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1995-03-17
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pnmgamma(1) AMIGA (12 January 1991) pnmgamma(1)
NAME
pnmgamma - perform gamma correction on a portable anymap
SYNOPSIS
pnmgamma value [pnmfile]
pnmgamma redvalue greenvalue bluevalue [pnmfile]
DESCRIPTION
Reads a portable anymap as input. Performs gamma
correction, and produces a portable anymap as output.
The arguments specify what gamma value(s) to use. A value
of 1.0 leaves the image alone, less than one darkens it, and
greater than one lightens it.
SEE ALSO
pnm(5)
AUTHOR
Copyright (C) 1991 by Bill Davidson and Jef Poskanzer.
Page 1 (printed 10/19/91)