1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>strategy::area::spherical</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="../strategies.html" title="Strategies"> 9<link rel="prev" href="strategy_area_cartesian.html" title="strategy::area::cartesian"> 10<link rel="next" href="strategy_area_geographic.html" title="strategy::area::geographic"> 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="strategy_area_cartesian.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strategies.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="strategy_area_geographic.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.strategies.strategy_area_spherical"></a><a class="link" href="strategy_area_spherical.html" title="strategy::area::spherical">strategy::area::spherical</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635671716016"></a><a class="indexterm" name="idm45635671715328"></a><a class="indexterm" name="idm45635671714640"></a> 31Spherical area calculation. 32 </p> 33<h6> 34<a name="geometry.reference.strategies.strategy_area_spherical.h0"></a> 35 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.description"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.description">Description</a> 36 </h6> 37<p> 38 Calculates area on the surface of a sphere using the trapezoidal rule 39 </p> 40<h6> 41<a name="geometry.reference.strategies.strategy_area_spherical.h1"></a> 42 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.synopsis"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.synopsis">Synopsis</a> 43 </h6> 44<p> 45</p> 46<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">RadiusTypeOrSphere</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">CalculationType</span><span class="special">></span> 47<span class="keyword">class</span> <span class="identifier">strategy</span><span class="special">::</span><span class="identifier">area</span><span class="special">::</span><span class="identifier">spherical</span> 48<span class="special">{</span> 49 <span class="comment">// ...</span> 50<span class="special">};</span> 51</pre> 52<p> 53 </p> 54<h6> 55<a name="geometry.reference.strategies.strategy_area_spherical.h2"></a> 56 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.template_parameter_s_"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.template_parameter_s_">Template 57 parameter(s)</a> 58 </h6> 59<div class="informaltable"><table class="table"> 60<colgroup> 61<col> 62<col> 63<col> 64</colgroup> 65<thead><tr> 66<th> 67 <p> 68 Parameter 69 </p> 70 </th> 71<th> 72 <p> 73 Default 74 </p> 75 </th> 76<th> 77 <p> 78 Description 79 </p> 80 </th> 81</tr></thead> 82<tbody> 83<tr> 84<td> 85 <p> 86 typename RadiusTypeOrSphere 87 </p> 88 </td> 89<td> 90 <p> 91 double 92 </p> 93 </td> 94<td> 95 <p> 96 numeric type for radius (of sphere, earth) or sphere model 97 </p> 98 </td> 99</tr> 100<tr> 101<td> 102 <p> 103 typename CalculationType 104 </p> 105 </td> 106<td> 107 <p> 108 void 109 </p> 110 </td> 111<td> 112 <p> 113 numeric type for calculation (e.g. high precision); if <span class="bold"><strong>void</strong></span> then it is extracted automatically 114 from the coordinate type and (if necessary) promoted to floating 115 point 116 </p> 117 </td> 118</tr> 119</tbody> 120</table></div> 121<h6> 122<a name="geometry.reference.strategies.strategy_area_spherical.h3"></a> 123 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.constructor_s_"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.constructor_s_">Constructor(s)</a> 124 </h6> 125<div class="informaltable"><table class="table"> 126<colgroup> 127<col> 128<col> 129<col> 130</colgroup> 131<thead><tr> 132<th> 133 <p> 134 Function 135 </p> 136 </th> 137<th> 138 <p> 139 Description 140 </p> 141 </th> 142<th> 143 <p> 144 Parameters 145 </p> 146 </th> 147</tr></thead> 148<tbody> 149<tr> 150<td> 151 <p> 152</p> 153<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">spherical</span><span class="special">()</span></pre> 154<p> 155 </p> 156 </td> 157<td> 158 </td> 159<td> 160 </td> 161</tr> 162<tr> 163<td> 164 <p> 165</p> 166<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">RadiusOrSphere</span><span class="special">></span> 167<span class="identifier">spherical</span><span class="special">(</span><span class="identifier">RadiusOrSphere</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">radius_or_sphere</span><span class="special">)</span></pre> 168<p> 169 </p> 170 </td> 171<td> 172 </td> 173<td> 174 <p> 175 <span class="bold"><strong>RadiusOrSphere const &</strong></span>: 176 <span class="emphasis"><em>radius_or_sphere</em></span>: 177 </p> 178 </td> 179</tr> 180</tbody> 181</table></div> 182<h6> 183<a name="geometry.reference.strategies.strategy_area_spherical.h4"></a> 184 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.member_function_s_"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.member_function_s_">Member 185 Function(s)</a> 186 </h6> 187<div class="informaltable"><table class="table"> 188<colgroup> 189<col> 190<col> 191<col> 192<col> 193</colgroup> 194<thead><tr> 195<th> 196 <p> 197 Function 198 </p> 199 </th> 200<th> 201 <p> 202 Description 203 </p> 204 </th> 205<th> 206 <p> 207 Parameters 208 </p> 209 </th> 210<th> 211 <p> 212 Returns 213 </p> 214 </th> 215</tr></thead> 216<tbody> 217<tr> 218<td> 219 <p> 220</p> 221<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">PointOfSegment</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Geometry</span><span class="special">></span> 222<span class="keyword">void</span> <span class="identifier">apply</span><span class="special">(</span><span class="identifier">PointOfSegment</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p1</span><span class="special">,</span> <span class="identifier">PointOfSegment</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p2</span><span class="special">,</span> <span class="identifier">state</span><span class="special"><</span> <span class="identifier">Geometry</span> <span class="special">></span> <span class="special">&</span> <span class="identifier">st</span><span class="special">)</span></pre> 223<p> 224 </p> 225 </td> 226<td> 227 </td> 228<td> 229 <p> 230 <span class="bold"><strong>PointOfSegment const &</strong></span>: 231 <span class="emphasis"><em>p1</em></span>: 232 </p> 233 <p> 234 <span class="bold"><strong>PointOfSegment const &</strong></span>: 235 <span class="emphasis"><em>p2</em></span>: 236 </p> 237 <p> 238 <span class="bold"><strong>state< Geometry > &</strong></span>: 239 <span class="emphasis"><em>st</em></span>: 240 </p> 241 </td> 242<td> 243 </td> 244</tr> 245<tr> 246<td> 247 <p> 248</p> 249<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Geometry</span><span class="special">></span> 250<span class="identifier">result_type</span><span class="special"><</span> <span class="identifier">Geometry</span> <span class="special">>::</span><span class="identifier">type</span> <span class="identifier">result</span><span class="special">(</span><span class="identifier">state</span><span class="special"><</span> <span class="identifier">Geometry</span> <span class="special">></span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">st</span><span class="special">)</span></pre> 251<p> 252 </p> 253 </td> 254<td> 255 </td> 256<td> 257 <p> 258 <span class="bold"><strong>state< Geometry > const &</strong></span>: 259 <span class="emphasis"><em>st</em></span>: 260 </p> 261 </td> 262<td> 263 </td> 264</tr> 265</tbody> 266</table></div> 267<h6> 268<a name="geometry.reference.strategies.strategy_area_spherical.h5"></a> 269 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.header"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.header">Header</a> 270 </h6> 271<p> 272 <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">strategies</span><span class="special">/</span><span class="identifier">spherical</span><span class="special">/</span><span class="identifier">area</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 273 </p> 274<h6> 275<a name="geometry.reference.strategies.strategy_area_spherical.h6"></a> 276 <span class="phrase"><a name="geometry.reference.strategies.strategy_area_spherical.see_also"></a></span><a class="link" href="strategy_area_spherical.html#geometry.reference.strategies.strategy_area_spherical.see_also">See 277 also</a> 278 </h6> 279<p> 280 <a class="link" href="../algorithms/area/area_2_with_strategy.html" title="area (with strategy)">area 281 (with strategy)</a> 282 </p> 283</div> 284<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 285<td align="left"></td> 286<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 287 Wulkiewicz, Oracle and/or its affiliates<p> 288 Distributed under the Boost Software License, Version 1.0. (See accompanying 289 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>) 290 </p> 291</div></td> 292</tr></table> 293<hr> 294<div class="spirit-nav"> 295<a accesskey="p" href="strategy_area_cartesian.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../strategies.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="strategy_area_geographic.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 296</div> 297</body> 298</html> 299
