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Commit c66476e

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renames "wrapping" to "cyclic" color maps
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‎doc/users/next_whats_new/wrapping_colormaps.rst renamed to ‎doc/users/next_whats_new/cyclic_colormaps.rst

Copy file name to clipboardExpand all lines: doc/users/next_whats_new/cyclic_colormaps.rst
+2-2Lines changed: 2 additions & 2 deletions
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@@ -1,5 +1,5 @@
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Wrapping colormaps
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------------------
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Cyclic colormaps
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----------------
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Two new colormaps named 'twilight' and 'twilight_shifted' were added.
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These colormaps start and end on the same color, and have two

‎examples/color/colormap_reference.py

Copy file name to clipboardExpand all lines: examples/color/colormap_reference.py
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@@ -29,7 +29,7 @@
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('Diverging', [
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'PiYG', 'PRGn', 'BrBG', 'PuOr', 'RdGy', 'RdBu',
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'RdYlBu', 'RdYlGn', 'Spectral', 'coolwarm', 'bwr', 'seismic']),
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('Wrapping', ['twilight', 'twilight_shifted', 'hsv']),
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('Cyclic', ['twilight', 'twilight_shifted', 'hsv']),
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('Qualitative', [
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'Pastel1', 'Pastel2', 'Paired', 'Accent',
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'Dark2', 'Set1', 'Set2', 'Set3',

‎tutorials/colors/colormaps.py

Copy file name to clipboardExpand all lines: tutorials/colors/colormaps.py
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@@ -56,7 +56,7 @@
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middle value, such as topography or when the data deviates around
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zero.
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3. Wrapping: change in lightness of two different colors that meet in
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3. Cyclic: change in lightness of two different colors that meet in
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the middle and beginning/end at an unsaturated color; should be
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used for values that wrap around at the endpoints, such as phase
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angle, wind direction, or time of day.
@@ -130,24 +130,24 @@
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'RdYlBu', 'RdYlGn', 'Spectral', 'coolwarm', 'bwr', 'seismic']
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###############################################################################
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# Wrapping
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# --------
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# Cyclic
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# ------
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#
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# For Wrapping maps, we want to start and end on the same color, and meet a
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# For Cyclic maps, we want to start and end on the same color, and meet a
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# symmetric center point in the middle. :math:`L^*` should change monotonically
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# from start to middle, and inversely from middle to end. It should be symmetric
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# on the increasing and decreasing side, and only differ in hue. At the ends and
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# middle, :math:`L^*` will reverse direction, which should be smoothed in
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# :math:`L^*` space to reduce artifacts. See [kovesi-colormaps]_ for more
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# information on the design of wrapping maps.
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# information on the design of cyclic maps.
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#
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# The often-used HSV colormap is included in this set of colormaps, although it
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# is not symmetric to a center point. Additionally, the :math:`L^*` values vary
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# widely throughout the colormap, making it a poor choice for representing data
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# for viewers to see perceptually. See an extension on this idea at
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# [mycarta-jet]_.
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cmaps['Wrapping'] = ['twilight', 'twilight_shifted', 'hsv']
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cmaps['Cyclic'] = ['twilight', 'twilight_shifted', 'hsv']
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###############################################################################
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# Qualitative
@@ -231,12 +231,12 @@ def plot_color_gradients(cmap_category, cmap_list, nrows):
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# Number of colormap per subplot for particular cmap categories
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_DSUBS = {'Perceptually Uniform Sequential': 5, 'Sequential': 6,
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'Sequential (2)': 6, 'Diverging': 6, 'Wrapping': 3,
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'Sequential (2)': 6, 'Diverging': 6, 'Cyclic': 3,
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'Qualitative': 4, 'Miscellaneous': 6}
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# Spacing between the colormaps of a subplot
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_DC = {'Perceptually Uniform Sequential': 1.4, 'Sequential': 0.7,
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'Sequential (2)': 1.4, 'Diverging': 1.4, 'Wrapping': 1.4,
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'Sequential (2)': 1.4, 'Diverging': 1.4, 'Cyclic': 1.4,
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'Qualitative': 1.4, 'Miscellaneous': 1.4}
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# Indices to step through colormap
@@ -286,7 +286,7 @@ def plot_color_gradients(cmap_category, cmap_list, nrows):
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if cmap_category in ('Perceptually Uniform Sequential',
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'Sequential'):
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locs.append(x[-1] + j*dc)
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elif cmap_category in ('Diverging', 'Qualitative', 'Wrapping',
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elif cmap_category in ('Diverging', 'Qualitative', 'Cyclic',
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'Miscellaneous', 'Sequential (2)'):
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locs.append(x[int(x.size/2.)] + j*dc)
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