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author | Gard Spreemann <gspreemann@gmail.com> | 2017-04-20 11:10:45 +0200 |
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committer | Gard Spreemann <gspreemann@gmail.com> | 2017-04-20 11:10:45 +0200 |
commit | 8d7329f3e5ad843e553c3c5503cecc28ef2eead6 (patch) | |
tree | 6d80d83a7c4bcd3296e12a28404bfe84ef84ed55 /example/Subsampling/example_sparsify_point_set.cpp | |
parent | 55c7181126aa7defce38c9b82872d14223d4c1dd (diff) |
GUDHI 2.0.0 as released by upstream in a tarball.upstream/2.0.0
Diffstat (limited to 'example/Subsampling/example_sparsify_point_set.cpp')
-rw-r--r-- | example/Subsampling/example_sparsify_point_set.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/example/Subsampling/example_sparsify_point_set.cpp b/example/Subsampling/example_sparsify_point_set.cpp new file mode 100644 index 00000000..b35a18d9 --- /dev/null +++ b/example/Subsampling/example_sparsify_point_set.cpp @@ -0,0 +1,27 @@ +#include <gudhi/sparsify_point_set.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::sparsify_point_set(k, points, 0.4, std::back_inserter(results)); + std::cout << "Before sparsification: " << points.size() << " points.\n"; + std::cout << "After sparsification: " << results.size() << " points.\n"; + + return 0; +} |