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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) 2015 INRIA Sophia-Saclay (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/abstract_classes/Abs_Topological_data.h>
#include <gudhi/concretizations/Persistence_landscape.h>
using namespace Gudhi;
using namespace Gudhi::Gudhi_stat;
#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< Abs_Topological_data_with_averages* > 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( (Abs_Topological_data_with_averages*)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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