phpman > man > ppmqvga(1)

PPMQVGA(1)                             General Commands Manual                            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 infor‐
       mation  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 AT netcom.com) as ppmq256 and ppmq256fs combined, documented, and
       enhanced by Bill Davidsen (davidsen AT crd.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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