PhiSectorManager Node1 PhiSectorManager - m_d + PhiSectorManager() + ~PhiSectorManager() + registerSubSystemSeparator() + getVolumeType() + getSepHelperForNode() + getLabelSepHelperForNode() + registerVolumeAroundZAxis() + updateRepresentationsOfVols AroundZAxis() + largeChangesBegin() + largeChangesEnd() # enabledPhiSectorsChanged() # updateEnabledPhiSections() Node2 QObject Node2->Node1