diff options
Diffstat (limited to 'src/Witness_complex/example/witness_complex_sphere.cpp')
| -rw-r--r-- | src/Witness_complex/example/witness_complex_sphere.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/Witness_complex/example/witness_complex_sphere.cpp b/src/Witness_complex/example/witness_complex_sphere.cpp index b26c9f36..e6f88274 100644 --- a/src/Witness_complex/example/witness_complex_sphere.cpp +++ b/src/Witness_complex/example/witness_complex_sphere.cpp @@ -27,7 +27,8 @@ #include <gudhi/Simplex_tree.h> #include <gudhi/Witness_complex.h> -#include <gudhi/Landmark_choice_by_random_point.h> +#include <gudhi/Construct_closest_landmark_table.h> +#include <gudhi/pick_n_random_points.h> #include <gudhi/reader_utils.h> #include <iostream> @@ -67,7 +68,7 @@ int main(int argc, char * const argv[]) { // Read the point file for (int nbP = 500; nbP < 10000; nbP += 500) { - Point_Vector point_vector; + Point_Vector point_vector, landmarks; generate_points_sphere(point_vector, nbP, 4); std::cout << "Successfully generated " << point_vector.size() << " points.\n"; std::cout << "Ambient dimension is " << point_vector[0].size() << ".\n"; @@ -75,7 +76,8 @@ int main(int argc, char * const argv[]) { // Choose landmarks start = clock(); std::vector<std::vector< int > > knn; - Gudhi::witness_complex::landmark_choice_by_random_point(point_vector, number_of_landmarks, knn); + Gudhi::subsampling::pick_n_random_points(point_vector, 100, std::back_inserter(landmarks)); + Gudhi::witness_complex::construct_closest_landmark_table(point_vector, landmarks, knn); // Compute witness complex Gudhi::witness_complex::witness_complex(knn, number_of_landmarks, point_vector[0].size(), simplex_tree); |