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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>
using namespace Gudhi;
using namespace Gudhi::Persistence_representations;
#include <iostream>
int main(int argc, char** argv) {
std::cout << "This program computes average persistence landscape of persistence landscapes created based on "
"persistence diagrams provided as an input (you must create them first).\n";
std::cout << "Please call this program with the names of files with persistence landscapes. The program will create "
"a persistence landscape which will be their average \n";
std::vector<const char*> filenames;
if (argc == 1) {
std::cout << "No input files given, the program will now terminate \n";
return 1;
}
for (int i = 1; i < argc; ++i) {
filenames.push_back(argv[i]);
}
std::cout << "Creating persistence landscapes...\n";
std::vector<Persistence_landscape*> lands;
for (size_t i = 0; i != filenames.size(); ++i) {
Persistence_landscape* l = new Persistence_landscape;
l->load_landscape_from_file(filenames[i]);
lands.push_back(l);
}
Persistence_landscape av;
av.compute_average(lands);
av.print_to_file("average.land");
for (size_t i = 0; i != filenames.size(); ++i) {
delete lands[i];
}
std::cout << "Done \n";
return 0;
}
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