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Diffstat (limited to 'src/cython/include')
-rw-r--r-- | src/cython/include/Subsampling_interface.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/cython/include/Subsampling_interface.h b/src/cython/include/Subsampling_interface.h new file mode 100644 index 00000000..bd37a015 --- /dev/null +++ b/src/cython/include/Subsampling_interface.h @@ -0,0 +1,59 @@ +/* This file is part of the Gudhi Library. The Gudhi library + * (Geometric Understanding in Higher Dimensions) is a generic C++ + * library for computational topology. + * + * Author(s): Vincent Rouvreau + * + * Copyright (C) 2016 INRIA + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef SUBSAMPLING_INTERFACE_H +#define SUBSAMPLING_INTERFACE_H + +#include <gudhi/choose_n_farthest_points.h> +#include <gudhi/Points_off_io.h> +#include <CGAL/Epick_d.h> + +#include <vector> +#include <iostream> + +namespace Gudhi { + +namespace subsampling { + +using Subsampling_dynamic_kernel = CGAL::Epick_d< CGAL::Dynamic_dimension_tag >; +using Subsampling_point_d = Subsampling_dynamic_kernel::Point_d; +using Subsampling_ft = Subsampling_dynamic_kernel::FT; + +std::vector<std::vector<double>> subsampling_n_farthest_points(std::vector<std::vector<double>>& points, unsigned nb_points) { + std::vector<Subsampling_point_d> input, output; + for (auto point : points) + input.push_back(Subsampling_point_d(point.size(), point.begin(), point.end())); + std::vector<std::vector<double>> landmarks; + Subsampling_dynamic_kernel k; + choose_n_farthest_points(k, points, nb_points, std::back_inserter(landmarks)); + std::cout << "output " << landmarks.size() << std::endl; + + + return landmarks; +} + +} // namespace subsampling + +} // namespace Gudhi + +#endif // SUBSAMPLING_INTERFACE_H + |