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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0bc14b2fb119a11b6a0f32f4d350db61.html">geos</a></li><li class="navelem"><a class="el" href="dir_c01eee2f0195f7c921c8a1b68ed5e74c.html">index</a></li><li class="navelem"><a class="el" href="dir_e5230be7d14949f043691ce046034782.html">quadtree</a></li> </ul>
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<div class="title">quadtree/NodeBase.h</div> </div>
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<a href="quadtree_2NodeBase_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"> * Last port: index/quadtree/NodeBase.java rev 1.9 (JTS-1.10)</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</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> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifndef GEOS_IDX_QUADTREE_NODEBASE_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#define GEOS_IDX_QUADTREE_NODEBASE_H</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">#include <<a class="code" href="export_8h.html">geos/export.h</a>></span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <array></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <string></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">#ifdef _MSC_VER</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#pragma warning(push)</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</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="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">// Forward declarations</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>geom {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">class </span>Coordinate;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">class </span>Envelope;</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>index {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">class </span>ItemVisitor;</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span>quadtree {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">class </span>Node;</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> }</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> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">namespace </span><a class="code" href="namespacegeos.html">geos</a> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">namespace </span>index { <span class="comment">// geos::index</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">namespace </span>quadtree { <span class="comment">// geos::index::quadtree</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html"> 55</a></span> <span class="keyword">class </span><a class="code" href="export_8h.html#ae36df939090171f6e9a28a8cb6254fea">GEOS_DLL</a> <a class="code" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html">NodeBase</a> {</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="keyword">private</span>:</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="keywordtype">void</span> visitItems(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>* searchEnv,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="classgeos_1_1index_1_1ItemVisitor.html">ItemVisitor</a>& visitor);</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="keyword">public</span>:</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="keyword">static</span> <span class="keywordtype">int</span> getSubnodeIndex(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>* env,</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Coordinate.html">geom::Coordinate</a>& centre);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html">NodeBase</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"> 69</span>  <span class="keyword">virtual</span> ~<a class="code" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html">NodeBase</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>  std::vector<void*>& getItems();</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">void</span> add(<span class="keywordtype">void</span>* item);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  std::vector<void*>& addAllItems(std::vector<void*>& resultItems) <span class="keyword">const</span>;</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> addAllItemsFromOverlapping(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>& searchEnv,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::vector<void*>& resultItems) <span class="keyword">const</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>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> depth() <span class="keyword">const</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="keywordtype">size_t</span> size() <span class="keyword">const</span>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">size_t</span> getNodeCount() <span class="keyword">const</span>;</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="keyword">virtual</span> std::string toString() <span class="keyword">const</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> visit(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>* searchEnv, <a class="code" href="classgeos_1_1index_1_1ItemVisitor.html">ItemVisitor</a>& visitor);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">bool</span> <span class="keyword">remove</span>(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>* itemEnv, <span class="keywordtype">void</span>* item);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">bool</span> hasItems() <span class="keyword">const</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>  <span class="keywordtype">bool</span> hasChildren() <span class="keyword">const</span>;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">bool</span> isPrunable() <span class="keyword">const</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a56e32a714cf1120b06d323e6f35f732e"> 111</a></span>  std::vector<void*> <a class="code" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a56e32a714cf1120b06d323e6f35f732e">items</a>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a268d3763c50327c4c8a8b1a2028578ee"> 123</a></span>  std::array<Node*, 4> <a class="code" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a268d3763c50327c4c8a8b1a2028578ee">subnodes</a>;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> isSearchMatch(<span class="keyword">const</span> <a class="code" href="classgeos_1_1geom_1_1Envelope.html">geom::Envelope</a>& searchEnv) <span class="keyword">const</span> = 0;</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> </div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">// INLINES, To be moved in NodeBase.inl</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="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#aaff52e7a12a06c388621a21bd96f3ac8"> 132</a></span> NodeBase::hasChildren()<span class="keyword"> const</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword"></span>{</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">for</span>(<span class="keyword">const</span> <span class="keyword">auto</span>& subnode : subnodes) {</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">if</span>(subnode != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</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="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> }</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a742d629e87601b4c83b99c0d383a1922"> 144</a></span> NodeBase::isPrunable()<span class="keyword"> const</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keyword"></span>{</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> !(hasChildren() || hasItems());</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> <span class="keyword">inline</span> <span class="keywordtype">bool</span></div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a619b35e4a6e7e1841a31101cefc29064"> 150</a></span> NodeBase::hasItems()<span class="keyword"> const</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="keyword"></span>{</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">return</span> ! items.empty();</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> }</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> } <span class="comment">// namespace geos::index::quadtree</span></div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> } <span class="comment">// namespace geos::index</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> } <span class="comment">// namespace geos</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#ifdef _MSC_VER</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor">#pragma warning(pop)</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif</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> <span class="preprocessor">#endif // GEOS_IDX_QUADTREE_NODEBASE_H</span></div><div class="ttc" id="classgeos_1_1geom_1_1Envelope_html"><div class="ttname"><a href="classgeos_1_1geom_1_1Envelope.html">geos::geom::Envelope</a></div><div class="ttdoc">An Envelope defines a rectangulare region of the 2D coordinate plane. </div><div class="ttdef"><b>Definition:</b> <a href="Envelope_8h_source.html#l00058">Envelope.h:58</a></div></div>
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<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_1index_1_1quadtree_1_1NodeBase_html"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html">geos::index::quadtree::NodeBase</a></div><div class="ttdoc">The base class for nodes in a Quadtree. </div><div class="ttdef"><b>Definition:</b> <a href="quadtree_2NodeBase_8h_source.html#l00055">quadtree/NodeBase.h:55</a></div></div>
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<div class="ttc" id="classgeos_1_1index_1_1ItemVisitor_html"><div class="ttname"><a href="classgeos_1_1index_1_1ItemVisitor.html">geos::index::ItemVisitor</a></div><div class="ttdoc">A visitor for items in an index. </div><div class="ttdef"><b>Definition:</b> <a href="ItemVisitor_8h_source.html#l00029">ItemVisitor.h:29</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_1index_1_1quadtree_1_1NodeBase_html_a268d3763c50327c4c8a8b1a2028578ee"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a268d3763c50327c4c8a8b1a2028578ee">geos::index::quadtree::NodeBase::subnodes</a></div><div class="ttdeci">std::array< Node *, 4 > subnodes</div><div class="ttdef"><b>Definition:</b> <a href="quadtree_2NodeBase_8h_source.html#l00123">quadtree/NodeBase.h:123</a></div></div>
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<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1NodeBase_html_a56e32a714cf1120b06d323e6f35f732e"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a56e32a714cf1120b06d323e6f35f732e">geos::index::quadtree::NodeBase::items</a></div><div class="ttdeci">std::vector< void * > items</div><div class="ttdoc">Actual items are NOT owned by this class. </div><div class="ttdef"><b>Definition:</b> <a href="quadtree_2NodeBase_8h_source.html#l00111">quadtree/NodeBase.h:111</a></div></div>
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