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<!-- Creator : groff version 1.18.1 -->
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<!-- CreationDate: Mon Mar 13 18:03:11 2006 -->
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<html>
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<head>
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta name="Content-Style" content="text/css">
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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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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p>TIFFTileSize, TIFFTileRowSize, TIFFVTileSize,
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TIFFDefaultTileSize, TIFFComputeTile, TIFFCheckTile,
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TIFFNumberOfTiles − tile-related utility routines</p>
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</td>
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</table>
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p><b>#include <tiffio.h></b></p>
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<p><b>void TIFFDefaultTileSize(TIFF *</b><i>tif</i><b>,
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uint32 *</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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</td>
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</table>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p><i>TIFFDefaultTileSize</i> returns the pixel width and
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height of a reasonable-sized tile; suitable for setting up
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the <i>TileWidth</i> and <i>TileLength</i> tags. If the
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<i>tw</i> and <i>th</i> values passed in are non-zero, then
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they are adjusted to reflect any compression-specific
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requirements. The returned width and height are constrained
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to be a multiple of 16 pixels to conform with the
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<small>TIFF</small> specification.</p>
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<p><i>TIFFTileSize</i> returns the equivalent size for a
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tile of data as it would be returned in a call to
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<i>TIFFReadTile</i> or as it would be expected in a call to
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<i>TIFFWriteTile</i>.</p>
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<p><i>TIFFVTileSize</i> returns the number of bytes in a
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row-aligned tile with <i>nrows</i> of data.</p>
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<p><i>TIFFTileRowSize</i> returns the number of bytes of a
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row of data in a tile.</p>
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<p><i>TIFFComputeTile</i> returns the tile that contains the
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specified coordinates. A valid tile is always returned;
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out-of-range coordinate values are clamped to the bounds of
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the image. The <i>x</i> and <i>y</i> parameters are always
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used in calculating a tile. The <i>z</i> parameter is used
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if the image is deeper than 1 slice
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(<i>ImageDepth</i>>1). The <i>sample</i> parameter is
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used only if data are organized in separate planes
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(<i>PlanarConfiguration</i>=2).</p>
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<p><i>TIFFCheckTile</i> returns a non-zero value if the
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supplied coordinates are within the bounds of the image and
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zero otherwise. The <i>x</i> parameter is checked against
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the value of the <i>ImageWidth</i> tag. The <i>y</i>
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parameter is checked against the value of the
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<i>ImageLength</i> tag. The <i>z</i> parameter is checked
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against the value of the <i>ImageDepth</i> tag (if defined).
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The <i>sample</i> parameter is checked against the value of
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the <i>SamplesPerPixel</i> parameter if the data are
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organized in separate planes.</p>
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<p><i>TIFFNumberOfTiles</i> returns the number of tiles in
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the image.</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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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p>None.</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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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="8%"></td>
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<td width="91%">
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<p><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>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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</body>
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</html>
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