From b7e27f5af995c742c3d4ec937717ad885efb1a1e Mon Sep 17 00:00:00 2001
From: Bernd Hahnebach <bernd@bimstatik.org>
Date: Wed, 3 Jun 2020 13:17:18 +0200
Subject: [PATCH] FEM: ccx writer, add comment

---
 src/Mod/Fem/femsolver/calculix/writer.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Mod/Fem/femsolver/calculix/writer.py b/src/Mod/Fem/femsolver/calculix/writer.py
index 4fe1c4fc6e..bbf79b1709 100644
--- a/src/Mod/Fem/femsolver/calculix/writer.py
+++ b/src/Mod/Fem/femsolver/calculix/writer.py
@@ -1733,6 +1733,8 @@ class FemInputWriterCcx(writerbase.FemInputWriter):
                             material,
                             section_type
                         )
+                        # see forum topic for output formating of rotation
+                        # https://forum.freecadweb.org/viewtopic.php?f=18&t=46133&p=405142#p405142
                         section_nor = "{:f}, {:f}, {:f}\n".format(
                             normal[0],
                             normal[1],