Linux Commands Examples

A great documentation place for Linux commands


generate a grayscale ramp

see also : pnmarith


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

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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.



A left to right ramp.


A top to bottom ramp.


A rectangular ramp.


An elliptical ramp.

All flags can be abbreviated to their shortest unique prefix.

see also

pnmarith , pgm


Copyright (C) 1989 by Jef Poskanzer.

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