CGAL 4.7 - 3D Periodic Triangulations: Periodic_3_triangulation_3/colored_vertices.cpp

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

CGAL 4.7 - 3D Periodic Triangulations

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Periodic_3_triangulation_3/colored_vertices.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Periodic_3_Delaunay_triangulation_filtered_traits_3.h>
#include <CGAL/Periodic_3_Delaunay_triangulation_3.h>
#include <CGAL/Triangulation_vertex_base_with_info_3.h>
#include <CGAL/IO/Color.h>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef CGAL::Periodic_3_Delaunay_triangulation_filtered_traits_3<K> GT;
typedef CGAL::Periodic_3_triangulation_ds_vertex_base_3<> VbDS;
typedef CGAL::Triangulation_vertex_base_3<GT,VbDS> Vb;
typedef CGAL::Periodic_3_triangulation_ds_cell_base_3<> CbDS;
typedef CGAL::Triangulation_cell_base_3<GT,CbDS> Cb;
typedef CGAL::Triangulation_vertex_base_with_info_3<CGAL::Color, GT, Vb> VbInfo;
typedef CGAL::Triangulation_data_structure_3<VbInfo, Cb> TDS;
typedef CGAL::Periodic_3_Delaunay_triangulation_3<GT, TDS> PDT;
typedef PDT::Point Point;
int main()
{
PDT T;
T. insert(Point(0,0,0));
T.insert(Point(.1,0,0));
T.insert(Point(0,.1,0));
T.insert(Point(0,0,.1));
T.insert(Point(.2,.2,.2));
T.insert(Point(.9,0,.1));
// Set the color of finite vertices of degree 6 to red.
PDT::Vertex_iterator vit;
for (vit = T.vertices_begin(); vit != T.vertices_end(); ++vit)
if (T.degree(vit) == 6)
vit->info() = CGAL::RED;
return 0;
}