/* 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 "AliExternalTrackParam.h"
+#include "AliPID.h"
+#include "AliESDfriendTrack.h"
+class AliESDVertex;
class AliKalmanTrack;
+class AliTrackPointArray;
-class AliESDtrack : public TObject {
+class AliESDtrack : public AliExternalTrackParam {
public:
AliESDtrack();
- virtual ~AliESDtrack() {}
+ AliESDtrack(const AliESDtrack& track);
+ virtual ~AliESDtrack();
+ const AliESDfriendTrack *GetFriendTrack() const {return fFriendTrack;}
+ void SetFriendTrack(const AliESDfriendTrack *t) {
+ delete fFriendTrack; fFriendTrack=new AliESDfriendTrack(*t);
+ }
+ void AddCalibObject(TObject * object); // add calib object to the list
+ TObject * GetCalibObject(Int_t index); // return calib objct at given position
+ void MakeMiniESDtrack();
+ void SetID(Int_t id) { fID =id;}
+ Int_t GetID() const { 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 SetIntegratedLength(Double_t l) {fTrackLength=l;}
void SetIntegratedTimes(const Double_t *times);
void SetESDpid(const Double_t *p);
void GetESDpid(Double_t *p) const;
+ Bool_t IsOn(Int_t mask) const {return (fFlags&mask)>0;}
ULong_t GetStatus() const {return fFlags;}
Int_t GetLabel() const {return fLabel;}
- Double_t GetAlpha() const {return fRalpha;}
+ void SetLabel(Int_t label) {fLabel = label;}
+
void GetExternalParameters(Double_t &x, Double_t p[5]) const;
void GetExternalCovariance(Double_t cov[15]) const;
+
Double_t GetIntegratedLength() const {return fTrackLength;}
void GetIntegratedTimes(Double_t *times) const;
- Float_t GetMass() const;
- Double_t GetP() const;
- void GetPxPyPz(Double_t *p) const;
- void GetXYZ(Double_t *r) const;
- Int_t GetSign() const {return (fRp[4]<0) ? 1 : -1;}
-
- void SetConstrainedTrackParams(AliKalmanTrack *t, Double_t chi2);
+ Double_t GetMass() const;
- Double_t GetConstrainedAlpha() const {return fCalpha;}
+ Bool_t GetConstrainedPxPyPz(Double_t *p) const {
+ if (!fCp) return kFALSE;
+ return fCp->GetPxPyPz(p);
+ }
+ Bool_t GetConstrainedXYZ(Double_t *r) const {
+ if (!fCp) return kFALSE;
+ return fCp->GetXYZ(r);
+ }
+ Bool_t GetConstrainedExternalParameters
+ (Double_t &alpha, Double_t &x, Double_t p[5]) const;
+ Bool_t GetConstrainedExternalCovariance(Double_t cov[15]) const;
Double_t GetConstrainedChi2() const {return fCchi2;}
- void GetConstrainedExternalParameters(Double_t &x, Double_t p[5]) const;
- void GetConstrainedExternalCovariance(Double_t cov[15]) const;
- void GetConstrainedPxPyPz(Double_t *p) const;
- void GetConstrainedXYZ(Double_t *r) const;
- void GetInnerPxPyPz(Double_t *p) const;
- void 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 GetOuterPxPyPz(Double_t *p) const;
- void GetOuterXYZ(Double_t *r) const;
+ Bool_t GetInnerPxPyPz(Double_t *p) const {
+ if (!fIp) return kFALSE;
+ return fIp->GetPxPyPz(p);
+ }
+ const AliExternalTrackParam * GetInnerParam() const { return fIp;}
+ Bool_t GetInnerXYZ(Double_t *r) const {
+ if (!fIp) return kFALSE;
+ return fIp->GetXYZ(r);
+ }
+ Bool_t GetInnerExternalParameters
+ (Double_t &alpha, Double_t &x, Double_t p[5]) const;
+ Bool_t GetInnerExternalCovariance(Double_t cov[15]) const;
+
+ const AliExternalTrackParam * GetOuterParam() const { return fOp;}
+ Bool_t GetOuterPxPyPz(Double_t *p) const {
+ if (!fOp) return kFALSE;
+ return fOp->GetPxPyPz(p);
+ }
+ Bool_t GetOuterXYZ(Double_t *r) const {
+ if (!fOp) return kFALSE;
+ return fOp->GetXYZ(r);
+ }
+ Bool_t GetOuterExternalParameters
+ (Double_t &alpha, Double_t &x, Double_t p[5]) const;
+ Bool_t GetOuterExternalCovariance(Double_t cov[15]) const;
+
- void SetITSpid(const Double_t *p);
- void GetITSpid(Double_t *p) const;
+ Int_t GetNcls(Int_t idet) const;
+ Int_t GetClusters(Int_t idet, Int_t *idx) const;
+
+ void SetITSpid(const Double_t *p);
+ 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 GetITSclusters(Int_t *idx) const;
+ Int_t GetITSLabel() const {return fITSLabel;}
+ Float_t GetITSFakeRatio() const {return fITSFakeRatio;}
+
+ void SetITStrack(AliKalmanTrack * track){
+ fFriendTrack->SetITStrack(track);
+ }
+ AliKalmanTrack *GetITStrack(){
+ return fFriendTrack->GetITStrack();
+ }
- void SetTPCpid(const Double_t *p);
- void GetTPCpid(Double_t *p) const;
+ 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 SetTPCPointsF(UChar_t findable){fTPCnclsF = findable;}
+ Int_t GetTPCNcls() const { return fTPCncls;}
+ Int_t GetTPCNclsF() const { return fTPCnclsF;}
+ Float_t GetTPCPoints(Int_t i) const {return fTPCPoints[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];
+ }
+ void SetTPCsignal(Float_t signal, Float_t sigma, UChar_t npoints){
+ fTPCsignal = signal; fTPCsignalS = sigma; fTPCsignalN = npoints;
+ }
Float_t GetTPCsignal() const {return fTPCsignal;}
+ Float_t GetTPCsignalSigma() const {return fTPCsignalS;}
+ Float_t GetTPCsignalN() const {return fTPCsignalN;}
Float_t GetTPCchi2() const {return fTPCchi2;}
- Int_t GetTPCclusters(Int_t *idx) const;
- const TBits& GetTPCClusterMap(){return fTPCClusterMap;}
+ Int_t GetTPCclusters(Int_t *idx) const;
+ Float_t GetTPCdensity(Int_t row0, Int_t row1) 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 GetTRDpid(Double_t *p) const;
+ void SetTRDpid(const Double_t *p);
+ void SetTRDQuality(Float_t quality){fTRDQuality=quality;}
+ Float_t GetTRDQuality()const {return fTRDQuality;}
+ void SetTRDBudget(Float_t budget){fTRDBudget=budget;}
+ Float_t GetTRDBudget()const {return fTRDBudget;}
+ void SetTRDsignals(Float_t dedx, Int_t i, Int_t j) {fTRDsignals[i][j]=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 iPlane, Int_t iSlice=-1) const { if (iSlice == -1)
+ return (fTRDsignals[iPlane][0] + fTRDsignals[iPlane][1] + fTRDsignals[iPlane][2])/3.0;
+ return fTRDsignals[iPlane][iSlice];
+ }
+ 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 GetTRDclusters(Int_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 SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
+ void SetTRDtrack(AliKalmanTrack * track){
+ fFriendTrack->SetTRDtrack(track);
+ }
+ AliKalmanTrack *GetTRDtrack(){
+ return fFriendTrack->GetTRDtrack();
+ }
+
+ void SetTOFsignal(Double_t tof) {fTOFsignal=tof;}
Float_t GetTOFsignal() const {return fTOFsignal;}
+ void SetTOFsignalToT(Double_t ToT) {fTOFsignalToT=ToT;}
+ Float_t GetTOFsignalToT() const {return fTOFsignalToT;}
Float_t GetTOFchi2() const {return fTOFchi2;}
void SetTOFpid(const Double_t *p);
+ void SetTOFLabel(const Int_t *p);
void GetTOFpid(Double_t *p) const;
- UInt_t GetTOFcluster() const {return fTOFindex;}
- void SetTOFcluster(UInt_t index) {fTOFindex=index;}
+ void GetTOFLabel(Int_t *p) const;
+ void GetTOFInfo(Float_t *info) const;
+ void SetTOFInfo(Float_t *info);
+ Int_t GetTOFCalChannel() const {return fTOFCalChannel;}
+ Int_t GetTOFcluster() const {return fTOFindex;}
+ void SetTOFcluster(Int_t index) {fTOFindex=index;}
+ void SetTOFCalChannel(Int_t index) {fTOFCalChannel=index;}
+ 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(Int_t index) {fRICHindex=index;}
+ Int_t GetRICHcluster() const {return fRICHindex;}
+ void SetRICHnclusters(Int_t n) {fRICHncls=n;}
+ Int_t GetRICHnclusters() const {return fRICHncls;}
+ void SetRICHthetaPhi(Float_t theta, Float_t phi) {
+ fRICHtheta=theta; fRICHphi=phi;
+ }
+ void GetRICHthetaPhi(Float_t &theta, Float_t &phi) const {
+ theta=fRICHtheta; phi=fRICHphi;
+ }
+ void SetRICHdxdy(Float_t dx, Float_t dy) {
+ fRICHdx=dx; fRICHdy=dy;
+ }
+ void GetRICHdxdy(Float_t &dx, Float_t &dy) const {
+ dx=fRICHdx; dy=fRICHdy;
+ }
+ void SetRICHmipXY(Float_t x, Float_t y) {
+ fRICHmipX=x; fRICHmipY=y;
+ }
+ void GetRICHmipXY(Float_t &x, Float_t &y) const {
+ x=fRICHmipX; y=fRICHmipY;
+ }
+ Bool_t IsRICH() const {return fFlags&kRICHpid;}
+
+ void SetTrackPointArray(AliTrackPointArray *points);
+ const AliTrackPointArray *GetTrackPointArray() const;
+
+ Bool_t RelateToVertex(const AliESDVertex *vtx, Double_t b, Double_t maxd);
+ void GetImpactParameters(Float_t &xy,Float_t &z) const {xy=fD; z=fZ;}
+ void GetImpactParameters(Float_t p[2], Float_t cov[3]) const {
+ p[0]=fD; p[1]=fZ; cov[0]=fCdd; cov[1]=fCdz; cov[2]=fCzz;
+ }
+ 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,
+ kRICHpid=0x20000,
+ kTRDbackup=0x80000,
+ kTRDStop=0x20000000,
kESDpid=0x40000000,
kTIME=0x80000000
};
- enum {kSPECIES=5}; // Number of particle species recognized by the PID
-
+ enum {
+ kNPlane = 6,
+ kNSlice = 3
+ };
protected:
- ULong_t fFlags; // Reconstruction status flags
- Int_t fLabel; // Track label
+
+
+ ULong_t fFlags; // Reconstruction status flags
+ Int_t fLabel; // Track label
+ 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 fCdd,fCdz,fCzz; // Covariance matrix of the impact parameters
+ Float_t fTrackTime[AliPID::kSPECIES]; // TOFs estimated by the tracking
+ Float_t fR[AliPID::kSPECIES]; // combined "detector response probability"
- Float_t fTrackLength; // Track length
- Float_t fTrackTime[kSPECIES]; // TOFs estimated by the tracking
- Float_t fR[kSPECIES]; // combined "detector response probability"
+ Int_t fStopVertex; // Index of the stop vertex
- Int_t fStopVertex; // Index of stop vertex
+ AliExternalTrackParam *fCp; // Track parameters constrained to the primary vertex
+ Double_t fCchi2; // chi2 at the primary vertex
-//Running track parameters
- Double_t fRalpha; // track rotation angle
- Double_t fRx; // X-coordinate of the track reference plane
- Double_t fRp[5]; // external track parameters
- Double_t fRc[15]; // external cov. matrix of the track parameters
-//Track parameters constrained to the primary vertex
- Double_t fCalpha,fCx,fCp[5],fCc[15];
- Double_t fCchi2; //chi2 at the primary vertex
+ AliExternalTrackParam *fIp; // Track parameters at the inner wall of the TPC
-//Track parameters at the inner wall of the TPC
- Double_t fIalpha,fIx,fIp[5],fIc[15];
-//Track parameters at the radius of the PHOS
- Double_t fOalpha,fOx,fOp[5],fOc[15];
+ AliExternalTrackParam *fOp; // Track parameters at the inner wall of the TRD
// ITS related track information
Float_t fITSchi2; // chi2 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)
+ Float_t fITSr[AliPID::kSPECIES]; // "detector response probabilities" (for the PID)
+ Int_t fITSLabel; // label according TPC
+ Float_t fITSFakeRatio; // ration of fake tracks
+
// 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
- 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 fTPCchi2; // chi2 in the TPC
+ Int_t fTPCncls; // number of clusters assigned in the TPC
+ UShort_t fTPCnclsF; // number of findable clusters in the TPC
+ TBits fTPCClusterMap; // Map of clusters, one bit per padrow; 1 if has a cluster on given padrow
+ Float_t fTPCsignal; // detector's PID signal
+ UShort_t fTPCsignalN; // number of points used for dEdx
+ Float_t fTPCsignalS; // RMS of dEdx measurement
+ 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
- UInt_t fTRDindex[90]; //! indices of the assigned TRD clusters
+ Int_t fTRDncls0; // number of clusters assigned in the TRD before first material cross
Float_t fTRDsignal; // detector's PID signal
- Float_t fTRDr[kSPECIES]; // "detector response probabilities" (for the PID)
+ Float_t fTRDsignals[kNPlane][kNSlice]; // TRD signals from all six planes in 3 slices each
+ 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
+ Float_t fTRDBudget; // trd material budget
+
// TOF related track information
Float_t fTOFchi2; // chi2 in the TOF
- UInt_t fTOFindex; // index of the assigned TOF cluster
+ Int_t fTOFindex; // index of the assigned TOF cluster
+ Int_t fTOFCalChannel; // Channel Index of the TOF Signal
Float_t fTOFsignal; // detector's PID signal
- Float_t fTOFr[kSPECIES]; // "detector response probabilities" (for the PID)
+ Float_t fTOFsignalToT; // detector's ToT signal
+ 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
+ Float_t fRICHchi2; // chi2 in the RICH
+ Int_t fRICHncls; // number of photon clusters
+ Int_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
+ Float_t fRICHmipX; // x of the MIP in LORS
+ Float_t fRICHmipY; // y of the MIP in LORS
+
+ AliTrackPointArray *fPoints;// Array of track space points in the global frame
+
+ AliESDfriendTrack *fFriendTrack; //! All the complementary information
+
+ private:
+
+ AliESDtrack & operator=(const AliESDtrack & ) {return *this;}
- ClassDef(AliESDtrack,1) //ESDtrack
+ ClassDef(AliESDtrack,29) //ESDtrack
};
#endif