cgal/Polygon/examples/Polygon/projected_polygon.cpp

21 lines
608 B
C++

#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Projection_traits_yz_3.h>
#include <CGAL/Polygon_2_algorithms.h>
#include <iostream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef K::Point_3 Point_3;
int main()
{
Point_3 points[4] = { Point_3(0,1,1), Point_3(0,2,1), Point_3(0,2,2), Point_3(0,1,2) };
bool b = CGAL::is_simple_2(points,
points+4,
CGAL::Projection_traits_yz_3<K>());
if (!b){
std::cerr << "Error polygon is not simple" << std::endl;
return 1;
}
return 0;
}