cgal/Orthtree/examples/Orthtree/orthtree_build.cpp

39 lines
1.1 KiB
C++

#include <iostream>
#include <CGAL/Epick_d.h>
#include <CGAL/Cartesian_d.h>
#include <CGAL/Orthtree.h>
#include <CGAL/Orthtree_traits_point.h>
#include <CGAL/Random.h>
// Type Declarations
using Dimension = CGAL::Dimension_tag<4>;
using Kernel = CGAL::Epick_d<Dimension>;
using Point_d = Kernel::Point_d;
using Point_vector = std::vector<Point_d>;
using Traits = CGAL::Orthtree_traits_point<Kernel, Point_vector>;
using Traits2 = CGAL::Orthtree_traits_point<Kernel, Point_vector, CGAL::Identity_property_map<typename std::iterator_traits<typename Point_vector::iterator>::value_type>, CGAL::Dimension_tag<4>>;
using Orthtree = CGAL::Orthtree<Traits2>;
int main()
{
CGAL::Random r;
Point_vector points_dd;
for (std::size_t i = 0; i < 500; ++ i)
{
std::array<double, Dimension::value> init{};
for (double& v : init)
v = r.get_double(-1., 1.);
points_dd.emplace_back (init.begin(), init.end());
}
Orthtree orthtree(points_dd);
orthtree.refine(10, 5);
std::cout << orthtree.bbox(orthtree.root()).min()[0] << std::endl;
std::cout << orthtree << std::endl;
return EXIT_SUCCESS;
}