diff options
Diffstat (limited to 'src/Persistence_representations/utilities/persistence_landscapes')
6 files changed, 297 insertions, 0 deletions
diff --git a/src/Persistence_representations/utilities/persistence_landscapes/CMakeLists.txt b/src/Persistence_representations/utilities/persistence_landscapes/CMakeLists.txt new file mode 100644 index 00000000..6b24d032 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_landscapes/CMakeLists.txt @@ -0,0 +1,9 @@ +project(Persistence_representations_landscapes_utilities) + +add_persistence_representation_creation_utility(create_landscapes "-1") + +add_persistence_representation_plot_utility(plot_landscapes ".land") + +add_persistence_representation_function_utility(average_landscapes ".land") +add_persistence_representation_function_utility(compute_distance_of_landscapes ".land" "1") +add_persistence_representation_function_utility(compute_scalar_product_of_landscapes ".land") diff --git a/src/Persistence_representations/utilities/persistence_landscapes/average_landscapes.cpp b/src/Persistence_representations/utilities/persistence_landscapes/average_landscapes.cpp new file mode 100644 index 00000000..04a0ada4 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_landscapes/average_landscapes.cpp @@ -0,0 +1,51 @@ +/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT. + * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details. + * Author(s): Pawel Dlotko + * + * Copyright (C) 2016 Inria + * + * Modification(s): + * - YYYY/MM Author: Description of the modification + */ + +#include <gudhi/Persistence_landscape.h> + +#include <iostream> +#include <vector> + +using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape; + +int main(int argc, char** argv) { + std::cout << "This program computes average of persistence landscapes stored in files (the files needs to be " + << "created beforehand).\n" + << "The parameters of this programs are names of files with persistence landscapes.\n"; + std::vector<const char*> filenames; + + if (argc < 3) { + std::cout << "Wrong number of parameters, the program will now terminate \n"; + return 1; + } + + for (int i = 1; i < argc; ++i) { + filenames.push_back(argv[i]); + } + + std::vector<Persistence_landscape*> lands; + for (size_t i = 0; i != filenames.size(); ++i) { + Persistence_landscape* l = new Persistence_landscape; + l->load_landscape_from_file(filenames[i]); + lands.push_back(l); + } + + Persistence_landscape av; + av.compute_average(lands); + + av.print_to_file("average.land"); + + for (size_t i = 0; i != filenames.size(); ++i) { + delete lands[i]; + } + + std::cout << "Average can be found in 'average.land' file\n"; + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp b/src/Persistence_representations/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp new file mode 100644 index 00000000..1093c1aa --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_landscapes/compute_distance_of_landscapes.cpp @@ -0,0 +1,81 @@ +/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT. + * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details. + * Author(s): Pawel Dlotko + * + * Copyright (C) 2016 Inria + * + * Modification(s): + * - YYYY/MM Author: Description of the modification + */ + +#include <gudhi/Persistence_landscape.h> + +#include <iostream> +#include <sstream> +#include <limits> +#include <vector> + +using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape; + +int main(int argc, char** argv) { + std::cout << "This program computes distance of persistence landscapes stored in files (the files needs to be " + << "created beforehand).\n" + << "The first parameter of a program is an integer p. The program compute L^p distance of the two heat " + << "maps. For L^infty distance choose p = -1. \n" + << "The remaining parameters of this program are names of files with persistence landscapes.\n"; + + if (argc < 3) { + std::cout << "Wrong number of parameters, the program will now terminate \n"; + return 1; + } + + int pp = atoi(argv[1]); + double p = std::numeric_limits<double>::max(); + if (pp != -1) { + p = pp; + } + + std::vector<const char*> filenames; + for (int i = 2; i < argc; ++i) { + filenames.push_back(argv[i]); + } + std::vector<Persistence_landscape> landscaspes; + landscaspes.reserve(filenames.size()); + for (size_t file_no = 0; file_no != filenames.size(); ++file_no) { + Persistence_landscape l; + l.load_landscape_from_file(filenames[file_no]); + landscaspes.push_back(l); + } + + // and now we will compute the scalar product of landscapes. + + // first we prepare an array: + std::vector<std::vector<double> > distance(filenames.size()); + for (size_t i = 0; i != filenames.size(); ++i) { + std::vector<double> v(filenames.size(), 0); + distance[i] = v; + } + + // and now we can compute the distances: + for (size_t i = 0; i != landscaspes.size(); ++i) { + for (size_t j = i; j != landscaspes.size(); ++j) { + distance[i][j] = distance[j][i] = compute_distance_of_landscapes(landscaspes[i], landscaspes[j], p); + } + } + + // and now output the result to the screen and a file: + std::ofstream out; + out.open("distance.land"); + for (size_t i = 0; i != distance.size(); ++i) { + for (size_t j = 0; j != distance.size(); ++j) { + std::cout << distance[i][j] << " "; + out << distance[i][j] << " "; + } + std::cout << std::endl; + out << std::endl; + } + out.close(); + + std::cout << "Distance can be found in 'distance.land' file\n"; + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp b/src/Persistence_representations/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp new file mode 100644 index 00000000..16b76497 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_landscapes/compute_scalar_product_of_landscapes.cpp @@ -0,0 +1,72 @@ +/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT. + * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details. + * Author(s): Pawel Dlotko + * + * Copyright (C) 2016 Inria + * + * Modification(s): + * - YYYY/MM Author: Description of the modification + */ + +#include <gudhi/Persistence_landscape.h> + +#include <iostream> +#include <sstream> +#include <vector> + +using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape; + +int main(int argc, char** argv) { + std::cout << "This program computes scalar product of persistence landscapes stored in a file (the file needs to be " + << "created beforehand). \n" + << "The parameters of this programs are names of files with persistence landscapes.\n"; + + if (argc < 3) { + std::cout << "Wrong number of parameters, the program will now terminate \n"; + return 1; + } + + std::vector<const char*> filenames; + for (int i = 1; i < argc; ++i) { + filenames.push_back(argv[i]); + } + std::vector<Persistence_landscape> landscaspes; + landscaspes.reserve(filenames.size()); + for (size_t file_no = 0; file_no != filenames.size(); ++file_no) { + Persistence_landscape l; + l.load_landscape_from_file(filenames[file_no]); + landscaspes.push_back(l); + } + + // and now we will compute the scalar product of landscapes. + + // first we prepare an array: + std::vector<std::vector<double> > scalar_product(filenames.size()); + for (size_t i = 0; i != filenames.size(); ++i) { + std::vector<double> v(filenames.size(), 0); + scalar_product[i] = v; + } + + // and now we can compute the scalar product: + for (size_t i = 0; i != landscaspes.size(); ++i) { + for (size_t j = i; j != landscaspes.size(); ++j) { + scalar_product[i][j] = scalar_product[j][i] = compute_inner_product(landscaspes[i], landscaspes[j]); + } + } + + // and now output the result to the screen and a file: + std::ofstream out; + out.open("scalar_product.land"); + for (size_t i = 0; i != scalar_product.size(); ++i) { + for (size_t j = 0; j != scalar_product.size(); ++j) { + std::cout << scalar_product[i][j] << " "; + out << scalar_product[i][j] << " "; + } + std::cout << std::endl; + out << std::endl; + } + out.close(); + + std::cout << "Distance can be found in 'scalar_product.land' file\n"; + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_landscapes/create_landscapes.cpp b/src/Persistence_representations/utilities/persistence_landscapes/create_landscapes.cpp new file mode 100644 index 00000000..4d772086 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_landscapes/create_landscapes.cpp @@ -0,0 +1,53 @@ +/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT. + * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details. + * Author(s): Pawel Dlotko + * + * Copyright (C) 2016 Inria + * + * Modification(s): + * - YYYY/MM Author: Description of the modification + */ + +#include <gudhi/Persistence_landscape.h> + +#include <iostream> +#include <sstream> +#include <vector> +#include <limits> + +using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape; + +int main(int argc, char** argv) { + std::cout << "This program creates persistence landscapes files (*.land) 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::vector<const char*> filenames; + int dim = atoi(argv[1]); + unsigned dimension = std::numeric_limits<unsigned>::max(); + if (dim >= 0) { + dimension = (unsigned)dim; + } + for (int i = 2; i < argc; ++i) { + filenames.push_back(argv[i]); + } + + for (size_t i = 0; i != filenames.size(); ++i) { + std::cout << "Creating a landscape based on file : " << filenames[i] << std::endl; + Persistence_landscape l(filenames[i], dimension); + std::stringstream ss; + ss << filenames[i] << ".land"; + l.print_to_file(ss.str().c_str()); + } + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp b/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp new file mode 100644 index 00000000..1fe03640 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_landscapes/plot_landscapes.cpp @@ -0,0 +1,31 @@ +/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT. + * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details. + * Author(s): Pawel Dlotko + * + * Copyright (C) 2016 Inria + * + * Modification(s): + * - YYYY/MM Author: Description of the modification + */ + +#include <gudhi/Persistence_landscape.h> + +#include <iostream> +#include <sstream> + +using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape; + +int main(int argc, char** argv) { + std::cout << "This program creates a gnuplot script from a persistence landscape stored in a file (the file needs " + << "to be created beforehand). Please call the code with the name of a single landscape file.\n"; + if (argc != 2) { + std::cout << "Wrong parameter list, the program will now terminate \n"; + return 1; + } + + Persistence_landscape l; + l.load_landscape_from_file(argv[1]); + l.plot(argv[1]); + + return 0; +} |