/* $Id$ */
//_________________________________________________________________________
-//*--
-//*-- Yves Schutz (SUBATECH)
+//--
+//-- Yves Schutz (SUBATECH)
// Reconstruction class. Redesigned from the old AliReconstructionner class and
// derived from STEER/AliReconstructor.
//
// --- Standard library ---
// --- AliRoot header files ---
-#include "AliESD.h"
#include "AliEMCALReconstructor.h"
+
+#include "AliCodeTimer.h"
+#include "AliESDEvent.h"
+#include "AliESDCaloCluster.h"
+#include "AliESDCaloCells.h"
+#include "AliESDtrack.h"
+#include "AliEMCALLoader.h"
+#include "AliEMCALRawUtils.h"
+#include "AliEMCALDigit.h"
#include "AliEMCALClusterizerv1.h"
-#include "AliEMCALPIDv1.h"
-#include "AliEMCALGetter.h"
+#include "AliEMCALRecPoint.h"
+#include "AliEMCALPID.h"
+#include "AliEMCALTrigger.h"
+#include "AliRawReader.h"
+#include "AliCDBEntry.h"
+#include "AliCDBManager.h"
+#include "AliEMCALRecParam.h"
+// to be removed - it is here just because of geom
+#include "AliRun.h"
+#include "AliRunLoader.h"
ClassImp(AliEMCALReconstructor)
+AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters
+
//____________________________________________________________________________
- AliEMCALReconstructor::AliEMCALReconstructor() : fDebug(kFALSE)
+AliEMCALReconstructor::AliEMCALReconstructor()
+ : fDebug(kFALSE)
{
// ctor
}
+//____________________________________________________________________________
+AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec)
+ : AliReconstructor(rec),
+ fDebug(rec.fDebug)
+{
+ //copy ctor
+}
//____________________________________________________________________________
AliEMCALReconstructor::~AliEMCALReconstructor()
{
// dtor
+
+ AliCodeTimer::Instance()->Print();
}
//____________________________________________________________________________
-void AliEMCALReconstructor::Reconstruct(AliRunLoader* runLoader) const
+void AliEMCALReconstructor::InitRecParam() const
+{
+ // Check if the instance of AliEMCALRecParam exists,
+ // if not, get it from OCDB if available, otherwise create a default one
+
+ if (!fgkRecParam && (AliCDBManager::Instance()->IsDefaultStorageSet())) {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Config/RecParam");
+ if (entry) fgkRecParam = (AliEMCALRecParam*) entry->GetObject();
+ }
+
+ if(!fgkRecParam){
+ AliWarning("The Reconstruction parameters for EMCAL nonitialized - Used default one");
+ fgkRecParam = new AliEMCALRecParam;
+ }
+}
+
+//____________________________________________________________________________
+void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) 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.
-
- TString headerFile(runLoader->GetFileName()) ;
- TString branchName(runLoader->GetEventFolder()->GetName() ) ;
+ // Works on the current event.
+
+ AliCodeTimerAuto("")
+
+ InitRecParam();
+ AliEMCALClusterizerv1 clu;
+ clu.SetInput(digitsTree);
+ clu.SetOutput(clustersTree);
+ if(Debug())
+ clu.Digits2Clusters("deb all") ;
+ else
+ clu.Digits2Clusters("") ;
- AliEMCALClusterizerv1 clu(headerFile, branchName);
- clu.SetEventRange(0, -1) ; // do all the events
- if ( Debug() )
- clu.ExecuteTask("deb all") ;
- else
- clu.ExecuteTask("") ;
-
- AliEMCALGetter::Instance()->EmcalLoader()->CleanReconstructioner();
}
//____________________________________________________________________________
-void AliEMCALReconstructor::FillESD(AliRunLoader* runLoader, AliESD* esd) const
+void AliEMCALReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const
+
{
- // Called by AliReconstruct after Reconstruct() and global tracking and vertxing
- //Creates the tracksegments and Recparticles
+ // Conversion from raw data to
+ // EMCAL digits.
+ // Works on a single-event basis
+
+
+ AliCodeTimerAuto("")
+
+ rawReader->Reset() ;
+
+ TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",100);
+ Int_t bufsize = 32000;
+ digitsTree->Branch("EMCAL", &digitsArr, bufsize);
+
+ //Get Mapping RCU files from the AliEMCALRecParam
+ const TObjArray* maps = AliEMCALRecParam::GetMappings();
+ if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!");
+
+ AliAltroMapping * mapping[2] ; // For the moment only 2
+ for(Int_t i = 0; i < 2; i++) {
+ mapping[i] = (AliAltroMapping*)maps->At(i);
+ }
+
+ static AliEMCALRawUtils rawUtils;
+ rawUtils.SetOption(GetOption());
+ rawUtils.Raw2Digits(rawReader,digitsArr,mapping);
+
+ digitsTree->Fill();
+ digitsArr->Delete();
+ delete digitsArr;
+
+}
+
+//____________________________________________________________________________
+void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree,
+ AliESDEvent* esd) const
+{
+ // Called by AliReconstruct after Reconstruct() and global tracking and vertexing
+ // Works on the current event
+ // Creates AliESDCaloCluster from AliEMCALRecPoints
+ // and AliESDCaloCells from AliEMCALDigits
+ // Also, fills ESD with calorimeter trigger information
+
+ //######################################################
+ //#########Calculate trigger and set trigger info###########
+ //######################################################
+
+ AliCodeTimerStart(Form("JLK trigger info"));
+ AliEMCALTrigger tr ;
+ // tr.SetPatchSize(1);//create 4x4 patches
+ tr.Trigger();
- Int_t eventNumber = runLoader->GetEventNumber() ;
+ Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude();
+ Float_t maxAmpnxn = tr.GetnxnMaxAmplitude();
+ Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ;
+ Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ;
- TString headerFile(runLoader->GetFileName()) ;
- TString branchName(runLoader->GetEventFolder()->GetName()) ;
+ AliEMCALGeometry * geom = 0;
+ AliRunLoader *runLoader = AliRunLoader::GetRunLoader();
+ if (runLoader->GetAliRun() && runLoader->GetAliRun()->GetDetector("EMCAL"))
+ geom = dynamic_cast<AliEMCAL*>(runLoader->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
+ if (geom == 0)
+ geom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName());
- AliEMCALPIDv1 pid(headerFile, branchName);
+ Int_t iSM2x2 = tr.Get2x2SuperModule();
+ Int_t iSMnxn = tr.GetnxnSuperModule();
+ Int_t iCellPhi2x2 = tr.Get2x2CellPhi();
+ Int_t iCellPhinxn = tr.GetnxnCellPhi();
+ Int_t iCellEta2x2 = tr.Get2x2CellEta();
+ Int_t iCellEtanxn = tr.GetnxnCellEta();
+ AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCellPhi2x2, iCellEta2x2));
+ AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCellPhinxn, iCellEtanxn));
- // do current event; the loop over events is done by AliReconstruction::Run()
- pid.SetEventRange(eventNumber, eventNumber) ;
- if ( Debug() )
- pid.ExecuteTask("deb all") ;
- else
- pid.ExecuteTask("") ;
-
- // Creates AliESDtrack from AliEMCALRecParticles
- AliEMCALGetter::Instance()->Event(eventNumber, "P") ;
- TClonesArray *recParticles = AliEMCALGetter::Instance()->RecParticles();
- Int_t nOfRecParticles = recParticles->GetEntries();
- esd->SetNumberOfEMCALParticles(nOfRecParticles) ;
- esd->SetFirstEMCALParticle(esd->GetNumberOfTracks()) ;
- for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) {
- AliEMCALRecParticle * rp = dynamic_cast<AliEMCALRecParticle*>(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->SetEMCALposition(xyz) ;
- et->SetEMCALsignal (rp->Energy()) ;
- et->SetEMCALpid (rp->GetPID()) ;
- // add the track to the esd object
- esd->AddTrack(et);
- delete et;
+ TVector3 pos2x2(-1,-1,-1);
+ TVector3 posnxn(-1,-1,-1);
+
+ Int_t iAbsId2x2 = geom->GetAbsCellIdFromCellIndexes( iSM2x2, iCellPhi2x2, iCellEta2x2) ;
+ Int_t iAbsIdnxn = geom->GetAbsCellIdFromCellIndexes( iSMnxn, iCellPhinxn, iCellEtanxn) ;
+ geom->GetGlobal(iAbsId2x2, pos2x2);
+ geom->GetGlobal(iAbsIdnxn, posnxn);
+
+ TArrayF triggerPosition(6);
+ triggerPosition[0] = pos2x2(0) ;
+ triggerPosition[1] = pos2x2(1) ;
+ triggerPosition[2] = pos2x2(2) ;
+ triggerPosition[3] = posnxn(0) ;
+ triggerPosition[4] = posnxn(1) ;
+ triggerPosition[5] = posnxn(2) ;
+
+ TArrayF triggerAmplitudes(4);
+ triggerAmplitudes[0] = maxAmp2x2 ;
+ triggerAmplitudes[1] = ampOutOfPatch2x2 ;
+ triggerAmplitudes[2] = maxAmpnxn ;
+ triggerAmplitudes[3] = ampOutOfPatchnxn ;
+
+ esd->AddEMCALTriggerPosition(triggerPosition);
+ esd->AddEMCALTriggerAmplitudes(triggerAmplitudes);
+
+ AliCodeTimerStop(Form("JLK trigger info"));
+
+ //########################################
+ //##############Fill CaloCells###############
+ //########################################
+
+ AliCodeTimerStart(Form("JLK fill calocells"));
+
+ TClonesArray *digits = new TClonesArray("AliEMCALDigit",1000);
+ TBranch *branchdig = digitsTree->GetBranch("EMCAL");
+ if (!branchdig) {
+ AliError("can't get the branch with the PHOS digits !");
+ return;
+ }
+ branchdig->SetAddress(&digits);
+ digitsTree->GetEvent(0);
+ Int_t nDigits = digits->GetEntries(), idignew = 0 ;
+ AliDebug(1,Form("%d digits",nDigits));
+
+ AliESDCaloCells &emcCells = *(esd->GetEMCALCells());
+ emcCells.CreateContainer(nDigits);
+ emcCells.SetType(AliESDCaloCells::kEMCALCell);
+ for (Int_t idig = 0 ; idig < nDigits ; idig++) {
+ const AliEMCALDigit * dig = (const AliEMCALDigit*)digits->At(idig);
+ if(dig->GetAmp() > 0 ){
+ emcCells.SetCell(idignew,dig->GetId(),dig->GetAmp(), dig->GetTime());
+ idignew++;
+ }
}
+ emcCells.SetNumberOfCells(idignew);
+ emcCells.Sort();
+
+ AliCodeTimerStop(Form("JLK fill calocells"));
+
+ //------------------------------------------------------------
+ //-----------------CLUSTERS-----------------------------
+ //------------------------------------------------------------
+ TObjArray *clusters = new TObjArray(100);
+ TBranch *branch = clustersTree->GetBranch("EMCALECARP");
+ branch->SetAddress(&clusters);
+ clustersTree->GetEvent(0);
+
+ Int_t nClusters = clusters->GetEntries(), nClustersNew=0;
+ AliDebug(1,Form("%d clusters",nClusters));
+ esd->SetFirstEMCALCluster(esd->GetNumberOfCaloClusters()); // Put after Phos clusters
+
+ //######################################################
+ //#######################TRACK MATCHING###############
+ //######################################################
+ //Fill list of integers, each one is index of track to which the cluster belongs.
+
+ AliCodeTimerStart(Form("JLK track matching"));
+
+ // step 1 - initialize array of matched track indexes
+ Int_t *matchedTrack = new Int_t[nClusters];
+ for (Int_t iclus = 0; iclus < nClusters; iclus++)
+ matchedTrack[iclus] = -1; // neg. index --> no matched track
+
+ // step 2, change the flag for all matched clusters found in tracks
+ Int_t iemcalMatch = -1;
+ Int_t endtpc = esd->GetNumberOfTracks();
+ for (Int_t itrack = 0; itrack < endtpc; itrack++) {
+ AliESDtrack * track = esd->GetTrack(itrack) ; // retrieve track
+ iemcalMatch = track->GetEMCALcluster();
+ if(iemcalMatch >= 0) matchedTrack[iemcalMatch] = itrack;
+ }
+
+ AliCodeTimerStop(Form("JLK track matching"));
+
+ //########################################
+ //##############Fill CaloClusters############
+ //########################################
+
+ AliCodeTimerStart(Form("JLK fill caloclusters"));
+
+ esd->SetNumberOfEMCALClusters(nClusters);
+ for (Int_t iClust = 0 ; iClust < nClusters ; iClust++) {
+ const AliEMCALRecPoint * clust = (const AliEMCALRecPoint*)clusters->At(iClust);
+ //if(clust->GetClusterType()== AliESDCaloCluster::kEMCALClusterv1) nRP++; else nPC++;
+ if (Debug()) clust->Print();
+ // Get information from EMCAL reconstruction points
+ Float_t xyz[3];
+ TVector3 gpos;
+ clust->GetGlobalPosition(gpos);
+ for (Int_t ixyz=0; ixyz<3; ixyz++)
+ xyz[ixyz] = gpos[ixyz];
+ Float_t elipAxis[2];
+ clust->GetElipsAxis(elipAxis);
+
+ //Create digits lists
+ Int_t cellMult = clust->GetMultiplicity();
+ //TArrayS digiList(digitMult);
+ Float_t *amplFloat = clust->GetEnergiesList();
+ Int_t *digitInts = clust->GetAbsId();
+ TArrayS absIdList(cellMult);
+ //Uncomment when unfolding is done
+ //TArrayD fracList(cellMult);
+
+ Int_t newCellMult = 0;
+ for (Int_t iCell=0; iCell<cellMult; iCell++) {
+ if (amplFloat[iCell] > 0) {
+ absIdList[newCellMult] = (UShort_t)(digitInts[iCell]);
+ //Uncomment when unfolding is done
+ //fracList[newCellMult] = amplFloat[iCell]/emcCells.GetCellAmplitude(digitInts[iCell]);
+ newCellMult++;
+ }
+ }
+ absIdList.Set(newCellMult);
+ //Uncomment when unfolding is done
+ //fracList.Set(newCellMult);
+
+ if(newCellMult > 0) { // accept cluster if it has some digit
+ nClustersNew++;
+ //Primaries
+ Int_t parentMult = 0;
+ Int_t *parentList = clust->GetParents(parentMult);
+
+ // fills the ESDCaloCluster
+ AliESDCaloCluster * ec = new AliESDCaloCluster() ;
+ ec->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
+ ec->SetPosition(xyz);
+ ec->SetE(clust->GetEnergy());
+ ec->SetNCells(newCellMult);
+ //Change type of list from short to ushort
+ UShort_t *newAbsIdList = new UShort_t[newCellMult];
+ //Uncomment when unfolding is done
+ //Double_t *newFracList = new Double_t[newCellMult];
+ for(Int_t i = 0; i < newCellMult ; i++) {
+ newAbsIdList[i]=absIdList[i];
+ //Uncomment when unfolding is done
+ //newFracList[i]=fracList[i];
+ }
+ ec->SetCellsAbsId(newAbsIdList);
+ //Uncomment when unfolding is done
+ //ec->SetCellsAmplitudeFraction(newFracList);
+
+ ec->SetClusterDisp(clust->GetDispersion());
+ ec->SetClusterChi2(-1); //not yet implemented
+ ec->SetM02(elipAxis[0]*elipAxis[0]) ;
+ ec->SetM20(elipAxis[1]*elipAxis[1]) ;
+ ec->SetM11(-1) ; //not yet implemented
+
+ TArrayI arrayTrackMatched(1);// Only one track, temporal solution.
+ arrayTrackMatched[0]= matchedTrack[iClust];
+ ec->AddTracksMatched(arrayTrackMatched);
+
+ TArrayI arrayParents(parentMult,parentList);
+ ec->AddLabels(arrayParents);
+
+
+ // add the cluster to the esd object
+ esd->AddCaloCluster(ec);
+ delete ec;
+ //delete [] newAbsIdList ;
+ //delete [] newFracList ;
+ }
+ } // cycle on clusters
+
+ delete [] matchedTrack;
+
+ esd->SetNumberOfEMCALClusters(nClustersNew);
+ //if(nClustersNew != nClusters)
+ //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew );
+
+ //Fill ESDCaloCluster with PID weights
+ AliEMCALPID *pid = new AliEMCALPID;
+ //pid->SetPrintInfo(kTRUE);
+ pid->SetReconstructor(kTRUE);
+ pid->RunPID(esd);
+ delete pid;
+
+ AliCodeTimerStop(Form("JLK fill caloclusters"));
+
}
+
+
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