PGMRAMP

NAME

      pgmramp - generate a grayscale ramp

SYNOPSIS

      pgmramp -lr|-tb | -rectangle|-ellipse width height

DESCRIPTION

      Generates a graymap of the specified size containing a black-to-white
      ramp.  These ramps are useful for multiplying with other images, using
      the pnmarith tool.

OPTIONS

      -lr  A left to right ramp.
      -tb  A top to bottom ramp.
      -rectangle
           A rectangular ramp.
      -ellipse
           An elliptical ramp.
      All flags can be abbreviated to their shortest unique prefix.

SEE ALSO

      pnmarith(1), pgm(5)

AUTHOR

      Copyright (C) 1989 by Jef Poskanzer.