TOBW(1) 1 (Month DD, YYYY) TOBW(1)
NAME
tobw - Convert a 24 bit RLE file to eight bits of gray scale
value.
SYNOPSIS
tobw [ -t ] [ -o outfile ] [ infile ]
DESCRIPTION
Tobw converts an image with 24 bit pixel values (eight bits
each of red, green and blue) to eight bits of grayscale
information. The NTSC Y transform is used. If the -t flag
is given, then the monochrome pixel values are replicated on
all three output channels (otherwise, just one channel of
eight bit data is produced). If no input file is specified,
tobw reads from stdin. If no output file is specified with
-o, it writes the result to stdout.
SEE ALSO
to8(1), urt(1), rgb_to_bw(3), RLE(5).
AUTHOR
Spencer Thomas
Page 1 (printed 12/1/98)
