MAN page from CentOS 6 libtiff-3.9.4-10.el6_5.x86_64.rpm
TIFF2BW
Section: User Commands (1)
Updated: November 2, 2005
Index NAME
tiff2bw - convert a color
TIFFimage to greyscale
SYNOPSIS
tiff2bw[
options]
input.tifoutput.tif DESCRIPTION
Tiff2bwconverts an
RGBor Palette color
TIFFimage to a greyscale image bycombining percentages of the red, green, and blue channels.By default, output samples are created by taking28% of the red channel, 59% of the green channel, and 11% ofthe blue channel.To alter these percentages, the
-R,
-G,and
-Boptions may be used.
OPTIONS
- -c
- Specify a compression scheme to use when writing image data:-c nonefor no compression,-c packbitsfor the PackBits compression algorithm,-c zipfor the Deflate compression algorithm,-c g3for the CCITT Group 3 compression algorithm,-c g4for the CCITT Group 4 compression algorithm,and-c lzwfor 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 stripis 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).
SEE ALSO
pal2rgb(1),
tiffinfo(1),
tiffcp(1),
tiffmedian(1),
libtiff(3)
Libtiff library home page:http://www.remotesensing.org/libtiff/
Index
- NAME
- SYNOPSIS
- DESCRIPTION
- OPTIONS
- SEE ALSO
This document was created byman2html,using the manual pages.
