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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 | 26 | class AliTRDcluster; |
27 | class AliESDtrack; | |
28 | class AliTRDtrackV1 : public AliKalmanTrack | |
d9950a5a | 29 | { |
3b57a3f7 | 30 | public: |
31 | enum { kMAXCLUSTERSPERTRACK = 210 }; | |
32 | ||
33 | enum { kNdet = 540 | |
34 | , kNstacks = 90 | |
35 | , kNplane = AliESDtrack::kTRDnPlanes | |
36 | , kNcham = 5 | |
37 | , kNsect = 18 | |
38 | , kNslice = 3 | |
39 | , kNMLPslice = 8 }; | |
40 | ||
41 | enum AliTRDPIDMethod { | |
42 | kNN = 0 | |
43 | , kLQ = 1 }; | |
0906e73e | 44 | |
3b57a3f7 | 45 | AliTRDtrackV1(); |
46 | AliTRDtrackV1(AliTRDseedV1 *trklts, const Double_t p[5], const Double_t cov[15], Double_t x, Double_t alpha); | |
47 | AliTRDtrackV1(const AliESDtrack &ref); | |
48 | AliTRDtrackV1(const AliTRDtrackV1 &ref); | |
49 | virtual ~AliTRDtrackV1(); | |
50 | AliTRDtrackV1 &operator=(const AliTRDtrackV1 &ref) { *(new(this) AliTRDtrackV1(ref)); return *this; } | |
51 | ||
52 | Bool_t CookPID(); | |
53 | Bool_t CookLabel(Float_t wrong); | |
54 | AliTRDtrackV1* GetBackupTrack() const {return fBackupTrack;} | |
55 | Double_t GetBudget(Int_t i) const { return fBudget[i];} | |
56 | Double_t GetC() const { return AliExternalTrackParam::GetC(GetBz());} | |
57 | Int_t GetClusterIndex(Int_t id) const; | |
58 | Float_t GetEdep() const {return fDE;} | |
59 | inline Float_t GetMomentum(Int_t plane) const; | |
60 | inline Int_t GetNCross(); | |
82180ec1 | 61 | inline Int_t GetNumberOfTracklets() const; |
3b57a3f7 | 62 | Double_t GetPIDsignal() const {return 0.;} |
63 | Double_t GetPID(Int_t is) const { return (is >=0 && is < AliPID::kSPECIES) ? fPID[is] : -1.;} | |
64 | Double_t GetPredictedChi2(const AliTRDseedV1 *tracklet) const; | |
65 | Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; } | |
66 | Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z); | |
67 | AliTRDseedV1* GetTracklet(Int_t plane) const {return plane >=0 && plane <kNplane ? fTracklet[plane] : 0x0;} | |
68 | Int_t GetTrackletIndex(Int_t plane) const { return (plane>=0 && plane<kNplane) ? fTrackletIndex[plane] : -1;} | |
69 | UShort_t* GetTrackletIndexes() {return &fTrackletIndex[0];} | |
70 | ||
71 | Bool_t IsOwner() const {return TestBit(1);}; | |
72 | Bool_t IsStopped() const {return TestBit(2);}; | |
73 | ||
87a7fa94 | 74 | void MakeBackupTrack(); |
3b57a3f7 | 75 | Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3); |
76 | Int_t PropagateToR(Double_t xr, Double_t step); | |
77 | Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE); | |
78 | void SetBudget(Int_t i, Double_t b) {if(i>=0 && i<3) fBudget[i] = b;} | |
79 | void SetNumberOfClusters(); | |
80 | void SetOwner(); | |
81 | void SetStopped(Bool_t stop) {SetBit(2, stop);} | |
82 | void SetTracklet(AliTRDseedV1 *trklt, Int_t index); | |
83 | inline Float_t StatusForTOF(); | |
84 | Bool_t Update(AliTRDseedV1 *tracklet, Double_t chi2); | |
85 | //Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t index, Double_t h01){ return AliTRDtrack::Update(c,chi2,index,h01); }; | |
86 | Bool_t Update(const AliCluster *, Double_t, Int_t) { return kFALSE; }; | |
87 | void UpdateESDtrack(AliESDtrack *t); | |
88 | ||
89 | protected: | |
90 | Double_t GetBz() const; | |
91 | ||
92 | private: | |
93 | UChar_t fPIDquality; // No of planes used for PID calculation | |
94 | UShort_t fTrackletIndex[kNplane];// Tracklets index in the tracker list | |
95 | Double32_t fPID[AliPID::kSPECIES];// PID probabilities | |
96 | Double32_t fBudget[3]; // Integrated material budget | |
97 | Double32_t fDE; // Integrated delta energy | |
98 | AliTRDseedV1 *fTracklet[kNplane]; // Tracklets array defining the track | |
99 | AliTRDtrackV1 *fBackupTrack; // Backup track | |
d9950a5a | 100 | |
0906e73e | 101 | |
3b57a3f7 | 102 | ClassDef(AliTRDtrackV1, 2) // new TRD track |
d9950a5a | 103 | }; |
104 | ||
3b57a3f7 | 105 | //____________________________________________________ |
106 | inline Float_t AliTRDtrackV1::GetMomentum(Int_t plane) const | |
107 | { | |
108 | return plane >=0 && plane < kNplane && fTrackletIndex[plane] != 0xff ? fTracklet[plane]->GetMomentum() : -1.; | |
109 | } | |
110 | ||
111 | //____________________________________________________ | |
112 | inline Int_t AliTRDtrackV1::GetNCross() | |
113 | { | |
114 | Int_t ncross = 0; | |
115 | for(Int_t ip=0; ip<kNplane; ip++){ | |
116 | if(!fTracklet[ip]) continue; | |
117 | ncross += fTracklet[ip]->IsRowCross(); | |
118 | } | |
119 | return ncross; | |
120 | } | |
121 | ||
82180ec1 | 122 | //____________________________________________________ |
123 | inline Int_t AliTRDtrackV1::GetNumberOfTracklets() const | |
124 | { | |
125 | Int_t n = 0; | |
126 | for(Int_t ip=0; ip<kNplane; ip++){ | |
127 | if(!fTracklet[ip]) continue; | |
128 | n++; | |
129 | } | |
130 | return n; | |
131 | } | |
132 | ||
3b57a3f7 | 133 | //____________________________________________________________________________ |
134 | inline Float_t AliTRDtrackV1::StatusForTOF() | |
135 | { | |
136 | // | |
137 | // Defines the status of the TOF extrapolation | |
138 | // | |
139 | ||
140 | if(!fTracklet[5]) return 0.; | |
141 | ||
142 | // Definition of res ???? | |
143 | Float_t res = /*(0.2 + 0.8 * (fN / (fNExpected + 5.0))) **/ (0.4 + 0.6 * fTracklet[5]->GetN() / 20.0); | |
144 | res *= (0.25 + 0.8 * 40.0 / (40.0 + fBudget[2])); | |
145 | return res; | |
146 | } | |
d9950a5a | 147 | |
148 | #endif | |
149 | ||
150 |