From 9899ae167f281d10b1684dfcd02c6838c5bf28df Mon Sep 17 00:00:00 2001 From: Gard Spreemann Date: Fri, 2 Feb 2018 13:51:45 +0100 Subject: GUDHI 2.1.0 as released by upstream in a tarball. --- .../create_landscapes_on_grid.cpp | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 utilities/Persistence_representations/persistence_landscapes_on_grid/create_landscapes_on_grid.cpp (limited to 'utilities/Persistence_representations/persistence_landscapes_on_grid/create_landscapes_on_grid.cpp') diff --git a/utilities/Persistence_representations/persistence_landscapes_on_grid/create_landscapes_on_grid.cpp b/utilities/Persistence_representations/persistence_landscapes_on_grid/create_landscapes_on_grid.cpp new file mode 100644 index 00000000..78e8ef57 --- /dev/null +++ b/utilities/Persistence_representations/persistence_landscapes_on_grid/create_landscapes_on_grid.cpp @@ -0,0 +1,79 @@ +/* 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 . + */ + +#include + +#include +#include +#include +#include + +using Persistence_landscape_on_grid = Gudhi::Persistence_representations::Persistence_landscape_on_grid; + +int main(int argc, char** argv) { + std::cout << "This program creates persistence landscapes on grid files (*.g_land) of persistence diagrams files " + << "(*.pers) provided as an input.\n" + << "The first parameter of a program is an integer, a size of a grid.\n" + << "The second and third parameters are min and max of the grid. If you want those numbers to be computed " + << "based on the data, set them both to -1 \n" + << "The fourth 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 fourth 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 fourth parameter to " + << "-1.\n" + << "The remaining parameters are the names of files with persistence diagrams. \n"; + + if (argc < 6) { + std::cout << "Wrong parameter list, the program will now terminate \n"; + return 1; + } + + size_t size_of_grid = (size_t)atoi(argv[1]); + double min_ = atof(argv[2]); + double max_ = atof(argv[3]); + int dim = atoi(argv[4]); + unsigned dimension = std::numeric_limits::max(); + if (dim >= 0) { + dimension = (unsigned)dim; + } + + std::vector filenames; + for (int i = 5; i < argc; ++i) { + filenames.push_back(argv[i]); + } + + for (size_t i = 0; i != filenames.size(); ++i) { + std::cout << "Creating persistence landscape on a grid based on a file : " << filenames[i] << std::endl; + Persistence_landscape_on_grid l; + if ((min_ != -1) || (max_ != -1)) { + l = Persistence_landscape_on_grid(filenames[i], min_, max_, size_of_grid, dimension); + } else { + // (min_ == -1) && (max_ == -1), in this case the program will find min_ and max_ based on the data. + l = Persistence_landscape_on_grid(filenames[i], size_of_grid, dimension); + } + std::stringstream ss; + ss << filenames[i] << ".g_land"; + l.print_to_file(ss.str().c_str()); + } + return 0; +} -- cgit v1.2.3