<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GEOS: geos::algorithm::locate::SimplePointInAreaLocator Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul> </div> <div class="navpath"> <ul> <li><a class="el" href="namespacegeos.html">geos</a> </li> <li><a class="el" href="namespacegeos_1_1algorithm.html">algorithm</a> </li> <li><a class="el" href="namespacegeos_1_1algorithm_1_1locate.html">locate</a> </li> <li><a class="el" href="classgeos_1_1algorithm_1_1locate_1_1SimplePointInAreaLocator.html">geos::algorithm::locate::SimplePointInAreaLocator</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pub-static-methods">Static Public Member Functions</a> </div> <div class="headertitle"> <h1>geos::algorithm::locate::SimplePointInAreaLocator Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="geos::algorithm::locate::SimplePointInAreaLocator" --><!-- doxytag: inherits="geos::algorithm::locate::PointOnGeometryLocator" --> <p>Computes the location of points relative to an areal <a class="el" href="">Geometry</a>, using a simple O(n) algorithm. <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="SimplePointInAreaLocator_8h_source.html">SimplePointInAreaLocator.h</a>></code></p> <div class="dynheader"> Inheritance diagram for geos::algorithm::locate::SimplePointInAreaLocator:</div> <div class="dyncontent"> <div class="center"> <img src="classgeos_1_1algorithm_1_1locate_1_1SimplePointInAreaLocator.png" usemap="#geos::algorithm::locate::SimplePointInAreaLocator_map" alt=""/> <map id="geos::algorithm::locate::SimplePointInAreaLocator_map" name="geos::algorithm::locate::SimplePointInAreaLocator_map"> <area href="classgeos_1_1algorithm_1_1locate_1_1PointOnGeometryLocator.html" alt="geos::algorithm::locate::PointOnGeometryLocator" shape="rect" coords="0,0,288,24"/> </map> </div> <p><a href="classgeos_1_1algorithm_1_1locate_1_1SimplePointInAreaLocator-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acf5f485088a9637daf2ebe8b277e74be"></a><!-- doxytag: member="geos::algorithm::locate::SimplePointInAreaLocator::SimplePointInAreaLocator" ref="acf5f485088a9637daf2ebe8b277e74be" args="(const geom::Geometry *g)" --> </td><td class="memItemRight" valign="bottom"><b>SimplePointInAreaLocator</b> (const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *g)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1algorithm_1_1locate_1_1SimplePointInAreaLocator.html#adc3693ccf934bd154746e82a81671e8b">locate</a> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> *p)</td></tr> <tr><td colspan="2"><h2><a name="pub-static-methods"></a> Static Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab84f8f6a6909526baeb5f0b587dc0034"></a><!-- doxytag: member="geos::algorithm::locate::SimplePointInAreaLocator::locate" ref="ab84f8f6a6909526baeb5f0b587dc0034" args="(const geom::Coordinate &p, const geom::Geometry *geom)" --> static int </td><td class="memItemRight" valign="bottom"><b>locate</b> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, const <a class="el" href="classgeos_1_1geom_1_1Geometry.html">geom::Geometry</a> *geom)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7ddec5d718ad6ae1e81be7bbe811b820"></a><!-- doxytag: member="geos::algorithm::locate::SimplePointInAreaLocator::containsPointInPolygon" ref="a7ddec5d718ad6ae1e81be7bbe811b820" args="(const geom::Coordinate &p, const geom::Polygon *poly)" --> static bool </td><td class="memItemRight" valign="bottom"><b>containsPointInPolygon</b> (const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> &p, const <a class="el" href="classgeos_1_1geom_1_1Polygon.html">geom::Polygon</a> *poly)</td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p>Computes the location of points relative to an areal <a class="el" href="">Geometry</a>, using a simple O(n) algorithm. </p> <p>This algorithm is suitable for use in cases where only one or a few points will be tested against a given area.</p> <p>The algorithm used is only guaranteed to return correct results for points which are <b>not</b> on the boundary of the Geometry.</p> <dl class="version"><dt><b>Version:</b></dt><dd>1.7 </dd></dl> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="adc3693ccf934bd154746e82a81671e8b"></a><!-- doxytag: member="geos::algorithm::locate::SimplePointInAreaLocator::locate" ref="adc3693ccf934bd154746e82a81671e8b" args="(const geom::Coordinate *p)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int geos::algorithm::locate::SimplePointInAreaLocator::locate </td> <td>(</td> <td class="paramtype">const <a class="el" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> * </td> <td class="paramname"> <em>p</em></td> <td> ) </td> <td><code> [inline, virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Determines the <a class="el" href="">Location</a> of a point in an areal <a class="el" href="">Geometry</a>.</p> <dl><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>p</em> </td><td>the point to test </td></tr> </table> </dd> </dl> <dl class="return"><dt><b>Returns:</b></dt><dd>the location of the point in the geometry </dd></dl> <p>Implements <a class="el" href="classgeos_1_1algorithm_1_1locate_1_1PointOnGeometryLocator.html#a7718314a6577970cd29a1725f10df199">geos::algorithm::locate::PointOnGeometryLocator</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="SimplePointInAreaLocator_8h_source.html">SimplePointInAreaLocator.h</a></li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Thu Jul 22 2010 for GEOS by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address> </body> </html>