src/tiff/html/man/ppm2tiff.1.html

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   7 <title>PPM2TIFF</title>
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  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
  29 files</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>
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  52 <p><i>ppm2tiff</i> converts a file in the <small>PPM,
  53 PGM</small> and <small>PBM</small> image formats to
  54 <small>TIFF.</small> By default, the <small>TIFF</small>
  55 image is created with data samples packed
  56 (<i>PlanarConfiguration</i>=1), compressed with the Packbits
  57 algorithm (<i>Compression</i>=32773), and with each strip no
  58 more than 8 kilobytes. These characteristics can be
  59 overridden, or explicitly specified with the options
  60 described below</p>
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  62 <p>If the <small>PPM</small> file contains greyscale data,
  63 then the <i>PhotometricInterpretation</i> tag is set to 1
  64 (min-is-black), otherwise it is set to 2 (RGB).</p>
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  66 <p>If no <small>PPM</small> file is specified on the command
  67 line, <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 -->
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  78
  79 <p><b>&minus;c</b></p>
  80 </td>
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  83
  84 <p>Specify a compression scheme to use when writing image
  85 data: <b>none</b> for no compression, <b>packbits</b> for
  86 PackBits compression (will be used by default), <b>lzw</b>
  87 for Lempel-Ziv &amp; Welch compression, <b>jpeg</b> for
  88 baseline JPEG compression, <b>zip</b> for Deflate
  89 compression, <b>g3</b> for CCITT Group 3 (T.4) compression,
  90 and <b>g4</b> for CCITT Group 4 (T.6) compression.</p>
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  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
 104 default the number of rows/strip is selected so that each
 105 strip is approximately 8 kilobytes.</p>
 106 </td>
 107 <td width="0%">
 108 </td>
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 110 <td width="10%"></td>
 111 <td width="3%">
 112
 113 <p><b>&minus;R</b></p>
 114 </td>
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 116 <td width="80%">
 117
 118 <p>Mark the resultant image to have the specified X and Y
 119 resolution (in dots/inch).</p>
 120 </td>
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 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>
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