1 #ifndef ALITPCTRACKER_H
2 #define ALITPCTRACKER_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"
19 #include "AliTPCclusterMI.h"
20 #include "AliTPCtrackerSector.h"
21 #include "AliESDfriend.h"
28 class AliTPCTrackerPoint;
33 class TTreeSRedirector;
35 class AliDCSSensorArray;
40 class AliTPCtracker : public AliTracker {
43 AliTPCtracker(const AliTPCParam *par);
44 virtual ~AliTPCtracker();
46 void SetIteration(Int_t iteration){fIteration = iteration;}
47 virtual Int_t Clusters2TracksHLT(AliESDEvent *const esd, const AliESDEvent *hltEvent);
48 virtual Int_t Clusters2Tracks (AliESDEvent *const esd);
49 virtual Int_t RefitInward (AliESDEvent *esd);
50 virtual Int_t LoadClusters (TTree * const tree);
51 virtual Int_t LoadClusters (const TObjArray * arr); // another input
52 virtual Int_t LoadClusters (const TClonesArray * arr); // another input
53 virtual Int_t PostProcess(AliESDEvent *esd);
55 void UnloadClusters();
56 Int_t LoadInnerSectors();
57 Int_t LoadOuterSectors();
58 virtual void FillClusterArray(TObjArray* array) const;
59 void Transform(AliTPCclusterMI * cluster);
60 void ApplyTailCancellation();
61 void GetTailValue(const Float_t ampfactor,Double_t &ionTailMax,Double_t &ionTailTotal,TGraphErrors **graphRes,Float_t *indexAmpGraphs,AliTPCclusterMI *cl0,AliTPCclusterMI *cl1);
63 void FillESD(const TObjArray* arr);
65 void SetDebug(Int_t debug){ fDebug = debug;}
66 void FindKinks(TObjArray * array, AliESDEvent * esd);
68 void FindCurling(const TObjArray * array, AliESDEvent * esd, Int_t iter);
69 void FindSplitted(TObjArray * array, AliESDEvent * esd, Int_t iter);
70 void FindMultiMC(const TObjArray * array, AliESDEvent * esd, Int_t iter);
72 void UpdateKinkQualityM(AliTPCseed * seed);
73 void UpdateKinkQualityD(AliTPCseed * seed);
74 Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, const AliESDkink &kink);
75 Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, const AliESDkink &kink);
76 Int_t ReadSeeds(const TFile *in);
77 TObjArray * GetSeeds() const {return fSeeds;}
78 void SetSeeds(TObjArray * seeds) { fSeeds = seeds;}
80 AliCluster * GetCluster(Int_t index) const {return (AliCluster*)GetClusterMI(index);}
81 AliTPCclusterMI *GetClusterMI(Int_t index) const;
82 Int_t Clusters2Tracks();
83 virtual void CookLabel(AliKalmanTrack *tk,Float_t wrong) const;
84 virtual Int_t CookLabel(AliTPCseed *const t,Float_t wrong, Int_t first,Int_t last ) const;
86 void RotateToLocal(AliTPCseed *seed);
88 Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1, Bool_t fromSeeds=0);
89 Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p ) const;
91 Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf, Bool_t fromSeeds=0);
92 Int_t FollowToNext(AliTPCseed& t, Int_t nr);
93 Int_t UpdateClusters(AliTPCseed& t, Int_t nr);
94 Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);
96 Int_t PropagateBack(const TObjArray *const arr);
97 Int_t PropagateBack(AliESDEvent * event);
98 Int_t PropagateBack(AliTPCseed *const pt, Int_t row0, Int_t row1);
99 Int_t PropagateForward();
100 Int_t PropagateForward2(const TObjArray *const arr);
102 void SortTracks(TObjArray * arr, Int_t mode) const;
104 virtual Double_t ErrY2(AliTPCseed* seed, const AliTPCclusterMI * cl = 0);
105 virtual Double_t ErrZ2(AliTPCseed* seed, const AliTPCclusterMI * cl = 0);
107 Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3) const;
108 Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3) const;
109 Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3) const;
110 Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3) const;
112 Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2) const;
113 Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2,
115 Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z) const;
117 void ResetSeedsPool();
118 void MarkSeedFree( TObject* seed );
119 TObject *&NextFreeSeed();
122 void SetUseHLTClusters(Int_t useHLTClusters) {fUseHLTClusters = useHLTClusters;} // set usage from HLT clusters from rec.C options
124 inline void SetTPCtrackerSectors(AliTPCtrackerSector *innerSec, AliTPCtrackerSector *outerSec); // set the AliTPCtrackerSector arrays from outside (toy MC)
126 Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
127 void SignShared(AliTPCseed * s1, AliTPCseed * s2);
128 void SignShared(TObjArray * arr);
130 void RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal);
132 Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster);
134 Bool_t IsTPCHVDipEvent(AliESDEvent const *esdEvent);
136 // public for ToyMC usage
137 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);
138 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);
139 void SumTracks(TObjArray *arr1,TObjArray *&arr2);
140 void SignClusters(const TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);
143 Bool_t IsFindable(AliTPCseed & t);
144 AliTPCtracker(const AliTPCtracker& r); //dummy copy constructor
145 AliTPCtracker &operator=(const AliTPCtracker& r);//dummy assignment operator
146 void AddCovariance(AliTPCseed * seed); // add covariance
147 void AddCovarianceAdd(AliTPCseed * seed); // add covariance
149 inline AliTPCtrackerRow &GetRow(Int_t sec, Int_t row);
150 inline Bool_t IsActive(Int_t sec, Int_t row);
151 inline Double_t GetXrow(Int_t row) const;
152 inline Double_t GetMaxY(Int_t row) const;
153 inline Int_t GetRowNumber(Double_t x) const;
154 Int_t GetRowNumber(Double_t x[3]) const;
155 inline Double_t GetPadPitchLength(Double_t x) const;
156 inline Double_t GetPadPitchLength(Int_t row) const;
158 void GetShape(AliTPCseed * seed, Int_t row);
160 void ReadSeeds(const AliESDEvent *const event, Int_t direction); //read seeds from the event
162 void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);
165 AliTPCseed *MakeSeed(AliTPCseed *const track, Float_t r0, Float_t r1, Float_t r2); //reseed
166 AliTPCseed *ReSeed(const AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
167 AliTPCseed *ReSeed(AliTPCseed *t, Int_t r0, Bool_t forward); //reseed
171 AliTPCseed * ReSeed(AliTPCseed *t);
172 //Int_t LoadInnerSectors();
173 //Int_t LoadOuterSectors();
174 void DumpClusters(Int_t iter, TObjArray *trackArray);
175 void UnsignClusters();
177 void FillClusterOccupancyInfo();
179 void ParallelTracking(TObjArray *const arr, Int_t rfirst, Int_t rlast);
180 void Tracking(TObjArray * arr);
181 TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
182 TObjArray * Tracking();
183 TObjArray * TrackingSpecial();
184 void PrepareForBackProlongation(const TObjArray *const arr, Float_t fac) const;
185 void PrepareForProlongation(TObjArray *const arr, Float_t fac) const;
187 Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
189 void MakeESDBitmaps(AliTPCseed *t, AliESDtrack *esd);
191 Int_t PropagateToRowHLT(AliTPCseed *pt, int nrow);
192 void TrackFollowingHLT(TObjArray *const arr);
193 TObjArray * MakeSeedsHLT(const AliESDEvent *hltEvent);
195 const Int_t fkNIS; //number of inner sectors
196 AliTPCtrackerSector *fInnerSec; //array of inner sectors;
197 const Int_t fkNOS; //number of outer sectors
198 AliTPCtrackerSector *fOuterSec; //array of outer sectors;
200 Int_t fN; //number of loaded sectors
201 AliTPCtrackerSector *fSectors; //pointer to loaded sectors;
203 TTree * fInput; // input tree with clusters
204 TTree * fOutput; // output tree with tracks
205 TTree * fSeedTree; // output tree with seeds - filled in debug mode 1
206 TTree * fTreeDebug; // output with a debug information about track
207 AliESDEvent * fEvent; // output with esd tracks
208 const AliESDEvent * fEventHLT; // input with HLT tracks
209 Int_t fDebug; // debug option
210 Bool_t fNewIO; // indicated if we have data using New IO
211 Int_t fNtracks; //current number of tracks
212 TObjArray *fSeeds; //array of track seeds
213 Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward
214 // TObjArray * fTrackPointPool; // ! pool with track points
215 Double_t fXRow[200]; // radius of the pad row
216 Double_t fYMax[200]; // max y for given pad row
217 Double_t fPadLength[200]; // max y for given pad row
218 const AliTPCParam *fkParam; //pointer to the parameters
219 TTreeSRedirector *fDebugStreamer; //!debug streamer
220 Int_t fUseHLTClusters; // use HLT clusters instead of offline clusters
222 TClonesArray* fSeedsPool; //! pool of seeds
223 TArrayI fFreeSeedsID; //! array of ID's of freed seeds
224 Int_t fNFreeSeeds; //! number of seeds freed in the pool
225 Int_t fLastSeedID; //! id of the pool seed on which is returned by the NextFreeSeed method
227 ClassDef(AliTPCtracker,4)
231 AliTPCtrackerRow & AliTPCtracker::GetRow(Int_t sec, Int_t row)
234 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
237 Bool_t AliTPCtracker::IsActive(Int_t sec, Int_t row)
240 // check if the given sector row is active
242 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()].GetN()>0:fInnerSec[sec][row].GetN()>0;
246 Double_t AliTPCtracker::GetXrow(Int_t row) const {
247 // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
251 Double_t AliTPCtracker::GetMaxY(Int_t row) const {
252 //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
256 Int_t AliTPCtracker::GetRowNumber(Double_t x) const
259 return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
262 Double_t AliTPCtracker::GetPadPitchLength(Double_t x) const
265 return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
266 //return fPadLength[row];
269 Double_t AliTPCtracker::GetPadPitchLength(Int_t row) const
272 return fPadLength[row];
275 void AliTPCtracker::SetTPCtrackerSectors(AliTPCtrackerSector *innerSec, AliTPCtrackerSector *outerSec)
278 fInnerSec = innerSec;
279 fOuterSec = outerSec;