In Notify, correct handling of the local case where the path is empty. (R. Arnaldi...
[u/mrichter/AliRoot.git] / TRD / AliTRDtrackV1.h
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d9950a5a 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 */
5
6/* $Id$ */
7
0906e73e 8///////////////////////////////////////////////////////////////////////////////
9// //
10// Represents a reconstructed TRD track //
11// //
12///////////////////////////////////////////////////////////////////////////////
d9950a5a 13
3b57a3f7 14#ifndef ALIKALMANTRACK_H
15#include "AliKalmanTrack.h"
d9950a5a 16#endif
17
3b57a3f7 18#ifndef ALIESDTRACK_H
19#include "AliESDtrack.h"
20#endif
21
22#ifndef ALITRDSEEDV1_H
23#include "AliTRDseedV1.h"
24#endif
d9950a5a 25
3b57a3f7 26class AliTRDcluster;
27class AliESDtrack;
181c7f7e 28class AliTRDReconstructor;
3b57a3f7 29class AliTRDtrackV1 : public AliKalmanTrack
d9950a5a 30{
3b57a3f7 31public:
32 enum { kMAXCLUSTERSPERTRACK = 210 };
33
34 enum { kNdet = 540
35 , kNstacks = 90
36 , kNplane = AliESDtrack::kTRDnPlanes
37 , kNcham = 5
38 , kNsect = 18
39 , kNslice = 3
40 , kNMLPslice = 8 };
41
2e2915e7 42 // bits from 0-13 are reserved by ROOT (see TObject.h)
e44586fb 43 enum AliTRDtrackStatus {
2e2915e7 44 kOwner = BIT(14)
45 , kStopped = BIT(15)
e44586fb 46 };
0906e73e 47
3b57a3f7 48 AliTRDtrackV1();
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; }
54
55 Bool_t CookPID();
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());}
0349cc67 60 AliTRDcluster* GetCluster(Int_t id);
3b57a3f7 61 Int_t GetClusterIndex(Int_t id) const;
62 Float_t GetEdep() const {return fDE;}
63 inline Float_t GetMomentum(Int_t plane) const;
64 inline Int_t GetNCross();
82180ec1 65 inline Int_t GetNumberOfTracklets() const;
1128e139 66 Double_t GetPIDsignal() const { return 0.;}
3b57a3f7 67 Double_t GetPID(Int_t is) const { return (is >=0 && is < AliPID::kSPECIES) ? fPID[is] : -1.;}
1128e139 68 UChar_t GetPIDquality() const { return fPIDquality;}
3b57a3f7 69 Double_t GetPredictedChi2(const AliTRDseedV1 *tracklet) const;
70 Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; }
71 Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z);
72 AliTRDseedV1* GetTracklet(Int_t plane) const {return plane >=0 && plane <kNplane ? fTracklet[plane] : 0x0;}
73 Int_t GetTrackletIndex(Int_t plane) const { return (plane>=0 && plane<kNplane) ? fTrackletIndex[plane] : -1;}
74 UShort_t* GetTrackletIndexes() {return &fTrackletIndex[0];}
75
e44586fb 76 Bool_t IsOwner() const {return TestBit(kOwner);};
77 Bool_t IsStopped() const {return TestBit(kStopped);};
22a4ab0c 78 Bool_t IsElectron() const;
3b57a3f7 79
87a7fa94 80 void MakeBackupTrack();
3b57a3f7 81 Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3);
82 Int_t PropagateToR(Double_t xr, Double_t step);
83 Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE);
84 void SetBudget(Int_t i, Double_t b) {if(i>=0 && i<3) fBudget[i] = b;}
85 void SetNumberOfClusters();
86 void SetOwner();
e44586fb 87 void SetStopped(Bool_t stop) {SetBit(kStopped, stop);}
3b57a3f7 88 void SetTracklet(AliTRDseedV1 *trklt, Int_t index);
181c7f7e 89 inline void SetReconstructor(const AliTRDReconstructor *rec);
3b57a3f7 90 inline Float_t StatusForTOF();
181d2c97 91 void UnsetTracklet(Int_t plane);
3b57a3f7 92 Bool_t Update(AliTRDseedV1 *tracklet, Double_t chi2);
93 //Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t index, Double_t h01){ return AliTRDtrack::Update(c,chi2,index,h01); };
94 Bool_t Update(const AliCluster *, Double_t, Int_t) { return kFALSE; };
95 void UpdateESDtrack(AliESDtrack *t);
96
97protected:
98 Double_t GetBz() const;
99
100private:
101 UChar_t fPIDquality; // No of planes used for PID calculation
102 UShort_t fTrackletIndex[kNplane];// Tracklets index in the tracker list
103 Double32_t fPID[AliPID::kSPECIES];// PID probabilities
104 Double32_t fBudget[3]; // Integrated material budget
105 Double32_t fDE; // Integrated delta energy
215f7116 106 const AliTRDReconstructor *fReconstructor;//! reconstructor link
3b57a3f7 107 AliTRDseedV1 *fTracklet[kNplane]; // Tracklets array defining the track
108 AliTRDtrackV1 *fBackupTrack; // Backup track
d9950a5a 109
0906e73e 110
215f7116 111 ClassDef(AliTRDtrackV1, 3) // new TRD track
d9950a5a 112};
113
3b57a3f7 114//____________________________________________________
115inline Float_t AliTRDtrackV1::GetMomentum(Int_t plane) const
116{
117 return plane >=0 && plane < kNplane && fTrackletIndex[plane] != 0xff ? fTracklet[plane]->GetMomentum() : -1.;
118}
119
120//____________________________________________________
121inline Int_t AliTRDtrackV1::GetNCross()
122{
123 Int_t ncross = 0;
124 for(Int_t ip=0; ip<kNplane; ip++){
125 if(!fTracklet[ip]) continue;
126 ncross += fTracklet[ip]->IsRowCross();
127 }
128 return ncross;
129}
130
82180ec1 131//____________________________________________________
132inline Int_t AliTRDtrackV1::GetNumberOfTracklets() const
133{
134 Int_t n = 0;
135 for(Int_t ip=0; ip<kNplane; ip++){
136 if(!fTracklet[ip]) continue;
137 n++;
138 }
139 return n;
140}
141
181c7f7e 142
143//____________________________________________________
144inline void AliTRDtrackV1::SetReconstructor(const AliTRDReconstructor *rec)
145{
146 for(Int_t ip=0; ip<kNplane; ip++){
147 if(!fTracklet[ip]) continue;
148 fTracklet[ip]->SetReconstructor(rec);
149 }
215f7116 150 fReconstructor = rec;
181c7f7e 151}
152
153
3b57a3f7 154//____________________________________________________________________________
155inline Float_t AliTRDtrackV1::StatusForTOF()
156{
157 //
158 // Defines the status of the TOF extrapolation
159 //
160
161 if(!fTracklet[5]) return 0.;
162
163 // Definition of res ????
164 Float_t res = /*(0.2 + 0.8 * (fN / (fNExpected + 5.0))) **/ (0.4 + 0.6 * fTracklet[5]->GetN() / 20.0);
165 res *= (0.25 + 0.8 * 40.0 / (40.0 + fBudget[2]));
166 return res;
167}
d9950a5a 168
169#endif
170
171
6e49cfdb 172