CGAL 5.5 - Triangulated Surface Mesh Approximation
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/Surface_mesh_approximation/approximate_triangle_mesh.h>
#include <CGAL/Polygon_mesh_processing/IO/polygon_mesh_io.h>
#include <iostream>
#include <fstream>
typedef boost::graph_traits<Mesh>::face_descriptor face_descriptor;
typedef Mesh::Property_map<face_descriptor, std::size_t> Face_proxy_pmap;
int main(int argc, char** argv)
const std::string filename = (argc > 1) ? argv[1] : CGAL::data_file_path("meshes/");
// read input surface triangle mesh
Mesh mesh;
std::cerr << "Invalid input file." << std::endl;
// output indexed triangle mesh
std::vector<Kernel::Point_3> anchors;
std::vector<std::array<std::size_t, 3> > triangles; // triplets of indices
// output face proxy index property map
Face_proxy_pmap fpxmap =
mesh.add_property_map<face_descriptor, std::size_t>("f:proxy_id", 0).first;
// output planar proxies
std::vector<Kernel::Vector_3> proxies;
// free function interface with named parameters
CGAL::parameters::min_error_drop(0.05). // seeding with minimum error drop
number_of_iterations(40). // set number of clustering iterations after seeding
subdivision_ratio(0.3). // set chord subdivision ratio threshold when meshing
face_proxy_map(fpxmap). // get face partition map
proxies(std::back_inserter(proxies)). // output proxies
anchors(std::back_inserter(anchors)). // output anchor points
triangles(std::back_inserter(triangles))); // output indexed triangles