]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
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 | //[intersects | |
11 | //` Check if two linestrings intersect each other | |
12 | ||
13 | #include <iostream> | |
14 | ||
15 | #include <boost/geometry.hpp> | |
16 | #include <boost/geometry/geometries/linestring.hpp> | |
17 | #include <boost/geometry/geometries/point_xy.hpp> | |
18 | ||
19 | int main() | |
20 | { | |
21 | // Calculate the intersects of a cartesian polygon | |
22 | typedef boost::geometry::model::d2::point_xy<double> P; | |
23 | bg::model::linestring<P> line1, line2; | |
24 | ||
25 | boost::geometry::read_wkt("linestring(1 1,2 2)", line1); | |
26 | boost::geometry::read_wkt("linestring(2 1,1 2)", line2); | |
27 | ||
28 | bool b = boost::geometry::intersects(line1, line2); | |
29 | ||
30 | std::cout << "Intersects: " << (b ? "YES" : "NO") << std::endl; | |
31 | ||
32 | return 0; | |
33 | } | |
34 | ||
35 | //] | |
36 | ||
37 | ||
38 | //[intersects_output | |
39 | /*` | |
40 | Output: | |
41 | [pre | |
42 | Intersects: YES | |
43 | ] | |
44 | */ | |
45 | //] |