diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000000000000000000000000000000000..40da8b2c79b4731eed97926d8c3e7544b1f054bd
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "kf_based_terrain_analysis"]
+	path = kf_based_terrain_analysis
+	url = https://gitlab.iri.upc.edu/idelpino/kf_based_terrain_analysis
diff --git a/kf_based_terrain_analysis b/kf_based_terrain_analysis
new file mode 160000
index 0000000000000000000000000000000000000000..c1be17b68e5a1af56cdb1a050b45374b1bce963c
--- /dev/null
+++ b/kf_based_terrain_analysis
@@ -0,0 +1 @@
+Subproject commit c1be17b68e5a1af56cdb1a050b45374b1bce963c