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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//[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
19using namespace boost::geometry;
20
21int 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/*`
41Output:
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//]