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Diffstat (limited to 'src/cython/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py')
-rwxr-xr-x | src/cython/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/src/cython/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py b/src/cython/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py deleted file mode 100755 index 610ba44f..00000000 --- a/src/cython/example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py +++ /dev/null @@ -1,83 +0,0 @@ -#!/usr/bin/env python - -import gudhi -import argparse - -""" 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="EuclideanStrongWitnessComplex creation from " - "points read in a OFF file.", - epilog="Example: " - "example/euclidean_strong_witness_complex_diagram_persistence_from_off_file_example.py " - "-f ../data/points/tore3D_300.off -a 1.0 -n 20 -d 2" - "- Constructs a strong witness complex with the " - "points from the given OFF file.", -) -parser.add_argument("-f", "--file", type=str, required=True) -parser.add_argument("-a", "--max_alpha_square", type=float, required=True) -parser.add_argument("-n", "--number_of_landmarks", type=int, required=True) -parser.add_argument("-d", "--limit_dimension", type=int, required=True) -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: - first_line = f.readline() - if (first_line == "OFF\n") or (first_line == "nOFF\n"): - print("#####################################################################") - print("EuclideanStrongWitnessComplex creation from points read in a OFF file") - - witnesses = gudhi.read_off(off_file=args.file) - landmarks = gudhi.pick_n_random_points( - points=witnesses, nb_points=args.number_of_landmarks - ) - - message = ( - "EuclideanStrongWitnessComplex with max_edge_length=" - + repr(args.max_alpha_square) - + " - Number of landmarks=" - + repr(args.number_of_landmarks) - ) - print(message) - - witness_complex = gudhi.EuclideanStrongWitnessComplex( - witnesses=witnesses, landmarks=landmarks - ) - simplex_tree = witness_complex.create_simplex_tree( - max_alpha_square=args.max_alpha_square, limit_dimension=args.limit_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() |