From f8f4db72ec9f8d017635711acae4f22db47f96ba Mon Sep 17 00:00:00 2001
From: Ken Arroyo Ohori <g.a.k.arroyoohori@tudelft.nl>
Date: Thu, 23 Mar 2017 20:25:54 -0600
Subject: [PATCH] IfcDerivedProfileDef

---
 src/ifcgeom/kernels/cgal/CgalEntityMapping.h  |  2 +-
 src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/ifcgeom/kernels/cgal/CgalEntityMapping.h b/src/ifcgeom/kernels/cgal/CgalEntityMapping.h
index 37967d966b..3dc4b9c95e 100644
--- a/src/ifcgeom/kernels/cgal/CgalEntityMapping.h
+++ b/src/ifcgeom/kernels/cgal/CgalEntityMapping.h
@@ -84,7 +84,7 @@ FACE(IfcCircleProfileDef);
 FACE(IfcEllipseProfileDef);
 //FACE(IfcCenterLineProfileDef);
 //FACE(IfcCompositeProfileDef);
-//FACE(IfcDerivedProfileDef);
+FACE(IfcDerivedProfileDef);
 // IfcFaceSurface included
 // IfcAdvancedFace included in case of IFC4
 FACE(IfcFace);
diff --git a/src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp b/src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp
index 09729e2467..e1a4383dc4 100644
--- a/src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp
+++ b/src/ifcgeom/kernels/cgal/CgalIfcGeomFaces.cpp
@@ -971,3 +971,18 @@ bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcZShapeProfileDef* l, cgal_
   
   return true;
 }
+
+bool IfcGeom::CgalKernel::convert(const IfcSchema::IfcDerivedProfileDef* l, cgal_face_t& face) {
+  cgal_face_t f;
+  cgal_placement_t trsf2d;
+  if (convert_face(l->ParentProfile(), f) && IfcGeom::CgalKernel::convert(l->Operator(), trsf2d)) {
+    cgal_placement_t trsf = trsf2d;
+    for (auto &vertex: f.outer) vertex = vertex.transform(trsf);
+    for (auto &ring: f.inner) {
+      for (auto &vertex: ring) vertex = vertex.transform(trsf);
+    } face = f;
+    return true;
+  } else {
+    return false;
+  }
+}