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Added elif for taking NumPy Array for imsave #29641

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Added elif for taking NumPy Array for imsave #29641

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4 changes: 3 additions & 1 deletion lib/matplotlib/image.py
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Expand Up @@ -1586,9 +1586,11 @@ def imsave(fname, arr, vmin=None, vmax=None, cmap=None, format=None,
# 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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@timhoffm timhoffm Feb 18, 2025

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Does this work for shape[-1] == 3? AFAICS, rgba should have the alpha component included eventually?

rgba = arr
else:
sm = mcolorizer.Colorizer(cmap=cmap)
sm.set_clim(vmin, vmax)
sm.set_clim(vim, vmax)
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@timhoffm timhoffm Feb 18, 2025

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Looks like an unintended edit

rgba = sm.to_rgba(arr, bytes=True)
if pil_kwargs is None:
pil_kwargs = {}
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