diff options
Diffstat (limited to 'cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py')
-rwxr-xr-x | cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py b/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py deleted file mode 100755 index 5f968bf1..00000000 --- a/cython/example/periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py +++ /dev/null @@ -1,76 +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" - -def is_file_perseus(file): - num_lines = open(file).read().count('\n') - try: - f = open(file) - num_dim = int(f.readline()) - coeff = 1 - for dim in range(0, num_dim): - try: - line = int(f.readline()) - coeff *= abs(line) - except ValueError: - return False - if num_lines == (1 + num_dim + coeff): - return True - else: - return False - except ValueError: - return False - -parser = argparse.ArgumentParser(description='Periodic cubical complex from a ' - 'Perseus-style file name.', - epilog='Example: ' - './periodic_cubical_complex_barcode_persistence_from_perseus_file_example.py' - ' -f ../data/bitmap/CubicalTwoSphere.txt') - -parser.add_argument("-f", "--file", type=str, required=True) -parser.add_argument('--no-barcode', default=False, action='store_true' , help='Flag for not to display the barcodes') - -args = parser.parse_args() - -if is_file_perseus(args.file): - print("#####################################################################") - print("PeriodicCubicalComplex creation") - periodic_cubical_complex = gudhi.PeriodicCubicalComplex(perseus_file=args.file) - - print("persistence(homology_coeff_field=3, min_persistence=0)=") - diag = periodic_cubical_complex.persistence(homology_coeff_field=3, min_persistence=0) - print(diag) - - print("betti_numbers()=") - print(periodic_cubical_complex.betti_numbers()) - if args.no_barcode == False: - gudhi.plot_persistence_barcode(diag) -else: - print(args.file, "is not a valid perseus style file") |