CGAL 5.6.3 - 3D Triangulations

Loading...
Searching...
No Matches
Triangulation_3/parallel_insertion_in_delaunay_3.cpp
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Delaunay_triangulation_3.h>
#include <CGAL/Delaunay_triangulation_cell_base_3.h>
#include <CGAL/point_generators_3.h>
#include <CGAL/Triangulation_vertex_base_3.h>
#include <iostream>
#include <fstream>
#include <vector>
int main()
{
#ifdef CGAL_LINKED_WITH_TBB
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
// Delaunay T3
typedef CGAL::Triangulation_data_structure_3<
CGAL::Triangulation_vertex_base_3<K>,
CGAL::Delaunay_triangulation_cell_base_3<K>,
CGAL::Parallel_tag> Tds;
typedef CGAL::Delaunay_triangulation_3<K, Tds> Triangulation;
typedef Triangulation::Point Point;
const int NUM_INSERTED_POINTS = 5000;
CGAL::Random_points_in_cube_3<Point> rnd(1.);
// Construction from a vector of 1,000,000 points
std::vector<Point> V;
V.reserve(NUM_INSERTED_POINTS);
for (int i = 0; i != NUM_INSERTED_POINTS; ++i)
V.push_back(*rnd++);
// Construct the locking data-structure, using the bounding-box of the points
Triangulation::Lock_data_structure locking_ds(
CGAL::Bbox_3(-1., -1., -1., 1., 1., 1.), 50);
// Construct the triangulation in parallel
Triangulation T(V.begin(), V.end(), &locking_ds);
assert(T.is_valid());
#endif //CGAL_LINKED_WITH_TBB
return 0;
}
CGAL::Bbox_3
CGAL::Delaunay_triangulation_3
The class Delaunay_triangulation_3 represents a three-dimensional Delaunay triangulation.
Definition: Delaunay_triangulation_3.h:65
CGAL::Delaunay_triangulation_cell_base_3
The class Delaunay_triangulation_cell_base_3 is a model of the concept DelaunayTriangulationCellBase_...
Definition: Delaunay_triangulation_cell_base_3.h:26
CGAL::Exact_predicates_inexact_constructions_kernel
CGAL::Triangulation_data_structure_3
CGAL::Triangulation_vertex_base_3
The class Triangulation_vertex_base_3 is a model of the concept TriangulationVertexBase_3,...
Definition: Triangulation_vertex_base_3.h:35
CGAL::Parallel_tag