]>
Commit | Line | Data |
---|---|---|
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 | //------------------------------------------------------- | |
47966a6d | 10 | // TPC tracker |
11 | // Parallel tracker | |
1c53abe2 | 12 | // |
13 | // Origin: | |
14 | //------------------------------------------------------- | |
6d171107 | 15 | |
81e97e0d | 16 | #include <TError.h> |
1c53abe2 | 17 | #include "AliTracker.h" |
81e97e0d | 18 | #include "AliTPCreco.h" |
19 | #include "AliPID.h" | |
b9671574 | 20 | #include "AliTPCclusterMI.h" |
81e97e0d | 21 | |
b67e07dc | 22 | |
1c53abe2 | 23 | class TFile; |
24 | class AliTPCParam; | |
25 | class AliTPCseed; | |
91162307 | 26 | class AliTPCTrackerPoint; |
27 | class AliESD; | |
28 | class TTree; | |
eea478d3 | 29 | class AliESDkink; |
81e97e0d | 30 | class TTreeSRedirector; |
2ccb4dfc | 31 | class AliTrackPoint; |
1c53abe2 | 32 | |
33 | class AliTPCtrackerMI : public AliTracker { | |
34 | public: | |
e046d791 | 35 | AliTPCtrackerMI(); |
d26d9159 | 36 | AliTPCtrackerMI(const AliTPCParam *par); |
b67e07dc | 37 | virtual ~AliTPCtrackerMI(); |
91162307 | 38 | // |
d26d9159 | 39 | void SetIteration(Int_t iteration){fIteration = iteration;} |
40 | virtual Int_t Clusters2Tracks (AliESD *esd); | |
41 | virtual Int_t RefitInward (AliESD *esd); | |
42 | virtual Int_t LoadClusters (TTree * tree); | |
43 | Int_t LoadClusters(); | |
44 | void UnloadClusters(); | |
75fb37cc | 45 | void Transform(AliTPCclusterMI * cluster); |
91162307 | 46 | // |
47 | void SetIO(); //set default IO from folders | |
48 | void SetIO(TTree * input, TTree * output, AliESD * event); | |
d26d9159 | 49 | void FillESD(TObjArray* arr); |
91162307 | 50 | void WriteTracks(); |
d26d9159 | 51 | void WriteTracks(TTree * tree); |
91162307 | 52 | void DeleteSeeds(); |
53 | void SetDebug(Int_t debug){ fDebug = debug;} | |
51ad6848 | 54 | void FindKinks(TObjArray * array, AliESD * esd); |
81e97e0d | 55 | void FindV0s(TObjArray * array, AliESD * esd); |
51ad6848 | 56 | void UpdateKinkQualityM(AliTPCseed * seed); |
eea478d3 | 57 | void UpdateKinkQualityD(AliTPCseed * seed); |
58 | Int_t CheckKinkPoint(AliTPCseed*seed, AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink); | |
59 | Int_t RefitKink(AliTPCseed &mother, AliTPCseed &daughter, AliESDkink &kink); | |
1c53abe2 | 60 | Int_t ReadSeeds(const TFile *in); |
91162307 | 61 | TObjArray * GetSeeds(){return fSeeds;} |
62 | // | |
34acb742 | 63 | AliCluster * GetCluster(Int_t index) const {return (AliCluster*)GetClusterMI(index);} |
1c53abe2 | 64 | AliTPCclusterMI *GetClusterMI(Int_t index) const; |
f8aae377 | 65 | Int_t Clusters2Tracks(); |
af32720d | 66 | virtual void CookLabel(AliKalmanTrack *tk,Float_t wrong) const; |
51ad6848 | 67 | virtual Int_t CookLabel(AliTPCseed *t,Float_t wrong, Int_t first,Int_t last ) const; |
91162307 | 68 | |
c9427e08 | 69 | void RotateToLocal(AliTPCseed *seed); |
91162307 | 70 | |
71 | ||
72 | Int_t FollowProlongation(AliTPCseed& t, Int_t rf=0, Int_t step=1); | |
73 | Int_t FollowProlongationFast(AliTPCseed& t, Int_t rf=0, Int_t step=1); | |
2ccb4dfc | 74 | Bool_t GetTrackPoint(Int_t index, AliTrackPoint &p ) const; |
75 | ||
91162307 | 76 | Int_t FollowBackProlongation(AliTPCseed& t, Int_t rf); |
77 | Int_t FollowToNext(AliTPCseed& t, Int_t nr); | |
78 | Int_t FollowToNextFast(AliTPCseed& t, Int_t nr); | |
79 | Int_t UpdateClusters(AliTPCseed& t, Int_t nr); | |
80 | Int_t FollowToNextCluster( AliTPCseed& t, Int_t nr); | |
81 | ||
91162307 | 82 | Int_t PropagateBack(TObjArray * arr); |
83 | Int_t PropagateBack(AliESD * event); | |
84 | Int_t PropagateBack(AliTPCseed *pt, Int_t row0, Int_t row1); | |
85 | Int_t PropagateForward(); | |
86 | Int_t PropagateForward2(TObjArray * arr); | |
87 | ||
47966a6d | 88 | void SortTracks(TObjArray * arr, Int_t mode) const; |
91162307 | 89 | |
90 | ||
1c53abe2 | 91 | virtual Double_t ErrY2(AliTPCseed* seed, AliTPCclusterMI * cl = 0); |
92 | virtual Double_t ErrZ2(AliTPCseed* seed, AliTPCclusterMI * cl = 0); | |
93 | ||
b67e07dc | 94 | Double_t F1(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); |
95 | Double_t F1old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); | |
96 | Double_t F2(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); | |
97 | Double_t F2old(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t x3,Double_t y3); | |
91162307 | 98 | |
b67e07dc | 99 | Double_t F3(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2); |
100 | Double_t F3n(Double_t x1,Double_t y1, Double_t x2,Double_t y2, Double_t z1,Double_t z2, | |
91162307 | 101 | Double_t c); |
102 | Bool_t GetProlongation(Double_t x1, Double_t x2, Double_t x[5], Double_t &y, Double_t &z); | |
103 | ||
b67e07dc | 104 | public: |
1c53abe2 | 105 | //**************** Internal tracker class ********************** |
b67e07dc | 106 | class AliTPCSector; |
1c53abe2 | 107 | class AliTPCRow { |
108 | public: | |
b67e07dc | 109 | AliTPCRow(); |
1c53abe2 | 110 | ~AliTPCRow(); |
111 | void InsertCluster(const AliTPCclusterMI *c, UInt_t index); | |
982aff31 | 112 | void ResetClusters(); |
1c53abe2 | 113 | operator int() const {return fN;} |
91162307 | 114 | Int_t GetN() const {return fN;} |
1c53abe2 | 115 | const AliTPCclusterMI* operator[](Int_t i) const {return fClusters[i];} |
116 | UInt_t GetIndex(Int_t i) const {return fIndex[i];} | |
91162307 | 117 | inline Int_t Find(Double_t z) const; |
1627d1c4 | 118 | AliTPCclusterMI * FindNearest(Double_t y, Double_t z, Double_t roady, Double_t roadz) const; |
91162307 | 119 | AliTPCclusterMI * FindNearest2(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const; |
120 | AliTPCclusterMI * FindNearest3(Double_t y, Double_t z, Double_t roady, Double_t roadz, UInt_t & index) const; | |
121 | ||
1c53abe2 | 122 | void SetX(Double_t x) {fX=x;} |
123 | Double_t GetX() const {return fX;} | |
b9671574 | 124 | Float_t GetDeadZone() const {return fDeadZone;} |
125 | void SetDeadZone(Float_t d) {fDeadZone=d;} | |
126 | Int_t GetN1() const {return fN1;} | |
127 | void SetN1(Int_t n) {fN1=n;} | |
128 | Int_t GetN2() const {return fN2;} | |
129 | void SetN2(Int_t n) {fN2=n;} | |
130 | AliTPCclusterMI* GetClusters1() const {return fClusters1;} | |
131 | AliTPCclusterMI* GetClusters2() const {return fClusters2;} | |
132 | void SetClusters1(AliTPCclusterMI* cl) {fClusters1=cl;} | |
133 | void SetClusters2(AliTPCclusterMI* cl) {fClusters2=cl;} | |
134 | void SetCluster1(Int_t i, AliTPCclusterMI cl) {fClusters1[i]=cl;} | |
135 | void SetCluster2(Int_t i, AliTPCclusterMI cl) {fClusters2[i]=cl;} | |
136 | AliTPCclusterMI* GetCluster1(Int_t i) const {return &fClusters1[i];} | |
137 | AliTPCclusterMI* GetCluster2(Int_t i) const {return &fClusters2[i];} | |
138 | Short_t GetFastCluster(Int_t i) const {return fFastCluster[i];} | |
139 | void SetFastCluster(Int_t i, Short_t cl) {fFastCluster[i]=cl;} | |
140 | ||
6d171107 | 141 | private: |
9996a03b | 142 | AliTPCRow & operator=(const AliTPCRow & ); |
143 | AliTPCRow(const AliTPCRow& /*r*/); //dummy copy constructor | |
1c53abe2 | 144 | Float_t fDeadZone; // the width of the dead zone |
91162307 | 145 | AliTPCclusterMI *fClusters1; //array with clusters 1 |
b67e07dc | 146 | Int_t fN1; //number of clusters on left side |
91162307 | 147 | AliTPCclusterMI *fClusters2; //array with clusters 2 |
b67e07dc | 148 | Int_t fN2; // number of clusters on right side of the TPC |
149 | Short_t fFastCluster[510]; //index of the nearest cluster at given position | |
1c53abe2 | 150 | Int_t fN; //number of clusters |
151 | const AliTPCclusterMI *fClusters[kMaxClusterPerRow]; //pointers to clusters | |
91162307 | 152 | // indexes for cluster at given position z |
153 | // AliTPCclusterMI *fClustersArray; // | |
1c53abe2 | 154 | UInt_t fIndex[kMaxClusterPerRow]; //indeces of clusters |
155 | Double_t fX; //X-coordinate of this row | |
2fc0c115 | 156 | |
1c53abe2 | 157 | }; |
158 | ||
159 | //**************** Internal tracker class ********************** | |
160 | class AliTPCSector { | |
161 | public: | |
e046d791 | 162 | AliTPCSector(): |
163 | fN(0), | |
164 | fRow(0), | |
165 | fAlpha(0.), | |
166 | fAlphaShift(0.), | |
167 | fPadPitchWidth(0.), | |
168 | fPadPitchLength(0.), | |
169 | f1PadPitchLength(0.), | |
170 | f2PadPitchLength(0.){} | |
1c53abe2 | 171 | ~AliTPCSector() { delete[] fRow; } |
9996a03b | 172 | AliTPCRow& operator[](Int_t i) const { return *(fRow+i); } |
173 | Int_t GetNRows() const { return fN; } | |
174 | void Setup(const AliTPCParam *par, Int_t flag); | |
175 | Double_t GetX(Int_t l) const {return fRow[l].GetX();} | |
176 | Double_t GetMaxY(Int_t l) const { | |
177 | return GetX(l)*TMath::Tan(0.5*GetAlpha()); | |
178 | } | |
179 | Double_t GetAlpha() const {return fAlpha;} | |
180 | Double_t GetAlphaShift() const {return fAlphaShift;} | |
181 | //Int_t GetFirst(){return fFirstRow;} | |
182 | Int_t GetRowNumber(Double_t x) const; | |
183 | Double_t GetPadPitchWidth() const {return fPadPitchWidth;} | |
184 | Double_t GetPadPitchLength() const {return fPadPitchLength;} | |
185 | Double_t GetPadPitchLength(Float_t x) const {return (x<200) ? fPadPitchLength:f2PadPitchLength ;} | |
186 | ||
1c53abe2 | 187 | private: |
9996a03b | 188 | AliTPCSector & operator=(const AliTPCSector & ); |
189 | AliTPCSector(const AliTPCSector &/*s*/); //dummy copy contructor | |
190 | Int_t fN; //number of pad rows | |
191 | //Int_t fFirstRow; //offset | |
192 | AliTPCRow *fRow; //array of pad rows | |
193 | Double_t fAlpha; //opening angle | |
194 | Double_t fAlphaShift; //shift angle; | |
195 | Double_t fPadPitchWidth; //pad pitch width | |
196 | Double_t fPadPitchLength; //pad pitch length | |
197 | Double_t f1PadPitchLength; //pad pitch length | |
198 | Double_t f2PadPitchLength; //pad pitch length | |
1c53abe2 | 199 | |
1c53abe2 | 200 | }; |
201 | ||
202 | Float_t OverlapFactor(AliTPCseed * s1, AliTPCseed * s2, Int_t &sum1, Int_t &sum2); | |
203 | void SignShared(AliTPCseed * s1, AliTPCseed * s2); | |
91162307 | 204 | void SignShared(TObjArray * arr); |
205 | ||
206 | void RemoveUsed(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex); | |
51ad6848 | 207 | void RemoveUsed2(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t minimal); |
91162307 | 208 | void RemoveDouble(TObjArray * arr, Float_t factor1, Float_t factor2, Int_t removalindex); |
209 | ||
47966a6d | 210 | void StopNotActive(TObjArray * arr, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const; |
211 | void StopNotActive(AliTPCseed * seed, Int_t row0, Float_t th0, Float_t th1, Float_t th2) const; | |
91162307 | 212 | Int_t AcceptCluster(AliTPCseed * seed, AliTPCclusterMI * cluster, Float_t factor, Float_t cory=1., Float_t corz=1.); |
c9427e08 | 213 | |
1c53abe2 | 214 | private: |
6c94f330 | 215 | AliTPCtrackerMI(const AliTPCtrackerMI& r); //dummy copy constructor |
216 | AliTPCtrackerMI &operator=(const AliTPCtrackerMI& r);//dummy assignment operator | |
91162307 | 217 | inline AliTPCRow &GetRow(Int_t sec, Int_t row); |
5afd7dbd | 218 | inline Bool_t IsActive(Int_t sec, Int_t row); |
47966a6d | 219 | inline Double_t GetXrow(Int_t row) const; |
220 | inline Double_t GetMaxY(Int_t row) const; | |
221 | inline Int_t GetRowNumber(Double_t x) const; | |
eea478d3 | 222 | Int_t GetRowNumber(Double_t x[3]) const; |
47966a6d | 223 | inline Double_t GetPadPitchLength(Double_t x) const; |
224 | inline Double_t GetPadPitchLength(Int_t row) const; | |
91162307 | 225 | |
1c53abe2 | 226 | Float_t GetSigmaY(AliTPCseed * seed); |
227 | Float_t GetSigmaZ(AliTPCseed * seed); | |
91162307 | 228 | void GetShape(AliTPCseed * seed, Int_t row); |
229 | ||
d26d9159 | 230 | void ReadSeeds(AliESD *event, Int_t direction); //read seeds from the event |
1c53abe2 | 231 | |
91162307 | 232 | 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); |
233 | void MakeSeeds5(TObjArray * arr, Int_t sec, Int_t i1, Int_t i2, Float_t cuts[4], Float_t deltay = -1); | |
1627d1c4 | 234 | |
91162307 | 235 | 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); |
236 | ||
1c53abe2 | 237 | |
91162307 | 238 | AliTPCseed *MakeSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed |
d26d9159 | 239 | AliTPCseed *ReSeed(AliTPCseed *t, Float_t r0, Float_t r1, Float_t r2); //reseed |
eea478d3 | 240 | AliTPCseed *ReSeed(AliTPCseed *t, Int_t r0, Bool_t forward); //reseed |
91162307 | 241 | |
242 | ||
243 | ||
244 | AliTPCseed * ReSeed(AliTPCseed *t); | |
245 | Int_t LoadInnerSectors(); | |
246 | Int_t LoadOuterSectors(); | |
247 | void UnsignClusters(); | |
248 | void SignClusters(TObjArray * arr, Float_t fnumber=3., Float_t fdensity=2.); | |
249 | ||
250 | void ParallelTracking(TObjArray * arr, Int_t rfirst, Int_t rlast); | |
251 | void Tracking(TObjArray * arr); | |
252 | TObjArray * Tracking(Int_t seedtype, Int_t i1, Int_t i2, Float_t cuts[4], Float_t dy=-1, Int_t dsec=0); | |
253 | TObjArray * Tracking(); | |
a395b09f | 254 | TObjArray * TrackingSpecial(); |
47966a6d | 255 | void SumTracks(TObjArray *arr1,TObjArray *arr2) const; |
256 | void PrepareForBackProlongation(TObjArray * arr, Float_t fac) const; | |
257 | void PrepareForProlongation(TObjArray * arr, Float_t fac) const; | |
1c53abe2 | 258 | |
4c57c771 | 259 | void SetSampledEdx(AliTPCseed */*t*/, Float_t /*q*/, Int_t /*i*/) {;} |
91162307 | 260 | Int_t UpdateTrack(AliTPCseed *t, Int_t accept); //update trackinfo |
1c53abe2 | 261 | |
1c53abe2 | 262 | |
1c53abe2 | 263 | const Int_t fkNIS; //number of inner sectors |
264 | AliTPCSector *fInnerSec; //array of inner sectors; | |
265 | const Int_t fkNOS; //number of outer sectors | |
266 | AliTPCSector *fOuterSec; //array of outer sectors; | |
267 | ||
268 | Int_t fN; //number of loaded sectors | |
269 | AliTPCSector *fSectors; //pointer to loaded sectors; | |
91162307 | 270 | // |
271 | TTree * fInput; // input tree with clusters | |
272 | TTree * fOutput; // output tree with tracks | |
273 | TTree * fSeedTree; // output tree with seeds - filled in debug mode 1 | |
274 | TTree * fTreeDebug; // output with a debug information about track | |
275 | AliESD * fEvent; // output with esd tracks | |
276 | Int_t fDebug; // debug option | |
277 | Bool_t fNewIO; // indicated if we have data using New IO | |
1c53abe2 | 278 | Int_t fNtracks; //current number of tracks |
279 | TObjArray *fSeeds; //array of track seeds | |
91162307 | 280 | Int_t fIteration; // indicate iteration - 0 - froward -1 back - 2forward - back->forward |
1c53abe2 | 281 | // TObjArray * fTrackPointPool; // ! pool with track points |
91162307 | 282 | // TObjArray * fSeedPool; //! pool with seeds |
283 | Double_t fXRow[200]; // radius of the pad row | |
284 | Double_t fYMax[200]; // max y for given pad row | |
285 | Double_t fPadLength[200]; // max y for given pad row | |
1c53abe2 | 286 | const AliTPCParam *fParam; //pointer to the parameters |
81e97e0d | 287 | TTreeSRedirector *fDebugStreamer; //!debug streamer |
91162307 | 288 | ClassDef(AliTPCtrackerMI,1) |
1c53abe2 | 289 | }; |
290 | ||
91162307 | 291 | |
292 | AliTPCtrackerMI::AliTPCRow & AliTPCtrackerMI::GetRow(Int_t sec, Int_t row) | |
293 | { | |
294 | // | |
295 | return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()]:fInnerSec[sec][row]; | |
296 | } | |
297 | ||
5afd7dbd | 298 | Bool_t AliTPCtrackerMI::IsActive(Int_t sec, Int_t row) |
299 | { | |
300 | // | |
301 | // check if the given sector row is active | |
302 | // | |
303 | return (row>=fInnerSec->GetNRows()) ? fOuterSec[sec][row-fInnerSec->GetNRows()].GetN()>0:fInnerSec[sec][row].GetN()>0; | |
304 | } | |
305 | ||
306 | ||
47966a6d | 307 | Double_t AliTPCtrackerMI::GetXrow(Int_t row) const { |
91162307 | 308 | // return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetX(row-fInnerSec->GetNRows()):fInnerSec->GetX(row); |
309 | return fXRow[row]; | |
310 | } | |
311 | ||
47966a6d | 312 | Double_t AliTPCtrackerMI::GetMaxY(Int_t row) const { |
91162307 | 313 | //return (row>=fInnerSec->GetNRows()) ? fOuterSec->GetMaxY(row-fInnerSec->GetNRows()):fInnerSec->GetMaxY(row); |
314 | return fYMax[row]; | |
315 | } | |
316 | ||
47966a6d | 317 | Int_t AliTPCtrackerMI::GetRowNumber(Double_t x) const |
91162307 | 318 | { |
319 | // | |
320 | return (x>133.) ? fOuterSec->GetRowNumber(x)+fInnerSec->GetNRows():fInnerSec->GetRowNumber(x); | |
321 | } | |
322 | ||
47966a6d | 323 | Double_t AliTPCtrackerMI::GetPadPitchLength(Double_t x) const |
91162307 | 324 | { |
325 | // | |
326 | return (x>133.) ? fOuterSec->GetPadPitchLength(x):fInnerSec->GetPadPitchLength(x); | |
327 | //return fPadLength[row]; | |
328 | } | |
329 | ||
47966a6d | 330 | Double_t AliTPCtrackerMI::GetPadPitchLength(Int_t row) const |
91162307 | 331 | { |
332 | // | |
333 | return fPadLength[row]; | |
334 | } | |
335 | ||
336 | ||
337 | ||
1c53abe2 | 338 | #endif |
339 | ||
340 |