CGAL 6.1 - Geometric Object Generators

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Generator/random_points_triangle_2.cpp
#include <iostream>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/point_generators_2.h>
#include <CGAL/Random.h>
typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
typedef K::Point_2 Point_2;
typedef K::Triangle_2 Triangle_2;
typedef std::vector<Point_2> Container;
typedef CGAL::Random_points_in_triangle_2<Point_2> Point_generator;
int main() {
std::cout << "Creating 100 random points in a triangle in 2D." << std::endl;
// The input triangle is as follows
Triangle_2 tri(Point_2(0,0),Point_2(1,0),Point_2(0,1));
// generated points are in that container
Container points;
// creating the generator, input is the Triangle_2 tri
Point_generator g(tri);
// get 100 random points in tri
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::Exact_predicates_inexact_constructions_kernel
CGAL::Random_points_in_triangle_2
The class Random_points_in_triangle_2 is an input iterator creating points uniformly distributed insi...
Definition: point_generators_2.h:283
Container