#include "AliPHOSPIDv1.h"
#include "AliPHOSGetter.h"
#include "AliPHOSTracker.h"
-#include "AliRawReaderFile.h"
+#include "AliRawReader.h"
ClassImp(AliPHOSReconstructor)
}
//____________________________________________________________________________
-void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const
+void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader) const
{
// method called by AliReconstruction;
// Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
}
//____________________________________________________________________________
-void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReaderFile* rawreader) const
+void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const
{
// method called by AliReconstruction;
// Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track
// segment maker needs access to the AliESD object to retrieve the tracks reconstructed by
// the global tracking.
// Here we reconstruct from Raw Data
-
+
rawreader->Reset() ;
TString headerFile(runLoader->GetFileName()) ;
TString branchName(runLoader->GetEventFolder()->GetName()) ;
AliPHOSClusterizerv1 clu(headerFile, branchName);
clu.SetEventRange(0, -1) ; // do all the events
+ clu.SetRawReader(rawreader);
+
+ TString option = GetOption();
+ if (option.Contains("OldRCUFormat"))
+ clu.SetOldRCUFormat(kTRUE);
+
if ( Debug() )
clu.ExecuteTask("deb all") ;
else
- clu.ExecuteTask("") ;
+ clu.ExecuteTask("") ;
}
Int_t eventNumber = runLoader->GetEventNumber() ;
- AliPHOSGetter::Instance()->Event(eventNumber, "P") ;
- TClonesArray *recParticles = AliPHOSGetter::Instance()->RecParticles();
+ AliPHOSGetter *gime = AliPHOSGetter::Instance();
+ gime->Event(eventNumber, "DRTP") ;
+ TClonesArray *recParticles = gime->RecParticles();
Int_t nOfRecParticles = recParticles->GetEntries();
- esd->SetNumberOfPHOSParticles(nOfRecParticles) ;
- esd->SetFirstPHOSParticle(esd->GetNumberOfTracks()) ;
+
+ esd->SetNumberOfPHOSClusters(nOfRecParticles) ;
+ esd->SetFirstPHOSCluster(esd->GetNumberOfCaloClusters()) ;
+
+ AliDebug(2,Form("%d digits and %d rec. particles in event %d, option %s",gime->Digits()->GetEntries(),nOfRecParticles,eventNumber,GetOption()));
for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
if (Debug())
rp->Print();
- AliESDtrack * et = new AliESDtrack() ;
- // fills the ESDtrack
- Double_t xyz[3];
+ // Get track segment and EMC rec.point associated with this rec.particle
+ AliPHOSTrackSegment *ts = gime->TrackSegment(rp->GetPHOSTSIndex());
+ AliPHOSEmcRecPoint *emcRP = gime->EmcRecPoint(ts->GetEmcIndex());
+ AliESDCaloCluster *ec = new AliESDCaloCluster() ;
+
+ // fills the ESDCaloCluster
+ Float_t xyz[3];
for (Int_t ixyz=0; ixyz<3; ixyz++)
xyz[ixyz] = rp->GetPos()[ixyz];
- et->SetPHOSposition(xyz) ;
- et->SetPHOSsignal (rp->Energy()) ;
- et->SetPHOSpid (rp->GetPID()) ;
+
+ AliDebug(2,Form("Global position xyz=(%f,%f,%f)",xyz[0],xyz[1],xyz[2]));
+
+ Int_t digitMult = emcRP->GetDigitsMultiplicity();
+ Int_t *digitsList = emcRP->GetDigitsList();
+ UShort_t *amplList = new UShort_t[digitMult];
+ UShort_t *timeList = new UShort_t[digitMult];
+ UShort_t *digiList = new UShort_t[digitMult];
+
+ // Convert Float_t* and Int_t* to UShort_t* to save memory
+ for (Int_t iDigit=0; iDigit<digitMult; iDigit++) {
+ AliPHOSDigit *digit = gime->Digit(digitsList[iDigit]);
+ amplList[iDigit] = (UShort_t)(digit->GetEnergy()*500); // Energy in units of GeV/500
+ timeList[iDigit] = (UShort_t)(digit->GetTime()*1e9*100); // time in units of 0.01 ns
+ digiList[iDigit] = (UShort_t)(digit->GetId());
+ }
+
+ ec->SetPHOS(kTRUE);
+ ec->SetGlobalPosition(xyz); //rec.point position in MARS
+ ec->SetClusterEnergy(rp->Energy()); //total particle energy
+ ec->SetClusterDisp(emcRP->GetDispersion()); //cluster dispersion
+ ec->SetPid (rp->GetPID()) ; //array of particle identification
+ ec->SetPrimaryIndex (rp->GetPrimaryIndex());//index of primary particle (for simulations)
+ ec->SetM02(emcRP->GetM2x()) ; //second moment M2x
+ ec->SetM20(emcRP->GetM2z()) ; //second moment M2z
+ ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima
+ ec->SetNumberOfDigits(digitMult); //digit multiplicity
+ ec->SetDigitAmplitude(amplList); //energies in 1/500 of GeV
+ ec->SetDigitTime(timeList); //times in 1/100 on ns
+ ec->SetDigitIndex(digiList); //abs id of the cell
+ ec->SetEmcCpvDistance(-1); //not yet implemented
+ ec->SetClusterChi2(-1); //not yet implemented
+ ec->SetM11(-1) ; //not yet implemented
+
// add the track to the esd object
- esd->AddTrack(et);
- delete et;
+ esd->AddCaloCluster(ec);
+ delete ec;
+ }
+}
+
+//____________________________________________________________________________
+void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader,
+ AliRawReader* rawReader, AliESD* esd) const
+{
+ //This function creates AliESDtracks from AliPHOSRecParticles
+ //and writes them to the ESD in the case of raw data reconstruction.
+
+ Int_t eventNumber = runLoader->GetEventNumber() ;
+
+ AliPHOSGetter *gime = AliPHOSGetter::Instance();
+ gime->Event(eventNumber, "DRTP") ;
+
+ TClonesArray *recParticles = gime->RecParticles();
+ Int_t nOfRecParticles = recParticles->GetEntries();
+
+ esd->SetNumberOfPHOSClusters(nOfRecParticles) ;
+ esd->SetFirstPHOSCluster(esd->GetNumberOfCaloClusters()) ;
+
+ AliDebug(2,Form("%d digits and %d rec. particles in event %d, option %s",gime->Digits()->GetEntries(),nOfRecParticles,eventNumber,GetOption()));
+
+ for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
+ AliPHOSRecParticle * rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart));
+
+ if(rp) {
+ Float_t xyz[3];
+ for (Int_t ixyz=0; ixyz<3; ixyz++)
+ xyz[ixyz] = rp->GetPos()[ixyz];
+
+ AliDebug(2,Form("Global position xyz=(%f,%f,%f)",xyz[0],xyz[1],xyz[2]));
+
+ AliPHOSTrackSegment *ts = gime->TrackSegment(rp->GetPHOSTSIndex());
+ AliPHOSEmcRecPoint *emcRP = gime->EmcRecPoint(ts->GetEmcIndex());
+ AliESDCaloCluster *ec = new AliESDCaloCluster() ;
+
+ Int_t digitMult = emcRP->GetDigitsMultiplicity();
+ Int_t *digitsList = emcRP->GetDigitsList();
+ UShort_t *amplList = new UShort_t[digitMult];
+ UShort_t *digiList = new UShort_t[digitMult];
+
+ // Convert Float_t* and Int_t* to UShort_t* to save memory
+ for (Int_t iDigit=0; iDigit<digitMult; iDigit++) {
+ AliPHOSDigit *digit = gime->Digit(digitsList[iDigit]);
+ if(!digit) {
+ AliFatal(Form("Digit not found at the expected position %d!",iDigit));
+ }
+ else {
+ amplList[iDigit] = (UShort_t)digit->GetEnergy();
+ digiList[iDigit] = (UShort_t)(digit->GetId());
+ }
+ }
+
+ ec->SetPHOS(kTRUE);
+ ec->SetGlobalPosition(xyz); //rec.point position in MARS
+ ec->SetClusterEnergy(rp->Energy()); //total particle energy
+ ec->SetClusterDisp(emcRP->GetDispersion()); //cluster dispersion
+ ec->SetPid (rp->GetPID()) ; //array of particle identification
+ ec->SetM02(emcRP->GetM2x()) ; //second moment M2x
+ ec->SetM20(emcRP->GetM2z()) ; //second moment M2z
+ ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima
+ ec->SetNumberOfDigits(digitMult); //digit multiplicity
+ ec->SetDigitAmplitude(amplList); //digit energies
+ ec->SetDigitIndex(digiList); //abs id of the cell
+ ec->SetEmcCpvDistance(-1); //not yet implemented
+ ec->SetClusterChi2(-1); //not yet implemented
+ ec->SetM11(-1) ; //not yet implemented
+
+ // add the track to the esd object
+ esd->AddCaloCluster(ec);
+ delete ec;
+
+ }
}
+
+
}
AliTracker* AliPHOSReconstructor::CreateTracker(AliRunLoader* runLoader) const