/* $Id$ */
-//*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute)
+//-- 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 <cassert>
-#include <TROOT.h>
+class TROOT;
#include <TH1.h>
#include <TFile.h>
-#include <TFolder.h>
+class TFolder;
#include <TMath.h>
#include <TMinuit.h>
#include <TTree.h>
-#include <TSystem.h>
+class TSystem;
#include <TBenchmark.h>
#include <TBrowser.h>
+#include <TROOT.h>
+
// --- Standard library ---
// --- AliRoot header files ---
#include "AliRunLoader.h"
#include "AliRun.h"
-#include "AliEMCALLoader.h"
+#include "AliESD.h"
#include "AliEMCALClusterizerv1.h"
#include "AliEMCALRecPoint.h"
#include "AliEMCALDigit.h"
#include "AliEMCAL.h"
#include "AliEMCALGeometry.h"
#include "AliEMCALHistoUtilities.h"
+#include "AliEMCALRecParam.h"
+#include "AliEMCALReconstructor.h"
+#include "AliCDBManager.h"
-ClassImp(AliEMCALClusterizerv1)
+class AliCDBStorage;
+#include "AliCDBEntry.h"
-AliEMCALGeometry * geom = 0;
-//____________________________________________________________________________
- AliEMCALClusterizerv1::AliEMCALClusterizerv1() : AliEMCALClusterizer()
-{
- // default ctor (to be used mainly by Streamer)
-
- InitParameters() ;
- fDefaultInit = kTRUE ;
- geom = AliEMCALGeometry::GetInstance();
- geom->GetTransformationForSM(); // Global <-> Local
-}
+ClassImp(AliEMCALClusterizerv1)
//____________________________________________________________________________
-AliEMCALClusterizerv1::AliEMCALClusterizerv1(const TString alirunFileName, const TString eventFolderName)
-:AliEMCALClusterizer(alirunFileName, eventFolderName)
+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(kFALSE),
+ fToUnfold(kFALSE),
+ fNumberOfECAClusters(0),fCalibData(0),
+ fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+ fECAW0(0.),fTimeCut(0.),fMinECut(0.)
{
// ctor with the indication of the file where header Tree and digits Tree are stored
InitParameters() ;
Init() ;
- fDefaultInit = kFALSE ;
}
//____________________________________________________________________________
}
//____________________________________________________________________________
-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)
+void AliEMCALClusterizerv1::Digits2Clusters(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("") ;
+
+ //Get calibration parameters from file or digitizer default values.
+ GetCalibrationParameters() ;
- //AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
- if (fLastEvent == -1)
- fLastEvent = rl->GetNumberOfEvents() - 1;
- Int_t nEvents = fLastEvent - fFirstEvent + 1;
+ fNumberOfECAClusters = 0;
- Int_t ievent ;
- rl->LoadDigits("EMCAL");
- for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
- rl->GetEvent(ievent);
- GetCalibrationParameters() ;
+ MakeClusters() ; //only the real clusters
- fNumberOfECAClusters = 0;
-
- MakeClusters() ;
+ if(fToUnfold)
+ MakeUnfolding() ;
- if(fToUnfold)
- MakeUnfolding() ;
+ Int_t index ;
- WriteRecPoints() ;
+ //Evaluate position, dispersion and other RecPoint properties for EC section
+ for(index = 0; index < fRecPoints->GetEntries(); index++) {
+ dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index))->EvalAll(fECAW0,fDigitsArr) ;
+ }
- if(strstr(option,"deb"))
- PrintRecPoints(option) ;
+ fRecPoints->Sort() ;
- //increment the total number of recpoints per run
- fRecPointsInRun += emcalLoader->RecPoints()->GetEntriesFast() ;
+ for(index = 0; index < fRecPoints->GetEntries(); index++) {
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->SetIndexInList(index) ;
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->Print();
}
+
+ fTreeR->Fill();
- Unload();
+ if(strstr(option,"deb") || strstr(option,"all"))
+ PrintRecPoints(option) ;
+
+ AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",fRecPoints->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
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- TClonesArray *digits = emcalLoader->Digits();
- /*
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
- TClonesArray * digits = gime->Digits() ;
- */
-
gMinuit->mncler(); // Reset Minuit's list of paramters
gMinuit->SetPrintLevel(-1) ; // No Printout
gMinuit->SetFCN(AliEMCALClusterizerv1::UnfoldingChiSquare) ;
// To set the address of the minimization function
TList * toMinuit = new TList();
toMinuit->AddAt(emcRP,0) ;
- toMinuit->AddAt(digits,1) ;
+ toMinuit->AddAt(fDigitsArr,1) ;
gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare
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() ;
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
-
- if ( !emcalLoader->Digitizer() )
- emcalLoader->LoadDigitizer();
- AliEMCALDigitizer * dig = dynamic_cast<AliEMCALDigitizer*>(emcalLoader->Digitizer());
-
- fADCchannelECA = dig->GetECAchannel() ;
- fADCpedestalECA = dig->GetECApedestal();
-//PH cout<<"ChannelECA, peds "<<fADCchannelECA<<" "<<fADCpedestalECA<<endl;
+ // 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
+
+ if(!fCalibData && (AliCDBManager::Instance()->IsDefaultStorageSet()))
+ {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
+ if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
+ }
+
+ if(!fCalibData)
+ AliFatal("Calibration parameters not found in CDB!");
+
+ // Please fix it!! Or better just remove it...
+// 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();
+// }
}
//____________________________________________________________________________
// Attach the Clusterizer task to the list of EMCAL tasks
AliRunLoader *rl = AliRunLoader::GetRunLoader();
- geom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
- geom->GetTransformationForSM(); // Global <-> Local
- AliInfo(Form("geom 0x%x",geom));
+ if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL"))
+ fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
+ else
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
+
+ AliDebug(1,Form("geom 0x%x",fGeom));
-//Sub fNTowers = geom->GetNZ() * geom->GetNPhi() ;
- fNTowers =400; // ?
if(!gMinuit)
gMinuit = new TMinuit(100) ;
- //Sub if ( !gime->Clusterizer() )
- //Sub gime->PostClusterizer(this);
- fHists = BookHists();
+
+ fHists = BookHists();
}
//____________________________________________________________________________
// Initializes the parameters for the Clusterizer
fNumberOfECAClusters = 0;
- fECAClusteringThreshold = 0.5; // value obtained from Alexei
fECALocMaxCut = 0.03; // ??
- fECAW0 = 4.5 ;
- fTimeGate = 1.e-8 ;
+ fTimeCut = 300e-9 ; // 300 ns time cut (to be tuned)
fToUnfold = kFALSE ;
- fRecPointsInRun = 0 ;
- fMinECut = 0.01; // have to be tune
+
+ fCalibData = 0 ;
+
+ const AliEMCALRecParam* recParam = AliEMCALReconstructor::GetRecParam();
+ if(!recParam) {
+ AliFatal("Reconstruction parameters for EMCAL not set!");
+ }
+ else {
+ fECAClusteringThreshold = recParam->GetClusteringThreshold();
+ fECAW0 = recParam->GetW0();
+ fMinECut = recParam->GetMinECut();
+ AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f, fECAW=%.3f, fMinECut=%.3f",
+ fECAClusteringThreshold,fECAW0,fMinECut));
+ }
+
}
//____________________________________________________________________________
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 is in different SM, quit from 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
static Int_t rv;
- static Int_t nSupMod1=0, nTower1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
- static Int_t nSupMod2=0, nTower2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
+ 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 ;
- geom->GetCellIndex(d1->GetId(), nSupMod1,nTower1,nIphi1,nIeta1);
- geom->GetCellIndex(d2->GetId(), nSupMod2,nTower2,nIphi2,nIeta2);
+ fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
+ fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2);
if(nSupMod1 != nSupMod2) return 2; // different SM
- geom->GetCellPhiEtaIndexInSModule(nSupMod1,nTower1,nIphi1,nIeta1, iphi1,ieta1);
- geom->GetCellPhiEtaIndexInSModule(nSupMod2,nTower2,nIphi2,nIeta2, iphi2,ieta2);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2);
rowdiff = TMath::Abs(iphi1 - iphi2);
coldiff = TMath::Abs(ieta1 - ieta2) ;
- if (( coldiff <= 1 ) && ( rowdiff <= 1 )) rv = 1; // neighbours with at least commom vertex
+ // 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 && rv==1)
printf("AreNeighbours: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d \n",
return rv ;
}
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::Unload()
-{
- // Unloads the Digits and RecPoints
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
-
- emcalLoader->UnloadDigits() ;
- emcalLoader->UnloadRecPoints() ;
-}
-
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::WriteRecPoints()
-{
-
- // Creates new branches with given title
- // fills and writes into TreeR.
-
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
-
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
-
- TClonesArray * digits = emcalLoader->Digits() ;
- TTree * treeR = emcalLoader->TreeR();
- if ( treeR==0 ) {
- emcalLoader->MakeRecPointsContainer();
- treeR = emcalLoader->TreeR();
- }
- 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) ;
-
- aECARecPoints->Sort() ;
-
- for(index = 0; index < aECARecPoints->GetEntries(); index++) {
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->SetIndexInList(index) ;
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->Print();
- }
-
- Int_t bufferSize = 32000 ;
- Int_t splitlevel = 0 ;
-
- //EC section branch
-
- TBranch * branchECA = 0;
- if ((branchECA = treeR->GetBranch("EMCALECARP")))
- branchECA->SetAddress(&aECARecPoints);
- else
- treeR->Branch("EMCALECARP","TObjArray",&aECARecPoints,bufferSize,splitlevel);
- treeR->Fill() ;
-
- emcalLoader->WriteRecPoints("OVERWRITE");
- //emcalLoader->WriteClusterizer("OVERWRITE");
- //emcalLoader->WriteReconstructioner("OVERWRITE");
-}
-
//____________________________________________________________________________
void AliEMCALClusterizerv1::MakeClusters()
{
// Steering method to construct the clusters stored in a list of Reconstructed Points
// A cluster is defined as a list of neighbour digits
+ // Mar 03, 2007 by PAI
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
-
- if (geom==0)
- AliFatal("Did not get geometry from EMCALLoader");
+ fRecPoints->Clear();
- aECARecPoints->Clear();
+ // Set up TObjArray with pointers to digits to work on
+ TObjArray *digitsC = new TObjArray();
+ TIter nextdigit(fDigitsArr);
+ AliEMCALDigit *digit;
+ while ( (digit = dynamic_cast<AliEMCALDigit*>(nextdigit())) ) {
+ digitsC->AddLast(digit);
+ }
- TClonesArray * digits = emcalLoader->Digits() ;
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone());
+ double e = 0.0, ehs = 0.0;
+ TIter nextdigitC(digitsC);
- TIter nextdigit(digitsC) ;
- AliEMCALDigit * digit;
- double e=0.0, ehs = 0.0;
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // clean up digits
- e = Calibrate(digit->GetAmp());
+ 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 ) digitsC->Remove(digit);
- else ehs += e;
- }
- cout << " Number of digits " << digits->GetEntries() << " -> (e>" <<fMinECut <<")";
- cout << digitsC->GetEntries()<< " ehs "<<ehs<<endl;
-
- // Clusterization starts
- // cout << "Outer Loop" << endl;
- int ineb=0;
- nextdigit.Reset();
- AliEMCALRecPoint * recPoint = 0 ;
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
- recPoint = 0 ;
- TArrayI clusterECAdigitslist(1000); // what is this
-
- if(geom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmp()) > fECAClusteringThreshold ) ){
- Int_t iDigitInECACluster = 0; // start a new Tower RecPoint
- if(fNumberOfECAClusters >= aECARecPoints->GetSize()) aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
- AliEMCALRecPoint * rp = new AliEMCALRecPoint("") ;
- aECARecPoints->AddAt(rp, fNumberOfECAClusters) ;
- recPoint = dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
+ 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",
+ fDigitsArr->GetEntries(),fMinECut,ehs));
+
+ nextdigitC.Reset();
+
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
+ TArrayI clusterECAdigitslist(fDigitsArr->GetEntries());
+
+ if(fGeom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmp(), digit->GetId()) > fECAClusteringThreshold ) ){
+ // start a new Tower RecPoint
+ if(fNumberOfECAClusters >= fRecPoints->GetSize()) fRecPoints->Expand(2*fNumberOfECAClusters+1) ;
+ AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
+ fRecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)) ;
fNumberOfECAClusters++ ;
- recPoint->AddDigit(*digit, Calibrate(digit->GetAmp())) ;
- clusterECAdigitslist[iDigitInECACluster] = digit->GetIndexInList() ;
- iDigitInECACluster++ ;
+
+ recPoint->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
+
+ recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
+ TObjArray clusterDigits;
+ clusterDigits.AddLast(digit);
digitsC->Remove(digit) ;
- AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , thre = %f \n", digit->GetId(),
- Calibrate(digit->GetAmp()), fECAClusteringThreshold));
- nextdigit.Reset(); // will start from beggining
+
+ AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(),
+ Calibrate(digit->GetAmp(),digit->GetId()), fECAClusteringThreshold));
- AliEMCALDigit * digitN = 0; // digi neighbor
- 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
- // if( Calibrate(digitN->GetAmp()) < fMinECut ) digitsC->Remove(digitN);
- ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!!
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- recPoint->AddDigit(*digitN, Calibrate( digitN->GetAmp()) ) ;
- clusterECAdigitslist[iDigitInECACluster] = digitN->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // different SM
- break ;
- } // switch
- } // scan over the reduced list of digits
+ // 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
- nextdigit.Reset() ; // will start from beggining
- }
- } // while digit
- if(recPoint) cout << "cl.e " << recPoint->GetEnergy() << endl;
+ 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()));
+
+ AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,fDigitsArr->GetEntriesFast()));
}
-//____________________________________________________________________________
void AliEMCALClusterizerv1::MakeUnfolding() const
{
Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
-
}
//____________________________________________________________________________
// Print parameters
- TString taskName(GetName()) ;
- taskName.ReplaceAll(Version(), "") ;
+ TString taskName(Version()) ;
printf("--------------- ");
printf(taskName.Data()) ;
printf(" ");
- printf(GetTitle()) ;
- printf("-----------\n");
- printf("Clusterizing digits from the file: ");
- printf(taskName.Data());
- printf("\n Branch: ");
- printf(GetName());
+ printf("Clusterizing digits: ");
printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
printf("\n ECA Logarithmic weight = %f", fECAW0);
if(fToUnfold)
void AliEMCALClusterizerv1::PrintRecPoints(Option_t * option)
{
// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
-
- printf("PrintRecPoints: Clusterization result:") ;
+ if(strstr(option,"deb")) {
+ printf("PrintRecPoints: Clusterization result:") ;
- printf("event # %d\n", emcalLoader->GetRunLoader()->GetEventNumber() ) ;
- printf(" Found %d ECA Rec Points\n ",
- aECARecPoints->GetEntriesFast()) ;
+ printf(" Found %d ECA Rec Points\n ",
+ fRecPoints->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;
- for (index = 0 ; index < aECARecPoints->GetEntries() ; index++) {
- AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(aECARecPoints->At(index)) ;
+ AliEMCALHistoUtilities::FillH1(fHists, 12, double(fRecPoints->GetEntries()));
+
+ for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
+ AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
TVector3 globalpos;
//rp->GetGlobalPosition(globalpos);
TVector3 localpos;
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(),
maxL2=lambda[1];
maxDis=rp->GetDispersion();
}
- pointE->Fill(rp->GetEnergy());
- pointL1->Fill(lambda[0]);
- pointL2->Fill(lambda[1]);
- pointDis->Fill(rp->GetDispersion());
- pointMult->Fill(rp->GetMultiplicity());
+ fPointE->Fill(rp->GetEnergy());
+ fPointL1->Fill(lambda[0]);
+ fPointL2->Fill(lambda[1]);
+ fPointDis->Fill(rp->GetDispersion());
+ fPointMult->Fill(rp->GetMultiplicity());
/////////////
- for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
- printf("%d ", primaries[iprimary] ) ;
- }
+ if(strstr(option,"deb")){
+ for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
+ printf("%d ", primaries[iprimary] ) ;
+ }
+ }
}
- MaxE->Fill(maxE);
- MaxL1->Fill(maxL1);
- MaxL2->Fill(maxL2);
- MaxDis->Fill(maxDis);
-
+ 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();
- pointE = new TH1F("pointE","point energy", 2000, 0.0, 150.);
- pointL1 = new TH1F("pointL1","point L1", 1000, 0.0, 3.);
- pointL2 = new TH1F("pointL2","point L2", 1000, 0.0, 3.);
- pointDis = new TH1F("pointDis","point Dis", 1000, 0.0, 3.);
- pointMult = new TH1F("pointMult","point Mult", 100, 0.0, 100.);
- digitAmp = new TH1F("digitAmp","Digit Amplitude", 2000, 0.0, 5000.);
- MaxE = new TH1F("maxE","Max point energy", 2000, 0.0, 150.);
- MaxL1 = new TH1F("maxL1","Max point L1", 1000, 0.0, 3.);
- MaxL2 = new TH1F("maxL2","Max point L2", 1000, 0.0, 3.);
- MaxDis = new TH1F("maxDis","Max point Dis", 1000, 0.0, 3.); // 9
+ 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("adcOfDigits","adc of digits(threshold control)", 1001, -0.5, 1000.5); // 10
- new TH1F("energyOfDigits","energy of digits(threshold control)", 1000, 0.0, 1.); // 11
+ 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);
}
AliEMCALHistoUtilities::SaveListOfHists(fHists, fn, kTRUE);
}
-void AliEMCALClusterizerv1::Browse(TBrowser* b)
+void AliEMCALClusterizerv1::PrintRecoInfo()
{
- if(fHists) b->Add(fHists);
- TTask::Browse(b);
+ 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");
+ }
+ }
}