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Added elif for taking NumPy Array for imsave#29641

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QuantumRaC wants to merge 1 commit intomatplotlib:mainfrom
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Added elif for taking NumPy Array for imsave#29641
QuantumRaC wants to merge 1 commit intomatplotlib:mainfrom
QuantumRaC:main

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PR summary

The previous implementation did not distinguish between grayscale and RGB(A) images correctly;

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else:
sm = mcolorizer.Colorizer(cmap=cmap)
sm.set_clim(vmin, vmax)
sm.set_clim(vim, vmax)
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Looks like an unintended edit

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@timhoffm timhoffm left a comment

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Please add tests.

# because that's what backend_agg passes, and can be in fact used
# as is, saving a few operations.
rgba = arr
elif arr.ndim == 3 and arr.shape[-1] in (3,4):
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Does this work for shape[-1] == 3? AFAICS, rgba should have the alpha component included eventually?

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The original issue has been closed via #29931.

@timhoffm timhoffm closed this Aug 21, 2025
@melissawm melissawm moved this from Waiting for author to Done in First Time Contributors Mar 6, 2026
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3 participants