Even
convert logo: -posterize 16 o.png
does not work. The result has many more than 16 colors (the input has 255 colors and the output has 164)
convert logo: -dither Riemersma -colors 16 o.png
works (output has 16 colors which is probably what you wanted).
Argument by posterize is number of ...
Search found 2 matches
- 2012-11-14T09:23:29-07:00
- Forum: Bugs
- Topic: Dithering works not with posterize
- Replies: 13
- Views: 19600
- 2012-11-14T07:14:46-07:00
- Forum: Bugs
- Topic: Dithering works not with posterize
- Replies: 13
- Views: 19600
Re: Dithering works not with posterize
Folks, I really want this to be solved.
ImageMagick 6.8.0-4
OS: Windows XP
Command:
convert 1056.bmp -dither Riemersma -posterize 16 o.png
Dither does nothing.
While with:
convert 1056.bmp -dither Riemersma -colors 256 o.png
dithering works.
And it works for me under Linux on my second ...
ImageMagick 6.8.0-4
OS: Windows XP
Command:
convert 1056.bmp -dither Riemersma -posterize 16 o.png
Dither does nothing.
While with:
convert 1056.bmp -dither Riemersma -colors 256 o.png
dithering works.
And it works for me under Linux on my second ...