From 30890785a1b1516cbcfbf5c9b41e4657794d3fb2 Mon Sep 17 00:00:00 2001 From: vrouvrea Date: Wed, 8 Mar 2017 22:51:17 +0000 Subject: Add witness_complex_from_nearest_landmark_table.py git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/ST_cythonize@2182 636b058d-ea47-450e-bf9e-a15bfbe3eedb Former-commit-id: 5e9efcf4c6e50f0864cf473d649dfa26b4ef2cf4 --- .../witness_complex_from_nearest_landmark_table.py | 46 ++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100755 src/cython/example/witness_complex_from_nearest_landmark_table.py (limited to 'src/cython/example/witness_complex_from_nearest_landmark_table.py') diff --git a/src/cython/example/witness_complex_from_nearest_landmark_table.py b/src/cython/example/witness_complex_from_nearest_landmark_table.py new file mode 100755 index 00000000..00b946b1 --- /dev/null +++ b/src/cython/example/witness_complex_from_nearest_landmark_table.py @@ -0,0 +1,46 @@ +#!/usr/bin/env python + +from gudhi import WitnessComplex, SimplexTree + +"""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 . +""" + +__author__ = "Vincent Rouvreau" +__copyright__ = "Copyright (C) 2016 INRIA" +__license__ = "GPL v3" + +print("#####################################################################") +print("WitnessComplex creation from nearest landmark table") +nearest_landmark_table = [[[0, 0], [1, 1], [2, 2], [3, 3], [4, 4]], + [[1, 0], [2, 1], [3, 2], [4, 3], [0, 4]], + [[2, 0], [3, 1], [4, 2], [0, 3], [1, 4]], + [[3, 0], [4, 1], [0, 2], [1, 3], [2, 4]], + [[4, 0], [0, 1], [1, 2], [2, 3], [3, 4]]] + +witness_complex = WitnessComplex(nearest_landmark_table=nearest_landmark_table) +simplex_tree = witness_complex.create_simplex_tree(max_alpha_square=4.1) + +message = "Number of simplices: " + repr(simplex_tree.num_simplices()) +print(message) + +diag = simplex_tree.persistence(min_persistence=-0.1, homology_coeff_field=11) +print(diag) -- cgit v1.2.3 From c096ba6477996ec350e826715f5f4ddf531da114 Mon Sep 17 00:00:00 2001 From: vrouvrea Date: Wed, 22 Mar 2017 21:58:43 +0000 Subject: make th same example as in C++ git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/ST_cythonize@2222 636b058d-ea47-450e-bf9e-a15bfbe3eedb Former-commit-id: c18c9aaeaab7005a7dc1471f7bff6acc94dad8d8 --- src/cython/example/witness_complex_from_nearest_landmark_table.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/cython/example/witness_complex_from_nearest_landmark_table.py') diff --git a/src/cython/example/witness_complex_from_nearest_landmark_table.py b/src/cython/example/witness_complex_from_nearest_landmark_table.py index 00b946b1..92ed970b 100755 --- a/src/cython/example/witness_complex_from_nearest_landmark_table.py +++ b/src/cython/example/witness_complex_from_nearest_landmark_table.py @@ -1,6 +1,6 @@ #!/usr/bin/env python -from gudhi import WitnessComplex, SimplexTree +from gudhi import StrongWitnessComplex, SimplexTree """This file is part of the Gudhi Library. The Gudhi library (Geometric Understanding in Higher Dimensions) is a generic C++ @@ -36,7 +36,7 @@ nearest_landmark_table = [[[0, 0], [1, 1], [2, 2], [3, 3], [4, 4]], [[3, 0], [4, 1], [0, 2], [1, 3], [2, 4]], [[4, 0], [0, 1], [1, 2], [2, 3], [3, 4]]] -witness_complex = WitnessComplex(nearest_landmark_table=nearest_landmark_table) +witness_complex = StrongWitnessComplex(nearest_landmark_table=nearest_landmark_table) simplex_tree = witness_complex.create_simplex_tree(max_alpha_square=4.1) message = "Number of simplices: " + repr(simplex_tree.num_simplices()) -- cgit v1.2.3