1 #ifndef ALITRDTRACKV1_H
2 #define ALITRDTRACKV1_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 ///////////////////////////////////////////////////////////////////////////////
10 // Represents a reconstructed TRD track //
12 ///////////////////////////////////////////////////////////////////////////////
14 #ifndef ALIKALMANTRACK_H
15 #include "AliKalmanTrack.h"
19 #include "AliESDtrack.h"
22 #ifndef ALITRDSEEDV1_H
23 #include "AliTRDseedV1.h"
28 class AliTRDReconstructor;
29 class AliTRDtrackV1 : public AliKalmanTrack
32 enum { kMAXCLUSTERSPERTRACK = 210 };
36 , kNplane = AliESDtrack::kTRDnPlanes
42 // bits from 0-13 are reserved by ROOT (see TObject.h)
43 enum AliTRDtrackStatus {
49 AliTRDtrackV1(AliTRDseedV1 *trklts, const Double_t p[5], const Double_t cov[15], Double_t x, Double_t alpha);
50 AliTRDtrackV1(const AliESDtrack &ref);
51 AliTRDtrackV1(const AliTRDtrackV1 &ref);
52 virtual ~AliTRDtrackV1();
53 AliTRDtrackV1 &operator=(const AliTRDtrackV1 &ref) { *(new(this) AliTRDtrackV1(ref)); return *this; }
56 Bool_t CookLabel(Float_t wrong);
57 AliTRDtrackV1* GetBackupTrack() const {return fBackupTrack;}
58 Double_t GetBudget(Int_t i) const { return fBudget[i];}
59 Double_t GetC() const { return AliExternalTrackParam::GetC(GetBz());}
60 Int_t GetClusterIndex(Int_t id) const;
61 Float_t GetEdep() const {return fDE;}
62 inline Float_t GetMomentum(Int_t plane) const;
63 inline Int_t GetNCross();
64 inline Int_t GetNumberOfTracklets() const;
65 Double_t GetPIDsignal() const { return 0.;}
66 Double_t GetPID(Int_t is) const { return (is >=0 && is < AliPID::kSPECIES) ? fPID[is] : -1.;}
67 UChar_t GetPIDquality() const { return fPIDquality;}
68 Double_t GetPredictedChi2(const AliTRDseedV1 *tracklet) const;
69 Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; }
70 Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z);
71 AliTRDseedV1* GetTracklet(Int_t plane) const {return plane >=0 && plane <kNplane ? fTracklet[plane] : 0x0;}
72 Int_t GetTrackletIndex(Int_t plane) const { return (plane>=0 && plane<kNplane) ? fTrackletIndex[plane] : -1;}
73 UShort_t* GetTrackletIndexes() {return &fTrackletIndex[0];}
75 Bool_t IsOwner() const {return TestBit(kOwner);};
76 Bool_t IsStopped() const {return TestBit(kStopped);};
78 void MakeBackupTrack();
79 Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3);
80 Int_t PropagateToR(Double_t xr, Double_t step);
81 Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE);
82 void SetBudget(Int_t i, Double_t b) {if(i>=0 && i<3) fBudget[i] = b;}
83 void SetNumberOfClusters();
85 void SetStopped(Bool_t stop) {SetBit(kStopped, stop);}
86 void SetTracklet(AliTRDseedV1 *trklt, Int_t index);
87 inline void SetReconstructor(const AliTRDReconstructor *rec);
88 inline Float_t StatusForTOF();
89 void UnsetTracklet(Int_t plane);
90 Bool_t Update(AliTRDseedV1 *tracklet, Double_t chi2);
91 //Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t index, Double_t h01){ return AliTRDtrack::Update(c,chi2,index,h01); };
92 Bool_t Update(const AliCluster *, Double_t, Int_t) { return kFALSE; };
93 void UpdateESDtrack(AliESDtrack *t);
96 Double_t GetBz() const;
99 UChar_t fPIDquality; // No of planes used for PID calculation
100 UShort_t fTrackletIndex[kNplane];// Tracklets index in the tracker list
101 Double32_t fPID[AliPID::kSPECIES];// PID probabilities
102 Double32_t fBudget[3]; // Integrated material budget
103 Double32_t fDE; // Integrated delta energy
104 AliTRDseedV1 *fTracklet[kNplane]; // Tracklets array defining the track
105 AliTRDtrackV1 *fBackupTrack; // Backup track
108 ClassDef(AliTRDtrackV1, 2) // new TRD track
111 //____________________________________________________
112 inline Float_t AliTRDtrackV1::GetMomentum(Int_t plane) const
114 return plane >=0 && plane < kNplane && fTrackletIndex[plane] != 0xff ? fTracklet[plane]->GetMomentum() : -1.;
117 //____________________________________________________
118 inline Int_t AliTRDtrackV1::GetNCross()
121 for(Int_t ip=0; ip<kNplane; ip++){
122 if(!fTracklet[ip]) continue;
123 ncross += fTracklet[ip]->IsRowCross();
128 //____________________________________________________
129 inline Int_t AliTRDtrackV1::GetNumberOfTracklets() const
132 for(Int_t ip=0; ip<kNplane; ip++){
133 if(!fTracklet[ip]) continue;
140 //____________________________________________________
141 inline void AliTRDtrackV1::SetReconstructor(const AliTRDReconstructor *rec)
143 for(Int_t ip=0; ip<kNplane; ip++){
144 if(!fTracklet[ip]) continue;
145 fTracklet[ip]->SetReconstructor(rec);
150 //____________________________________________________________________________
151 inline Float_t AliTRDtrackV1::StatusForTOF()
154 // Defines the status of the TOF extrapolation
157 if(!fTracklet[5]) return 0.;
159 // Definition of res ????
160 Float_t res = /*(0.2 + 0.8 * (fN / (fNExpected + 5.0))) **/ (0.4 + 0.6 * fTracklet[5]->GetN() / 20.0);
161 res *= (0.25 + 0.8 * 40.0 / (40.0 + fBudget[2]));