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e43c066c | 1 | #ifndef ALIITSTRACKERMI_H |
2 | #define ALIITSTRACKERMI_H | |
572f41f9 | 3 | /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. * |
e43c066c | 4 | * See cxx source for full Copyright notice */ |
5 | ||
572f41f9 | 6 | /* $Id$ */ |
bf6adc12 | 7 | |
e43c066c | 8 | //------------------------------------------------------------------------- |
9 | // ITS tracker | |
15dd636f | 10 | // reads AliITSclusterMI clusters and creates AliITStrackMI tracks |
11 | // Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch | |
23197852 | 12 | // Current support and development: |
13 | // Andrea Dainese, andrea.dainese@lnl.infn.it | |
e43c066c | 14 | //------------------------------------------------------------------------- |
15 | ||
bf6adc12 | 16 | class TTree; |
17 | class TTreeSRedirector; | |
af885e0f | 18 | class AliESDEvent; |
67c1e979 | 19 | |
a70ed6ad | 20 | class AliITSPlaneEff; |
21 | class AliITSChannelStatus; | |
22 | class AliITSDetTypeRec; | |
23 | class AliPlaneEff; | |
24 | ||
00a7cc50 | 25 | #include <TObjArray.h> |
a70ed6ad | 26 | |
bf6adc12 | 27 | #include "AliITStrackMI.h" |
a70ed6ad | 28 | #include "AliITSRecPoint.h" |
ae00569a | 29 | #include "AliTracker.h" |
e43c066c | 30 | |
a70ed6ad | 31 | |
e43c066c | 32 | //------------------------------------------------------------------------- |
33 | class AliITStrackerMI : public AliTracker { | |
34 | public: | |
8221b41b | 35 | AliITStrackerMI(); |
1f3e997f | 36 | AliITStrackerMI(const Char_t *geom); |
8221b41b | 37 | virtual ~AliITStrackerMI(); |
e43c066c | 38 | AliCluster *GetCluster(Int_t index) const; |
df29e9a4 | 39 | virtual Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const; |
9a5326b1 | 40 | virtual Bool_t GetTrackPointTrackingError(Int_t index, |
41 | AliTrackPoint& p, const AliESDtrack *t); | |
00a7cc50 | 42 | AliITSRecPoint *GetClusterLayer(Int_t layn, Int_t ncl) const |
e43c066c | 43 | {return fgLayers[layn].GetCluster(ncl);} |
44 | Int_t GetNumberOfClustersLayer(Int_t layn) const | |
45 | {return fgLayers[layn].GetNumberOfClusters();} | |
46 | Int_t LoadClusters(TTree *cf); | |
47 | void UnloadClusters(); | |
23197852 | 48 | void FillClusterArray(TObjArray* array) const; |
af885e0f | 49 | Int_t Clusters2Tracks(AliESDEvent *event); |
50 | Int_t PropagateBack(AliESDEvent *event); | |
51 | Int_t RefitInward(AliESDEvent *event); | |
ae00569a | 52 | Bool_t RefitAt(Double_t x, AliITStrackMI *track, |
7167ae53 | 53 | const AliITStrackMI *clusters, Bool_t extra=kFALSE, Bool_t planeeff=kFALSE); |
ae00569a | 54 | Bool_t RefitAt(Double_t x, AliITStrackMI *track, |
7167ae53 | 55 | const Int_t *clusters, Bool_t extra=kFALSE, Bool_t planeeff=kFALSE); |
a70ed6ad | 56 | void SetupFirstPass(const Int_t *flags,const Double_t *cuts=0); |
57 | void SetupSecondPass(const Int_t *flags,const Double_t *cuts=0); | |
e43c066c | 58 | |
59 | void SetLastLayerToTrackTo(Int_t l=0) {fLastLayerToTrackTo=l;} | |
a70ed6ad | 60 | void SetLayersNotToSkip(const Int_t *l); |
e43c066c | 61 | void UseClusters(const AliKalmanTrack *t, Int_t from=0) const; |
628e7bb0 | 62 | |
a70ed6ad | 63 | void GetDCASigma(const AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz); |
00a7cc50 | 64 | Double_t GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer); |
65 | Int_t UpdateMI(AliITStrackMI* track, const AliITSRecPoint* cl,Double_t chi2,Int_t layer) const; | |
7167ae53 | 66 | AliPlaneEff *GetPlaneEff() {return (AliPlaneEff*)fPlaneEff;} // return the pointer to AliPlaneEff |
a70ed6ad | 67 | void SetDetTypeRec(const AliITSDetTypeRec *detTypeRec) {fkDetTypeRec = detTypeRec; ReadBadFromDetTypeRec(); } |
23197852 | 68 | |
e43c066c | 69 | class AliITSdetector { |
70 | public: | |
1c97ce2f | 71 | AliITSdetector():fR(0),fRmisal(0),fPhi(0),fSinPhi(0),fCosPhi(0),fYmin(0),fYmax(0),fZmin(0),fZmax(0),fIsBad(kFALSE),fNChips(0),fChipIsBad(0) {} |
72 | AliITSdetector(Double_t r,Double_t phi):fR(r),fRmisal(r),fPhi(phi),fSinPhi(TMath::Sin(phi)),fCosPhi(TMath::Cos(phi)),fYmin(10000),fYmax(-1000),fZmin(10000),fZmax(-1000),fIsBad(kFALSE),fNChips(0),fChipIsBad(0) {} | |
23197852 | 73 | ~AliITSdetector() {if(fChipIsBad) delete [] fChipIsBad;} |
00a7cc50 | 74 | inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const; |
e43c066c | 75 | Double_t GetR() const {return fR;} |
1c97ce2f | 76 | Double_t GetRmisal() const {return fRmisal;} |
e43c066c | 77 | Double_t GetPhi() const {return fPhi;} |
78 | Double_t GetYmin() const {return fYmin;} | |
79 | Double_t GetYmax() const {return fYmax;} | |
80 | Double_t GetZmin() const {return fZmin;} | |
81 | Double_t GetZmax() const {return fZmax;} | |
23197852 | 82 | Bool_t IsBad() const {return fIsBad;} |
83 | Int_t GetNChips() const {return fNChips;} | |
84 | Bool_t IsChipBad(Int_t iChip) const {return (fChipIsBad ? fChipIsBad[iChip] : kFALSE);} | |
1c97ce2f | 85 | void SetRmisal(Double_t rmisal) {fRmisal = rmisal;} |
e43c066c | 86 | void SetYmin(Double_t min) {fYmin = min;} |
87 | void SetYmax(Double_t max) {fYmax = max;} | |
88 | void SetZmin(Double_t min) {fZmin = min;} | |
89 | void SetZmax(Double_t max) {fZmax = max;} | |
23197852 | 90 | void SetBad() {fIsBad = kTRUE;} |
a70ed6ad | 91 | void ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,const AliITSDetTypeRec *detTypeRec); |
e43c066c | 92 | private: |
23197852 | 93 | AliITSdetector(const AliITSdetector& det); |
94 | AliITSdetector & operator=(const AliITSdetector& det){ | |
95 | this->~AliITSdetector();new(this) AliITSdetector(det); | |
96 | return *this;} | |
1c97ce2f | 97 | Double_t fR; // polar coordinates: r |
98 | Double_t fRmisal; // polar coordinates: r, with misalignment | |
99 | Double_t fPhi; // polar coordinates: phi | |
e43c066c | 100 | Double_t fSinPhi; // sin of phi; |
101 | Double_t fCosPhi; // cos of phi | |
102 | Double_t fYmin; // local y minimal | |
103 | Double_t fYmax; // local max y | |
104 | Double_t fZmin; // local z min | |
105 | Double_t fZmax; // local z max | |
23197852 | 106 | Bool_t fIsBad; // is detector dead or noisy? |
107 | Int_t fNChips; // number of chips | |
108 | Bool_t *fChipIsBad; //[fNChips] is chip dead or noisy? | |
e43c066c | 109 | }; |
110 | ||
111 | class AliITSlayer { | |
e43c066c | 112 | public: |
113 | AliITSlayer(); | |
114 | AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd); | |
23197852 | 115 | ~AliITSlayer(); |
00a7cc50 | 116 | Int_t InsertCluster(AliITSRecPoint *c); |
e43c066c | 117 | void SortClusters(); |
118 | void ResetClusters(); | |
119 | void ResetWeights(); | |
6518a6c5 | 120 | void SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin,Double_t ymax); |
ae00569a | 121 | const AliITSRecPoint *GetNextCluster(Int_t &ci,Bool_t test=kFALSE); |
e43c066c | 122 | void ResetRoad(); |
123 | Double_t GetRoad() const {return fRoad;} | |
124 | Double_t GetR() const {return fR;} | |
125 | Int_t FindClusterIndex(Float_t z) const; | |
00a7cc50 | 126 | AliITSRecPoint *GetCluster(Int_t i) const {return i<fN? fClusters[i]:0;} |
a70ed6ad | 127 | Float_t *GetWeight(Int_t i) {return i<fN ?&fClusterWeight[i]:0;} |
e43c066c | 128 | AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; } |
129 | Int_t FindDetectorIndex(Double_t phi, Double_t z) const; | |
130 | Double_t GetThickness(Double_t y, Double_t z, Double_t &x0) const; | |
131 | Int_t InRoad() const ; | |
132 | Int_t GetNumberOfClusters() const {return fN;} | |
133 | Int_t GetNladders() const {return fNladders;} | |
134 | Int_t GetNdetectors() const {return fNdetectors;} | |
135 | Int_t GetSkip() const {return fSkip;} | |
136 | void SetSkip(Int_t skip){fSkip=skip;} | |
137 | void IncAccepted(){fAccepted++;} | |
81e97e0d | 138 | Int_t GetAccepted() const {return fAccepted;} |
b9671574 | 139 | Int_t GetClusterTracks(Int_t i, Int_t j) const {return fClusterTracks[i][j];} |
140 | void SetClusterTracks(Int_t i, Int_t j, Int_t c) {fClusterTracks[i][j]=c;} | |
e43c066c | 141 | protected: |
8221b41b | 142 | AliITSlayer(const AliITSlayer& layer); |
143 | AliITSlayer & operator=(const AliITSlayer& layer){ | |
144 | this->~AliITSlayer();new(this) AliITSlayer(layer); | |
145 | return *this;} | |
e43c066c | 146 | Double_t fR; // mean radius of this layer |
147 | Double_t fPhiOffset; // offset of the first detector in Phi | |
148 | Int_t fNladders; // number of ladders | |
149 | Double_t fZOffset; // offset of the first detector in Z | |
150 | Int_t fNdetectors; // detectors/ladder | |
151 | AliITSdetector *fDetectors; // array of detectors | |
152 | Int_t fN; // number of clusters | |
e50912db | 153 | AliITSRecPoint *fClusters[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters |
154 | Int_t fClusterIndex[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters | |
155 | Float_t fY[AliITSRecoParam::fgkMaxClusterPerLayer]; // y position of the clusters | |
156 | Float_t fZ[AliITSRecoParam::fgkMaxClusterPerLayer]; // z position of the clusters | |
e43c066c | 157 | Float_t fYB[2]; // ymin and ymax |
158 | // | |
e50912db | 159 | AliITSRecPoint *fClusters5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y |
160 | Int_t fClusterIndex5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y | |
161 | Float_t fY5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // y position of the clusters slice in y | |
162 | Float_t fZ5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // z position of the clusters slice in y | |
e43c066c | 163 | Int_t fN5[6]; // number of cluster in slice |
164 | Float_t fDy5; //delta y | |
165 | Float_t fBy5[6][2]; //slice borders | |
166 | // | |
e50912db | 167 | AliITSRecPoint *fClusters10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y |
168 | Int_t fClusterIndex10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y | |
169 | Float_t fY10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // y position of the clusters slice in y | |
170 | Float_t fZ10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // z position of the clusters slice in y | |
e43c066c | 171 | Int_t fN10[11]; // number of cluster in slice |
f43e383b | 172 | Float_t fDy10; // delta y |
173 | Float_t fBy10[11][2]; // slice borders | |
e43c066c | 174 | // |
e50912db | 175 | AliITSRecPoint *fClusters20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y |
176 | Int_t fClusterIndex20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y | |
177 | Float_t fY20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // y position of the clusters slice in y | |
178 | Float_t fZ20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // z position of the clusters slice in y | |
e43c066c | 179 | Int_t fN20[21]; // number of cluster in slice |
f43e383b | 180 | Float_t fDy20; //delta y |
181 | Float_t fBy20[21][2]; //slice borders | |
e43c066c | 182 | // |
00a7cc50 | 183 | AliITSRecPoint** fClustersCs; //clusters table in current slice |
e43c066c | 184 | Int_t *fClusterIndexCs; //cluster index in current slice |
185 | Float_t *fYcs; //y position in current slice | |
186 | Float_t *fZcs; //z position in current slice | |
187 | Int_t fNcs; //number of clusters in current slice | |
188 | Int_t fCurrentSlice; //current slice | |
189 | // | |
e50912db | 190 | Float_t fClusterWeight[AliITSRecoParam::fgkMaxClusterPerLayer]; // probabilistic weight of the cluster |
191 | Int_t fClusterTracks[4][AliITSRecoParam::fgkMaxClusterPerLayer]; //tracks registered to given cluster | |
e43c066c | 192 | Float_t fZmax; // edges |
193 | Float_t fYmin; // of the | |
194 | Float_t fYmax; // "window" | |
195 | Int_t fI; // index of the current cluster within the "window" | |
196 | Int_t fImax; // index of the last cluster within the "window" | |
197 | Int_t fSkip; // indicates possibility to skip cluster | |
f43e383b | 198 | Int_t fAccepted; // accept indicator |
e43c066c | 199 | Double_t fRoad; // road defined by the cluster density |
200 | }; | |
201 | AliITStrackerMI::AliITSlayer & GetLayer(Int_t layer) const; | |
202 | AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); } | |
203 | ||
204 | protected: | |
1c97ce2f | 205 | Bool_t ComputeRoad(AliITStrackMI* track,Int_t ilayer,Int_t idet,Double_t &zmin,Double_t &zmax,Double_t &ymin,Double_t &ymax) const; |
81e97e0d | 206 | Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr |
af885e0f | 207 | void FindV02(AliESDEvent *event); //try to find V0 |
a70ed6ad | 208 | void RefitV02(const AliESDEvent *event); //try to refit V0's |
209 | void UpdateTPCV0(const AliESDEvent *event); //try to update, or reject TPC V0s | |
e43c066c | 210 | void CookLabel(AliKalmanTrack *t,Float_t wrong) const; |
15dd636f | 211 | void CookLabel(AliITStrackMI *t,Float_t wrong) const; |
e50912db | 212 | Double_t GetEffectiveThickness(); |
81e97e0d | 213 | void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain); |
e43c066c | 214 | void ResetBestTrack() { |
15dd636f | 215 | fBestTrack.~AliITStrackMI(); |
216 | new(&fBestTrack) AliITStrackMI(fTrackToFollow); | |
e43c066c | 217 | } |
15dd636f | 218 | void ResetTrackToFollow(const AliITStrackMI &t) { |
219 | fTrackToFollow.~AliITStrackMI(); | |
220 | new(&fTrackToFollow) AliITStrackMI(t); | |
e43c066c | 221 | } |
15dd636f | 222 | void CookdEdx(AliITStrackMI* track); |
223 | Double_t GetNormalizedChi2(AliITStrackMI * track, Int_t mode); | |
a70ed6ad | 224 | Double_t GetTruncatedChi2(const AliITStrackMI * track, Float_t fac); |
15dd636f | 225 | Double_t NormalizedChi2(AliITStrackMI * track, Int_t layer); |
a70ed6ad | 226 | Double_t GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack); |
227 | Double_t GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2); | |
228 | Double_t GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const; | |
e43c066c | 229 | |
230 | Float_t *GetWeight(Int_t index); | |
15dd636f | 231 | void AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex); |
e43c066c | 232 | void SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode); |
15dd636f | 233 | AliITStrackMI * GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax); |
e43c066c | 234 | void GetBestHypothesysMIP(TObjArray &itsTracks); |
a70ed6ad | 235 | void RegisterClusterTracks(const AliITStrackMI* track, Int_t id); |
236 | void UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id); | |
00a7cc50 | 237 | Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]); |
a70ed6ad | 238 | Int_t GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]); |
15dd636f | 239 | AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1); |
afd25725 | 240 | Float_t * GetErrY(Int_t trackindex) const {return &fCoefficients[trackindex*48];} |
241 | Float_t * GetErrZ(Int_t trackindex) const {return &fCoefficients[trackindex*48+12];} | |
242 | Float_t * GetNy(Int_t trackindex) const {return &fCoefficients[trackindex*48+24];} | |
243 | Float_t * GetNz(Int_t trackindex) const {return &fCoefficients[trackindex*48+36];} | |
a70ed6ad | 244 | void SignDeltas(const TObjArray *clusterArray, Float_t zv); |
afd25725 | 245 | void MakeCoefficients(Int_t ntracks); |
e50912db | 246 | void BuildMaterialLUT(TString material); |
247 | void MakeTrksMaterialLUT(Int_t ntracks); | |
248 | void DeleteTrksMaterialLUT(); | |
249 | Int_t CorrectForPipeMaterial(AliITStrackMI *t, TString direction="inward"); | |
250 | Int_t CorrectForShieldMaterial(AliITStrackMI *t, TString shield, TString direction="inward"); | |
251 | Int_t CorrectForLayerMaterial(AliITStrackMI *t, Int_t layerindex, Double_t oldGlobXYZ[3], TString direction="inward"); | |
15dd636f | 252 | void UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const; |
23197852 | 253 | void ReadBadFromDetTypeRec(); |
a70ed6ad | 254 | Int_t CheckSkipLayer(const AliITStrackMI *track,Int_t ilayer,Int_t idet) const; |
1c97ce2f | 255 | Int_t CheckDeadZone(AliITStrackMI *track,Int_t ilayer,Int_t idet,Double_t dz,Double_t dy,Bool_t noClusters=kFALSE) const; |
a70ed6ad | 256 | Bool_t LocalModuleCoord(Int_t ilayer,Int_t idet,const AliITStrackMI *track, |
ae00569a | 257 | Float_t &xloc,Float_t &zloc) const; |
7167ae53 | 258 | // method to be used for Plane Efficiency evaluation |
a70ed6ad | 259 | Bool_t IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const; // Check if a track is usable |
0ed58a47 | 260 | // for Plane Eff evaluation |
a70ed6ad | 261 | void UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer); // Use this track for Plane Eff |
7167ae53 | 262 | // |
e43c066c | 263 | Int_t fI; // index of the current layer |
e50912db | 264 | static AliITSlayer fgLayers[AliITSgeomTGeo::kNLayers];// ITS layers |
265 | AliITStrackMI fTracks[AliITSgeomTGeo::kNLayers]; // track estimations at the ITS layers | |
15dd636f | 266 | AliITStrackMI fBestTrack; // "best" track |
267 | AliITStrackMI fTrackToFollow; // followed track | |
e43c066c | 268 | TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI |
81e97e0d | 269 | TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI |
628e7bb0 | 270 | TObjArray fOriginal; // ! array with seeds from the TPC |
e43c066c | 271 | Int_t fBestTrackIndex[100000]; // ! index of the best track |
272 | Int_t fCurrentEsdTrack; // ! current esd track - MI | |
273 | Int_t fPass; // current pass through the data | |
274 | Int_t fConstraint[2]; // constraint flags | |
628e7bb0 | 275 | Bool_t fAfterV0; //indicates V0 founded |
e50912db | 276 | Int_t fLayersNotToSkip[AliITSgeomTGeo::kNLayers]; // layer masks |
e43c066c | 277 | Int_t fLastLayerToTrackTo; // the innermost layer to track to |
e50912db | 278 | Float_t * fCoefficients; //! working array with errors and mean cluster shape |
afd25725 | 279 | AliESDEvent * fEsd; //! pointer to the ESD event |
280 | Double_t fSPDdetzcentre[4]; // centres of SPD modules in z | |
e50912db | 281 | TString fTrackingPhase; // current tracking phase |
282 | Int_t fUseTGeo; // use TGeo to get material budget | |
283 | Int_t fNtracks; // number of tracks to prolong | |
284 | Float_t fxOverX0Pipe; // material budget | |
285 | Float_t fxTimesRhoPipe; // material budget | |
286 | Float_t fxOverX0Shield[2]; // material budget | |
287 | Float_t fxTimesRhoShield[2]; // material budget | |
288 | Float_t fxOverX0Layer[6]; // material budget | |
289 | Float_t fxTimesRhoLayer[6]; // material budget | |
290 | Float_t *fxOverX0PipeTrks; //! material budget | |
291 | Float_t *fxTimesRhoPipeTrks; //! material budget | |
292 | Float_t *fxOverX0ShieldTrks; //! material budget | |
293 | Float_t *fxTimesRhoShieldTrks; //! material budget | |
294 | Float_t *fxOverX0LayerTrks; //! material budget | |
295 | Float_t *fxTimesRhoLayerTrks; //! material budget | |
296 | TTreeSRedirector *fDebugStreamer; //!debug streamer | |
23197852 | 297 | AliITSChannelStatus *fITSChannelStatus;//! bitmaps with channel status for SPD and SDD |
a70ed6ad | 298 | const AliITSDetTypeRec *fkDetTypeRec; //! ITS det type rec, from AliITSReconstructor |
ae00569a | 299 | AliITSPlaneEff *fPlaneEff; //! Pointer to the ITS plane efficicency |
bf6adc12 | 300 | private: |
8221b41b | 301 | AliITStrackerMI(const AliITStrackerMI &tracker); |
302 | AliITStrackerMI & operator=(const AliITStrackerMI &tracker); | |
a70ed6ad | 303 | ClassDef(AliITStrackerMI,7) //ITS tracker MI |
e43c066c | 304 | }; |
305 | ||
306 | ||
307 | ||
308 | ||
309 | ///////////////////////////////////////////////////////// | |
310 | ///////////////////////////////////////////////////////// | |
311 | ///////////////////////////////////////////////////////// | |
312 | ||
313 | ||
314 | ||
315 | ||
316 | ||
a70ed6ad | 317 | inline void AliITStrackerMI::SetupFirstPass(const Int_t *flags,const Double_t *cuts) { |
e43c066c | 318 | // This function sets up flags and cuts for the first tracking pass |
319 | // | |
320 | // flags[0] - vertex constaint flag | |
321 | // negative means "skip the pass" | |
322 | // 0 means "no constraint" | |
323 | // positive means "normal constraint" | |
324 | ||
325 | fConstraint[0]=flags[0]; | |
326 | if (cuts==0) return; | |
327 | } | |
328 | ||
a70ed6ad | 329 | inline void AliITStrackerMI::SetupSecondPass(const Int_t *flags,const Double_t *cuts) { |
e43c066c | 330 | // This function sets up flags and cuts for the second tracking pass |
331 | // | |
332 | // flags[0] - vertex constaint flag | |
333 | // negative means "skip the pass" | |
334 | // 0 means "no constraint" | |
335 | // positive means "normal constraint" | |
336 | ||
337 | fConstraint[1]=flags[0]; | |
338 | if (cuts==0) return; | |
339 | } | |
340 | ||
341 | inline void AliITStrackerMI::CookLabel(AliKalmanTrack *t,Float_t wrong) const { | |
342 | //-------------------------------------------------------------------- | |
343 | //This function "cooks" a track label. If label<0, this track is fake. | |
344 | //-------------------------------------------------------------------- | |
345 | Int_t tpcLabel=t->GetLabel(); | |
346 | if (tpcLabel<0) return; | |
347 | AliTracker::CookLabel(t,wrong); | |
348 | if (tpcLabel!=TMath::Abs(t->GetLabel())){ | |
349 | t->SetFakeRatio(1.); | |
350 | } | |
351 | if (tpcLabel !=t->GetLabel()) { | |
352 | t->SetLabel(-tpcLabel); | |
353 | } | |
354 | } | |
355 | ||
15dd636f | 356 | inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackMI * track, Int_t layer) |
e43c066c | 357 | { |
358 | //-------------------------------------------------------------------- | |
359 | //get normalize chi2 | |
360 | //-------------------------------------------------------------------- | |
b9671574 | 361 | track->SetNormChi2(layer,2.*track->GetNSkipped()+0.25*track->GetNDeadZone()+track->GetdEdxMismatch()+track->GetChi2()/ |
e43c066c | 362 | //track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->fChi22/ |
b9671574 | 363 | TMath::Max(double(track->GetNumberOfClusters()-track->GetNSkipped()), |
364 | 1./(1.+track->GetNSkipped()))); | |
365 | return track->GetNormChi2(layer); | |
e43c066c | 366 | } |
00a7cc50 | 367 | inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const |
e43c066c | 368 | { |
369 | // | |
370 | // get cluster coordinates in global cooordinate | |
371 | // | |
372 | xyz[2] = cl->GetZ(); | |
373 | xyz[0] = fR*fCosPhi - cl->GetY()*fSinPhi; | |
374 | xyz[1] = fR*fSinPhi + cl->GetY()*fCosPhi; | |
375 | } | |
376 | #endif |