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47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// QuickBook Example
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// Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//[assign_inverse
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//` Usage of assign_inverse and expand to conveniently determine bounding 3D box of two points
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#include <iostream>
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#include <boost/geometry.hpp>
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#include <boost/geometry/geometries/box.hpp>
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#include <boost/geometry/geometries/point.hpp>
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using namespace boost::geometry;
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int main()
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{
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typedef model::point<float, 3, cs::cartesian> point;
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typedef model::box<point> box;
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box all;
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assign_inverse(all);
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std::cout << dsv(all) << std::endl;
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expand(all, point(0, 0, 0));
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expand(all, point(1, 2, 3));
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std::cout << dsv(all) << std::endl;
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return 0;
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}
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//]
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//[assign_inverse_output
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/*`
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Output:
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[pre
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((3.40282e+038, 3.40282e+038, 3.40282e+038), (-3.40282e+038, -3.40282e+038, -3.40282e+038))
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((0, 0, 0), (1, 2, 3))]
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*/
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//]
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