//
virtual Float_t DGas() {return fdGas;}
virtual Float_t DAlu() {return fdAlu;}
+ virtual void SetDGas(Float_t DGas) {fdGas = DGas;}
+ virtual void SetDAlu(Float_t DAlu) {fdAlu = DAlu;}
// assignment operator
AliMUONChamber& operator =(const AliMUONChamber& rhs);