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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"
a4354152 30#include "AliRefArray.h"
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(); }
88e3c173 67 TObjArray* GetTrackHypothesys() {return &fTrackHypothesys;}
68 TObjArray* GetBestHypothesys() {return &fBestHypothesys;}
69 TObjArray* GetOriginal() {return &fOriginal;}
70 TTreeSRedirector *GetDebugStreamer() const {return fDebugStreamer;}
44396017 71 static Int_t CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t);
4fa7f7d1 72 void SetForceSkippingOfLayer();
73 Int_t ForceSkippingOfLayer(Int_t l) const { return fForceSkippingOfLayer[l]; }
a4354152 74 //
75 // methods for debugging (RS) >>
76 Int_t FindClusterOfTrack(int label, int lr, int* store) const;
fa4c46da 77 // Int_t GetPattern(const AliITStrackMI* track, char* patt);
a4354152 78 // methods for debugging (RS) <<
79 //
e43c066c 80 class AliITSdetector {
81 public:
1c97ce2f 82 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) {}
83 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 84 ~AliITSdetector() {if(fChipIsBad) delete [] fChipIsBad;}
00a7cc50 85 inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const;
e43c066c 86 Double_t GetR() const {return fR;}
1c97ce2f 87 Double_t GetRmisal() const {return fRmisal;}
e43c066c 88 Double_t GetPhi() const {return fPhi;}
89 Double_t GetYmin() const {return fYmin;}
90 Double_t GetYmax() const {return fYmax;}
91 Double_t GetZmin() const {return fZmin;}
92 Double_t GetZmax() const {return fZmax;}
23197852 93 Bool_t IsBad() const {return fIsBad;}
94 Int_t GetNChips() const {return fNChips;}
95 Bool_t IsChipBad(Int_t iChip) const {return (fChipIsBad ? fChipIsBad[iChip] : kFALSE);}
1c97ce2f 96 void SetRmisal(Double_t rmisal) {fRmisal = rmisal;}
e43c066c 97 void SetYmin(Double_t min) {fYmin = min;}
98 void SetYmax(Double_t max) {fYmax = max;}
99 void SetZmin(Double_t min) {fZmin = min;}
100 void SetZmax(Double_t max) {fZmax = max;}
23197852 101 void SetBad() {fIsBad = kTRUE;}
a70ed6ad 102 void ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,const AliITSDetTypeRec *detTypeRec);
e43c066c 103 private:
23197852 104 AliITSdetector(const AliITSdetector& det);
105 AliITSdetector & operator=(const AliITSdetector& det){
106 this->~AliITSdetector();new(this) AliITSdetector(det);
107 return *this;}
1c97ce2f 108 Double_t fR; // polar coordinates: r
109 Double_t fRmisal; // polar coordinates: r, with misalignment
110 Double_t fPhi; // polar coordinates: phi
e43c066c 111 Double_t fSinPhi; // sin of phi;
112 Double_t fCosPhi; // cos of phi
113 Double_t fYmin; // local y minimal
114 Double_t fYmax; // local max y
115 Double_t fZmin; // local z min
116 Double_t fZmax; // local z max
23197852 117 Bool_t fIsBad; // is detector dead or noisy?
118 Int_t fNChips; // number of chips
119 Bool_t *fChipIsBad; //[fNChips] is chip dead or noisy?
e43c066c 120 };
121
122 class AliITSlayer {
e43c066c 123 public:
124 AliITSlayer();
125 AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd);
23197852 126 ~AliITSlayer();
00a7cc50 127 Int_t InsertCluster(AliITSRecPoint *c);
e43c066c 128 void SortClusters();
129 void ResetClusters();
130 void ResetWeights();
6518a6c5 131 void SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin,Double_t ymax);
ae00569a 132 const AliITSRecPoint *GetNextCluster(Int_t &ci,Bool_t test=kFALSE);
e43c066c 133 void ResetRoad();
134 Double_t GetRoad() const {return fRoad;}
135 Double_t GetR() const {return fR;}
136 Int_t FindClusterIndex(Float_t z) const;
88e3c173 137 AliITSRecPoint *GetCluster(Int_t i) const {return i<fN ? fClusters[i]:0;}
138 Float_t *GetWeight(Int_t i) {return i<fN ? &fClusterWeight[i]:0;}
e43c066c 139 AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; }
140 Int_t FindDetectorIndex(Double_t phi, Double_t z) const;
141 Double_t GetThickness(Double_t y, Double_t z, Double_t &x0) const;
142 Int_t InRoad() const ;
143 Int_t GetNumberOfClusters() const {return fN;}
144 Int_t GetNladders() const {return fNladders;}
145 Int_t GetNdetectors() const {return fNdetectors;}
146 Int_t GetSkip() const {return fSkip;}
147 void SetSkip(Int_t skip){fSkip=skip;}
148 void IncAccepted(){fAccepted++;}
81e97e0d 149 Int_t GetAccepted() const {return fAccepted;}
b9671574 150 Int_t GetClusterTracks(Int_t i, Int_t j) const {return fClusterTracks[i][j];}
151 void SetClusterTracks(Int_t i, Int_t j, Int_t c) {fClusterTracks[i][j]=c;}
a4354152 152 Int_t FindClusterForLabel(Int_t label, Int_t *store); //RS
e43c066c 153 protected:
8221b41b 154 AliITSlayer(const AliITSlayer& layer);
155 AliITSlayer & operator=(const AliITSlayer& layer){
156 this->~AliITSlayer();new(this) AliITSlayer(layer);
157 return *this;}
e43c066c 158 Double_t fR; // mean radius of this layer
159 Double_t fPhiOffset; // offset of the first detector in Phi
160 Int_t fNladders; // number of ladders
161 Double_t fZOffset; // offset of the first detector in Z
162 Int_t fNdetectors; // detectors/ladder
163 AliITSdetector *fDetectors; // array of detectors
164 Int_t fN; // number of clusters
e50912db 165 AliITSRecPoint *fClusters[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters
166 Int_t fClusterIndex[AliITSRecoParam::fgkMaxClusterPerLayer]; // pointers to clusters
167 Float_t fY[AliITSRecoParam::fgkMaxClusterPerLayer]; // y position of the clusters
168 Float_t fZ[AliITSRecoParam::fgkMaxClusterPerLayer]; // z position of the clusters
e43c066c 169 Float_t fYB[2]; // ymin and ymax
170 //
e50912db 171 AliITSRecPoint *fClusters5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y
172 Int_t fClusterIndex5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // pointers to clusters - slice in y
173 Float_t fY5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // y position of the clusters slice in y
174 Float_t fZ5[6][AliITSRecoParam::fgkMaxClusterPerLayer5]; // z position of the clusters slice in y
e43c066c 175 Int_t fN5[6]; // number of cluster in slice
176 Float_t fDy5; //delta y
177 Float_t fBy5[6][2]; //slice borders
178 //
e50912db 179 AliITSRecPoint *fClusters10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y
180 Int_t fClusterIndex10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // pointers to clusters - slice in y
181 Float_t fY10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // y position of the clusters slice in y
182 Float_t fZ10[11][AliITSRecoParam::fgkMaxClusterPerLayer10]; // z position of the clusters slice in y
e43c066c 183 Int_t fN10[11]; // number of cluster in slice
f43e383b 184 Float_t fDy10; // delta y
185 Float_t fBy10[11][2]; // slice borders
e43c066c 186 //
e50912db 187 AliITSRecPoint *fClusters20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y
188 Int_t fClusterIndex20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // pointers to clusters - slice in y
189 Float_t fY20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // y position of the clusters slice in y
190 Float_t fZ20[21][AliITSRecoParam::fgkMaxClusterPerLayer20]; // z position of the clusters slice in y
e43c066c 191 Int_t fN20[21]; // number of cluster in slice
f43e383b 192 Float_t fDy20; //delta y
193 Float_t fBy20[21][2]; //slice borders
e43c066c 194 //
00a7cc50 195 AliITSRecPoint** fClustersCs; //clusters table in current slice
e43c066c 196 Int_t *fClusterIndexCs; //cluster index in current slice
197 Float_t *fYcs; //y position in current slice
198 Float_t *fZcs; //z position in current slice
199 Int_t fNcs; //number of clusters in current slice
200 Int_t fCurrentSlice; //current slice
201 //
e50912db 202 Float_t fClusterWeight[AliITSRecoParam::fgkMaxClusterPerLayer]; // probabilistic weight of the cluster
203 Int_t fClusterTracks[4][AliITSRecoParam::fgkMaxClusterPerLayer]; //tracks registered to given cluster
d9ead1a0 204 Float_t fZmin; // the
e43c066c 205 Float_t fZmax; // edges
206 Float_t fYmin; // of the
207 Float_t fYmax; // "window"
208 Int_t fI; // index of the current cluster within the "window"
209 Int_t fImax; // index of the last cluster within the "window"
210 Int_t fSkip; // indicates possibility to skip cluster
f43e383b 211 Int_t fAccepted; // accept indicator
e43c066c 212 Double_t fRoad; // road defined by the cluster density
d9ead1a0 213 Double_t fMaxSigmaClY; // maximum cluster error Y (to enlarge road)
214 Double_t fMaxSigmaClZ; // maximum cluster error Z (to enlarge road)
215 Double_t fNMaxSigmaCl; // number of sigma for road enlargement
e43c066c 216 };
217 AliITStrackerMI::AliITSlayer & GetLayer(Int_t layer) const;
218 AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); }
44396017 219 Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr
220 void SetCurrentEsdTrack(Int_t i) {fCurrentEsdTrack=i;}
221 void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain);
a4354152 222 //
223 void FlagFakes(TObjArray &itsTracks);
224 //
e43c066c 225protected:
1c97ce2f 226 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 227
e43c066c 228 void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
15dd636f 229 void CookLabel(AliITStrackMI *t,Float_t wrong) const;
e50912db 230 Double_t GetEffectiveThickness();
a4354152 231 Int_t GetEffectiveThicknessLbyL(Double_t* xMS, Double_t* x2x0MS);
e43c066c 232 void ResetBestTrack() {
15dd636f 233 fBestTrack.~AliITStrackMI();
234 new(&fBestTrack) AliITStrackMI(fTrackToFollow);
e43c066c 235 }
15dd636f 236 void ResetTrackToFollow(const AliITStrackMI &t) {
237 fTrackToFollow.~AliITStrackMI();
238 new(&fTrackToFollow) AliITStrackMI(t);
e43c066c 239 }
15dd636f 240 void CookdEdx(AliITStrackMI* track);
241 Double_t GetNormalizedChi2(AliITStrackMI * track, Int_t mode);
a70ed6ad 242 Double_t GetTruncatedChi2(const AliITStrackMI * track, Float_t fac);
15dd636f 243 Double_t NormalizedChi2(AliITStrackMI * track, Int_t layer);
a70ed6ad 244 Double_t GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack);
245 Double_t GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2);
246 Double_t GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const;
e43c066c 247
248 Float_t *GetWeight(Int_t index);
15dd636f 249 void AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex);
e43c066c 250 void SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode);
15dd636f 251 AliITStrackMI * GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax);
e43c066c 252 void GetBestHypothesysMIP(TObjArray &itsTracks);
a70ed6ad 253 void RegisterClusterTracks(const AliITStrackMI* track, Int_t id);
254 void UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id);
00a7cc50 255 Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]);
a70ed6ad 256 Int_t GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]);
15dd636f 257 AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1);
afd25725 258 Float_t * GetErrY(Int_t trackindex) const {return &fCoefficients[trackindex*48];}
259 Float_t * GetErrZ(Int_t trackindex) const {return &fCoefficients[trackindex*48+12];}
260 Float_t * GetNy(Int_t trackindex) const {return &fCoefficients[trackindex*48+24];}
261 Float_t * GetNz(Int_t trackindex) const {return &fCoefficients[trackindex*48+36];}
a70ed6ad 262 void SignDeltas(const TObjArray *clusterArray, Float_t zv);
afd25725 263 void MakeCoefficients(Int_t ntracks);
e50912db 264 void BuildMaterialLUT(TString material);
265 void MakeTrksMaterialLUT(Int_t ntracks);
266 void DeleteTrksMaterialLUT();
267 Int_t CorrectForPipeMaterial(AliITStrackMI *t, TString direction="inward");
268 Int_t CorrectForShieldMaterial(AliITStrackMI *t, TString shield, TString direction="inward");
269 Int_t CorrectForLayerMaterial(AliITStrackMI *t, Int_t layerindex, Double_t oldGlobXYZ[3], TString direction="inward");
15dd636f 270 void UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const;
23197852 271 void ReadBadFromDetTypeRec();
a70ed6ad 272 Int_t CheckSkipLayer(const AliITStrackMI *track,Int_t ilayer,Int_t idet) const;
1c97ce2f 273 Int_t CheckDeadZone(AliITStrackMI *track,Int_t ilayer,Int_t idet,Double_t dz,Double_t dy,Bool_t noClusters=kFALSE) const;
a70ed6ad 274 Bool_t LocalModuleCoord(Int_t ilayer,Int_t idet,const AliITStrackMI *track,
ae00569a 275 Float_t &xloc,Float_t &zloc) const;
7167ae53 276// method to be used for Plane Efficiency evaluation
a70ed6ad 277 Bool_t IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer) const; // Check if a track is usable
0ed58a47 278 // for Plane Eff evaluation
a70ed6ad 279 void UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer); // Use this track for Plane Eff
7167ae53 280//
e43c066c 281 Int_t fI; // index of the current layer
e50912db 282 static AliITSlayer fgLayers[AliITSgeomTGeo::kNLayers];// ITS layers
283 AliITStrackMI fTracks[AliITSgeomTGeo::kNLayers]; // track estimations at the ITS layers
15dd636f 284 AliITStrackMI fBestTrack; // "best" track
285 AliITStrackMI fTrackToFollow; // followed track
e43c066c 286 TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
81e97e0d 287 TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
628e7bb0 288 TObjArray fOriginal; // ! array with seeds from the TPC
e43c066c 289 Int_t fBestTrackIndex[100000]; // ! index of the best track
290 Int_t fCurrentEsdTrack; // ! current esd track - MI
291 Int_t fPass; // current pass through the data
292 Int_t fConstraint[2]; // constraint flags
628e7bb0 293 Bool_t fAfterV0; //indicates V0 founded
4fa7f7d1 294 Int_t fForceSkippingOfLayer[AliITSgeomTGeo::kNLayers]; // layers to be skipped
e43c066c 295 Int_t fLastLayerToTrackTo; // the innermost layer to track to
e50912db 296 Float_t * fCoefficients; //! working array with errors and mean cluster shape
afd25725 297 AliESDEvent * fEsd; //! pointer to the ESD event
298 Double_t fSPDdetzcentre[4]; // centres of SPD modules in z
e50912db 299 TString fTrackingPhase; // current tracking phase
300 Int_t fUseTGeo; // use TGeo to get material budget
301 Int_t fNtracks; // number of tracks to prolong
a4354152 302 Bool_t fFlagFakes; // request fakes flagging
303 Bool_t fSelectBestMIP03; // use Chi2MIP[0]*Chi2MIP[3] in hypothesis analysis instead of Chi2MIP[0]
304 Bool_t fUseImproveKalman; // use Kalman version of Improve
e50912db 305 Float_t fxOverX0Pipe; // material budget
306 Float_t fxTimesRhoPipe; // material budget
307 Float_t fxOverX0Shield[2]; // material budget
308 Float_t fxTimesRhoShield[2]; // material budget
309 Float_t fxOverX0Layer[6]; // material budget
310 Float_t fxTimesRhoLayer[6]; // material budget
311 Float_t *fxOverX0PipeTrks; //! material budget
312 Float_t *fxTimesRhoPipeTrks; //! material budget
313 Float_t *fxOverX0ShieldTrks; //! material budget
314 Float_t *fxTimesRhoShieldTrks; //! material budget
315 Float_t *fxOverX0LayerTrks; //! material budget
316 Float_t *fxTimesRhoLayerTrks; //! material budget
317 TTreeSRedirector *fDebugStreamer; //!debug streamer
23197852 318 AliITSChannelStatus *fITSChannelStatus;//! bitmaps with channel status for SPD and SDD
a70ed6ad 319 const AliITSDetTypeRec *fkDetTypeRec; //! ITS det type rec, from AliITSReconstructor
ae00569a 320 AliITSPlaneEff *fPlaneEff; //! Pointer to the ITS plane efficicency
a4354152 321 //
bf6adc12 322private:
8221b41b 323 AliITStrackerMI(const AliITStrackerMI &tracker);
324 AliITStrackerMI & operator=(const AliITStrackerMI &tracker);
4fa7f7d1 325 ClassDef(AliITStrackerMI,9) //ITS tracker MI
e43c066c 326};
327
328
329
330
331/////////////////////////////////////////////////////////
332/////////////////////////////////////////////////////////
333/////////////////////////////////////////////////////////
334
335
336
337
338
a70ed6ad 339inline void AliITStrackerMI::SetupFirstPass(const Int_t *flags,const Double_t *cuts) {
e43c066c 340 // This function sets up flags and cuts for the first tracking pass
341 //
342 // flags[0] - vertex constaint flag
343 // negative means "skip the pass"
344 // 0 means "no constraint"
345 // positive means "normal constraint"
346
347 fConstraint[0]=flags[0];
88e3c173 348 if (!cuts) return;
e43c066c 349}
350
a70ed6ad 351inline void AliITStrackerMI::SetupSecondPass(const Int_t *flags,const Double_t *cuts) {
e43c066c 352 // This function sets up flags and cuts for the second tracking pass
353 //
354 // flags[0] - vertex constaint flag
355 // negative means "skip the pass"
356 // 0 means "no constraint"
357 // positive means "normal constraint"
358
359 fConstraint[1]=flags[0];
88e3c173 360 if (!cuts) return;
e43c066c 361}
362
363inline void AliITStrackerMI::CookLabel(AliKalmanTrack *t,Float_t wrong) const {
364 //--------------------------------------------------------------------
365 //This function "cooks" a track label. If label<0, this track is fake.
366 //--------------------------------------------------------------------
367 Int_t tpcLabel=t->GetLabel();
368 if (tpcLabel<0) return;
369 AliTracker::CookLabel(t,wrong);
370 if (tpcLabel!=TMath::Abs(t->GetLabel())){
371 t->SetFakeRatio(1.);
372 }
373 if (tpcLabel !=t->GetLabel()) {
374 t->SetLabel(-tpcLabel);
375 }
376}
377
15dd636f 378inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackMI * track, Int_t layer)
e43c066c 379{
380 //--------------------------------------------------------------------
381 //get normalize chi2
382 //--------------------------------------------------------------------
b9671574 383 track->SetNormChi2(layer,2.*track->GetNSkipped()+0.25*track->GetNDeadZone()+track->GetdEdxMismatch()+track->GetChi2()/
e43c066c 384 //track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->fChi22/
b9671574 385 TMath::Max(double(track->GetNumberOfClusters()-track->GetNSkipped()),
386 1./(1.+track->GetNSkipped())));
387 return track->GetNormChi2(layer);
e43c066c 388}
00a7cc50 389inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const
e43c066c 390{
391 //
392 // get cluster coordinates in global cooordinate
393 //
394 xyz[2] = cl->GetZ();
395 xyz[0] = fR*fCosPhi - cl->GetY()*fSinPhi;
396 xyz[1] = fR*fSinPhi + cl->GetY()*fCosPhi;
397}
398#endif