pgmramp

 

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 pgmramp(1)                                             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 multiply­
        ing 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 pre­
        fix.
 
SEE ALSO
        pnmarith(1), pgm(5)
 
AUTHOR
        Copyright (C) 1989 by Jef Poskanzer.
 
 
 
                          24 November 1989              pgmramp(1)

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