PPMQVGA(1)PPMQVGA(1)NAMEppmqvga - 8 plane quantization
SYNOPSISppmqvga [ options ] [ input file ]
DESCRIPTIONppmqvga 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.
Options
-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 num-
ber 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.
EXAMPLESppmqvga-d my_image.ppm | ppmtogif >my_image.gif
tgatoppm zombie.tga | ppmqvga | ppmtotif > zombie.tif
SEE ALSO
ppmquant
DIAGNOSTICS
Error messages if problems, various levels of optional
progress reporting.
LIMITATIONS
none known.
AUTHOR
Original by Lyle Rains (lrains@netcom.com) as ppmq256 and
ppmq256fs combined, documented, and enhanced by Bill
Davidsen (davidsen@crd.ge.com)
Copyright
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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