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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>ENVISAT Product Reader C API: Main Page</title>
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ENVISAT Product Reader API for C
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<h1>Single Pixel Access<br/>
<small>
[<a class="el" href="group__GDA.html">Geopysical Data Access</a>]</small>
</h1><table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="epr__api_8h.html#a91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPA.html#gaf9ae1ef418dee4a0bbcb4330048132d5">epr_get_pixel_as_uint</a> (const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> *raster, int x, int y)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This group of functions is for getting the values of the elements of a raster (i.e. <a href="#gaf9ae1ef418dee4a0bbcb4330048132d5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPA.html#ga31c848346028e114a2a6ead2fe3e59b0">epr_get_pixel_as_int</a> (const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> *raster, int x, int y)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPA.html#gae00765752d4b008f89d577bd343ee06f">epr_get_pixel_as_float</a> (const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> *raster, int x, int y)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPA.html#ga751b9d5263e967949174042f65335fbc">epr_get_pixel_as_double</a> (const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> *raster, int x, int y)</td></tr>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="gaf9ae1ef418dee4a0bbcb4330048132d5"></a><!-- doxytag: member="epr_api.h::epr_get_pixel_as_uint" ref="gaf9ae1ef418dee4a0bbcb4330048132d5" args="(const EPR_SRaster *raster, int x, int y)" -->
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<td class="memname"><a class="el" href="epr__api_8h.html#a91ad9478d81a7aaf2593e8d9c3d06a14">uint</a> epr_get_pixel_as_uint </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> * </td>
<td class="paramname"> <em>raster</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
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<p>This group of functions is for getting the values of the elements of a raster (i.e. </p>
<p>pixel) in a type-safe way. <br/>
</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>raster</em> </td><td>the raster which contains the pixel, must not be <code>NULL</code> </td></tr>
<tr><td valign="top"></td><td valign="top"><em>x</em> </td><td>the (zero-based) X co-ordinate of the pixel </td></tr>
<tr><td valign="top"></td><td valign="top"><em>y</em> </td><td>the (zero-based) Y co-ordinate of the pixel</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>the typed value at the given co-ordinate. </dd></dl>
</div>
</div>
<a class="anchor" id="ga31c848346028e114a2a6ead2fe3e59b0"></a><!-- doxytag: member="epr_api.h::epr_get_pixel_as_int" ref="ga31c848346028e114a2a6ead2fe3e59b0" args="(const EPR_SRaster *raster, int x, int y)" -->
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<td class="memname">int epr_get_pixel_as_int </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> * </td>
<td class="paramname"> <em>raster</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
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<a class="anchor" id="gae00765752d4b008f89d577bd343ee06f"></a><!-- doxytag: member="epr_api.h::epr_get_pixel_as_float" ref="gae00765752d4b008f89d577bd343ee06f" args="(const EPR_SRaster *raster, int x, int y)" -->
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<td class="memname">float epr_get_pixel_as_float </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> * </td>
<td class="paramname"> <em>raster</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
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<td>)</td>
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<a class="anchor" id="ga751b9d5263e967949174042f65335fbc"></a><!-- doxytag: member="epr_api.h::epr_get_pixel_as_double" ref="ga751b9d5263e967949174042f65335fbc" args="(const EPR_SRaster *raster, int x, int y)" -->
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<td class="memname">double epr_get_pixel_as_double </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structEPR__Raster.html">EPR_SRaster</a> * </td>
<td class="paramname"> <em>raster</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>x</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>y</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
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<div class="memdoc">
</div>
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<address>
<p>Generated on Mon Aug 2 15:24:00 2010
<p>ENVISAT Product Reader C API
<p>Written by
<a href="mailto:info@brockmann-consult.de">Brockmann Consult</a>,
© 2002
<a href="http://www.brockmann-consult.de/">
<img src="../images/bc_logo.gif" alt="Brockmann Consult" align="bottom" border=0 width=18 height=18>
</a>
<a href="http://envisat.esa.int/">
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