\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.4 - 3D Skin Surface Meshing
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Skin_surface_3/NGHK_skin_surface_subdiv.cpp
//#define CGAL_PROFILE
//#define CGAL_NO_ASSERTIONS
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Skin_surface_3.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/mesh_skin_surface_3.h>
#include <CGAL/Skin_surface_polyhedral_items_3.h>
#include <list>
#include <fstream>
#include "skin_surface_writer.h"
typedef CGAL::Skin_surface_3<Traits> Skin_surface_3;
typedef Skin_surface_3::FT FT;
typedef Skin_surface_3::Weighted_point Weighted_point;
typedef Weighted_point::Point Bare_point;
//typedef CGAL::Polyhedron_3<K> Polyhedron;
int main(int argc, char *argv[]) {
const char *filename;
if (argc < 2) {
filename = "data/caffeine.cin";
} else {
filename = argv[1];
}
std::list<Weighted_point> l;
FT shrinkfactor = 0.5;
Weighted_point wp;
std::ifstream in(filename);
while (in >> wp) l.push_back(wp);
Skin_surface_3 skin_surface(l.begin(), l.end(), shrinkfactor, false);
Polyhedron p;
std::cout << "Meshing ..." << std::endl;
CGAL::mesh_skin_surface_3(skin_surface, p);
std::cout << "Subdividing ..." << std::endl;
std::cout << "Is closed: " << (p.is_closed() ? "Yes" : "No") << std::endl;
std::ofstream out("mesh.off");
write_polyhedron_with_normals(skin_surface, p, out);
// out << p;
return 0;
}