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class="headertitle"> <div class="title">RayCrossingCounterDD.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) 2018 Paul Ramsey <pramsey@cleverelephant.ca></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/RayCrossingCounterDD.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_RAYCROSSINGCOUNTERDD_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_ALGORITHM_RAYCROSSINGCOUNTERDD_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> <span class="preprocessor">#include <geos/geom/Location.h></span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <geos/algorithm/ttmath/ttmath.h></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <vector></span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment">// forward declarations</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>geom {</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">class </span>Coordinate;</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">class </span>CoordinateSequence;</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> </div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">namespace </span>algorithm {</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html"> 65</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html">RayCrossingCounterDD</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"> 67</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& point;</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> crossingCount;</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"> 72</span>  <span class="keywordtype">bool</span> isPointOnSegment;</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_1RayCrossingCounterDD.html">RayCrossingCounterDD</a>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html">RayCrossingCounterDD</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_1RayCrossingCounterDD.html">RayCrossingCounterDD</a>& operator=(<span class="keyword">const</span> <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html">RayCrossingCounterDD</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="l00087"></a><span class="lineno"> 87</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="l00088"></a><span class="lineno"> 88</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="l00089"></a><span class="lineno"> 89</span> </div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</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="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> std::vector<const geom::Coordinate*>& ring);</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> orientationIndex(<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="l00107"></a><span class="lineno"> 107</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="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>& q);</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>  <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html">RayCrossingCounterDD</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="l00111"></a><span class="lineno"> 111</span>  point(p_point),</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  crossingCount(0),</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  isPointOnSegment(<span class="keyword">false</span>)</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> </div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</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="l00123"></a><span class="lineno"> 123</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="l00124"></a><span class="lineno"> 124</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">bool</span></div> <div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html#a622decf42bc6ecbf316ffa296e61019b"> 135</a></span>  <a class="code" href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html#a622decf42bc6ecbf316ffa296e61019b">isOnSegment</a>()</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>  <span class="keywordflow">return</span> isPointOnSegment;</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> </div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="namespacegeos_1_1geom.html#ae55a225cd843a6b153a7b6ca5a4707c8">geom::Location</a> getLocation();</div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">bool</span> isPointInPolygon();</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">// geos::algorithm</span></div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> } <span class="comment">// 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="preprocessor">#endif // GEOS_ALGORITHM_RAYCROSSINGCOUNTERDD_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="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> Location.h:34</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounterDD_html_a622decf42bc6ecbf316ffa296e61019b"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html#a622decf42bc6ecbf316ffa296e61019b">geos::algorithm::RayCrossingCounterDD::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> RayCrossingCounterDD.h:135</div></div> <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> CoordinateSequence.h:58</div></div> <div class="ttc" id="classgeos_1_1algorithm_1_1RayCrossingCounterDD_html"><div class="ttname"><a href="classgeos_1_1algorithm_1_1RayCrossingCounterDD.html">geos::algorithm::RayCrossingCounterDD</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> RayCrossingCounterDD.h:65</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>