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"
26 class AliTPCTrackerPoint;
30 class TTreeSRedirector;
33 class AliTPCtrackerMI : public AliTracker {
36 AliTPCtrackerMI(const AliTPCParam *par);
37 virtual ~AliTPCtrackerMI();
39 void SetIteration(Int_t iteration){fIteration = iteration;}
40 virtual Int_t Clusters2Tracks (AliESDEvent *esd);
41 virtual Int_t RefitInward (AliESDEvent *esd);
42 virtual Int_t LoadClusters (TTree * tree);
44 void UnloadClusters();
45 void Transform(AliTPCclusterMI * cluster);
47 void SetIO(); //set default IO from folders
48 void SetIO(TTree * input, TTree * output, AliESDEvent * event);
49 void FillESD(TObjArray* arr);
51 void WriteTracks(TTree * tree);
53 void SetDebug(Int_t debug){ fDebug = debug;}
54 void FindKinks(TObjArray * array, AliESDEvent * esd);
56 void FindCurling(TObjArray * array, AliESDEvent * esd, Int_t iter);
57 void FindSplitted(TObjArray * array, AliESDEvent * esd, Int_t iter);
58 void FindMultiMC(TObjArray * array, AliESDEvent * esd, Int_t iter);
60 void FindV0s(TObjArray * array, AliESDEvent * esd);
61 void UpdateKinkQualityM(AliTPCseed * seed);
62 void UpdateKinkQualityD(AliTPCseed * seed);
63 Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
64 Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
65 Int_t ReadSeeds(const TFile *in);
66 TObjArray * GetSeeds(){return fSeeds;}
68 AliCluster * GetCluster(Int_t index) const {return (AliCluster*)GetClusterMI(index);}
69 AliTPCclusterMI *GetClusterMI(Int_t index) const;
70 Int_t Clusters2Tracks();
71 virtual void CookLabel(AliKalmanTrack *tk,Float_t wrong) const;
72 virtual Int_t CookLabel(AliTPCseed *t,Float_t wrong, Int_t first,Int_t last ) const;
74 void RotateToLocal(AliTPCseed *seed);
77 Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1);
78 Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1);
79 Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p ) const;
81 Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf);
82 Int_t FollowToNext(AliTPCseed& t, Int_t nr);
83 Int_t FollowToNextFast(AliTPCseed& t, Int_t nr);
84 Int_t UpdateClusters(AliTPCseed& t, Int_t nr);
85 Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);
87 Int_t PropagateBack(TObjArray * arr);
88 Int_t PropagateBack(AliESDEvent * event);
89 Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1);
90 Int_t PropagateForward();
91 Int_t PropagateForward2(TObjArray * arr);
93 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);
110 //**************** Internal tracker class **********************
116 void InsertCluster(const AliTPCclusterMI *c, UInt_t index);
117 void ResetClusters();
118 operator int() const {return fN;}
119 Int_t GetN() const {return fN;}
120 const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];}
121 UInt_t GetIndex(Int_t i) const {return fIndex[i];}
122 inline Int_t Find(Double_t z) const;
123 AliTPCclusterMI * FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const;
124 AliTPCclusterMI * FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
126 void SetX(Double_t x) {fX=x;}
127 Double_t GetX() const {return fX;}
128 Float_t GetDeadZone() const {return fDeadZone;}
129 void SetDeadZone(Float_t d) {fDeadZone=d;}
130 Int_t GetN1() const {return fN1;}
131 void SetN1(Int_t n) {fN1=n;}
132 Int_t GetN2() const {return fN2;}
133 void SetN2(Int_t n) {fN2=n;}
134 AliTPCclusterMI* GetClusters1() const {return fClusters1;}
135 AliTPCclusterMI* GetClusters2() const {return fClusters2;}
136 void SetClusters1(AliTPCclusterMI* cl) {fClusters1=cl;}
137 void SetClusters2(AliTPCclusterMI* cl) {fClusters2=cl;}
138 void SetCluster1(Int_t i, const AliTPCclusterMI &cl) {fClusters1[i]=cl;}
139 void SetCluster2(Int_t i, const AliTPCclusterMI &cl) {fClusters2[i]=cl;}
140 AliTPCclusterMI* GetCluster1(Int_t i) const {return &fClusters1[i];}
141 AliTPCclusterMI* GetCluster2(Int_t i) const {return &fClusters2[i];}
142 Short_t GetFastCluster(Int_t i) const {return fFastCluster[i];}
143 void SetFastCluster(Int_t i, Short_t cl) {fFastCluster[i]=cl;}
146 AliTPCRow & operator=(const AliTPCRow & );
147 AliTPCRow(const AliTPCRow& /*r*/); //dummy copy constructor
148 Float_t fDeadZone; // the width of the dead zone
149 AliTPCclusterMI *fClusters1; //array with clusters 1
150 Int_t fN1; //number of clusters on left side
151 AliTPCclusterMI *fClusters2; //array with clusters 2
152 Int_t fN2; // number of clusters on right side of the TPC
153 Short_t fFastCluster[510]; //index of the nearest cluster at given position
154 Int_t fN; //number of clusters
155 const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters
156 // indexes for cluster at given position z
157 // AliTPCclusterMI *fClustersArray; //
158 UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters
159 Double_t fX; //X-coordinate of this row
163 //**************** Internal tracker class **********************
173 f1PadPitchLength(0.),
174 f2PadPitchLength(0.){}
175 ~AliTPCSector() { delete[] fRow; }
176 AliTPCRow& operator[](Int_t i) const { return *(fRow+i); }
177 Int_t GetNRows() const { return fN; }
178 void Setup(const AliTPCParam *par, Int_t flag);
179 Double_t GetX(Int_t l) const {return fRow[l].GetX();}
180 Double_t GetMaxY(Int_t l) const {
181 return GetX(l)*TMath::Tan(0.5*GetAlpha());
183 Double_t GetAlpha() const {return fAlpha;}
184 Double_t GetAlphaShift() const {return fAlphaShift;}
185 //Int_t GetFirst(){return fFirstRow;}
186 Int_t GetRowNumber(Double_t x) const;
187 Double_t GetPadPitchWidth() const {return fPadPitchWidth;}
188 Double_t GetPadPitchLength() const {return fPadPitchLength;}
189 Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;}
192 AliTPCSector & operator=(const AliTPCSector & );
193 AliTPCSector(const AliTPCSector &/*s*/); //dummy copy contructor
194 Int_t fN; //number of pad rows
195 //Int_t fFirstRow; //offset
196 AliTPCRow *fRow; //array of pad rows
197 Double_t fAlpha; //opening angle
198 Double_t fAlphaShift; //shift angle;
199 Double_t fPadPitchWidth; //pad pitch width
200 Double_t fPadPitchLength; //pad pitch length
201 Double_t f1PadPitchLength; //pad pitch length
202 Double_t f2PadPitchLength; //pad pitch length
206 Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
207 void SignShared(AliTPCseed * s1, AliTPCseed * s2);
208 void SignShared(TObjArray * arr);
210 void RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal);
212 void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
213 void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
214 Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.);
217 AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor
218 AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
219 inline AliTPCRow &GetRow(Int_t sec, Int_t row);
220 inline Bool_t IsActive(Int_t sec, Int_t row);
221 inline Double_t GetXrow(Int_t row) const;
222 inline Double_t GetMaxY(Int_t row) const;
223 inline Int_t GetRowNumber(Double_t x) const;
224 Int_t GetRowNumber(Double_t x[3]) const;
225 inline Double_t GetPadPitchLength(Double_t x) const;
226 inline Double_t GetPadPitchLength(Int_t row) const;
228 Float_t GetSigmaY(AliTPCseed * seed);
229 Float_t GetSigmaZ(AliTPCseed * seed);
230 void GetShape(AliTPCseed * seed, Int_t row);
232 void ReadSeeds(AliESDEvent *event, Int_t direction); //read seeds from the event
234 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);
235 void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);
237 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);
240 AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
241 AliTPCseed *ReSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
242 AliTPCseed *ReSeed(AliTPCseed *t, Int_t r0, Bool_t forward); //reseed
246 AliTPCseed * ReSeed(AliTPCseed *t);
247 Int_t LoadInnerSectors();
248 Int_t LoadOuterSectors();
249 void UnsignClusters();
250 void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);
252 void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast);
253 void Tracking(TObjArray * arr);
254 TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
255 TObjArray * Tracking();
256 TObjArray * TrackingSpecial();
257 void SumTracks(TObjArray *arr1,TObjArray *&arr2) const;
258 void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
259 void PrepareForProlongation(TObjArray * arr, Float_t fac) const;
261 void SetSampledEdx(AliTPCseed */*t*/, Float_t /*q*/, Int_t /*i*/) {;}
262 Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
264 void MakeBitmaps(AliTPCseed *t);
266 const Int_t fkNIS; //number of inner sectors
267 AliTPCSector *fInnerSec; //array of inner sectors;
268 const Int_t fkNOS; //number of outer sectors
269 AliTPCSector *fOuterSec; //array of outer sectors;
271 Int_t fN; //number of loaded sectors
272 AliTPCSector *fSectors; //pointer to loaded sectors;
274 TTree * fInput; // input tree with clusters
275 TTree * fOutput; // output tree with tracks
276 TTree * fSeedTree; // output tree with seeds - filled in debug mode 1
277 TTree * fTreeDebug; // output with a debug information about track
278 AliESDEvent * fEvent; // output with esd tracks
279 Int_t fDebug; // debug option
280 Bool_t fNewIO; // indicated if we have data using New IO
281 Int_t fNtracks; //current number of tracks
282 TObjArray *fSeeds; //array of track seeds
283 Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward
284 // TObjArray * fTrackPointPool; // ! pool with track points
285 // TObjArray * fSeedPool; //! pool with seeds
286 Double_t fXRow[200]; // radius of the pad row
287 Double_t fYMax[200]; // max y for given pad row
288 Double_t fPadLength[200]; // max y for given pad row
289 const AliTPCParam *fParam; //pointer to the parameters
290 TTreeSRedirector *fDebugStreamer; //!debug streamer
291 ClassDef(AliTPCtrackerMI,2)
295 AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row)
298 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
301 Bool_t AliTPCtrackerMI::IsActive(Int_t sec, Int_t row)
304 // check if the given sector row is active
306 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()].GetN()>0:fInnerSec[sec][row].GetN()>0;
310 Double_t AliTPCtrackerMI::GetXrow(Int_t row) const {
311 // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
315 Double_t AliTPCtrackerMI::GetMaxY(Int_t row) const {
316 //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
320 Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const
323 return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
326 Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) const
329 return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
330 //return fPadLength[row];
333 Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) const
336 return fPadLength[row];