/* $Id$ */
-//*-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute)
+//-- Author: Yves Schutz (SUBATECH) & Dmitri Peressounko (SUBATECH & Kurchatov Institute)
// August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
// of new IO (à la PHOS)
+// Mar 2007, Aleksei Pavlinov - new algoritmh of pseudo clusters
//////////////////////////////////////////////////////////////////////////////
// Clusterization class. Performs clusterization (collects neighbouring active cells) and
// unfolds the clusters having several local maxima.
// // time - print benchmarking results
// --- ROOT system ---
+#include <cassert>
class TROOT;
#include <TH1.h>
class TSystem;
#include <TBenchmark.h>
#include <TBrowser.h>
+#include <TROOT.h>
// --- Standard library ---
#include "AliRunLoader.h"
#include "AliRun.h"
#include "AliESD.h"
-#include "AliEMCALLoader.h"
#include "AliEMCALClusterizerv1.h"
#include "AliEMCALRecPoint.h"
#include "AliEMCALDigit.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCAL.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALHistoUtilities.h"
+#include "AliEMCALRecParam.h"
+#include "AliEMCALReconstructor.h"
#include "AliCDBManager.h"
-
+#include "AliCaloCalibPedestal.h"
+#include "AliEMCALCalibData.h"
class AliCDBStorage;
#include "AliCDBEntry.h"
ClassImp(AliEMCALClusterizerv1)
//____________________________________________________________________________
- AliEMCALClusterizerv1::AliEMCALClusterizerv1() : AliEMCALClusterizer()
+AliEMCALClusterizerv1::AliEMCALClusterizerv1()
+ : AliEMCALClusterizer(),
+ fGeom(0),
+ fDefaultInit(kFALSE),
+ fToUnfold(kFALSE),
+ fNumberOfECAClusters(0),fCalibData(0),fCaloPed(0),
+ fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+ fECAW0(0.),fTimeCut(1.),fTimeMin(-1.),fTimeMax(1.),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 ;
- fGeom = AliEMCALGeometry::GetInstance();
- fGeom->GetTransformationForSM(); // Global <-> Local
+ 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), fCaloPed(0),
+ fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+ fECAW0(0.),fTimeCut(1.),fTimeMin(-1.),fTimeMax(1.),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.");
+ }
+
}
//____________________________________________________________________________
- AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
+AliEMCALClusterizerv1::AliEMCALClusterizerv1(AliEMCALGeometry* geometry, AliEMCALCalibData * calib, AliCaloCalibPedestal * caloped)
+: AliEMCALClusterizer(),
+fGeom(geometry),
+fDefaultInit(kFALSE),
+fToUnfold(kFALSE),
+fNumberOfECAClusters(0),fCalibData(calib), fCaloPed(caloped),
+fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
+fECAW0(0.),fTimeCut(1.),fTimeMin(-1.),fTimeMax(1.),fMinECut(0.)
{
- // dtor
+ // ctor, geometry and calibration are initialized elsewhere.
+
+ if (!fGeom)
+ AliFatal("Geometry not initialized.");
+
}
+
//____________________________________________________________________________
-const TString AliEMCALClusterizerv1::BranchName() const
-{
- return GetName();
+ AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
+{
+ // dtor
}
//____________________________________________________________________________
-Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t AbsId)
+Float_t AliEMCALClusterizerv1::Calibrate(const Float_t amp, const Float_t time, const Int_t absId)
{
// Convert digitized amplitude into energy.
// or from digitizer parameters for simulated data.
if(fCalibData){
-
- //JLK 13-Mar-2006
- //We now get geometry at a higher level
- //
- // Loader
- // AliRunLoader *rl = AliRunLoader::GetRunLoader();
-
- // Load EMCAL Geomtry
- // rl->LoadgAlice();
- //AliRun * gAlice = rl->GetAliRun();
- //AliEMCAL * emcal = (AliEMCAL*)gAlice->GetDetector("EMCAL");
- //AliEMCALGeometry * geom = emcal->GetGeometry();
if (fGeom==0)
AliFatal("Did not get geometry from EMCALLoader") ;
Int_t iSupMod = -1;
- Int_t nTower = -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, nTower, nIphi, nIeta) ;
- if(!bCell)
- Error("DigitizeEnergy","Wrong cell id number") ;
- fGeom->GetCellPhiEtaIndexInSModule(iSupMod,nTower,nIphi, nIeta,iphi,ieta);
+ 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);
+
+ // Check if channel is bad (dead or hot), in this case return 0.
+ // Gustavo: 15-12-09 In case of RAW data this selection is already done, but not in simulation.
+ // for the moment keep it here but remember to do the selection at the sdigitizer level
+ // and remove it from here
+ Int_t channelStatus = (Int_t)(fCaloPed->GetDeadMap(iSupMod))->GetBinContent(ieta,iphi);
+ if(channelStatus == AliCaloCalibPedestal::kHot || channelStatus == AliCaloCalibPedestal::kDead) {
+ AliDebug(2,Form("Tower from SM %d, ieta %d, iphi %d is BAD : status %d !!!",iSupMod,ieta,iphi, channelStatus));
+ return 0;
+ }
+ //Check if time is too large or too small, indication of a noisy channel, remove in this case
+ if(time > fTimeMax || time < fTimeMin) return 0;
+
fADCchannelECA = fCalibData->GetADCchannel (iSupMod,ieta,iphi);
fADCpedestalECA = fCalibData->GetADCpedestal(iSupMod,ieta,iphi);
- return -fADCpedestalECA + amp * fADCchannelECA ;
+
+ return -fADCpedestalECA + amp * fADCchannelECA ;
}
else //Return energy with default parameters if calibration is not available
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::Exec(Option_t * option)
+void AliEMCALClusterizerv1::Digits2Clusters(Option_t * option)
{
- // Steering method to perform clusterization for events
- // in the range from fFirstEvent to fLastEvent.
- // This range is optionally set by SetEventRange().
- // if fLastEvent=-1 (by default), then process events until the end.
+ // Steering method to perform clusterization for the current event
+ // in AliEMCALLoader
if(strstr(option,"tim"))
gBenchmark->Start("EMCALClusterizer");
if(strstr(option,"print"))
Print("") ;
-
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
-
+
//Get calibration parameters from file or digitizer default values.
GetCalibrationParameters() ;
- if (fLastEvent == -1)
- fLastEvent = rl->GetNumberOfEvents() - 1;
- Int_t nEvents = fLastEvent - fFirstEvent + 1;
-
- Int_t ievent ;
- rl->LoadDigits("EMCAL");
- for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
- rl->GetEvent(ievent);
+ //Get dead channel map from file or digitizer default values.
+ GetCaloCalibPedestal() ;
+
+ fNumberOfECAClusters = 0;
- fNumberOfECAClusters = 0;
+ MakeClusters() ; //only the real clusters
- if(strstr(option,"pseudo"))
- MakeClusters("pseudo") ; //both types
- else
- MakeClusters("") ; //only the real clusters
+ 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) ;
+ //For each rec.point set the distance to the nearest bad crystal
+ dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index))->EvalDistanceToBadChannels(fCaloPed);
+ }
- if(strstr(option,"deb"))
- PrintRecPoints(option) ;
+ fRecPoints->Sort() ;
- //increment the total number of recpoints per run
- fRecPointsInRun += emcalLoader->RecPoints()->GetEntriesFast() ;
+ for(index = 0; index < fRecPoints->GetEntries(); index++) {
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->SetIndexInList(index) ;
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->Print();
}
+
+ fTreeR->Fill();
- Unload();
+ if(strstr(option,"deb") || strstr(option,"all"))
+ PrintRecPoints(option) ;
+
+ AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",fRecPoints->GetEntriesFast()));
+
+ fRecPoints->Delete();
if(strstr(option,"tim")){
gBenchmark->Stop("EMCALClusterizer");
- printf("Exec took %f seconds for Clusterizing %f seconds per event",
- gBenchmark->GetCpuTime("EMCALClusterizer"), gBenchmark->GetCpuTime("EMCALClusterizer")/nEvents );
- }
-
+ printf("Exec took %f seconds for Clusterizing",
+ gBenchmark->GetCpuTime("EMCALClusterizer"));
+ }
}
//____________________________________________________________________________
-Bool_t AliEMCALClusterizerv1::FindFit(AliEMCALRecPoint * 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
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- TClonesArray *digits = emcalLoader->Digits();
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
+
+ if(!gMinuit)
+ gMinuit = new TMinuit(100) ;
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 ;
for(iDigit = 0; iDigit < nDigits; iDigit++){
- digit = maxAt[iDigit];
+ digit = maxAt[iDigit];
+ Double_t x = 0.;
+ Double_t y = 0.;
+ Double_t z = 0.;
- Float_t x = 0.;
- Float_t z = 0.;
- // have to be tune for TRD1; May 31,06
- // Int_t relid[2] ;
- // fGeom->AbsToRelNumbering(digit->GetId(), relid) ; // obsolete method
- // fGeom->PosInAlice(relid, x, z) ; // obsolete method
+ 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;
// AliCDBStorage* storage = AliCDBManager::Instance()->GetStorage("local://CalibDB");
//Check if calibration is stored in data base
- if(AliCDBManager::Instance()->IsDefaultStorageSet()){
- AliCDBEntry *entry = (AliCDBEntry*)
- AliCDBManager::Instance()->Get("EMCAL/Calib/Data");
- if (entry) fCalibData = (AliEMCALCalibData*) entry->GetObject();
- }
- if(!fCalibData)
- {
- //If calibration is not available use default parameters
- //Loader
- AliEMCALLoader *emcalLoader =
- dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- if ( !emcalLoader->Digitizer() )
- emcalLoader->LoadDigitizer();
- AliEMCALDigitizer * dig = dynamic_cast<AliEMCALDigitizer*>(emcalLoader->Digitizer());
-
- fADCchannelECA = dig->GetECAchannel() ;
- fADCpedestalECA = dig->GetECApedestal();
- }
+
+ 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::GetCaloCalibPedestal()
+{
+ // 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(!fCaloPed)
+ {
+ AliCDBEntry *entry = (AliCDBEntry*)
+ AliCDBManager::Instance()->Get("EMCAL/Calib/Pedestals");
+ if (entry) fCaloPed = (AliCaloCalibPedestal*) entry->GetObject();
+ }
+
+ if(!fCaloPed)
+ AliFatal("Pedestal info 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
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
- fGeom = dynamic_cast<AliEMCAL*>(rl->GetAliRun()->GetDetector("EMCAL"))->GetGeometry();
- fGeom->GetTransformationForSM(); // Global <-> Local
- AliInfo(Form("geom 0x%x",fGeom));
+ 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());
+
+ AliDebug(1,Form("geom %p",fGeom));
if(!gMinuit)
gMinuit = new TMinuit(100) ;
- fHists = BookHists();
}
//____________________________________________________________________________
// Initializes the parameters for the Clusterizer
fNumberOfECAClusters = 0;
- fNTowerInGroup = 36; //Produces maximum of 80 pseudoclusters per event
-
- fECAClusteringThreshold = 0.5; // value obtained from Alexei
- fECALocMaxCut = 0.03; // ??
-
- fECAW0 = 4.5 ;
- fTimeGate = 1.e-8 ;
- fToUnfold = kFALSE ;
- fRecPointsInRun = 0 ;
- fMinECut = 0.01; // have to be tune
-
fCalibData = 0 ;
+ fCaloPed = 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();
+ fTimeCut = recParam->GetTimeCut();
+ fTimeMin = recParam->GetTimeMin();
+ fTimeMax = recParam->GetTimeMax();
+
+ AliDebug(1,Form("Reconstruction parameters: fECAClusteringThreshold=%.3f GeV, fECAW=%.3f, fMinECut=%.3f GeV, fToUnfold=%d, fECALocMaxCut=%.3f GeV, fTimeCut=%e s,fTimeMin=%e s,fTimeMax=%e s",
+ fECAClusteringThreshold,fECAW0,fMinECut,fToUnfold,fECALocMaxCut,fTimeCut, fTimeMin, fTimeMax));
+ }
+
}
//____________________________________________________________________________
-Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2) const
+Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2, Bool_t & shared) const
{
- // Gives the neighbourness of two digits = 0 are not neighbour but continue searching
- // = 1 are neighbour
- // = 2 is in different SM, quit from searching
- // neighbours are defined as digits having at least a common vertex
- // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster
- // which is compared to a digit (d2) not yet in a cluster
-
- static Int_t rv;
- static Int_t nSupMod1=0, nTower1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
- static Int_t nSupMod2=0, nTower2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
- static Int_t rowdiff, coldiff;
- rv = 0 ;
-
- fGeom->GetCellIndex(d1->GetId(), nSupMod1,nTower1,nIphi1,nIeta1);
- fGeom->GetCellIndex(d2->GetId(), nSupMod2,nTower2,nIphi2,nIeta2);
- if(nSupMod1 != nSupMod2) return 2; // different SM
-
- fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nTower1,nIphi1,nIeta1, iphi1,ieta1);
- fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nTower2,nIphi2,nIeta2, iphi2,ieta2);
-
- rowdiff = TMath::Abs(iphi1 - iphi2);
- coldiff = TMath::Abs(ieta1 - ieta2) ;
-
- if (( coldiff <= 1 ) && ( rowdiff <= 1 )) rv = 1; // neighbours with at least commom vertex
-
- 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 ;
+ // Gives the neighbourness of two digits = 0 are not neighbour ; continue searching
+ // = 1 are neighbour
+ // = 2 is in different SM; continue searching
+ // In case it is in different SM, but same phi rack, check if neigbours at eta=0
+ // neighbours are defined as digits having at least a common side
+ // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster
+ // which is compared to a digit (d2) not yet in a cluster
+
+ static Int_t 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;
+
+ shared = kFALSE;
+
+ fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
+ fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod1,nModule1,nIphi1,nIeta1, iphi1,ieta1);
+ fGeom->GetCellPhiEtaIndexInSModule(nSupMod2,nModule2,nIphi2,nIeta2, iphi2,ieta2);
+
+ //If different SM, check if they are in the same phi, then consider cells close to eta=0 as neighbours; May 2010
+ if(nSupMod1 != nSupMod2 ) {
+ //Check if the 2 SM are in the same PHI position (0,1), (2,3), ...
+ Float_t smPhi1 = fGeom->GetEMCGeometry()->GetPhiCenterOfSM(nSupMod1);
+ Float_t smPhi2 = fGeom->GetEMCGeometry()->GetPhiCenterOfSM(nSupMod2);
+
+ if(!TMath::AreEqualAbs(smPhi1, smPhi2, 1e-3)) return 2; //Not phi rack equal, not neighbours
+
+ // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
+ // C Side impair SM, nSupMod%2=1; A side pair SM nSupMod%2=0
+ if(nSupMod1%2) ieta1+=AliEMCALGeoParams::fgkEMCALCols;
+ else ieta2+=AliEMCALGeoParams::fgkEMCALCols;
+
+ shared = kTRUE; // maybe a shared cluster, we know this later, set it for the moment.
+
+ }//Different SM, same phi
+
+ rowdiff = TMath::Abs(iphi1 - iphi2);
+ coldiff = TMath::Abs(ieta1 - ieta2) ;
+
+ // neighbours with at least common side; May 11, 2007
+ if ((coldiff==0 && TMath::Abs(rowdiff)==1) || (rowdiff==0 && TMath::Abs(coldiff)==1)) {
+ //Diagonal?
+ //if ((coldiff==0 && TMath::Abs(rowdiff==1)) || (rowdiff==0 && TMath::Abs(coldiff==1)) || (TMath::Abs(rowdiff)==1 && TMath::Abs(coldiff==1))) rv = 1;
+
+ if (gDebug == 2)
+ printf("AliEMCALClusterizerv1::AreNeighbours(): id1=%d, (row %d, col %d) ; id2=%d, (row %d, col %d), shared %d \n",
+ d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2, shared);
+
+ return 1;
+ }//Neighbours
+ else {
+ shared = kFALSE;
+ return 2 ;
+ }//Not neighbours
}
//____________________________________________________________________________
-Int_t AliEMCALClusterizerv1::AreInGroup(AliEMCALDigit * d1, AliEMCALDigit * d2) const
+void AliEMCALClusterizerv1::MakeClusters()
{
- // Tells whether two digits fall within the same supermodule and
- // tower grouping. The number of towers in a group is controlled by
- // the parameter nTowersInGroup
- // = 0 are not in same group but continue searching
- // = 1 same group
- // = 2 is in different SM, quit from searching
- // = 3 different tower group, quit from searching
- //
- // The order of d1 and d2 is important: first (d1) should be a digit
- // already in a cluster which is compared to a digit (d2) not yet in a cluster
+ // 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
+
+ if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
- //JLK Question: does the quit from searching assume that the digits
- //are ordered, so that once you are in a different SM, you'll not
- //find another in the list that will match? How about my TowerGroup search?
+ fRecPoints->Clear();
- static Int_t rv;
- static Int_t nSupMod1=0, nTower1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
- static Int_t nSupMod2=0, nTower2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
- static Int_t towerGroup1 = -1, towerGroup2 = -1;
- rv = 0 ;
+ // 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);
+ }
- fGeom->GetCellIndex(d1->GetId(), nSupMod1,nTower1,nIphi1,nIeta1);
- fGeom->GetCellIndex(d2->GetId(), nSupMod2,nTower2,nIphi2,nIeta2);
- if(nSupMod1 != nSupMod2) return 2; // different SM
+ double e = 0.0, ehs = 0.0;
+ TIter nextdigitC(digitsC);
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // clean up digits
+ e = Calibrate(digit->GetAmplitude(), digit->GetTime(),digit->GetId());//Time or TimeR?
+ if ( e < fMinECut) //|| digit->GetTimeR() > fTimeCut ) // time window of cell checked in calibrate
+ digitsC->Remove(digit);
+ else
+ ehs += e;
+ }
+ AliDebug(1,Form("MakeClusters: Number of digits %d -> (e %f), ehs %f\n",
+ fDigitsArr->GetEntries(),fMinECut,ehs));
- static Int_t nTowerInSM = fGeom->GetNCellsInSupMod()/fGeom->GetNCellsInTower();
+ nextdigitC.Reset();
- //figure out which tower grouping each digit belongs to
- for(int it = 0; it < nTowerInSM/fNTowerInGroup; it++) {
- if(nTower1 <= nTowerInSM - it*fNTowerInGroup) towerGroup1 = it;
- if(nTower2 <= nTowerInSM - it*fNTowerInGroup) towerGroup2 = it;
- }
- if(towerGroup1 != towerGroup2) return 3; //different Towergroup
+ while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
+ TArrayI clusterECAdigitslist(fDigitsArr->GetEntries());
- //same SM, same towergroup, we're happy
- if(towerGroup1 == towerGroup2 && towerGroup2 >= 0)
- rv = 1;
+ if(fGeom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmplitude(), digit->GetTime(),digit->GetId()) > fECAClusteringThreshold ) ){
+ // start a new Tower RecPoint
+ if(fNumberOfECAClusters >= fRecPoints->GetSize()) fRecPoints->Expand(2*fNumberOfECAClusters+1) ;
- if (gDebug == 2 && rv==1)
- printf("AreInGroup: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d \n",
- rv, d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2);
+ AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
+ fRecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)) ;
+ fNumberOfECAClusters++ ;
- return rv ;
+ recPoint->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
+
+ recPoint->AddDigit(*digit, Calibrate(digit->GetAmplitude(), digit->GetTime(),digit->GetId()),kFALSE) ; //Time or TimeR?
+ TObjArray clusterDigits;
+ clusterDigits.AddLast(digit);
+ digitsC->Remove(digit) ;
+
+ AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , cell.th. = %f \n", digit->GetId(),
+ Calibrate(digit->GetAmplitude(),digit->GetTime(),digit->GetId()), fECAClusteringThreshold)); //Time or TimeR?
+ Float_t time = digit->GetTime();//Time or TimeR?
+ // 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
+
+ //Do not add digits with too different time
+ Bool_t shared = kFALSE;//cluster shared by 2 SuperModules?
+ if(TMath::Abs(time - digitN->GetTime()) > fTimeCut ) continue; //Time or TimeR?
+ if (AreNeighbours(digit, digitN, shared)==1) { // call (digit,digitN) in THAT order !!!!!
+ recPoint->AddDigit(*digitN, Calibrate(digitN->GetAmplitude(), digitN->GetTime(), digitN->GetId()),shared) ;//Time or TimeR?
+ 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::Unload()
+void AliEMCALClusterizerv1::MakeUnfolding()
{
- // Unloads the Digits and RecPoints
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
-
- emcalLoader->UnloadDigits() ;
- emcalLoader->UnloadRecPoints() ;
+ // Unfolds clusters using the shape of an ElectroMagnetic shower
+ // Performs unfolding of all clusters
+
+ if(fNumberOfECAClusters > 0){
+ if (fGeom==0)
+ AliFatal("Did not get geometry from EMCALLoader") ;
+ Int_t nModulesToUnfold = fGeom->GetNCells();
+
+ 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
}
-
+
//____________________________________________________________________________
-void AliEMCALClusterizerv1::WriteRecPoints()
+Double_t AliEMCALClusterizerv1::ShowerShape(Double_t x, Double_t y)
+{
+ // Shape of the shower
+ // If you change this function, change also the gradient evaluation in ChiSquare()
+
+ 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(AliEMCALRecPoint * iniTower,
+ Int_t nMax,
+ AliEMCALDigit ** maxAt,
+ Float_t * maxAtEnergy)
{
+ // Performs the unfolding of a cluster with nMax overlapping showers
+ 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 ;
+ }
- // Creates new branches with given title
- // fills and writes into TreeR.
+ // 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
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ 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. ;
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
+ AliEMCALDigit * digit = 0 ;
+ Int_t * digitsList = iniTower->GetDigitsList() ;
- TClonesArray * digits = emcalLoader->Digits() ;
- TTree * treeR = emcalLoader->TreeR();
- if ( treeR==0 ) {
- emcalLoader->MakeRecPointsContainer();
- treeR = emcalLoader->TreeR();
+ 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) ;
+ }
}
- Int_t index ;
- //Evaluate position, dispersion and other RecPoint properties for EC section
- for(index = 0; index < aECARecPoints->GetEntries(); index++)
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->EvalAll(fECAW0,digits) ;
-
- aECARecPoints->Sort() ;
- for(index = 0; index < aECARecPoints->GetEntries(); index++) {
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->SetIndexInList(index) ;
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->Print();
- }
+ // 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
- Int_t bufferSize = 32000 ;
- Int_t splitlevel = 0 ;
+ Float_t * energiesList = iniTower->GetEnergiesList() ;
+ Float_t ratio ;
- //EC section branch
-
- TBranch * branchECA = 0;
- if ((branchECA = treeR->GetBranch("EMCALECARP")))
- branchECA->SetAddress(&aECARecPoints);
- else
- treeR->Branch("EMCALECARP","TObjArray",&aECARecPoints,bufferSize,splitlevel);
- treeR->Fill() ;
+ iparam = 0 ;
+ while(iparam < nPar ){
+ xpar = fitparameters[iparam] ;
+ zpar = fitparameters[iparam+1] ;
+ epar = fitparameters[iparam+2] ;
+ iparam += 3 ;
- emcalLoader->WriteRecPoints("OVERWRITE");
+ AliEMCALRecPoint * recPoint = 0 ;
-}
+ if(fNumberOfECAClusters >= fRecPoints->GetSize())
+ fRecPoints->Expand(2*fNumberOfECAClusters) ;
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::MakeClusters(char* option)
-{
- // Steering method to construct the clusters stored in a list of Reconstructed Points
- // A cluster is defined as a list of neighbour digits
+ (*fRecPoints)[fNumberOfECAClusters] = new AliEMCALRecPoint("") ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>( fRecPoints->At(fNumberOfECAClusters) ) ;
+ fNumberOfECAClusters++ ;
+ recPoint->SetNExMax((Int_t)nPar/3) ;
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
+ Float_t eDigit ;
+ for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
+ digit = dynamic_cast<AliEMCALDigit*>( fDigitsArr->At( digitsList[iDigit] ) ) ;
+ fGeom->RelPosCellInSModule(digit->GetId(), yDigit, xDigit, zDigit);
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
-
- if (fGeom==0)
- AliFatal("Did not get geometry from EMCALLoader");
-
- aECARecPoints->Clear();
-
- //Start with pseudoclusters, if option
- if(strstr(option,"pseudo")) {
- TClonesArray * digits = emcalLoader->Digits() ;
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone());
-
- TIter nextdigit(digitsC) ;
- AliEMCALDigit * digit;
-
- AliEMCALRecPoint * recPoint = 0 ;
- int ineb=0;
- nextdigit.Reset();
-
- // PseudoClusterization starts
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
- recPoint = 0 ;
- TArrayI clusterECAdigitslist(1000); // what is this
-
- if(fGeom->CheckAbsCellId(digit->GetId()) ) { //Is this an EMCAL digit? Just maing sure...
- Int_t iDigitInECACluster = 0; // start a new Tower RecPoint
- if(fNumberOfECAClusters >= aECARecPoints->GetSize()) aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
- AliEMCALRecPoint * rp = new AliEMCALRecPoint("") ;
- aECARecPoints->AddAt(rp, fNumberOfECAClusters) ;
- recPoint = dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
- fNumberOfECAClusters++ ;
-
- recPoint->SetClusterType(AliESDCaloCluster::kPseudoCluster);
-
- recPoint->AddDigit(*digit, digit->GetAmp()) ;
- clusterECAdigitslist[iDigitInECACluster] = digit->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digit) ;
- AliDebug(1,Form("MakePseudoClusters: OK id = %d, adc = %f \n", digit->GetId(), digit->GetAmp()));
- nextdigit.Reset(); // will start from beggining
-
- AliEMCALDigit * digitN = 0; // digi neighbor
- Int_t index = 0 ;
-
- // Find the neighbours
- while (index < iDigitInECACluster){ // scan over digits already in cluster
- digit = (AliEMCALDigit*)digits->At(clusterECAdigitslist[index]);
- index++ ;
- while ( (digitN = (AliEMCALDigit *)nextdigit())) { // scan over the reduced list of digits
- ineb = AreInGroup(digit, digitN); // call (digit,digitN) in THAT oder !!!!!
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- recPoint->AddDigit(*digitN, digitN->GetAmp() ) ;
- clusterECAdigitslist[iDigitInECACluster] = digitN->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // different SM
- break ;
- case 3 : // different Tower group
- break ;
- } // switch
- } // scan over the reduced list of digits
- } // scan over digits already in cluster
- nextdigit.Reset() ; // will start from beggining
- }
+ ratio = epar * ShowerShape(xDigit - xpar,zDigit - zpar) / efit[iDigit] ;
+ eDigit = energiesList[iDigit] * ratio ;
+ recPoint->AddDigit( *digit, eDigit, kFALSE ) ; //FIXME, need to study the shared case
}
- if(recPoint)
- AliDebug(1,Form("MakeClusters: cl.e %f \n", recPoint->GetEnergy()));
- //if(recPoint) cout << "cl.e " << recPoint->GetEnergy() << endl;
- delete digitsC ;
}
- //Now do real clusters
- TClonesArray * digits = emcalLoader->Digits() ;
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone());
+ delete[] fitparameters ;
+ delete[] efit ;
- TIter nextdigit(digitsC) ;
- AliEMCALDigit * digit;
+}
- AliEMCALRecPoint * recPoint = 0 ;
- int ineb=0;
- nextdigit.Reset();
+//_____________________________________________________________________________
+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
- double e=0.0, ehs = 0.0;
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // clean up digits
- e = Calibrate(digit->GetAmp(), digit->GetId());
- AliEMCALHistoUtilities::FillH1(fHists, 10, digit->GetAmp());
- AliEMCALHistoUtilities::FillH1(fHists, 11, e);
- if(e < fMinECut ) digitsC->Remove(digit);
- else ehs += e;
- }
- AliDebug(1,Form("MakeClusters: Number of digits %d -> (e %f), ehs %d\n",
- digits->GetEntries(),fMinECut,ehs));
- //cout << " Number of digits " << digits->GetEntries() << " -> (e>" <<fMinECut <<")";
- //cout << digitsC->GetEntries()<< " ehs "<<ehs<<endl;
-
- // Clusterization starts
- // cout << "Outer Loop" << endl;
- ineb=0;
- nextdigit.Reset();
- recPoint = 0 ;
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
- recPoint = 0 ;
- TArrayI clusterECAdigitslist(1000); // what is this
-
- if(fGeom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmp(), digit->GetId()) > fECAClusteringThreshold ) ){
- Int_t iDigitInECACluster = 0; // start a new Tower RecPoint
- if(fNumberOfECAClusters >= aECARecPoints->GetSize()) aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
- AliEMCALRecPoint * rp = new AliEMCALRecPoint("") ;
- aECARecPoints->AddAt(rp, fNumberOfECAClusters) ;
- recPoint = dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
- fNumberOfECAClusters++ ;
+ TList * toMinuit = dynamic_cast<TList*>( gMinuit->GetObjectFit() ) ;
- recPoint->SetClusterType(AliESDCaloCluster::kClusterv1);
+ 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));
- recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
- clusterECAdigitslist[iDigitInECACluster] = digit->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digit) ;
- AliDebug(1,Form("MakeClusters: OK id = %d, ene = %f , thre = %f \n", digit->GetId(),
- Calibrate(digit->GetAmp(),digit->GetId()), fECAClusteringThreshold));
- nextdigit.Reset(); // will start from beggining
-
- AliEMCALDigit * digitN = 0; // digi neighbor
- Int_t index = 0 ;
-
- // Find the neighbours
- while (index < iDigitInECACluster){ // scan over digits already in cluster
- digit = (AliEMCALDigit*)digits->At(clusterECAdigitslist[index]);
- index++ ;
- while ( (digitN = (AliEMCALDigit *)nextdigit())) { // scan over the reduced list of digits
- ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!!
- switch (ineb ) {
- case 0 : // not a neighbour
- break ;
- case 1 : // are neighbours
- recPoint->AddDigit(*digitN, Calibrate(digitN->GetAmp(),digitN->GetId()) ) ;
- clusterECAdigitslist[iDigitInECACluster] = digitN->GetIndexInList() ;
- iDigitInECACluster++ ;
- digitsC->Remove(digitN) ;
- break ;
- case 2 : // different SM
- break ;
- } // switch
- } // scan over the reduced list of digits
- } // scan over digits already in cluster
- nextdigit.Reset() ; // will start from beggining
- }
- } // while digit
- if(recPoint)
- AliDebug(1,Form("MakeClusters: cl.e %f \n", recPoint->GetEnergy()));
- //if(recPoint) cout << "cl.e " << recPoint->GetEnergy() << endl;
- delete digitsC ;
+ Int_t * digitsList = recPoint->GetDigitsList() ;
- AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,digits->GetEntriesFast()));
-}
+ Int_t nOdigits = recPoint->GetDigitsMultiplicity() ;
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::MakeUnfolding() const
-{
- Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
-
-}
+ Float_t * energiesList = recPoint->GetEnergiesList() ;
-//____________________________________________________________________________
-Double_t AliEMCALClusterizerv1::ShowerShape(Double_t r)
-{
- // Shape of the shower (see EMCAL TDR)
- // If you change this function, change also the gradient evaluation in ChiSquare()
+ fret = 0. ;
+ Int_t iparam ;
- 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) ) ) ;
- return shape ;
-}
+ if(iflag == 2)
+ for(iparam = 0 ; iparam < nPar ; iparam++)
+ Grad[iparam] = 0 ; // Will evaluate gradient
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::UnfoldCluster(AliEMCALRecPoint * /*iniTower*/,
- Int_t /*nMax*/,
- AliEMCALDigit ** /*maxAt*/,
- Float_t * /*maxAtEnergy*/) const
-{
- // Performs the unfolding of a cluster with nMax overlapping showers
-
- Fatal("UnfoldCluster", "--> Unfolding not implemented") ;
+ Double_t efit ;
-}
+ AliEMCALDigit * digit ;
+ Int_t iDigit ;
-//_____________________________________________________________________________
-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") ;
+ 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()) ;
printf("--------------- ");
- printf(taskName.Data()) ;
+ printf("%s",taskName.Data()) ;
printf(" ");
- printf(GetTitle()) ;
- printf("-----------\n");
- printf("Clusterizing digits from the file: ");
- printf(taskName.Data());
- printf("\n Branch: ");
- printf(GetName());
+ printf("Clusterizing digits: ");
printf("\n ECA Local Maximum cut = %f", fECALocMaxCut);
printf("\n ECA Logarithmic weight = %f", fECAW0);
if(fToUnfold)
void AliEMCALClusterizerv1::PrintRecPoints(Option_t * option)
{
// Prints list of RecPoints produced at the current pass of AliEMCALClusterizer
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
-
- printf("PrintRecPoints: Clusterization result:") ;
+ if(strstr(option,"deb")) {
+ printf("PrintRecPoints: Clusterization result:") ;
- printf("event # %d\n", emcalLoader->GetRunLoader()->GetEventNumber() ) ;
- printf(" Found %d ECA Rec Points\n ",
- aECARecPoints->GetEntriesFast()) ;
+ printf(" Found %d ECA Rec Points\n ",
+ fRecPoints->GetEntriesFast()) ;
+ }
- fRecPointsInRun += aECARecPoints->GetEntriesFast() ;
-
if(strstr(option,"all")) {
- Int_t index =0;
- printf("\n-----------------------------------------------------------------------\n") ;
- printf("Clusters in ECAL section\n") ;
- printf("Index Ene(GeV) Multi Module phi r theta X Y Z Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
- Float_t maxE=0;
- Float_t maxL1=0;
- Float_t maxL2=0;
- Float_t maxDis=0;
-
- for (index = 0 ; index < aECARecPoints->GetEntries() ; index++) {
- AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(aECARecPoints->At(index)) ;
+ 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;
+
+ for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
+ AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
TVector3 globalpos;
//rp->GetGlobalPosition(globalpos);
TVector3 localpos;
Int_t * primaries;
Int_t nprimaries;
primaries = rp->GetPrimaries(nprimaries);
+ if(strstr(option,"deb"))
printf("\n%6d %8.4f %3d %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4.1f %4f %4f %2d : ",
rp->GetIndexInList(), rp->GetEnergy(), rp->GetMultiplicity(),
globalpos.X(), globalpos.Y(), globalpos.Z(), localpos.X(), localpos.Y(), localpos.Z(),
rp->GetDispersion(), lambda[0], lambda[1], nprimaries) ;
- /////////////
- if(rp->GetEnergy()>maxE){
- maxE=rp->GetEnergy();
- maxL1=lambda[0];
- maxL2=lambda[1];
- maxDis=rp->GetDispersion();
+ if(strstr(option,"deb")){
+ for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
+ printf("%d ", primaries[iprimary] ) ;
+ }
}
- fPointE->Fill(rp->GetEnergy());
- fPointL1->Fill(lambda[0]);
- fPointL2->Fill(lambda[1]);
- fPointDis->Fill(rp->GetDispersion());
- fPointMult->Fill(rp->GetMultiplicity());
- /////////////
- for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
- printf("%d ", primaries[iprimary] ) ;
- }
}
- fMaxE->Fill(maxE);
- fMaxL1->Fill(maxL1);
- fMaxL2->Fill(maxL2);
- fMaxDis->Fill(maxDis);
-
-
+ if(strstr(option,"deb"))
printf("\n-----------------------------------------------------------------------\n");
}
}
-TList* AliEMCALClusterizerv1::BookHists()
-{
- //set up histograms for monitoring clusterizer performance
-
- gROOT->cd();
-
- fPointE = new TH1F("pointE","point energy", 2000, 0.0, 150.);
- fPointL1 = new TH1F("pointL1","point L1", 1000, 0.0, 3.);
- fPointL2 = new TH1F("pointL2","point L2", 1000, 0.0, 3.);
- fPointDis = new TH1F("pointDis","point Dis", 1000, 0.0, 3.);
- fPointMult = new TH1F("pointMult","point Mult", 100, 0.0, 100.);
- fDigitAmp = new TH1F("digitAmp","Digit Amplitude", 2000, 0.0, 5000.);
- fMaxE = new TH1F("maxE","Max point energy", 2000, 0.0, 150.);
- fMaxL1 = new TH1F("maxL1","Max point L1", 1000, 0.0, 3.);
- fMaxL2 = new TH1F("maxL2","Max point L2", 1000, 0.0, 3.);
- fMaxDis = new TH1F("maxDis","Max point Dis", 1000, 0.0, 3.); // 9
- //
- new TH1F("adcOfDigits","adc of digits(threshold control)", 1001, -0.5, 1000.5); // 10
- new TH1F("energyOfDigits","energy of digits(threshold control)", 1000, 0.0, 1.); // 11
-
- return AliEMCALHistoUtilities::MoveHistsToList("EmcalClusterizerv1ControlHists", kFALSE);
-}
-void AliEMCALClusterizerv1::SaveHists(const char *fn)
+//___________________________________________________________________
+void AliEMCALClusterizerv1::PrintRecoInfo()
{
- AliEMCALHistoUtilities::SaveListOfHists(fHists, fn, kTRUE);
-}
+ printf(" AliEMCALClusterizerv1::PrintRecoInfo() : version %s \n", Version() );
-void AliEMCALClusterizerv1::Browse(TBrowser* b)
-{
- if(fHists) b->Add(fHists);
- TTask::Browse(b);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff