From 586ad14013c940394b9d181418e257f1741253f4 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Fri, 27 Dec 2013 09:36:14 +0000
Subject: [PATCH] #28 USE_BREP_DATA setting does not respect CONVERT_BACK_UNITS
 setting

---
 src/ifcgeom/IfcGeomObjects.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/ifcgeom/IfcGeomObjects.cpp b/src/ifcgeom/IfcGeomObjects.cpp
index 85a951cbef..232bd29f0c 100644
--- a/src/ifcgeom/IfcGeomObjects.cpp
+++ b/src/ifcgeom/IfcGeomObjects.cpp
@@ -87,7 +87,12 @@ IfcGeomObjects::IfcRepresentationBrepData::IfcRepresentationBrepData(const IfcRe
 		builder.MakeCompound(compound);
 		for ( IfcGeom::IfcRepresentationShapeItems::const_iterator it = shapes.begin(); it != shapes.end(); ++ it ) {
 			const TopoDS_Shape& s = it->Shape();
-			const gp_GTrsf& trsf = it->Placement();
+			gp_GTrsf trsf = it->Placement();
+			if (convert_back_units) {
+				gp_Trsf scale;
+				scale.SetScaleFactor(1.0 / IfcGeom::GetValue(IfcGeom::GV_LENGTH_UNIT));
+				trsf.PreMultiply(scale);
+			}
 			bool trsf_valid = false;
 			gp_Trsf _trsf;
 			try {