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<!-- Creator : groff version 1.18.1 -->
<!-- CreationDate: Fri Jul 13 17:43:19 2007 -->
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<title>TIFFCMP</title>
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<body>
<h1 align=center>TIFFCMP</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="#BUGS">BUGS</a><br>
<a href="#SEE ALSO">SEE ALSO</a><br>
<hr>
<a name="NAME"></a>
<h2>NAME</h2>
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<p>tiffcmp − compare two <small>TIFF</small> files</p>
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<a name="SYNOPSIS"></a>
<h2>SYNOPSIS</h2>
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<p><b>tiffcmp</b> [ <i>options</i> ] <i>file1.tif
file2.tif</i></p>
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<a name="DESCRIPTION"></a>
<h2>DESCRIPTION</h2>
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<p><i>Tiffcmp</i> compares the tags and data in two files
created according to the Tagged Image File Format, Revision
6.0. The schemes used for compressing data in each file are
immaterial when data are compared−data are compared on
a scanline-by-scanline basis after decompression. Most
directory tags are checked; notable exceptions are:
<i>GrayResponseCurve</i>, <i>ColorResponseCurve</i>, and
<i>ColorMap</i> tags. Data will not be compared if any of
the <i>BitsPerSample</i>, <i>SamplesPerPixel</i>, or
<i>ImageWidth</i> values are not equal. By default,
<i>tiffcmp</i> will terminate if it encounters any
difference.</p>
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<a name="OPTIONS"></a>
<h2>OPTIONS</h2>
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<p><b>−l</b></p>
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<p>List each byte of image data that differs between the
files.</p>
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</td>
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<p><b>−z</b> <i>number</i></p></td>
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<p>List specified number of image data bytes that differs
between the files.</p>
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<p><b>−t</b></p>
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<p>Ignore any differences in directory tags.</p>
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<a name="BUGS"></a>
<h2>BUGS</h2>
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<p>Tags that are not recognized by the library are not
compared; they may also generate spurious diagnostics.</p>
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<p>The image data of tiled files is not compared, since the
<i>TIFFReadScanline()</i> function is used. An error will be
reported for tiled files.</p>
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<p>The pixel and/or sample number reported in differences
may be off in some exotic cases.</p>
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<a name="SEE ALSO"></a>
<h2>SEE ALSO</h2>
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<p><b>pal2rgb</b>(1), <b>tiffcp</b>(1),
<b>tiffmedian</b>(1), <b>libtiff</b>(3TIFF)</p>
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<p>Libtiff library home page:
<b>http://www.remotesensing.org/libtiff/</b></p>
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