-
/**************************************************************************
* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* *
//*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute)
// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
// of new IO (à la PHOS)
+// Mar 2007, Aleksei Pavlinov - new algoritmh of pseudo clusters
//////////////////////////////////////////////////////////////////////////////
// Clusterization class. Performs clusterization (collects neighbouring active cells) and
// unfolds the clusters having several local maxima.
// // time - print benchmarking results
// --- ROOT system ---
-
-#include "TROOT.h"
-#include "TFile.h"
-#include "TFolder.h"
-#include "TMath.h"
-#include "TMinuit.h"
-#include "TTree.h"
-#include "TSystem.h"
-#include "TBenchmark.h"
+#include <cassert>
+
+class TROOT;
+#include <TH1.h>
+#include <TFile.h>
+class TFolder;
+#include <TMath.h>
+#include <TMinuit.h>
+#include <TTree.h>
+class TSystem;
+#include <TBenchmark.h>
+#include <TBrowser.h>
+#include <TROOT.h>
// --- Standard library ---
// --- AliRoot header files ---
-#include "AliEMCALGetter.h"
+#include "AliRunLoader.h"
+#include "AliRun.h"
+#include "AliESD.h"
+#include "AliEMCALLoader.h"
#include "AliEMCALClusterizerv1.h"
#include "AliEMCALRecPoint.h"
#include "AliEMCALDigit.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCAL.h"
#include "AliEMCALGeometry.h"
+#include "AliEMCALRawUtils.h"
+#include "AliEMCALHistoUtilities.h"
+#include "AliCDBManager.h"
+
+class AliCDBStorage;
+#include "AliCDBEntry.h"
ClassImp(AliEMCALClusterizerv1)
-
+
//____________________________________________________________________________
- AliEMCALClusterizerv1::AliEMCALClusterizerv1() : AliEMCALClusterizer()
+AliEMCALClusterizerv1::AliEMCALClusterizerv1()
+ : AliEMCALClusterizer(),
+ fHists(0),fPointE(0),fPointL1(0),fPointL2(0),
+ fPointDis(0),fPointMult(0),fDigitAmp(0),fMaxE(0),
+ fMaxL1(0),fMaxL2(0),fMaxDis(0),fGeom(0),
+ fDefaultInit(kTRUE),
+ fToUnfold(kFALSE),
+ fNumberOfECAClusters(0),fNTowerInGroup(0),fCalibData(0),
+ fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+ fECAW0(0.),fRecPointsInRun(0),fTimeCut(0.),fMinECut(0.)
{
// default ctor (to be used mainly by Streamer)
InitParameters() ;
- fDefaultInit = kTRUE ;
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName());
+ fGeom->GetTransformationForSM(); // Global <-> Local
}
//____________________________________________________________________________
AliEMCALClusterizerv1::AliEMCALClusterizerv1(const TString alirunFileName, const TString eventFolderName)
-:AliEMCALClusterizer(alirunFileName, eventFolderName)
+ : AliEMCALClusterizer(alirunFileName, eventFolderName),
+ fHists(0),fPointE(0),fPointL1(0),fPointL2(0),
+ fPointDis(0),fPointMult(0),fDigitAmp(0),fMaxE(0),
+ fMaxL1(0),fMaxL2(0),fMaxDis(0),fGeom(0),
+ fDefaultInit(kFALSE),
+ fToUnfold(kFALSE),
+ fNumberOfECAClusters(0),fNTowerInGroup(0),fCalibData(0),
+ fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+ fECAW0(0.),fRecPointsInRun(0),fTimeCut(0.),fMinECut(0.)
{
// ctor with the indication of the file where header Tree and digits Tree are stored
InitParameters() ;
Init() ;
- fDefaultInit = kFALSE ;
+}
+//____________________________________________________________________________
+AliEMCALClusterizerv1::AliEMCALClusterizerv1(const AliEMCALClusterizerv1& clus)
+ : AliEMCALClusterizer(clus),
+ fHists(clus.fHists),
+ fPointE(clus.fPointE),
+ fPointL1(clus.fPointL1),
+ fPointL2(clus.fPointL2),
+ fPointDis(clus.fPointDis),
+ fPointMult(clus.fPointMult),
+ fDigitAmp(clus.fDigitAmp),
+ fMaxE(clus.fMaxE),
+ fMaxL1(clus.fMaxL1),
+ fMaxL2(clus.fMaxL2),
+ fMaxDis(clus.fMaxDis),
+ fGeom(clus.fGeom),
+ fDefaultInit(clus.fDefaultInit),
+ fToUnfold(clus.fToUnfold),
+ fNumberOfECAClusters(clus.fNumberOfECAClusters),
+ fNTowerInGroup(clus.fNTowerInGroup),
+ fCalibData(clus.fCalibData),
+ fADCchannelECA(clus.fADCchannelECA),
+ fADCpedestalECA(clus.fADCpedestalECA),
+ fECAClusteringThreshold(clus.fECAClusteringThreshold),
+ fECALocMaxCut(clus.fECALocMaxCut),
+ fECAW0(clus.fECAW0),
+ fRecPointsInRun(clus.fRecPointsInRun),
+ fTimeCut(clus.fTimeCut),
+ fMinECut(clus.fMinECut)
+{
+ //copy ctor
}
//____________________________________________________________________________
AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
{
// dtor
-
}
//____________________________________________________________________________
const TString AliEMCALClusterizerv1::BranchName() const
{
return GetName();
-
}
//____________________________________________________________________________
-Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp) const
+Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t AbsId)
{
- //To be replased later by the method, reading individual parameters from the database
- return -fADCpedestalECA + amp * fADCchannelECA ;
+
+ // Convert digitized amplitude into energy.
+ // Calibration parameters are taken from calibration data base for raw data,
+ // or from digitizer parameters for simulated data.
+
+ if(fCalibData){
+
+ if (fGeom==0)
+ AliFatal("Did not get geometry from EMCALLoader") ;
+
+ Int_t iSupMod = -1;
+ Int_t nModule = -1;
+ Int_t nIphi = -1;
+ Int_t nIeta = -1;
+ Int_t iphi = -1;
+ Int_t ieta = -1;
+
+ Bool_t bCell = fGeom->GetCellIndex(AbsId, iSupMod, nModule, nIphi, nIeta) ;
+ if(!bCell) {
+ fGeom->PrintGeometry();
+ Error("Calibrate()"," Wrong cell id number : %i", AbsId);
+ assert(0);
+ }
+
+ fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nModule,nIphi, nIeta,iphi,ieta);
+
+ fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
+ fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
+
+ return -fADCpedestalECA + amp * fADCchannelECA ;
+
+ }
+ else //Return energy with default parameters if calibration is not available
+ return -fADCpedestalECA + amp * fADCchannelECA ;
+
}
//____________________________________________________________________________
void AliEMCALClusterizerv1::Exec(Option_t * option)
{
- // Steering method to perform clusterization for events
- // in the range from fFirstEvent to fLastEvent.
- // This range is optionally set by SetEventRange().
- // if fLastEvent=-1 (by default), then process events until the end.
+ // Steering method to perform clusterization for the current event
+ // in AliEMCALLoader
if(strstr(option,"tim"))
gBenchmark->Start("EMCALClusterizer");
if(strstr(option,"print"))
Print("") ;
+
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
+ //Get calibration parameters from file or digitizer default values.
+ GetCalibrationParameters() ;
- if (fLastEvent == -1)
- fLastEvent = gime->MaxEvent() - 1;
- Int_t nEvents = fLastEvent - fFirstEvent + 1;
+ fNumberOfECAClusters = 0;
- Int_t ievent ;
- for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
- gime->Event(ievent,"D") ;
+ if(strstr(option,"pseudo"))
+ MakeClusters("pseudo") ; //both types
+ else
+ MakeClusters("") ; //only the real clusters
- GetCalibrationParameters() ;
+ if(fToUnfold)
+ MakeUnfolding() ;
- fNumberOfECAClusters = 0;
-
- MakeClusters() ;
+ WriteRecPoints() ;
- if(fToUnfold)
- MakeUnfolding() ;
+ if(strstr(option,"deb") || strstr(option,"all"))
+ PrintRecPoints(option) ;
- WriteRecPoints() ;
+ AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",emcalLoader->RecPoints()->GetEntriesFast()));
- if(strstr(option,"deb"))
- PrintRecPoints(option) ;
-
- //increment the total number of recpoints per run
- fRecPointsInRun += gime->ECARecPoints()->GetEntriesFast() ;
- }
-
- Unload();
+ //increment the total number of recpoints per run
+ fRecPointsInRun += emcalLoader->RecPoints()->GetEntriesFast() ;
if(strstr(option,"tim")){
gBenchmark->Stop("EMCALClusterizer");
- printf("Exec took %f seconds for Clusterizing %f seconds per event",
- gBenchmark->GetCpuTime("EMCALClusterizer"), gBenchmark->GetCpuTime("EMCALClusterizer")/nEvents ) ;
- }
+ printf("Exec took %f seconds for Clusterizing",
+ gBenchmark->GetCpuTime("EMCALClusterizer"));
+ }
}
//____________________________________________________________________________
// The initial values for fitting procedure are set equal to the positions of local maxima.
// Cluster will be fitted as a superposition of nPar/3 electromagnetic showers
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
- TClonesArray * digits = gime->Digits() ;
-
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ TClonesArray *digits = emcalLoader->Digits();
+
gMinuit->mncler(); // Reset Minuit's list of paramters
gMinuit->SetPrintLevel(-1) ; // No Printout
gMinuit->SetFCN(AliEMCALClusterizerv1::UnfoldingChiSquare) ;
Int_t iDigit ;
- AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-
for(iDigit = 0; iDigit < nDigits; iDigit++){
digit = maxAt[iDigit];
- Int_t relid[2] ;
Float_t x = 0.;
Float_t z = 0.;
- geom->AbsToRelNumbering(digit->GetId(), relid) ;
- geom->PosInAlice(relid, x, z) ;
+ // have to be tune for TRD1; May 31,06
+ // Int_t relid[2] ;
+ // fGeom->AbsToRelNumbering(digit->GetId(), relid) ; // obsolete method
+ // fGeom->PosInAlice(relid, x, z) ; // obsolete method
Float_t energy = maxAtEnergy[iDigit] ;
//____________________________________________________________________________
void AliEMCALClusterizerv1::GetCalibrationParameters()
{
- // Gets the parameters for the calibration from the digitizer
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
-
- if ( !gime->Digitizer() )
- gime->LoadDigitizer();
- AliEMCALDigitizer * dig = gime->Digitizer();
-
- fADCchannelECA = dig->GetECAchannel() ;
- fADCpedestalECA = dig->GetECApedestal();
+ // Set calibration parameters:
+ // if calibration database exists, they are read from database,
+ // otherwise, they are taken from digitizer.
+ //
+ // It is a user responsilibity to open CDB before reconstruction,
+ // for example:
+ // AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
+
+ //Check if calibration is stored in data base
+
+ AliEMCALLoader *emcalLoader =
+ dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+
+ fCalibData =emcalLoader->CalibData();
+
+ if(!fCalibData)
+ {
+ //If calibration is not available use default parameters
+ //Loader
+ if ( !emcalLoader->Digitizer() )
+ emcalLoader->LoadDigitizer();
+ AliEMCALDigitizer * dig = dynamic_cast<AliEMCALDigitizer*>(emcalLoader->Digitizer());
+
+ fADCchannelECA = dig->GetECAchannel() ;
+ fADCpedestalECA = dig->GetECApedestal();
+ }
}
//____________________________________________________________________________
// Make all memory allocations which can not be done in default constructor.
// Attach the Clusterizer task to the list of EMCAL tasks
- AliEMCALGetter * gime = AliEMCALGetter::Instance(GetTitle(), fEventFolderName.Data());
+ AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL"))
+ fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
+ else
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName());
- AliEMCALGeometry * geom = gime->EMCALGeometry() ;
+ fGeom->GetTransformationForSM(); // Global <-> Local
+ AliInfo(Form("geom 0x%x",fGeom));
- fNTowers = geom->GetNZ() * geom->GetNPhi() ;
if(!gMinuit)
gMinuit = new TMinuit(100) ;
- if ( !gime->Clusterizer() )
- gime->PostClusterizer(this);
+ fHists = BookHists();
}
//____________________________________________________________________________
{
// Initializes the parameters for the Clusterizer
fNumberOfECAClusters = 0;
- fECAClusteringThreshold = 1.0; // must be adjusted according to the noise level set by digitizer
- fECALocMaxCut = 0.03 ;
- fECAW0 = 4.5 ;
- fTimeGate = 1.e-8 ;
+
+ fNTowerInGroup = 36; //Produces maximum of 80 pseudoclusters per event
+
+ fECAClusteringThreshold = 0.1; // value obtained from Aleksei
+ fECALocMaxCut = 0.03; // ??
+
+ fECAW0 = 4.5;
+ fTimeCut = 300e-9 ; // 300 ns time cut (to be tuned)
fToUnfold = kFALSE ;
fRecPointsInRun = 0 ;
- fMinECut = 0.3;
+ fMinECut = 0.01; // have to be tune
+
+ fCalibData = 0 ;
}
//____________________________________________________________________________
-Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2)const
+Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2) const
{
- // Gives the neighbourness of two digits = 0 are not neighbour but continue searching
+ // Gives the neighbourness of two digits = 0 are not neighbour ; continue searching
// = 1 are neighbour
- // = 2 are not neighbour but do not continue searching
+ // = 2 is in different SM; continue searching
// neighbours are defined as digits having at least a common vertex
// The order of d1 and d2 is important: first (d1) should be a digit already in a cluster
// which is compared to a digit (d2) not yet in a cluster
- AliEMCALGeometry * geom = AliEMCALGetter::Instance()->EMCALGeometry() ;
+ static Int_t rv;
+ static Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
+ static Int_t nSupMod2=0, nModule2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
+ static Int_t rowdiff, coldiff;
+ rv = 0 ;
- Int_t rv = 0 ;
+ fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
+ fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2);
+ if(nSupMod1 != nSupMod2) return 2; // different SM
- Int_t relid1[2] ;
- geom->AbsToRelNumbering(d1->GetId(), relid1) ;
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2);
- Int_t relid2[2] ;
- geom->AbsToRelNumbering(d2->GetId(), relid2) ;
+ rowdiff = TMath::Abs(iphi1 - iphi2);
+ coldiff = TMath::Abs(ieta1 - ieta2) ;
-
- Int_t rowdiff = TMath::Abs( relid1[0] - relid2[0] ) ;
- Int_t coldiff = TMath::Abs( relid1[1] - relid2[1] ) ;
-
- if (( coldiff <= 1 ) && ( rowdiff <= 1 )){
- rv = 1 ;
- }
- else {
- if((relid2[0] > relid1[0]) && (relid2[1] > relid1[1]+1))
- rv = 2; // Difference in row numbers is too large to look further
- }
+ // neighbours with at least commom side; May 11, 2007
+ if ((coldiff==0 && abs(rowdiff)==1) || (rowdiff==0 && abs(coldiff)==1)) rv = 1;
- if (gDebug == 2 )
- printf("AreNeighbours: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d ",
- rv, d1->GetId(), relid1[0], relid1[1],
- d2->GetId(), relid2[0], relid2[1]) ;
+ if (gDebug == 2 && rv==1)
+ printf("AreNeighbours: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d \n",
+ rv, d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2);
return rv ;
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::Unload()
+Int_t AliEMCALClusterizerv1::AreInGroup(AliEMCALDigit * d1, AliEMCALDigit * d2) const
{
- // Unloads the Digits and RecPoints
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
- gime->EmcalLoader()->UnloadDigits() ;
- gime->EmcalLoader()->UnloadRecPoints() ;
+ // Tells whether two digits fall within the same supermodule and
+ // tower grouping. The number of towers in a group is controlled by
+ // the parameter nTowersInGroup
+ // = 0 are not in same group but continue searching
+ // = 1 same group
+ // = 2 is in different SM, quit from searching
+ // = 3 different tower group, quit from searching
+ //
+ // The order of d1 and d2 is important: first (d1) should be a digit
+ // already in a cluster which is compared to a digit (d2) not yet in a cluster
+
+ //JLK Question: does the quit from searching assume that the digits
+ //are ordered, so that once you are in a different SM, you'll not
+ //find another in the list that will match? How about my TowerGroup search?
+
+ static Int_t rv;
+ static Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
+ static Int_t nSupMod2=0, nModule2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
+ static Int_t towerGroup1 = -1, towerGroup2 = -1;
+ rv = 0 ;
+
+ fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
+ fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2);
+ if(nSupMod1 != nSupMod2) return 2; // different SM
+
+ static Int_t nTowerInSM = fGeom->GetNCellsInSupMod()/fGeom->GetNCellsInModule();
+
+ //figure out which tower grouping each digit belongs to
+ for(int it = 0; it < nTowerInSM/fNTowerInGroup; it++) {
+ if(nModule1 <= nTowerInSM - it*fNTowerInGroup) towerGroup1 = it;
+ if(nModule2 <= nTowerInSM - it*fNTowerInGroup) towerGroup2 = it;
+ }
+ if(towerGroup1 != towerGroup2) return 3; //different Towergroup
+
+ //same SM, same towergroup, we're happy
+ if(towerGroup1 == towerGroup2 && towerGroup2 >= 0)
+ rv = 1;
+
+ if (gDebug == 2 && rv==1)
+ printf("AreInGroup: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d \n",
+ rv, d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2);
+
+ return rv ;
}
//____________________________________________________________________________
// Creates new branches with given title
// fills and writes into TreeR.
- AliEMCALGetter *gime = AliEMCALGetter::Instance() ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- TObjArray * aECARecPoints = gime->ECARecPoints() ;
+ TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
- TClonesArray * digits = gime->Digits() ;
- TTree * treeR = gime->TreeR(); ;
-
+ TClonesArray * digits = emcalLoader->Digits() ;
+ TTree * treeR = emcalLoader->TreeR();
+ if ( treeR==0 ) {
+ emcalLoader->MakeRecPointsContainer();
+ treeR = emcalLoader->TreeR();
+ }
+ else if (treeR->GetEntries() > 0) {
+ Warning("WriteRecPoints","RecPoints already exist in output file. New Recpoitns will not be visible.");
+ }
Int_t index ;
//Evaluate position, dispersion and other RecPoint properties for EC section
- for(index = 0; index < aECARecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->EvalAll(fECAW0,digits) ;
+ for(index = 0; index < aECARecPoints->GetEntries(); index++) {
+ if (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index))->GetClusterType() != AliESDCaloCluster::kPseudoCluster)
+ dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index))->EvalAll(fECAW0,digits) ;
+ }
aECARecPoints->Sort() ;
- for(index = 0; index < aECARecPoints->GetEntries(); index++)
+ for(index = 0; index < aECARecPoints->GetEntries(); index++) {
(dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->SetIndexInList(index) ;
+ (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->Print();
+ }
- aECARecPoints->Expand(aECARecPoints->GetEntriesFast()) ;
-
Int_t bufferSize = 32000 ;
Int_t splitlevel = 0 ;
//EC section branch
- TBranch * branchECA = treeR->Branch("EMCALECARP","TObjArray",&aECARecPoints,bufferSize,splitlevel);
- branchECA->SetTitle(BranchName());
-
- branchECA->Fill() ;
+
+ TBranch * branchECA = 0;
+ if ((branchECA = treeR->GetBranch("EMCALECARP")))
+ branchECA->SetAddress(&aECARecPoints);
+ else
+ treeR->Branch("EMCALECARP","TObjArray",&aECARecPoints,bufferSize,splitlevel);
+ treeR->Fill() ;
- gime->WriteRecPoints("OVERWRITE");
- gime->WriteClusterizer("OVERWRITE");
+ emcalLoader->WriteRecPoints("OVERWRITE");
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::MakeClusters()
+void AliEMCALClusterizerv1::MakeClusters(char* option)
{
// Steering method to construct the clusters stored in a list of Reconstructed Points
// A cluster is defined as a list of neighbour digits
-
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
+ // Mar 03, 2007 by PAI
- AliEMCALGeometry * geom = gime->EMCALGeometry() ;
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
- TObjArray * aECARecPoints = gime->ECARecPoints() ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
+ aECARecPoints->Clear();
- aECARecPoints->Delete() ;
+ TClonesArray *digits = emcalLoader->Digits();
- TClonesArray * digits = gime->Digits() ;
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone()) ;
+ // Set up TObjArray with pointers to digits to work on
+ TObjArray *digitsC = new TObjArray();
+ TIter nextdigit(digits);
+ AliEMCALDigit *digit;
+ while ( (digit = dynamic_cast<AliEMCALDigit*>(nextdigit())) ) {
+ digitsC->AddLast(digit);
+ }
- // Clusterization starts
- TIter nextdigit(digitsC) ;
- AliEMCALDigit * digit;
-
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
- AliEMCALRecPoint * clu = 0 ;
-
- TArrayI clusterECAdigitslist(50000);
-
- if (gDebug == 2) {
- printf("MakeClusters: id = %d, ene = %f , thre = %f", digit->GetId(),Calibrate(digit->GetAmp()),
- fECAClusteringThreshold) ;
+ //Start with pseudoclusters, if option
+ if(strstr(option,"pseudo")) {
+ //
+ // New algorithm : will be created one pseudo cluster per module
+ //
+ AliDebug(1,Form("Pseudo clustering #digits : %i ",digits->GetEntries()));
+
+ AliEMCALRecPoint *recPoints[12]; // max size is 12 : see fGeom->GetNumberOfSuperModules();
+ for(int i=0; i<12; i++) recPoints[i] = 0;
+ TIter nextdigitC(digitsC) ;
+
+ // PseudoClusterization starts
+ int nSM = 0; // # of SM
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
+ if(fGeom->CheckAbsCellId(digit->GetId()) ) { //Is this an EMCAL digit? Just maing sure...
+ nSM = fGeom->GetSuperModuleNumber(digit->GetId());
+ if(recPoints[nSM] == 0) {
+ recPoints[nSM] = new AliEMCALRecPoint(Form("PC%2.2i", nSM));
+ recPoints[nSM]->SetClusterType(AliESDCaloCluster::kPseudoCluster);
+ }
+ recPoints[nSM]->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId()));
+ }
+ }
+ fNumberOfECAClusters = 0;
+ for(int i=0; i<fGeom->GetNumberOfSuperModules(); i++) { // put non empty rec.points to container
+ if(recPoints[i]) aECARecPoints->AddAt(recPoints[i], fNumberOfECAClusters++);
}
+ AliDebug(1,Form(" Number of PC %d ", fNumberOfECAClusters));
+ }
+
+ //
+ // Now do real clusters
+ //
+
+ double e = 0.0, ehs = 0.0;
+ TIter nextdigitC(digitsC);
- if ( geom->IsInECA(digit->GetId()) && (Calibrate(digit->GetAmp()) > fECAClusteringThreshold ) ){
- Int_t iDigitInECACluster = 0;
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // clean up digits
+ e = Calibrate(digit->GetAmp(), digit->GetId());
+ AliEMCALHistoUtilities::FillH1(fHists, 10, digit->GetAmp());
+ AliEMCALHistoUtilities::FillH1(fHists, 11, e);
+ if ( e < fMinECut || digit->GetTimeR() > fTimeCut )
+ digitsC->Remove(digit);
+ else
+ ehs += e;
+ }
+ AliDebug(1,Form("MakeClusters: Number of digits %d -> (e %f), ehs %d\n",
+ digits->GetEntries(),fMinECut,ehs));
+
+ nextdigitC.Reset();
+
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
+ TArrayI clusterECAdigitslist(digits->GetEntries());
+
+ if(fGeom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmp(), digit->GetId()) > fECAClusteringThreshold ) ){
// start a new Tower RecPoint
- if(fNumberOfECAClusters >= aECARecPoints->GetSize())
- aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
- AliEMCALRecPoint * rp = new AliEMCALRecPoint("") ;
- aECARecPoints->AddAt(rp, fNumberOfECAClusters) ;
- clu = dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
+ if(fNumberOfECAClusters >= aECARecPoints->GetSize()) aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
+ AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
+ aECARecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
fNumberOfECAClusters++ ;
- clu->AddDigit(*digit, Calibrate(digit->GetAmp())) ;
- clusterECAdigitslist[iDigitInECACluster] = digit->GetIndexInList() ;
- iDigitInECACluster++ ;
+
+ recPoint->SetClusterType(AliESDCaloCluster::kClusterv1);
+
+ recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
+ TObjArray clusterDigits;
+ clusterDigits.AddLast(digit);
digitsC->Remove(digit) ;
- if (gDebug == 2 )
- printf("MakeClusters: OK id = %d, ene = %f , thre = %f ", digit->GetId(),Calibrate(digit->GetAmp()), fECAClusteringThreshold) ;
- nextdigit.Reset() ;
+
+ AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(),
+ Calibrate(digit->GetAmp(),digit->GetId()), fECAClusteringThreshold));
- AliEMCALDigit * digitN ;
- Int_t index = 0 ;
-
- // Find the neighbours
- while (index < iDigitInECACluster){ // scan over digits already in cluster
- digit = (AliEMCALDigit*)digits->At(clusterECAdigitslist[index]) ;
- index++ ;
- while ( (digitN = (AliEMCALDigit *)nextdigit())) { // scan over the reduced list of digits
- // check that the digit is above the min E Cut
- if(Calibrate(digitN->GetAmp()) < fMinECut ) digitsC->Remove(digitN);
- Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!!
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- clu->AddDigit(*digitN, Calibrate( digitN->GetAmp()) ) ;
- clusterECAdigitslist[iDigitInECACluster] = digitN->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // too far from each other
- goto endofloop1;
- } // switch
- } // while digitN
-
- endofloop1: ;
- nextdigit.Reset() ;
- } // loop over ECA cluster
- } // energy threshold
- else if(Calibrate(digit->GetAmp()) < fMinECut ){
- digitsC->Remove(digit);
- }
- } // while digit
+ // Grow cluster by finding neighbours
+ TIter nextClusterDigit(&clusterDigits);
+ while ( (digit = dynamic_cast<AliEMCALDigit*>(nextClusterDigit())) ) { // scan over digits in cluster
+ TIter nextdigitN(digitsC);
+ AliEMCALDigit *digitN = 0; // digi neighbor
+ while ( (digitN = (AliEMCALDigit *)nextdigitN()) ) { // scan over all digits to look for neighbours
+ if (AreNeighbours(digit, digitN)==1) { // call (digit,digitN) in THAT oder !!!!!
+ recPoint->AddDigit(*digitN, Calibrate(digitN->GetAmp(),digitN->GetId()) ) ;
+ clusterDigits.AddLast(digitN) ;
+ digitsC->Remove(digitN) ;
+ } // if(ineb==1)
+ } // scan over digits
+ } // scan over digits already in cluster
+ if(recPoint)
+ AliDebug(2,Form("MakeClusters: %d digitd, energy %f \n", clusterDigits.GetEntries(), recPoint->GetEnergy()));
+ } // If seed found
+ } // while digit
+
delete digitsC ;
+
+ AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,digits->GetEntriesFast()));
}
-//____________________________________________________________________________
void AliEMCALClusterizerv1::MakeUnfolding() const
{
Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
-
}
//____________________________________________________________________________
void AliEMCALClusterizerv1::PrintRecPoints(Option_t * option)
{
// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
-
- TObjArray * aECARecPoints = AliEMCALGetter::Instance()->ECARecPoints() ;
- printf("PrintRecPoints: Clusterization result:") ;
+ AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
+
+ if(strstr(option,"deb")) {
+ printf("PrintRecPoints: Clusterization result:") ;
- printf("event # %d\n", gAlice->GetEvNumber() ) ;
- printf(" Found %d ECA Rec Points\n ",
+ printf("event # %d\n", emcalLoader->GetRunLoader()->GetEventNumber() ) ;
+ printf(" Found %d ECA Rec Points\n ",
aECARecPoints->GetEntriesFast()) ;
+ }
fRecPointsInRun += aECARecPoints->GetEntriesFast() ;
if(strstr(option,"all")) {
- Int_t index =0;
- printf("\n-----------------------------------------------------------------------\n") ;
- printf("Clusters in ECAL section\n") ;
- printf("Index Ene(GeV) Multi Module phi r theta X Y Z Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
-
+ if(strstr(option,"deb")) {
+ printf("\n-----------------------------------------------------------------------\n") ;
+ printf("Clusters in ECAL section\n") ;
+ printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
+ }
+ Int_t index =0;
+ Float_t maxE=0;
+ Float_t maxL1=0;
+ Float_t maxL2=0;
+ Float_t maxDis=0;
+
+ AliEMCALHistoUtilities::FillH1(fHists, 12, double(aECARecPoints->GetEntries()));
+
for (index = 0 ; index < aECARecPoints->GetEntries() ; index++) {
AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(aECARecPoints->At(index)) ;
TVector3 globalpos;
- rp->GetGlobalPosition(globalpos);
+ //rp->GetGlobalPosition(globalpos);
TVector3 localpos;
rp->GetLocalPosition(localpos);
Float_t lambda[2];
Int_t * primaries;
Int_t nprimaries;
primaries = rp->GetPrimaries(nprimaries);
+ if(strstr(option,"deb"))
printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
- for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
- printf("%d ", primaries[iprimary] ) ;
- }
+ /////////////
+ if(rp->GetEnergy()>maxE){
+ maxE=rp->GetEnergy();
+ maxL1=lambda[0];
+ maxL2=lambda[1];
+ maxDis=rp->GetDispersion();
+ }
+ fPointE->Fill(rp->GetEnergy());
+ fPointL1->Fill(lambda[0]);
+ fPointL2->Fill(lambda[1]);
+ fPointDis->Fill(rp->GetDispersion());
+ fPointMult->Fill(rp->GetMultiplicity());
+ /////////////
+ if(strstr(option,"deb")){
+ for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
+ printf("%d ", primaries[iprimary] ) ;
+ }
+ }
}
+
+ fMaxE->Fill(maxE);
+ fMaxL1->Fill(maxL1);
+ fMaxL2->Fill(maxL2);
+ fMaxDis->Fill(maxDis);
+
+ if(strstr(option,"deb"))
printf("\n-----------------------------------------------------------------------\n");
}
}
+TList* AliEMCALClusterizerv1::BookHists()
+{
+ //set up histograms for monitoring clusterizer performance
+
+ gROOT->cd();
+
+ fPointE = new TH1F("00_pointE","point energy", 2000, 0.0, 150.);
+ fPointL1 = new TH1F("01_pointL1","point L1", 1000, 0.0, 3.);
+ fPointL2 = new TH1F("02_pointL2","point L2", 1000, 0.0, 3.);
+ fPointDis = new TH1F("03_pointDisp","point dispersion", 1000, 0.0, 10.);
+ fPointMult = new TH1F("04_pointMult","#cell in point(cluster)", 101, -0.5, 100.5);
+ fDigitAmp = new TH1F("05_digitAmp","Digit Amplitude", 2000, 0.0, 5000.);
+ fMaxE = new TH1F("06_maxE","Max point energy", 2000, 0.0, 150.);
+ fMaxL1 = new TH1F("07_maxL1","Largest (first) of eigenvalue of covariance matrix", 1000, 0.0, 3.);
+ fMaxL2 = new TH1F("08_maxL2","Smalest (second) of eigenvalue of covariace matrix", 1000, 0.0, 3.);
+ fMaxDis = new TH1F("09_maxDis","Point dispersion", 1000, 0.0, 10.); // 9
+ //
+ new TH1F("10_adcOfDigits","adc of digits(threshold control)", 1001, -0.5, 1000.5); // 10
+ new TH1F("11_energyOfDigits","energy of digits(threshold control)", 1000, 0.0, 1.); // 11
+ new TH1F("12_numberOfPoints","number of points(clusters)", 101, -0.5, 100.5); // 12
+
+ return AliEMCALHistoUtilities::MoveHistsToList("EmcalClusterizerv1ControlHists", kFALSE);
+}
+
+void AliEMCALClusterizerv1::SaveHists(const char *fn)
+{
+ AliEMCALHistoUtilities::SaveListOfHists(fHists, fn, kTRUE);
+}
+
+void AliEMCALClusterizerv1::PrintRecoInfo()
+{
+ printf(" AliEMCALClusterizerv1::PrintRecoInfo() : version %s \n", Version() );
+ TH1F *h = (TH1F*)fHists->At(12);
+ if(h) {
+ printf(" ## Multiplicity of RecPoints ## \n");
+ for(int i=1; i<=h->GetNbinsX(); i++) {
+ int nbin = int((*h)[i]);
+ int mult = int(h->GetBinCenter(i));
+ if(nbin > 0) printf(" %i : %5.5i %6.3f %% \n", mult, nbin, 100.*nbin/h->GetEntries());
+ }
+ }
+}
+
+void AliEMCALClusterizerv1::DrawLambdasHists()
+{
+ if(fMaxL1) {
+ fMaxL1->Draw();
+ if(fMaxL2) fMaxL2->Draw("same");
+ if(fMaxDis) {
+ fMaxDis->Draw("same");
+ }
+ }
+}
+
+void AliEMCALClusterizerv1::Browse(TBrowser* b)
+{
+ if(fHists) b->Add(fHists);
+ if(fGeom) b->Add(fGeom);
+ TTask::Browse(b);
+}