CGAL 5.6 - 3D Mesh Generation
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Mesh_3/mesh_polyhedral_domain_with_surface_inside.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Mesh_triangulation_3.h>
#include <CGAL/Mesh_complex_3_in_triangulation_3.h>
#include <CGAL/Mesh_criteria_3.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/Polyhedral_mesh_domain_with_features_3.h>
#include <CGAL/make_mesh_3.h>
#include <CGAL/Timer.h>
// Domain
// Triangulation
Tr,Mesh_domain::Corner_index,Mesh_domain::Curve_index> C3t3;
// Criteria
typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
namespace params = CGAL::parameters;
int main(int argc, char*argv[])
{
std::cout.precision(17);
std::cerr.precision(17);
const std::string fname = (argc>1)?argv[1]:CGAL::data_file_path("meshes/horizons.off");
std::ifstream input(fname);
const std::string fname2 = (argc>2)?argv[2]:CGAL::data_file_path("meshes/horizons-domain.off");
std::ifstream input2(fname2);
Polyhedron sm, smbounding;
input >> sm;
input2 >> smbounding;
if(input.fail()){
std::cerr << "Error: Cannot read file " << fname << std::endl;
return EXIT_FAILURE;
}
t.start();
// Create domain
Mesh_domain domain(sm, smbounding);
// Get sharp features
domain.detect_features();
// Mesh criteria
Mesh_criteria criteria(params::edge_size(0.025).
facet_angle(25).
facet_size(0.05).
facet_distance(0.005).
cell_radius_edge_ratio(3).
cell_size(0.05));
// Mesh generation
C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria,
params::no_perturb().no_exude());
std::cerr << t.time() << " sec." << std::endl;
// Output
dump_c3t3(c3t3, "out");
}
The class gathers the refinement criteria for mesh tetrahedra and surface facets where surface facets...
Definition: Mesh_criteria_3.h:192
The class Polyhedral_mesh_domain_with_features_3 implements a domain whose boundary is a simplicial p...
Definition: Polyhedral_mesh_domain_with_features_3.h:33
double time() const
void start()