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<li class="navelem"><a class="el" href="namespace_lucene.html">Lucene</a></li><li class="navelem"><a class="el" href="namespace_lucene_1_1_net.html">Net</a></li><li class="navelem"><a class="el" href="namespace_lucene_1_1_net_1_1_spatial.html">Spatial</a></li><li class="navelem"><a class="el" href="namespace_lucene_1_1_net_1_1_spatial_1_1_prefix.html">Prefix</a></li><li class="navelem"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html">RecursivePrefixTreeFilter</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter-members.html">List of all members</a> </div>
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<div class="title">Lucene.Net.Spatial.Prefix.RecursivePrefixTreeFilter Class Reference</div> </div>
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<p>Performs a spatial intersection filter against a field indexed with <a class="el" href="">SpatialPrefixTree</a>, a Trie. SPT yields terms (grids) at length 1 and at greater lengths corresponding to greater precisions. This filter recursively traverses each grid length and uses methods on <a class="el" href="">Shape</a> to efficiently know that all points at a prefix fit in the shape or not to either short-circuit unnecessary traversals or to efficiently load all enclosed points.
<a href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html#details">More...</a></p>
<p>Inherits <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_filter.html">Lucene.Net.Search.Filter</a>.</p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a66a1e1b441b18d86ca82ca64fbf4ebfb"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html#a66a1e1b441b18d86ca82ca64fbf4ebfb">RecursivePrefixTreeFilter</a> (String fieldName, <a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_spatial_prefix_tree.html">SpatialPrefixTree</a> grid, Shape queryShape, int prefixGridScanLevel, int detailLevel)</td></tr>
<tr class="separator:a66a1e1b441b18d86ca82ca64fbf4ebfb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac5fbc39900db92d8650a2041d4e8d54b"><td class="memItemLeft" align="right" valign="top">override <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set.html">DocIdSet</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html#ac5fbc39900db92d8650a2041d4e8d54b">GetDocIdSet</a> (<a class="el" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html">Index.IndexReader</a> reader)</td></tr>
<tr class="separator:ac5fbc39900db92d8650a2041d4e8d54b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a28dcb511733c3ae53218cd9a43f6b1cd"><td class="memItemLeft" align="right" valign="top">override string&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html#a28dcb511733c3ae53218cd9a43f6b1cd">ToString</a> ()</td></tr>
<tr class="separator:a28dcb511733c3ae53218cd9a43f6b1cd"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae07ed7e449f7c53b8391beb9ae622ed7"><td class="memItemLeft" align="right" valign="top">override bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html#ae07ed7e449f7c53b8391beb9ae622ed7">Equals</a> (object o)</td></tr>
<tr class="separator:ae07ed7e449f7c53b8391beb9ae622ed7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2f8c853469111cacb4565d581a3c145e"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_recursive_prefix_tree_filter.html#a2f8c853469111cacb4565d581a3c145e">GetHashCode</a> ()</td></tr>
<tr class="separator:a2f8c853469111cacb4565d581a3c145e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_class_lucene_1_1_net_1_1_search_1_1_filter"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_lucene_1_1_net_1_1_search_1_1_filter')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_filter.html">Lucene.Net.Search.Filter</a></td></tr>
<tr class="memitem:a6acd9f9caec9c3a4adba5580593f76c7 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_filter"><td class="memItemLeft" align="right" valign="top">abstract <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set.html">DocIdSet</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_filter.html#a6acd9f9caec9c3a4adba5580593f76c7">GetDocIdSet</a> (<a class="el" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader)</td></tr>
<tr class="memdesc:a6acd9f9caec9c3a4adba5580593f76c7 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_filter"><td class="mdescLeft">&#160;</td><td class="mdescRight"> <a href="#a6acd9f9caec9c3a4adba5580593f76c7"></a><br/></td></tr>
<tr class="separator:a6acd9f9caec9c3a4adba5580593f76c7 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_filter"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Performs a spatial intersection filter against a field indexed with <a class="el" href="">SpatialPrefixTree</a>, a Trie. SPT yields terms (grids) at length 1 and at greater lengths corresponding to greater precisions. This filter recursively traverses each grid length and uses methods on <a class="el" href="">Shape</a> to efficiently know that all points at a prefix fit in the shape or not to either short-circuit unnecessary traversals or to efficiently load all enclosed points. </p>
<p>Definition at line <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html#l00036">36</a> of file <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a66a1e1b441b18d86ca82ca64fbf4ebfb"></a>
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<td class="memname">Lucene.Net.Spatial.Prefix.RecursivePrefixTreeFilter.RecursivePrefixTreeFilter </td>
<td>(</td>
<td class="paramtype">String&#160;</td>
<td class="paramname"><em>fieldName</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_spatial_prefix_tree.html">SpatialPrefixTree</a>&#160;</td>
<td class="paramname"><em>grid</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">Shape&#160;</td>
<td class="paramname"><em>queryShape</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>prefixGridScanLevel</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>detailLevel</em>&#160;</td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Definition at line <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html#l00063">63</a> of file <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">override bool Lucene.Net.Spatial.Prefix.RecursivePrefixTreeFilter.Equals </td>
<td>(</td>
<td class="paramtype">object&#160;</td>
<td class="paramname"><em>o</em></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p>Definition at line <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html#l00165">165</a> of file <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a>.</p>
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<a class="anchor" id="ac5fbc39900db92d8650a2041d4e8d54b"></a>
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<td class="memname">override <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set.html">DocIdSet</a> Lucene.Net.Spatial.Prefix.RecursivePrefixTreeFilter.GetDocIdSet </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html">Index.IndexReader</a>&#160;</td>
<td class="paramname"><em>reader</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Definition at line <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html#l00074">74</a> of file <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a>.</p>
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<a class="anchor" id="a2f8c853469111cacb4565d581a3c145e"></a>
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<td class="memname">override int Lucene.Net.Spatial.Prefix.RecursivePrefixTreeFilter.GetHashCode </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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</div><div class="memdoc">
<p>Definition at line <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html#l00181">181</a> of file <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a>.</p>
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<a class="anchor" id="a28dcb511733c3ae53218cd9a43f6b1cd"></a>
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<td class="memname">override string Lucene.Net.Spatial.Prefix.RecursivePrefixTreeFilter.ToString </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Definition at line <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html#l00160">160</a> of file <a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>contrib/Spatial/Prefix/<a class="el" href="_recursive_prefix_tree_filter_8cs_source.html">RecursivePrefixTreeFilter.cs</a></li>
</ul>
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