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Diffstat (limited to 'src/Persistence_representations/utilities/persistence_vectors')
7 files changed, 387 insertions, 0 deletions
diff --git a/src/Persistence_representations/utilities/persistence_vectors/CMakeLists.txt b/src/Persistence_representations/utilities/persistence_vectors/CMakeLists.txt new file mode 100644 index 00000000..e3d1013b --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/CMakeLists.txt @@ -0,0 +1,38 @@ +cmake_minimum_required(VERSION 2.6) +project(Persistence_vectors_utilities) + +file(COPY "${CMAKE_SOURCE_DIR}/data/persistence_diagram/simple_diagram.txt" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/") + +add_executable ( create_persistence_vectors create_persistence_vectors.cpp ) +target_link_libraries(create_persistence_vectors ${Boost_SYSTEM_LIBRARY}) + +# Will create simple_diagram.txt.vect +add_test(NAME create_persistence_vectors COMMAND $<TARGET_FILE:create_persistence_vectors> + "-1" "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt") + +add_executable ( average_persistence_vectors average_persistence_vectors.cpp ) +target_link_libraries(average_persistence_vectors ${Boost_SYSTEM_LIBRARY}) + +add_test(NAME average_persistence_vectors COMMAND $<TARGET_FILE:average_persistence_vectors> + "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect" + "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect") + +add_executable ( compute_distance_of_persistence_vectors compute_distance_of_persistence_vectors.cpp ) +target_link_libraries(compute_distance_of_persistence_vectors ${Boost_SYSTEM_LIBRARY}) + +add_test(NAME compute_distance_of_persistence_vectors COMMAND $<TARGET_FILE:compute_distance_of_persistence_vectors> + "-1" "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect" + "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect") + +add_executable ( compute_scalar_product_of_persistence_vectors compute_scalar_product_of_persistence_vectors.cpp ) +target_link_libraries(compute_scalar_product_of_persistence_vectors ${Boost_SYSTEM_LIBRARY}) + +add_test(NAME compute_scalar_product_of_persistence_vectors COMMAND $<TARGET_FILE:compute_scalar_product_of_persistence_vectors> + "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect" + "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect") + +add_executable ( plot_persistence_vectors plot_persistence_vectors.cpp ) +target_link_libraries(plot_persistence_vectors ${Boost_SYSTEM_LIBRARY}) + +add_test(NAME plot_persistence_vectors COMMAND $<TARGET_FILE:plot_persistence_vectors> + "${CMAKE_CURRENT_BINARY_DIR}/simple_diagram.txt.vect") diff --git a/src/Persistence_representations/utilities/persistence_vectors/average_persistence_vectors.cpp b/src/Persistence_representations/utilities/persistence_vectors/average_persistence_vectors.cpp new file mode 100644 index 00000000..366ee2bc --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/average_persistence_vectors.cpp @@ -0,0 +1,67 @@ +/* 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 <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 computes average persistence vector of persistence vectors created based on persistence " + "diagrams provided as an input. \n"; + std::cout << "Please call this program with the names of files with persistence diagrams \n"; + std::vector<const char*> filenames; + + if (argc == 1) { + std::cout << "No input files given, the program will now terminate \n"; + return 1; + } + + for (int i = 1; i < argc; ++i) { + filenames.push_back(argv[i]); + } + + std::cout << "Reading persistence vectors...\n"; + std::vector<Vector_distances_in_diagram*> lands; + for (size_t i = 0; i != filenames.size(); ++i) { + Vector_distances_in_diagram* l = new Vector_distances_in_diagram; + l->load_from_file(filenames[i]); + lands.push_back(l); + } + + Vector_distances_in_diagram av; + av.compute_average(lands); + + av.print_to_file("average.vect"); + + for (size_t i = 0; i != filenames.size(); ++i) { + delete lands[i]; + } + + std::cout << "Done \n"; + + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_vectors/compute_distance_of_persistence_vectors.cpp b/src/Persistence_representations/utilities/persistence_vectors/compute_distance_of_persistence_vectors.cpp new file mode 100644 index 00000000..3aed297e --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/compute_distance_of_persistence_vectors.cpp @@ -0,0 +1,94 @@ +/* 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 compute distance of persistence vectors stored in a file (the file needs to be created " + "beforehand). \n"; + std::cout << "The first parameter of a program is an integer p. The program compute l^p distance of the vectors. For " + "l^infty distance choose p = -1. \n"; + std::cout << "The remaining parameters of this programs are names of files with persistence vectors.\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<Vector_distances_in_diagram> vectors; + vectors.reserve(filenames.size()); + for (size_t file_no = 0; file_no != filenames.size(); ++file_no) { + Vector_distances_in_diagram l; + l.load_from_file(filenames[file_no]); + vectors.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 != vectors.size(); ++i) { + for (size_t j = i + 1; j != vectors.size(); ++j) { + distance[i][j] = distance[j][i] = vectors[i].distance(vectors[j], p); + } + } + + // and now output the result to the screen and a file: + std::ofstream out; + out.open("distance"); + 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(); + + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_vectors/compute_scalar_product_of_persistence_vectors.cpp b/src/Persistence_representations/utilities/persistence_vectors/compute_scalar_product_of_persistence_vectors.cpp new file mode 100644 index 00000000..d9ad4360 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/compute_scalar_product_of_persistence_vectors.cpp @@ -0,0 +1,80 @@ +/* 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 compute scalar product of persistence vectors stored in a file (the file needs to be " + "created beforehand). \n"; + std::cout << "The parameters of this programs are names of files with persistence vectors.\n"; + + std::vector<const char*> filenames; + for (int i = 1; i < argc; ++i) { + filenames.push_back(argv[i]); + } + std::vector<Vector_distances_in_diagram> vectors; + vectors.reserve(filenames.size()); + for (size_t file_no = 0; file_no != filenames.size(); ++file_no) { + Vector_distances_in_diagram l; + l.load_from_file(filenames[file_no]); + vectors.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 != vectors.size(); ++i) { + for (size_t j = i; j != vectors.size(); ++j) { + scalar_product[i][j] = scalar_product[j][i] = vectors[i].compute_scalar_product(vectors[j]); + } + } + + // and now output the result to the screen and a file: + std::ofstream out; + out.open("scalar_product"); + 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(); + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_vectors/create_persistence_vectors.cpp b/src/Persistence_representations/utilities/persistence_vectors/create_persistence_vectors.cpp new file mode 100644 index 00000000..b618ca67 --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/create_persistence_vectors.cpp @@ -0,0 +1,63 @@ +/* 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 of diagrams provided as an input. The first parameter of this " + "program is a dimension of persistence "; + std::cout << " that will be used in creation of the persistence vectors. If our input files contain persistence " + "pairs of various dimension, as a second parameter of the "; + std::cout << " procedure please provide the dimension of persistence you want to use. If in your file there are only " + "birth-death pairs of the same dimension, set the first parameter to -1." + << std::endl; + 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()); + } + std::cout << "Done \n"; + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_vectors/plot_persistence_vectors.cpp b/src/Persistence_representations/utilities/persistence_vectors/plot_persistence_vectors.cpp new file mode 100644 index 00000000..e52b8f7d --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/plot_persistence_vectors.cpp @@ -0,0 +1,44 @@ +/* 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> + +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 create a Gnuplot script to plot persistence vector. Please call this program with the " + "name of file with persistence vector. \n"; + if (argc != 2) { + std::cout << "Wrong number of parameters, the program will now terminate. \n"; + return 1; + } + Vector_distances_in_diagram l; + l.load_from_file(argv[1]); + l.plot(argv[1]); + + return 0; +} diff --git a/src/Persistence_representations/utilities/persistence_vectors/simple_diagram.txt.vect b/src/Persistence_representations/utilities/persistence_vectors/simple_diagram.txt.vect new file mode 100644 index 00000000..1d4eeaaf --- /dev/null +++ b/src/Persistence_representations/utilities/persistence_vectors/simple_diagram.txt.vect @@ -0,0 +1 @@ +0.707107 0.707107 0.707107 0.707107 0.707107 0.707107 0.707107 0.707107 0.707107 0.707107
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