\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - 2D Triangulation

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Triangulation_2/regular.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Regular_triangulation_euclidean_traits_2.h>
#include <CGAL/Regular_triangulation_filtered_traits_2.h>
#include <CGAL/Regular_triangulation_2.h>
#include <fstream>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef CGAL::Regular_triangulation_filtered_traits_2<K> Traits;
typedef CGAL::Regular_triangulation_2<Traits> Regular_triangulation;
int main()
{
std::ifstream in("data/regular.cin");
Regular_triangulation::Weighted_point wp;
int count = 0;
std::vector<Regular_triangulation::Weighted_point> wpoints;
while(in >> wp){
count++;
wpoints.push_back(wp);
}
Regular_triangulation rt(wpoints.begin(), wpoints.end());
rt.is_valid();
std::cout << "number of inserted points : " << count << std::endl;
std::cout << "number of vertices : " ;
std::cout << rt.number_of_vertices() << std::endl;
std::cout << "number of hidden vertices : " ;
std::cout << rt.number_of_hidden_vertices() << std::endl;
return 0;
}