+ void SetLayer(Int_t layer) {fLayer=layer;}
+ void SetNz(Int_t nz) {fNz =nz;}
+ void SetNy(Int_t ny){fNy=ny;}
+ void SetChargeRatio(Float_t ratio) { fChargeRatio = ratio;}
+ void SetPhiR(Float_t y) { fChargeRatio=y; }
+ void SetType(Int_t type){ fType=type;}
+ void SetDeltaProbability(Float_t prob){fDeltaProb = prob;}
+
+ Int_t IsUsed() const {return (fQ<0)?1:0;}