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 //[assign_inverse
11 //` Usage of assign_inverse and expand to conveniently determine bounding 3D box of two points
12
13 #include <iostream>
14
15 #include <boost/geometry.hpp>
16 #include <boost/geometry/geometries/box.hpp>
17 #include <boost/geometry/geometries/point.hpp>
18
19 using namespace boost::geometry;
20
main()21 int main()
22 {
23 typedef model::point<float, 3, cs::cartesian> point;
24 typedef model::box<point> box;
25
26 box all;
27 assign_inverse(all);
28 std::cout << dsv(all) << std::endl;
29 expand(all, point(0, 0, 0));
30 expand(all, point(1, 2, 3));
31 std::cout << dsv(all) << std::endl;
32
33 return 0;
34 }
35
36 //]
37
38
39 //[assign_inverse_output
40 /*`
41 Output:
42 [pre
43 ((3.40282e+038, 3.40282e+038, 3.40282e+038), (-3.40282e+038, -3.40282e+038, -3.40282e+038))
44 ((0, 0, 0), (1, 2, 3))]
45 */
46 //]
47