Bool_t Propagate(Double_t xr) { return Propagate(GetAlpha(),xr); }
Bool_t MeanBudgetToPrimVertex(Double_t xyz[3], Double_t step, Double_t &d) const;
Bool_t Improve(Double_t x0,Double_t xyz[3],Double_t ers[3]);
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+ Bool_t ImproveKalman(Double_t xyz[3],Double_t ers[3], const Double_t* xlMS, const Double_t* x2X0MS, Int_t nMS);
void SetdEdx(Double_t dedx) {fdEdx=dedx;}
void SetSampledEdx(Float_t q, Int_t i);
Float_t GetSampledEdx(Int_t i) const {return fdEdxSample[i];}