<!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: PointBuilder.h Source File</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><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>PointBuilder.h</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**********************************************************************</span> <a name="l00002"></a>00002 <span class="comment"> * $Id: PointBuilder.h 2757 2009-12-01 15:39:41Z mloskot $</span> <a name="l00003"></a>00003 <span class="comment"> *</span> <a name="l00004"></a>00004 <span class="comment"> * GEOS - Geometry Engine Open Source</span> <a name="l00005"></a>00005 <span class="comment"> * http://geos.refractions.net</span> <a name="l00006"></a>00006 <span class="comment"> *</span> <a name="l00007"></a>00007 <span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span> <a name="l00008"></a>00008 <span class="comment"> *</span> <a name="l00009"></a>00009 <span class="comment"> * This is free software; you can redistribute and/or modify it under</span> <a name="l00010"></a>00010 <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span> <a name="l00011"></a>00011 <span class="comment"> * by the Free Software Foundation. </span> <a name="l00012"></a>00012 <span class="comment"> * See the COPYING file for more information.</span> <a name="l00013"></a>00013 <span class="comment"> *</span> <a name="l00014"></a>00014 <span class="comment"> ***********************************************************************</span> <a name="l00015"></a>00015 <span class="comment"> *</span> <a name="l00016"></a>00016 <span class="comment"> * Last port: operation/overlay/PointBuilder.java rev. 1.16 (JTS-1.10)</span> <a name="l00017"></a>00017 <span class="comment"> *</span> <a name="l00018"></a>00018 <span class="comment"> **********************************************************************/</span> <a name="l00019"></a>00019 <a name="l00020"></a>00020 <span class="preprocessor">#ifndef GEOS_OP_OVERLAY_POINTBUILDER_H</span> <a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_OVERLAY_POINTBUILDER_H</span> <a name="l00022"></a>00022 <span class="preprocessor"></span> <a name="l00023"></a>00023 <span class="preprocessor">#include <geos/export.h></span> <a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="preprocessor">#include <geos/geom/GeometryFactory.h></span> <span class="comment">// for inlines</span> <a name="l00026"></a>00026 <span class="preprocessor">#include <geos/operation/overlay/OverlayOp.h></span> <span class="comment">// for OpCode enum</span> <a name="l00027"></a>00027 <span class="preprocessor">#include <geos/util.h></span> <a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="preprocessor">#include <vector></span> <a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">// Forward declarations</span> <a name="l00032"></a>00032 <span class="keyword">namespace </span>geos { <a name="l00033"></a>00033 <span class="keyword">namespace </span>geom { <a name="l00034"></a>00034 <span class="keyword">class </span>GeometryFactory; <a name="l00035"></a>00035 <span class="keyword">class </span>Point; <a name="l00036"></a>00036 } <a name="l00037"></a>00037 <span class="keyword">namespace </span>geomgraph { <a name="l00038"></a>00038 <span class="keyword">class </span>Node; <a name="l00039"></a>00039 } <a name="l00040"></a>00040 <span class="keyword">namespace </span>algorithm { <a name="l00041"></a>00041 <span class="keyword">class </span>PointLocator; <a name="l00042"></a>00042 } <a name="l00043"></a>00043 <span class="keyword">namespace </span>operation { <a name="l00044"></a>00044 <span class="keyword">namespace </span>overlay { <a name="l00045"></a>00045 <span class="keyword">class </span>OverlayOp; <a name="l00046"></a>00046 } <a name="l00047"></a>00047 } <a name="l00048"></a>00048 } <a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="keyword">namespace </span>geos { <a name="l00051"></a>00051 <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span> <a name="l00052"></a>00052 <span class="keyword">namespace </span>overlay { <span class="comment">// geos::operation::overlay</span> <a name="l00053"></a>00053 <a name="l00057"></a><a class="code" href="classgeos_1_1operation_1_1overlay_1_1PointBuilder.html">00057</a> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1overlay_1_1PointBuilder.html" title="Constructs geom::Point s from the nodes of an overlay graph.">PointBuilder</a> { <a name="l00058"></a>00058 <span class="keyword">private</span>: <a name="l00059"></a>00059 <a name="l00060"></a>00060 <a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html" title="Computes the overlay of two Geometry.">OverlayOp</a> *op; <a name="l00061"></a>00061 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html" title="Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...">geom::GeometryFactory</a> *geometryFactory; <a name="l00062"></a>00062 <span class="keywordtype">void</span> extractNonCoveredResultNodes(<a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131" title="The spatial functions supported by this class.">OverlayOp::OpCode</a> opCode); <a name="l00063"></a>00063 <a name="l00064"></a>00064 <span class="comment">/*</span> <a name="l00065"></a>00065 <span class="comment"> * Converts non-covered nodes to Point objects and adds them to</span> <a name="l00066"></a>00066 <span class="comment"> * the result.</span> <a name="l00067"></a>00067 <span class="comment"> *</span> <a name="l00068"></a>00068 <span class="comment"> * A node is covered if it is contained in another element Geometry</span> <a name="l00069"></a>00069 <span class="comment"> * with higher dimension (e.g. a node point might be contained in</span> <a name="l00070"></a>00070 <span class="comment"> * a polygon, in which case the point can be eliminated from</span> <a name="l00071"></a>00071 <span class="comment"> * the result).</span> <a name="l00072"></a>00072 <span class="comment"> *</span> <a name="l00073"></a>00073 <span class="comment"> * @param n the node to test</span> <a name="l00074"></a>00074 <span class="comment"> */</span> <a name="l00075"></a>00075 <span class="keywordtype">void</span> filterCoveredNodeToPoint(<span class="keyword">const</span> geomgraph::Node *); <a name="l00076"></a>00076 <a name="l00080"></a>00080 std::vector<geom::Point*> *resultPointList; <a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="keyword">public</span>: <a name="l00083"></a>00083 <a name="l00084"></a>00084 <a class="code" href="classgeos_1_1operation_1_1overlay_1_1PointBuilder.html" title="Constructs geom::Point s from the nodes of an overlay graph.">PointBuilder</a>(<a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html" title="Computes the overlay of two Geometry.">OverlayOp</a> *newOp, <a name="l00085"></a>00085 <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1GeometryFactory.html" title="Supplies a set of utility methods for building Geometry objects from CoordinateSequence or other Geom...">geom::GeometryFactory</a> *newGeometryFactory, <a name="l00086"></a>00086 <a class="code" href="classgeos_1_1algorithm_1_1PointLocator.html" title="Computes the topological relationship (Location) of a single point to a Geometry.">algorithm::PointLocator</a> *newPtLocator=NULL) <a name="l00087"></a>00087 : <a name="l00088"></a>00088 op(newOp), <a name="l00089"></a>00089 geometryFactory(newGeometryFactory), <a name="l00090"></a>00090 resultPointList(<span class="keyword">new</span> std::vector<geom::Point *>()) <a name="l00091"></a>00091 { <a name="l00092"></a>00092 ::geos::ignore_unused_variable_warning(newPtLocator); <a name="l00093"></a>00093 } <a name="l00094"></a>00094 <a name="l00099"></a>00099 std::vector<geom::Point*>* build(<a class="code" href="classgeos_1_1operation_1_1overlay_1_1OverlayOp.html#a1f2552b975ce852f0b192dc00997b131" title="The spatial functions supported by this class.">OverlayOp::OpCode</a> opCode); <a name="l00100"></a>00100 }; <a name="l00101"></a>00101 <a name="l00102"></a>00102 <a name="l00103"></a>00103 } <span class="comment">// namespace geos::operation::overlay</span> <a name="l00104"></a>00104 } <span class="comment">// namespace geos::operation</span> <a name="l00105"></a>00105 } <span class="comment">// namespace geos</span> <a name="l00106"></a>00106 <a name="l00107"></a>00107 <span class="preprocessor">#endif // ndef GEOS_OP_OVERLAY_POINTBUILDER_H</span> <a name="l00108"></a>00108 <span class="preprocessor"></span> <a name="l00109"></a>00109 <span class="comment">/**********************************************************************</span> <a name="l00110"></a>00110 <span class="comment"> * $Log$</span> <a name="l00111"></a>00111 <span class="comment"> * Revision 1.2 2006/06/05 15:36:34 strk</span> <a name="l00112"></a>00112 <span class="comment"> * Given OverlayOp funx code enum a name and renamed values to have a lowercase prefix. Drop all of noding headers from installed header set.</span> <a name="l00113"></a>00113 <span class="comment"> *</span> <a name="l00114"></a>00114 <span class="comment"> * Revision 1.1 2006/03/17 13:24:59 strk</span> <a name="l00115"></a>00115 <span class="comment"> * opOverlay.h header splitted. Reduced header inclusions in operation/overlay implementation files. ElevationMatrixFilter code moved from own file to ElevationMatrix.cpp (ideally a class-private).</span> <a name="l00116"></a>00116 <span class="comment"> *</span> <a name="l00117"></a>00117 <span class="comment"> **********************************************************************/</span> <a name="l00118"></a>00118 </pre></div></div> </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>