From f683fd220f4055086ab7149b687856d8ad022ddb Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Sun, 21 Jul 2024 11:54:48 +0200
Subject: [PATCH] Take into account tapered extrusion position

---
 src/ifcgeom/mapping/IfcExtrudedAreaSolidTapered.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/ifcgeom/mapping/IfcExtrudedAreaSolidTapered.cpp b/src/ifcgeom/mapping/IfcExtrudedAreaSolidTapered.cpp
index 45ad6c3009..60318f1b95 100644
--- a/src/ifcgeom/mapping/IfcExtrudedAreaSolidTapered.cpp
+++ b/src/ifcgeom/mapping/IfcExtrudedAreaSolidTapered.cpp
@@ -48,6 +48,17 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcExtrudedAreaSolidTapered* in
 	auto old = loft->children.back()->matrix->ccomponents();
 	loft->children.back()->matrix->components() = old * end_profile;
 
+	taxonomy::matrix4::ptr matrix;
+	bool has_position = true;
+#ifdef SCHEMA_IfcSweptAreaSolid_Position_IS_OPTIONAL
+	has_position = inst->Position() != nullptr;
+#endif
+	if (has_position) {
+		matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->Position()));
+	}
+	
+	loft->matrix = matrix;
+
 	return loft;
 }
 #endif