source: trunk/src/3rdparty/libtiff/html/man/tiffsv.1.html

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1<!-- Creator : groff version 1.18.1 -->
2<!-- CreationDate: Fri Jul 13 17:43:20 2007 -->
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>TIFFSV</title>
8</head>
9<body>
10
11<h1 align=center>TIFFSV</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="#NOTE">NOTE</a><br>
17<a href="#BUGS">BUGS</a><br>
18<a href="#SEE ALSO">SEE ALSO</a><br>
19
20<hr>
21<a name="NAME"></a>
22<h2>NAME</h2>
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29<p>tiffsv &minus; save an image from the framebuffer in a
30<small>TIFF</small> file (Silicon Graphics version)</p>
31</td>
32</table>
33<a name="SYNOPSIS"></a>
34<h2>SYNOPSIS</h2>
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41<p><b>tiffsv</b> [ <i>options</i> ] <i>output.tif</i> [
42<i>x1 x2 y1 y2</i> ]</p>
43</td>
44</table>
45<a name="DESCRIPTION"></a>
46<h2>DESCRIPTION</h2>
47<!-- INDENTATION -->
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53<p><i>tiffsv</i> saves all or part of the framebuffer in a
54file using the Tag Image File Format, Revision 6.0. By
55default, the image is saved with data samples packed
56(<i>PlanarConfiguration</i>=1), compressed with the
57Lempel-Ziv &amp; Welch algorithm (<i>Compression</i>=5), and
58with each strip no more than 8 kilobytes. These
59characteristics can be overridden, or explicitly specified
60with the options described below.</p>
61</td>
62</table>
63<a name="OPTIONS"></a>
64<h2>OPTIONS</h2>
65<!-- TABS -->
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71
72<p><b>&minus;b</b></p>
73</td>
74<td width="5%"></td>
75<td width="80%">
76
77<p>Save the image as a greyscale image as if it were
78processed by <i>tiff2bw</i>(1). This option is included for
79compatibility with the standard <i>scrsave</i>(6D)
80program.</p>
81</td>
82<td width="0%">
83</td>
84<tr valign="top" align="left">
85<td width="10%"></td>
86<td width="3%">
87
88<p><b>&minus;c</b></p>
89</td>
90<td width="5%"></td>
91<td width="80%">
92
93<p>Specify the compression to use for data written to the
94output file: <b>none</b> for no compression, <b>packbits</b>
95for PackBits compression, <b>jpeg</b> for baseline JPEG
96compression, <b>zip</b> for Deflate compression, and
97<b>lzw</b> for Lempel-Ziv &amp; Welch compression
98(default).</p>
99</td>
100<td width="0%">
101</td>
102</table>
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108<td width="82%">
109<p><small>LZW</small> compression can be specified together
110with a <i>predictor</i> value. A predictor value of 2 causes
111each scanline of the output image to undergo horizontal
112differencing before it is encoded; a value of 1 forces each
113scanline to be encoded without differencing. LZW-specific
114options are specified by appending a
115&lsquo;&lsquo;:&rsquo;&rsquo;-separated list to the
116&lsquo;&lsquo;lzw&rsquo;&rsquo; option; e.g. <b>&minus;c
117lzw:2</b> for <small>LZW</small> compression with horizontal
118differencing.</p>
119</td>
120</table>
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127
128<p><b>&minus;p</b></p>
129</td>
130<td width="5%"></td>
131<td width="80%">
132
133<p>Specify the planar configuration to use in writing image
134data. By default, <i>tiffsv</i> will create a new file with
135the data samples packed contiguously. Specifying <b>&minus;p
136contig</b> will force data to be written with multi-sample
137data packed together, while <b>&minus;p separate</b> will
138force samples to be written in separate planes.</p>
139</td>
140<td width="0%">
141</td>
142<tr valign="top" align="left">
143<td width="10%"></td>
144<td width="3%">
145
146<p><b>&minus;r</b></p>
147</td>
148<td width="5%"></td>
149<td width="80%">
150
151<p>Specify the number of rows (scanlines) in each strip of
152data written to the output file. By default, <i>tiffsv</i>
153attempts to set the rows/strip that no more than 8 kilobytes
154of data appear in a strip.</p>
155</td>
156<td width="0%">
157</td>
158</table>
159<a name="NOTE"></a>
160<h2>NOTE</h2>
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166<td width="91%">
167<p>Except for the use of <small>TIFF,</small> this program
168is equivalent to the standard <i>scrsave</i> program. This
169means, for example, that you can use it in conjunction with
170the standard <i>icut</i> program simply by creating a link
171called <i>scrsave</i>, or by creating a shell script called
172<i>scrsave</i> that invokes <i>tiffgt</i> with the
173appropriate options.</p>
174</td>
175</table>
176<a name="BUGS"></a>
177<h2>BUGS</h2>
178<!-- INDENTATION -->
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184<p>If data are saved compressed and in separate planes, then
185the rows in each strip is silently set to one to avoid
186limitations in the <b>libtiff</b>(3TIFF) library.</p>
187</td>
188</table>
189<a name="SEE ALSO"></a>
190<h2>SEE ALSO</h2>
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197<p><b>scrsave</b>(6D) <b>pal2rgb</b>(1), <b>tiffdump</b>(1),
198<b>tiffgt</b>(1), <b>tiffinfo</b>(1), <b>tiffcp</b>(1),
199<b>tiffmedian</b>(1), <b>libtiff</b>(3TIFF)</p>
200<!-- INDENTATION -->
201<p>Libtiff library home page:
202<b>http://www.remotesensing.org/libtiff/</b></p>
203</td>
204</table>
205<hr>
206</body>
207</html>
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