1 files changed, 56 insertions, 0 deletions
diff --git a/src/cython/example/cubical_complex_from_perseus_file_example.py b/src/cython/example/cubical_complex_from_perseus_file_example.py
new file mode 100755
index 00000000..23f7ece6
--- /dev/null
+++ b/src/cython/example/cubical_complex_from_perseus_file_example.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python
+
+import gudhi
+import numpy
+import argparse
+import operator
+import os
+
+"""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 <http://www.gnu.org/licenses/>.
+"""
+
+__author__ = "Vincent Rouvreau"
+__copyright__ = "Copyright (C) 2016 INRIA"
+__license__ = "GPL v3"
+
+parser = argparse.ArgumentParser(description='Cubical complex from a perseus'
+                                 'file style name.',
+                                 epilog='Example: '
+                                 './cubical_complex_from_perseus_file_example.py'
+                                 ' -f ../data/bitmap/CubicalTwoSphere.txt')
+
+parser.add_argument("-f", "--file", type=str, required=True)
+
+args = parser.parse_args()
+
+if os.access(args.file, os.R_OK):
+    print("#####################################################################")
+    print("CubicalComplex creation")
+    cubical_complex = gudhi.CubicalComplex(perseus_file=args.file)
+
+    print("persistence(homology_coeff_field=2, min_persistence=0)=")
+    print(cubical_complex.persistence(homology_coeff_field=2, min_persistence=0))
+
+    print("betti_numbers()=")
+    print(cubical_complex.betti_numbers())
+else:
+    print(args.file, "is unreachable")