Section: User Commands (1)
-d dither. Apply Floyd-Steinberg dithering to the data
-q quiet. Produces no progress reporting, and no terminal output unless and error occurs.
-v verbose. Produces additional output describing the number of colors found, and some information on the resulting mapping. May be repeated to generate loads of internal table output, but generally only useful once.
ppmqvga -d my_image.ppm | ppmtogif >my_image.gif
Copyright 1991,1992 by Bill Davidsen, all rights reserved. The program and documentation may be freely distributed by anyone in source or binary format. Please clearly note any changes.