1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2 // QuickBook Example
3
4 // Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
5
6 // Use, modification and distribution is subject to the Boost Software License,
7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
8 // http://www.boost.org/LICENSE_1_0.txt)
9
10 //[register_linestring_templated
11 //` Show the use of the macro BOOST_GEOMETRY_REGISTER_LINESTRING_TEMPLATED
12
13 #include <iostream>
14 #include <deque>
15
16 #include <boost/geometry.hpp>
17 #include <boost/geometry/geometries/point_xy.hpp>
18 #include <boost/geometry/geometries/register/linestring.hpp>
19
20 // Adapt any deque to Boost.Geometry Linestring Concept
BOOST_GEOMETRY_REGISTER_LINESTRING_TEMPLATED(std::deque)21 BOOST_GEOMETRY_REGISTER_LINESTRING_TEMPLATED(std::deque)
22
23 int main()
24 {
25 std::deque<boost::geometry::model::d2::point_xy<double> > line(2);
26 boost::geometry::assign_values(line[0], 1, 1);
27 boost::geometry::assign_values(line[1], 2, 2);
28
29 // Boost.Geometry algorithms work on any deque now
30 std::cout << "Length: " << boost::geometry::length(line) << std::endl;
31 std::cout << "Line: " << boost::geometry::dsv(line) << std::endl;
32
33 return 0;
34 }
35
36 //]
37
38
39 //[register_linestring_templated_output
40 /*`
41 Output:
42 [pre
43 Length: 1.41421
44 Line: ((1, 1), (2, 2))
45 ]
46 */
47 //]
48