From c5847cf91897eb5f43a6fb564b752bfae880bf0b Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sat, 9 Dec 2017 13:33:30 +0100
Subject: [PATCH] fixes #0003262: normal vector returned by Face.normalAt(u,v)
 is not always a unit vector

---
 src/Mod/Part/App/TopoShapeFacePyImp.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Mod/Part/App/TopoShapeFacePyImp.cpp b/src/Mod/Part/App/TopoShapeFacePyImp.cpp
index 02d5dd0281..304270db1e 100644
--- a/src/Mod/Part/App/TopoShapeFacePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapeFacePyImp.cpp
@@ -424,6 +424,7 @@ PyObject* TopoShapeFacePy::normalAt(PyObject *args)
         gp_Pnt pnt; gp_Vec vec;
         // handles the orientation state of the shape
         BRepGProp_Face(f).Normal(u,v,pnt,vec);
+        vec.Normalize();
         return new Base::VectorPy(new Base::Vector3d(vec.X(),vec.Y(),vec.Z()));
     }
     else {