CGAL 5.6.3 - Polygon Mesh Processing

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Polygon_mesh_processing/delaunay_remeshing_example.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Surface_mesh.h>
#include <CGAL/Polygon_mesh_processing/detect_features.h>
#include <CGAL/Polygon_mesh_processing/surface_Delaunay_remeshing.h>
#include <CGAL/Polygon_mesh_processing/IO/polygon_mesh_io.h>
#include <CGAL/Mesh_constant_domain_field_3.h>
#include <fstream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef CGAL::Surface_mesh<K::Point_3> Mesh;
typedef CGAL::Mesh_constant_domain_field_3<K, int> Sizing_field;
namespace PMP = CGAL::Polygon_mesh_processing;
int main(int argc, char* argv[])
{
std::string filename = (argc > 1) ? std::string(argv[1])
: CGAL::data_file_path("meshes/anchor_dense.off");
Mesh mesh;
if(!PMP::IO::read_polygon_mesh(filename, mesh) || !CGAL::is_triangle_mesh(mesh))
{
std::cerr << "Invalid input." << std::endl;
return 1;
}
double target_edge_length = (argc > 2) ? std::stod(std::string(argv[2])) : 0.02;
Sizing_field size(target_edge_length);
double fdist = (argc > 3) ? std::stod(std::string(argv[3])) : 0.01;
std::cout << "Detect features..." << std::endl;
using EIFMap = boost::property_map<Mesh, CGAL::edge_is_feature_t>::type;
EIFMap eif = get(CGAL::edge_is_feature, mesh);
PMP::detect_sharp_edges(mesh, 45, eif);
std::cout << "Start remeshing of " << filename
<< " (" << num_faces(mesh) << " faces)..." << std::endl;
Mesh outmesh = PMP::surface_Delaunay_remeshing(mesh,
CGAL::parameters::protect_constraints(true)
.mesh_edge_size(size)
.mesh_facet_distance(fdist)
.edge_is_constrained_map(eif));
std::cout << "Remeshing done." << std::endl;
std::ofstream ofs("anchor_remeshed.off");
ofs << outmesh;
ofs.close();
return 0;
}
CGAL::Exact_predicates_inexact_constructions_kernel
CGAL::Mesh_constant_domain_field_3
CGAL::Surface_mesh
CGAL::is_triangle_mesh
bool is_triangle_mesh(const FaceGraph &g)