// Reconstruction class. Redesigned from the old AliReconstructionner class and
// derived from STEER/AliReconstructor.
//
+//-- Aleksei Pavlinov : added staf for EMCAL jet trigger 9Apr 25, 2008)
+// : fgDigitsArr should read just once at event
+
// --- ROOT system ---
+#include <TList.h>
+#include <TClonesArray.h>
+#include <TH2.h>
+#include "TGeoManager.h"
+#include "TGeoMatrix.h"
// --- Standard library ---
#include "AliRawReader.h"
#include "AliCDBEntry.h"
#include "AliCDBManager.h"
-#include "AliEMCALRecParam.h"
#include "AliEMCALGeometry.h"
-
+#include "AliEMCAL.h"
+#include "AliESDVZERO.h"
+#include "AliCDBManager.h"
#include "AliRunLoader.h"
#include "AliRun.h"
+#include "AliEMCALTriggerData.h"
+#include "AliEMCALTriggerElectronics.h"
+#include "AliEMCALTriggerDCSConfigDB.h"
+#include "AliEMCALTriggerDCSConfig.h"
-ClassImp(AliEMCALReconstructor)
+ClassImp(AliEMCALReconstructor)
-AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters
+const AliEMCALRecParam* AliEMCALReconstructor::fgkRecParam = 0; // EMCAL rec. parameters
AliEMCALRawUtils* AliEMCALReconstructor::fgRawUtils = 0; // EMCAL raw utilities class
+AliEMCALClusterizer* AliEMCALReconstructor::fgClusterizer = 0; // EMCAL clusterizer class
+TClonesArray* AliEMCALReconstructor::fgDigitsArr = 0; // shoud read just once at event
+AliEMCALTriggerElectronics* AliEMCALReconstructor::fgTriggerProcessor = 0x0;
//____________________________________________________________________________
AliEMCALReconstructor::AliEMCALReconstructor()
- : fDebug(kFALSE),fGeom(0)
+ : fDebug(kFALSE), fList(0), fGeom(0),fCalibData(0),fPedestalData(0)
{
// ctor
- InitRecParam();
fgRawUtils = new AliEMCALRawUtils;
//To make sure we match with the geometry in a simulation file,
//let's try to get it first. If not, take the default geometry
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ AliRunLoader *rl = AliRunLoader::Instance();
if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL")) {
fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
} else {
AliInfo(Form("Using default geometry in reconstruction"));
- fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName());
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
}
+ //Get calibration parameters
+ if(!fCalibData)
+ {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
+ if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
+ }
+
+ if(!fCalibData)
+ AliFatal("Calibration parameters not found in CDB!");
+
+ //Get calibration parameters
+ if(!fPedestalData)
+ {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
+ if (entry) fPedestalData = (AliCaloCalibPedestal*) entry->GetObject();
+ }
+
+ if(!fPedestalData)
+ AliFatal("Dead map not found in CDB!");
+
+
+ //Init the clusterizer with geometry and calibration pointers, avoid doing it twice.
+ fgClusterizer = new AliEMCALClusterizerv1(fGeom, fCalibData,fPedestalData);
+
if(!fGeom) AliFatal(Form("Could not get geometry!"));
-}
+ AliEMCALTriggerDCSConfigDB* dcsConfigDB = AliEMCALTriggerDCSConfigDB::Instance();
-//____________________________________________________________________________
-AliEMCALReconstructor::AliEMCALReconstructor(const AliEMCALReconstructor & rec)
- : AliReconstructor(rec),
- fDebug(rec.fDebug),
- fGeom(rec.fGeom)
-{
- //copy ctor
-}
+ const AliEMCALTriggerDCSConfig* dcsConfig = dcsConfigDB->GetTriggerDCSConfig();
+
+ if (!dcsConfig) AliFatal("No Trigger DCS Configuration from OCDB!");
+ fgTriggerProcessor = new AliEMCALTriggerElectronics( dcsConfig );
+}
//____________________________________________________________________________
AliEMCALReconstructor::~AliEMCALReconstructor()
{
// dtor
delete fGeom;
+ delete fgRawUtils;
+ delete fgClusterizer;
+ delete fgTriggerProcessor;
+
AliCodeTimer::Instance()->Print();
}
-//____________________________________________________________________________
-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::Init()
+// {
+// // Trigger hists - Oct 24, 2007
+// fList = AliEMCALHistoUtilities::GetTriggersListOfHists(kTRUE);
+// }
//____________________________________________________________________________
void AliEMCALReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const
// the global tracking.
// Works on the current event.
- AliCodeTimerAuto("")
+ AliCodeTimerAuto("",0)
+
+ ReadDigitsArrayFromTree(digitsTree);
+ fgClusterizer->InitParameters();
+ fgClusterizer->SetOutput(clustersTree);
+
+ AliEMCALTriggerData* trgData = new AliEMCALTriggerData();
+
+ Int_t bufferSize = 32000;
+
+ if (TBranch* triggerBranch = clustersTree->GetBranch("EMTRG"))
+ triggerBranch->SetAddress(&trgData);
+ else
+ clustersTree->Branch("EMTRG","AliEMCALTriggerData",&trgData,bufferSize);
+
+ TClonesArray *trgDigits = new TClonesArray("AliEMCALRawDigit",1000);
+ TBranch *branchdig = digitsTree->GetBranch("EMTRG");
+ if (!branchdig)
+ {
+ AliError("Can't get the branch with the EMCAL trigger digits !");
+ return;
+ }
+
+ branchdig->SetAddress(&trgDigits);
+ branchdig->GetEntry(0);
+
+ //Skip clusterization of LED events
+ if (GetRecParam()->GetEventSpecie()!=AliRecoParam::kCalib){
+
+ Int_t v0M[2] = {0,0};
+ fgTriggerProcessor->Digits2Trigger(trgDigits, v0M, trgData);
+
+
+ if(fgDigitsArr && fgDigitsArr->GetEntries()) {
+
+ fgClusterizer->SetInput(digitsTree);
+
+ if(Debug())
+ fgClusterizer->Digits2Clusters("deb all") ;
+ else
+ fgClusterizer->Digits2Clusters("");
+
+ fgClusterizer->Clear();
+
+ }//digits array exists and has somethind
+ }//not a LED event
+
+ clustersTree->Fill();
+ trgDigits->Delete();
+ delete trgDigits; trgDigits = 0x0;
+ delete trgData; trgData = 0x0;
- AliEMCALClusterizerv1 clu;
- clu.SetInput(digitsTree);
- clu.SetOutput(clustersTree);
- if(Debug())
- clu.Digits2Clusters("deb all") ;
- else
- clu.Digits2Clusters("") ;
-
}
//____________________________________________________________________________
rawReader->Reset() ;
- TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",100);
+ TClonesArray *digitsArr = new TClonesArray("AliEMCALDigit",200);
+ TClonesArray *digitsTrg = new TClonesArray("AliEMCALRawDigit", 200);
+
Int_t bufsize = 32000;
digitsTree->Branch("EMCAL", &digitsArr, bufsize);
-
- //must be done here because, in constructor, option is not yet known
- fgRawUtils->SetOption(GetOption());
-
- fgRawUtils->SetRawFormatHighLowGainFactor(fgkRecParam->GetHighLowGainFactor());
- fgRawUtils->SetRawFormatOrder(fgkRecParam->GetOrderParameter());
- fgRawUtils->SetRawFormatTau(fgkRecParam->GetTau());
- fgRawUtils->SetNoiseThreshold(fgkRecParam->GetNoiseThreshold());
- fgRawUtils->SetNPedSamples(fgkRecParam->GetNPedSamples());
-
- fgRawUtils->Raw2Digits(rawReader,digitsArr);
-
+ digitsTree->Branch("EMTRG", &digitsTrg, bufsize);
+
+ //Skip calibration events do the rest
+ Bool_t doFit = kTRUE;
+ if ( !(GetRecParam()->FitLEDEvents()) && GetRecParam()->GetEventSpecie()==AliRecoParam::kCalib) doFit = kFALSE;
+ if (doFit){
+ //must be done here because, in constructor, option is not yet known
+ fgRawUtils->SetOption(GetOption());
+
+ fgRawUtils->SetRawFormatHighLowGainFactor(GetRecParam()->GetHighLowGainFactor());
+ fgRawUtils->SetRawFormatOrder(GetRecParam()->GetOrderParameter());
+ fgRawUtils->SetRawFormatTau(GetRecParam()->GetTau());
+ fgRawUtils->SetNoiseThreshold(GetRecParam()->GetNoiseThreshold());
+ fgRawUtils->SetNPedSamples(GetRecParam()->GetNPedSamples());
+ fgRawUtils->SetRemoveBadChannels(GetRecParam()->GetRemoveBadChannels());
+ fgRawUtils->SetFittingAlgorithm(GetRecParam()->GetFittingAlgorithm());
+ fgRawUtils->SetFALTROUsage(GetRecParam()->UseFALTRO());
+ fgRawUtils->SetTimeMin(GetRecParam()->GetTimeMin());
+ fgRawUtils->SetTimeMax(GetRecParam()->GetTimeMax());
+
+ fgRawUtils->Raw2Digits(rawReader,digitsArr,fPedestalData,digitsTrg);
+ }//skip calibration event
+ else{
+ AliDebug(1," Calibration Event, skip!");
+ }
+
digitsTree->Fill();
digitsArr->Delete();
+ digitsTrg->Delete();
delete digitsArr;
+ delete digitsTrg;
}
+
//____________________________________________________________________________
void AliEMCALReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree,
AliESDEvent* esd) const
{
// Called by AliReconstruct after Reconstruct() and global tracking and vertexing
+ // and V0
// 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###########
- //######################################################
-
- AliEMCALTrigger tr ;
- // tr.SetPatchSize(1);//create 4x4 patches
- tr.Trigger();
-
- Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude();
- Float_t maxAmpnxn = tr.GetnxnMaxAmplitude();
- Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ;
- Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ;
-
- 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));
-
- TVector3 pos2x2(-1,-1,-1);
- TVector3 posnxn(-1,-1,-1);
-
- Int_t iAbsId2x2 = fGeom->GetAbsCellIdFromCellIndexes( iSM2x2, iCellPhi2x2, iCellEta2x2) ;
- Int_t iAbsIdnxn = fGeom->GetAbsCellIdFromCellIndexes( iSMnxn, iCellPhinxn, iCellEtanxn) ;
- fGeom->GetGlobal(iAbsId2x2, pos2x2);
- fGeom->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);
+ // printf(" ## AliEMCALReconstructor::FillESD() is started ### \n ");
+ //return;
//########################################
//##############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 !");
+ AliError("can't get the branch with the EMCAL digits !");
return;
}
branchdig->SetAddress(&digits);
AliESDCaloCells &emcCells = *(esd->GetEMCALCells());
emcCells.CreateContainer(nDigits);
emcCells.SetType(AliESDCaloCells::kEMCALCell);
+ Float_t energy = 0;
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++;
+ if(dig->GetAmplitude() > 0 ){
+ energy = (static_cast<AliEMCALClusterizerv1*> (fgClusterizer))->Calibrate(dig->GetAmplitude(),dig->GetTime(),dig->GetId()); //TimeR or Time?
+ if(energy > 0){ //Digits tagged as bad (dead, hot, not alive) are set to 0 in calibrate, remove them
+ emcCells.SetCell(idignew,dig->GetId(),energy, dig->GetTime());
+ idignew++;
+ }
}
}
emcCells.SetNumberOfCells(idignew);
//------------------------------------------------------------
//-----------------CLUSTERS-----------------------------
//------------------------------------------------------------
+ clustersTree->SetBranchStatus("*",0); //disable all branches
+ clustersTree->SetBranchStatus("EMCALECARP",1); //Enable only the branch we need
+
TObjArray *clusters = new TObjArray(100);
TBranch *branch = clustersTree->GetBranch("EMCALECARP");
branch->SetAddress(&clusters);
- clustersTree->GetEvent(0);
+ branch->GetEntry(0);
+ //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###############
iemcalMatch = track->GetEMCALcluster();
if(iemcalMatch >= 0) matchedTrack[iemcalMatch] = itrack;
}
-
+
//########################################
- //##############Fill CaloClusters############
+ //##############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++;
Float_t xyz[3];
TVector3 gpos;
clust->GetGlobalPosition(gpos);
- for (Int_t ixyz=0; ixyz<3; ixyz++)
+ for (Int_t ixyz=0; ixyz<3; ixyz++)
xyz[ixyz] = gpos[ixyz];
Float_t elipAxis[2];
clust->GetElipsAxis(elipAxis);
-
- //Create digits lists
+ //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);
+ TArrayD fracList(cellMult);
- Int_t newCellMult = 0;
+ 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[newCellMult] = (UShort_t)(digitInts[iCell]);
+ //Uncomment when unfolding is done
+ //if(emcCells.GetCellAmplitude(digitInts[iCell])>0)
+ //fracList[newCellMult] = amplFloat[iCell]/(emcCells.GetCellAmplitude(digitInts[iCell])*calibration);//get cell calibration value
+ //else
+ fracList[newCellMult] = 0;
+ newCellMult++;
}
}
+
absIdList.Set(newCellMult);
- //Uncomment when unfolding is done
- //fracList.Set(newCellMult);
-
+ 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() ;
+ AliESDCaloCluster * ec = new AliESDCaloCluster() ;
ec->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
ec->SetPosition(xyz);
ec->SetE(clust->GetEnergy());
+
+ //Distance to the nearest bad crystal
+ ec->SetDistanceToBadChannel(clust->GetDistanceToBadTower());
+
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];
+ 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];
+ newAbsIdList[i]=absIdList[i];
+ newFracList[i]=fracList[i];
}
ec->SetCellsAbsId(newAbsIdList);
- //Uncomment when unfolding is done
- //ec->SetCellsAmplitudeFraction(newFracList);
-
+ 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->SetTOF(clust->GetTime()) ; //time-of-fligh
+ ec->SetNExMax(clust->GetNExMax()); //number of local maxima
+ 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;
+ delete [] newAbsIdList ;
+ delete [] newFracList ;
+ }
+ } // cycle on clusters
+
+ delete [] matchedTrack;
+
+ //Fill ESDCaloCluster with PID weights
+ AliEMCALPID *pid = new AliEMCALPID;
+ //pid->SetPrintInfo(kTRUE);
+ pid->SetReconstructor(kTRUE);
+ pid->RunPID(esd);
+ delete pid;
- esd->SetNumberOfEMCALClusters(nClustersNew);
- //if(nClustersNew != nClusters)
- //printf(" ##### nClusters %i -> new %i ##### \n", nClusters, nClustersNew );
+ delete digits;
+ delete clusters;
- //Fill ESDCaloCluster with PID weights
- AliEMCALPID *pid = new AliEMCALPID;
- //pid->SetPrintInfo(kTRUE);
- pid->SetReconstructor(kTRUE);
- pid->RunPID(esd);
- delete pid;
+ //Store EMCAL misalignment matrixes
+ FillMisalMatrixes(esd) ;
+
+}
+//==================================================================================
+void AliEMCALReconstructor::FillMisalMatrixes(AliESDEvent* esd)const{
+ //Store EMCAL matrixes in ESD Header
+
+ //Check, if matrixes was already stored
+ for(Int_t sm = 0 ; sm < fGeom->GetNumberOfSuperModules(); sm++){
+ if(esd->GetEMCALMatrix(sm)!=0)
+ return ;
+ }
+
+ //Create and store matrixes
+ if(!gGeoManager){
+ AliError("Can not store misal. matrixes: no gGeoManager! \n") ;
+ return ;
+ }
+ //Note, that owner of copied marixes will be header
+ char path[255] ;
+ TGeoHMatrix * m = 0x0;
+ for(Int_t sm = 0; sm < fGeom->GetNumberOfSuperModules(); sm++){
+ sprintf(path,"/ALIC_1/XEN1_1/SMOD_%d",sm+1) ; //In Geometry modules numbered 1,2,.,5
+ if(sm >= 10) sprintf(path,"/ALIC_1/XEN1_1/SM10_%d",sm-10+1) ;
+
+ if (gGeoManager->CheckPath(path)){
+ gGeoManager->cd(path);
+ m = gGeoManager->GetCurrentMatrix() ;
+// printf("================================================= \n");
+// printf("AliEMCALReconstructor::FixMisalMatrixes(), sm %d, \n",sm);
+// m->Print("");
+ esd->SetEMCALMatrix(new TGeoHMatrix(*m),sm) ;
+// printf("================================================= \n");
+ }
+ else{
+ esd->SetEMCALMatrix(NULL,sm) ;
+ }
+ }
+}
+
+
+
+//__________________________________________________________________________
+void AliEMCALReconstructor::ReadDigitsArrayFromTree(TTree *digitsTree) const
+{
+ // See AliEMCALClusterizer::SetInput(TTree *digitsTree);
+ if(fgDigitsArr) {
+ // Clear previous digits
+ fgDigitsArr->Delete();
+ delete fgDigitsArr;
+ }
+ // Read the digits from the input tree
+ TBranch *branch = digitsTree->GetBranch("EMCAL");
+ if (!branch) {
+ AliError("can't get the branch with the EMCAL digits !");
+ return;
+ }
+ fgDigitsArr = new TClonesArray("AliEMCALDigit",100);
+ branch->SetAddress(&fgDigitsArr);
+ branch->GetEntry(0);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff