#include "TMath.h"
+#include "AliESDVertex.h"
#include "AliESDtrack.h"
#include "AliKalmanTrack.h"
#include "AliTrackPointArray.h"
fLabel(0),
fID(0),
fTrackLength(0),
- fD(0),
- fZ(0),
+ fD(0),fZ(0),
+ fCdd(0),fCdz(0),fCzz(0),
fStopVertex(0),
fCp(0),
fCchi2(1e10),
fITStrack(0),
fTPCchi2(0),
fTPCncls(0),
+ fTPCnclsF(0),
fTPCClusterMap(159),//number of padrows
fTPCsignal(0),
+ fTPCsignalN(0),
+ fTPCsignalS(0),
fTPCLabel(0),
fTRDchi2(0),
fTRDncls(0),
fTRDtrack(0),
fTOFchi2(0),
fTOFindex(0),
+ fTOFCalChannel(-1),
fTOFsignal(-1),
- fPHOSsignal(-1),
- fEMCALsignal(-1),
+ fTOFsignalToT(0),
+ // fPHOSsignal(-1),
fRICHchi2(1e10),
fRICHncls(0),
fRICHindex(0),
fRICHr[i]=1.;
}
- for (Int_t i=0; i<AliPID::kSPECIESN; i++) {
- fPHOSr[i] = 1.;
- fEMCALr[i] = 1.;
- }
+
// for (Int_t i=0; i<AliPID::kSPECIESN; i++) {
+ // fPHOSr[i] = 1.;
+ // }
+ // fPHOSpos[0]=fPHOSpos[1]=fPHOSpos[2]=0.;
-
- fPHOSpos[0]=fPHOSpos[1]=fPHOSpos[2]=0.;
- fEMCALpos[0]=fEMCALpos[1]=fEMCALpos[2]=0.;
Int_t i;
for (i=0;i<12;i++) fITSchi2MIP[i] =1e10;
for (i=0; i<6; i++) { fITSindex[i]=0; }
for (i=0; i<180; i++){ fTPCindex[i]=0; }
for (i=0; i<3;i++) { fKinkIndexes[i]=0;}
for (i=0; i<3;i++) { fV0Indexes[i]=-1;}
- for (i=0; i<130; i++) { fTRDindex[i]=0; }
+ for (i=0; i<180; i++) { fTRDindex[i]=0; }
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;}
fLabel(track.fLabel),
fID(track.fID),
fTrackLength(track.fTrackLength),
- fD(track.fD),
- fZ(track.fZ),
+ fD(track.fD),fZ(track.fZ),
+ fCdd(track.fCdd),fCdz(track.fCdz),fCzz(track.fCzz),
fStopVertex(track.fStopVertex),
fCp(0),
fCchi2(track.fCchi2),
fITStrack(0), //coping separatelly - in user code
fTPCchi2(track.fTPCchi2),
fTPCncls(track.fTPCncls),
+ fTPCnclsF(track.fTPCnclsF),
fTPCClusterMap(track.fTPCClusterMap),
fTPCsignal(track.fTPCsignal),
+ fTPCsignalN(track.fTPCsignalN),
+ fTPCsignalS(track.fTPCsignalS),
fTPCLabel(track.fTPCLabel),
fTRDchi2(track.fTRDchi2),
fTRDncls(track.fTRDncls),
fTRDtrack(0),
fTOFchi2(track.fTOFchi2),
fTOFindex(track.fTOFindex),
+ fTOFCalChannel(track.fTOFCalChannel),
fTOFsignal(track.fTOFsignal),
- fPHOSsignal(track.fPHOSsignal),
- fEMCALsignal(track.fEMCALsignal),
+ fTOFsignalToT(track.fTOFsignalToT),
+ //fPHOSsignal(track.fPHOSsignal),
fRICHchi2(track.fRICHchi2),
fRICHncls(track.fRICHncls),
fRICHindex(track.fRICHindex),
fRICHtheta(track.fRICHtheta),
fRICHphi(track.fRICHphi),
fRICHdx(track.fRICHdx),
- fRICHdy(track.fRICHdy),
- fPoints(track.fPoints)
+ fRICHdy(track.fRICHdy)
{
//
//copy constructor
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<130;i++) fTRDindex[i]=track.fTRDindex[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 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<3;i++) fEMCALpos[i]=track.fEMCALpos[i];
- for (Int_t i=0;i<AliPID::kSPECIESN;i++) fEMCALr[i]=track.fEMCALr[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];
if (track.fCp) fCp=new AliExternalTrackParam(*track.fCp);
if (track.fIp) fIp=new AliExternalTrackParam(*track.fIp);
if (track.fOp) fOp=new AliExternalTrackParam(*track.fOp);
+ fPoints =0;
+ if (track.fPoints){
+ fPoints = new AliTrackPointArray(*(track.fPoints));
+ }
}
//_______________________________________________________________________
AliESDtrack::~AliESDtrack(){
// Reset TPC related track information
fTPCchi2 = 0;
fTPCncls = 0;
+ fTPCnclsF = 0;
for (Int_t i=0;i<180;i++) fTPCindex[i] = 0;
fTPCClusterMap = 0;
fTPCsignal= 0;
+ fTPCsignalS= 0;
+ fTPCsignalN= 0;
for (Int_t i=0;i<AliPID::kSPECIES;i++) fTPCr[i]=0;
fTPCLabel=0;
for (Int_t i=0;i<4;i++) fTPCPoints[i] = 0;
fTRDchi2 = 0;
fTRDncls = 0;
fTRDncls0 = 0;
- for (Int_t i=0;i<130;i++) fTRDindex[i] = 0;
+ for (Int_t i=0;i<180;i++) fTRDindex[i] = 0;
fTRDsignal = 0;
for (Int_t i=0;i<kNPlane;i++) {
fTRDsignals[i] = 0;
fTOFchi2 = 0;
fTOFindex = 0;
fTOFsignal = 0;
+ fTOFCalChannel = -1;
+ fTOFsignalToT = 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 EMCAL related track information
- for (Int_t i=0;i<3;i++) fEMCALpos[i] = 0;
- fEMCALsignal = 0;
- for (Int_t i=0;i<AliPID::kSPECIESN;i++) fEMCALr[i] = 0;
-
+ //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;
}
Set(*t);
-
+
switch (flags) {
case kITSin: case kITSout: case kITSrefit:
fTPCLabel = t->GetLabel();
if (!fIp) fIp=new AliExternalTrackParam(*t);
else fIp->Set(*t);
-
case kTPCout:
-
- fTPCncls=t->GetNumberOfClusters();
+ if (flags & kTPCout){
+ if (!fOp) fOp=new AliExternalTrackParam(*t);
+ else fOp->Set(*t);
+ }
+ fTPCncls=t->GetNumberOfClusters();
fTPCchi2=t->GetChi2();
{//prevrow must be declared in separate namespace, otherwise compiler cries:
}
}
fTPCsignal=t->GetPIDsignal();
- {Double_t mass=t->GetMass(); // preliminary mass setting
- if (mass>0.5) fR[4]=1.; // used by
- else if (mass<0.4) fR[2]=1.; // the ITS reconstruction
- else fR[3]=1.;}
- //
break;
case kTRDout: case kTRDin: case kTRDrefit:
return rc;
}
-//_______________________________________________________________________
-void
-AliESDtrack::SetConstrainedTrackParams(const AliKalmanTrack *t, Double_t chi2) {
- //
- // This function sets the constrained track parameters
- //
- if (!fCp) fCp=new AliExternalTrackParam(*t);
- else fCp->Set(*t);
- fCchi2=chi2;
-}
-
-
//_______________________________________________________________________
void AliESDtrack::GetExternalParameters(Double_t &x, Double_t p[5]) const {
//---------------------------------------------------------------------
}
//_______________________________________________________________________
-void
-AliESDtrack::GetConstrainedExternalParameters(Double_t &x, Double_t p[5])const{
+Bool_t AliESDtrack::GetConstrainedExternalParameters
+ (Double_t &alpha, Double_t &x, Double_t p[5]) const {
//---------------------------------------------------------------------
// This function returns the constrained external track parameters
//---------------------------------------------------------------------
- if (!fCp) return;
+ if (!fCp) return kFALSE;
+ alpha=fCp->GetAlpha();
x=fCp->GetX();
for (Int_t i=0; i<5; i++) p[i]=fCp->GetParameter()[i];
+ return kTRUE;
}
//_______________________________________________________________________
-void
+Bool_t
AliESDtrack::GetConstrainedExternalCovariance(Double_t c[15]) const {
//---------------------------------------------------------------------
// This function returns the constrained external cov. matrix
//---------------------------------------------------------------------
- if (!fCp) return;
+ if (!fCp) return kFALSE;
for (Int_t i=0; i<15; i++) c[i]=fCp->GetCovariance()[i];
+ return kTRUE;
}
-void AliESDtrack::GetInnerExternalParameters(Double_t &x, Double_t p[5]) const
-{
- //---------------------------------------------------------------------
+Bool_t
+AliESDtrack::GetInnerExternalParameters
+ (Double_t &alpha, Double_t &x, Double_t p[5]) const {
+ //---------------------------------------------------------------------
// This function returns external representation of the track parameters
// at the inner layer of TPC
//---------------------------------------------------------------------
- if (!fIp) return;
+ if (!fIp) return kFALSE;
+ alpha=fIp->GetAlpha();
x=fIp->GetX();
for (Int_t i=0; i<5; i++) p[i]=fIp->GetParameter()[i];
+ return kTRUE;
}
-void AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const
-{
+Bool_t
+AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const {
//---------------------------------------------------------------------
// This function returns external representation of the cov. matrix
// at the inner layer of TPC
//---------------------------------------------------------------------
- if (!fIp) return;
+ if (!fIp) return kFALSE;
for (Int_t i=0; i<15; i++) cov[i]=fIp->GetCovariance()[i];
+ return kTRUE;
}
-void AliESDtrack::GetOuterExternalParameters(Double_t &x, Double_t p[5]) const
-{
- //---------------------------------------------------------------------
+Bool_t
+AliESDtrack::GetOuterExternalParameters
+ (Double_t &alpha, Double_t &x, Double_t p[5]) const {
+ //---------------------------------------------------------------------
// This function returns external representation of the track parameters
// at the inner layer of TRD
//---------------------------------------------------------------------
- if (!fOp) return;
+ if (!fOp) return kFALSE;
+ alpha=fOp->GetAlpha();
x=fOp->GetX();
for (Int_t i=0; i<5; i++) p[i]=fOp->GetParameter()[i];
+ return kTRUE;
}
-void AliESDtrack::GetOuterExternalCovariance(Double_t cov[15]) const
-{
+Bool_t
+AliESDtrack::GetOuterExternalCovariance(Double_t cov[15]) const {
//---------------------------------------------------------------------
// This function returns external representation of the cov. matrix
// at the inner layer of TRD
//---------------------------------------------------------------------
- if (!fOp) return;
+ if (!fOp) return kFALSE;
for (Int_t i=0; i<15; i++) cov[i]=fOp->GetCovariance()[i];
+ return kTRUE;
}
Int_t AliESDtrack::GetNcls(Int_t idet) const
// This function returns indices of the assgined TRD clusters
//---------------------------------------------------------------------
if (idx!=0)
- for (Int_t i=0; i<130; i++) idx[i]=fTRDindex[i]; // MI I prefer some constant
+ for (Int_t i=0; i<180; i++) idx[i]=fTRDindex[i]; // MI I prefer some constant
return fTRDncls;
}
-//_______________________________________________________________________
-void AliESDtrack::SetPHOSpid(const Double_t *p) {
- // Sets the probability of each particle type (in PHOS)
- SetPIDValues(fPHOSr,p,AliPID::kSPECIESN);
- SetStatus(AliESDtrack::kPHOSpid);
-}
-
-//_______________________________________________________________________
-void AliESDtrack::GetPHOSpid(Double_t *p) const {
- // Gets probabilities of each particle type (in PHOS)
- for (Int_t i=0; i<AliPID::kSPECIESN; i++) p[i]=fPHOSr[i];
-}
-
-//_______________________________________________________________________
-void AliESDtrack::SetEMCALpid(const Double_t *p) {
- // Sets the probability of each particle type (in EMCAL)
- SetPIDValues(fEMCALr,p,AliPID::kSPECIESN);
- SetStatus(AliESDtrack::kEMCALpid);
-}
-
-//_______________________________________________________________________
-void AliESDtrack::GetEMCALpid(Double_t *p) const {
- // Gets probabilities of each particle type (in EMCAL)
- for (Int_t i=0; i<AliPID::kSPECIESN; i++) p[i]=fEMCALr[i];
-}
-
//_______________________________________________________________________
void AliESDtrack::SetRICHpid(const Double_t *p) {
// Sets the probability of each particle type (in RICH)
for (Int_t i=0; i<AliPID::kSPECIES; i++) p[i]=fR[i];
}
+//_______________________________________________________________________
+Bool_t AliESDtrack::RelateToVertex
+(const AliESDVertex *vtx, Double_t b, Double_t maxd) {
+ //
+ // Try to relate this track to the vertex "vtx",
+ // if the (rough) transverse impact parameter is not bigger then "maxd".
+ // Magnetic field is "b" (kG).
+ //
+ // a) The track gets extapolated to the DCA to the vertex.
+ // b) The impact parameters and their covariance matrix are calculated.
+ // c) An attempt to constrain this track to the vertex is done.
+ //
+ // In the case of success, the returned value is kTRUE
+ // (otherwise, it's 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];
+ Double_t xv= vtx->GetXv()*cs + vtx->GetYv()*sn;
+ Double_t yv=-vtx->GetXv()*sn + vtx->GetYv()*cs, zv=vtx->GetZv();
+ x-=xv; y-=yv;
+
+ //Estimate the impact parameter neglecting the track curvature
+ Double_t d=TMath::Abs(x*snp - y*TMath::Sqrt(1.- snp*snp));
+ if (d > maxd) return kFALSE;
+
+ //Propagate to the DCA
+ Double_t crv=0.299792458e-3*b*GetParameter()[4];
+ 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);
+
+ x = xv*cs + yv*sn;
+ yv=-xv*sn + yv*cs; xv=x;
+
+ if (!Propagate(alpha+TMath::ASin(sn),xv,b)) return kFALSE;
+
+ fD = GetParameter()[0] - yv;
+ 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
+
+ {//Try to constrain
+ Double_t p[2]={yv,zv}, c[3]={cov[2],0.,cov[5]};
+ Double_t chi2=GetPredictedChi2(p,c);
+
+ if (chi2>77.) return kFALSE;
+
+ AliExternalTrackParam tmp(*this);
+ if (!tmp.Update(p,c)) return kFALSE;
+
+ fCchi2=chi2;
+ if (!fCp) fCp=new AliExternalTrackParam();
+ new (fCp) AliExternalTrackParam(tmp);
+ }
+
+ return kTRUE;
+}
+
//_______________________________________________________________________
void AliESDtrack::Print(Option_t *) const {
// Prints info on the track
printf("%f, ", p[index]) ;
printf("\n signal = %f\n", GetRICHsignal()) ;
}
- if( IsOn(kPHOSpid) ){
- printf("From PHOS: ") ;
- GetPHOSpid(p) ;
- for(index = 0 ; index < AliPID::kSPECIESN; index++)
- printf("%f, ", p[index]) ;
- printf("\n signal = %f\n", GetPHOSsignal()) ;
- }
- if( IsOn(kEMCALpid) ){
- printf("From EMCAL: ") ;
- GetEMCALpid(p) ;
- for(index = 0 ; index < AliPID::kSPECIESN; index++)
- printf("%f, ", p[index]) ;
- printf("\n signal = %f\n", GetEMCALsignal()) ;
- }
+ // Since 9 March 2006 PHOS left ESDtrack for ESDCaloCluster
+ // and cannot participate in the global PID for the moment
+// if( IsOn(kPHOSpid) ){
+// printf("From PHOS: ") ;
+// GetPHOSpid(p) ;
+// for(index = 0 ; index < AliPID::kSPECIESN; index++)
+// printf("%f, ", p[index]) ;
+// printf("\n signal = %f\n", GetPHOSsignal()) ;
+// }
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff