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class="header"> <div class="headertitle"> <div class="title">IntervalRTreeNode.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> </div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef GEOS_INDEX_INTERVALRTREE_INTERVALRTREENODE_H</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#define GEOS_INDEX_INTERVALRTREE_INTERVALRTREENODE_H</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <geos/platform.h></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> <span class="preprocessor">#include <limits></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="comment">// forward declarations</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">namespace </span>index {</div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">class </span>ItemVisitor;</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> }</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> </div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>geos {</div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>index {</div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span>intervalrtree {</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> <span class="keyword">class </span>IntervalRTreeNode </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">private</span>:</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">protected</span>:</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">double</span> min;</div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">double</span> max;</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>  <span class="keywordtype">bool</span> intersects( <span class="keywordtype">double</span> queryMin, <span class="keywordtype">double</span> queryMax)<span class="keyword"> const</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword"> </span>{</div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">if</span> (min > queryMax || max < queryMin)</div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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> </div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">public</span>:</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">typedef</span> std::vector<const IntervalRTreeNode *> ConstVect;</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>  IntervalRTreeNode()</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  : min( DoubleInfinity ),</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  max( DoubleNegInfinity )</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> </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  IntervalRTreeNode( <span class="keywordtype">double</span> min, <span class="keywordtype">double</span> max)</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  : min( min ),</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  max( max )</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> </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">virtual</span> ~IntervalRTreeNode() </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="keywordtype">double</span> getMin()<span class="keyword"> const</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword"> </span>{ </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">return</span> min; </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>  <span class="keywordtype">double</span> getMax()<span class="keyword"> const </span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword"> </span>{ </div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> max; </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="keyword">virtual</span> <span class="keywordtype">void</span> query( <span class="keywordtype">double</span> queryMin, <span class="keywordtype">double</span> queryMax, ItemVisitor * visitor) <span class="keyword">const</span> =0;</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">//std::string toString()</span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">//{</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="comment">// return WKTWriter.toLineString(new Coordinate(min, 0), new Coordinate(max, 0));</span></div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">//}</span></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> </div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">//class NodeComparator </span></div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">//{</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">//public:</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> compare( <span class="keyword">const</span> IntervalRTreeNode * n1, <span class="keyword">const</span> IntervalRTreeNode * n2)</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">//IntervalRTreeNode * n1 = dynamic_cast<IntervalRTreeNode *>( o1);</span></div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">//IntervalRTreeNode * n2 = dynamic_cast<IntervalRTreeNode *>( o2);</span></div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">double</span> mid1 = (n1->getMin() + n1->getMax()) / 2;</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">double</span> mid2 = (n2->getMin() + n2->getMax()) / 2;</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="comment">//if (mid1 < mid2) return -1;</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="comment">//if (mid1 > mid2) return 1;</span></div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">//return 0;</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="keywordflow">return</span> mid1 > mid2;</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="comment">//};</span></div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </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> </div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> } <span class="comment">// geos::index::intervalrtree</span></div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> } <span class="comment">// geos::index</span></div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> } <span class="comment">// geos</span></div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#endif // GEOS_INDEX_INTERVALRTREE_INTERVALRTREENODE_H</span></div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"></span></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>