Posted: 2006-04-30T16:57:35-07:00
magick wrote: Most likely the other programs can only display 8-bit PPM files.
Yep this is the problem, the -depth 8 option fixes this. Many thanks again for your help.
Use https://github.com/ImageMagick/ImageMagick/discussions instead.
https://imagemagick.com/discourse-server/
https://imagemagick.com/discourse-server/viewtopic.php?t=6458
magick wrote: Most likely the other programs can only display 8-bit PPM files.