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[MNT]: Add copyright information for google's "turbo" colormap? #30651
Description
Summary
The page https://matplotlib.org/stable/project/license.html doesn't mention the "turbo" colormap, which is included in matplotlib, and presumably licensed under Apache 2. That page does seem to mention other color-maps. Should the docs be updated to include the copyright liscence for turbo?
Proposed fix
Possibly, update https://github.com/matplotlib/matplotlib/blob/main/doc/project/license.rst.
Activity
yashisthebatman commentedon Oct 22, 2025
@anabelle2001 could you assign this issue to me
timhoffm commentedon Oct 22, 2025
We do not assign issues. You are welcome to directly create a pull request.
QuLogic commentedon Oct 24, 2025
Turbo was added directly by its author in #15275, presumably under the license of Matplotlib, and not anything else. If that is not the case, please chime in here, @mikhailov-work.
anabelle2001 commentedon Oct 24, 2025
Thank you for finding that!
From what i can gather, the only info on the color-map's copyright seems to be within the gists Anton released (for polynomial approximations, etc.), which all start with:
This came up when I was investigating copyright provenance for a range of colormaps bundled with matplotlib, to reassure my boss that our software wasn't running afoul of any licenses