#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/convex_hull_3.h>
#include <CGAL/Extreme_points_traits_adapter_3.h>
#include <CGAL/IO/read_points.h>
#include <boost/iterator/counting_iterator.hpp>
#include <vector>
#include <fstream>
typedef K::Point_3 Point_3;
int main(int argc, char* argv[])
{
const char* filename = (argc>1) ? argv[1] : "data/star.off";
std::vector<Point_3> points;
if(!CGAL::IO::read_points(filename, std::back_inserter(points)))
{
std::cerr<< "Cannot open input file." <<std::endl;
return 1;
}
std::vector<std::size_t> extreme_point_indices;
boost::counting_iterator<std::size_t>(points.size())),
std::back_inserter(extreme_point_indices),
std::cout << "Indices of points on the convex hull are:\n";
std::copy(extreme_point_indices.begin(), extreme_point_indices.end(), std::ostream_iterator<std::size_t>(std::cout, " "));
std::cout << "\n";
return 0;
}