- Double_t * GetX(){return fX;}
- Double_t * GetY(){return fY;}
- Double_t * GetZ(){return fZ;}
- Double_t * GetSy(){return fSy;}
- Double_t * GetSz(){return fSz;}
+ Double_t * GetX() const {return fX;}
+ Double_t * GetY() const {return fY;}
+ Double_t * GetZ() const {return fZ;}
+ Double_t * GetSy() const {return fSy;}
+ Double_t * GetSz() const {return fSz;}