+void AliRICH::OccupancyPrint(Int_t iEvtN)const
+{
+//prints occupancy for each chamber in a given event
+ if(GetLoader()->GetRunLoader()->GetEvent(iEvtN)) return;
+ Info("Occupancy","for event %i",iEvtN);
+ if(GetLoader()->LoadDigits()) return;
+
+ Int_t totPadsPerChamber = AliRICHParam::NpadsX()*AliRICHParam::NpadsY();
+ GetLoader()->TreeD()->GetEntry(0);
+ for(Int_t iChamber=1;iChamber<=kNchambers;iChamber++){
+ Double_t occupancy = (Double_t)Digits(iChamber)->GetEntries()/(Double_t)totPadsPerChamber;
+ Info("Occupancy","for chamber %i = %4.2f per cent",iChamber,occupancy*100.);
+ }
+ GetLoader()->UnloadDigits();
+}
+//__________________________________________________________________________________________________