3 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
4 <title>make (2 coordinate values)</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="../make.html" title="make">
9 <link rel="prev" href="../make.html" title="make">
10 <link rel="next" href="make_3_3_coordinate_values.html" title="make (3 coordinate values)">
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>
22 <div class="spirit-nav">
23 <a accesskey="p" href="../make.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../make.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="make_3_3_coordinate_values.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>
26 <div class="titlepage"><div><div><h5 class="title">
27 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values"></a><a class="link" href="make_2_2_coordinate_values.html" title="make (2 coordinate values)">make
28 (2 coordinate values)</a>
29 </h5></div></div></div>
31 <a class="indexterm" name="idm46186994502432"></a>
35 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.h0"></a>
36 <span class="phrase"><a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.synopsis"></a></span><a class="link" href="make_2_2_coordinate_values.html#geometry.reference.algorithms.make.make_2_2_coordinate_values.synopsis">Synopsis</a>
40 <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Geometry</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">Type</span><span class="special">></span>
41 <span class="identifier">Geometry</span> <span class="identifier">make</span><span class="special">(</span><span class="identifier">Type</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">c1</span><span class="special">,</span> <span class="identifier">Type</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">c2</span><span class="special">)</span></pre>
45 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.h1"></a>
46 <span class="phrase"><a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.parameters"></a></span><a class="link" href="make_2_2_coordinate_values.html#geometry.reference.algorithms.make.make_2_2_coordinate_values.parameters">Parameters</a>
48 <div class="informaltable"><table class="table">
86 Any type fulfilling a Geometry Concept
108 numerical type (int, double, ttmath, ...) to specify the coordinates
118 First coordinate (usually x-coordinate)
130 numerical type (int, double, ttmath, ...) to specify the coordinates
140 Second coordinate (usually y-coordinate)
147 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.h2"></a>
148 <span class="phrase"><a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.returns"></a></span><a class="link" href="make_2_2_coordinate_values.html#geometry.reference.algorithms.make.make_2_2_coordinate_values.returns">Returns</a>
151 The constructed geometry, here: a 2D point
154 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.h3"></a>
155 <span class="phrase"><a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.header"></a></span><a class="link" href="make_2_2_coordinate_values.html#geometry.reference.algorithms.make.make_2_2_coordinate_values.header">Header</a>
161 <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">hpp</span><span class="special">></span></code>
167 <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">algorithms</span><span class="special">/</span><span class="identifier">make</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>
170 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.h4"></a>
171 <span class="phrase"><a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.example"></a></span><a class="link" href="make_2_2_coordinate_values.html#geometry.reference.algorithms.make.make_2_2_coordinate_values.example">Example</a>
174 Shows the usage of make as a generic constructor for different point
179 <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span>
181 <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>
182 <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>
183 <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="keyword">register</span><span class="special">/</span><span class="identifier">point</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
184 <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_tuple</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
185 <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_polygon</span><span class="special">/</span><span class="identifier">point</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
187 <span class="identifier">BOOST_GEOMETRY_REGISTER_BOOST_TUPLE_CS</span><span class="special">(</span><span class="identifier">cs</span><span class="special">::</span><span class="identifier">cartesian</span><span class="special">)</span>
189 <span class="keyword">struct</span> <span class="identifier">mypoint</span> <span class="special">{</span> <span class="keyword">float</span> <span class="identifier">_x</span><span class="special">,</span> <span class="identifier">_y</span><span class="special">;</span> <span class="special">};</span>
191 <span class="identifier">BOOST_GEOMETRY_REGISTER_POINT_2D</span><span class="special">(</span><span class="identifier">mypoint</span><span class="special">,</span> <span class="keyword">float</span><span class="special">,</span> <span class="identifier">cs</span><span class="special">::</span><span class="identifier">cartesian</span><span class="special">,</span> <span class="identifier">_x</span><span class="special">,</span> <span class="identifier">_y</span><span class="special">)</span>
193 <span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Point</span><span class="special">></span>
194 <span class="keyword">void</span> <span class="identifier">construct_and_display</span><span class="special">()</span>
195 <span class="special">{</span>
196 <span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">make</span><span class="special">;</span>
197 <span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">get</span><span class="special">;</span>
199 <span class="identifier">Point</span> <span class="identifier">p</span> <span class="special">=</span> <span class="identifier">make</span><span class="special"><</span><span class="identifier">Point</span><span class="special">>(</span><span class="number">1</span><span class="special">,</span> <span class="number">2</span><span class="special">);</span>
201 <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"x="</span> <span class="special"><<</span> <span class="identifier">get</span><span class="special"><</span><span class="number">0</span><span class="special">>(</span><span class="identifier">p</span><span class="special">)</span> <span class="special"><<</span> <span class="string">" y="</span> <span class="special"><<</span> <span class="identifier">get</span><span class="special"><</span><span class="number">1</span><span class="special">>(</span><span class="identifier">p</span><span class="special">)</span>
202 <span class="special"><<</span> <span class="string">" ("</span> <span class="special"><<</span> <span class="keyword">typeid</span><span class="special">(</span><span class="identifier">Point</span><span class="special">).</span><span class="identifier">name</span><span class="special">()</span> <span class="special"><<</span> <span class="string">")"</span>
203 <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
204 <span class="special">}</span>
206 <span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span>
207 <span class="special">{</span>
208 <span class="identifier">construct_and_display</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">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">double</span><span class="special">></span> <span class="special">>();</span>
209 <span class="identifier">construct_and_display</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">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="special">>();</span>
210 <span class="identifier">construct_and_display</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">tuple</span><span class="special"><</span><span class="keyword">double</span><span class="special">,</span> <span class="keyword">double</span><span class="special">></span> <span class="special">>();</span>
211 <span class="identifier">construct_and_display</span><span class="special"><</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">polygon</span><span class="special">::</span><span class="identifier">point_data</span><span class="special"><</span><span class="keyword">int</span><span class="special">></span> <span class="special">>();</span>
212 <span class="identifier">construct_and_display</span><span class="special"><</span><span class="identifier">mypoint</span><span class="special">>();</span>
213 <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span>
214 <span class="special">}</span>
219 Output (compiled using gcc):
221 <pre class="programlisting">x=1 y=2 (N5boost8geometry5model2d28point_xyIdNS0_2cs9cartesianEEE)
222 x=1 y=2 (N5boost8geometry5model2d28point_xyIiNS0_2cs9cartesianEEE)
223 x=1 y=2 (N5boost6tuples5tupleIddNS0_9null_typeES2_S2_S2_S2_S2_S2_S2_EE)
224 x=1 y=2 (N5boost7polygon10point_dataIiEE)
228 <a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.h5"></a>
229 <span class="phrase"><a name="geometry.reference.algorithms.make.make_2_2_coordinate_values.see_also"></a></span><a class="link" href="make_2_2_coordinate_values.html#geometry.reference.algorithms.make.make_2_2_coordinate_values.see_also">See
232 <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">
233 <a class="link" href="../assign/assign_values_3_2_coordinate_values.html" title="assign_values (2 coordinate values)">assign</a>
236 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
237 <td align="left"></td>
238 <td align="right"><div class="copyright-footer">Copyright © 2009-2019 Barend Gehrels, Bruno Lalande, Mateusz Loskot, Adam
239 Wulkiewicz, Oracle and/or its affiliates<p>
240 Distributed under the Boost Software License, Version 1.0. (See accompanying
241 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>)
246 <div class="spirit-nav">
247 <a accesskey="p" href="../make.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../make.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="make_3_3_coordinate_values.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a>