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class="header"> <div class="headertitle"> <div class="title">SweepLineIndex.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_INDEX_SWEEPLINE_SWEEPLINEINDEX_H</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_INDEX_SWEEPLINE_SWEEPLINEINDEX_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/export.h></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">#include <vector></span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(push)</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">// Forward declarations</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">namespace </span>index { </div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">namespace </span>sweepline {</div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">class </span>SweepLineInterval;</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">class </span>SweepLineEvent;</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">class </span>SweepLineOverlapAction;</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>index { <span class="comment">// geos.index</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>sweepline { <span class="comment">// geos:index:sweepline</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div> <div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1sweepline_1_1SweepLineIndex.html"> 47</a></span> <span class="keyword">class </span>GEOS_DLL <a class="code" href="classgeos_1_1index_1_1sweepline_1_1SweepLineIndex.html">SweepLineIndex</a> {</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classgeos_1_1index_1_1sweepline_1_1SweepLineIndex.html">SweepLineIndex</a>();</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  ~<a class="code" href="classgeos_1_1index_1_1sweepline_1_1SweepLineIndex.html">SweepLineIndex</a>();</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> add(SweepLineInterval *sweepInt);</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> computeOverlaps(SweepLineOverlapAction *action);</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> <span class="keyword">private</span>:</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// FIXME: make it a real vector rather then a pointer</span></div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  std::vector<SweepLineEvent*> events;</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">bool</span> indexBuilt;</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="comment">// statistics information</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">int</span> nOverlaps;</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">void</span> buildIndex();</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> processOverlaps(<span class="keywordtype">int</span> start, <span class="keywordtype">int</span> end,</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  SweepLineInterval *s0,</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  SweepLineOverlapAction *action);</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> };</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="comment">// namespace geos:index:sweepline</span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> } <span class="comment">// namespace geos:index</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> } <span class="comment">// namespace geos</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#ifdef _MSC_VER</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"></span><span class="preprocessor">#pragma warning(pop)</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif // GEOS_INDEX_SWEEPLINE_SWEEPLINEINDEX_H</span></div> <div class="ttc" id="classgeos_1_1index_1_1sweepline_1_1SweepLineIndex_html"><div class="ttname"><a href="classgeos_1_1index_1_1sweepline_1_1SweepLineIndex.html">geos::index::sweepline::SweepLineIndex</a></div><div class="ttdoc">A sweepline implements a sorted index on a set of intervals. </div><div class="ttdef"><b>Definition:</b> SweepLineIndex.h:47</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>