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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; | |
181c7f7e | 28 | class AliTRDReconstructor; |
3b57a3f7 | 29 | class AliTRDtrackV1 : public AliKalmanTrack |
d9950a5a | 30 | { |
3b57a3f7 | 31 | public: |
e3cf3d02 | 32 | enum ETRDtrackV1Size { |
33 | kNdet = AliTRDgeometry::kNdet | |
34 | ,kNstacks = AliTRDgeometry::kNstack*AliTRDgeometry::kNsector | |
35 | ,kNplane = AliTRDgeometry::kNlayer | |
36 | ,kNcham = AliTRDgeometry::kNstack | |
37 | ,kNsect = AliTRDgeometry::kNsector | |
38 | ,kNslice = 3 | |
39 | ,kNMLPslice = 8 | |
40 | ,kMAXCLUSTERSPERTRACK = 210 | |
41 | }; | |
3b57a3f7 | 42 | |
2e2915e7 | 43 | // bits from 0-13 are reserved by ROOT (see TObject.h) |
e3cf3d02 | 44 | enum ETRDtrackV1Status { |
45 | kOwner = BIT(14) | |
46 | ,kStopped = BIT(15) | |
f29f13a6 | 47 | ,kKink = BIT(16) |
e44586fb | 48 | }; |
0906e73e | 49 | |
3b57a3f7 | 50 | AliTRDtrackV1(); |
51 | AliTRDtrackV1(AliTRDseedV1 *trklts, const Double_t p[5], const Double_t cov[15], Double_t x, Double_t alpha); | |
52 | AliTRDtrackV1(const AliESDtrack &ref); | |
53 | AliTRDtrackV1(const AliTRDtrackV1 &ref); | |
54 | virtual ~AliTRDtrackV1(); | |
55 | AliTRDtrackV1 &operator=(const AliTRDtrackV1 &ref) { *(new(this) AliTRDtrackV1(ref)); return *this; } | |
56 | ||
57 | Bool_t CookPID(); | |
58 | Bool_t CookLabel(Float_t wrong); | |
59 | AliTRDtrackV1* GetBackupTrack() const {return fBackupTrack;} | |
60 | Double_t GetBudget(Int_t i) const { return fBudget[i];} | |
0349cc67 | 61 | AliTRDcluster* GetCluster(Int_t id); |
3b57a3f7 | 62 | Int_t GetClusterIndex(Int_t id) const; |
63 | Float_t GetEdep() const {return fDE;} | |
64 | inline Float_t GetMomentum(Int_t plane) const; | |
65 | inline Int_t GetNCross(); | |
82180ec1 | 66 | inline Int_t GetNumberOfTracklets() const; |
1128e139 | 67 | Double_t GetPIDsignal() const { return 0.;} |
3b57a3f7 | 68 | Double_t GetPID(Int_t is) const { return (is >=0 && is < AliPID::kSPECIES) ? fPID[is] : -1.;} |
1128e139 | 69 | UChar_t GetPIDquality() const { return fPIDquality;} |
3b57a3f7 | 70 | Double_t GetPredictedChi2(const AliTRDseedV1 *tracklet) const; |
71 | Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; } | |
72 | Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z); | |
73 | AliTRDseedV1* GetTracklet(Int_t plane) const {return plane >=0 && plane <kNplane ? fTracklet[plane] : 0x0;} | |
e3cf3d02 | 74 | Int_t GetTrackletIndex(Int_t plane) const { return (plane>=0 && plane<kNplane) ? fTrackletIndex[plane] : -1;} |
75 | AliExternalTrackParam* | |
76 | GetTrackLow() const { return fTrackLow;} | |
77 | AliExternalTrackParam* | |
78 | GetTrackHigh() const { return fTrackHigh;} | |
79 | UShort_t* GetTrackletIndexes() { return &fTrackletIndex[0];} | |
3b57a3f7 | 80 | |
203967fc | 81 | Bool_t IsEqual(const TObject *inTrack) const; |
f29f13a6 | 82 | Bool_t IsKink() const { return TestBit(kKink);} |
83 | Bool_t IsOwner() const { return TestBit(kOwner);}; | |
84 | Bool_t IsStopped() const { return TestBit(kStopped);}; | |
22a4ab0c | 85 | Bool_t IsElectron() const; |
3b57a3f7 | 86 | |
87a7fa94 | 87 | void MakeBackupTrack(); |
203967fc | 88 | void Print(Option_t *o="") const; |
89 | ||
3b57a3f7 | 90 | Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3); |
91 | Int_t PropagateToR(Double_t xr, Double_t step); | |
92 | Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE); | |
93 | void SetBudget(Int_t i, Double_t b) {if(i>=0 && i<3) fBudget[i] = b;} | |
bee2b41e | 94 | void SetEdep(Double32_t inDE){fDE = inDE;}; |
f29f13a6 | 95 | void SetKink(Bool_t k) { SetBit(kKink, k);} |
3b57a3f7 | 96 | void SetNumberOfClusters(); |
97 | void SetOwner(); | |
bee2b41e | 98 | void SetPID(Short_t is, Double_t inPID){if (is >=0 && is < AliPID::kSPECIES) fPID[is]=inPID;}; |
99 | void SetPIDquality(UChar_t inPIDquality){fPIDquality = inPIDquality;}; | |
e44586fb | 100 | void SetStopped(Bool_t stop) {SetBit(kStopped, stop);} |
3b57a3f7 | 101 | void SetTracklet(AliTRDseedV1 *trklt, Int_t index); |
e3cf3d02 | 102 | void SetTrackLow(); |
103 | void SetTrackHigh(const AliExternalTrackParam *op=0x0); | |
181c7f7e | 104 | inline void SetReconstructor(const AliTRDReconstructor *rec); |
3b57a3f7 | 105 | inline Float_t StatusForTOF(); |
181d2c97 | 106 | void UnsetTracklet(Int_t plane); |
3b57a3f7 | 107 | Bool_t Update(AliTRDseedV1 *tracklet, Double_t chi2); |
108 | //Bool_t Update(const AliTRDcluster *c, Double_t chi2, Int_t index, Double_t h01){ return AliTRDtrack::Update(c,chi2,index,h01); }; | |
109 | Bool_t Update(const AliCluster *, Double_t, Int_t) { return kFALSE; }; | |
110 | void UpdateESDtrack(AliESDtrack *t); | |
3b57a3f7 | 111 | |
112 | private: | |
113 | UChar_t fPIDquality; // No of planes used for PID calculation | |
114 | UShort_t fTrackletIndex[kNplane];// Tracklets index in the tracker list | |
115 | Double32_t fPID[AliPID::kSPECIES];// PID probabilities | |
116 | Double32_t fBudget[3]; // Integrated material budget | |
117 | Double32_t fDE; // Integrated delta energy | |
215f7116 | 118 | const AliTRDReconstructor *fReconstructor;//! reconstructor link |
3b57a3f7 | 119 | AliTRDseedV1 *fTracklet[kNplane]; // Tracklets array defining the track |
120 | AliTRDtrackV1 *fBackupTrack; // Backup track | |
e3cf3d02 | 121 | AliExternalTrackParam *fTrackLow; // parameters of the track which enter TRD from below (TPC) |
122 | AliExternalTrackParam *fTrackHigh; // parameters of the track which enter TRD from above (HMPID, PHOS) | |
d9950a5a | 123 | |
e3cf3d02 | 124 | ClassDef(AliTRDtrackV1, 4) // new TRD track |
d9950a5a | 125 | }; |
126 | ||
3b57a3f7 | 127 | //____________________________________________________ |
128 | inline Float_t AliTRDtrackV1::GetMomentum(Int_t plane) const | |
129 | { | |
130 | return plane >=0 && plane < kNplane && fTrackletIndex[plane] != 0xff ? fTracklet[plane]->GetMomentum() : -1.; | |
131 | } | |
132 | ||
133 | //____________________________________________________ | |
134 | inline Int_t AliTRDtrackV1::GetNCross() | |
135 | { | |
136 | Int_t ncross = 0; | |
137 | for(Int_t ip=0; ip<kNplane; ip++){ | |
138 | if(!fTracklet[ip]) continue; | |
139 | ncross += fTracklet[ip]->IsRowCross(); | |
140 | } | |
141 | return ncross; | |
142 | } | |
143 | ||
82180ec1 | 144 | //____________________________________________________ |
145 | inline Int_t AliTRDtrackV1::GetNumberOfTracklets() const | |
146 | { | |
147 | Int_t n = 0; | |
148 | for(Int_t ip=0; ip<kNplane; ip++){ | |
149 | if(!fTracklet[ip]) continue; | |
150 | n++; | |
151 | } | |
152 | return n; | |
153 | } | |
154 | ||
181c7f7e | 155 | |
156 | //____________________________________________________ | |
157 | inline void AliTRDtrackV1::SetReconstructor(const AliTRDReconstructor *rec) | |
158 | { | |
159 | for(Int_t ip=0; ip<kNplane; ip++){ | |
160 | if(!fTracklet[ip]) continue; | |
161 | fTracklet[ip]->SetReconstructor(rec); | |
162 | } | |
215f7116 | 163 | fReconstructor = rec; |
181c7f7e | 164 | } |
165 | ||
166 | ||
3b57a3f7 | 167 | //____________________________________________________________________________ |
168 | inline Float_t AliTRDtrackV1::StatusForTOF() | |
169 | { | |
170 | // | |
171 | // Defines the status of the TOF extrapolation | |
172 | // | |
173 | ||
174 | if(!fTracklet[5]) return 0.; | |
175 | ||
176 | // Definition of res ???? | |
177 | Float_t res = /*(0.2 + 0.8 * (fN / (fNExpected + 5.0))) **/ (0.4 + 0.6 * fTracklet[5]->GetN() / 20.0); | |
178 | res *= (0.25 + 0.8 * 40.0 / (40.0 + fBudget[2])); | |
179 | return res; | |
180 | } | |
d9950a5a | 181 | |
182 | #endif | |
183 | ||
184 | ||
6e49cfdb | 185 |