Convex_hull_3/quickhull_OM_3.cpp

#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/convex_hull_3.h>
#include <vector>
#include <fstream>

#include <OpenMesh/Core/IO/MeshIO.hh>
#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>

#include <CGAL/boost/graph/graph_traits_TriMesh_ArrayKernelT.h>

typedef CGAL::Exact_predicates_inexact_constructions_kernel  K;
typedef K::Point_3  
                              Point_3;
typedef OpenMesh::TriMesh_ArrayKernelT</* MyTraits*/> Mesh;

int main(int argc, char* argv[])
{
  std::ifstream in( (argc>1)? argv[1] : "data/cube.xyz");
  std::vector<Point_3> points;
  Point_3 p, n;
  while(in >> p >> n){
    points.push_back(p);
  }

  // define polyhedron to hold convex hull
  Mesh poly;
  
  // compute convex hull of non-collinear points
  CGAL::convex_hull_3(points.begin(), points.end(), poly);


  Mesh sm;
  
  CGAL::convex_hull_3(points.begin(), points.end(), sm);
  OpenMesh::IO::write_mesh(sm, (argc>2)?argv[2]:"out.off");

  return 0;
}