How to preserve the color table for an indexed .png image

Asked Dec 31 '21 at 23:06

Active Jan 01 '22 at 01:18

Viewed 233 times

I'm trying this command:

magick convert .\0.png +dither -colors 256 -remap .\allColors.bmp -define png:color-type='3' -define png:preserve-colormap out.png

convert: Valid palette required for paletted images `out.png' @ error/png.c/MagickPNGErrorHandler/1715.

If I don't add the preserve colormap, it deletes all the unused colors, however I need to keep them so OpenRCT2 recognize the palette. I'm using ImageMagick from a python script in a blender file. If there is any alternative to creating an indexed png image with that specific color table, please inform me. Thanks.

edited Jan 01 '22 at 01:18

asked Dec 31 '21 at 23:06

lucas92

`magick magick ...` is always wrong. `magick convert ...` is almost always wrong so don't use it unless you know you specifically need it. `./0.png` is pointlessly verbose, as is `./allColors.bmp`, just use `0.png`. – Mark Setchell Dec 31 '21 at 23:58
Have a look here... https://stackoverflow.com/a/57202093/2836621 – Mark Setchell Jan 01 '22 at 00:06
magick magick was obviously a typo... – lucas92 Jan 01 '22 at 01:18

How to preserve the color table for an indexed .png image

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