93 lines
7.4 KiB
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93 lines
7.4 KiB
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<title>GEOS: geos::index::quadtree Namespace Reference</title>
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<div id="projectname">GEOS
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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_1quadtree.html">quadtree</a></li> </ul>
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<div class="title">geos::index::quadtree Namespace Reference</div> </div>
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<div class="contents">
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<p>Contains classes that implement a <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html" title="A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...">Quadtree</a> spatial index.
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1quadtree_1_1IntervalSize.html">IntervalSize</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Provides a test for whether an interval is so small it should be considered as zero for the purposes of inserting it into a binary tree. <a href="classgeos_1_1index_1_1quadtree_1_1IntervalSize.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1quadtree_1_1Key.html">Key</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Key.html" title="A Key is a unique identifier for a node in a quadtree. ">Key</a> is a unique identifier for a node in a quadtree. <a href="classgeos_1_1index_1_1quadtree_1_1Key.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1quadtree_1_1Node.html">Node</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Represents a node of a <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html" title="A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...">Quadtree</a>. <a href="classgeos_1_1index_1_1quadtree_1_1Node.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html">NodeBase</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">The base class for nodes in a <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html" title="A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...">Quadtree</a>. <a href="classgeos_1_1index_1_1quadtree_1_1NodeBase.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html">Quadtree</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html" title="A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...">Quadtree</a> is a spatial index structure for efficient querying of 2D rectangles. If other kinds of spatial objects need to be indexed they can be represented by their envelopes. <a href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classgeos_1_1index_1_1quadtree_1_1Root.html">Root</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">QuadRoot is the root of a single <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html" title="A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...">Quadtree</a>. It is centred at the origin, and does not have a defined extent. <a href="classgeos_1_1index_1_1quadtree_1_1Root.html#details">More...</a><br /></td></tr>
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<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Contains classes that implement a <a class="el" href="classgeos_1_1index_1_1quadtree_1_1Quadtree.html" title="A Quadtree is a spatial index structure for efficient querying of 2D rectangles. If other kinds of sp...">Quadtree</a> spatial index. </p>
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