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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 | |
d8069611 | 14 | #ifndef ALIKALMANTRACK_H |
3b57a3f7 | 15 | #include "AliKalmanTrack.h" |
d8069611 | 16 | #endif |
3b57a3f7 | 17 | |
d8069611 | 18 | #ifndef ALITRDSEEDV1_H |
3b57a3f7 | 19 | #include "AliTRDseedV1.h" |
d8069611 | 20 | #endif |
d9950a5a | 21 | |
e2a1c98b | 22 | template <typename Value> class TVectorT; |
23 | typedef class TVectorT<Double_t> TVectorD; | |
3b57a3f7 | 24 | class AliESDtrack; |
d8069611 | 25 | class AliTRDcluster; |
181c7f7e | 26 | class AliTRDReconstructor; |
3b57a3f7 | 27 | class AliTRDtrackV1 : public AliKalmanTrack |
d9950a5a | 28 | { |
d8069611 | 29 | friend class AliHLTTRDTrack; // allow HLT special access |
3b57a3f7 | 30 | public: |
eb2b4f91 | 31 | enum ETRDtrackSize { |
e3cf3d02 | 32 | kNdet = AliTRDgeometry::kNdet |
33 | ,kNstacks = AliTRDgeometry::kNstack*AliTRDgeometry::kNsector | |
34 | ,kNplane = AliTRDgeometry::kNlayer | |
35 | ,kNcham = AliTRDgeometry::kNstack | |
36 | ,kNsect = AliTRDgeometry::kNsector | |
e3cf3d02 | 37 | ,kMAXCLUSTERSPERTRACK = 210 |
38 | }; | |
3b57a3f7 | 39 | |
2e2915e7 | 40 | // bits from 0-13 are reserved by ROOT (see TObject.h) |
eb2b4f91 | 41 | enum ETRDtrackStatus { |
42 | kOwner = BIT(14) | |
43 | ,kStopped = BIT(15) | |
44 | ,kKink = BIT(16) | |
92032839 | 45 | ,kPrimary = BIT(17) |
46 | ,kSeeder = BIT(18) // if set other than TPC (ITS, TRD) | |
eb2b4f91 | 47 | }; |
48 | ||
49 | // propagation/update error codes (up to 4 bits) | |
50 | enum ETRDtrackError { | |
51 | kProlongation = 1 | |
52 | ,kPropagation | |
53 | ,kAdjustSector | |
54 | ,kSnp | |
55 | ,kTrackletInit | |
56 | ,kUpdate | |
af4e990c | 57 | ,kUnknown = 0xff |
eb2b4f91 | 58 | }; |
59 | ||
60 | // data/clusters/tracklet error codes (up to 4 bits/layer) | |
61 | enum ETRDlayerError { | |
62 | kGeometry = 1 | |
63 | ,kBoundary | |
64 | ,kNoClusters | |
65 | ,kNoAttach | |
66 | ,kNoClustersTracklet | |
67 | ,kNoFit | |
68 | ,kChi2 | |
e44586fb | 69 | }; |
0906e73e | 70 | |
3b57a3f7 | 71 | AliTRDtrackV1(); |
e17f4785 | 72 | AliTRDtrackV1(AliTRDseedV1 * const trklts, const Double_t p[5], const Double_t cov[15], Double_t x, Double_t alpha); |
3b57a3f7 | 73 | AliTRDtrackV1(const AliESDtrack &ref); |
74 | AliTRDtrackV1(const AliTRDtrackV1 &ref); | |
75 | virtual ~AliTRDtrackV1(); | |
e08a5492 | 76 | AliTRDtrackV1 &operator=(const AliTRDtrackV1 &ref); |
77 | virtual void Copy(TObject &ref) const; | |
24aea01c | 78 | virtual TObject* Clone(const char* newname = "") const; |
3b57a3f7 | 79 | Bool_t CookPID(); |
d0037ea4 | 80 | Double_t CookTruncatedMean(const Bool_t kinvq, const Double_t mag, const Int_t charge, const Int_t kcalib, Int_t &nch, Int_t &ncls, TVectorD *Qs=NULL, TVectorD *Xs=NULL, Int_t timeBin0=-1, Int_t timeBin1=1000, Int_t tstep=1) const; |
e2a1c98b | 81 | |
e73baf29 | 82 | Int_t CookLabel(Float_t wrong, Int_t *labs=NULL, Float_t *freq=NULL); |
3b57a3f7 | 83 | AliTRDtrackV1* GetBackupTrack() const {return fBackupTrack;} |
84 | Double_t GetBudget(Int_t i) const { return fBudget[i];} | |
0349cc67 | 85 | AliTRDcluster* GetCluster(Int_t id); |
3b57a3f7 | 86 | Int_t GetClusterIndex(Int_t id) const; |
87 | Float_t GetEdep() const {return fDE;} | |
352cef8f | 88 | Int_t GetESDid() const {return fESDid;} |
c4a4e64f | 89 | inline Float_t GetMomentum(Int_t plane=-1) const; |
3b57a3f7 | 90 | inline Int_t GetNCross(); |
82180ec1 | 91 | inline Int_t GetNumberOfTracklets() const; |
1128e139 | 92 | Double_t GetPIDsignal() const { return 0.;} |
3b57a3f7 | 93 | Double_t GetPID(Int_t is) const { return (is >=0 && is < AliPID::kSPECIES) ? fPID[is] : -1.;} |
eb2b4f91 | 94 | UChar_t GetNumberOfTrackletsPID() const; |
1f97f376 | 95 | Int_t GetNumberOfPhysicsSlices() const { return fNdEdxSlices; }; |
b72f4eaf | 96 | Double_t GetPredictedChi2(const AliTRDseedV1 *tracklet, Double_t *cov) const; |
3b57a3f7 | 97 | Double_t GetPredictedChi2(const AliCluster* /*c*/) const { return 0.0; } |
f8a9723f | 98 | Int_t GetProlongation(Double_t xk, Double_t &y, Double_t &z) const; |
eb2b4f91 | 99 | inline UChar_t GetStatusTRD(Int_t ly=-1) const; |
100 | Int_t GetSector() const; | |
4d6aee34 | 101 | AliTRDseedV1* GetTracklet(Int_t plane) const {return plane >=0 && plane <kNplane ? fTracklet[plane] : NULL;} |
e3cf3d02 | 102 | Int_t GetTrackletIndex(Int_t plane) const { return (plane>=0 && plane<kNplane) ? fTrackletIndex[plane] : -1;} |
103 | AliExternalTrackParam* | |
a310e49b | 104 | GetTrackIn() const { return fTrackLow;} |
e3cf3d02 | 105 | AliExternalTrackParam* |
a310e49b | 106 | GetTrackOut() const { return fTrackHigh;} |
17896e82 | 107 | const Int_t* GetTrackletIndexes() const { return &fTrackletIndex[0];} |
203967fc | 108 | Bool_t IsEqual(const TObject *inTrack) const; |
1f97f376 | 109 | Bool_t IsKink() const { return TestBit(kKink);} |
110 | Bool_t IsOwner() const { return TestBit(kOwner);}; | |
111 | Bool_t IsPrimary() const { return TestBit(kPrimary);}; | |
112 | Bool_t IsStopped() const { return TestBit(kStopped);}; | |
22a4ab0c | 113 | Bool_t IsElectron() const; |
1f97f376 | 114 | Bool_t IsTPCseeded() const { return !TestBit(kSeeder);}; |
eb2b4f91 | 115 | inline static Bool_t IsTrackError(ETRDtrackError error, UInt_t status); |
116 | inline static Bool_t IsLayerError(ETRDlayerError error, Int_t layer, UInt_t status); | |
117 | ||
b453ef55 | 118 | Int_t MakeBackupTrack(); |
203967fc | 119 | void Print(Option_t *o="") const; |
120 | ||
3b57a3f7 | 121 | Bool_t PropagateTo(Double_t xr, Double_t x0 = 8.72, Double_t rho = 5.86e-3); |
122 | Int_t PropagateToR(Double_t xr, Double_t step); | |
123 | Bool_t Rotate(Double_t angle, Bool_t absolute = kFALSE); | |
124 | void SetBudget(Int_t i, Double_t b) {if(i>=0 && i<3) fBudget[i] = b;} | |
bee2b41e | 125 | void SetEdep(Double32_t inDE){fDE = inDE;}; |
352cef8f | 126 | void SetESDid(Int_t id) {fESDid = id;} |
f29f13a6 | 127 | void SetKink(Bool_t k) { SetBit(kKink, k);} |
2eb10c34 | 128 | void SetPrimary(Bool_t k) { SetBit(kPrimary, k);} |
92032839 | 129 | void SetNonTPCseeded(Bool_t k){ SetBit(kSeeder, k);} |
3b57a3f7 | 130 | void SetNumberOfClusters(); |
131 | void SetOwner(); | |
bee2b41e | 132 | void SetPID(Short_t is, Double_t inPID){if (is >=0 && is < AliPID::kSPECIES) fPID[is]=inPID;}; |
4d6aee34 | 133 | void SetPIDquality(UChar_t /*inPIDquality*/) const {/*fPIDquality = inPIDquality*/;}; |
34b5e42d | 134 | inline void SetErrStat(UChar_t stat, Int_t ly=-1); |
e44586fb | 135 | void SetStopped(Bool_t stop) {SetBit(kStopped, stop);} |
4d6aee34 | 136 | void SetTracklet(AliTRDseedV1 *const trklt, Int_t index); |
a310e49b | 137 | void SetTrackIn(); |
138 | void SetTrackOut(const AliExternalTrackParam *op=NULL); | |
181c7f7e | 139 | inline void SetReconstructor(const AliTRDReconstructor *rec); |
3b57a3f7 | 140 | inline Float_t StatusForTOF(); |
181d2c97 | 141 | void UnsetTracklet(Int_t plane); |
4d6aee34 | 142 | Bool_t Update(const AliCluster *, Double_t, Int_t) { return kFALSE; }; |
ef867f55 | 143 | void UpdateChi2(Float_t chi2); |
3b57a3f7 | 144 | void UpdateESDtrack(AliESDtrack *t); |
3b57a3f7 | 145 | |
146 | private: | |
eb2b4f91 | 147 | UInt_t fStatus; // Bit map for the status of propagation |
17896e82 | 148 | Int_t fTrackletIndex[kNplane];// Tracklets index in the tracker list |
352cef8f | 149 | Int_t fESDid; // ESD track id |
eb2b4f91 | 150 | Double32_t fPID[AliPID::kSPECIES]; // PID probabilities |
151 | Double32_t fBudget[3]; // Integrated material budget | |
152 | Double32_t fDE; // Integrated delta energy | |
e2a1c98b | 153 | Double32_t fTruncatedMean; // Truncated mean |
d0037ea4 | 154 | Int_t fNchamberdEdx; // number of chambers used in calculating truncated mean |
155 | Int_t fNclusterdEdx; // number of clusters used in calculating truncated mean | |
1f97f376 | 156 | Int_t fNdEdxSlices; // number of "physics slices" fill via AliTRDPIDResponse |
e2a1c98b | 157 | |
4d6aee34 | 158 | const AliTRDReconstructor *fkReconstructor;//! reconstructor link |
eb2b4f91 | 159 | AliTRDtrackV1 *fBackupTrack; //! Backup track |
17896e82 | 160 | AliTRDseedV1 *fTracklet[kNplane]; // Tracklets array defining the track |
eb2b4f91 | 161 | AliExternalTrackParam *fTrackLow; // parameters of the track which enter TRD from below (TPC) |
17896e82 | 162 | AliExternalTrackParam *fTrackHigh; // parameters of the track which enter TRD from above (HMPID, PHOS) |
d9950a5a | 163 | |
1f97f376 | 164 | ClassDef(AliTRDtrackV1, 8) // TRD track - tracklet based |
d9950a5a | 165 | }; |
166 | ||
3b57a3f7 | 167 | //____________________________________________________ |
168 | inline Float_t AliTRDtrackV1::GetMomentum(Int_t plane) const | |
169 | { | |
c4a4e64f | 170 | // Return ESD momentum stored in the tracklet reconstructed in layer = "plane". |
171 | // By default returns the ESD momentum in first tracklet attached to track | |
172 | if(plane==-1){ | |
173 | for(Int_t i(0); i<kNplane; i++){ | |
174 | if(fTracklet[i]) return fTracklet[i]->GetMomentum(); | |
175 | } | |
176 | } else if( plane >=0 && plane < kNplane){ | |
177 | if(fTracklet[plane]) return fTracklet[plane]->GetMomentum(); | |
178 | } | |
179 | return -1.; | |
3b57a3f7 | 180 | } |
181 | ||
182 | //____________________________________________________ | |
183 | inline Int_t AliTRDtrackV1::GetNCross() | |
184 | { | |
185 | Int_t ncross = 0; | |
186 | for(Int_t ip=0; ip<kNplane; ip++){ | |
187 | if(!fTracklet[ip]) continue; | |
188 | ncross += fTracklet[ip]->IsRowCross(); | |
189 | } | |
190 | return ncross; | |
191 | } | |
192 | ||
82180ec1 | 193 | //____________________________________________________ |
194 | inline Int_t AliTRDtrackV1::GetNumberOfTracklets() const | |
195 | { | |
196 | Int_t n = 0; | |
197 | for(Int_t ip=0; ip<kNplane; ip++){ | |
198 | if(!fTracklet[ip]) continue; | |
199 | n++; | |
200 | } | |
201 | return n; | |
202 | } | |
203 | ||
eb2b4f91 | 204 | //____________________________________________________ |
205 | inline UChar_t AliTRDtrackV1::GetStatusTRD(Int_t ly) const | |
206 | { | |
af4e990c | 207 | if(ly>=-1 && ly<kNplane) return (fStatus>>((ly+1)*4))&0xf; |
208 | return kUnknown; | |
eb2b4f91 | 209 | } |
210 | ||
211 | //____________________________________________________ | |
212 | inline Bool_t AliTRDtrackV1::IsTrackError(ETRDtrackError error, UInt_t status) | |
213 | { | |
214 | return (status&0xf)==UChar_t(error); | |
215 | } | |
216 | ||
217 | //____________________________________________________ | |
218 | inline Bool_t AliTRDtrackV1::IsLayerError(ETRDlayerError error, Int_t ly, UInt_t status) | |
219 | { | |
220 | if(ly>=kNplane || ly<0) return kFALSE; | |
221 | return ((status>>((ly+1)*4))&0xf) == UChar_t(error); | |
222 | } | |
181c7f7e | 223 | |
224 | //____________________________________________________ | |
225 | inline void AliTRDtrackV1::SetReconstructor(const AliTRDReconstructor *rec) | |
226 | { | |
227 | for(Int_t ip=0; ip<kNplane; ip++){ | |
228 | if(!fTracklet[ip]) continue; | |
229 | fTracklet[ip]->SetReconstructor(rec); | |
230 | } | |
4d6aee34 | 231 | fkReconstructor = rec; |
181c7f7e | 232 | } |
233 | ||
eb2b4f91 | 234 | //____________________________________________________ |
34b5e42d | 235 | inline void AliTRDtrackV1::SetErrStat(UChar_t status, Int_t ly) |
eb2b4f91 | 236 | { |
237 | if(ly<kNplane) fStatus|=((status&0xf)<<((ly+1)*4)); | |
238 | return; | |
239 | } | |
240 | ||
181c7f7e | 241 | |
3b57a3f7 | 242 | //____________________________________________________________________________ |
243 | inline Float_t AliTRDtrackV1::StatusForTOF() | |
244 | { | |
eb2b4f91 | 245 | // OBSOLETE |
3b57a3f7 | 246 | // Defines the status of the TOF extrapolation |
247 | // | |
248 | ||
249 | if(!fTracklet[5]) return 0.; | |
250 | ||
251 | // Definition of res ???? | |
252 | Float_t res = /*(0.2 + 0.8 * (fN / (fNExpected + 5.0))) **/ (0.4 + 0.6 * fTracklet[5]->GetN() / 20.0); | |
253 | res *= (0.25 + 0.8 * 40.0 / (40.0 + fBudget[2])); | |
254 | return res; | |
255 | } | |
d9950a5a | 256 | |
257 | #endif | |
258 | ||
259 | ||
6e49cfdb | 260 |