libtiff/html/man/tiff2bw.1.html

134 lines
4.6 KiB
HTML
Raw Normal View History

2002-10-07 09:47:36 -04:00
<html>
<head>
<meta name="generator" content="groff -Thtml, see www.gnu.org">
<meta name="Content-Style" content="text/css">
<title>TIFF2BW</title>
</head>
<body>
<h1 align=center>TIFF2BW</h1>
<a href="#NAME">NAME</a><br>
<a href="#SYNOPSIS">SYNOPSIS</a><br>
<a href="#DESCRIPTION">DESCRIPTION</a><br>
<a href="#OPTIONS">OPTIONS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
2003-11-27 10:07:01 -05:00
<!-- Creator : groff version 1.17.2 -->
<!-- CreationDate: Thu Nov 27 17:58:11 2003 -->
2002-10-07 09:47:36 -04:00
<a name="NAME"></a>
<h2>NAME</h2>
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
2002-10-07 09:47:36 -04:00
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="10%"></td><td width="90%">
tiff2bw - convert a color <small>TIFF</small> image to greyscale</td></table>
2002-10-07 09:47:36 -04:00
<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
2002-10-07 09:47:36 -04:00
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="10%"></td><td width="90%">
<b>tiff2bw</b> [ options ] <i>input.tif
output.tif</i></td></table>
2002-10-07 09:47:36 -04:00
<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
2002-10-07 09:47:36 -04:00
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="10%"></td><td width="90%">
<i>Tiff2bw</i> converts an <small>RGB</small> or Palette
2002-10-07 09:47:36 -04:00
color <small>TIFF</small> image to a greyscale image by
1999-11-22 23:29:23 -05:00
combining percentages of the red, green, and blue channels.
2002-10-07 09:47:36 -04:00
By default, output samples are created by taking 28% of the
red channel, 59% of the green channel, and 11% of the blue
2003-11-27 10:07:01 -05:00
channel. To alter these percentages, the <b>-R</b>,
<b>-G</b>, and <b>-B</b> options may be used.</td></table>
2002-10-07 09:47:36 -04:00
<a name="OPTIONS"></a>
<h2>OPTIONS</h2>
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-c</b></td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
2002-10-07 09:47:36 -04:00
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="21%"></td><td width="79%">
Specify a compression scheme to use when writing image data:
<b>-c none</b> for no compression, <b>-c packbits</b> for
the PackBits compression algorithm, <b>-c zip</b> for the
Deflate compression algorithm, <b>-c g3</b> for the CCITT
Group 3 compression algorithm, <b>-c g4</b> for the CCITT
Group 4 compression algorithm, and <b>-c lzw</b> for
Lempel-Ziv &amp; Welch (the default).</td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-r</b></td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
2002-10-07 09:47:36 -04:00
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="21%"></td><td width="79%">
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.</td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-R</b></td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
2002-10-07 09:47:36 -04:00
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="21%"></td><td width="79%">
Specify the percentage of the red channel to use (default
28).</td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-G</b></td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
2002-10-07 09:47:36 -04:00
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="21%"></td><td width="79%">
Specify the percentage of the green channel to use (default
59).</td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="10%"></td><td width="90%">
<b>-B</b></td></table>
2002-10-07 09:47:36 -04:00
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
<td width="21%"></td><td width="79%">
Specify the percentage of the blue channel to use (default
11).</td></table>
2002-10-07 09:47:36 -04:00
<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
2003-11-27 10:07:01 -05:00
<table width="100%" border=0 rules="none" frame="void"
2002-10-07 09:47:36 -04:00
cols="2" cellspacing="0" cellpadding="0">
<tr valign="top" align="left">
2003-11-27 10:07:01 -05:00
<td width="10%"></td><td width="90%">
<i>pal2rgb</i>(1), <i>tiffinfo</i>(1), <i>tiffcp</i>(1),
<i>tiffmedian</i>(1), <i>libtiff</i>(3)</td></table>
2002-10-07 09:47:36 -04:00
<hr>
</body>
</html>