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ppmqvga - 8 plane quantization
ppmqvga [ options ] [ input file ]
ppmqvga quantizes PPM files to 8 planes, with optional Floyd-Steinberg dithering. Input
is a PPM file from the file named, or standard input of no file is provided.
-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
tgatoppm zombie.tga | ppmqvga | ppmtotif > zombie.tif
Error messages if problems, various levels of optional progress reporting.
Original by Lyle Rains (firstname.lastname@example.org) as ppmq256 and ppmq256fs combined, documented,
and enhanced by Bill Davidsen (email@example.com)
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
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