summaryrefslogtreecommitdiff
path: root/src/Subsampling/example/example_pick_n_random_points.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/Subsampling/example/example_pick_n_random_points.cpp')
-rw-r--r--src/Subsampling/example/example_pick_n_random_points.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/Subsampling/example/example_pick_n_random_points.cpp b/src/Subsampling/example/example_pick_n_random_points.cpp
new file mode 100644
index 00000000..d2f063ba
--- /dev/null
+++ b/src/Subsampling/example/example_pick_n_random_points.cpp
@@ -0,0 +1,29 @@
+#include <gudhi/pick_n_random_points.h>
+
+#include <CGAL/Epick_d.h>
+#include <CGAL/Random.h>
+
+#include <array>
+#include <vector>
+#include <iterator>
+
+int main (void)
+{
+ typedef CGAL::Epick_d<CGAL::Dimension_tag<4> > K;
+ typedef typename K::FT FT;
+ 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(std::array<FT,4>({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;
+}