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45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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//
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// Copyright Barend Gehrels 2011, Geodan, 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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//
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// Quickbook Example
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//[intersects
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//` Check if two linestrings intersect each other
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#include <iostream>
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#include <boost/geometry/geometry.hpp>
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#include <boost/geometry/domains/gis/io/wkt/wkt.hpp>
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int main()
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{
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// Calculate the intersects of a cartesian polygon
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typedef boost::geometry::model::d2::point_xy<double> P;
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bg::model::linestring<P> line1, line2;
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boost::geometry::read_wkt("linestring(1 1,2 2)", line1);
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boost::geometry::read_wkt("linestring(2 1,1 2)", line2);
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bool b = boost::geometry::intersects(line1, line2);
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std::cout << "Intersects: " << (b ? "YES" : "NO") << std::endl;
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return 0;
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}
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//]
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//[intersects_output
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/*`
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Output:
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[pre
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Intersects: YES
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]
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*/
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//]
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