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<h1 align=center>PPM2TIFF</h1> | |
<a href="#NAME">NAME</a><br> | |
<a href="#SYNOPSIS">SYNOPSIS</a><br> | |
<a href="#DESCRIPTION">DESCRIPTION</a><br> | |
<a href="#OPTIONS">OPTIONS</a><br> | |
<a href="#SEE ALSO">SEE ALSO</a><br> | |
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<a name="NAME"></a> | |
<h2>NAME</h2> | |
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<p>ppm2tiff − create a <small>TIFF</small> file from | |
<small>PPM, PGM</small> and <small>PBM</small> image | |
files</p> | |
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<a name="SYNOPSIS"></a> | |
<h2>SYNOPSIS</h2> | |
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<p><b>ppm2tiff</b> [ <i>options</i> ] [ <i>input.ppm</i> ] | |
<i>output.tif</i></p> | |
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<a name="DESCRIPTION"></a> | |
<h2>DESCRIPTION</h2> | |
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<p><i>ppm2tiff</i> converts a file in the <small>PPM, | |
PGM</small> and <small>PBM</small> image formats to | |
<small>TIFF.</small> By default, the <small>TIFF</small> | |
image is created with data samples packed | |
(<i>PlanarConfiguration</i>=1), compressed with the Packbits | |
algorithm (<i>Compression</i>=32773), and with each strip no | |
more than 8 kilobytes. These characteristics can be | |
overridden, or explicitly specified with the options | |
described below</p> | |
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<p>If the <small>PPM</small> file contains greyscale data, | |
then the <i>PhotometricInterpretation</i> tag is set to 1 | |
(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 | |
line, <i>ppm2tiff</i> will read from the standard input.</p> | |
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<a name="OPTIONS"></a> | |
<h2>OPTIONS</h2> | |
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<p><b>−c</b></p> | |
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<p>Specify a compression scheme to use when writing image | |
data: <b>none</b> for no compression, <b>packbits</b> for | |
PackBits compression (will be used by default), <b>lzw</b> | |
for Lempel-Ziv & Welch compression, <b>jpeg</b> for | |
baseline JPEG compression, <b>zip</b> for Deflate | |
compression, <b>g3</b> for CCITT Group 3 (T.4) compression, | |
and <b>g4</b> for CCITT Group 4 (T.6) compression.</p> | |
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<p><b>−r</b></p> | |
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<p>Write data with a specified number of rows per strip; by | |
default the number of rows/strip is selected so that each | |
strip is approximately 8 kilobytes.</p> | |
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<p><b>−R</b></p> | |
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<p>Mark the resultant image to have the specified X and Y | |
resolution (in dots/inch).</p> | |
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<a name="SEE ALSO"></a> | |
<h2>SEE ALSO</h2> | |
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<p><b>tiffinfo</b>(1), <b>tiffcp</b>(1), | |
<b>tiffmedian</b>(1), <b>libtiff</b>(3)</p> | |
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<p>Libtiff library home page: | |
<b>http://www.remotesensing.org/libtiff/</b></p> | |
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