pgmramp

Section: User Commands (1)
Updated: 24 November 1989
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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