2002-10-07 09:47:36 -04:00
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<title>PPM2TIFF</title>
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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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<!-- Creator : groff version 1.18 -->
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<!-- CreationDate: Mon Oct 7 17:36:33 2002 -->
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<a name="NAME"></a>
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<h2>NAME</h2>
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<p><table width="100%" border=0 rules="none" frame="void"
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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 a
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<small>PPM</small> image file</p>
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</td>
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</table></p>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<p><table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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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></p>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</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><i>ppm2tiff</i> converts a file in the <small>PPM</small>
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image format to <small>TIFF.</small> By default, the
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<small>TIFF</small> image is created with data samples
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packed (<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 overriden, or explicitly specified
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with the options 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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<!-- INDENTATION -->
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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></p>
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<a name="OPTIONS"></a>
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<h2>OPTIONS</h2>
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<p><table width="100%" border=0 rules="none" frame="void"
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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 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>−c none</b> for no compression, <b>-c
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packbits</b> for the PackBits compression algorithm, <b>-c
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jpeg</b> for the baseline JPEG compression algorithm, <b>-c
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zip</b> for the Deflate compression algorithm, and
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<b>−c lzw</b> for Lempel-Ziv & Welch compression
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(the default).</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></p>
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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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<p><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>tiffinfo</i>(1), <i>tiffcp</i>(1),
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<i>tiffmedian</i>(1), <i>libtiff</i>(3)</p>
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</td>
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</table></p>
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<hr>
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</body>
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</html>
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