Changing once more (hopefully we get it correct this time...) the logic to trig the...
[u/mrichter/AliRoot.git] / ITS / AliITStrackerMI.h
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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;}
e43c066c 60 void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
628e7bb0 61
a70ed6ad 62 void GetDCASigma(const AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz);
00a7cc50 63 Double_t GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer);
64 Int_t UpdateMI(AliITStrackMI* track, const AliITSRecPoint* cl,Double_t chi2,Int_t layer) const;
7167ae53 65 AliPlaneEff *GetPlaneEff() {return (AliPlaneEff*)fPlaneEff;} // return the pointer to AliPlaneEff
a70ed6ad 66 void SetDetTypeRec(const AliITSDetTypeRec *detTypeRec) {fkDetTypeRec = detTypeRec; ReadBadFromDetTypeRec(); }
44396017 67 TObjArray* GetTrackHypothesys() {return &fTrackHypothesys;}
68 TObjArray* GetBestHypothesys() {return &fBestHypothesys;}
69 TObjArray* GetOriginal() {return &fOriginal;}
70 TTreeSRedirector *GetDebugStreamer() {return fDebugStreamer;}
71 static Int_t CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t);
4fa7f7d1 72 void SetForceSkippingOfLayer();
73 Int_t ForceSkippingOfLayer(Int_t l) const { return fForceSkippingOfLayer[l]; }
23197852 74
e43c066c 75 class AliITSdetector {
76 public:
1c97ce2f 77 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) {}
78 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 79 ~AliITSdetector() {if(fChipIsBad) delete [] fChipIsBad;}
00a7cc50 80 inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const;
e43c066c 81 Double_t GetR() const {return fR;}
1c97ce2f 82 Double_t GetRmisal() const {return fRmisal;}
e43c066c 83 Double_t GetPhi() const {return fPhi;}
84 Double_t GetYmin() const {return fYmin;}
85 Double_t GetYmax() const {return fYmax;}
86 Double_t GetZmin() const {return fZmin;}
87 Double_t GetZmax() const {return fZmax;}
23197852 88 Bool_t IsBad() const {return fIsBad;}
89 Int_t GetNChips() const {return fNChips;}
90 Bool_t IsChipBad(Int_t iChip) const {return (fChipIsBad ? fChipIsBad[iChip] : kFALSE);}
1c97ce2f 91 void SetRmisal(Double_t rmisal) {fRmisal = rmisal;}
e43c066c 92 void SetYmin(Double_t min) {fYmin = min;}
93 void SetYmax(Double_t max) {fYmax = max;}
94 void SetZmin(Double_t min) {fZmin = min;}
95 void SetZmax(Double_t max) {fZmax = max;}
23197852 96 void SetBad() {fIsBad = kTRUE;}
a70ed6ad 97 void ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,const AliITSDetTypeRec *detTypeRec);
e43c066c 98 private:
23197852 99 AliITSdetector(const AliITSdetector& det);
100 AliITSdetector & operator=(const AliITSdetector& det){
101 this->~AliITSdetector();new(this) AliITSdetector(det);
102 return *this;}
1c97ce2f 103 Double_t fR; // polar coordinates: r
104 Double_t fRmisal; // polar coordinates: r, with misalignment
105 Double_t fPhi; // polar coordinates: phi
e43c066c 106 Double_t fSinPhi; // sin of phi;
107 Double_t fCosPhi; // cos of phi
108 Double_t fYmin; // local y minimal
109 Double_t fYmax; // local max y
110 Double_t fZmin; // local z min
111 Double_t fZmax; // local z max
23197852 112 Bool_t fIsBad; // is detector dead or noisy?
113 Int_t fNChips; // number of chips
114 Bool_t *fChipIsBad; //[fNChips] is chip dead or noisy?
e43c066c 115 };
116
117 class AliITSlayer {
e43c066c 118 public:
119 AliITSlayer();
120 AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd);
23197852 121 ~AliITSlayer();
00a7cc50 122 Int_t InsertCluster(AliITSRecPoint *c);
e43c066c 123 void SortClusters();
124 void ResetClusters();
125 void ResetWeights();
6518a6c5 126 void SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin,Double_t ymax);
ae00569a 127 const AliITSRecPoint *GetNextCluster(Int_t &ci,Bool_t test=kFALSE);
e43c066c 128 void ResetRoad();
129 Double_t GetRoad() const {return fRoad;}
130 Double_t GetR() const {return fR;}
131 Int_t FindClusterIndex(Float_t z) const;
00a7cc50 132 AliITSRecPoint *GetCluster(Int_t i) const {return i<fN? fClusters[i]:0;}
a70ed6ad 133 Float_t *GetWeight(Int_t i) {return i<fN ?&fClusterWeight[i]:0;}
e43c066c 134 AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; }
135 Int_t FindDetectorIndex(Double_t phi, Double_t z) const;
136 Double_t GetThickness(Double_t y, Double_t z, Double_t &x0) const;
137 Int_t InRoad() const ;
138 Int_t GetNumberOfClusters() const {return fN;}
139 Int_t GetNladders() const {return fNladders;}
140 Int_t GetNdetectors() const {return fNdetectors;}
141 Int_t GetSkip() const {return fSkip;}
142 void SetSkip(Int_t skip){fSkip=skip;}
143 void IncAccepted(){fAccepted++;}
81e97e0d 144 Int_t GetAccepted() const {return fAccepted;}
b9671574 145 Int_t GetClusterTracks(Int_t i, Int_t j) const {return fClusterTracks[i][j];}
146 void SetClusterTracks(Int_t i, Int_t j, Int_t c) {fClusterTracks[i][j]=c;}
e43c066c 147 protected:
8221b41b 148 AliITSlayer(const AliITSlayer& layer);
149 AliITSlayer & operator=(const AliITSlayer& layer){
150 this->~AliITSlayer();new(this) AliITSlayer(layer);
151 return *this;}
e43c066c 152 Double_t fR; // mean radius of this layer
153 Double_t fPhiOffset; // offset of the first detector in Phi
154 Int_t fNladders; // number of ladders
155 Double_t fZOffset; // offset of the first detector in Z
156 Int_t fNdetectors; // detectors/ladder
157 AliITSdetector *fDetectors; // array of detectors
158 Int_t fN; // number of clusters
e50912db 159 AliITSRecPoint *fClusters[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters
160 Int_t fClusterIndex[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters
161 Float_t fY[AliITSRecoParam::fgkMaxClusterPerLayer]; // y position of the clusters
162 Float_t fZ[AliITSRecoParam::fgkMaxClusterPerLayer]; // z position of the clusters
e43c066c 163 Float_t fYB[2]; // ymin and ymax
164 //
e50912db 165 AliITSRecPoint *fClusters5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y
166 Int_t fClusterIndex5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y
167 Float_t fY5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // y position of the clusters slice in y
168 Float_t fZ5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // z position of the clusters slice in y
e43c066c 169 Int_t fN5[6]; // number of cluster in slice
170 Float_t fDy5; //delta y
171 Float_t fBy5[6][2]; //slice borders
172 //
e50912db 173 AliITSRecPoint *fClusters10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y
174 Int_t fClusterIndex10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y
175 Float_t fY10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // y position of the clusters slice in y
176 Float_t fZ10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // z position of the clusters slice in y
e43c066c 177 Int_t fN10[11]; // number of cluster in slice
f43e383b 178 Float_t fDy10; // delta y
179 Float_t fBy10[11][2]; // slice borders
e43c066c 180 //
e50912db 181 AliITSRecPoint *fClusters20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y
182 Int_t fClusterIndex20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y
183 Float_t fY20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // y position of the clusters slice in y
184 Float_t fZ20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // z position of the clusters slice in y
e43c066c 185 Int_t fN20[21]; // number of cluster in slice
f43e383b 186 Float_t fDy20; //delta y
187 Float_t fBy20[21][2]; //slice borders
e43c066c 188 //
00a7cc50 189 AliITSRecPoint** fClustersCs; //clusters table in current slice
e43c066c 190 Int_t *fClusterIndexCs; //cluster index in current slice
191 Float_t *fYcs; //y position in current slice
192 Float_t *fZcs; //z position in current slice
193 Int_t fNcs; //number of clusters in current slice
194 Int_t fCurrentSlice; //current slice
195 //
e50912db 196 Float_t fClusterWeight[AliITSRecoParam::fgkMaxClusterPerLayer]; // probabilistic weight of the cluster
197 Int_t fClusterTracks[4][AliITSRecoParam::fgkMaxClusterPerLayer]; //tracks registered to given cluster
d9ead1a0 198 Float_t fZmin; // the
e43c066c 199 Float_t fZmax; // edges
200 Float_t fYmin; // of the
201 Float_t fYmax; // "window"
202 Int_t fI; // index of the current cluster within the "window"
203 Int_t fImax; // index of the last cluster within the "window"
204 Int_t fSkip; // indicates possibility to skip cluster
f43e383b 205 Int_t fAccepted; // accept indicator
e43c066c 206 Double_t fRoad; // road defined by the cluster density
d9ead1a0 207 Double_t fMaxSigmaClY; // maximum cluster error Y (to enlarge road)
208 Double_t fMaxSigmaClZ; // maximum cluster error Z (to enlarge road)
209 Double_t fNMaxSigmaCl; // number of sigma for road enlargement
e43c066c 210 };
211 AliITStrackerMI::AliITSlayer & GetLayer(Int_t layer) const;
212 AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); }
44396017 213 Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr
214 void SetCurrentEsdTrack(Int_t i) {fCurrentEsdTrack=i;}
215 void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain);
e43c066c 216
217protected:
1c97ce2f 218 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 219
e43c066c 220 void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
15dd636f 221 void CookLabel(AliITStrackMI *t,Float_t wrong) const;
e50912db 222 Double_t GetEffectiveThickness();
e43c066c 223 void ResetBestTrack() {
15dd636f 224 fBestTrack.~AliITStrackMI();
225 new(&fBestTrack) AliITStrackMI(fTrackToFollow);
e43c066c 226 }
15dd636f 227 void ResetTrackToFollow(const AliITStrackMI &t) {
228 fTrackToFollow.~AliITStrackMI();
229 new(&fTrackToFollow) AliITStrackMI(t);
e43c066c 230 }
15dd636f 231 void CookdEdx(AliITStrackMI* track);
232 Double_t GetNormalizedChi2(AliITStrackMI * track, Int_t mode);
a70ed6ad 233 Double_t GetTruncatedChi2(const AliITStrackMI * track, Float_t fac);
15dd636f 234 Double_t NormalizedChi2(AliITStrackMI * track, Int_t layer);
a70ed6ad 235 Double_t GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack);
236 Double_t GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2);
237 Double_t GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const;
e43c066c 238
239 Float_t *GetWeight(Int_t index);
15dd636f 240 void AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex);
e43c066c 241 void SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode);
15dd636f 242 AliITStrackMI * GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax);
e43c066c 243 void GetBestHypothesysMIP(TObjArray &itsTracks);
a70ed6ad 244 void RegisterClusterTracks(const AliITStrackMI* track, Int_t id);
245 void UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id);
00a7cc50 246 Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]);
a70ed6ad 247 Int_t GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]);
15dd636f 248 AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1);
afd25725 249 Float_t * GetErrY(Int_t trackindex) const {return &fCoefficients[trackindex*48];}
250 Float_t * GetErrZ(Int_t trackindex) const {return &fCoefficients[trackindex*48+12];}
251 Float_t * GetNy(Int_t trackindex) const {return &fCoefficients[trackindex*48+24];}
252 Float_t * GetNz(Int_t trackindex) const {return &fCoefficients[trackindex*48+36];}
a70ed6ad 253 void SignDeltas(const TObjArray *clusterArray, Float_t zv);
afd25725 254 void MakeCoefficients(Int_t ntracks);
e50912db 255 void BuildMaterialLUT(TString material);
256 void MakeTrksMaterialLUT(Int_t ntracks);
257 void DeleteTrksMaterialLUT();
258 Int_t CorrectForPipeMaterial(AliITStrackMI *t, TString direction="inward");
259 Int_t CorrectForShieldMaterial(AliITStrackMI *t, TString shield, TString direction="inward");
260 Int_t CorrectForLayerMaterial(AliITStrackMI *t, Int_t layerindex, Double_t oldGlobXYZ[3], TString direction="inward");
15dd636f 261 void UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const;
23197852 262 void ReadBadFromDetTypeRec();
a70ed6ad 263 Int_t CheckSkipLayer(const AliITStrackMI *track,Int_t ilayer,Int_t idet) const;
1c97ce2f 264 Int_t CheckDeadZone(AliITStrackMI *track,Int_t ilayer,Int_t idet,Double_t dz,Double_t dy,Bool_t noClusters=kFALSE) const;
a70ed6ad 265 Bool_t LocalModuleCoord(Int_t ilayer,Int_t idet,const AliITStrackMI *track,
ae00569a 266 Float_t &xloc,Float_t &zloc) const;
7167ae53 267// method to be used for Plane Efficiency evaluation
a70ed6ad 268 Bool_t IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const; // Check if a track is usable
0ed58a47 269 // for Plane Eff evaluation
a70ed6ad 270 void UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer); // Use this track for Plane Eff
7167ae53 271//
e43c066c 272 Int_t fI; // index of the current layer
e50912db 273 static AliITSlayer fgLayers[AliITSgeomTGeo::kNLayers];// ITS layers
274 AliITStrackMI fTracks[AliITSgeomTGeo::kNLayers]; // track estimations at the ITS layers
15dd636f 275 AliITStrackMI fBestTrack; // "best" track
276 AliITStrackMI fTrackToFollow; // followed track
e43c066c 277 TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
81e97e0d 278 TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
628e7bb0 279 TObjArray fOriginal; // ! array with seeds from the TPC
e43c066c 280 Int_t fBestTrackIndex[100000]; // ! index of the best track
281 Int_t fCurrentEsdTrack; // ! current esd track - MI
282 Int_t fPass; // current pass through the data
283 Int_t fConstraint[2]; // constraint flags
628e7bb0 284 Bool_t fAfterV0; //indicates V0 founded
4fa7f7d1 285 Int_t fForceSkippingOfLayer[AliITSgeomTGeo::kNLayers]; // layers to be skipped
e43c066c 286 Int_t fLastLayerToTrackTo; // the innermost layer to track to
e50912db 287 Float_t * fCoefficients; //! working array with errors and mean cluster shape
afd25725 288 AliESDEvent * fEsd; //! pointer to the ESD event
289 Double_t fSPDdetzcentre[4]; // centres of SPD modules in z
e50912db 290 TString fTrackingPhase; // current tracking phase
291 Int_t fUseTGeo; // use TGeo to get material budget
292 Int_t fNtracks; // number of tracks to prolong
293 Float_t fxOverX0Pipe; // material budget
294 Float_t fxTimesRhoPipe; // material budget
295 Float_t fxOverX0Shield[2]; // material budget
296 Float_t fxTimesRhoShield[2]; // material budget
297 Float_t fxOverX0Layer[6]; // material budget
298 Float_t fxTimesRhoLayer[6]; // material budget
299 Float_t *fxOverX0PipeTrks; //! material budget
300 Float_t *fxTimesRhoPipeTrks; //! material budget
301 Float_t *fxOverX0ShieldTrks; //! material budget
302 Float_t *fxTimesRhoShieldTrks; //! material budget
303 Float_t *fxOverX0LayerTrks; //! material budget
304 Float_t *fxTimesRhoLayerTrks; //! material budget
305 TTreeSRedirector *fDebugStreamer; //!debug streamer
23197852 306 AliITSChannelStatus *fITSChannelStatus;//! bitmaps with channel status for SPD and SDD
a70ed6ad 307 const AliITSDetTypeRec *fkDetTypeRec; //! ITS det type rec, from AliITSReconstructor
ae00569a 308 AliITSPlaneEff *fPlaneEff; //! Pointer to the ITS plane efficicency
bf6adc12 309private:
8221b41b 310 AliITStrackerMI(const AliITStrackerMI &tracker);
311 AliITStrackerMI & operator=(const AliITStrackerMI &tracker);
4fa7f7d1 312 ClassDef(AliITStrackerMI,9) //ITS tracker MI
e43c066c 313};
314
315
316
317
318/////////////////////////////////////////////////////////
319/////////////////////////////////////////////////////////
320/////////////////////////////////////////////////////////
321
322
323
324
325
a70ed6ad 326inline void AliITStrackerMI::SetupFirstPass(const Int_t *flags,const Double_t *cuts) {
e43c066c 327 // This function sets up flags and cuts for the first tracking pass
328 //
329 // flags[0] - vertex constaint flag
330 // negative means "skip the pass"
331 // 0 means "no constraint"
332 // positive means "normal constraint"
333
334 fConstraint[0]=flags[0];
335 if (cuts==0) return;
336}
337
a70ed6ad 338inline void AliITStrackerMI::SetupSecondPass(const Int_t *flags,const Double_t *cuts) {
e43c066c 339 // This function sets up flags and cuts for the second tracking pass
340 //
341 // flags[0] - vertex constaint flag
342 // negative means "skip the pass"
343 // 0 means "no constraint"
344 // positive means "normal constraint"
345
346 fConstraint[1]=flags[0];
347 if (cuts==0) return;
348}
349
350inline void AliITStrackerMI::CookLabel(AliKalmanTrack *t,Float_t wrong) const {
351 //--------------------------------------------------------------------
352 //This function "cooks" a track label. If label<0, this track is fake.
353 //--------------------------------------------------------------------
354 Int_t tpcLabel=t->GetLabel();
355 if (tpcLabel<0) return;
356 AliTracker::CookLabel(t,wrong);
357 if (tpcLabel!=TMath::Abs(t->GetLabel())){
358 t->SetFakeRatio(1.);
359 }
360 if (tpcLabel !=t->GetLabel()) {
361 t->SetLabel(-tpcLabel);
362 }
363}
364
15dd636f 365inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackMI * track, Int_t layer)
e43c066c 366{
367 //--------------------------------------------------------------------
368 //get normalize chi2
369 //--------------------------------------------------------------------
b9671574 370 track->SetNormChi2(layer,2.*track->GetNSkipped()+0.25*track->GetNDeadZone()+track->GetdEdxMismatch()+track->GetChi2()/
e43c066c 371 //track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->fChi22/
b9671574 372 TMath::Max(double(track->GetNumberOfClusters()-track->GetNSkipped()),
373 1./(1.+track->GetNSkipped())));
374 return track->GetNormChi2(layer);
e43c066c 375}
00a7cc50 376inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const
e43c066c 377{
378 //
379 // get cluster coordinates in global cooordinate
380 //
381 xyz[2] = cl->GetZ();
382 xyz[0] = fR*fCosPhi - cl->GetY()*fSinPhi;
383 xyz[1] = fR*fSinPhi + cl->GetY()*fCosPhi;
384}
385#endif
4fa7f7d1 386