Line data Source code
1 : #ifndef ALIITSTRACKERMI_H
2 : #define ALIITSTRACKERMI_H
3 : /* Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 : * See cxx source for full Copyright notice */
5 :
6 : /* $Id$ */
7 :
8 : //-------------------------------------------------------------------------
9 : // ITS tracker
10 : // reads AliITSclusterMI clusters and creates AliITStrackMI tracks
11 : // Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch
12 : // Current support and development:
13 : // Andrea Dainese, andrea.dainese@lnl.infn.it
14 : //-------------------------------------------------------------------------
15 :
16 : class TTree;
17 : class TTreeSRedirector;
18 : class AliESDEvent;
19 :
20 : class AliITSPlaneEff;
21 : class AliITSChannelStatus;
22 : class AliITSDetTypeRec;
23 : class AliPlaneEff;
24 :
25 : #include <TObjArray.h>
26 :
27 : #include "AliITStrackMI.h"
28 : #include "AliITSRecPoint.h"
29 : #include "AliTracker.h"
30 : #include "AliRefArray.h"
31 : #include "AliITSPIDResponse.h"
32 :
33 : //-------------------------------------------------------------------------
34 : class AliITStrackerMI : public AliTracker {
35 : public:
36 : AliITStrackerMI();
37 : AliITStrackerMI(const Char_t *geom);
38 : virtual ~AliITStrackerMI();
39 : AliCluster *GetCluster(Int_t index) const;
40 : virtual Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const;
41 : virtual Bool_t GetTrackPointTrackingError(Int_t index,
42 : AliTrackPoint& p, const AliESDtrack *t);
43 : AliITSRecPoint *GetClusterLayer(Int_t layn, Int_t ncl) const
44 0 : {return fgLayers[layn].GetCluster(ncl);}
45 : Int_t GetNumberOfClustersLayer(Int_t layn) const
46 0 : {return fgLayers[layn].GetNumberOfClusters();}
47 : Int_t LoadClusters(TTree *cf);
48 : void UnloadClusters();
49 : void FillClusterArray(TObjArray* array) const;
50 : Int_t Clusters2Tracks(AliESDEvent *event);
51 : Int_t PropagateBack(AliESDEvent *event);
52 : Int_t RefitInward(AliESDEvent *event);
53 : Bool_t RefitAt(Double_t x, AliITStrackMI *track,
54 : const AliITStrackMI *clusters, Bool_t extra=kFALSE, Bool_t planeeff=kFALSE);
55 : Bool_t RefitAt(Double_t x, AliITStrackMI *track,
56 : const Int_t *clusters, Bool_t extra=kFALSE, Bool_t planeeff=kFALSE);
57 : void SetupFirstPass(const Int_t *flags,const Double_t *cuts=0);
58 : void SetupSecondPass(const Int_t *flags,const Double_t *cuts=0);
59 :
60 0 : void SetLastLayerToTrackTo(Int_t l=0) {fLastLayerToTrackTo=l;}
61 : void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
62 :
63 : void GetDCASigma(const AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz);
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;
66 4 : AliPlaneEff *GetPlaneEff() {return (AliPlaneEff*)fPlaneEff;} // return the pointer to AliPlaneEff
67 4 : void SetDetTypeRec(const AliITSDetTypeRec *detTypeRec) {fkDetTypeRec = detTypeRec; ReadBadFromDetTypeRec(); }
68 16 : TObjArray* GetTrackHypothesys() {return &fTrackHypothesys;}
69 16 : TObjArray* GetBestHypothesys() {return &fBestHypothesys;}
70 16 : TObjArray* GetOriginal() {return &fOriginal;}
71 32 : TTreeSRedirector *GetDebugStreamer() const {return fDebugStreamer;}
72 : static Int_t CorrectForTPCtoITSDeadZoneMaterial(AliITStrackMI *t);
73 : void SetForceSkippingOfLayer();
74 46228 : Int_t ForceSkippingOfLayer(Int_t l) const { return fForceSkippingOfLayer[l]; }
75 : //
76 : // methods for debugging (RS) >>
77 : Int_t FindClusterOfTrack(int label, int lr, int* store) const;
78 : // Int_t GetPattern(const AliITStrackMI* track, char* patt);
79 : // methods for debugging (RS) <<
80 : //
81 : class AliITSdetector {
82 : public:
83 17584 : 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) {}
84 17584 : 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) {}
85 30772 : ~AliITSdetector() {if(fChipIsBad) delete [] fChipIsBad;}
86 : inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const;
87 48152 : Double_t GetR() const {return fR;}
88 47604 : Double_t GetRmisal() const {return fRmisal;}
89 78584 : Double_t GetPhi() const {return fPhi;}
90 11032 : Double_t GetYmin() const {return fYmin;}
91 1844 : Double_t GetYmax() const {return fYmax;}
92 1428 : Double_t GetZmin() const {return fZmin;}
93 1332 : Double_t GetZmax() const {return fZmax;}
94 15396 : Bool_t IsBad() const {return fIsBad;}
95 11056 : Int_t GetNChips() const {return fNChips;}
96 22112 : Bool_t IsChipBad(Int_t iChip) const {return (fChipIsBad ? fChipIsBad[iChip] : kFALSE);}
97 8792 : void SetRmisal(Double_t rmisal) {fRmisal = rmisal;}
98 692 : void SetYmin(Double_t min) {fYmin = min;}
99 732 : void SetYmax(Double_t max) {fYmax = max;}
100 748 : void SetZmin(Double_t min) {fZmin = min;}
101 710 : void SetZmax(Double_t max) {fZmax = max;}
102 360 : void SetBad() {fIsBad = kTRUE;}
103 : void ReadBadDetectorAndChips(Int_t ilayer,Int_t idet,const AliITSDetTypeRec *detTypeRec);
104 : private:
105 : AliITSdetector(const AliITSdetector& det);
106 : AliITSdetector & operator=(const AliITSdetector& det){
107 : this->~AliITSdetector();new(this) AliITSdetector(det);
108 : return *this;}
109 : Double_t fR; // polar coordinates: r
110 : Double_t fRmisal; // polar coordinates: r, with misalignment
111 : Double_t fPhi; // polar coordinates: phi
112 : Double_t fSinPhi; // sin of phi;
113 : Double_t fCosPhi; // cos of phi
114 : Double_t fYmin; // local y minimal
115 : Double_t fYmax; // local max y
116 : Double_t fZmin; // local z min
117 : Double_t fZmax; // local z max
118 : Bool_t fIsBad; // is detector dead or noisy?
119 : Int_t fNChips; // number of chips
120 : Bool_t *fChipIsBad; //[fNChips] is chip dead or noisy?
121 : };
122 :
123 : class AliITSlayer {
124 : public:
125 : AliITSlayer();
126 : AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd);
127 : ~AliITSlayer();
128 : Int_t InsertCluster(AliITSRecPoint *c);
129 : void SortClusters();
130 : void ResetClusters();
131 : void ResetWeights();
132 : void SelectClusters(Double_t zmin,Double_t zmax,Double_t ymin,Double_t ymax);
133 : const AliITSRecPoint *GetNextCluster(Int_t &ci,Bool_t test=kFALSE);
134 : void ResetRoad();
135 : Double_t GetRoad() const {return fRoad;}
136 148776 : Double_t GetR() const {return fR;}
137 : Int_t FindClusterIndex(Float_t z) const;
138 218948 : AliITSRecPoint *GetCluster(Int_t i) const {return i<fN ? fClusters[i]:0;}
139 : //Float_t *GetWeight(Int_t i) {return i<fN ? &fClusterWeight[i]:0;}
140 106576 : AliITSdetector &GetDetector(Int_t n) const { return fDetectors[n]; }
141 : Int_t FindDetectorIndex(Double_t phi, Double_t z) const;
142 : Double_t GetThickness(Double_t y, Double_t z, Double_t &x0) const;
143 : Int_t InRoad() const ;
144 19532 : Int_t GetNumberOfClusters() const {return fN;}
145 96 : Int_t GetNladders() const {return fNladders;}
146 96 : Int_t GetNdetectors() const {return fNdetectors;}
147 : Int_t GetSkip() const {return fSkip;}
148 : void SetSkip(Int_t skip){fSkip=skip;}
149 : void IncAccepted(){fAccepted++;}
150 : Int_t GetAccepted() const {return fAccepted;}
151 52188 : Int_t GetClusterTracks(Int_t i, Int_t j) const {return int(fClusterTracks[i][j])-1;}
152 3376 : void SetClusterTracks(Int_t i, Int_t j, Int_t c) {fClusterTracks[i][j]=c+1;}
153 : Int_t FindClusterForLabel(Int_t label, Int_t *store) const; //RS
154 : protected:
155 : AliITSlayer(const AliITSlayer& layer);
156 : AliITSlayer & operator=(const AliITSlayer& layer){
157 : this->~AliITSlayer();new(this) AliITSlayer(layer);
158 : return *this;}
159 : Double_t fR; // mean radius of this layer
160 : Double_t fPhiOffset; // offset of the first detector in Phi
161 : Int_t fNladders; // number of ladders
162 : Double_t fZOffset; // offset of the first detector in Z
163 : Int_t fNdetectors; // detectors/ladder
164 : AliITSdetector *fDetectors; // array of detectors
165 : Int_t fN; // number of clusters
166 : AliITSRecPoint *fClusters[AliITSRecoParam::kMaxClusterPerLayer]; // pointers to clusters
167 : UShort_t fClusterIndex[AliITSRecoParam::kMaxClusterPerLayer]; // pointers to clusters
168 : Float_t fY[AliITSRecoParam::kMaxClusterPerLayer]; // y position of the clusters
169 : Float_t fZ[AliITSRecoParam::kMaxClusterPerLayer]; // z position of the clusters
170 : Float_t fYB[2]; // ymin and ymax
171 : //
172 : AliITSRecPoint *fClusters5[6][AliITSRecoParam::kMaxClusterPerLayer5]; // pointers to clusters - slice in y
173 : UShort_t fClusterIndex5[6][AliITSRecoParam::kMaxClusterPerLayer5]; // pointers to clusters - slice in y
174 : Float_t fY5[6][AliITSRecoParam::kMaxClusterPerLayer5]; // y position of the clusters slice in y
175 : Float_t fZ5[6][AliITSRecoParam::kMaxClusterPerLayer5]; // z position of the clusters slice in y
176 : Int_t fN5[6]; // number of cluster in slice
177 : Float_t fDy5; //delta y
178 : Float_t fBy5[6][2]; //slice borders
179 : //
180 : AliITSRecPoint *fClusters10[11][AliITSRecoParam::kMaxClusterPerLayer10]; // pointers to clusters - slice in y
181 : UShort_t fClusterIndex10[11][AliITSRecoParam::kMaxClusterPerLayer10]; // pointers to clusters - slice in y
182 : Float_t fY10[11][AliITSRecoParam::kMaxClusterPerLayer10]; // y position of the clusters slice in y
183 : Float_t fZ10[11][AliITSRecoParam::kMaxClusterPerLayer10]; // z position of the clusters slice in y
184 : Int_t fN10[11]; // number of cluster in slice
185 : Float_t fDy10; // delta y
186 : Float_t fBy10[11][2]; // slice borders
187 : //
188 : AliITSRecPoint *fClusters20[21][AliITSRecoParam::kMaxClusterPerLayer20]; // pointers to clusters - slice in y
189 : UShort_t fClusterIndex20[21][AliITSRecoParam::kMaxClusterPerLayer20]; // pointers to clusters - slice in y
190 : Float_t fY20[21][AliITSRecoParam::kMaxClusterPerLayer20]; // y position of the clusters slice in y
191 : Float_t fZ20[21][AliITSRecoParam::kMaxClusterPerLayer20]; // z position of the clusters slice in y
192 : Int_t fN20[21]; // number of cluster in slice
193 : Float_t fDy20; //delta y
194 : Float_t fBy20[21][2]; //slice borders
195 : //
196 : AliITSRecPoint** fClustersCs; //clusters table in current slice
197 : UShort_t *fClusterIndexCs; //cluster index in current slice
198 : Float_t *fYcs; //y position in current slice
199 : Float_t *fZcs; //z position in current slice
200 : Int_t fNcs; //number of clusters in current slice
201 : Int_t fCurrentSlice; //current slice
202 : //
203 : // Float_t fClusterWeight[AliITSRecoParam::kMaxClusterPerLayer]; // probabilistic weight of the cluster //RS Not used
204 : UShort_t fClusterTracks[4][AliITSRecoParam::kMaxClusterPerLayer]; //tracks registered to given cluster //RS (index+1)
205 : Float_t fZmin; // the
206 : Float_t fZmax; // edges
207 : Float_t fYmin; // of the
208 : Float_t fYmax; // "window"
209 : Int_t fI; // index of the current cluster within the "window"
210 : Int_t fImax; // index of the last cluster within the "window"
211 : Int_t fSkip; // indicates possibility to skip cluster
212 : Int_t fAccepted; // accept indicator
213 : Double_t fRoad; // road defined by the cluster density
214 : Double_t fMaxSigmaClY; // maximum cluster error Y (to enlarge road)
215 : Double_t fMaxSigmaClZ; // maximum cluster error Z (to enlarge road)
216 : Double_t fNMaxSigmaCl; // number of sigma for road enlargement
217 : };
218 : AliITStrackerMI::AliITSlayer & GetLayer(Int_t layer) const;
219 0 : AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); }
220 : Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr
221 0 : void SetCurrentEsdTrack(Int_t i) {fCurrentEsdTrack=i;}
222 : void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain);
223 : //
224 : void FlagFakes(const TObjArray &itsTracks);
225 : //
226 : protected:
227 : Bool_t ComputeRoad(AliITStrackMI* track,Int_t ilayer,Int_t idet,Double_t &zmin,Double_t &zmax,Double_t &ymin,Double_t &ymax) const;
228 :
229 : void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
230 : void CookLabel(AliITStrackMI *t,Float_t wrong) const;
231 : Double_t GetEffectiveThickness();
232 : Int_t GetEffectiveThicknessLbyL(Double_t* xMS, Double_t* x2x0MS);
233 : void ResetBestTrack() {
234 412 : fBestTrack.~AliITStrackMI();
235 206 : new(&fBestTrack) AliITStrackMI(fTrackToFollow);
236 206 : }
237 : void ResetTrackToFollow(const AliITStrackMI &t) {
238 804 : fTrackToFollow.~AliITStrackMI();
239 402 : new(&fTrackToFollow) AliITStrackMI(t);
240 402 : }
241 : void CookdEdx(AliITStrackMI* track);
242 :
243 : Int_t GetParticleId(const AliESDtrack* track) const{
244 : ULong_t trStatus=track->GetStatus();
245 : Bool_t isSA=kTRUE; if(trStatus&AliESDtrack::kTPCin) isSA=kFALSE;
246 : return fITSPid->GetParticleIdFromdEdxVsP(track->P(),track->GetITSsignal(),isSA);
247 : }
248 : Int_t GetParticleId(const AliITStrackV2* track) const{
249 : if(track->GetESDtrack()) return GetParticleId(track->GetESDtrack());
250 : return fITSPid->GetParticleIdFromdEdxVsP(track->P(),track->GetdEdx(),kFALSE);
251 : }
252 :
253 : Double_t GetNormalizedChi2(AliITStrackMI * track, Int_t mode);
254 : Double_t GetTruncatedChi2(const AliITStrackMI * track, Float_t fac);
255 : Double_t NormalizedChi2(AliITStrackMI * track, Int_t layer);
256 : Double_t GetInterpolatedChi2(const AliITStrackMI * forwardtrack,const AliITStrackMI * backtrack);
257 : Double_t GetMatchingChi2(const AliITStrackMI * track1,const AliITStrackMI * track2);
258 : Double_t GetSPDDeadZoneProbability(Double_t zpos, Double_t zerr) const;
259 :
260 : // Float_t *GetWeight(Int_t index);
261 : void AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex);
262 : void SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode);
263 : AliITStrackMI * GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax);
264 : void GetBestHypothesysMIP(TObjArray &itsTracks);
265 : void RegisterClusterTracks(const AliITStrackMI* track, Int_t id);
266 : void UnRegisterClusterTracks(const AliITStrackMI* track, Int_t id);
267 : Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]);
268 : Int_t GetOverlapTrack(const AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]);
269 : AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1,AliITStrackMI* original);
270 11308 : Float_t * GetErrY(Int_t trackindex) const {return &fCoefficients[trackindex*48];}
271 11308 : Float_t * GetErrZ(Int_t trackindex) const {return &fCoefficients[trackindex*48+12];}
272 13944 : Float_t * GetNy(Int_t trackindex) const {return &fCoefficients[trackindex*48+24];}
273 13944 : Float_t * GetNz(Int_t trackindex) const {return &fCoefficients[trackindex*48+36];}
274 : void SignDeltas(const TObjArray *clusterArray, Float_t zv);
275 : void MakeCoefficients(Int_t ntracks);
276 : void BuildMaterialLUT(TString material);
277 : void MakeTrksMaterialLUT(Int_t ntracks);
278 : void DeleteTrksMaterialLUT();
279 : Int_t CorrectForPipeMaterial(AliITStrackMI *t, TString direction="inward");
280 : Int_t CorrectForShieldMaterial(AliITStrackMI *t, TString shield, TString direction="inward");
281 : Int_t CorrectForLayerMaterial(AliITStrackMI *t, Int_t layerindex, Double_t oldGlobXYZ[3], TString direction="inward");
282 : void UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const;
283 : void ReadBadFromDetTypeRec();
284 : Int_t CheckSkipLayer(const AliITStrackMI *track,Int_t ilayer,Int_t idet) const;
285 : Int_t CheckDeadZone(AliITStrackMI *track,Int_t ilayer,Int_t idet,Double_t dz,Double_t dy,Bool_t noClusters=kFALSE) const;
286 : Bool_t LocalModuleCoord(Int_t ilayer,Int_t idet,const AliITStrackMI *track,
287 : Float_t &xloc,Float_t &zloc) const;
288 : // method to be used for Plane Efficiency evaluation
289 : Bool_t IsOKForPlaneEff(const AliITStrackMI* track, const Int_t *clusters, Int_t ilayer); // Check if a track is usable
290 : // for Plane Eff evaluation
291 : void UseTrackForPlaneEff(const AliITStrackMI* track, Int_t ilayer); // Use this track for Plane Eff
292 : //
293 : Int_t fI; // index of the current layer
294 : static AliITSlayer fgLayers[AliITSgeomTGeo::kNLayers];// ITS layers
295 : AliITStrackMI fTracks[AliITSgeomTGeo::kNLayers]; // track estimations at the ITS layers
296 : AliITStrackMI fBestTrack; // "best" track
297 : AliITStrackMI fTrackToFollow; // followed track
298 : TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
299 : TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI
300 : TObjArray fOriginal; // ! array with seeds from the TPC
301 : Int_t fBestTrackIndex[100000]; // ! index of the best track
302 : Int_t fCurrentEsdTrack; // ! current esd track - MI
303 : Int_t fPass; // current pass through the data
304 : Int_t fConstraint[2]; // constraint flags
305 : Bool_t fAfterV0; //indicates V0 founded
306 : Int_t fForceSkippingOfLayer[AliITSgeomTGeo::kNLayers]; // layers to be skipped
307 : Int_t fLastLayerToTrackTo; // the innermost layer to track to
308 : Float_t * fCoefficients; //! working array with errors and mean cluster shape
309 : AliESDEvent * fEsd; //! pointer to the ESD event
310 : Double_t fSPDdetzcentre[4]; // centres of SPD modules in z
311 : TString fTrackingPhase; // current tracking phase
312 : Int_t fUseTGeo; // use TGeo to get material budget
313 : Int_t fNtracks; // number of tracks to prolong
314 : Bool_t fFlagFakes; // request fakes flagging
315 : Bool_t fSelectBestMIP03; // use Chi2MIP[0]*Chi2MIP[3] in hypothesis analysis instead of Chi2MIP[0]
316 : Bool_t fUseImproveKalman; // use Kalman version of Improve
317 : Float_t fxOverX0Pipe; // material budget
318 : Float_t fxTimesRhoPipe; // material budget
319 : Float_t fxOverX0Shield[2]; // material budget
320 : Float_t fxTimesRhoShield[2]; // material budget
321 : Float_t fxOverX0Layer[6]; // material budget
322 : Float_t fxTimesRhoLayer[6]; // material budget
323 : Float_t *fxOverX0PipeTrks; //! material budget
324 : Float_t *fxTimesRhoPipeTrks; //! material budget
325 : Float_t *fxOverX0ShieldTrks; //! material budget
326 : Float_t *fxTimesRhoShieldTrks; //! material budget
327 : Float_t *fxOverX0LayerTrks; //! material budget
328 : Float_t *fxTimesRhoLayerTrks; //! material budget
329 : TTreeSRedirector *fDebugStreamer; //!debug streamer
330 : AliITSChannelStatus *fITSChannelStatus;//! bitmaps with channel status for SPD and SDD
331 : const AliITSDetTypeRec *fkDetTypeRec; //! ITS det type rec, from AliITSReconstructor
332 : AliITSPlaneEff *fPlaneEff; //! Pointer to the ITS plane efficicency
333 : Bool_t* fSPDChipIntPlaneEff; //! Map of the SPD chips already intersected by a track (for FO studies)
334 : AliITSPIDResponse *fITSPid; //! parameters for ITS pid
335 : //
336 : private:
337 : AliITStrackerMI(const AliITStrackerMI &tracker);
338 : AliITStrackerMI & operator=(const AliITStrackerMI &tracker);
339 118 : ClassDef(AliITStrackerMI,11) //ITS tracker MI
340 : };
341 :
342 :
343 :
344 :
345 : /////////////////////////////////////////////////////////
346 : /////////////////////////////////////////////////////////
347 : /////////////////////////////////////////////////////////
348 :
349 :
350 :
351 :
352 :
353 : inline void AliITStrackerMI::SetupFirstPass(const Int_t *flags,const Double_t *cuts) {
354 : // This function sets up flags and cuts for the first tracking pass
355 : //
356 : // flags[0] - vertex constaint flag
357 : // negative means "skip the pass"
358 : // 0 means "no constraint"
359 : // positive means "normal constraint"
360 :
361 0 : fConstraint[0]=flags[0];
362 : if (!cuts) return;
363 0 : }
364 :
365 : inline void AliITStrackerMI::SetupSecondPass(const Int_t *flags,const Double_t *cuts) {
366 : // This function sets up flags and cuts for the second tracking pass
367 : //
368 : // flags[0] - vertex constaint flag
369 : // negative means "skip the pass"
370 : // 0 means "no constraint"
371 : // positive means "normal constraint"
372 :
373 0 : fConstraint[1]=flags[0];
374 : if (!cuts) return;
375 0 : }
376 :
377 : inline void AliITStrackerMI::CookLabel(AliKalmanTrack *t,Float_t wrong) const {
378 : //--------------------------------------------------------------------
379 : //This function "cooks" a track label. If label<0, this track is fake.
380 : //--------------------------------------------------------------------
381 32 : Int_t tpcLabel=t->GetLabel();
382 16 : if (tpcLabel<0) return;
383 16 : AliTracker::CookLabel(t,wrong);
384 16 : if (tpcLabel!=TMath::Abs(t->GetLabel())){
385 16 : t->SetFakeRatio(1.);
386 16 : }
387 16 : if (tpcLabel !=t->GetLabel()) {
388 16 : t->SetLabel(-tpcLabel);
389 16 : }
390 32 : }
391 :
392 : inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackMI * track, Int_t layer)
393 : {
394 : //--------------------------------------------------------------------
395 : //get normalize chi2
396 : //--------------------------------------------------------------------
397 20628 : track->SetNormChi2(layer,2.*track->GetNSkipped()+0.25*track->GetNDeadZone()+track->GetdEdxMismatch()+track->GetChi2()/
398 : //track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->fChi22/
399 13752 : TMath::Max(double(track->GetNumberOfClusters()-track->GetNSkipped()),
400 6876 : 1./(1.+track->GetNSkipped())));
401 6876 : return track->GetNormChi2(layer);
402 : }
403 : inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const
404 : {
405 : //
406 : // get cluster coordinates in global cooordinate
407 : //
408 : xyz[2] = cl->GetZ();
409 : xyz[0] = fR*fCosPhi - cl->GetY()*fSinPhi;
410 : xyz[1] = fR*fSinPhi + cl->GetY()*fCosPhi;
411 : }
412 : #endif
413 :
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