libs/geometry/doc/html/geometry/reference/models/model_box.html

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  25 <div class="section">
  26 <div class="titlepage"><div><div><h4 class="title">
  27 <a name="geometry.reference.models.model_box"></a><a class="link" href="model_box.html" title="model::box">model::box</a>
  28 </h4></div></div></div>
  29 <p>
  30           <a class="indexterm" name="idm46186981968720"></a><a class="indexterm" name="idm46186981968032"></a>
  31 Class box: defines a box made of two describing points.
  32         </p>
  33 <h6>
  34 <a name="geometry.reference.models.model_box.h0"></a>
  35           <span class="phrase"><a name="geometry.reference.models.model_box.description"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.description">Description</a>
  36         </h6>
  37 <p>
  38           Box is always described by a min_corner() and a max_corner() point. If
  39           another rectangle is used, use linear_ring or polygon.
  40         </p>
  41 <h6>
  42 <a name="geometry.reference.models.model_box.h1"></a>
  43           <span class="phrase"><a name="geometry.reference.models.model_box.model_of"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.model_of">Model
  44           of</a>
  45         </h6>
  46 <p>
  47           <a class="link" href="../concepts/concept_box.html" title="Box Concept">Box Concept</a>
  48         </p>
  49 <h6>
  50 <a name="geometry.reference.models.model_box.h2"></a>
  51           <span class="phrase"><a name="geometry.reference.models.model_box.synopsis"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.synopsis">Synopsis</a>
  52         </h6>
  53 <p>
  54 </p>
  55 <pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Point</span><span class="special">&gt;</span>
  56 <span class="keyword">class</span> <span class="identifier">model</span><span class="special">::</span><span class="identifier">box</span>
  57 <span class="special">{</span>
  58   <span class="comment">// ...</span>
  59 <span class="special">};</span>
  60 </pre>
  61 <p>
  62         </p>
  63 <h6>
  64 <a name="geometry.reference.models.model_box.h3"></a>
  65           <span class="phrase"><a name="geometry.reference.models.model_box.template_parameter_s_"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.template_parameter_s_">Template
  66           parameter(s)</a>
  67         </h6>
  68 <div class="informaltable"><table class="table">
  69 <colgroup>
  70 <col>
  71 <col>
  72 </colgroup>
  73 <thead><tr>
  74 <th>
  75                   <p>
  76                     Parameter
  77                   </p>
  78                 </th>
  79 <th>
  80                   <p>
  81                     Description
  82                   </p>
  83                 </th>
  84 </tr></thead>
  85 <tbody><tr>
  86 <td>
  87                   <p>
  88                     typename Point
  89                   </p>
  90                 </td>
  91 <td>
  92                   <p>
  93                     point type. The box takes a point type as template parameter.
  94                     The point type can be any point type. It can be 2D but can also
  95                     be 3D or more dimensional. The box can also take a latlong point
  96                     type as template parameter.
  97                   </p>
  98                 </td>
  99 </tr></tbody>
 100 </table></div>
 101 <h6>
 102 <a name="geometry.reference.models.model_box.h4"></a>
 103           <span class="phrase"><a name="geometry.reference.models.model_box.constructor_s_"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.constructor_s_">Constructor(s)</a>
 104         </h6>
 105 <div class="informaltable"><table class="table">
 106 <colgroup>
 107 <col>
 108 <col>
 109 <col>
 110 </colgroup>
 111 <thead><tr>
 112 <th>
 113                   <p>
 114                     Function
 115                   </p>
 116                 </th>
 117 <th>
 118                   <p>
 119                     Description
 120                   </p>
 121                 </th>
 122 <th>
 123                   <p>
 124                     Parameters
 125                   </p>
 126                 </th>
 127 </tr></thead>
 128 <tbody>
 129 <tr>
 130 <td>
 131                   <p>
 132 </p>
 133 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">box</span><span class="special">()</span></pre>
 134 <p>
 135                   </p>
 136                 </td>
 137 <td>
 138                   <p>
 139                     Default constructor, no initialization.
 140                   </p>
 141                 </td>
 142 <td>
 143                 </td>
 144 </tr>
 145 <tr>
 146 <td>
 147                   <p>
 148 </p>
 149 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">box</span><span class="special">(</span><span class="identifier">Point</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">min_corner</span><span class="special">,</span> <span class="identifier">Point</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">max_corner</span><span class="special">)</span></pre>
 150 <p>
 151                   </p>
 152                 </td>
 153 <td>
 154                   <p>
 155                     Constructor taking the minimum corner point and the maximum corner
 156                     point.
 157                   </p>
 158                 </td>
 159 <td>
 160                   <p>
 161                     <span class="bold"><strong>Point const &amp;</strong></span>: <span class="emphasis"><em>min_corner</em></span>:
 162                   </p>
 163                   <p>
 164                     <span class="bold"><strong>Point const &amp;</strong></span>: <span class="emphasis"><em>max_corner</em></span>:
 165                   </p>
 166                 </td>
 167 </tr>
 168 </tbody>
 169 </table></div>
 170 <h6>
 171 <a name="geometry.reference.models.model_box.h5"></a>
 172           <span class="phrase"><a name="geometry.reference.models.model_box.member_function_s_"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.member_function_s_">Member
 173           Function(s)</a>
 174         </h6>
 175 <div class="informaltable"><table class="table">
 176 <colgroup>
 177 <col>
 178 <col>
 179 <col>
 180 <col>
 181 </colgroup>
 182 <thead><tr>
 183 <th>
 184                   <p>
 185                     Function
 186                   </p>
 187                 </th>
 188 <th>
 189                   <p>
 190                     Description
 191                   </p>
 192                 </th>
 193 <th>
 194                   <p>
 195                     Parameters
 196                   </p>
 197                 </th>
 198 <th>
 199                   <p>
 200                     Returns
 201                   </p>
 202                 </th>
 203 </tr></thead>
 204 <tbody>
 205 <tr>
 206 <td>
 207                   <p>
 208 </p>
 209 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">Point</span> <span class="keyword">const</span>  <span class="special">&amp;</span> <span class="identifier">min_corner</span><span class="special">()</span></pre>
 210 <p>
 211                   </p>
 212                 </td>
 213 <td>
 214                 </td>
 215 <td>
 216                 </td>
 217 <td>
 218                 </td>
 219 </tr>
 220 <tr>
 221 <td>
 222                   <p>
 223 </p>
 224 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">Point</span> <span class="keyword">const</span>  <span class="special">&amp;</span> <span class="identifier">max_corner</span><span class="special">()</span></pre>
 225 <p>
 226                   </p>
 227                 </td>
 228 <td>
 229                 </td>
 230 <td>
 231                 </td>
 232 <td>
 233                 </td>
 234 </tr>
 235 <tr>
 236 <td>
 237                   <p>
 238 </p>
 239 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">Point</span> <span class="special">&amp;</span> <span class="identifier">min_corner</span><span class="special">()</span></pre>
 240 <p>
 241                   </p>
 242                 </td>
 243 <td>
 244                 </td>
 245 <td>
 246                 </td>
 247 <td>
 248                 </td>
 249 </tr>
 250 <tr>
 251 <td>
 252                   <p>
 253 </p>
 254 <pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">Point</span> <span class="special">&amp;</span> <span class="identifier">max_corner</span><span class="special">()</span></pre>
 255 <p>
 256                   </p>
 257                 </td>
 258 <td>
 259                 </td>
 260 <td>
 261                 </td>
 262 <td>
 263                 </td>
 264 </tr>
 265 </tbody>
 266 </table></div>
 267 <h6>
 268 <a name="geometry.reference.models.model_box.h6"></a>
 269           <span class="phrase"><a name="geometry.reference.models.model_box.header"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.header">Header</a>
 270         </h6>
 271 <p>
 272           Either
 273         </p>
 274 <p>
 275           <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special">&lt;</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">&gt;</span></code>
 276         </p>
 277 <p>
 278           Or
 279         </p>
 280 <p>
 281           <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special">&lt;</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">box</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
 282         </p>
 283 <h6>
 284 <a name="geometry.reference.models.model_box.h7"></a>
 285           <span class="phrase"><a name="geometry.reference.models.model_box.examples"></a></span><a class="link" href="model_box.html#geometry.reference.models.model_box.examples">Examples</a>
 286         </h6>
 287 <p>
 288           Declaration and use of the Boost.Geometry model::box, modelling the Box
 289           Concept
 290         </p>
 291 <p>
 292 </p>
 293 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">iostream</span><span class="special">&gt;</span>
 294 <span class="preprocessor">#include</span> <span class="special">&lt;</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">&gt;</span>
 295
 296 <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>
 297
 298 <span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
 299 <span class="special">{</span>
 300     <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">&lt;</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">&gt;</span> <span class="identifier">point_t</span><span class="special">;</span>
 301     <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">box</span><span class="special">&lt;</span><span class="identifier">point_t</span><span class="special">&gt;</span> <span class="identifier">box_t</span><span class="special">;</span>
 302
 303     <span class="identifier">box_t</span> <span class="identifier">box1</span><span class="special">;</span> <a class="co" name="geometry.reference.models.model_box.c0" href="model_box.html#geometry.reference.models.model_box.c1"><img src="../../../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a>
 304     <span class="identifier">box_t</span> <span class="identifier">box2</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> <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_box.c2" href="model_box.html#geometry.reference.models.model_box.c3"><img src="../../../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a>
 305
 306 <span class="preprocessor">#ifndef</span> <span class="identifier">BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX</span>
 307
 308     <span class="identifier">box_t</span> <span class="identifier">box3</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">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_box.c4" href="model_box.html#geometry.reference.models.model_box.c5"><img src="../../../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a>
 309
 310 <span class="preprocessor">#endif</span>
 311
 312     <span class="identifier">bg</span><span class="special">::</span><span class="identifier">set</span><span class="special">&lt;</span><span class="identifier">bg</span><span class="special">::</span><span class="identifier">min_corner</span><span class="special">,</span> <span class="number">0</span><span class="special">&gt;(</span><span class="identifier">box1</span><span class="special">,</span> <span class="number">1.0</span><span class="special">);</span> <a class="co" name="geometry.reference.models.model_box.c6" href="model_box.html#geometry.reference.models.model_box.c7"><img src="../../../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a>
 313     <span class="identifier">bg</span><span class="special">::</span><span class="identifier">set</span><span class="special">&lt;</span><span class="identifier">bg</span><span class="special">::</span><span class="identifier">min_corner</span><span class="special">,</span> <span class="number">1</span><span class="special">&gt;(</span><span class="identifier">box1</span><span class="special">,</span> <span class="number">2.0</span><span class="special">);</span>
 314     <span class="identifier">box1</span><span class="special">.</span><span class="identifier">max_corner</span><span class="special">().</span><span class="identifier">set</span><span class="special">&lt;</span><span class="number">0</span><span class="special">&gt;(</span><span class="number">3.0</span><span class="special">);</span> <a class="co" name="geometry.reference.models.model_box.c8" href="model_box.html#geometry.reference.models.model_box.c9"><img src="../../../../../../../doc/src/images/callouts/5.png" alt="5" border="0"></a>
 315     <span class="identifier">box1</span><span class="special">.</span><span class="identifier">max_corner</span><span class="special">().</span><span class="identifier">set</span><span class="special">&lt;</span><span class="number">1</span><span class="special">&gt;(</span><span class="number">4.0</span><span class="special">);</span>
 316
 317     <span class="keyword">double</span> <span class="identifier">min_x</span> <span class="special">=</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">get</span><span class="special">&lt;</span><span class="identifier">bg</span><span class="special">::</span><span class="identifier">min_corner</span><span class="special">,</span> <span class="number">0</span><span class="special">&gt;(</span><span class="identifier">box1</span><span class="special">);</span> <a class="co" name="geometry.reference.models.model_box.c10" href="model_box.html#geometry.reference.models.model_box.c11"><img src="../../../../../../../doc/src/images/callouts/6.png" alt="6" border="0"></a>
 318     <span class="keyword">double</span> <span class="identifier">min_y</span> <span class="special">=</span> <span class="identifier">bg</span><span class="special">::</span><span class="identifier">get</span><span class="special">&lt;</span><span class="identifier">bg</span><span class="special">::</span><span class="identifier">min_corner</span><span class="special">,</span> <span class="number">1</span><span class="special">&gt;(</span><span class="identifier">box1</span><span class="special">);</span>
 319     <span class="keyword">double</span> <span class="identifier">max_x</span> <span class="special">=</span> <span class="identifier">box1</span><span class="special">.</span><span class="identifier">max_corner</span><span class="special">().</span><span class="identifier">get</span><span class="special">&lt;</span><span class="number">0</span><span class="special">&gt;();</span> <a class="co" name="geometry.reference.models.model_box.c12" href="model_box.html#geometry.reference.models.model_box.c13"><img src="../../../../../../../doc/src/images/callouts/7.png" alt="7" border="0"></a>
 320     <span class="keyword">double</span> <span class="identifier">max_y</span> <span class="special">=</span> <span class="identifier">box1</span><span class="special">.</span><span class="identifier">max_corner</span><span class="special">().</span><span class="identifier">get</span><span class="special">&lt;</span><span class="number">1</span><span class="special">&gt;();</span>
 321
 322     <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">min_x</span> <span class="special">&lt;&lt;</span> <span class="string">", "</span> <span class="special">&lt;&lt;</span> <span class="identifier">min_y</span> <span class="special">&lt;&lt;</span> <span class="string">", "</span> <span class="special">&lt;&lt;</span> <span class="identifier">max_x</span> <span class="special">&lt;&lt;</span> <span class="string">", "</span> <span class="special">&lt;&lt;</span> <span class="identifier">max_y</span> <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
 323
 324     <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
 325 <span class="special">}</span>
 326 </pre>
 327 <p>
 328         </p>
 329 <div class="calloutlist"><table border="0" summary="Callout list">
 330 <tr>
 331 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c1"></a><a href="#geometry.reference.models.model_box.c0"><img src="../../../../../../../doc/src/images/callouts/1.png" alt="1" border="0"></a> </p></td>
 332 <td valign="top" align="left"><p>
 333               Default-construct a box.
 334             </p></td>
 335 </tr>
 336 <tr>
 337 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c3"></a><a href="#geometry.reference.models.model_box.c2"><img src="../../../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a> </p></td>
 338 <td valign="top" align="left"><p>
 339               Construct, assigning min and max corner point.
 340             </p></td>
 341 </tr>
 342 <tr>
 343 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c5"></a><a href="#geometry.reference.models.model_box.c4"><img src="../../../../../../../doc/src/images/callouts/3.png" alt="3" border="0"></a> </p></td>
 344 <td valign="top" align="left"><p>
 345               Construct, using C++11 unified initialization syntax.
 346             </p></td>
 347 </tr>
 348 <tr>
 349 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c7"></a><a href="#geometry.reference.models.model_box.c6"><img src="../../../../../../../doc/src/images/callouts/4.png" alt="4" border="0"></a> </p></td>
 350 <td valign="top" align="left"><p>
 351               Set a coordinate, generic.
 352             </p></td>
 353 </tr>
 354 <tr>
 355 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c9"></a><a href="#geometry.reference.models.model_box.c8"><img src="../../../../../../../doc/src/images/callouts/5.png" alt="5" border="0"></a> </p></td>
 356 <td valign="top" align="left"><p>
 357               Set a coordinate, class-specific (<span class="bold"><strong>Note</strong></span>:
 358               prefer <code class="computeroutput"><span class="identifier">bg</span><span class="special">::</span><span class="identifier">set</span><span class="special">()</span></code>).
 359             </p></td>
 360 </tr>
 361 <tr>
 362 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c11"></a><a href="#geometry.reference.models.model_box.c10"><img src="../../../../../../../doc/src/images/callouts/6.png" alt="6" border="0"></a> </p></td>
 363 <td valign="top" align="left"><p>
 364               Get a coordinate, generic.
 365             </p></td>
 366 </tr>
 367 <tr>
 368 <td width="5%" valign="top" align="left"><p><a name="geometry.reference.models.model_box.c13"></a><a href="#geometry.reference.models.model_box.c12"><img src="../../../../../../../doc/src/images/callouts/7.png" alt="7" border="0"></a> </p></td>
 369 <td valign="top" align="left"><p>
 370               Get a coordinate, class-specific (<span class="bold"><strong>Note</strong></span>:
 371               prefer <code class="computeroutput"><span class="identifier">bg</span><span class="special">::</span><span class="identifier">get</span><span class="special">()</span></code>).
 372             </p></td>
 373 </tr>
 374 </table></div>
 375 <p>
 376           Output:
 377         </p>
 378 <pre class="programlisting">1, 2, 3, 4
 379 </pre>
 380 </div>
 381 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 382 <td align="left"></td>
 383 <td align="right"><div class="copyright-footer">Copyright &#169; 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam
 384       Wulkiewicz, Oracle and/or its affiliates<p>
 385         Distributed under the Boost Software License, Version 1.0. (See accompanying
 386         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>)
 387       </p>
 388 </div></td>
 389 </tr></table>
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