1 #ifndef ALIKALMANTRACK_H
2 #define ALIKALMANTRACK_H
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
9 //-------------------------------------------------------------------------
10 // Class AliKalmanTrack
11 // fixed the interface for the derived reconstructed track classes
12 // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
13 //-------------------------------------------------------------------------
15 #include "AliExternalTrackParam.h"
21 class AliKalmanTrack : public AliExternalTrackParam {
24 AliKalmanTrack(const AliKalmanTrack &t);
25 virtual ~AliKalmanTrack(){};
26 AliKalmanTrack& operator=(const AliKalmanTrack &o);
27 void SetLabel(Int_t lab) {fLab=lab;}
29 virtual Double_t GetPredictedChi2(const AliCluster *c) const = 0;
30 virtual Bool_t PropagateTo(Double_t xr, Double_t x0, Double_t rho) = 0;
31 virtual Bool_t Update(const AliCluster* c, Double_t chi2, Int_t index) = 0;
33 Bool_t IsSortable() const {return kTRUE;}
34 Int_t GetLabel() const {return fLab;}
35 Double_t GetChi2() const {return fChi2;}
36 Double_t GetMass() const {return fMass;}
37 Int_t GetNumberOfClusters() const {return fN;}
38 virtual Int_t GetClusterIndex(Int_t) const { //reserved for AliTracker
39 AliWarning("Method must be overloaded !\n");
42 virtual Double_t GetPIDsignal() const {
43 AliWarning("Method must be overloaded !\n");
47 virtual Int_t Compare(const TObject *) const {return 0;}
49 void GetExternalParameters(Double_t &xr,Double_t p[5]) const {
51 for (Int_t i=0; i<5; i++) p[i]=GetParameter()[i];
53 void GetExternalCovariance(Double_t cov[15]) const {
54 for (Int_t i=0; i<15; i++) cov[i]=GetCovariance()[i];
57 // Time integration (S.Radomski@gsi.de)
58 void StartTimeIntegral();
59 void SetIntegratedLength(Double_t l) {fIntegratedLength=l;}
60 void SetIntegratedTimes(const Double_t *times);
62 Bool_t IsStartedTimeIntegral() const {return fStartTimeIntegral;}
63 void AddTimeStep(Double_t length);
64 void GetIntegratedTimes(Double_t *times) const;
65 Double_t GetIntegratedTime(Int_t pdg) const;
66 Double_t GetIntegratedLength() const {return fIntegratedLength;}
68 void SetNumberOfClusters(Int_t n) {fN=n;}
70 void SetFakeRatio(Float_t ratio) {fFakeRatio=ratio;}
71 Float_t GetFakeRatio() const {return fFakeRatio;}
72 void SetMass(Double_t mass) {fMass=mass;}
75 void SetChi2(Double_t chi2) {fChi2=chi2;}
77 Double32_t fFakeRatio; // fake ratio
78 Double32_t fChi2; // total chi2 value for this track
79 Double32_t fMass; // mass hypothesis
80 Int_t fLab; // track label
81 Int_t fN; // number of associated clusters
84 Bool_t fStartTimeIntegral; // indicator wether integrate time
85 // variables for time integration (S.Radomski@gsi.de)
86 Double32_t fIntegratedTime[AliPID::kSPECIES]; // integrated time
87 Double32_t fIntegratedLength; // integrated length
89 ClassDef(AliKalmanTrack,7) // Reconstructed track