diff options
Diffstat (limited to 'example/Subsampling/example_pick_n_random_points.cpp')
-rw-r--r-- | example/Subsampling/example_pick_n_random_points.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/example/Subsampling/example_pick_n_random_points.cpp b/example/Subsampling/example_pick_n_random_points.cpp new file mode 100644 index 00000000..1e38e405 --- /dev/null +++ b/example/Subsampling/example_pick_n_random_points.cpp @@ -0,0 +1,27 @@ +#include <gudhi/pick_n_random_points.h> + +#include <CGAL/Epick_d.h> +#include <CGAL/Random.h> + +#include <vector> +#include <iterator> + +int main(void) { + typedef CGAL::Epick_d<CGAL::Dimension_tag<4> > K; + typedef typename K::Point_d Point_d; + + CGAL::Random rd; + + std::vector<Point_d> points; + for (int i = 0; i < 500; ++i) + points.push_back(Point_d(rd.get_double(-1., 1), rd.get_double(-1., 1), + rd.get_double(-1., 1), rd.get_double(-1., 1))); + + K k; + std::vector<Point_d> results; + Gudhi::subsampling::pick_n_random_points(points, 100, std::back_inserter(results)); + std::cout << "Before sparsification: " << points.size() << " points.\n"; + std::cout << "After sparsification: " << results.size() << " points.\n"; + + return 0; +} |