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<h1 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree" class="text-break">Class SpatialPrefixTree
</h1>
<div class="markdown level0 summary"><p>A spatial Prefix Tree, or Trie, which decomposes shapes into prefixed strings
at variable lengths corresponding to variable precision.</p>
</div>
<div class="markdown level0 conceptual"></div>
<div class="inheritance">
<h5>Inheritance</h5>
<div class="level0"><span class="xref">System.Object</span></div>
<div class="level1"><span class="xref">SpatialPrefixTree</span></div>
<div class="level2"><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.GeohashPrefixTree.html">GeohashPrefixTree</a></div>
<div class="level2"><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.QuadPrefixTree.html">QuadPrefixTree</a></div>
</div>
<div class="inheritedMembers">
<h5>Inherited Members</h5>
<div>
<span class="xref">System.Object.Equals(System.Object)</span>
</div>
<div>
<span class="xref">System.Object.Equals(System.Object, System.Object)</span>
</div>
<div>
<span class="xref">System.Object.GetHashCode()</span>
</div>
<div>
<span class="xref">System.Object.GetType()</span>
</div>
<div>
<span class="xref">System.Object.MemberwiseClone()</span>
</div>
<div>
<span class="xref">System.Object.ReferenceEquals(System.Object, System.Object)</span>
</div>
</div>
<h6><strong>Namespace</strong>: <a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.html">Lucene.Net.Spatial.Prefix.Tree</a></h6>
<h6><strong>Assembly</strong>: Lucene.Net.Spatial.dll</h6>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_syntax">Syntax</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public abstract class SpatialPrefixTree</code></pre>
</div>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_remarks"><strong>Remarks</strong></h5>
<div class="markdown level0 remarks"><p>A spatial Prefix Tree, or Trie, which decomposes shapes into prefixed strings
at variable lengths corresponding to variable precision. Each string
corresponds to a rectangular spatial region. This approach is
also referred to &quot;Grids&quot;, &quot;Tiles&quot;, and &quot;Spatial Tiers&quot;.
<p>
Implementations of this class should be thread-safe and immutable once
initialized.</p>
<div class="lucene-block lucene-experimental">This is a Lucene.NET EXPERIMENTAL API, use at your own risk</div></div>
<h3 id="constructors">Constructors
</h3>
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</span>
<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree__ctor_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.#ctor*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree__ctor_Spatial4n_Core_Context_SpatialContext_System_Int32_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.#ctor(Spatial4n.Core.Context.SpatialContext,System.Int32)">SpatialPrefixTree(SpatialContext, Int32)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public SpatialPrefixTree(SpatialContext ctx, int maxLevels)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Spatial4n.Core.Context.SpatialContext</span></td>
<td><span class="parametername">ctx</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">maxLevels</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="fields">Fields
</h3>
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</span>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_m_ctx" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.m_ctx">m_ctx</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected readonly SpatialContext m_ctx</code></pre>
</div>
<h5 class="fieldValue">Field Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Spatial4n.Core.Context.SpatialContext</span></td>
<td></td>
</tr>
</tbody>
</table>
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</span>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_m_maxLevels" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.m_maxLevels">m_maxLevels</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected readonly int m_maxLevels</code></pre>
</div>
<h5 class="fieldValue">Field Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="properties">Properties
</h3>
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</span>
<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_MaxLevels_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.MaxLevels*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_MaxLevels" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.MaxLevels">MaxLevels</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual int MaxLevels { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_SpatialContext_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.SpatialContext*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_SpatialContext" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.SpatialContext">SpatialContext</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual SpatialContext SpatialContext { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Spatial4n.Core.Context.SpatialContext</span></td>
<td></td>
</tr>
</tbody>
</table>
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</span>
<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_WorldCell_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.WorldCell*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_WorldCell" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.WorldCell">WorldCell</h4>
<div class="markdown level1 summary"><p>Returns the level 0 cell which encompasses all spatial data.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual Cell WorldCell { get; }</code></pre>
</div>
<h5 class="propertyValue">Property Value</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_WorldCell_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Returns the level 0 cell which encompasses all spatial data. Equivalent to
<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.html#Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_System_String_">GetCell(String)</a> with <span class="xref">System.String.Empty</span>.
This cell is threadsafe, just like a spatial prefix grid is, although cells aren&apos;t
generally threadsafe.</p>
</div>
<h3 id="methods">Methods
</h3>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_CellsToTokenStrings_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.CellsToTokenStrings*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_CellsToTokenStrings_System_Collections_Generic_ICollection_Lucene_Net_Spatial_Prefix_Tree_Cell__" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.CellsToTokenStrings(System.Collections.Generic.ICollection{Lucene.Net.Spatial.Prefix.Tree.Cell})">CellsToTokenStrings(ICollection&lt;Cell&gt;)</h4>
<div class="markdown level1 summary"><p>Will add the trailing leaf byte for leaves. This isn&apos;t particularly efficient.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">[Obsolete(&quot;TODO remove; not used and not interesting, don't need collection in &amp; out&quot;)]
public static IList&lt;string&gt; CellsToTokenStrings(ICollection&lt;Cell&gt; cells)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.ICollection</span>&lt;<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a>&gt;</td>
<td><span class="parametername">cells</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IList</span>&lt;<span class="xref">System.String</span>&gt;</td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_Spatial4n_Core_Shapes_IPoint_System_Int32_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell(Spatial4n.Core.Shapes.IPoint,System.Int32)">GetCell(IPoint, Int32)</h4>
<div class="markdown level1 summary"><p>Returns the cell containing point <code data-dev-comment-type="paramref" class="paramref">p</code> at the specified <code data-dev-comment-type="paramref" class="paramref">level</code>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">protected virtual Cell GetCell(IPoint p, int level)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Spatial4n.Core.Shapes.IPoint</span></td>
<td><span class="parametername">p</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">level</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a></td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_System_Byte___System_Int32_System_Int32_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell(System.Byte[],System.Int32,System.Int32)">GetCell(Byte[], Int32, Int32)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public abstract Cell GetCell(byte[] bytes, int offset, int len)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Byte</span>[]</td>
<td><span class="parametername">bytes</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">offset</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">len</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a></td>
<td></td>
</tr>
</tbody>
</table>
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</span>
<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_System_Byte___System_Int32_System_Int32_Lucene_Net_Spatial_Prefix_Tree_Cell_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell(System.Byte[],System.Int32,System.Int32,Lucene.Net.Spatial.Prefix.Tree.Cell)">GetCell(Byte[], Int32, Int32, Cell)</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public Cell GetCell(byte[] bytes, int offset, int len, Cell target)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Byte</span>[]</td>
<td><span class="parametername">bytes</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">offset</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">len</span></td>
<td></td>
</tr>
<tr>
<td><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a></td>
<td><span class="parametername">target</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a></td>
<td></td>
</tr>
</tbody>
</table>
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</span>
<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_System_String_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCell(System.String)">GetCell(String)</h4>
<div class="markdown level1 summary"><p>The cell for the specified token.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public abstract Cell GetCell(string token)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td><span class="parametername">token</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a></td>
<td></td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_System_String__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>The cell for the specified token. The empty string should be equal to
<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.html#Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_WorldCell">WorldCell</a>.
Precondition: Never called when token length &gt; maxLevel.</p>
</div>
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</span>
<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCells*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_Spatial4n_Core_Shapes_IPoint_System_Int32_System_Boolean_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCells(Spatial4n.Core.Shapes.IPoint,System.Int32,System.Boolean)">GetCells(IPoint, Int32, Boolean)</h4>
<div class="markdown level1 summary"><p>A Point-optimized implementation of
<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.html#Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_Spatial4n_Core_Shapes_IShape_System_Int32_System_Boolean_System_Boolean_">GetCells(IShape, Int32, Boolean, Boolean)</a>. That
method in facts calls this for points.
<p>
This implementation depends on <a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.html#Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCell_System_String_">GetCell(String)</a> being fast, as its
called repeatedly when incPlarents is true.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual IList&lt;Cell&gt; GetCells(IPoint p, int detailLevel, bool inclParents)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Spatial4n.Core.Shapes.IPoint</span></td>
<td><span class="parametername">p</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">detailLevel</span></td>
<td></td>
</tr>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td><span class="parametername">inclParents</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IList</span>&lt;<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a>&gt;</td>
<td></td>
</tr>
</tbody>
</table>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCells*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_Spatial4n_Core_Shapes_IShape_System_Int32_System_Boolean_System_Boolean_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetCells(Spatial4n.Core.Shapes.IShape,System.Int32,System.Boolean,System.Boolean)">GetCells(IShape, Int32, Boolean, Boolean)</h4>
<div class="markdown level1 summary"><p>Gets the intersecting cells for the specified shape, without exceeding
detail level.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual IList&lt;Cell&gt; GetCells(IShape shape, int detailLevel, bool inclParents, bool simplify)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">Spatial4n.Core.Shapes.IShape</span></td>
<td><span class="parametername">shape</span></td>
<td><p>the shape; non-null</p>
</td>
</tr>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">detailLevel</span></td>
<td><p>the maximum detail level to get cells for</p>
</td>
</tr>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td><span class="parametername">inclParents</span></td>
<td><p>if true then all parent cells of leaves are returned
too. The top world cell is never returned.</p>
</td>
</tr>
<tr>
<td><span class="xref">System.Boolean</span></td>
<td><span class="parametername">simplify</span></td>
<td><p>for non-point shapes, this will simply/aggregate sets of
complete leaves in a cell to its parent, resulting in
~20-25% fewer cells.</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Collections.Generic.IList</span>&lt;<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.Cell.html">Cell</a>&gt;</td>
<td><p>a set of cells (no dups), sorted, immutable, non-null</p>
</td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_Spatial4n_Core_Shapes_IShape_System_Int32_System_Boolean_System_Boolean__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Gets the intersecting cells for the specified shape, without exceeding
detail level. If a cell is within the query shape then it&apos;s marked as a
leaf and none of its children are added.
<p>
This implementation checks if shape is a <span class="xref">Spatial4n.Core.Shapes.IPoint</span> and if so returns
<a class="xref" href="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.html#Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetCells_Spatial4n_Core_Shapes_IPoint_System_Int32_System_Boolean_">GetCells(IPoint, Int32, Boolean)</a>.</p>
</div>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetDistanceForLevel_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetDistanceForLevel*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetDistanceForLevel_System_Int32_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetDistanceForLevel(System.Int32)">GetDistanceForLevel(Int32)</h4>
<div class="markdown level1 summary"><p>Given a cell having the specified level, returns the distance from opposite
corners.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public virtual double GetDistanceForLevel(int level)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><span class="parametername">level</span></td>
<td><p>[1 to maxLevels]</p>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Double</span></td>
<td><blockquote><p>0</p>
</blockquote>
</td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetDistanceForLevel_System_Int32__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Given a cell having the specified level, returns the distance from opposite
corners. Since this might very depending on where the cell is, this method
may over-estimate.</p>
</div>
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<a id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetLevelForDistance_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetLevelForDistance*"></a>
<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetLevelForDistance_System_Double_" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.GetLevelForDistance(System.Double)">GetLevelForDistance(Double)</h4>
<div class="markdown level1 summary"><p>Returns the level of the largest grid in which its longest side is less
than or equal to the provided distance (in degrees).</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public abstract int GetLevelForDistance(double dist)</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Name</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Double</span></td>
<td><span class="parametername">dist</span></td>
<td><blockquote><p>= 0</p>
</blockquote>
</td>
</tr>
</tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.Int32</span></td>
<td><p>level [1 to maxLevels]</p>
</td>
</tr>
</tbody>
</table>
<h5 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_GetLevelForDistance_System_Double__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>Returns the level of the largest grid in which its longest side is less
than or equal to the provided distance (in degrees). Consequently
<code data-dev-comment-type="paramref" class="paramref">dist</code> acts as an error epsilon declaring the amount of detail needed in the
grid, such that you can get a grid with just the right amount of
precision.</p>
</div>
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<h4 id="Lucene_Net_Spatial_Prefix_Tree_SpatialPrefixTree_ToString" data-uid="Lucene.Net.Spatial.Prefix.Tree.SpatialPrefixTree.ToString">ToString()</h4>
<div class="markdown level1 summary"></div>
<div class="markdown level1 conceptual"></div>
<h5 class="decalaration">Declaration</h5>
<div class="codewrapper">
<pre><code class="lang-csharp hljs">public override string ToString()</code></pre>
</div>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-striped table-condensed">
<thead>
<tr>
<th>Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><span class="xref">System.String</span></td>
<td></td>
</tr>
</tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><span class="xref">System.Object.ToString()</span></div>
</article>
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