+// Default constructor
+ fStepBitSDD=new Double_t[AliQAv1::kNBIT];
+ fLowSDDValue=new Float_t[AliQAv1::kNBIT];
+ fHighSDDValue=new Float_t[AliQAv1::kNBIT];
+ for(Int_t ibit=0;ibit<AliQAv1::kNBIT;ibit++)
+ {
+ fStepBitSDD[ibit]=0.;
+ fLowSDDValue[ibit]=0.;
+ fHighSDDValue[ibit]=0.;
+ }
+
+} // ctor
+
+