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author | pdlotko <pdlotko@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-08-22 13:09:08 +0000 |
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committer | pdlotko <pdlotko@636b058d-ea47-450e-bf9e-a15bfbe3eedb> | 2017-08-22 13:09:08 +0000 |
commit | 40db1989840aa9e485233354853ad09239272ad7 (patch) | |
tree | 0ccf6a7779943babf7b496e8f442fe3162f760dd /src/cython/example/persistence_representations_diagrams_example.py | |
parent | e2c0166fcbf17e91cf5ed7b6159f80d64b49cc0b (diff) |
First version of persistence diagrams cytonization that compiles (and create strange behavior)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/persistence_representation_integration@2615 636b058d-ea47-450e-bf9e-a15bfbe3eedb
Former-commit-id: 0a2a8ea77c654968e3be476c118f9cd3db0e9570
Diffstat (limited to 'src/cython/example/persistence_representations_diagrams_example.py')
-rwxr-xr-x | src/cython/example/persistence_representations_diagrams_example.py | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/cython/example/persistence_representations_diagrams_example.py b/src/cython/example/persistence_representations_diagrams_example.py new file mode 100755 index 00000000..62dc84d7 --- /dev/null +++ b/src/cython/example/persistence_representations_diagrams_example.py @@ -0,0 +1,107 @@ +#!/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): Pawel Dlotko + + Copyright (C) 2017 Swansea University + + 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__ = "Pawel Dlotko" +__copyright__ = "Copyright (C) 2017 Swansea University" +__license__ = "GPL v3" + +print("#####################################################################") +print("Persistence representations diagrams example") + + + + + + + + + + + +parser = argparse.ArgumentParser(description='Statistics od persistence diagrams from file ', + epilog='Example: ' + 'example/persistence_representations_diagrams_example.py ' + '-f file_with_diagram -d 1') +parser.add_argument("-f", "--file", type=str, required=True) +parser.add_argument("-d", "--dimension", type=int, default=0) + +args = parser.parse_args() + +print "Here are the parameters of the program: ",args.file," , " ,args.dimension + + +p = gudhi.PersistenceIntervals(args.file,args.dimension); +min_max_ = p.get_x_range(); +print( "Birth-death range : ", min_max_) +""" +std::vector<double> dominant_ten_intervals_length = p.length_of_dominant_intervals(10); +std::cout << "Length of ten dominant intervals : " << std::endl; +for (size_t i = 0; i != dominant_ten_intervals_length.size(); ++i) { +std::cout << dominant_ten_intervals_length[i] << std::endl; +} + +std::vector<std::pair<double, double> > ten_dominant_intervals = p.dominant_intervals(10); +std::cout << "Here are the dominant intervals : " << std::endl; +for (size_t i = 0; i != ten_dominant_intervals.size(); ++i) { +std::cout << "( " << ten_dominant_intervals[i].first << "," << ten_dominant_intervals[i].second << std::endl; +} + +std::vector<size_t> histogram = p.histogram_of_lengths(10); +std::cout << "Here is the histogram of barcode's length : " << std::endl; +for (size_t i = 0; i != histogram.size(); ++i) { +std::cout << histogram[i] << " "; +} +std::cout << std::endl; + +std::vector<size_t> cumulative_histogram = p.cumulative_histogram_of_lengths(10); +std::cout << "Cumulative histogram : " << std::endl; +for (size_t i = 0; i != cumulative_histogram.size(); ++i) { +std::cout << cumulative_histogram[i] << " "; +} +std::cout << std::endl; + +std::vector<double> char_funct_diag = p.characteristic_function_of_diagram(min_max_.first, min_max_.second); +std::cout << "Characteristic function of diagram : " << std::endl; +for (size_t i = 0; i != char_funct_diag.size(); ++i) { +std::cout << char_funct_diag[i] << " "; +} +std::cout << std::endl; + +std::vector<double> cumul_char_funct_diag = + p.cumulative_characteristic_function_of_diagram(min_max_.first, min_max_.second); +std::cout << "Cumulative characteristic function of diagram : " << std::endl; +for (size_t i = 0; i != cumul_char_funct_diag.size(); ++i) { +std::cout << cumul_char_funct_diag[i] << " "; +} +std::cout << std::endl; + +std::cout << "Persistence Betti numbers \n"; +std::vector<std::pair<double, size_t> > pbns = p.compute_persistent_betti_numbers(); +for (size_t i = 0; i != pbns.size(); ++i) { +std::cout << pbns[i].first << " " << pbns[i].second << std::endl; +} +""" |