1 files changed, 45 insertions, 0 deletions
diff --git a/src/cython/example/Mini_simplex_tree_example.py b/src/cython/example/Mini_simplex_tree_example.py
new file mode 100755
index 00000000..87407317
--- /dev/null
+++ b/src/cython/example/Mini_simplex_tree_example.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+import gudhi
+
+print("#######################################################################")
+print("MiniSimplexTree creation from insertion")
+
+""" Complex to build.
+     1   3
+     o---o
+    /X\ /
+   o---o   o
+   2   0   4 """
+
+triangle012 = [0, 1, 2]
+edge03 = [0, 3]
+edge13 = [1, 3]
+vertex4 = [4]
+mini_st = gudhi.MiniSimplexTree()
+mini_st.insert(triangle012)
+mini_st.insert(edge03)
+mini_st.insert(edge13)
+mini_st.insert(vertex4)
+
+# FIXME: Remove this line
+mini_st.set_dimension(2);
+
+# initialize_filtration required before plain_homology
+mini_st.initialize_filtration()
+
+print("plain_homology(2)=", mini_st.plain_homology(2))
+
+edge02 = [0, 2]
+if mini_st.find(edge02):
+  # Only coface is 012
+  print("coface(edge02,1)=", mini_st.get_coface_tree(edge02, 1))
+
+if mini_st.get_coface_tree(triangle012, 1) == []:
+  # Precondition: Check the simplex has no coface before removing it.
+  mini_st.remove_maximal_simplex(triangle012)
+
+# initialize_filtration required after removing
+mini_st.initialize_filtration()
+
+print("filtered_tree after triangle012 removal =", mini_st.get_filtered_tree())