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author | mike <mike> | 1999-07-27 21:50:26 +0000 |
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committer | mike <mike> | 1999-07-27 21:50:26 +0000 |
commit | eee9461f2dad9f0d44b5e0444d9fc2079368cc87 (patch) | |
tree | 0d2948bd5610d1fa6b8124c344c4b409c820ec41 /man/tiff2bw.1 | |
download | libtiff-eee9461f2dad9f0d44b5e0444d9fc2079368cc87.tar.gz |
Initial revision
Diffstat (limited to 'man/tiff2bw.1')
-rw-r--r-- | man/tiff2bw.1 | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/man/tiff2bw.1 b/man/tiff2bw.1 new file mode 100644 index 00000000..5d979a60 --- /dev/null +++ b/man/tiff2bw.1 @@ -0,0 +1,91 @@ +.\" $Header: /cvs/maptools/cvsroot/libtiff/man/tiff2bw.1,v 1.1 1999-07-27 21:50:28 mike Exp $ +.\" +.\" Copyright (c) 1988-1997 Sam Leffler +.\" Copyright (c) 1991-1997 Silicon Graphics, Inc. +.\" +.\" Permission to use, copy, modify, distribute, and sell this software and +.\" its documentation for any purpose is hereby granted without fee, provided +.\" that (i) the above copyright notices and this permission notice appear in +.\" all copies of the software and related documentation, and (ii) the names of +.\" Sam Leffler and Silicon Graphics may not be used in any advertising or +.\" publicity relating to the software without the specific, prior written +.\" permission of Sam Leffler and Silicon Graphics. +.\" +.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, +.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY +.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. +.\" +.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR +.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, +.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF +.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +.\" OF THIS SOFTWARE. +.\" +.if n .po 0 +.TH TIFF2BW 1 "October 15, 1995" +.SH NAME +tiff2bw \- convert a color +.SM TIFF +image to greyscale +.SH SYNOPSIS +.B tiff2bw +[ +options +] +.I input.tif +.I output.tif +.SH DESCRIPTION +.I Tiff2bw +converts an +.SM RGB +or Palette color +.SM 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 +.BR \-R , +.BR \-G , +and +.BR \-B +options may be used. +.SH OPTIONS +.TP +.B \-c +Specify a compression scheme to use when writing image data: +.B "\-c none" +for no compression, +.B "-c packbits" +for the PackBits compression algorithm, +.B "-c zip +for the Deflate compression algorithm, +.B "-c g3 +for the CCITT Group 3 compression algorithm, +.B "-c g4 +for the CCITT Group 4 compression algorithm, +and +.B "\-c lzw" +for Lempel-Ziv & Welch (the default). +.TP +.B \-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. +.TP +.B \-R +Specify the percentage of the red channel to use (default 28). +.TP +.B \-G +Specify the percentage of the green channel to use (default 59). +.TP +.B \-B +Specify the percentage of the blue channel to use (default 11). +.SH "SEE ALSO" +.IR pal2rgb (1), +.IR tiffinfo (1), +.IR tiffcp (1), +.IR tiffmedian (1), +.IR libtiff (3) |