/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
+/* $Id$ */
+
//-------------------------------------------------------------------------
// Class AliESDtrack
-// This is the class to deal with during the physical analysis of data
+// This is the class to deal with during the physics analysis of data
//
// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
//-------------------------------------------------------------------------
-#include "TObject.h"
+/*****************************************************************************
+ * Use GetExternalParameters() and GetExternalCovariance() to access the *
+ * track information regardless of its internal representation. *
+ * This formation is now fixed in the following way: *
+ * external param0: local Y-coordinate of a track (cm) *
+ * external param1: local Z-coordinate of a track (cm) *
+ * external param2: local sine of the track momentum azimuthal angle *
+ * external param3: tangent of the track momentum dip angle *
+ * external param4: 1/pt (1/(GeV/c)) *
+ *****************************************************************************/
+
+#include <TBits.h>
+#include <TObject.h>
+#include "AliPID.h"
+#include <TVector3.h>
class AliKalmanTrack;
+const Int_t kNPlane = 6;
+
class AliESDtrack : public TObject {
public:
AliESDtrack();
- virtual ~AliESDtrack() {}
+ AliESDtrack(const AliESDtrack& track);
+ virtual ~AliESDtrack();
+ void MakeMiniESDtrack();
+ void SetID(Int_t id) { fID =id;}
+ Int_t GetID(){ return fID;}
void SetStatus(ULong_t flags) {fFlags|=flags;}
void ResetStatus(ULong_t flags) {fFlags&=~flags;}
- Bool_t UpdateTrackParams(AliKalmanTrack *t, ULong_t flags);
+ Bool_t UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags);
+ void SetImpactParameters(Float_t xy,Float_t z) {fD=xy; fZ=z;}
void SetIntegratedLength(Double_t l) {fTrackLength=l;}
void SetIntegratedTimes(const Double_t *times);
void SetESDpid(const Double_t *p);
ULong_t GetStatus() const {return fFlags;}
Int_t GetLabel() const {return fLabel;}
Double_t GetAlpha() const {return fRalpha;}
- void GetExternalParametersAt(Double_t x, Double_t p[5]) const;
void GetExternalParameters(Double_t &x, Double_t p[5]) const;
void GetExternalCovariance(Double_t cov[15]) const;
+
+ Bool_t GetExternalParametersAt(Double_t x, Double_t p[5]) const;
+ Bool_t GetPxPyPzAt(Double_t x, Double_t p[3]) const;
+ Bool_t GetXYZAt(Double_t x, Double_t r[3]) const;
+
+ void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
Double_t GetIntegratedLength() const {return fTrackLength;}
void GetIntegratedTimes(Double_t *times) const;
- Float_t GetMass() const;
+ Double_t GetMass() const;
Double_t GetP() const;
- void GetPxPyPz(Double_t *p) const;
- void GetXYZ(Double_t *r) const;
+ Bool_t GetPxPyPz(Double_t *p) const;
+ TVector3 P3() const {Double_t p[3]; GetPxPyPz(p); return TVector3(p[0],p[1],p[2]);} //running track momentum
+ Bool_t GetXYZ(Double_t *r) const;
+ TVector3 X3() const {Double_t x[3]; GetXYZ(x); return TVector3(x[0],x[1],x[2]);} //running track position
+ void GetCovariance(Double_t cov[21]) const;
+ Int_t GetSign() const {return (fRp[4]>0) ? 1 : -1;}
- void SetTPCpid(const Double_t *p);
- void GetTPCpid(Double_t *p) const;
- Float_t GetTPCsignal() const {return fTPCsignal;}
- Int_t GetTPCclusters(Int_t *idx) const;
+ void SetConstrainedTrackParams(const AliKalmanTrack *t, Double_t chi2);
+
+ Double_t GetConstrainedAlpha() const {return fCalpha;}
+ Double_t GetConstrainedChi2() const {return fCchi2;}
+ void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const;
+ void GetConstrainedExternalCovariance(Double_t cov[15]) const;
+ Bool_t GetConstrainedPxPyPz(Double_t *p) const;
+ Bool_t GetConstrainedXYZ(Double_t *r) const;
+
+ Bool_t GetInnerPxPyPz(Double_t *p) const;
+ Bool_t GetInnerXYZ(Double_t *r) const;
+ void GetInnerExternalParameters(Double_t &x, Double_t p[5]) const;//skowron
+ void GetInnerExternalCovariance(Double_t cov[15]) const;//skowron
+ Double_t GetInnerAlpha() const {return fIalpha;}
+
void SetITSpid(const Double_t *p);
+ void SetITSChi2MIP(const Float_t *chi2mip);
+ void SetITStrack(AliKalmanTrack * track){fITStrack=track;}
void GetITSpid(Double_t *p) const;
Float_t GetITSsignal() const {return fITSsignal;}
+ Float_t GetITSchi2() const {return fITSchi2;}
Int_t GetITSclusters(UInt_t *idx) const;
+ Int_t GetITSLabel() const {return fITSLabel;}
+ Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
+ AliKalmanTrack * GetITStrack(){return fITStrack;}
+ void SetTPCpid(const Double_t *p);
+ void GetTPCpid(Double_t *p) const;
+ void SetTPCPoints(Float_t points[4]){for (Int_t i=0;i<4;i++) fTPCPoints[i]=points[i];}
+ void SetKinkIndexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fKinkIndexes[i] = points[i];}
+ void SetV0Indexes(Int_t points[3]) {for (Int_t i=0;i<3;i++) fV0Indexes[i] = points[i];}
+ Float_t GetTPCsignal() const {return fTPCsignal;}
+ Float_t GetTPCchi2() const {return fTPCchi2;}
+ Int_t GetTPCclusters(Int_t *idx) const;
+ Int_t GetTPCLabel() const {return fTPCLabel;}
+ Int_t GetKinkIndex(Int_t i) const { return fKinkIndexes[i];}
+ Int_t GetV0Index(Int_t i) const { return fV0Indexes[i];}
+ const TBits& GetTPCClusterMap() const {return fTPCClusterMap;}
+
void SetTRDpid(const Double_t *p);
+ void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
+ Float_t GetTRDQuality()const {return fTRDQuality;}
+ void SetTRDtrack(AliKalmanTrack * track){fTRDtrack=track;}
+ void SetTRDsignals(Float_t dedx, Int_t i) {fTRDsignals[i]=dedx;}
+ void SetTRDTimBin(Int_t timbin, Int_t i) {fTRDTimBin[i]=timbin;}
void GetTRDpid(Double_t *p) const;
Float_t GetTRDsignal() const {return fTRDsignal;}
+ Float_t GetTRDsignals(Int_t i) const {return fTRDsignals[i];}
+ Int_t GetTRDTimBin(Int_t i) const {return fTRDTimBin[i];}
+ Float_t GetTRDchi2() const {return fTRDchi2;}
+ Int_t GetTRDclusters(UInt_t *idx) const;
+ Int_t GetTRDncls() const {return fTRDncls;}
void SetTRDpid(Int_t iSpecies, Float_t p);
Float_t GetTRDpid(Int_t iSpecies) const;
+ Int_t GetTRDLabel() const {return fTRDLabel;}
+ void GetTRDExternalParameters(Double_t &x, Double_t &alpha, Double_t p[5], Double_t cov[15]) const;//MI
+ AliKalmanTrack * GetTRDtrack(){return fTRDtrack;}
void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
Float_t GetTOFsignal() const {return fTOFsignal;}
+ Float_t GetTOFchi2() const {return fTOFchi2;}
void SetTOFpid(const Double_t *p);
+ void SetTOFLabel(const Int_t *p);
void GetTOFpid(Double_t *p) const;
+ void GetTOFLabel(Int_t *p) const;
+ void GetTOFInfo(Float_t *info) const;
+ void SetTOFInfo(Float_t *info);
UInt_t GetTOFcluster() const {return fTOFindex;}
void SetTOFcluster(UInt_t index) {fTOFindex=index;}
- void GetVertexXYZ(Double_t& x,Double_t& y, Double_t&z) const;
- void GetVertexPxPyPz(Double_t& px,Double_t& py, Double_t& pz) const;
- Bool_t HasVertexParameters() const {return fVertex;}
+ void SetRICHsignal(Double_t beta) {fRICHsignal=beta;}
+ Float_t GetRICHsignal() const {return fRICHsignal;}
+ void SetRICHpid(const Double_t *p);
+ void GetRICHpid(Double_t *p) const;
+ void SetRICHchi2(Double_t chi2) {fRICHchi2=chi2;}
+ Float_t GetRICHchi2() const {return fRICHchi2;}
+ void SetRICHcluster(UInt_t index) {fRICHindex=index;}
+ UInt_t GetRICHcluster() const {return fRICHindex;}
+ void SetRICHnclusters(Int_t n) {fRICHncls=n;}
+ Int_t GetRICHnclusters() const {return fRICHncls;}
+ void SetRICHthetaPhi(Double_t theta, Double_t phi) {
+ fRICHtheta=theta; fRICHphi=phi;
+ }
+ void GetRICHthetaPhi(Double_t &theta, Double_t &phi) const {
+ theta=fRICHtheta; phi=fRICHphi;
+ }
+ void SetRICHdxdy(Double_t dx, Double_t dy) {
+ fRICHdx=dx; fRICHdy=dy;
+ }
+ void GetRICHdxdy(Double_t &dx, Double_t &dy) const {
+ dx=fRICHdx; dy=fRICHdy;
+ }
+
+ void SetPHOSposition(const Double_t *pos) {
+ fPHOSpos[0] = pos[0]; fPHOSpos[1]=pos[1]; fPHOSpos[2]=pos[2];
+ }
+ void SetPHOSsignal(Double_t ene) {fPHOSsignal = ene; }
+ void SetPHOSpid(const Double_t *p);
+ void GetPHOSposition(Double_t *pos) const {
+ pos[0]=fPHOSpos[0]; pos[1]=fPHOSpos[1]; pos[2]=fPHOSpos[2];
+ }
+ Float_t GetPHOSsignal() const {return fPHOSsignal;}
+ void GetPHOSpid(Double_t *p) const;
+
+ void SetEMCALposition(const Double_t *pos) {
+ fEMCALpos[0] = pos[0]; fEMCALpos[1]=pos[1]; fEMCALpos[2]=pos[2];
+ }
+ void SetEMCALsignal(Double_t ene) {fEMCALsignal = ene; }
+ void SetEMCALpid(const Double_t *p);
+ void GetEMCALposition(Double_t *pos) const {
+ pos[0]=fEMCALpos[0]; pos[1]=fEMCALpos[1]; pos[2]=fEMCALpos[2];
+ }
+ Float_t GetEMCALsignal() const {return fEMCALsignal;}
+ void GetEMCALpid(Double_t *p) const;
+
+ Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
+ Bool_t IsRICH() const {return fFlags&kRICHpid;}
+ Bool_t IsPHOS() const {return fFlags&kPHOSpid;}
+ Bool_t IsEMCAL() const {return fFlags&kEMCALpid;}
+
+ virtual void Print(Option_t * opt) const ;
enum {
kITSin=0x0001,kITSout=0x0002,kITSrefit=0x0004,kITSpid=0x0008,
kTPCin=0x0010,kTPCout=0x0020,kTPCrefit=0x0040,kTPCpid=0x0080,
kTRDin=0x0100,kTRDout=0x0200,kTRDrefit=0x0400,kTRDpid=0x0800,
kTOFin=0x1000,kTOFout=0x2000,kTOFrefit=0x4000,kTOFpid=0x8000,
+ kPHOSpid=0x10000, kRICHpid=0x20000, kEMCALpid=0x40000,
+ kTRDbackup=0x80000,
+ kTRDStop=0x20000000,
kESDpid=0x40000000,
kTIME=0x80000000
};
- enum {kSPECIES=5}; // Number of particle species recognized by the PID
-
protected:
ULong_t fFlags; // Reconstruction status flags
Int_t fLabel; // Track label
-
- Float_t fTrackLength; // Track length
- Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
- Float_t fR[kSPECIES]; // combined "detector response probability"
+ Int_t fID; // Unique ID of the track
+ Float_t fTrackLength; // Track length
+ Float_t fD; // Impact parameter in XY-plane
+ Float_t fZ; // Impact parameter in Z
+ Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
+ Float_t fR[AliPID::kSPECIES]; // combined "detector response probability"
Int_t fStopVertex; // Index of stop vertex
Double_t fRp[5]; // external track parameters
Double_t fRc[15]; // external cov. matrix of the track parameters
-//Track parameters at the innermost measured point
- //Double_t fIalpha,fIx,fIp[5],fIc[15];
+//Track parameters constrained to the primary vertex
+ Double_t fCalpha; // Track rotation angle
+ Double_t fCx; // x-coordinate of the track reference plane
+ Double_t fCp[5]; // external track parameters
+ Double_t fCc[15]; // external cov. matrix of the track parameters
+ Double_t fCchi2; //chi2 at the primary vertex
-//Track parameters at the outermost measured point
- //Double_t fOalpha,fOx,fOp[5],fOc[15];
+//Track parameters at the inner wall of the TPC
+ Double_t fIalpha; // Track rotation angle
+ Double_t fIx; // x-coordinate of the track reference plane
+ Double_t fIp[5]; // external track parameters
+ Double_t fIc[15]; // external cov. matrix of the track parameters
+
+//Track parameters at the inner wall of the TRD
+ Double_t fTalpha; // Track rotation angle
+ Double_t fTx; // x-coordinate of the track reference plane
+ Double_t fTp[5]; // external track parameters
+ Double_t fTc[15]; // external cov. matrix of the track parameters
// ITS related track information
Float_t fITSchi2; // chi2 in the ITS
+ Float_t fITSchi2MIP[12]; // chi2s in the ITS
Int_t fITSncls; // number of clusters assigned in the ITS
UInt_t fITSindex[6]; //! indices of the assigned ITS clusters
Float_t fITSsignal; // detector's PID signal
- Float_t fITSr[kSPECIES]; //! "detector response probabilities" (for the PID)
-
- Double_t fVertexX; // X coordinate of point of closest approach to the vertex
- Double_t fVertexY; // Y coordinate of point of closest approach to the vertex
- Double_t fVertexZ; // Z coordinate of point of closest approach to the vertex
-
- Double_t fVertexPx; // Px at point of closest approach to the vertex
- Double_t fVertexPy; // Py at point of closest approach to the vertex
- Double_t fVertexPz; // Pz at point of closest approach to the vertex
-
- Bool_t fVertex; // TRUE if the track was prolongated to the vertex
+ Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
+ Int_t fITSLabel; // label according TPC
+ Float_t fITSFakeRatio; // ration of fake tracks
+ AliKalmanTrack * fITStrack; //! OWNER: pointer to the ITS track -- currently for debug purpose
// TPC related track information
Float_t fTPCchi2; // chi2 in the TPC
Int_t fTPCncls; // number of clusters assigned in the TPC
- UInt_t fTPCindex[180]; //! indices of the assigned TPC clusters
+ Int_t fTPCindex[180]; //! indices of the assigned TPC clusters
+ TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
Float_t fTPCsignal; // detector's PID signal
- Float_t fTPCr[kSPECIES]; // "detector response probabilities" (for the PID)
+ Float_t fTPCr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
+ Int_t fTPCLabel; // label according TPC
+ Float_t fTPCPoints[4]; // TPC points -first, max. dens, last and max density
+ Int_t fKinkIndexes[3]; // array of indexes of posible kink candidates
+ Int_t fV0Indexes[3]; // array of indexes of posible kink candidates
// TRD related track information
Float_t fTRDchi2; // chi2 in the TRD
Int_t fTRDncls; // number of clusters assigned in the TRD
+ Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
+ UInt_t fTRDindex[130]; //! indices of the assigned TRD clusters
Float_t fTRDsignal; // detector's PID signal
- Float_t fTRDr[kSPECIES]; //! "detector response probabilities" (for the PID)
+ Float_t fTRDsignals[kNPlane]; // TRD signals from all six planes
+ Int_t fTRDTimBin[kNPlane]; // Time bin of Max cluster from all six planes
+ Float_t fTRDr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
+ Int_t fTRDLabel; // label according TRD
+ Float_t fTRDQuality; //trd quality factor for TOF
+ AliKalmanTrack * fTRDtrack; //! OWNER: pointer to the TRD track -- currently for debug purpose
// TOF related track information
Float_t fTOFchi2; // chi2 in the TOF
- UInt_t fTOFindex; //! index of the assigned TOF cluster
+ UInt_t fTOFindex; // index of the assigned TOF cluster
Float_t fTOFsignal; // detector's PID signal
- Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
+ Float_t fTOFr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
+ Int_t fTOFLabel[3]; // TOF label
+ Float_t fTOFInfo[10]; //! TOF informations
- // HMPID related track information
+ // PHOS related track information
+ Float_t fPHOSpos[3]; // position localised by PHOS in global coordinate system
+ Float_t fPHOSsignal; // energy measured by PHOS
+ Float_t fPHOSr[AliPID::kSPECIESN]; // PID information from PHOS
+
+ // EMCAL related track information
+ Float_t fEMCALpos[3]; //position localised by EMCAL in global coordinate system
+ Float_t fEMCALsignal; // energy measured by EMCAL
+ Float_t fEMCALr[AliPID::kSPECIESN]; // PID information from EMCAL
- ClassDef(AliESDtrack,1) //ESDtrack
+ // HMPID related track information
+ Float_t fRICHchi2; // chi2 in the RICH
+ Int_t fRICHncls; // number of photon clusters
+ UInt_t fRICHindex; // index of the assigned MIP cluster
+ Float_t fRICHsignal; // RICH PID signal
+ Float_t fRICHr[AliPID::kSPECIES];// "detector response probabilities" (for the PID)
+ Float_t fRICHtheta; // theta of the track extrapolated to the RICH
+ Float_t fRICHphi; // phi of the track extrapolated to the RICH
+ Float_t fRICHdx; // x of the track impact minus x of the MIP
+ Float_t fRICHdy; // y of the track impact minus y of the MIP
+
+ ClassDef(AliESDtrack,13) //ESDtrack
};
#endif
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