CGAL 5.5.2 - Polygon Mesh Processing
Polygon_mesh_processing/polyhedral_envelope_of_triangle_soup.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Polyhedral_envelope.h>
#include <CGAL/IO/OFF.h>
#include <iostream>
#include <fstream>
#include <vector>
int main(int argc, char* argv[])
{
typedef Kernel::Point_3 Point_3;
std::ifstream in((argc>1) ? argv[1] : CGAL::data_file_path("meshes/blobby.off"));
double eps = (argc>2) ? std::stod(std::string(argv[2])) : 0.2;
std::vector<Point_3> points;
std::vector<std::vector<std::size_t> > polygons;
CGAL::IO::read_OFF(in, points, polygons);
Envelope envelope(points, polygons, eps);
int i = (argc>3) ? std::stoi(std::string(argv[3])) : 0;
int j = (argc>4) ? std::stoi(std::string(argv[4])) : 100;
int k = (argc>5) ? std::stoi(std::string(argv[5])) : 200;
if (envelope(points[i], points[j],points[k]))
{
std::cout << "inside polyhedral envelope" << std::endl;
}
return 0;
}