03-26-2021, 12:44 PM
Can only confirm the problem. Strangely if you use GIF instead of PNG the colormap isn't altered.
On the other hand your colormap is full (256 colors), so did you try with a slightly smaller colormap (which should be doable since the current one contains many duplicates)
On the other hand your colormap is full (256 colors), so did you try with a slightly smaller colormap (which should be doable since the current one contains many duplicates)