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509 lines
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 <span id="projectnumber">3.9.1dev</span>
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<li class="navelem"><a class="el" href="namespacegeos.html">geos</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1index.html">index</a></li><li class="navelem"><a class="el" href="namespacegeos_1_1index_1_1bintree.html">bintree</a></li><li class="navelem"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">geos::index::bintree::Bintree Class Reference</div> </div>
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<p>A BinTree (or "Binary Interval Tree") is a 1-dimensional version of a quadtree.
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<a href="classgeos_1_1index_1_1bintree_1_1Bintree.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="Bintree_8h_source.html">Bintree.h</a>></code></p>
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Collaboration diagram for geos::index::bintree::Bintree:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:ae54a7a096c30f82bc5d4af71ad867e98"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#ae54a7a096c30f82bc5d4af71ad867e98">Bintree</a> ()</td></tr>
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<tr class="separator:ae54a7a096c30f82bc5d4af71ad867e98"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a08ffae7fbaba13858b8da8309a258a35"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a08ffae7fbaba13858b8da8309a258a35">~Bintree</a> ()</td></tr>
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<tr class="separator:a08ffae7fbaba13858b8da8309a258a35"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aac5f19e48d52cf6053ccc28d7a7f4961"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#aac5f19e48d52cf6053ccc28d7a7f4961">depth</a> ()</td></tr>
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<tr class="separator:aac5f19e48d52cf6053ccc28d7a7f4961"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a331d9ed17c279a0549343d8fad4f98a5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a331d9ed17c279a0549343d8fad4f98a5">size</a> ()</td></tr>
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<tr class="separator:a331d9ed17c279a0549343d8fad4f98a5"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afeb49dfe77a15b256f93bb84ce9170ac"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#afeb49dfe77a15b256f93bb84ce9170ac">nodeSize</a> ()</td></tr>
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<tr class="separator:afeb49dfe77a15b256f93bb84ce9170ac"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af2278143ec49aeea81435111bc54e49d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#af2278143ec49aeea81435111bc54e49d">insert</a> (<a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> *itemInterval, void *item)</td></tr>
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<tr class="separator:af2278143ec49aeea81435111bc54e49d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae521160eeab90b533c15cb7814c4b413"><td class="memItemLeft" align="right" valign="top">std::vector< void * > * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#ae521160eeab90b533c15cb7814c4b413">iterator</a> ()</td></tr>
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<tr class="memitem:afb23761be5f594c64fff2f6cfd277f12"><td class="memItemLeft" align="right" valign="top">std::vector< void * > * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#afb23761be5f594c64fff2f6cfd277f12">query</a> (double x)</td></tr>
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<tr class="separator:afb23761be5f594c64fff2f6cfd277f12"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6c51d386cb9d72ea416a885fcdc251f4"><td class="memItemLeft" align="right" valign="top">std::vector< void * > * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a6c51d386cb9d72ea416a885fcdc251f4">query</a> (<a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> *interval)</td></tr>
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<tr class="memitem:acb0dfb7caf6a5a02768ff7b1583ff83a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#acb0dfb7caf6a5a02768ff7b1583ff83a">query</a> (<a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> *interval, std::vector< void * > *foundItems)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
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Static Public Member Functions</h2></td></tr>
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<tr class="memitem:a6073d91ff5aeb121ed032fce15fb96a0"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a6073d91ff5aeb121ed032fce15fb96a0">ensureExtent</a> (const <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> *itemInterval, double <a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a72183a8bf302c396315c2099efe67c8a">minExtent</a>)</td></tr>
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<tr class="memdesc:a6073d91ff5aeb121ed032fce15fb96a0"><td class="mdescLeft"> </td><td class="mdescRight">Ensure that the <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html" title="Represents an (1-dimensional) closed interval on the Real number line. ">Interval</a> for the inserted item has non-zero extents. <a href="#a6073d91ff5aeb121ed032fce15fb96a0">More...</a><br /></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-methods"></a>
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Private Member Functions</h2></td></tr>
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<tr class="memitem:af18743a109cf4dea719bc52dfcfcd8fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#af18743a109cf4dea719bc52dfcfcd8fe">collectStats</a> (<a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> *interval)</td></tr>
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<tr class="memitem:af4c956c9b544d9fafcfd6a0308198ef4"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#af4c956c9b544d9fafcfd6a0308198ef4">Bintree</a> (const <a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a> &)=delete</td></tr>
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<tr class="memitem:adeb356a3962c5ab58ff6434cf1a3c810"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#adeb356a3962c5ab58ff6434cf1a3c810">operator=</a> (const <a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a> &)=delete</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
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Private Attributes</h2></td></tr>
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<tr class="memitem:a7dd474724327f895bcf7f65ebd2a13b2"><td class="memItemLeft" align="right" valign="top">std::vector< <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a7dd474724327f895bcf7f65ebd2a13b2">newIntervals</a></td></tr>
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<tr class="memitem:a50c3bdd17449d7adb0d6af3fca7467e6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Root.html">Root</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a50c3bdd17449d7adb0d6af3fca7467e6">root</a></td></tr>
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<tr class="separator:a50c3bdd17449d7adb0d6af3fca7467e6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a72183a8bf302c396315c2099efe67c8a"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html#a72183a8bf302c396315c2099efe67c8a">minExtent</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>A BinTree (or "Binary Interval Tree") is a 1-dimensional version of a quadtree. </p>
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<p>It indexes 1-dimensional intervals (which of course may be the projection of 2-D objects on an axis). It supports range searching (where the range may be a single point).</p>
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<p>This implementation does not require specifying the extent of the inserted items beforehand. It will automatically expand to accomodate any extent of dataset.</p>
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<p>This index is different to the "Interval Tree of Edelsbrunner" or the "Segment Tree of Bentley". </p>
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<p>Definition at line <a class="el" href="Bintree_8h_source.html#l00054">54</a> of file <a class="el" href="Bintree_8h_source.html">Bintree.h</a>.</p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">geos::index::bintree::Bintree::Bintree </td>
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<td class="memname">geos::index::bintree::Bintree::~Bintree </td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a> & </td>
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<span class="mlabels"><span class="mlabel">private</span><span class="mlabel">delete</span></span> </td>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void geos::index::bintree::Bintree::collectStats </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * </td>
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<td class="paramname"><em>interval</em></td><td>)</td>
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<td class="memname">int geos::index::bintree::Bintree::depth </td>
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<td class="memname">static <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a>* geos::index::bintree::Bintree::ensureExtent </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * </td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>minExtent</em> </td>
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<td>)</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Ensure that the <a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html" title="Represents an (1-dimensional) closed interval on the Real number line. ">Interval</a> for the inserted item has non-zero extents. </p>
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<p>Use the current minExtent to pad it, if necessary.</p>
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<dl class="section note"><dt>Note</dt><dd>In GEOS this function always return a newly allocated object with ownership transferred to caller. TODO: change this ?</dd></dl>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">itemInterval</td><td>source interval, ownership left to caller, no references hold </td></tr>
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<tr><td class="paramname">minExtent</td><td>minimal extent </td></tr>
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</dd>
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<td class="memname">void geos::index::bintree::Bintree::insert </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * </td>
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<td class="paramname"><em>itemInterval</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>item</em> </td>
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<td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">itemInterval</td><td>Ownership left to caller, NO reference hold by this class.</td></tr>
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<tr><td class="paramname">item</td><td>Ownership left to caller, reference kept by this class. </td></tr>
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<td class="memname">std::vector<void*>* geos::index::bintree::Bintree::iterator </td>
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<td>(</td>
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<td class="memname">int geos::index::bintree::Bintree::nodeSize </td>
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<td>(</td>
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<td class="memname"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a>& geos::index::bintree::Bintree::operator= </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="classgeos_1_1index_1_1bintree_1_1Bintree.html">Bintree</a> & </td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">private</span><span class="mlabel">delete</span></span> </td>
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<td class="memname">std::vector<void*>* geos::index::bintree::Bintree::query </td>
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<td>(</td>
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<td class="paramtype">double </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td class="paramtype"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * </td>
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<td class="paramname"><em>interval</em></td><td>)</td>
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<td class="memname">void geos::index::bintree::Bintree::query </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a> * </td>
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<td class="paramname"><em>interval</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">std::vector< void * > * </td>
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<td class="paramname"><em>foundItems</em> </td>
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<td>)</td>
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<td class="memname">int geos::index::bintree::Bintree::size </td>
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<td>(</td>
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<td></td>
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<h2 class="groupheader">Member Data Documentation</h2>
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<td class="memname">double geos::index::bintree::Bintree::minExtent</td>
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<span class="mlabels"><span class="mlabel">private</span></span> </td>
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<p>Statistics</p>
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<p>minExtent is the minimum extent of all items inserted into the tree so far. It is used as a heuristic value to construct non-zero extents for features with zero extent. Start with a non-zero extent, in case the first feature inserted has a zero extent in both directions. This value may be non-optimal, but only one feature will be inserted with this value. </p>
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<p>Definition at line <a class="el" href="Bintree_8h_source.html#l00115">115</a> of file <a class="el" href="Bintree_8h_source.html">Bintree.h</a>.</p>
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<td class="memname">std::vector<<a class="el" href="classgeos_1_1index_1_1bintree_1_1Interval.html">Interval</a>*> geos::index::bintree::Bintree::newIntervals</td>
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<span class="mlabels"><span class="mlabel">private</span></span> </td>
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<p>Definition at line <a class="el" href="Bintree_8h_source.html#l00101">101</a> of file <a class="el" href="Bintree_8h_source.html">Bintree.h</a>.</p>
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<td class="memname"><a class="el" href="classgeos_1_1index_1_1bintree_1_1Root.html">Root</a>* geos::index::bintree::Bintree::root</td>
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<p>Definition at line <a class="el" href="Bintree_8h_source.html#l00103">103</a> of file <a class="el" href="Bintree_8h_source.html">Bintree.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li><a class="el" href="Bintree_8h_source.html">Bintree.h</a></li>
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</ul>
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