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class="title">SingleInteriorIntersectionFinder.h</div> </div> </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> </div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifndef GEOS_NODING_SINGLEINTERIORINTERSECTIONFINDER_H</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_SINGLEINTERIORINTERSECTIONFINDER_H</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <geos/noding/SegmentIntersector.h></span> <span class="comment">// for inheritance</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <geos/geom/Coordinate.h></span> <span class="comment">// for composition</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> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">class </span>LineIntersector;</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="keyword">namespace </span>noding {</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">class </span>SegmentString;</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</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> </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>noding { <span class="comment">// geos.noding</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html"> 43</a></span> <span class="keyword">class </span><a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html">SingleInteriorIntersectionFinder</a>: <span class="keyword">public</span> <a class="code" href="classgeos_1_1noding_1_1SegmentIntersector.html">SegmentIntersector</a></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">public</span>:</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div> <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a6845e5980450325bf054ebc7fa80e199"> 54</a></span>  <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a6845e5980450325bf054ebc7fa80e199">SingleInteriorIntersectionFinder</a>(<a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& newLi)</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  :</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  li(newLi),</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  interiorIntersection(geom::Coordinate::getNull())</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</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> </div> <div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#af46577b39de46d28779c2eeb5597c4ed"> 66</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#af46577b39de46d28779c2eeb5597c4ed">hasIntersection</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword"> </span>{ </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> !interiorIntersection.isNull(); </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div> <div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#aeb5c05a21b8a392695fea4e837a9f07f"> 77</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_1SingleInteriorIntersectionFinder.html#aeb5c05a21b8a392695fea4e837a9f07f">getInteriorIntersection</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword"> </span>{ </div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">return</span> interiorIntersection; </div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </div> <div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#ab34a94fb225c7f04bdc2b5692fe9408b"> 87</a></span>  <span class="keyword">const</span> std::vector<geom::Coordinate>& <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#ab34a94fb225c7f04bdc2b5692fe9408b">getIntersectionSegments</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> intSegments;</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>  </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#af819e151c6180d923696c1924d3dbcfa">processIntersections</a>(</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</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="l00103"></a><span class="lineno"> 103</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="l00104"></a><span class="lineno"> 104</span>  </div> <div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a8932c1f2b238c29a2cc1865fe9c56d4f"> 105</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a8932c1f2b238c29a2cc1865fe9c56d4f">isDone</a>()<span class="keyword"> const</span></div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword"> </span>{ </div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> !interiorIntersection.isNull();</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a>& li;</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> interiorIntersection;</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  std::vector<geom::Coordinate> intSegments;</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a6845e5980450325bf054ebc7fa80e199">SingleInteriorIntersectionFinder</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html">SingleInteriorIntersectionFinder</a>& other);</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html">SingleInteriorIntersectionFinder</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html">SingleInteriorIntersectionFinder</a>& rhs);</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> };</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> } <span class="comment">// namespace geos.noding</span></div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> } <span class="comment">// namespace geos</span></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> <span class="preprocessor">#endif // GEOS_NODING_SINGLEINTERIORINTERSECTIONFINDER_H</span></div> <div class="ttc" id="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder_html_af819e151c6180d923696c1924d3dbcfa"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#af819e151c6180d923696c1924d3dbcfa">geos::noding::SingleInteriorIntersectionFinder::processIntersections</a></div><div class="ttdeci">void processIntersections(SegmentString *e0, int segIndex0, SegmentString *e1, int segIndex1)</div><div class="ttdoc">This method is called by clients of the SegmentIntersector class to process intersections for two seg...</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_1SingleInteriorIntersectionFinder_html_a8932c1f2b238c29a2cc1865fe9c56d4f"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a8932c1f2b238c29a2cc1865fe9c56d4f">geos::noding::SingleInteriorIntersectionFinder::isDone</a></div><div class="ttdeci">bool isDone() const </div><div class="ttdoc">Reports whether the client of this class needs to continue testing all intersections in an arrangemen...</div><div class="ttdef"><b>Definition:</b> SingleInteriorIntersectionFinder.h:105</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_1SingleInteriorIntersectionFinder_html_af46577b39de46d28779c2eeb5597c4ed"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#af46577b39de46d28779c2eeb5597c4ed">geos::noding::SingleInteriorIntersectionFinder::hasIntersection</a></div><div class="ttdeci">bool hasIntersection() const </div><div class="ttdoc">Tests whether an intersection was found. </div><div class="ttdef"><b>Definition:</b> SingleInteriorIntersectionFinder.h:66</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_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_1SingleInteriorIntersectionFinder_html_aeb5c05a21b8a392695fea4e837a9f07f"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#aeb5c05a21b8a392695fea4e837a9f07f">geos::noding::SingleInteriorIntersectionFinder::getInteriorIntersection</a></div><div class="ttdeci">const geom::Coordinate & getInteriorIntersection() const </div><div class="ttdoc">Gets the computed location of the intersection. Due to round-off, the location may not be exact...</div><div class="ttdef"><b>Definition:</b> SingleInteriorIntersectionFinder.h:77</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder_html_ab34a94fb225c7f04bdc2b5692fe9408b"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#ab34a94fb225c7f04bdc2b5692fe9408b">geos::noding::SingleInteriorIntersectionFinder::getIntersectionSegments</a></div><div class="ttdeci">const std::vector< geom::Coordinate > & getIntersectionSegments() const </div><div class="ttdoc">Gets the endpoints of the intersecting segments. </div><div class="ttdef"><b>Definition:</b> SingleInteriorIntersectionFinder.h:87</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html">geos::noding::SingleInteriorIntersectionFinder</a></div><div class="ttdoc">Finds an interior intersection in a set of SegmentString, if one exists. Only the first intersection ...</div><div class="ttdef"><b>Definition:</b> SingleInteriorIntersectionFinder.h:43</div></div> <div class="ttc" id="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder_html_a6845e5980450325bf054ebc7fa80e199"><div class="ttname"><a href="classgeos_1_1noding_1_1SingleInteriorIntersectionFinder.html#a6845e5980450325bf054ebc7fa80e199">geos::noding::SingleInteriorIntersectionFinder::SingleInteriorIntersectionFinder</a></div><div class="ttdeci">SingleInteriorIntersectionFinder(algorithm::LineIntersector &newLi)</div><div class="ttdoc">Creates an intersection finder which finds an interior intersection if one exists. </div><div class="ttdef"><b>Definition:</b> SingleInteriorIntersectionFinder.h:54</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>