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/*! \file oriented_side.cpp
* Compute the oriented side of a point and a polygon with holes.
*/
#include <CGAL/Exact_predicates_exact_constructions_kernel.h>
#include <CGAL/Boolean_set_operations_2.h>
typedef CGAL::Exact_predicates_exact_constructions_kernel Kernel;
typedef Kernel::Point_2 Point_2;
typedef CGAL::Polygon_2<Kernel> Polygon_2;
typedef CGAL::Polygon_with_holes_2<Kernel> Polygon_with_holes_2;
# define nice(os) ((os == CGAL::ON_ORIENTED_BOUNDARY) ? "on boundary" : \
(os == CGAL::POSITIVE) ? "inside" : "outside")
int main() {
Polygon_2 hole;
hole.push_back(Point_2(1, 1));
hole.push_back(Point_2(1, 2));
hole.push_back(Point_2(2, 2));
hole.push_back(Point_2(2, 1));
Polygon_2 out;
out.push_back(Point_2(0, 0));
out.push_back(Point_2(3, 0));
out.push_back(Point_2(3, 3));
out.push_back(Point_2(0, 3));
Polygon_with_holes_2 pwh(out, &hole, &hole+1);
std::cout << pwh << std::endl;
auto os = CGAL::oriented_side(Point_2(0, 0), pwh);
std::cout << "(0,0) is : " << nice(os) << std::endl;
os = CGAL::oriented_side(Point_2(0.5, 0.5), pwh);
std::cout << "(0,0) is : " << nice(os) << std::endl;
os = CGAL::oriented_side(Point_2(1, 1), pwh);
std::cout << "(0,0) is : " << nice(os) << std::endl;
os = CGAL::oriented_side(Point_2(2.5, 2.5), pwh);
std::cout << "(0,0) is : " << nice(os) << std::endl;
os = CGAL::oriented_side(Point_2(3, 3), pwh);
std::cout << "(0,0) is : " << nice(os) << std::endl;
os = CGAL::oriented_side(Point_2(3.5, 3.5), pwh);
std::cout << "(0,0) is : " << nice(os) << std::endl;
return 0;
}
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