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Replaced links to colormap packages with link to third-party packages list in MPL docs #20196

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merged 2 commits into from May 10, 2021
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Replaced links to colormap packages with link to third-party packages list in MPL docs #20196

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Replaced links to colormaps with link to MPL docs
1313e May 10, 2021
2646951
Improve link to use full RST.
1313e May 10, 2021
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13 changes: 7 additions & 6 deletions tutorials/colors/colormaps.py
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Expand Up @@ -4,8 +4,9 @@
********************************

Matplotlib has a number of built-in colormaps accessible via
`.matplotlib.cm.get_cmap`. There are also external libraries like
[palettable]_ and [colorcet]_ that have many extra colormaps.
`.matplotlib.cm.get_cmap`. There are also external libraries that
have many extra colormaps, which can be viewed in the
`Third-party colormaps`_ section of the Matplotlib documentation.
Here we briefly discuss how to choose between the many options. For
help on creating your own colormaps, see
:doc:`/tutorials/colors/colormap-manipulation`.
Expand All @@ -32,8 +33,9 @@
perceives changes in the lightness parameter as changes in the data
much better than, for example, changes in hue. Therefore, colormaps
which have monotonically increasing lightness through the colormap
will be better interpreted by the viewer. A wonderful example of
perceptually uniform colormaps is [colorcet]_.
will be better interpreted by the viewer. Wonderful examples of
perceptually uniform colormaps can be found in the
`Third-party colormaps`_ section as well.

Color can be represented in 3D space in various ways. One way to represent color
is using CIELAB. In CIELAB, color space is represented by lightness,
Expand Down Expand Up @@ -414,7 +416,7 @@ def plot_color_gradients(cmap_category, cmap_list):
# References
# ==========
#
# .. [colorcet] https://colorcet.pyviz.org
# .. _Third-party colormaps: https://matplotlib.org/mpl-third-party/#colormaps-and-styles
# .. [Ware] http://ccom.unh.edu/sites/default/files/publications/Ware_1988_CGA_Color_sequences_univariate_maps.pdf
# .. [Moreland] http://www.kennethmoreland.com/color-maps/ColorMapsExpanded.pdf
# .. [list-colormaps] https://gist.github.com/endolith/2719900#id7
Expand All @@ -424,5 +426,4 @@ def plot_color_gradients(cmap_category, cmap_list):
# .. [bw] http://www.tannerhelland.com/3643/grayscale-image-algorithm-vb6/
# .. [colorblindness] http://www.color-blindness.com/
# .. [IBM] https://doi.org/10.1109/VISUAL.1995.480803
# .. [palettable] https://jiffyclub.github.io/palettable/
# .. [turbo] https://ai.googleblog.com/2019/08/turbo-improved-rainbow-colormap-for.html