| 87594435 |
1 | #ifndef ALIKALMANTRACK_H |
| 2 | #define ALIKALMANTRACK_H |
| 3 | |
| 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 5 | * See cxx source for full Copyright notice */ |
| 6 | |
| 7 | //------------------------------------------------------------------------- |
| 8 | // Class AliKalmanTrack |
| 9 | // |
| 10 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch |
| 11 | //------------------------------------------------------------------------- |
| 12 | |
| 13 | #include <TObject.h> |
| 14 | |
| 15 | class AliCluster; |
| 16 | |
| 17 | class AliKalmanTrack : public TObject { |
| 18 | public: |
| 19 | AliKalmanTrack() {fN=0; fChi2=0; fLab=-3141593;} |
| 20 | AliKalmanTrack(const AliKalmanTrack& t); |
| 21 | Int_t Compare(TObject *o); |
| 22 | void SetLabel(Int_t lab) {fLab=lab;} |
| 23 | |
| 24 | Double_t GetPredictedChi2(const AliCluster *cluster) const; |
| 25 | Bool_t IsSortable() const {return kTRUE;} |
| 26 | Int_t GetLabel() const {return fLab;} |
| 27 | void GetCovariance(Double_t cov[15]) const; |
| 28 | Double_t GetChi2() const {return fChi2;} |
| 29 | Int_t GetNumberOfClusters() const {return fN;} |
| 30 | |
| 31 | virtual Double_t GetPt() const=0; |
| 32 | virtual Double_t GetP() const=0; |
| 33 | virtual void GetPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const=0; |
| 34 | virtual Int_t PropagateTo(Double_t xr,Double_t x0,Double_t rho,Double_t pm)=0; |
| 35 | virtual void Update(const AliCluster* c, Double_t chi2, UInt_t i)=0; |
| 36 | |
| 37 | protected: |
| 38 | Int_t fLab; // track label |
| 39 | |
| 40 | Double_t fP0; // |
| 41 | Double_t fP1; // |
| 42 | Double_t fP2; // track parameters |
| 43 | Double_t fP3; // |
| 44 | Double_t fP4; // |
| 45 | |
| 46 | Double_t fC00; // covariance |
| 47 | Double_t fC10, fC11; // matrix |
| 48 | Double_t fC20, fC21, fC22; // of the |
| 49 | Double_t fC30, fC31, fC32, fC33; // track |
| 50 | Double_t fC40, fC41, fC42, fC43, fC44; // parameters |
| 51 | |
| 52 | Double_t fChi2; // total chi2 value for this track |
| 53 | Short_t fN; // number of clusters |
| 54 | |
| 55 | ClassDef(AliKalmanTrack,1) // Reconstructed track |
| 56 | }; |
| 57 | |
| 58 | #endif |
| 59 | |
| 60 | |
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