Poisson_surface_reconstruction_3/poisson_reconstruction_function.cpp

#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/IO/Polyhedron_iostream.h>
#include <CGAL/poisson_surface_reconstruction.h>
#include <CGAL/IO/read_xyz_points.h>

#include <vector>
#include <fstream>

// Types
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
typedef Kernel::Point_3 Point;
typedef Kernel::Vector_3 Vector;
typedef std::pair<Point, Vector> Pwn;
typedef CGAL::Polyhedron_3<Kernel> Polyhedron;

int main(void)
{
  std::vector<Pwn> points;
  std::ifstream stream("data/kitten.xyz");
  if (!stream ||
      !CGAL::read_xyz_points_and_normals(
           stream,
           std::back_inserter(points),
           CGAL::First_of_pair_property_map<Pwn>(),
           CGAL::Second_of_pair_property_map<Pwn>()))
    {
      std::cerr << "Error: cannot read file data/kitten.xyz" << std::endl;
      return EXIT_FAILURE;
    }

  Polyhedron output_mesh;
  
  double average_spacing = CGAL::compute_average_spacing<CGAL::Sequential_tag>
    (points.begin(), points.end(), CGAL::First_of_pair_property_map<Pwn>(), 6);

  if (CGAL::poisson_surface_reconstruction_delaunay
      (points.begin(), points.end(),
       CGAL::First_of_pair_property_map<Pwn>(),
       CGAL::Second_of_pair_property_map<Pwn>(),
       output_mesh, average_spacing))
    {
        std::ofstream out("kitten_poisson-20-30-0.375.off");
        out << output_mesh;
    }
  else
    return EXIT_FAILURE;

  return EXIT_SUCCESS;
}