void Tracking(TObjArray * arr);
TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
TObjArray * Tracking();
+ TObjArray * TrackingSpecial();
void SumTracks(TObjArray *arr1,TObjArray *arr2) const;
void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
void PrepareForProlongation(TObjArray * arr, Float_t fac) const;