]>
Commit | Line | Data |
---|---|---|
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 | ||
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 | //] |