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/* 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_landscape.h>
#include <iostream>
#include <sstream>
#include <vector>
#include <limits>
using Persistence_landscape = Gudhi::Persistence_representations::Persistence_landscape;
int main(int argc, char** argv) {
std::cout << "This program creates persistence landscapes of diagrams provided as an input. \n";
std::cout << "The first parameter of the program is the dimension of persistence to be used to construct persistence "
"landscapes. If your file contains ";
std::cout << "the information about dimension of persistence pairs, please provide here the dimension of persistence "
"pairs you want to use. If your input files consist only ";
std::cout << "of birth-death pairs, please set this first parameter to -1 \n";
std::cout << "The remaining parameters of the program are the names of files with persistence diagrams. \n";
std::vector<const char*> filenames;
int dim = atoi(argv[1]);
unsigned dimension = std::numeric_limits<unsigned>::max();
if (dim >= 0) {
dimension = (unsigned)dim;
}
for (int i = 2; i < argc; ++i) {
filenames.push_back(argv[i]);
}
std::cout << "Creating persistence landscapes...\n";
for (size_t i = 0; i != filenames.size(); ++i) {
Persistence_landscape l(filenames[i], dimension);
std::stringstream ss;
ss << filenames[i] << ".land";
l.print_to_file(ss.str().c_str());
}
std::cout << "Done \n";
return 0;
}
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