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 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.


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.


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