virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
Int_t GetZoomMode() {return fZoomMode;}
Int_t GetChamber() {return fChamber;}
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py);
Int_t GetZoomMode() {return fZoomMode;}
Int_t GetChamber() {return fChamber;}