CGAL 5.6.3 - Geometric Object Generators

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Generator/random_points_on_triangle_mesh_3.cpp
#include <CGAL/Simple_cartesian.h>
#include <CGAL/Polyhedron_3.h>
#include <CGAL/point_generators_3.h>
#include <iostream>
#include <fstream>
using namespace CGAL;
typedef Simple_cartesian<double> K;
typedef CGAL::Polyhedron_3<K> Polyhedron;
typedef K::Point_3 Point;
typedef K::FT FT;
int main()
{
// Generated points are in that vector
std::vector<Point> points;
// Create input polyhedron
Polyhedron polyhedron;
polyhedron.make_tetrahedron(Point(-1,0,0), Point(0,1,0), Point(1,0,0), Point(0,0,-1));
// Create the generator, input is the Polyhedron polyhedron
Random_points_in_triangle_mesh_3<Polyhedron>
g(polyhedron);
// Get 100 random points in cdt
std::copy_n(g, 100, std::back_inserter(points));
// Check that we have really created 100 points.
assert( points.size() == 100);
// print the first point that was generated
std::cout << points[0] << std::endl;
return 0;
}
CGAL
CGAL::Random_points_in_triangle_mesh_3
The class Random_points_in_triangle_mesh_3 is an input iterator creating points uniformly distributed...
Definition: point_generators_3.h:477
CGAL::Simple_cartesian