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[u/mrichter/AliRoot.git] / TPC / AliTPCseed.h
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81e97e0d 1#ifndef ALITPCSEED_H
2#define ALITPCSEED_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6
7/* $Id$ */
8
9//-------------------------------------------------------
10// TPC seed
11// Class needed for TPC parallel tracking
12//
13// Origin:
14//-------------------------------------------------------
15
16#include <TError.h>
19b00333 17#include <TBits.h>
81e97e0d 18
19#include "AliTPCtrack.h"
20#include "AliComplexCluster.h"
21#include "AliPID.h"
22
23class TFile;
24class AliTPCParam;
25class AliTPCseed;
26class AliTPCclusterMI;
27class AliTPCTrackerPoint;
7cd8ac3f 28class AliESD;
29class AliTPCCalPad;
81e97e0d 30class TClonesArray;
31
32class AliTPCseed : public AliTPCtrack {
81e97e0d 33 public:
34 AliTPCseed();
35 virtual ~AliTPCseed();
36 AliTPCseed(const AliTPCtrack &t);
2928bdf0 37 AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner = kFALSE);
81e97e0d 38 //AliTPCseed(const AliTPCseed &t, Double_t a);
6c94f330 39 AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5],
179c6296 40 const Double_t cc[15], Int_t i);
41 AliTPCseed &operator = (const AliTPCseed & param);
87e92a27 42 static Int_t RefitTrack(AliTPCseed* seed, AliExternalTrackParam * in, AliExternalTrackParam * out);
43 Bool_t RefitTrack(AliTPCseed* seed, Bool_t out);
81e97e0d 44 Int_t Compare(const TObject *o) const;
45 void Reset(Bool_t all = kTRUE);
46 Int_t GetProlongation(Double_t xr, Double_t &y, Double_t & z) const;
af32720d 47 virtual Double_t GetPredictedChi2(const AliCluster *cluster2) const;
6c94f330 48 virtual Bool_t Update(const AliCluster* c2, Double_t chi2, Int_t i);
81e97e0d 49 AliTPCTrackerPoint * GetTrackPoint(Int_t i);
c6c5e49f 50 AliTPCclusterMI * GetClusterFast(Int_t irow){ return fClusterPointer[irow];}
b9671574 51 void SetClusterPointer(Int_t irow, AliTPCclusterMI* cl) {fClusterPointer[irow]=cl;}
81e97e0d 52 Double_t GetDensityFirst(Int_t n);
6c94f330 53 Double_t GetSigma2C() const {
54 Double_t cnv=GetBz()*kB2C;
55 return GetSigma1Pt2()*cnv*cnv;
56 }
81e97e0d 57 void GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2);
58
59 void Modify(Double_t factor);
60 void SetClusterIndex2(Int_t row, Int_t index) {
61 fIndex[row] = index;
62 }
63 Int_t GetClusterIndex2(Int_t row) const {
64 return fIndex[row];
65 }
66 Int_t GetClusterSector(Int_t row) const {
67 Int_t pica = -1;
68 if (fIndex[row]>=0) pica = ((fIndex[row]&0xff000000)>>24);
69 return pica;
70 }
71
6c94f330 72 Double_t GetYat(Double_t x) const;
73
81e97e0d 74 void SetErrorY2(Float_t sy2){fErrorY2=sy2;}
75 void SetErrorZ2(Float_t sz2){fErrorZ2=sz2;}
105b1b81 76 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);
eb02f63a 77 Float_t CookShape(Int_t type);
f845ec0a 78 // Float_t CookShape2(Int_t type,Bool_t withQ);
81e97e0d 79 void CookPID();
81e97e0d 80 Bool_t IsActive() const { return !(fRemoval);}
81 void Desactivate(Int_t reason){ fRemoval = reason;}
b9671574 82 AliTPCclusterMI* GetClusterPointer(Int_t i) const {return fClusterPointer[i];}
83 Int_t GetSector() const {return fSector;}
84 Float_t GetCurrentSigmaY2() const {return fCurrentSigmaY2;}
85 Float_t GetCurrentSigmaZ2() const {return fCurrentSigmaZ2;}
86 Int_t GetRelativeSector() const {return fRelativeSector;}
87 Char_t GetCircular() const {return fCircular;}
88
89 void SetCurrentSigmaY2(Float_t s) {fCurrentSigmaY2=s;}
90 void SetCurrentSigmaZ2(Float_t s) {fCurrentSigmaZ2=s;}
91 void SetRelativeSector(Int_t r) {fRelativeSector=r;}
92 void SetCircular(Char_t c) {fCircular=c;}
93 void SetIsSeeding(Bool_t s) {fIsSeeding=s;}
94 void SetSeedType(Int_t s) {fSeedType=s;}
95 void SetSeed1(Int_t s) {fSeed1=s;}
96 void SetSeed2(Int_t s) {fSeed2=s;}
97 void SetESD(AliESDtrack* esd) {fEsd=esd;}
98 void SetBSigned(Bool_t s) {fBSigned=s;}
99 void SetSort(Int_t s) {fSort=s;}
100 void SetOverlapLabel(Int_t i, Int_t l) {fOverlapLabels[i]=l;}
101 void SetCurrentCluster(AliTPCclusterMI* cl) {fCurrentCluster=cl;}
102 void SetNoCluster(Int_t n) {fNoCluster=n;}
103 void SetRow(Int_t n) {fRow=n;}
104 void SetSector(Int_t n) {fSector=n;}
105 void SetCurrentClusterIndex1(Int_t n) {fCurrentClusterIndex1=n;}
106 void SetInDead(Bool_t s) {fInDead=s;}
b9671574 107
108 Double_t TPCrPID(Int_t i) const {return fTPCr[i];}
109 Double_t* TPCrPIDs() {return fTPCr;}
110 Bool_t GetIsSeeding() const {return fIsSeeding;}
111 Int_t GetSeedType() const {return fSeedType;}
112 Int_t GetSeed1() const {return fSeed1;}
113 Int_t GetSeed2() const {return fSeed2;}
114 AliESDtrack* GetESD() {return fEsd;}
115 Float_t GetSDEDX(Int_t i) const {return fSDEDX[i];}
64bf5ca0 116 Float_t GetDEDXregion(Int_t i) const {return fDEDX[i];}
b9671574 117 Int_t GetNCDEDX(Int_t i) const {return fNCDEDX[i];}
64bf5ca0 118 Int_t GetNCDEDXInclThres(Int_t i) const {return fNCDEDXInclThres[i];}
b9671574 119 Bool_t GetBSigned() const {return fBSigned;}
120 Int_t GetSort() const {return fSort;}
121 Int_t GetOverlapLabel(Int_t i) const {return fOverlapLabels[i];}
122 AliTPCclusterMI* GetCurrentCluster() const {return fCurrentCluster;}
123 Int_t GetNoCluster() const {return fNoCluster;}
124 Int_t GetRow() const {return fRow;}
125 Int_t GetCurrentClusterIndex1() const {return fCurrentClusterIndex1;}
126 Bool_t GetInDead() const {return fInDead;}
127 Float_t GetErrorY2() const {return fErrorY2;}
128 Float_t GetErrorZ2() const {return fErrorZ2;}
e0e13b88 129 Float_t GetCMeanSigmaY2p30() const {return fCMeanSigmaY2p30;}
130 Float_t GetCMeanSigmaZ2p30() const {return fCMeanSigmaZ2p30;}
c07cb486 131 Float_t GetCMeanSigmaY2p30R() const {return fCMeanSigmaY2p30R;}
132 Float_t GetCMeanSigmaZ2p30R() const {return fCMeanSigmaZ2p30R;}
81e97e0d 133 //
134 //
19b00333 135
8a92e133 136 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);
137
6feb400f 138 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);
8a92e133 139
3247d397 140 static void GetError(AliTPCclusterMI* cluster, AliExternalTrackParam * param,
141 Double_t& erry, Double_t &errz);
142 static void GetShape(AliTPCclusterMI* cluster, AliExternalTrackParam * param,
143 Double_t& rmsy, Double_t &rmsz);
ba5e52fb 144 static Double_t GetQCorrGeom(Float_t ty, Float_t tz);
145 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);
64bf5ca0 146 //
147 Float_t GetTPCClustInfo(Int_t nNeighbours, Int_t type, Int_t row0, Int_t row1);
ba5e52fb 148
81e97e0d 149 private:
150 // AliTPCseed & operator = (const AliTPCseed &)
151 // {::Fatal("= operator","Not Implemented\n");return *this;}
152 AliESDtrack * fEsd; //!
105b1b81 153 AliTPCclusterMI* fClusterPointer[160]; // array of cluster pointers -
2928bdf0 154 Bool_t fClusterOwner; // indicates the track is owner of cluster
81e97e0d 155 //---CURRENT VALUES
6d493ea0 156 Int_t fRow; // current row number
157 Int_t fSector; // current sector number
158 Int_t fRelativeSector; // index of current relative sector
81e97e0d 159 Float_t fCurrentSigmaY2; //!expected current cluster sigma Y
160 Float_t fCurrentSigmaZ2; //!expected current cluster sigma Z
e0e13b88 161 Float_t fCMeanSigmaY2p30; //! current mean sigma Y2 - mean30%
162 Float_t fCMeanSigmaZ2p30; //! current mean sigma Z2 - mean30%
c07cb486 163 Float_t fCMeanSigmaY2p30R; //! current relative mean sigma Y2 - mean30%
164 Float_t fCMeanSigmaZ2p30R; //! current relative mean sigma Z2 - mean30%
81e97e0d 165 Float_t fErrorY2; //!sigma of current cluster
166 Float_t fErrorZ2; //!sigma of current cluster
167 AliTPCclusterMI * fCurrentCluster; //!pointer to the current cluster for prolongation
168 Int_t fCurrentClusterIndex1; //! index of the current cluster
169 Bool_t fInDead; //! indicate if the track is in dead zone
170 Bool_t fIsSeeding; //!indicates if it is proces of seeading
171 Int_t fNoCluster; //!indicates number of rows without clusters
172 Int_t fSort; //!indicate criteria for sorting
173 Bool_t fBSigned; //indicates that clusters of this trackes are signed to be used
174 //
175 //
64bf5ca0 176 Float_t fDEDX[5]; // dedx according padrows
177 Float_t fSDEDX[4]; // sdedx according padrows
178 Int_t fNCDEDX[4]; // number of clusters for dedx measurment
179 Int_t fNCDEDXInclThres[4]; // number of clusters for dedx measurment including sub-threshold clusters
81e97e0d 180 Double_t fTPCr[AliPID::kSPECIES]; // rough PID according TPC
181 //
182 Int_t fSeedType; //seeding type
183 Int_t fSeed1; //first row for seeding
184 Int_t fSeed2; //last row for seeding
185 Int_t fOverlapLabels[12]; //track labels and the length of the overlap
186 Float_t fMAngular; // mean angular factor
187 Char_t fCircular; // indicates curlin track
105b1b81 188 AliTPCTrackerPoint fTrackPoints[160]; //track points - array track points
64bf5ca0 189 ClassDef(AliTPCseed,5)
81e97e0d 190};
191
192
193
194
195
196#endif
197
198