CGAL 5.6 - Polygon Mesh Processing
Polygon_mesh_processing/polyhedral_envelope.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Polyhedral_envelope.h>
#include <CGAL/Surface_mesh.h>
#include <iostream>
#include <fstream>
int main(int argc, char* argv[])
{
typedef Kernel::Point_3 Point_3;
typedef CGAL::Surface_mesh<Point_3> Surface_mesh;
typedef boost::graph_traits<Surface_mesh>::vertex_descriptor vertex_descriptor;
std::ifstream in((argc>1) ? argv[1] : CGAL::data_file_path("meshes/blobby.off"));
Surface_mesh tmesh;
in >> tmesh;
double eps = (argc>2) ? std::stod(std::string(argv[2])) : 0.2;
Envelope envelope(tmesh, 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(tmesh.point(vertex_descriptor(i)),
tmesh.point(vertex_descriptor(j)),
tmesh.point(vertex_descriptor(k)))){
std::cout << "inside polyhedral envelope" << std::endl;
}
return 0;
}