ppmtogif(1)ppmtogif(1)NAMEppmtogif - convert a portable pixmap into a GIF file
SYNOPSISppmtogif [-interlace] [-sort] [-map mapfile] [-transparent color] [ppm‐
Reads a portable pixmap as input. Produces a GIF file as output.
Tells the program to produce an interlaced GIF file.
-sort Produces a GIF file with a sorted color map.
Uses the colors found in the mapfile to create the colormap in
the GIF file, instead of the colors from ppmfile. The mapfile
can be any ppm file; all that matters is the colors in it. If
the colors in ppmfile do not match those in mapfile , they are
matched to a "best match". A (much) better result can be
obtained by using the following filter in advance:
ppmquant -floyd -map mapfile
Mark the given color as transparent in the GIF file. The color
is specified as in ppmmake(1). Note that this option outputs a
GIF89a format file which might not be understood by your soft‐
All flags can be abbreviated to their shortest unique prefix.
SEE ALSOgiftoppm(1), ppmquant(1), ppm(5)AUTHOR
Based on GIFENCOD by David Rowley <email@example.com>. Lem‐
pel-Ziv compression based on "compress".
Copyright (C) 1989 by Jef Poskanzer.
30 June 1993 ppmtogif(1)