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38adce676e
- replace BOOST_FOREACH - replace Boost.Assign - replace typedef with using - other minor changes
49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// QuickBook Example
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// Copyright (c) 2011-2024 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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//[expand
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//` Shows the usage of expand
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#include <iostream>
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#include <list>
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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_xy.hpp>
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int main()
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{
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using point_type = boost::geometry::model::d2::point_xy<short int>;
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using box_type = boost::geometry::model::box<point_type>;
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using boost::geometry::expand;
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box_type box = boost::geometry::make_inverse<box_type>(); /*< expand is usually preceded by a call to assign_inverse or make_inverse >*/
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expand(box, point_type(0, 0));
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expand(box, point_type(1, 2));
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expand(box, point_type(5, 4));
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expand(box, boost::geometry::make<box_type>(3, 3, 5, 5));
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std::cout << boost::geometry::dsv(box) << std::endl;
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return 0;
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}
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//]
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//[expand_output
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/*`
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Output:
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[pre
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((0, 0), (5, 5))
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]
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*/
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//]
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