Интерактивная система просмотра системных руководств (man-ов)
tiff2bw (1)
tiff2bw (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
>> tiff2bw (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
NAME
tiff2bw - convert a color
TIFF
image to greyscale
SYNOPSIS
tiff2bw
[
options
]
input.tifoutput.tif
DESCRIPTION
Tiff2bw
converts an
RGB
or Palette color
TIFF
image to a greyscale image by
combining percentages of the red, green, and blue channels.
By default, output samples are created by taking
28% of the red channel, 59% of the green channel, and 11% of
the blue channel.
To alter these percentages, the
-R,
-G,
and
-B
options may be used.
OPTIONS
-c
Specify a compression scheme to use when writing image data:
-c none
for no compression,
-c packbits
for the PackBits compression algorithm,
-c zip
for the Deflate compression algorithm,
-c g3
for the CCITT Group 3 compression algorithm,
-c g4
for the CCITT Group 4 compression algorithm,
and
-c lzw
for Lempel-Ziv & Welch (the default).
-r
Write data with a specified number of rows per strip;
by default the number of rows/strip is selected so that each strip
is approximately 8 kilobytes.
-R
Specify the percentage of the red channel to use (default 28).
-G
Specify the percentage of the green channel to use (default 59).
-B
Specify the percentage of the blue channel to use (default 11).
