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pnmmontage(1)							 pnmmontage(1)

NAME
       pnmmontage - create a montage of portable anymaps

SYNOPSIS
       pnmmontage  [-?|-help]  [-header=headerfile] [-quality=n] [-prefix=pre‐
       fix] [-0|-1|-2|...|-9] pnmfile...

DESCRIPTION
       Packs images of differing sizes into a  minimum-area  composite	image,
       optionally  producing  a C header file with the locations of the subim‐
       ages within the composite image.

OPTIONS
       -?, -help
	      Displays a (very) short usage message.

       -header
	      Tells pnmmontage to write a C header file of  the	 locations  of
	      the  original  images  within  the  packed image.	 Each original
	      image generates four #defines  within  the  packed  file:	 xxxX,
	      xxxY,  xxxSZX,  and  xxxSZY,  where xxx is the name of the file,
	      converted to all uppercase.  The #defines OVERALLX and  OVERALLY
	      are  also	 produced,  specifying	the  total size of the montage
	      image.

       -prefix
	      Tells pnmmontage to use the  specified  prefix  on  all  of  the
	      #defines it generates.

       -quality
	      Before attempting to place the subimages, pnmmontage will calcu‐
	      late a minimum possible area for the montage; this is either the
	      total  of	 the  areas  of all the subimages, or the width of the
	      widest subimage times the height of the tallest subimage, which‐
	      ever  is	greater.   pnmmontage  then  initiates a problem-space
	      search to find the best packing; if it finds a solution that  is
	      (at  least)  as  good as the minimum area times the quality as a
	      percent, it will break out of the search.	  Thus,	 -q  100  will
	      find  the	 best  possible	 solution; however, it may take a very
	      long time to do so.  The default is -q 200.

       -0, -1, ... -9
	      These options control the quality at a higher level than -q;  -0
	      is  the worst quality (literally pick the first solution found),
	      while -9 is the best quality (perform an	exhaustive  search  of
	      problem  space  for  the absolute best packing).	The higher the
	      number, the slower the computation.  The default is -5.

NOTES
       Using -9 is excessively slow on all but the smallest  image  sets.   If
       the  anymaps  differ in maxvals, then pnmmontage will pick the smallest
       maxval which is evenly divisible by each of the maxvals of the original
       images.

SEE ALSO
       pnmcat(1), pnmindex(1), pnm(5), pam(5), pbm(5), pgm(5), ppm(5)

AUTHOR
       Copyright (C) 2000 by Ben Olmstead.

			       31 December 2000			 pnmmontage(1)
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