// e-mail: Jouri.Belikov@cern.ch
//-----------------------------------------------------------------
-#include "TMath.h"
+#include <TMath.h>
+#include <TParticle.h>
#include "AliESDVertex.h"
#include "AliESDtrack.h"
#include "AliKalmanTrack.h"
-#include "AliTrackPointArray.h"
#include "AliLog.h"
+#include "AliTrackPointArray.h"
ClassImp(AliESDtrack)
-void SetPIDValues(Float_t * dest, const Double_t * src, Int_t n) {
+void SetPIDValues(Double_t * dest, const Double_t * src, Int_t n) {
// This function copies "n" PID weights from "scr" to "dest"
// and normalizes their sum to 1 thus producing conditional probabilities.
// The negative weights are set to 0.
//_______________________________________________________________________
AliESDtrack::AliESDtrack() :
AliExternalTrackParam(),
+ fCp(0),
+ fIp(0),
+ fTPCInner(0),
+ fOp(0),
+ fFriendTrack(new AliESDfriendTrack()),
+ fTPCClusterMap(159),//number of padrows
+ fTPCSharedMap(159),//number of padrows
fFlags(0),
- fLabel(0),
fID(0),
+ fLabel(0),
+ fITSLabel(0),
+ fTPCLabel(0),
+ fTRDLabel(0),
+ fTOFCalChannel(0),
+ fTOFindex(0),
+ fHMPIDqn(0),
+ fHMPIDcluIdx(0),
+ fEMCALindex(kEMCALNoMatch),
+ fHMPIDtrkTheta(0),
+ fHMPIDtrkPhi(0),
+ fHMPIDsignal(0),
fTrackLength(0),
fD(0),fZ(0),
fCdd(0),fCdz(0),fCzz(0),
- fStopVertex(0),
- fCp(0),
- fCchi2(1e10),
- fIp(0),
- fOp(0),
+ fCchi2(0),
fITSchi2(0),
- fITSncls(0),
- fITSsignal(0),
- fITSLabel(0),
- fITSFakeRatio(0),
- fITStrack(0),
fTPCchi2(0),
- fTPCncls(0),
- fTPCnclsF(0),
- fTPCClusterMap(159),//number of padrows
+ fTRDchi2(0),
+ fTOFchi2(0),
+ fHMPIDchi2(0),
+ fITSsignal(0),
fTPCsignal(0),
- fTPCsignalN(0),
fTPCsignalS(0),
- fTPCLabel(0),
- fTRDchi2(0),
- fTRDncls(0),
- fTRDncls0(0),
fTRDsignal(0),
- fTRDLabel(0),
fTRDQuality(0),
fTRDBudget(0),
- fTRDtrack(0),
- fTOFchi2(0),
- fTOFindex(0),
- fTOFCalChannel(-1),
- fTOFsignal(-1),
+ fTOFsignal(0),
fTOFsignalToT(0),
- // fPHOSsignal(-1),
- fRICHchi2(1e10),
- fRICHncls(0),
- fRICHindex(0),
- fRICHsignal(-1),
- fRICHtheta(0),
- fRICHphi(0),
- fRICHdx(0),
- fRICHdy(0),
- fPoints(0)
+ fTOFsignalRaw(0),
+ fTOFsignalDz(0),
+ fHMPIDtrkX(0),
+ fHMPIDtrkY(0),
+ fHMPIDmipX(0),
+ fHMPIDmipY(0),
+ fTPCncls(0),
+ fTPCnclsF(0),
+ fTPCsignalN(0),
+ fITSncls(0),
+ fITSClusterMap(0),
+ fTRDncls(0),
+ fTRDncls0(0),
+ fTRDpidQuality(0)
{
//
// The default ESD constructor
//
- for (Int_t i=0; i<AliPID::kSPECIES; i++) {
+ Int_t i, j;
+ for (i=0; i<AliPID::kSPECIES; i++) {
fTrackTime[i]=0.;
- fR[i]=1.;
- fITSr[i]=1.;
- fTPCr[i]=1.;
- fTRDr[i]=1.;
- fTOFr[i]=1.;
- fRICHr[i]=1.;
+ fR[i]=0.;
+ fITSr[i]=0.;
+ fTPCr[i]=0.;
+ fTRDr[i]=0.;
+ fTOFr[i]=0.;
+ fHMPIDr[i]=0.;
}
- // for (Int_t i=0; i<AliPID::kSPECIESN; i++) {
- // fPHOSr[i] = 1.;
- // }
- // fPHOSpos[0]=fPHOSpos[1]=fPHOSpos[2]=0.;
-
- Int_t i;
- for (i=0; i<12; i++) fITSchi2MIP[i]=1e10;
- for (i=0; i<12; i++) { fITSindex[i]=-1; }
- for (i=0; i<180; i++) { fTPCindex[i]=-2; }
for (i=0; i<3; i++) { fKinkIndexes[i]=0;}
- for (i=0; i<3; i++) { fV0Indexes[i]=-1;}
- for (i=0; i<180; i++) { fTRDindex[i]=-2; }
- for (i=0;i<kNPlane;i++) {fTRDsignals[i]=0.; fTRDTimBin[i]=-1;}
- for (i=0;i<4;i++) {fTPCPoints[i]=-1;}
- for (i=0;i<3;i++) {fTOFLabel[i]=-1;}
- for (i=0;i<10;i++) {fTOFInfo[i]=-1;}
- fTPCLabel = 0;
- fTRDLabel = 0;
- fTRDQuality =0;
- fTRDBudget =0;
- fITSLabel = 0;
- fITStrack = 0;
- fTRDtrack = 0;
+ for (i=0; i<3; i++) { fV0Indexes[i]=0;}
+ for (i=0;i<kNPlane;i++) {
+ for (j=0;j<kNSlice;j++) {
+ fTRDsignals[i][j]=0.;
+ }
+ fTRDTimBin[i]=0;
+ }
+ for (i=0;i<4;i++) {fTPCPoints[i]=0;}
+ for (i=0;i<3;i++) {fTOFLabel[i]=0;}
+ for (i=0;i<10;i++) {fTOFInfo[i]=0;}
+ for (i=0;i<12;i++) {fITSModule[i]=-1;}
}
//_______________________________________________________________________
AliESDtrack::AliESDtrack(const AliESDtrack& track):
AliExternalTrackParam(track),
+ fCp(0),
+ fIp(0),
+ fTPCInner(0),
+ fOp(0),
+ fFriendTrack(0),
+ fTPCClusterMap(track.fTPCClusterMap),
+ fTPCSharedMap(track.fTPCSharedMap),
fFlags(track.fFlags),
- fLabel(track.fLabel),
fID(track.fID),
+ fLabel(track.fLabel),
+ fITSLabel(track.fITSLabel),
+ fTPCLabel(track.fTPCLabel),
+ fTRDLabel(track.fTRDLabel),
+ fTOFCalChannel(track.fTOFCalChannel),
+ fTOFindex(track.fTOFindex),
+ fHMPIDqn(track.fHMPIDqn),
+ fHMPIDcluIdx(track.fHMPIDcluIdx),
+ fEMCALindex(track.fEMCALindex),
+ fHMPIDtrkTheta(track.fHMPIDtrkTheta),
+ fHMPIDtrkPhi(track.fHMPIDtrkPhi),
+ fHMPIDsignal(track.fHMPIDsignal),
fTrackLength(track.fTrackLength),
fD(track.fD),fZ(track.fZ),
fCdd(track.fCdd),fCdz(track.fCdz),fCzz(track.fCzz),
- fStopVertex(track.fStopVertex),
- fCp(0),
fCchi2(track.fCchi2),
- fIp(0),
- fOp(0),
fITSchi2(track.fITSchi2),
- fITSncls(track.fITSncls),
- fITSsignal(track.fITSsignal),
- fITSLabel(track.fITSLabel),
- fITSFakeRatio(track.fITSFakeRatio),
- fITStrack(0), //coping separatelly - in user code
fTPCchi2(track.fTPCchi2),
- fTPCncls(track.fTPCncls),
- fTPCnclsF(track.fTPCnclsF),
- fTPCClusterMap(track.fTPCClusterMap),
+ fTRDchi2(track.fTRDchi2),
+ fTOFchi2(track.fTOFchi2),
+ fHMPIDchi2(track.fHMPIDchi2),
+ fITSsignal(track.fITSsignal),
fTPCsignal(track.fTPCsignal),
- fTPCsignalN(track.fTPCsignalN),
fTPCsignalS(track.fTPCsignalS),
- fTPCLabel(track.fTPCLabel),
- fTRDchi2(track.fTRDchi2),
- fTRDncls(track.fTRDncls),
- fTRDncls0(track.fTRDncls0),
fTRDsignal(track.fTRDsignal),
- fTRDLabel(track.fTRDLabel),
fTRDQuality(track.fTRDQuality),
fTRDBudget(track.fTRDBudget),
- fTRDtrack(0),
- fTOFchi2(track.fTOFchi2),
- fTOFindex(track.fTOFindex),
- fTOFCalChannel(track.fTOFCalChannel),
fTOFsignal(track.fTOFsignal),
fTOFsignalToT(track.fTOFsignalToT),
- //fPHOSsignal(track.fPHOSsignal),
- fRICHchi2(track.fRICHchi2),
- fRICHncls(track.fRICHncls),
- fRICHindex(track.fRICHindex),
- fRICHsignal(track.fRICHsignal),
- fRICHtheta(track.fRICHtheta),
- fRICHphi(track.fRICHphi),
- fRICHdx(track.fRICHdx),
- fRICHdy(track.fRICHdy)
+ fTOFsignalRaw(track.fTOFsignalRaw),
+ fTOFsignalDz(track.fTOFsignalDz),
+ fHMPIDtrkX(track.fHMPIDtrkX),
+ fHMPIDtrkY(track.fHMPIDtrkY),
+ fHMPIDmipX(track.fHMPIDmipX),
+ fHMPIDmipY(track.fHMPIDmipY),
+ fTPCncls(track.fTPCncls),
+ fTPCnclsF(track.fTPCnclsF),
+ fTPCsignalN(track.fTPCsignalN),
+ fITSncls(track.fITSncls),
+ fITSClusterMap(track.fITSClusterMap),
+ fTRDncls(track.fTRDncls),
+ fTRDncls0(track.fTRDncls0),
+ fTRDpidQuality(track.fTRDpidQuality)
{
//
//copy constructor
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i]=track.fTrackTime[i];
for (Int_t i=0;i<AliPID::kSPECIES;i++) fR[i]=track.fR[i];
//
- for (Int_t i=0;i<12;i++) fITSchi2MIP[i]=track.fITSchi2MIP[i];
- for (Int_t i=0;i<12;i++) fITSindex[i]=track.fITSindex[i];
for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=track.fITSr[i];
//
- for (Int_t i=0;i<180;i++) fTPCindex[i]=track.fTPCindex[i];
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=track.fTPCr[i];
for (Int_t i=0;i<4;i++) {fTPCPoints[i]=track.fTPCPoints[i];}
for (Int_t i=0; i<3;i++) { fKinkIndexes[i]=track.fKinkIndexes[i];}
for (Int_t i=0; i<3;i++) { fV0Indexes[i]=track.fV0Indexes[i];}
//
- for (Int_t i=0;i<180;i++) fTRDindex[i]=track.fTRDindex[i];
for (Int_t i=0;i<kNPlane;i++) {
- fTRDsignals[i]=track.fTRDsignals[i];
- fTRDTimBin[i]=track.fTRDTimBin[i];
+ for (Int_t j=0;j<kNSlice;j++) {
+ fTRDsignals[i][j]=track.fTRDsignals[i][j];
+ }
+ fTRDTimBin[i]=track.fTRDTimBin[i];
}
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i]=track.fTRDr[i];
- //
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i]=track.fTOFr[i];
for (Int_t i=0;i<3;i++) fTOFLabel[i]=track.fTOFLabel[i];
for (Int_t i=0;i<10;i++) fTOFInfo[i]=track.fTOFInfo[i];
- //
- // for (Int_t i=0;i<3;i++) fPHOSpos[i]=track.fPHOSpos[i];
- //for (Int_t i=0;i<AliPID::kSPECIESN;i++) fPHOSr[i]=track.fPHOSr[i];
- //
- for (Int_t i=0;i<AliPID::kSPECIES;i++) fRICHr[i]=track.fRICHr[i];
+ for (Int_t i=0;i<12;i++) fITSModule[i]=track.fITSModule[i];
+ for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i]=track.fHMPIDr[i];
if (track.fCp) fCp=new AliExternalTrackParam(*track.fCp);
if (track.fIp) fIp=new AliExternalTrackParam(*track.fIp);
+ if (track.fTPCInner) fTPCInner=new AliExternalTrackParam(*track.fTPCInner);
if (track.fOp) fOp=new AliExternalTrackParam(*track.fOp);
- fPoints =0;
- if (track.fPoints){
- fPoints = new AliTrackPointArray(*(track.fPoints));
+
+ if (track.fFriendTrack) fFriendTrack=new AliESDfriendTrack(*(track.fFriendTrack));
+}
+
+//_______________________________________________________________________
+AliESDtrack::AliESDtrack(TParticle * part) :
+ AliExternalTrackParam(),
+ fCp(0),
+ fIp(0),
+ fTPCInner(0),
+ fOp(0),
+ fFriendTrack(0),
+ fTPCClusterMap(159),//number of padrows
+ fTPCSharedMap(159),//number of padrows
+ fFlags(0),
+ fID(0),
+ fLabel(0),
+ fITSLabel(0),
+ fTPCLabel(0),
+ fTRDLabel(0),
+ fTOFCalChannel(0),
+ fTOFindex(0),
+ fHMPIDqn(0),
+ fHMPIDcluIdx(0),
+ fEMCALindex(kEMCALNoMatch),
+ fHMPIDtrkTheta(0),
+ fHMPIDtrkPhi(0),
+ fHMPIDsignal(0),
+ fTrackLength(0),
+ fD(0),fZ(0),
+ fCdd(0),fCdz(0),fCzz(0),
+ fCchi2(0),
+ fITSchi2(0),
+ fTPCchi2(0),
+ fTRDchi2(0),
+ fTOFchi2(0),
+ fHMPIDchi2(0),
+ fITSsignal(0),
+ fTPCsignal(0),
+ fTPCsignalS(0),
+ fTRDsignal(0),
+ fTRDQuality(0),
+ fTRDBudget(0),
+ fTOFsignal(0),
+ fTOFsignalToT(0),
+ fTOFsignalRaw(0),
+ fTOFsignalDz(0),
+ fHMPIDtrkX(0),
+ fHMPIDtrkY(0),
+ fHMPIDmipX(0),
+ fHMPIDmipY(0),
+ fTPCncls(0),
+ fTPCnclsF(0),
+ fTPCsignalN(0),
+ fITSncls(0),
+ fITSClusterMap(0),
+ fTRDncls(0),
+ fTRDncls0(0),
+ fTRDpidQuality(0)
+{
+ //
+ // ESD track from TParticle
+ //
+
+ // Reset all the arrays
+ Int_t i, j;
+ for (i=0; i<AliPID::kSPECIES; i++) {
+ fTrackTime[i]=0.;
+ fR[i]=0.;
+ fITSr[i]=0.;
+ fTPCr[i]=0.;
+ fTRDr[i]=0.;
+ fTOFr[i]=0.;
+ fHMPIDr[i]=0.;
+ }
+
+ for (i=0; i<3; i++) { fKinkIndexes[i]=0;}
+ for (i=0; i<3; i++) { fV0Indexes[i]=-1;}
+ for (i=0;i<kNPlane;i++) {
+ for (j=0;j<kNSlice;j++) {
+ fTRDsignals[i][j]=0.;
+ }
+ fTRDTimBin[i]=0;
+ }
+ for (i=0;i<4;i++) {fTPCPoints[i]=0;}
+ for (i=0;i<3;i++) {fTOFLabel[i]=0;}
+ for (i=0;i<10;i++) {fTOFInfo[i]=0;}
+ for (i=0;i<12;i++) {fITSModule[i]=-1;}
+
+ // Calculate the AliExternalTrackParam content
+
+ Double_t xref;
+ Double_t alpha;
+ Double_t param[5];
+ Double_t covar[15];
+
+ // Calculate alpha: the rotation angle of the corresponding local system (TPC sector)
+ alpha = part->Phi()*180./TMath::Pi();
+ if (alpha<0) alpha+= 360.;
+ if (alpha>360) alpha -= 360.;
+
+ Int_t sector = (Int_t)(alpha/20.);
+ alpha = 10. + 20.*sector;
+ alpha /= 180;
+ alpha *= TMath::Pi();
+
+ // Covariance matrix: no errors, the parameters are exact
+ for (i=0; i<15; i++) covar[i]=0.;
+
+ // Get the vertex of origin and the momentum
+ TVector3 ver(part->Vx(),part->Vy(),part->Vz());
+ TVector3 mom(part->Px(),part->Py(),part->Pz());
+
+ // Rotate to the local coordinate system (TPC sector)
+ ver.RotateZ(-alpha);
+ mom.RotateZ(-alpha);
+
+ // X of the referense plane
+ xref = ver.X();
+
+ Int_t pdgCode = part->GetPdgCode();
+
+ Double_t charge =
+ TDatabasePDG::Instance()->GetParticle(pdgCode)->Charge();
+
+ param[0] = ver.Y();
+ param[1] = ver.Z();
+ param[2] = TMath::Sin(mom.Phi());
+ param[3] = mom.Pz()/mom.Pt();
+ param[4] = TMath::Sign(1/mom.Pt(),charge);
+
+ // Set AliExternalTrackParam
+ Set(xref, alpha, param, covar);
+
+ // Set the PID
+ Int_t indexPID = 99;
+
+ switch (TMath::Abs(pdgCode)) {
+
+ case 11: // electron
+ indexPID = 0;
+ break;
+
+ case 13: // muon
+ indexPID = 1;
+ break;
+
+ case 211: // pion
+ indexPID = 2;
+ break;
+
+ case 321: // kaon
+ indexPID = 3;
+ break;
+
+ case 2212: // proton
+ indexPID = 4;
+ break;
+
+ default:
+ break;
+ }
+
+ // If the particle is not e,mu,pi,K or p the PID probabilities are set to 0
+ if (indexPID < AliPID::kSPECIES) {
+ fR[indexPID]=1.;
+ fITSr[indexPID]=1.;
+ fTPCr[indexPID]=1.;
+ fTRDr[indexPID]=1.;
+ fTOFr[indexPID]=1.;
+ fHMPIDr[indexPID]=1.;
+
}
+ // AliESD track label
+ SetLabel(part->GetUniqueID());
+
}
+
//_______________________________________________________________________
AliESDtrack::~AliESDtrack(){
//
//
//printf("Delete track\n");
delete fIp;
+ delete fTPCInner;
delete fOp;
delete fCp;
- delete fITStrack;
- delete fTRDtrack;
- delete fPoints;
+ delete fFriendTrack;
+}
+
+void AliESDtrack::AddCalibObject(TObject * object){
+ //
+ // add calib object to the list
+ //
+ if (!fFriendTrack) fFriendTrack = new AliESDfriendTrack;
+ fFriendTrack->AddCalibObject(object);
+}
+
+TObject * AliESDtrack::GetCalibObject(Int_t index){
+ //
+ // return calib objct at given position
+ //
+ if (!fFriendTrack) return 0;
+ return fFriendTrack->GetCalibObject(index);
}
+
//_______________________________________________________________________
void AliESDtrack::MakeMiniESDtrack(){
// Resets everything except
// fD: Impact parameter in XY-plane
// fZ: Impact parameter in Z
// fR[AliPID::kSPECIES]: combined "detector response probability"
- // Running track parameters
- // fRalpha: track rotation angle
- // fRx: X-coordinate of the track reference plane
- // fRp[5]: external track parameters
- // fRc[15]: external cov. matrix of the track parameters
+ // Running track parameters in the base class (AliExternalTrackParam)
fTrackLength = 0;
+
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTrackTime[i] = 0;
- fStopVertex = 0;
// Reset track parameters constrained to the primary vertex
- fCp = 0;
+ delete fCp;fCp = 0;
fCchi2 = 0;
// Reset track parameters at the inner wall of TPC
- fIp = 0;
-
+ delete fIp;fIp = 0;
+ delete fTPCInner;fTPCInner=0;
// Reset track parameters at the inner wall of the TRD
- fOp = 0;
+ delete fOp;fOp = 0;
+
// Reset ITS track related information
fITSchi2 = 0;
- for (Int_t i=0;i<12;i++) fITSchi2MIP[i]=0;
fITSncls = 0;
- for (Int_t i=0;i<12;i++) fITSindex[i]=-1;
+ fITSClusterMap=0;
fITSsignal = 0;
for (Int_t i=0;i<AliPID::kSPECIES;i++) fITSr[i]=0;
fITSLabel = 0;
- fITSFakeRatio = 0;
- fITStrack =0;
// Reset TPC related track information
fTPCchi2 = 0;
fTPCncls = 0;
fTPCnclsF = 0;
- for (Int_t i=0;i<180;i++) fTPCindex[i] = -2;
fTPCClusterMap = 0;
+ fTPCSharedMap = 0;
fTPCsignal= 0;
fTPCsignalS= 0;
fTPCsignalN= 0;
fTRDchi2 = 0;
fTRDncls = 0;
fTRDncls0 = 0;
- for (Int_t i=0;i<180;i++) fTRDindex[i] = -2;
fTRDsignal = 0;
for (Int_t i=0;i<kNPlane;i++) {
- fTRDsignals[i] = 0;
- fTRDTimBin[i] = 0;
+ for (Int_t j=0;j<kNSlice;j++) {
+ fTRDsignals[i][j] = 0;
+ }
+ fTRDTimBin[i] = 0;
}
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTRDr[i] = 0;
fTRDLabel = 0;
- fTRDtrack = 0;
fTRDQuality = 0;
+ fTRDpidQuality = 0;
fTRDBudget = 0;
// Reset TOF related track information
fTOFchi2 = 0;
fTOFindex = 0;
fTOFsignal = 0;
- fTOFCalChannel = -1;
+ fTOFCalChannel = 0;
fTOFsignalToT = 0;
+ fTOFsignalRaw = 0;
+ fTOFsignalDz = 0;
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTOFr[i] = 0;
for (Int_t i=0;i<3;i++) fTOFLabel[i] = 0;
for (Int_t i=0;i<10;i++) fTOFInfo[i] = 0;
- // Reset PHOS related track information
- //for (Int_t i=0;i<3;i++) fPHOSpos[i] = 0;
- //fPHOSsignal = 0;
- //for (Int_t i=0;i<AliPID::kSPECIESN;i++) fPHOSr[i] = 0;
-
- // Reset RICH related track information
- fRICHchi2 = 0;
- fRICHncls = 0;
- fRICHindex = 0;
- fRICHsignal = 0;
- for (Int_t i=0;i<AliPID::kSPECIES;i++) fRICHr[i] = 0;
- fRICHtheta = 0;
- fRICHphi = 0;
- fRICHdx = 0;
- fRICHdy = 0;
-
- fPoints = 0;
+ // Reset HMPID related track information
+ fHMPIDchi2 = 0;
+ fHMPIDqn = 0;
+ fHMPIDcluIdx = 0;
+ fHMPIDsignal = 0;
+ for (Int_t i=0;i<AliPID::kSPECIES;i++) fHMPIDr[i] = 0;
+ fHMPIDtrkTheta = 0;
+ fHMPIDtrkPhi = 0;
+ fHMPIDtrkX = 0;
+ fHMPIDtrkY = 0;
+ fHMPIDmipX = 0;
+ fHMPIDmipY = 0;
+ fEMCALindex = kEMCALNoMatch;
+
+ delete fFriendTrack; fFriendTrack = 0;
}
//_______________________________________________________________________
Double_t AliESDtrack::GetMass() const {
return AliPID::ParticleMass(AliPID::kPion);
}
+//______________________________________________________________________________
+Double_t AliESDtrack::E() const
+{
+ // Returns the energy of the particle given its assumed mass.
+ // Assumes the pion mass if the particle can't be identified properly.
+
+ Double_t m = M();
+ Double_t p = P();
+ return TMath::Sqrt(p*p + m*m);
+}
+
+//______________________________________________________________________________
+Double_t AliESDtrack::Y() const
+{
+ // Returns the rapidity of a particle given its assumed mass.
+ // Assumes the pion mass if the particle can't be identified properly.
+
+ Double_t e = E();
+ Double_t pz = Pz();
+ if (e != TMath::Abs(pz)) { // energy was not equal to pz
+ return 0.5*TMath::Log((e+pz)/(e-pz));
+ } else { // energy was equal to pz
+ return -999.;
+ }
+}
+
//_______________________________________________________________________
Bool_t AliESDtrack::UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags){
//
// This function updates track's running parameters
//
+ Int_t *index=0;
Bool_t rc=kTRUE;
SetStatus(flags);
SetIntegratedLength(t->GetIntegratedLength());
}
- Set(*t);
+ Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
switch (flags) {
case kITSin: case kITSout: case kITSrefit:
+ fITSClusterMap=0;
fITSncls=t->GetNumberOfClusters();
+ index=fFriendTrack->GetITSindices();
+ for (Int_t i=0;i<AliESDfriendTrack::kMaxITScluster;i++) {
+ index[i]=t->GetClusterIndex(i);
+ if (i<fITSncls) {
+ Int_t l=(index[i] & 0xf0000000) >> 28;
+ SETBIT(fITSClusterMap,l);
+ }
+ }
fITSchi2=t->GetChi2();
- for (Int_t i=0;i<12;i++) fITSindex[i]=t->GetClusterIndex(i);
fITSsignal=t->GetPIDsignal();
fITSLabel = t->GetLabel();
- fITSFakeRatio = t->GetFakeRatio();
break;
case kTPCin: case kTPCrefit:
fTPCLabel = t->GetLabel();
+ if (flags==kTPCin) fTPCInner=new AliExternalTrackParam(*t);
if (!fIp) fIp=new AliExternalTrackParam(*t);
- else fIp->Set(*t);
+ else
+ fIp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
case kTPCout:
+ index=fFriendTrack->GetTPCindices();
if (flags & kTPCout){
if (!fOp) fOp=new AliExternalTrackParam(*t);
- else fOp->Set(*t);
+ else
+ fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
}
fTPCncls=t->GetNumberOfClusters();
fTPCchi2=t->GetChi2();
//"jump to case label crosses initialization of `Int_t prevrow'"
Int_t prevrow = -1;
// for (Int_t i=0;i<fTPCncls;i++)
- for (Int_t i=0;i<160;i++)
+ for (Int_t i=0;i<AliESDfriendTrack::kMaxTPCcluster;i++)
{
- fTPCindex[i]=t->GetClusterIndex(i);
+ index[i]=t->GetClusterIndex(i);
+ Int_t idx = index[i];
- if (fTPCindex[i]<0) continue;
+ if (idx<0) continue;
// Piotr's Cluster Map for HBT
// ### please change accordingly if cluster array is changing
// to "New TPC Tracking" style (with gaps in array)
- Int_t idx = fTPCindex[i];
Int_t sect = (idx&0xff000000)>>24;
Int_t row = (idx&0x00ff0000)>>16;
if (sect > 18) row +=63; //if it is outer sector, add number of inner sectors
break;
case kTRDout: case kTRDin: case kTRDrefit:
+ index=fFriendTrack->GetTRDindices();
fTRDLabel = t->GetLabel();
- fTRDncls=t->GetNumberOfClusters();
fTRDchi2=t->GetChi2();
- for (Int_t i=0;i<fTRDncls;i++) fTRDindex[i]=t->GetClusterIndex(i);
+ fTRDncls=6;//t->GetNumberOfTracklets(); //t->GetNumberOfClusters();
+ //for (Int_t i=0;i<fTRDncls;i++) index[i]=t->GetClusterIndex(i);
+ for (Int_t i=0;i<6;i++) index[i]=t->GetTrackletIndex(i);
+
fTRDsignal=t->GetPIDsignal();
break;
case kTRDbackup:
if (!fOp) fOp=new AliExternalTrackParam(*t);
- else fOp->Set(*t);
+ else
+ fOp->Set(t->GetX(),t->GetAlpha(),t->GetParameter(),t->GetCovariance());
fTRDncls0 = t->GetNumberOfClusters();
break;
case kTOFin:
SetStatus(AliESDtrack::kITSpid);
}
-void AliESDtrack::SetITSChi2MIP(const Float_t *chi2mip){
- for (Int_t i=0; i<12; i++) fITSchi2MIP[i]=chi2mip[i];
-}
//_______________________________________________________________________
void AliESDtrack::GetITSpid(Double_t *p) const {
// Gets the probability of each particle type (in ITS)
}
//_______________________________________________________________________
-Int_t AliESDtrack::GetITSclusters(Int_t *idx) const {
+Char_t AliESDtrack::GetITSclusters(Int_t *idx) const {
//---------------------------------------------------------------------
// This function returns indices of the assgined ITS clusters
//---------------------------------------------------------------------
- for (Int_t i=0; i<12; i++) idx[i]=fITSindex[i];
+ if (idx!=0) {
+ Int_t *index=fFriendTrack->GetITSindices();
+ for (Int_t i=0; i<AliESDfriendTrack::kMaxITScluster; i++) idx[i]=index[i];
+ }
return fITSncls;
}
//_______________________________________________________________________
-Int_t AliESDtrack::GetTPCclusters(Int_t *idx) const {
+Bool_t AliESDtrack::GetITSModuleIndexInfo(Int_t ilayer,Int_t &idet,Int_t &status,
+ Float_t &xloc,Float_t &zloc) const {
+ //----------------------------------------------------------------------
+ // This function encodes in the module number also the status of cluster association
+ // "status" can have the following values:
+ // 1 "found" (cluster is associated),
+ // 2 "dead" (module is dead from OCDB),
+ // 3 "skipped" (module or layer forced to be skipped),
+ // 4 "outinz" (track out of z acceptance),
+ // 5 "nocls" (no clusters in the road),
+ // 6 "norefit" (cluster rejected during refit),
+ // 7 "deadzspd" (holes in z in SPD)
+ // Also given are the coordinates of the crossing point of track and module
+ // (in the local module ref. system)
+ // WARNING: THIS METHOD HAS TO BE SYNCHRONIZED WITH AliITStrackV2::GetModuleIndexInfo()!
+ //----------------------------------------------------------------------
+
+ if(fITSModule[ilayer]==-1) {
+ AliError("fModule was not set !");
+ idet = -1;
+ status=0;
+ xloc=-99.; zloc=-99.;
+ return kFALSE;
+ }
+
+ Int_t module = fITSModule[ilayer];
+
+ idet = Int_t(module/1000000);
+
+ module -= idet*1000000;
+
+ status = Int_t(module/100000);
+
+ module -= status*100000;
+
+ Int_t signs = Int_t(module/10000);
+
+ module-=signs*10000;
+
+ Int_t xInt = Int_t(module/100);
+ module -= xInt*100;
+
+ Int_t zInt = module;
+
+ if(signs==1) { xInt*=1; zInt*=1; }
+ if(signs==2) { xInt*=1; zInt*=-1; }
+ if(signs==3) { xInt*=-1; zInt*=1; }
+ if(signs==4) { xInt*=-1; zInt*=-1; }
+
+ xloc = 0.1*(Float_t)xInt;
+ zloc = 0.1*(Float_t)zInt;
+
+ if(status==4) idet = -1;
+
+ return kTRUE;
+}
+
+//_______________________________________________________________________
+UShort_t AliESDtrack::GetTPCclusters(Int_t *idx) const {
//---------------------------------------------------------------------
// This function returns indices of the assgined ITS clusters
//---------------------------------------------------------------------
- if (idx!=0)
- for (Int_t i=0; i<180; i++) idx[i]=fTPCindex[i]; // MI I prefer some constant
+ if (idx!=0) {
+ Int_t *index=fFriendTrack->GetTPCindices();
+ for (Int_t i=0; i<AliESDfriendTrack::kMaxTPCcluster; i++) idx[i]=index[i];
+ }
return fTPCncls;
}
-Float_t AliESDtrack::GetTPCdensity(Int_t row0, Int_t row1) const{
+Double_t AliESDtrack::GetTPCdensity(Int_t row0, Int_t row1) const{
//
// GetDensity of the clusters on given region between row0 and row1
// Dead zone effect takin into acoount
Int_t good = 0;
Int_t found = 0;
//
+ Int_t *index=fFriendTrack->GetTPCindices();
for (Int_t i=row0;i<=row1;i++){
- Int_t index = fTPCindex[i];
- if (index!=-1) good++; // track outside of dead zone
- if (index>0) found++;
+ Int_t idx = index[i];
+ if (idx!=-1) good++; // track outside of dead zone
+ if (idx>0) found++;
}
Float_t density=0.5;
if (good>(row1-row0)*0.5) density = Float_t(found)/Float_t(good);
}
//_______________________________________________________________________
-Int_t AliESDtrack::GetTRDclusters(Int_t *idx) const {
+UChar_t AliESDtrack::GetTRDclusters(Int_t *idx) const {
//---------------------------------------------------------------------
// This function returns indices of the assgined TRD clusters
//---------------------------------------------------------------------
- if (idx!=0)
- for (Int_t i=0; i<180; i++) idx[i]=fTRDindex[i]; // MI I prefer some constant
+ if (idx!=0) {
+ Int_t *index=fFriendTrack->GetTRDindices();
+ for (Int_t i=0; i<AliESDfriendTrack::kMaxTRDcluster; i++) idx[i]=index[i];
+ }
+ return fTRDncls;
+}
+
+//_______________________________________________________________________
+UChar_t AliESDtrack::GetTRDtracklets(Int_t *idx) const {
+ //---------------------------------------------------------------------
+ // This function returns indices of the assigned TRD tracklets
+ //---------------------------------------------------------------------
+ if (idx!=0) {
+ Int_t *index=fFriendTrack->GetTRDindices();
+ for (Int_t i=0; i<6/*AliESDfriendTrack::kMaxTRDcluster*/; i++) idx[i]=index[i];
+ }
return fTRDncls;
}
fTRDr[iSpecies] = p;
}
-Float_t AliESDtrack::GetTRDpid(Int_t iSpecies) const
+Double_t AliESDtrack::GetTRDpid(Int_t iSpecies) const
{
// Returns the probability of particle type iSpecies (in TRD)
return fTRDr[iSpecies];
//_______________________________________________________________________
-void AliESDtrack::SetRICHpid(const Double_t *p) {
- // Sets the probability of each particle type (in RICH)
- SetPIDValues(fRICHr,p,AliPID::kSPECIES);
- SetStatus(AliESDtrack::kRICHpid);
+void AliESDtrack::SetHMPIDpid(const Double_t *p) {
+ // Sets the probability of each particle type (in HMPID)
+ SetPIDValues(fHMPIDr,p,AliPID::kSPECIES);
+ SetStatus(AliESDtrack::kHMPIDpid);
}
//_______________________________________________________________________
-void AliESDtrack::GetRICHpid(Double_t *p) const {
- // Gets probabilities of each particle type (in RICH)
- for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fRICHr[i];
+void AliESDtrack::GetHMPIDpid(Double_t *p) const {
+ // Gets probabilities of each particle type (in HMPID)
+ for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fHMPIDr[i];
}
// In the case of success, the returned value is kTRUE
// (otherwise, it's kFALSE)
//
+
+ if (!vtx) return kFALSE;
+
Double_t alpha=GetAlpha();
Double_t sn=TMath::Sin(alpha), cs=TMath::Cos(alpha);
Double_t x=GetX(), y=GetParameter()[0], snp=GetParameter()[2];
if (d > maxd) return kFALSE;
//Propagate to the DCA
- Double_t crv=0.299792458e-3*b*GetParameter()[4];
+ Double_t crv=kB2C*b*GetParameter()[4];
+ if (TMath::Abs(b) < kAlmost0Field) crv=0.;
+
Double_t tgfv=-(crv*x - snp)/(crv*y + TMath::Sqrt(1.-snp*snp));
- sn=tgfv/TMath::Sqrt(1.+ tgfv*tgfv); cs=TMath::Sqrt(1.- sn*sn);
+ sn=tgfv/TMath::Sqrt(1.+ tgfv*tgfv);
+ if (TMath::Abs(tgfv)>0.) cs = sn/tgfv;
+ else cs=1.;
x = xv*cs + yv*sn;
yv=-xv*sn + yv*cs; xv=x;
fZ = GetParameter()[1] - zv;
Double_t cov[6]; vtx->GetCovMatrix(cov);
- fCdd = GetCovariance()[0] + cov[2]; // neglecting non-diagonals
- fCdz = GetCovariance()[1]; // in the vertex's
- fCzz = GetCovariance()[2] + cov[5]; // covariance matrix
+
+ //***** Improvements by A.Dainese
+ alpha=GetAlpha(); sn=TMath::Sin(alpha); cs=TMath::Cos(alpha);
+ Double_t s2ylocvtx = cov[0]*sn*sn + cov[2]*cs*cs - 2.*cov[1]*cs*sn;
+ fCdd = GetCovariance()[0] + s2ylocvtx; // neglecting correlations
+ fCdz = GetCovariance()[1]; // between (x,y) and z
+ fCzz = GetCovariance()[2] + cov[5]; // in vertex's covariance matrix
+ //*****
{//Try to constrain
Double_t p[2]={yv,zv}, c[3]={cov[2],0.,cov[5]};
printf("%f, ", p[index]) ;
printf("\n signal = %f\n", GetTOFsignal()) ;
}
- if( IsOn(kRICHpid) ){
- printf("From RICH: ") ;
- GetRICHpid(p) ;
+ if( IsOn(kHMPIDpid) ){
+ printf("From HMPID: ") ;
+ GetHMPIDpid(p) ;
for(index = 0 ; index < AliPID::kSPECIES; index++)
printf("%f, ", p[index]) ;
- printf("\n signal = %f\n", GetRICHsignal()) ;
+ printf("\n signal = %f\n", GetHMPIDsignal()) ;
}
}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff