ppmquant man page on CentOS

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Ppmquant User Manual(0)				       Ppmquant User Manual(0)

NAME
       ppmquant	 - quantize the colors in a PPM image down to a specified num‐
       ber

SYNOPSIS
       ppmquant	  [-floyd|-fs]	 ncolors   [ppmfile]   ppmquant	  [-floyd|-fs]
       [-nofloyd|-nofs] -mapfile mapfile [ppmfile]

DESCRIPTION
       This program is part of Netpbm(1).

       ppmquant	 is obsolete.  All it does now is invoke pnmquant or pnmremap.
       You should use one of those programs in any new program, or if you  are
       modifying an old program, and your program does not have to work with a
       version of Netpbm before 9.21 (January 2001).  ppmquant exists only for
       name compatibility.

       pnmquant	 is  fully backward compatible with ppmquant without the -map‐
       file option; pnmremap is fully backward compatible with	ppmquant  with
       the -mapfile option.

       All  options  can  be abbreviated to their shortest unique prefix.  You
       may use two hyphens instead of one to designate an option.  You may use
       either  white  space  or	 equals	 signs	between an option name and its
       value.

       Except  with  differences  suggested  by	 the  syntax  synopsis	above,
       ppmquant's function is the same as pnmquant and pnmremap.

       Before Netpbm 10.19 (November 2003), ppmquant was a completely separate
       program from pnmquant, and was a bona fide PPM program.	That means  if
       you  gave  it a PGM or PBM image as input, it would process it as if it
       were PPM and generate a PPM output.  Now, since it is really a PNM pro‐
       gram, it processes PBM and PGM inputs as what they are and produces the
       same kind of output.

       Note: The reason ppmquant was changed in Netpbm 10.19 is that for  some
       time  before that, ppmquant had a serious bug that would have been dif‐
       ficult to fix -- it chose the wrong color set.	Maintaining  two  ver‐
       sions of the same code did not make sense.

SEE ALSO
       pnmquant(1), pnmremap(1), pnmcolormap(1), pamseq(1), ppm(1)

AUTHOR
       Copyright (C) 1989, 1991 by Jef Poskanzer.

netpbm documentation		22 October 2003	       Ppmquant User Manual(0)
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