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#!/usr/bin/env python
import gudhi
import numpy
import argparse
import operator
"""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): Vincent Rouvreau
Copyright (C) 2016 INRIA
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/>.
"""
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2016 INRIA"
__license__ = "GPL v3"
parser = argparse.ArgumentParser(description='Cubical complex from a perseus'
'file style name.',
epilog='Example: '
'./cubical_complex_from_perseus_file_example.py'
'../data/bitmap/CubicalTwoSphere.txt')
parser.add_argument('perseus_file', type=str, required=True,
help='Perseus file style name')
args = parser.parse_args()
print("#####################################################################")
print("CubicalComplex creation")
cubical_complex = gudhi.CubicalComplex(perseus_file=args.perseus_file)
print("persistence(homology_coeff_field=2, min_persistence=0)=")
print(cubical_complex.persistence(homology_coeff_field=2, min_persistence=0))
print("betti_numbers()=")
print(cubical_complex.betti_numbers())
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