1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>boost::geometry::index::quadratic</title> 5<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../index.html" title="Chapter 1. Geometry"> 8<link rel="up" href="../parameters.html" title="R-tree parameters (boost::geometry::index::)"> 9<link rel="prev" href="boost__geometry__index__linear.html" title="boost::geometry::index::linear"> 10<link rel="next" href="boost__geometry__index__rstar.html" title="boost::geometry::index::rstar"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="boost__geometry__index__linear.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../parameters.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost__geometry__index__rstar.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic"></a><a name="structboost_1_1geometry_1_1index_1_1quadratic"></a><a class="link" href="boost__geometry__index__quadratic.html" title="boost::geometry::index::quadratic">boost::geometry::index::quadratic</a> 28</h5></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635673479440"></a><a class="indexterm" name="idm45635673478752"></a><a class="indexterm" name="idm45635673478064"></a><a class="indexterm" name="idm45635673477376"></a> 31Quadratic r-tree creation algorithm parameters. 32 </p> 33<h6> 34<a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.h0"></a> 35 <span class="phrase"><a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.header"></a></span><a class="link" href="boost__geometry__index__quadratic.html#geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.header">Header</a> 36 </h6> 37<p> 38 <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> 39 </p> 40<h6> 41<a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.h1"></a> 42 <span class="phrase"><a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.synopsis"></a></span><a class="link" href="boost__geometry__index__quadratic.html#geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.synopsis">Synopsis</a> 43 </h6> 44<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> 45<code class="computeroutput"><span class="keyword">struct</span> <span class="identifier">quadratic</span></code> 46<code class="computeroutput"><span class="special">{</span></code> 47<code class="computeroutput"> <span class="comment">// ...</span></code> 48<code class="computeroutput"><span class="special">};</span></code> 49</pre> 50<h6> 51<a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.h2"></a> 52 <span class="phrase"><a name="geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.template_parameter_s_"></a></span><a class="link" href="boost__geometry__index__quadratic.html#geometry.reference.spatial_indexes.parameters.boost__geometry__index__quadratic.template_parameter_s_">Template 53 parameter(s)</a> 54 </h6> 55<div class="informaltable"><table class="table"> 56<colgroup> 57<col> 58<col> 59</colgroup> 60<thead><tr> 61<th> 62 <p> 63 Parameter 64 </p> 65 </th> 66<th> 67 <p> 68 Description 69 </p> 70 </th> 71</tr></thead> 72<tbody> 73<tr> 74<td> 75 <p> 76 <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">MaxElements</span></code> 77 </p> 78 </td> 79<td> 80 <p> 81 Maximum number of elements in nodes. 82 </p> 83 </td> 84</tr> 85<tr> 86<td> 87 <p> 88 <code class="computeroutput"><span class="identifier">size_t</span> <span class="identifier">MinElements</span></code> 89 </p> 90 </td> 91<td> 92 <p> 93 Minimum number of elements in nodes. Default: 0.3*Max. 94 </p> 95 </td> 96</tr> 97</tbody> 98</table></div> 99</div> 100<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 101<td align="left"></td> 102<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 103 Wulkiewicz, Oracle and/or its affiliates<p> 104 Distributed under the Boost Software License, Version 1.0. (See accompanying 105 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>) 106 </p> 107</div></td> 108</tr></table> 109<hr> 110<div class="spirit-nav"> 111<a accesskey="p" href="boost__geometry__index__linear.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../parameters.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost__geometry__index__rstar.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 112</div> 113</body> 114</html> 115
