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<p>Computes the topological relationship (Location) of a single point to a Geometry.
<a href="classgeos_1_1algorithm_1_1PointLocator.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>&gt;</code></p>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a53e356dc338f66ac4a36d6122bd81267"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html#a53e356dc338f66ac4a36d6122bd81267">PointLocator</a> ()</td></tr>
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<tr class="memitem:a3a0b5771d459e7eddef6e6a7492c11e3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html#a3a0b5771d459e7eddef6e6a7492c11e3">locate</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *geom)</td></tr>
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Private Member Functions</h2></td></tr>
<tr class="memitem:a1b64c364c52cffda873ecdaa128d0234"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html#a1b64c364c52cffda873ecdaa128d0234">computeLocation</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;p, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *geom)</td></tr>
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<tr class="memitem:a4cd4986edd8b9de4aa29b0d561fb8f2f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html#a4cd4986edd8b9de4aa29b0d561fb8f2f">updateLocationInfo</a> (<a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> loc)</td></tr>
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Private Attributes</h2></td></tr>
<tr class="memitem:a9ca5438c5775feee2accc1eb0104ec62"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html#a9ca5438c5775feee2accc1eb0104ec62">isIn</a></td></tr>
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<tr class="memitem:a68d85cb4241ceacc55bb0a036952f352"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1PointLocator.html#a68d85cb4241ceacc55bb0a036952f352">numBoundaries</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Computes the topological relationship (Location) of a single point to a Geometry. </p>
<p>The algorithm obeys the SFS boundaryDetermination rule to correctly determine whether the point lies on the boundary or not.</p>
<p>Notes:</p><ul>
<li>instances of this class are not reentrant.</li>
<li>LinearRing objects do not enclose any area (points inside the ring are still in the EXTERIOR of the ring.) </li>
</ul>
<p>Definition at line <a class="el" href="PointLocator_8h_source.html#l00057">57</a> of file <a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
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<p>Definition at line <a class="el" href="PointLocator_8h_source.html#l00059">59</a> of file <a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>.</p>
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<p>Definition at line <a class="el" href="PointLocator_8h_source.html#l00060">60</a> of file <a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void geos::algorithm::PointLocator::computeLocation </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &amp;&#160;</td>
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<p>Convenience method to test a point for intersection with a Geometry</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">p</td><td>the coordinate to test </td></tr>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> if the point is in the interior or boundary of the Geometry </dd></dl>
<p>Definition at line <a class="el" href="PointLocator_8h_source.html#l00081">81</a> of file <a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>.</p>
<p>References <a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8a275ff52c0d43ea11e057b037be21d30e">geos::geom::EXTERIOR</a>.</p>
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<td class="memname"><a class="el" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> geos::algorithm::PointLocator::locate </td>
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<p>Computes the topological relationship (Location) of a single point to a Geometry. It handles both single-element and multi-element Geometries. The algorithm for multi-part Geometriestakes into account the SFS Boundary Determination rule.</p>
<dl class="section return"><dt>Returns</dt><dd>the Location of the point relative to the input Geometry </dd></dl>
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<td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1LinearRing.html">geom::LinearRing</a> *&#160;</td>
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<td class="memname">void geos::algorithm::PointLocator::updateLocationInfo </td>
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<td class="paramname"><em>loc</em></td><td>)</td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">bool geos::algorithm::PointLocator::isIn</td>
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<p>Definition at line <a class="el" href="PointLocator_8h_source.html#l00088">88</a> of file <a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>.</p>
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<td class="memname">int geos::algorithm::PointLocator::numBoundaries</td>
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<p>Definition at line <a class="el" href="PointLocator_8h_source.html#l00090">90</a> of file <a class="el" href="PointLocator_8h_source.html">PointLocator.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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