ppmhist - print a histogram of a portable pixmap


SYNOPSIS

       ppmhist [-hexcolor] [-noheader] [-map] [-nomap] [ppmfile]


DESCRIPTION

       Reads  a  portable pixmap as input.  Generates a histogram
       of the colors in the pixmap.


OPTIONS

       -hexcolor
              Print the color components in hexadecimal.  Default
              is decimal.

       -noheader
              Do not print the column headings.

       -map   Generates a PPM file of the colormap for the image,
              with the color histogram as comments.

       -nomap Generates the histogram for human reading.  This is
              the default.


SEE ALSO

       ppm(5),   pgmhist(1),   ppmtomap(1),  pnmhistmap(1),  ppm­
       change(1)


AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.


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