diff options
author | Gard Spreemann <gspreemann@gmail.com> | 2018-02-02 13:51:45 +0100 |
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committer | Gard Spreemann <gspreemann@gmail.com> | 2018-02-02 13:51:45 +0100 |
commit | 9899ae167f281d10b1684dfcd02c6838c5bf28df (patch) | |
tree | ceda62a40a9a8f731298832b1b4ab44ab0dd3a10 /example/Bitmap_cubical_complex/Bitmap_cubical_complex_periodic_boundary_conditions.cpp | |
parent | 866f6ce614e9c09c97fed12c8c0c2c9fb84fad3f (diff) |
GUDHI 2.1.0 as released by upstream in a tarball.upstream/2.1.0
Diffstat (limited to 'example/Bitmap_cubical_complex/Bitmap_cubical_complex_periodic_boundary_conditions.cpp')
-rw-r--r-- | example/Bitmap_cubical_complex/Bitmap_cubical_complex_periodic_boundary_conditions.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/example/Bitmap_cubical_complex/Bitmap_cubical_complex_periodic_boundary_conditions.cpp b/example/Bitmap_cubical_complex/Bitmap_cubical_complex_periodic_boundary_conditions.cpp deleted file mode 100644 index 122160a2..00000000 --- a/example/Bitmap_cubical_complex/Bitmap_cubical_complex_periodic_boundary_conditions.cpp +++ /dev/null @@ -1,82 +0,0 @@ -/* 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): Pawel Dlotko - * - * Copyright (C) 2015 INRIA Saclay (France) - * - * 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/>. - */ - - -#include <gudhi/reader_utils.h> -#include <gudhi/Bitmap_cubical_complex.h> -#include <gudhi/Bitmap_cubical_complex_periodic_boundary_conditions_base.h> -#include <gudhi/Persistent_cohomology.h> - -// standard stuff -#include <iostream> -#include <sstream> -#include <vector> -#include <string> - -int main(int argc, char** argv) { - std::cout << "This program computes persistent homology, by using " << - "Bitmap_cubical_complex_periodic_boundary_conditions class, of cubical complexes provided in text files in " << - "Perseus style (the only numbered in the first line is a dimension D of a bitmap. In the lines I between 2 " << - "and D+1 there are numbers of top dimensional cells in the direction I. Let N denote product of the numbers " << - "in the lines between 2 and D. In the lines D+2 to D+2+N there are filtrations of top dimensional cells. We " << - "assume that the cells are in the lexicographical order. See CubicalOneSphere.txt or CubicalTwoSphere.txt for" << - " example.\n" << std::endl; - - if (argc != 2) { - std::cerr << "Wrong number of parameters. Please provide the name of a file with a Perseus style bitmap at " << - "the input. The program will now terminate.\n"; - return 1; - } - - typedef Gudhi::cubical_complex::Bitmap_cubical_complex_periodic_boundary_conditions_base<double> Bitmap_base; - typedef Gudhi::cubical_complex::Bitmap_cubical_complex< Bitmap_base > Bitmap_cubical_complex; - - Bitmap_cubical_complex b(argv[1]); - - typedef Gudhi::persistent_cohomology::Field_Zp Field_Zp; - typedef Gudhi::persistent_cohomology::Persistent_cohomology<Bitmap_cubical_complex, Field_Zp> Persistent_cohomology; - // Compute the persistence diagram of the complex - Persistent_cohomology pcoh(b, true); - - int p = 2; - double min_persistence = 0; - pcoh.init_coefficients(p); // initializes the coefficient field for homology - pcoh.compute_persistent_cohomology(min_persistence); - - std::string output_file_name(argv[1]); - output_file_name += "_persistence"; - - std::size_t last_in_path = output_file_name.find_last_of("/\\"); - - if (last_in_path != std::string::npos) { - output_file_name = output_file_name.substr(last_in_path+1); - } - - std::ofstream out(output_file_name.c_str()); - pcoh.output_diagram(out); - out.close(); - - std::cout << "Result in file: " << output_file_name << "\n"; - - return 0; -} - |