Trk::ILayerMaterialManipulator Node1 Trk::ILayerMaterialManipulator + DeclareInterfaceID() + ~ILayerMaterialManipulator() + processLayerMaterial() Node3 Trk::LayerMaterialConverter - m_layerMaterialCreator + LayerMaterialConverter() + ~LayerMaterialConverter() + initialize() + processLayerMaterial() Node1->Node3 Node2 IAlgTool Node2->Node1