/* $Id$ */
-//*-- 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 "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 "AliEMCALClusterizerv1.h"
-#include "AliEMCALTowerRecPoint.h"
+#include "AliEMCALRecPoint.h"
#include "AliEMCALDigit.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCAL.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)
+ // ctor with the indication of the file where header Tree and digits Tree are stored
- InitParameters() ;
- fDefaultInit = kTRUE ;
+ Init() ;
}
//____________________________________________________________________________
-AliEMCALClusterizerv1::AliEMCALClusterizerv1(const TString alirunFileName, const TString eventFolderName)
-:AliEMCALClusterizer(alirunFileName, eventFolderName)
+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
-
- InitParameters() ;
- Init() ;
- fDefaultInit = kFALSE ;
+ // use this contructor to avoid usage of Init() which uses runloader
+ // change needed by HLT - MP
+
+ // 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() ;
+ //
+
+ if (!fGeom)
+ {
+ AliFatal("Geometry not initialized.");
+ }
+
+ if(!gMinuit)
+ gMinuit = new TMinuit(100) ;
}
//____________________________________________________________________________
- AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
+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.)
{
- // dtor
-
+ // ctor, geometry and calibration are initialized elsewhere.
+
+ if (!fGeom)
+ AliFatal("Geometry not initialized.");
+
+ if(!gMinuit)
+ gMinuit = new TMinuit(100) ;
+
}
-//____________________________________________________________________________
-const TString AliEMCALClusterizerv1::BranchName() const
-{
- return GetName();
+//____________________________________________________________________________
+ AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
+{
+ // dtor
}
//____________________________________________________________________________
-Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t where) const
+Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t AbsId)
{
- //To be replased later by the method, reading individual parameters from the database
- // where = 0 == PRE ; where = 1 == ECAL ; where = 2 == HCAL
- if ( where == 0 ) // calibrate as PRE section
- return -fADCpedestalPRE + amp * fADCchannelPRE ;
- else if (where == 1) //calibrate as ECA section
- return -fADCpedestalECA + amp * fADCchannelECA ;
- else if (where == 2) //calibrate as HCA section
- return -fADCpedestalHCA + amp * fADCchannelHCA ;
- else
- Fatal("Calibrate", "Something went wrong!") ;
- return -9999999. ;
+
+ // 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
+ // 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() ;
-
- Int_t nevents = gime->MaxEvent() ;
- Int_t ievent ;
-
- for(ievent = 0; ievent < nevents; ievent++){
- gime->Event(ievent,"D") ;
+ fNumberOfECAClusters = 0;
- GetCalibrationParameters() ;
+ MakeClusters() ; //only the real clusters
- fNumberOfPREClusters = fNumberOfECAClusters = fNumberOfHCAClusters = 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 += gime->PRERecPoints()->GetEntriesFast() ;
- fRecPointsInRun += gime->ECARecPoints()->GetEntriesFast() ;
- fRecPointsInRun += gime->HCARecPoints()->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");
- Info("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"));
+ }
}
//____________________________________________________________________________
-Bool_t AliEMCALClusterizerv1::FindFit(AliEMCALTowerRecPoint * emcRP, AliEMCALDigit ** 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::Instance() ;
- 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 = 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){
- Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : x = %f", x ) ;
+ 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){
- Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : z = %f", z) ;
+ 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){
- Error("FindFit", "EMCAL Unfolding Unable to set initial value for fit procedure : energy = %f", energy) ;
+ 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
- Error("FindFit", "EMCAL Unfolding Fit not converged, cluster abandoned " ) ;
+ 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::Instance() ;
-
- if ( !gime->Digitizer() )
- gime->LoadDigitizer();
- AliEMCALDigitizer * dig = gime->Digitizer();
-
- fADCchannelPRE = dig->GetPREchannel() ;
- fADCpedestalPRE = dig->GetPREpedestal() ;
-
- fADCchannelECA = dig->GetECAchannel() ;
- fADCpedestalECA = dig->GetECApedestal();
-
- fADCchannelHCA = dig->GetHCAchannel() ;
- fADCpedestalHCA = dig->GetHCApedestal();
+ // 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!");
+
}
//____________________________________________________________________________
// 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::Instance();
+ if (rl->GetAliRun() && rl->GetAliRun()->GetDetector("EMCAL"))
+ fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
+ else
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
- AliEMCALGeometry * geom = gime->EMCALGeometry() ;
+ AliDebug(1,Form("geom 0x%x",fGeom));
- fNTowers = geom->GetNZ() * geom->GetNPhi() ;
if(!gMinuit)
gMinuit = new TMinuit(100) ;
- if ( !gime->Clusterizer() )
- gime->PostClusterizer(this);
}
//____________________________________________________________________________
void AliEMCALClusterizerv1::InitParameters()
-{
- fNumberOfPREClusters = fNumberOfECAClusters = fNumberOfHCAClusters = 0 ;
- fPREClusteringThreshold = 0.0001; // must be adjusted according to the noise leve set by digitizer
- fECAClusteringThreshold = 0.0045; // must be adjusted according to the noise leve set by digitizer
- fHCAClusteringThreshold = 0.001; // must be adjusted according to the noise leve set by digitizer
- fPRELocMaxCut = 0.03 ;
- fECALocMaxCut = 0.03 ;
- fHCALocMaxCut = 0.03 ;
-
- fPREW0 = 4.0 ;
- fECAW0 = 4.5 ;
- fHCAW0 = 4.5 ;
+{
+ // 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));
+ }
- fTimeGate = 1.e-8 ;
-
- fToUnfold = kFALSE ;
-
- fRecPointsInRun = 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[4] ;
- geom->AbsToRelNumbering(d1->GetId(), relid1) ;
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2);
- Int_t relid2[4] ;
- geom->AbsToRelNumbering(d2->GetId(), relid2) ;
+ rowdiff = TMath::Abs(iphi1 - iphi2);
+ coldiff = TMath::Abs(ieta1 - ieta2) ;
- if ( (relid1[0] == relid2[0]) && // inside the same EMCAL Arm
- (relid1[1]==relid2[1]) ) { // and same tower section
- 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
- }
-
- }
- else {
-
- if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) )
- rv=0 ;
- }
-
- if (gDebug == 2 )
- Info("AreNeighbours", "neighbours=%d, id1=%d, relid1=%d,%d,%d,%d \n id2=%d, relid2=%d,%d,%d,%d",
- rv, d1->GetId(), relid1[0], relid1[1], relid1[2], relid1[3],
- d2->GetId(), relid2[0], relid2[1], relid2[2], relid2[3]) ;
+ // 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",
+ rv, d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2);
return rv ;
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::Unload()
-{
- AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
- gime->EmcalLoader()->UnloadDigits() ;
- gime->EmcalLoader()->UnloadRecPoints() ;
-}
-
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::WriteRecPoints()
+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.
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
- AliEMCALGetter *gime = AliEMCALGetter::Instance() ;
+ fRecPoints->Clear();
- TObjArray * aPRERecPoints = gime->PRERecPoints() ;
- TObjArray * aECARecPoints = gime->ECARecPoints() ;
- TObjArray * aHCARecPoints = gime->HCARecPoints() ;
+ // 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 = gime->Digits() ;
- TTree * treeR = gime->TreeR(); ;
-
- Int_t index ;
+ double e = 0.0, ehs = 0.0;
+ TIter nextdigitC(digitsC);
- //Evaluate position, dispersion and other RecPoint properties for PRE section
- for(index = 0; index < aPRERecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALRecPoint *>(aPRERecPoints->At(index)))->EvalAll(fPREW0,digits) ;
- aPRERecPoints->Sort() ;
-
- for(index = 0; index < aPRERecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALRecPoint *>(aPRERecPoints->At(index)))->SetIndexInList(index) ;
-
- aPRERecPoints->Expand(aPRERecPoints->GetEntriesFast()) ;
-
- //Evaluate position, dispersion and other RecPoint properties for EC section
- for(index = 0; index < aECARecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALTowerRecPoint *>(aECARecPoints->At(index)))->EvalAll(fECAW0,digits) ;
-
- aECARecPoints->Sort() ;
+ 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));
- for(index = 0; index < aECARecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALTowerRecPoint *>(aECARecPoints->At(index)))->SetIndexInList(index) ;
+ nextdigitC.Reset();
- aECARecPoints->Expand(aECARecPoints->GetEntriesFast()) ;
-
- //Evaluate position, dispersion and other RecPoint properties for HCA section
- for(index = 0; index < aHCARecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALTowerRecPoint *>(aHCARecPoints->At(index)))->EvalAll(fHCAW0,digits) ;
-
- aHCARecPoints->Sort() ;
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
+ TArrayI clusterECAdigitslist(fDigitsArr->GetEntries());
- for(index = 0; index < aHCARecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALTowerRecPoint *>(aHCARecPoints->At(index)))->SetIndexInList(index) ;
+ 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) ;
- aHCARecPoints->Expand(aHCARecPoints->GetEntriesFast()) ;
-
- Int_t bufferSize = 32000 ;
- Int_t splitlevel = 0 ;
-
- //PRE section branch
- TBranch * branchPRE = treeR->Branch("EMCALPRERP","TObjArray",&aPRERecPoints,bufferSize,splitlevel);
- branchPRE->SetTitle(BranchName());
+ AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
+ fRecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)) ;
+ fNumberOfECAClusters++ ;
- //EC section branch
- TBranch * branchECA = treeR->Branch("EMCALECARP","TObjArray",&aECARecPoints,bufferSize,splitlevel);
- branchECA->SetTitle(BranchName());
+ recPoint->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
- //HCA section branch
- TBranch * branchHCA = treeR->Branch("EMCALHCARP","TObjArray",&aHCARecPoints,bufferSize,splitlevel);
- branchHCA->SetTitle(BranchName());
+ recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
+ TObjArray clusterDigits;
+ clusterDigits.AddLast(digit);
+ digitsC->Remove(digit) ;
- branchPRE->Fill() ;
- branchECA->Fill() ;
- branchHCA->Fill() ;
+ AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(),
+ Calibrate(digit->GetAmp(),digit->GetId()), fECAClusteringThreshold));
+
+ // 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
- gime->WriteRecPoints("OVERWRITE");
- gime->WriteClusterizer("OVERWRITE");
+ delete digitsC ;
+
+ AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,fDigitsArr->GetEntriesFast()));
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::MakeClusters()
+void AliEMCALClusterizerv1::MakeUnfolding()
{
- // 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() ;
-
- AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-
-
- TObjArray * aPRERecPoints = gime->PRERecPoints() ;
- TObjArray * aECARecPoints = gime->ECARecPoints() ;
- TObjArray * aHCARecPoints = gime->HCARecPoints() ;
-
- aPRERecPoints->Delete() ;
- aECARecPoints->Delete() ;
- aHCARecPoints->Delete() ;
-
- TClonesArray * digits = gime->Digits() ;
+ // Unfolds clusters using the shape of an ElectroMagnetic shower
+ // Performs unfolding of all clusters
- TIter next(digits) ;
- AliEMCALDigit * digit ;
- Int_t ndigECA=0, ndigPRE=0, ndigHCA=0 ;
+ if(fNumberOfECAClusters > 0){
+ if (fGeom==0)
+ AliFatal("Did not get geometry from EMCALLoader") ;
+ Int_t nModulesToUnfold = fGeom->GetNCells();
- // count the number of digits in ECA section
- while ( (digit = dynamic_cast<AliEMCALDigit *>(next())) ) { // scan over the list of digits
- if (geom->IsInECA(digit->GetId()))
- ndigECA++ ;
- else if (geom->IsInPRE(digit->GetId()))
- ndigPRE++;
- else if (geom->IsInHCA(digit->GetId()))
- ndigHCA++;
- else {
- Error("MakeClusters", "id = %d is a wrong ID!", digit->GetId()) ;
- abort() ;
- }
- }
-
- // add amplitude of PRE and ECA sections
- Int_t digECA ;
- for (digECA = 0 ; digECA < ndigECA ; digECA++) {
- digit = dynamic_cast<AliEMCALDigit *>(digits->At(digECA)) ;
- Int_t digPRE ;
- for (digPRE = ndigECA ; digPRE < ndigECA+ndigPRE ; digPRE++) {
- AliEMCALDigit * digitPRE = dynamic_cast<AliEMCALDigit *>(digits->At(digPRE)) ;
- if ( geom->AreInSameTower(digit->GetId(), digitPRE->GetId()) ){
- Float_t amp = static_cast<Float_t>(digit->GetAmp()) + geom->GetSummationFraction() * static_cast<Float_t>(digitPRE->GetAmp()) + 0.5 ;
- digit->SetAmp(static_cast<Int_t>(amp)) ;
- break ;
+ 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
}
- }
- if (gDebug)
- Info("MakeClusters","id = %d amp = %d", digit->GetId(), digit->GetAmp()) ;
- }
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone()) ;
-
-
- // Clusterization starts
-
- TIter nextdigit(digitsC) ;
- Bool_t notremovedECA = kTRUE, notremovedPRE = kTRUE ;
-
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
- AliEMCALRecPoint * clu = 0 ;
-
- TArrayI clusterPREdigitslist(50), clusterECAdigitslist(50), clusterHCAdigitslist(50);
-
- Bool_t inPRE = kFALSE, inECA = kFALSE, inHCA = kFALSE ;
- if( geom->IsInPRE(digit->GetId()) ) {
- inPRE = kTRUE ;
- }
- else if( geom->IsInECA(digit->GetId()) ) {
- inECA = kTRUE ;
+ delete[] maxAt ;
+ delete[] maxAtEnergy ;
}
- else if( geom->IsInHCA(digit->GetId()) ) {
- inHCA = kTRUE ;
- }
-
- if (gDebug == 2) {
- if (inPRE)
- Info("MakeClusters","id = %d, ene = %f , thre = %f ",
- digit->GetId(),Calibrate(digit->GetAmp(), 0), fPREClusteringThreshold) ;
- if (inECA)
- Info("MakeClusters","id = %d, ene = %f , thre = %f",
- digit->GetId(),Calibrate(digit->GetAmp(), 1), fECAClusteringThreshold) ;
- if (inHCA)
- Info("MakeClusters","id = %d, ene = %f , thre = %f",
- digit->GetId(),Calibrate(digit->GetAmp(), 2), fHCAClusteringThreshold ) ;
- }
-
- if ( (inPRE && (Calibrate(digit->GetAmp(), 0) > fPREClusteringThreshold )) ||
- (inECA && (Calibrate(digit->GetAmp(), 1) > fECAClusteringThreshold )) ||
- (inHCA && (Calibrate(digit->GetAmp(), 2) > fHCAClusteringThreshold )) ) {
-
- Int_t iDigitInPRECluster = 0, iDigitInECACluster = 0, iDigitInHCACluster = 0;
- Int_t where ; // PRE = 0, ECAl = 1, HCAL = 2
-
- // Find the seed in each of the section ECAL/PRE/HCAL
-
- if( geom->IsInECA(digit->GetId()) ) {
- where = 1 ; // to tell we are in ECAL
- // start a new Tower RecPoint
- if(fNumberOfECAClusters >= aECARecPoints->GetSize())
- aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
- AliEMCALTowerRecPoint * rp = new AliEMCALTowerRecPoint("") ;
- rp->SetECA() ;
- aECARecPoints->AddAt(rp, fNumberOfECAClusters) ;
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
- fNumberOfECAClusters++ ;
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(), where)) ;
- clusterECAdigitslist[iDigitInECACluster] = digit->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digit) ;
- if (gDebug == 2 )
- Info("MakeClusters","OK id = %d, ene = %f , thre = %f ", digit->GetId(),Calibrate(digit->GetAmp(), 1), fECAClusteringThreshold) ;
-
- }
- else if( geom->IsInPRE(digit->GetId()) ) {
- where = 0 ; // to tell we are in PRE
- // start a new Pre Shower cluster
- if(fNumberOfPREClusters >= aPRERecPoints->GetSize())
- aPRERecPoints->Expand(2*fNumberOfPREClusters+1);
- AliEMCALTowerRecPoint * rp = new AliEMCALTowerRecPoint("") ;
- rp->SetPRE() ;
- aPRERecPoints->AddAt(rp, fNumberOfPREClusters) ;
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(aPRERecPoints->At(fNumberOfPREClusters)) ;
- fNumberOfPREClusters++ ;
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(), where));
- clusterPREdigitslist[iDigitInPRECluster] = digit->GetIndexInList() ;
- iDigitInPRECluster++ ;
- digitsC->Remove(digit) ;
- if (gDebug == 2 )
- Info("MakeClusters","OK id = %d, ene = %f , thre = %f ", digit->GetId(),Calibrate(digit->GetAmp(), 0), fPREClusteringThreshold) ;
-
- nextdigit.Reset() ;
-
- // Here we remove remaining ECA digits, which cannot make a cluster
-
- if( notremovedECA ) {
- while( ( digit = dynamic_cast<AliEMCALDigit *>(nextdigit()) ) ) {
- if( geom->IsInECA(digit->GetId()) )
- digitsC->Remove(digit) ;
- else
- break ;
- }
- notremovedECA = kFALSE ;
- }
-
- }
- else if( geom->IsInHCA(digit->GetId()) ) {
- where = 2 ; // to tell we are in HCAL
- // start a new HCAL cluster
- if(fNumberOfHCAClusters >= aHCARecPoints->GetSize())
- aHCARecPoints->Expand(2*fNumberOfHCAClusters+1);
- AliEMCALTowerRecPoint * rp = new AliEMCALTowerRecPoint("") ;
- rp->SetHCA() ;
- aHCARecPoints->AddAt(rp, fNumberOfHCAClusters) ;
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(aHCARecPoints->At(fNumberOfHCAClusters)) ;
- fNumberOfHCAClusters++ ;
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(), where));
- clusterHCAdigitslist[iDigitInHCACluster] = digit->GetIndexInList() ;
- iDigitInHCACluster++ ;
- digitsC->Remove(digit) ;
- if (gDebug == 2 )
- Info("MakeClusters","OK id = %d, ene = %f , thre = %f ", digit->GetId(),Calibrate(digit->GetAmp(), 2), fHCAClusteringThreshold) ;
-
- nextdigit.Reset() ;
-
- // Here we remove remaining PRE digits, which cannot make a cluster
-
- if( notremovedPRE ) {
- while( ( digit = dynamic_cast<AliEMCALDigit *>(nextdigit()) ) ) {
- if( geom->IsInPRE(digit->GetId()) )
- digitsC->Remove(digit) ;
- else
- break ;
- }
- notremovedPRE = kFALSE ;
- }
- }
-
- nextdigit.Reset() ;
-
- AliEMCALDigit * digitN ;
- Int_t index = 0 ;
-
- // Do the Clustering in each of the three section ECAL/PRE/HCAL
-
- 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
- Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!!
- // Info("MakeClusters","id1 = %d, id2 = %d , neighbours = %d", digit->GetId(), digitN->GetId(), ineb) ;
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), 1) ) ;
- 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
-
- index = 0 ;
- while (index < iDigitInPRECluster){ // scan over digits already in cluster
- digit = (AliEMCALDigit*)digits->At(clusterPREdigitslist[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 !!!!!
- // Info("MakeClusters","id1 = %d, id2 = %d , neighbours = %d", digit->GetId(), digitN->GetId(), ineb) ;
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), 0) ) ;
- clusterPREdigitslist[iDigitInPRECluster] = digitN->GetIndexInList() ;
- iDigitInPRECluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // too far from each other
- goto endofloop2;
- } // switch
-
- } // while digitN
-
- endofloop2: ;
- nextdigit.Reset() ;
- } // loop over PRE cluster
-
- index = 0 ;
- while (index < iDigitInHCACluster){ // scan over digits already in cluster
- digit = (AliEMCALDigit*)digits->At(clusterHCAdigitslist[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 !!!!!
- //Info("MakeClusters","id1 = %d, id2 = %d , neighbours = %d", digit->GetId(), digitN->GetId(), ineb) ;
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), 2) ) ;
- clusterHCAdigitslist[iDigitInHCACluster] = digitN->GetIndexInList() ;
- iDigitInHCACluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // too far from each other
- goto endofloop3;
- } // switch
- } // while digitN
-
- endofloop3: ;
- nextdigit.Reset() ;
- } // loop over HCA cluster
-
- } // energy theshold
- } // while digit
- delete digitsC ;
-}
-
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::MakeUnfolding()
-{
- Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
-
+ }
+ // 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*/,
- AliEMCALDigit ** /*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("UnfoldCluster", "--> Unfolding not implemented") ;
+ Int_t nPar = 3 * nMax ;
+ Float_t * fitparameters = new Float_t[nPar] ;
+
+ if (fGeom==0)
+ AliFatal("Did not get geometry from EMCALLoader") ;
+
+ Bool_t rv = FindFit(iniTower, maxAt, maxAtEnergy, nPar, fitparameters) ;
+ if( !rv ) {
+ // Fit failed, return and remove cluster
+ iniTower->SetNExMax(-1) ;
+ delete[] fitparameters ;
+ return ;
+ }
+
+ // 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 ;
}
//_____________________________________________________________________________
-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
-
- ::Fatal("UnfoldingChiSquare","Unfolding not implemented") ;
+
+ TList * toMinuit = dynamic_cast<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));
+
+ Int_t * digitsList = recPoint->GetDigitsList() ;
+
+ Int_t nOdigits = recPoint->GetDigitsMultiplicity() ;
+
+ Float_t * energiesList = recPoint->GetEnergiesList() ;
+
+ fret = 0. ;
+ Int_t iparam ;
+
+ 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 = 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
// Print parameters
- TString taskName(GetName()) ;
- taskName.ReplaceAll(Version(), "") ;
+ TString taskName(Version()) ;
- message += "--------------- " ;
- message += taskName.Data() ;
- message += " " ;
- message += GetTitle() ;
- message += "-----------\n" ;
- message += "Clusterizing digits from the file: " ;
- message += taskName.Data() ;
- message += "\n Branch: " ;
- message += GetName() ;
- message += "\n Pre Shower Clustering threshold = " ;
- message += fPREClusteringThreshold ;
- message += "\n Pre Shower Local Maximum cut = " ;
- message += fPRELocMaxCut ;
- message += "\n Pre Shower Logarothmic weight = " ;
- message += fPREW0 ;
- message += "\n ECA Clustering threshold = " ;
- message += fECAClusteringThreshold ;
- message += "\n ECA Local Maximum cut = " ;
- message += fECALocMaxCut ;
- message += "\n ECA Logarothmic weight = " ;
- message += fECAW0 ;
- message += "\n Pre Shower Clustering threshold = " ;
- message += fHCAClusteringThreshold ;
- message += "\n HCA Local Maximum cut = " ;
- message += fHCALocMaxCut ;
- message += "\n HCA Logarothmic weight = " ;
- message += fHCAW0 ;
+ 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)
- message +="\nUnfolding on\n" ;
+ printf("\nUnfolding on\n");
else
- message += "\nUnfolding off\n";
+ printf("\nUnfolding off\n");
- message += "------------------------------------------------------------------" ;
+ printf("------------------------------------------------------------------");
}
else
- message += "AliEMCALClusterizerv1 not initialized " ;
-
- Info("Print", message.Data() ) ;
+ printf("AliEMCALClusterizerv1 not initialized ") ;
}
//____________________________________________________________________________
void AliEMCALClusterizerv1::PrintRecPoints(Option_t * option)
{
// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
-
- TObjArray * aPRERecPoints = AliEMCALGetter::Instance()->PRERecPoints() ;
- TObjArray * aECARecPoints = AliEMCALGetter::Instance()->ECARecPoints() ;
- TObjArray * aHCARecPoints = AliEMCALGetter::Instance()->HCARecPoints() ;
-
- Info("PrintRecPoints", "Clusterization result:") ;
+ if(strstr(option,"deb")) {
+ printf("PrintRecPoints: Clusterization result:") ;
- printf("event # %d\n", gAlice->GetEvNumber() ) ;
- printf(" Found %d PRE SHOWER RecPoints, %d ECA Rec Points and %d HCA Rec Points\n ",
- aPRERecPoints->GetEntriesFast(), aECARecPoints->GetEntriesFast(), aHCARecPoints->GetEntriesFast() ) ;
+ printf(" Found %d ECA Rec Points\n ",
+ fRecPoints->GetEntriesFast()) ;
+ }
- fRecPointsInRun += aPRERecPoints->GetEntriesFast() ;
- fRecPointsInRun += aECARecPoints->GetEntriesFast() ;
- fRecPointsInRun += aHCARecPoints->GetEntriesFast() ;
-
if(strstr(option,"all")) {
-
- //Pre shower recPoints
-
- printf("-----------------------------------------------------------------------\n") ;
- printf("Clusters in PRE section\n") ;
- printf("Index Ene(GeV) Multi Module phi r theta X Y Z Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
-
- Int_t index ;
-
- for (index = 0 ; index < aPRERecPoints->GetEntries() ; index++) {
- AliEMCALTowerRecPoint * rp = dynamic_cast<AliEMCALTowerRecPoint *>(aPRERecPoints->At(index)) ;
- TVector3 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);
- printf("\n%6d %8.4f %3d %2d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
- rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(), rp->GetEMCALArm(),
- 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] ) ;
- }
- }
-
- 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") ;
-
- for (index = 0 ; index < aECARecPoints->GetEntries() ; index++) {
- AliEMCALTowerRecPoint * rp = dynamic_cast<AliEMCALTowerRecPoint * >(aECARecPoints->At(index)) ;
- TVector3 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);
- printf("\n%6d %8.4f %3d %2d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
- rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(), rp->GetEMCALArm(),
- 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(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;
- printf("\n-----------------------------------------------------------------------\n") ;
- printf("Clusters in HCAL section\n") ;
- printf("Index Ene(GeV) Multi Module phi r theta X Y Z Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
-
- for (index = 0 ; index < aHCARecPoints->GetEntries() ; index++) {
- AliEMCALTowerRecPoint * rp = dynamic_cast<AliEMCALTowerRecPoint * >(aHCARecPoints->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];
Int_t * primaries;
Int_t nprimaries;
primaries = rp->GetPrimaries(nprimaries);
- printf("\n%6d %8.4f %3d %2d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
- rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(), rp->GetEMCALArm(),
+ 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] ) ;
- }
+ rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
+ if(strstr(option,"deb")){
+ for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
+ printf("%d ", primaries[iprimary] ) ;
+ }
+ }
}
+ if(strstr(option,"deb"))
printf("\n-----------------------------------------------------------------------\n");
}
}
+
+//___________________________________________________________________
+void AliEMCALClusterizerv1::PrintRecoInfo()
+{
+ printf(" AliEMCALClusterizerv1::PrintRecoInfo() : version %s \n", Version() );
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff