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<!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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>GEOS: EdgeEnd.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GEOS  <span id="projectnumber">3.5.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 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class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**********************************************************************</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * GEOS - Geometry Engine Open Source</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * http://geos.osgeo.org</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Copyright (C) 2011 Sandro Santilli <strk@keybit.net></span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (C) 2005-2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (C) 2001-2002 Vivid Solutions Inc.</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * See the COPYING file for more information.</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> **********************************************************************</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Last port: geomgraph/EdgeEnd.java r428 (JTS-1.12+)</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifndef GEOS_GEOMGRAPH_EDGEEND_H</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_GEOMGRAPH_EDGEEND_H</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for p0,p1</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <geos/geomgraph/Label.h></span> <span class="comment">// for composition</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <geos/inline.h></span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <string></span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">class </span>BoundaryNodeRule;</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">namespace </span>geomgraph {</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">class </span>Edge;</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>Node;</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  }</div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> }</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">namespace </span>geomgraph { <span class="comment">// geos.geomgraph</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> <div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classgeos_1_1geomgraph_1_1EdgeEnd.html"> 56</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a> {</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">friend</span> std::ostream& operator<< (std::ostream&, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>&);</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>();</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">virtual</span> ~<a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>() {}</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>(<a class="code" href="classgeos_1_1geomgraph_1_1Edge.html">Edge</a>* newEdge, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newP0,</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newP1,</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1Label.html">Label</a>& newLabel);</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>(<a class="code" href="classgeos_1_1geomgraph_1_1Edge.html">Edge</a>* newEdge, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newP0,</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newP1);</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="classgeos_1_1geomgraph_1_1Edge.html">Edge</a>* getEdge() { <span class="keywordflow">return</span> edge; }</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">//virtual Edge* getEdge() { return edge; }</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classgeos_1_1geomgraph_1_1Label.html">Label</a>& getLabel() { <span class="keywordflow">return</span> label; }</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1Label.html">Label</a>& getLabel()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> label; }</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">virtual</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& getCoordinate();</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">virtual</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& getDirectedCoordinate();</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> getQuadrant();</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> getDx();</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> getDy();</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> setNode(<a class="code" href="classgeos_1_1geomgraph_1_1Node.html">Node</a>* newNode);</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">virtual</span> <a class="code" href="classgeos_1_1geomgraph_1_1Node.html">Node</a>* getNode();</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> compareTo(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a> *e) <span class="keyword">const</span>;</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> compareDirection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a> *e) <span class="keyword">const</span>;</div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> computeLabel(<span class="keyword">const</span> <a class="code" href="classgeos_1_1algorithm_1_1BoundaryNodeRule.html">algorithm::BoundaryNodeRule</a>& bnr);</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> std::string print();</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="keyword">protected</span>:</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classgeos_1_1geomgraph_1_1Edge.html">Edge</a>* edge;<span class="comment">// the parent edge of this edge end</span></div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="classgeos_1_1geomgraph_1_1Label.html">Label</a> label;</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>(<a class="code" href="classgeos_1_1geomgraph_1_1Edge.html">Edge</a>* newEdge);</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> init(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newP0,</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& newP1);</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="classgeos_1_1geomgraph_1_1Node.html">Node</a>* node; </div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> p0, p1; </div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordtype">double</span> dx, dy; </div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">int</span> quadrant;</div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> };</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> std::ostream& operator<< (std::ostream&, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a>&);</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="keyword">struct </span>GEOS_DLL EdgeEndLT {</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a> *s1, <span class="keyword">const</span> <a class="code" href="classgeos_1_1geomgraph_1_1EdgeEnd.html">EdgeEnd</a> *s2)<span class="keyword"> const </span>{</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">return</span> s1->compareTo(s2)<0;</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> };</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> } <span class="comment">// namespace geos.geomgraph</span></div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">//#ifdef GEOS_INLINE</span></div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment">//# include "geos/geomgraph/EdgeEnd.inl"</span></div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment">//#endif</span></div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor">#endif // ifndef GEOS_GEOMGRAPH_EDGEEND_H</span></div> <div class="ttc" id="classgeos_1_1geom_1_1Coordinate_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Coordinate.html">geos::geom::Coordinate</a></div><div class="ttdoc">Coordinate is the lightweight class used to store coordinates. </div><div class="ttdef"><b>Definition:</b> Coordinate.h:60</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1EdgeEnd_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1EdgeEnd.html">geos::geomgraph::EdgeEnd</a></div><div class="ttdoc">Models the end of an edge incident on a node. </div><div class="ttdef"><b>Definition:</b> EdgeEnd.h:56</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1BoundaryNodeRule_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1BoundaryNodeRule.html">geos::algorithm::BoundaryNodeRule</a></div><div class="ttdef"><b>Definition:</b> BoundaryNodeRule.h:50</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1Label_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1Label.html">geos::geomgraph::Label</a></div><div class="ttdoc">A Label indicates the topological relationship of a component of a topology graph to a given Geometry...</div><div class="ttdef"><b>Definition:</b> Label.h:57</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1Node_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1Node.html">geos::geomgraph::Node</a></div><div class="ttdef"><b>Definition:</b> geomgraph/Node.h:62</div></div> <div class="ttc" id="classgeos_1_1geomgraph_1_1Edge_html"><div class="ttname"><a href="classgeos_1_1geomgraph_1_1Edge.html">geos::geomgraph::Edge</a></div><div class="ttdef"><b>Definition:</b> geomgraph/Edge.h:66</div></div> </div><!-- fragment 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