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. --- ...h_m_weighted_by_arctan_of_their_persistence.cpp | 81 ++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 utilities/Persistence_representations/persistence_heat_maps/create_p_h_m_weighted_by_arctan_of_their_persistence.cpp (limited to 'utilities/Persistence_representations/persistence_heat_maps/create_p_h_m_weighted_by_arctan_of_their_persistence.cpp') diff --git a/utilities/Persistence_representations/persistence_heat_maps/create_p_h_m_weighted_by_arctan_of_their_persistence.cpp b/utilities/Persistence_representations/persistence_heat_maps/create_p_h_m_weighted_by_arctan_of_their_persistence.cpp new file mode 100644 index 00000000..b4a1daa5 --- /dev/null +++ b/utilities/Persistence_representations/persistence_heat_maps/create_p_h_m_weighted_by_arctan_of_their_persistence.cpp @@ -0,0 +1,81 @@ +/* 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 arc_tan_of_persistence_of_point = Gudhi::Persistence_representations::arc_tan_of_persistence_of_point; +using Persistence_heat_maps = + Gudhi::Persistence_representations::Persistence_heat_maps; + +int main(int argc, char** argv) { + std::cout << "This program creates persistence heat map files (*.mps) of persistence diagrams files (*.pers) " + << "provided as an input.The Gaussian kernels are weighted by the arc tangential of their persistence.\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 is an integer, the standard deviation of a Gaussian kernel expressed in a number " + << "of pixels.\n" + << "The fifth 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 fifth 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 fifth parameter to " + << "-1.\n" + << "The remaining parameters are the names of files with persistence diagrams. \n"; + + if (argc < 7) { + 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]); + size_t stdiv = atof(argv[4]); + + unsigned dimension = std::numeric_limits::max(); + int dim = atoi(argv[5]); + if (dim >= 0) { + dimension = (unsigned)dim; + } + + std::vector filenames; + for (int i = 6; i < argc; ++i) { + filenames.push_back(argv[i]); + } + + std::vector > filter = Gudhi::Persistence_representations::create_Gaussian_filter(stdiv, 1); + for (size_t i = 0; i != filenames.size(); ++i) { + std::cout << "Creating a heat map based on a file : " << filenames[i] << std::endl; + Persistence_heat_maps l(filenames[i], filter, false, size_of_grid, min_, max_, dimension); + + std::stringstream ss; + ss << filenames[i] << ".mps"; + l.print_to_file(ss.str().c_str()); + } + return 0; +} -- cgit v1.2.3