diff -r 000000000000 -r 1918ee327afb src/3rdparty/libtiff/html/man/tiff2bw.1.html --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/3rdparty/libtiff/html/man/tiff2bw.1.html Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,160 @@ + + + + + + +TIFF2BW + + + +

TIFF2BW

+NAME
+SYNOPSIS
+DESCRIPTION
+OPTIONS
+SEE ALSO
+ +
+ +

NAME

+ + + + + +
+

tiff2bw − convert a color TIFF image +to greyscale

+
+ +

SYNOPSIS

+ + + + + +
+

tiff2bw [ options ] input.tif +output.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).

+		 +
+ +

SEE ALSO

+ + + + + +
+

pal2rgb(1), tiffinfo(1), tiffcp(1), +tiffmedian(1), libtiff(3)

+ +

Libtiff library home page: +http://www.remotesensing.org/libtiff/

+
+
+ +