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<li class="navelem"><a class="el" href="namespacegeos.html">geos</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1algorithm.html">algorithm</a></li><li class="navelem"><a class="el" href="classgeos_1_1algorithm_1_1Area.html">Area</a></li> </ul>
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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
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<div class="title">geos::algorithm::Area Class Reference</div> </div>
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<p><code>#include &lt;<a class="el" href="Area_8h_source.html">Area.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:ac6ce49ec2eca1baf96ef1f1d99be88f5"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Area.html#ac6ce49ec2eca1baf96ef1f1d99be88f5">ofRing</a> (const std::vector&lt; <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &gt; &amp;ring)</td></tr>
<tr class="separator:ac6ce49ec2eca1baf96ef1f1d99be88f5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a982ebaf0c9b434a64a398ab6345e7583"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Area.html#a982ebaf0c9b434a64a398ab6345e7583">ofRing</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *ring)</td></tr>
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<tr class="memitem:ad71ca70669d86a6955195c174a15609a"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Area.html#ad71ca70669d86a6955195c174a15609a">ofRingSigned</a> (const std::vector&lt; <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &gt; &amp;ring)</td></tr>
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<tr class="memitem:a6a9bd458837169c7cfedab6bef72cbf6"><td class="memItemLeft" align="right" valign="top">static double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1Area.html#a6a9bd458837169c7cfedab6bef72cbf6">ofRingSigned</a> (const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *ring)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock">
<p>Definition at line <a class="el" href="Area_8h_source.html#l00030">30</a> of file <a class="el" href="Area_8h_source.html">Area.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">static double geos::algorithm::Area::ofRing </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>ring</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the area for a ring.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ring</td><td>the coordinates forming the ring </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the area of the ring </dd></dl>
</div>
</div>
<a class="anchor" id="a982ebaf0c9b434a64a398ab6345e7583"></a>
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<td class="memname">static double geos::algorithm::Area::ofRing </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *&#160;</td>
<td class="paramname"><em>ring</em></td><td>)</td>
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</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the area for a ring.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ring</td><td>the coordinates forming the ring </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the area of the ring </dd></dl>
</div>
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<a class="anchor" id="ad71ca70669d86a6955195c174a15609a"></a>
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<td class="mlabels-left">
<table class="memname">
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<td class="memname">static double geos::algorithm::Area::ofRingSigned </td>
<td>(</td>
<td class="paramtype">const std::vector&lt; <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &gt; &amp;&#160;</td>
<td class="paramname"><em>ring</em></td><td>)</td>
<td></td>
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</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Computes the signed area for a ring. The signed area is positive if the ring is oriented CW, negative if the ring is oriented CCW, and zero if the ring is degenerate or flat.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ring</td><td>the coordinates forming the ring </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the signed area of the ring </dd></dl>
</div>
</div>
<a class="anchor" id="a6a9bd458837169c7cfedab6bef72cbf6"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static double geos::algorithm::Area::ofRingSigned </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a> *&#160;</td>
<td class="paramname"><em>ring</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Computes the signed area for a ring. The signed area is positive if the ring is oriented CW, negative if the ring is oriented CCW, and zero if the ring is degenerate or flat.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ring</td><td>the coordinates forming the ring </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the signed area of the ring </dd></dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="Area_8h_source.html">Area.h</a></li>
</ul>
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