ActsTrk::VolumePlacement Node1 ActsTrk::VolumePlacement - m_parent - m_refShift - m_locToGlobCache - m_globToLocCache - m_portalCaches - m_children - m_surfacePlacement + VolumePlacement() + VolumePlacement() + VolumePlacement() + addChild() + connectCenterSurface() + detectorType() + storeAlignedTransforms() + makePortalsAlignable() + localToGlobalTransform() + localToGlobalTransform() + globalToLocalTransform() + globalToLocalTransform() + portalLocalToGlobal() - localToGlobalTransform() Node2 ActsTrk::IVolumePlacement   + detectorType() + storeAlignedTransforms() Node2->Node1 Node3 Acts::VolumePlacementBase     Node3->Node2