142 lines
3.9 KiB
HTML
142 lines
3.9 KiB
HTML
<!-- Creator : groff version 1.18.1 -->
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<!-- CreationDate: Sat Feb 24 18:37:19 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>PPM2TIFF</title>
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</head>
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<body>
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<h1 align=center>PPM2TIFF</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="#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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<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>ppm2tiff − create a <small>TIFF</small> file from
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<small>PPM, PGM</small> and <small>PBM</small> image
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files</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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<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><b>ppm2tiff</b> [ <i>options</i> ] [ <i>input.ppm</i> ]
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<i>output.tif</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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<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><i>ppm2tiff</i> converts a file in the <small>PPM,
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PGM</small> and <small>PBM</small> image formats to
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<small>TIFF.</small> By default, the <small>TIFF</small>
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image is created with data samples packed
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(<i>PlanarConfiguration</i>=1), compressed with the Packbits
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algorithm (<i>Compression</i>=32773), and with each strip no
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more than 8 kilobytes. These characteristics can be
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overridden, or explicitly specified with the options
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described below</p>
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<!-- INDENTATION -->
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<p>If the <small>PPM</small> file contains greyscale data,
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then the <i>PhotometricInterpretation</i> tag is set to 1
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(min-is-black), otherwise it is set to 2 (RGB).</p>
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<p>If no <small>PPM</small> file is specified on the command
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line, <i>ppm2tiff</i> will read from the standard input.</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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<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 a compression scheme to use when writing image
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data: <b>none</b> for no compression, <b>packbits</b> for
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PackBits compression (will be used by default), <b>lzw</b>
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for Lempel-Ziv & Welch compression, <b>jpeg</b> for
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baseline JPEG compression, <b>zip</b> for Deflate
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compression, <b>g3</b> for CCITT Group 3 (T.4) compression,
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and <b>g4</b> for CCITT Group 4 (T.6) compression.</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>Write data with a specified number of rows per strip; by
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default the number of rows/strip is selected so that each
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strip is approximately 8 kilobytes.</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>Mark the resultant image to have the specified X and Y
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resolution (in dots/inch).</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="SEE ALSO"></a>
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<h2>SEE ALSO</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><b>tiffinfo</b>(1), <b>tiffcp</b>(1),
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<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p>
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<!-- INDENTATION -->
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<p>Libtiff library home page:
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<b>http://www.simplesystems.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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