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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: IntersectionAdder.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 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</div><!--header--> <div 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) 2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * See the COPYING file for more information.</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> **********************************************************************</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"> * Last port: noding/IntersectionAdder.java rev. 1.6 (JTS-1.9)</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"> **********************************************************************/</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef GEOS_NODING_INTERSECTIONADDER_H</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_INTERSECTIONADDER_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <iostream></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <cstdlib></span> <span class="comment">// for abs()</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</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 <geos/geom/Coordinate.h></span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <geos/noding/SegmentIntersector.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">namespace </span>noding {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>SegmentString;</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>  <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">class </span>LineIntersector;</div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos.noding</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1IntersectionAdder.html"> 58</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">IntersectionAdder</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1noding_1_1SegmentIntersector.html">SegmentIntersector</a> {</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">private</span>:</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">bool</span> hasIntersectionVar;</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">bool</span> hasProper;</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">bool</span> hasProperInterior;</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">bool</span> hasInterior;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="comment">// the proper intersection point found</span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>* properIntersectionPoint;</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& li;</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">bool</span> isSelfIntersection;</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">//bool intersectionFound;</span></div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">bool</span> isTrivialIntersection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a>* e0, <span class="keywordtype">int</span> segIndex0,</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a>* e1, <span class="keywordtype">int</span> segIndex1);</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">IntersectionAdder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">IntersectionAdder</a>& other);</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">IntersectionAdder</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">IntersectionAdder</a>& rhs);</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">public</span>:</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="keywordtype">int</span> numIntersections;</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> numInteriorIntersections;</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">int</span> numProperIntersections;</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="comment">// testing only</span></div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">int</span> numTests;</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html">IntersectionAdder</a>(<a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& newLi)</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  :</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  hasIntersectionVar(<span class="keyword">false</span>),</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  hasProper(<span class="keyword">false</span>),</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  hasProperInterior(<span class="keyword">false</span>),</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  hasInterior(<span class="keyword">false</span>),</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  properIntersectionPoint(NULL),</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  li(newLi),</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  numIntersections(0),</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  numInteriorIntersections(0),</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  numProperIntersections(0),</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  numTests(0)</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {}</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& getLineIntersector() { <span class="keywordflow">return</span> li; }</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> <div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1IntersectionAdder.html#a8343f416e551d07204b681a47bd5a2dc"> 120</a></span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>* <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html#a8343f416e551d07204b681a47bd5a2dc">getProperIntersectionPoint</a>() {</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> properIntersectionPoint;</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">bool</span> hasIntersection() { <span class="keywordflow">return</span> hasIntersectionVar; }</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1IntersectionAdder.html#a97e082438a0ca42ab804b7d061a752d3"> 134</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html#a97e082438a0ca42ab804b7d061a752d3">hasProperIntersection</a>() { <span class="keywordflow">return</span> hasProper; }</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div> <div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1IntersectionAdder.html#a7226f13f231d0a496f0286a42d9e1ea4"> 141</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html#a7226f13f231d0a496f0286a42d9e1ea4">hasProperInteriorIntersection</a>() { <span class="keywordflow">return</span> hasProperInterior; }</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div> <div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1IntersectionAdder.html#a1b2affb36276fc054692f90196204377"> 147</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html#a1b2affb36276fc054692f90196204377">hasInteriorIntersection</a>() { <span class="keywordflow">return</span> hasInterior; }</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">void</span> processIntersections(</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a>* e0, <span class="keywordtype">int</span> segIndex0,</div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a>* e1, <span class="keywordtype">int</span> segIndex1);</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="keyword">static</span> <span class="keywordtype">bool</span> isAdjacentSegments(<span class="keywordtype">int</span> i1, <span class="keywordtype">int</span> i2) {</div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> std::abs(i1 - i2) == 1;</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> </div> <div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1IntersectionAdder.html#aa904563a2e9b0784cdd5b484d4704ac7"> 173</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1noding_1_1IntersectionAdder.html#aa904563a2e9b0784cdd5b484d4704ac7">isDone</a>()<span class="keyword"> const </span>{</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> };</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> } <span class="comment">// namespace geos.noding</span></div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#endif // GEOS_NODING_INTERSECTIONADDER_H</span></div> <div class="ttc" id="classgeos_1_1noding_1_1IntersectionAdder_html_a97e082438a0ca42ab804b7d061a752d3"><div class="ttname"><a href="classgeos_1_1noding_1_1IntersectionAdder.html#a97e082438a0ca42ab804b7d061a752d3">geos::noding::IntersectionAdder::hasProperIntersection</a></div><div class="ttdeci">bool hasProperIntersection()</div><div class="ttdef"><b>Definition:</b> IntersectionAdder.h:134</div></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_1noding_1_1SegmentString_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentString.html">geos::noding::SegmentString</a></div><div class="ttdoc">An interface for classes which represent a sequence of contiguous line segments. </div><div class="ttdef"><b>Definition:</b> SegmentString.h:46</div></div> <div class="ttc" id="classgeos_1_1noding_1_1IntersectionAdder_html_a1b2affb36276fc054692f90196204377"><div class="ttname"><a href="classgeos_1_1noding_1_1IntersectionAdder.html#a1b2affb36276fc054692f90196204377">geos::noding::IntersectionAdder::hasInteriorIntersection</a></div><div class="ttdeci">bool hasInteriorIntersection()</div><div class="ttdef"><b>Definition:</b> IntersectionAdder.h:147</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1LineIntersector_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1LineIntersector.html">geos::algorithm::LineIntersector</a></div><div class="ttdoc">A LineIntersector is an algorithm that can both test whether two line segments intersect and compute ...</div><div class="ttdef"><b>Definition:</b> LineIntersector.h:49</div></div> <div class="ttc" id="classgeos_1_1noding_1_1IntersectionAdder_html"><div class="ttname"><a href="classgeos_1_1noding_1_1IntersectionAdder.html">geos::noding::IntersectionAdder</a></div><div class="ttdef"><b>Definition:</b> IntersectionAdder.h:58</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SegmentIntersector_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentIntersector.html">geos::noding::SegmentIntersector</a></div><div class="ttdoc">Processes possible intersections detected by a Noder. </div><div class="ttdef"><b>Definition:</b> noding/SegmentIntersector.h:47</div></div> <div class="ttc" id="classgeos_1_1noding_1_1IntersectionAdder_html_a7226f13f231d0a496f0286a42d9e1ea4"><div class="ttname"><a href="classgeos_1_1noding_1_1IntersectionAdder.html#a7226f13f231d0a496f0286a42d9e1ea4">geos::noding::IntersectionAdder::hasProperInteriorIntersection</a></div><div class="ttdeci">bool hasProperInteriorIntersection()</div><div class="ttdef"><b>Definition:</b> IntersectionAdder.h:141</div></div> <div class="ttc" id="classgeos_1_1noding_1_1IntersectionAdder_html_a8343f416e551d07204b681a47bd5a2dc"><div class="ttname"><a href="classgeos_1_1noding_1_1IntersectionAdder.html#a8343f416e551d07204b681a47bd5a2dc">geos::noding::IntersectionAdder::getProperIntersectionPoint</a></div><div class="ttdeci">const geom::Coordinate * getProperIntersectionPoint()</div><div class="ttdef"><b>Definition:</b> IntersectionAdder.h:120</div></div> <div class="ttc" id="classgeos_1_1noding_1_1IntersectionAdder_html_aa904563a2e9b0784cdd5b484d4704ac7"><div class="ttname"><a href="classgeos_1_1noding_1_1IntersectionAdder.html#aa904563a2e9b0784cdd5b484d4704ac7">geos::noding::IntersectionAdder::isDone</a></div><div class="ttdeci">virtual bool isDone() const </div><div class="ttdef"><b>Definition:</b> IntersectionAdder.h:173</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>