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1c53abe2 | 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 */ | |
5 | ||
91162307 | 6 | |
1c53abe2 | 7 | /* $Id$ */ |
8 | ||
9 | //------------------------------------------------------- | |
10 | // TPC trackerMI | |
11 | // | |
12 | // Origin: | |
13 | //------------------------------------------------------- | |
14 | #include "AliTracker.h" | |
15 | #include "AliTPCtrack.h" | |
91162307 | 16 | #include "AliComplexCluster.h" |
b67e07dc | 17 | |
1c53abe2 | 18 | class TFile; |
19 | class AliTPCParam; | |
20 | class AliTPCseed; | |
21 | class AliTPCclusterMI; | |
91162307 | 22 | class AliTPCTrackerPoint; |
23 | class AliESD; | |
24 | class TTree; | |
c9427e08 | 25 | |
1c53abe2 | 26 | |
27 | class AliTPCseed : public AliTPCtrack { | |
b67e07dc | 28 | friend class AliTPCtrackerMI; |
91162307 | 29 | public: |
1c53abe2 | 30 | AliTPCseed(); |
31 | virtual ~AliTPCseed(); | |
32 | AliTPCseed(const AliTPCtrack &t); | |
33 | AliTPCseed(const AliKalmanTrack &t, Double_t a); | |
34 | Int_t Compare(const TObject *o) const; | |
91162307 | 35 | void Reset(Bool_t all = kTRUE); |
1c53abe2 | 36 | Int_t GetProlongation(Double_t xr, Double_t &y, Double_t & z) const; |
37 | virtual Double_t GetPredictedChi2(const AliTPCclusterMI *cluster) const; | |
38 | virtual Int_t Update(const AliTPCclusterMI* c, Double_t chi2, UInt_t i); | |
91162307 | 39 | AliTPCTrackerPoint * GetTrackPoint(Int_t i); |
1c53abe2 | 40 | void RebuildSeed(); // rebuild seed to be ready for storing |
41 | AliTPCseed(UInt_t index, const Double_t xx[5], | |
42 | const Double_t cc[15], Double_t xr, Double_t alpha); | |
91162307 | 43 | |
44 | Double_t GetDensityFirst(Int_t n); | |
b67e07dc | 45 | Double_t GetSigma2C() const {return fC44;}; |
91162307 | 46 | void GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2); |
47 | ||
48 | void Modify(Double_t factor); | |
b67e07dc | 49 | void SetClusterIndex2(Int_t row, Int_t index) { |
91162307 | 50 | fIndex[row] = index; |
51 | } | |
b67e07dc | 52 | Int_t GetClusterIndex2(Int_t row) const { |
91162307 | 53 | return fIndex[row]; |
1c53abe2 | 54 | } |
b67e07dc | 55 | Int_t GetClusterSector(Int_t row) const { |
e325274c | 56 | Int_t pica = -1; |
57 | if (fIndex[row]>=0) pica = ((fIndex[row]&0xff000000)>>24); | |
58 | return pica; | |
91162307 | 59 | } |
60 | ||
1c53abe2 | 61 | void SetErrorY2(Float_t sy2){fErrorY2=sy2;} |
62 | void SetErrorZ2(Float_t sz2){fErrorZ2=sz2;} | |
91162307 | 63 | void CookdEdx(Double_t low=0.05, Double_t up=0.70, Int_t i1=0, Int_t i2=159, Bool_t onlyused = kFALSE); |
64 | // void CookdEdx2(Double_t low=0.05, Double_t up=0.70); | |
b67e07dc | 65 | Bool_t IsActive() const { return !(fRemoval);} |
1c53abe2 | 66 | void Desactivate(Int_t reason){ fRemoval = reason;} |
91162307 | 67 | // |
68 | // | |
b67e07dc | 69 | private: |
91162307 | 70 | AliTPCclusterMI* fClusterPointer[160]; //! array of cluster pointers - |
71 | TClonesArray * fPoints; // array with points along the track | |
1c53abe2 | 72 | TClonesArray * fEPoints; // array with exact points - calculated in special macro not used in tracking |
91162307 | 73 | //---CURRENT VALUES |
c9427e08 | 74 | Int_t fRow; //!current row number |
1c53abe2 | 75 | Int_t fSector; //!current sector number |
91162307 | 76 | Int_t fRelativeSector; //! index of current relative sector |
77 | Float_t fCurrentSigmaY2; //!expected current cluster sigma Y | |
78 | Float_t fCurrentSigmaZ2; //!expected current cluster sigma Z | |
79 | Float_t fErrorY2; //!sigma of current cluster | |
80 | Float_t fErrorZ2; //!sigma of current cluster | |
1c53abe2 | 81 | AliTPCclusterMI * fCurrentCluster; //!pointer to the current cluster for prolongation |
82 | Int_t fCurrentClusterIndex1; //! index of the current cluster | |
91162307 | 83 | Bool_t fInDead; //! indicate if the track is in dead zone |
84 | Bool_t fIsSeeding; //!indicates if it is proces of seeading | |
85 | Int_t fNoCluster; //!indicates number of rows without clusters | |
86 | Int_t fSort; //!indicate criteria for sorting | |
87 | Bool_t fBSigned; //indicates that clusters of this trackes are signed to be used | |
88 | // | |
89 | // | |
1c53abe2 | 90 | Float_t fDEDX[4]; // dedx according padrows |
91 | Float_t fSDEDX[4]; // sdedx according padrows | |
92 | Int_t fNCDEDX[4]; // number of clusters for dedx measurment | |
91162307 | 93 | // |
94 | Int_t fSeedType; //seeding type | |
95 | Int_t fSeed1; //first row for seeding | |
96 | Int_t fSeed2; //last row for seeding | |
97 | Int_t fOverlapLabels[12]; //track labels and the length of the overlap | |
91162307 | 98 | Float_t fMAngular; // mean angular factor |
99 | AliTPCTrackerPoint fTrackPoints[160]; //!track points - array track points | |
1c53abe2 | 100 | |
101 | ClassDef(AliTPCseed,1) | |
102 | }; | |
103 | ||
104 | ||
105 | ||
106 | ||
107 | class AliTPCtrackerMI : public AliTracker { | |
108 | public: | |
109 | AliTPCtrackerMI():AliTracker(),fkNIS(0),fkNOS(0) { | |
110 | fInnerSec=fOuterSec=0; fSeeds=0; | |
111 | } | |
91162307 | 112 | AliTPCtrackerMI(const AliTPCParam *par); |
b67e07dc | 113 | virtual ~AliTPCtrackerMI(); |
91162307 | 114 | // |
115 | //to be implemented later | |
116 | virtual Int_t Clusters2Tracks (AliESD *){return 0;} | |
117 | virtual Int_t RefitInward (AliESD *){return 0;} | |
118 | virtual Int_t LoadClusters (TTree *){return 0;} | |
119 | // | |
120 | void SetIO(); //set default IO from folders | |
121 | void SetIO(TTree * input, TTree * output, AliESD * event); | |
122 | void WriteTracks(); | |
123 | void DeleteSeeds(); | |
124 | void SetDebug(Int_t debug){ fDebug = debug;} | |
1c53abe2 | 125 | Int_t ReadSeeds(const TFile *in); |
91162307 | 126 | Int_t LoadClusters(); |
127 | void UnloadClusters(); | |
128 | TObjArray * GetSeeds(){return fSeeds;} | |
129 | // | |
130 | AliCluster * GetCluster (int) const {return 0;} | |
1c53abe2 | 131 | AliTPCclusterMI *GetClusterMI(Int_t index) const; |
176aff27 | 132 | Int_t Clusters2Tracks(const TFile */*in*/, TFile */*out*/){return 0;} |
f8aae377 | 133 | Int_t Clusters2Tracks(); |
91162307 | 134 | virtual void CookLabel(AliTPCseed *t,Float_t wrong) const; |
135 | ||
c9427e08 | 136 | void RotateToLocal(AliTPCseed *seed); |
91162307 | 137 | |
138 | ||
139 | Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1); | |
140 | Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1); | |
141 | ||
142 | Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf); | |
143 | Int_t FollowToNext(AliTPCseed& t, Int_t nr); | |
144 | Int_t FollowToNextFast(AliTPCseed& t, Int_t nr); | |
145 | Int_t UpdateClusters(AliTPCseed& t, Int_t nr); | |
146 | Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr); | |
147 | ||
148 | virtual Int_t PropagateBack (const TFile *, TFile *){return 0;} | |
149 | Int_t PropagateBack(TObjArray * arr); | |
150 | Int_t PropagateBack(AliESD * event); | |
151 | Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1); | |
152 | Int_t PropagateForward(); | |
153 | Int_t PropagateForward2(TObjArray * arr); | |
154 | ||
155 | Int_t CheckKinkPoint(AliTPCseed*seed, Float_t th); | |
156 | void SortTracks(TObjArray * arr, Int_t mode); | |
157 | ||
158 | ||
1c53abe2 | 159 | virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0); |
160 | virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0); | |
161 | ||
b67e07dc | 162 | Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); |
163 | Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); | |
164 | Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); | |
165 | Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); | |
91162307 | 166 | |
b67e07dc | 167 | Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2); |
168 | Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2, | |
91162307 | 169 | Double_t c); |
170 | Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z); | |
171 | ||
b67e07dc | 172 | public: |
1c53abe2 | 173 | //**************** Internal tracker class ********************** |
b67e07dc | 174 | class AliTPCSector; |
1c53abe2 | 175 | class AliTPCRow { |
b67e07dc | 176 | friend class AliTPCtrackerMI; |
177 | friend class AliTPCtrackerMI::AliTPCSector; | |
1c53abe2 | 178 | public: |
b67e07dc | 179 | AliTPCRow(); |
1c53abe2 | 180 | ~AliTPCRow(); |
181 | void InsertCluster(const AliTPCclusterMI *c, UInt_t index); | |
182 | operator int() const {return fN;} | |
91162307 | 183 | Int_t GetN() const {return fN;} |
1c53abe2 | 184 | const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];} |
185 | UInt_t GetIndex(Int_t i) const {return fIndex[i];} | |
91162307 | 186 | inline Int_t Find(Double_t z) const; |
1627d1c4 | 187 | AliTPCclusterMI * FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const; |
91162307 | 188 | AliTPCclusterMI * FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const; |
189 | AliTPCclusterMI * FindNearest3(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const; | |
190 | ||
1c53abe2 | 191 | void SetX(Double_t x) {fX=x;} |
192 | Double_t GetX() const {return fX;} | |
b67e07dc | 193 | private: |
1c53abe2 | 194 | Float_t fDeadZone; // the width of the dead zone |
91162307 | 195 | AliTPCclusterMI *fClusters1; //array with clusters 1 |
b67e07dc | 196 | Int_t fN1; //number of clusters on left side |
91162307 | 197 | AliTPCclusterMI *fClusters2; //array with clusters 2 |
b67e07dc | 198 | Int_t fN2; // number of clusters on right side of the TPC |
199 | Short_t fFastCluster[510]; //index of the nearest cluster at given position | |
1c53abe2 | 200 | Int_t fN; //number of clusters |
201 | const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters | |
91162307 | 202 | // indexes for cluster at given position z |
203 | // AliTPCclusterMI *fClustersArray; // | |
1c53abe2 | 204 | UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters |
205 | Double_t fX; //X-coordinate of this row | |
91162307 | 206 | //private: |
1c53abe2 | 207 | AliTPCRow(const AliTPCRow& r); //dummy copy constructor |
208 | AliTPCRow &operator=(const AliTPCRow& r); //dummy assignment operator | |
209 | }; | |
210 | ||
211 | //**************** Internal tracker class ********************** | |
212 | class AliTPCSector { | |
b67e07dc | 213 | friend class AliTPCtrackerMI; |
1c53abe2 | 214 | public: |
215 | AliTPCSector() { fN=0; fRow = 0; } | |
216 | ~AliTPCSector() { delete[] fRow; } | |
217 | AliTPCRow& operator[](Int_t i) const { return *(fRow+i); } | |
218 | Int_t GetNRows() const { return fN; } | |
219 | void Setup(const AliTPCParam *par, Int_t flag); | |
220 | Double_t GetX(Int_t l) const {return fRow[l].GetX();} | |
221 | Double_t GetMaxY(Int_t l) const { | |
222 | return GetX(l)*TMath::Tan(0.5*GetAlpha()); | |
223 | } | |
224 | Double_t GetAlpha() const {return fAlpha;} | |
225 | Double_t GetAlphaShift() const {return fAlphaShift;} | |
91162307 | 226 | //Int_t GetFirst(){return fFirstRow;} |
1c53abe2 | 227 | Int_t GetRowNumber(Double_t x) const { |
228 | //return pad row number for this x | |
229 | Double_t r; | |
230 | if (fN < 64){ | |
231 | r=fRow[fN-1].GetX(); | |
232 | if (x > r) return fN; | |
233 | r=fRow[0].GetX(); | |
234 | if (x < r) return -1; | |
235 | return Int_t((x-r)/fPadPitchLength + 0.5);} | |
236 | else{ | |
237 | r=fRow[fN-1].GetX(); | |
238 | if (x > r) return fN; | |
239 | r=fRow[0].GetX(); | |
240 | if (x < r) return -1; | |
241 | Double_t r1=fRow[64].GetX(); | |
242 | if(x<r1){ | |
243 | return Int_t((x-r)/f1PadPitchLength + 0.5);} | |
244 | else{ | |
245 | return (Int_t((x-r1)/f2PadPitchLength + 0.5)+64);} | |
246 | } | |
247 | } | |
248 | Double_t GetPadPitchWidth() const {return fPadPitchWidth;} | |
249 | Double_t GetPadPitchLength() const {return fPadPitchLength;} | |
250 | Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;} | |
251 | ||
252 | private: | |
253 | Int_t fN; //number of pad rows | |
91162307 | 254 | //Int_t fFirstRow; //offset |
1c53abe2 | 255 | AliTPCRow *fRow; //array of pad rows |
256 | Double_t fAlpha; //opening angle | |
257 | Double_t fAlphaShift; //shift angle; | |
258 | Double_t fPadPitchWidth; //pad pitch width | |
259 | Double_t fPadPitchLength; //pad pitch length | |
260 | Double_t f1PadPitchLength; //pad pitch length | |
261 | Double_t f2PadPitchLength; //pad pitch length | |
262 | ||
263 | private: | |
b67e07dc | 264 | AliTPCSector(const AliTPCSector &s); //dummy copy contructor |
1c53abe2 | 265 | AliTPCSector& operator=(const AliTPCSector &s);//dummy assignment operator |
266 | }; | |
267 | ||
268 | Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2); | |
269 | void SignShared(AliTPCseed * s1, AliTPCseed * s2); | |
91162307 | 270 | void SignShared(TObjArray * arr); |
271 | ||
272 | void RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex); | |
273 | void RemoveDouble(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex); | |
274 | ||
275 | void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2); | |
276 | void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2); | |
277 | Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.); | |
c9427e08 | 278 | |
1c53abe2 | 279 | private: |
91162307 | 280 | inline AliTPCRow &GetRow(Int_t sec, Int_t row); |
281 | inline Double_t GetXrow(Int_t row); | |
282 | inline Double_t GetMaxY(Int_t row); | |
283 | inline Int_t GetRowNumber(Double_t x); | |
284 | inline Double_t GetPadPitchLength(Double_t x); | |
285 | inline Double_t GetPadPitchLength(Int_t row); | |
286 | ||
1c53abe2 | 287 | Float_t GetSigmaY(AliTPCseed * seed); |
288 | Float_t GetSigmaZ(AliTPCseed * seed); | |
91162307 | 289 | void GetShape(AliTPCseed * seed, Int_t row); |
290 | ||
291 | void ReadSeeds(AliESD *event); //read seeds from the event | |
1c53abe2 | 292 | |
91162307 | 293 | 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); |
294 | void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1); | |
1627d1c4 | 295 | |
91162307 | 296 | 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); |
297 | ||
1c53abe2 | 298 | |
91162307 | 299 | AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed |
300 | ||
301 | ||
302 | ||
303 | AliTPCseed * ReSeed(AliTPCseed *t); | |
304 | Int_t LoadInnerSectors(); | |
305 | Int_t LoadOuterSectors(); | |
306 | void UnsignClusters(); | |
307 | void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.); | |
308 | ||
309 | void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast); | |
310 | void Tracking(TObjArray * arr); | |
311 | TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0); | |
312 | TObjArray * Tracking(); | |
313 | void SumTracks(TObjArray *arr1,TObjArray *arr2); | |
314 | void PrepareForBackProlongation(TObjArray * arr, Float_t fac); | |
315 | void PrepareForProlongation(TObjArray * arr, Float_t fac); | |
1c53abe2 | 316 | |
1c53abe2 | 317 | void SetSampledEdx(AliTPCseed *t, Float_t q, Int_t i) {;} |
91162307 | 318 | Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo |
1c53abe2 | 319 | |
1c53abe2 | 320 | |
321 | AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor | |
322 | AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator | |
323 | ||
324 | const Int_t fkNIS; //number of inner sectors | |
325 | AliTPCSector *fInnerSec; //array of inner sectors; | |
326 | const Int_t fkNOS; //number of outer sectors | |
327 | AliTPCSector *fOuterSec; //array of outer sectors; | |
328 | ||
329 | Int_t fN; //number of loaded sectors | |
330 | AliTPCSector *fSectors; //pointer to loaded sectors; | |
91162307 | 331 | // |
332 | TTree * fInput; // input tree with clusters | |
333 | TTree * fOutput; // output tree with tracks | |
334 | TTree * fSeedTree; // output tree with seeds - filled in debug mode 1 | |
335 | TTree * fTreeDebug; // output with a debug information about track | |
336 | AliESD * fEvent; // output with esd tracks | |
337 | Int_t fDebug; // debug option | |
338 | Bool_t fNewIO; // indicated if we have data using New IO | |
1c53abe2 | 339 | Int_t fNtracks; //current number of tracks |
340 | TObjArray *fSeeds; //array of track seeds | |
91162307 | 341 | Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward |
1c53abe2 | 342 | // TObjArray * fTrackPointPool; // ! pool with track points |
91162307 | 343 | // TObjArray * fSeedPool; //! pool with seeds |
344 | Double_t fXRow[200]; // radius of the pad row | |
345 | Double_t fYMax[200]; // max y for given pad row | |
346 | Double_t fPadLength[200]; // max y for given pad row | |
1c53abe2 | 347 | const AliTPCParam *fParam; //pointer to the parameters |
91162307 | 348 | ClassDef(AliTPCtrackerMI,1) |
1c53abe2 | 349 | }; |
350 | ||
91162307 | 351 | |
352 | AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row) | |
353 | { | |
354 | // | |
355 | return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row]; | |
356 | } | |
357 | ||
358 | Double_t AliTPCtrackerMI::GetXrow(Int_t row) { | |
359 | // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row); | |
360 | return fXRow[row]; | |
361 | } | |
362 | ||
363 | Double_t AliTPCtrackerMI::GetMaxY(Int_t row) { | |
364 | //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row); | |
365 | return fYMax[row]; | |
366 | } | |
367 | ||
368 | Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) | |
369 | { | |
370 | // | |
371 | return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x); | |
372 | } | |
373 | ||
374 | Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) | |
375 | { | |
376 | // | |
377 | return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x); | |
378 | //return fPadLength[row]; | |
379 | } | |
380 | ||
381 | Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) | |
382 | { | |
383 | // | |
384 | return fPadLength[row]; | |
385 | } | |
386 | ||
387 | ||
388 | ||
1c53abe2 | 389 | #endif |
390 | ||
391 |