208 lines
6.0 KiB
HTML
208 lines
6.0 KiB
HTML
<!-- Creator : groff version 1.18.1 -->
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<!-- CreationDate: Sat Feb 24 18:00:01 2007 -->
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<html>
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<head>
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta name="Content-Style" content="text/css">
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<title>TIFFSV</title>
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</head>
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<body>
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<h1 align=center>TIFFSV</h1>
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<a href="#NAME">NAME</a><br>
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<a href="#SYNOPSIS">SYNOPSIS</a><br>
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<a href="#DESCRIPTION">DESCRIPTION</a><br>
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<a href="#OPTIONS">OPTIONS</a><br>
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<a href="#NOTE">NOTE</a><br>
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<a href="#BUGS">BUGS</a><br>
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<a href="#SEE ALSO">SEE ALSO</a><br>
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<hr>
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<a name="NAME"></a>
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<h2>NAME</h2>
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<td width="8%"></td>
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<td width="91%">
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<p>tiffsv − save an image from the framebuffer in a
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<small>TIFF</small> file (Silicon Graphics version)</p>
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</td>
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</table>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p><b>tiffsv</b> [ <i>options</i> ] <i>output.tif</i> [
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<i>x1 x2 y1 y2</i> ]</p>
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</td>
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</table>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<td width="91%">
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<p><i>tiffsv</i> saves all or part of the framebuffer in a
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file using the Tag Image File Format, Revision 6.0. By
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default, the image is saved with data samples packed
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(<i>PlanarConfiguration</i>=1), compressed with the
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Lempel-Ziv & Welch algorithm (<i>Compression</i>=5), and
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with each strip no more than 8 kilobytes. These
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characteristics can be overridden, or explicitly specified
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with the options described below.</p>
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</td>
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</table>
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<a name="OPTIONS"></a>
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<h2>OPTIONS</h2>
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<!-- TABS -->
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<table width="100%" border=0 rules="none" frame="void"
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cols="5" cellspacing="0" cellpadding="0">
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<td width="10%"></td>
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<td width="3%">
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<p><b>−b</b></p>
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</td>
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<td width="5%"></td>
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<td width="80%">
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<p>Save the image as a greyscale image as if it were
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processed by <i>tiff2bw</i>(1). This option is included for
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compatibility with the standard <i>scrsave</i>(6D)
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program.</p>
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</td>
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<td width="0%">
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</td>
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<tr valign="top" align="left">
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<td width="10%"></td>
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<td width="3%">
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<p><b>−c</b></p>
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</td>
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<td width="5%"></td>
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<td width="80%">
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<p>Specify the compression to use for data written to the
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output file: <b>none</b> for no compression, <b>packbits</b>
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for PackBits compression, <b>jpeg</b> for baseline JPEG
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compression, <b>zip</b> for Deflate compression, and
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<b>lzw</b> for Lempel-Ziv & Welch compression
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(default).</p>
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</td>
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</td>
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</table>
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<td width="17%"></td>
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<td width="82%">
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<p><small>LZW</small> compression can be specified together
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with a <i>predictor</i> value. A predictor value of 2 causes
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each scanline of the output image to undergo horizontal
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differencing before it is encoded; a value of 1 forces each
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scanline to be encoded without differencing. LZW-specific
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options are specified by appending a
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‘‘:’’-separated list to the
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‘‘lzw’’ option; e.g. <b>−c
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lzw:2</b> for <small>LZW</small> compression with horizontal
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differencing.</p>
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</td>
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</table>
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<!-- TABS -->
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<table width="100%" border=0 rules="none" frame="void"
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cols="5" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td>
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<td width="3%">
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<p><b>−p</b></p>
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</td>
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<td width="5%"></td>
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<td width="80%">
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<p>Specify the planar configuration to use in writing image
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data. By default, <i>tiffsv</i> will create a new file with
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the data samples packed contiguously. Specifying <b>−p
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contig</b> will force data to be written with multi-sample
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data packed together, while <b>−p separate</b> will
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force samples to be written in separate planes.</p>
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</td>
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<td width="0%">
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</td>
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<tr valign="top" align="left">
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<td width="10%"></td>
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<td width="3%">
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<p><b>−r</b></p>
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</td>
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<td width="5%"></td>
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<td width="80%">
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<p>Specify the number of rows (scanlines) in each strip of
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data written to the output file. By default, <i>tiffsv</i>
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attempts to set the rows/strip that no more than 8 kilobytes
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of data appear in a strip.</p>
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</td>
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<td width="0%">
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</td>
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</table>
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<a name="NOTE"></a>
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<h2>NOTE</h2>
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<!-- INDENTATION -->
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p>Except for the use of <small>TIFF,</small> this program
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is equivalent to the standard <i>scrsave</i> program. This
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means, for example, that you can use it in conjunction with
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the standard <i>icut</i> program simply by creating a link
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called <i>scrsave</i>, or by creating a shell script called
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<i>scrsave</i> that invokes <i>tiffgt</i> with the
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appropriate options.</p>
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</td>
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</table>
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<a name="BUGS"></a>
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<h2>BUGS</h2>
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<!-- INDENTATION -->
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p>If data are saved compressed and in separate planes, then
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the rows in each strip is silently set to one to avoid
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limitations in the <b>libtiff</b>(3TIFF) library.</p>
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</td>
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</table>
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<a name="SEE ALSO"></a>
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<h2>SEE ALSO</h2>
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p><b>scrsave</b>(6D) <b>pal2rgb</b>(1), <b>tiffdump</b>(1),
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<b>tiffgt</b>(1), <b>tiffinfo</b>(1), <b>tiffcp</b>(1),
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<b>tiffmedian</b>(1), <b>libtiff</b>(3TIFF)</p>
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<!-- INDENTATION -->
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<p>Libtiff library home page:
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<b>http://www.remotesensing.org/libtiff/</b></p>
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</td>
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</table>
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<hr>
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</body>
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</html>
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