-#include "AliRICHTracker.h"
+#include "AliRICHTracker.h" //class header
+#include "AliRICH.h"
+#include "AliRICHRecon.h"
#include <AliESD.h>
#include <TVector3.h>
-#include <TTree.h>
-#include "AliRICH.h"
+#include <TTree.h> //EsdPrint()
+#include <TFile.h> //EsdPrint()
#include "AliRICHHelix.h"
#include <AliMagF.h>
-#include "AliRICHRecon.h"
#include <AliStack.h>
#include <TParticle.h>
#include <TMath.h>
#include <AliRun.h>
+#include <TNtupleD.h> //RecWithStack();
+#include <AliTrackPointArray.h> //GetTrackPoint()
+#include <AliAlignObj.h> //GetTrackPoint()
ClassImp(AliRICHTracker)
-//__________________________________________________________________________________________________
-Int_t AliRICHTracker::PropagateBack(AliESD *pESD)
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+AliRICHTracker::AliRICHTracker():AliTracker()
{
-// Interface callback methode invoked by AliRecontruction during tracking after TOF
-// It steers to different way to provide the final reconstructed information sutable for analisys:
-// 1. AliESD - reconstructed tracks are used
-// 2. RICH private ntuple for debug- stack particles used instead of reconstructed tracks
- AliDebug(1,"Start pattern recognition");
- if(pESD->GetNumberOfTracks()) {
- Int_t iNtracks=pESD->GetNumberOfTracks();
- AliDebug(1,Form("Start with %i tracks",iNtracks));
- AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
- for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//ESD tracks loop
- RecWithESD(pESD,pRich,iTrackN);
- }
- }
- else RecWithStack(0);
- AliDebug(1,"Stop pattern recognition");
- return 0; // error code: 0=no error;
-}//PropagateBack()
-//__________________________________________________________________________________________________
-void AliRICHTracker::RecWithESD(AliESD *pESD,AliRICH *pRich,Int_t iTrackN)
+// AliRICHTracker is created from AliReconstraction::Run() which invokes AliReconstraction::CreateTrackers()
+// which in turn invokes AliRICHReconstructor::CreateTracker().
+// Note that this is done just once per session before AliReconstruction::Run() goes to events loop.
+ AliRICHParam::Instance()->CdbRead(0,0);
+ for(Int_t i=0;i<5;i++)fErrPar[i]=0;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Bool_t AliRICHTracker::GetTrackPoint(Int_t idx, AliTrackPoint& point) const
{
-//recontruction from ESD- primary way to reconstruct particle ID signal from tracks provided by core detectors
- fnPhotBKG = 0;
-
- Double_t fField=GetFieldMap()->SolenoidField()/10;// magnetic field in Tesla
- AliESDtrack *pTrack = pESD->GetTrack(iTrackN);// get next reconstructed track
-// if((pTrack->GetStatus()&AliESDtrack::kTOFout)==0) continue; //ignore tracks not recontructed by TOF
-// pTrack->GetXYZ(xb);
-// pTrack->GetPxPyPz(pb);
- Int_t status=pTrack->GetStatus()&AliESDtrack::kTOFout;//get running track parameters
- Int_t charge = (Int_t)(-TMath::Sign(1.,pTrack->GetSign()*fField));
- AliDebug(1,Form("Track %i pmod=%f charge=%i stat=%i",iTrackN,pTrack->GetP(),charge,status));
- AliRICHHelix helix(pTrack->X3(),pTrack->P3(),charge,fField);
- Int_t iChamber=helix.RichIntersect(pRich->P());
- AliDebug(1,Form("intersection with %i chamber found",iChamber));
- if(!iChamber) {
- pTrack->SetRICHsignal(-999); //to be improved by flags...
- return;//intersection with no chamber found
- }
-//find MIP cluster candidate (cluster which is closest to track intersection point)
- Double_t distMip=9999,distX=0,distY=0; //min distance between clusters and track position on PC
- Int_t iMipId=0; //index of that min distance cluster
- Double_t chargeMip=0; //charge of the MIP
- Bool_t kFound = kFALSE;
- for(Int_t iClusN=0;iClusN<pRich->Clusters(iChamber)->GetEntries();iClusN++){//clusters loop for intersected chamber
- AliRICHCluster *pClus=(AliRICHCluster*)pRich->Clusters(iChamber)->UncheckedAt(iClusN);//get pointer to current cluster
- if(pClus->Q()<AliRICHParam::QthMIP()) continue;
- Double_t distCurrent=pClus->DistTo(helix.PosPc());//distance between current cluster and helix intersection with PC
- if(distCurrent<distMip){
- kFound = kTRUE;
- distMip=distCurrent;
- iMipId=iClusN;
- distX=pClus->DistX(helix.PosPc());
- distY=pClus->DistY(helix.PosPc());
- chargeMip=pClus->Q();
- }//find cluster nearest to the track
- AliDebug(1,Form("Ploc (%f,%f,%f) dist= %f",helix.Ploc().Mag(),helix.Ploc().Theta()*TMath::RadToDeg(),
- helix.Ploc().Phi()*TMath::RadToDeg(),pClus->DistTo(helix.PosPc())));
+// Interface callback methode invoked from AliReconstruction::WriteAlignmentData() to get position of MIP cluster in MARS associated to a current track.
+// MIP cluster is reffered by index which is stored in AliESDtrack ???????
+// Arguments: idx- cluster index which is stored by RICH in AliESDtrack
+// point- reference to the object where to store the point
+// Returns: status of operation if FALSE then AliReconstruction::WriteAlignmentData() do not store this point to array of points for current track.
+ if(idx<0) return kFALSE; //no MIP cluster assigned to this track in PropagateBack()
+ Int_t iCham=idx/1000000;
+ Int_t iClu=idx%1000000;
+ point.SetVolumeID(AliAlignObj::LayerToVolUID(AliAlignObj::kRICH,iCham-1));//layer and chamber number
+ AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
+ AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iCham)->UncheckedAt(iClu);//get pointer to cluster
+ TVector3 mars=AliRICHParam::Instance()->Lors2Mars(iCham,pClu->X(),pClu->Y());
+ point.SetXYZ(mars.X(),mars.Y(),mars.Z());
+ return kTRUE;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Int_t AliRICHTracker::LoadClusters(TTree *pCluTree)
+{
+// Interface callback methode invoked from AliReconstruction::RunTracking() to load RICH clusters for RICH
+// Arguments: pCluTree- pointer to clusters tree got by AliRICHLoader::LoadRecPoints("read") then AliRICHLoader::TreeR()
+// Returns: error code (currently ignored in AliReconstruction::RunTraking())
+ AliDebug(1,"Start."); pCluTree->GetEntry(0); AliDebug(1,"Stop."); return 0;
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+Int_t AliRICHTracker::PropagateBack(AliESD *pESD)
+{
+// Interface callback methode invoked by AliRecontruction::RunTracking() during tracking after TOF. It's done just once per event
+// Arguments: pESD - pointer to Event Summary Data class instance which contains a list of tracks
+// Returns: error code, 0 if no errors
+ Int_t iNtracks=pESD->GetNumberOfTracks();
+ AliDebug(1,Form("Start with %i tracks",iNtracks));
+ AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
+ AliRICHRecon recon;
+
+ for(Int_t iTrk=0;iTrk<iNtracks;iTrk++){//ESD tracks loop
+ AliESDtrack *pTrack = pESD->GetTrack(iTrk);// get next reconstructed track
+ AliRICHHelix helix(pTrack->X3(),pTrack->P3(),(Int_t)pTrack->GetSign(),GetBz()/10); //construct helix out of track running parameters
+ helix.Print("Track");
+ Int_t iChamber=helix.RichIntersect(AliRICHParam::Instance());
+ if(!iChamber) continue; //no intersection with chambers, ignore this track go after the next one
+
+ //find MIP cluster candidate (closest to track intersection point cluster with large enough QDC)
+ Double_t dR=9999, dX=9999, dY=9999; //distance between track-PC intersection point and current cluster
+ Double_t dRmip=9999,dXmip=9999,dYmip=9999; //distance between track-PC intersection point and nearest cluster
+ Int_t iMipId=-1; //index of this nearest cluster
+ for(Int_t iClu=0;iClu<pRich->Clus(iChamber)->GetEntries();iClu++){//clusters loop for intersected chamber
+ AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iChamber)->UncheckedAt(iClu);//get pointer to current cluster
+ if(pClu->Q()<AliRICHParam::QthMIP()) continue; //to low QDC, go after another one
+ pClu->DistXY(helix.PosPc(),dX,dY); dR=TMath::Sqrt(dX*dX+dY*dY); //get distance for current cluster
+ if(dR<dRmip){iMipId=iClu; dRmip=dR; dXmip=dX; dYmip=dY; } //current cluster is closer, overwrite data for min cluster
}//clusters loop for intersected chamber
- if(!kFound) {
- pTrack->SetRICHsignal(-999);
- return;
- }
- AliDebug(1,Form("Min distance cluster: %i dist is %f",iMipId,distMip));
- pTrack->SetRICHcluster(((Int_t)chargeMip)+1000000*iChamber);
- pTrack->SetRICHdxdy(distX,distY);
- pTrack->SetRICHthetaPhi(helix.Ploc().Theta(),helix.Ploc().Phi());
-//
-// HERE CUTS ON GOLD RINGS....
-//
- if(distMip>AliRICHParam::DmatchMIP()) {
- //track not accepted for pattern recognition
- pTrack->SetRICHsignal(-990); //to be improved by flags...
- return;
- }
-//
- AliRICHRecon recon(&helix,pRich->Clusters(iChamber),iMipId); //actual job is done there
-
- Double_t thetaCerenkov=recon.ThetaCerenkov(); //search for mean Cerenkov angle for this track
+ pTrack->SetRICHthetaPhi(helix.Ploc().Theta(),helix.Ploc().Phi()); //store track impact angles with respect to RICH planes
+ pTrack->SetRICHdxdy(dXmip,dYmip); //distance between track-PC intersection and closest cluster with Qdc>100
- pTrack->SetRICHsignal(thetaCerenkov);
- pTrack->SetRICHnclusters(recon.GetHoughPhotons());
+ if(iMipId==-1) {pTrack->SetRICHsignal(kMipQdcCut); continue;} //no cluster with enough QDC found
+ if(dRmip>AliRICHParam::DmatchMIP()) {pTrack->SetRICHsignal(kMipDistCut); continue;} //closest cluster with enough carge is still too far
+
+ pTrack->SetRICHcluster(iMipId+1000000*iChamber); //set mip cluster index
+ pTrack->SetRICHsignal(recon.ThetaCerenkov(&helix,pRich->Clus(iChamber),iMipId));//search for mean Cerenkov angle for this track
+ pTrack->SetRICHnclusters(iMipId); //on return iMipId is number of photon clusters accepted in reconstruction
- fnPhotBKG = recon.GetPhotBKG();
-
- AliDebug(1,Form("FINAL Theta Cerenkov=%f",pTrack->GetRICHsignal()));
-//
+ AliDebug(1,Form("Ch=%i PC Intersection=(%5.2f,%5.2f) cm MIP cluster dist=(%5.2f,%5.2f)=%5.2f cm ThetaCkov=%f",
+ iChamber,helix.PosPc().X(),helix.PosPc().Y(), dXmip,dYmip,dRmip, pTrack->GetRICHsignal()));
+
+//here comes PID calculations
if(pTrack->GetRICHsignal()>0) {
AliDebug(1,Form("Start to assign the probabilities"));
Double_t sigmaPID[AliPID::kSPECIES];
for (Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++) {
sigmaPID[iPart] = 0;
fErrPar[iPart] = 0;
- for(Int_t iphot=0;iphot<pRich->Clusters(iChamber)->GetEntries();iphot++) {
+ for(Int_t iphot=0;iphot<pRich->Clus(iChamber)->GetEntries();iphot++) {
recon.SetPhotonIndex(iphot);
if(recon.GetPhotonFlag() == 2) {
Double_t theta_g=recon.GetTrackTheta();
Double_t phi_g=(recon.GetPhiPoint()-recon.GetTrackPhi());
- Double_t sigma2 = AliRICHParam::SigmaSinglePhoton(iPart,pTrack->GetP(),theta_g,phi_g).Mag2();
+ Double_t sigma2 = AliRICHParam::Instance()->SigmaSinglePhoton(iPart,pTrack->GetP(),theta_g,phi_g).Mag2();
if(sigma2>0) sigmaPID[iPart] += 1/sigma2;
}
}
- if (sigmaPID[iPart]>0)
- sigmaPID[iPart] *= (Double_t)(recon.GetHoughPhotons()-fnPhotBKG)/(Double_t)(recon.GetHoughPhotons()); // n total phots, m are background...the sigma are scaled..
- if(sigmaPID[iPart]>0) sigmaPID[iPart] = 1/TMath::Sqrt(sigmaPID[iPart])*0.001; // sigma from parametrization are in mrad...
+ if (sigmaPID[iPart]>0)
+ sigmaPID[iPart] *= (Double_t)(iMipId-recon.GetPhotBKG())/(Double_t)(iMipId); // n total phots, m are background...the sigma are scaled..
+ if(sigmaPID[iPart]>0) sigmaPID[iPart] = 1/TMath::Sqrt(sigmaPID[iPart])*0.001; // sigma from parametrization are in mrad...
else sigmaPID[iPart] = 0;
fErrPar[iPart]=sigmaPID[iPart];
AliDebug(1,Form("sigma for %s is %f rad",AliPID::ParticleName(iPart),sigmaPID[iPart]));
}
- CalcProb(thetaCerenkov,pTrack->GetP(),sigmaPID,richPID);
+ CalcProb(pTrack->GetRICHsignal(),pTrack->GetP(),sigmaPID,richPID);
pTrack->SetRICHpid(richPID);
AliDebug(1,Form("PROBABILITIES ---> %f - %f - %f - %f - %f",richPID[0],richPID[1],richPID[2],richPID[3],richPID[4]));
}
- AliDebug(1,"Stop.");
-} //RecWithESD
-//__________________________________________________________________________________________________
+ }//ESD tracks loop
+ AliDebug(1,"Stop pattern recognition");
+ return 0; // error code: 0=no error;
+}//PropagateBack()
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliRICHTracker::RecWithStack(TNtupleD *hn)
{
-//Reconstruction for particles from STACK. This methode is to be used for RICH standalone when no other detectors are switched on,
-//so normal tracking is not available
+// Reconstruction for particles from STACK. This methode is to be used for RICH standalone when no other detectors are switched on, so normal tracking is not available.
+// Arguments: hn- output ntuple where to store all variables
+// Returns: none
AliDebug(1,"Start.");
AliRICH *pRich=((AliRICH*)gAlice->GetDetector("RICH"));
if(pRich->GetLoader()->LoadRecPoints()) {AliDebug(1,Form("No clusters found in RICH"));return;}
pRich->GetLoader()->TreeR()->GetEntry(0);
+ AliRICHRecon recon;
for(Int_t iTrackN=0;iTrackN<iNtracks;iTrackN++){//stack particles loop
TParticle *pParticle = pStack->Particle(iTrackN);
if(!pParticle) {AliDebug(1,Form("Not a valid TParticle pointer. Track skipped"));continue;}
if(pParticle->GetPDG()->Charge()==0||TMath::Abs(Int_t(pParticle->GetPDG()->Charge()))!=3) continue; //to avoid photons from stack...
hnvec[0]=pParticle->P();
hnvec[1]=pParticle->GetPDG()->Charge();
- p0.SetMagThetaPhi(pParticle->P(),pParticle->Theta(),pParticle->Phi());
- x0.SetXYZ(pParticle->Vx(),pParticle->Vy(),pParticle->Vz());
+
+ p0.SetMagThetaPhi(pParticle->P(),pParticle->Theta(),pParticle->Phi()); x0.SetXYZ(pParticle->Vx(),pParticle->Vy(),pParticle->Vz());
AliRICHHelix helix(x0,p0,TMath::Sign(1,(Int_t)pParticle->GetPDG()->Charge()),b);
- Int_t iChamber=helix.RichIntersect(pRich->P());
+ Int_t iChamber=helix.RichIntersect(AliRICHParam::Instance());
+ if(!iChamber) continue;// no intersection with RICH found
+
hnvec[2]=helix.Ploc().Theta();
hnvec[3]=helix.Ploc().Phi();
- AliDebug(1,Form("intersection with %i chamber found",iChamber));
- if(!iChamber) continue;// no intersection with RICH found
hnvec[4]=helix.PosPc().X();
hnvec[5]=helix.PosPc().Y();
- Double_t distMip=9999; //min distance between clusters and track position on PC
- Double_t mipX=-1; //min distance between clusters and track position on PC
- Double_t mipY=-1; //min distance between clusters and track position on PC
- Double_t chargeMip=-1; // charge MIP to find
+
+ Double_t dX,dY,dR,dRmip=9999; //min distance between clusters and track position on PC
Int_t iMipId=-1; //index of that min distance cluster
- for(Int_t iClusN=0;iClusN<pRich->Clusters(iChamber)->GetEntries();iClusN++){//clusters loop for intersected chamber
- AliRICHCluster *pClus=(AliRICHCluster*)pRich->Clusters(iChamber)->UncheckedAt(iClusN);//get pointer to current cluster
- Double_t distCurrent=pClus->DistTo(helix.PosPc());//ditance between current cluster and helix intersection with PC
- if(distCurrent<distMip){distMip=distCurrent;mipX=pClus->X();
- mipY=pClus->Y();
- chargeMip=pClus->Q();iMipId=1000000*iChamber+iClusN;}//find cluster nearest to the track
+ for(Int_t iClu=0;iClu<pRich->Clus(iChamber)->GetEntries();iClu++){//clusters loop for intersected chamber
+ AliRICHCluster *pClu=(AliRICHCluster*)pRich->Clus(iChamber)->UncheckedAt(iClu);//get pointer to current cluster
+ pClu->DistXY(helix.PosPc(),dX,dY); dR=TMath::Sqrt(dX*dX+dY*dY);//ditance between current cluster and helix intersection with PC
+ if(dR<dRmip){dRmip=dR; hnvec[6]=pClu->X();hnvec[7]=pClu->Y();hnvec[8]=pClu->Q();
+ iMipId=1000000*iChamber+iClu;}//find cluster nearest to the track
- AliDebug(1,Form("Ploc (%f,%f,%f) dist= %f",helix.Ploc().Mag(),helix.Ploc().Theta()*TMath::RadToDeg(),
- helix.Ploc().Phi()*TMath::RadToDeg(),pClus->DistTo(helix.PosPc())));
}//clusters loop for intersected chamber
- AliDebug(1,Form("Min distance cluster: %i dist is %f",iMipId,distMip));
- hnvec[6]=mipX;hnvec[7]=mipY;
- hnvec[8]=chargeMip;
- AliRICHRecon recon(&helix,pRich->Clusters(iChamber),iMipId);
- Double_t thetaCerenkov=recon.ThetaCerenkov(); //search for mean Cerenkov angle for this track
- hnvec[9]=thetaCerenkov;
- hnvec[10]=recon.GetHoughPhotons();
+
+ hnvec[9]=recon.ThetaCerenkov(&helix,pRich->Clus(iChamber),iMipId); //search for mean Cerenkov angle for this track
+ hnvec[10]=iMipId;//on return from ThetaCerenkov() contains number of photon candidates accepted
hnvec[11]=(Double_t)iMipId;
hnvec[12]=(Double_t)iChamber;
hnvec[13]=(Double_t)pParticle->GetPdgCode();
if(hn) hn->Fill(hnvec);
- AliDebug(1,Form("FINAL Theta Cerenkov=%f",thetaCerenkov));
+ AliDebug(1,Form("FINAL Theta Cerenkov=%f",hnvec[9]));
}//stack particles loop
pRich->GetLoader()->UnloadRecPoints();
AliDebug(1,"Stop.");
}//RecWithStack
-//__________________________________________________________________________________________________
-Int_t AliRICHTracker::LoadClusters(TTree *pTree)
-{
-// Load clusters for RICH
- AliDebug(1,"Start."); pTree->GetEntry(0); AliDebug(1,"Stop."); return 0;
-}
-//__________________________________________________________________________________________________
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliRICHTracker::CalcProb(Double_t thetaCer,Double_t pmod, Double_t *sigmaPID, Double_t *richPID)
{
// Calculates probability to be a electron-muon-pion-kaon-proton
for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++){
height[iPart]=0;
Double_t mass = AliRICHParam::fgMass[iPart];
- Double_t refIndex=AliRICHParam::RefIdxC6F14(AliRICHParam::MeanCkovEnergy());
+ Double_t refIndex=AliRICHParam::Instance()->IdxC6F14(AliRICHParam::EckovMean());
Double_t cosThetaTh = TMath::Sqrt(mass*mass+pmod*pmod)/(refIndex*pmod);
thetaTh[iPart]=0;
if(cosThetaTh>=1) continue;
if(sigmaPID[iPart]>0) height[iPart] = TMath::Gaus(thetaCer,thetaTh[iPart],sigmaPID[iPart],kTRUE);
else height[iPart] = 0;
totalHeight +=height[iPart];
- AliDebug(1,Form(" Particle %s with mass %f with height %f and thetaTH %f",AliPID::ParticleName(iPart),mass,height[iPart],thetaTh[iPart]));
- AliDebug(1,Form(" partial height %15.14f total height %15.14f",height[iPart],totalHeight));
+ AliDebugClass(1,Form(" Particle %s with mass %f with height %f and thetaTH %f",AliPID::ParticleName(iPart),mass,height[iPart],thetaTh[iPart]));
+ AliDebugClass(1,Form(" partial height %15.14f total height %15.14f",height[iPart],totalHeight));
}
if(totalHeight<1e-5) {for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++)richPID[iPart]=1.0/AliPID::kSPECIES;return;}
for(Int_t iPart=0;iPart<AliPID::kSPECIES;iPart++) richPID[iPart] = height[iPart]/totalHeight;
//last line is to check if the nearest thetacerenkov to the teorethical one is within 5 sigma, otherwise no response (equal prob to every particle
}//CalcProb
-//__________________________________________________________________________________________________
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliRICHTracker::EsdPrint()
+{
+ TFile *pFile=TFile::Open("AliESDs.root","read"); if(!pFile) {Printf("ERROR: No AliESDs.root in current directory!");return;}
+ TTree *pEsdTr = (TTree*)pFile->Get("esdTree"); if(!pEsdTr){Printf("ERROR: Bad AliESDs.root, no ESD tree inside!");return;}
+ AliESD *pESD=new AliESD; pEsdTr->SetBranchAddress("ESD", &pESD);
+
+ Int_t iNevt=pEsdTr->GetEntries(); Printf("This ESD contains %i events",iNevt);
+ for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//ESD events loop
+ pEsdTr->GetEvent(iEvt);
+ Int_t iNtracks=pESD->GetNumberOfTracks(); Printf("ESD contains %i tracks created in Bz=%.2f Tesla",iNtracks,pESD->GetMagneticField()/10.);
+ for(Int_t iTrk=0;iTrk<iNtracks;iTrk++){//ESD tracks loop
+ AliESDtrack *pTrack = pESD->GetTrack(iTrk);// get next reconstructed track
+ Double_t dx,dy; pTrack->GetRICHdxdy(dx,dy);
+ Double_t theta,phi; pTrack->GetRICHthetaPhi(theta,phi);
+ Printf("Track %2i Q=%4.1f P=%.3f GeV RICH: ChamberCluster %7i Track-Mip=(%7.2f,%7.2f)=%5.2f cm ThetaCer %7.1f rad",iTrk,pTrack->GetSign(),pTrack->GetP(),
+ pTrack->GetRICHcluster(),dx,dy,TMath::Sqrt(dx*dx+dy*dy),pTrack->GetRICHsignal());
+ }//ESD tracks loop
+ }//ESD events loop
+ delete pESD; pFile->Close();//close AliESDs.root
+}
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff