1 #ifndef ALITPCTRACKERMI_H
2 #define ALITPCTRACKERMI_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 //-------------------------------------------------------
14 //-------------------------------------------------------
17 #include "AliTracker.h"
18 #include "AliTPCreco.h"
20 #include "AliTPCclusterMI.h"
21 #include "AliTPCtrackerSector.h"
27 class AliTPCTrackerPoint;
31 class TTreeSRedirector;
36 class AliTPCtrackerMI : public AliTracker {
39 AliTPCtrackerMI(const AliTPCParam *par);
40 virtual ~AliTPCtrackerMI();
42 void SetIteration(Int_t iteration){fIteration = iteration;}
43 virtual Int_t Clusters2Tracks (AliESDEvent *esd);
44 virtual Int_t RefitInward (AliESDEvent *esd);
45 virtual Int_t LoadClusters (TTree * tree);
46 virtual Int_t LoadClusters (TObjArray * arr); // another input
47 virtual Int_t LoadClusters (TClonesArray * arr); // another input
49 void UnloadClusters();
50 Int_t LoadInnerSectors();
51 Int_t LoadOuterSectors();
52 virtual void FillClusterArray(TObjArray* array) const;
53 void Transform(AliTPCclusterMI * cluster);
55 void FillESD(TObjArray* arr);
57 void SetDebug(Int_t debug){ fDebug = debug;}
58 void FindKinks(TObjArray * array, AliESDEvent * esd);
60 void FindCurling(TObjArray * array, AliESDEvent * esd, Int_t iter);
61 void FindSplitted(TObjArray * array, AliESDEvent * esd, Int_t iter);
62 void FindMultiMC(TObjArray * array, AliESDEvent * esd, Int_t iter);
64 void FindV0s(TObjArray * array, AliESDEvent * esd);
65 void UpdateKinkQualityM(AliTPCseed * seed);
66 void UpdateKinkQualityD(AliTPCseed * seed);
67 Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
68 Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
69 Int_t ReadSeeds(const TFile *in);
70 TObjArray * GetSeeds(){return fSeeds;}
72 AliCluster * GetCluster(Int_t index) const {return (AliCluster*)GetClusterMI(index);}
73 AliTPCclusterMI *GetClusterMI(Int_t index) const;
74 Int_t Clusters2Tracks();
75 virtual void CookLabel(AliKalmanTrack *tk,Float_t wrong) const;
76 virtual Int_t CookLabel(AliTPCseed *t,Float_t wrong, Int_t first,Int_t last ) const;
78 void RotateToLocal(AliTPCseed *seed);
80 Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1);
81 Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p ) const;
83 Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf);
84 Int_t FollowToNext(AliTPCseed& t, Int_t nr);
85 Int_t UpdateClusters(AliTPCseed& t, Int_t nr);
86 Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);
88 Int_t PropagateBack(TObjArray * arr);
89 Int_t PropagateBack(AliESDEvent * event);
90 Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1);
91 Int_t PropagateForward();
92 Int_t PropagateForward2(TObjArray * arr);
94 void SortTracks(TObjArray * arr, Int_t mode) const;
96 virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
97 virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
99 Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
100 Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
101 Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
102 Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
104 Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2);
105 Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2,
107 Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z);
112 Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
113 void SignShared(AliTPCseed * s1, AliTPCseed * s2);
114 void SignShared(TObjArray * arr);
116 void RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal);
118 void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
119 void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
120 Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster);
123 Bool_t IsFindable(AliTPCseed & t);
124 AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor
125 AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
126 void AddCovariance(AliTPCseed * seed); // add covariance
128 inline AliTPCtrackerRow &GetRow(Int_t sec, Int_t row);
129 inline Bool_t IsActive(Int_t sec, Int_t row);
130 inline Double_t GetXrow(Int_t row) const;
131 inline Double_t GetMaxY(Int_t row) const;
132 inline Int_t GetRowNumber(Double_t x) const;
133 Int_t GetRowNumber(Double_t x[3]) const;
134 inline Double_t GetPadPitchLength(Double_t x) const;
135 inline Double_t GetPadPitchLength(Int_t row) const;
137 void GetShape(AliTPCseed * seed, Int_t row);
139 void ReadSeeds(AliESDEvent *event, Int_t direction); //read seeds from the event
141 void MakeSeeds3(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1, Int_t ddsec=0);
142 void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);
144 void MakeSeeds2(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1, Bool_t bconstrain=kTRUE);
147 AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
148 AliTPCseed *ReSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
149 AliTPCseed *ReSeed(AliTPCseed *t, Int_t r0, Bool_t forward); //reseed
153 AliTPCseed * ReSeed(AliTPCseed *t);
154 //Int_t LoadInnerSectors();
155 //Int_t LoadOuterSectors();
156 void UnsignClusters();
157 void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);
159 void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast);
160 void Tracking(TObjArray * arr);
161 TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
162 TObjArray * Tracking();
163 TObjArray * TrackingSpecial();
164 void SumTracks(TObjArray *arr1,TObjArray *&arr2) const;
165 void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
166 void PrepareForProlongation(TObjArray * arr, Float_t fac) const;
168 void SetSampledEdx(AliTPCseed */*t*/, Float_t /*q*/, Int_t /*i*/) {;}
169 Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
171 void MakeBitmaps(AliTPCseed *t);
173 const Int_t fkNIS; //number of inner sectors
174 AliTPCtrackerSector *fInnerSec; //array of inner sectors;
175 const Int_t fkNOS; //number of outer sectors
176 AliTPCtrackerSector *fOuterSec; //array of outer sectors;
178 Int_t fN; //number of loaded sectors
179 AliTPCtrackerSector *fSectors; //pointer to loaded sectors;
181 TTree * fInput; // input tree with clusters
182 TTree * fOutput; // output tree with tracks
183 TTree * fSeedTree; // output tree with seeds - filled in debug mode 1
184 TTree * fTreeDebug; // output with a debug information about track
185 AliESDEvent * fEvent; // output with esd tracks
186 Int_t fDebug; // debug option
187 Bool_t fNewIO; // indicated if we have data using New IO
188 Int_t fNtracks; //current number of tracks
189 TObjArray *fSeeds; //array of track seeds
190 Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward
191 // TObjArray * fTrackPointPool; // ! pool with track points
192 // TObjArray * fSeedPool; //! pool with seeds
193 Double_t fXRow[200]; // radius of the pad row
194 Double_t fYMax[200]; // max y for given pad row
195 Double_t fPadLength[200]; // max y for given pad row
196 const AliTPCParam *fParam; //pointer to the parameters
197 TTreeSRedirector *fDebugStreamer; //!debug streamer
198 ClassDef(AliTPCtrackerMI,2)
202 AliTPCtrackerRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row)
205 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
208 Bool_t AliTPCtrackerMI::IsActive(Int_t sec, Int_t row)
211 // check if the given sector row is active
213 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()].GetN()>0:fInnerSec[sec][row].GetN()>0;
217 Double_t AliTPCtrackerMI::GetXrow(Int_t row) const {
218 // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
222 Double_t AliTPCtrackerMI::GetMaxY(Int_t row) const {
223 //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
227 Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const
230 return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
233 Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) const
236 return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
237 //return fPadLength[row];
240 Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) const
243 return fPadLength[row];