From 1442137f3f713befcfde9e3eba55257e73be8d6a Mon Sep 17 00:00:00 2001
From: Renaud Barate <renaud.barate@edf.fr>
Date: Mon, 13 Apr 2015 16:08:51 +0200
Subject: [PATCH] Structural elements: wrong orientation of faces (EDF #8518)

---
 src/GEOM_PY/structelem/parts.py | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/src/GEOM_PY/structelem/parts.py b/src/GEOM_PY/structelem/parts.py
index fcd96be6b..5ab2f2474 100644
--- a/src/GEOM_PY/structelem/parts.py
+++ b/src/GEOM_PY/structelem/parts.py
@@ -790,13 +790,10 @@ class StructuralElementPart2D(StructuralElementPart):
                                           self.geom.ShapeType["FACE"])
             for face in faces:
                 offsetFace = self._makeFaceOffset(face, offset)
-                # get tangent plane on surface by parameters
+                # get the center of the face and the normal at the center
                 center = self.geom.MakeVertexOnSurface(offsetFace,
                                                        uParam, vParam)
-                tangPlane = self.geom.MakeTangentPlaneOnFace(offsetFace,
-                                                             uParam, vParam,
-                                                             1.0)
-                normal = self.geom.GetNormal(tangPlane)
+                normal = self.geom.GetNormal(offsetFace, center)
                 marker = self._orientation.buildMarker(self.geom,
                                                        center, normal)
                 listMarkers.append(marker)
-- 
2.39.2