3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 //-------------------------------------------------------
11 // Class needed for TPC parallel tracking
14 //-------------------------------------------------------
19 #include <TVectorFfwd.h>
20 #include "AliTPCtrack.h"
21 #include "AliComplexCluster.h"
23 #include "AliVTPCseed.h"
28 class AliTPCclusterMI;
29 class AliTPCTrackerPoint;
34 class AliTPCseed : public AliTPCtrack, public AliVTPCseed {
37 virtual ~AliTPCseed();
38 virtual TObject* Clone(const char* newname = "") const;
39 AliTPCseed(const AliTPCtrack &t);
40 AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner = kFALSE);
41 //AliTPCseed(const AliTPCseed &t, Double_t a);
42 AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5],
43 const Double_t cc[15], Int_t i);
44 AliTPCseed &operator = (const AliTPCseed & param);
45 void Clear(Option_t* = "");
46 static Int_t RefitTrack(AliTPCseed* seed, AliExternalTrackParam * in, AliExternalTrackParam * out);
47 Bool_t RefitTrack(AliTPCseed* seed, Bool_t out);
48 Int_t Compare(const TObject *o) const;
49 void Reset(Bool_t all = kTRUE);
50 Int_t GetProlongation(Double_t xr, Double_t &y, Double_t & z) const;
51 virtual Double_t GetPredictedChi2(const AliCluster *cluster2) const;
52 virtual Bool_t Update(const AliCluster* c2, Double_t chi2, Int_t i);
53 AliTPCTrackerPoint * GetTrackPoint(Int_t i);
54 const AliTPCTrackerPoint * GetTrackPointConst(Int_t i) const { return &fTrackPoints[i]; }
55 AliTPCclusterMI * GetClusterFast(Int_t irow){ return fClusterPointer[irow];}
56 AliTPCclusterMI * GetClusterFast(Int_t irow) const { return fClusterPointer[irow];}
57 void SetClusterPointer(Int_t irow, AliTPCclusterMI* cl) {fClusterPointer[irow]=cl;}
58 Double_t GetDensityFirst(Int_t n);
59 Double_t GetSigma2C() const {
60 Double_t cnv=GetBz()*kB2C;
61 return GetSigma1Pt2()*cnv*cnv;
63 void GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2);
65 void Modify(Double_t factor);
66 void SetClusterIndex2(Int_t row, Int_t index) {
69 Int_t GetClusterIndex2(Int_t row) const {
72 Int_t GetClusterSector(Int_t row) const {
74 if (fIndex[row]>=0) pica = ((fIndex[row]&0xff000000)>>24);
78 Double_t GetYat(Double_t x) const;
80 void SetErrorY2(Float_t sy2){fErrorY2=sy2;}
81 void SetErrorZ2(Float_t sz2){fErrorZ2=sz2;}
82 Float_t CookdEdx(Double_t low=0.05, Double_t up=0.70, Int_t i1=0, Int_t i2=159, Bool_t onlyused = kFALSE);
83 Float_t CookShape(Int_t type);
84 // Float_t CookShape2(Int_t type,Bool_t withQ);
86 Bool_t IsActive() const { return !(fRemoval);}
87 void Desactivate(Int_t reason){ fRemoval = reason;}
88 AliTPCclusterMI* GetClusterPointer(Int_t i) const {return fClusterPointer[i];}
89 Int_t GetSector() const {return fSector;}
90 Float_t GetCurrentSigmaY2() const {return fCurrentSigmaY2;}
91 Float_t GetCurrentSigmaZ2() const {return fCurrentSigmaZ2;}
92 Int_t GetRelativeSector() const {return fRelativeSector;}
93 Char_t GetCircular() const {return fCircular;}
95 void SetCurrentSigmaY2(Float_t s) {fCurrentSigmaY2=s;}
96 void SetCurrentSigmaZ2(Float_t s) {fCurrentSigmaZ2=s;}
97 void SetRelativeSector(Int_t r) {fRelativeSector=r;}
98 void SetCircular(Char_t c) {fCircular=c;}
99 void SetIsSeeding(Bool_t s) {fIsSeeding=s;}
100 void SetSeedType(Int_t s) {fSeedType=s;}
101 void SetSeed1(Int_t s) {fSeed1=s;}
102 void SetSeed2(Int_t s) {fSeed2=s;}
103 void SetESD(AliESDtrack* esd) {fEsd=esd;}
104 void SetBSigned(Bool_t s) {fBSigned=s;}
105 void SetSort(Int_t s) {fSort=s;}
106 void SetOverlapLabel(Int_t i, Int_t l) {fOverlapLabels[i]=l;}
107 void SetCurrentCluster(AliTPCclusterMI* cl) {fCurrentCluster=cl;}
108 void SetNoCluster(Int_t n) {fNoCluster=n;}
109 void SetRow(Int_t n) {fRow=n;}
110 void SetSector(Int_t n) {fSector=n;}
111 void SetCurrentClusterIndex1(Int_t n) {fCurrentClusterIndex1=n;}
112 void SetInDead(Bool_t s) {fInDead=s;}
114 Double_t TPCrPID(Int_t i) const {return fTPCr[i];}
115 Double_t* TPCrPIDs() {return fTPCr;}
116 Bool_t GetIsSeeding() const {return fIsSeeding;}
117 Int_t GetSeedType() const {return fSeedType;}
118 Int_t GetSeed1() const {return fSeed1;}
119 Int_t GetSeed2() const {return fSeed2;}
120 AliESDtrack* GetESD() {return fEsd;}
121 Float_t GetSDEDX(Int_t i) const {return fSDEDX[i];}
122 Float_t GetDEDXregion(Int_t i) const {return fDEDX[i];}
123 Int_t GetNCDEDX(Int_t i) const {return fNCDEDX[i];}
124 Int_t GetNCDEDXInclThres(Int_t i) const {return fNCDEDXInclThres[i];}
125 Bool_t GetBSigned() const {return fBSigned;}
126 Int_t GetSort() const {return fSort;}
127 Int_t GetOverlapLabel(Int_t i) const {return fOverlapLabels[i];}
128 AliTPCclusterMI* GetCurrentCluster() const {return fCurrentCluster;}
129 Int_t GetNoCluster() const {return fNoCluster;}
130 Int_t GetRow() const {return fRow;}
131 Int_t GetCurrentClusterIndex1() const {return fCurrentClusterIndex1;}
132 Bool_t GetInDead() const {return fInDead;}
133 Float_t GetErrorY2() const {return fErrorY2;}
134 Float_t GetErrorZ2() const {return fErrorZ2;}
135 Float_t GetCMeanSigmaY2p30() const {return fCMeanSigmaY2p30;}
136 Float_t GetCMeanSigmaZ2p30() const {return fCMeanSigmaZ2p30;}
137 Float_t GetCMeanSigmaY2p30R() const {return fCMeanSigmaY2p30R;}
138 Float_t GetCMeanSigmaZ2p30R() const {return fCMeanSigmaZ2p30R;}
142 Float_t CookdEdxNorm(Double_t low=0.05, Double_t up=0.70, Int_t type=0, Int_t i1=0, Int_t i2=159, Bool_t shapeNorm=kTRUE, Int_t posNorm=0, Int_t padNorm=0,Int_t returnVal=0);
144 Float_t CookdEdxAnalytical(Double_t low=0.05, Double_t up=0.70, Int_t type=0, Int_t i1=0, Int_t i2=159, Int_t returnVal=0, Int_t rowThres = 2, Int_t mode=0, TVectorT<float> *returnVec = NULL);
146 static void GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param,
147 Double_t& erry, Double_t &errz);
148 static void GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param,
149 Double_t& rmsy, Double_t &rmsz);
150 static Double_t GetQCorrGeom(Float_t ty, Float_t tz);
151 static Double_t GetQCorrShape(Int_t ipad, Int_t type,Float_t z, Float_t ty, Float_t tz, Float_t q, Float_t thr);
153 // Float_t GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1, TVectorT<float> *returnVec);
154 void SetPoolID(Int_t id) {fPoolID = id;}
155 Int_t GetPoolID() const {return fPoolID;}
156 Int_t GetNumberOfClustersIndices(); // Should be in AliTPCtrack
158 // AliVVTPCseed interface
160 void CopyToTPCseed( AliTPCseed &s) const { s = *this; }
163 // AliTPCseed & operator = (const AliTPCseed &)
164 // {::Fatal("= operator","Not Implemented\n");return *this;}
165 AliESDtrack * fEsd; //!
166 AliTPCclusterMI* fClusterPointer[160]; // array of cluster pointers -
167 Bool_t fClusterOwner; // indicates the track is owner of cluster
169 Int_t fRow; // current row number
170 Int_t fSector; // current sector number
171 Int_t fRelativeSector; // index of current relative sector
172 Float_t fCurrentSigmaY2; //!expected current cluster sigma Y
173 Float_t fCurrentSigmaZ2; //!expected current cluster sigma Z
174 Float_t fCMeanSigmaY2p30; //! current mean sigma Y2 - mean30%
175 Float_t fCMeanSigmaZ2p30; //! current mean sigma Z2 - mean30%
176 Float_t fCMeanSigmaY2p30R; //! current relative mean sigma Y2 - mean30%
177 Float_t fCMeanSigmaZ2p30R; //! current relative mean sigma Z2 - mean30%
178 Float_t fErrorY2; //!sigma of current cluster
179 Float_t fErrorZ2; //!sigma of current cluster
180 AliTPCclusterMI * fCurrentCluster; //!pointer to the current cluster for prolongation
181 Int_t fCurrentClusterIndex1; //! index of the current cluster
182 Bool_t fInDead; //! indicate if the track is in dead zone
183 Bool_t fIsSeeding; //!indicates if it is proces of seeading
184 Int_t fNoCluster; //!indicates number of rows without clusters
185 Int_t fSort; //!indicate criteria for sorting
186 Bool_t fBSigned; //indicates that clusters of this trackes are signed to be used
189 Float_t fDEDX[9]; // dedx according padrows
190 Float_t fSDEDX[4]; // sdedx according padrows
191 Int_t fNCDEDX[4]; // number of clusters for dedx measurment
192 Int_t fNCDEDXInclThres[4]; // number of clusters for dedx measurment including sub-threshold clusters
193 Double_t fTPCr[AliPID::kSPECIES]; // rough PID according TPC
195 Int_t fSeedType; //seeding type
196 Int_t fSeed1; //first row for seeding
197 Int_t fSeed2; //last row for seeding
198 Int_t fOverlapLabels[12]; //track labels and the length of the overlap
199 Float_t fMAngular; // mean angular factor
200 Char_t fCircular; // indicates curlin track
201 AliTPCTrackerPoint fTrackPoints[160]; //track points - array track points
202 Int_t fPoolID; //! id in the pool
203 ClassDef(AliTPCseed,7)