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Diffstat (limited to 'src/cython/include/Euclidean_strong_witness_complex_interface.h')
-rw-r--r-- | src/cython/include/Euclidean_strong_witness_complex_interface.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/cython/include/Euclidean_strong_witness_complex_interface.h b/src/cython/include/Euclidean_strong_witness_complex_interface.h new file mode 100644 index 00000000..739014b9 --- /dev/null +++ b/src/cython/include/Euclidean_strong_witness_complex_interface.h @@ -0,0 +1,87 @@ +/* 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 EUCLIDEAN_STRONG_WITNESS_COMPLEX_INTERFACE_H +#define EUCLIDEAN_STRONG_WITNESS_COMPLEX_INTERFACE_H + +#include <gudhi/Simplex_tree.h> +#include <gudhi/Euclidean_strong_witness_complex.h> + +#include "Simplex_tree_interface.h" + +#include <CGAL/Epick_d.h> + +#include <vector> +#include <utility> // std::pair +#include <iostream> +#include <cstddef> + +namespace Gudhi { + +namespace witness_complex { + + +class Euclidean_strong_witness_complex_interface { + using Dynamic_kernel = CGAL::Epick_d< CGAL::Dynamic_dimension_tag >; + using Point_d = Dynamic_kernel::Point_d; + + typedef typename Simplex_tree<>::Simplex_key Simplex_key; + + public: + Euclidean_strong_witness_complex_interface(std::vector<std::vector<double>>&landmarks, std::vector<std::vector<double>>&witnesses) + : landmarks_(landmarks.begin(), landmarks.end()), + witnesses_(witnesses.begin(), witnesses.end()), + witness_complex_(landmarks_, witnesses_) { + } + + void create_simplex_tree(Gudhi::Simplex_tree<>* simplex_tree, double max_alpha_square, std::size_t limit_dimension) { + witness_complex_.create_complex(*simplex_tree, max_alpha_square, limit_dimension); + simplex_tree->initialize_filtration(); + } + + void create_simplex_tree(Gudhi::Simplex_tree<>* simplex_tree, double max_alpha_square) { + witness_complex_.create_complex(*simplex_tree, max_alpha_square); + simplex_tree->initialize_filtration(); + } + + std::vector<double> get_point(unsigned vh) { + std::vector<double> vd; + if (vh < landmarks_.size()) { + Point_d ph = witness_complex_.get_point(vh); + for (auto coord = ph.cartesian_begin(); coord < ph.cartesian_end(); coord++) + vd.push_back(*coord); + } + return vd; + } + + private: + std::vector<Point_d> landmarks_; + std::vector<Point_d> witnesses_; + Euclidean_strong_witness_complex<Dynamic_kernel> witness_complex_; +}; + +} // namespace witness_complex + +} // namespace Gudhi + +#endif // EUCLIDEAN_STRONG_WITNESS_COMPLEX_INTERFACE_H + |