diff options
Diffstat (limited to 'utilities/Persistence_representations/persistence_vectors/create_persistence_vectors.cpp')
-rw-r--r-- | utilities/Persistence_representations/persistence_vectors/create_persistence_vectors.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/utilities/Persistence_representations/persistence_vectors/create_persistence_vectors.cpp b/utilities/Persistence_representations/persistence_vectors/create_persistence_vectors.cpp new file mode 100644 index 00000000..cc5e5393 --- /dev/null +++ b/utilities/Persistence_representations/persistence_vectors/create_persistence_vectors.cpp @@ -0,0 +1,69 @@ +/* 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) 2016 INRIA (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/Persistence_vectors.h> + +#include <iostream> +#include <sstream> +#include <limits> +#include <vector> + +using Euclidean_distance = Gudhi::Euclidean_distance; +using Vector_distances_in_diagram = Gudhi::Persistence_representations::Vector_distances_in_diagram<Euclidean_distance>; + +int main(int argc, char** argv) { + std::cout << "This program creates persistence vectors files (*.vect) of persistence diagrams files (*.pers) " + << "provided as an input.\n" + << "The first parameter of this program is a dimension of persistence that will be used in creation of " + << "the persistence heat maps." + << "If your input files contains persistence pairs of various dimension, as a first parameter of the " + << "procedure please provide the dimension of persistence you want to use." + << "If in your files there are only birth-death pairs of the same dimension, set the first parameter to " + << "-1.\n" + << "The remaining parameters are the names of files with persistence diagrams. \n"; + + if (argc < 3) { + std::cout << "Wrong parameter list, the program will now terminate \n"; + return 1; + } + + std::cout << "The remaining parameters are the names of files with persistence diagrams. \n"; + int dim = atoi(argv[1]); + unsigned dimension = std::numeric_limits<unsigned>::max(); + if (dim >= 0) { + dimension = (unsigned)dim; + } + + std::vector<const char*> filenames; + for (int i = 2; i < argc; ++i) { + filenames.push_back(argv[i]); + } + + for (size_t i = 0; i != filenames.size(); ++i) { + std::cerr << "Creating persistence vectors based on a file : " << filenames[i] << std::endl; + Vector_distances_in_diagram l(filenames[i], dimension); + std::stringstream ss; + ss << filenames[i] << ".vect"; + l.print_to_file(ss.str().c_str()); + } + return 0; +} |