From 695b6db5b7f1f8c3aa10fbf25b3f2a60838f76ee Mon Sep 17 00:00:00 2001
From: Luca Heltai <luca.heltai@sissa.it>
Date: Fri, 22 Mar 2019 00:27:14 +0100
Subject: [PATCH] Added flag to control overwriting of non flat manifold ids.

---
 source/grid/grid_tools.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/grid/grid_tools.cc b/source/grid/grid_tools.cc
index 1b5939f12c..7aa180cbff 100644
--- a/source/grid/grid_tools.cc
+++ b/source/grid/grid_tools.cc
@@ -3775,6 +3775,7 @@ namespace GridTools
     std::vector<std::set<types::manifold_id>> manifold_ids(size + 1);
     std::vector<unsigned int>                 backup;
     tria.save_user_indices(backup);
+    tria.clear_user_data();
 
     unsigned next_index = 1;
     for (auto cell : tria.active_cell_iterators())
-- 
2.39.5