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[wxWidgets.git] / src / tiff / html / man / ppm2tiff.1.html
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1<!-- Creator : groff version 1.18.1 -->
2<!-- CreationDate: Mon Mar 13 18:03:12 2006 -->
3<html>
4<head>
5<meta name="generator" content="groff -Thtml, see www.gnu.org">
6<meta name="Content-Style" content="text/css">
7<title>PPM2TIFF</title>
8</head>
9<body>
10
11<h1 align=center>PPM2TIFF</h1>
12<a href="#NAME">NAME</a><br>
13<a href="#SYNOPSIS">SYNOPSIS</a><br>
14<a href="#DESCRIPTION">DESCRIPTION</a><br>
15<a href="#OPTIONS">OPTIONS</a><br>
16<a href="#SEE ALSO">SEE ALSO</a><br>
17
18<hr>
19<a name="NAME"></a>
20<h2>NAME</h2>
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27<p>ppm2tiff &minus; create a <small>TIFF</small> file from
28<small>PPM, PGM</small> and <small>PBM</small> image
29files</p>
30</td>
31</table>
32<a name="SYNOPSIS"></a>
33<h2>SYNOPSIS</h2>
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40<p><b>ppm2tiff</b> [ <i>options</i> ] [ <i>input.ppm</i> ]
41<i>output.tif</i></p>
42</td>
43</table>
44<a name="DESCRIPTION"></a>
45<h2>DESCRIPTION</h2>
46<!-- INDENTATION -->
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52<p><i>ppm2tiff</i> converts a file in the <small>PPM,
53PGM</small> and <small>PBM</small> image formats to
54<small>TIFF.</small> By default, the <small>TIFF</small>
55image is created with data samples packed
56(<i>PlanarConfiguration</i>=1), compressed with the Packbits
57algorithm (<i>Compression</i>=32773), and with each strip no
58more than 8 kilobytes. These characteristics can be
59overridden, or explicitly specified with the options
60described below</p>
61<!-- INDENTATION -->
62<p>If the <small>PPM</small> file contains greyscale data,
63then the <i>PhotometricInterpretation</i> tag is set to 1
64(min-is-black), otherwise it is set to 2 (RGB).</p>
65<!-- INDENTATION -->
66<p>If no <small>PPM</small> file is specified on the command
67line, <i>ppm2tiff</i> will read from the standard input.</p>
68</td>
69</table>
70<a name="OPTIONS"></a>
71<h2>OPTIONS</h2>
72<!-- TABS -->
73<table width="100%" border=0 rules="none" frame="void"
74 cols="5" cellspacing="0" cellpadding="0">
75<tr valign="top" align="left">
76<td width="10%"></td>
77<td width="3%">
78
79<p><b>&minus;c</b></p>
80</td>
81<td width="5%"></td>
82<td width="80%">
83
84<p>Specify a compression scheme to use when writing image
85data: <b>none</b> for no compression, <b>packbits</b> for
86PackBits compression (will be used by default), <b>lzw</b>
87for Lempel-Ziv &amp; Welch compression, <b>jpeg</b> for
88baseline JPEG compression, <b>zip</b> for Deflate
89compression, <b>g3</b> for CCITT Group 3 (T.4) compression,
90and <b>g4</b> for CCITT Group 4 (T.6) compression.</p>
91</td>
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93</td>
94<tr valign="top" align="left">
95<td width="10%"></td>
96<td width="3%">
97
98<p><b>&minus;r</b></p>
99</td>
100<td width="5%"></td>
101<td width="80%">
102
103<p>Write data with a specified number of rows per strip; by
104default the number of rows/strip is selected so that each
105strip is approximately 8 kilobytes.</p>
106</td>
107<td width="0%">
108</td>
109<tr valign="top" align="left">
110<td width="10%"></td>
111<td width="3%">
112
113<p><b>&minus;R</b></p>
114</td>
115<td width="5%"></td>
116<td width="80%">
117
118<p>Mark the resultant image to have the specified X and Y
119resolution (in dots/inch).</p>
120</td>
121<td width="0%">
122</td>
123</table>
124<a name="SEE ALSO"></a>
125<h2>SEE ALSO</h2>
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132<p><b>tiffinfo</b>(1), <b>tiffcp</b>(1),
133<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p>
134<!-- INDENTATION -->
135<p>Libtiff library home page:
136<b>http://www.remotesensing.org/libtiff/</b></p>
137</td>
138</table>
139<hr>
140</body>
141</html>