RGB3TOPPM
NAME
rgb3toppm - combine three portable graymaps into one portable pixmap
SYNOPSIS
rgb3toppm redpgmfile greenpgmfile bluepgmfile
DESCRIPTION
Reads three portable graymaps as input. Combines them and produces
one portable pixmap as output.
DEMONSTRATION
Let a.ppm be a portable pixmap.
The following command will combine the three greymaps into a pixmap:
ppmmerge rgb3toppm a.red a.grn a.blu > a.ppm
BEFORE
red

green

blue

AFTER
SEE ALSO
ppmtorgb3(1), pgmtoppm(1), ppmtopgm(1), ppm(5), pgm(5)
AUTHOR
Copyright (C) 1991 by Jef Poskanzer.