diff options
Diffstat (limited to 'src/cython/example/rips_complex_diagram_persistence_from_off_file_example.py')
| -rwxr-xr-x | src/cython/example/rips_complex_diagram_persistence_from_off_file_example.py | 74 |
1 files changed, 36 insertions, 38 deletions
diff --git a/src/cython/example/rips_complex_diagram_persistence_from_off_file_example.py b/src/cython/example/rips_complex_diagram_persistence_from_off_file_example.py index d15d5eb0..2b335bba 100755 --- a/src/cython/example/rips_complex_diagram_persistence_from_off_file_example.py +++ b/src/cython/example/rips_complex_diagram_persistence_from_off_file_example.py @@ -3,68 +3,66 @@ import gudhi import argparse -"""This file is part of the Gudhi Library. The Gudhi library - (Geometric Understanding in Higher Dimensions) is a generic C++ - library for computational topology. +""" 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 - Author(s): Vincent Rouvreau + Copyright (C) 2016 Inria - 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/>. + Modification(s): + - YYYY/MM Author: Description of the modification """ __author__ = "Vincent Rouvreau" __copyright__ = "Copyright (C) 2016 Inria" -__license__ = "GPL v3" +__license__ = "MIT" -parser = argparse.ArgumentParser(description='RipsComplex creation from ' - 'points read in a OFF file.', - epilog='Example: ' - 'example/rips_complex_diagram_persistence_from_off_file_example.py ' - '-f ../data/points/tore3D_300.off -a 0.6' - '- Constructs a Rips complex with the ' - 'points from the given OFF file.') +parser = argparse.ArgumentParser( + description="RipsComplex creation from " "points read in a OFF file.", + epilog="Example: " + "example/rips_complex_diagram_persistence_from_off_file_example.py " + "-f ../data/points/tore3D_300.off -a 0.6" + "- Constructs a Rips complex with the " + "points from the given OFF file.", +) parser.add_argument("-f", "--file", type=str, required=True) parser.add_argument("-e", "--max_edge_length", type=float, default=0.5) parser.add_argument("-d", "--max_dimension", type=int, default=1) -parser.add_argument("-b", "--band", type=float, default=0.) -parser.add_argument('--no-diagram', default=False, action='store_true' , help='Flag for not to display the diagrams') +parser.add_argument("-b", "--band", type=float, default=0.0) +parser.add_argument( + "--no-diagram", + default=False, + action="store_true", + help="Flag for not to display the diagrams", +) args = parser.parse_args() -with open(args.file, 'r') as f: +with open(args.file, "r") as f: first_line = f.readline() - if (first_line == 'OFF\n') or (first_line == 'nOFF\n'): + if (first_line == "OFF\n") or (first_line == "nOFF\n"): print("#####################################################################") print("RipsComplex creation from points read in a OFF file") - + message = "RipsComplex with max_edge_length=" + repr(args.max_edge_length) print(message) - + point_cloud = gudhi.read_off(off_file=args.file) - rips_complex = gudhi.RipsComplex(points=point_cloud, max_edge_length=args.max_edge_length) - simplex_tree = rips_complex.create_simplex_tree(max_dimension=args.max_dimension) - + rips_complex = gudhi.RipsComplex( + points=point_cloud, max_edge_length=args.max_edge_length + ) + simplex_tree = rips_complex.create_simplex_tree( + max_dimension=args.max_dimension + ) + message = "Number of simplices=" + repr(simplex_tree.num_simplices()) print(message) - + diag = simplex_tree.persistence() - + print("betti_numbers()=") print(simplex_tree.betti_numbers()) - + if args.no_diagram == False: pplot = gudhi.plot_persistence_diagram(diag, band=args.band) pplot.show() |