Am Sonntag, 27. Januar 2008 schrieb Erik: > I tried "compare A.png A.png difference.png". This should obviously produce > some kind of blank image > because A.png and A.png are the same file, but for some weird reason the > produced difference.png has recognizable content! Try "compare -metric AE A.png A.png difference.png" This gives you the absolute number of diffrent pixels.
http://www.imagemagick.org/script/command-line-options.php#metric Regards Jens -- gentoo-user@lists.gentoo.org mailing list