/* 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 .
*/
#include
#include
#include
#include
#include
using squared_distance_from_diagonal_scaling =
Gudhi::Persistence_representations::squared_distance_from_diagonal_scaling;
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 square of distance of a center from the "
<< "diagonal.\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;
}