virtual Int_t GetTrack() const {return fTrack;}
virtual void SetTrack(Int_t track) {fTrack=track;}
virtual void SetLength(Float_t length){fLength=length;}
- virtual Float_t GetLength(){return fLength;}
+ virtual Float_t GetLength() const {return fLength;}
virtual Float_t X() const {return fX;}
virtual Float_t Y() const {return fY;}
virtual Float_t Z() const {return fZ;}