Merge branch 'dfsg/latest' into debian/sid

1 files changed, 32 insertions, 0 deletions

diff --git a/src/python/example/sparse_rips_persistence_diagram.py b/src/python/example/sparse_rips_persistence_diagram.py
new file mode 100755
index 00000000..671d5e34
--- /dev/null
+++ b/src/python/example/sparse_rips_persistence_diagram.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+import gudhi
+
+""" 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) 2018 Inria
+
+    Modification(s):
+      - YYYY/MM Author: Description of the modification
+"""
+
+__author__ = "Marc Glisse"
+__copyright__ = "Copyright (C) 2018 Inria"
+__license__ = "MIT"
+
+print("#####################################################################")
+print("Sparse RipsComplex creation from points")
+rips = gudhi.RipsComplex(
+    points=[[0, 0], [0, 0.1], [1, 0], [0, 1], [1, 1]], max_edge_length=42, sparse=0.5
+)
+
+simplex_tree = rips.create_simplex_tree(max_dimension=2)
+
+
+diag = simplex_tree.persistence(homology_coeff_field=2, min_persistence=0)
+print("diag=", diag)
+
+pplot = gudhi.plot_persistence_diagram(diag)
+pplot.show()