diff options
author | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2019-09-09 16:03:40 +0200 |
---|---|---|
committer | ROUVREAU Vincent <vincent.rouvreau@inria.fr> | 2019-09-09 16:03:40 +0200 |
commit | 68753b3c28321e28eedd5829c94234da84e25c8d (patch) | |
tree | 36003a30309b3203b41092ad4d7ee8fa78551452 /src/python/example/tangential_complex_plain_homology_from_off_file_example.py | |
parent | dcbdaa0dc00eb069d1a13575f22c0a2f7d63dcc8 (diff) |
Code review: rename cython as python (make target and directory
Diffstat (limited to 'src/python/example/tangential_complex_plain_homology_from_off_file_example.py')
-rwxr-xr-x | src/python/example/tangential_complex_plain_homology_from_off_file_example.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/python/example/tangential_complex_plain_homology_from_off_file_example.py b/src/python/example/tangential_complex_plain_homology_from_off_file_example.py new file mode 100755 index 00000000..456bc9eb --- /dev/null +++ b/src/python/example/tangential_complex_plain_homology_from_off_file_example.py @@ -0,0 +1,64 @@ +#!/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="TangentialComplex creation from " "points read in a OFF file.", + epilog="Example: " + "example/tangential_complex_plain_homology_from_off_file_example.py " + "-f ../data/points/tore3D_300.off -i 3" + "- Constructs a tangential complex with the " + "points from the given OFF file", +) +parser.add_argument("-f", "--file", type=str, required=True) +parser.add_argument("-i", "--intrisic_dim", 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("TangentialComplex creation from points read in a OFF file") + + tc = gudhi.TangentialComplex(intrisic_dim=args.intrisic_dim, off_file=args.file) + tc.compute_tangential_complex() + st = tc.create_simplex_tree() + + message = "Number of simplices=" + repr(st.num_simplices()) + print(message) + + diag = st.persistence(persistence_dim_max=True) + + print("betti_numbers()=") + print(st.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() |