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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 | |
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 | //] |