From dddfbac6aa357ea4f79619c4c10f37a622df1b41 Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Tue, 4 Mar 2014 13:51:18 -0300
Subject: [PATCH] Arch: Fixed SectionPlane direction

---
 src/Mod/Arch/ArchSectionPlane.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Mod/Arch/ArchSectionPlane.py b/src/Mod/Arch/ArchSectionPlane.py
index b35c2b1f6a..44b2e4b072 100644
--- a/src/Mod/Arch/ArchSectionPlane.py
+++ b/src/Mod/Arch/ArchSectionPlane.py
@@ -103,6 +103,9 @@ class _SectionPlane:
         import Part
         l = obj.ViewObject.DisplaySize.Value
         p = Part.makePlane(l,l,Vector(l/2,-l/2,0),Vector(0,0,-1))
+        # make sure the normal direction is pointing outwards, you never know what OCC will decide...
+        if p.normalAt(0,0).getAngle(obj.Placement.Rotation.multVec(FreeCAD.Vector(0,0,1))) > 1:
+            p.reverse()
         p.Placement = obj.Placement
         obj.Shape = p