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class="title">MCIndexSegmentSetMutualIntersector.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> <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: noding/MCIndexSegmentSetMutualIntersector.java r388 (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_NODING_MCINDEXSEGMENTSETMUTUALINTERSECTOR_H</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_NODING_MCINDEXSEGMENTSETMUTUALINTERSECTOR_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/noding/SegmentSetMutualIntersector.h></span> <span class="comment">// inherited</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <geos/index/chain/MonotoneChainOverlapAction.h></span> <span class="comment">// inherited</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="keyword">namespace </span>geos {</div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">namespace </span>index {</div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">class </span>SpatialIndex;</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="keyword">namespace </span>chain {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">class </span>MonotoneChain;</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>strtree {</div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">//class STRtree;</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>noding {</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">class </span>SegmentString;</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">class </span>SegmentIntersector;</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> }</div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">//using namespace geos::index::strtree;</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> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span>noding { <span class="comment">// geos::noding</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_1MCIndexSegmentSetMutualIntersector.html"> 54</a></span> <span class="keyword">class </span><a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html">MCIndexSegmentSetMutualIntersector</a> : <span class="keyword">public</span> <a class="code" href="classgeos_1_1noding_1_1SegmentSetMutualIntersector.html">SegmentSetMutualIntersector</a> </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> <span class="keyword">public</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>  <a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html">MCIndexSegmentSetMutualIntersector</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>  ~<a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html">MCIndexSegmentSetMutualIntersector</a>();</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">/* Returns a reference to a vector of MonotoneChain objects owned</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * by this class and destroyed on next call to ::process.</span></div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * Copy them if you need them alive for longer.</span></div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> */</span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  std::vector<index::chain::MonotoneChain *>& getMonotoneChains() </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>  <span class="keywordflow">return</span> monoChains; </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="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classgeos_1_1index_1_1SpatialIndex.html">index::SpatialIndex</a>* getIndex() </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="keywordflow">return</span> index; </div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html#a660e626fb079397933d74ebbb5f5cb30">setBaseSegments</a>(SegmentString::ConstVect* segStrings);</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="comment">// NOTE: re-populates the MonotoneChain vector with newly created chains</span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">void</span> <a class="code" href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html#a519a9eeca1aeaf768759d828e52f2f97">process</a>(SegmentString::ConstVect* segStrings);</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>  <span class="keyword">class </span>SegmentOverlapAction : <span class="keyword">public</span> <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction.html">index::chain::MonotoneChainOverlapAction</a></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">private</span>:</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="classgeos_1_1noding_1_1SegmentIntersector.html">SegmentIntersector</a> & si;</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// Declare type as noncopyable</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  SegmentOverlapAction(<span class="keyword">const</span> SegmentOverlapAction& other);</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  SegmentOverlapAction& operator=(<span class="keyword">const</span> SegmentOverlapAction& rhs);</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">public</span>:</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  SegmentOverlapAction(<a class="code" href="classgeos_1_1noding_1_1SegmentIntersector.html">SegmentIntersector</a> & si) :</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction.html">index::chain::MonotoneChainOverlapAction</a>(), si(si)</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>  <span class="keywordtype">void</span> overlap(<a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html">index::chain::MonotoneChain</a>& mc1, std::size_t start1,</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html">index::chain::MonotoneChain</a>& mc2, std::size_t start2);</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  };</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">private</span>:</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">typedef</span> std::vector<index::chain::MonotoneChain *> MonoChains;</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  MonoChains monoChains;</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">/*</span></div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * The {@link SpatialIndex} used should be something that supports</span></div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> * envelope (range) queries efficiently (such as a {@link Quadtree}</span></div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"> * or {@link STRtree}.</span></div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> */</span></div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="classgeos_1_1index_1_1SpatialIndex.html">index::SpatialIndex</a> * index;</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">int</span> indexCounter;</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">int</span> processCounter;</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// statistics</span></div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">int</span> nOverlaps;</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">/* memory management helper, holds MonotoneChain objects used</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * in the SpatialIndex. It's cleared when the SpatialIndex is</span></div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> */</span></div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  MonoChains chainStore;</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="keywordtype">void</span> addToIndex( <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a> * segStr);</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="keywordtype">void</span> intersectChains();</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">void</span> addToMonoChains( <a class="code" href="classgeos_1_1noding_1_1SegmentString.html">SegmentString</a> * segStr);</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> };</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> </div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> } <span class="comment">// namespace geos::noding</span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#endif // GEOS_NODING_MCINDEXSEGMENTSETMUTUALINTERSECTOR_H</span></div> <div class="ttc" id="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector_html_a660e626fb079397933d74ebbb5f5cb30"><div class="ttname"><a href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html#a660e626fb079397933d74ebbb5f5cb30">geos::noding::MCIndexSegmentSetMutualIntersector::setBaseSegments</a></div><div class="ttdeci">void setBaseSegments(SegmentString::ConstVect *segStrings)</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_1MCIndexSegmentSetMutualIntersector_html_a519a9eeca1aeaf768759d828e52f2f97"><div class="ttname"><a href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html#a519a9eeca1aeaf768759d828e52f2f97">geos::noding::MCIndexSegmentSetMutualIntersector::process</a></div><div class="ttdeci">void process(SegmentString::ConstVect *segStrings)</div></div> <div class="ttc" id="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction_html"><div class="ttname"><a href="classgeos_1_1index_1_1chain_1_1MonotoneChainOverlapAction.html">geos::index::chain::MonotoneChainOverlapAction</a></div><div class="ttdef"><b>Definition:</b> MonotoneChainOverlapAction.h:44</div></div> <div class="ttc" id="classgeos_1_1index_1_1SpatialIndex_html"><div class="ttname"><a href="classgeos_1_1index_1_1SpatialIndex.html">geos::index::SpatialIndex</a></div><div class="ttdoc">Abstract class defines basic insertion and query operations supported by classes implementing spatial...</div><div class="ttdef"><b>Definition:</b> SpatialIndex.h:47</div></div> <div class="ttc" id="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector_html"><div class="ttname"><a href="classgeos_1_1noding_1_1MCIndexSegmentSetMutualIntersector.html">geos::noding::MCIndexSegmentSetMutualIntersector</a></div><div class="ttdoc">Intersects two sets of SegmentStrings using a index based on MonotoneChains and a SpatialIndex...</div><div class="ttdef"><b>Definition:</b> MCIndexSegmentSetMutualIntersector.h:54</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_1SegmentSetMutualIntersector_html"><div class="ttname"><a href="classgeos_1_1noding_1_1SegmentSetMutualIntersector.html">geos::noding::SegmentSetMutualIntersector</a></div><div class="ttdoc">An intersector for the red-blue intersection problem. </div><div class="ttdef"><b>Definition:</b> SegmentSetMutualIntersector.h:37</div></div> <div class="ttc" id="classgeos_1_1index_1_1chain_1_1MonotoneChain_html"><div class="ttname"><a href="classgeos_1_1index_1_1chain_1_1MonotoneChain.html">geos::index::chain::MonotoneChain</a></div><div class="ttdoc">Monotone Chains are a way of partitioning the segments of a linestring to allow for fast searching of...</div><div class="ttdef"><b>Definition:</b> index/chain/MonotoneChain.h:85</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>