CGAL 6.0.1 - 3D Mesh Generation
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Mesh_3/mesh_3D_image_with_image_initialization.cpp
#include "random_labeled_image.h"
#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/Mesh_3/Construct_initial_points_labeled_image.h>
#include <CGAL/Labeled_mesh_domain_3.h>
#include <CGAL/make_mesh_3.h>
#include <CGAL/Image_3.h>
#include <CGAL/SMDS_3/Dump_c3t3.h>
// Domain
typedef CGAL::Labeled_mesh_domain_3<K> Mesh_domain;
#ifdef CGAL_CONCURRENT_MESH_3
typedef CGAL::Parallel_tag Concurrency_tag;
#else
typedef CGAL::Sequential_tag Concurrency_tag;
#endif
// Triangulation
// Criteria
typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
namespace params = CGAL::parameters;
int main()
{
CGAL::Image_3 image = random_labeled_image();
// Domain
Mesh_domain domain = Mesh_domain::create_labeled_image_mesh_domain(image);
// Mesh criteria
Mesh_criteria criteria(params::facet_angle(30).facet_size(3).facet_distance(1)
.cell_radius_edge_ratio(3).cell_size(3));
// Mesh generation with a custom initialization that places points in each of the image components.
C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria,
params::initial_points_generator(img_pts_generator));
// Output
CGAL::dump_c3t3(c3t3, "out");
return 0;
}
The class Image_3 is a C++ wrapper around the InrImage library.
Definition: Image_3.h:11
The class Labeled_mesh_domain_3 implements indexed domains.
Definition: Labeled_mesh_domain_3.h:359
The class gathers the refinement criteria for mesh tetrahedra and surface facets where surface facets...
Definition: Mesh_criteria_3.h:186
Functor for generating initial points in labeled images.
Definition: Construct_initial_points_labeled_image.h:96