Provided by: netpbm_10.0-15.3_amd64
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)