Processing SPD Mean Vertex only in PHYSICS runs.
[u/mrichter/AliRoot.git] / STEER / AliKalmanTrack.h
CommitLineData
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
fb17acd4 7/* $Id$ */
8
87594435 9//-------------------------------------------------------------------------
10// Class AliKalmanTrack
9b859005 11// fixed the interface for the derived reconstructed track classes
12// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
87594435 13//-------------------------------------------------------------------------
14
6c94f330 15#include "AliExternalTrackParam.h"
c84a5e9e 16#include "AliLog.h"
304864ab 17#include "AliPID.h"
87594435 18
19class AliCluster;
20
6c94f330 21class AliKalmanTrack : public AliExternalTrackParam {
87594435 22public:
e2afb3b6 23 AliKalmanTrack();
24 AliKalmanTrack(const AliKalmanTrack &t);
be9c5115 25 virtual ~AliKalmanTrack(){};
316c6cd9 26 AliKalmanTrack& operator=(const AliKalmanTrack &o);
be9c5115 27 void SetLabel(Int_t lab) {fLab=lab;}
6c94f330 28
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;
be9c5115 32
33 Bool_t IsSortable() const {return kTRUE;}
34 Int_t GetLabel() const {return fLab;}
35 Double_t GetChi2() const {return fChi2;}
7f6ddf58 36 Double_t GetMass() const {return fMass;}
be9c5115 37 Int_t GetNumberOfClusters() const {return fN;}
e2afb3b6 38 virtual Int_t GetClusterIndex(Int_t) const { //reserved for AliTracker
c84a5e9e 39 AliWarning("Method must be overloaded !\n");
be9c5115 40 return 0;
41 }
888e2a3a 42 virtual Int_t GetNumberOfTracklets() const {
43 AliWarning("Method must be overloaded !");
44 return 0;
45 }
46 virtual Int_t GetTrackletIndex(Int_t) const { //reserved for AliTracker
47 AliWarning("Method must be overloaded !");
48 return -1;
49 }
ae982df3 50 virtual Double_t GetPIDsignal() const {
c84a5e9e 51 AliWarning("Method must be overloaded !\n");
ae982df3 52 return 0.;
53 }
be9c5115 54
e2afb3b6 55 virtual Int_t Compare(const TObject *) const {return 0;}
be9c5115 56
6c94f330 57 void GetExternalParameters(Double_t &xr,Double_t p[5]) const {
58 xr=GetX();
59 for (Int_t i=0; i<5; i++) p[i]=GetParameter()[i];
60 }
61 void GetExternalCovariance(Double_t cov[15]) const {
62 for (Int_t i=0; i<15; i++) cov[i]=GetCovariance()[i];
63 }
c7bafca9 64
49a7a79a 65 // Time integration (S.Radomski@gsi.de)
6c94f330 66 void StartTimeIntegral();
ae982df3 67 void SetIntegratedLength(Double_t l) {fIntegratedLength=l;}
68 void SetIntegratedTimes(const Double_t *times);
69
74f9526e 70 Bool_t IsStartedTimeIntegral() const {return fStartTimeIntegral;}
6c94f330 71 void AddTimeStep(Double_t length);
ae982df3 72 void GetIntegratedTimes(Double_t *times) const;
74f9526e 73 Double_t GetIntegratedTime(Int_t pdg) const;
74 Double_t GetIntegratedLength() const {return fIntegratedLength;}
7d0f8548 75
eb9891bc 76 void SetNumberOfClusters(Int_t n) {fN=n;}
c84a5e9e 77
6c94f330 78 void SetFakeRatio(Float_t ratio) {fFakeRatio=ratio;}
79 Float_t GetFakeRatio() const {return fFakeRatio;}
b9671574 80 void SetMass(Double_t mass) {fMass=mass;}
c84a5e9e 81
6c94f330 82protected:
be9c5115 83 void SetChi2(Double_t chi2) {fChi2=chi2;}
be9c5115 84
562dd0b4 85 Double32_t fFakeRatio; // fake ratio
86 Double32_t fChi2; // total chi2 value for this track
87 Double32_t fMass; // mass hypothesis
87594435 88 Int_t fLab; // track label
be9c5115 89 Int_t fN; // number of associated clusters
c84a5e9e 90
91private:
74f9526e 92 Bool_t fStartTimeIntegral; // indicator wether integrate time
562dd0b4 93 // variables for time integration (S.Radomski@gsi.de)
94 Double32_t fIntegratedTime[AliPID::kSPECIES]; // integrated time
95 Double32_t fIntegratedLength; // integrated length
74f9526e 96
562dd0b4 97 ClassDef(AliKalmanTrack,7) // Reconstructed track
87594435 98};
99
100#endif
101
102