1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>model::multi_polygon</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="../models.html" title="Models"> 9<link rel="prev" href="model_multi_linestring.html" title="model::multi_linestring"> 10<link rel="next" href="model_box.html" title="model::box"> 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="model_multi_linestring.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../models.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="model_box.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="geometry.reference.models.model_multi_polygon"></a><a class="link" href="model_multi_polygon.html" title="model::multi_polygon">model::multi_polygon</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635679149472"></a><a class="indexterm" name="idm45635679148784"></a> 31multi_polygon, a collection of polygons 32 </p> 33<h6> 34<a name="geometry.reference.models.model_multi_polygon.h0"></a> 35 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.description"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.description">Description</a> 36 </h6> 37<p> 38 Multi-polygon can be used to group polygons belonging to each other, e.g. 39 Hawaii 40 </p> 41<h6> 42<a name="geometry.reference.models.model_multi_polygon.h1"></a> 43 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.model_of"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.model_of">Model 44 of</a> 45 </h6> 46<p> 47 <a class="link" href="../concepts/concept_multi_polygon.html" title="MultiPolygon Concept">MultiPolygon 48 Concept</a> 49 </p> 50<h6> 51<a name="geometry.reference.models.model_multi_polygon.h2"></a> 52 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.synopsis"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.synopsis">Synopsis</a> 53 </h6> 54<p> 55</p> 56<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Polygon</span><span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span><span class="special">,</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> <span class="identifier">Container</span><span class="special">,</span> <span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <span class="special">></span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">></span> 57<span class="keyword">class</span> <span class="identifier">model</span><span class="special">::</span><span class="identifier">multi_polygon</span> 58 <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">Container</span><span class="special"><</span> <span class="identifier">Polygon</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special"><</span> <span class="identifier">Polygon</span> <span class="special">></span> <span class="special">></span> 59<span class="special">{</span> 60 <span class="comment">// ...</span> 61<span class="special">};</span> 62</pre> 63<p> 64 </p> 65<h6> 66<a name="geometry.reference.models.model_multi_polygon.h3"></a> 67 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.template_parameter_s_"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.template_parameter_s_">Template 68 parameter(s)</a> 69 </h6> 70<div class="informaltable"><table class="table"> 71<colgroup> 72<col> 73<col> 74<col> 75</colgroup> 76<thead><tr> 77<th> 78 <p> 79 Parameter 80 </p> 81 </th> 82<th> 83 <p> 84 Default 85 </p> 86 </th> 87<th> 88 <p> 89 Description 90 </p> 91 </th> 92</tr></thead> 93<tbody> 94<tr> 95<td> 96 <p> 97 typename Polygon 98 </p> 99 </td> 100<td> 101 </td> 102<td> 103 </td> 104</tr> 105<tr> 106<td> 107 <p> 108 template< typename, typename > class Container 109 </p> 110 </td> 111<td> 112 <p> 113 std::vector 114 </p> 115 </td> 116<td> 117 </td> 118</tr> 119<tr> 120<td> 121 <p> 122 template< typename > class Allocator 123 </p> 124 </td> 125<td> 126 <p> 127 std::allocator 128 </p> 129 </td> 130<td> 131 </td> 132</tr> 133</tbody> 134</table></div> 135<h6> 136<a name="geometry.reference.models.model_multi_polygon.h4"></a> 137 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.constructor_s_"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.constructor_s_">Constructor(s)</a> 138 </h6> 139<div class="informaltable"><table class="table"> 140<colgroup> 141<col> 142<col> 143<col> 144</colgroup> 145<thead><tr> 146<th> 147 <p> 148 Function 149 </p> 150 </th> 151<th> 152 <p> 153 Description 154 </p> 155 </th> 156<th> 157 <p> 158 Parameters 159 </p> 160 </th> 161</tr></thead> 162<tbody> 163<tr> 164<td> 165 <p> 166</p> 167<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">multi_polygon</span><span class="special">()</span></pre> 168<p> 169 </p> 170 </td> 171<td> 172 <p> 173 Default constructor, creating an empty multi_polygon. 174 </p> 175 </td> 176<td> 177 </td> 178</tr> 179<tr> 180<td> 181 <p> 182</p> 183<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">multi_polygon</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">initializer_list</span><span class="special"><</span> <span class="identifier">Polygon</span> <span class="special">></span> <span class="identifier">l</span><span class="special">)</span></pre> 184<p> 185 </p> 186 </td> 187<td> 188 <p> 189 Constructor taking std::initializer_list, filling the multi_polygon. 190 </p> 191 </td> 192<td> 193 <p> 194 <span class="bold"><strong>std::initializer_list< Polygon ></strong></span>: 195 <span class="emphasis"><em>l</em></span>: 196 </p> 197 </td> 198</tr> 199</tbody> 200</table></div> 201<h6> 202<a name="geometry.reference.models.model_multi_polygon.h5"></a> 203 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.header"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.header">Header</a> 204 </h6> 205<p> 206 Either 207 </p> 208<p> 209 <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">geometries</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 210 </p> 211<p> 212 Or 213 </p> 214<p> 215 <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">geometries</span><span class="special">/</span><span class="identifier">multi_polygon</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 216 </p> 217<h6> 218<a name="geometry.reference.models.model_multi_polygon.h6"></a> 219 <span class="phrase"><a name="geometry.reference.models.model_multi_polygon.examples"></a></span><a class="link" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.examples">Examples</a> 220 </h6> 221<p> 222 Declaration and use of the Boost.Geometry model::multi_polygon, modelling 223 the MultiPolygon Concept 224 </p> 225<p> 226</p> 227<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> 228<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">hpp</span><span class="special">></span> 229<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">geometries</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 230 231<span class="keyword">namespace</span> <span class="identifier">bg</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">;</span> 232 233<span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span> 234<span class="special">{</span> 235 <span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">point</span><span class="special"><</span><span class="keyword">double</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">cs</span><span class="special">::</span><span class="identifier">cartesian</span><span class="special">></span> <span class="identifier">point_t</span><span class="special">;</span> 236 <span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">polygon</span><span class="special"><</span><span class="identifier">point_t</span><span class="special">></span> <span class="identifier">polygon_t</span><span class="special">;</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c0" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c1"><img src="../../../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a> 237 <span class="keyword">typedef</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">multi_polygon</span><span class="special"><</span><span class="identifier">polygon_t</span><span class="special">></span> <span class="identifier">mpolygon_t</span><span class="special">;</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c2" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c3"><img src="../../../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a> 238 239 <span class="identifier">mpolygon_t</span> <span class="identifier">mpoly1</span><span class="special">;</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c4" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c5"><img src="../../../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a> 240 241<span class="preprocessor">#if</span> <span class="special">!</span><span class="identifier">defined</span><span class="special">(</span><span class="identifier">BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX</span><span class="special">)</span> <span class="special">\</span> 242 <span class="special">&&</span> <span class="special">!</span><span class="identifier">defined</span><span class="special">(</span><span class="identifier">BOOST_NO_CXX11_HDR_INITIALIZER_LIST</span><span class="special">)</span> 243 244 <span class="identifier">mpolygon_t</span> <span class="identifier">mpoly2</span><span class="special">{{{{</span><span class="number">0.0</span><span class="special">,</span> <span class="number">0.0</span><span class="special">},</span> <span class="special">{</span><span class="number">0.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">},</span> <span class="special">{</span><span class="number">5.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">},</span> <span class="special">{</span><span class="number">5.0</span><span class="special">,</span> <span class="number">0.0</span><span class="special">},</span> <span class="special">{</span><span class="number">0.0</span><span class="special">,</span> <span class="number">0.0</span><span class="special">}},</span> 245 <span class="special">{{</span><span class="number">1.0</span><span class="special">,</span> <span class="number">1.0</span><span class="special">},</span> <span class="special">{</span><span class="number">4.0</span><span class="special">,</span> <span class="number">1.0</span><span class="special">},</span> <span class="special">{</span><span class="number">4.0</span><span class="special">,</span> <span class="number">4.0</span><span class="special">},</span> <span class="special">{</span><span class="number">1.0</span><span class="special">,</span> <span class="number">4.0</span><span class="special">},</span> <span class="special">{</span><span class="number">1.0</span><span class="special">,</span> <span class="number">1.0</span><span class="special">}}},</span> 246 <span class="special">{{{</span><span class="number">5.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">},</span> <span class="special">{</span><span class="number">5.0</span><span class="special">,</span> <span class="number">6.0</span><span class="special">},</span> <span class="special">{</span><span class="number">6.0</span><span class="special">,</span> <span class="number">6.0</span><span class="special">},</span> <span class="special">{</span><span class="number">6.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">},</span> <span class="special">{</span><span class="number">5.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">}}}};</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c6" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c7"><img src="../../../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a> 247 248<span class="preprocessor">#endif</span> 249 250 <span class="identifier">mpoly1</span><span class="special">.</span><span class="identifier">resize</span><span class="special">(</span><span class="number">2</span><span class="special">);</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c8" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c9"><img src="../../../../../../../doc/src/images/callouts/5.png" alt="5" border="0"></a> 251 252 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">0.0</span><span class="special">,</span> <span class="number">0.0</span><span class="special">));</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c10" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c11"><img src="../../../../../../../doc/src/images/callouts/6.png" alt="6" border="0"></a> 253 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">0.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">));</span> 254 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">5.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">));</span> 255 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">5.0</span><span class="special">,</span> <span class="number">0.0</span><span class="special">));</span> 256 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">0.0</span><span class="special">,</span> <span class="number">0.0</span><span class="special">));</span> 257 258 <span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">inners</span><span class="special">().</span><span class="identifier">resize</span><span class="special">(</span><span class="number">1</span><span class="special">);</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c12" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c13"><img src="../../../../../../../doc/src/images/callouts/7.png" alt="7" border="0"></a> 259 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">inners</span><span class="special">()[</span><span class="number">0</span><span class="special">],</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">1.0</span><span class="special">,</span> <span class="number">1.0</span><span class="special">));</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c14" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c15"><img src="../../../../../../../doc/src/images/callouts/8.png" alt="8" border="0"></a> 260 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">inners</span><span class="special">()[</span><span class="number">0</span><span class="special">],</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">4.0</span><span class="special">,</span> <span class="number">1.0</span><span class="special">));</span> 261 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">inners</span><span class="special">()[</span><span class="number">0</span><span class="special">],</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">4.0</span><span class="special">,</span> <span class="number">4.0</span><span class="special">));</span> 262 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">inners</span><span class="special">()[</span><span class="number">0</span><span class="special">],</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">1.0</span><span class="special">,</span> <span class="number">4.0</span><span class="special">));</span> 263 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">0</span><span class="special">].</span><span class="identifier">inners</span><span class="special">()[</span><span class="number">0</span><span class="special">],</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">1.0</span><span class="special">,</span> <span class="number">1.0</span><span class="special">));</span> 264 265 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">5.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">));</span> <a class="co" name="geometry.reference.models.model_multi_polygon.c16" href="model_multi_polygon.html#geometry.reference.models.model_multi_polygon.c17"><img src="../../../../../../../doc/src/images/callouts/9.png" alt="9" border="0"></a> 266 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">5.0</span><span class="special">,</span> <span class="number">6.0</span><span class="special">));</span> 267 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">6.0</span><span class="special">,</span> <span class="number">6.0</span><span class="special">));</span> 268 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">6.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">));</span> 269 <span class="identifier">bg</span><span class="special">::</span><span class="identifier">append</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">[</span><span class="number">1</span><span class="special">].</span><span class="identifier">outer</span><span class="special">(),</span> <span class="identifier">point_t</span><span class="special">(</span><span class="number">5.0</span><span class="special">,</span> <span class="number">5.0</span><span class="special">));</span> 270 271 <span class="keyword">double</span> <span class="identifier">a</span> <span class="special">=</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">area</span><span class="special">(</span><span class="identifier">mpoly1</span><span class="special">);</span> 272 273 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="identifier">a</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 274 275 <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span> 276<span class="special">}</span> 277</pre> 278<p> 279 </p> 280<div class="calloutlist"><table border="0" summary="Callout list"> 281<tr> 282<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c1"></a><a href="#geometry.reference.models.model_multi_polygon.c0"><img src="../../../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a> </p></td> 283<td valign="top" align="left"><p> 284 Default parameters, clockwise, closed polygon. 285 </p></td> 286</tr> 287<tr> 288<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c3"></a><a href="#geometry.reference.models.model_multi_polygon.c2"><img src="../../../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a> </p></td> 289<td valign="top" align="left"><p> 290 Clockwise, closed multi_polygon. 291 </p></td> 292</tr> 293<tr> 294<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c5"></a><a href="#geometry.reference.models.model_multi_polygon.c4"><img src="../../../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a> </p></td> 295<td valign="top" align="left"><p> 296 Default-construct a multi_polygon. 297 </p></td> 298</tr> 299<tr> 300<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c7"></a><a href="#geometry.reference.models.model_multi_polygon.c6"><img src="../../../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a> </p></td> 301<td valign="top" align="left"><p> 302 Construct a multi_polygon containing two polygons, using C++11 unified 303 initialization syntax. 304 </p></td> 305</tr> 306<tr> 307<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c9"></a><a href="#geometry.reference.models.model_multi_polygon.c8"><img src="../../../../../../../doc/src/images/callouts/5.png" alt="5" border="0"></a> </p></td> 308<td valign="top" align="left"><p> 309 Resize a multi_polygon, store two polygons. 310 </p></td> 311</tr> 312<tr> 313<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c11"></a><a href="#geometry.reference.models.model_multi_polygon.c10"><img src="../../../../../../../doc/src/images/callouts/6.png" alt="6" border="0"></a> </p></td> 314<td valign="top" align="left"><p> 315 Append point to the exterior ring of the first polygon. 316 </p></td> 317</tr> 318<tr> 319<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c13"></a><a href="#geometry.reference.models.model_multi_polygon.c12"><img src="../../../../../../../doc/src/images/callouts/7.png" alt="7" border="0"></a> </p></td> 320<td valign="top" align="left"><p> 321 Resize a container of interior rings of the first polygon. 322 </p></td> 323</tr> 324<tr> 325<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c15"></a><a href="#geometry.reference.models.model_multi_polygon.c14"><img src="../../../../../../../doc/src/images/callouts/8.png" alt="8" border="0"></a> </p></td> 326<td valign="top" align="left"><p> 327 Append point to the interior ring of the first polygon. 328 </p></td> 329</tr> 330<tr> 331<td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_multi_polygon.c17"></a><a href="#geometry.reference.models.model_multi_polygon.c16"><img src="../../../../../../../doc/src/images/callouts/9.png" alt="9" border="0"></a> </p></td> 332<td valign="top" align="left"><p> 333 Append point to the exterior ring of the second polygon. 334 </p></td> 335</tr> 336</table></div> 337<p> 338 Output: 339 </p> 340<pre class="programlisting">17 341</pre> 342</div> 343<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 344<td align="left"></td> 345<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 346 Wulkiewicz, Oracle and/or its affiliates<p> 347 Distributed under the Boost Software License, Version 1.0. (See accompanying 348 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>) 349 </p> 350</div></td> 351</tr></table> 352<hr> 353<div class="spirit-nav"> 354<a accesskey="p" href="model_multi_linestring.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../models.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="model_box.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 355</div> 356</body> 357</html> 358
