bw3-pix — merge black and white bw images into a color pix file
bw3-pix merges (combines the colors of) bw(5) format files into a pix(5) file. bw3-pix reads the specified input files and writes stdout until all files have been exhausted. The first file goes into the red color plane, the second green, the third blue.
accepts two special filename synonyms:
which stands for stdin, and
which stands for
the latter of which will write black into the corresponding color plane.
This software is Copyright (c) 1989-2016 by the United States Government as represented by U.S. Army Research Laboratory.