virtual void GetPadIxz(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const;
// Transform from pixel to real coordinates
virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const;
virtual void GetPadIxz(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const;
// Transform from pixel to real coordinates
virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const;