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#!/usr/bin/env python
import gudhi
import numpy
from functools import reduce
import argparse
import operator
""" This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
Author(s): Vincent Rouvreau
Copyright (C) 2016 Inria
Modification(s):
- YYYY/MM Author: Description of the modification
"""
__author__ = "Vincent Rouvreau"
__copyright__ = "Copyright (C) 2016 Inria"
__license__ = "MIT"
parser = argparse.ArgumentParser(
description="Random cubical complex.",
epilog="Example: "
"./random_cubical_complex_persistence_example.py"
" 10 10 10 - Constructs a random cubical "
"complex in a dimension [10, 10, 10] (aka. "
"1000 random top dimensional cells).",
)
parser.add_argument("dimension", type=int, nargs="*", help="Cubical complex dimensions")
args = parser.parse_args()
dimension_multiplication = reduce(operator.mul, args.dimension, 1)
if dimension_multiplication > 1:
print("#####################################################################")
print("CubicalComplex creation")
cubical_complex = gudhi.CubicalComplex(
dimensions=args.dimension,
top_dimensional_cells=numpy.random.rand(dimension_multiplication),
)
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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