/* 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
using namespace Gudhi;
using namespace Gudhi::Persistence_representations;
#include
#include
int main(int argc, char** argv) {
std::cout << "This program creates persistence landscape on grid of diagrams provided as an input.\n";
std::cout << "The first parameter of a program is an integer, a size of a grid.\n";
std::cout << "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";
std::cout << "The fourth parameter of the program is the dimension of persistence to be used to construct "
"persistence landscape on a grid. If your file contains ";
std::cout << "the information about dimension of birth-death pairs, please provide here the dimension of intervals "
"you want to use. If your input files consist only ";
std::cout << "of birth-death pairs, please set the fourth parameter to -1 \n";
std::cout << "The remaining parameters are the names of files with persistence diagrams. \n";
if (argc < 5) {
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]);
}
std::cout << "Creating persistence landscapes...\n";
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());
}
std::cout << "Done \n";
return 0;
}