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<title>TIFFTILE</title>
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</head>
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<body>
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<h1 align=center>TIFFTILE</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="#DIAGNOSTICS">DIAGNOSTICS</a><br>
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<a href="#SEE ALSO">SEE ALSO</a><br>
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<hr>
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<a name="NAME"></a>
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<h2>NAME</h2>
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<p style="margin-left:11%; margin-top: 1em">TIFFTileSize,
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TIFFTileRowSize, TIFFVTileSize, TIFFDefaultTileSize,
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TIFFComputeTile, TIFFCheckTile, TIFFNumberOfTiles −
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tile-related utility routines</p>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<p style="margin-left:11%; margin-top: 1em"><b>#include
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<tiffio.h></b></p>
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<p style="margin-left:11%; margin-top: 1em"><b>void
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TIFFDefaultTileSize(TIFF *</b><i>tif</i><b>, uint32
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*</b><i>tw</i><b>, uint32 *</b><i>th</i><b>) <br>
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tsize_t TIFFTileSize(TIFF *</b><i>tif</i><b>) <br>
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tsize_t TIFFTileRowSize(TIFF *</b><i>tif</i><b>) <br>
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tsize_t TIFFVTileSize(TIFF *</b><i>tif</i><b>, uint32</b>
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<i>nrows</i><b>) <br>
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ttile_t TIFFComputeTile(TIFF *</b><i>tif</i><b>, uint32</b>
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<i>x</i><b>, uint32</b> <i>y</i><b>, uint32</b> <i>z</i><b>,
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tsample_t</b> <i>sample</i><b>) <br>
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int TIFFCheckTile(TIFF *</b><i>tif</i><b>, uint32</b>
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<i>x</i><b>, uint32</b> <i>y</i><b>, uint32</b> <i>z</i><b>,
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tsample_t</b> <i>sample</i><b>) <br>
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ttile_t TIFFNumberOfTiles(TIFF *</b><i>tif</i><b>)</b></p>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFDefaultTileSize</i>
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returns the pixel width and height of a reasonable-sized
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tile; suitable for setting up the <i>TileWidth</i> and
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<i>TileLength</i> tags. If the <i>tw</i> and <i>th</i>
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values passed in are non-zero, then they are adjusted to
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reflect any compression-specific requirements. The returned
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width and height are constrained to be a multiple of 16
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pixels to conform with the <small>TIFF</small>
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specification.</p>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFTileSize</i>
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returns the equivalent size for a tile of data as it would
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be returned in a call to <i>TIFFReadTile</i> or as it would
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be expected in a call to <i>TIFFWriteTile</i>.</p>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFVTileSize</i>
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returns the number of bytes in a row-aligned tile with
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<i>nrows</i> of data.</p>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFTileRowSize</i>
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returns the number of bytes of a row of data in a tile.</p>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFComputeTile</i>
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returns the tile that contains the specified coordinates. A
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valid tile is always returned; out-of-range coordinate
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values are clamped to the bounds of the image. The <i>x</i>
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and <i>y</i> parameters are always used in calculating a
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tile. The <i>z</i> parameter is used if the image is deeper
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than 1 slice (<i>ImageDepth</i>>1). The <i>sample</i>
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parameter is used only if data are organized in separate
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planes (<i>PlanarConfiguration</i>=2).</p>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFCheckTile</i>
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returns a non-zero value if the supplied coordinates are
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within the bounds of the image and zero otherwise. The
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<i>x</i> parameter is checked against the value of the
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<i>ImageWidth</i> tag. The <i>y</i> parameter is checked
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against the value of the <i>ImageLength</i> tag. The
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<i>z</i> parameter is checked against the value of the
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<i>ImageDepth</i> tag (if defined). The <i>sample</i>
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parameter is checked against the value of the
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<i>SamplesPerPixel</i> parameter if the data are organized
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in separate planes.</p>
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<p style="margin-left:11%; margin-top: 1em"><i>TIFFNumberOfTiles</i>
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returns the number of tiles in the image.</p>
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<a name="DIAGNOSTICS"></a>
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<h2>DIAGNOSTICS</h2>
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<p style="margin-left:11%; margin-top: 1em">None.</p>
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<a name="SEE ALSO"></a>
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<h2>SEE ALSO</h2>
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<p style="margin-left:11%; margin-top: 1em"><b>TIFFReadEncodedTile</b>(3TIFF),
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<b>TIFFReadRawTile</b>(3TIFF), <b>TIFFReadTile</b>(3TIFF),
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<b>TIFFWriteEncodedTile</b>(3TIFF),
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<b>TIFFWriteRawTile</b>(3TIFF), <b>TIFFWriteTile</b>(3TIFF),
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<b>libtiff</b>(3TIFF)</p>
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<p style="margin-left:11%; margin-top: 1em">Libtiff library
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home page: <b>http://www.remotesensing.org/libtiff/</b></p>
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<hr>
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</body>
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</html>
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