1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>strategy::distance::cross_track</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_distance_projected_point.html" title="strategy::distance::projected_point"> 10<link rel="next" href="strategy_distance_cross_track_point_box.html" title="strategy::distance::cross_track_point_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="strategy_distance_projected_point.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_distance_cross_track_point_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.strategies.strategy_distance_cross_track"></a><a class="link" href="strategy_distance_cross_track.html" title="strategy::distance::cross_track">strategy::distance::cross_track</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635668793600"></a><a class="indexterm" name="idm45635668792912"></a><a class="indexterm" name="idm45635668792288"></a> 31Strategy functor for distance point to segment calculation. 32 </p> 33<h6> 34<a name="geometry.reference.strategies.strategy_distance_cross_track.h0"></a> 35 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.description"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.description">Description</a> 36 </h6> 37<p> 38 Class which calculates the distance of a point to a segment, for points 39 on a sphere or globe 40 </p> 41<h6> 42<a name="geometry.reference.strategies.strategy_distance_cross_track.h1"></a> 43 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.synopsis"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.synopsis">Synopsis</a> 44 </h6> 45<p> 46</p> 47<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">CalculationType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Strategy</span><span class="special">></span> 48<span class="keyword">class</span> <span class="identifier">strategy</span><span class="special">::</span><span class="identifier">distance</span><span class="special">::</span><span class="identifier">cross_track</span> 49<span class="special">{</span> 50 <span class="comment">// ...</span> 51<span class="special">};</span> 52</pre> 53<p> 54 </p> 55<h6> 56<a name="geometry.reference.strategies.strategy_distance_cross_track.h2"></a> 57 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.template_parameter_s_"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.template_parameter_s_">Template 58 parameter(s)</a> 59 </h6> 60<div class="informaltable"><table class="table"> 61<colgroup> 62<col> 63<col> 64<col> 65</colgroup> 66<thead><tr> 67<th> 68 <p> 69 Parameter 70 </p> 71 </th> 72<th> 73 <p> 74 Default 75 </p> 76 </th> 77<th> 78 <p> 79 Description 80 </p> 81 </th> 82</tr></thead> 83<tbody> 84<tr> 85<td> 86 <p> 87 typename CalculationType 88 </p> 89 </td> 90<td> 91 <p> 92 void 93 </p> 94 </td> 95<td> 96 <p> 97 numeric type for calculation (e.g. high precision); if <span class="bold"><strong>void</strong></span> then it is extracted automatically 98 from the coordinate type and (if necessary) promoted to floating 99 point 100 </p> 101 </td> 102</tr> 103<tr> 104<td> 105 <p> 106 typename Strategy 107 </p> 108 </td> 109<td> 110 <p> 111 haversine<double, CalculationType> 112 </p> 113 </td> 114<td> 115 <p> 116 underlying point-point distance strategy, defaults to haversine 117 </p> 118 </td> 119</tr> 120</tbody> 121</table></div> 122<h6> 123<a name="geometry.reference.strategies.strategy_distance_cross_track.h3"></a> 124 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.constructor_s_"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.constructor_s_">Constructor(s)</a> 125 </h6> 126<div class="informaltable"><table class="table"> 127<colgroup> 128<col> 129<col> 130<col> 131</colgroup> 132<thead><tr> 133<th> 134 <p> 135 Function 136 </p> 137 </th> 138<th> 139 <p> 140 Description 141 </p> 142 </th> 143<th> 144 <p> 145 Parameters 146 </p> 147 </th> 148</tr></thead> 149<tbody> 150<tr> 151<td> 152 <p> 153</p> 154<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">cross_track</span><span class="special">()</span></pre> 155<p> 156 </p> 157 </td> 158<td> 159 </td> 160<td> 161 </td> 162</tr> 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">cross_track</span><span class="special">(</span><span class="keyword">typename</span> <span class="identifier">Strategy</span><span class="special">::</span><span class="identifier">radius_type</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">r</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>typename Strategy::radius_type const &</strong></span>: 176 <span class="emphasis"><em>r</em></span>: 177 </p> 178 </td> 179</tr> 180<tr> 181<td> 182 <p> 183</p> 184<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">cross_track</span><span class="special">(</span><span class="identifier">Strategy</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">s</span><span class="special">)</span></pre> 185<p> 186 </p> 187 </td> 188<td> 189 </td> 190<td> 191 <p> 192 <span class="bold"><strong>Strategy const &</strong></span>: <span class="emphasis"><em>s</em></span>: 193 </p> 194 </td> 195</tr> 196</tbody> 197</table></div> 198<h6> 199<a name="geometry.reference.strategies.strategy_distance_cross_track.h4"></a> 200 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.member_function_s_"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.member_function_s_">Member 201 Function(s)</a> 202 </h6> 203<div class="informaltable"><table class="table"> 204<colgroup> 205<col> 206<col> 207<col> 208<col> 209</colgroup> 210<thead><tr> 211<th> 212 <p> 213 Function 214 </p> 215 </th> 216<th> 217 <p> 218 Description 219 </p> 220 </th> 221<th> 222 <p> 223 Parameters 224 </p> 225 </th> 226<th> 227 <p> 228 Returns 229 </p> 230 </th> 231</tr></thead> 232<tbody> 233<tr> 234<td> 235 <p> 236</p> 237<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">relate_segment_segment_strategy_type</span> <span class="identifier">get_relate_segment_segment_strategy</span><span class="special">()</span></pre> 238<p> 239 </p> 240 </td> 241<td> 242 </td> 243<td> 244 </td> 245<td> 246 </td> 247</tr> 248<tr> 249<td> 250 <p> 251</p> 252<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">point_in_geometry_strategy_type</span> <span class="identifier">get_point_in_geometry_strategy</span><span class="special">()</span></pre> 253<p> 254 </p> 255 </td> 256<td> 257 </td> 258<td> 259 </td> 260<td> 261 </td> 262</tr> 263<tr> 264<td> 265 <p> 266</p> 267<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">Point</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">PointOfSegment</span><span class="special">></span> 268<span class="identifier">return_type</span><span class="special"><</span> <span class="identifier">Point</span><span class="special">,</span> <span class="identifier">PointOfSegment</span> <span class="special">>::</span><span class="identifier">type</span> <span class="identifier">apply</span><span class="special">(</span><span class="identifier">Point</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">p</span><span class="special">,</span> <span class="identifier">PointOfSegment</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">sp1</span><span class="special">,</span> <span class="identifier">PointOfSegment</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">sp2</span><span class="special">)</span></pre> 269<p> 270 </p> 271 </td> 272<td> 273 </td> 274<td> 275 <p> 276 <span class="bold"><strong>Point const &</strong></span>: <span class="emphasis"><em>p</em></span>: 277 </p> 278 <p> 279 <span class="bold"><strong>PointOfSegment const &</strong></span>: 280 <span class="emphasis"><em>sp1</em></span>: 281 </p> 282 <p> 283 <span class="bold"><strong>PointOfSegment const &</strong></span>: 284 <span class="emphasis"><em>sp2</em></span>: 285 </p> 286 </td> 287<td> 288 </td> 289</tr> 290<tr> 291<td> 292 <p> 293</p> 294<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">T1</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T2</span><span class="special">></span> 295<span class="identifier">radius_type</span> <span class="identifier">vertical_or_meridian</span><span class="special">(</span><span class="identifier">T1</span> <span class="identifier">lat1</span><span class="special">,</span> <span class="identifier">T2</span> <span class="identifier">lat2</span><span class="special">)</span></pre> 296<p> 297 </p> 298 </td> 299<td> 300 </td> 301<td> 302 <p> 303 <span class="bold"><strong>T1</strong></span>: <span class="emphasis"><em>lat1</em></span>: 304 </p> 305 <p> 306 <span class="bold"><strong>T2</strong></span>: <span class="emphasis"><em>lat2</em></span>: 307 </p> 308 </td> 309<td> 310 </td> 311</tr> 312<tr> 313<td> 314 <p> 315</p> 316<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">Strategy</span><span class="special">::</span><span class="identifier">radius_type</span> <span class="identifier">radius</span><span class="special">()</span></pre> 317<p> 318 </p> 319 </td> 320<td> 321 </td> 322<td> 323 </td> 324<td> 325 </td> 326</tr> 327</tbody> 328</table></div> 329<h6> 330<a name="geometry.reference.strategies.strategy_distance_cross_track.h5"></a> 331 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.header"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.header">Header</a> 332 </h6> 333<p> 334 <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">distance_cross_track</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 335 </p> 336<h6> 337<a name="geometry.reference.strategies.strategy_distance_cross_track.h6"></a> 338 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_cross_track.see_also"></a></span><a class="link" href="strategy_distance_cross_track.html#geometry.reference.strategies.strategy_distance_cross_track.see_also">See 339 also</a> 340 </h6> 341<p> 342 <a class="link" href="../algorithms/distance/distance_3_with_strategy.html" title="distance (with strategy)">distance 343 (with strategy)</a> 344 </p> 345</div> 346<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 347<td align="left"></td> 348<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 349 Wulkiewicz, Oracle and/or its affiliates<p> 350 Distributed under the Boost Software License, Version 1.0. (See accompanying 351 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>) 352 </p> 353</div></td> 354</tr></table> 355<hr> 356<div class="spirit-nav"> 357<a accesskey="p" href="strategy_distance_projected_point.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_distance_cross_track_point_box.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 358</div> 359</body> 360</html> 361
