#include "AliPHOSTrackSegmentMakerv1.h"
#include "AliPHOSPIDv1.h"
#include "AliPHOSGetter.h"
+#include "AliPHOSTracker.h"
+#include "AliRawReader.h"
-
+
ClassImp(AliPHOSReconstructor)
+Bool_t AliPHOSReconstructor::fgDebug = kFALSE ;
+
//____________________________________________________________________________
- AliPHOSReconstructor::AliPHOSReconstructor() : fDebug(kFALSE)
+ AliPHOSReconstructor::AliPHOSReconstructor()
{
// ctor
+
}
+//____________________________________________________________________________
+ AliPHOSReconstructor::~AliPHOSReconstructor()
+{
+ // dtor
+
+}
//____________________________________________________________________________
-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
// the global tracking.
TString headerFile(runLoader->GetFileName()) ;
- TString branchName("Default") ;
+ TString branchName(runLoader->GetEventFolder()->GetName()) ;
AliPHOSClusterizerv1 clu(headerFile, branchName);
clu.SetEventRange(0, -1) ; // do all the events
clu.ExecuteTask("deb all") ;
else
clu.ExecuteTask("") ;
+
}
//____________________________________________________________________________
-void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
+void AliPHOSReconstructor::Reconstruct(AliRunLoader* runLoader, AliRawReader* rawreader) const
{
- // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
- //Creates the tracksegments and Recparticles
-
+ // 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("Default") ;
-
- AliPHOSTrackSegmentMakerv1 tsMaker(headerFile, branchName);
- AliPHOSPIDv1 pID(headerFile, branchName);
-
- AliPHOSGetter *gime = AliPHOSGetter::Instance( (runLoader->GetFileName()).Data() ) ;
- Int_t eventNumber = gime->EventNumber();
- // do current event; the loop over events is done by AliReconstruction::Run()
- tsMaker.SetEventRange(eventNumber, eventNumber) ;
- pID.SetEventRange(eventNumber, eventNumber) ;
- if ( Debug() ) {
- tsMaker.ExecuteTask("deb all") ;
- pID.ExecuteTask("deb all") ;
- }
- else {
- tsMaker.ExecuteTask("") ;
- pID.ExecuteTask("") ;
- }
+ TString branchName(runLoader->GetEventFolder()->GetName()) ;
- // Creates AliESDtrack from AliPHOSRecParticles
- gime->Event(eventNumber, "P") ;
- TClonesArray *recParticles = gime->RecParticles();
+ 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("") ;
+
+}
+
+//____________________________________________________________________________
+void AliPHOSReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
+{
+ // This function creates AliESDtracks from AliPHOSRecParticles
+ // and
+ // writes them to the ESD
+
+ 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()) ;
+
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];
- for (Int_t ixyz=0; ixyz<3; ixyz++) xyz[ixyz] = rp->GetPos()[ixyz];
- et->SetPHOSposition(xyz) ;
- et->SetPHOSsignal (rp->Energy()) ;
- et->SetPHOSpid (rp->GetPID()) ;
+ // 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];
+
+ 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->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;
}
}
+
+AliTracker* AliPHOSReconstructor::CreateTracker(AliRunLoader* runLoader) const
+{
+// creates the PHOS tracker
+ if (!runLoader) return NULL;
+ return new AliPHOSTracker(runLoader);
+}
+