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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 16class TTree;
17class TTreeSRedirector;
af885e0f 18class AliESDEvent;
67c1e979 19
a70ed6ad 20class AliITSPlaneEff;
21class AliITSChannelStatus;
22class AliITSDetTypeRec;
23class 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//-------------------------------------------------------------------------
33class AliITStrackerMI : public AliTracker {
34public:
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
204protected:
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 300private:
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 317inline 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 329inline 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
341inline 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 356inline 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 367inline 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