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#!/usr/bin/env python
from gudhi.datasets.generators import sphere
from gudhi import AlphaComplex
""" 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): Hind Montassif
Copyright (C) 2021 Inria
Modification(s):
- YYYY/MM Author: Description of the modification
"""
__author__ = "Hind Montassif"
__copyright__ = "Copyright (C) 2021 Inria"
__license__ = "MIT"
print("#####################################################################")
print("AlphaComplex creation from generated points on sphere")
# Generate a circle: 50 points; dim 2; radius 1
points = sphere.generate_random_points(50, 2, 1)
# Create an alpha complex
alpha_complex = AlphaComplex(points=points)
simplex_tree = alpha_complex.create_simplex_tree()
result_str = 'Alpha complex is of dimension ' + repr(simplex_tree.dimension()) + ' - ' + \
repr(simplex_tree.num_simplices()) + ' simplices - ' + \
repr(simplex_tree.num_vertices()) + ' vertices.'
print(result_str)
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