2014.12.15 17:49 "[Tiff] Unnecessary bigger JPEG-compressed TIFF", by Even Rouault

2014.12.20 22:51 "Re: [Tiff] Unnecessary bigger JPEG-compressed TIFF", by Bob Friesenhahn

Have you compared JPEG-compressed TIFF output sizes with original JPEG files?

Perhaps GraphicsMagick (and ImageMagick) are doing something wrong, but TIFF with JPEG compression is looking a *lot* larger than original JPEG files:

freddy:~% gm convert seaworld.jpg -quality 90 crap.tiff
freddy:~% ls -l seaworld.jpg crap.tiff

-rw-r--r--   1 bfriesen home      939868 Dec 20 16:45 crap.tiff
-r--r--r--   1 bfriesen home      208903 Jun 12  2008 seaworld.jpg

Even using one strip per image makes little difference.

Bob Friesenhahn
bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/