pnmindex - build a visual index of a bunch of anymaps


SYNOPSIS

       pnmindex  [-size  N]  [-across  N]  [-colors  N]  [-black]
       [-title T] [-quant|-noquant] pnmfile ...


DESCRIPTION

       pnmindex  creates  an  index  image  containing  thumbnail
       (small) versions of a bunch of PNM files you supply.

       pnmindex labels each thumbnail and, optionally, contains a
       title.


OPTIONS

       -size N
              The size of each thumbnail.  The image is scaled to
              fit  maximally  inside  a  N  x N pixel box without
              changing its aspect ratio.  Default is 100.

       -across N
              The number of thumbnails in each row.   Default  is
              6.

       -colors N
              The maximum number of colors allowed in the overall
              image.  If it would otherwise have more colors than
              these,  pnmindex quantizes the result.  The default
              is 256.

              However, this value is meaningless if  you  specify
              the -noquant option.

       -black This  controls the color of the padding between the
              images; normally it's  white  and  the  labels  are
              black lettering on white background, but the -black
              flag reverses this.

       -title title
              Specifies a title top  place  at  the  top  of  the
              image.  Default is no title.

       -quant Enables quanization (to the number of colors speci­
              fied by -colors ).  Quantization is on  by  default
              but you can disable it with -noquant.

       -noquant
              See -quant.

       pnmscale(1), pnmcat(1), pbmtext(1), ppmquant(1), pnm(5)


AUTHOR

       Copyright  (C) 1991 by Jef Poskanzer.  -title and -noquant
       added 2000 by John Heidemann.


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