diff options
Diffstat (limited to 'src/Witness_complex/utilities/weak_witness_persistence.cpp')
| -rw-r--r-- | src/Witness_complex/utilities/weak_witness_persistence.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/Witness_complex/utilities/weak_witness_persistence.cpp b/src/Witness_complex/utilities/weak_witness_persistence.cpp index a1146922..a63b0837 100644 --- a/src/Witness_complex/utilities/weak_witness_persistence.cpp +++ b/src/Witness_complex/utilities/weak_witness_persistence.cpp @@ -25,6 +25,7 @@ #include <gudhi/Persistent_cohomology.h> #include <gudhi/Points_off_io.h> #include <gudhi/pick_n_random_points.h> +#include <gudhi/choose_n_farthest_points.h> #include <boost/program_options.hpp> @@ -76,8 +77,9 @@ int main(int argc, char * argv[]) { std::cout << "Successfully read " << witnesses.size() << " points.\n"; std::cout << "Ambient dimension is " << witnesses[0].dimension() << ".\n"; - // Choose landmarks from witnesses - Gudhi::subsampling::pick_n_random_points(witnesses, nbL, std::back_inserter(landmarks)); + // Choose landmarks (decomment one of the following two lines) + // Gudhi::subsampling::pick_n_random_points(point_vector, nbL, std::back_inserter(landmarks)); + Gudhi::subsampling::choose_n_farthest_points(K(), witnesses, nbL, Gudhi::subsampling::random_starting_point, std::back_inserter(landmarks)); // Compute witness complex Witness_complex witness_complex(landmarks, |