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<div class="header"> <div class="headertitle"> <div class="title">SegmentIntersectionTester.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) 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) 2006 Refractions Research Inc.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * This is free software; you can redistribute and/or modify it under</span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * the terms of the GNU Lesser General Public Licence as published</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * by the Free Software Foundation. </span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * See the COPYING file for more information.</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"> *</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Last port: operation/predicate/SegmentIntersectionTester.java r378 (JTS-1.12)</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> <span class="comment"> **********************************************************************/</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#ifndef GEOS_OP_PREDICATE_SEGMENTINTERSECTIONTESTER_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_OP_PREDICATE_SEGMENTINTERSECTIONTESTER_H</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <geos/export.h></span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/algorithm/LineIntersector.h></span> <span class="comment">// for composition</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 composition</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="comment">// Forward declarations</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">class </span>LineString;</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">class </span>CoordinateSequence;</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  }</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> }</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>operation { <span class="comment">// geos::operation</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>predicate { <span class="comment">// geos::operation::predicate</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> <div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html"> 48</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html">SegmentIntersectionTester</a> {</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classgeos_1_1algorithm_1_1LineIntersector.html">algorithm::LineIntersector</a> li; <span class="comment">// Robust</span></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="keywordtype">bool</span> hasIntersectionVar;</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>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> pt10;</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> pt11;</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> pt00;</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a> pt01;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <a class="code" href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html">SegmentIntersectionTester</a>(): hasIntersectionVar(<span class="keyword">false</span>) {}</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>  <span class="keywordtype">bool</span> hasIntersectionWithLineStrings(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &line,</div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">const</span> std::vector<const geom::LineString *>& lines);</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">bool</span> hasIntersection(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &line,</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_1LineString.html">geom::LineString</a> &testLine);</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">bool</span> hasIntersectionWithEnvelopeFilter(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &line,</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1LineString.html">geom::LineString</a> &testLine);</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> </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> </div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> } <span class="comment">// namespace geos::operation::predicate</span></div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> } <span class="comment">// namespace geos::operation</span></div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> } <span class="comment">// namespace geos</span></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> <span class="preprocessor">#endif // ifndef GEOS_OP_PREDICATE_SEGMENTINTERSECTIONTESTER_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_1geom_1_1LineString_html"><div class="ttname"><a href="classgeos_1_1geom_1_1LineString.html">geos::geom::LineString</a></div><div class="ttdef"><b>Definition:</b> LineString.h:70</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_1operation_1_1predicate_1_1SegmentIntersectionTester_html"><div class="ttname"><a href="classgeos_1_1operation_1_1predicate_1_1SegmentIntersectionTester.html">geos::operation::predicate::SegmentIntersectionTester</a></div><div class="ttdoc">Tests if any line segments in two sets of CoordinateSequences intersect. </div><div class="ttdef"><b>Definition:</b> SegmentIntersectionTester.h:48</div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address 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