X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=STEER%2FAliESDtrack.cxx;h=c39f9f21525d8c40639668147f703c185a20d18a;hb=4162b1d04ae4897e1a1f8dcde8782383ca555cfc;hp=d2e0c4f427abb170600cb2603cb0d49af53141d4;hpb=6e5b1b04f073347b41cc3f5dc2a6eb66ea0f81d8;p=u%2Fmrichter%2FAliRoot.git

diff --git a/STEER/AliESDtrack.cxx b/STEER/AliESDtrack.cxx
index d2e0c4f427a..c39f9f21525 100644
--- a/STEER/AliESDtrack.cxx
+++ b/STEER/AliESDtrack.cxx
@@ -12,7 +12,6 @@
  * 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
 //   ESD = Event Summary Data
@@ -22,6 +21,7 @@
 //-----------------------------------------------------------------
 
 #include "TMath.h"
+#include "TString.h"
 
 #include "AliESDtrack.h"
 #include "AliKalmanTrack.h"
@@ -41,6 +41,8 @@ fCx(0),
 fCchi2(1e10),
 fIalpha(0),
 fIx(0),
+fTalpha(0),
+fTx(0),
 fOalpha(0),
 fOx(0),
 fITSchi2(0),
@@ -52,44 +54,165 @@ fTPCClusterMap(159),//number of padrows
 fTPCsignal(0),
 fTRDchi2(0),
 fTRDncls(0),
+fTRDncls0(0),
 fTRDsignal(0),
 fTOFchi2(0),
 fTOFindex(0),
-fTOFsignal(-1)
+fTOFsignal(-1),
+fPHOSsignal(-1),
+fEMCALsignal(-1),
+fRICHsignal(-1)
 {
   //
   // The default ESD constructor 
   //
   for (Int_t i=0; i<kSPECIES; i++) {
-    fTrackTime[i]=0;
-    fR[i]=0;
-    fITSr[i]=0;
-    fTPCr[i]=0;
-    fTRDr[i]=0;
-    fTOFr[i]=0;
+    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]=0.; fCp[i]=0.; fIp[i]=0.; fOp[i]=0.;}
-  for (i=0; i<15; i++) { fRc[i]=0.; fCc[i]=0.; fIc[i]=0.; fOc[i]=0.;   }
+  for (i=0; i<5; i++)  { fRp[i]=0.; fCp[i]=0.; fIp[i]=0.; fOp[i]=0.; fTp[i]=0.;}
+  for (i=0; i<15; i++) { fRc[i]=0.; fCc[i]=0.; fIc[i]=0.; fOc[i]=0.; 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<90; i++) { fTRDindex[i]=0; }
+  for (i=0; i<130; i++) { fTRDindex[i]=0; }
   fTPCLabel = 0;
   fTRDLabel = 0;
   fITSLabel = 0;
+  fITStrack = 0;
+  fTRDtrack = 0;  
+}
+
+//_______________________________________________________________________
 
+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");
+  if (fITStrack) delete fITStrack;
+  if (fTRDtrack) delete fTRDtrack;  
 }
 
 //_______________________________________________________________________
-Float_t AliESDtrack::GetMass() const {
+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;
@@ -123,6 +246,7 @@ Bool_t AliESDtrack::UpdateTrackParams(AliKalmanTrack *t, ULong_t flags) {
     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 kTPCrefit:
@@ -197,22 +321,42 @@ Bool_t AliESDtrack::UpdateTrackParams(AliKalmanTrack *t, ULong_t flags) {
     break;
 
   case kTRDout:
-    { //requested by the PHOS  ("temporary solution")
-      Double_t r=460.;
-      if (t->PropagateTo(r,30.,0.)) {  
+    { //requested by the PHOS/EMCAL  ("temporary solution")
+      Int_t i;
+      Double_t x=460.,buf[15];
+      if (t->PropagateTo(x,30.,0.)) {  
          fOalpha=t->GetAlpha();
-         t->GetExternalParameters(fOx,fOp);
-         t->GetExternalCovariance(fOc);
+         t->GetExternalParameters(x,buf); fOx=x;
+         for (i=0; i<5; i++) fOp[i]=buf[i];
+         t->GetExternalCovariance(buf);
+         for (i=0; i<15; i++) fOc[i]=buf[i];
+      }
+      x=450.;
+      if (t->PropagateTo(x,30.,0.)) {  
+         fXalpha=t->GetAlpha();
+         t->GetExternalParameters(x,buf); fXx=x;
+         for (i=0; i<5; i++) fXp[i]=buf[i];
+         t->GetExternalCovariance(buf);
+         for (i=0; i<15; i++) fXc[i]=buf[i];
       }
     }
   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: 
@@ -229,9 +373,13 @@ AliESDtrack::SetConstrainedTrackParams(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(fCx,fCp);
-  t->GetExternalCovariance(fCc);
+  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;
 }
 
@@ -276,15 +424,19 @@ Double_t AliESDtrack::GetP() const {
   //---------------------------------------------------------------------
   // This function returns the track momentum
   //---------------------------------------------------------------------
-  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
   //---------------------------------------------------------------------
+  if (TMath::Abs(fCp[4])<=0) {
+    p[0]=p[1]=p[2]=0;
+    return;
+  }
   Double_t phi=TMath::ASin(fCp[2]) + fCalpha;
   Double_t pt=1./TMath::Abs(fCp[4]);
   p[0]=pt*TMath::Cos(phi); p[1]=pt*TMath::Sin(phi); p[2]=pt*fCp[3]; 
@@ -302,6 +454,10 @@ void AliESDtrack::GetPxPyPz(Double_t *p) const {
   //---------------------------------------------------------------------
   // This function returns the global track momentum components
   //---------------------------------------------------------------------
+  if (TMath::Abs(fRp[4])<=0) {
+    p[0]=p[1]=p[2]=0;
+    return;
+  }
   Double_t phi=TMath::ASin(fRp[2]) + fRalpha;
   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]; 
@@ -357,26 +513,66 @@ void AliESDtrack::GetInnerExternalCovariance(Double_t cov[15]) const
  
 }
 
-void AliESDtrack::GetOuterPxPyPz(Double_t *p) const {
+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::GetOuterPxPyPz(Double_t *p, TString det) const {
   //---------------------------------------------------------------------
   // This function returns the global track momentum components
   // af the radius of the PHOS
   //---------------------------------------------------------------------
-  if (fOx==0) {p[0]=p[1]=p[2]=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]; 
+  p[0]=p[1]=p[2]=0. ; 
+  if (det == "PHOS") { 
+    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];
+  } 
+  else if (det == "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];
+  }
+  else 
+    Warning("GetOuterPxPyPz", "Only valid for PHOS or EMCAL") ; 
 }
 
-void AliESDtrack::GetOuterXYZ(Double_t *xyz) const {
+void AliESDtrack::GetOuterXYZ(Double_t *xyz, TString det) const {
   //---------------------------------------------------------------------
   // This function returns the global track position
-  // af the radius of the PHOS
-  //---------------------------------------------------------------------
-  if (fOx==0) {xyz[0]=xyz[1]=xyz[2]=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]; 
+  // af the radius of the PHOS/EMCAL
+  //---------------------------------------------------------------------
+  xyz[0]=xyz[1]=xyz[2]=0.;
+  if ( det == "PHOS" ) {
+    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]; 
+  } 
+  else if ( det == "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]; 
+  } 
 }
 
 //_______________________________________________________________________
@@ -398,6 +594,9 @@ void AliESDtrack::SetITSpid(const Double_t *p) {
   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)
@@ -442,7 +641,7 @@ 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<90; i++) idx[i]=fTRDindex[i];  // MI I prefer some constant
+    for (Int_t i=0; i<130; i++) idx[i]=fTRDindex[i];  // MI I prefer some constant
   return fTRDncls;
 }
 
@@ -485,6 +684,49 @@ void AliESDtrack::GetTOFpid(Double_t *p) const {
   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
@@ -498,3 +740,60 @@ void AliESDtrack::GetESDpid(Double_t *p) const {
   for (Int_t i=0; i<kSPECIES; i++) p[i]=fR[i];
 }
 
+//_______________________________________________________________________
+void AliESDtrack::Print(Option_t *) const {
+  // Prints info on the track
+  
+  Info("Print","Track info") ; 
+  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()) ;
+  }
+}