth.dispose(),this.depth=null),this._depth_rb&&(t.deleteRenderbuffer(this._depth_rb),this._depth_rb=null);for(var e=0;e>8*d&255;this.pickOffset=r,i.bind();var p=i.uniforms;p.viewTransform=t,p.pickOffset=e,p.shape=this.shape;var m=i.attributes;return this.positionBuffer.bind(),m.position.pointer(),this.weightBuffer.bind(),m.weight.pointer(s.UNSIGNED_BYTE,!1),this.idBuffer.bind(),m.pickId.pointer(s.UNSIGNED_BYTE,!1),s.drawArrays(s.TRIANGLES,0,o),r+this.shape[0]*this.shape[1]}}}(),u.pick=function(t,e,r){var n=this.pickOffset,i=this.shape[0]*this.shape[1];if(r=n+i)return null;var a=r-n,o=this.xData,s=this.yData;return{object:this,pointId:a,dataCoord:[o[a%this.shape[0]],s[a/this.shape[0]|0]]}},u.update=function(t){var e=(t=t||{}).shape||[0,0],r=t.x||a(e[0]),n=t.y||a(e[1]),s=t.z||new Float32Array(e[0]*e[1]);this.xData=r,this.yData=n;var l=t.colorLevels||[0],c=t.colorValues||[0,0,0,1],u=l.length,h=this.bounds,d=h[0]=r[0],p=h[1]=n[0],m=1/((h[2]=r[r.length-1])-d),g=1/((h[3]=n[n.length-1])-p),v=e[0],y=e[1];this.shape=[v,y];var x=(v-1)*(y-1)*(f.length>>>1);this.numVertices=x;for(var b=o.mallocUint8(4*x),_=o.mallocFloat32(2*x),w=o.mallocUint8(2*x),M=o.mallocUint32(x),k=0,A=0;A FLOAT_MAX) {\n return vec4(127.0, 128.0, 0.0, 0.0) / 255.0;\n } else if(v < -FLOAT_MAX) {\n return vec4(255.0, 128.0, 0.0, 0.0) / 255.0;\n }\n\n highp vec4 c = vec4(0,0,0,0);\n\n //Compute exponent and mantissa\n highp float e = floor(log2(av));\n highp float m = av * pow(2.0, -e) - 1.0;\n \n //Unpack mantissa\n c[1] = floor(128.0 * m);\n m -= c[1] / 128.0;\n c[2] = floor(32768.0 * m);\n m -= c[2] / 32768.0;\n c[3] = floor(8388608.0 * m);\n \n //Unpack exponent\n highp float ebias = e + 127.0;\n c[0] = floor(ebias / 2.0);\n ebias -= c[0] * 2.0;\n c[1] += floor(ebias) * 128.0; \n\n //Unpack sign bit\n c[0] += 128.0 * step(0.0, -v);\n\n //Scale back to range\n return c / 255.0;\n}\n\n\n\nuniform float pickId;\nuniform vec3 clipBounds[2];\n\nvarying vec3 worldPosition;\nvarying float pixelArcLength;\nvarying vec4 fragColor;\n\nvoid main() {\n if(any(lessThan(worldPosition, clipBounds[0])) || any(greaterThan(worldPosition, clipBounds[1]))) {\n discard;\n }\n gl_FragColor = vec4(pickId/255.0, encode_float_1_0(pixelArcLength).xyz);\n}",null,a)}},{"gl-shader":243}],177:[function(t,e,r){"use strict";function n(t,e){for(var r=0,n=0;n<3;++n){var i=t[n]-e[n];r+=i*i}return Math.sqrt(r)}function i(t){for(var e=[[-1e6,-1e6,-1e6],[1e6,1e6,1e6]],r=0;r<3;++r)e[0][r]=Math.max(t[0][r],e[0][r]),e[1][r]=Math.min(t[1][r],e[1][r]);return e}function a(t,e,r,n){this.arcLength=t,this.position=e,this.index=r,this.dataCoordinate=n}function o(t,e,r,n,i,a){this.gl=t,this.shader=e,this.pickShader=r,this.buffer=n,this.vao=i,this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.points=[],this.arcLength=[],this.vertexCount=0,this.bounds=[[0,0,0],[0,0,0]],this.pickId=0,this.lineWidth=1,this.texture=a,this.dashScale=1,this.opacity=1,this.dirty=!0,this.pixelRatio=1}e.exports=function(t){var e=t.gl||t.scene&&t.scene.gl,r=p(e);r.attributes.position.location=0,r.attributes.nextPosition.location=1,r.attributes.arcLength.location=2,r.attributes.lineWidth.location=3,r.attributes.color.location=4;var n=m(e);n.attributes.position.location=0,n.attributes.nextPosition.location=1,n.attributes.arcLength.location=2,n.attributes.lineWidth.location=3,n.attributes.color.location=4;for(var i=s(e),a=l(e,[{buffer:i,size:3,offset:0,stride:48},{buffer:i,size:3,offset:12,stride:48},{buffer:i,size:1,offset:24,stride:48},{buffer:i,size:1,offset:28,stride:48},{buffer:i,size:4,offset:32,stride:48}]),u=h(new 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e=this.gl,r=this.pickShader,n=this.vao;r.bind(),r.uniforms={model:t.model||g,view:t.view||g,projection:t.projection||g,pickId:this.pickId,clipBounds:i(this.clipBounds),screenShape:[e.drawingBufferWidth,e.drawingBufferHeight],pixelRatio:this.pixelRatio},n.bind(),n.draw(e.TRIANGLE_STRIP,this.vertexCount)},v.update=function(t){var e,r;this.dirty=!0;var i=!!t.connectGaps;"dashScale"in t&&(this.dashScale=t.dashScale),"opacity"in t&&(this.opacity=+t.opacity);var a=t.position||t.positions;if(a){var o=t.color||t.colors||[0,0,0,1],s=t.lineWidth||1,l=[],c=[],u=[],d=0,p=0,m=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],g=!1;t:for(e=1;e0){for(var x=0;x<24;++x)l.push(l[l.length-12]);p+=2,g=!0}continue t}m[0][r]=Math.min(m[0][r],v[r],y[r]),m[1][r]=Math.max(m[1][r],v[r],y[r])}var b,_;Array.isArray(o[0])?(b=o[e-1],_=o[e]):b=_=o,3===b.length&&(b=[b[0],b[1],b[2],1]),3===_.length&&(_=[_[0],_[1],_[2],1]);var w;w=Array.isArray(s)?s[e-1]:s;var 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i=t("gl-shader"),a=t("gl-buffer"),o=t("gl-vao"),s=t("gl-texture2d"),l=t("normals"),c=t("gl-mat4/multiply"),u=t("gl-mat4/invert"),f=t("ndarray"),h=t("colormap"),d=t("simplicial-complex-contour"),p=t("typedarray-pool"),m=t("./lib/shaders"),g=t("./lib/closest-point"),v=m.meshShader,y=m.wireShader,x=m.pointShader,b=m.pickShader,_=m.pointPickShader,w=m.contourShader,M=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],k=n.prototype;k.isOpaque=function(){return this.opacity>=1},k.isTransparent=function(){return this.opacity<1},k.pickSlots=1,k.setPickBase=function(t){this.pickId=t},k.highlight=function(t){if(t&&this.contourEnable){for(var 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e=t.value[0]+256*t.value[1]+65536*t.value[2],r=this.cells[e],n=this.positions,i=new Array(r.length),a=0;al[k]&&(a.uniforms.dataAxis=t,a.uniforms.screenOffset=e,a.uniforms.color=g[n],a.uniforms.angle=v[n],c.drawArrays(c.TRIANGLES,l[k],l[A]-l[k]))),y[n]&&M&&(e[1^n]-=T*d*x[n],a.uniforms.dataAxis=r,a.uniforms.screenOffset=e,a.uniforms.color=b[n],a.uniforms.angle=_[n],c.drawArrays(c.TRIANGLES,w,M)),e[1^n]=T*u[2+(1^n)]-1,p[n+2]&&(e[1^n]+=T*d*m[n+2],kl[k]&&(a.uniforms.dataAxis=t,a.uniforms.screenOffset=e,a.uniforms.color=g[n+2],a.uniforms.angle=v[n+2],c.drawArrays(c.TRIANGLES,l[k],l[A]-l[k]))),y[n+2]&&M&&(e[1^n]+=T*d*x[n+2],a.uniforms.dataAxis=r,a.uniforms.screenOffset=e,a.uniforms.color=b[n+2],a.uniforms.angle=_[n+2],c.drawArrays(c.TRIANGLES,w,M))}}(),c.drawTitle=function(){var t=[0,0],e=[0,0];return function(){var r=this.plot,n=this.shader,i=r.gl,a=r.screenBox,o=r.titleCenter,s=r.titleAngle,l=r.titleColor,c=r.pixelRatio;if(this.titleCount){for(var 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f=t("gl-buffer"),h=t("gl-vao"),d=t("typedarray-pool"),p=t("gl-mat4/multiply"),m=t("./lib/shaders"),g=t("./lib/glyphs"),v=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];e.exports=function(t){var e=t.gl,r=m.createPerspective(e),n=m.createOrtho(e),i=m.createProject(e),o=m.createPickPerspective(e),s=m.createPickOrtho(e),l=m.createPickProject(e),c=f(e),u=f(e),d=f(e),p=f(e),g=new a(e,r,n,i,c,u,d,p,h(e,[{buffer:c,size:3,type:e.FLOAT},{buffer:u,size:4,type:e.FLOAT},{buffer:d,size:2,type:e.FLOAT},{buffer:p,size:4,type:e.UNSIGNED_BYTE,normalized:!0}]),o,s,l);return g.update(t),g};var y=a.prototype;y.pickSlots=1,y.setPickBase=function(t){this.pickId=t},y.isTransparent=function(){if(this.opacity<1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]<1)return!0;return!1},y.isOpaque=function(){if(this.opacity>=1)return!0;for(var t=0;t<3;++t)if(this.axesProject[t]&&this.projectOpacity[t]>=1)return!0;return!1};var x=[0,0],b=[0,0,0],_=[0,0,0],w=[0,0,0,1],M=[0,0,0,1],k=v.slice(),A=[0,0,0],T=[[0,0,0],[0,0,0]],S=[[-1e8,-1e8,-1e8],[1e8,1e8,1e8]];y.draw=function(t){u(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!1,!1)},y.drawTransparent=function(t){u(this.useOrtho?this.orthoShader:this.shader,this.projectShader,this,t,!0,!1)},y.drawPick=function(t){u(this.useOrtho?this.pickOrthoShader:this.pickPerspectiveShader,this.pickProjectShader,this,t,!1,!0)},y.pick=function(t){if(!t)return null;if(t.id!==this.pickId)return null;var e=t.value[2]+(t.value[1]<<8)+(t.value[0]<<16);if(e>=this.pointCount||e<0)return null;var r=this.points[e],n=this._selectResult;n.index=e;for(var i=0;i<3;++i)n.position[i]=n.dataCoordinate[i]=r[i];return n},y.highlight=function(t){if(t){var e=t.index,r=255&e,n=e>>8&255,i=e>>16&255;this.highlightId=[r/255,n/255,i/255,0]}else this.highlightId=[1,1,1,1]},y.update=function(t){if("perspective"in(t=t||{})&&(this.useOrtho=!t.perspective),"orthographic"in t&&(this.useOrtho=!!t.orthographic),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"project"in t)if(Array.isArray(t.project))this.axesProject=t.project;else{var e=!!t.project;this.axesProject=[e,e,e]}if("projectScale"in t)if(Array.isArray(t.projectScale))this.projectScale=t.projectScale.slice();else{var r=+t.projectScale;this.projectScale=[r,r,r]}if("projectOpacity"in t)if(Array.isArray(t.projectOpacity))this.projectOpacity=t.projectOpacity.slice();else{r=+t.projectOpacity;this.projectOpacity=[r,r,r]}"opacity"in t&&(this.opacity=t.opacity),this.dirty=!0;var n=t.position;if(n){var i=t.font||"normal",a=t.alignment||[0,0],o=[1/0,1/0,1/0],s=[-1/0,-1/0,-1/0],l=t.glyph,c=t.color,u=t.size,f=t.angle,h=t.lineColor,p=0,m=0,v=0,y=n.length;t:for(var x=0;x0&&(C[0]=-a[0]*(1+k[0][0]));var q=w.cells,H=w.positions;for(_=0;_0){var v=r*u;o.drawBox(f-v,h-v,d+v,h+v,a),o.drawBox(f-v,p-v,d+v,p+v,a),o.drawBox(f-v,h-v,f+v,p+v,a),o.drawBox(d-v,h-v,d+v,p+v,a)}}}},s.update=function(t){t=t||{},this.innerFill=!!t.innerFill,this.outerFill=!!t.outerFill,this.innerColor=(t.innerColor||[0,0,0,.5]).slice(),this.outerColor=(t.outerColor||[0,0,0,.5]).slice(),this.borderColor=(t.borderColor||[0,0,0,1]).slice(),this.borderWidth=t.borderWidth||0,this.selectBox=(t.selectBox||this.selectBox).slice()},s.dispose=function(){this.boxBuffer.dispose(),this.boxShader.dispose(),this.plot.removeOverlay(this)}},{"./lib/shaders":240,"gl-buffer":165,"gl-shader":243}],242:[function(t,e,r){"use strict";function n(t,e,r){this.gl=t,this.fbo=e,this.buffer=r,this._readTimeout=null;var n=this;this._readCallback=function(){n.gl&&(e.bind(),t.readPixels(0,0,e.shape[0],e.shape[1],t.RGBA,t.UNSIGNED_BYTE,n.buffer),n._readTimeout=null)}}e.exports=function(t,e){return new n(t,i(t,e),a.mallocUint8(e[0]*e[1]*4))};var i=t("gl-fbo"),a=t("typedarray-pool"),o=t("ndarray"),s=t("bit-twiddle").nextPow2,l=t("cwise/lib/wrapper")({args:["array",{offset:[0,0,1],array:0},{offset:[0,0,2],array:0},{offset:[0,0,3],array:0},"scalar","scalar","index"],pre:{body:"{this_closestD2=1e8,this_closestX=-1,this_closestY=-1}",args:[],thisVars:["this_closestD2","this_closestX","this_closestY"],localVars:[]},body:{body:"{if(_inline_46_arg0_<255||_inline_46_arg1_<255||_inline_46_arg2_<255||_inline_46_arg3_<255){var _inline_46_l=_inline_46_arg4_-_inline_46_arg6_[0],_inline_46_a=_inline_46_arg5_-_inline_46_arg6_[1],_inline_46_f=_inline_46_l*_inline_46_l+_inline_46_a*_inline_46_a;_inline_46_fthis.buffer.length){a.free(this.buffer);for(var n=this.buffer=a.mallocUint8(s(r*e*4)),i=0;i=0){for(var k=0|M.type.charAt(M.type.length-1),A=new Array(k),T=0;T=0;)S+=1;_[w]=S}var E=new Array(r.length);f(),d._relink=f,d.types={uniforms:s(r),attributes:s(n)},d.attributes=o(p,d,x,_),Object.defineProperty(d,"uniforms",a(p,d,r,E))},e.exports=function(t,e,r,i,a){var o=new n(t);return o.update(e,r,i,a),o}},{"./lib/GLError":244,"./lib/create-attributes":245,"./lib/create-uniforms":246,"./lib/reflect":247,"./lib/runtime-reflect":248,"./lib/shader-cache":249}],244:[function(t,e,r){arguments[4][218][0].apply(r,arguments)},{dup:218}],245:[function(t,e,r){arguments[4][219][0].apply(r,arguments)},{"./GLError":244,dup:219}],246:[function(t,e,r){arguments[4][220][0].apply(r,arguments)},{"./GLError":244,"./reflect":247,dup:220}],247:[function(t,e,r){arguments[4][221][0].apply(r,arguments)},{dup:221}],248:[function(t,e,r){arguments[4][222][0].apply(r,arguments)},{dup:222}],249:[function(t,e,r){arguments[4][223][0].apply(r,arguments)},{"./GLError":244,dup:223,"gl-format-compiler-error":172,"weakmap-shim":576}],250:[function(t,e,r){"use strict";function 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l=s[0]+(n[0]-o[0])/(o[2]-o[0])*(s[2]-s[0]),c=s[1]+(n[1]-o[1])/(o[3]-o[1])*(s[3]-s[1]);t[0]&&a.drawLine(l,c,s[0],c,e[0],r[0]),t[1]&&a.drawLine(l,c,l,s[1],e[1],r[1]),t[2]&&a.drawLine(l,c,s[2],c,e[2],r[2]),t[3]&&a.drawLine(l,c,l,s[3],e[3],r[3])}},i.dispose=function(){this.plot.removeOverlay(this)}},{}],251:[function(t,e,r){"use strict";var n=t("gl-shader");e.exports=function(t){return n(t,"precision mediump float;\n#define GLSLIFY 1\n\nattribute vec3 position, color;\nattribute float weight;\n\nuniform mat4 model, view, projection;\nuniform vec3 coordinates[3];\nuniform vec4 colors[3];\nuniform vec2 screenShape;\nuniform float lineWidth;\n\nvarying vec4 fragColor;\n\nvoid main() {\n vec3 vertexPosition = mix(coordinates[0],\n mix(coordinates[2], coordinates[1], 0.5 * (position + 1.0)), abs(position));\n\n vec4 clipPos = projection * view * model * vec4(vertexPosition, 1.0);\n vec2 clipOffset = (projection * view * model * vec4(color, 0.0)).xy;\n vec2 delta = weight * clipOffset * screenShape;\n vec2 lineOffset = normalize(vec2(delta.y, -delta.x)) / screenShape;\n\n gl_Position = vec4(clipPos.xy + clipPos.w * 0.5 * lineWidth * lineOffset, clipPos.z, clipPos.w);\n fragColor = color.x * colors[0] + color.y * colors[1] + color.z * colors[2];\n}\n","precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor;\n\nvoid main() {\n gl_FragColor = fragColor;\n}",null,[{name:"position",type:"vec3"},{name:"color",type:"vec3"},{name:"weight",type:"float"}])}},{"gl-shader":243}],252:[function(t,e,r){"use strict";function n(t,e,r,n){this.gl=t,this.buffer=e,this.vao=r,this.shader=n,this.pixelRatio=1,this.bounds=[[-1e3,-1e3,-1e3],[1e3,1e3,1e3]],this.position=[0,0,0],this.lineWidth=[2,2,2],this.colors=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.enabled=[!0,!0,!0],this.drawSides=[!0,!0,!0],this.axes=null}var i=t("gl-buffer"),a=t("gl-vao"),o=t("./shaders/index");e.exports=function(t,e){function r(t,e,r,n,i,a){var o=[t,e,r,0,0,0,1];o[n+3]=1,o[n]=i,s.push.apply(s,o),o[6]=-1,s.push.apply(s,o),o[n]=a,s.push.apply(s,o),s.push.apply(s,o),o[6]=1,s.push.apply(s,o),o[n]=i,s.push.apply(s,o)}var s=[];r(0,0,0,0,0,1),r(0,0,0,1,0,1),r(0,0,0,2,0,1),r(1,0,0,1,-1,1),r(1,0,0,2,-1,1),r(0,1,0,0,-1,1),r(0,1,0,2,-1,1),r(0,0,1,0,-1,1),r(0,0,1,1,-1,1);var l=i(t,s),c=a(t,[{type:t.FLOAT,buffer:l,size:3,offset:0,stride:28},{type:t.FLOAT,buffer:l,size:3,offset:12,stride:28},{type:t.FLOAT,buffer:l,size:1,offset:24,stride:28}]),u=o(t);u.attributes.position.location=0,u.attributes.color.location=1,u.attributes.weight.location=2;var f=new n(t,l,c,u);return f.update(e),f};var s=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],l=n.prototype,c=[0,0,0],u=[0,0,0],f=[0,0];l.isTransparent=function(){return!1},l.drawTransparent=function(t){},l.draw=function(t){var e=this.gl,r=this.vao,n=this.shader;r.bind(),n.bind();var i,a=t.model||s,o=t.view||s,l=t.projection||s;this.axes&&(i=this.axes.lastCubeProps.axis);for(var h=c,d=u,p=0;p<3;++p)i&&i[p]<0?(h[p]=this.bounds[0][p],d[p]=this.bounds[1][p]):(h[p]=this.bounds[1][p],d[p]=this.bounds[0][p]);f[0]=e.drawingBufferWidth,f[1]=e.drawingBufferHeight,n.uniforms.model=a,n.uniforms.view=o,n.uniforms.projection=l,n.uniforms.coordinates=[this.position,h,d],n.uniforms.colors=this.colors,n.uniforms.screenShape=f;for(p=0;p<3;++p)n.uniforms.lineWidth=this.lineWidth[p]*this.pixelRatio,this.enabled[p]&&(r.draw(e.TRIANGLES,6,6*p),this.drawSides[p]&&r.draw(e.TRIANGLES,12,18+12*p));r.unbind()},l.update=function(t){t&&("bounds"in t&&(this.bounds=t.bounds),"position"in t&&(this.position=t.position),"lineWidth"in t&&(this.lineWidth=t.lineWidth),"colors"in t&&(this.colors=t.colors),"enabled"in t&&(this.enabled=t.enabled),"drawSides"in t&&(this.drawSides=t.drawSides))},l.dispose=function(){this.vao.dispose(),this.buffer.dispose(),this.shader.dispose()}},{"./shaders/index":251,"gl-buffer":165,"gl-vao":259}],253:[function(t,e,r){var n=t("gl-shader"),i="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute vec3 f;\nattribute vec3 normal;\n\nuniform mat4 model, view, projection, inverseModel;\nuniform vec3 lightPosition, eyePosition;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n worldCoordinate = vec3(uv.zw, f.x);\n vec4 worldPosition = model * vec4(worldCoordinate, 1.0);\n vec4 clipPosition = projection * view * worldPosition;\n gl_Position = clipPosition;\n kill = f.y;\n value = f.z;\n planeCoordinate = uv.xy;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Lighting geometry parameters\n vec4 cameraCoordinate = view * worldPosition;\n cameraCoordinate.xyz /= cameraCoordinate.w;\n lightDirection = lightPosition - cameraCoordinate.xyz;\n eyeDirection = eyePosition - cameraCoordinate.xyz;\n surfaceNormal = normalize((vec4(normal,0) * inverseModel).xyz);\n}\n",a="precision mediump float;\n#define GLSLIFY 1\n\nfloat beckmannDistribution_2_0(float x, float roughness) {\n float NdotH = max(x, 0.0001);\n float cos2Alpha = NdotH * NdotH;\n float tan2Alpha = (cos2Alpha - 1.0) / cos2Alpha;\n float roughness2 = roughness * roughness;\n float denom = 3.141592653589793 * roughness2 * cos2Alpha * cos2Alpha;\n return exp(tan2Alpha / roughness2) / denom;\n}\n\n\n\nfloat beckmannSpecular_1_1(\n vec3 lightDirection,\n vec3 viewDirection,\n vec3 surfaceNormal,\n float roughness) {\n return beckmannDistribution_2_0(dot(surfaceNormal, normalize(lightDirection + viewDirection)), roughness);\n}\n\n\n\nuniform vec3 lowerBound, upperBound;\nuniform float contourTint;\nuniform vec4 contourColor;\nuniform sampler2D colormap;\nuniform vec3 clipBounds[2];\nuniform float roughness, fresnel, kambient, kdiffuse, kspecular, opacity;\nuniform float vertexColor;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n if (kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n\n vec3 N = normalize(surfaceNormal);\n vec3 V = normalize(eyeDirection);\n vec3 L = normalize(lightDirection);\n\n if(gl_FrontFacing) {\n N = -N;\n }\n\n float specular = max(beckmannSpecular_1_1(L, V, N, roughness), 0.);\n float diffuse = min(kambient + kdiffuse * max(dot(N, L), 0.0), 1.0);\n\n //decide how to interpolate color \u2014 in vertex or in fragment\n vec4 surfaceColor = step(vertexColor, .5) * texture2D(colormap, vec2(value, value)) + step(.5, vertexColor) * vColor;\n\n vec4 litColor = surfaceColor.a * vec4(diffuse * surfaceColor.rgb + kspecular * vec3(1,1,1) * specular, 1.0);\n\n gl_FragColor = mix(litColor, contourColor, contourTint) * opacity;\n}\n",o="precision mediump float;\n#define GLSLIFY 1\n\nattribute vec4 uv;\nattribute float f;\n\nuniform mat3 permutation;\nuniform mat4 model, view, projection;\nuniform float height, zOffset;\nuniform sampler2D colormap;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 lightDirection, eyeDirection, surfaceNormal;\nvarying vec4 vColor;\n\nvoid main() {\n vec3 dataCoordinate = permutation * vec3(uv.xy, height);\n vec4 worldPosition = model * vec4(dataCoordinate, 1.0);\n\n vec4 clipPosition = projection * view * worldPosition;\n clipPosition.z = clipPosition.z + zOffset;\n\n gl_Position = clipPosition;\n value = f;\n kill = -1.0;\n worldCoordinate = dataCoordinate;\n planeCoordinate = uv.zw;\n\n vColor = texture2D(colormap, vec2(value, value));\n\n //Don't do lighting for contours\n surfaceNormal = vec3(1,0,0);\n eyeDirection = vec3(0,1,0);\n lightDirection = vec3(0,0,1);\n}\n",s="precision mediump float;\n#define GLSLIFY 1\n\nuniform vec2 shape;\nuniform vec3 clipBounds[2];\nuniform float pickId;\n\nvarying float value, kill;\nvarying vec3 worldCoordinate;\nvarying vec2 planeCoordinate;\nvarying vec3 surfaceNormal;\n\nvec2 splitFloat(float v) {\n float vh = 255.0 * v;\n float upper = floor(vh);\n float lower = fract(vh);\n return vec2(upper / 255.0, floor(lower * 16.0) / 16.0);\n}\n\nvoid main() {\n if(kill > 0.0 ||\n any(lessThan(worldCoordinate, clipBounds[0])) || any(greaterThan(worldCoordinate, clipBounds[1]))) {\n discard;\n }\n vec2 ux = splitFloat(planeCoordinate.x / shape.x);\n vec2 uy = splitFloat(planeCoordinate.y / shape.y);\n gl_FragColor = vec4(pickId, ux.x, uy.x, ux.y + (uy.y/16.0));\n}\n";r.createShader=function(t){var e=n(t,i,a,null,[{name:"uv",type:"vec4"},{name:"f",type:"vec3"},{name:"normal",type:"vec3"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e.attributes.normal.location=2,e},r.createPickShader=function(t){var e=n(t,i,s,null,[{name:"uv",type:"vec4"},{name:"f",type:"vec3"},{name:"normal",type:"vec3"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e.attributes.normal.location=2,e},r.createContourShader=function(t){var e=n(t,o,a,null,[{name:"uv",type:"vec4"},{name:"f",type:"float"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e},r.createPickContourShader=function(t){var e=n(t,o,s,null,[{name:"uv",type:"vec4"},{name:"f",type:"float"}]);return e.attributes.uv.location=0,e.attributes.f.location=1,e}},{"gl-shader":243}],254:[function(t,e,r){"use strict";function n(t,e,r,n,i,a,o,s,l,c,u,f,h,d){this.gl=t,this.shape=e,this.bounds=r,this.intensityBounds=[],this._shader=n,this._pickShader=i,this._coordinateBuffer=a,this._vao=o,this._colorMap=s,this._contourShader=l,this._contourPickShader=c,this._contourBuffer=u,this._contourVAO=f,this._contourOffsets=[[],[],[]],this._contourCounts=[[],[],[]],this._vertexCount=0,this._pickResult=new function(t,e,r,n,i){this.position=t,this.index=e,this.uv=r,this.level=n,this.dataCoordinate=i}([0,0,0],[0,0],[0,0],[0,0,0],[0,0,0]),this._dynamicBuffer=h,this._dynamicVAO=d,this._dynamicOffsets=[0,0,0],this._dynamicCounts=[0,0,0],this.contourWidth=[1,1,1],this.contourLevels=[[1],[1],[1]],this.contourTint=[0,0,0],this.contourColor=[[.5,.5,.5,1],[.5,.5,.5,1],[.5,.5,.5,1]],this.showContour=!0,this.showSurface=!0,this.enableHighlight=[!0,!0,!0],this.highlightColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.highlightTint=[1,1,1],this.highlightLevel=[-1,-1,-1],this.enableDynamic=[!0,!0,!0],this.dynamicLevel=[NaN,NaN,NaN],this.dynamicColor=[[0,0,0,1],[0,0,0,1],[0,0,0,1]],this.dynamicTint=[1,1,1],this.dynamicWidth=[1,1,1],this.axesBounds=[[1/0,1/0,1/0],[-1/0,-1/0,-1/0]],this.surfaceProject=[!1,!1,!1],this.contourProject=[[!1,!1,!1],[!1,!1,!1],[!1,!1,!1]],this.colorBounds=[!1,!1],this._field=[y(p.mallocFloat(1024),[0,0]),y(p.mallocFloat(1024),[0,0]),y(p.mallocFloat(1024),[0,0])],this.pickId=1,this.clipBounds=[[-1/0,-1/0,-1/0],[1/0,1/0,1/0]],this.snapToData=!1,this.opacity=1,this.lightPosition=[10,1e4,0],this.ambientLight=.8,this.diffuseLight=.8,this.specularLight=2,this.roughness=.5,this.fresnel=1.5,this.vertexColor=0,this.dirty=!0}function i(t,e){var r,n,i,a=e.axes&&e.axes.lastCubeProps.axis||O,o=e.showSurface,s=e.showContour;for(r=0;r<3;++r)for(o=o||e.surfaceProject[r],n=0;n<3;++n)s=s||e.contourProject[r][n];for(r=0;r<3;++r){var l=F.projections[r];for(n=0;n<16;++n)l[n]=0;for(n=0;n<4;++n)l[5*n]=1;l[5*r]=0,l[12+r]=e.axesBounds[+(a[r]>0)][r],b(l,t.model,l);var c=F.clipBounds[r];for(i=0;i<2;++i)for(n=0;n<3;++n)c[i][n]=t.clipBounds[i][n];c[0][r]=-1e8,c[1][r]=1e8}return F.showSurface=o,F.showContour=s,F}function a(t,e){t=t||{};var r=this.gl;r.disable(r.CULL_FACE),this._colorMap.bind(0);var n=R;n.model=t.model||C,n.view=t.view||C,n.projection=t.projection||C,n.lowerBound=[this.bounds[0][0],this.bounds[0][1],this.colorBounds[0]||this.bounds[0][2]],n.upperBound=[this.bounds[1][0],this.bounds[1][1],this.colorBounds[1]||this.bounds[1][2]],n.contourColor=this.contourColor[0],n.inverseModel=_(n.inverseModel,n.model);for(var a=0;a<2;++a)for(var o=n.clipBounds[a],s=0;s<3;++s)o[s]=Math.min(Math.max(this.clipBounds[a][s],-1e8),1e8);n.kambient=this.ambientLight,n.kdiffuse=this.diffuseLight,n.kspecular=this.specularLight,n.roughness=this.roughness,n.fresnel=this.fresnel,n.opacity=this.opacity,n.height=0,n.permutation=j,n.vertexColor=this.vertexColor;var l=N;for(b(l,n.view,n.model),b(l,n.projection,l),_(l,l),a=0;a<3;++a)n.eyePosition[a]=l[12+a]/l[15];var c=l[15];for(a=0;a<3;++a)c+=this.lightPosition[a]*l[4*a+3];for(a=0;a<3;++a){var u=l[12+a];for(s=0;s<3;++s)u+=l[4*s+a]*this.lightPosition[s];n.lightPosition[a]=u/c}var f=i(n,this);if(f.showSurface&&e===this.opacity<1){for(this._shader.bind(),this._shader.uniforms=n,this._vao.bind(),this.showSurface&&this._vertexCount&&this._vao.draw(r.TRIANGLES,this._vertexCount),a=0;a<3;++a)this.surfaceProject[a]&&this.vertexCount&&(this._shader.uniforms.model=f.projections[a],this._shader.uniforms.clipBounds=f.clipBounds[a],this._vao.draw(r.TRIANGLES,this._vertexCount));this._vao.unbind()}if(f.showContour&&!e){var h=this._contourShader;n.kambient=1,n.kdiffuse=0,n.kspecular=0,n.opacity=1,h.bind(),h.uniforms=n;var d=this._contourVAO;for(d.bind(),a=0;a<3;++a)for(h.uniforms.permutation=D[a],r.lineWidth(this.contourWidth[a]),s=0;s=1)return!0;for(var t=0;t<3;++t)if(this._contourCounts[t].length>0||this._dynamicCounts[t]>0)return!0;return!1},P.pickSlots=1,P.setPickBase=function(t){this.pickId=t};var O=[0,0,0],F={showSurface:!1,showContour:!1,projections:[C.slice(),C.slice(),C.slice()],clipBounds:[[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]],[[0,0,0],[0,0,0]]]},R={model:C,view:C,projection:C,inverseModel:C.slice(),lowerBound:[0,0,0],upperBound:[0,0,0],colorMap:0,clipBounds:[[0,0,0],[0,0,0]],height:0,contourTint:0,contourColor:[0,0,0,1],permutation:[1,0,0,0,1,0,0,0,1],zOffset:-1e-4,kambient:1,kdiffuse:1,kspecular:1,lightPosition:[1e3,1e3,1e3],eyePosition:[0,0,0],roughness:1,fresnel:1,opacity:1,vertexColor:0},N=C.slice(),j=[1,0,0,0,1,0,0,0,1];P.draw=function(t){return a.call(this,t,!1)},P.drawTransparent=function(t){return a.call(this,t,!0)};var B={model:C,view:C,projection:C,inverseModel:C,clipBounds:[[0,0,0],[0,0,0]],height:0,shape:[0,0],pickId:0,lowerBound:[0,0,0],upperBound:[0,0,0],zOffset:0,permutation:[1,0,0,0,1,0,0,0,1],lightPosition:[0,0,0],eyePosition:[0,0,0]};P.drawPick=function(t){t=t||{};var e=this.gl;e.disable(e.CULL_FACE);var r=B;r.model=t.model||C,r.view=t.view||C,r.projection=t.projection||C,r.shape=this._field[2].shape,r.pickId=this.pickId/255,r.lowerBound=this.bounds[0],r.upperBound=this.bounds[1],r.permutation=j;for(var n=0;n<2;++n)for(var a=r.clipBounds[n],o=0;o<3;++o)a[o]=Math.min(Math.max(this.clipBounds[n][o],-1e8),1e8);var s=i(r,this);if(s.showSurface){for(this._pickShader.bind(),this._pickShader.uniforms=r,this._vao.bind(),this._vao.draw(e.TRIANGLES,this._vertexCount),n=0;n<3;++n)this.surfaceProject[n]&&(this._pickShader.uniforms.model=s.projections[n],this._pickShader.uniforms.clipBounds=s.clipBounds[n],this._vao.draw(e.TRIANGLES,this._vertexCount));this._vao.unbind()}if(s.showContour){var l=this._contourPickShader;l.bind(),l.uniforms=r;var c=this._contourVAO;for(c.bind(),o=0;o<3;++o)for(e.lineWidth(this.contourWidth[o]),l.uniforms.permutation=D[o],n=0;n>4)/16)/255,i=Math.floor(n),a=n-i,o=e[1]*(t.value[1]+(15&t.value[2])/16)/255,s=Math.floor(o),l=o-s;i+=1,s+=1;var c=r.position;c[0]=c[1]=c[2]=0;for(var u=0;u<2;++u)for(var f=u?a:1-a,h=0;h<2;++h)for(var d=i+u,p=s+h,m=f*(h?l:1-l),g=0;g<3;++g)c[g]+=this._field[g].get(d,p)*m;for(var v=this._pickResult.level,y=0;y<3;++y)if(v[y]=w.le(this.contourLevels[y],c[y]),v[y]<0)this.contourLevels[y].length>0&&(v[y]=0);else if(v[y]Math.abs(b-c[y])&&(v[y]+=1)}for(r.index[0]=a<.5?i:i+1,r.index[1]=l<.5?s:s+1,r.uv[0]=n/e[0],r.uv[1]=o/e[1],g=0;g<3;++g)r.dataCoordinate[g]=this._field[g].get(r.index[0],r.index[1]);return r},P.update=function(t){t=t||{},this.dirty=!0,"contourWidth"in t&&(this.contourWidth=s(t.contourWidth,Number)),"showContour"in t&&(this.showContour=s(t.showContour,Boolean)),"showSurface"in t&&(this.showSurface=!!t.showSurface),"contourTint"in t&&(this.contourTint=s(t.contourTint,Boolean)),"contourColor"in t&&(this.contourColor=c(t.contourColor)),"contourProject"in t&&(this.contourProject=s(t.contourProject,function(t){return s(t,Boolean)})),"surfaceProject"in t&&(this.surfaceProject=t.surfaceProject),"dynamicColor"in t&&(this.dynamicColor=c(t.dynamicColor)),"dynamicTint"in t&&(this.dynamicTint=s(t.dynamicTint,Number)),"dynamicWidth"in t&&(this.dynamicWidth=s(t.dynamicWidth,Number)),"opacity"in t&&(this.opacity=t.opacity),"colorBounds"in t&&(this.colorBounds=t.colorBounds),"vertexColor"in t&&(this.vertexColor=t.vertexColor?1:0);var e=t.field||t.coords&&t.coords[2]||null,r=!1;if(e||(e=this._field[2].shape[0]||this._field[2].shape[2]?this._field[2].lo(1,1).hi(this._field[2].shape[0]-2,this._field[2].shape[1]-2):this._field[2].hi(0,0)),"field"in t||"coords"in t){var n=(e.shape[0]+2)*(e.shape[1]+2);n>this._field[2].data.length&&(p.freeFloat(this._field[2].data),this._field[2].data=p.mallocFloat(u.nextPow2(n))),this._field[2]=y(this._field[2].data,[e.shape[0]+2,e.shape[1]+2]),o(this._field[2],e),this.shape=e.shape.slice();for(var i=this.shape,a=0;a<2;++a)this._field[2].size>this._field[a].data.length&&(p.freeFloat(this._field[a].data),this._field[a].data=p.mallocFloat(this._field[2].size)),this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2]);if(t.coords){var l=t.coords;if(!Array.isArray(l)||3!==l.length)throw new Error("gl-surface: invalid coordinates for x/y");for(a=0;a<2;++a){var f=l[a];for(w=0;w<2;++w)if(f.shape[w]!==i[w])throw new Error("gl-surface: coords have incorrect shape");o(this._field[a],f)}}else if(t.ticks){var h=t.ticks;if(!Array.isArray(h)||2!==h.length)throw new Error("gl-surface: invalid ticks");for(a=0;a<2;++a){var d=h[a];if((Array.isArray(d)||d.length)&&(d=y(d)),d.shape[0]!==i[a])throw new Error("gl-surface: invalid tick length");var b=y(d.data,i);b.stride[a]=d.stride[0],b.stride[1^a]=0,o(this._field[a],b)}}else{for(a=0;a<2;++a){var _=[0,0];_[a]=1,this._field[a]=y(this._field[a].data,[i[0]+2,i[1]+2],_,0)}this._field[0].set(0,0,0);for(var w=0;w0){for(var Mt=0;Mt<5;++Mt)nt.pop();Y-=1}continue 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l=o(n,e.stride.slice()),h=0;"float32"===r?h=t.FLOAT:"float64"===r?(h=t.FLOAT,l=!1,r="float32"):"uint8"===r?h=t.UNSIGNED_BYTE:(h=t.UNSIGNED_BYTE,l=!1,r="uint8");var d=0;if(2===n.length)d=t.LUMINANCE,n=[n[0],n[1],1],e=c(e.data,n,[e.stride[0],e.stride[1],1],e.offset);else{if(3!==n.length)throw new Error("gl-texture2d: Invalid shape for texture");if(1===n[2])d=t.ALPHA;else if(2===n[2])d=t.LUMINANCE_ALPHA;else if(3===n[2])d=t.RGB;else{if(4!==n[2])throw new Error("gl-texture2d: Invalid shape for pixel coords");d=t.RGBA}}h!==t.FLOAT||t.getExtension("OES_texture_float")||(h=t.UNSIGNED_BYTE,l=!1);var p,g,v=e.size;if(l)p=0===e.offset&&e.data.length===v?e.data:e.data.subarray(e.offset,e.offset+v);else{var y=[n[2],n[2]*n[0],1];g=f.malloc(v,r);var x=c(g,n,y,0);"float32"!==r&&"float64"!==r||h!==t.UNSIGNED_BYTE?u.assign(x,e):m(x,e),p=g.subarray(0,v)}var b=s(t);return t.texImage2D(t.TEXTURE_2D,0,d,n[0],n[1],0,d,h,p),l||f.free(g),new a(t,b,n[0],n[1],d,h)}(t,e)}throw new Error("gl-texture2d: Invalid 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how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_linewidth = vec2(outset, inset);\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linepattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_blur;\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_fade;\nuniform float u_opacity;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n float x_a = mod(v_linesofar / u_pattern_size_a.x, 1.0);\n float x_b = mod(v_linesofar / u_pattern_size_b.x, 1.0);\n float y_a = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_a.y);\n float y_b = 0.5 + (v_normal.y * v_linewidth.s / u_pattern_size_b.y);\n vec2 pos_a = mix(u_pattern_tl_a, u_pattern_br_a, vec2(x_a, y_a));\n vec2 pos_b = mix(u_pattern_tl_b, u_pattern_br_b, vec2(x_b, y_b));\n\n vec4 color = mix(texture2D(u_image, pos_a), texture2D(u_image, pos_b), u_fade);\n\n alpha *= u_opacity;\n\n gl_FragColor = color * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform mediump float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying float v_linesofar;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist = outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n v_linesofar = a_linesofar;\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_linewidth = vec2(outset, inset);\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},linesdfpattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\n\nuniform float u_blur;\nuniform sampler2D u_image;\nuniform float u_sdfgamma;\nuniform float u_mix;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n // Calculate the distance of the pixel from the line in pixels.\n float dist = length(v_normal) * v_linewidth.s;\n\n // Calculate the antialiasing fade factor. This is either when fading in\n // the line in case of an offset line (v_linewidth.t) or when fading out\n // (v_linewidth.s)\n float blur = u_blur * v_gamma_scale;\n float alpha = clamp(min(dist - (v_linewidth.t - blur), v_linewidth.s - dist) / blur, 0.0, 1.0);\n\n float sdfdist_a = texture2D(u_image, v_tex_a).a;\n float sdfdist_b = texture2D(u_image, v_tex_b).a;\n float sdfdist = mix(sdfdist_a, sdfdist_b, u_mix);\n alpha *= smoothstep(0.5 - u_sdfgamma, 0.5 + u_sdfgamma, sdfdist);\n\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n// floor(127 / 2) == 63.0\n// the maximum allowed miter limit is 2.0 at the moment. the extrude normal is\n// stored in a byte (-128..127). we scale regular normals up to length 63, but\n// there are also \"special\" normals that have a bigger length (of up to 126 in\n// this case).\n// #define scale 63.0\n#define scale 0.015873016\n\n// We scale the distance before adding it to the buffers so that we can store\n// long distances for long segments. Use this value to unscale the distance.\n#define LINE_DISTANCE_SCALE 2.0\n\nattribute vec2 a_pos;\nattribute vec4 a_data;\n\nuniform mat4 u_matrix;\nuniform mediump float u_ratio;\nuniform mediump float u_linewidth;\nuniform mediump float u_gapwidth;\nuniform mediump float u_antialiasing;\nuniform vec2 u_patternscale_a;\nuniform float u_tex_y_a;\nuniform vec2 u_patternscale_b;\nuniform float u_tex_y_b;\nuniform float u_extra;\nuniform mat2 u_antialiasingmatrix;\nuniform mediump float u_offset;\n\nvarying vec2 v_normal;\nvarying vec2 v_linewidth;\nvarying vec2 v_tex_a;\nvarying vec2 v_tex_b;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_extrude = a_data.xy - 128.0;\n float a_direction = mod(a_data.z, 4.0) - 1.0;\n float a_linesofar = (floor(a_data.z / 4.0) + a_data.w * 64.0) * LINE_DISTANCE_SCALE;\n\n // We store the texture normals in the most insignificant bit\n // transform y so that 0 => -1 and 1 => 1\n // In the texture normal, x is 0 if the normal points straight up/down and 1 if it's a round cap\n // y is 1 if the normal points up, and -1 if it points down\n mediump vec2 normal = mod(a_pos, 2.0);\n normal.y = sign(normal.y - 0.5);\n v_normal = normal;\n\n float inset = u_gapwidth + (u_gapwidth > 0.0 ? u_antialiasing : 0.0);\n float outset = u_gapwidth + u_linewidth * (u_gapwidth > 0.0 ? 2.0 : 1.0) + u_antialiasing;\n\n // Scale the extrusion vector down to a normal and then up by the line width\n // of this vertex.\n mediump vec2 dist = outset * a_extrude * scale;\n\n // Calculate the offset when drawing a line that is to the side of the actual line.\n // We do this by creating a vector that points towards the extrude, but rotate\n // it when we're drawing round end points (a_direction = -1 or 1) since their\n // extrude vector points in another direction.\n mediump float u = 0.5 * a_direction;\n mediump float t = 1.0 - abs(u);\n mediump vec2 offset = u_offset * a_extrude * scale * normal.y * mat2(t, -u, u, t);\n\n // Remove the texture normal bit of the position before scaling it with the\n // model/view matrix.\n gl_Position = u_matrix * vec4(floor(a_pos * 0.5) + (offset + dist) / u_ratio, 0.0, 1.0);\n\n v_tex_a = vec2(a_linesofar * u_patternscale_a.x, normal.y * u_patternscale_a.y + u_tex_y_a);\n v_tex_b = vec2(a_linesofar * u_patternscale_b.x, normal.y * u_patternscale_b.y + u_tex_y_b);\n\n // position of y on the screen\n float y = gl_Position.y / gl_Position.w;\n\n // how much features are squished in the y direction by the tilt\n float squish_scale = length(a_extrude) / length(u_antialiasingmatrix * a_extrude);\n\n // how much features are squished in all directions by the perspectiveness\n float perspective_scale = 1.0 / (1.0 - min(y * u_extra, 0.9));\n\n v_linewidth = vec2(outset, inset);\n v_gamma_scale = perspective_scale * squish_scale;\n}\n"},outline:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvarying vec2 v_pos;\n\nvoid main() {\n #pragma mapbox: initialize lowp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = smoothstep(1.0, 0.0, dist);\n gl_FragColor = outline_color * (alpha * opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos;\n\n#pragma mapbox: define lowp vec4 outline_color\n#pragma mapbox: define lowp float opacity\n\nvoid main() {\n #pragma mapbox: initialize lowp vec4 outline_color\n #pragma mapbox: initialize lowp float opacity\n\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},outlinepattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n // find distance to outline for alpha interpolation\n\n float dist = length(v_pos - gl_FragCoord.xy);\n float alpha = smoothstep(1.0, 0.0, dist);\n \n\n gl_FragColor = mix(color1, color2, u_mix) * alpha * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nuniform mat4 u_matrix;\nuniform vec2 u_world;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\nvarying vec2 v_pos;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n // the correct offset needs to be calculated.\n //\n // The offset depends on how many pixels are between the world origin and\n // the edge of the tile:\n // vec2 offset = mod(pixel_coord, size)\n //\n // At high zoom levels there are a ton of pixels between the world origin\n // and the edge of the tile. The glsl spec only guarantees 16 bits of\n // precision for highp floats. We need more than that.\n //\n // The pixel_coord is passed in as two 16 bit values:\n // pixel_coord_upper = floor(pixel_coord / 2^16)\n // pixel_coord_lower = mod(pixel_coord, 2^16)\n //\n // The offset is calculated in a series of steps that should preserve this precision:\n vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n\n v_pos = (gl_Position.xy / gl_Position.w + 1.0) / 2.0 * u_world;\n}\n"},pattern:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity;\nuniform vec2 u_pattern_tl_a;\nuniform vec2 u_pattern_br_a;\nuniform vec2 u_pattern_tl_b;\nuniform vec2 u_pattern_br_b;\nuniform float u_mix;\n\nuniform sampler2D u_image;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n\n vec2 imagecoord = mod(v_pos_a, 1.0);\n vec2 pos = mix(u_pattern_tl_a, u_pattern_br_a, imagecoord);\n vec4 color1 = texture2D(u_image, pos);\n\n vec2 imagecoord_b = mod(v_pos_b, 1.0);\n vec2 pos2 = mix(u_pattern_tl_b, u_pattern_br_b, imagecoord_b);\n vec4 color2 = texture2D(u_image, pos2);\n\n gl_FragColor = mix(color1, color2, u_mix) * u_opacity;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform vec2 u_pattern_size_a;\nuniform vec2 u_pattern_size_b;\nuniform vec2 u_pixel_coord_upper;\nuniform vec2 u_pixel_coord_lower;\nuniform float u_scale_a;\nuniform float u_scale_b;\nuniform float u_tile_units_to_pixels;\n\nattribute vec2 a_pos;\n\nvarying vec2 v_pos_a;\nvarying vec2 v_pos_b;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n vec2 scaled_size_a = u_scale_a * u_pattern_size_a;\n vec2 scaled_size_b = u_scale_b * u_pattern_size_b;\n\n // the correct offset needs to be calculated.\n //\n // The offset depends on how many pixels are between the world origin and\n // the edge of the tile:\n // vec2 offset = mod(pixel_coord, size)\n //\n // At high zoom levels there are a ton of pixels between the world origin\n // and the edge of the tile. The glsl spec only guarantees 16 bits of\n // precision for highp floats. We need more than that.\n //\n // The pixel_coord is passed in as two 16 bit values:\n // pixel_coord_upper = floor(pixel_coord / 2^16)\n // pixel_coord_lower = mod(pixel_coord, 2^16)\n //\n // The offset is calculated in a series of steps that should preserve this precision:\n vec2 offset_a = mod(mod(mod(u_pixel_coord_upper, scaled_size_a) * 256.0, scaled_size_a) * 256.0 + u_pixel_coord_lower, scaled_size_a);\n vec2 offset_b = mod(mod(mod(u_pixel_coord_upper, scaled_size_b) * 256.0, scaled_size_b) * 256.0 + u_pixel_coord_lower, scaled_size_b);\n\n v_pos_a = (u_tile_units_to_pixels * a_pos + offset_a) / scaled_size_a;\n v_pos_b = (u_tile_units_to_pixels * a_pos + offset_b) / scaled_size_b;\n}\n"},raster:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_opacity0;\nuniform float u_opacity1;\nuniform sampler2D u_image0;\nuniform sampler2D u_image1;\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nuniform float u_brightness_low;\nuniform float u_brightness_high;\n\nuniform float u_saturation_factor;\nuniform float u_contrast_factor;\nuniform vec3 u_spin_weights;\n\nvoid main() {\n\n // read and cross-fade colors from the main and parent tiles\n vec4 color0 = texture2D(u_image0, v_pos0);\n vec4 color1 = texture2D(u_image1, v_pos1);\n vec4 color = color0 * u_opacity0 + color1 * u_opacity1;\n vec3 rgb = color.rgb;\n\n // spin\n rgb = vec3(\n dot(rgb, u_spin_weights.xyz),\n dot(rgb, u_spin_weights.zxy),\n dot(rgb, u_spin_weights.yzx));\n\n // saturation\n float average = (color.r + color.g + color.b) / 3.0;\n rgb += (average - rgb) * u_saturation_factor;\n\n // contrast\n rgb = (rgb - 0.5) * u_contrast_factor + 0.5;\n\n // brightness\n vec3 u_high_vec = vec3(u_brightness_low, u_brightness_low, u_brightness_low);\n vec3 u_low_vec = vec3(u_brightness_high, u_brightness_high, u_brightness_high);\n\n gl_FragColor = vec4(mix(u_high_vec, u_low_vec, rgb), color.a);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform mat4 u_matrix;\nuniform vec2 u_tl_parent;\nuniform float u_scale_parent;\nuniform float u_buffer_scale;\n\nattribute vec2 a_pos;\nattribute vec2 a_texture_pos;\n\nvarying vec2 v_pos0;\nvarying vec2 v_pos1;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos, 0, 1);\n v_pos0 = (((a_texture_pos / 32767.0) - 0.5) / u_buffer_scale ) + 0.5;\n v_pos1 = (v_pos0 * u_scale_parent) + u_tl_parent;\n}\n"},icon:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp float u_opacity;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n lowp float alpha = texture2D(u_fadetexture, v_fade_tex).a * u_opacity;\n gl_FragColor = texture2D(u_texture, v_tex) * alpha;\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\n\nvoid main() {\n vec2 a_tex = a_texture_pos.xy;\n mediump float a_labelminzoom = a_data[0];\n mediump vec2 a_zoom = a_data.pq;\n mediump float a_minzoom = a_zoom[0];\n mediump float a_maxzoom = a_zoom[1];\n\n // u_zoom is the current zoom level adjusted for the change in font size\n mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n if (u_rotate_with_map) {\n gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n gl_Position.z += z * gl_Position.w;\n } else {\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n }\n\n v_tex = a_tex / u_texsize;\n v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},sdf:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform sampler2D u_texture;\nuniform sampler2D u_fadetexture;\nuniform lowp vec4 u_color;\nuniform lowp float u_opacity;\nuniform lowp float u_buffer;\nuniform lowp float u_gamma;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n lowp float dist = texture2D(u_texture, v_tex).a;\n lowp float fade_alpha = texture2D(u_fadetexture, v_fade_tex).a;\n lowp float gamma = u_gamma * v_gamma_scale;\n lowp float alpha = smoothstep(u_buffer - gamma, u_buffer + gamma, dist) * fade_alpha;\n\n gl_FragColor = u_color * (alpha * u_opacity);\n\n#ifdef OVERDRAW_INSPECTOR\n gl_FragColor = vec4(1.0);\n#endif\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nconst float PI = 3.141592653589793;\n\nattribute vec2 a_pos;\nattribute vec2 a_offset;\nattribute vec2 a_texture_pos;\nattribute vec4 a_data;\n\n\n// matrix is for the vertex position.\nuniform mat4 u_matrix;\n\nuniform mediump float u_zoom;\nuniform bool u_rotate_with_map;\nuniform bool u_pitch_with_map;\nuniform mediump float u_pitch;\nuniform mediump float u_bearing;\nuniform mediump float u_aspect_ratio;\nuniform vec2 u_extrude_scale;\n\nuniform vec2 u_texsize;\n\nvarying vec2 v_tex;\nvarying vec2 v_fade_tex;\nvarying float v_gamma_scale;\n\nvoid main() {\n vec2 a_tex = a_texture_pos.xy;\n mediump float a_labelminzoom = a_data[0];\n mediump vec2 a_zoom = a_data.pq;\n mediump float a_minzoom = a_zoom[0];\n mediump float a_maxzoom = a_zoom[1];\n\n // u_zoom is the current zoom level adjusted for the change in font size\n mediump float z = 2.0 - step(a_minzoom, u_zoom) - (1.0 - step(a_maxzoom, u_zoom));\n\n // pitch-alignment: map\n // rotation-alignment: map | viewport\n if (u_pitch_with_map) {\n lowp float angle = u_rotate_with_map ? (a_data[1] / 256.0 * 2.0 * PI) : u_bearing;\n lowp float asin = sin(angle);\n lowp float acos = cos(angle);\n mat2 RotationMatrix = mat2(acos, asin, -1.0 * asin, acos);\n vec2 offset = RotationMatrix * a_offset;\n vec2 extrude = u_extrude_scale * (offset / 64.0);\n gl_Position = u_matrix * vec4(a_pos + extrude, 0, 1);\n gl_Position.z += z * gl_Position.w;\n // pitch-alignment: viewport\n // rotation-alignment: map\n } else if (u_rotate_with_map) {\n // foreshortening factor to apply on pitched maps\n // as a label goes from horizontal <=> vertical in angle\n // it goes from 0% foreshortening to up to around 70% foreshortening\n lowp float pitchfactor = 1.0 - cos(u_pitch * sin(u_pitch * 0.75));\n\n lowp float lineangle = a_data[1] / 256.0 * 2.0 * PI;\n\n // use the lineangle to position points a,b along the line\n // project the points and calculate the label angle in projected space\n // this calculation allows labels to be rendered unskewed on pitched maps\n vec4 a = u_matrix * vec4(a_pos, 0, 1);\n vec4 b = u_matrix * vec4(a_pos + vec2(cos(lineangle),sin(lineangle)), 0, 1);\n lowp float angle = atan((b[1]/b[3] - a[1]/a[3])/u_aspect_ratio, b[0]/b[3] - a[0]/a[3]);\n lowp float asin = sin(angle);\n lowp float acos = cos(angle);\n mat2 RotationMatrix = mat2(acos, -1.0 * asin, asin, acos);\n\n vec2 offset = RotationMatrix * (vec2((1.0-pitchfactor)+(pitchfactor*cos(angle*2.0)), 1.0) * a_offset);\n vec2 extrude = u_extrude_scale * (offset / 64.0);\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n gl_Position.z += z * gl_Position.w;\n // pitch-alignment: viewport\n // rotation-alignment: viewport\n } else {\n vec2 extrude = u_extrude_scale * (a_offset / 64.0);\n gl_Position = u_matrix * vec4(a_pos, 0, 1) + vec4(extrude, 0, 0);\n }\n\n v_gamma_scale = (gl_Position.w - 0.5);\n\n v_tex = a_tex / u_texsize;\n v_fade_tex = vec2(a_labelminzoom / 255.0, 0.0);\n}\n"},collisionbox:{fragmentSource:"#ifdef GL_ES\nprecision mediump float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nuniform float u_zoom;\nuniform float u_maxzoom;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n\n float alpha = 0.5;\n\n gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0) * alpha;\n\n if (v_placement_zoom > u_zoom) {\n gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0) * alpha;\n }\n\n if (u_zoom >= v_max_zoom) {\n gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0) * alpha * 0.25;\n }\n\n if (v_placement_zoom >= u_maxzoom) {\n gl_FragColor = vec4(0.0, 0.0, 1.0, 1.0) * alpha * 0.2;\n }\n}\n",vertexSource:"#ifdef GL_ES\nprecision highp float;\n#else\n#define lowp\n#define mediump\n#define highp\n#endif\n\nattribute vec2 a_pos;\nattribute vec2 a_extrude;\nattribute vec2 a_data;\n\nuniform mat4 u_matrix;\nuniform float u_scale;\n\nvarying float v_max_zoom;\nvarying float v_placement_zoom;\n\nvoid main() {\n gl_Position = u_matrix * vec4(a_pos + a_extrude / u_scale, 0.0, 1.0);\n\n v_max_zoom = a_data.x;\n v_placement_zoom = a_data.y;\n}\n"}},e.exports.util="float evaluate_zoom_function_1(const vec4 values, const float t) {\n if (t < 1.0) {\n return mix(values[0], values[1], t);\n } else if (t < 2.0) {\n return mix(values[1], values[2], t - 1.0);\n } else {\n return mix(values[2], values[3], t - 2.0);\n }\n}\nvec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 value2, const vec4 value3, const float t) {\n if (t < 1.0) {\n return mix(value0, value1, t);\n } else if (t < 2.0) {\n return mix(value1, value2, t - 1.0);\n } else {\n return mix(value2, value3, t - 2.0);\n }\n}\n"},{path:468}],295:[function(t,e,r){"use strict";var n=t("util").format;e.exports=function(t,e){this.message=(t?t+": ":"")+n.apply(n,Array.prototype.slice.call(arguments,2)),null!==e&&void 0!==e&&e.__line__&&(this.line=e.__line__)}},{util:563}],296:[function(t,e,r){"use strict";e.exports=function(t){for(var e=1;e7)return[new n(u,l,"constants have been deprecated as of v8")];if(!(l in h.constants))return[new n(u,l,'constant "%s" not found',l)];e=a({},e,{value:h.constants[l]})}return c.function&&"object"===i(l)?r(e):c.type&&s[c.type]?s[c.type](e):o(a({},e,{valueSpec:c.type?f[c.type]:c}))}},{"../error/validation_error":295,"../util/extend":296,"../util/get_type":297,"./validate_array":300,"./validate_boolean":301,"./validate_color":302,"./validate_constants":303,"./validate_enum":304,"./validate_filter":305,"./validate_function":306,"./validate_layer":308,"./validate_number":310,"./validate_object":311,"./validate_source":313,"./validate_string":314}],300:[function(t,e,r){"use strict";var n=t("../util/get_type"),i=t("./validate"),a=t("../error/validation_error");e.exports=function(t){var e=t.value,r=t.valueSpec,o=t.style,s=t.styleSpec,l=t.key,c=t.arrayElementValidator||i;if("array"!==n(e))return[new a(l,e,"array expected, %s found",n(e))];if(r.length&&e.length!==r.length)return[new a(l,e,"array length %d expected, length %d found",r.length,e.length)];if(r["min-length"]&&e.length7)return r?[new n(e,r,"constants have been deprecated as of v8")]:[];var a=i(r);if("object"!==a)return[new n(e,r,"object expected, %s found",a)];var o=[];for(var s in r)"@"!==s[0]&&o.push(new n(e+"."+s,r[s],'constants must start with "@"'));return o}},{"../error/validation_error":295,"../util/get_type":297}],304:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/unbundle_jsonlint");e.exports=function(t){var e=t.key,r=t.value,a=t.valueSpec,o=[];return-1===a.values.indexOf(i(r))&&o.push(new n(e,r,"expected one of [%s], %s found",a.values.join(", "),r)),o}},{"../error/validation_error":295,"../util/unbundle_jsonlint":298}],305:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("./validate_enum"),a=t("../util/get_type"),o=t("../util/unbundle_jsonlint");e.exports=function t(e){var r,s=e.value,l=e.key,c=e.styleSpec,u=[];if("array"!==a(s))return[new n(l,s,"array expected, %s found",a(s))];if(s.length<1)return[new n(l,s,"filter array must have at least 1 element")];switch(u=u.concat(i({key:l+"[0]",value:s[0],valueSpec:c.filter_operator,style:e.style,styleSpec:e.styleSpec})),o(s[0])){case"<":case"<=":case">":case">=":s.length>=2&&"$type"==s[1]&&u.push(new n(l,s,'"$type" cannot be use with operator "%s"',s[0]));case"==":case"!=":3!=s.length&&u.push(new n(l,s,'filter array for operator "%s" must have 3 elements',s[0]));case"in":case"!in":s.length>=2&&("string"!==(r=a(s[1]))?u.push(new n(l+"[1]",s[1],"string expected, %s found",r)):"@"===s[1][0]&&u.push(new n(l+"[1]",s[1],"filter key cannot be a constant")));for(var f=2;f=8&&(f&&!t.valueSpec["property-function"]?d.push(new n(t.key,t.value,"property functions not supported")):h&&!t.valueSpec["zoom-function"]&&d.push(new n(t.key,t.value,"zoom functions not supported"))),d}},{"../error/validation_error":295,"../util/get_type":297,"./validate":299,"./validate_array":300,"./validate_number":310,"./validate_object":311}],307:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("./validate_string");e.exports=function(t){var e=t.value,r=t.key,a=i(t);return a.length?a:(-1===e.indexOf("{fontstack}")&&a.push(new n(r,e,'"glyphs" url must include a "{fontstack}" token')),-1===e.indexOf("{range}")&&a.push(new n(r,e,'"glyphs" url must include a "{range}" token')),a)}},{"../error/validation_error":295,"./validate_string":314}],308:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/unbundle_jsonlint"),a=t("./validate_object"),o=t("./validate_filter"),s=t("./validate_paint_property"),l=t("./validate_layout_property"),c=t("../util/extend");e.exports=function(t){var e=[],r=t.value,u=t.key,f=t.style,h=t.styleSpec;r.type||r.ref||e.push(new n(u,r,'either "type" or "ref" is required'));var d=i(r.type),p=i(r.ref);if(r.id)for(var m=0;ma.maximum?[new i(e,r,"%s is greater than the maximum value %s",r,a.maximum)]:[]}},{"../error/validation_error":295,"../util/get_type":297}],311:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/get_type"),a=t("./validate");e.exports=function(t){var e=t.key,r=t.value,o=t.valueSpec,s=t.objectElementValidators||{},l=t.style,c=t.styleSpec,u=[],f=i(r);if("object"!==f)return[new n(e,r,"object expected, %s found",f)];for(var h in r){var d=h.split(".")[0],p=o&&(o[d]||o["*"]),m=s[d]||s["*"];p||m?u=u.concat((m||a)({key:(e?e+".":e)+h,value:r[h],valueSpec:p,style:l,styleSpec:c,object:r,objectKey:h})):""!==e&&1!==e.split(".").length&&u.push(new n(e,r[h],'unknown property "%s"',h))}for(d in o)o[d].required&&void 0===o[d].default&&void 0===r[d]&&u.push(new n(e,r,'missing required property "%s"',d));return u}},{"../error/validation_error":295,"../util/get_type":297,"./validate":299}],312:[function(t,e,r){"use strict";var n=t("./validate"),i=t("../error/validation_error");e.exports=function(t){var e=t.key,r=t.style,a=t.styleSpec,o=t.value,s=t.objectKey,l=a["paint_"+t.layerType],c=s.match(/^(.*)-transition$/);return c&&l[c[1]]&&l[c[1]].transition?n({key:e,value:o,valueSpec:a.transition,style:r,styleSpec:a}):t.valueSpec||l[s]?n({key:t.key,value:o,valueSpec:t.valueSpec||l[s],style:r,styleSpec:a}):[new i(e,o,'unknown property "%s"',s)]}},{"../error/validation_error":295,"./validate":299}],313:[function(t,e,r){"use strict";var n=t("../error/validation_error"),i=t("../util/unbundle_jsonlint"),a=t("./validate_object"),o=t("./validate_enum");e.exports=function(t){var e=t.value,r=t.key,s=t.styleSpec,l=t.style;if(!e.type)return[new n(r,e,'"type" is required')];switch(i(e.type)){case"vector":case"raster":var c=[];if(c=c.concat(a({key:r,value:e,valueSpec:s.source_tile,style:t.style,styleSpec:s})),"url"in e)for(var u in e)["type","url","tileSize"].indexOf(u)<0&&c.push(new n(r+"."+u,e[u],'a source with a "url" property may not include a "%s" property',u));return c;case"geojson":return a({key:r,value:e,valueSpec:s.source_geojson,style:l,styleSpec:s});case"video":return 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f=this.prepareArrayGroup("circle",4),h=f.layoutVertexArray,d=this.addCircleVertex(h,c,u,-1,-1);this.addCircleVertex(h,c,u,1,-1),this.addCircleVertex(h,c,u,1,1),this.addCircleVertex(h,c,u,-1,1),f.elementArray.emplaceBack(d,d+1,d+2),f.elementArray.emplaceBack(d,d+3,d+2)}}this.populatePaintArrays("circle",e,t.properties,n,i)}},{"../../util/util":433,"../bucket":320,"../load_geometry":328}],322:[function(t,e,r){"use strict";function n(){i.apply(this,arguments)}var i=t("../bucket"),a=t("../../util/util"),o=t("../load_geometry"),s=t("earcut"),l=t("../../util/classify_rings");e.exports=n,(n.prototype=a.inherit(i,{})).programInterfaces={fill:{layoutVertexArrayType:new i.VertexArrayType([{name:"a_pos",components:2,type:"Int16"}]),elementArrayType:new i.ElementArrayType(1),elementArrayType2:new i.ElementArrayType(2),paintAttributes:[{name:"a_color",components:4,type:"Uint8",getValue:function(t,e,r){return t.getPaintValue("fill-color",e,r)},multiplier:255,paintProperty:"fill-color"},{name:"a_outline_color",components:4,type:"Uint8",getValue:function(t,e,r){return t.getPaintValue("fill-outline-color",e,r)},multiplier:255,paintProperty:"fill-outline-color"},{name:"a_opacity",components:1,type:"Uint8",getValue:function(t,e,r){return[t.getPaintValue("fill-opacity",e,r)]},multiplier:255,paintProperty:"fill-opacity"}]}},n.prototype.addFeature=function(t){for(var e=o(t),r=l(e,500),n=this.prepareArrayGroup("fill",0),i=n.layoutVertexArray.length,a=0;a0&&a.push(i.length/2);for(var u=0;u=1&&n.elementArray2.emplaceBack(h-1,h),i.push(f.x),i.push(f.y)}}for(var d=s(i,a),p=0;p>6)},n.prototype.programInterfaces={line:{layoutVertexArrayType:new i.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_data",components:4,type:"Uint8"}]),elementArrayType:new i.ElementArrayType}},n.prototype.addFeature=function(t){for(var e=o(t,15),r=0;r2&&t[a-1].equals(t[a-2]);)a--;if(!(t.length<2)){"bevel"===e&&(n=1.05);var o=s/(512*this.overscaling)*15,c=t[0],u=t[a-1],f=c.equals(u);if(this.prepareArrayGroup("line",10*a),2!==a||!f){this.distance=0;var h,d,p,m,g,v,y,x=r,b=f?"butt":r,_=!0;this.e1=this.e2=this.e3=-1,f&&(h=t[a-2],g=c.sub(h)._unit()._perp());for(var w=0;w0){var S=h.dist(d);if(S>2*o){var E=h.sub(h.sub(d)._mult(o/S)._round());this.distance+=E.dist(d),this.addCurrentVertex(E,this.distance,m.mult(1),0,0,!1),d=E}}var L=d&&p,C=L?e:p?x:b;if(L&&"round"===C&&(An&&(C="bevel"),"bevel"===C&&(A>2&&(C="flipbevel"),A100)M=g.clone();else{var z=m.x*g.y-m.y*g.x>0?-1:1,D=A*m.add(g).mag()/m.sub(g).mag();M._perp()._mult(D*z)}this.addCurrentVertex(h,this.distance,M,0,0,!1),this.addCurrentVertex(h,this.distance,M.mult(-1),0,0,!1)}else if("bevel"===C||"fakeround"===C){var I=m.x*g.y-m.y*g.x>0,P=-Math.sqrt(A*A-1);if(I?(y=0,v=P):(v=0,y=P),_||this.addCurrentVertex(h,this.distance,m,v,y,!1),"fakeround"===C){for(var O,F=Math.floor(8*(.5-(k-.5))),R=0;R=0;N--)O=m.mult((N+1)/(F+1))._add(g)._unit(),this.addPieSliceVertex(h,this.distance,O,I)}p&&this.addCurrentVertex(h,this.distance,g,-v,-y,!1)}else"butt"===C?(_||this.addCurrentVertex(h,this.distance,m,0,0,!1),p&&this.addCurrentVertex(h,this.distance,g,0,0,!1)):"square"===C?(_||(this.addCurrentVertex(h,this.distance,m,1,1,!1),this.e1=this.e2=-1),p&&this.addCurrentVertex(h,this.distance,g,-1,-1,!1)):"round"===C&&(_||(this.addCurrentVertex(h,this.distance,m,0,0,!1),this.addCurrentVertex(h,this.distance,m,1,1,!0),this.e1=this.e2=-1),p&&(this.addCurrentVertex(h,this.distance,g,-1,-1,!0),this.addCurrentVertex(h,this.distance,g,0,0,!1)));if(T&&w2*o){var B=h.add(p.sub(h)._mult(o/j)._round());this.distance+=B.dist(h),this.addCurrentVertex(B,this.distance,g.mult(1),0,0,!1),h=B}}_=!1}}}},n.prototype.addCurrentVertex=function(t,e,r,n,i,a){var o,s=a?1:0,l=this.arrayGroups.line[this.arrayGroups.line.length-1],u=l.layoutVertexArray,f=l.elementArray;o=r.clone(),n&&o._sub(r.perp()._mult(n)),this.e3=this.addLineVertex(u,t,o,s,0,n,e),this.e1>=0&&this.e2>=0&&f.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,o=r.mult(-1),i&&o._sub(r.perp()._mult(i)),this.e3=this.addLineVertex(u,t,o,s,1,-i,e),this.e1>=0&&this.e2>=0&&f.emplaceBack(this.e1,this.e2,this.e3),this.e1=this.e2,this.e2=this.e3,e>c/2&&(this.distance=0,this.addCurrentVertex(t,this.distance,r,n,i,a))},n.prototype.addPieSliceVertex=function(t,e,r,n){var i=n?1:0;r=r.mult(n?-1:1);var a=this.arrayGroups.line[this.arrayGroups.line.length-1],o=a.layoutVertexArray,s=a.elementArray;this.e3=this.addLineVertex(o,t,r,0,i,0,e),this.e1>=0&&this.e2>=0&&s.emplaceBack(this.e1,this.e2,this.e3),n?this.e2=this.e3:this.e1=this.e3}},{"../../util/util":433,"../bucket":320,"../load_geometry":328}],324:[function(t,e,r){"use strict";function n(t){o.apply(this,arguments),this.showCollisionBoxes=t.showCollisionBoxes,this.overscaling=t.overscaling,this.collisionBoxArray=t.collisionBoxArray,this.symbolQuadsArray=t.symbolQuadsArray,this.symbolInstancesArray=t.symbolInstancesArray,this.sdfIcons=t.sdfIcons,this.iconsNeedLinear=t.iconsNeedLinear,this.adjustedTextSize=t.adjustedTextSize,this.adjustedIconSize=t.adjustedIconSize,this.fontstack=t.fontstack}function i(t,e,r,n,i,a,o,s,l,c,u){return t.emplaceBack(e,r,Math.round(64*n),Math.round(64*i),a/4,o/4,10*(c||0),u,10*(s||0),10*Math.min(l||25,25))}var a=t("point-geometry"),o=t("../bucket"),s=t("../../symbol/anchor"),l=t("../../symbol/get_anchors"),c=t("../../util/token"),u=t("../../symbol/quads"),f=t("../../symbol/shaping"),h=t("../../symbol/resolve_text"),d=t("../../symbol/mergelines"),p=t("../../symbol/clip_line"),m=t("../../util/util"),g=t("../load_geometry"),v=t("../../symbol/collision_feature"),y=f.shapeText,x=f.shapeIcon,b=u.getGlyphQuads,_=u.getIconQuads,w=o.EXTENT;e.exports=n,n.MAX_QUADS=65535,(n.prototype=m.inherit(o,{})).serialize=function(){var t=o.prototype.serialize.apply(this);return t.sdfIcons=this.sdfIcons,t.iconsNeedLinear=this.iconsNeedLinear,t.adjustedTextSize=this.adjustedTextSize,t.adjustedIconSize=this.adjustedIconSize,t.fontstack=this.fontstack,t};var M=new o.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_offset",components:2,type:"Int16"},{name:"a_texture_pos",components:2,type:"Uint16"},{name:"a_data",components:4,type:"Uint8"}]),k=new o.ElementArrayType;n.prototype.addCollisionBoxVertex=function(t,e,r,n,i){return t.emplaceBack(e.x,e.y,Math.round(r.x),Math.round(r.y),10*n,10*i)},n.prototype.programInterfaces={glyph:{layoutVertexArrayType:M,elementArrayType:k},icon:{layoutVertexArrayType:M,elementArrayType:k},collisionBox:{layoutVertexArrayType:new o.VertexArrayType([{name:"a_pos",components:2,type:"Int16"},{name:"a_extrude",components:2,type:"Int16"},{name:"a_data",components:2,type:"Uint8"}])}},n.prototype.populateArrays=function(t,e,r){var n={lastIntegerZoom:1/0,lastIntegerZoomTime:0,lastZoom:0};this.adjustedTextMaxSize=this.layer.getLayoutValue("text-size",{zoom:18,zoomHistory:n}),this.adjustedTextSize=this.layer.getLayoutValue("text-size",{zoom:this.zoom+1,zoomHistory:n}),this.adjustedIconMaxSize=this.layer.getLayoutValue("icon-size",{zoom:18,zoomHistory:n}),this.adjustedIconSize=this.layer.getLayoutValue("icon-size",{zoom:this.zoom+1,zoomHistory:n});var i=512*this.overscaling;this.tilePixelRatio=w/i,this.compareText={},this.iconsNeedLinear=!1,this.symbolInstancesStartIndex=this.symbolInstancesArray.length;var a=this.layer.layout,o=this.features,s=this.textFeatures,l=.5,u=.5;switch(a["text-anchor"]){case"right":case"top-right":case"bottom-right":l=1;break;case"left":case"top-left":case"bottom-left":l=0}switch(a["text-anchor"]){case"bottom":case"bottom-right":case"bottom-left":u=1;break;case"top":case"top-right":case"top-left":u=0}for(var f="right"===a["text-justify"]?1:"left"===a["text-justify"]?0:.5,h=24*a["text-line-height"],p="line"!==a["symbol-placement"]?24*a["text-max-width"]:0,v=24*a["text-letter-spacing"],b=[24*a["text-offset"][0],24*a["text-offset"][1]],_=this.fontstack=a["text-font"].join(","),M=[],k=0;kw||L.y<0||L.y>w);if(!d||C){var z=C||b;this.addSymbolInstance(L,T,e,r,this.layer,z,this.symbolInstancesArray.length,this.collisionBoxArray,n.index,this.sourceLayerIndex,this.index,c,m,y,f,g,x,{zoom:this.zoom},n.properties)}}}},n.prototype.anchorIsTooClose=function(t,e,r){var n=this.compareText;if(t in n){for(var i=n[t],a=i.length-1;a>=0;a--)if(r.dist(i[a])3*Math.PI/2))){var g=p.tl,v=p.tr,y=p.bl,x=p.br,b=p.tex,_=p.anchorPoint,w=Math.max(f+Math.log(p.minScale)/Math.LN2,h),M=Math.min(f+Math.log(p.maxScale)/Math.LN2,25);if(!(M<=w)){w===h&&(w=0);var k=Math.round(p.glyphAngle/(2*Math.PI)*256),A=i(u,_.x,_.y,g.x,g.y,b.x,b.y,w,M,h,k);i(u,_.x,_.y,v.x,v.y,b.x+b.w,b.y,w,M,h,k),i(u,_.x,_.y,y.x,y.y,b.x,b.y+b.h,w,M,h,k),i(u,_.x,_.y,x.x,x.y,b.x+b.w,b.y+b.h,w,M,h,k),c.emplaceBack(A,A+1,A+2),c.emplaceBack(A+1,A+2,A+3)}}}},n.prototype.updateIcons=function(t){this.recalculateStyleLayers();var e=this.layer.layout["icon-image"];if(e)for(var r=0;rn.MAX_QUADS&&m.warnOnce("Too many symbols being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),A>n.MAX_QUADS&&m.warnOnce("Too many glyphs being rendered in a tile. See https://github.com/mapbox/mapbox-gl-js/issues/2907"),this.symbolInstancesArray.emplaceBack(I,P,O,F,k,A,T,S,t.x,t.y,s)},n.prototype.addSymbolQuad=function(t){return this.symbolQuadsArray.emplaceBack(t.anchorPoint.x,t.anchorPoint.y,t.tl.x,t.tl.y,t.tr.x,t.tr.y,t.bl.x,t.bl.y,t.br.x,t.br.y,t.tex.h,t.tex.w,t.tex.x,t.tex.y,t.anchorAngle,t.glyphAngle,t.maxScale,t.minScale)}},{"../../symbol/anchor":382,"../../symbol/clip_line":384,"../../symbol/collision_feature":386,"../../symbol/get_anchors":388,"../../symbol/mergelines":391,"../../symbol/quads":392,"../../symbol/resolve_text":393,"../../symbol/shaping":394,"../../util/token":432,"../../util/util":433,"../bucket":320,"../load_geometry":328,"point-geometry":477}],325:[function(t,e,r){"use strict";function n(t,e,r){this.arrayBuffer=t.arrayBuffer,this.length=t.length,this.attributes=e.members,this.itemSize=e.bytesPerElement,this.type=r,this.arrayType=e}e.exports=n,n.prototype.bind=function(t){var e=t[this.type];this.buffer?t.bindBuffer(e,this.buffer):(this.buffer=t.createBuffer(),t.bindBuffer(e,this.buffer),t.bufferData(e,this.arrayBuffer,t.STATIC_DRAW),this.arrayBuffer=null)};var i={Int8:"BYTE",Uint8:"UNSIGNED_BYTE",Int16:"SHORT",Uint16:"UNSIGNED_SHORT"};n.prototype.setVertexAttribPointers=function(t,e){for(var r=0;r0?t["line-gap-width"]+2*t["line-width"]:t["line-width"]}function s(t,e,r,n,i){if(!e[0]&&!e[1])return t;e=l.convert(e),"viewport"===r&&e._rotate(-n);for(var a=[],o=0;or.max||h.yr.max)&&i.warnOnce("Geometry exceeds allowed extent, reduce your vector tile buffer size")}return l}},{"../util/util":433,"./bucket":320,assert:51}],329:[function(t,e,r){"use strict";function n(t,e,r){this.column=t,this.row=e,this.zoom=r}e.exports=n,n.prototype={clone:function(){return new n(this.column,this.row,this.zoom)},zoomTo:function(t){return this.clone()._zoomTo(t)},sub:function(t){return this.clone()._sub(t)},_zoomTo:function(t){var e=Math.pow(2,t-this.zoom);return this.column*=e,this.row*=e,this.zoom=t,this},_sub:function(t){return t=t.zoomTo(this.zoom),this.column-=t.column,this.row-=t.row,this}}},{}],330:[function(t,e,r){"use strict";function n(t,e){if(isNaN(t)||isNaN(e))throw new Error("Invalid LngLat object: ("+t+", "+e+")");if(this.lng=+t,this.lat=+e,this.lat>90||this.lat<-90)throw new Error("Invalid LngLat latitude value: must be between -90 and 90")}e.exports=n;var i=t("../util/util").wrap;n.prototype.wrap=function(){return new n(i(this.lng,-180,180),this.lat)},n.prototype.toArray=function(){return[this.lng,this.lat]},n.prototype.toString=function(){return"LngLat("+this.lng+", "+this.lat+")"},n.convert=function(t){return t instanceof n?t:Array.isArray(t)?new n(t[0],t[1]):t}},{"../util/util":433}],331:[function(t,e,r){"use strict";function n(t,e){t&&(e?this.extend(t).extend(e):4===t.length?this.extend([t[0],t[1]]).extend([t[2],t[3]]):this.extend(t[0]).extend(t[1]))}e.exports=n;var i=t("./lng_lat");n.prototype={extend:function(t){var e,r,a=this._sw,o=this._ne;if(t instanceof i)e=t,r=t;else{if(!(t instanceof n))return t?this.extend(i.convert(t)||n.convert(t)):this;if(e=t._sw,r=t._ne,!e||!r)return this}return a||o?(a.lng=Math.min(e.lng,a.lng),a.lat=Math.min(e.lat,a.lat),o.lng=Math.max(r.lng,o.lng),o.lat=Math.max(r.lat,o.lat)):(this._sw=new i(e.lng,e.lat),this._ne=new i(r.lng,r.lat)),this},getCenter:function(){return new i((this._sw.lng+this._ne.lng)/2,(this._sw.lat+this._ne.lat)/2)},getSouthWest:function(){return this._sw},getNorthEast:function(){return this._ne},getNorthWest:function(){return new i(this.getWest(),this.getNorth())},getSouthEast:function(){return new i(this.getEast(),this.getSouth())},getWest:function(){return this._sw.lng},getSouth:function(){return this._sw.lat},getEast:function(){return this._ne.lng},getNorth:function(){return this._ne.lat},toArray:function(){return[this._sw.toArray(),this._ne.toArray()]},toString:function(){return"LngLatBounds("+this._sw.toString()+", "+this._ne.toString()+")"}},n.convert=function(t){return!t||t instanceof n?t:new n(t)}},{"./lng_lat":330}],332:[function(t,e,r){"use strict";function n(t,e){this.tileSize=512,this._minZoom=t||0,this._maxZoom=e||22,this.latRange=[-85.05113,85.05113],this.width=0,this.height=0,this._center=new i(0,0),this.zoom=0,this.angle=0,this._altitude=1.5,this._pitch=0,this._unmodified=!0}var i=t("./lng_lat"),a=t("point-geometry"),o=t("./coordinate"),s=t("../util/util").wrap,l=t("../util/interpolate"),c=t("../source/tile_coord"),u=t("../data/bucket").EXTENT,f=t("gl-matrix"),h=f.vec4,d=f.mat4,p=f.mat2;e.exports=n,n.prototype={get minZoom(){return this._minZoom},set minZoom(t){this._minZoom!==t&&(this._minZoom=t,this.zoom=Math.max(this.zoom,t))},get maxZoom(){return this._maxZoom},set maxZoom(t){this._maxZoom!==t&&(this._maxZoom=t,this.zoom=Math.min(this.zoom,t))},get worldSize(){return this.tileSize*this.scale},get centerPoint(){return this.size._div(2)},get size(){return new a(this.width,this.height)},get bearing(){return-this.angle/Math.PI*180},set bearing(t){var e=-s(t,-180,180)*Math.PI/180;this.angle!==e&&(this._unmodified=!1,this.angle=e,this._calcMatrices(),this.rotationMatrix=p.create(),p.rotate(this.rotationMatrix,this.rotationMatrix,this.angle))},get pitch(){return this._pitch/Math.PI*180},set pitch(t){var e=Math.min(60,t)/180*Math.PI;this._pitch!==e&&(this._unmodified=!1,this._pitch=e,this._calcMatrices())},get altitude(){return this._altitude},set altitude(t){var e=Math.max(.75,t);this._altitude!==e&&(this._unmodified=!1,this._altitude=e,this._calcMatrices())},get zoom(){return this._zoom},set zoom(t){var e=Math.min(Math.max(t,this.minZoom),this.maxZoom);this._zoom!==e&&(this._unmodified=!1,this._zoom=e,this.scale=this.zoomScale(e),this.tileZoom=Math.floor(e),this.zoomFraction=e-this.tileZoom,this._calcMatrices(),this._constrain())},get center(){return this._center},set center(t){t.lat===this._center.lat&&t.lng===this._center.lng||(this._unmodified=!1,this._center=t,this._calcMatrices(),this._constrain())},coveringZoomLevel:function(t){return(t.roundZoom?Math.round:Math.floor)(this.zoom+this.scaleZoom(this.tileSize/t.tileSize))},coveringTiles:function(t){var e=this.coveringZoomLevel(t),r=e;if(et.maxzoom&&(e=t.maxzoom);var n=this.locationCoordinate(this.center)._zoomTo(e),i=new a(n.column-.5,n.row-.5);return c.cover(e,[this.pointCoordinate(new a(0,0))._zoomTo(e),this.pointCoordinate(new a(this.width,0))._zoomTo(e),this.pointCoordinate(new a(this.width,this.height))._zoomTo(e),this.pointCoordinate(new a(0,this.height))._zoomTo(e)],t.reparseOverscaled?r:e).sort(function(t,e){return i.dist(t)-i.dist(e)})},resize:function(t,e){this.width=t,this.height=e,this.pixelsToGLUnits=[2/t,-2/e],this._calcMatrices(),this._constrain()},get unmodified(){return this._unmodified},zoomScale:function(t){return Math.pow(2,t)},scaleZoom:function(t){return Math.log(t)/Math.LN2},project:function(t,e){return new a(this.lngX(t.lng,e),this.latY(t.lat,e))},unproject:function(t,e){return new i(this.xLng(t.x,e),this.yLat(t.y,e))},get x(){return this.lngX(this.center.lng)},get y(){return this.latY(this.center.lat)},get point(){return new a(this.x,this.y)},lngX:function(t,e){return(180+t)*(e||this.worldSize)/360},latY:function(t,e){return(180-180/Math.PI*Math.log(Math.tan(Math.PI/4+t*Math.PI/360)))*(e||this.worldSize)/360},xLng:function(t,e){return 360*t/(e||this.worldSize)-180},yLat:function(t,e){var r=180-360*t/(e||this.worldSize);return 360/Math.PI*Math.atan(Math.exp(r*Math.PI/180))-90},panBy:function(t){var e=this.centerPoint._add(t);this.center=this.pointLocation(e)},setLocationAtPoint:function(t,e){var r=this.locationCoordinate(t),n=this.pointCoordinate(e),i=this.pointCoordinate(this.centerPoint),a=n._sub(r);this._unmodified=!1,this.center=this.coordinateLocation(i._sub(a))},locationPoint:function(t){return this.coordinatePoint(this.locationCoordinate(t))},pointLocation:function(t){return this.coordinateLocation(this.pointCoordinate(t))},locationCoordinate:function(t){var e=this.zoomScale(this.tileZoom)/this.worldSize,r=i.convert(t);return new o(this.lngX(r.lng)*e,this.latY(r.lat)*e,this.tileZoom)},coordinateLocation:function(t){var e=this.zoomScale(t.zoom);return new i(this.xLng(t.column,e),this.yLat(t.row,e))},pointCoordinate:function(t){var e=[t.x,t.y,0,1],r=[t.x,t.y,1,1];h.transformMat4(e,e,this.pixelMatrixInverse),h.transformMat4(r,r,this.pixelMatrixInverse);var n=e[3],i=r[3],a=e[0]/n,s=r[0]/i,c=e[1]/n,u=r[1]/i,f=e[2]/n,d=r[2]/i,p=f===d?0:(0-f)/(d-f),m=this.worldSize/this.zoomScale(this.tileZoom);return new o(l(a,s,p)/m,l(c,u,p)/m,this.tileZoom)},coordinatePoint:function(t){var e=this.worldSize/this.zoomScale(t.zoom),r=[t.column*e,t.row*e,0,1];return h.transformMat4(r,r,this.pixelMatrix),new a(r[0]/r[3],r[1]/r[3])},calculatePosMatrix:function(t,e){void 0===e&&(e=1/0),t instanceof c&&(t=t.toCoordinate(e));var r=Math.min(t.zoom,e),n=this.worldSize/Math.pow(2,r),i=new Float64Array(16);return d.identity(i),d.translate(i,i,[t.column*n,t.row*n,0]),d.scale(i,i,[n/u,n/u,1]),d.multiply(i,this.projMatrix,i),new Float32Array(i)},_constrain:function(){if(this.center&&this.width&&this.height&&!this._constraining){this._constraining=!0;var t,e,r,n,i,o,s,l,c=this.size,u=this._unmodified;this.latRange&&(t=this.latY(this.latRange[1]),i=(e=this.latY(this.latRange[0]))-te&&(l=e-d)}if(this.lngRange){var p=this.x,m=c.x/2;p-mn&&(s=n-m)}void 0===s&&void 0===l||(this.center=this.unproject(new a(void 0!==s?s:this.x,void 0!==l?l:this.y))),this._unmodified=u,this._constraining=!1}},_calcMatrices:function(){if(this.height){var t=Math.atan(.5/this.altitude),e=Math.sin(t)*this.altitude/Math.sin(Math.PI/2-this._pitch-t),r=Math.cos(Math.PI/2-this._pitch)*e+this.altitude,n=new Float64Array(16);if(d.perspective(n,2*Math.atan(this.height/2/this.altitude),this.width/this.height,.1,r),d.translate(n,n,[0,0,-this.altitude]),d.scale(n,n,[1,-1,1/this.height]),d.rotateX(n,n,this._pitch),d.rotateZ(n,n,this.angle),d.translate(n,n,[-this.x,-this.y,0]),this.projMatrix=n,n=d.create(),d.scale(n,n,[this.width/2,-this.height/2,1]),d.translate(n,n,[1,-1,0]),this.pixelMatrix=d.multiply(new Float64Array(16),n,this.projMatrix),!(n=d.invert(new Float64Array(16),this.pixelMatrix)))throw new Error("failed to invert matrix");this.pixelMatrixInverse=n}}}},{"../data/bucket":320,"../source/tile_coord":360,"../util/interpolate":427,"../util/util":433,"./coordinate":329,"./lng_lat":330,"gl-matrix":198,"point-geometry":477}],333:[function(t,e,r){"use strict";var n={" 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a,o,s,l,c,u,f,h,d=[];for(a=0,o=t.length;a>16,_>>16),s.uniform2f(o.u_pixel_coord_lower,65535&b,65535&_)}s.uniformMatrix4fv(o.u_matrix,!1,t.transform.calculatePosMatrix(v)),s.drawArrays(s.TRIANGLE_STRIP,0,t.tileExtentBuffer.length)}s.stencilMask(0),s.stencilFunc(s.EQUAL,128,128)}},{"../source/pixels_to_tile_units":354,"./create_uniform_pragmas":335}],337:[function(t,e,r){"use strict";var n=t("../util/browser");e.exports=function(t,e,r,i){if(!t.isOpaquePass){var a=t.gl;t.setDepthSublayer(0),t.depthMask(!1),a.disable(a.STENCIL_TEST);for(var o=0;o>16,h>>16),s.uniform2f(o.u_pixel_coord_lower,65535&f,65535&h),s.activeTexture(s.TEXTURE0),a.spriteAtlas.bind(s,!0)}}var i=t("../source/pixels_to_tile_units");e.exports=function(t,e,r,i){var a=t.gl;a.enable(a.STENCIL_TEST);var o;if(o=!r.paint["fill-pattern"]&&r.isPaintValueFeatureConstant("fill-color")&&r.isPaintValueFeatureConstant("fill-opacity")&&1===r.paint["fill-color"][3]&&1===r.paint["fill-opacity"],t.isOpaquePass===o){t.setDepthSublayer(1);for(var s=0;s0?1-1/(1.001-t):-t}(r.paint["raster-saturation"])),a.uniform1f(l.u_contrast_factor,function(t){return t>0?1/(1-t):1+t}(r.paint["raster-contrast"])),a.uniform3fv(l.u_spin_weights,function(t){t*=Math.PI/180;var e=Math.sin(t),r=Math.cos(t);return[(2*r+1)/3,(-Math.sqrt(3)*e-r+1)/3,(Math.sqrt(3)*e-r+1)/3]}(r.paint["raster-hue-rotate"]));var c,u,f=o.source&&o.source.findLoadedParent(n,0,{}),h=function(t,e,r,n){var a=[1,0],o=r.paint["raster-fade-duration"];if(t.source&&o>0){var s=(new Date).getTime(),l=(s-t.timeAdded)/o,c=e?(s-e.timeAdded)/o:-1,u=n.coveringZoomLevel(t.source),f=!!e&&Math.abs(e.coord.z-u)>Math.abs(t.coord.z-u);!e||f?(a[0]=i.clamp(l,0,1),a[1]=1-a[0]):(a[0]=i.clamp(1-c,0,1),a[1]=1-a[0])}var h=r.paint["raster-opacity"];return a[0]*=h,a[1]*=h,a}(o,f,r,t.transform);a.activeTexture(a.TEXTURE0),a.bindTexture(a.TEXTURE_2D,o.texture),a.activeTexture(a.TEXTURE1),f?(a.bindTexture(a.TEXTURE_2D,f.texture),c=Math.pow(2,f.coord.z-o.coord.z),u=[o.coord.x*c%1,o.coord.y*c%1]):(a.bindTexture(a.TEXTURE_2D,o.texture),h[1]=0);a.uniform2fv(l.u_tl_parent,u||[0,0]),a.uniform1f(l.u_scale_parent,c||1),a.uniform1f(l.u_buffer_scale,1),a.uniform1f(l.u_opacity0,h[0]),a.uniform1f(l.u_opacity1,h[1]),a.uniform1i(l.u_image0,0),a.uniform1i(l.u_image1,1);var d=o.boundsBuffer||t.rasterBoundsBuffer;(o.boundsVAO||t.rasterBoundsVAO).bind(a,l,d),a.drawArrays(a.TRIANGLE_STRIP,0,d.length)}(t,e,r,l)}a.depthFunc(a.LEQUAL)}}var i=t("../util/util"),a=t("../util/struct_array");e.exports=n,n.RasterBoundsArray=new a({members:[{name:"a_pos",type:"Int16",components:2},{name:"a_texture_pos",type:"Int16",components:2}]})},{"../util/struct_array":431,"../util/util":433}],343:[function(t,e,r){"use strict";function n(t,e,r,n,a,s,l,c,u,f,h,d,p,m,g){for(var v=0;vthis.previousZoom;r--)this.changeTimes[r]=e,this.changeOpacities[r]=this.opacities[r];for(r=0;r<256;r++){var n=(e-this.changeTimes[r])/this.fadeDuration*255;this.opacities[r]=r<=t?this.changeOpacities[r]+n:this.changeOpacities[r]-n}this.changed=!0,this.previousZoom=t},n.prototype.bind=function(t){this.texture?(t.bindTexture(t.TEXTURE_2D,this.texture),this.changed&&(t.texSubImage2D(t.TEXTURE_2D,0,0,0,256,1,t.ALPHA,t.UNSIGNED_BYTE,this.array),this.changed=!1)):(this.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texImage2D(t.TEXTURE_2D,0,t.ALPHA,256,1,0,t.ALPHA,t.UNSIGNED_BYTE,this.array))}},{}],345:[function(t,e,r){"use strict";function n(t,e){this.width=t,this.height=e,this.nextRow=0,this.bytes=4,this.data=new Uint8Array(this.width*this.height*this.bytes),this.positions={}}var i=t("../util/util");e.exports=n,n.prototype.setSprite=function(t){this.sprite=t},n.prototype.getDash=function(t,e){var r=t.join(",")+e;return this.positions[r]||(this.positions[r]=this.addDash(t,e)),this.positions[r]},n.prototype.addDash=function(t,e){var r=e?7:0,n=2*r+1;if(this.nextRow+n>this.height)return i.warnOnce("LineAtlas out of space"),null;for(var a=0,o=0;o0?e.pop():null},n.prototype.lineWidth=function(t){this.gl.lineWidth(u.clamp(t,this.lineWidthRange[0],this.lineWidthRange[1]))},n.prototype.showOverdrawInspector=function(t){if(t||this._showOverdrawInspector){this._showOverdrawInspector=t;var e=this.gl;if(t){e.blendFunc(e.CONSTANT_COLOR,e.ONE);e.blendColor(1/8,1/8,1/8,0),e.clearColor(0,0,0,1),e.clear(e.COLOR_BUFFER_BIT)}else e.blendFunc(e.ONE,e.ONE_MINUS_SRC_ALPHA)}}},{"../data/bucket":320,"../data/buffer":325,"../source/pixels_to_tile_units":354,"../source/source_cache":358,"../util/browser":417,"../util/struct_array":431,"../util/util":433,"./create_uniform_pragmas":335,"./draw_background":336,"./draw_circle":337,"./draw_debug":339,"./draw_fill":340,"./draw_line":341,"./draw_raster":342,"./draw_symbol":343,"./frame_history":344,"./painter/use_program":347,"./vertex_array_object":348,"gl-matrix":198}],347:[function(t,e,r){"use strict";function n(t,e){return t.replace(/#pragma mapbox: ([\w]+) ([\w]+) ([\w]+) ([\w]+)/g,function(t,r,n,i,a){return e[r][a].replace(/{type}/g,i).replace(/{precision}/g,n)})}var i=t("assert"),a=t("../../util/util"),o=t("mapbox-gl-shaders"),s=o.util;e.exports._createProgram=function(t,e,r,l){for(var c=this.gl,u=c.createProgram(),f=o[t],h="#define MAPBOX_GL_JS;\n",d=0;dthis.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,n={type:this.type,uid:t.uid,coord:t.coord,zoom:t.coord.z,maxZoom:this.maxzoom,tileSize:this.tileSize,source:this.id,overscaling:r,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID=this.dispatcher.send("load tile",n,function(r,n){if(t.unloadVectorData(this.map.painter),!t.aborted)return r?e(r):(t.loadVectorData(n,this.map.style),t.redoWhenDone&&(t.redoWhenDone=!1,t.redoPlacement(this)),e(null))}.bind(this),this.workerID)},abortTile:function(t){t.aborted=!0},unloadTile:function(t){t.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},function(){},t.workerID)},serialize:function(){return{type:this.type,data:this._data}}})},{"../data/bucket":320,"../util/evented":425,"../util/util":433,"resolve-url":508}],350:[function(t,e,r){"use strict";function n(t,e,r){r&&(this.loadGeoJSON=r),f.call(this,t,e)}var i=t("../util/util"),a=t("../util/ajax"),o=t("geojson-rewind"),s=t("./geojson_wrapper"),l=t("vt-pbf"),c=t("supercluster"),u=t("geojson-vt"),f=t("./vector_tile_worker_source");e.exports=n,n.prototype=i.inherit(f,{_geoJSONIndexes:{},loadVectorData:function(t,e){var r=t.source,n=t.coord;if(!this._geoJSONIndexes[r])return e(null,null);var i=this._geoJSONIndexes[r].getTile(Math.min(n.z,t.maxZoom),n.x,n.y);if(!i)return e(null,null);var a=new s(i.features);a.name="_geojsonTileLayer";var o=l({layers:{_geojsonTileLayer:a}});0===o.byteOffset&&o.byteLength===o.buffer.byteLength||(o=new Uint8Array(o)),e(null,{tile:a,rawTileData:o.buffer})},loadData:function(t,e){var r=function(r,n){return r?e(r):"object"!=typeof n?e(new Error("Input data is not a valid GeoJSON object.")):(o(n,!0),void this._indexData(n,t,function(r,n){if(r)return e(r);this._geoJSONIndexes[t.source]=n,e(null)}.bind(this)))}.bind(this);this.loadGeoJSON(t,r)},loadGeoJSON:function(t,e){if(t.url)a.getJSON(t.url,e);else{if("string"!=typeof t.data)return e(new Error("Input data is not a valid GeoJSON object."));try{return e(null,JSON.parse(t.data))}catch(t){return e(new Error("Input data is not a valid GeoJSON object."))}}},_indexData:function(t,e,r){try{e.cluster?r(null,c(e.superclusterOptions).load(t.features)):r(null,u(t,e.geojsonVtOptions))}catch(t){return r(t)}}})},{"../util/ajax":416,"../util/util":433,"./geojson_wrapper":351,"./vector_tile_worker_source":362,"geojson-rewind":147,"geojson-vt":151,supercluster:538,"vt-pbf":570}],351:[function(t,e,r){"use strict";function n(t){this.features=t,this.length=t.length,this.extent=s}function i(t){if(this.type=t.type,1===t.type){this.rawGeometry=[];for(var e=0;ee)){var o=Math.pow(2,Math.min(a.coord.z,this.maxzoom)-Math.min(t.z,this.maxzoom));if(Math.floor(a.coord.x/o)===t.x&&Math.floor(a.coord.y/o)===t.y)for(r[i]=!0,n=!0;a&&a.coord.z-1>t.z;){var s=a.coord.parent(this.maxzoom).id;(a=this._tiles[s])&&a.isRenderable()&&(delete r[i],r[s]=!0)}}}return n},findLoadedParent:function(t,e,r){for(var n=t.z-1;n>=e;n--){t=t.parent(this.maxzoom);var i=this._tiles[t.id];if(i&&i.isRenderable())return r[t.id]=!0,i;if(this._cache.has(t.id))return this.addTile(t),r[t.id]=!0,this._tiles[t.id]}},updateCacheSize:function(t){var e=(Math.ceil(t.width/t.tileSize)+1)*(Math.ceil(t.height/t.tileSize)+1);this._cache.setMaxSize(Math.floor(5*e))},update:function(t,e){if(this._sourceLoaded){var r,i,a;this.updateCacheSize(t);var o=(this.roundZoom?Math.round:Math.floor)(this.getZoom(t)),s=Math.max(o-n.maxOverzooming,this.minzoom),l=Math.max(o+n.maxUnderzooming,this.minzoom),u={},f=(new Date).getTime();this._coveredTiles={};var d=this.used?t.coveringTiles(this._source):[];for(r=0;rf-(e||0)&&(this.findLoadedChildren(i,l,u)&&(u[v]=!0),this.findLoadedParent(i,s,p))}var y;for(y in p)u[y]||(this._coveredTiles[y]=!0);for(y in p)u[y]=!0;var x=h.keysDifference(this._tiles,u);for(r=0;rthis.maxzoom?Math.pow(2,n-this.maxzoom):1;e=new s(r,this.tileSize*i,this.maxzoom),this.loadTile(e,this._tileLoaded.bind(this,e))}return e.uses++,this._tiles[t.id]=e,this.fire("tile.add",{tile:e}),this._source.fire("tile.add",{tile:e}),e},removeTile:function(t){var e=this._tiles[t];e&&(e.uses--,delete this._tiles[t],this.fire("tile.remove",{tile:e}),this._source.fire("tile.remove",{tile:e}),e.uses>0||(e.isRenderable()?this._cache.add(e.coord.wrapped().id,e):(e.aborted=!0,this.abortTile(e),this.unloadTile(e))))},clearTiles:function(){for(var t in this._tiles)this.removeTile(t);this._cache.reset()},tilesIn:function(t){for(var e={},r=this.getIds(),n=1/0,a=1/0,o=-1/0,s=-1/0,l=t[0].zoom,u=0;u=0&&v[1].y>=0){for(var y=[],x=0;x=0&&t%1==0),s(!isNaN(e)&&e>=0&&e%1==0),s(!isNaN(r)&&r>=0&&r%1==0),isNaN(n)&&(n=0),this.z=+t,this.x=+e,this.y=+r,this.w=+n,(n*=2)<0&&(n=-1*n-1);var i=1<e.row){var r=t;t=e,e=r}return{x0:t.column,y0:t.row,x1:e.column,y1:e.row,dx:e.column-t.column,dy:e.row-t.row}}function a(t,e,r,n,i){var a=Math.max(r,Math.floor(e.y0)),o=Math.min(n,Math.ceil(e.y1));if(t.x0===e.x0&&t.y0===e.y0?t.x0+e.dy/t.dy*t.dx0,f=e.dx<0,h=a;hu.dy&&(l=c,c=u,u=l),c.dy>f.dy&&(l=c,c=f,f=l),u.dy>f.dy&&(l=u,u=f,f=l),c.dy&&a(f,c,n,o,s),u.dy&&a(f,u,n,o,s)}var s=t("assert"),l=t("whoots-js"),c=t("../geo/coordinate");e.exports=n,n.prototype.toString=function(){return this.z+"/"+this.x+"/"+this.y},n.prototype.toCoordinate=function(t){var e=Math.min(this.z,t),r=Math.pow(2,e),n=this.y,i=this.x+r*this.w;return new c(i,n,e)},n.fromID=function(t){var e=t%32,r=1<0;a--)i+=(e&(n=1<t?new n(this.z-1,this.x,this.y,this.w):new n(this.z-1,Math.floor(this.x/2),Math.floor(this.y/2),this.w)},n.prototype.wrapped=function(){return new n(this.z,this.x,this.y,0)},n.prototype.children=function(t){if(this.z>=t)return[new n(this.z+1,this.x,this.y,this.w)];var e=this.z+1,r=2*this.x,i=2*this.y;return[new n(e,r,i,this.w),new n(e,r+1,i,this.w),new n(e,r,i+1,this.w),new n(e,r+1,i+1,this.w)]},n.cover=function(t,e,r){function i(t,e,i){var o,l;if(i>=0&&i<=a)for(o=t;othis.maxzoom?Math.pow(2,t.coord.z-this.maxzoom):1,i={url:s(t.coord.url(this.tiles,this.maxzoom,this.scheme),this.url),uid:t.uid,coord:t.coord,zoom:t.coord.z,tileSize:this.tileSize*n,source:this.id,overscaling:n,angle:this.map.transform.angle,pitch:this.map.transform.pitch,showCollisionBoxes:this.map.showCollisionBoxes};t.workerID?"loading"===t.state?t.reloadCallback=e:(i.rawTileData=t.rawTileData,this.dispatcher.send("reload tile",i,r.bind(this),t.workerID)):t.workerID=this.dispatcher.send("load tile",i,r.bind(this))},abortTile:function(t){this.dispatcher.send("abort tile",{uid:t.uid,source:this.id},null,t.workerID)},unloadTile:function(t){t.unloadVectorData(this.map.painter),this.dispatcher.send("remove tile",{uid:t.uid,source:this.id},null,t.workerID)}})},{"../util/evented":425,"../util/mapbox":430,"../util/util":433,"./load_tilejson":353}],362:[function(t,e,r){"use strict";function n(t,e,r){this.actor=t,this.styleLayers=e,r&&(this.loadVectorData=r),this.loading={},this.loaded={}}var i=t("../util/ajax"),a=t("vector-tile"),o=t("pbf"),s=t("./worker_tile");e.exports=n,n.prototype={loadTile:function(t,e){var r=t.source,n=t.uid;this.loading[r]||(this.loading[r]={});var i=this.loading[r][n]=new s(t);i.abort=this.loadVectorData(t,function(t,a){return delete this.loading[r][n],t?e(t):a?(i.data=a.tile,i.parse(i.data,this.styleLayers.getLayerFamilies(),this.actor,a.rawTileData,e),this.loaded[r]=this.loaded[r]||{},void(this.loaded[r][n]=i)):e(null,null)}.bind(this))},reloadTile:function(t,e){var r=this.loaded[t.source],n=t.uid;if(r&&r[n]){var i=r[n];i.parse(i.data,this.styleLayers.getLayerFamilies(),this.actor,t.rawTileData,e)}},abortTile:function(t){var e=this.loading[t.source],r=t.uid;e&&e[r]&&e[r].abort&&(e[r].abort(),delete e[r])},removeTile:function(t){var e=this.loaded[t.source],r=t.uid;e&&e[r]&&delete e[r]},loadVectorData:function(t,e){var r=i.getArrayBuffer(t.url,function(t,r){if(t)return e(t);var n=new a.VectorTile(new o(new Uint8Array(r)));e(t,{tile:n,rawTileData:r})}.bind(this));return function(){r.abort()}},redoPlacement:function(t,e){var r=this.loaded[t.source],n=this.loading[t.source],i=t.uid;if(r&&r[i]){var a=r[i].redoPlacement(t.angle,t.pitch,t.showCollisionBoxes);a.result&&e(null,a.result,a.transferables)}else n&&n[i]&&(n[i].angle=t.angle)}}},{"../util/ajax":416,"./worker_tile":365,pbf:470,"vector-tile":564}],363:[function(t,e,r){"use strict";function n(t,e){this.id=t,this.urls=e.urls,this.coordinates=e.coordinates,c.getVideo(e.urls,function(t,r){if(t)return this.fire("error",{error:t});this.video=r,this.video.loop=!0;var n;this.video.addEventListener("playing",function(){n=this.map.style.animationLoop.set(1/0),this.map._rerender()}.bind(this)),this.video.addEventListener("pause",function(){this.map.style.animationLoop.cancel(n)}.bind(this)),this.map&&(this.video.play(),this.setCoordinates(e.coordinates)),this.fire("load")}.bind(this))}var i=t("../util/util"),a=t("./tile_coord"),o=t("../geo/lng_lat"),s=t("point-geometry"),l=t("../util/evented"),c=t("../util/ajax"),u=t("../data/bucket").EXTENT,f=t("../render/draw_raster").RasterBoundsArray,h=t("../data/buffer"),d=t("../render/vertex_array_object");e.exports=n,n.prototype=i.inherit(l,{minzoom:0,maxzoom:22,tileSize:512,roundZoom:!0,getVideo:function(){return this.video},onAdd:function(t){this.map||(this.map=t,this.video&&(this.video.play(),this.setCoordinates(this.coordinates)))},setCoordinates:function(t){this.coordinates=t;var e=this.map,r=t.map(function(t){return e.transform.locationCoordinate(o.convert(t)).zoomTo(0)}),n=this.centerCoord=i.getCoordinatesCenter(r);return n.column=Math.round(n.column),n.row=Math.round(n.row),this.minzoom=this.maxzoom=n.zoom,this._coord=new a(n.zoom,n.column,n.row),this._tileCoords=r.map(function(t){var e=t.zoomTo(n.zoom);return new s(Math.round((e.column-n.column)*u),Math.round((e.row-n.row)*u))}),this.fire("change"),this},_setTile:function(t){this._prepared=!1,this.tile=t;var e=new f;e.emplaceBack(this._tileCoords[0].x,this._tileCoords[0].y,0,0),e.emplaceBack(this._tileCoords[1].x,this._tileCoords[1].y,32767,0),e.emplaceBack(this._tileCoords[3].x,this._tileCoords[3].y,0,32767),e.emplaceBack(this._tileCoords[2].x,this._tileCoords[2].y,32767,32767),this.tile.buckets={},this.tile.boundsBuffer=new h(e.serialize(),f.serialize(),h.BufferType.VERTEX),this.tile.boundsVAO=new d,this.tile.state="loaded"},prepare:function(){if(!(this.video.readyState<2)&&this.tile){var t=this.map.painter.gl;this._prepared?(t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texSubImage2D(t.TEXTURE_2D,0,0,0,t.RGBA,t.UNSIGNED_BYTE,this.video)):(this._prepared=!0,this.tile.texture=t.createTexture(),t.bindTexture(t.TEXTURE_2D,this.tile.texture),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,this.video)),this._currentTime=this.video.currentTime}},loadTile:function(t,e){this._coord&&this._coord.toString()===t.coord.toString()?(this._setTile(t),e(null)):(t.state="errored",e(null))},serialize:function(){return{type:"video",urls:this.urls,coordinates:this.coordinates}}})},{"../data/bucket":320,"../data/buffer":325,"../geo/lng_lat":330,"../render/draw_raster":342,"../render/vertex_array_object":348,"../util/ajax":416,"../util/evented":425,"../util/util":433,"./tile_coord":360,"point-geometry":477}],364:[function(t,e,r){"use strict";function n(t){this.self=t,this.actor=new a(t,this);var e={getLayers:function(){return this.layers}.bind(this),getLayerFamilies:function(){return this.layerFamilies}.bind(this)};this.workerSources={vector:new l(this.actor,e),geojson:new c(this.actor,e)},this.self.registerWorkerSource=function(t,r){if(this.workerSources[t])throw new Error('Worker source with name "'+t+'" already registered.');this.workerSources[t]=new r(this.actor,e)}.bind(this)}function i(t){var e={};for(var r in t){var n=t[r],i=n.ref||n.id,a=t[i];a.layout&&"none"===a.layout.visibility||(e[i]=e[i]||[],r===i?e[i].unshift(n):e[i].push(n))}return e}var a=t("../util/actor"),o=t("../style/style_layer"),s=t("../util/util"),l=t("./vector_tile_worker_source"),c=t("./geojson_worker_source");e.exports=function(t){return new n(t)},s.extend(n.prototype,{"set layers":function(t){function e(t){var e=o.create(t,t.ref&&r.layers[t.ref]);e.updatePaintTransitions({},{transition:!1}),r.layers[e.id]=e}this.layers={};for(var r=this,n=[],a=0;a=0;e--)x(E,P[e]);b()}}function x(t,e){if(e.populateArrays(A,N,R),"symbol"!==e.type)for(var r=0;r=w.maxzoom||w.layout&&"none"===w.layout.visibility||t.layers&&!t.layers[w.sourceLayer]||((k=u.create({layer:w,index:z++,childLayers:e[D],zoom:this.zoom,overscaling:this.overscaling,showCollisionBoxes:this.showCollisionBoxes,collisionBoxArray:this.collisionBoxArray,symbolQuadsArray:this.symbolQuadsArray,symbolInstancesArray:this.symbolInstancesArray,sourceLayerIndex:S.encode(w.sourceLayer||"_geojsonTileLayer")})).createFilter(),L[w.id]=k,t.layers&&(C[M=w.sourceLayer]=C[M]||{},C[M][w.id]=k)));if(t.layers)for(M in C)1===w.version&&d.warnOnce('Vector tile source "'+this.source+'" layer "'+M+'" does not use vector tile spec v2 and therefore may have some rendering errors.'),(w=t.layers[M])&&v(w,C[M]);else v(t,L);var I=[],P=this.symbolBuckets=[],O=[];T.bucketLayerIDs={};for(var F in L)0!==(k=L[F]).features.length&&(T.bucketLayerIDs[k.index]=k.childLayers.map(s),I.push(k),"symbol"===k.type?P.push(k):O.push(k));var R={},N={},j=0;if(P.length>0){for(_=P.length-1;_>=0;_--)P[_].updateIcons(R),P[_].updateFont(N);for(var B in N)N[B]=Object.keys(N[B]).map(Number);R=Object.keys(R),r.send("get glyphs",{uid:this.uid,stacks:N},function(t,e){N=e,y(t)}),R.length?r.send("get icons",{icons:R},function(t,e){R=e,y(t)}):y()}for(_=O.length-1;_>=0;_--)x(0,O[_]);if(0===P.length)return b()},n.prototype.redoPlacement=function(t,e,r){if("done"!==this.status)return this.redoPlacementAfterDone=!0,this.angle=t,{};for(var n=new c(t,e,this.collisionBoxArray),s=this.symbolBuckets,l=s.length-1;l>=0;l--)s[l].placeFeatures(n,r);var u=n.serialize(),f=s.filter(i);return{result:{buckets:f.map(a),collisionTile:u.data},transferables:o(f).concat(u.transferables)}}},{"../data/bucket":320,"../data/feature_index":327,"../symbol/collision_box":385,"../symbol/collision_tile":387,"../symbol/symbol_instances":396,"../symbol/symbol_quads":397,"../util/dictionary_coder":423,"../util/util":433}],366:[function(t,e,r){"use strict";function n(){this.n=0,this.times=[]}e.exports=n,n.prototype.stopped=function(){return this.times=this.times.filter(function(t){return t.time>=(new Date).getTime()}),!this.times.length},n.prototype.set=function(t){return this.times.push({id:this.n,time:t+(new Date).getTime()}),this.n++},n.prototype.cancel=function(t){this.times=this.times.filter(function(e){return e.id!==t})}},{}],367:[function(t,e,r){"use strict";function n(t){this.base=t,this.retina=s.devicePixelRatio>1;var e=this.retina?"@2x":"";o.getJSON(l(t,e,".json"),function(t,e){t?this.fire("error",{error:t}):(this.data=e,this.img&&this.fire("load"))}.bind(this)),o.getImage(l(t,e,".png"),function(t,e){if(t)this.fire("error",{error:t});else{for(var r=e.getData(),n=e.data=new Uint8Array(r.length),i=0;i1!==this.retina){var t=new n(this.base);t.on("load",function(){this.img=t.img,this.data=t.data,this.retina=t.retina}.bind(this))}},i.prototype={x:0,y:0,width:0,height:0,pixelRatio:1,sdf:!1},n.prototype.getSpritePosition=function(t){if(!this.loaded())return new i;var e=this.data&&this.data[t];return e&&this.img?e:new i}},{"../util/ajax":416,"../util/browser":417,"../util/evented":425,"../util/mapbox":430}],368:[function(t,e,r){"use strict";var n=t("csscolorparser").parseCSSColor,i=t("../util/util"),a=t("./style_function"),o={};e.exports=function t(e){if(a.isFunctionDefinition(e))return i.extend({},e,{stops:e.stops.map(function(e){return[e[0],t(e[1])]})});if("string"==typeof e){if(!o[e]){var r=n(e);if(!r)throw new Error("Invalid color "+e);o[e]=[r[0]/255*r[3],r[1]/255*r[3],r[2]/255*r[3],r[3]]}return o[e]}throw new Error("Invalid color "+e)}},{"../util/util":433,"./style_function":371,csscolorparser:114}],369:[function(t,e,r){"use strict";function n(t,e,r){this.animationLoop=e||new m,this.dispatcher=new p(r||1,this),this.spriteAtlas=new l(1024,1024),this.lineAtlas=new c(256,512),this._layers={},this._order=[],this._groups=[],this.sources={},this.zoomHistory={},u.bindAll(["_forwardSourceEvent","_forwardTileEvent","_forwardLayerEvent","_redoPlacement"],this),this._resetUpdates();var n=function(t,e){if(t)this.fire("error",{error:t});else if(!g.emitErrors(this,g(e))){this._loaded=!0,this.stylesheet=e,this.updateClasses();var r=e.sources;for(var n in r)this.addSource(n,r[n]);e.sprite&&(this.sprite=new o(e.sprite),this.sprite.on("load",this.fire.bind(this,"change"))),this.glyphSource=new s(e.glyphs),this._resolve(),this.fire("load")}}.bind(this);"string"==typeof t?f.getJSON(h(t),n):d.frame(n.bind(this,null,t)),this.on("source.load",function(t){var e=t.source;if(e&&e.vectorLayerIds)for(var r in this._layers){var n=this._layers[r];n.source===e.id&&this._validateLayer(n)}})}var i=t("../util/evented"),a=t("./style_layer"),o=t("./image_sprite"),s=t("../symbol/glyph_source"),l=t("../symbol/sprite_atlas"),c=t("../render/line_atlas"),u=t("../util/util"),f=t("../util/ajax"),h=t("../util/mapbox").normalizeStyleURL,d=t("../util/browser"),p=t("../util/dispatcher"),m=t("./animation_loop"),g=t("./validate_style"),v=t("../source/source"),y=t("../source/query_features"),x=t("../source/source_cache"),b=t("./style_spec"),_=t("./style_function");e.exports=n,n.prototype=u.inherit(i,{_loaded:!1,_validateLayer:function(t){var e=this.sources[t.source];t.sourceLayer&&e&&e.vectorLayerIds&&-1===e.vectorLayerIds.indexOf(t.sourceLayer)&&this.fire("error",{error:new Error('Source layer "'+t.sourceLayer+'" does not exist on source "'+e.id+'" as specified by style layer "'+t.id+'"')})},loaded:function(){if(!this._loaded)return!1;if(Object.keys(this._updates.sources).length)return!1;for(var t in this.sources)if(!this.sources[t].loaded())return!1;return!(this.sprite&&!this.sprite.loaded())},_resolve:function(){var t,e;this._layers={},this._order=this.stylesheet.layers.map(function(t){return t.id});for(var r=0;rMath.floor(t)&&(e.lastIntegerZoom=Math.floor(t+1),e.lastIntegerZoomTime=Date.now()),e.lastZoom=t},_checkLoaded:function(){if(!this._loaded)throw new Error("Style is not done loading")},update:function(t,e){if(!this._updates.changed)return this;if(this._updates.allLayers)this._groupLayers(),this._updateWorkerLayers();else{var r=Object.keys(this._updates.layers);r.length&&this._updateWorkerLayers(r)}var n,i=Object.keys(this._updates.sources);for(n=0;n=0&&this._handleErrors(g.source,"sources."+t,e)?this:(e=new x(t,e,this.dispatcher),this.sources[t]=e,e.style=this,e.on("load",this._forwardSourceEvent).on("error",this._forwardSourceEvent).on("change",this._forwardSourceEvent).on("tile.add",this._forwardTileEvent).on("tile.load",this._forwardTileEvent).on("tile.error",this._forwardTileEvent).on("tile.remove",this._forwardTileEvent).on("tile.stats",this._forwardTileEvent),this._updates.events.push(["source.add",{source:e}]),this._updates.changed=!0,this)},removeSource:function(t){if(this._checkLoaded(),void 0===this.sources[t])throw new Error("There is no source with this ID");var e=this.sources[t];return delete this.sources[t],delete this._updates.sources[t],e.off("load",this._forwardSourceEvent).off("error",this._forwardSourceEvent).off("change",this._forwardSourceEvent).off("tile.add",this._forwardTileEvent).off("tile.load",this._forwardTileEvent).off("tile.error",this._forwardTileEvent).off("tile.remove",this._forwardTileEvent).off("tile.stats",this._forwardTileEvent),this._updates.events.push(["source.remove",{source:e}]),this._updates.changed=!0,this},getSource:function(t){return this.sources[t]&&this.sources[t].getSource()},addLayer:function(t,e){if(this._checkLoaded(),!(t instanceof a)){if(this._handleErrors(g.layer,"layers."+t.id,t,!1,{arrayIndex:-1}))return this;var r=t.ref&&this.getLayer(t.ref);t=a.create(t,r)}return this._validateLayer(t),t.on("error",this._forwardLayerEvent),this._layers[t.id]=t,this._order.splice(e?this._order.indexOf(e):1/0,0,t.id),this._updates.allLayers=!0,t.source&&(this._updates.sources[t.source]=!0),this._updates.events.push(["layer.add",{layer:t}]),this.updateClasses(t.id)},removeLayer:function(t){this._checkLoaded();var e=this._layers[t];if(void 0===e)throw new Error("There is no layer with this ID");for(var r in this._layers)this._layers[r].ref===t&&this.removeLayer(r);return e.off("error",this._forwardLayerEvent),delete this._layers[t],delete this._updates.layers[t],delete this._updates.paintProps[t],this._order.splice(this._order.indexOf(t),1),this._updates.allLayers=!0,this._updates.events.push(["layer.remove",{layer:e}]),this._updates.changed=!0,this},getLayer:function(t){return this._layers[t]},getReferentLayer:function(t){var e=this.getLayer(t);return e.ref&&(e=this.getLayer(e.ref)),e},setLayerZoomRange:function(t,e,r){this._checkLoaded();var n=this.getReferentLayer(t);return n.minzoom===e&&n.maxzoom===r?this:(null!=e&&(n.minzoom=e),null!=r&&(n.maxzoom=r),this._updateLayer(n))},setFilter:function(t,e){this._checkLoaded();var r=this.getReferentLayer(t);return null!==e&&this._handleErrors(g.filter,"layers."+r.id+".filter",e)?this:u.deepEqual(r.filter,e)?this:(r.filter=u.clone(e),this._updateLayer(r))},getFilter:function(t){return this.getReferentLayer(t).filter},setLayoutProperty:function(t,e,r){this._checkLoaded();var n=this.getReferentLayer(t);return u.deepEqual(n.getLayoutProperty(e),r)?this:(n.setLayoutProperty(e,r),this._updateLayer(n))},getLayoutProperty:function(t,e){return this.getReferentLayer(t).getLayoutProperty(e)},setPaintProperty:function(t,e,r,n){this._checkLoaded();var i=this.getLayer(t);if(u.deepEqual(i.getPaintProperty(e,n),r))return this;var a=i.isPaintValueFeatureConstant(e);i.setPaintProperty(e,r,n);return!(r&&_.isFunctionDefinition(r)&&"$zoom"!==r.property&&void 0!==r.property)&&a||(this._updates.layers[t]=!0,i.source&&(this._updates.sources[i.source]=!0)),this.updateClasses(t,e)},getPaintProperty:function(t,e,r){return this.getLayer(t).getPaintProperty(e,r)},updateClasses:function(t,e){if(this._updates.changed=!0,t){var r=this._updates.paintProps;r[t]||(r[t]={}),r[t][e||"all"]=!0}else this._updates.allPaintProps=!0;return this},serialize:function(){return u.filterObject({version:this.stylesheet.version,name:this.stylesheet.name,metadata:this.stylesheet.metadata,center:this.stylesheet.center,zoom:this.stylesheet.zoom,bearing:this.stylesheet.bearing,pitch:this.stylesheet.pitch,sprite:this.stylesheet.sprite,glyphs:this.stylesheet.glyphs,transition:this.stylesheet.transition,sources:u.mapObject(this.sources,function(t){return t.serialize()}),layers:this._order.map(function(t){return this._layers[t].serialize()},this)},function(t){return void 0!==t})},_updateLayer:function(t){return this._updates.layers[t.id]=!0,t.source&&(this._updates.sources[t.source]=!0),this._updates.changed=!0,this},_flattenRenderedFeatures:function(t){for(var e=[],r=this._order.length-1;r>=0;r--)for(var n=this._order[r],i=0;is.lastIntegerZoom?(n=c+(1-c)*u,f*=2,i=t({zoom:o-1},r),a=t({zoom:o},r)):(n=1-(1-u)*c,a=t({zoom:o},r),i=t({zoom:o+1},r),f/=2),void 0===i||void 0===a?void 0:{from:i,fromScale:f,to:a,toScale:1,t:n}}}(this.calculate)),!this.isFeatureConstant&&!this.isZoomConstant){this.stopZoomLevels=[];for(var o=[],s=this.value.stops,l=0;l=this.maxzoom)||("none"===this.layout.visibility||0===this.paint[this.type+"-opacity"]))},updatePaintTransitions:function(t,e,r,n){for(var i=a.extend({},this._paintDeclarations[""]),o=0;o-r/2;){if(--o<0)return!1;s-=t[o].dist(a),a=t[o]}s+=t[o].dist(t[o+1]),o++;for(var l=[],c=0;sn;)c-=l.shift().angleDelta;if(c>i)return!1;o++,s+=f.dist(h)}return!0}},{}],384:[function(t,e,r){"use strict";var n=t("point-geometry");e.exports=function(t,e,r,i,a){for(var o=[],s=0;s=i&&h.x>=i||(f.x>=i?f=new n(i,f.y+(h.y-f.y)*((i-f.x)/(h.x-f.x)))._round():h.x>=i&&(h=new n(i,f.y+(h.y-f.y)*((i-f.x)/(h.x-f.x)))._round()),f.y>=a&&h.y>=a||(f.y>=a?f=new n(f.x+(h.x-f.x)*((a-f.y)/(h.y-f.y)),a)._round():h.y>=a&&(h=new n(f.x+(h.x-f.x)*((a-f.y)/(h.y-f.y)),a)._round()),l&&f.equals(l[l.length-1])||(l=[f],o.push(l)),l.push(h)))))}return o}},{"point-geometry":477}],385:[function(t,e,r){"use strict";var n=t("../util/struct_array"),i=t("../util/util"),a=t("point-geometry"),o=e.exports=new n({members:[{type:"Int16",name:"anchorPointX"},{type:"Int16",name:"anchorPointY"},{type:"Int16",name:"x1"},{type:"Int16",name:"y1"},{type:"Int16",name:"x2"},{type:"Int16",name:"y2"},{type:"Float32",name:"maxScale"},{type:"Uint32",name:"featureIndex"},{type:"Uint16",name:"sourceLayerIndex"},{type:"Uint16",name:"bucketIndex"},{type:"Int16",name:"bbox0"},{type:"Int16",name:"bbox1"},{type:"Int16",name:"bbox2"},{type:"Int16",name:"bbox3"},{type:"Float32",name:"placementScale"}]});i.extendAll(o.prototype.StructType.prototype,{get anchorPoint(){return new a(this.anchorPointX,this.anchorPointY)}})},{"../util/struct_array":431,"../util/util":433,"point-geometry":477}],386:[function(t,e,r){"use strict";function n(t,e,r,n,i,a,o,s,l,c,u){var f=o.top*s-l,h=o.bottom*s+l,d=o.left*s-l,p=o.right*s+l;if(this.boxStartIndex=t.length,c){var m=h-f,g=p-d;if(m>0)if(m=Math.max(10*s,m),u){var v=e[r.segment+1].sub(e[r.segment])._unit()._mult(g),y=[r.sub(v),r.add(v)];this._addLineCollisionBoxes(t,y,r,0,g,m,n,i,a)}else this._addLineCollisionBoxes(t,e,r,r.segment,g,m,n,i,a)}else t.emplaceBack(r.x,r.y,d,f,p,h,1/0,n,i,a,0,0,0,0,0);this.boxEndIndex=t.length}e.exports=n,n.prototype._addLineCollisionBoxes=function(t,e,r,n,i,a,o,s,l){var c=a/2,u=Math.floor(i/c),f=-a/2,h=this.boxes,d=r,p=n+1,m=f;do{if(--p<0)return h;m-=e[p].dist(d),d=e[p]}while(m>-i/2);for(var g=e[p].dist(e[p+1]),v=0;v=e.length)return h;g=e[p].dist(e[p+1])}var x=y-m,b=e[p],_=e[p+1].sub(b)._unit()._mult(x)._add(b)._round(),w=i/2/Math.max(Math.abs(y-f)-c/2,0);t.emplaceBack(_.x,_.y,-a/2,-a/2,a/2,a/2,w,o,s,l,0,0,0,0,0)}return h}},{}],387:[function(t,e,r){"use strict";function n(t,e,r){if("object"==typeof t){var n=t;r=e,t=n.angle,e=n.pitch,this.grid=new o(n.grid),this.ignoredGrid=new o(n.ignoredGrid)}else this.grid=new o(a,12,6),this.ignoredGrid=new o(a,12,0);this.angle=t,this.pitch=e;var i=Math.sin(t),s=Math.cos(t);if(this.rotationMatrix=[s,-i,i,s],this.reverseRotationMatrix=[s,i,-i,s],this.yStretch=1/Math.cos(e/180*Math.PI),this.yStretch=Math.pow(this.yStretch,1.3),this.collisionBoxArray=r,0===r.length){r.emplaceBack();r.emplaceBack(0,0,0,-32767,0,32767,32767,0,0,0,0,0,0,0,0,0),r.emplaceBack(a,0,0,-32767,0,32767,32767,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,0,-32767,0,32767,0,32767,0,0,0,0,0,0,0,0,0),r.emplaceBack(0,a,-32767,0,32767,0,32767,0,0,0,0,0,0,0,0,0)}this.tempCollisionBox=r.get(0),this.edges=[r.get(1),r.get(2),r.get(3),r.get(4)]}var i=t("point-geometry"),a=t("../data/bucket").EXTENT,o=t("grid-index");e.exports=n,n.prototype.serialize=function(){var t={angle:this.angle,pitch:this.pitch,grid:this.grid.toArrayBuffer(),ignoredGrid:this.ignoredGrid.toArrayBuffer()};return{data:t,transferables:[t.grid,t.ignoredGrid]}},n.prototype.minScale=.25,n.prototype.maxScale=2,n.prototype.placeCollisionFeature=function(t,e,r){for(var n=this.collisionBoxArray,a=this.minScale,o=this.rotationMatrix,s=this.yStretch,l=t.boxStartIndex;l=this.maxScale)return a}if(r){var _;if(this.angle){var w=this.reverseRotationMatrix,M=new i(c.x1,c.y1).matMult(w),k=new i(c.x2,c.y1).matMult(w),A=new i(c.x1,c.y2).matMult(w),T=new i(c.x2,c.y2).matMult(w);(_=this.tempCollisionBox).anchorPointX=c.anchorPoint.x,_.anchorPointY=c.anchorPoint.y,_.x1=Math.min(M.x,k.x,A.x,T.x),_.y1=Math.min(M.y,k.x,A.x,T.x),_.x2=Math.max(M.x,k.x,A.x,T.x),_.y2=Math.max(M.y,k.x,A.x,T.x),_.maxScale=c.maxScale}else _=c;for(var S=0;S=this.maxScale)return a}}}return a},n.prototype.queryRenderedSymbols=function(t,e,r,n,a){var o={},s=[],l=this.collisionBoxArray,c=this.rotationMatrix,u=new i(t,e)._matMult(c),f=this.tempCollisionBox;f.anchorX=u.x,f.anchorY=u.y,f.x1=0,f.y1=0,f.x2=r-t,f.y2=n-e,f.maxScale=a,a=f.maxScale;for(var h=[u.x+f.x1/a,u.y+f.y1/a*this.yStretch,u.x+f.x2/a,u.y+f.y2/a*this.yStretch],d=this.grid.query(h[0],h[1],h[2],h[3]),p=this.ignoredGrid.query(h[0],h[1],h[2],h[3]),m=0;m=a&&(o[y][x]=!0,s.push(d[g]))}}return s},n.prototype.getPlacementScale=function(t,e,r,n,i){var a=e.x-n.x,o=e.y-n.y,s=(i.x1-r.x2)/a,l=(i.x2-r.x1)/a,c=(i.y1-r.y2)*this.yStretch/o,u=(i.y2-r.y1)*this.yStretch/o;(isNaN(s)||isNaN(l))&&(s=l=1),(isNaN(c)||isNaN(u))&&(c=u=1);var f=Math.min(Math.max(s,l),Math.max(c,u)),h=i.maxScale,d=r.maxScale;return f>h&&(f=h),f>d&&(f=d),f>t&&f>=i.placementScale&&(t=f),t},n.prototype.insertCollisionFeature=function(t,e,r){for(var n=r?this.ignoredGrid:this.grid,i=this.collisionBoxArray,a=t.boxStartIndex;a=0&&A=0&&T=0&&v+d<=p){var S=new a(A,T,M,x)._round();s&&!o(t,S,c,s,l)||y.push(S)}}g+=w}return f||y.length||u||(y=n(t,g/2,r,s,l,c,u,!0,h)),y}var i=t("../util/interpolate"),a=t("../symbol/anchor"),o=t("./check_max_angle");e.exports=function(t,e,r,i,a,o,s,l,c){var u=i?.6*o*s:0,f=Math.max(i?i.right-i.left:0,a?a.right-a.left:0),h=0===t[0].x||t[0].x===c||0===t[0].y||t[0].y===c;return e-f*s=2048||e>=2048)){this.texture&&(this.gl&&this.gl.deleteTexture(this.texture),this.texture=null),this.width*=4,this.height*=4,this.bin.resize(this.width,this.height);for(var r=new ArrayBuffer(this.width*this.height),n=0;n65535)return r("glyphs > 65535 not supported");void 0===this.loading[t]&&(this.loading[t]={});var n=this.loading[t];if(n[e])n[e].push(r);else{n[e]=[r];var i=function(t,e,r,n){return n=n||"abc",r.replace("{s}",n[t.length%n.length]).replace("{fontstack}",t).replace("{range}",e)}(t,256*e+"-"+(256*e+255),this.url);o(i,function(t,r){for(var i=!t&&new s(new c(new Uint8Array(r))),a=0;an&&null!==f){var x=g[f+1].x;m=Math.max(x,m);for(var b=f+1;b<=v;b++)g[b].y+=r,g[b].x-=x;if(c){var _=f;a[g[f].codePoint]&&_--,i(g,e,d,_,c)}d=f+1,f=null,h+=x,p++}o[y.codePoint]&&(f=v)}var w=g[g.length-1],M=w.x+e[w.codePoint].advance;m=Math.max(m,M);var k=(p+1)*r;i(g,e,d,g.length-1,c),function(t,e,r,n,i,a,o,s){for(var l=(e-r)*i+s[0],c=(-n*(o+1)+.5)*a+s[1],u=0;u1?2:1,this.canvas&&(this.canvas.width=this.width*this.pixelRatio,this.canvas.height=this.height*this.pixelRatio)),this.sprite=t},n.prototype.addIcons=function(t,e){for(var r=0;r1||(f?(clearTimeout(f),f=null,o("dblclick",e)):f=setTimeout(r,300))},!1),l.addEventListener("touchend",function(t){s("touchend",t)},!1),l.addEventListener("touchmove",function(t){s("touchmove",t)},!1),l.addEventListener("touchcancel",function(t){s("touchcancel",t)},!1),l.addEventListener("click",function(t){n.mousePos(l,t).equals(u)&&o("click",t)},!1),l.addEventListener("dblclick",function(t){o("dblclick",t),t.preventDefault()},!1),l.addEventListener("contextmenu",function(t){c=t,t.preventDefault()},!1)}},{"../util/dom":419,"./handler/box_zoom":404,"./handler/dblclick_zoom":405,"./handler/drag_pan":406,"./handler/drag_rotate":407,"./handler/keyboard":408,"./handler/scroll_zoom":409,"./handler/touch_zoom_rotate":410,"point-geometry":477}],399:[function(t,e,r){"use strict";var n=t("../util/util"),i=t("../util/interpolate"),a=t("../util/browser"),o=t("../geo/lng_lat"),s=t("../geo/lng_lat_bounds"),l=t("point-geometry"),c=e.exports=function(){};n.extend(c.prototype,{getCenter:function(){return this.transform.center},setCenter:function(t,e){return this.jumpTo({center:t},e),this},panBy:function(t,e,r){return this.panTo(this.transform.center,n.extend({offset:l.convert(t).mult(-1)},e),r),this},panTo:function(t,e,r){return this.easeTo(n.extend({center:t},e),r)},getZoom:function(){return this.transform.zoom},setZoom:function(t,e){return this.jumpTo({zoom:t},e),this},zoomTo:function(t,e,r){return this.easeTo(n.extend({zoom:t},e),r)},zoomIn:function(t,e){return this.zoomTo(this.getZoom()+1,t,e),this},zoomOut:function(t,e){return this.zoomTo(this.getZoom()-1,t,e),this},getBearing:function(){return this.transform.bearing},setBearing:function(t,e){return this.jumpTo({bearing:t},e),this},rotateTo:function(t,e,r){return this.easeTo(n.extend({bearing:t},e),r)},resetNorth:function(t,e){return this.rotateTo(0,n.extend({duration:1e3},t),e),this},snapToNorth:function(t,e){return Math.abs(this.getBearing())180&&(c.center.lng>0&&p.lng<0?p.lng+=360:c.center.lng<0&&p.lng>0&&(p.lng-=360));var y=c.zoomScale(m-f),x=c.point,b="center"in t?c.project(p).sub(u.div(y)):x,_=c.worldSize,w=t.curve,M=Math.max(c.width,c.height),k=M/y,A=b.sub(x).mag();if("minZoom"in t){var T=n.clamp(Math.min(t.minZoom,f,m),c.minZoom,c.maxZoom),S=M/c.zoomScale(T-f);w=Math.sqrt(S/A*2)}var E=w*w,L=r(0),C=function(t){return s(L)/s(L+w*t)},z=function(t){return M*((s(L)*function(t){return a(t)/s(t)}(L+w*t)-a(L))/E)/A},D=(r(1)-L)/w;if(Math.abs(A)<1e-6){if(Math.abs(M-k)<1e-6)return this.easeTo(t);var I=k=0)return!1;return!0})).join(" | ")},n.prototype=o.inherit(i,{options:{position:"bottom-right"},onAdd:function(t){var e=this._container=a.create("div","mapboxgl-ctrl-attrib",t.getContainer());return this._update(),t.on("source.load",this._update.bind(this)),t.on("source.change",this._update.bind(this)),t.on("source.remove",this._update.bind(this)),t.on("moveend",this._updateEditLink.bind(this)),e},_update:function(){this._map.style&&(this._container.innerHTML=n.createAttributionString(this._map.style.sources)),this._editLink=this._container.getElementsByClassName("mapbox-improve-map")[0],this._updateEditLink()},_updateEditLink:function(){if(this._editLink){var t=this._map.getCenter();this._editLink.href="https://www.mapbox.com/map-feedback/#/"+t.lng+"/"+t.lat+"/"+Math.round(this._map.getZoom()+1)}}})},{"../../util/dom":419,"../../util/util":433,"./control":401}],401:[function(t,e,r){"use strict";function n(){}var i=t("../../util/util"),a=t("../../util/evented");e.exports=n,n.prototype={addTo:function(t){this._map=t;var e=this._container=this.onAdd(t);if(this.options&&this.options.position){var r=this.options.position,n=t._controlCorners[r];e.className+=" mapboxgl-ctrl",-1!==r.indexOf("bottom")?n.insertBefore(e,n.firstChild):n.appendChild(e)}return this},remove:function(){return this._container.parentNode.removeChild(this._container),this.onRemove&&this.onRemove(this._map),this._map=null,this}},i.extend(n.prototype,a)},{"../../util/evented":425,"../../util/util":433}],402:[function(t,e,r){"use strict";function n(t){s.setOptions(this,t)}var i=t("./control"),a=t("../../util/browser"),o=t("../../util/dom"),s=t("../../util/util");e.exports=n;var l={enableHighAccuracy:!1,timeout:6e3};n.prototype=s.inherit(i,{options:{position:"top-right"},onAdd:function(t){var e=this._container=o.create("div","mapboxgl-ctrl-group",t.getContainer());return a.supportsGeolocation?(this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._geolocateButton=o.create("button","mapboxgl-ctrl-icon mapboxgl-ctrl-geolocate",this._container),this._geolocateButton.type="button",this._geolocateButton.addEventListener("click",this._onClickGeolocate.bind(this)),e):e},_onContextMenu:function(t){t.preventDefault()},_onClickGeolocate:function(){navigator.geolocation.getCurrentPosition(this._success.bind(this),this._error.bind(this),l),this._timeoutId=setTimeout(this._finish.bind(this),1e4)},_success:function(t){this._map.jumpTo({center:[t.coords.longitude,t.coords.latitude],zoom:17,bearing:0,pitch:0}),this.fire("geolocate",t),this._finish()},_error:function(t){this.fire("error",t),this._finish()},_finish:function(){this._timeoutId&&clearTimeout(this._timeoutId),this._timeoutId=void 0}})},{"../../util/browser":417,"../../util/dom":419,"../../util/util":433,"./control":401}],403:[function(t,e,r){"use strict";function n(t){s.setOptions(this,t)}function i(t){return new MouseEvent(t.type,{button:2,buttons:2,bubbles:!0,cancelable:!0,detail:t.detail,view:t.view,screenX:t.screenX,screenY:t.screenY,clientX:t.clientX,clientY:t.clientY,movementX:t.movementX,movementY:t.movementY,ctrlKey:t.ctrlKey,shiftKey:t.shiftKey,altKey:t.altKey,metaKey:t.metaKey})}var a=t("./control"),o=t("../../util/dom"),s=t("../../util/util");e.exports=n,n.prototype=s.inherit(a,{options:{position:"top-right"},onAdd:function(t){var e="mapboxgl-ctrl",r=this._container=o.create("div",e+"-group",t.getContainer());return this._container.addEventListener("contextmenu",this._onContextMenu.bind(this)),this._zoomInButton=this._createButton(e+"-icon "+e+"-zoom-in",t.zoomIn.bind(t)),this._zoomOutButton=this._createButton(e+"-icon "+e+"-zoom-out",t.zoomOut.bind(t)),this._compass=this._createButton(e+"-icon "+e+"-compass",t.resetNorth.bind(t)),this._compassArrow=o.create("div","arrow",this._compass),this._compass.addEventListener("mousedown",this._onCompassDown.bind(this)),this._onCompassMove=this._onCompassMove.bind(this),this._onCompassUp=this._onCompassUp.bind(this),t.on("rotate",this._rotateCompassArrow.bind(this)),this._rotateCompassArrow(),this._el=t.getCanvasContainer(),r},_onContextMenu:function(t){t.preventDefault()},_onCompassDown:function(t){0===t.button&&(o.disableDrag(),document.addEventListener("mousemove",this._onCompassMove),document.addEventListener("mouseup",this._onCompassUp),this._el.dispatchEvent(i(t)),t.stopPropagation())},_onCompassMove:function(t){0===t.button&&(this._el.dispatchEvent(i(t)),t.stopPropagation())},_onCompassUp:function(t){0===t.button&&(document.removeEventListener("mousemove",this._onCompassMove),document.removeEventListener("mouseup",this._onCompassUp),o.enableDrag(),this._el.dispatchEvent(i(t)),t.stopPropagation())},_createButton:function(t,e){var r=o.create("button",t,this._container);return r.type="button",r.addEventListener("click",function(){e()}),r},_rotateCompassArrow:function(){var t="rotate("+this._map.transform.angle*(180/Math.PI)+"deg)";this._compassArrow.style.transform=t}})},{"../../util/dom":419,"../../util/util":433,"./control":401}],404:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),this._container=t.getContainer(),o.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../geo/lng_lat_bounds"),o=t("../../util/util");e.exports=n,n.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onMouseDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onMouseDown),this._enabled=!1)},_onMouseDown:function(t){t.shiftKey&&0===t.button&&(document.addEventListener("mousemove",this._onMouseMove,!1),document.addEventListener("keydown",this._onKeyDown,!1),document.addEventListener("mouseup",this._onMouseUp,!1),i.disableDrag(),this._startPos=i.mousePos(this._el,t),this._active=!0)},_onMouseMove:function(t){var e=this._startPos,r=i.mousePos(this._el,t);this._box||(this._box=i.create("div","mapboxgl-boxzoom",this._container),this._container.classList.add("mapboxgl-crosshair"),this._fireEvent("boxzoomstart",t));var n=Math.min(e.x,r.x),a=Math.max(e.x,r.x),o=Math.min(e.y,r.y),s=Math.max(e.y,r.y);i.setTransform(this._box,"translate("+n+"px,"+o+"px)"),this._box.style.width=a-n+"px",this._box.style.height=s-o+"px"},_onMouseUp:function(t){if(0===t.button){var e=this._startPos,r=i.mousePos(this._el,t),n=new a(this._map.unproject(e),this._map.unproject(r));this._finish(),e.x===r.x&&e.y===r.y?this._fireEvent("boxzoomcancel",t):this._map.fitBounds(n,{linear:!0}).fire("boxzoomend",{originalEvent:t,boxZoomBounds:n})}},_onKeyDown:function(t){27===t.keyCode&&(this._finish(),this._fireEvent("boxzoomcancel",t))},_finish:function(){this._active=!1,document.removeEventListener("mousemove",this._onMouseMove,!1),document.removeEventListener("keydown",this._onKeyDown,!1),document.removeEventListener("mouseup",this._onMouseUp,!1),this._container.classList.remove("mapboxgl-crosshair"),this._box&&(this._box.parentNode.removeChild(this._box),this._box=null),i.enableDrag()},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})}}},{"../../geo/lng_lat_bounds":331,"../../util/dom":419,"../../util/util":433}],405:[function(t,e,r){"use strict";function n(t){this._map=t,this._onDblClick=this._onDblClick.bind(this)}e.exports=n,n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._map.on("dblclick",this._onDblClick),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._map.off("dblclick",this._onDblClick),this._enabled=!1)},_onDblClick:function(t){this._map.zoomTo(this._map.getZoom()+(t.originalEvent.shiftKey?-1:1),{around:t.lngLat},t)}}},{}],406:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),a.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../util/util");e.exports=n;var o=a.bezier(0,0,.3,1);n.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._el.addEventListener("touchstart",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._el.removeEventListener("touchstart",this._onDown),this._enabled=!1)},_onDown:function(t){this._ignoreEvent(t)||this.isActive()||(t.touches?(document.addEventListener("touchmove",this._onMove),document.addEventListener("touchend",this._onTouchEnd)):(document.addEventListener("mousemove",this._onMove),document.addEventListener("mouseup",this._onMouseUp)),this._active=!1,this._startPos=this._pos=i.mousePos(this._el,t),this._inertia=[[Date.now(),this._pos]])},_onMove:function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("dragstart",t),this._fireEvent("movestart",t));var e=i.mousePos(this._el,t),r=this._map;r.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),e]),r.transform.setLocationAtPoint(r.transform.pointLocation(this._pos),e),this._fireEvent("drag",t),this._fireEvent("move",t),this._pos=e,t.preventDefault()}},_onUp:function(t){if(this.isActive()){this._active=!1,this._fireEvent("dragend",t),this._drainInertiaBuffer();var e=function(){this._fireEvent("moveend",t)}.bind(this),r=this._inertia;if(r.length<2)e();else{var n=r[r.length-1],i=r[0],a=n[1].sub(i[1]),s=(n[0]-i[0])/1e3;if(0===s||n[1].equals(i[1]))e();else{var l=a.mult(.3/s),c=l.mag();c>1400&&(c=1400,l._unit()._mult(c));var u=c/750,f=l.mult(-u/2);this._map.panBy(f,{duration:1e3*u,easing:o,noMoveStart:!0},{originalEvent:t})}}}},_onMouseUp:function(t){this._ignoreEvent(t)||(this._onUp(t),document.removeEventListener("mousemove",this._onMove),document.removeEventListener("mouseup",this._onMouseUp))},_onTouchEnd:function(t){this._ignoreEvent(t)||(this._onUp(t),document.removeEventListener("touchmove",this._onMove),document.removeEventListener("touchend",this._onTouchEnd))},_fireEvent:function(t,e){return this._map.fire(t,{originalEvent:e})},_ignoreEvent:function(t){var e=this._map;if(e.boxZoom&&e.boxZoom.isActive())return!0;if(e.dragRotate&&e.dragRotate.isActive())return!0;if(t.touches)return t.touches.length>1;if(t.ctrlKey)return!0;return"mousemove"===t.type?!1&t.buttons:0!==t.button},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()}}},{"../../util/dom":419,"../../util/util":433}],407:[function(t,e,r){"use strict";function n(t,e){this._map=t,this._el=t.getCanvasContainer(),this._bearingSnap=e.bearingSnap,o.bindHandlers(this)}var i=t("../../util/dom"),a=t("point-geometry"),o=t("../../util/util");e.exports=n;var s=o.bezier(0,0,.25,1);n.prototype={_enabled:!1,_active:!1,isEnabled:function(){return this._enabled},isActive:function(){return this._active},enable:function(){this.isEnabled()||(this._el.addEventListener("mousedown",this._onDown),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("mousedown",this._onDown),this._enabled=!1)},_onDown:function(t){if(!this._ignoreEvent(t)&&!this.isActive()){document.addEventListener("mousemove",this._onMove),document.addEventListener("mouseup",this._onUp),this._active=!1,this._inertia=[[Date.now(),this._map.getBearing()]],this._startPos=this._pos=i.mousePos(this._el,t),this._center=this._map.transform.centerPoint;var e=this._startPos.sub(this._center);e.mag()<200&&(this._center=this._startPos.add(new a(-200,0)._rotate(e.angle()))),t.preventDefault()}},_onMove:function(t){if(!this._ignoreEvent(t)){this.isActive()||(this._active=!0,this._fireEvent("rotatestart",t),this._fireEvent("movestart",t));var e=this._map;e.stop();var r=this._pos,n=i.mousePos(this._el,t),a=this._center,o=r.sub(a).angleWith(n.sub(a))/Math.PI*180,s=e.getBearing()-o,l=this._inertia,c=l[l.length-1];this._drainInertiaBuffer(),l.push([Date.now(),e._normalizeBearing(s,c[1])]),e.transform.bearing=s,this._fireEvent("rotate",t),this._fireEvent("move",t),this._pos=n}},_onUp:function(t){if(!this._ignoreEvent(t)&&(document.removeEventListener("mousemove",this._onMove),document.removeEventListener("mouseup",this._onUp),this.isActive())){this._active=!1,this._fireEvent("rotateend",t),this._drainInertiaBuffer();var e=this._map,r=e.getBearing(),n=this._inertia,i=function(){Math.abs(r)180&&(d=180);var p=d/180;c+=f*d*(p/2),Math.abs(e._normalizeBearing(c,0))1;var r=t.ctrlKey?1:2,n=t.ctrlKey?0:2;return"mousemove"===t.type?t.buttons&0===r:t.button!==n},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now();t.length>0&&e-t[0][0]>160;)t.shift()}}},{"../../util/dom":419,"../../util/util":433,"point-geometry":477}],408:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),this._onKeyDown=this._onKeyDown.bind(this)}e.exports=n;n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("keydown",this._onKeyDown,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("keydown",this._onKeyDown),this._enabled=!1)},_onKeyDown:function(t){if(!(t.altKey||t.ctrlKey||t.metaKey)){var e=this._map,r={originalEvent:t};if(!e.isEasing())switch(t.keyCode){case 61:case 107:case 171:case 187:e.zoomTo(Math.round(e.getZoom())+(t.shiftKey?2:1),r);break;case 189:case 109:case 173:e.zoomTo(Math.round(e.getZoom())-(t.shiftKey?2:1),r);break;case 37:t.shiftKey?e.easeTo({bearing:e.getBearing()-2},r):(t.preventDefault(),e.panBy([-80,0],r));break;case 39:t.shiftKey?e.easeTo({bearing:e.getBearing()+2},r):(t.preventDefault(),e.panBy([80,0],r));break;case 38:t.shiftKey?e.easeTo({pitch:e.getPitch()+5},r):(t.preventDefault(),e.panBy([0,-80],r));break;case 40:t.shiftKey?e.easeTo({pitch:Math.max(e.getPitch()-5,0)},r):(t.preventDefault(),e.panBy([0,80],r))}}}}},{}],409:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),o.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../util/browser"),o=t("../../util/util");e.exports=n;var s="undefined"!=typeof navigator?navigator.userAgent.toLowerCase():"",l=-1!==s.indexOf("firefox"),c=-1!==s.indexOf("safari")&&-1===s.indexOf("chrom");n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("wheel",this._onWheel,!1),this._el.addEventListener("mousewheel",this._onWheel,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("wheel",this._onWheel),this._el.removeEventListener("mousewheel",this._onWheel),this._enabled=!1)},_onWheel:function(t){var e;"wheel"===t.type?(e=t.deltaY,l&&t.deltaMode===window.WheelEvent.DOM_DELTA_PIXEL&&(e/=a.devicePixelRatio),t.deltaMode===window.WheelEvent.DOM_DELTA_LINE&&(e*=40)):"mousewheel"===t.type&&(e=-t.wheelDeltaY,c&&(e/=3));var r=a.now(),n=r-(this._time||0);this._pos=i.mousePos(this._el,t),this._time=r,0!==e&&e%4.000244140625==0?(this._type="wheel",e=Math.floor(e/4)):0!==e&&Math.abs(e)<4?this._type="trackpad":n>400?(this._type=null,this._lastValue=e,this._timeout=setTimeout(this._onTimeout,40)):this._type||(this._type=Math.abs(n*e)<200?"trackpad":"wheel",this._timeout&&(clearTimeout(this._timeout),this._timeout=null,e+=this._lastValue)),t.shiftKey&&e&&(e/=4),this._type&&this._zoom(-e,t),t.preventDefault()},_onTimeout:function(){this._type="wheel",this._zoom(-this._lastValue)},_zoom:function(t,e){if(0!==t){var r=this._map,n=2/(1+Math.exp(-Math.abs(t/100)));t<0&&0!==n&&(n=1/n);var i=r.ease?r.ease.to:r.transform.scale,a=r.transform.scaleZoom(i*n);r.zoomTo(a,{duration:0,around:r.unproject(this._pos),delayEndEvents:200},{originalEvent:e})}}}},{"../../util/browser":417,"../../util/dom":419,"../../util/util":433}],410:[function(t,e,r){"use strict";function n(t){this._map=t,this._el=t.getCanvasContainer(),a.bindHandlers(this)}var i=t("../../util/dom"),a=t("../../util/util");e.exports=n;var o=a.bezier(0,0,.15,1);n.prototype={_enabled:!1,isEnabled:function(){return this._enabled},enable:function(){this.isEnabled()||(this._el.addEventListener("touchstart",this._onStart,!1),this._enabled=!0)},disable:function(){this.isEnabled()&&(this._el.removeEventListener("touchstart",this._onStart),this._enabled=!1)},disableRotation:function(){this._rotationDisabled=!0},enableRotation:function(){this._rotationDisabled=!1},_onStart:function(t){if(2===t.touches.length){var e=i.mousePos(this._el,t.touches[0]),r=i.mousePos(this._el,t.touches[1]);this._startVec=e.sub(r),this._startScale=this._map.transform.scale,this._startBearing=this._map.transform.bearing,this._gestureIntent=void 0,this._inertia=[],document.addEventListener("touchmove",this._onMove,!1),document.addEventListener("touchend",this._onEnd,!1)}},_onMove:function(t){if(2===t.touches.length){var e=i.mousePos(this._el,t.touches[0]),r=i.mousePos(this._el,t.touches[1]),n=e.add(r).div(2),a=e.sub(r),o=a.mag()/this._startVec.mag(),s=this._rotationDisabled?0:180*a.angleWith(this._startVec)/Math.PI,l=this._map;if(this._gestureIntent){var c={duration:0,around:l.unproject(n)};"rotate"===this._gestureIntent&&(c.bearing=this._startBearing+s),"zoom"!==this._gestureIntent&&"rotate"!==this._gestureIntent||(c.zoom=l.transform.scaleZoom(this._startScale*o)),l.stop(),this._drainInertiaBuffer(),this._inertia.push([Date.now(),o,n]),l.easeTo(c,{originalEvent:t})}else{var u=Math.abs(1-o)>.15;Math.abs(s)>4?this._gestureIntent="rotate":u&&(this._gestureIntent="zoom"),this._gestureIntent&&(this._startVec=a,this._startScale=l.transform.scale,this._startBearing=l.transform.bearing)}t.preventDefault()}},_onEnd:function(t){document.removeEventListener("touchmove",this._onMove),document.removeEventListener("touchend",this._onEnd),this._drainInertiaBuffer();var e=this._inertia,r=this._map;if(e.length<2)r.snapToNorth({},{originalEvent:t});else{var n=e[e.length-1],i=e[0],a=r.transform.scaleZoom(this._startScale*n[1]),s=r.transform.scaleZoom(this._startScale*i[1]),l=a-s,c=(n[0]-i[0])/1e3,u=n[2];if(0!==c&&a!==s){var f=.15*l/c;Math.abs(f)>2.5&&(f=f>0?2.5:-2.5);var h=1e3*Math.abs(f/(12*.15)),d=a+f*h/2e3;d<0&&(d=0),r.easeTo({zoom:d,duration:h,easing:o,around:r.unproject(u)},{originalEvent:t})}else r.snapToNorth({},{originalEvent:t})}},_drainInertiaBuffer:function(){for(var t=this._inertia,e=Date.now();t.length>2&&e-t[0][0]>160;)t.shift()}}},{"../../util/dom":419,"../../util/util":433}],411:[function(t,e,r){"use strict";function n(){i.bindAll(["_onHashChange","_updateHash"],this)}e.exports=n;var i=t("../util/util");n.prototype={addTo:function(t){return this._map=t,window.addEventListener("hashchange",this._onHashChange,!1),this._map.on("moveend",this._updateHash),this},remove:function(){return window.removeEventListener("hashchange",this._onHashChange,!1),this._map.off("moveend",this._updateHash),delete this._map,this},_onHashChange:function(){var t=location.hash.replace("#","").split("/");return t.length>=3&&(this._map.jumpTo({center:[+t[2],+t[1]],zoom:+t[0],bearing:+(t[3]||0)}),!0)},_updateHash:function(){var t=this._map.getCenter(),e=this._map.getZoom(),r=this._map.getBearing(),n=Math.max(0,Math.ceil(Math.log(e)/Math.LN2)),i="#"+Math.round(100*e)/100+"/"+t.lat.toFixed(n)+"/"+t.lng.toFixed(n)+(r?"/"+Math.round(10*r)/10:"");window.history.replaceState("","",i)}}},{"../util/util":433}],412:[function(t,e,r){"use strict";function n(t){t.parentNode&&t.parentNode.removeChild(t)}var i=t("../util/canvas"),a=t("../util/util"),o=t("../util/browser"),s=t("../util/browser").window,l=t("../util/evented"),c=t("../util/dom"),u=t("../style/style"),f=t("../style/animation_loop"),h=t("../render/painter"),d=t("../geo/transform"),p=t("./hash"),m=t("./bind_handlers"),g=t("./camera"),v=t("../geo/lng_lat"),y=t("../geo/lng_lat_bounds"),x=t("point-geometry"),b=t("./control/attribution"),_={center:[0,0],zoom:0,bearing:0,pitch:0,minZoom:0,maxZoom:20,interactive:!0,scrollZoom:!0,boxZoom:!0,dragRotate:!0,dragPan:!0,keyboard:!0,doubleClickZoom:!0,touchZoomRotate:!0,bearingSnap:7,hash:!1,attributionControl:!0,failIfMajorPerformanceCaveat:!1,preserveDrawingBuffer:!1,trackResize:!0,workerCount:Math.max(o.hardwareConcurrency-1,1)},w=e.exports=function(t){if((t=a.extend({},_,t)).workerCount<1)throw new Error("workerCount must an integer greater than or equal to 1.");this._interactive=t.interactive,this._failIfMajorPerformanceCaveat=t.failIfMajorPerformanceCaveat,this._preserveDrawingBuffer=t.preserveDrawingBuffer,this._trackResize=t.trackResize,this._workerCount=t.workerCount,this._bearingSnap=t.bearingSnap,"string"==typeof t.container?this._container=document.getElementById(t.container):this._container=t.container,this.animationLoop=new f,this.transform=new d(t.minZoom,t.maxZoom),t.maxBounds&&this.setMaxBounds(t.maxBounds),a.bindAll(["_forwardStyleEvent","_forwardSourceEvent","_forwardLayerEvent","_forwardTileEvent","_onStyleLoad","_onStyleChange","_onSourceAdd","_onSourceRemove","_onSourceUpdate","_onWindowOnline","_onWindowResize","_update","_render"],this),this._setupContainer(),this._setupPainter(),this.on("move",this._update.bind(this,!1)),this.on("zoom",this._update.bind(this,!0)),this.on("moveend",function(){this.animationLoop.set(300),this._rerender()}.bind(this)),void 0!==s&&(s.addEventListener("online",this._onWindowOnline,!1),s.addEventListener("resize",this._onWindowResize,!1)),m(this,t),this._hash=t.hash&&(new p).addTo(this),this._hash&&this._hash._onHashChange()||this.jumpTo({center:t.center,zoom:t.zoom,bearing:t.bearing,pitch:t.pitch}),this.stacks={},this._classes=[],this.resize(),t.classes&&this.setClasses(t.classes),t.style&&this.setStyle(t.style),t.attributionControl&&this.addControl(new b(t.attributionControl));var e=this.fire.bind(this,"error");this.on("style.error",e),this.on("source.error",e),this.on("tile.error",e),this.on("layer.error",e)};a.extend(w.prototype,l),a.extend(w.prototype,g.prototype),a.extend(w.prototype,{addControl:function(t){return t.addTo(this),this},addClass:function(t,e){return this._classes.indexOf(t)>=0||""===t?this:(this._classes.push(t),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},removeClass:function(t,e){var r=this._classes.indexOf(t);return r<0||""===t?this:(this._classes.splice(r,1),this._classOptions=e,this.style&&this.style.updateClasses(),this._update(!0))},setClasses:function(t,e){for(var r={},n=0;n=0},getClasses:function(){return this._classes},resize:function(){var t=0,e=0;return this._container&&(t=this._container.offsetWidth||400,e=this._container.offsetHeight||300),this._canvas.resize(t,e),this.transform.resize(t,e),this.painter.resize(t,e),this.fire("movestart").fire("move").fire("resize").fire("moveend")},getBounds:function(){var t=new y(this.transform.pointLocation(new x(0,0)),this.transform.pointLocation(this.transform.size));return(this.transform.angle||this.transform.pitch)&&(t.extend(this.transform.pointLocation(new x(this.transform.size.x,0))),t.extend(this.transform.pointLocation(new x(0,this.transform.size.y)))),t},setMaxBounds:function(t){if(t){var e=y.convert(t);this.transform.lngRange=[e.getWest(),e.getEast()],this.transform.latRange=[e.getSouth(),e.getNorth()],this.transform._constrain(),this._update()}else null!==t&&void 0!==t||(this.transform.lngRange=[],this.transform.latRange=[],this._update());return this},setMinZoom:function(t){if((t=null===t||void 0===t?0:t)>=0&&t<=this.transform.maxZoom)return this.transform.minZoom=t,this._update(),this.getZoom()=this.transform.minZoom&&t<=20)return this.transform.maxZoom=t,this._update(),this.getZoom()>t&&this.setZoom(t),this;throw new Error("maxZoom must be between the current minZoom and 20, inclusive")},project:function(t){return this.transform.locationPoint(v.convert(t))},unproject:function(t){return this.transform.pointLocation(x.convert(t))},queryRenderedFeatures:function(){var t,e={};return 2===arguments.length?(t=arguments[0],e=arguments[1]):1===arguments.length&&function(t){return t instanceof x||Array.isArray(t)}(arguments[0])?t=arguments[0]:1===arguments.length&&(e=arguments[0]),this.style.queryRenderedFeatures(this._makeQueryGeometry(t),e,this.transform.zoom,this.transform.angle)},_makeQueryGeometry:function(t){void 0===t&&(t=[x.convert([0,0]),x.convert([this.transform.width,this.transform.height])]);var e;if(t instanceof x||"number"==typeof t[0]){e=[x.convert(t)]}else{var r=[x.convert(t[0]),x.convert(t[1])];e=[r[0],new x(r[1].x,r[0].y),r[1],new x(r[0].x,r[1].y),r[0]]}return e=e.map(function(t){return this.transform.pointCoordinate(t)}.bind(this))},querySourceFeatures:function(t,e){return this.style.querySourceFeatures(t,e)},setStyle:function(t){return this.style&&(this.style.off("load",this._onStyleLoad).off("error",this._forwardStyleEvent).off("change",this._onStyleChange).off("source.add",this._onSourceAdd).off("source.remove",this._onSourceRemove).off("source.load",this._onSourceUpdate).off("source.error",this._forwardSourceEvent).off("source.change",this._onSourceUpdate).off("layer.add",this._forwardLayerEvent).off("layer.remove",this._forwardLayerEvent).off("layer.error",this._forwardLayerEvent).off("tile.add",this._forwardTileEvent).off("tile.remove",this._forwardTileEvent).off("tile.load",this._update).off("tile.error",this._forwardTileEvent).off("tile.stats",this._forwardTileEvent)._remove(),this.off("rotate",this.style._redoPlacement),this.off("pitch",this.style._redoPlacement)),t?(this.style=t instanceof u?t:new u(t,this.animationLoop,this._workerCount),this.style.on("load",this._onStyleLoad).on("error",this._forwardStyleEvent).on("change",this._onStyleChange).on("source.add",this._onSourceAdd).on("source.remove",this._onSourceRemove).on("source.load",this._onSourceUpdate).on("source.error",this._forwardSourceEvent).on("source.change",this._onSourceUpdate).on("layer.add",this._forwardLayerEvent).on("layer.remove",this._forwardLayerEvent).on("layer.error",this._forwardLayerEvent).on("tile.add",this._forwardTileEvent).on("tile.remove",this._forwardTileEvent).on("tile.load",this._update).on("tile.error",this._forwardTileEvent).on("tile.stats",this._forwardTileEvent),this.on("rotate",this.style._redoPlacement),this.on("pitch",this.style._redoPlacement),this):(this.style=null,this)},getStyle:function(){if(this.style)return this.style.serialize()},addSource:function(t,e){return this.style.addSource(t,e),this._update(!0),this},addSourceType:function(t,e,r){return this.style.addSourceType(t,e,r)},removeSource:function(t){return this.style.removeSource(t),this._update(!0),this},getSource:function(t){return this.style.getSource(t)},addLayer:function(t,e){return this.style.addLayer(t,e),this._update(!0),this},removeLayer:function(t){return this.style.removeLayer(t),this._update(!0),this},getLayer:function(t){return this.style.getLayer(t)},setFilter:function(t,e){return this.style.setFilter(t,e),this._update(!0),this},setLayerZoomRange:function(t,e,r){return this.style.setLayerZoomRange(t,e,r),this._update(!0),this},getFilter:function(t){return this.style.getFilter(t)},setPaintProperty:function(t,e,r,n){return this.style.setPaintProperty(t,e,r,n),this._update(!0),this},getPaintProperty:function(t,e,r){return this.style.getPaintProperty(t,e,r)},setLayoutProperty:function(t,e,r){return this.style.setLayoutProperty(t,e,r),this._update(!0),this},getLayoutProperty:function(t,e){return this.style.getLayoutProperty(t,e)},getContainer:function(){return this._container},getCanvasContainer:function(){return this._canvasContainer},getCanvas:function(){return this._canvas.getElement()},_setupContainer:function(){var t=this._container;t.classList.add("mapboxgl-map");var e=this._canvasContainer=c.create("div","mapboxgl-canvas-container",t);this._interactive&&e.classList.add("mapboxgl-interactive"),this._canvas=new i(this,e);var r=this._controlContainer=c.create("div","mapboxgl-control-container",t),n=this._controlCorners={};["top-left","top-right","bottom-left","bottom-right"].forEach(function(t){n[t]=c.create("div","mapboxgl-ctrl-"+t,r)})},_setupPainter:function(){var t=this._canvas.getWebGLContext({failIfMajorPerformanceCaveat:this._failIfMajorPerformanceCaveat,preserveDrawingBuffer:this._preserveDrawingBuffer});t?this.painter=new h(t,this.transform):this.fire("error",{error:new Error("Failed to initialize WebGL")})},_contextLost:function(t){t.preventDefault(),this._frameId&&o.cancelFrame(this._frameId),this.fire("webglcontextlost",{originalEvent:t})},_contextRestored:function(t){this._setupPainter(),this.resize(),this._update(),this.fire("webglcontextrestored",{originalEvent:t})},loaded:function(){return!this._styleDirty&&!this._sourcesDirty&&!(!this.style||!this.style.loaded())},_update:function(t){return this.style?(this._styleDirty=this._styleDirty||t,this._sourcesDirty=!0,this._rerender(),this):this},_render:function(){try{this.style&&this._styleDirty&&(this._styleDirty=!1,this.style.update(this._classes,this._classOptions),this._classOptions=null,this.style._recalculate(this.transform.zoom)),this.style&&this._sourcesDirty&&(this._sourcesDirty=!1,this.style._updateSources(this.transform)),this.painter.render(this.style,{debug:this.showTileBoundaries,showOverdrawInspector:this._showOverdrawInspector,vertices:this.vertices,rotating:this.rotating,zooming:this.zooming}),this.fire("render"),this.loaded()&&!this._loaded&&(this._loaded=!0,this.fire("load")),this._frameId=null,this.animationLoop.stopped()||(this._styleDirty=!0),(this._sourcesDirty||this._repaint||this._styleDirty)&&this._rerender()}catch(t){this.fire("error",{error:t})}return this},remove:function(){this._hash&&this._hash.remove(),o.cancelFrame(this._frameId),this.setStyle(null),void 0!==s&&s.removeEventListener("resize",this._onWindowResize,!1);var t=this.painter.gl.getExtension("WEBGL_lose_context");t&&t.loseContext(),n(this._canvasContainer),n(this._controlContainer),this._container.classList.remove("mapboxgl-map")},_rerender:function(){this.style&&!this._frameId&&(this._frameId=o.frame(this._render))},_forwardStyleEvent:function(t){this.fire("style."+t.type,a.extend({style:t.target},t))},_forwardSourceEvent:function(t){this.fire(t.type,a.extend({style:t.target},t))},_forwardLayerEvent:function(t){this.fire(t.type,a.extend({style:t.target},t))},_forwardTileEvent:function(t){this.fire(t.type,a.extend({style:t.target},t))},_onStyleLoad:function(t){this.transform.unmodified&&this.jumpTo(this.style.stylesheet),this.style.update(this._classes,{transition:!1}),this._forwardStyleEvent(t)},_onStyleChange:function(t){this._update(!0),this._forwardStyleEvent(t)},_onSourceAdd:function(t){var e=t.source;e.onAdd&&e.onAdd(this),this._forwardSourceEvent(t)},_onSourceRemove:function(t){var e=t.source;e.onRemove&&e.onRemove(this),this._forwardSourceEvent(t)},_onSourceUpdate:function(t){this._update(),this._forwardSourceEvent(t)},_onWindowOnline:function(){this._update()},_onWindowResize:function(){this._trackResize&&this.stop().resize()._update()}}),a.extendAll(w.prototype,{_showTileBoundaries:!1,get showTileBoundaries(){return this._showTileBoundaries},set showTileBoundaries(t){this._showTileBoundaries!==t&&(this._showTileBoundaries=t,this._update())},_showCollisionBoxes:!1,get showCollisionBoxes(){return this._showCollisionBoxes},set showCollisionBoxes(t){this._showCollisionBoxes!==t&&(this._showCollisionBoxes=t,this.style._redoPlacement())},_showOverdrawInspector:!1,get showOverdrawInspector(){return this._showOverdrawInspector},set showOverdrawInspector(t){this._showOverdrawInspector!==t&&(this._showOverdrawInspector=t,this._update())},_repaint:!1,get repaint(){return this._repaint},set repaint(t){this._repaint=t,this._update()},_vertices:!1,get vertices(){return this._vertices},set vertices(t){this._vertices=t,this._update()}})},{"../geo/lng_lat":330,"../geo/lng_lat_bounds":331,"../geo/transform":332,"../render/painter":346,"../style/animation_loop":366,"../style/style":369,"../util/browser":417,"../util/canvas":418,"../util/dom":419,"../util/evented":425,"../util/util":433,"./bind_handlers":398,"./camera":399,"./control/attribution":400,"./hash":411,"point-geometry":477}],413:[function(t,e,r){"use strict";function n(t,e){t||(t=i.create("div")),t.classList.add("mapboxgl-marker"),this._el=t,this._offset=o.convert(e&&e.offset||[0,0]),this._update=this._update.bind(this)}e.exports=n;var i=t("../util/dom"),a=t("../geo/lng_lat"),o=t("point-geometry");n.prototype={addTo:function(t){return this.remove(),this._map=t,t.getCanvasContainer().appendChild(this._el),t.on("move",this._update),this._update(),this},remove:function(){this._map&&(this._map.off("move",this._update),this._map=null);var t=this._el.parentNode;return t&&t.removeChild(this._el),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=a.convert(t),this._update(),this},getElement:function(){return this._el},_update:function(){if(this._map){var t=this._map.project(this._lngLat)._add(this._offset);i.setTransform(this._el,"translate("+t.x+"px,"+t.y+"px)")}}}},{"../geo/lng_lat":330,"../util/dom":419,"point-geometry":477}],414:[function(t,e,r){"use strict";function n(t){i.setOptions(this,t),i.bindAll(["_update","_onClickClose"],this)}e.exports=n;var i=t("../util/util"),a=t("../util/evented"),o=t("../util/dom"),s=t("../geo/lng_lat");n.prototype=i.inherit(a,{options:{closeButton:!0,closeOnClick:!0},addTo:function(t){return this._map=t,this._map.on("move",this._update),this.options.closeOnClick&&this._map.on("click",this._onClickClose),this._update(),this},remove:function(){return this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._container&&(this._container.parentNode.removeChild(this._container),delete this._container),this._map&&(this._map.off("move",this._update),this._map.off("click",this._onClickClose),delete this._map),this.fire("close"),this},getLngLat:function(){return this._lngLat},setLngLat:function(t){return this._lngLat=s.convert(t),this._update(),this},setText:function(t){return this.setDOMContent(document.createTextNode(t))},setHTML:function(t){var e,r=document.createDocumentFragment(),n=document.createElement("body");for(n.innerHTML=t;e=n.firstChild;)r.appendChild(e);return this.setDOMContent(r)},setDOMContent:function(t){return this._createContent(),this._content.appendChild(t),this._update(),this},_createContent:function(){this._content&&this._content.parentNode&&this._content.parentNode.removeChild(this._content),this._content=o.create("div","mapboxgl-popup-content",this._container),this.options.closeButton&&(this._closeButton=o.create("button","mapboxgl-popup-close-button",this._content),this._closeButton.type="button",this._closeButton.innerHTML="×",this._closeButton.addEventListener("click",this._onClickClose))},_update:function(){if(this._map&&this._lngLat&&this._content){this._container||(this._container=o.create("div","mapboxgl-popup",this._map.getContainer()),this._tip=o.create("div","mapboxgl-popup-tip",this._container),this._container.appendChild(this._content));var t=this._map.project(this._lngLat).round(),e=this.options.anchor;if(!e){var r=this._container.offsetWidth,n=this._container.offsetHeight;e=t.ythis._map.transform.height-n?["bottom"]:[],t.xthis._map.transform.width-r/2&&e.push("right"),e=0===e.length?"bottom":e.join("-")}var i={top:"translate(-50%,0)","top-left":"translate(0,0)","top-right":"translate(-100%,0)",bottom:"translate(-50%,-100%)","bottom-left":"translate(0,-100%)","bottom-right":"translate(-100%,-100%)",left:"translate(0,-50%)",right:"translate(-100%,-50%)"},a=this._container.classList;for(var s in i)a.remove("mapboxgl-popup-anchor-"+s);a.add("mapboxgl-popup-anchor-"+e),o.setTransform(this._container,i[e]+" translate("+t.x+"px,"+t.y+"px)")}},_onClickClose:function(){this.remove()}})},{"../geo/lng_lat":330,"../util/dom":419,"../util/evented":425,"../util/util":433}],415:[function(t,e,r){"use strict";function n(t,e){this.target=t,this.parent=e,this.callbacks={},this.callbackID=0,this.receive=this.receive.bind(this),this.target.addEventListener("message",this.receive,!1)}e.exports=n,n.prototype.receive=function(t){function e(t,e,r){this.postMessage({type:"",id:String(i),error:t?String(t):null,data:e},r)}var r,n=t.data,i=n.id;if(""===n.type)r=this.callbacks[n.id],delete this.callbacks[n.id],r&&r(n.error||null,n.data);else if(void 0!==n.id&&this.parent[n.type])this.parent[n.type](n.data,e.bind(this));else if(void 0!==n.id&&this.parent.workerSources){var a=n.type.split(".");this.parent.workerSources[a[0]][a[1]](n.data,e.bind(this))}else this.parent[n.type](n.data)},n.prototype.send=function(t,e,r,n){var i=null;r&&(this.callbacks[i=this.callbackID++]=r),this.postMessage({type:t,id:String(i),data:e},n)},n.prototype.postMessage=function(t,e){this.target.postMessage(t,e)}},{}],416:[function(t,e,r){"use strict";function n(t){var e=document.createElement("a");return 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vec2(endJoinDirection) * thickness * abs(dot(endJoinDirection, currNormal)) * .5;\n\t\t\tendCutoff = vec4(bCoord, bCoord);\n\t\t\tendCutoff.zw += vec2(-endJoinDirection.y, endJoinDirection.x) / scaleRatio;\n\t\t\tendCutoff = (endCutoff + translate.xyxy) * scaleRatio.xyxy;\n\t\t\tendCutoff += viewport.xyxy;\n\t\t\tendCutoff += endMiterWidth.xyxy;\n\t\t}\n\t}\n}\n"]),frag:s(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id, miterMode;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\nvarying vec4 startCutoff, endCutoff;\nvarying vec2 startCoord, endCoord;\nvarying float enableStartMiter, enableEndMiter;\n\nfloat distToLine(vec2 p, vec2 a, vec2 b) {\n\tvec2 diff = b - a;\n\tvec2 perp = normalize(vec2(-diff.y, diff.x));\n\treturn dot(p - a, perp);\n}\n\nvoid main() {\n\tfloat alpha = 1., distToStart, distToEnd;\n\tfloat cutoff = thickness * .5;\n\n\t//bevel miter\n\tif (miterMode == 1.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToStart + 1., 0.), 1.);\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < -1.) {\n\t\t\t\tdiscard;\n\t\t\t\treturn;\n\t\t\t}\n\t\t\talpha *= min(max(distToEnd + 1., 0.), 1.);\n\t\t}\n\t}\n\n\t// round miter\n\telse if (miterMode == 2.) {\n\t\tif (enableStartMiter == 1.) {\n\t\t\tdistToStart = distToLine(gl_FragCoord.xy, startCutoff.xy, startCutoff.zw);\n\t\t\tif (distToStart < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - startCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\n\t\tif (enableEndMiter == 1.) {\n\t\t\tdistToEnd = distToLine(gl_FragCoord.xy, endCutoff.xy, endCutoff.zw);\n\t\t\tif (distToEnd < 0.) {\n\t\t\t\tfloat radius = length(gl_FragCoord.xy - endCoord);\n\n\t\t\t\tif(radius > cutoff + .5) {\n\t\t\t\t\tdiscard;\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\talpha -= smoothstep(cutoff - .5, cutoff + .5, radius);\n\t\t\t}\n\t\t}\n\t}\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]),attributes:{lineEnd:{buffer:_,divisor:0,stride:8,offset:0},lineTop:{buffer:_,divisor:0,stride:8,offset:4},aColor:{buffer:b,stride:4,offset:function(t,e){return 4*e.offset},divisor:1},bColor:{buffer:b,stride:4,offset:function(t,e){return 4*e.offset+4},divisor:1},prevCoord:{buffer:w,stride:8,offset:function(t,e){return 8*e.offset},divisor:1},aCoord:{buffer:w,stride:8,offset:function(t,e){return 8+8*e.offset},divisor:1},bCoord:{buffer:w,stride:8,offset:function(t,e){return 16+8*e.offset},divisor:1},nextCoord:{buffer:w,stride:8,offset:function(t,e){return 24+8*e.offset},divisor:1}}},z)),y=t(o({vert:s(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 aCoord, bCoord, aCoordFract, bCoordFract;\nattribute vec4 color;\nattribute float lineEnd, lineTop;\n\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float thickness, pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nconst float MAX_LINES = 256.;\n\nvec2 project(vec2 position, vec2 positionFract, vec2 scale, vec2 scaleFract, vec2 translate, vec2 translateFract) {\n return (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n}\n\nvoid main() {\n\t// vec2 scaleRatio = scale * viewport.zw;\n\tvec2 normalWidth = thickness / scaleRatio;\n\n\tfloat lineStart = 1. - lineEnd;\n\tfloat lineOffset = lineTop * 2. - 1.;\n\tfloat depth = (MAX_LINES - 1. - id) / (MAX_LINES);\n\n\tvec2 diff = (bCoord + bCoordFract - aCoord - aCoordFract);\n\ttangent = normalize(diff * scaleRatio);\n\tvec2 normal = vec2(-tangent.y, tangent.x);\n\n\tvec2 position = project(aCoord, aCoordFract, scale, scaleFract, translate, translateFract) * lineStart\n\t\t+ project(bCoord, bCoordFract, scale, scaleFract, translate, translateFract) * lineEnd\n\n\t\t+ thickness * normal * .5 * lineOffset / viewport.zw;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]),frag:s(["precision highp float;\n#define GLSLIFY 1\n\nuniform sampler2D dashPattern;\nuniform vec2 dashShape;\nuniform float dashLength, pixelRatio, thickness, opacity, id;\n\nvarying vec4 fragColor;\nvarying vec2 tangent;\n\nvoid main() {\n\tfloat alpha = 1.;\n\n\tfloat t = fract(dot(tangent, gl_FragCoord.xy) / dashLength) * .5 + .25;\n\tfloat dash = texture2D(dashPattern, vec2(t * dashLength * 2. / dashShape.x, (id + .5) / dashShape.y)).r;\n\n\tgl_FragColor = fragColor * dash;\n\tgl_FragColor.a *= alpha * opacity * dash;\n}\n"]),attributes:{lineEnd:{buffer:_,divisor:0,stride:8,offset:0},lineTop:{buffer:_,divisor:0,stride:8,offset:4},aCoord:{buffer:w,stride:8,offset:function(t,e){return 8+8*e.offset},divisor:1},bCoord:{buffer:w,stride:8,offset:function(t,e){return 16+8*e.offset},divisor:1},aCoordFract:{buffer:M,stride:8,offset:function(t,e){return 8+8*e.offset},divisor:1},bCoordFract:{buffer:M,stride:8,offset:function(t,e){return 16+8*e.offset},divisor:1},color:{buffer:b,stride:4,offset:function(t,e){return 4*e.offset},divisor:1}}},z)),x=t({primitive:"triangle",elements:function(t,e){return e.triangles},offset:0,vert:s(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\n\nuniform vec4 color;\nuniform vec2 scale, scaleFract, translate, translateFract, scaleRatio;\nuniform float pixelRatio, id;\nuniform vec4 viewport;\n\nvarying vec4 fragColor;\n\nconst float MAX_LINES = 256.;\n\nvoid main() {\n\tfloat depth = (MAX_LINES - 4. - id) / (MAX_LINES);\n\n\tvec2 position = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n\tgl_Position = vec4(position * 2.0 - 1.0, depth, 1);\n\n\tfragColor = color / 255.;\n}\n"]),frag:s(["precision highp float;\n#define GLSLIFY 1\n\nuniform float opacity;\n\nvarying vec4 fragColor;\n\nvoid main() {\n\tgl_FragColor = fragColor;\n\tgl_FragColor.a *= opacity;\n}\n"]),uniforms:{scale:t.prop("scale"),color:t.prop("fill"),scaleFract:t.prop("scaleFract"),translateFract:t.prop("translateFract"),translate:t.prop("translate"),opacity:t.prop("opacity"),pixelRatio:t.context("pixelRatio"),id:t.prop("id"),viewport:function(t,e){return[e.viewport.x,e.viewport.y,t.viewportWidth,t.viewportHeight]}},attributes:{position:{buffer:w,stride:8,offset:function(t,e){return 8+8*e.offset}},positionFract:{buffer:M,stride:8,offset:function(t,e){return 8+8*e.offset}}},blend:z.blend,depth:{enable:!1},scissor:z.scissor,stencil:z.stencil,viewport:z.viewport}),o(r,{update:m,draw:d,destroy:g,regl:t,gl:A,canvas:A.canvas,lines:S}),r}},{"array-bounds":48,"array-normalize":49,"color-normalize":99,earcut:135,"flatten-vertex-data":143,glslify:502,"object-assign":462,"pick-by-alias":473,"update-diff":558}],502:[function(t,e,r){arguments[4][169][0].apply(r,arguments)},{dup:169}],503:[function(t,e,r){"use strict";var n=t("color-normalize"),i=t("array-bounds"),a=t("color-id"),o=t("snap-points-2d"),s=t("object-assign"),l=t("glslify"),c=t("binary-search-bounds"),u=t("pick-by-alias"),f=t("update-diff"),h=t("flatten-vertex-data"),d=t("is-iexplorer"),p=t("to-float32"),m=p.float32,g=p.fract32;e.exports=function(t,e){function r(t){t?x(t):null===t&&M(),p()}function p(t){if("number"==typeof t)return v(t);Array.isArray(t)?t.forEach(function(t,e){if(null!=t)return t.length?v(t,e):v(t)}):O.forEach(function(t,e){t&&v(e)})}function v(e,r){"number"==typeof e&&(e=O[e]);var n;if(Array.isArray(e)&&(n=e,e=O[r]),e&&e.count&&e.opacity){var i;if(n){i=Array(e.count);for(var a=0;a1)){var g=m.offset,v=m.count+g,y=c.ge(f,i[0],g,v-1),x=c.lt(f,i[2],y,v-1)+1;if(!(x<=y))if(r){var b=n(t.data.subarray(y,x),r);l.push(s({},e,{elements:b,marker:F[h],offset:0,count:b.length}))}else l.push(s({},e,{elements:t.elements,marker:F[h],offset:y,count:x-y}))}}return l}function x(e){if(e){null!=e.length?"number"==typeof e[0]&&(e=[{positions:e}]):Array.isArray(e)||(e=[e]);var r=0,n=0,a=0;O=e.map(function(e,l){var c=O[l];return e?("function"==typeof e?e={after:e}:"number"==typeof e[0]&&(e={positions:e}),e=u(e,{positions:"positions data points",snap:"snap cluster",size:"sizes size radius",borderSize:"borderSizes borderSize stroke-width strokeWidth outline",color:"colors color fill fill-color fillColor",borderColor:"borderColors borderColor stroke stroke-color strokeColor",palette:"palette swatch",marker:"markers marker shape",range:"range dataBox",viewport:"viewport viewBox",opacity:"opacity alpha"}),c||(O[l]=c={id:l,scale:null,translate:null,scaleFract:null,translateFract:null,markerIds:[]},e=s({},P,e)),!e.positions||"marker"in e||(e.marker=c.marker,delete c.marker),f(c,e,[{snap:!0,size:function(t){return n+=t.length?1:0,t},borderSize:function(t){return n+=t.length?1:0,t},opacity:parseFloat,color:function(t){return t=w(t),a++,t},borderColor:function(t){return t=w(t),a++,t},positions:function(t,e,n){t=h(t,"float64");var a=e.count=Math.floor(t.length/2),o=e.bounds=a?i(t,2):null;return n.range||e.range||(delete e.range,n.range=o),e.offset=r,r+=a,n.marker||e.marker||(delete e.marker,n.marker=null),t}},{marker:function(t,e,r){if(e.markerIds.length=0,t&&"number"!=typeof t[0])for(var n=0,i=t.length;ni)){c.snap=!0;var h=c.x=Array(u),d=c.w=Array(u),p=void 0;if(n.length>1){p=Array(2*u);for(var m=0;m=0)return r;var n;if(e instanceof Uint8Array||e instanceof Uint8ClampedArray)n=e;else{n=new Uint8Array(e.length);for(var i=0,a=e.length;i 1.0) {\n discard;\n }\n\n float centerFraction = fragBorderSize == 0. ? 2. : fragSize / (fragSize + fragBorderSize + 1.25);\n\n vec4 baseColor = mix(borderColor, color, smoothStep(radius, centerFraction));\n float alpha = 1.0 - pow(1.0 - baseColor.a, 1.);\n gl_FragColor = vec4(baseColor.rgb * alpha, alpha);\n}\n"]),vert:l(["precision highp float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute 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D.slice(4*r,4*r+4).map(function(t){return t/255})},borderColor:function(t,e){var r=e.borderColor.length?e.borderColor[0]:e.borderColor;return D.slice(4*r,4*r+4).map(function(t){return t/255})},pixelRatio:t.context("pixelRatio"),palette:C,scale:t.prop("scale"),scaleFract:t.prop("scaleFract"),translate:t.prop("translate"),translateFract:t.prop("translateFract"),opacity:t.prop("opacity"),marker:t.prop("marker")},attributes:{position:S,positionFract:E,size:B.attributes.size,borderSize:B.attributes.borderSize}}));else{var U=s({},B);U.frag=l(["precision mediump float;\n#define GLSLIFY 1\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragWidth, fragBorderColorLevel, fragColorLevel;\n\nuniform sampler2D marker;\nuniform float pixelRatio, opacity;\n\nfloat smoothStep(float x, float y) {\n return 1.0 / (1.0 + exp(50.0*(x - y)));\n}\n\nvoid main() {\n float dist = texture2D(marker, gl_PointCoord).r, delta = fragWidth;\n\n //max-distance alpha\n if (dist < 0.003) discard;\n\n //null-border case\n if (fragBorderColorLevel == fragColorLevel || fragBorderColor.a == 0.) {\n float colorAmt = smoothstep(.5 - delta, .5 + delta, dist);\n gl_FragColor = vec4(fragColor.rgb, colorAmt * fragColor.a);\n return;\n }\n\n float borderColorAmt = smoothstep(fragBorderColorLevel - delta, fragBorderColorLevel + delta, dist);\n float colorAmt = smoothstep(fragColorLevel - delta, fragColorLevel + delta, dist);\n\n vec4 color = fragBorderColor;\n color.a *= borderColorAmt;\n color = mix(color, fragColor, colorAmt);\n color.a *= opacity;\n\n gl_FragColor = color;\n}\n"]),U.vert=l(["precision mediump float;\n#define GLSLIFY 1\n\nattribute vec2 position, positionFract;\nattribute float size, borderSize;\nattribute float colorId, borderColorId;\n\nuniform vec2 scale, scaleFract, translate, translateFract;\nuniform float pixelRatio;\nuniform sampler2D palette;\n\nconst float paletteSize = 4096., maxSize = 100.;\nconst float borderLevel = .5;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragPointSize, fragBorderRadius,\n\t\tfragWidth, fragBorderColorLevel, fragColorLevel;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = 2. * size * pixelRatio;\n fragPointSize = size * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n + (positionFract + translateFract) * scale\n + (position + translate) * scaleFract\n + (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n\n fragBorderColorLevel = clamp(borderLevel - borderLevel * borderSize / size, 0., 1.);\n fragColorLevel = clamp(borderLevel + (1. - borderLevel) * borderSize / size, 0., 1.);\n}\n"]),k=t(U);var 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100.;\n\nvarying vec4 fragColor, fragBorderColor;\nvarying float fragBorderRadius, fragWidth;\n\nvoid main() {\n vec4 color = texture2D(palette, vec2((colorId + .5) / paletteSize, 0));\n vec4 borderColor = texture2D(palette, vec2((borderColorId + .5) / paletteSize, 0));\n\n float size = size * maxSize / 255.;\n float borderSize = borderSize * maxSize / 255.;\n\n gl_PointSize = (size + borderSize) * pixelRatio;\n\n vec2 pos = (position + translate) * scale\n\t\t\t+ (positionFract + translateFract) * scale\n\t\t\t+ (position + translate) * scaleFract\n\t\t\t+ (positionFract + translateFract) * scaleFract;\n\n gl_Position = vec4(pos * 2. - 1., 0, 1);\n\n fragBorderRadius = borderSize == 0. ? 2. : 1. - 2. * borderSize / (size + borderSize);\n fragColor = color;\n fragBorderColor = borderColor;\n fragWidth = 1. / gl_PointSize;\n}\n"]),A=t(V)}return 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r=this._validate(t,e,this.minDay,i.local.invalidMonth).toJD()-24e5+.5,n=0,o=0;or)return a[n]-a[n-1];n++}return 30},weekDay:function(t,e,r){return 5!==this.dayOfWeek(t,e,r)},toJD:function(t,e,r){var n=this._validate(t,e,r,i.local.invalidDate),o=12*(n.year()-1)+n.month()-15292;return n.day()+a[o-1]-1+24e5-.5},fromJD:function(t){for(var e=t-24e5+.5,r=0,n=0;ne);n++)r++;var i=r+15292,o=Math.floor((i-1)/12),s=o+1,l=i-12*o,c=e-a[r-1]+1;return this.newDate(s,l,c)},isValid:function(t,e,r){var n=i.baseCalendar.prototype.isValid.apply(this,arguments);return n&&(n=(t=null!=t.year?t.year:t)>=1276&&t<=1500),n},_validate:function(t,e,r,n){var a=i.baseCalendar.prototype._validate.apply(this,arguments);if(a.year<1276||a.year>1500)throw n.replace(/\{0\}/,this.local.name);return a}}),i.calendars.ummalqura=n;var 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n(){this.regionalOptions=[],this.regionalOptions[""]={invalidCalendar:"Calendar {0} not found",invalidDate:"Invalid {0} date",invalidMonth:"Invalid {0} month",invalidYear:"Invalid {0} year",differentCalendars:"Cannot mix {0} and {1} dates"},this.local=this.regionalOptions[""],this.calendars={},this._localCals={}}function i(t,e,r,n){if(this._calendar=t,this._year=e,this._month=r,this._day=n,0===this._calendar._validateLevel&&!this._calendar.isValid(this._year,this._month,this._day))throw(c.local.invalidDate||c.regionalOptions[""].invalidDate).replace(/\{0\}/,this._calendar.local.name)}function a(t,e){return t=""+t,"000000".substring(0,e-t.length)+t}function o(){this.shortYearCutoff="+10"}function s(t){this.local=this.regionalOptions[t]||this.regionalOptions[""]}var l=t("object-assign");l(n.prototype,{instance:function(t,e){t=(t||"gregorian").toLowerCase(),e=e||"";var r=this._localCals[t+"-"+e];if(!r&&this.calendars[t]&&(r=new 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0===arguments.length?this._day:this.set(t,"d")},date:function(t,e,r){if(!this._calendar.isValid(t,e,r))throw(c.local.invalidDate||c.regionalOptions[""].invalidDate).replace(/\{0\}/,this._calendar.local.name);return this._year=t,this._month=e,this._day=r,this},leapYear:function(){return this._calendar.leapYear(this)},epoch:function(){return this._calendar.epoch(this)},formatYear:function(){return this._calendar.formatYear(this)},monthOfYear:function(){return this._calendar.monthOfYear(this)},weekOfYear:function(){return this._calendar.weekOfYear(this)},daysInYear:function(){return this._calendar.daysInYear(this)},dayOfYear:function(){return this._calendar.dayOfYear(this)},daysInMonth:function(){return this._calendar.daysInMonth(this)},dayOfWeek:function(){return this._calendar.dayOfWeek(this)},weekDay:function(){return this._calendar.weekDay(this)},extraInfo:function(){return this._calendar.extraInfo(this)},add:function(t,e){return this._calendar.add(this,t,e)},set:function(t,e){return this._calendar.set(this,t,e)},compareTo:function(t){if(this._calendar.name!==t._calendar.name)throw(c.local.differentCalendars||c.regionalOptions[""].differentCalendars).replace(/\{0\}/,this._calendar.local.name).replace(/\{1\}/,t._calendar.local.name);var e=this._year!==t._year?this._year-t._year:this._month!==t._month?this.monthOfYear()-t.monthOfYear():this._day-t._day;return 0===e?0:e<0?-1:1},calendar:function(){return this._calendar},toJD:function(){return this._calendar.toJD(this)},fromJD:function(t){return this._calendar.fromJD(t)},toJSDate:function(){return this._calendar.toJSDate(this)},fromJSDate:function(t){return this._calendar.fromJSDate(t)},toString:function(){return(this.year()<0?"-":"")+a(Math.abs(this.year()),4)+"-"+a(this.month(),2)+"-"+a(this.day(),2)}}),l(o.prototype,{_validateLevel:0,newDate:function(t,e,r){return null==t?this.today():(t.year&&(this._validate(t,e,r,c.local.invalidDate||c.regionalOptions[""].invalidDate),r=t.day(),e=t.month(),t=t.year()),new i(this,t,e,r))},today:function(){return this.fromJSDate(new Date)},epoch:function(t){return this._validate(t,this.minMonth,this.minDay,c.local.invalidYear||c.regionalOptions[""].invalidYear).year()<0?this.local.epochs[0]:this.local.epochs[1]},formatYear:function(t){var e=this._validate(t,this.minMonth,this.minDay,c.local.invalidYear||c.regionalOptions[""].invalidYear);return(e.year()<0?"-":"")+a(Math.abs(e.year()),4)},monthsInYear:function(t){return this._validate(t,this.minMonth,this.minDay,c.local.invalidYear||c.regionalOptions[""].invalidYear),12},monthOfYear:function(t,e){var r=this._validate(t,e,this.minDay,c.local.invalidMonth||c.regionalOptions[""].invalidMonth);return(r.month()+this.monthsInYear(r)-this.firstMonth)%this.monthsInYear(r)+this.minMonth},fromMonthOfYear:function(t,e){var r=(e+this.firstMonth-2*this.minMonth)%this.monthsInYear(t)+this.minMonth;return 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K=n.max(F.selectAll(".angular-tick text")[0].map(function(t,e){return t.getCTM().e+t.getBBox().width}));O.attr({transform:"translate("+[x+K,h.margin.top]+")"});var Q=t.select("g.geometry-group").selectAll("g").size()>0,$=t.select("g.geometry-group").selectAll("g.geometry").data(p);if($.enter().append("g").attr({class:function(t,e){return"geometry geometry"+e}}),$.exit().remove(),p[0]||Q){var tt=[];p.forEach(function(t,e){var n={};n.radialScale=r,n.angularScale=s,n.container=$.filter(function(t,r){return r==e}),n.geometry=t.geometry,n.orientation=h.orientation,n.direction=h.direction,n.index=e,tt.push({data:t,geometryConfig:n})});var et=[];n.nest().key(function(t,e){return void 0!==t.data.groupId||"unstacked"}).entries(tt).forEach(function(t,e){"unstacked"===t.key?et=et.concat(t.values.map(function(t,e){return[t]})):et.push(t.values)}),et.forEach(function(t,e){var r;r=Array.isArray(t)?t[0].geometryConfig.geometry:t.geometryConfig.geometry;var n=t.map(function(t,e){return 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t},n.rebind(h,f,"on"),h},o.Axis.defaultConfig=function(t,e){return{data:[{t:[1,2,3,4],r:[10,11,12,13],name:"Line1",geometry:"LinePlot",color:null,strokeDash:"solid",strokeColor:null,strokeSize:"1",visibleInLegend:!0,opacity:1}],layout:{defaultColorRange:n.scale.category10().range(),title:null,height:450,width:500,margin:{top:40,right:40,bottom:40,left:40},font:{size:12,color:"gray",outlineColor:"white",family:"Tahoma, 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n=e*Math.PI/180;return[e,t(n)]})},o.util.dataFromEquation=function(t,e,r){var i=e||6,a=[],o=[];n.range(0,360+i,i).forEach(function(e,r){var n=e*Math.PI/180,i=t(n);a.push(e),o.push(i)});var s={t:a,r:o};return r&&(s.name=r),s},o.util.ensureArray=function(t,e){if(void 0===t)return null;var r=[].concat(t);return n.range(e).map(function(t,e){return r[e]||r[0]})},o.util.fillArrays=function(t,e,r){return e.forEach(function(e,n){t[e]=o.util.ensureArray(t[e],r)}),t},o.util.cloneJson=function(t){return JSON.parse(JSON.stringify(t))},o.util.validateKeys=function(t,e){"string"==typeof e&&(e=e.split("."));var r=e.shift();return t[r]&&(!e.length||objHasKeys(t[r],e))},o.util.sumArrays=function(t,e){return n.zip(t,e).map(function(t,e){return n.sum(t)})},o.util.arrayLast=function(t){return t[t.length-1]},o.util.arrayEqual=function(t,e){for(var r=Math.max(t.length,e.length,1);r-- >=0&&t[r]===e[r];);return-2===r},o.util.flattenArray=function(t){for(var e=[];!o.util.arrayEqual(e,t);)e=t,t=[].concat.apply([],t);return t},o.util.deduplicate=function(t){return t.filter(function(t,e,r){return r.indexOf(t)==e})},o.util.convertToCartesian=function(t,e){var r=e*Math.PI/180;return[t*Math.cos(r),t*Math.sin(r)]},o.util.round=function(t,e){var r=e||2,n=Math.pow(10,r);return Math.round(t*n)/n},o.util.getMousePos=function(t){var e=n.mouse(t.node()),r=e[0],i=e[1],a={};return a.x=r,a.y=i,a.pos=e,a.angle=180*(Math.atan2(i,r)+Math.PI)/Math.PI,a.radius=Math.sqrt(r*r+i*i),a},o.util.duplicatesCount=function(t){for(var e,r={},n={},i=0,a=t.length;i0)){var l=n.select(this.parentNode).selectAll("path.line").data([0]);l.enter().insert("path"),l.attr({class:"line",d:u(s),transform:function(e,r){return"rotate("+(t.orientation+90)+")"},"pointer-events":"none"}).style({fill:function(t,e){return p.fill(r,i,a)},"fill-opacity":0,stroke:function(t,e){return p.stroke(r,i,a)},"stroke-width":function(t,e){return p["stroke-width"](r,i,a)},"stroke-dasharray":function(t,e){return p["stroke-dasharray"](r,i,a)},opacity:function(t,e){return p.opacity(r,i,a)},display:function(t,e){return p.display(r,i,a)}})}};var f=t.angularScale.range(),h=Math.abs(f[1]-f[0])/o[0].length*Math.PI/180,d=n.svg.arc().startAngle(function(t){return-h/2}).endAngle(function(t){return h/2}).innerRadius(function(e){return t.radialScale(l+(e[2]||0))}).outerRadius(function(e){return t.radialScale(l+(e[2]||0))+t.radialScale(e[1])});c.arc=function(e,r,i){n.select(this).attr({class:"mark arc",d:d,transform:function(e,r){return"rotate("+(t.orientation+s(e[0])+90)+")"}})};var p={fill:function(t,r,n){return e[n].data.color},stroke:function(t,r,n){return e[n].data.strokeColor},"stroke-width":function(t,r,n){return e[n].data.strokeSize+"px"},"stroke-dasharray":function(t,r,n){return a[e[n].data.strokeDash]},opacity:function(t,r,n){return e[n].data.opacity},display:function(t,r,n){return void 0===e[n].data.visible||e[n].data.visible?"block":"none"}},m=n.select(this).selectAll("g.layer").data(o);m.enter().append("g").attr({class:"layer"});var g=m.selectAll("path.mark").data(function(t,e){return t});g.enter().append("path").attr({class:"mark"}),g.style(p).each(c[t.geometryType]),g.exit().remove(),m.exit().remove()})}var e=[o.PolyChart.defaultConfig()],r=n.dispatch("hover"),a={solid:"none",dash:[5,2],dot:[2,5]};return t.config=function(t){return arguments.length?(t.forEach(function(t,r){e[r]||(e[r]={}),i(e[r],o.PolyChart.defaultConfig()),i(e[r],t)}),this):e},t.getColorScale=function(){},n.rebind(t,r,"on"),t},o.PolyChart.defaultConfig=function(){return{data:{name:"geom1",t:[[1,2,3,4]],r:[[1,2,3,4]],dotType:"circle",dotSize:64,dotVisible:!1,barWidth:20,color:"#ffa500",strokeSize:1,strokeColor:"silver",strokeDash:"solid",opacity:1,index:0,visible:!0,visibleInLegend:!0},geometryConfig:{geometry:"LinePlot",geometryType:"arc",direction:"clockwise",orientation:0,container:"body",radialScale:null,angularScale:null,colorScale:n.scale.category20()}}},o.BarChart=function(){return o.PolyChart()},o.BarChart.defaultConfig=function(){return{geometryConfig:{geometryType:"bar"}}},o.AreaChart=function(){return o.PolyChart()},o.AreaChart.defaultConfig=function(){return{geometryConfig:{geometryType:"arc"}}},o.DotPlot=function(){return o.PolyChart()},o.DotPlot.defaultConfig=function(){return{geometryConfig:{geometryType:"dot",dotType:"circle"}}},o.LinePlot=function(){return o.PolyChart()},o.LinePlot.defaultConfig=function(){return{geometryConfig:{geometryType:"line"}}},o.Legend=function(){function t(){var r=e.legendConfig,a=e.data.map(function(t,e){return[].concat(t).map(function(t,n){var a=i({},r.elements[e]);return a.name=t,a.color=[].concat(r.elements[e].color)[n],a})}),o=n.merge(a);o=o.filter(function(t,e){return r.elements[e]&&(r.elements[e].visibleInLegend||void 0===r.elements[e].visibleInLegend)}),r.reverseOrder&&(o=o.reverse());var s=r.container;("string"==typeof s||s.nodeName)&&(s=n.select(s));var l=o.map(function(t,e){return t.color}),c=r.fontSize,u=null==r.isContinuous?"number"==typeof o[0]:r.isContinuous,f=u?r.height:c*o.length,h=s.classed("legend-group",!0).selectAll("svg").data([0]),d=h.enter().append("svg").attr({width:300,height:f+c,xmlns:"http://www.w3.org/2000/svg","xmlns:xlink":"http://www.w3.org/1999/xlink",version:"1.1"});d.append("g").classed("legend-axis",!0),d.append("g").classed("legend-marks",!0);var p=n.range(o.length),m=n.scale[u?"linear":"ordinal"]().domain(p).range(l),g=n.scale[u?"linear":"ordinal"]().domain(p)[u?"range":"rangePoints"]([0,f]);if(u){var v=h.select(".legend-marks").append("defs").append("linearGradient").attr({id:"grad1",x1:"0%",y1:"0%",x2:"0%",y2:"100%"}).selectAll("stop").data(l);v.enter().append("stop"),v.attr({offset:function(t,e){return e/(l.length-1)*100+"%"}}).style({"stop-color":function(t,e){return t}}),h.append("rect").classed("legend-mark",!0).attr({height:r.height,width:r.colorBandWidth,fill:"url(#grad1)"})}else{var y=h.select(".legend-marks").selectAll("path.legend-mark").data(o);y.enter().append("path").classed("legend-mark",!0),y.attr({transform:function(t,e){return"translate("+[c/2,g(e)+c/2]+")"},d:function(t,e){return function(t,e){var r=3*e;return"line"===t?"M"+[[-e/2,-e/12],[e/2,-e/12],[e/2,e/12],[-e/2,e/12]]+"Z":-1!=n.svg.symbolTypes.indexOf(t)?n.svg.symbol().type(t).size(r)():n.svg.symbol().type("square").size(r)()}(t.symbol,c)},fill:function(t,e){return m(e)}}),y.exit().remove()}var x=n.svg.axis().scale(g).orient("right"),b=h.select("g.legend-axis").attr({transform:"translate("+[u?r.colorBandWidth:c,c/2]+")"}).call(x);return b.selectAll(".domain").style({fill:"none",stroke:"none"}),b.selectAll("line").style({fill:"none",stroke:u?r.textColor:"none"}),b.selectAll("text").style({fill:r.textColor,"font-size":r.fontSize}).text(function(t,e){return o[e].name}),t}var e=o.Legend.defaultConfig(),r=n.dispatch("hover");return t.config=function(t){return arguments.length?(i(e,t),this):e},n.rebind(t,r,"on"),t},o.Legend.defaultConfig=function(t,e){return{data:["a","b","c"],legendConfig:{elements:[{symbol:"line",color:"red"},{symbol:"square",color:"yellow"},{symbol:"diamond",color:"limegreen"}],height:150,colorBandWidth:30,fontSize:12,container:"body",isContinuous:null,textColor:"grey",reverseOrder:!1}}},o.tooltipPanel=function(){var t,e,r,a={container:null,hasTick:!1,fontSize:12,color:"white",padding:5},s="tooltip-"+o.tooltipPanel.uid++,l=10,c=function(){var n=(t=a.container.selectAll("g."+s).data([0])).enter().append("g").classed(s,!0).style({"pointer-events":"none",display:"none"});return r=n.append("path").style({fill:"white","fill-opacity":.9}).attr({d:"M0 0"}),e=n.append("text").attr({dx:a.padding+l,dy:.3*+a.fontSize}),c};return c.text=function(i){var o=n.hsl(a.color).l,s=o>=.5?"#aaa":"white",u=o>=.5?"black":"white",f=i||"";e.style({fill:u,"font-size":a.fontSize+"px"}).text(f);var h=a.padding,d=e.node().getBBox(),p={fill:a.color,stroke:s,"stroke-width":"2px"},m=d.width+2*h+l,g=d.height+2*h;return r.attr({d:"M"+[[l,-g/2],[l,-g/4],[a.hasTick?0:l,0],[l,g/4],[l,g/2],[m,g/2],[m,-g/2]].join("L")+"Z"}).style(p),t.attr({transform:"translate("+[l,-g/2+2*h]+")"}),t.style({display:"block"}),c},c.move=function(e){if(t)return t.attr({transform:"translate("+[e[0],e[1]]+")"}).style({display:"block"}),c},c.hide=function(){if(t)return t.style({display:"none"}),c},c.show=function(){if(t)return t.style({display:"block"}),c},c.config=function(t){return i(a,t),c},c},o.tooltipPanel.uid=1,o.adapter={},o.adapter.plotly=function(){var t={};return t.convert=function(t,e){var r={};if(t.data&&(r.data=t.data.map(function(t,r){var n=i({},t);return[[n,["marker","color"],["color"]],[n,["marker","opacity"],["opacity"]],[n,["marker","line","color"],["strokeColor"]],[n,["marker","line","dash"],["strokeDash"]],[n,["marker","line","width"],["strokeSize"]],[n,["marker","symbol"],["dotType"]],[n,["marker","size"],["dotSize"]],[n,["marker","barWidth"],["barWidth"]],[n,["line","interpolation"],["lineInterpolation"]],[n,["showlegend"],["visibleInLegend"]]].forEach(function(t,r){o.util.translator.apply(null,t.concat(e))}),e||delete n.marker,e&&delete n.groupId,e?("LinePlot"===n.geometry?(n.type="scatter",!0===n.dotVisible?(delete n.dotVisible,n.mode="lines+markers"):n.mode="lines"):"DotPlot"===n.geometry?(n.type="scatter",n.mode="markers"):"AreaChart"===n.geometry?n.type="area":"BarChart"===n.geometry&&(n.type="bar"),delete n.geometry):("scatter"===n.type?"lines"===n.mode?n.geometry="LinePlot":"markers"===n.mode?n.geometry="DotPlot":"lines+markers"===n.mode&&(n.geometry="LinePlot",n.dotVisible=!0):"area"===n.type?n.geometry="AreaChart":"bar"===n.type&&(n.geometry="BarChart"),delete n.mode,delete n.type),n}),!e&&t.layout&&"stack"===t.layout.barmode)){var a=o.util.duplicates(r.data.map(function(t,e){return t.geometry}));r.data.forEach(function(t,e){var n=a.indexOf(t.geometry);-1!=n&&(r.data[e].groupId=n)})}if(t.layout){var 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clamp(m[2], lo[2], hi[2]),\n clamp(m[3], lo[3], hi[3]));\n}\n\nbool mshow(mat4 p, mat4 lo, mat4 hi) {\n return mclamp(p, lo, hi) == p;\n}\n\nfloat val(mat4 p, mat4 v) {\n return dot(matrixCompMult(p, v) * unit, unit);\n}\n\nvoid main() {\n\n float x = 0.5 * sign(pf[3]) + 0.5;\n float prominence = abs(pf[3]);\n float depth = 1.0 - prominence;\n\n mat4 pA = mat4(p0, p1, p2, p3);\n mat4 pB = mat4(p4, p5, p6, p7);\n mat4 pC = mat4(p8, p9, pa, pb);\n mat4 pD = mat4(pc, pd, pe, abs(pf));\n\n float show = float(mshow(pA, loA, hiA) &&\n mshow(pB, loB, hiB) &&\n mshow(pC, loC, hiC) &&\n mshow(pD, loD, hiD));\n\n vec2 yy = show * vec2(val(pA, dim2A) + val(pB, dim2B) + val(pC, dim2C) + val(pD, dim2D),\n val(pA, dim1A) + val(pB, dim1B) + val(pC, dim1C) + val(pD, dim1D));\n\n vec2 dimensionToggle = vec2(x, 1.0 - x);\n\n vec2 scatterToggle = vec2(scatter, 1.0 - scatter);\n\n float y = dot(yy, dimensionToggle);\n mat2 xy = mat2(viewBoxSize * yy + dimensionToggle, viewBoxSize * vec2(x, y));\n\n vec2 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fragColor;\n}\n",primitive:"lines",lineWidth:1,attributes:O,uniforms:{resolution:F.prop("resolution"),viewBoxPosition:F.prop("viewBoxPosition"),viewBoxSize:F.prop("viewBoxSize"),dim1A:F.prop("dim1A"),dim2A:F.prop("dim2A"),dim1B:F.prop("dim1B"),dim2B:F.prop("dim2B"),dim1C:F.prop("dim1C"),dim2C:F.prop("dim2C"),dim1D:F.prop("dim1D"),dim2D:F.prop("dim2D"),loA:F.prop("loA"),hiA:F.prop("hiA"),loB:F.prop("loB"),hiB:F.prop("hiB"),loC:F.prop("loC"),hiC:F.prop("hiC"),loD:F.prop("loD"),hiD:F.prop("hiD"),palette:R,colorClamp:F.prop("colorClamp"),scatter:F.prop("scatter")},offset:F.prop("offset"),count:F.prop("count")}),j=[0,1],B=[];return{setColorDomain:function(t){j[0]=t[0],j[1]=t[1]},render:function(t,e,a){var o,s,l,c=1/0,f=-1/0;for(o=0;of&&(f=t[o].dim2.canvasX,l=o),t[o].dim1.canvasXi)return a;i=o,a=n[r]}return n[n.length-1]}function o(t){return d.scale.linear().domain(i(t))}function s(t,e,r){var i=v(e),a=i.trace,s=i.lineColor,l=i.cscale,c=a.line,u=a.domain,p=a.dimensions,m=t.width,g=a.labelfont,y=a.tickfont,x=a.rangefont,b=h.extendDeep({},c,{color:s.map(o({values:s,range:[c.cmin,c.cmax]})),blockLineCount:f.blockLineCount,canvasOverdrag:f.overdrag*f.canvasPixelRatio}),_=Math.floor(m*(u.x[1]-u.x[0])),w=Math.floor(t.height*(u.y[1]-u.y[0])),M=t.margin||{l:80,r:80,t:100,b:80},k=_,A=w;return{key:r,colCount:p.filter(n).length,dimensions:p,tickDistance:f.tickDistance,unitToColor:function(t){var e=t.map(function(t){return t[0]}),r=t.map(function(t){return t[1]}).map(function(t){return d.rgb(t)}),n="rgb".split("").map(function(t){return d.scale.linear().clamp(!0).domain(e).range(r.map(function(t){return function(e){return e[t]}}(t)))});return function(t){return n.map(function(e){return e(t)})}}(l),lines:b,labelFont:g,tickFont:y,rangeFont:x,layoutWidth:m,layoutHeight:t.height,domain:u,translateX:u.x[0]*m,translateY:t.height-u.y[1]*t.height,pad:M,canvasWidth:k*f.canvasPixelRatio+2*b.canvasOverdrag,canvasHeight:A*f.canvasPixelRatio,width:k,height:A,canvasPixelRatio:f.canvasPixelRatio}}function l(t){var e=t.width,r=t.height,a=t.dimensions,s=t.canvasPixelRatio,l=function(r){return e*r/Math.max(1,t.colCount-1)},c=f.verticalPadding/(r*s),u=1-2*c,h=function(t){return c+u*t},p={key:t.key,xScale:l,model:t},m={};return p.dimensions=a.filter(n).map(function(e,n){var a=o(e),c=m[e.label];m[e.label]=(c||0)+1;return{key:e.label+(c?"__"+c:""),label:e.label,tickFormat:e.tickformat,tickvals:e.tickvals,ticktext:e.ticktext,ordinal:!!e.tickvals,scatter:f.scatter||e.scatter,xIndex:n,crossfilterDimensionIndex:n,visibleIndex:e._index,height:r,values:e.values,paddedUnitValues:e.values.map(a).map(h),xScale:l,x:l(n),canvasX:l(n)*s,unitScale:function(t,e){return d.scale.linear().range([t-e,e])}(r,f.verticalPadding),domainScale:function(t,e,r){var n=i(r),a=r.ticktext;return r.tickvals?d.scale.ordinal().domain(r.tickvals.map(function(t,e){return function(r,n){if(e){var i=e[n];return null===i||void 0===i?t(r):i}return t(r)}}(d.format(r.tickformat),a))).range(r.tickvals.map(function(t){return(t-n[0])/(n[1]-n[0])}).map(function(r){return t-e+r*(e-(t-e))})):d.scale.linear().domain(n).range([t-e,e])}(r,f.verticalPadding,e),ordinalScale:function(t){var e=i(t);return t.tickvals&&d.scale.ordinal().domain(t.tickvals).range(t.tickvals.map(function(t){return(t-e[0])/(e[1]-e[0])}))}(e),domainToUnitScale:a,filter:e.constraintrange?e.constraintrange.map(a):[0,1],parent:p,model:t}}),p}function c(t){t.classed(f.cn.axisExtentText,!0).attr("text-anchor","middle").style("cursor","default").style("user-select","none")}var u=t("./lines"),f=t("./constants"),h=t("../../lib"),d=t("d3"),p=t("../../components/drawing"),m=t("../../lib/gup").keyFun,g=t("../../lib/gup").repeat,v=t("../../lib/gup").unwrap;e.exports=function(t,e,r,n,i,o){function y(t){return t.dimensions.some(function(t){return 0!==t.filter[0]||1!==t.filter[1]})}function x(t,e){return(f.scatter?function(t,e){for(var r=e.panels||(e.panels=[]),n=t.each(function(t){return t})[e.key].map(function(t){return t.__data__}),i=n.length-1,a=i,o=0;o=r||s>=n)return;var l=t.lineLayer.readPixel(a,n-1-s),c=0!==l[3],u=c?l[2]+256*(l[1]+256*l[0]):null,f={x:a,y:s,clientX:e.clientX,clientY:e.clientY,dataIndex:t.model.key,curveNumber:u};u!==L&&(c?o.hover(f):o.unhover&&o.unhover(f),L=u)}}),S.style("opacity",function(t){return t.pick?.01:1}),e.style("background","rgba(255, 255, 255, 0)");var C=e.selectAll("."+f.cn.parcoords).data(T,m);C.exit().remove(),C.enter().append("g").classed(f.cn.parcoords,!0).attr("overflow","visible").style("box-sizing","content-box").style("position","absolute").style("left",0).style("overflow","visible").style("shape-rendering","crispEdges").style("pointer-events","none").call(function(t){var e=t.selectAll("defs").data(g,m);e.enter().append("defs");var r=e.selectAll("#"+f.id.filterBarPattern).data(g,m);r.enter().append("pattern").attr("id",f.id.filterBarPattern).attr("patternUnits","userSpaceOnUse"),r.attr("x",-f.bar.width).attr("width",f.bar.capturewidth).attr("height",function(t){return t.model.height});var n=r.selectAll("rect").data(g,m);n.enter().append("rect").attr("shape-rendering","crispEdges"),n.attr("height",function(t){return t.model.height}).attr("width",f.bar.width).attr("x",f.bar.width/2).attr("fill",f.bar.fillcolor).attr("fill-opacity",f.bar.fillopacity).attr("stroke",f.bar.strokecolor).attr("stroke-opacity",f.bar.strokeopacity).attr("stroke-width",f.bar.strokewidth)}),C.attr("width",function(t){return t.model.width+t.model.pad.l+t.model.pad.r}).attr("height",function(t){return t.model.height+t.model.pad.t+t.model.pad.b}).attr("transform",function(t){return"translate("+t.model.translateX+","+t.model.translateY+")"});var z=C.selectAll("."+f.cn.parcoordsControlView).data(g,m);z.enter().append("g").classed(f.cn.parcoordsControlView,!0).style("box-sizing","content-box"),z.attr("transform",function(t){return"translate("+t.model.pad.l+","+t.model.pad.t+")"});var D=z.selectAll("."+f.cn.yAxis).data(function(t){return t.dimensions},m);D.enter().append("g").classed(f.cn.yAxis,!0).each(function(t){E.dimensions.push(t)}),z.each(function(t){x(D,t)}),S.filter(function(t){return!!t.viewModel}).each(function(t){t.lineLayer=u(this,t,f.scatter),t.viewModel[t.key]=t.lineLayer,E.renderers.push(function(){t.lineLayer.render(t.viewModel.panels,!0)}),t.lineLayer.render(t.viewModel.panels,!t.context)}),D.attr("transform",function(t){return"translate("+t.xScale(t.xIndex)+", 0)"}),D.call(d.behavior.drag().origin(function(t){return t}).on("drag",function(t){var e=t.parent;A=!1,k||(t.x=Math.max(-f.overdrag,Math.min(t.model.width+f.overdrag,d.event.x)),t.canvasX=t.x*t.model.canvasPixelRatio,D.sort(function(t,e){return t.x-e.x}).each(function(e,r){e.xIndex=r,e.x=t===e?e.x:e.xScale(e.xIndex),e.canvasX=e.x*e.model.canvasPixelRatio}),x(D,e),D.filter(function(e){return 0!==Math.abs(t.xIndex-e.xIndex)}).attr("transform",function(t){return"translate("+t.xScale(t.xIndex)+", 0)"}),d.select(this).attr("transform","translate("+t.x+", 0)"),D.each(function(r,n,i){i===t.parent.key&&(e.dimensions[n]=r)}),e.contextLayer&&e.contextLayer.render(e.panels,!1,!y(e)),e.focusLayer.render&&e.focusLayer.render(e.panels))}).on("dragend",function(t){var e=t.parent;k?"ending"===k&&(k=!1):(t.x=t.xScale(t.xIndex),t.canvasX=t.x*t.model.canvasPixelRatio,x(D,e),d.select(this).attr("transform",function(t){return"translate("+t.x+", 0)"}),e.contextLayer&&e.contextLayer.render(e.panels,!1,!y(e)),e.focusLayer&&e.focusLayer.render(e.panels),e.pickLayer&&e.pickLayer.render(e.panels,!0),A=!0,o&&o.axesMoved&&o.axesMoved(e.key,e.dimensions.map(function(t){return t.crossfilterDimensionIndex})))})),D.exit().remove();var I=D.selectAll("."+f.cn.axisOverlays).data(g,m);I.enter().append("g").classed(f.cn.axisOverlays,!0),I.selectAll("."+f.cn.axis).remove();var P=I.selectAll("."+f.cn.axis).data(g,m);P.enter().append("g").classed(f.cn.axis,!0),P.each(function(t){var e=t.model.height/t.model.tickDistance,r=t.domainScale,n=r.domain();d.select(this).call(d.svg.axis().orient("left").tickSize(4).outerTickSize(2).ticks(e,t.tickFormat).tickValues(t.ordinal?n:null).tickFormat(t.ordinal?function(t){return t}:null).scale(r)),p.font(P.selectAll("text"),t.model.tickFont)}),P.selectAll(".domain, .tick>line").attr("fill","none").attr("stroke","black").attr("stroke-opacity",.25).attr("stroke-width","1px"),P.selectAll("text").style("text-shadow","1px 1px 1px #fff, -1px -1px 1px #fff, 1px -1px 1px #fff, -1px 1px 1px #fff").style("cursor","default").style("user-select","none");var O=I.selectAll("."+f.cn.axisHeading).data(g,m);O.enter().append("g").classed(f.cn.axisHeading,!0);var F=O.selectAll("."+f.cn.axisTitle).data(g,m);F.enter().append("text").classed(f.cn.axisTitle,!0).attr("text-anchor","middle").style("cursor","ew-resize").style("user-select","none").style("pointer-events","auto"),F.attr("transform","translate(0,"+-f.axisTitleOffset+")").text(function(t){return t.label}).each(function(t){p.font(F,t.model.labelFont)});var R=I.selectAll("."+f.cn.axisExtent).data(g,m);R.enter().append("g").classed(f.cn.axisExtent,!0);var N=R.selectAll("."+f.cn.axisExtentTop).data(g,m);N.enter().append("g").classed(f.cn.axisExtentTop,!0),N.attr("transform","translate(0,"+-f.axisExtentOffset+")");var j=N.selectAll("."+f.cn.axisExtentTopText).data(g,m);j.enter().append("text").classed(f.cn.axisExtentTopText,!0).call(c),j.text(function(t){return b(t)(t.domainScale.domain().slice(-1)[0])}).each(function(t){p.font(j,t.model.rangeFont)});var B=R.selectAll("."+f.cn.axisExtentBottom).data(g,m);B.enter().append("g").classed(f.cn.axisExtentBottom,!0),B.attr("transform",function(t){return"translate(0,"+(t.model.height+f.axisExtentOffset)+")"});var U=B.selectAll("."+f.cn.axisExtentBottomText).data(g,m);U.enter().append("text").classed(f.cn.axisExtentBottomText,!0).attr("dy","0.75em").call(c),U.text(function(t){return b(t)(t.domainScale.domain()[0])}).each(function(t){p.font(U,t.model.rangeFont)});var V=I.selectAll("."+f.cn.axisBrush).data(g,m),q=V.enter().append("g").classed(f.cn.axisBrush,!0);V.each(function(t){t.brush||(t.brush=d.svg.brush().y(t.unitScale).on("brushstart",_).on("brush",w).on("brushend",M),0===t.filter[0]&&1===t.filter[1]||t.brush.extent(t.filter),d.select(this).call(t.brush))}),q.selectAll("rect").attr("x",-f.bar.capturewidth/2).attr("width",f.bar.capturewidth),q.selectAll("rect.extent").attr("fill","url(#"+f.id.filterBarPattern+")").style("cursor","ns-resize").filter(function(t){return 0===t.filter[0]&&1===t.filter[1]}).attr("y",-100),q.selectAll(".resize rect").attr("height",f.bar.handleheight).attr("opacity",0).style("visibility","visible"),q.selectAll(".resize.n rect").style("cursor","n-resize").attr("y",f.bar.handleoverlap-f.bar.handleheight),q.selectAll(".resize.s rect").style("cursor","s-resize").attr("y",f.bar.handleoverlap);var H=!1,G=!1;return E}},{"../../components/drawing":643,"../../lib":743,"../../lib/gup":740,"./constants":1035,"./lines":1038,d3:128}],1040:[function(t,e,r){(function(r){"use strict";var n=t("./parcoords"),i=t("regl");e.exports=function(t,e){var a=t._fullLayout,o=a._toppaper,s=a._paperdiv,l=a._glcontainer;a._glcanvas.each(function(e){e.regl||(e.regl=i({canvas:this,attributes:{antialias:!e.pick,preserveDrawingBuffer:!0},pixelRatio:t._context.plotGlPixelRatio||r.devicePixelRatio}))});var c={},u={},f=a._size;e.forEach(function(e,r){c[r]=t.data[r].dimensions,u[r]=t.data[r].dimensions.slice()});n(s,o,l,e,{width:f.w,height:f.h,margin:{t:f.t,r:f.r,b:f.b,l:f.l}},{filterChanged:function(e,r,n){var i=u[e][r],a=i.constraintrange;a&&2===a.length||(a=i.constraintrange=[]),a[0]=n[0],a[1]=n[1],t.emit("plotly_restyle")},hover:function(e){t.emit("plotly_hover",e)},unhover:function(e){t.emit("plotly_unhover",e)},axesMoved:function(e,r){function n(t){return!("visible"in t)||t.visible}function i(t,e,r){var n=e.indexOf(r),i=t.indexOf(n);return-1===i&&(i+=e.length),i}var a=function(t){return function(e,n){return i(r,t,e)-i(r,t,n)}}(u[e].filter(n));c[e].sort(a),u[e].filter(function(t){return!n(t)}).sort(function(t){return u[e].indexOf(t)}).forEach(function(t){c[e].splice(c[e].indexOf(t),1),c[e].splice(u[e].indexOf(t),0,t)}),t.emit("plotly_restyle")}})}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./parcoords":1039,regl:506}],1041:[function(t,e,r){"use strict";var n=t("../../components/color/attributes"),i=t("../../plots/font_attributes"),a=t("../../plots/attributes"),o=t("../../plots/domain_attributes"),s=t("../../lib/extend").extendFlat,l=i({editType:"calc",colorEditType:"style"});e.exports={labels:{valType:"data_array",editType:"calc"},label0:{valType:"number",dflt:0,editType:"calc"},dlabel:{valType:"number",dflt:1,editType:"calc"},values:{valType:"data_array",editType:"calc"},marker:{colors:{valType:"data_array",editType:"calc"},line:{color:{valType:"color",dflt:n.defaultLine,arrayOk:!0,editType:"style"},width:{valType:"number",min:0,dflt:0,arrayOk:!0,editType:"style"},editType:"calc"},editType:"calc"},text:{valType:"data_array",editType:"calc"},hovertext:{valType:"string",dflt:"",arrayOk:!0,editType:"style"},scalegroup:{valType:"string",dflt:"",editType:"calc"},textinfo:{valType:"flaglist",flags:["label","text","value","percent"],extras:["none"],editType:"calc"},hoverinfo:s({},a.hoverinfo,{flags:["label","text","value","percent","name"]}),textposition:{valType:"enumerated",values:["inside","outside","auto","none"],dflt:"auto",arrayOk:!0,editType:"calc"},textfont:s({},l,{}),insidetextfont:s({},l,{}),outsidetextfont:s({},l,{}),domain:o({name:"pie",trace:!0,editType:"calc"}),hole:{valType:"number",min:0,max:1,dflt:0,editType:"calc"},sort:{valType:"boolean",dflt:!0,editType:"calc"},direction:{valType:"enumerated",values:["clockwise","counterclockwise"],dflt:"counterclockwise",editType:"calc"},rotation:{valType:"number",min:-360,max:360,dflt:0,editType:"calc"},pull:{valType:"number",min:0,max:1,dflt:0,arrayOk:!0,editType:"calc"}}},{"../../components/color/attributes":617,"../../lib/extend":732,"../../plots/attributes":787,"../../plots/domain_attributes":815,"../../plots/font_attributes":816}],1042:[function(t,e,r){"use strict";var n=t("../../registry");r.name="pie",r.plot=function(t){var e=n.getModule("pie"),r=function(t,e){for(var r=[],n=0;n")}}return y};var l},{"../../components/color":618,"./helpers":1046,"fast-isnumeric":140,tinycolor2:546}],1044:[function(t,e,r){"use strict";var n=t("../../lib"),i=t("./attributes");e.exports=function(t,e,r,a){function o(r,a){return n.coerce(t,e,i,r,a)}var s=n.coerceFont,l=o("values"),c=o("labels");if(!Array.isArray(c)){if(!Array.isArray(l)||!l.length)return void(e.visible=!1);o("label0"),o("dlabel")}o("marker.line.width")&&o("marker.line.color");var u=o("marker.colors");Array.isArray(u)||(e.marker.colors=[]),o("scalegroup");var f=o("text"),h=o("textinfo",Array.isArray(f)?"text+percent":"percent");if(o("hovertext"),h&&"none"!==h){var d=o("textposition"),p=Array.isArray(d)||"auto"===d,m=p||"inside"===d,g=p||"outside"===d;if(m||g){var v=s(o,"textfont",a.font);m&&s(o,"insidetextfont",v),g&&s(o,"outsidetextfont",v)}}o("domain.x"),o("domain.y"),o("hole"),o("sort"),o("direction"),o("rotation"),o("pull")}},{"../../lib":743,"./attributes":1041}],1045:[function(t,e,r){"use strict";var n=t("../../components/fx/helpers").appendArrayMultiPointValues;e.exports=function(t,e){var r={curveNumber:e.index,pointNumbers:t.pts,data:e._input,fullData:e,label:t.label,color:t.color,value:t.v,v:t.v};return 1===t.pts.length&&(r.pointNumber=r.i=t.pts[0]),n(r,e,t.pts),r}},{"../../components/fx/helpers":657}],1046:[function(t,e,r){"use strict";var n=t("../../lib");r.formatPiePercent=function(t,e){var r=(100*t).toPrecision(3);return-1!==r.lastIndexOf(".")&&(r=r.replace(/[.]?0+$/,"")),n.numSeparate(r,e)+"%"},r.formatPieValue=function(t,e){var r=t.toPrecision(10);return-1!==r.lastIndexOf(".")&&(r=r.replace(/[.]?0+$/,"")),n.numSeparate(r,e)},r.getFirstFilled=function(t,e){if(Array.isArray(t))for(var r=0;r0?1:-1)/2,y:a/(1+r*r/(n*n)),outside:!0}}var a=t("d3"),o=t("../../components/fx"),s=t("../../components/color"),l=t("../../components/drawing"),c=t("../../lib/svg_text_utils"),u=t("./helpers"),f=t("./event_data");e.exports=function(t,e){var r=t._fullLayout;!function(t,e){var r,n,i,a,o,s,l,c,u,f=[];for(i=0;il&&(l=s.pull[a]);o.r=Math.min(r,n)/(2+2*l),o.cx=e.l+e.w*(s.domain.x[1]+s.domain.x[0])/2,o.cy=e.t+e.h*(2-s.domain.y[1]-s.domain.y[0])/2,s.scalegroup&&-1===f.indexOf(s.scalegroup)&&f.push(s.scalegroup)}for(a=0;aa.vTotal/2?1:0)}(e),h.each(function(){var h=a.select(this).selectAll("g.slice").data(e);h.enter().append("g").classed("slice",!0),h.exit().remove();var m=[[[],[]],[[],[]]],g=!1;h.each(function(e){function s(t,r,n,i){return"a"+i*d.r+","+i*d.r+" 0 "+e.largeArc+(n?" 1 ":" 0 ")+i*(r[0]-t[0])+","+i*(r[1]-t[1])}if(e.hidden)a.select(this).selectAll("path,g").remove();else{e.pointNumber=e.i,e.curveNumber=p.index,m[e.pxmid[1]<0?0:1][e.pxmid[0]<0?0:1].push(e);var h=d.cx,v=d.cy,y=a.select(this),x=y.selectAll("path.surface").data([e]),b=!1,_=!1;if(x.enter().append("path").classed("surface",!0).style({"pointer-events":"all"}),y.select("path.textline").remove(),y.on("mouseover",function(){var i=t._fullLayout,s=t._fullData[p.index];if(!t._dragging&&!1!==i.hovermode){var l=s.hoverinfo;if(Array.isArray(l)&&(l=o.castHoverinfo({hoverinfo:[u.castOption(l,e.pts)],_module:p._module},i,0)),"all"===l&&(l="label+text+value+percent+name"),"none"!==l&&"skip"!==l&&l){var c=n(e,d),m=h+e.pxmid[0]*(1-c),g=v+e.pxmid[1]*(1-c),y=r.separators,x=[];if(-1!==l.indexOf("label")&&x.push(e.label),-1!==l.indexOf("text")){var w=u.castOption(s.hovertext||s.text,e.pts);w&&x.push(w)}-1!==l.indexOf("value")&&x.push(u.formatPieValue(e.v,y)),-1!==l.indexOf("percent")&&x.push(u.formatPiePercent(e.v/d.vTotal,y));var M=p.hoverlabel,k=M.font;o.loneHover({x0:m-c*d.r,x1:m+c*d.r,y:g,text:x.join("
"),name:-1!==l.indexOf("name")?s.name:void 0,idealAlign:e.pxmid[0]<0?"left":"right",color:u.castOption(M.bgcolor,e.pts)||e.color,borderColor:u.castOption(M.bordercolor,e.pts),fontFamily:u.castOption(k.family,e.pts),fontSize:u.castOption(k.size,e.pts),fontColor:u.castOption(k.color,e.pts)},{container:i._hoverlayer.node(),outerContainer:i._paper.node(),gd:t}),b=!0}t.emit("plotly_hover",{points:[f(e,s)],event:a.event}),_=!0}}).on("mouseout",function(r){var n=t._fullLayout,i=t._fullData[p.index];_&&(r.originalEvent=a.event,t.emit("plotly_unhover",{points:[f(e,i)],event:a.event}),_=!1),b&&(o.loneUnhover(n._hoverlayer.node()),b=!1)}).on("click",function(){var r=t._fullLayout,n=t._fullData[p.index];t._dragging||!1===r.hovermode||(t._hoverdata=[f(e,n)],o.click(t,a.event))}),p.pull){var w=+u.castOption(p.pull,e.pts)||0;w>0&&(h+=w*e.pxmid[0],v+=w*e.pxmid[1])}e.cxFinal=h,e.cyFinal=v;var M=p.hole;if(e.v===d.vTotal){var k="M"+(h+e.px0[0])+","+(v+e.px0[1])+s(e.px0,e.pxmid,!0,1)+s(e.pxmid,e.px0,!0,1)+"Z";M?x.attr("d","M"+(h+M*e.px0[0])+","+(v+M*e.px0[1])+s(e.px0,e.pxmid,!1,M)+s(e.pxmid,e.px0,!1,M)+"Z"+k):x.attr("d",k)}else{var A=s(e.px0,e.px1,!0,1);if(M){var T=1-M;x.attr("d","M"+(h+M*e.px1[0])+","+(v+M*e.px1[1])+s(e.px1,e.px0,!1,M)+"l"+T*e.px0[0]+","+T*e.px0[1]+A+"Z")}else x.attr("d","M"+h+","+v+"l"+e.px0[0]+","+e.px0[1]+A+"Z")}var S=u.castOption(p.textposition,e.pts),E=y.selectAll("g.slicetext").data(e.text&&"none"!==S?[0]:[]);E.enter().append("g").classed("slicetext",!0),E.exit().remove(),E.each(function(){var r=a.select(this).selectAll("text").data([0]);r.enter().append("text").attr("data-notex",1),r.exit().remove(),r.text(e.text).attr({class:"slicetext",transform:"","text-anchor":"middle"}).call(l.font,"outside"===S?p.outsidetextfont:p.insidetextfont).call(c.convertToTspans,t);var o,s=l.bBox(r.node());"outside"===S?o=i(s,e):(o=function(t,e,r){var i=Math.sqrt(t.width*t.width+t.height*t.height),a=t.width/t.height,o=Math.PI*Math.min(e.v/r.vTotal,.5),s=1-r.trace.hole,l=n(e,r),c={scale:l*r.r*2/i,rCenter:1-l,rotate:0};if(c.scale>=1)return c;var u=a+1/(2*Math.tan(o)),f=r.r*Math.min(1/(Math.sqrt(u*u+.5)+u),s/(Math.sqrt(a*a+s/2)+a)),h={scale:2*f/t.height,rCenter:Math.cos(f/r.r)-f*a/r.r,rotate:(180/Math.PI*e.midangle+720)%180-90},d=1/a,p=d+1/(2*Math.tan(o)),m=r.r*Math.min(1/(Math.sqrt(p*p+.5)+p),s/(Math.sqrt(d*d+s/2)+d)),g={scale:2*m/t.width,rCenter:Math.cos(m/r.r)-m/a/r.r,rotate:(180/Math.PI*e.midangle+810)%180-90},v=g.scale>h.scale?g:h;return c.scale<1&&v.scale>c.scale?v:c}(s,e,d),"auto"===S&&o.scale<1&&(r.call(l.font,p.outsidetextfont),p.outsidetextfont.family===p.insidetextfont.family&&p.outsidetextfont.size===p.insidetextfont.size||(s=l.bBox(r.node())),o=i(s,e)));var u=h+e.pxmid[0]*o.rCenter+(o.x||0),f=v+e.pxmid[1]*o.rCenter+(o.y||0);o.outside&&(e.yLabelMin=f-s.height/2,e.yLabelMid=f,e.yLabelMax=f+s.height/2,e.labelExtraX=0,e.labelExtraY=0,g=!0),r.attr("transform","translate("+u+","+f+")"+(o.scale<1?"scale("+o.scale+")":"")+(o.rotate?"rotate("+o.rotate+")":"")+"translate("+-(s.left+s.right)/2+","+-(s.top+s.bottom)/2+")")})}}),g&&function(t,e){function r(t,e){return t.pxmid[1]-e.pxmid[1]}function n(t,e){return e.pxmid[1]-t.pxmid[1]}function i(t,r){r||(r={});var n,i,a,s,d=r.labelExtraY+(o?r.yLabelMax:r.yLabelMin),p=o?t.yLabelMin:t.yLabelMax,g=o?t.yLabelMax:t.yLabelMin,v=t.cyFinal+c(t.px0[1],t.px1[1]),y=d-p;if(y*h>0&&(t.labelExtraY=y),Array.isArray(e.pull))for(i=0;i=(u.castOption(e.pull,a.pts)||0)||((t.pxmid[1]-a.pxmid[1])*h>0?(y=a.cyFinal+c(a.px0[1],a.px1[1])-p-t.labelExtraY)*h>0&&(t.labelExtraY+=y):(g+t.labelExtraY-v)*h>0&&(n=3*f*Math.abs(i-m.indexOf(t)),(s=a.cxFinal+l(a.px0[0],a.px1[0])+n-(t.cxFinal+t.pxmid[0])-t.labelExtraX)*f>0&&(t.labelExtraX+=s)))}var a,o,s,l,c,f,h,d,p,m,g,v,y;for(o=0;o<2;o++)for(s=o?r:n,c=o?Math.max:Math.min,h=o?1:-1,a=0;a<2;a++){for(l=a?Math.max:Math.min,f=a?1:-1,(d=t[o][a]).sort(s),p=t[1-o][a],m=p.concat(d),v=[],g=0;gMath.abs(c)?i+="l"+c*t.pxmid[0]/t.pxmid[1]+","+c+"H"+(n+t.labelExtraX+o):i+="l"+t.labelExtraX+","+l+"v"+(c-l)+"h"+o}else i+="V"+(t.yLabelMid+t.labelExtraY)+"h"+o;e.append("path").classed("textline",!0).call(s.stroke,p.outsidetextfont.color).attr({"stroke-width":Math.min(2,p.outsidetextfont.size/8),d:i,fill:"none"})}})})}),setTimeout(function(){h.selectAll("tspan").each(function(){var t=a.select(this);t.attr("dy")&&t.attr("dy",t.attr("dy"))})},0)}},{"../../components/color":618,"../../components/drawing":643,"../../components/fx":660,"../../lib/svg_text_utils":766,"./event_data":1045,"./helpers":1046,d3:128}],1051:[function(t,e,r){"use strict";var n=t("d3"),i=t("./style_one");e.exports=function(t){t._fullLayout._pielayer.selectAll(".trace").each(function(t){var e=t[0].trace,r=n.select(this);r.style({opacity:e.opacity}),r.selectAll("path.surface").each(function(t){n.select(this).call(i,t,e)})})}},{"./style_one":1052,d3:128}],1052:[function(t,e,r){"use strict";var n=t("../../components/color"),i=t("./helpers").castOption;e.exports=function(t,e,r){var a=r.marker.line,o=i(a.color,e.pts)||n.defaultLine,s=i(a.width,e.pts)||0;t.style({"stroke-width":s}).call(n.fill,e.color).call(n.stroke,o)}},{"../../components/color":618,"./helpers":1046}],1053:[function(t,e,r){"use strict";var n=t("../scatter/attributes");e.exports={x:n.x,y:n.y,xy:{valType:"data_array",editType:"calc"},indices:{valType:"data_array",editType:"calc"},xbounds:{valType:"data_array",editType:"calc"},ybounds:{valType:"data_array",editType:"calc"},text:n.text,marker:{color:{valType:"color",arrayOk:!1,editType:"calc"},opacity:{valType:"number",min:0,max:1,dflt:1,arrayOk:!1,editType:"calc"},blend:{valType:"boolean",dflt:null,editType:"calc"},sizemin:{valType:"number",min:.1,max:2,dflt:.5,editType:"calc"},sizemax:{valType:"number",min:.1,dflt:20,editType:"calc"},border:{color:{valType:"color",arrayOk:!1,editType:"calc"},arearatio:{valType:"number",min:0,max:1,dflt:0,editType:"calc"},editType:"calc"},editType:"calc"}}},{"../scatter/attributes":1066}],1054:[function(t,e,r){"use strict";function n(t,e){this.scene=t,this.uid=e,this.type="pointcloud",this.pickXData=[],this.pickYData=[],this.xData=[],this.yData=[],this.textLabels=[],this.color="rgb(0, 0, 0)",this.name="",this.hoverinfo="all",this.idToIndex=new Int32Array(0),this.bounds=[0,0,0,0],this.pointcloudOptions={positions:new Float32Array(0),idToIndex:this.idToIndex,sizemin:.5,sizemax:12,color:[0,0,0,1],areaRatio:1,borderColor:[0,0,0,1]},this.pointcloud=i(t.glplot,this.pointcloudOptions),this.pointcloud._trace=this}var i=t("gl-pointcloud2d"),a=t("../../lib/str2rgbarray"),o=t("../scatter/get_trace_color"),s=["xaxis","yaxis"],l=n.prototype;l.handlePick=function(t){var e=this.idToIndex[t.pointId];return{trace:this,dataCoord:t.dataCoord,traceCoord:this.pickXYData?[this.pickXYData[2*e],this.pickXYData[2*e+1]]:[this.pickXData[e],this.pickYData[e]],textLabel:Array.isArray(this.textLabels)?this.textLabels[e]:this.textLabels,color:this.color,name:this.name,pointIndex:e,hoverinfo:this.hoverinfo}},l.update=function(t){this.index=t.index,this.textLabels=t.text,this.name=t.name,this.hoverinfo=t.hoverinfo,this.bounds=[1/0,1/0,-1/0,-1/0],this.updateFast(t),this.color=o(t,{})},l.updateFast=function(t){var e,r,n,i,o,s,l=this.xData=this.pickXData=t.x,c=this.yData=this.pickYData=t.y,u=this.pickXYData=t.xy,f=t.xbounds&&t.ybounds,h=t.indices,d=this.bounds;if(u){if(n=u,e=u.length>>>1,f)d[0]=t.xbounds[0],d[2]=t.xbounds[1],d[1]=t.ybounds[0],d[3]=t.ybounds[1];else for(s=0;sd[2]&&(d[2]=i),od[3]&&(d[3]=o);if(h)r=h;else for(r=new Int32Array(e),s=0;sd[2]&&(d[2]=i),od[3]&&(d[3]=o);this.idToIndex=r,this.pointcloudOptions.idToIndex=r,this.pointcloudOptions.positions=n;var p=a(t.marker.color),m=a(t.marker.border.color),g=t.opacity*t.marker.opacity;p[3]*=g,this.pointcloudOptions.color=p;var v=t.marker.blend;if(null===v){v=l.length<100||c.length<100}this.pointcloudOptions.blend=v,m[3]*=g,this.pointcloudOptions.borderColor=m;var y=t.marker.sizemin,x=Math.max(t.marker.sizemax,t.marker.sizemin);this.pointcloudOptions.sizeMin=y,this.pointcloudOptions.sizeMax=x,this.pointcloudOptions.areaRatio=t.marker.border.arearatio,this.pointcloud.update(this.pointcloudOptions),this.expandAxesFast(d,x/2)},l.expandAxesFast=function(t,e){for(var r,n,i,a=e||.5,o=0;o<2;o++)(n=(r=this.scene[s[o]])._min)||(n=[]),n.push({val:t[o],pad:a}),(i=r._max)||(i=[]),i.push({val:t[o+2],pad:a})},l.dispose=function(){this.pointcloud.dispose()},e.exports=function(t,e){var r=new n(t,e.uid);return r.update(e),r}},{"../../lib/str2rgbarray":765,"../scatter/get_trace_color":1076,"gl-pointcloud2d":235}],1055:[function(t,e,r){"use strict";var n=t("../../lib"),i=t("./attributes");e.exports=function(t,e,r){function a(r,a){return n.coerce(t,e,i,r,a)}a("x"),a("y"),a("xbounds"),a("ybounds"),t.xy&&t.xy instanceof Float32Array&&(e.xy=t.xy),t.indices&&t.indices instanceof Int32Array&&(e.indices=t.indices),a("text"),a("marker.color",r),a("marker.opacity"),a("marker.blend"),a("marker.sizemin"),a("marker.sizemax"),a("marker.border.color",r),a("marker.border.arearatio")}},{"../../lib":743,"./attributes":1053}],1056:[function(t,e,r){"use strict";var n={};n.attributes=t("./attributes"),n.supplyDefaults=t("./defaults"),n.calc=t("../scatter3d/calc"),n.plot=t("./convert"),n.moduleType="trace",n.name="pointcloud",n.basePlotModule=t("../../plots/gl2d"),n.categories=["gl","gl2d","showLegend"],n.meta={},e.exports=n},{"../../plots/gl2d":829,"../scatter3d/calc":1092,"./attributes":1053,"./convert":1054,"./defaults":1055}],1057:[function(t,e,r){"use strict";var n=t("../../plots/font_attributes"),i=t("../../plots/attributes"),a=t("../../components/color/attributes"),o=t("../../components/fx/attributes"),s=t("../../plots/domain_attributes"),l=t("../../lib/extend").extendFlat,c=t("../../plot_api/edit_types").overrideAll;e.exports=c({hoverinfo:l({},i.hoverinfo,{flags:["label","text","value","percent","name"]}),hoverlabel:o.hoverlabel,domain:s({name:"sankey",trace:!0}),orientation:{valType:"enumerated",values:["v","h"],dflt:"h"},valueformat:{valType:"string",dflt:".3s"},valuesuffix:{valType:"string",dflt:""},arrangement:{valType:"enumerated",values:["snap","perpendicular","freeform","fixed"],dflt:"snap"},textfont:n({}),node:{label:{valType:"data_array",dflt:[]},color:{valType:"color",arrayOk:!0},line:{color:{valType:"color",dflt:a.defaultLine,arrayOk:!0},width:{valType:"number",min:0,dflt:.5,arrayOk:!0}},pad:{valType:"number",arrayOk:!1,min:0,dflt:20},thickness:{valType:"number",arrayOk:!1,min:1,dflt:20}},link:{label:{valType:"data_array",dflt:[]},color:{valType:"color",arrayOk:!0},line:{color:{valType:"color",dflt:a.defaultLine,arrayOk:!0},width:{valType:"number",min:0,dflt:0,arrayOk:!0}},source:{valType:"data_array",dflt:[]},target:{valType:"data_array",dflt:[]},value:{valType:"data_array",dflt:[]}}},"calc","nested")},{"../../components/color/attributes":617,"../../components/fx/attributes":652,"../../lib/extend":732,"../../plot_api/edit_types":773,"../../plots/attributes":787,"../../plots/domain_attributes":815,"../../plots/font_attributes":816}],1058:[function(t,e,r){"use strict";var n=t("../../plot_api/edit_types").overrideAll,i=t("../../plots/get_data").getModuleCalcData,a=t("./plot"),o=t("../../components/fx/layout_attributes");r.name="sankey",r.baseLayoutAttrOverrides=n({hoverlabel:o.hoverlabel},"plot","nested"),r.plot=function(t){var e=i(t.calcdata,"sankey");a(t,e)},r.clean=function(t,e,r,n){var i=n._has&&n._has("sankey"),a=e._has&&e._has("sankey");i&&!a&&n._paperdiv.selectAll(".sankey").remove()}},{"../../components/fx/layout_attributes":661,"../../plot_api/edit_types":773,"../../plots/get_data":826,"./plot":1063}],1059:[function(t,e,r){"use strict";var n=t("strongly-connected-components"),i=t("../../lib"),a=t("../../lib/gup").wrap;e.exports=function(t,e){return function(t,e,r){for(var i=t.map(function(){return[]}),a=0;a1})}(e.node.label,e.link.source,e.link.target)&&(i.error("Circularity is present in the Sankey data. 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n={},i=t("./subtypes");n.hasLines=i.hasLines,n.hasMarkers=i.hasMarkers,n.hasText=i.hasText,n.isBubble=i.isBubble,n.attributes=t("./attributes"),n.supplyDefaults=t("./defaults"),n.cleanData=t("./clean_data"),n.calc=t("./calc").calc,n.arraysToCalcdata=t("./arrays_to_calcdata"),n.plot=t("./plot"),n.colorbar=t("./colorbar"),n.style=t("./style").style,n.hoverPoints=t("./hover"),n.selectPoints=t("./select"),n.animatable=!0,n.moduleType="trace",n.name="scatter",n.basePlotModule=t("../../plots/cartesian"),n.categories=["cartesian","symbols","markerColorscale","errorBarsOK","showLegend","scatter-like"],n.meta={},e.exports=n},{"../../plots/cartesian":800,"./arrays_to_calcdata":1065,"./attributes":1066,"./calc":1067,"./clean_data":1069,"./colorbar":1070,"./defaults":1073,"./hover":1077,"./plot":1085,"./select":1086,"./style":1087,"./subtypes":1088}],1079:[function(t,e,r){"use strict";var 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t=this.map;t.removeLayer(this.idLayerFill),t.removeLayer(this.idLayerLine),t.removeLayer(this.idLayerCircle),t.removeLayer(this.idLayerSymbol),t.removeSource(this.idSourceFill),t.removeSource(this.idSourceLine),t.removeSource(this.idSourceCircle),t.removeSource(this.idSourceSymbol)},e.exports=function(t,e){var r=new n(t,e[0].trace.uid);return r.update(e),r}},{"./convert":1117}],1123:[function(t,e,r){"use strict";var n=t("../scatter/subtypes");e.exports=function(t,e){var r,i,a,o,s,l=t.cd,c=t.xaxis,u=t.yaxis,f=[],h=l[0].trace;if(!n.hasMarkers(h))return[];if(!1===e)for(s=0;s")}var i=t("../scatter/hover"),a=t("../../plots/cartesian/axes"),o=t("../../lib");e.exports={hoverPoints:function(t,e,r,a){var o=i(t,e,r,a);if(o&&!1!==o[0].index){var s=o[0];if(void 0===s.index)return o;var l=t.subplot,c=s.cd[s.index],u=s.trace;if(l.isPtWithinSector(c))return s.xLabelVal=void 0,s.yLabelVal=void 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n=t("../box/layout_attributes"),i=t("../../lib").extendFlat;e.exports={violinmode:i({},n.boxmode,{}),violingap:i({},n.boxgap,{}),violingroupgap:i({},n.boxgroupgap,{})}},{"../../lib":743,"../box/layout_attributes":901}],1162:[function(t,e,r){"use strict";var n=t("../../lib"),i=t("./layout_attributes"),a=t("../box/layout_defaults");e.exports=function(t,e,r){a._supply(t,e,r,function(r,a){return n.coerce(t,e,i,r,a)},"violin")}},{"../../lib":743,"../box/layout_defaults":902,"./layout_attributes":1161}],1163:[function(t,e,r){"use strict";var n=t("d3"),i=t("../../lib"),a=t("../../components/drawing"),o=t("../box/plot"),s=t("../scatter/line_points"),l=t("./helpers");e.exports=function(t,e,r){function c(t){var e=s(t,{xaxis:f,yaxis:h,connectGaps:!0,baseTolerance:.75,shape:"spline",simplify:!0});return a.smoothopen(e[0],1)}var u=t._fullLayout,f=e.xaxis,h=e.yaxis;e.plot.select(".violinlayer").selectAll("g.trace.violins").data(r).enter().append("g").attr("class","trace 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function(t){var e=h(t);return e>i[0]&&e=i[0]&&ei[0]&&e<=i[1]};case"][":return function(t){var e=h(t);return e<=i[0]||e>=i[1]};case")(":return function(t){var e=h(t);return ei[1]};case"](":return function(t){var e=h(t);return e<=i[0]||e>i[1]};case")[":return function(t){var e=h(t);return e=i[1]};case"{}":return function(t){return-1!==i.indexOf(h(t))};case"}{":return function(t){return-1===i.indexOf(h(t))}}}(r,a.getDataToCoordFunc(t,e,f,u),d),x={},b={},_=0;r.preservegaps?(g=function(t){x[t.astr]=n.extendDeep([],t.get()),t.set(new Array(h))},v=function(t,e){var r=x[t.astr][e];t.get()[e]=r}):(g=function(t){x[t.astr]=n.extendDeep([],t.get()),t.set([])},v=function(t,e){var r=x[t.astr][e];t.get().push(r)}),i(g);for(var w=o(e.transforms,r),M=0;M1?"%{group} (%{trace})":"%{group}");var l=t.styles,c=s.styles=[];if(l)for(o=0;o