mirror of https://github.com/CGAL/cgal
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
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#include <CGAL/Mesh_triangulation_3.h>
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#include <CGAL/Mesh_complex_3_in_triangulation_3.h>
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#include <CGAL/Mesh_criteria_3.h>
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#include <CGAL/Labeled_mesh_domain_3.h>
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#include <CGAL/make_mesh_3.h>
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#include <CGAL/Image_3.h>
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// Domain
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typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
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typedef CGAL::Labeled_mesh_domain_3<K> Mesh_domain;
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#ifdef CGAL_CONCURRENT_MESH_3
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typedef CGAL::Parallel_tag Concurrency_tag;
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#else
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typedef CGAL::Sequential_tag Concurrency_tag;
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#endif
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// Triangulation
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typedef CGAL::Mesh_triangulation_3<Mesh_domain,CGAL::Default,Concurrency_tag>::type Tr;
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typedef CGAL::Mesh_complex_3_in_triangulation_3<Tr> C3t3;
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// Criteria
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typedef CGAL::Mesh_criteria_3<Tr> Mesh_criteria;
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// To avoid verbose function and named parameters call
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using namespace CGAL::parameters;
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int main(int argc, char* argv[])
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{
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/// [Loads image]
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const char* fname = (argc>1)?argv[1]:"data/liver.inr.gz";
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CGAL::Image_3 image;
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if(!image.read(fname)){
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std::cerr << "Error: Cannot read file " << fname << std::endl;
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return EXIT_FAILURE;
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}
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/// [Loads image]
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/// [Domain creation]
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Mesh_domain domain = Mesh_domain::create_labeled_image_mesh_domain(image);
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/// [Domain creation]
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// Mesh criteria
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Mesh_criteria criteria(facet_angle=30, facet_size=6, facet_distance=4,
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cell_radius_edge_ratio=3, cell_size=8);
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/// [Meshing]
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C3t3 c3t3 = CGAL::make_mesh_3<C3t3>(domain, criteria);
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/// [Meshing]
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// Output
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std::ofstream medit_file("out.mesh");
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c3t3.output_to_medit(medit_file);
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return 0;
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}
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