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52 lines
1.1 KiB
C++
52 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 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_point_from_index
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//` Shows how to retrieve one point from a box (either lower-left or upper-right) or segment
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#include <iostream>
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#include <boost/geometry.hpp>
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#include <boost/geometry/geometries/geometries.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::d2::point_xy<double> point;
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typedef model::segment<point> segment;
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segment s;
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assign_values(s, 1, 1, 2, 2);
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point first, second;
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assign_point_from_index<0>(s, first);
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assign_point_from_index<1>(s, second);
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std::cout
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<< "segment: " << dsv(s) << std::endl
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<< "first: " << dsv(first) << std::endl
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<< "second: " << dsv(second) << std::endl;
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return 0;
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}
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//]
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//[assign_point_from_index_output
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/*`
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Output:
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[pre
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segment: ((1, 1), (2, 2))
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first: (1, 1)
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second: (2, 2)
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]
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*/
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//]
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