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 //-------------------------------------------------------
18 #include "AliTracker.h"
19 #include "AliTPCtrack.h"
20 #include "AliComplexCluster.h"
25 class AliTPCclusterMI;
26 class AliTPCTrackerPoint;
30 class AliTPCseed : public AliTPCtrack {
31 friend class AliTPCtrackerMI;
34 virtual ~AliTPCseed();
35 AliTPCseed(const AliTPCtrack &t);
36 AliTPCseed(const AliKalmanTrack &t, Double_t a);
37 Int_t Compare(const TObject *o) const;
38 void Reset(Bool_t all = kTRUE);
39 Int_t GetProlongation(Double_t xr, Double_t &y, Double_t & z) const;
40 virtual Double_t GetPredictedChi2(const AliTPCclusterMI *cluster) const;
41 virtual Int_t Update(const AliTPCclusterMI* c, Double_t chi2, UInt_t i);
42 AliTPCTrackerPoint * GetTrackPoint(Int_t i);
43 void RebuildSeed(); // rebuild seed to be ready for storing
44 AliTPCseed(UInt_t index, const Double_t xx[5],
45 const Double_t cc[15], Double_t xr, Double_t alpha);
47 Double_t GetDensityFirst(Int_t n);
48 Double_t GetSigma2C() const {return fC44;};
49 void GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2);
51 void Modify(Double_t factor);
52 void SetClusterIndex2(Int_t row, Int_t index) {
55 Int_t GetClusterIndex2(Int_t row) const {
58 Int_t GetClusterSector(Int_t row) const {
60 if (fIndex[row]>=0) pica = ((fIndex[row]&0xff000000)>>24);
64 void SetErrorY2(Float_t sy2){fErrorY2=sy2;}
65 void SetErrorZ2(Float_t sz2){fErrorZ2=sz2;}
66 void CookdEdx(Double_t low=0.05, Double_t up=0.70, Int_t i1=0, Int_t i2=159, Bool_t onlyused = kFALSE);
67 // void CookdEdx2(Double_t low=0.05, Double_t up=0.70);
68 Bool_t IsActive() const { return !(fRemoval);}
69 void Desactivate(Int_t reason){ fRemoval = reason;}
73 AliTPCseed & operator = (const AliTPCseed &)
74 {::Fatal("= operator","Not Implemented\n");return *this;}
75 AliESDtrack * fEsd; //!
76 AliTPCclusterMI* fClusterPointer[160]; //! array of cluster pointers -
77 TClonesArray * fPoints; // array with points along the track
78 TClonesArray * fEPoints; // array with exact points - calculated in special macro not used in tracking
80 Int_t fRow; //!current row number
81 Int_t fSector; //!current sector number
82 Int_t fRelativeSector; //! index of current relative sector
83 Float_t fCurrentSigmaY2; //!expected current cluster sigma Y
84 Float_t fCurrentSigmaZ2; //!expected current cluster sigma Z
85 Float_t fErrorY2; //!sigma of current cluster
86 Float_t fErrorZ2; //!sigma of current cluster
87 AliTPCclusterMI * fCurrentCluster; //!pointer to the current cluster for prolongation
88 Int_t fCurrentClusterIndex1; //! index of the current cluster
89 Bool_t fInDead; //! indicate if the track is in dead zone
90 Bool_t fIsSeeding; //!indicates if it is proces of seeading
91 Int_t fNoCluster; //!indicates number of rows without clusters
92 Int_t fSort; //!indicate criteria for sorting
93 Bool_t fBSigned; //indicates that clusters of this trackes are signed to be used
96 Float_t fDEDX[4]; // dedx according padrows
97 Float_t fSDEDX[4]; // sdedx according padrows
98 Int_t fNCDEDX[4]; // number of clusters for dedx measurment
100 Int_t fSeedType; //seeding type
101 Int_t fSeed1; //first row for seeding
102 Int_t fSeed2; //last row for seeding
103 Int_t fOverlapLabels[12]; //track labels and the length of the overlap
104 Float_t fMAngular; // mean angular factor
105 AliTPCTrackerPoint fTrackPoints[160]; //!track points - array track points
107 ClassDef(AliTPCseed,1)
113 class AliTPCtrackerMI : public AliTracker {
115 AliTPCtrackerMI():AliTracker(),fkNIS(0),fkNOS(0) {
116 fInnerSec=fOuterSec=0; fSeeds=0;
118 AliTPCtrackerMI(const AliTPCParam *par);
119 virtual ~AliTPCtrackerMI();
121 void SetIteration(Int_t iteration){fIteration = iteration;}
122 virtual Int_t Clusters2Tracks (AliESD *esd);
123 virtual Int_t RefitInward (AliESD *esd);
124 virtual Int_t LoadClusters (TTree * tree);
125 Int_t LoadClusters();
126 void UnloadClusters();
129 void SetIO(); //set default IO from folders
130 void SetIO(TTree * input, TTree * output, AliESD * event);
131 void FillESD(TObjArray* arr);
133 void WriteTracks(TTree * tree);
135 void SetDebug(Int_t debug){ fDebug = debug;}
136 Int_t ReadSeeds(const TFile *in);
137 TObjArray * GetSeeds(){return fSeeds;}
139 AliCluster * GetCluster (int) const {return 0;}
140 AliTPCclusterMI *GetClusterMI(Int_t index) const;
141 Int_t Clusters2Tracks(const TFile */*in*/, TFile */*out*/) const {return 0;}
142 Int_t Clusters2Tracks();
143 virtual void CookLabel(AliTPCseed *t,Float_t wrong) const;
145 void RotateToLocal(AliTPCseed *seed);
148 Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1);
149 Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1);
151 Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf);
152 Int_t FollowToNext(AliTPCseed& t, Int_t nr);
153 Int_t FollowToNextFast(AliTPCseed& t, Int_t nr);
154 Int_t UpdateClusters(AliTPCseed& t, Int_t nr);
155 Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr);
157 virtual Int_t PropagateBack (const TFile *, TFile *) const {return 0;}
158 Int_t PropagateBack(TObjArray * arr);
159 Int_t PropagateBack(AliESD * event);
160 Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1);
161 Int_t PropagateForward();
162 Int_t PropagateForward2(TObjArray * arr);
164 Int_t CheckKinkPoint(AliTPCseed*seed, Float_t th);
165 void SortTracks(TObjArray * arr, Int_t mode) const;
168 virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
169 virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0);
171 Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
172 Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
173 Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
174 Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3);
176 Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2);
177 Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2,
179 Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z);
182 //**************** Internal tracker class **********************
185 friend class AliTPCtrackerMI;
186 friend class AliTPCtrackerMI::AliTPCSector;
190 void InsertCluster(const AliTPCclusterMI *c, UInt_t index);
191 void ResetClusters();
192 operator int() const {return fN;}
193 Int_t GetN() const {return fN;}
194 const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];}
195 UInt_t GetIndex(Int_t i) const {return fIndex[i];}
196 inline Int_t Find(Double_t z) const;
197 AliTPCclusterMI * FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const;
198 AliTPCclusterMI * FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
199 AliTPCclusterMI * FindNearest3(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const;
201 void SetX(Double_t x) {fX=x;}
202 Double_t GetX() const {return fX;}
204 Float_t fDeadZone; // the width of the dead zone
205 AliTPCclusterMI *fClusters1; //array with clusters 1
206 Int_t fN1; //number of clusters on left side
207 AliTPCclusterMI *fClusters2; //array with clusters 2
208 Int_t fN2; // number of clusters on right side of the TPC
209 Short_t fFastCluster[510]; //index of the nearest cluster at given position
210 Int_t fN; //number of clusters
211 const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters
212 // indexes for cluster at given position z
213 // AliTPCclusterMI *fClustersArray; //
214 UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters
215 Double_t fX; //X-coordinate of this row
217 AliTPCRow(const AliTPCRow& r); //dummy copy constructor
218 AliTPCRow &operator=(const AliTPCRow& r); //dummy assignment operator
221 //**************** Internal tracker class **********************
223 friend class AliTPCtrackerMI;
225 AliTPCSector() { fN=0; fRow = 0; }
226 ~AliTPCSector() { delete[] fRow; }
227 AliTPCRow& operator[](Int_t i) const { return *(fRow+i); }
228 Int_t GetNRows() const { return fN; }
229 void Setup(const AliTPCParam *par, Int_t flag);
230 Double_t GetX(Int_t l) const {return fRow[l].GetX();}
231 Double_t GetMaxY(Int_t l) const {
232 return GetX(l)*TMath::Tan(0.5*GetAlpha());
234 Double_t GetAlpha() const {return fAlpha;}
235 Double_t GetAlphaShift() const {return fAlphaShift;}
236 //Int_t GetFirst(){return fFirstRow;}
237 Int_t GetRowNumber(Double_t x) const;
238 Double_t GetPadPitchWidth() const {return fPadPitchWidth;}
239 Double_t GetPadPitchLength() const {return fPadPitchLength;}
240 Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;}
243 Int_t fN; //number of pad rows
244 //Int_t fFirstRow; //offset
245 AliTPCRow *fRow; //array of pad rows
246 Double_t fAlpha; //opening angle
247 Double_t fAlphaShift; //shift angle;
248 Double_t fPadPitchWidth; //pad pitch width
249 Double_t fPadPitchLength; //pad pitch length
250 Double_t f1PadPitchLength; //pad pitch length
251 Double_t f2PadPitchLength; //pad pitch length
254 AliTPCSector(const AliTPCSector &s); //dummy copy contructor
255 AliTPCSector& operator=(const AliTPCSector &s);//dummy assignment operator
258 Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2);
259 void SignShared(AliTPCseed * s1, AliTPCseed * s2);
260 void SignShared(TObjArray * arr);
262 void RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
263 void RemoveDouble(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex);
265 void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
266 void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const;
267 Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.);
270 inline AliTPCRow &GetRow(Int_t sec, Int_t row);
271 inline Double_t GetXrow(Int_t row) const;
272 inline Double_t GetMaxY(Int_t row) const;
273 inline Int_t GetRowNumber(Double_t x) const;
274 inline Double_t GetPadPitchLength(Double_t x) const;
275 inline Double_t GetPadPitchLength(Int_t row) const;
277 Float_t GetSigmaY(AliTPCseed * seed);
278 Float_t GetSigmaZ(AliTPCseed * seed);
279 void GetShape(AliTPCseed * seed, Int_t row);
281 void ReadSeeds(AliESD *event, Int_t direction); //read seeds from the event
283 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);
284 void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1);
286 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);
289 AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
290 AliTPCseed *ReSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed
294 AliTPCseed * ReSeed(AliTPCseed *t);
295 Int_t LoadInnerSectors();
296 Int_t LoadOuterSectors();
297 void UnsignClusters();
298 void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.);
300 void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast);
301 void Tracking(TObjArray * arr);
302 TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0);
303 TObjArray * Tracking();
304 void SumTracks(TObjArray *arr1,TObjArray *arr2) const;
305 void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const;
306 void PrepareForProlongation(TObjArray * arr, Float_t fac) const;
308 void SetSampledEdx(AliTPCseed *t, Float_t q, Int_t i) {;}
309 Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo
312 AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor
313 AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator
315 const Int_t fkNIS; //number of inner sectors
316 AliTPCSector *fInnerSec; //array of inner sectors;
317 const Int_t fkNOS; //number of outer sectors
318 AliTPCSector *fOuterSec; //array of outer sectors;
320 Int_t fN; //number of loaded sectors
321 AliTPCSector *fSectors; //pointer to loaded sectors;
323 TTree * fInput; // input tree with clusters
324 TTree * fOutput; // output tree with tracks
325 TTree * fSeedTree; // output tree with seeds - filled in debug mode 1
326 TTree * fTreeDebug; // output with a debug information about track
327 AliESD * fEvent; // output with esd tracks
328 Int_t fDebug; // debug option
329 Bool_t fNewIO; // indicated if we have data using New IO
330 Int_t fNtracks; //current number of tracks
331 TObjArray *fSeeds; //array of track seeds
332 Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward
333 // TObjArray * fTrackPointPool; // ! pool with track points
334 // TObjArray * fSeedPool; //! pool with seeds
335 Double_t fXRow[200]; // radius of the pad row
336 Double_t fYMax[200]; // max y for given pad row
337 Double_t fPadLength[200]; // max y for given pad row
338 const AliTPCParam *fParam; //pointer to the parameters
339 ClassDef(AliTPCtrackerMI,1)
343 AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row)
346 return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row];
349 Double_t AliTPCtrackerMI::GetXrow(Int_t row) const {
350 // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row);
354 Double_t AliTPCtrackerMI::GetMaxY(Int_t row) const {
355 //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row);
359 Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const
362 return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x);
365 Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) const
368 return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x);
369 //return fPadLength[row];
372 Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) const
375 return fPadLength[row];