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<!-- CreationDate: Mon Mar 13 18:03:09 2006 -->
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<title>TIFFReadRawTile</title>
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<h1 align=center>TIFFReadRawTile</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="#RETURN VALUES">RETURN VALUES</a><br>
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<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
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<a href="#SEE ALSO">SEE ALSO</a><br>
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<a name="NAME"></a>
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<h2>NAME</h2>
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<p>TIFFReadRawTile − return an undecoded tile of data
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from an open <small>TIFF</small> file</p>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<p><b>#include <tiffio.h></b></p>
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<p><b>tsize_t TIFFReadRawTile(TIFF *</b><i>tif</i><b>,
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ttile_t</b> <i>tile</i><b>, tdata_t</b> <i>buf</i><b>,
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tsize_t</b> <i>size</i><b>)</b></p>
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</td>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<td width="8%"></td>
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<p>Read the contents of the specified tile into the (user
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supplied) data buffer. Note that the value of <i>tile</i> is
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a ‘‘raw tile number.’’ That is, the
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caller must take into account whether or not the data is
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organized in separate planes (<i>PlanarConfiguration</i>=2).
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<i>TIFFComputeTile</i> automatically does this when
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converting an (x,y,z,sample) coordinate quadruple to a tile
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number. To read a full tile of data the data buffer should
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typically be at least as large as the value returned by
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<i>TIFFTileSize</i>.</p>
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</td>
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</table>
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<a name="RETURN VALUES"></a>
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<h2>RETURN VALUES</h2>
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<p>The actual number of bytes of data that were placed in
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<i>buf</i> is returned; <i>TIFFReadEncodedTile</i> returns
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−1 if an error was encountered.</p>
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</td>
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</table>
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<a name="DIAGNOSTICS"></a>
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<h2>DIAGNOSTICS</h2>
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<p>All error messages are directed to the
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<b>TIFFError</b>(3TIFF) routine.</p>
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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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<td width="91%">
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<p><b>TIFFOpen</b>(3TIFF),
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<b>TIFFReadEncodedTile</b>(3TIFF),
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<b>TIFFReadTile</b>(3TIFF), <b>TIFFTileSize</b>(3TIFF),
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<b>libtiff</b>(3TIFF)</p>
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<p>Libtiff library home page:
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<b>http://www.remotesensing.org/libtiff/</b></p>
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</td>
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</table>
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<hr>
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