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"
25 class AliTPCclusterMI;
26 class AliTPCTrackerPoint;
30 class TTreeSRedirector;
33 class AliTPCtrackerMI : public AliTracker {
35 AliTPCtrackerMI():AliTracker(),fkNIS(0),fkNOS(0) {
36 fInnerSec=fOuterSec=0; fSeeds=0;
38 AliTPCtrackerMI(const AliTPCParam *par);
39 AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor
40 AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
41 virtual ~AliTPCtrackerMI();
43 void SetIteration(Int_t iteration){fIteration = iteration;}
44 virtual Int_t Clusters2Tracks (AliESD *esd);
45 virtual Int_t RefitInward (AliESD *esd);
46 virtual Int_t LoadClusters (TTree * tree);
48 void UnloadClusters();
51 void SetIO(); //set default IO from folders
52 void SetIO(TTree * input, TTree * output, AliESD * event);
53 void FillESD(TObjArray* arr);
55 void WriteTracks(TTree * tree);
57 void SetDebug(Int_t debug){ fDebug = debug;}
58 void FindKinks(TObjArray * array, AliESD * esd);
59 void FindV0s(TObjArray * array, AliESD * esd);
60 void UpdateKinkQualityM(AliTPCseed * seed);
61 void UpdateKinkQualityD(AliTPCseed * seed);
62 Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
63 Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink);
64 Int_t ReadSeeds(const TFile *in);
65 TObjArray * GetSeeds(){return fSeeds;}
67 AliCluster * GetCluster (int) const {return 0;}
68 AliTPCclusterMI *GetClusterMI(Int_t index) const;
69 Int_t Clusters2Tracks();
70 virtual void CookLabel(AliTPCseed *t,Float_t wrong) const;
71 virtual Int_t CookLabel(AliTPCseed *t,Float_t wrong, Int_t first,Int_t last ) const;
73 void RotateToLocal(AliTPCseed *seed);
76 Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1);
77 Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1);
79 Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf);
80 Int_t FollowToNext(AliTPCseed& t, Int_t nr);
81 Int_t FollowToNextFast(AliTPCseed& t, Int_t nr);
82 Int_t UpdateClusters(AliTPCseed& t, Int_t nr);
83 Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);
85 Int_t PropagateBack(TObjArray * arr);
86 Int_t PropagateBack(AliESD * event);
87 Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1);
88 Int_t PropagateForward();
89 Int_t PropagateForward2(TObjArray * arr);
91 void SortTracks(TObjArray * arr, Int_t mode) const;
94 virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
95 virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
97 Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
98 Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
99 Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
100 Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
102 Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2);
103 Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2,
105 Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z);
108 //**************** Internal tracker class **********************
111 friend class AliTPCtrackerMI;
112 friend class AliTPCtrackerMI::AliTPCSector;
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;
125 AliTPCclusterMI * FindNearest3(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
127 void SetX(Double_t x) {fX=x;}
128 Double_t GetX() const {return fX;}
130 AliTPCRow & operator=(const AliTPCRow & );
131 AliTPCRow(const AliTPCRow& /*r*/); //dummy copy constructor
132 Float_t fDeadZone; // the width of the dead zone
133 AliTPCclusterMI *fClusters1; //array with clusters 1
134 Int_t fN1; //number of clusters on left side
135 AliTPCclusterMI *fClusters2; //array with clusters 2
136 Int_t fN2; // number of clusters on right side of the TPC
137 Short_t fFastCluster[510]; //index of the nearest cluster at given position
138 Int_t fN; //number of clusters
139 const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters
140 // indexes for cluster at given position z
141 // AliTPCclusterMI *fClustersArray; //
142 UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters
143 Double_t fX; //X-coordinate of this row
147 //**************** Internal tracker class **********************
149 friend class AliTPCtrackerMI;
151 AliTPCSector() { fN=0; fRow = 0; }
152 ~AliTPCSector() { delete[] fRow; }
153 AliTPCRow& operator[](Int_t i) const { return *(fRow+i); }
154 Int_t GetNRows() const { return fN; }
155 void Setup(const AliTPCParam *par, Int_t flag);
156 Double_t GetX(Int_t l) const {return fRow[l].GetX();}
157 Double_t GetMaxY(Int_t l) const {
158 return GetX(l)*TMath::Tan(0.5*GetAlpha());
160 Double_t GetAlpha() const {return fAlpha;}
161 Double_t GetAlphaShift() const {return fAlphaShift;}
162 //Int_t GetFirst(){return fFirstRow;}
163 Int_t GetRowNumber(Double_t x) const;
164 Double_t GetPadPitchWidth() const {return fPadPitchWidth;}
165 Double_t GetPadPitchLength() const {return fPadPitchLength;}
166 Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;}
169 AliTPCSector & operator=(const AliTPCSector & );
170 AliTPCSector(const AliTPCSector &/*s*/); //dummy copy contructor
171 Int_t fN; //number of pad rows
172 //Int_t fFirstRow; //offset
173 AliTPCRow *fRow; //array of pad rows
174 Double_t fAlpha; //opening angle
175 Double_t fAlphaShift; //shift angle;
176 Double_t fPadPitchWidth; //pad pitch width
177 Double_t fPadPitchLength; //pad pitch length
178 Double_t f1PadPitchLength; //pad pitch length
179 Double_t f2PadPitchLength; //pad pitch length
183 Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
184 void SignShared(AliTPCseed * s1, AliTPCseed * s2);
185 void SignShared(TObjArray * arr);
187 void RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
188 void RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal);
189 void RemoveDouble(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
191 void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
192 void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
193 Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.);
196 inline AliTPCRow &GetRow(Int_t sec, Int_t row);
197 inline Double_t GetXrow(Int_t row) const;
198 inline Double_t GetMaxY(Int_t row) const;
199 inline Int_t GetRowNumber(Double_t x) const;
200 Int_t GetRowNumber(Double_t x[3]) const;
201 inline Double_t GetPadPitchLength(Double_t x) const;
202 inline Double_t GetPadPitchLength(Int_t row) const;
204 Float_t GetSigmaY(AliTPCseed * seed);
205 Float_t GetSigmaZ(AliTPCseed * seed);
206 void GetShape(AliTPCseed * seed, Int_t row);
208 void ReadSeeds(AliESD *event, Int_t direction); //read seeds from the event
210 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);
211 void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);
213 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);
216 AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
217 AliTPCseed *ReSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
218 AliTPCseed *ReSeed(AliTPCseed *t, Int_t r0, Bool_t forward); //reseed
222 AliTPCseed * ReSeed(AliTPCseed *t);
223 Int_t LoadInnerSectors();
224 Int_t LoadOuterSectors();
225 void UnsignClusters();
226 void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);
228 void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast);
229 void Tracking(TObjArray * arr);
230 TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
231 TObjArray * Tracking();
232 void SumTracks(TObjArray *arr1,TObjArray *arr2) const;
233 void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
234 void PrepareForProlongation(TObjArray * arr, Float_t fac) const;
236 void SetSampledEdx(AliTPCseed */*t*/, Float_t /*q*/, Int_t /*i*/) {;}
237 Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
240 const Int_t fkNIS; //number of inner sectors
241 AliTPCSector *fInnerSec; //array of inner sectors;
242 const Int_t fkNOS; //number of outer sectors
243 AliTPCSector *fOuterSec; //array of outer sectors;
245 Int_t fN; //number of loaded sectors
246 AliTPCSector *fSectors; //pointer to loaded sectors;
248 TTree * fInput; // input tree with clusters
249 TTree * fOutput; // output tree with tracks
250 TTree * fSeedTree; // output tree with seeds - filled in debug mode 1
251 TTree * fTreeDebug; // output with a debug information about track
252 AliESD * fEvent; // output with esd tracks
253 Int_t fDebug; // debug option
254 Bool_t fNewIO; // indicated if we have data using New IO
255 Int_t fNtracks; //current number of tracks
256 TObjArray *fSeeds; //array of track seeds
257 Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward
258 // TObjArray * fTrackPointPool; // ! pool with track points
259 // TObjArray * fSeedPool; //! pool with seeds
260 Double_t fXRow[200]; // radius of the pad row
261 Double_t fYMax[200]; // max y for given pad row
262 Double_t fPadLength[200]; // max y for given pad row
263 const AliTPCParam *fParam; //pointer to the parameters
264 TTreeSRedirector *fDebugStreamer; //!debug streamer
265 ClassDef(AliTPCtrackerMI,1)
269 AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row)
272 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
275 Double_t AliTPCtrackerMI::GetXrow(Int_t row) const {
276 // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
280 Double_t AliTPCtrackerMI::GetMaxY(Int_t row) const {
281 //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
285 Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const
288 return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
291 Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) const
294 return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
295 //return fPadLength[row];
298 Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) const
301 return fPadLength[row];