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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(); } |
44396017 | 68 | TObjArray* GetTrackHypothesys() {return &fTrackHypothesys;} |
69 | TObjArray* GetBestHypothesys() {return &fBestHypothesys;} | |
70 | TObjArray* GetOriginal() {return &fOriginal;} | |
71 | TTreeSRedirector *GetDebugStreamer() {return fDebugStreamer;} | |
72 | static Int_t CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t); | |
23197852 | 73 | |
e43c066c | 74 | class AliITSdetector { |
75 | public: | |
1c97ce2f | 76 | 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) {} |
77 | 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 | 78 | ~AliITSdetector() {if(fChipIsBad) delete [] fChipIsBad;} |
00a7cc50 | 79 | inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const; |
e43c066c | 80 | Double_t GetR() const {return fR;} |
1c97ce2f | 81 | Double_t GetRmisal() const {return fRmisal;} |
e43c066c | 82 | Double_t GetPhi() const {return fPhi;} |
83 | Double_t GetYmin() const {return fYmin;} | |
84 | Double_t GetYmax() const {return fYmax;} | |
85 | Double_t GetZmin() const {return fZmin;} | |
86 | Double_t GetZmax() const {return fZmax;} | |
23197852 | 87 | Bool_t IsBad() const {return fIsBad;} |
88 | Int_t GetNChips() const {return fNChips;} | |
89 | Bool_t IsChipBad(Int_t iChip) const {return (fChipIsBad ? fChipIsBad[iChip] : kFALSE);} | |
1c97ce2f | 90 | void SetRmisal(Double_t rmisal) {fRmisal = rmisal;} |
e43c066c | 91 | void SetYmin(Double_t min) {fYmin = min;} |
92 | void SetYmax(Double_t max) {fYmax = max;} | |
93 | void SetZmin(Double_t min) {fZmin = min;} | |
94 | void SetZmax(Double_t max) {fZmax = max;} | |
23197852 | 95 | void SetBad() {fIsBad = kTRUE;} |
a70ed6ad | 96 | void ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,const AliITSDetTypeRec *detTypeRec); |
e43c066c | 97 | private: |
23197852 | 98 | AliITSdetector(const AliITSdetector& det); |
99 | AliITSdetector & operator=(const AliITSdetector& det){ | |
100 | this->~AliITSdetector();new(this) AliITSdetector(det); | |
101 | return *this;} | |
1c97ce2f | 102 | Double_t fR; // polar coordinates: r |
103 | Double_t fRmisal; // polar coordinates: r, with misalignment | |
104 | Double_t fPhi; // polar coordinates: phi | |
e43c066c | 105 | Double_t fSinPhi; // sin of phi; |
106 | Double_t fCosPhi; // cos of phi | |
107 | Double_t fYmin; // local y minimal | |
108 | Double_t fYmax; // local max y | |
109 | Double_t fZmin; // local z min | |
110 | Double_t fZmax; // local z max | |
23197852 | 111 | Bool_t fIsBad; // is detector dead or noisy? |
112 | Int_t fNChips; // number of chips | |
113 | Bool_t *fChipIsBad; //[fNChips] is chip dead or noisy? | |
e43c066c | 114 | }; |
115 | ||
116 | class AliITSlayer { | |
e43c066c | 117 | public: |
118 | AliITSlayer(); | |
119 | AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd); | |
23197852 | 120 | ~AliITSlayer(); |
00a7cc50 | 121 | Int_t InsertCluster(AliITSRecPoint *c); |
e43c066c | 122 | void SortClusters(); |
123 | void ResetClusters(); | |
124 | void ResetWeights(); | |
6518a6c5 | 125 | void SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin,Double_t ymax); |
ae00569a | 126 | const AliITSRecPoint *GetNextCluster(Int_t &ci,Bool_t test=kFALSE); |
e43c066c | 127 | void ResetRoad(); |
128 | Double_t GetRoad() const {return fRoad;} | |
129 | Double_t GetR() const {return fR;} | |
130 | Int_t FindClusterIndex(Float_t z) const; | |
00a7cc50 | 131 | AliITSRecPoint *GetCluster(Int_t i) const {return i<fN? fClusters[i]:0;} |
a70ed6ad | 132 | Float_t *GetWeight(Int_t i) {return i<fN ?&fClusterWeight[i]:0;} |
e43c066c | 133 | AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; } |
134 | Int_t FindDetectorIndex(Double_t phi, Double_t z) const; | |
135 | Double_t GetThickness(Double_t y, Double_t z, Double_t &x0) const; | |
136 | Int_t InRoad() const ; | |
137 | Int_t GetNumberOfClusters() const {return fN;} | |
138 | Int_t GetNladders() const {return fNladders;} | |
139 | Int_t GetNdetectors() const {return fNdetectors;} | |
140 | Int_t GetSkip() const {return fSkip;} | |
141 | void SetSkip(Int_t skip){fSkip=skip;} | |
142 | void IncAccepted(){fAccepted++;} | |
81e97e0d | 143 | Int_t GetAccepted() const {return fAccepted;} |
b9671574 | 144 | Int_t GetClusterTracks(Int_t i, Int_t j) const {return fClusterTracks[i][j];} |
145 | void SetClusterTracks(Int_t i, Int_t j, Int_t c) {fClusterTracks[i][j]=c;} | |
e43c066c | 146 | protected: |
8221b41b | 147 | AliITSlayer(const AliITSlayer& layer); |
148 | AliITSlayer & operator=(const AliITSlayer& layer){ | |
149 | this->~AliITSlayer();new(this) AliITSlayer(layer); | |
150 | return *this;} | |
e43c066c | 151 | Double_t fR; // mean radius of this layer |
152 | Double_t fPhiOffset; // offset of the first detector in Phi | |
153 | Int_t fNladders; // number of ladders | |
154 | Double_t fZOffset; // offset of the first detector in Z | |
155 | Int_t fNdetectors; // detectors/ladder | |
156 | AliITSdetector *fDetectors; // array of detectors | |
157 | Int_t fN; // number of clusters | |
e50912db | 158 | AliITSRecPoint *fClusters[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters |
159 | Int_t fClusterIndex[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters | |
160 | Float_t fY[AliITSRecoParam::fgkMaxClusterPerLayer]; // y position of the clusters | |
161 | Float_t fZ[AliITSRecoParam::fgkMaxClusterPerLayer]; // z position of the clusters | |
e43c066c | 162 | Float_t fYB[2]; // ymin and ymax |
163 | // | |
e50912db | 164 | AliITSRecPoint *fClusters5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y |
165 | Int_t fClusterIndex5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y | |
166 | Float_t fY5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // y position of the clusters slice in y | |
167 | Float_t fZ5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // z position of the clusters slice in y | |
e43c066c | 168 | Int_t fN5[6]; // number of cluster in slice |
169 | Float_t fDy5; //delta y | |
170 | Float_t fBy5[6][2]; //slice borders | |
171 | // | |
e50912db | 172 | AliITSRecPoint *fClusters10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y |
173 | Int_t fClusterIndex10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y | |
174 | Float_t fY10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // y position of the clusters slice in y | |
175 | Float_t fZ10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // z position of the clusters slice in y | |
e43c066c | 176 | Int_t fN10[11]; // number of cluster in slice |
f43e383b | 177 | Float_t fDy10; // delta y |
178 | Float_t fBy10[11][2]; // slice borders | |
e43c066c | 179 | // |
e50912db | 180 | AliITSRecPoint *fClusters20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y |
181 | Int_t fClusterIndex20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y | |
182 | Float_t fY20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // y position of the clusters slice in y | |
183 | Float_t fZ20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // z position of the clusters slice in y | |
e43c066c | 184 | Int_t fN20[21]; // number of cluster in slice |
f43e383b | 185 | Float_t fDy20; //delta y |
186 | Float_t fBy20[21][2]; //slice borders | |
e43c066c | 187 | // |
00a7cc50 | 188 | AliITSRecPoint** fClustersCs; //clusters table in current slice |
e43c066c | 189 | Int_t *fClusterIndexCs; //cluster index in current slice |
190 | Float_t *fYcs; //y position in current slice | |
191 | Float_t *fZcs; //z position in current slice | |
192 | Int_t fNcs; //number of clusters in current slice | |
193 | Int_t fCurrentSlice; //current slice | |
194 | // | |
e50912db | 195 | Float_t fClusterWeight[AliITSRecoParam::fgkMaxClusterPerLayer]; // probabilistic weight of the cluster |
196 | Int_t fClusterTracks[4][AliITSRecoParam::fgkMaxClusterPerLayer]; //tracks registered to given cluster | |
e43c066c | 197 | Float_t fZmax; // edges |
198 | Float_t fYmin; // of the | |
199 | Float_t fYmax; // "window" | |
200 | Int_t fI; // index of the current cluster within the "window" | |
201 | Int_t fImax; // index of the last cluster within the "window" | |
202 | Int_t fSkip; // indicates possibility to skip cluster | |
f43e383b | 203 | Int_t fAccepted; // accept indicator |
e43c066c | 204 | Double_t fRoad; // road defined by the cluster density |
205 | }; | |
206 | AliITStrackerMI::AliITSlayer & GetLayer(Int_t layer) const; | |
207 | AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); } | |
44396017 | 208 | Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr |
209 | void SetCurrentEsdTrack(Int_t i) {fCurrentEsdTrack=i;} | |
210 | void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain); | |
e43c066c | 211 | |
212 | protected: | |
1c97ce2f | 213 | Bool_t ComputeRoad(AliITStrackMI* track,Int_t ilayer,Int_t idet,Double_t &zmin,Double_t &zmax,Double_t &ymin,Double_t &ymax) const; |
cd90f0a2 | 214 | |
e43c066c | 215 | void CookLabel(AliKalmanTrack *t,Float_t wrong) const; |
15dd636f | 216 | void CookLabel(AliITStrackMI *t,Float_t wrong) const; |
e50912db | 217 | Double_t GetEffectiveThickness(); |
e43c066c | 218 | void ResetBestTrack() { |
15dd636f | 219 | fBestTrack.~AliITStrackMI(); |
220 | new(&fBestTrack) AliITStrackMI(fTrackToFollow); | |
e43c066c | 221 | } |
15dd636f | 222 | void ResetTrackToFollow(const AliITStrackMI &t) { |
223 | fTrackToFollow.~AliITStrackMI(); | |
224 | new(&fTrackToFollow) AliITStrackMI(t); | |
e43c066c | 225 | } |
15dd636f | 226 | void CookdEdx(AliITStrackMI* track); |
227 | Double_t GetNormalizedChi2(AliITStrackMI * track, Int_t mode); | |
a70ed6ad | 228 | Double_t GetTruncatedChi2(const AliITStrackMI * track, Float_t fac); |
15dd636f | 229 | Double_t NormalizedChi2(AliITStrackMI * track, Int_t layer); |
a70ed6ad | 230 | Double_t GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack); |
231 | Double_t GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2); | |
232 | Double_t GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const; | |
e43c066c | 233 | |
234 | Float_t *GetWeight(Int_t index); | |
15dd636f | 235 | void AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex); |
e43c066c | 236 | void SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode); |
15dd636f | 237 | AliITStrackMI * GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax); |
e43c066c | 238 | void GetBestHypothesysMIP(TObjArray &itsTracks); |
a70ed6ad | 239 | void RegisterClusterTracks(const AliITStrackMI* track, Int_t id); |
240 | void UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id); | |
00a7cc50 | 241 | Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]); |
a70ed6ad | 242 | Int_t GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]); |
15dd636f | 243 | AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1); |
afd25725 | 244 | Float_t * GetErrY(Int_t trackindex) const {return &fCoefficients[trackindex*48];} |
245 | Float_t * GetErrZ(Int_t trackindex) const {return &fCoefficients[trackindex*48+12];} | |
246 | Float_t * GetNy(Int_t trackindex) const {return &fCoefficients[trackindex*48+24];} | |
247 | Float_t * GetNz(Int_t trackindex) const {return &fCoefficients[trackindex*48+36];} | |
a70ed6ad | 248 | void SignDeltas(const TObjArray *clusterArray, Float_t zv); |
afd25725 | 249 | void MakeCoefficients(Int_t ntracks); |
e50912db | 250 | void BuildMaterialLUT(TString material); |
251 | void MakeTrksMaterialLUT(Int_t ntracks); | |
252 | void DeleteTrksMaterialLUT(); | |
253 | Int_t CorrectForPipeMaterial(AliITStrackMI *t, TString direction="inward"); | |
254 | Int_t CorrectForShieldMaterial(AliITStrackMI *t, TString shield, TString direction="inward"); | |
255 | Int_t CorrectForLayerMaterial(AliITStrackMI *t, Int_t layerindex, Double_t oldGlobXYZ[3], TString direction="inward"); | |
15dd636f | 256 | void UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const; |
23197852 | 257 | void ReadBadFromDetTypeRec(); |
a70ed6ad | 258 | Int_t CheckSkipLayer(const AliITStrackMI *track,Int_t ilayer,Int_t idet) const; |
1c97ce2f | 259 | Int_t CheckDeadZone(AliITStrackMI *track,Int_t ilayer,Int_t idet,Double_t dz,Double_t dy,Bool_t noClusters=kFALSE) const; |
a70ed6ad | 260 | Bool_t LocalModuleCoord(Int_t ilayer,Int_t idet,const AliITStrackMI *track, |
ae00569a | 261 | Float_t &xloc,Float_t &zloc) const; |
7167ae53 | 262 | // method to be used for Plane Efficiency evaluation |
a70ed6ad | 263 | Bool_t IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const; // Check if a track is usable |
0ed58a47 | 264 | // for Plane Eff evaluation |
a70ed6ad | 265 | void UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer); // Use this track for Plane Eff |
7167ae53 | 266 | // |
e43c066c | 267 | Int_t fI; // index of the current layer |
e50912db | 268 | static AliITSlayer fgLayers[AliITSgeomTGeo::kNLayers];// ITS layers |
269 | AliITStrackMI fTracks[AliITSgeomTGeo::kNLayers]; // track estimations at the ITS layers | |
15dd636f | 270 | AliITStrackMI fBestTrack; // "best" track |
271 | AliITStrackMI fTrackToFollow; // followed track | |
e43c066c | 272 | TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI |
81e97e0d | 273 | TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI |
628e7bb0 | 274 | TObjArray fOriginal; // ! array with seeds from the TPC |
e43c066c | 275 | Int_t fBestTrackIndex[100000]; // ! index of the best track |
276 | Int_t fCurrentEsdTrack; // ! current esd track - MI | |
277 | Int_t fPass; // current pass through the data | |
278 | Int_t fConstraint[2]; // constraint flags | |
628e7bb0 | 279 | Bool_t fAfterV0; //indicates V0 founded |
e50912db | 280 | Int_t fLayersNotToSkip[AliITSgeomTGeo::kNLayers]; // layer masks |
e43c066c | 281 | Int_t fLastLayerToTrackTo; // the innermost layer to track to |
e50912db | 282 | Float_t * fCoefficients; //! working array with errors and mean cluster shape |
afd25725 | 283 | AliESDEvent * fEsd; //! pointer to the ESD event |
284 | Double_t fSPDdetzcentre[4]; // centres of SPD modules in z | |
e50912db | 285 | TString fTrackingPhase; // current tracking phase |
286 | Int_t fUseTGeo; // use TGeo to get material budget | |
287 | Int_t fNtracks; // number of tracks to prolong | |
288 | Float_t fxOverX0Pipe; // material budget | |
289 | Float_t fxTimesRhoPipe; // material budget | |
290 | Float_t fxOverX0Shield[2]; // material budget | |
291 | Float_t fxTimesRhoShield[2]; // material budget | |
292 | Float_t fxOverX0Layer[6]; // material budget | |
293 | Float_t fxTimesRhoLayer[6]; // material budget | |
294 | Float_t *fxOverX0PipeTrks; //! material budget | |
295 | Float_t *fxTimesRhoPipeTrks; //! material budget | |
296 | Float_t *fxOverX0ShieldTrks; //! material budget | |
297 | Float_t *fxTimesRhoShieldTrks; //! material budget | |
298 | Float_t *fxOverX0LayerTrks; //! material budget | |
299 | Float_t *fxTimesRhoLayerTrks; //! material budget | |
300 | TTreeSRedirector *fDebugStreamer; //!debug streamer | |
23197852 | 301 | AliITSChannelStatus *fITSChannelStatus;//! bitmaps with channel status for SPD and SDD |
a70ed6ad | 302 | const AliITSDetTypeRec *fkDetTypeRec; //! ITS det type rec, from AliITSReconstructor |
ae00569a | 303 | AliITSPlaneEff *fPlaneEff; //! Pointer to the ITS plane efficicency |
bf6adc12 | 304 | private: |
8221b41b | 305 | AliITStrackerMI(const AliITStrackerMI &tracker); |
306 | AliITStrackerMI & operator=(const AliITStrackerMI &tracker); | |
a70ed6ad | 307 | ClassDef(AliITStrackerMI,7) //ITS tracker MI |
e43c066c | 308 | }; |
309 | ||
310 | ||
311 | ||
312 | ||
313 | ///////////////////////////////////////////////////////// | |
314 | ///////////////////////////////////////////////////////// | |
315 | ///////////////////////////////////////////////////////// | |
316 | ||
317 | ||
318 | ||
319 | ||
320 | ||
a70ed6ad | 321 | inline void AliITStrackerMI::SetupFirstPass(const Int_t *flags,const Double_t *cuts) { |
e43c066c | 322 | // This function sets up flags and cuts for the first tracking pass |
323 | // | |
324 | // flags[0] - vertex constaint flag | |
325 | // negative means "skip the pass" | |
326 | // 0 means "no constraint" | |
327 | // positive means "normal constraint" | |
328 | ||
329 | fConstraint[0]=flags[0]; | |
330 | if (cuts==0) return; | |
331 | } | |
332 | ||
a70ed6ad | 333 | inline void AliITStrackerMI::SetupSecondPass(const Int_t *flags,const Double_t *cuts) { |
e43c066c | 334 | // This function sets up flags and cuts for the second tracking pass |
335 | // | |
336 | // flags[0] - vertex constaint flag | |
337 | // negative means "skip the pass" | |
338 | // 0 means "no constraint" | |
339 | // positive means "normal constraint" | |
340 | ||
341 | fConstraint[1]=flags[0]; | |
342 | if (cuts==0) return; | |
343 | } | |
344 | ||
345 | inline void AliITStrackerMI::CookLabel(AliKalmanTrack *t,Float_t wrong) const { | |
346 | //-------------------------------------------------------------------- | |
347 | //This function "cooks" a track label. If label<0, this track is fake. | |
348 | //-------------------------------------------------------------------- | |
349 | Int_t tpcLabel=t->GetLabel(); | |
350 | if (tpcLabel<0) return; | |
351 | AliTracker::CookLabel(t,wrong); | |
352 | if (tpcLabel!=TMath::Abs(t->GetLabel())){ | |
353 | t->SetFakeRatio(1.); | |
354 | } | |
355 | if (tpcLabel !=t->GetLabel()) { | |
356 | t->SetLabel(-tpcLabel); | |
357 | } | |
358 | } | |
359 | ||
15dd636f | 360 | inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackMI * track, Int_t layer) |
e43c066c | 361 | { |
362 | //-------------------------------------------------------------------- | |
363 | //get normalize chi2 | |
364 | //-------------------------------------------------------------------- | |
b9671574 | 365 | track->SetNormChi2(layer,2.*track->GetNSkipped()+0.25*track->GetNDeadZone()+track->GetdEdxMismatch()+track->GetChi2()/ |
e43c066c | 366 | //track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->fChi22/ |
b9671574 | 367 | TMath::Max(double(track->GetNumberOfClusters()-track->GetNSkipped()), |
368 | 1./(1.+track->GetNSkipped()))); | |
369 | return track->GetNormChi2(layer); | |
e43c066c | 370 | } |
00a7cc50 | 371 | inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const |
e43c066c | 372 | { |
373 | // | |
374 | // get cluster coordinates in global cooordinate | |
375 | // | |
376 | xyz[2] = cl->GetZ(); | |
377 | xyz[0] = fR*fCosPhi - cl->GetY()*fSinPhi; | |
378 | xyz[1] = fR*fSinPhi + cl->GetY()*fCosPhi; | |
379 | } | |
380 | #endif |