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Commit c24de89

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jklymakjklymak
authored
Merge pull request #18573 from anntzer/axes_class
add_subplot(..., axes_class=...) for more idiomatic mpl_toolkits usage.
2 parents 0daf9d7 + f523d24 commit c24de89
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+100
-95
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‎doc/users/next_whats_new/axes_class.rst

Copy file name to clipboard
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add_subplot/add_axes gained an *axes_class* parameter
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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In particular, ``mpl_toolkits`` axes subclasses can now be idiomatically used
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using e.g. ``fig.add_subplot(axes_class=mpl_toolkits.axislines.Axes)``

‎examples/axes_grid1/demo_axes_divider.py

Copy file name to clipboardExpand all lines: examples/axes_grid1/demo_axes_divider.py
+4-5Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -33,10 +33,12 @@ def demo_locatable_axes_hard(fig):
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divider = SubplotDivider(fig, 2, 2, 2, aspect=True)
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# axes for image
36-
ax = Axes(fig, divider.get_position())
36+
ax = fig.add_axes(divider.get_position(), axes_class=Axes)
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# axes for colorbar
39-
ax_cb = Axes(fig, divider.get_position())
39+
# (the label prevents Axes.add_axes from incorrectly believing that the two
40+
# axes are the same)
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ax_cb = fig.add_axes(divider.get_position(), axes_class=Axes, label="cb")
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h = [Size.AxesX(ax), # main axes
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Size.Fixed(0.05), # padding, 0.1 inch
@@ -51,9 +53,6 @@ def demo_locatable_axes_hard(fig):
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ax.set_axes_locator(divider.new_locator(nx=0, ny=0))
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ax_cb.set_axes_locator(divider.new_locator(nx=2, ny=0))
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54-
fig.add_axes(ax)
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fig.add_axes(ax_cb)
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ax_cb.axis["left"].toggle(all=False)
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ax_cb.axis["right"].toggle(ticks=True)
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‎examples/axes_grid1/parasite_simple2.py

Copy file name to clipboardExpand all lines: examples/axes_grid1/parasite_simple2.py
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@@ -6,7 +6,7 @@
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"""
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import matplotlib.transforms as mtransforms
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import matplotlib.pyplot as plt
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from mpl_toolkits.axes_grid1.parasite_axes import SubplotHost
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from mpl_toolkits.axes_grid1.parasite_axes import HostAxes
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obs = [["01_S1", 3.88, 0.14, 1970, 63],
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["01_S4", 5.6, 0.82, 1622, 150],
@@ -16,7 +16,7 @@
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fig = plt.figure()
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ax_kms = SubplotHost(fig, 1, 1, 1, aspect=1.)
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ax_kms = fig.add_subplot(axes_class=HostAxes, aspect=1)
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# angular proper motion("/yr) to linear velocity(km/s) at distance=2.3kpc
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pm_to_kms = 1./206265.*2300*3.085e18/3.15e7/1.e5
@@ -25,8 +25,6 @@
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ax_pm = ax_kms.twin(aux_trans)
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ax_pm.set_viewlim_mode("transform")
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fig.add_subplot(ax_kms)
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for n, ds, dse, w, we in obs:
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time = ((2007 + (10. + 4/30.)/12) - 1988.5)
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v = ds / time * pm_to_kms

‎examples/axisartist/axis_direction.py

Copy file name to clipboardExpand all lines: examples/axisartist/axis_direction.py
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@@ -8,8 +8,8 @@
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import mpl_toolkits.axisartist as axisartist
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def setup_axes(fig, rect):
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ax = fig.add_axes(axisartist.Subplot(fig, rect))
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def setup_axes(fig, pos):
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ax = fig.add_subplot(pos, axes_class=axisartist.Axes)
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ax.set_ylim(-0.1, 1.5)
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ax.set_yticks([0, 1])

‎examples/axisartist/demo_axis_direction.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_axis_direction.py
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@@ -43,11 +43,10 @@ def setup_axes(fig, rect):
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tick_formatter1=tick_formatter1
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)
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ax1 = axisartist.Subplot(fig, rect, grid_helper=grid_helper)
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ax1 = fig.add_subplot(
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rect, axes_class=axisartist.Axes, grid_helper=grid_helper)
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ax1.axis[:].toggle(ticklabels=False)
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fig.add_subplot(ax1)
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ax1.set_aspect(1.)
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ax1.set_xlim(-5, 12)
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ax1.set_ylim(-5, 10)

‎examples/axisartist/demo_axisline_style.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_axisline_style.py
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@@ -11,14 +11,13 @@
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:doc:`/gallery/ticks_and_spines/centered_spines_with_arrows` example.
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"""
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from mpl_toolkits.axisartist.axislines import SubplotZero
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from mpl_toolkits.axisartist.axislines import AxesZero
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import matplotlib.pyplot as plt
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import numpy as np
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fig = plt.figure()
20-
ax = SubplotZero(fig, 111)
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fig.add_subplot(ax)
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ax = fig.add_subplot(axes_class=AxesZero)
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for direction in ["xzero", "yzero"]:
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# adds arrows at the ends of each axis

‎examples/axisartist/demo_curvelinear_grid.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_curvelinear_grid.py
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@@ -18,7 +18,7 @@
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from matplotlib.transforms import Affine2D
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from mpl_toolkits.axisartist import (
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angle_helper, Subplot, SubplotHost, ParasiteAxesAuxTrans)
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angle_helper, Axes, HostAxes, ParasiteAxesAuxTrans)
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from mpl_toolkits.axisartist.grid_helper_curvelinear import (
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GridHelperCurveLinear)
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@@ -38,14 +38,12 @@ def inv_tr(x, y):
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grid_helper = GridHelperCurveLinear((tr, inv_tr))
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41-
ax1 = Subplot(fig, 1, 2, 1, grid_helper=grid_helper)
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ax1 = fig.add_subplot(1, 2, 1, axes_class=Axes, grid_helper=grid_helper)
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# ax1 will have a ticks and gridlines defined by the given
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# transform (+ transData of the Axes). Note that the transform of
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# the Axes itself (i.e., transData) is not affected by the given
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# transform.
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fig.add_subplot(ax1)
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xx, yy = tr([3, 6], [5, 10])
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ax1.plot(xx, yy, linewidth=2.0)
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@@ -84,7 +82,8 @@ def curvelinear_test2(fig):
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grid_helper = GridHelperCurveLinear(
8583
tr, extreme_finder=extreme_finder,
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grid_locator1=grid_locator1, tick_formatter1=tick_formatter1)
87-
ax1 = SubplotHost(fig, 1, 2, 2, grid_helper=grid_helper)
85+
ax1 = fig.add_subplot(
86+
1, 2, 2, axes_class=HostAxes, grid_helper=grid_helper)
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# make ticklabels of right and top axis visible.
9089
ax1.axis["right"].major_ticklabels.set_visible(True)
@@ -94,8 +93,6 @@ def curvelinear_test2(fig):
9493
# let bottom axis shows ticklabels for 2nd coordinate (radius)
9594
ax1.axis["bottom"].get_helper().nth_coord_ticks = 1
9695

97-
fig.add_subplot(ax1)
98-
9996
ax1.set_aspect(1)
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ax1.set_xlim(-5, 12)
10198
ax1.set_ylim(-5, 10)

‎examples/axisartist/demo_curvelinear_grid2.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_curvelinear_grid2.py
+2-4Lines changed: 2 additions & 4 deletions
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@@ -17,7 +17,7 @@
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GridHelperCurveLinear)
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from mpl_toolkits.axisartist.grid_finder import (
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ExtremeFinderSimple, MaxNLocator)
20-
from mpl_toolkits.axisartist.axislines import Subplot
20+
from mpl_toolkits.axisartist.axislines import Axes
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def curvelinear_test1(fig):
@@ -39,13 +39,11 @@ def inv_tr(x, y):
3939
# better tick density
4040
grid_locator1=MaxNLocator(nbins=6), grid_locator2=MaxNLocator(nbins=6))
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42-
ax1 = Subplot(fig, 111, grid_helper=grid_helper)
42+
ax1 = fig.add_subplot(axes_class=Axes, grid_helper=grid_helper)
4343
# ax1 will have a ticks and gridlines defined by the given
4444
# transform (+ transData of the Axes). Note that the transform of the Axes
4545
# itself (i.e., transData) is not affected by the given transform.
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47-
fig.add_subplot(ax1)
48-
4947
ax1.imshow(np.arange(25).reshape(5, 5),
5048
vmax=50, cmap=plt.cm.gray_r, origin="lower")
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‎examples/axisartist/demo_floating_axes.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_floating_axes.py
+6-6Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -39,8 +39,8 @@ def setup_axes1(fig, rect):
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grid_locator1=MaxNLocator(nbins=4),
4040
grid_locator2=MaxNLocator(nbins=4))
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42-
ax1 = floating_axes.FloatingSubplot(fig, rect, grid_helper=grid_helper)
43-
fig.add_subplot(ax1)
42+
ax1 = fig.add_subplot(
43+
rect, axes_class=floating_axes.FloatingAxes, grid_helper=grid_helper)
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4545
aux_ax = ax1.get_aux_axes(tr)
4646

@@ -70,8 +70,8 @@ def setup_axes2(fig, rect):
7070
tick_formatter1=tick_formatter1,
7171
tick_formatter2=None)
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73-
ax1 = floating_axes.FloatingSubplot(fig, rect, grid_helper=grid_helper)
74-
fig.add_subplot(ax1)
73+
ax1 = fig.add_subplot(
74+
rect, axes_class=floating_axes.FloatingAxes, grid_helper=grid_helper)
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7676
# create a parasite axes whose transData in RA, cz
7777
aux_ax = ax1.get_aux_axes(tr)
@@ -114,8 +114,8 @@ def setup_axes3(fig, rect):
114114
tick_formatter1=tick_formatter1,
115115
tick_formatter2=None)
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117-
ax1 = floating_axes.FloatingSubplot(fig, rect, grid_helper=grid_helper)
118-
fig.add_subplot(ax1)
117+
ax1 = fig.add_subplot(
118+
rect, axes_class=floating_axes.FloatingAxes, grid_helper=grid_helper)
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120120
# adjust axis
121121
ax1.axis["left"].set_axis_direction("bottom")

‎examples/axisartist/demo_floating_axis.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_floating_axis.py
+2-4Lines changed: 2 additions & 4 deletions
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@@ -14,7 +14,7 @@
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import mpl_toolkits.axisartist.angle_helper as angle_helper
1515
from matplotlib.projections import PolarAxes
1616
from matplotlib.transforms import Affine2D
17-
from mpl_toolkits.axisartist import SubplotHost
17+
from mpl_toolkits.axisartist import HostAxes
1818
from mpl_toolkits.axisartist import GridHelperCurveLinear
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2020

@@ -42,9 +42,7 @@ def curvelinear_test2(fig):
4242
tick_formatter1=tick_formatter1
4343
)
4444

45-
ax1 = SubplotHost(fig, 1, 1, 1, grid_helper=grid_helper)
46-
47-
fig.add_subplot(ax1)
45+
ax1 = fig.add_subplot(axes_class=HostAxes, grid_helper=grid_helper)
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4947
# Now creates floating axis
5048

‎examples/axisartist/demo_parasite_axes.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_parasite_axes.py
+1-3Lines changed: 1 addition & 3 deletions
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@@ -23,7 +23,7 @@
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fig = plt.figure()
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26-
host = HostAxes(fig, [0.15, 0.1, 0.65, 0.8])
26+
host = fig.add_axes([0.15, 0.1, 0.65, 0.8], axes_class=HostAxes)
2727
par1 = ParasiteAxes(host, sharex=host)
2828
par2 = ParasiteAxes(host, sharex=host)
2929
host.parasites.append(par1)
@@ -37,8 +37,6 @@
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3838
par2.axis["right2"] = par2.new_fixed_axis(loc="right", offset=(60, 0))
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40-
fig.add_axes(host)
41-
4240
p1, = host.plot([0, 1, 2], [0, 1, 2], label="Density")
4341
p2, = par1.plot([0, 1, 2], [0, 3, 2], label="Temperature")
4442
p3, = par2.plot([0, 1, 2], [50, 30, 15], label="Velocity")

‎examples/axisartist/demo_ticklabel_alignment.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_ticklabel_alignment.py
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import mpl_toolkits.axisartist as axisartist
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def setup_axes(fig, rect):
14-
ax = axisartist.Subplot(fig, rect)
15-
fig.add_subplot(ax)
16-
13+
def setup_axes(fig, pos):
14+
ax = fig.add_subplot(pos, axes_class=axisartist.Axes)
1715
ax.set_yticks([0.2, 0.8])
1816
ax.set_yticklabels(["short", "loooong"])
1917
ax.set_xticks([0.2, 0.8])
2018
ax.set_xticklabels([r"$\frac{1}{2}\pi$", r"$\pi$"])
21-
2219
return ax
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‎examples/axisartist/demo_ticklabel_direction.py

Copy file name to clipboardExpand all lines: examples/axisartist/demo_ticklabel_direction.py
+2-5Lines changed: 2 additions & 5 deletions
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import mpl_toolkits.axisartist.axislines as axislines
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12-
def setup_axes(fig, rect):
13-
ax = axislines.Subplot(fig, rect)
14-
fig.add_subplot(ax)
15-
12+
def setup_axes(fig, pos):
13+
ax = fig.add_subplot(pos, axes_class=axislines.Axes)
1614
ax.set_yticks([0.2, 0.8])
1715
ax.set_xticks([0.2, 0.8])
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1916
return ax
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‎examples/axisartist/simple_axis_direction01.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axis_direction01.py
+1-1Lines changed: 1 addition & 1 deletion
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import mpl_toolkits.axisartist as axisartist
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1010
fig = plt.figure(figsize=(4, 2.5))
11-
ax1 = fig.add_subplot(axisartist.Subplot(fig, 111))
11+
ax1 = fig.add_subplot(axes_class=axisartist.Axes)
1212
fig.subplots_adjust(right=0.8)
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1414
ax1.axis["left"].major_ticklabels.set_axis_direction("top")

‎examples/axisartist/simple_axis_direction03.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axis_direction03.py
+2-5Lines changed: 2 additions & 5 deletions
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import mpl_toolkits.axisartist as axisartist
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def setup_axes(fig, rect):
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ax = axisartist.Subplot(fig, rect)
14-
fig.add_subplot(ax)
15-
12+
def setup_axes(fig, pos):
13+
ax = fig.add_subplot(pos, axes_class=axisartist.Axes)
1614
ax.set_yticks([0.2, 0.8])
1715
ax.set_xticks([0.2, 0.8])
18-
1916
return ax
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‎examples/axisartist/simple_axis_pad.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axis_pad.py
+2-4Lines changed: 2 additions & 4 deletions
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@@ -43,11 +43,9 @@ def setup_axes(fig, rect):
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tick_formatter1=tick_formatter1
4444
)
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46-
ax1 = axisartist.Subplot(fig, rect, grid_helper=grid_helper)
46+
ax1 = fig.add_subplot(
47+
rect, axes_class=axisartist.Axes, grid_helper=grid_helper)
4748
ax1.axis[:].set_visible(False)
48-
49-
fig.add_subplot(ax1)
50-
5149
ax1.set_aspect(1.)
5250
ax1.set_xlim(-5, 12)
5351
ax1.set_ylim(-5, 10)

‎examples/axisartist/simple_axisartist1.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axisartist1.py
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fig = plt.figure()
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fig.subplots_adjust(right=0.85)
12-
ax = axisartist.Subplot(fig, 1, 1, 1)
13-
fig.add_subplot(ax)
12+
ax = fig.add_subplot(axes_class=axisartist.Axes)
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# make some axis invisible
1615
ax.axis["bottom", "top", "right"].set_visible(False)

‎examples/axisartist/simple_axisline.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axisline.py
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"""
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import matplotlib.pyplot as plt
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from mpl_toolkits.axisartist.axislines import SubplotZero
9+
from mpl_toolkits.axisartist.axislines import AxesZero
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1212
fig = plt.figure()
1313
fig.subplots_adjust(right=0.85)
14-
ax = SubplotZero(fig, 1, 1, 1)
15-
fig.add_subplot(ax)
14+
ax = fig.add_subplot(axes_class=AxesZero)
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1716
# make right and top axis invisible
1817
ax.axis["right"].set_visible(False)

‎examples/axisartist/simple_axisline2.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axisline2.py
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"""
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import matplotlib.pyplot as plt
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from mpl_toolkits.axisartist.axislines import SubplotZero
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from mpl_toolkits.axisartist.axislines import AxesZero
99
import numpy as np
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1111
fig = plt.figure(figsize=(4, 3))
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1313
# a subplot with two additional axis, "xzero" and "yzero". "xzero" is
1414
# y=0 line, and "yzero" is x=0 line.
15-
ax = SubplotZero(fig, 1, 1, 1)
16-
fig.add_subplot(ax)
15+
ax = fig.add_subplot(axes_class=AxesZero)
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1817
# make xzero axis (horizontal axis line through y=0) visible.
1918
ax.axis["xzero"].set_visible(True)

‎examples/axisartist/simple_axisline3.py

Copy file name to clipboardExpand all lines: examples/axisartist/simple_axisline3.py
+2-3Lines changed: 2 additions & 3 deletions
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"""
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import matplotlib.pyplot as plt
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from mpl_toolkits.axisartist.axislines import Subplot
8+
from mpl_toolkits.axisartist.axislines import Axes
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1010
fig = plt.figure(figsize=(3, 3))
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12-
ax = Subplot(fig, 111)
13-
fig.add_subplot(ax)
12+
ax = fig.add_subplot(axes_class=Axes)
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ax.axis["right"].set_visible(False)
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ax.axis["top"].set_visible(False)

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