pgmramp (1) - Linux Man Pages

pgmramp: generate a grayscale ramp

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.

AUTHOR

Copyright (C) 1989 by Jef Poskanzer.

SEE ALSO

pnmarith(1), pgm(5)