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2020-12-23 18:34:09 -08:00
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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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<a href="Quadtree_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>&#160;<span class="comment">/**********************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * GEOS - Geometry Engine Open Source</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * http://geos.osgeo.org</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * Copyright (C) 2006 Refractions Research Inc.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * by the Free Software Foundation.</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * See the COPYING file for more information.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> **********************************************************************</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * Last port: index/quadtree/Quadtree.java rev. 1.16 (JTS-1.10)</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> **********************************************************************/</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#ifndef GEOS_IDX_QUADTREE_QUADTREE_H</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#define GEOS_IDX_QUADTREE_QUADTREE_H</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="export_8h.html">geos/export.h</a>&gt;</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="Envelope_8h.html">geos/geom/Envelope.h</a>&gt;</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="SpatialIndex_8h.html">geos/index/SpatialIndex.h</a>&gt;</span> <span class="comment">// for inheritance</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="quadtree_2Root_8h.html">geos/index/quadtree/Root.h</a>&gt;</span> <span class="comment">// for composition</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div><div cla
<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>
<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>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1Quadtree_html"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html">geos::index::quadtree::Quadtree</a></div><div class="ttdoc">A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...</div><div class="ttdef"><b>Definition:</b> <a href="Quadtree_8h_source.html#l00071">Quadtree.h:71</a></div></div>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1Root_html"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1Root.html">geos::index::quadtree::Root</a></div><div class="ttdoc">QuadRoot is the root of a single Quadtree. It is centred at the origin, and does not have a defined e...</div><div class="ttdef"><b>Definition:</b> <a href="quadtree_2Root_8h_source.html#l00049">quadtree/Root.h:49</a></div></div>
<div class="ttc" id="export_8h_html"><div class="ttname"><a href="export_8h.html">export.h</a></div></div>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1NodeBase_html_a9911c1f0490448ddb228c6d7ba09dc4f"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#a9911c1f0490448ddb228c6d7ba09dc4f">geos::index::quadtree::NodeBase::visit</a></div><div class="ttdeci">virtual void visit(const geom::Envelope *searchEnv, ItemVisitor &amp;visitor)</div></div>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1Quadtree_html_a4f688e0830d53e6ec3ba397f606e9008"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html#a4f688e0830d53e6ec3ba397f606e9008">geos::index::quadtree::Quadtree::query</a></div><div class="ttdeci">void query(const geom::Envelope *searchEnv, ItemVisitor &amp;visitor) override</div><div class="ttdoc">Queries the tree and visits items which may lie in the given search envelope. </div><div class="ttdef"><b>Definition:</b> <a href="Quadtree_8h_source.html#l00162">Quadtree.h:162</a></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> <a href="SpatialIndex_8h_source.html#l00047">SpatialIndex.h:47</a></div></div>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1Quadtree_html_a1bf75998e2b71ee8350ad292f23758ff"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html#a1bf75998e2b71ee8350ad292f23758ff">geos::index::quadtree::Quadtree::minExtent</a></div><div class="ttdeci">double minExtent</div><div class="ttdef"><b>Definition:</b> <a href="Quadtree_8h_source.html#l00092">Quadtree.h:92</a></div></div>
<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>
<div class="ttc" id="SpatialIndex_8h_html"><div class="ttname"><a href="SpatialIndex_8h.html">SpatialIndex.h</a></div></div>
<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>
<div class="ttc" id="Envelope_8h_html"><div class="ttname"><a href="Envelope_8h.html">Envelope.h</a></div></div>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1Quadtree_html_ac0082e2d5d3525f90c61e25bb6093489"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html#ac0082e2d5d3525f90c61e25bb6093489">geos::index::quadtree::Quadtree::root</a></div><div class="ttdeci">Root root</div><div class="ttdef"><b>Definition:</b> <a href="Quadtree_8h_source.html#l00079">Quadtree.h:79</a></div></div>
<div class="ttc" id="classgeos_1_1index_1_1quadtree_1_1Quadtree_html_ad2713f35495133940ba9726fa4a742d9"><div class="ttname"><a href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html#ad2713f35495133940ba9726fa4a742d9">geos::index::quadtree::Quadtree::Quadtree</a></div><div class="ttdeci">Quadtree()</div><div class="ttdoc">Constructs a Quadtree with zero items. </div><div class="ttdef"><b>Definition:</b> <a href="Quadtree_8h_source.html#l00109">Quadtree.h:109</a></div></div>
<div class="ttc" id="quadtree_2Root_8h_html"><div class="ttname"><a href="quadtree_2Root_8h.html">Root.h</a></div></div>
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