1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Boost.Range reversed</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="../boost_range.html" title="Boost.Range"> 9<link rel="prev" href="filtered.html" title="Boost.Range filtered"> 10<link rel="next" href="sliced.html" title="Boost.Range sliced"> 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="filtered.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost_range.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="sliced.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="geometry.reference.adapted.boost_range.reversed"></a><a class="link" href="reversed.html" title="Boost.Range reversed">Boost.Range 28 reversed</a> 29</h5></div></div></div> 30<p> 31 Boost.Range reversed range adaptor is adapted to Boost.Geometry 32 </p> 33<h6> 34<a name="geometry.reference.adapted.boost_range.reversed.h0"></a> 35 <span class="phrase"><a name="geometry.reference.adapted.boost_range.reversed.description"></a></span><a class="link" href="reversed.html#geometry.reference.adapted.boost_range.reversed.description">Description</a> 36 </h6> 37<p> 38 Boost.Range reversed range adaptor reverses a range. 39 </p> 40<h6> 41<a name="geometry.reference.adapted.boost_range.reversed.h1"></a> 42 <span class="phrase"><a name="geometry.reference.adapted.boost_range.reversed.model_of"></a></span><a class="link" href="reversed.html#geometry.reference.adapted.boost_range.reversed.model_of">Model 43 of</a> 44 </h6> 45<p> 46 The Boost.Range reversed range adaptor takes over the model of the original 47 geometry, which might be: 48 </p> 49<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 50<li class="listitem"> 51 a linestring 52 </li> 53<li class="listitem"> 54 a ring 55 </li> 56<li class="listitem"> 57 a multi_point 58 </li> 59<li class="listitem"> 60 a multi_linestring 61 </li> 62<li class="listitem"> 63 a multi_polygon 64 </li> 65</ul></div> 66<h6> 67<a name="geometry.reference.adapted.boost_range.reversed.h2"></a> 68 <span class="phrase"><a name="geometry.reference.adapted.boost_range.reversed.header"></a></span><a class="link" href="reversed.html#geometry.reference.adapted.boost_range.reversed.header">Header</a> 69 </h6> 70<p> 71 <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">adapted</span><span class="special">/</span><span class="identifier">boost_range</span><span class="special">/</span><span class="identifier">reversed</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> 72 </p> 73<p> 74 The standard header <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">.</span><span class="identifier">hpp</span></code> 75 does not include this header. 76 </p> 77<h6> 78<a name="geometry.reference.adapted.boost_range.reversed.h3"></a> 79 <span class="phrase"><a name="geometry.reference.adapted.boost_range.reversed.example"></a></span><a class="link" href="reversed.html#geometry.reference.adapted.boost_range.reversed.example">Example</a> 80 </h6> 81<p> 82 Shows how to use a Boost.Geometry linestring, reversed by Boost.Range 83 adaptor 84 </p> 85<p> 86</p> 87<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> 88 89<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> 90<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">linestring</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 91<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">point_xy</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 92<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">adapted</span><span class="special">/</span><span class="identifier">boost_range</span><span class="special">/</span><span class="identifier">reversed</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> 93 94<span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span> 95<span class="special">{</span> 96 <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">d2</span><span class="special">::</span><span class="identifier">point_xy</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">xy</span><span class="special">;</span> 97 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">model</span><span class="special">::</span><span class="identifier">linestring</span><span class="special"><</span><span class="identifier">xy</span><span class="special">></span> <span class="identifier">line</span><span class="special">;</span> 98 <span class="identifier">line</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="identifier">xy</span><span class="special">(</span><span class="number">0</span><span class="special">,</span> <span class="number">0</span><span class="special">));</span> 99 <span class="identifier">line</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="identifier">xy</span><span class="special">(</span><span class="number">1</span><span class="special">,</span> <span class="number">1</span><span class="special">));</span> 100 101 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> 102 <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">dsv</span><span class="special">(</span><span class="identifier">line</span> <span class="special">|</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">adaptors</span><span class="special">::</span><span class="identifier">reversed</span><span class="special">)</span> 103 <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> 104 105 <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span> 106<span class="special">}</span> 107</pre> 108<p> 109 </p> 110<p> 111 Output: 112 </p> 113<pre class="programlisting">((1, 1), (0, 0)) 114</pre> 115</div> 116<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 117<td align="left"></td> 118<td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam 119 Wulkiewicz, Oracle and/or its affiliates<p> 120 Distributed under the Boost Software License, Version 1.0. (See accompanying 121 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>) 122 </p> 123</div></td> 124</tr></table> 125<hr> 126<div class="spirit-nav"> 127<a accesskey="p" href="filtered.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../boost_range.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="sliced.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 128</div> 129</body> 130</html> 131