PPMQVGA(1) General Commands Manual PPMQVGA(1)
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
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 report-
Original by Lyle Rains (firstname.lastname@example.org) as ppmq256 and ppmq256fs
combined, documented, and enhanced by Bill Davidsen (david-
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.
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