Reducing image to specified number of colors taken from map

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magick
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Post by magick » 2006-10-20T19:27:20-07:00

The only way to accomplish want you want is to create a map image with only 80 entries and use the -map option.

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anthony
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Post by anthony » 2006-10-22T18:45:03-07:00

You can find out all about what -colors and -map does in the new IM Color Quantization section.
http://www.cit.gu.edu.au/~anthony/graph ... ze/#colors

Especially note the major warning
Quantization does NOT Preserve Colors
http://www.cit.gu.edu.au/~anthony/graph ... _not_exact

NOTE: GIF images have a 256 color limit of only Q8 colors, and can make ONE of those the fully transparent color.
Anthony Thyssen -- Webmaster for ImageMagick Example Pages
https://imagemagick.org/Usage/

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