* about the suitability of this software for any purpose. It is *
* provided "as is" without express or implied warranty. *
**************************************************************************/
-
//-----------------------------------------------------------------
// Implementation of the ESD track class
-// This is the class to deal with during the phisical analysis of data
-//
-// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
+// ESD = Event Summary Data
+// This is the class to deal with during the phisics analysis of data
+// Origin: Iouri Belikov, CERN
+// e-mail: Jouri.Belikov@cern.ch
//-----------------------------------------------------------------
#include "TMath.h"
#include "AliESDtrack.h"
#include "AliKalmanTrack.h"
-#include "../ITS/AliITStrackV2.h"
+#include "AliLog.h"
ClassImp(AliESDtrack)
//_______________________________________________________________________
AliESDtrack::AliESDtrack() :
-fFlags(0),
+fFlags(0),
+fLabel(0),
+fTrackLength(0),
+fStopVertex(0),
+fRalpha(0),
+fRx(0),
+fCalpha(0),
+fCx(0),
+fCchi2(1e10),
+fIalpha(0),
+fIx(0),
+fTalpha(0),
+fTx(0),
+fOalpha(0),
+fOx(0),
+fITSchi2(0),
fITSncls(0),
+fITSsignal(0),
+fTPCchi2(0),
fTPCncls(0),
-fVertex(kFALSE)
+fTPCClusterMap(159),//number of padrows
+fTPCsignal(0),
+fTRDchi2(0),
+fTRDncls(0),
+fTRDncls0(0),
+fTRDsignal(0),
+fTOFchi2(0),
+fTOFindex(0),
+fTOFsignal(-1),
+fPHOSsignal(-1),
+fEMCALsignal(-1),
+fRICHsignal(-1)
{
//
// The default ESD constructor
//
- for (Int_t i=0; i<kSPECIES; i++) fR[i]=0.;
+ for (Int_t i=0; i<kSPECIES; i++) {
+ fTrackTime[i]=0.;
+ fR[i]=1.;
+ fITSr[i]=1.;
+ fTPCr[i]=1.;
+ fTRDr[i]=1.;
+ fTOFr[i]=1.;
+ fRICHr[i]=1.;
+ }
+
+ for (Int_t i=0; i<kSPECIESN; i++) {
+ fPHOSr[i] = 1.;
+ fEMCALr[i] = 1.;
+ }
+
+
+ fPHOSpos[0]=fPHOSpos[1]=fPHOSpos[2]=0.;
+ fEMCALpos[0]=fEMCALpos[1]=fEMCALpos[2]=0.;
+ Int_t i;
+ for (i=0; i<5; i++) {
+ fRp[i]=fCp[i]=fIp[i]=fOp[i]=fXp[i]=fTp[i]=0.;
+ }
+ for (i=0; i<15; i++) {
+ fRc[i]=fCc[i]=fIc[i]=fOc[i]=fXc[i]=fTc[i]=0.;
+ }
+ for (i=0; i<6; i++) { fITSindex[i]=0; }
+ for (i=0; i<180; i++){ fTPCindex[i]=0; }
+ for (i=0; i<130; i++) { fTRDindex[i]=0; }
+ fTPCLabel = 0;
+ fTRDLabel = 0;
+ fITSLabel = 0;
+ fITStrack = 0;
+ fTRDtrack = 0;
}
//_______________________________________________________________________
-Float_t AliESDtrack::GetMass() const {
+
+AliESDtrack::AliESDtrack(const AliESDtrack& track):TObject(track){
+ //
+ //copy constructor
+ //
+ fFlags = track.fFlags;
+ fLabel =track.fLabel;
+ fTrackLength =track.fTrackLength;
+ for (Int_t i=0;i<kSPECIES;i++) fTrackTime[i] =track.fTrackTime[i];
+ for (Int_t i=0;i<kSPECIES;i++) fR[i] =track.fR[i];
+ fStopVertex =track.fStopVertex;
+ //
+ fRalpha =track.fRalpha;
+ fRx =track.fRx;
+ for (Int_t i=0;i<5;i++) fRp[i] =track.fRp[i];
+ for (Int_t i=0;i<15;i++) fRc[i] =track.fRc[i];
+ //
+ fCalpha =track.fCalpha;
+ fCx =track.fCx;
+ for (Int_t i=0;i<5;i++) fCp[i] =track.fCp[i];
+ for (Int_t i=0;i<15;i++) fCc[i] =track.fCc[i];
+ fCchi2 =track.fCchi2;
+ //
+ fIalpha =track.fIalpha;
+ fIx =track.fIx;
+ for (Int_t i=0;i<5;i++) fIp[i] =track.fIp[i];
+ for (Int_t i=0;i<15;i++) fIc[i] =track.fIc[i];
+ //
+ fTalpha =track.fTalpha;
+ fTx =track.fTx;
+ for (Int_t i=0;i<5;i++) fTp[i] =track.fTp[i];
+ for (Int_t i=0;i<15;i++) fTc[i] =track.fTc[i];
+ //
+ fOalpha =track.fOalpha;
+ fOx =track.fOx;
+ for (Int_t i=0;i<5;i++) fOp[i] =track.fOp[i];
+ for (Int_t i=0;i<15;i++) fOc[i] =track.fOc[i];
+ //
+ fXalpha =track.fXalpha;
+ fXx =track.fXx;
+ for (Int_t i=0;i<5;i++) fXp[i] =track.fXp[i];
+ for (Int_t i=0;i<15;i++) fXc[i] =track.fXc[i];
+ //
+ fITSchi2 =track.fITSchi2;
+ for (Int_t i=0;i<12;i++) fITSchi2MIP[i] =track.fITSchi2MIP[i];
+ fITSncls =track.fITSncls;
+ for (Int_t i=0;i<6;i++) fITSindex[i]=track.fITSindex[i];
+ fITSsignal =track.fITSsignal;
+ for (Int_t i=0;i<kSPECIES;i++) fITSr[i]=track.fITSr[i];
+ fITSLabel =track.fITSLabel;
+ fITSFakeRatio =track.fITSFakeRatio;
+ fITStrack =0; //coping separatelly - in user code
+ //
+ fTPCchi2 =track.fTPCchi2;
+ fTPCncls =track.fTPCncls;
+ for (Int_t i=0;i<180;i++) fTPCindex[i]=track.fTPCindex[i];
+ fTPCClusterMap=track.fTPCClusterMap;
+ fTPCsignal=track.fTPCsignal;
+ for (Int_t i=0;i<kSPECIES;i++) fTPCr[i]=track.fTPCr[i];
+ fTPCLabel=track.fTPCLabel;
+ //
+ fTRDchi2=track.fTRDchi2;
+ fTRDncls=track.fTRDncls;
+ fTRDncls0=track.fTRDncls0;
+ for (Int_t i=0;i<130;i++) fTRDindex[i]=track.fTRDindex[i];
+ fTRDsignal=track.fTRDsignal;
+ for (Int_t i=0;i<kSPECIES;i++) fTRDr[i]=track.fTRDr[i];
+ fTRDLabel=track.fTRDLabel;
+ fTRDtrack=0;
+ //
+ fTOFchi2=track.fTOFchi2;
+ fTOFindex=track.fTOFindex;
+ fTOFsignal=track.fTOFsignal;
+ for (Int_t i=0;i<kSPECIES;i++) fTOFr[i]=track.fTOFr[i];
+ //
+ for (Int_t i=0;i<3;i++) fPHOSpos[i]=track.fPHOSpos[i];
+ fPHOSsignal=track.fPHOSsignal;
+ for (Int_t i=0;i<kSPECIESN;i++) fPHOSr[i]=track.fPHOSr[i];
+ //
+ for (Int_t i=0;i<3;i++) fEMCALpos[i]=track.fEMCALpos[i];
+ fEMCALsignal=track.fEMCALsignal;
+ for (Int_t i=0;i<kSPECIESN;i++) fEMCALr[i]=track.fEMCALr[i];
+ //
+ fRICHsignal=track.fRICHsignal;
+ for (Int_t i=0;i<kSPECIES;i++) fRICHr[i]=track.fRICHr[i];
+
+
+}
+//_______________________________________________________________________
+AliESDtrack::~AliESDtrack(){
+ //
+ // This is destructor according Coding Conventrions
+ //
+ //printf("Delete track\n");
+ delete fITStrack;
+ delete fTRDtrack;
+}
+
+//_______________________________________________________________________
+Double_t AliESDtrack::GetMass() const {
+ // Returns the mass of the most probable particle type
Float_t max=0.;
Int_t k=-1;
for (Int_t i=0; i<kSPECIES; i++) {
if (fR[i]>max) {k=i; max=fR[i];}
}
- if (k==0) return 0.00051;
- if (k==1) return 0.10566;
+ if (k==0) { // dE/dx "crossing points" in the TPC
+ Double_t p=GetP();
+ if ((p>0.38)&&(p<0.48))
+ if (fR[0]<fR[3]*10.) return 0.49368;
+ if ((p>0.75)&&(p<0.85))
+ if (fR[0]<fR[4]*10.) return 0.93827;
+ return 0.00051;
+ }
+ if (k==1) return 0.10566;
if (k==2||k==-1) return 0.13957;
if (k==3) return 0.49368;
if (k==4) return 0.93827;
- Warning("GetMass()","Undefined mass !");
+ AliWarning("Undefined mass !");
return 0.13957;
}
//_______________________________________________________________________
-Bool_t AliESDtrack::UpdateTrackParams(AliKalmanTrack *t, ULong_t flags) {
+Bool_t AliESDtrack::UpdateTrackParams(const AliKalmanTrack *t, ULong_t flags) {
//
// This function updates track's running parameters
//
+ Bool_t rc=kTRUE;
+
+ SetStatus(flags);
+ fLabel=t->GetLabel();
+
+ if (t->IsStartedTimeIntegral()) {
+ SetStatus(kTIME);
+ Double_t times[10];t->GetIntegratedTimes(times); SetIntegratedTimes(times);
+ SetIntegratedLength(t->GetIntegratedLength());
+ }
+
+ fRalpha=t->GetAlpha();
+ t->GetExternalParameters(fRx,fRp);
+ t->GetExternalCovariance(fRc);
+
switch (flags) {
- case kITSin:
- case kITSout:
- case kITSrefit:
+ case kITSin: case kITSout: case kITSrefit:
fITSncls=t->GetNumberOfClusters();
fITSchi2=t->GetChi2();
for (Int_t i=0;i<fITSncls;i++) fITSindex[i]=t->GetClusterIndex(i);
fITSsignal=t->GetPIDsignal();
+ fITSLabel = t->GetLabel();
+ fITSFakeRatio = t->GetFakeRatio();
break;
- case kTPCin: case kTPCout: case kTPCrefit:
+ case kTPCin: case kTPCrefit:
+ fTPCLabel = t->GetLabel();
+ fIalpha=fRalpha;
+ fIx=fRx;
+ {
+ Int_t i;
+ for (i=0; i<5; i++) fIp[i]=fRp[i];
+ for (i=0; i<15;i++) fIc[i]=fRc[i];
+ }
+ case kTPCout:
+
fTPCncls=t->GetNumberOfClusters();
fTPCchi2=t->GetChi2();
- for (Int_t i=0;i<fTPCncls;i++) fTPCindex[i]=t->GetClusterIndex(i);
+
+ {//prevrow must be declared in separate namespace, otherwise compiler cries:
+ //"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++)
+ {
+ fTPCindex[i]=t->GetClusterIndex(i);
+
+ // 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
+
+ fTPCClusterMap.SetBitNumber(row,kTRUE);
+
+ //Fill the gap between previous row and this row with 0 bits
+ //In case ### pleas change it as well - just set bit 0 in case there
+ //is no associated clusters for current "i"
+ if (prevrow < 0)
+ {
+ prevrow = row;//if previous bit was not assigned yet == this is the first one
+ }
+ else
+ { //we don't know the order (inner to outer or reverse)
+ //just to be save in case it is going to change
+ Int_t n = 0, m = 0;
+ if (prevrow < row)
+ {
+ n = prevrow;
+ m = row;
+ }
+ else
+ {
+ n = row;
+ m = prevrow;
+ }
+
+ for (Int_t j = n+1; j < m; j++)
+ {
+ fTPCClusterMap.SetBitNumber(j,kFALSE);
+ }
+ prevrow = row;
+ }
+ // End Of Piotr's Cluster Map for HBT
+ }
+ }
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.;} //
+ else fR[3]=1.;}
+ //
break;
- case kTRDin: case kTRDout: case kTRDrefit:
+
+ case kTRDout:
+ //requested by the PHOS/EMCAL ("temporary solution")
+ fOalpha=t->GetAlpha();
+ fOx=460.;
+ rc=GetExternalParametersAt(fOx,fOp);
+ t->GetExternalCovariance(fOc); //can be done better
+
+ fXalpha=t->GetAlpha();
+ fXx=450.;
+ rc=GetExternalParametersAt(fXx,fXp);
+ t->GetExternalCovariance(fXc); //can be done better
+
+ case kTRDin: case kTRDrefit:
+ fTRDLabel = t->GetLabel();
+
fTRDncls=t->GetNumberOfClusters();
fTRDchi2=t->GetChi2();
+ for (Int_t i=0;i<fTRDncls;i++) fTRDindex[i]=t->GetClusterIndex(i);
fTRDsignal=t->GetPIDsignal();
break;
+ case kTRDbackup:
+ t->GetExternalParameters(fTx,fTp);
+ t->GetExternalCovariance(fTc);
+ fTRDncls0 = t->GetNumberOfClusters();
+ break;
+ case kTOFin:
+ break;
+ case kTOFout:
+ break;
+ case kTRDStop:
+ break;
default:
- Error("UpdateTrackParams()","Wrong flag !\n");
+ AliError("Wrong flag !");
return kFALSE;
}
- SetStatus(flags);
- fLabel=t->GetLabel();
+ return rc;
+}
- if (t->IsStartedTimeIntegral()) {
- SetStatus(kTIME);
- Double_t times[10];t->GetIntegratedTimes(times); SetIntegratedTimes(times);
- SetIntegratedLength(t->GetIntegratedLength());
- }
+//_______________________________________________________________________
+void
+AliESDtrack::SetConstrainedTrackParams(const AliKalmanTrack *t, Double_t chi2) {
+ //
+ // This function sets the constrained track parameters
+ //
+ Int_t i;
+ Double_t x,buf[15];
+ fCalpha=t->GetAlpha();
+ t->GetExternalParameters(x,buf); fCx=x;
+ for (i=0; i<5; i++) fCp[i]=buf[i];
+ t->GetExternalCovariance(buf);
+ for (i=0; i<15; i++) fCc[i]=buf[i];
+ fCchi2=chi2;
+}
- fRalpha=t->GetAlpha();
- t->GetExternalParameters(fRx,fRp);
- t->GetExternalCovariance(fRc);
-
- if (flags == kITSin)
- {
- AliITStrackV2* itstrack = dynamic_cast<AliITStrackV2*>(t);
- if (itstrack)
- {
- itstrack->PropagateTo(3.,0.0028,65.19);
- itstrack->PropagateToVertex();
-
- Double_t ralpha=t->GetAlpha();
- Double_t rx; // X-coordinate of the track reference plane
- Double_t rp[5]; // external track parameters
- t->GetExternalParameters(rx,rp);
-
- Double_t phi=TMath::ASin(rp[2]) + ralpha;
- Double_t pt=1./TMath::Abs(rp[4]);
- Double_t r=TMath::Sqrt(rx*rx + rp[0]*rp[0]);
-
- fVertexX=r*TMath::Cos(phi);
- fVertexY=r*TMath::Sin(phi);
- fVertexZ=rp[1];
-
- fVertexPx = pt*TMath::Cos(phi);
- fVertexPy = pt*TMath::Sin(phi);
- fVertexPz = pt*rp[3];
- fVertex = kTRUE;
- }
- }
-
- return kTRUE;
+
+//_______________________________________________________________________
+void AliESDtrack::GetExternalParameters(Double_t &x, Double_t p[5]) const {
+ //---------------------------------------------------------------------
+ // This function returns external representation of the track parameters
+ //---------------------------------------------------------------------
+ x=fRx;
+ for (Int_t i=0; i<5; i++) p[i]=fRp[i];
}
//_______________________________________________________________________
-void AliESDtrack::GetExternalParametersAt(Double_t x, Double_t p[5]) const {
+Bool_t AliESDtrack::GetExternalParametersAt(Double_t x, Double_t p[5]) const {
//---------------------------------------------------------------------
// This function returns external representation of the track parameters
- // at the plane x
+ // at the position given by the first argument
//---------------------------------------------------------------------
Double_t dx=x-fRx;
- Double_t c=fRp[4]/AliKalmanTrack::GetConvConst();
- Double_t f1=fRp[2], f2=f1 + c*dx;
- Double_t r1=sqrt(1.- f1*f1), r2=sqrt(1.- f2*f2);
+ Double_t f1=fRp[2], f2=f1 + dx*fRp[4]/AliKalmanTrack::GetConvConst();
+
+ if (TMath::Abs(f2) >= 0.9999) return kFALSE;
+
+ Double_t r1=TMath::Sqrt(1.- f1*f1), r2=TMath::Sqrt(1.- f2*f2);
+ p[0] = fRp[0] + dx*(f1+f2)/(r1+r2);
+ p[1] = fRp[1] + dx*(f1+f2)/(f1*r2 + f2*r1)*fRp[3];
+ p[2] = f2;
+ p[3] = fRp[3];
+ p[4] = fRp[4];
- p[0]=fRp[0]+dx*(f1+f2)/(r1+r2);
- p[1]=fRp[1]+dx*(f1+f2)/(f1*r2 + f2*r1)*fRp[3];
- p[2]=fRp[2]+dx*c;
- p[3]=fRp[3];
- p[4]=fRp[4];
+ return kTRUE;
}
//_______________________________________________________________________
-void AliESDtrack::GetExternalParameters(Double_t &x, Double_t p[5]) const {
+void AliESDtrack::GetExternalCovariance(Double_t cov[15]) const {
//---------------------------------------------------------------------
- // This function returns external representation of the track parameters
+ // This function returns external representation of the cov. matrix
//---------------------------------------------------------------------
- x=fRx;
- for (Int_t i=0; i<5; i++) p[i]=fRp[i];
+ for (Int_t i=0; i<15; i++) cov[i]=fRc[i];
}
+
+//_______________________________________________________________________
+void
+AliESDtrack::GetConstrainedExternalParameters(Double_t &x, Double_t p[5])const{
+ //---------------------------------------------------------------------
+ // This function returns the constrained external track parameters
+ //---------------------------------------------------------------------
+ x=fCx;
+ for (Int_t i=0; i<5; i++) p[i]=fCp[i];
+}
+//_______________________________________________________________________
+void
+AliESDtrack::GetConstrainedExternalCovariance(Double_t c[15]) const {
+ //---------------------------------------------------------------------
+ // This function returns the constrained external cov. matrix
+ //---------------------------------------------------------------------
+ for (Int_t i=0; i<15; i++) c[i]=fCc[i];
+}
+
+
Double_t AliESDtrack::GetP() const {
//---------------------------------------------------------------------
// This function returns the track momentum
+ // Results for (nearly) straight tracks are meaningless !
//---------------------------------------------------------------------
- Double_t lam=TMath::ATan(fRp[3]);
+ if (TMath::Abs(fRp[4])<=0) return 0;
Double_t pt=1./TMath::Abs(fRp[4]);
- return pt/TMath::Cos(lam);
+ return pt*TMath::Sqrt(1.+ fRp[3]*fRp[3]);
+}
+
+void AliESDtrack::GetConstrainedPxPyPz(Double_t *p) const {
+ //---------------------------------------------------------------------
+ // This function returns the constrained global track momentum components
+ // Results for (nearly) straight tracks are meaningless !
+ //---------------------------------------------------------------------
+ if (TMath::Abs(fCp[4])<=0) {
+ p[0]=p[1]=p[2]=0;
+ return;
+ }
+ if (TMath::Abs(fCp[2]) > 0.999999) {
+ p[0]=p[1]=p[2]=0;
+ return;
+ }
+ Double_t pt=1./TMath::Abs(fCp[4]);
+ Double_t cs=TMath::Cos(fCalpha), sn=TMath::Sin(fCalpha);
+ Double_t r=TMath::Sqrt(1-fCp[2]*fCp[2]);
+ p[0]=pt*(r*cs - fCp[2]*sn); p[1]=pt*(fCp[2]*cs + r*sn); p[2]=pt*fCp[3];
+}
+
+void AliESDtrack::GetConstrainedXYZ(Double_t *xyz) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track position
+ //---------------------------------------------------------------------
+ Double_t cs=TMath::Cos(fCalpha), sn=TMath::Sin(fCalpha);
+ xyz[0]=fCx*cs - fCp[0]*sn; xyz[1]=fCx*sn + fCp[0]*cs; xyz[2]=fCp[1];
}
void AliESDtrack::GetPxPyPz(Double_t *p) const {
//---------------------------------------------------------------------
// This function returns the global track momentum components
+ // Results for (nearly) straight tracks are meaningless !
//---------------------------------------------------------------------
- Double_t phi=TMath::ASin(fRp[2]) + fRalpha;
+ if (TMath::Abs(fRp[4])<=0) {
+ p[0]=p[1]=p[2]=0;
+ return;
+ }
+ if (TMath::Abs(fRp[2]) > 0.999999) {
+ p[0]=p[1]=p[2]=0;
+ return;
+ }
Double_t pt=1./TMath::Abs(fRp[4]);
- p[0]=pt*TMath::Cos(phi); p[1]=pt*TMath::Sin(phi); p[2]=pt*fRp[3];
+ Double_t cs=TMath::Cos(fRalpha), sn=TMath::Sin(fRalpha);
+ Double_t r=TMath::Sqrt(1-fRp[2]*fRp[2]);
+ p[0]=pt*(r*cs - fRp[2]*sn); p[1]=pt*(fRp[2]*cs + r*sn); p[2]=pt*fRp[3];
}
void AliESDtrack::GetXYZ(Double_t *xyz) const {
//---------------------------------------------------------------------
// This function returns the global track position
//---------------------------------------------------------------------
- Double_t phi=TMath::ASin(fRp[2]) + fRalpha;
- Double_t r=TMath::Sqrt(fRx*fRx + fRp[0]*fRp[0]);
- xyz[0]=r*TMath::Cos(phi); xyz[1]=r*TMath::Sin(phi); xyz[2]=fRp[1];
+ Double_t cs=TMath::Cos(fRalpha), sn=TMath::Sin(fRalpha);
+ xyz[0]=fRx*cs - fRp[0]*sn; xyz[1]=fRx*sn + fRp[0]*cs; xyz[2]=fRp[1];
}
-//_______________________________________________________________________
-void AliESDtrack::GetExternalCovariance(Double_t c[15]) const {
+void AliESDtrack::GetCovariance(Double_t cv[21]) const {
//---------------------------------------------------------------------
- // This function returns external representation of the cov. matrix
+ // This function returns the global covariance matrix of the track params
+ //
+ // Cov(x,x) ... : cv[0]
+ // Cov(y,x) ... : cv[1] cv[2]
+ // Cov(z,x) ... : cv[3] cv[4] cv[5]
+ // Cov(px,x)... : cv[6] cv[7] cv[8] cv[9]
+ // Cov(py,y)... : cv[10] cv[11] cv[12] cv[13] cv[14]
+ // Cov(pz,z)... : cv[15] cv[16] cv[17] cv[18] cv[19] cv[20]
+ //
+ // Results for (nearly) straight tracks are meaningless !
//---------------------------------------------------------------------
- for (Int_t i=0; i<15; i++) c[i]=fRc[i];
+ if (TMath::Abs(fRp[4])<=0) {
+ for (Int_t i=0; i<21; i++) cv[i]=0.;
+ return;
+ }
+ if (TMath::Abs(fRp[2]) > 0.999999) {
+ for (Int_t i=0; i<21; i++) cv[i]=0.;
+ return;
+ }
+ Double_t pt=1./TMath::Abs(fRp[4]);
+ Double_t cs=TMath::Cos(fRalpha), sn=TMath::Sin(fRalpha);
+ Double_t r=TMath::Sqrt(1-fRp[2]*fRp[2]);
+
+ Double_t m00=-sn, m10=cs;
+ Double_t m23=-pt*(sn + fRp[2]*cs/r), m43=-pt*pt*(r*cs - fRp[2]*sn);
+ Double_t m24= pt*(cs - fRp[2]*sn/r), m44=-pt*pt*(r*sn + fRp[2]*cs);
+ Double_t m35=pt, m45=-pt*pt*fRp[3];
+
+ cv[0]=fRc[0]*m00*m00;
+ cv[1]=fRc[0]*m00*m10;
+ cv[2]=fRc[0]*m10*m10;
+ cv[3]=fRc[1]*m00;
+ cv[4]=fRc[1]*m10;
+ cv[5]=fRc[2];
+ cv[6]=m00*(fRc[3]*m23+fRc[10]*m43);
+ cv[7]=m10*(fRc[3]*m23+fRc[10]*m43);
+ cv[8]=fRc[4]*m23+fRc[11]*m43;
+ cv[9]=m23*(fRc[5]*m23+fRc[12]*m43)+m43*(fRc[12]*m23+fRc[14]*m43);
+ cv[10]=m00*(fRc[3]*m24+fRc[10]*m44);
+ cv[11]=m10*(fRc[3]*m24+fRc[10]*m44);
+ cv[12]=fRc[4]*m24+fRc[11]*m44;
+ cv[13]=m23*(fRc[5]*m24+fRc[12]*m44)+m43*(fRc[12]*m24+fRc[14]*m44);
+ cv[14]=m24*(fRc[5]*m24+fRc[12]*m44)+m44*(fRc[12]*m24+fRc[14]*m44);
+ cv[15]=m00*(fRc[6]*m35+fRc[10]*m45);
+ cv[16]=m10*(fRc[6]*m35+fRc[10]*m45);
+ cv[17]=fRc[7]*m35+fRc[11]*m45;
+ cv[18]=m23*(fRc[8]*m35+fRc[12]*m45)+m43*(fRc[13]*m35+fRc[14]*m45);
+ cv[19]=m24*(fRc[8]*m35+fRc[12]*m45)+m44*(fRc[13]*m35+fRc[14]*m45);
+ cv[20]=m35*(fRc[9]*m35+fRc[13]*m45)+m45*(fRc[13]*m35+fRc[14]*m45);
}
+void AliESDtrack::GetInnerPxPyPz(Double_t *p) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track momentum components
+ // af the entrance of the TPC
+ //---------------------------------------------------------------------
+ if (fIx==0) {p[0]=p[1]=p[2]=0.; return;}
+ Double_t phi=TMath::ASin(fIp[2]) + fIalpha;
+ Double_t pt=1./TMath::Abs(fIp[4]);
+ p[0]=pt*TMath::Cos(phi); p[1]=pt*TMath::Sin(phi); p[2]=pt*fIp[3];
+}
+
+void AliESDtrack::GetInnerXYZ(Double_t *xyz) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track position
+ // af the entrance of the TPC
+ //---------------------------------------------------------------------
+ if (fIx==0) {xyz[0]=xyz[1]=xyz[2]=0.; return;}
+ Double_t phi=TMath::ATan2(fIp[0],fIx) + fIalpha;
+ Double_t r=TMath::Sqrt(fIx*fIx + fIp[0]*fIp[0]);
+ xyz[0]=r*TMath::Cos(phi); xyz[1]=r*TMath::Sin(phi); xyz[2]=fIp[1];
+}
+
+void AliESDtrack::GetInnerExternalParameters(Double_t &x, Double_t p[5]) const
+{
+ //skowron
+ //---------------------------------------------------------------------
+ // This function returns external representation of the track parameters at Inner Layer of TPC
+ //---------------------------------------------------------------------
+ x=fIx;
+ for (Int_t i=0; i<5; i++) p[i]=fIp[i];
+}
+void AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const
+{
+ //skowron
+ //---------------------------------------------------------------------
+ // This function returns external representation of the cov. matrix at Inner Layer of TPC
+ //---------------------------------------------------------------------
+ for (Int_t i=0; i<15; i++) cov[i]=fIc[i];
+
+}
+
+void AliESDtrack::GetTRDExternalParameters(Double_t &x, Double_t p[5], Double_t cov[15]) const
+{
+ //
+ //this function returns TRD parameters
+ //
+ x=fTx;
+ for (Int_t i=0; i<5; i++) p[i]=fTp[i];
+ for (Int_t i=0; i<15; i++) cov[i]=fTc[i];
+}
+
+void AliESDtrack::GetOuterPxPyPzPHOS(Double_t *p) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track momentum components
+ // af the radius of the PHOS
+ //---------------------------------------------------------------------
+ p[0]=p[1]=p[2]=0. ;
+ if (fOx==0)
+ return;
+ Double_t phi=TMath::ASin(fOp[2]) + fOalpha;
+ Double_t pt=1./TMath::Abs(fOp[4]);
+ p[0]=pt*TMath::Cos(phi);
+ p[1]=pt*TMath::Sin(phi);
+ p[2]=pt*fOp[3];
+}
+void AliESDtrack::GetOuterPxPyPzEMCAL(Double_t *p) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track momentum components
+ // af the radius of the EMCAL
+ //---------------------------------------------------------------------
+ if (fXx==0)
+ return;
+ Double_t phi=TMath::ASin(fXp[2]) + fXalpha;
+ Double_t pt=1./TMath::Abs(fXp[4]);
+ p[0]=pt*TMath::Cos(phi);
+ p[1]=pt*TMath::Sin(phi);
+ p[2]=pt*fXp[3];
+}
+
+void AliESDtrack::GetOuterXYZPHOS(Double_t *xyz) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track position
+ // af the radius of the PHOS
+ //---------------------------------------------------------------------
+ xyz[0]=xyz[1]=xyz[2]=0.;
+ if (fOx==0)
+ return;
+ Double_t phi=TMath::ATan2(fOp[0],fOx) + fOalpha;
+ Double_t r=TMath::Sqrt(fOx*fOx + fOp[0]*fOp[0]);
+ xyz[0]=r*TMath::Cos(phi); xyz[1]=r*TMath::Sin(phi); xyz[2]=fOp[1];
+}
+void AliESDtrack::GetOuterXYZEMCAL(Double_t *xyz) const {
+ //---------------------------------------------------------------------
+ // This function returns the global track position
+ // af the radius of the EMCAL
+ //---------------------------------------------------------------------
+ if (fXx==0)
+ return;
+ Double_t phi=TMath::ATan2(fXp[0],fOx) + fXalpha;
+ Double_t r=TMath::Sqrt(fXx*fXx + fXp[0]*fXp[0]);
+ xyz[0]=r*TMath::Cos(phi);
+ xyz[1]=r*TMath::Sin(phi);
+ xyz[2]=fXp[1];
+}
+
//_______________________________________________________________________
void AliESDtrack::GetIntegratedTimes(Double_t *times) const {
+ // Returns the array with integrated times for each particle hypothesis
for (Int_t i=0; i<kSPECIES; i++) times[i]=fTrackTime[i];
}
//_______________________________________________________________________
void AliESDtrack::SetIntegratedTimes(const Double_t *times) {
+ // Sets the array with integrated times for each particle hypotesis
for (Int_t i=0; i<kSPECIES; i++) fTrackTime[i]=times[i];
}
//_______________________________________________________________________
-void AliESDtrack::SetITSpid(const Double_t *p) {
+void AliESDtrack::SetITSpid(const Double_t *p) {
+ // Sets values for the probability of each particle type (in ITS)
for (Int_t i=0; i<kSPECIES; i++) fITSr[i]=p[i];
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)
for (Int_t i=0; i<kSPECIES; i++) p[i]=fITSr[i];
}
}
//_______________________________________________________________________
-Int_t AliESDtrack::GetTPCclusters(UInt_t *idx) const {
+Int_t AliESDtrack::GetTPCclusters(Int_t *idx) const {
//---------------------------------------------------------------------
// This function returns indices of the assgined ITS clusters
//---------------------------------------------------------------------
- for (Int_t i=0; i<fTPCncls; i++) idx[i]=fTPCindex[i];
+ if (idx!=0)
+ for (Int_t i=0; i<180; i++) idx[i]=fTPCindex[i]; // MI I prefer some constant
return fTPCncls;
}
//_______________________________________________________________________
void AliESDtrack::SetTPCpid(const Double_t *p) {
+ // Sets values for the probability of each particle type (in TPC)
for (Int_t i=0; i<kSPECIES; i++) fTPCr[i]=p[i];
SetStatus(AliESDtrack::kTPCpid);
}
//_______________________________________________________________________
void AliESDtrack::GetTPCpid(Double_t *p) const {
+ // Gets the probability of each particle type (in TPC)
for (Int_t i=0; i<kSPECIES; i++) p[i]=fTPCr[i];
}
+//_______________________________________________________________________
+Int_t AliESDtrack::GetTRDclusters(UInt_t *idx) 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
+ return fTRDncls;
+}
+
//_______________________________________________________________________
void AliESDtrack::SetTRDpid(const Double_t *p) {
+ // Sets values for the probability of each particle type (in TRD)
for (Int_t i=0; i<kSPECIES; i++) fTRDr[i]=p[i];
SetStatus(AliESDtrack::kTRDpid);
}
//_______________________________________________________________________
void AliESDtrack::GetTRDpid(Double_t *p) const {
+ // Gets the probability of each particle type (in TRD)
for (Int_t i=0; i<kSPECIES; i++) p[i]=fTRDr[i];
}
//_______________________________________________________________________
void AliESDtrack::SetTRDpid(Int_t iSpecies, Float_t p)
{
+ // Sets the probability of particle type iSpecies to p (in TRD)
fTRDr[iSpecies] = p;
}
Float_t AliESDtrack::GetTRDpid(Int_t iSpecies) const
{
+ // Returns the probability of particle type iSpecies (in TRD)
return fTRDr[iSpecies];
}
//_______________________________________________________________________
void AliESDtrack::SetTOFpid(const Double_t *p) {
+ // Sets the probability of each particle type (in TOF)
for (Int_t i=0; i<kSPECIES; i++) fTOFr[i]=p[i];
SetStatus(AliESDtrack::kTOFpid);
}
//_______________________________________________________________________
void AliESDtrack::GetTOFpid(Double_t *p) const {
+ // Gets probabilities of each particle type (in TOF)
for (Int_t i=0; i<kSPECIES; i++) p[i]=fTOFr[i];
}
+
+
+//_______________________________________________________________________
+void AliESDtrack::SetPHOSpid(const Double_t *p) {
+ // Sets the probability of each particle type (in PHOS)
+ for (Int_t i=0; i<kSPECIESN; i++) fPHOSr[i]=p[i];
+ SetStatus(AliESDtrack::kPHOSpid);
+}
+
+//_______________________________________________________________________
+void AliESDtrack::GetPHOSpid(Double_t *p) const {
+ // Gets probabilities of each particle type (in PHOS)
+ for (Int_t i=0; i<kSPECIESN; i++) p[i]=fPHOSr[i];
+}
+
+//_______________________________________________________________________
+void AliESDtrack::SetEMCALpid(const Double_t *p) {
+ // Sets the probability of each particle type (in EMCAL)
+ for (Int_t i=0; i<kSPECIESN; i++) fEMCALr[i]=p[i];
+ SetStatus(AliESDtrack::kEMCALpid);
+}
+
+//_______________________________________________________________________
+void AliESDtrack::GetEMCALpid(Double_t *p) const {
+ // Gets probabilities of each particle type (in EMCAL)
+ for (Int_t i=0; i<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<kSPECIES; i++) fRICHr[i]=p[i];
+ SetStatus(AliESDtrack::kRICHpid);
+}
+
+//_______________________________________________________________________
+void AliESDtrack::GetRICHpid(Double_t *p) const {
+ // Gets probabilities of each particle type (in RICH)
+ for (Int_t i=0; i<kSPECIES; i++) p[i]=fRICHr[i];
+}
+
+
+
//_______________________________________________________________________
void AliESDtrack::SetESDpid(const Double_t *p) {
+ // Sets the probability of each particle type for the ESD track
for (Int_t i=0; i<kSPECIES; i++) fR[i]=p[i];
SetStatus(AliESDtrack::kESDpid);
}
//_______________________________________________________________________
void AliESDtrack::GetESDpid(Double_t *p) const {
+ // Gets probability of each particle type for the ESD track
for (Int_t i=0; i<kSPECIES; i++) p[i]=fR[i];
}
-void AliESDtrack::GetVertexXYZ(Double_t& x,Double_t& y, Double_t&z) const
-{
-//returns track position in DCA to vertex
- x = fVertexX;
- y = fVertexY;
- z = fVertexZ;
-}
-void AliESDtrack::GetVertexPxPyPz(Double_t& px,Double_t& py, Double_t& pz) const
-{
-//returns track momentum in DCA to vertex
- px = fVertexPx;
- py = fVertexPy;
- pz = fVertexPz;
-}
+//_______________________________________________________________________
+void AliESDtrack::Print(Option_t *) const {
+ // Prints info on the track
+
+ printf("ESD track info\n") ;
+ Double_t p[kSPECIESN] ;
+ Int_t index = 0 ;
+ if( IsOn(kITSpid) ){
+ printf("From ITS: ") ;
+ GetITSpid(p) ;
+ for(index = 0 ; index < kSPECIES; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetITSsignal()) ;
+ }
+ if( IsOn(kTPCpid) ){
+ printf("From TPC: ") ;
+ GetTPCpid(p) ;
+ for(index = 0 ; index < kSPECIES; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetTPCsignal()) ;
+ }
+ if( IsOn(kTRDpid) ){
+ printf("From TRD: ") ;
+ GetTRDpid(p) ;
+ for(index = 0 ; index < kSPECIES; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetTRDsignal()) ;
+ }
+ if( IsOn(kTOFpid) ){
+ printf("From TOF: ") ;
+ GetTOFpid(p) ;
+ for(index = 0 ; index < kSPECIES; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetTOFsignal()) ;
+ }
+ if( IsOn(kRICHpid) ){
+ printf("From TOF: ") ;
+ GetRICHpid(p) ;
+ for(index = 0 ; index < kSPECIES; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetRICHsignal()) ;
+ }
+ if( IsOn(kPHOSpid) ){
+ printf("From PHOS: ") ;
+ GetPHOSpid(p) ;
+ for(index = 0 ; index < kSPECIESN; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetPHOSsignal()) ;
+ }
+ if( IsOn(kEMCALpid) ){
+ printf("From EMCAL: ") ;
+ GetEMCALpid(p) ;
+ for(index = 0 ; index < kSPECIESN; index++)
+ printf("%f, ", p[index]) ;
+ printf("\n signal = %f\n", GetEMCALsignal()) ;
+ }
+}