diff options
author | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-11-09 12:48:49 +0000 |
---|---|---|
committer | vrouvrea <vrouvrea@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-11-09 12:48:49 +0000 |
commit | 98646a5bcece4a6474eff824de2b25510e005a59 (patch) | |
tree | 27e49fd43dcac6ac4249077f1f5be27aae26070d /src/cython/example | |
parent | 0729a55a67503c068e4843c63930d6b29e76f7ac (diff) | |
parent | 1e229960b1ee38adc1a41b2cc323ffbd8b7bb921 (diff) |
Merge last trunk modifications
Comment some bad code
Try to cythonize rips from correlation matrix
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/rips_complex_from_correlation_matrix@2858 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 3b9bcdfdeae247ed5486e20cb62f2812fdd14b0d
Diffstat (limited to 'src/cython/example')
3 files changed, 71 insertions, 4 deletions
diff --git a/src/cython/example/rips_complex_diagram_persistence_from_correlation_matrix_file_example.py b/src/cython/example/rips_complex_diagram_persistence_from_correlation_matrix_file_example.py new file mode 100755 index 00000000..79f6df75 --- /dev/null +++ b/src/cython/example/rips_complex_diagram_persistence_from_correlation_matrix_file_example.py @@ -0,0 +1,69 @@ +#!/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) 2017 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) 2017 INRIA" +__license__ = "GPL v3" + +parser = argparse.ArgumentParser(description='RipsComplex creation from ' + 'a correlation matrix read in a csv file.', + epilog='Example: ' + 'example/rips_complex_diagram_persistence_from_correlation_matrix_file_example.py ' + '-f ../data/correlation_matrix/lower_triangular_correlation_matrix.csv -e 12.0 -d 3' + '- Constructs a Rips complex with the ' + 'correlation matrix from the given csv 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_boot", 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() + +print("#####################################################################") +print("RipsComplex creation from correlation matrix read in a csv file") + +message = "RipsComplex with max_edge_length=" + repr(args.max_edge_length) +print(message) + +correlation_matrix = gudhi.read_lower_triangular_matrix_from_csv_file(csv_file=args.file) +# Given a correlation matrix M, we compute component-wise M'[i,j] = 1-M[i,j] to get a distance matrix: +distance_matrix = [[1-correlation_matrix[i][j] for j in range(len(correlation_matrix[0]))] for i in range(len(correlation_matrix))] +rips_complex = gudhi.RipsComplex(distance_matrix=distance_matrix, 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_boot=args.band_boot) + pplot.show() diff --git a/src/cython/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py b/src/cython/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py index fa82a2f3..c8aac240 100755 --- a/src/cython/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py +++ b/src/cython/example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py @@ -30,12 +30,12 @@ __copyright__ = "Copyright (C) 2016 INRIA" __license__ = "GPL v3" parser = argparse.ArgumentParser(description='RipsComplex creation from ' - 'a distance matrix read in a OFF file.', + 'a distance matrix read in a csv file.', epilog='Example: ' 'example/rips_complex_diagram_persistence_from_distance_matrix_file_example.py ' '-f ../data/distance_matrix/lower_triangular_distance_matrix.csv -e 12.0 -d 3' '- Constructs a Rips complex with the ' - 'points from the given OFF file.') + 'distance matrix from the given csv 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) diff --git a/src/cython/example/simplex_tree_example.py b/src/cython/example/simplex_tree_example.py index 831d9da8..51a60e73 100755 --- a/src/cython/example/simplex_tree_example.py +++ b/src/cython/example/simplex_tree_example.py @@ -48,8 +48,6 @@ if st.insert([0, 1, 2], filtration=4.0): else: print("Not inserted...") -# FIXME: Remove this line -st.set_dimension(3) print("dimension=", st.dimension()) st.initialize_filtration() |