ForDetEnvelopeManager Node1 ForDetEnvelopeManager + ForDetEnvelopeManager() + ~ForDetEnvelopeManager() + getNumTreeTops() + getTreeTop() + addTreeTop() - operator=() - ForDetEnvelopeManager() Node2 GeoVDetectorManager Node2->Node1 Node3 std::vector< PVLink > + elements Node3->Node1 -m_volume