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FIX: Handle masked arrays for RGBA input with ScalarMappables - #26096
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rcomer merged 1 commit intoJun 10, 2023
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tacaswell
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This needs an API change note.
I'm sure we have at least one user who is relying on the mask being ignored!
I do not think this needs a deprecation cycle (as I suspect "just document it" was to avoid fixing a bug).
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This sets the alpha channel to 0 when any RGB(A) input is masked.
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👍 Added a change note now. |
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tacaswell
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Thank you for doing this @greglucas!
I have also verified that it enables the hoped for simplification of my Cartopy branch.
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2 tasks done
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PR summary
Currently, the mask is ignored if a user passes in RGB(A) input arrays. This sets the alpha channel to 0 when any RGB(A) input is masked. This is relevant for RGB(A) data being used with pcolormesh. xref: SciTools/cartopy#2166 where it will simplify downstream accounting for masks and alpha.
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