From 599d68cd916f533bdb66dd9e684dd5703233b6bb Mon Sep 17 00:00:00 2001 From: Gard Spreemann Date: Wed, 25 Sep 2019 14:29:41 +0200 Subject: Delete all files in order to incorporate upstream's move to git. --- .../rips_multifield_persistence.cpp | 154 --------------------- 1 file changed, 154 deletions(-) delete mode 100644 example/Persistent_cohomology/rips_multifield_persistence.cpp (limited to 'example/Persistent_cohomology/rips_multifield_persistence.cpp') diff --git a/example/Persistent_cohomology/rips_multifield_persistence.cpp b/example/Persistent_cohomology/rips_multifield_persistence.cpp deleted file mode 100644 index d6a5bdad..00000000 --- a/example/Persistent_cohomology/rips_multifield_persistence.cpp +++ /dev/null @@ -1,154 +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): Clément Maria - * - * Copyright (C) 2014 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 . - */ - -#include -#include -#include -#include -#include -#include - -#include - -#include -#include - -// Types definition -using Simplex_tree = Gudhi::Simplex_tree; -using Filtration_value = Simplex_tree::Filtration_value; -using Rips_complex = Gudhi::rips_complex::Rips_complex; -using Multi_field = Gudhi::persistent_cohomology::Multi_field; -using Persistent_cohomology = Gudhi::persistent_cohomology::Persistent_cohomology; -using Point = std::vector; -using Points_off_reader = Gudhi::Points_off_reader; - -void program_options(int argc, char * argv[] - , std::string & off_file_points - , std::string & filediag - , Filtration_value & threshold - , int & dim_max - , int & min_p - , int & max_p - , Filtration_value & min_persistence); - -int main(int argc, char * argv[]) { - std::string off_file_points; - std::string filediag; - Filtration_value threshold; - int dim_max; - int min_p; - int max_p; - Filtration_value min_persistence; - - program_options(argc, argv, off_file_points, filediag, threshold, dim_max, min_p, max_p, min_persistence); - - Points_off_reader off_reader(off_file_points); - Rips_complex rips_complex_from_file(off_reader.get_point_cloud(), threshold, Gudhi::Euclidean_distance()); - - // Construct the Rips complex in a Simplex Tree - Simplex_tree simplex_tree; - - rips_complex_from_file.create_complex(simplex_tree, dim_max); - std::cout << "The complex contains " << simplex_tree.num_simplices() << " simplices \n"; - std::cout << " and has dimension " << simplex_tree.dimension() << " \n"; - - // Sort the simplices in the order of the filtration - simplex_tree.initialize_filtration(); - - // Compute the persistence diagram of the complex - Persistent_cohomology pcoh(simplex_tree); - // initializes the coefficient field for homology - pcoh.init_coefficients(min_p, max_p); - - pcoh.compute_persistent_cohomology(min_persistence); - - // Output the diagram in filediag - if (filediag.empty()) { - pcoh.output_diagram(); - } else { - std::ofstream out(filediag); - pcoh.output_diagram(out); - out.close(); - } - - return 0; -} - -void program_options(int argc, char * argv[] - , std::string & off_file_points - , std::string & filediag - , Filtration_value & threshold - , int & dim_max - , int & min_p - , int & max_p - , Filtration_value & min_persistence) { - namespace po = boost::program_options; - po::options_description hidden("Hidden options"); - hidden.add_options() - ("input-file", po::value(&off_file_points), - "Name of an OFF file containing a point set.\n"); - - po::options_description visible("Allowed options"); - visible.add_options() - ("help,h", "produce help message") - ("output-file,o", po::value(&filediag)->default_value(std::string()), - "Name of file in which the persistence diagram is written. Default print in std::cout") - ("max-edge-length,r", po::value(&threshold)->default_value(0), - "Maximal length of an edge for the Rips complex construction.") - ("cpx-dimension,d", po::value(&dim_max)->default_value(1), - "Maximal dimension of the Rips complex we want to compute.") - ("min-field-charac,p", po::value(&min_p)->default_value(2), - "Minimal characteristic p of the coefficient field Z/pZ.") - ("max-field-charac,q", po::value(&max_p)->default_value(1223), - "Minimial characteristic q of the coefficient field Z/pZ.") - ("min-persistence,m", po::value(&min_persistence), - "Minimal lifetime of homology feature to be recorded. Default is 0"); - - po::positional_options_description pos; - pos.add("input-file", 1); - - po::options_description all; - all.add(visible).add(hidden); - - po::variables_map vm; - po::store(po::command_line_parser(argc, argv). - options(all).positional(pos).run(), vm); - po::notify(vm); - - if (vm.count("help") || !vm.count("input-file")) { - std::cout << std::endl; - std::cout << "Compute the persistent homology with various coefficient fields \n"; - std::cout << "of a Rips complex defined on a set of input points. The coefficient \n"; - std::cout << "fields are all the Z/rZ for a prime number r contained in the \n"; - std::cout << "specified range [p,q]\n \n"; - std::cout << "The output diagram contains one bar per line, written with the convention: \n"; - std::cout << " p1*...*pr dim b d \n"; - std::cout << "where dim is the dimension of the homological feature,\n"; - std::cout << "b and d are respectively the birth and death of the feature and \n"; - std::cout << "p1*...*pr is the product of prime numbers pi such that the homology \n"; - std::cout << "feature exists in homology with Z/piZ coefficients." << std::endl << std::endl; - - std::cout << "Usage: " << argv[0] << " [options] input-file" << std::endl << std::endl; - std::cout << visible << std::endl; - exit(-1); - } -} -- cgit v1.2.3