virtual void Det2Local(Int_t a,Int_t t,Int_t s,Float_t &xl,Float_t &zl);
virtual void Print(ostream *os) const; // Output streamer to standard out.
virtual void Read(istream *is); // Input streamer to standard in.
+ virtual void Print(Option_t *option="") const {TObject::Print(option);}
+ virtual Int_t Read(const char *name) {return TObject::Read(name);}
// or what other or different information that is needed.
protected: