/* $Id$ */
-/* $Log:
- 1 October 2000. Yuri Kharlov:
- AreNeighbours()
- PPSD upper layer is considered if number of layers>1
-
- 18 October 2000. Yuri Kharlov:
- AliEMCALClusterizerv1()
- CPV clusterizing parameters added
-
- MakeClusters()
- After first PPSD digit remove EMC digits only once
-*/
-//*-- 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 "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 ---
-#include <iostream.h>
-#include <iomanip.h>
// --- AliRoot header files ---
-
+#include "AliRunLoader.h"
+#include "AliRun.h"
+#include "AliESD.h"
#include "AliEMCALClusterizerv1.h"
+#include "AliEMCALRecPoint.h"
#include "AliEMCALDigit.h"
#include "AliEMCALDigitizer.h"
-#include "AliEMCALTowerRecPoint.h"
#include "AliEMCAL.h"
-#include "AliEMCALGetter.h"
-#include "AliRun.h"
+#include "AliEMCALGeometry.h"
+#include "AliEMCALRecParam.h"
+#include "AliEMCALReconstructor.h"
+#include "AliCDBManager.h"
+
+class AliCDBStorage;
+#include "AliCDBEntry.h"
ClassImp(AliEMCALClusterizerv1)
-
+
//____________________________________________________________________________
- AliEMCALClusterizerv1::AliEMCALClusterizerv1() : AliEMCALClusterizer()
+AliEMCALClusterizerv1::AliEMCALClusterizerv1()
+ : AliEMCALClusterizer(),
+ fGeom(0),
+ fDefaultInit(kFALSE),
+ fToUnfold(kFALSE),
+ fNumberOfECAClusters(0),fCalibData(0),
+ fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+ fECAW0(0.),fTimeCut(0.),fMinECut(0.)
{
- // default ctor (to be used mainly by Streamer)
-
- fNumberOfPreShoClusters = fNumberOfTowerClusters = 0 ;
-
- fPreShoClusteringThreshold = 0.00005;
- fTowerClusteringThreshold = 0.00005;
-
- fTowerLocMaxCut = 0.03 ;
- fPreShoLocMaxCut = 0.03 ;
+ // ctor with the indication of the file where header Tree and digits Tree are stored
- fW0 = 4.5 ;
- fW0CPV = 4.0 ;
-
- fTimeGate = 1.e-8 ;
-
- fToUnfold = kFALSE ;
-
- fHeaderFileName = fDigitsBranchTitle = "" ;
- fRecPointsInRun = 0 ;
+ Init() ;
}
//____________________________________________________________________________
-AliEMCALClusterizerv1::AliEMCALClusterizerv1(const char* headerFile,const char* name)
-:AliEMCALClusterizer(headerFile, name)
+AliEMCALClusterizerv1::AliEMCALClusterizerv1(AliEMCALGeometry* geometry)
+ : AliEMCALClusterizer(),
+ fGeom(geometry),
+ 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
-
+ // use this contructor to avoid usage of Init() which uses runloader
+ // change needed by HLT - MP
- fNumberOfPreShoClusters = fNumberOfTowerClusters = 0 ;
+ // Note for the future: the use on runloader should be avoided or optional at least
+ // another way is to make Init virtual and protected at least such that the deriving classes can overload
+ // Init() ;
+ //
-
-
- fPreShoClusteringThreshold = 0.0001;
- fTowerClusteringThreshold = 0.2;
-
- fTowerLocMaxCut = 0.03 ;
- fPreShoLocMaxCut = 0.03 ;
-
- fW0 = 4.5 ;
- fW0CPV = 4.0 ;
+ if (!fGeom)
+ {
+ AliFatal("Geometry not initialized.");
+ }
- fTimeGate = 1.e-8 ;
-
- fToUnfold = kFALSE ;
-
- fHeaderFileName = GetTitle() ;
- fDigitsBranchTitle = GetName() ;
-
- TString clusterizerName( GetName()) ;
- clusterizerName.Append(":") ;
- clusterizerName.Append(Version()) ;
- SetName(clusterizerName) ;
- fRecPointsInRun = 0 ;
+ if(!gMinuit)
+ gMinuit = new TMinuit(100) ;
- Init() ;
+}
+//____________________________________________________________________________
+AliEMCALClusterizerv1::AliEMCALClusterizerv1(AliEMCALGeometry* geometry, AliEMCALCalibData * calib)
+: AliEMCALClusterizer(),
+fGeom(geometry),
+fDefaultInit(kFALSE),
+fToUnfold(kFALSE),
+fNumberOfECAClusters(0),fCalibData(calib),
+fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+fECAW0(0.),fTimeCut(0.),fMinECut(0.)
+{
+ // ctor, geometry and calibration are initialized elsewhere.
+
+ if (!fGeom)
+ AliFatal("Geometry not initialized.");
+
+ if(!gMinuit)
+ gMinuit = new TMinuit(100) ;
+
}
+
+
//____________________________________________________________________________
AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
{
+ // dtor
}
+
//____________________________________________________________________________
-Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Bool_t inpresho) const
+Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t AbsId)
{
- if ( inpresho ) // calibrate as pre shower
- return -fADCpedestalPreSho + amp * fADCchannelPreSho ;
+
+ // 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);
+ }
- else //calibrate as tower
- return -fADCpedestalTower + amp * fADCchannelTower ;
+ 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
-
- if( strcmp(GetName(), "")== 0 )
- Init() ;
+ // 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() ;
- gAlice->GetEvent(0) ;
-
- //check, if the branch with name of this" already exits?
- TObjArray * lob = (TObjArray*)gAlice->TreeR()->GetListOfBranches() ;
- TIter next(lob) ;
- TBranch * branch = 0 ;
- Bool_t emcaltowerfound = kFALSE, emcalpreshofound = kFALSE, clusterizerfound = kFALSE ;
-
- TString branchname = GetName() ;
- branchname.Remove(branchname.Index(Version())-1) ;
-
- while ( (branch = (TBranch*)next()) && (!emcaltowerfound || !emcalpreshofound || !clusterizerfound) ) {
- if ( (strcmp(branch->GetName(), "EMCALTowerRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) )
- emcaltowerfound = kTRUE ;
-
- else if ( (strcmp(branch->GetName(), "EMCALPreShoRP")==0) && (strcmp(branch->GetTitle(), branchname.Data())==0) )
- emcalpreshofound = kTRUE ;
-
- else if ((strcmp(branch->GetName(), "AliEMCALClusterizer")==0) && (strcmp(branch->GetTitle(), GetName())==0) )
- clusterizerfound = kTRUE ;
- }
- if ( emcalpreshofound || emcaltowerfound || clusterizerfound ) {
- cerr << "WARNING: AliEMCALClusterizer::Exec -> Tower(PreSho)RecPoints and/or Clusterizer branch with name "
- << branchname.Data() << " already exits" << endl ;
- return ;
- }
+ fNumberOfECAClusters = 0;
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- Int_t nevents = (Int_t) gAlice->TreeE()->GetEntries() ;
- Int_t ievent ;
+ MakeClusters() ; //only the real clusters
- for(ievent = 0; ievent < nevents; ievent++){
+ if(fToUnfold)
+ MakeUnfolding() ;
- if(ievent == 0)
- GetCalibrationParameters() ;
+ Int_t index ;
- fNumberOfTowerClusters = fNumberOfPreShoClusters = 0 ;
-
- gime->Event(ievent,"D") ;
-
- MakeClusters() ;
-
- if(fToUnfold)
- MakeUnfolding() ;
+ //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) ;
+ }
- WriteRecPoints(ievent) ;
+ fRecPoints->Sort() ;
- if(strstr(option,"deb"))
- PrintRecPoints(option) ;
+ for(index = 0; index < fRecPoints->GetEntries(); index++) {
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->SetIndexInList(index) ;
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->Print();
+ }
- //increment the total number of digits per run
- fRecPointsInRun += gime->TowerRecPoints()->GetEntriesFast() ;
- fRecPointsInRun += gime->PreShowerRecPoints()->GetEntriesFast() ;
- }
+ fTreeR->Fill();
+ 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");
- cout << "AliEMCALClusterizer:" << endl ;
- cout << " took " << gBenchmark->GetCpuTime("EMCALClusterizer") << " seconds for Clusterizing "
- << gBenchmark->GetCpuTime("EMCALClusterizer")/nevents << " seconds per event " << endl ;
- cout << endl ;
- }
-
+ printf("Exec took %f seconds for Clusterizing",
+ gBenchmark->GetCpuTime("EMCALClusterizer"));
+ }
}
//____________________________________________________________________________
-Bool_t AliEMCALClusterizerv1::FindFit(AliEMCALTowerRecPoint * emcRP, int * maxAt, Float_t * maxAtEnergy,
- Int_t nPar, Float_t * fitparameters) const
-{
- // Calls TMinuit to fit the energy distribution of a cluster with several maxima
- // 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
+Bool_t AliEMCALClusterizerv1::FindFit(AliEMCALRecPoint * recPoint, AliEMCALDigit ** maxAt,
+ const Float_t* maxAtEnergy,
+ Int_t nPar, Float_t * fitparameters) const
+{
+ // Calls TMinuit to fit the energy distribution of a cluster with several maxima
+ // 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::GetInstance() ;
- TClonesArray * digits = gime->Digits() ;
-
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
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
-
+ 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(recPoint,0) ;
+ toMinuit->AddAt(fDigitsArr,1) ;
+ toMinuit->AddAt(fGeom,2) ;
+
gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare
// filling initial values for fit parameters
AliEMCALDigit * digit ;
- Int_t ierflg = 0;
+ Int_t ierflg = 0;
Int_t index = 0 ;
Int_t nDigits = (Int_t) nPar / 3 ;
Int_t iDigit ;
- AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-
for(iDigit = 0; iDigit < nDigits; iDigit++){
- digit = (AliEMCALDigit *) maxAt[iDigit];
+ digit = maxAt[iDigit];
+ Double_t x = 0.;
+ Double_t y = 0.;
+ Double_t z = 0.;
- Int_t relid[4] ;
- Float_t x = 0.;
- Float_t z = 0.;
- geom->AbsToRelNumbering(digit->GetId(), relid) ;
- geom->PosInAlice(relid, x, z) ;
+ fGeom->RelPosCellInSModule(digit->GetId(), y, x, z);
Float_t energy = maxAtEnergy[iDigit] ;
gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ;
- index++ ;
- if(ierflg != 0){
- cout << "EMCAL Unfolding> Unable to set initial value for fit procedure : x = " << x << endl ;
+ index++ ;
+ if(ierflg != 0){
+ Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : x = %f", x ) ;
return kFALSE;
}
gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ;
- index++ ;
+ index++ ;
if(ierflg != 0){
- cout << "EMCAL Unfolding> Unable to set initial value for fit procedure : z = " << z << endl ;
+ Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : z = %f", z) ;
return kFALSE;
}
gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ;
- index++ ;
+ index++ ;
if(ierflg != 0){
- cout << "EMCAL Unfolding> Unable to set initial value for fit procedure : energy = " << energy << endl ;
+ Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : energy = %f", energy) ;
return kFALSE;
}
}
- Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ; The number of function call slightly
- // depends on it.
- Double_t p1 = 1.0 ;
+ Double_t p0 = 0.1 ; // "Tolerance" Evaluation stops when EDM = 0.0001*p0 ;
+ // The number of function call slightly depends on it.
+ //Double_t p1 = 1.0 ;
Double_t p2 = 0.0 ;
- gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls
- gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient
+ gMinuit->mnexcm("SET STR", &p2, 0, ierflg) ; // force TMinuit to reduce function calls
+ // gMinuit->mnexcm("SET GRA", &p1, 1, ierflg) ; // force TMinuit to use my gradient
gMinuit->SetMaxIterations(5);
gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings
+ gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize
- gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize
-
- if(ierflg == 4){ // Minimum not found
- cout << "EMCAL Unfolding> Fit not converged, cluster abandoned "<< endl ;
+ if(ierflg == 4){ // Minimum not found
+ Error("FindFit", "EMCAL Unfolding Fit not converged, cluster abandoned " ) ;
return kFALSE ;
- }
+ }
for(index = 0; index < nPar; index++){
Double_t err ;
Double_t val ;
gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index
fitparameters[index] = val ;
- }
+ }
delete toMinuit ;
return kTRUE;
//____________________________________________________________________________
void AliEMCALClusterizerv1::GetCalibrationParameters()
{
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
- TString branchname = GetName() ;
- branchname.Remove(branchname.Index(Version())-1) ;
-
- AliEMCALDigitizer * dig = gime->Digitizer(branchname) ;
-
- fADCchannelTower = dig->GetTowerchannel() ;
- fADCpedestalTower = dig->GetTowerpedestal();
-
- fADCchannelPreSho = dig->GetPreShochannel() ;
- fADCpedestalPreSho = dig->GetPreShopedestal() ;
-
+ // 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)
+ {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
+ if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
+ }
+
+ if(!fCalibData)
+ AliFatal("Calibration parameters not found in CDB!");
+
}
+
//____________________________________________________________________________
void AliEMCALClusterizerv1::Init()
{
// Make all memory allocations which can not be done in default constructor.
// Attach the Clusterizer task to the list of EMCAL tasks
- if ( strcmp(GetTitle(), "") == 0 )
- SetTitle("galice.root") ;
+ AliRunLoader *rl = AliRunLoader::Instance();
+ if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL"))
+ fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
+ else
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
- TString branchname = GetName() ;
- branchname.Remove(branchname.Index(Version())-1) ;
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), branchname, "update") ;
- if ( gime == 0 ) {
- cerr << "ERROR: AliEMCALClusterizerv1::Init -> Could not obtain the Getter object !" << endl ;
- return ;
- }
-
- const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
- fNTowers = geom->GetNZ() * geom->GetNPhi() ;
+ AliDebug(1,Form("geom 0x%x",fGeom));
if(!gMinuit)
gMinuit = new TMinuit(100) ;
- gime->PostClusterizer(this) ;
- // create a folder on the white board
- gime->PostRecPoints(branchname ) ;
+}
+
+//____________________________________________________________________________
+void AliEMCALClusterizerv1::InitParameters()
+{
+ // Initializes the parameters for the Clusterizer
+ fNumberOfECAClusters = 0;
+ fTimeCut = 300e-9 ; // 300 ns time cut (to be tuned)
+
+ 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();
+ fToUnfold = recParam->GetUnfold();
+ if(fToUnfold) AliWarning("Cluster Unfolding ON. Implementing only for eta=0 case!!!");
+ fECALocMaxCut = recParam->GetLocMaxCut();
+
+ AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f, fECAW=%.3f, fMinECut=%.3f, fToUnfold=%d, fECALocMaxCut=%.3f",
+ fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut));
+ }
- gime->PostDigits(branchname) ;
- gime->PostDigitizer(branchname) ;
-
}
//____________________________________________________________________________
-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::GetInstance()->EMCALGeometry() ;
-
- Int_t rv = 0 ;
+ 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 relid1[4] ;
- geom->AbsToRelNumbering(d1->GetId(), relid1) ;
+ 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 relid2[4] ;
- geom->AbsToRelNumbering(d2->GetId(), relid2) ;
-
- if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same EMCAL Arm
- Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ;
- Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ;
-
- if (( coldiff <= 1 ) && ( rowdiff <= 1 )){
- if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fTimeGate))
- rv = 1 ;
- }
- else {
- if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1))
- rv = 2; // Difference in row numbers is too large to look further
- }
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2);
- }
- else {
-
- if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) )
- rv=2 ;
-
- }
-
- return rv ;
-}
-
-
-//____________________________________________________________________________
-Bool_t AliEMCALClusterizerv1::IsInTower(AliEMCALDigit * digit) const
-{
- // Tells if (true) or not (false) the digit is in a EMCAL-Tower
-
- Bool_t rv = kFALSE ;
- if (!digit->IsInPreShower())
- rv = kTRUE;
- return rv ;
-}
-
-//____________________________________________________________________________
-Bool_t AliEMCALClusterizerv1::IsInPreShower(AliEMCALDigit * digit) const
-{
- // Tells if (true) or not (false) the digit is in a EMCAL-PreShower
+ rowdiff = TMath::Abs(iphi1 - iphi2);
+ coldiff = TMath::Abs(ieta1 - ieta2) ;
+
+ // neighbours with at least commom side; May 11, 2007
+ if ((coldiff==0 && abs(rowdiff)==1) || (rowdiff==0 && abs(coldiff)==1)) rv = 1;
- Bool_t rv = kFALSE ;
- if (digit->IsInPreShower())
- rv = kTRUE;
+ 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::WriteRecPoints(Int_t event)
+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
- // Creates new branches with given title
- // fills and writes into TreeR.
-
- TString branchName(GetName() ) ;
- branchName.Remove(branchName.Index(Version())-1) ;
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
- AliEMCALGetter *gime = AliEMCALGetter::GetInstance() ;
- TObjArray * towerRecPoints = gime->TowerRecPoints(branchName) ;
- TObjArray * preshoRecPoints = gime->PreShowerRecPoints(branchName) ;
- TClonesArray * digits = gime->Digits(branchName) ;
+ fRecPoints->Clear();
- Int_t index ;
- //Evaluate position, dispersion and other RecPoint properties...
- for(index = 0; index < towerRecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALTowerRecPoint *>(towerRecPoints->At(index)))->EvalAll(fW0,digits) ;
+ // 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);
+ }
- towerRecPoints->Sort() ;
+ double e = 0.0, ehs = 0.0;
+ TIter nextdigitC(digitsC);
- for(index = 0; index < towerRecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALTowerRecPoint *>(towerRecPoints->At(index)))->SetIndexInList(index) ;
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // clean up digits
+ e = Calibrate(digit->GetAmp(), digit->GetId());
+ 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));
- towerRecPoints->Expand(towerRecPoints->GetEntriesFast()) ;
+ nextdigitC.Reset();
- //Now the same for CPV
- for(index = 0; index < preshoRecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALRecPoint *>(preshoRecPoints->At(index)))->EvalAll(fW0CPV,digits) ;
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
+ TArrayI clusterECAdigitslist(fDigitsArr->GetEntries());
- preshoRecPoints->Sort() ;
+ 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) ;
- for(index = 0; index < preshoRecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALRecPoint *>(preshoRecPoints->At(index)))->SetIndexInList(index) ;
+ AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
+ fRecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)) ;
+ fNumberOfECAClusters++ ;
- preshoRecPoints->Expand(preshoRecPoints->GetEntriesFast()) ;
-
- //Make branches in TreeR for RecPoints and Clusterizer
- char * filename = 0;
- if(gSystem->Getenv("CONFIG_SPLIT_FILE")!=0){ //generating file name
- filename = new char[strlen(gAlice->GetBaseFile())+20] ;
- sprintf(filename,"%s/EMCAL.Reco.root",gAlice->GetBaseFile()) ;
- }
-
- //Make new branches
- TDirectory *cwd = gDirectory;
-
-
- Int_t bufferSize = 32000 ;
- Int_t splitlevel = 0 ;
-
- //First EMC
- TBranch * emcBranch = gAlice->TreeR()->Branch("EMCALTowerRP","TObjArray",&towerRecPoints,bufferSize,splitlevel);
- emcBranch->SetTitle(branchName);
- if (filename) {
- emcBranch->SetFile(filename);
- TIter next( emcBranch->GetListOfBranches());
- TBranch * sb ;
- while ((sb=(TBranch*)next())) {
- sb->SetFile(filename);
- }
-
- cwd->cd();
- }
-
- //Now CPV branch
- TBranch * cpvBranch = gAlice->TreeR()->Branch("EMCALPreShoRP","TObjArray",&preshoRecPoints,bufferSize,splitlevel);
- cpvBranch->SetTitle(branchName);
- if (filename) {
- cpvBranch->SetFile(filename);
- TIter next( cpvBranch->GetListOfBranches());
- TBranch * sb;
- while ((sb=(TBranch*)next())) {
- sb->SetFile(filename);
- }
- cwd->cd();
- }
-
- //And Finally clusterizer branch
- AliEMCALClusterizerv1 * cl = (AliEMCALClusterizerv1*)gime->Clusterizer(branchName) ;
- TBranch * clusterizerBranch = gAlice->TreeR()->Branch("AliEMCALClusterizer","AliEMCALClusterizerv1",
- &cl,bufferSize,splitlevel);
- clusterizerBranch->SetTitle(branchName);
- if (filename) {
- clusterizerBranch->SetFile(filename);
- TIter next( clusterizerBranch->GetListOfBranches());
- TBranch * sb ;
- while ((sb=(TBranch*)next())) {
- sb->SetFile(filename);
- }
- cwd->cd();
- }
- emcBranch ->Fill() ;
- cpvBranch ->Fill() ;
- clusterizerBranch->Fill() ;
+ recPoint->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
- gAlice->TreeR()->Write(0,kOverwrite) ;
-
-}
+ recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
+ TObjArray clusterDigits;
+ clusterDigits.AddLast(digit);
+ digitsC->Remove(digit) ;
-//____________________________________________________________________________
-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
-
- TString branchName(GetName()) ;
- branchName.Remove(branchName.Index(Version())-1) ;
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
- TObjArray * towerRecPoints = gime->TowerRecPoints(branchName) ;
- TObjArray * preshoRecPoints = gime->PreShowerRecPoints(branchName) ;
- towerRecPoints->Delete() ;
- preshoRecPoints->Delete() ;
-
- TClonesArray * digits = gime->Digits(branchName) ;
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone()) ;
-
-
- // Clusterization starts
-
- TIter nextdigit(digitsC) ;
- AliEMCALDigit * digit ;
- Bool_t notremoved = kTRUE ;
-
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
- AliEMCALRecPoint * clu = 0 ;
-
- TArrayI clusterdigitslist(1500) ;
- Int_t index ;
-
- if (( IsInTower (digit) && Calibrate(digit->GetAmp(),digit->IsInPreShower()) > fTowerClusteringThreshold ) ||
- ( IsInPreShower (digit) && Calibrate(digit->GetAmp(),digit->IsInPreShower()) > fPreShoClusteringThreshold ) ) {
-
- Int_t iDigitInCluster = 0 ;
-
- if ( IsInTower(digit) ) {
- // start a new Tower RecPoint
- if(fNumberOfTowerClusters >= towerRecPoints->GetSize())
- towerRecPoints->Expand(2*fNumberOfTowerClusters+1) ;
-
- towerRecPoints->AddAt(new AliEMCALTowerRecPoint(""), fNumberOfTowerClusters) ;
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(towerRecPoints->At(fNumberOfTowerClusters)) ;
- fNumberOfTowerClusters++ ;
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->IsInPreShower())) ;
- clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ;
- iDigitInCluster++ ;
- digitsC->Remove(digit) ;
-
- } else {
-
- // start a new Pre Shower cluster
- if(fNumberOfPreShoClusters >= preshoRecPoints->GetSize())
- preshoRecPoints->Expand(2*fNumberOfPreShoClusters+1);
-
- preshoRecPoints->AddAt(new AliEMCALTowerRecPoint(""), fNumberOfPreShoClusters) ;
-
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(preshoRecPoints->At(fNumberOfPreShoClusters)) ;
- fNumberOfPreShoClusters++ ;
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->IsInPreShower() ) );
- clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ;
- iDigitInCluster++ ;
- digitsC->Remove(digit) ;
- nextdigit.Reset() ;
-
- // Here we remove remaining Tower digits, which cannot make a cluster
-
- if( notremoved ) {
- while( ( digit = dynamic_cast<AliEMCALDigit *>(nextdigit()) ) ) {
- if( IsInTower(digit) )
- digitsC->Remove(digit) ;
- else
- break ;
- }
- notremoved = kFALSE ;
- }
-
- } // else
-
- nextdigit.Reset() ;
-
- AliEMCALDigit * digitN ;
- index = 0 ;
- while (index < iDigitInCluster){ // scan over digits already in cluster
- digit = (AliEMCALDigit*)digits->At(clusterdigitslist[index]) ;
- index++ ;
- while ( (digitN = (AliEMCALDigit *)nextdigit()) ) { // scan over the reduced list of digits
- 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(), digitN->IsInPreShower() ) ) ;
- clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ;
- iDigitInCluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // too far from each other
- goto endofloop;
- } // switch
-
- } // while digitN
-
- endofloop: ;
- nextdigit.Reset() ;
-
- } // loop over cluster
+ AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(),
+ Calibrate(digit->GetAmp(),digit->GetId()), fECAClusteringThreshold));
- } // energy theshold
-
-
- } // 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,fDigitsArr->GetEntriesFast()));
}
//____________________________________________________________________________
void AliEMCALClusterizerv1::MakeUnfolding()
{
- Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
-
-// // Unfolds clusters using the shape of an ElectroMagnetic shower
-// // Performs unfolding of all EMC/CPV clusters
-
-// AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
-// const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-// TObjArray * emcRecPoints = gime->TowerRecPoints() ;
-// TObjArray * cpvRecPoints = gime->PreShoRecPoints() ;
-// TClonesArray * digits = gime->Digits() ;
-
-// // Unfold first EMC clusters
-// if(fNumberOfTowerClusters > 0){
-
-// Int_t nModulesToUnfold = geom->GetNModules() ;
-
-// Int_t numberofNotUnfolded = fNumberOfTowerClusters ;
-// Int_t index ;
-// for(index = 0 ; index < numberofNotUnfolded ; index++){
-
-// AliEMCALTowerRecPoint * emcRecPoint = (AliEMCALTowerRecPoint *) emcRecPoints->At(index) ;
-// if(emcRecPoint->GetEMCALMod()> nModulesToUnfold)
-// break ;
-
-// Int_t nMultipl = emcRecPoint->GetMultiplicity() ;
-// Int_t * maxAt = new Int_t[nMultipl] ;
-// Float_t * maxAtEnergy = new Float_t[nMultipl] ;
-// Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fTowerLocMaxCut,digits) ;
-
-// if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0
-// UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ;
-// emcRecPoints->Remove(emcRecPoint);
-// emcRecPoints->Compress() ;
-// index-- ;
-// fNumberOfTowerClusters -- ;
-// numberofNotUnfolded-- ;
-// }
-
-// delete[] maxAt ;
-// delete[] maxAtEnergy ;
-// }
-// }
-// // Unfolding of EMC clusters finished
-
+ // Unfolds clusters using the shape of an ElectroMagnetic shower
+ // Performs unfolding of all clusters
-// // Unfold now CPV clusters
-// if(fNumberOfPreShoClusters > 0){
-
-// Int_t nModulesToUnfold = geom->GetNModules() ;
-
-// Int_t numberofPreShoNotUnfolded = fNumberOfPreShoClusters ;
-// Int_t index ;
-// for(index = 0 ; index < numberofPreShoNotUnfolded ; index++){
-
-// AliEMCALRecPoint * recPoint = (AliEMCALRecPoint *) cpvRecPoints->At(index) ;
+ if(fNumberOfECAClusters > 0){
+ if (fGeom==0)
+ AliFatal("Did not get geometry from EMCALLoader") ;
+ Int_t nModulesToUnfold = fGeom->GetNCells();
-// if(recPoint->GetEMCALMod()> nModulesToUnfold)
-// break ;
-
-// AliEMCALTowerRecPoint * emcRecPoint = (AliEMCALTowerRecPoint*) recPoint ;
-
-// Int_t nMultipl = emcRecPoint->GetMultiplicity() ;
-// Int_t * maxAt = new Int_t[nMultipl] ;
-// Float_t * maxAtEnergy = new Float_t[nMultipl] ;
-// Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fPreShoLocMaxCut,digits) ;
-
-// if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0
-// UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ;
-// cpvRecPoints->Remove(emcRecPoint);
-// cpvRecPoints->Compress() ;
-// index-- ;
-// numberofPreShoNotUnfolded-- ;
-// fNumberOfPreShoClusters-- ;
-// }
-
-// delete[] maxAt ;
-// delete[] maxAtEnergy ;
-// }
-// }
-// //Unfolding of PreSho clusters finished
-
+ Int_t numberofNotUnfolded = fNumberOfECAClusters ;
+ Int_t index ;
+ for(index = 0 ; index < numberofNotUnfolded ; index++){
+
+ AliEMCALRecPoint * recPoint = dynamic_cast<AliEMCALRecPoint *>( fRecPoints->At(index) ) ;
+
+ TVector3 gpos;
+ Int_t absId;
+ recPoint->GetGlobalPosition(gpos);
+ fGeom->GetAbsCellIdFromEtaPhi(gpos.Eta(),gpos.Phi(),absId);
+ if(absId > nModulesToUnfold)
+ break ;
+
+ Int_t nMultipl = recPoint->GetMultiplicity() ;
+ AliEMCALDigit ** maxAt = new AliEMCALDigit*[nMultipl] ;
+ Float_t * maxAtEnergy = new Float_t[nMultipl] ;
+ Int_t nMax = recPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fECALocMaxCut,fDigitsArr) ;
+
+ if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0
+ UnfoldCluster(recPoint, nMax, maxAt, maxAtEnergy) ;
+ fRecPoints->Remove(recPoint);
+ fRecPoints->Compress() ;
+ index-- ;
+ fNumberOfECAClusters-- ;
+ numberofNotUnfolded-- ;
+ }
+ else{
+ recPoint->SetNExMax(1) ; //Only one local maximum
+ }
+
+ delete[] maxAt ;
+ delete[] maxAtEnergy ;
+ }
+ }
+ // End of Unfolding of clusters
}
//____________________________________________________________________________
-Double_t AliEMCALClusterizerv1::ShowerShape(Double_t r)
+Double_t AliEMCALClusterizerv1::ShowerShape(Double_t x, Double_t y)
{
- // Shape of the shower (see EMCAL TDR)
+ // Shape of the shower
// If you change this function, change also the gradient evaluation in ChiSquare()
- Double_t r4 = r*r*r*r ;
- Double_t r295 = TMath::Power(r, 2.95) ;
- Double_t shape = TMath::Exp( -r4 * (1. / (2.32 + 0.26 * r4) + 0.0316 / (1 + 0.0652 * r295) ) ) ;
+ Double_t r = sqrt(x*x+y*y);
+ Double_t r133 = TMath::Power(r, 1.33) ;
+ Double_t r669 = TMath::Power(r, 6.69) ;
+ Double_t shape = TMath::Exp( -r133 * (1. / (1.57 + 0.0860 * r133) - 0.55 / (1 + 0.000563 * r669) ) ) ;
return shape ;
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::UnfoldCluster(AliEMCALTowerRecPoint * iniTower,
- Int_t nMax,
- int * maxAt,
- Float_t * maxAtEnergy)
+void AliEMCALClusterizerv1::UnfoldCluster(AliEMCALRecPoint * iniTower,
+ Int_t nMax,
+ AliEMCALDigit ** maxAt,
+ Float_t * maxAtEnergy)
{
// Performs the unfolding of a cluster with nMax overlapping showers
-
- Fatal("AliEMCALClusterizerv1::UnfoldCluster", "--> Unfolding not implemented") ;
-
- // AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-// const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-// const TClonesArray * digits = gime->Digits() ;
-// TObjArray * emcRecPoints = gime->TowerRecPoints() ;
-// TObjArray * cpvRecPoints = gime->PreShoRecPoints() ;
-
-// Int_t nPar = 3 * nMax ;
-// Float_t * fitparameters = new Float_t[nPar] ;
-
-// Bool_t rv = FindFit(iniTower, maxAt, maxAtEnergy, nPar, fitparameters) ;
-// if( !rv ) {
-// // Fit failed, return and remove cluster
-// delete[] fitparameters ;
-// return ;
-// }
-
-// // create ufolded rec points and fill them with new energy lists
-// // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[]
-// // and later correct this number in acordance with actual energy deposition
-
-// Int_t nDigits = iniTower->GetMultiplicity() ;
-// Float_t * efit = new Float_t[nDigits] ;
-// Float_t xDigit=0.,zDigit=0.,distance=0. ;
-// Float_t xpar=0.,zpar=0.,epar=0. ;
-// Int_t relid[4] ;
-// AliEMCALDigit * digit = 0 ;
-// Int_t * emcDigits = iniTower->GetDigitsList() ;
-
-// Int_t iparam ;
-// Int_t iDigit ;
-// for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
-// digit = (AliEMCALDigit*) digits->At(emcDigits[iDigit] ) ;
-// geom->AbsToRelNumbering(digit->GetId(), relid) ;
-// geom->RelPosInModule(relid, xDigit, zDigit) ;
-// efit[iDigit] = 0;
-
-// iparam = 0 ;
-// while(iparam < nPar ){
-// xpar = fitparameters[iparam] ;
-// zpar = fitparameters[iparam+1] ;
-// epar = fitparameters[iparam+2] ;
-// iparam += 3 ;
-// distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ;
-// distance = TMath::Sqrt(distance) ;
-// efit[iDigit] += epar * ShowerShape(distance) ;
-// }
-// }
-
+ Int_t nPar = 3 * nMax ;
+ Float_t * fitparameters = new Float_t[nPar] ;
-// // Now create new RecPoints and fill energy lists with efit corrected to fluctuations
-// // so that energy deposited in each cell is distributed betwin new clusters proportionally
-// // to its contribution to efit
+ if (fGeom==0)
+ AliFatal("Did not get geometry from EMCALLoader") ;
-// Float_t * emcEnergies = iniTower->GetEnergiesList() ;
-// Float_t ratio ;
+ Bool_t rv = FindFit(iniTower, maxAt, maxAtEnergy, nPar, fitparameters) ;
+ if( !rv ) {
+ // Fit failed, return and remove cluster
+ iniTower->SetNExMax(-1) ;
+ delete[] fitparameters ;
+ return ;
+ }
-// iparam = 0 ;
-// while(iparam < nPar ){
-// xpar = fitparameters[iparam] ;
-// zpar = fitparameters[iparam+1] ;
-// epar = fitparameters[iparam+2] ;
-// iparam += 3 ;
-
-// AliEMCALTowerRecPoint * emcRP = 0 ;
+ // create unfolded rec points and fill them with new energy lists
+ // First calculate energy deposited in each sell in accordance with
+ // fit (without fluctuations): efit[]
+ // and later correct this number in acordance with actual energy
+ // deposition
+
+ Int_t nDigits = iniTower->GetMultiplicity() ;
+ Float_t * efit = new Float_t[nDigits] ;
+ Double_t xDigit=0.,yDigit=0.,zDigit=0. ;
+ Float_t xpar=0.,zpar=0.,epar=0. ;
+
+ AliEMCALDigit * digit = 0 ;
+ Int_t * digitsList = iniTower->GetDigitsList() ;
+
+ Int_t iparam ;
+ Int_t iDigit ;
+ for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
+ digit = dynamic_cast<AliEMCALDigit*>( fDigitsArr->At(digitsList[iDigit] ) ) ;
+ fGeom->RelPosCellInSModule(digit->GetId(), yDigit, xDigit, zDigit);
+ efit[iDigit] = 0;
+
+ iparam = 0 ;
+ while(iparam < nPar ){
+ xpar = fitparameters[iparam] ;
+ zpar = fitparameters[iparam+1] ;
+ epar = fitparameters[iparam+2] ;
+ iparam += 3 ;
+ efit[iDigit] += epar * ShowerShape(xDigit - xpar,zDigit - zpar) ;
+ }
+ }
+
+
+ // Now create new RecPoints and fill energy lists with efit corrected to fluctuations
+ // so that energy deposited in each cell is distributed between new clusters proportionally
+ // to its contribution to efit
+
+ Float_t * energiesList = iniTower->GetEnergiesList() ;
+ Float_t ratio ;
+
+ iparam = 0 ;
+ while(iparam < nPar ){
+ xpar = fitparameters[iparam] ;
+ zpar = fitparameters[iparam+1] ;
+ epar = fitparameters[iparam+2] ;
+ iparam += 3 ;
+
+ AliEMCALRecPoint * recPoint = 0 ;
+
+ if(fNumberOfECAClusters >= fRecPoints->GetSize())
+ fRecPoints->Expand(2*fNumberOfECAClusters) ;
+
+ (*fRecPoints)[fNumberOfECAClusters] = new AliEMCALRecPoint("") ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>( fRecPoints->At(fNumberOfECAClusters) ) ;
+ fNumberOfECAClusters++ ;
+ recPoint->SetNExMax((Int_t)nPar/3) ;
+
+ Float_t eDigit ;
+ for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
+ digit = dynamic_cast<AliEMCALDigit*>( fDigitsArr->At( digitsList[iDigit] ) ) ;
+ fGeom->RelPosCellInSModule(digit->GetId(), yDigit, xDigit, zDigit);
+
+ ratio = epar * ShowerShape(xDigit - xpar,zDigit - zpar) / efit[iDigit] ;
+ eDigit = energiesList[iDigit] * ratio ;
+ recPoint->AddDigit( *digit, eDigit ) ;
+ }
+ }
+
+ delete[] fitparameters ;
+ delete[] efit ;
-// if(iniTower->IsTower()){ //create new entries in fTowerRecPoints...
-
-// if(fNumberOfTowerClusters >= emcRecPoints->GetSize())
-// emcRecPoints->Expand(2*fNumberOfTowerClusters) ;
-
-// (*emcRecPoints)[fNumberOfTowerClusters] = new AliEMCALTowerRecPoint("") ;
-// emcRP = (AliEMCALTowerRecPoint *) emcRecPoints->At(fNumberOfTowerClusters);
-// fNumberOfTowerClusters++ ;
-// }
-// else{//create new entries in fPreShoRecPoints
-// if(fNumberOfPreShoClusters >= cpvRecPoints->GetSize())
-// cpvRecPoints->Expand(2*fNumberOfPreShoClusters) ;
-
-// (*cpvRecPoints)[fNumberOfPreShoClusters] = new AliEMCALPreShoRecPoint("") ;
-// emcRP = (AliEMCALTowerRecPoint *) cpvRecPoints->At(fNumberOfPreShoClusters);
-// fNumberOfPreShoClusters++ ;
-// }
-
-// Float_t eDigit ;
-// for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
-// digit = (AliEMCALDigit*) digits->At( emcDigits[iDigit] ) ;
-// geom->AbsToRelNumbering(digit->GetId(), relid) ;
-// geom->RelPosInModule(relid, xDigit, zDigit) ;
-// distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ;
-// distance = TMath::Sqrt(distance) ;
-// ratio = epar * ShowerShape(distance) / efit[iDigit] ;
-// eDigit = emcEnergies[iDigit] * ratio ;
-// emcRP->AddDigit( *digit, eDigit ) ;
-// }
-// }
-
-// delete[] fitparameters ;
-// delete[] efit ;
-
}
//_____________________________________________________________________________
-void AliEMCALClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag)
+void AliEMCALClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad,
+ Double_t & fret,
+ Double_t * x, Int_t iflag)
{
// Calculates the Chi square for the cluster unfolding minimization
// Number of parameters, Gradient, Chi squared, parameters, what to do
- abort() ;
- // Fatal("AliEMCALClusterizerv1::UnfoldingChiSquare","-->Unfolding not implemented") ;
+ TList * toMinuit = dynamic_cast<TList*>( gMinuit->GetObjectFit() ) ;
-// TList * toMinuit = (TList*) gMinuit->GetObjectFit() ;
+ AliEMCALRecPoint * recPoint = dynamic_cast<AliEMCALRecPoint*>( toMinuit->At(0) ) ;
+ TClonesArray * digits = dynamic_cast<TClonesArray*>( toMinuit->At(1) ) ;
+ // A bit buggy way to get an access to the geometry
+ // To be revised!
+ AliEMCALGeometry *geom = dynamic_cast<AliEMCALGeometry *>(toMinuit->At(2));
-// AliEMCALTowerRecPoint * emcRP = (AliEMCALTowerRecPoint*) toMinuit->At(0) ;
-// TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ;
+ Int_t * digitsList = recPoint->GetDigitsList() ;
+ Int_t nOdigits = recPoint->GetDigitsMultiplicity() ;
-
-// // AliEMCALTowerRecPoint * emcRP = (AliEMCALTowerRecPoint *) gMinuit->GetObjectFit() ; // TowerRecPoint to fit
+ Float_t * energiesList = recPoint->GetEnergiesList() ;
-// Int_t * emcDigits = emcRP->GetDigitsList() ;
+ fret = 0. ;
+ Int_t iparam ;
-// Int_t nOdigits = emcRP->GetDigitsMultiplicity() ;
+ if(iflag == 2)
+ for(iparam = 0 ; iparam < nPar ; iparam++)
+ Grad[iparam] = 0 ; // Will evaluate gradient
-// Float_t * emcEnergies = emcRP->GetEnergiesList() ;
+ Double_t efit ;
-// const AliEMCALGeometry * geom = AliEMCALGetter::GetInstance()->EMCALGeometry() ;
-// fret = 0. ;
-// Int_t iparam ;
+ AliEMCALDigit * digit ;
+ Int_t iDigit ;
-// if(iflag == 2)
-// for(iparam = 0 ; iparam < nPar ; iparam++)
-// Grad[iparam] = 0 ; // Will evaluate gradient
-
-// Double_t efit ;
-
-// AliEMCALDigit * digit ;
-// Int_t iDigit ;
-
-// for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) {
-
-// digit = (AliEMCALDigit*) digits->At( emcDigits[iDigit] ) ;
-
-// Int_t relid[4] ;
-// Float_t xDigit ;
-// Float_t zDigit ;
-
-// geom->AbsToRelNumbering(digit->GetId(), relid) ;
-
-// geom->RelPosInModule(relid, xDigit, zDigit) ;
-
-// if(iflag == 2){ // calculate gradient
-// Int_t iParam = 0 ;
-// efit = 0 ;
-// while(iParam < nPar ){
-// Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ;
-// iParam++ ;
-// distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ;
-// distance = TMath::Sqrt( distance ) ;
-// iParam++ ;
-// efit += x[iParam] * ShowerShape(distance) ;
-// iParam++ ;
-// }
-// Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E)
-// iParam = 0 ;
-// while(iParam < nPar ){
-// Double_t xpar = x[iParam] ;
-// Double_t zpar = x[iParam+1] ;
-// Double_t epar = x[iParam+2] ;
-// Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) );
-// Double_t shape = sum * ShowerShape(dr) ;
-// Double_t r4 = dr*dr*dr*dr ;
-// Double_t r295 = TMath::Power(dr,2.95) ;
-// Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) +
-// 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ;
-
-// Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x
-// iParam++ ;
-// Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z
-// iParam++ ;
-// Grad[iParam] += shape ; // Derivative over energy
-// iParam++ ;
-// }
-// }
-// efit = 0;
-// iparam = 0 ;
-
-// while(iparam < nPar ){
-// Double_t xpar = x[iparam] ;
-// Double_t zpar = x[iparam+1] ;
-// Double_t epar = x[iparam+2] ;
-// iparam += 3 ;
-// Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ;
-// distance = TMath::Sqrt(distance) ;
-// efit += epar * ShowerShape(distance) ;
-// }
-
-// fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ;
-// // Here we assume, that sigma = sqrt(E)
-// }
+ for( iDigit = 0 ; iDigit < nOdigits ; iDigit++) {
+
+ digit = dynamic_cast<AliEMCALDigit*>( digits->At( digitsList[iDigit] ) );
+
+ Double_t xDigit=0 ;
+ Double_t zDigit=0 ;
+ Double_t yDigit=0 ;//not used yet, assumed to be 0
+
+ geom->RelPosCellInSModule(digit->GetId(), yDigit, xDigit, zDigit);
+
+ if(iflag == 2){ // calculate gradient
+ Int_t iParam = 0 ;
+ efit = 0 ;
+ while(iParam < nPar ){
+ Double_t dx = (xDigit - x[iParam]) ;
+ iParam++ ;
+ Double_t dz = (zDigit - x[iParam]) ;
+ iParam++ ;
+ efit += x[iParam] * ShowerShape(dx,dz) ;
+ iParam++ ;
+ }
+ Double_t sum = 2. * (efit - energiesList[iDigit]) / energiesList[iDigit] ; // Here we assume, that sigma = sqrt(E)
+ iParam = 0 ;
+ while(iParam < nPar ){
+ Double_t xpar = x[iParam] ;
+ Double_t zpar = x[iParam+1] ;
+ Double_t epar = x[iParam+2] ;
+ Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) );
+ Double_t shape = sum * ShowerShape(xDigit - xpar,zDigit - zpar) ;
+ Double_t r133 = TMath::Power(dr, 1.33);
+ Double_t r669 = TMath::Power(dr,6.69);
+ Double_t deriv =-1.33 * TMath::Power(dr,0.33)*dr * ( 1.57 / ( (1.57 + 0.0860 * r133) * (1.57 + 0.0860 * r133) )
+ - 0.55 / (1 + 0.000563 * r669) / ( (1 + 0.000563 * r669) * (1 + 0.000563 * r669) ) ) ;
+
+ Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x
+ iParam++ ;
+ Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z
+ iParam++ ;
+ Grad[iParam] += shape ; // Derivative over energy
+ iParam++ ;
+ }
+ }
+ efit = 0;
+ iparam = 0 ;
-}
+ while(iparam < nPar ){
+ Double_t xpar = x[iparam] ;
+ Double_t zpar = x[iparam+1] ;
+ Double_t epar = x[iparam+2] ;
+ iparam += 3 ;
+ efit += epar * ShowerShape(xDigit - xpar,zDigit - zpar) ;
+ }
+
+ fret += (efit-energiesList[iDigit])*(efit-energiesList[iDigit])/energiesList[iDigit] ;
+ // Here we assume, that sigma = sqrt(E)
+ }
+}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::Print(Option_t * option)const
+void AliEMCALClusterizerv1::Print(Option_t * /*option*/)const
{
// Print clusterizer parameters
+ TString message("\n") ;
+
if( strcmp(GetName(), "") !=0 ){
// Print parameters
- TString taskName(GetName()) ;
- taskName.ReplaceAll(Version(), "") ;
-
- cout << "---------------"<< taskName.Data() << " " << GetTitle()<< "-----------" << endl
- << "Clusterizing digits from the file: " << fHeaderFileName.Data() << endl
- << " Branch: " << fDigitsBranchTitle.Data() << endl
- << endl
- << " EMC Clustering threshold = " << fTowerClusteringThreshold << endl
- << " EMC Local Maximum cut = " << fTowerLocMaxCut << endl
- << " EMC Logarothmic weight = " << fW0 << endl
- << endl
- << " CPV Clustering threshold = " << fPreShoClusteringThreshold << endl
- << " CPV Local Maximum cut = " << fPreShoLocMaxCut << endl
- << " CPV Logarothmic weight = " << fW0CPV << endl
- << endl ;
+ TString taskName(Version()) ;
+
+ printf("--------------- ");
+ printf("%s",taskName.Data()) ;
+ printf(" ");
+ printf("Clusterizing digits: ");
+ printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
+ printf("\n ECA Logarithmic weight = %f", fECAW0);
if(fToUnfold)
- cout << " Unfolding on " << endl ;
+ printf("\nUnfolding on\n");
else
- cout << " Unfolding off " << endl ;
+ printf("\nUnfolding off\n");
- cout << "------------------------------------------------------------------" <<endl ;
+ printf("------------------------------------------------------------------");
}
else
- cout << " AliEMCALClusterizerv1 not initialized " << endl ;
+ printf("AliEMCALClusterizerv1 not initialized ") ;
}
+
//____________________________________________________________________________
void AliEMCALClusterizerv1::PrintRecPoints(Option_t * option)
{
// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
-
- TObjArray * towerRecPoints = AliEMCALGetter::GetInstance()->TowerRecPoints() ;
- TObjArray * preshoRecPoints = AliEMCALGetter::GetInstance()->PreShowerRecPoints() ;
-
- cout << "AliEMCALClusterizerv1: : event "<<gAlice->GetEvNumber() << endl ;
- cout << " Found "<< towerRecPoints->GetEntriesFast() << " TOWER Rec Points and "
- << preshoRecPoints->GetEntriesFast() << " PRE SHOWER RecPoints" << endl ;
-
- fRecPointsInRun += towerRecPoints->GetEntriesFast() ;
- fRecPointsInRun += preshoRecPoints->GetEntriesFast() ;
+ if(strstr(option,"deb")) {
+ printf("PrintRecPoints: Clusterization result:") ;
+
+ printf(" Found %d ECA Rec Points\n ",
+ fRecPoints->GetEntriesFast()) ;
+ }
if(strstr(option,"all")) {
-
- cout << "Tower clusters " << endl ;
- cout << " Index Ene(MeV) Multi Module phi r theta Lambda 1 Lambda 2 # of prim Primaries list " << endl;
-
- Int_t index ;
- for (index = 0 ; index < towerRecPoints->GetEntries() ; index++) {
- AliEMCALTowerRecPoint * rp = dynamic_cast<AliEMCALTowerRecPoint * >(towerRecPoints->At(index)) ;
- TVector3 globalpos;
- rp->GetGlobalPosition(globalpos);
- Float_t lambda[2];
- rp->GetElipsAxis(lambda);
- Int_t * primaries;
- Int_t nprimaries;
- primaries = rp->GetPrimaries(nprimaries);
-
- cout << setw(4) << rp->GetIndexInList() << " "
- << setw(7) << setprecision(3) << rp->GetEnergy() << " "
- << setw(3) << rp->GetMultiplicity() << " "
- << setw(1) << rp->GetEMCALArm() << " "
- << setw(5) << setprecision(4) << globalpos.X() << " "
- << setw(5) << setprecision(4) << globalpos.Y() << " "
- << setw(5) << setprecision(4) << globalpos.Z() << " "
- << setw(4) << setprecision(2) << lambda[0] << " "
- << setw(4) << setprecision(2) << lambda[1] << " "
- << setw(2) << nprimaries << " " ;
-
- for (Int_t iprimary=0; iprimary<nprimaries; iprimary++)
- cout << setw(4) << primaries[iprimary] << " " ;
- cout << endl ;
+ 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;
- //Now plot Pre shower recPoints
-
- cout << "-----------------------------------------------------------------------"<<endl ;
-
- cout << "PreShower clusters " << endl ;
- cout << " Index Ene(MeV) Multi Module phi r theta Lambda 1 Lambda 2 # of prim Primaries list " << endl;
-
- for (index = 0 ; index < preshoRecPoints->GetEntries() ; index++) {
- AliEMCALTowerRecPoint * rp = dynamic_cast<AliEMCALTowerRecPoint *>(preshoRecPoints->At(index)) ;
+ for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
+ AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
TVector3 globalpos;
- rp->GetGlobalPosition(globalpos);
+ //rp->GetGlobalPosition(globalpos);
+ TVector3 localpos;
+ rp->GetLocalPosition(localpos);
Float_t lambda[2];
rp->GetElipsAxis(lambda);
Int_t * primaries;
Int_t nprimaries;
primaries = rp->GetPrimaries(nprimaries);
-
- cout << setw(4) << rp->GetIndexInList() << " "
- << setw(7) << setprecision(3) << rp->GetEnergy() << " "
- << setw(3) << rp->GetMultiplicity() << " "
- << setw(1) << rp->GetEMCALArm() << " "
- << setw(5) << setprecision(4) << globalpos.X() << " "
- << setw(5) << setprecision(4) << globalpos.Y() << " "
- << setw(5) << setprecision(4) << globalpos.Z() << " "
- << setw(4) << setprecision(2) << lambda[0] << " "
- << setw(4) << setprecision(2) << lambda[1] << " "
- << setw(2) << nprimaries << " " ;
-
- for (Int_t iprimary=0; iprimary<nprimaries; iprimary++)
- cout << setw(4) << primaries[iprimary] << " " ;
- cout << endl ;
+ 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) ;
+ if(strstr(option,"deb")){
+ for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
+ printf("%d ", primaries[iprimary] ) ;
+ }
+ }
}
- cout << "-----------------------------------------------------------------------"<<endl ;
+ if(strstr(option,"deb"))
+ printf("\n-----------------------------------------------------------------------\n");
}
}
+//___________________________________________________________________
+void AliEMCALClusterizerv1::PrintRecoInfo()
+{
+ printf(" AliEMCALClusterizerv1::PrintRecoInfo() : version %s \n", Version() );
+
+}