ppmtogif man page on Tru64

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ppmtogif(1)							   ppmtogif(1)

NAME
       ppmtogif - convert a portable pixmap into a GIF file

SYNOPSIS
       ppmtogif [-interlace] [-sort] [-map mapfile] [-transparent color] [ppm‐
       file]

DESCRIPTION
       Reads a portable pixmap as input.  Produces a GIF file as output.

OPTIONS
       -interlace
	      Tells the program to produce an interlaced GIF file.

       -sort  Produces a GIF file with a sorted color map.

       -map   mapfile

	      Uses the colors found in the mapfile to create the  colormap  in
	      the  GIF	file, instead of the colors from ppmfile.  The mapfile
	      can be any ppm file; all that matters is the colors  in  it.  If
	      the  colors  in ppmfile do not match those in mapfile , they are
	      matched to a  "best  match".  A  (much)  better  result  can  be
	      obtained by using the following filter in advance:

	      ppmquant -floyd -map mapfile

       -transparent color
	      Mark  the given color as transparent in the GIF file.  The color
	      is specified as in ppmmake(1).  Note that this option outputs  a
	      GIF89a  format  file which might not be understood by your soft‐
	      ware.

       All flags can be abbreviated to their shortest unique prefix.

SEE ALSO
       giftoppm(1), ppmquant(1), ppm(5)

AUTHOR
       Based on GIFENCOD by David Rowley <mgardi@watdcsu.waterloo.edu>.	  Lem‐
       pel-Ziv compression based on "compress".

       Copyright (C) 1989 by Jef Poskanzer.

				 30 June 1993			   ppmtogif(1)
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