mirror of https://github.com/CGAL/cgal
38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Polygon_with_holes_2.h>
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#include <CGAL/draw_polygon_with_holes_2.h>
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Polygon_with_holes_2<K> Polygon_with_holes_2;
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typedef CGAL::Polygon_2<K> Polygon_2;
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typedef CGAL::Point_2<K> Point;
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int main()
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{
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// create a polygon with three holes
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Polygon_2 outer_polygon;
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outer_polygon.push_back(Point(0,0)); outer_polygon.push_back(Point(9,0));
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outer_polygon.push_back(Point(6,8)); outer_polygon.push_back(Point(5,3));
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outer_polygon.push_back(Point(2,8)); outer_polygon.push_back(Point(0,8));
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std::vector<Polygon_2> holes(3);
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holes[0].push_back(Point(6,2)); holes[0].push_back(Point(7,1));
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holes[0].push_back(Point(7,3)); holes[0].push_back(Point(6,3));
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holes[0].push_back(Point(5,2));
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holes[1].push_back(Point(2,1)); holes[1].push_back(Point(3,1));
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holes[1].push_back(Point(3,3)); holes[1].push_back(Point(2,2));
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holes[1].push_back(Point(1,2));
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holes[2].push_back(Point(1,4)); holes[2].push_back(Point(2,4));
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holes[2].push_back(Point(2,5)); holes[2].push_back(Point(3,5));
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holes[2].push_back(Point(3,6)); holes[2].push_back(Point(1,6));
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Polygon_with_holes_2 p(outer_polygon, holes.begin(), holes.end());
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// And draw it.
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CGAL::draw(p);
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return EXIT_SUCCESS;
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}
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