1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>strategy::distance::projected_point</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_haversine.html" title="strategy::distance::haversine"> 10<link rel="next" href="strategy_distance_cross_track.html" title="strategy::distance::cross_track"> 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_haversine.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.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_projected_point"></a><a class="link" href="strategy_distance_projected_point.html" title="strategy::distance::projected_point">strategy::distance::projected_point</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="idm45635668910032"></a><a class="indexterm" name="idm45635668909344"></a><a class="indexterm" name="idm45635668908656"></a> 31Strategy for distance point to segment. 32 </p> 33<h6> 34<a name="geometry.reference.strategies.strategy_distance_projected_point.h0"></a> 35 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_projected_point.description"></a></span><a class="link" href="strategy_distance_projected_point.html#geometry.reference.strategies.strategy_distance_projected_point.description">Description</a> 36 </h6> 37<p> 38 Calculates distance using projected-point method, and (optionally) Pythagoras 39 </p> 40<h6> 41<a name="geometry.reference.strategies.strategy_distance_projected_point.h1"></a> 42 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_projected_point.synopsis"></a></span><a class="link" href="strategy_distance_projected_point.html#geometry.reference.strategies.strategy_distance_projected_point.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">CalculationType</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Strategy</span><span class="special">></span> 47<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">projected_point</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_distance_projected_point.h2"></a> 56 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_projected_point.template_parameter_s_"></a></span><a class="link" href="strategy_distance_projected_point.html#geometry.reference.strategies.strategy_distance_projected_point.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 CalculationType 87 </p> 88 </td> 89<td> 90 <p> 91 void 92 </p> 93 </td> 94<td> 95 <p> 96 numeric type for calculation (e.g. high precision); if <span class="bold"><strong>void</strong></span> then it is extracted automatically 97 from the coordinate type and (if necessary) promoted to floating 98 point 99 </p> 100 </td> 101</tr> 102<tr> 103<td> 104 <p> 105 typename Strategy 106 </p> 107 </td> 108<td> 109 <p> 110 pythagoras<CalculationType> 111 </p> 112 </td> 113<td> 114 <p> 115 underlying point-point distance strategy 116 </p> 117 </td> 118</tr> 119</tbody> 120</table></div> 121<h6> 122<a name="geometry.reference.strategies.strategy_distance_projected_point.h3"></a> 123 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_projected_point.member_function_s_"></a></span><a class="link" href="strategy_distance_projected_point.html#geometry.reference.strategies.strategy_distance_projected_point.member_function_s_">Member 124 Function(s)</a> 125 </h6> 126<div class="informaltable"><table class="table"> 127<colgroup> 128<col> 129<col> 130<col> 131<col> 132</colgroup> 133<thead><tr> 134<th> 135 <p> 136 Function 137 </p> 138 </th> 139<th> 140 <p> 141 Description 142 </p> 143 </th> 144<th> 145 <p> 146 Parameters 147 </p> 148 </th> 149<th> 150 <p> 151 Returns 152 </p> 153 </th> 154</tr></thead> 155<tbody> 156<tr> 157<td> 158 <p> 159</p> 160<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> 161<p> 162 </p> 163 </td> 164<td> 165 </td> 166<td> 167 </td> 168<td> 169 </td> 170</tr> 171<tr> 172<td> 173 <p> 174</p> 175<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> 176<p> 177 </p> 178 </td> 179<td> 180 </td> 181<td> 182 </td> 183<td> 184 </td> 185</tr> 186<tr> 187<td> 188 <p> 189</p> 190<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> 191<span class="identifier">calculation_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">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></pre> 192<p> 193 </p> 194 </td> 195<td> 196 </td> 197<td> 198 <p> 199 <span class="bold"><strong>Point const &</strong></span>: <span class="emphasis"><em>p</em></span>: 200 </p> 201 <p> 202 <span class="bold"><strong>PointOfSegment const &</strong></span>: 203 <span class="emphasis"><em>p1</em></span>: 204 </p> 205 <p> 206 <span class="bold"><strong>PointOfSegment const &</strong></span>: 207 <span class="emphasis"><em>p2</em></span>: 208 </p> 209 </td> 210<td> 211 </td> 212</tr> 213<tr> 214<td> 215 <p> 216</p> 217<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">CT</span><span class="special">></span> 218<span class="identifier">CT</span> <span class="identifier">vertical_or_meridian</span><span class="special">(</span><span class="identifier">CT</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">lat1</span><span class="special">,</span> <span class="identifier">CT</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">lat2</span><span class="special">)</span></pre> 219<p> 220 </p> 221 </td> 222<td> 223 </td> 224<td> 225 <p> 226 <span class="bold"><strong>CT const &</strong></span>: <span class="emphasis"><em>lat1</em></span>: 227 </p> 228 <p> 229 <span class="bold"><strong>CT const &</strong></span>: <span class="emphasis"><em>lat2</em></span>: 230 </p> 231 </td> 232<td> 233 </td> 234</tr> 235</tbody> 236</table></div> 237<h6> 238<a name="geometry.reference.strategies.strategy_distance_projected_point.h4"></a> 239 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_projected_point.header"></a></span><a class="link" href="strategy_distance_projected_point.html#geometry.reference.strategies.strategy_distance_projected_point.header">Header</a> 240 </h6> 241<p> 242 <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">cartesian</span><span class="special">/</span><span class="identifier">distance_projected_point</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 243 </p> 244<h6> 245<a name="geometry.reference.strategies.strategy_distance_projected_point.h5"></a> 246 <span class="phrase"><a name="geometry.reference.strategies.strategy_distance_projected_point.see_also"></a></span><a class="link" href="strategy_distance_projected_point.html#geometry.reference.strategies.strategy_distance_projected_point.see_also">See 247 also</a> 248 </h6> 249<p> 250 <a class="link" href="../algorithms/distance/distance_3_with_strategy.html" title="distance (with strategy)">distance 251 (with strategy)</a> 252 </p> 253</div> 254<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 255<td align="left"></td> 256<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 257 Wulkiewicz, Oracle and/or its affiliates<p> 258 Distributed under the Boost Software License, Version 1.0. (See accompanying 259 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>) 260 </p> 261</div></td> 262</tr></table> 263<hr> 264<div class="spirit-nav"> 265<a accesskey="p" href="strategy_distance_haversine.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.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 266</div> 267</body> 268</html> 269
