G4MyPhysicalVolume Node1 G4MyPhysicalVolume + copyNo - fTypeOfVolume + G4MyPhysicalVolume() + ~G4MyPhysicalVolume() + GetCopyNo() + SetCopyNo() + SetVolumeType() + IsMany() + IsReplicated() + IsParameterised() + GetParameterisation() + GetReplicationData() + IsRegularStructure() + GetRegularStructureId() + VolumeType() Node2 G4VPhysicalVolume Node2->Node1