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RedHat 9 (Linux i386) - man page for pgmramp (redhat section 1)

pgmramp(1)						      General Commands Manual							pgmramp(1)

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. 24 November 1989 pgmramp(1)