/*    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 (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/reader_utils.h>
#include <gudhi/Persistence_intervals.h>
#include <gudhi/read_persistence_from_file.h>

#include <iostream>



using namespace Gudhi;
using namespace Gudhi::Persistence_representations;


double epsilon = 0.0000005;

	
int main( int argc , char** argv )
{
	if ( argc < 2 )
	{
		std::cout << "To run this program, please provide the name of a file with persistence diagram \n";
		std::cout << "The second optional parameter of a program is the dimension of the persistence that is to be used. If your file contains only birth-death pairs, you can skip this parameter\n";		
		return 1;
	}
	unsigned dimension = std::numeric_limits<unsigned>::max();
	int dim = -1;
	if ( argc > 2 )
	{
		dim = atoi( argv[2] );
	} 
	if ( dim >= 0 )
	{
		dimension = (unsigned)dim;
	}			
	std::vector< std::pair< double , double > > intervals = read_persistence_intervals_in_one_dimension_from_file( argv[1] , dimension );
	Persistence_intervals b( intervals );
	b.plot( argv[1] );
	return 0;
}