NAME
    pgmslice - extract one line of pixel values out of a portable graymap

SYNOPSIS
    pgmslice -row|-col line [pgmfile]

DESCRIPTION
    Extracts one line of pixel values out of a portable graymap and outputs
    it in a two column ascii format, with the first value being the pixel's
    position  in the line and the second value the pixel's greyscale value.
    This is  useful  for making cross sections through,  for example,
    greyscale CCD images.

OPTIONS
    -row  Extract a row of pixels

    -col  Extract a column of pixels

SEE ALSO
    pgm(5)

AUTHOR
    pgmslice was written by Jos Dingjan <jos@tuatha.org> after being unable
    to find the source code to Marco Beijersbergen's program with the same
    name.