virtual Int_t GetNtime() const { return fNtime; };
Int_t GetIndex(Int_t row, Int_t col, Int_t time) const;
Int_t GetIndexUnchecked(Int_t row, Int_t col, Int_t time) const
virtual Int_t GetNtime() const { return fNtime; };
Int_t GetIndex(Int_t row, Int_t col, Int_t time) const;
Int_t GetIndexUnchecked(Int_t row, Int_t col, Int_t time) const