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<a href="RayCrossingCounter_8h.html">Go to the documentation of this file.</a><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"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Last port: algorithm/RayCrossingCounter.java rev. 1.2 (JTS-1.9)</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_ALGORITHM_RAYCROSSINGCOUNTER_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#define GEOS_ALGORITHM_RAYCROSSINGCOUNTER_H</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="preprocessor">#include <<a class="code" href="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <<a class="code" href="Location_8h.html">geos/geom/Location.h</a>></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <vector></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><a class="code" href="namespacegeos.html">geos</a> {</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>Coordinate;</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> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>algorithm {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html"> 65</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html">RayCrossingCounter</a> {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#aee47ec0b55ccb7d247bf1ea7fad2ffcf"> 67</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_1algorithm_1_1RayCrossingCounter.html#aee47ec0b55ccb7d247bf1ea7fad2ffcf">point</a>;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#a887ecdaa3d6d674617003072880a472c"> 69</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#a887ecdaa3d6d674617003072880a472c">crossingCount</a>;</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">// true if the test point lies on an input segment</span></div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#ab359e039d9413dc25b8cc38c375746e9"> 72</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#ab359e039d9413dc25b8cc38c375746e9">isPointOnSegment</a>;</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>  <span class="comment">// Declare type as noncopyable</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html">RayCrossingCounter</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html">RayCrossingCounter</a>& other) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html">RayCrossingCounter</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html">RayCrossingCounter</a>& rhs) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keyword">static</span> <a class="code" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> locatePointInRing(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1CoordinateSequence.html">geom::CoordinateSequence</a>& ring);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">static</span> <a class="code" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> locatePointInRing(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p,</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">const</span> std::vector<const geom::Coordinate*>& ring);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#a3f0c214c00e92e3173ef5efdee0afe67"> 95</a></span>  <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#a3f0c214c00e92e3173ef5efdee0afe67">RayCrossingCounter</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p_point)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  : point(p_point),</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  crossingCount(0),</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  isPointOnSegment(false)</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> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span> countSegment(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p1,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& p2);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#aa1a0b63601c69e817aa262617667a41b"> 120</a></span>  <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#aa1a0b63601c69e817aa262617667a41b">isOnSegment</a>()</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> isPointOnSegment;</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> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> getLocation();</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">bool</span> isPointInPolygon();</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </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="l00150"></a><span class="lineno"> 150</span> } <span class="comment">// geos::algorithm</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> } <span class="comment">// geos</span></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="preprocessor">#endif // GEOS_ALGORITHM_RAYCROSSINGCOUNTER_H</span></div><div class="ttc" id="export_8h_html_ae36df939090171f6e9a28a8cb6254fea"><div class="ttname"><a href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a></div><div class="ttdeci">#define GEOS_DLL</div><div class="ttdef"><b>Definition:</b> <a href="export_8h_source.html#l00028">export.h:28</a></div></div>
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<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> <a href="Coordinate_8h_source.html#l00060">Coordinate.h:60</a></div></div>
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<div class="ttc" id="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounter_html_aa1a0b63601c69e817aa262617667a41b"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#aa1a0b63601c69e817aa262617667a41b">geos::algorithm::RayCrossingCounter::isOnSegment</a></div><div class="ttdeci">bool isOnSegment()</div><div class="ttdoc">Reports whether the point lies exactly on one of the supplied segments. </div><div class="ttdef"><b>Definition:</b> <a href="RayCrossingCounter_8h_source.html#l00120">RayCrossingCounter.h:120</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounter_html_a887ecdaa3d6d674617003072880a472c"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#a887ecdaa3d6d674617003072880a472c">geos::algorithm::RayCrossingCounter::crossingCount</a></div><div class="ttdeci">int crossingCount</div><div class="ttdef"><b>Definition:</b> <a href="RayCrossingCounter_8h_source.html#l00069">RayCrossingCounter.h:69</a></div></div>
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<div class="ttc" id="namespacegeos_1_1geom_html_ae55a225cd843a6b153a7b6ca5a4707c8"><div class="ttname"><a href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geos::geom::Location</a></div><div class="ttdeci">Location</div><div class="ttdoc">Constants representing the location of a point relative to a geometry. </div><div class="ttdef"><b>Definition:</b> <a href="Location_8h_source.html#l00034">Location.h:34</a></div></div>
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<div class="ttc" id="namespacegeos_html"><div class="ttname"><a href="namespacegeos.html">geos</a></div><div class="ttdoc">Basic namespace for all GEOS functionalities. </div><div class="ttdef"><b>Definition:</b> <a href="IndexedNestedRingTester_8h_source.html#l00026">IndexedNestedRingTester.h:26</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounter_html_a3f0c214c00e92e3173ef5efdee0afe67"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#a3f0c214c00e92e3173ef5efdee0afe67">geos::algorithm::RayCrossingCounter::RayCrossingCounter</a></div><div class="ttdeci">RayCrossingCounter(const geom::Coordinate &p_point)</div><div class="ttdef"><b>Definition:</b> <a href="RayCrossingCounter_8h_source.html#l00095">RayCrossingCounter.h:95</a></div></div>
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<div class="ttc" id="classgeos_1_1geom_1_1CoordinateSequence_html"><div class="ttname"><a href="classgeos_1_1geom_1_1CoordinateSequence.html">geos::geom::CoordinateSequence</a></div><div class="ttdoc">The internal representation of a list of coordinates inside a Geometry. </div><div class="ttdef"><b>Definition:</b> <a href="CoordinateSequence_8h_source.html#l00058">CoordinateSequence.h:58</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounter_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounter.html">geos::algorithm::RayCrossingCounter</a></div><div class="ttdoc">Counts the number of segments crossed by a horizontal ray extending to the right from a given point...</div><div class="ttdef"><b>Definition:</b> <a href="RayCrossingCounter_8h_source.html#l00065">RayCrossingCounter.h:65</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounter_html_ab359e039d9413dc25b8cc38c375746e9"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#ab359e039d9413dc25b8cc38c375746e9">geos::algorithm::RayCrossingCounter::isPointOnSegment</a></div><div class="ttdeci">bool isPointOnSegment</div><div class="ttdef"><b>Definition:</b> <a href="RayCrossingCounter_8h_source.html#l00072">RayCrossingCounter.h:72</a></div></div>
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<div class="ttc" id="Location_8h_html"><div class="ttname"><a href="Location_8h.html">Location.h</a></div></div>
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<div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounter_html_aee47ec0b55ccb7d247bf1ea7fad2ffcf"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounter.html#aee47ec0b55ccb7d247bf1ea7fad2ffcf">geos::algorithm::RayCrossingCounter::point</a></div><div class="ttdeci">const geom::Coordinate & point</div><div class="ttdef"><b>Definition:</b> <a href="RayCrossingCounter_8h_source.html#l00067">RayCrossingCounter.h:67</a></div></div>
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