Correct sign for calculated b_y (outside measured region).
[u/mrichter/AliRoot.git] / TPC / AliTPCseed.h
CommitLineData
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>
17
18#include "AliTPCtrack.h"
19#include "AliComplexCluster.h"
20#include "AliPID.h"
21
22class TFile;
23class AliTPCParam;
24class AliTPCseed;
25class AliTPCclusterMI;
26class AliTPCTrackerPoint;
27class AliESD;
28class TClonesArray;
29
30class AliTPCseed : public AliTPCtrack {
81e97e0d 31 public:
32 AliTPCseed();
33 virtual ~AliTPCseed();
34 AliTPCseed(const AliTPCtrack &t);
2928bdf0 35 AliTPCseed(const AliTPCseed &s, Bool_t clusterOwner = kFALSE);
81e97e0d 36 //AliTPCseed(const AliTPCseed &t, Double_t a);
6c94f330 37 AliTPCseed(Double_t xr, Double_t alpha, const Double_t xx[5],
179c6296 38 const Double_t cc[15], Int_t i);
39 AliTPCseed &operator = (const AliTPCseed & param);
81e97e0d 40 Int_t Compare(const TObject *o) const;
41 void Reset(Bool_t all = kTRUE);
42 Int_t GetProlongation(Double_t xr, Double_t &y, Double_t & z) const;
af32720d 43 virtual Double_t GetPredictedChi2(const AliCluster *cluster2) const;
6c94f330 44 virtual Bool_t Update(const AliCluster* c2, Double_t chi2, Int_t i);
81e97e0d 45 AliTPCTrackerPoint * GetTrackPoint(Int_t i);
c6c5e49f 46 AliTPCclusterMI * GetClusterFast(Int_t irow){ return fClusterPointer[irow];}
b9671574 47 void SetClusterPointer(Int_t irow, AliTPCclusterMI* cl) {fClusterPointer[irow]=cl;}
81e97e0d 48 void RebuildSeed(); // rebuild seed to be ready for storing
49 Double_t GetDensityFirst(Int_t n);
6c94f330 50 Double_t GetSigma2C() const {
51 Double_t cnv=GetBz()*kB2C;
52 return GetSigma1Pt2()*cnv*cnv;
53 }
81e97e0d 54 void GetClusterStatistic(Int_t first, Int_t last, Int_t &found, Int_t &foundable, Int_t &shared, Bool_t plus2);
55
56 void Modify(Double_t factor);
57 void SetClusterIndex2(Int_t row, Int_t index) {
58 fIndex[row] = index;
59 }
60 Int_t GetClusterIndex2(Int_t row) const {
61 return fIndex[row];
62 }
63 Int_t GetClusterSector(Int_t row) const {
64 Int_t pica = -1;
65 if (fIndex[row]>=0) pica = ((fIndex[row]&0xff000000)>>24);
66 return pica;
67 }
68
6c94f330 69 Double_t GetYat(Double_t x) const;
70
81e97e0d 71 void SetErrorY2(Float_t sy2){fErrorY2=sy2;}
72 void SetErrorZ2(Float_t sz2){fErrorZ2=sz2;}
105b1b81 73 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);
81e97e0d 74 void CookPID();
75 Double_t Bethe(Double_t bg); // return bethe-bloch
76 // void CookdEdx2(Double_t low=0.05, Double_t up=0.70);
77 Bool_t IsActive() const { return !(fRemoval);}
78 void Desactivate(Int_t reason){ fRemoval = reason;}
b9671574 79 AliTPCclusterMI* GetClusterPointer(Int_t i) const {return fClusterPointer[i];}
80 Int_t GetSector() const {return fSector;}
81 Float_t GetCurrentSigmaY2() const {return fCurrentSigmaY2;}
82 Float_t GetCurrentSigmaZ2() const {return fCurrentSigmaZ2;}
83 Int_t GetRelativeSector() const {return fRelativeSector;}
84 Char_t GetCircular() const {return fCircular;}
85
86 void SetCurrentSigmaY2(Float_t s) {fCurrentSigmaY2=s;}
87 void SetCurrentSigmaZ2(Float_t s) {fCurrentSigmaZ2=s;}
88 void SetRelativeSector(Int_t r) {fRelativeSector=r;}
89 void SetCircular(Char_t c) {fCircular=c;}
90 void SetIsSeeding(Bool_t s) {fIsSeeding=s;}
91 void SetSeedType(Int_t s) {fSeedType=s;}
92 void SetSeed1(Int_t s) {fSeed1=s;}
93 void SetSeed2(Int_t s) {fSeed2=s;}
94 void SetESD(AliESDtrack* esd) {fEsd=esd;}
95 void SetBSigned(Bool_t s) {fBSigned=s;}
96 void SetSort(Int_t s) {fSort=s;}
97 void SetOverlapLabel(Int_t i, Int_t l) {fOverlapLabels[i]=l;}
98 void SetCurrentCluster(AliTPCclusterMI* cl) {fCurrentCluster=cl;}
99 void SetNoCluster(Int_t n) {fNoCluster=n;}
100 void SetRow(Int_t n) {fRow=n;}
101 void SetSector(Int_t n) {fSector=n;}
102 void SetCurrentClusterIndex1(Int_t n) {fCurrentClusterIndex1=n;}
103 void SetInDead(Bool_t s) {fInDead=s;}
104 void SetPoints(TClonesArray* p) {fPoints=p;}
105 void SetEPoints(TClonesArray* p) {fEPoints=p;}
106
107 Double_t TPCrPID(Int_t i) const {return fTPCr[i];}
108 Double_t* TPCrPIDs() {return fTPCr;}
109 Bool_t GetIsSeeding() const {return fIsSeeding;}
110 Int_t GetSeedType() const {return fSeedType;}
111 Int_t GetSeed1() const {return fSeed1;}
112 Int_t GetSeed2() const {return fSeed2;}
113 AliESDtrack* GetESD() {return fEsd;}
114 Float_t GetSDEDX(Int_t i) const {return fSDEDX[i];}
115 Int_t GetNCDEDX(Int_t i) const {return fNCDEDX[i];}
116 Bool_t GetBSigned() const {return fBSigned;}
117 Int_t GetSort() const {return fSort;}
118 Int_t GetOverlapLabel(Int_t i) const {return fOverlapLabels[i];}
119 AliTPCclusterMI* GetCurrentCluster() const {return fCurrentCluster;}
120 Int_t GetNoCluster() const {return fNoCluster;}
121 Int_t GetRow() const {return fRow;}
122 Int_t GetCurrentClusterIndex1() const {return fCurrentClusterIndex1;}
123 Bool_t GetInDead() const {return fInDead;}
124 Float_t GetErrorY2() const {return fErrorY2;}
125 Float_t GetErrorZ2() const {return fErrorZ2;}
81e97e0d 126 //
127 //
128 private:
129 // AliTPCseed & operator = (const AliTPCseed &)
130 // {::Fatal("= operator","Not Implemented\n");return *this;}
131 AliESDtrack * fEsd; //!
105b1b81 132 AliTPCclusterMI* fClusterPointer[160]; // array of cluster pointers -
2928bdf0 133 Bool_t fClusterOwner; // indicates the track is owner of cluster
105b1b81 134 TClonesArray * fPoints; //!array with points along the track
135 TClonesArray * fEPoints; //! array with exact points - calculated in special macro not used in tracking
81e97e0d 136 //---CURRENT VALUES
137 Int_t fRow; //!current row number
138 Int_t fSector; //!current sector number
139 Int_t fRelativeSector; //! index of current relative sector
140 Float_t fCurrentSigmaY2; //!expected current cluster sigma Y
141 Float_t fCurrentSigmaZ2; //!expected current cluster sigma Z
142 Float_t fErrorY2; //!sigma of current cluster
143 Float_t fErrorZ2; //!sigma of current cluster
144 AliTPCclusterMI * fCurrentCluster; //!pointer to the current cluster for prolongation
145 Int_t fCurrentClusterIndex1; //! index of the current cluster
146 Bool_t fInDead; //! indicate if the track is in dead zone
147 Bool_t fIsSeeding; //!indicates if it is proces of seeading
148 Int_t fNoCluster; //!indicates number of rows without clusters
149 Int_t fSort; //!indicate criteria for sorting
150 Bool_t fBSigned; //indicates that clusters of this trackes are signed to be used
151 //
152 //
153 Float_t fDEDX[4]; // dedx according padrows
154 Float_t fSDEDX[4]; // sdedx according padrows
155 Int_t fNCDEDX[4]; // number of clusters for dedx measurment
156 Double_t fTPCr[AliPID::kSPECIES]; // rough PID according TPC
157 //
158 Int_t fSeedType; //seeding type
159 Int_t fSeed1; //first row for seeding
160 Int_t fSeed2; //last row for seeding
161 Int_t fOverlapLabels[12]; //track labels and the length of the overlap
162 Float_t fMAngular; // mean angular factor
163 Char_t fCircular; // indicates curlin track
105b1b81 164 AliTPCTrackerPoint fTrackPoints[160]; //track points - array track points
81e97e0d 165 ClassDef(AliTPCseed,1)
166};
167
168
169
170
171
172#endif
173
174