CGAL 6.1.2 - 3D Triangulations: Triangulation_3/simplex.cpp

CGAL 6.1.2 - 3D Triangulations

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Triangulation_3/simplex.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Triangulation_3.h>
#include <iostream>
#include <fstream>
#include <list>
#include <set>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef CGAL::Triangulation_3<K> Triangulation;
typedef Triangulation::Finite_vertices_iterator Finite_vertices_iterator;
typedef Triangulation::Finite_edges_iterator Finite_edges_iterator;
typedef Triangulation::Finite_facets_iterator Finite_facets_iterator;
typedef Triangulation::Finite_cells_iterator Finite_cells_iterator;
typedef Triangulation::Simplex Simplex;
typedef Triangulation::Locate_type Locate_type;
typedef Triangulation::Point Point;
int main()
{
// construction from a list of points :
std::list<Point> L;
L.push_front(Point(0,0,0));
L.push_front(Point(1,0,0));
L.push_front(Point(0,1,0));
L.push_front(Point(0,1,1));
Triangulation T(L.begin(), L.end());
std::set<Simplex> simplices;
Finite_vertices_iterator vit = T.finite_vertices_begin();
simplices.insert(Simplex(vit));
Finite_cells_iterator cit = T.finite_cells_begin();
simplices.insert(Simplex(cit));
Finite_edges_iterator eit = T.finite_edges_begin();
simplices.insert(Simplex(*eit));
Finite_facets_iterator fit = T.finite_facets_begin();
simplices.insert(Simplex(*fit));
for (std::set<Simplex>::iterator it = simplices.begin();
it != simplices.end(); it++) {
std::cout << it->dimension() << std::endl;
}
return 0;
}
CGAL::Exact_predicates_inexact_constructions_kernel
CGAL::Triangulation_3
The class Triangulation_3 represents a 3-dimensional tetrahedralization of points.
Definition: Triangulation_3.h:40