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Diffstat (limited to 'cython/example/rips_complex_diagram_persistence_from_off_file_example.py')
-rwxr-xr-x | cython/example/rips_complex_diagram_persistence_from_off_file_example.py | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/cython/example/rips_complex_diagram_persistence_from_off_file_example.py b/cython/example/rips_complex_diagram_persistence_from_off_file_example.py deleted file mode 100755 index d15d5eb0..00000000 --- a/cython/example/rips_complex_diagram_persistence_from_off_file_example.py +++ /dev/null @@ -1,74 +0,0 @@ -#!/usr/bin/env python - -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. - - 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='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') - -args = parser.parse_args() - -with open(args.file, 'r') as f: - first_line = f.readline() - 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) - - 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() - else: - print(args.file, "is not a valid OFF file") - - f.close() |