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1993-08-31
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PPMQVGA(1) AMIGA (local) PPMQVGA(1)
NAME
ppmqvga - 8 plane quantization
SYNOPSIS
ppmqvga [ options ] [ input file ]
DESCRIPTION
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.
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 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.
EXAMPLES
ppmqvga -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.
Page 1 (printed 8/31/93)