diff options
Diffstat (limited to 'utilities/Persistence_representations/persistence_intervals/plot_histogram_of_intervals_lengths.cpp')
-rw-r--r-- | utilities/Persistence_representations/persistence_intervals/plot_histogram_of_intervals_lengths.cpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/utilities/Persistence_representations/persistence_intervals/plot_histogram_of_intervals_lengths.cpp b/utilities/Persistence_representations/persistence_intervals/plot_histogram_of_intervals_lengths.cpp deleted file mode 100644 index f283971b..00000000 --- a/utilities/Persistence_representations/persistence_intervals/plot_histogram_of_intervals_lengths.cpp +++ /dev/null @@ -1,77 +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) 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/>. - */ - -#include <gudhi/Persistence_intervals.h> - -#include <iostream> -#include <vector> -#include <limits> -#include <utility> - -using Persistence_intervals = Gudhi::Persistence_representations::Persistence_intervals; - -int main(int argc, char** argv) { - std::cout << "This program computes a histogram of barcode's length. A number of bins in the histogram is a " - << "parameter of this program. \n"; - if ((argc != 3) && (argc != 4)) { - std::cout << "To run this program, please provide the name of a file with persistence diagram and number of " - << "dominant intervals you would like to get. Set a negative number dominant intervals value " - << "If your file contains only birth-death pairs.\n" - << "The third parameter is the dimension of the persistence that is to be used. If your " - << "file contains only birth-death pairs, you can skip this parameter\n"; - return 1; - } - - unsigned dominant_interval_number = std::numeric_limits<unsigned>::max(); - int nbr = atoi(argv[2]); - if (nbr >= 0) { - dominant_interval_number = static_cast<unsigned>(nbr); - } - - int persistence_dimension = -1; - if (argc == 4) { - persistence_dimension = atoi(argv[3]); - } - - Persistence_intervals p(argv[1], dominant_interval_number); - std::vector<std::pair<double, double> > dominant_intervals = p.dominant_intervals(persistence_dimension); - std::vector<size_t> histogram = p.histogram_of_lengths(10); - - std::stringstream gnuplot_script; - gnuplot_script << argv[1] << "_GnuplotScript"; - std::ofstream out; - out.open(gnuplot_script.str().c_str()); - - out << "set style data histogram" << std::endl; - out << "set style histogram cluster gap 1" << std::endl; - out << "set style fill solid border -1" << std::endl; - out << "plot '-' notitle" << std::endl; - for (size_t i = 0; i != histogram.size(); ++i) { - out << histogram[i] << std::endl; - } - out << std::endl; - out.close(); - - std::cout << "To visualize, install gnuplot and type the command: gnuplot -persist -e \"load \'" - << gnuplot_script.str().c_str() << "\'\"" << std::endl; - return 0; -} |