From f1827d02ca7bcaad0b8af47f0da49f545b015bad Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Fri, 27 Jun 2025 09:52:35 +0200
Subject: [PATCH] Retain non-uniform scaling by assigning to gtrsf mat directly
 #6841

---
 src/ifcgeom/IfcGeomRepresentation.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/ifcgeom/IfcGeomRepresentation.cpp b/src/ifcgeom/IfcGeomRepresentation.cpp
index 2c1983108e..09fc253d11 100644
--- a/src/ifcgeom/IfcGeomRepresentation.cpp
+++ b/src/ifcgeom/IfcGeomRepresentation.cpp
@@ -204,12 +204,12 @@ IfcGeom::ConversionResultShape* IfcGeom::Representation::BRep::as_compound(bool
 		if (it->Placement()->components_) {
 			gp_Trsf tr;
 			const auto& m = it->Placement()->ccomponents();
-			tr.SetValues(
-				m(0, 0), m(0, 1), m(0, 2), m(0, 3),
-				m(1, 0), m(1, 1), m(1, 2), m(1, 3),
-				m(2, 0), m(2, 1), m(2, 2), m(2, 3)
-			);
-			trsf = tr;
+			trsf.SetVectorialPart(gp_Mat(
+				m(0, 0), m(0, 1), m(0, 2),
+				m(1, 0), m(1, 1), m(1, 2),
+				m(2, 0), m(2, 1), m(2, 2)
+			));
+			trsf.SetTranslationPart(gp_XYZ(m(0, 3), m(1, 3), m(2, 3)));
 		}
 
 		if (!force_meters && settings().get<ifcopenshell::geometry::settings::ConvertBackUnits>().get()) {