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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar"></a><a name="structboost_1_1geometry_1_1index_1_1rstar"></a><a class="link" href="boost__geometry__index__rstar.html" title="boost::geometry::index::rstar">boost::geometry::index::rstar</a> |
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| <a class="indexterm" name="idp129157648"></a><a class="indexterm" name="idp129158336"></a><a class="indexterm" name="idp129159024"></a><a class="indexterm" name="idp129159712"></a> |
| R*-tree creation algorithm parameters. |
| </p> |
| <h6> |
| <a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.h0"></a> |
| <span class="phrase"><a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.header"></a></span><a class="link" href="boost__geometry__index__rstar.html#geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.header">Header</a> |
| </h6> |
| <p> |
| <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">index</span><span class="special">/</span><span class="identifier">parameters</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> |
| </p> |
| <h6> |
| <a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.h1"></a> |
| <span class="phrase"><a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.synopsis"></a></span><a class="link" href="boost__geometry__index__rstar.html#geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.synopsis">Synopsis</a> |
| </h6> |
| <pre class="programlisting"><code class="computeroutput"><span class="keyword">template</span><span class="special"><</span></code><code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">MaxElements</span></code><code class="computeroutput"><span class="special">,</span></code> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">MinElements</span></code> = <span class="emphasis"><em>default</em></span><code class="computeroutput"><span class="special">,</span></code> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">ReinsertedElements</span></code> = <span class="emphasis"><em>default</em></span><code class="computeroutput"><span class="special">,</span></code> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">OverlapCostThreshold</span></code> = <code class="computeroutput"><span class="number">32</span></code><code class="computeroutput"><span class="special">></span></code> |
| <code class="computeroutput"><span class="keyword">struct</span> <span class="identifier">rstar</span></code> |
| <code class="computeroutput"><span class="special">{</span></code> |
| <code class="computeroutput"> <span class="comment">// ...</span></code> |
| <code class="computeroutput"><span class="special">};</span></code> |
| </pre> |
| <h6> |
| <a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.h2"></a> |
| <span class="phrase"><a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.template_parameter_s_"></a></span><a class="link" href="boost__geometry__index__rstar.html#geometry.reference.spatial_indexes.parameters.boost__geometry__index__rstar.template_parameter_s_">Template |
| parameter(s)</a> |
| </h6> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Parameter |
| </p> |
| </th> |
| <th> |
| <p> |
| Description |
| </p> |
| </th> |
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| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">MaxElements</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Maximum number of elements in nodes. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">MinElements</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Minimum number of elements in nodes. Default: 0.3*Max. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">ReinsertedElements</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| The number of elements reinserted by forced reinsertions algorithm. |
| If 0 forced reinsertions are disabled. Maximum value is Max+1-Min. |
| Greater values are truncated. Default: 0.3*Max. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">OverlapCostThreshold</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| The number of most suitable leafs taken into account while |
| choosing the leaf node to which currently inserted value will |
| be added. If value is in range (0, MaxElements) - the algorithm |
| calculates nearly minimum overlap cost, otherwise all leafs |
| are analyzed and true minimum overlap cost is calculated. Default: |
| 32. |
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| <td align="right"><div class="copyright-footer">Copyright © 2009-2015 Barend Gehrels, Bruno Lalande, |
| Mateusz Loskot, Adam Wulkiewicz, Oracle and/or its affiliates<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) |
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