/* $Id$ */
-//*-- 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
#include "AliRunLoader.h"
#include "AliRun.h"
#include "AliESD.h"
-#include "AliEMCALLoader.h"
#include "AliEMCALClusterizerv1.h"
#include "AliEMCALRecPoint.h"
#include "AliEMCALDigit.h"
#include "AliEMCALDigitizer.h"
#include "AliEMCAL.h"
#include "AliEMCALGeometry.h"
-#include "AliEMCALRawUtils.h"
-#include "AliEMCALHistoUtilities.h"
+#include "AliEMCALRecParam.h"
+#include "AliEMCALReconstructor.h"
#include "AliCDBManager.h"
class AliCDBStorage;
ClassImp(AliEMCALClusterizerv1)
//____________________________________________________________________________
-AliEMCALClusterizerv1::AliEMCALClusterizerv1()
+AliEMCALClusterizerv1::AliEMCALClusterizerv1()
: AliEMCALClusterizer(),
- fHists(0),fPointE(0),fPointL1(0),fPointL2(0),
- fPointDis(0),fPointMult(0),fDigitAmp(0),fMaxE(0),
- fMaxL1(0),fMaxL2(0),fMaxDis(0),fGeom(0),
- fDefaultInit(kTRUE),
+ fGeom(0),
+ fDefaultInit(kFALSE),
fToUnfold(kFALSE),
- fNumberOfECAClusters(0),fNTowerInGroup(0),fCalibData(0),
+ fNumberOfECAClusters(0),fCalibData(0),
fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
- fECAW0(0.),fRecPointsInRun(0),fTimeCut(0.),fMinECut(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() ;
- fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaulGeometryName());
- fGeom->GetTransformationForSM(); // Global <-> Local
+ Init() ;
}
//____________________________________________________________________________
-AliEMCALClusterizerv1::AliEMCALClusterizerv1(const TString alirunFileName, const TString eventFolderName)
- : AliEMCALClusterizer(alirunFileName, eventFolderName),
- fHists(0),fPointE(0),fPointL1(0),fPointL2(0),
- fPointDis(0),fPointMult(0),fDigitAmp(0),fMaxE(0),
- fMaxL1(0),fMaxL2(0),fMaxDis(0),fGeom(0),
+AliEMCALClusterizerv1::AliEMCALClusterizerv1(AliEMCALGeometry* geometry)
+ : AliEMCALClusterizer(),
+ fGeom(geometry),
fDefaultInit(kFALSE),
fToUnfold(kFALSE),
- fNumberOfECAClusters(0),fNTowerInGroup(0),fCalibData(0),
+ fNumberOfECAClusters(0),fCalibData(0),
fADCchannelECA(0.),fADCpedestalECA(0.),fECAClusteringThreshold(0.),fECALocMaxCut(0.),
- fECAW0(0.),fRecPointsInRun(0),fTimeCut(0.),fMinECut(0.)
+ fECAW0(0.),fTimeCut(0.),fMinECut(0.)
{
// ctor with the indication of the file where header Tree and digits Tree are stored
-
- InitParameters() ;
- Init() ;
+ // 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(const AliEMCALClusterizerv1& clus)
- : AliEMCALClusterizer(clus),
- fHists(clus.fHists),
- fPointE(clus.fPointE),
- fPointL1(clus.fPointL1),
- fPointL2(clus.fPointL2),
- fPointDis(clus.fPointDis),
- fPointMult(clus.fPointMult),
- fDigitAmp(clus.fDigitAmp),
- fMaxE(clus.fMaxE),
- fMaxL1(clus.fMaxL1),
- fMaxL2(clus.fMaxL2),
- fMaxDis(clus.fMaxDis),
- fGeom(clus.fGeom),
- fDefaultInit(clus.fDefaultInit),
- fToUnfold(clus.fToUnfold),
- fNumberOfECAClusters(clus.fNumberOfECAClusters),
- fNTowerInGroup(clus.fNTowerInGroup),
- fCalibData(clus.fCalibData),
- fADCchannelECA(clus.fADCchannelECA),
- fADCpedestalECA(clus.fADCpedestalECA),
- fECAClusteringThreshold(clus.fECAClusteringThreshold),
- fECALocMaxCut(clus.fECALocMaxCut),
- fECAW0(clus.fECAW0),
- fRecPointsInRun(clus.fRecPointsInRun),
- fTimeCut(clus.fTimeCut),
- fMinECut(clus.fMinECut)
+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.)
{
- //copy ctor
+ // ctor, geometry and calibration are initialized elsewhere.
+
+ if (!fGeom)
+ AliFatal("Geometry not initialized.");
+
+ if(!gMinuit)
+ gMinuit = new TMinuit(100) ;
+
}
+
//____________________________________________________________________________
AliEMCALClusterizerv1::~AliEMCALClusterizerv1()
{
// dtor
}
-//____________________________________________________________________________
-const TString AliEMCALClusterizerv1::BranchName() const
-{
- return GetName();
-}
-
//____________________________________________________________________________
Float_t AliEMCALClusterizerv1::Calibrate(Int_t amp, Int_t AbsId)
{
}
//____________________________________________________________________________
-void AliEMCALClusterizerv1::Exec(Option_t * option)
+void AliEMCALClusterizerv1::Digits2Clusters(Option_t * option)
{
// Steering method to perform clusterization for the current event
// in AliEMCALLoader
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() ;
fNumberOfECAClusters = 0;
- if(strstr(option,"pseudo"))
- MakeClusters("pseudo") ; //both types
- else
- MakeClusters("") ; //only the real clusters
+ MakeClusters() ; //only the real clusters
if(fToUnfold)
MakeUnfolding() ;
- WriteRecPoints() ;
+ Int_t index ;
+ //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) ;
+ }
+
+ fRecPoints->Sort() ;
+
+ for(index = 0; index < fRecPoints->GetEntries(); index++) {
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->SetIndexInList(index) ;
+ (dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(index)))->Print();
+ }
+
+ fTreeR->Fill();
+
if(strstr(option,"deb") || strstr(option,"all"))
PrintRecPoints(option) ;
- AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",emcalLoader->RecPoints()->GetEntriesFast()));
-
- //increment the total number of recpoints per run
- fRecPointsInRun += emcalLoader->RecPoints()->GetEntriesFast() ;
+ AliDebug(1,Form("EMCAL Clusterizer found %d Rec Points",fRecPoints->GetEntriesFast()));
if(strstr(option,"tim")){
gBenchmark->Stop("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");
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;
//Check if calibration is stored in data base
- AliEMCALLoader *emcalLoader =
- dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
-
- fCalibData =emcalLoader->CalibData();
-
- if(!fCalibData)
- {
- //If calibration is not available use default parameters
- //Loader
- if ( !emcalLoader->Digitizer() )
- emcalLoader->LoadDigitizer();
- AliEMCALDigitizer * dig = dynamic_cast<AliEMCALDigitizer*>(emcalLoader->Digitizer());
-
- fADCchannelECA = dig->GetECAchannel() ;
- fADCpedestalECA = dig->GetECApedestal();
- }
+ 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
- AliRunLoader *rl = AliRunLoader::GetRunLoader();
+ 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::GetDefaulGeometryName());
+ fGeom = AliEMCALGeometry::GetInstance(AliEMCALGeometry::GetDefaultGeometryName());
- fGeom->GetTransformationForSM(); // Global <-> Local
- AliInfo(Form("geom 0x%x",fGeom));
+ AliDebug(1,Form("geom 0x%x",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 = 0.1; // value obtained from Aleksei
- fECALocMaxCut = 0.03; // ??
-
- fECAW0 = 4.5;
fTimeCut = 300e-9 ; // 300 ns time cut (to be tuned)
- fToUnfold = kFALSE ;
- fRecPointsInRun = 0 ;
- fMinECut = 0.01; // have to be tune
fCalibData = 0 ;
+
+ const AliEMCALRecParam* recParam = AliEMCALReconstructor::GetRecParam();
+ if(!recParam) {
+ AliFatal("Reconstruction parameters for EMCAL not set!");
+ } else {
+ fECAClusteringThreshold = recParam->GetClusteringThreshold();
+ fECAW0 = recParam->GetW0();
+ fMinECut = recParam->GetMinECut();
+ 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));
+ }
+
}
//____________________________________________________________________________
rowdiff = TMath::Abs(iphi1 - iphi2);
coldiff = TMath::Abs(ieta1 - ieta2) ;
- // if (( coldiff <= 1 ) && ( rowdiff <= 1 )) rv = 1; // neighbours with at least commom vertex
- if(coldiff + rowdiff <= 1) rv = 1; // neighbours with at least commom side; Nov 6,2006
+ // 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",
}
//____________________________________________________________________________
-Int_t AliEMCALClusterizerv1::AreInGroup(AliEMCALDigit * d1, AliEMCALDigit * d2) const
-{
- // Tells whether two digits fall within the same supermodule and
- // tower grouping. The number of towers in a group is controlled by
- // the parameter nTowersInGroup
- // = 0 are not in same group but continue searching
- // = 1 same group
- // = 2 is in different SM, quit from searching
- // = 3 different tower group, quit from searching
- //
- // The order of d1 and d2 is important: first (d1) should be a digit
- // already in a cluster which is compared to a digit (d2) not yet in a cluster
-
- //JLK Question: does the quit from searching assume that the digits
- //are ordered, so that once you are in a different SM, you'll not
- //find another in the list that will match? How about my TowerGroup search?
-
- static Int_t rv;
- static Int_t nSupMod1=0, nModule1=0, nIphi1=0, nIeta1=0, iphi1=0, ieta1=0;
- static Int_t nSupMod2=0, nModule2=0, nIphi2=0, nIeta2=0, iphi2=0, ieta2=0;
- static Int_t towerGroup1 = -1, towerGroup2 = -1;
- rv = 0 ;
-
- fGeom->GetCellIndex(d1->GetId(), nSupMod1,nModule1,nIphi1,nIeta1);
- fGeom->GetCellIndex(d2->GetId(), nSupMod2,nModule2,nIphi2,nIeta2);
- if(nSupMod1 != nSupMod2) return 2; // different SM
-
- static Int_t nTowerInSM = fGeom->GetNCellsInSupMod()/fGeom->GetNCellsInModule();
-
- //figure out which tower grouping each digit belongs to
- for(int it = 0; it < nTowerInSM/fNTowerInGroup; it++) {
- if(nModule1 <= nTowerInSM - it*fNTowerInGroup) towerGroup1 = it;
- if(nModule2 <= nTowerInSM - it*fNTowerInGroup) towerGroup2 = it;
- }
- if(towerGroup1 != towerGroup2) return 3; //different Towergroup
-
- //same SM, same towergroup, we're happy
- if(towerGroup1 == towerGroup2 && towerGroup2 >= 0)
- rv = 1;
-
- if (gDebug == 2 && rv==1)
- printf("AreInGroup: neighbours=%d, id1=%d, relid1=%d,%d \n id2=%d, relid2=%d,%d \n",
- rv, d1->GetId(), iphi1,ieta1, d2->GetId(), iphi2,ieta2);
-
- return rv ;
-}
-
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::WriteRecPoints()
-{
-
- // Creates new branches with given title
- // fills and writes into TreeR.
-
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
-
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
-
- TClonesArray * digits = emcalLoader->Digits() ;
- TTree * treeR = emcalLoader->TreeR();
- if ( treeR==0 ) {
- emcalLoader->MakeRecPointsContainer();
- treeR = emcalLoader->TreeR();
- }
- else if (treeR->GetEntries() > 0) {
- Warning("WriteRecPoints","RecPoints already exist in output file. New Recpoitns will not be visible.");
- }
- Int_t index ;
-
- //Evaluate position, dispersion and other RecPoint properties for EC section
- for(index = 0; index < aECARecPoints->GetEntries(); index++) {
- if (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index))->GetClusterType() != AliESDCaloCluster::kPseudoCluster)
- dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index))->EvalAll(fECAW0,digits) ;
- }
-
- aECARecPoints->Sort() ;
-
- for(index = 0; index < aECARecPoints->GetEntries(); index++) {
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->SetIndexInList(index) ;
- (dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(index)))->Print();
- }
-
- Int_t bufferSize = 32000 ;
- Int_t splitlevel = 0 ;
-
- //EC section branch
-
- TBranch * branchECA = 0;
- if ((branchECA = treeR->GetBranch("EMCALECARP")))
- branchECA->SetAddress(&aECARecPoints);
- else
- treeR->Branch("EMCALECARP","TObjArray",&aECARecPoints,bufferSize,splitlevel);
- treeR->Fill() ;
-
- emcalLoader->WriteRecPoints("OVERWRITE");
-}
-
-//____________________________________________________________________________
-void AliEMCALClusterizerv1::MakeClusters(char* option)
+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
if (fGeom==0) AliFatal("Did not get geometry from EMCALLoader");
- AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
- TObjArray * aECARecPoints = emcalLoader->RecPoints() ;
- aECARecPoints->Clear();
-
- TClonesArray *digits = emcalLoader->Digits();
+ fRecPoints->Clear();
// Set up TObjArray with pointers to digits to work on
TObjArray *digitsC = new TObjArray();
- TIter nextdigit(digits);
+ TIter nextdigit(fDigitsArr);
AliEMCALDigit *digit;
while ( (digit = dynamic_cast<AliEMCALDigit*>(nextdigit())) ) {
digitsC->AddLast(digit);
}
- //Start with pseudoclusters, if option
- if(strstr(option,"pseudo")) {
- //
- // New algorithm : will be created one pseudo cluster per module
- //
- AliDebug(1,Form("Pseudo clustering #digits : %i ",digits->GetEntries()));
-
- AliEMCALRecPoint *recPoints[12]; // max size is 12 : see fGeom->GetNumberOfSuperModules();
- for(int i=0; i<12; i++) recPoints[i] = 0;
- TIter nextdigitC(digitsC) ;
-
- // PseudoClusterization starts
- int nSM = 0; // # of SM
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
- if(fGeom->CheckAbsCellId(digit->GetId()) ) { //Is this an EMCAL digit? Just maing sure...
- nSM = fGeom->GetSuperModuleNumber(digit->GetId());
- if(recPoints[nSM] == 0) {
- recPoints[nSM] = new AliEMCALRecPoint(Form("PC%2.2i", nSM));
- recPoints[nSM]->SetClusterType(AliESDCaloCluster::kPseudoCluster);
- }
- recPoints[nSM]->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId()));
- }
- }
- fNumberOfECAClusters = 0;
- for(int i=0; i<fGeom->GetNumberOfSuperModules(); i++) { // put non empty rec.points to container
- if(recPoints[i]) aECARecPoints->AddAt(recPoints[i], fNumberOfECAClusters++);
- }
- AliDebug(1,Form(" Number of PC %d ", fNumberOfECAClusters));
- }
-
- //
- // Now do real clusters
- //
-
double e = 0.0, ehs = 0.0;
TIter nextdigitC(digitsC);
while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // clean up digits
e = Calibrate(digit->GetAmp(), digit->GetId());
- AliEMCALHistoUtilities::FillH1(fHists, 10, digit->GetAmp());
- AliEMCALHistoUtilities::FillH1(fHists, 11, e);
if ( e < fMinECut || digit->GetTimeR() > fTimeCut )
digitsC->Remove(digit);
else
ehs += e;
}
AliDebug(1,Form("MakeClusters: Number of digits %d -> (e %f), ehs %d\n",
- digits->GetEntries(),fMinECut,ehs));
+ fDigitsArr->GetEntries(),fMinECut,ehs));
nextdigitC.Reset();
while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigitC())) ) { // scan over the list of digitsC
- TArrayI clusterECAdigitslist(digits->GetEntries());
+ TArrayI clusterECAdigitslist(fDigitsArr->GetEntries());
if(fGeom->CheckAbsCellId(digit->GetId()) && (Calibrate(digit->GetAmp(), digit->GetId()) > fECAClusteringThreshold ) ){
// start a new Tower RecPoint
- if(fNumberOfECAClusters >= aECARecPoints->GetSize()) aECARecPoints->Expand(2*fNumberOfECAClusters+1) ;
+ if(fNumberOfECAClusters >= fRecPoints->GetSize()) fRecPoints->Expand(2*fNumberOfECAClusters+1) ;
+
AliEMCALRecPoint *recPoint = new AliEMCALRecPoint("") ;
- aECARecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
- recPoint = dynamic_cast<AliEMCALRecPoint *>(aECARecPoints->At(fNumberOfECAClusters)) ;
+ fRecPoints->AddAt(recPoint, fNumberOfECAClusters) ;
+ recPoint = dynamic_cast<AliEMCALRecPoint *>(fRecPoints->At(fNumberOfECAClusters)) ;
fNumberOfECAClusters++ ;
- recPoint->SetClusterType(AliESDCaloCluster::kClusterv1);
+ recPoint->SetClusterType(AliESDCaloCluster::kEMCALClusterv1);
recPoint->AddDigit(*digit, Calibrate(digit->GetAmp(), digit->GetId())) ;
TObjArray clusterDigits;
} // while digit
delete digitsC ;
-
- AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,digits->GetEntriesFast()));
+
+ AliDebug(1,Form("total no of clusters %d from %d digits",fNumberOfECAClusters,fDigitsArr->GetEntriesFast()));
}
-void AliEMCALClusterizerv1::MakeUnfolding() const
+//____________________________________________________________________________
+void AliEMCALClusterizerv1::MakeUnfolding()
{
- Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
+ // 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
}
//____________________________________________________________________________
-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(AliEMCALRecPoint * /*iniTower*/,
- Int_t /*nMax*/,
- AliEMCALDigit ** /*maxAt*/,
- Float_t * /*maxAtEnergy*/) const
+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()) ;
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() ;
-
if(strstr(option,"deb")) {
printf("PrintRecPoints: Clusterization result:") ;
- printf("event # %d\n", emcalLoader->GetRunLoader()->GetEventNumber() ) ;
printf(" Found %d ECA Rec Points\n ",
- aECARecPoints->GetEntriesFast()) ;
+ fRecPoints->GetEntriesFast()) ;
}
- fRecPointsInRun += aECARecPoints->GetEntriesFast() ;
-
if(strstr(option,"all")) {
if(strstr(option,"deb")) {
printf("\n-----------------------------------------------------------------------\n") ;
printf("Index Ene(GeV) Multi Module GX GY GZ lX lY lZ Dispersion Lambda 1 Lambda 2 # of prim Primaries list\n") ;
}
Int_t index =0;
- Float_t maxE=0;
- Float_t maxL1=0;
- Float_t maxL2=0;
- Float_t maxDis=0;
-
- AliEMCALHistoUtilities::FillH1(fHists, 12, double(aECARecPoints->GetEntries()));
- for (index = 0 ; index < aECARecPoints->GetEntries() ; index++) {
- AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(aECARecPoints->At(index)) ;
+ for (index = 0 ; index < fRecPoints->GetEntries() ; index++) {
+ AliEMCALRecPoint * rp = dynamic_cast<AliEMCALRecPoint * >(fRecPoints->At(index)) ;
TVector3 globalpos;
//rp->GetGlobalPosition(globalpos);
TVector3 localpos;
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();
- }
- fPointE->Fill(rp->GetEnergy());
- fPointL1->Fill(lambda[0]);
- fPointL2->Fill(lambda[1]);
- fPointDis->Fill(rp->GetDispersion());
- fPointMult->Fill(rp->GetMultiplicity());
- /////////////
if(strstr(option,"deb")){
for (Int_t iprimary=0; iprimary<nprimaries; iprimary++) {
printf("%d ", primaries[iprimary] ) ;
}
}
- fMaxE->Fill(maxE);
- fMaxL1->Fill(maxL1);
- fMaxL2->Fill(maxL2);
- fMaxDis->Fill(maxDis);
-
if(strstr(option,"deb"))
printf("\n-----------------------------------------------------------------------\n");
}
}
-TList* AliEMCALClusterizerv1::BookHists()
-{
- //set up histograms for monitoring clusterizer performance
-
- gROOT->cd();
-
- fPointE = new TH1F("00_pointE","point energy", 2000, 0.0, 150.);
- fPointL1 = new TH1F("01_pointL1","point L1", 1000, 0.0, 3.);
- fPointL2 = new TH1F("02_pointL2","point L2", 1000, 0.0, 3.);
- fPointDis = new TH1F("03_pointDisp","point dispersion", 1000, 0.0, 10.);
- fPointMult = new TH1F("04_pointMult","#cell in point(cluster)", 101, -0.5, 100.5);
- fDigitAmp = new TH1F("05_digitAmp","Digit Amplitude", 2000, 0.0, 5000.);
- fMaxE = new TH1F("06_maxE","Max point energy", 2000, 0.0, 150.);
- fMaxL1 = new TH1F("07_maxL1","Largest (first) of eigenvalue of covariance matrix", 1000, 0.0, 3.);
- fMaxL2 = new TH1F("08_maxL2","Smalest (second) of eigenvalue of covariace matrix", 1000, 0.0, 3.);
- fMaxDis = new TH1F("09_maxDis","Point dispersion", 1000, 0.0, 10.); // 9
- //
- new TH1F("10_adcOfDigits","adc of digits(threshold control)", 1001, -0.5, 1000.5); // 10
- new TH1F("11_energyOfDigits","energy of digits(threshold control)", 1000, 0.0, 1.); // 11
- new TH1F("12_numberOfPoints","number of points(clusters)", 101, -0.5, 100.5); // 12
-
- return AliEMCALHistoUtilities::MoveHistsToList("EmcalClusterizerv1ControlHists", kFALSE);
-}
-
-void AliEMCALClusterizerv1::SaveHists(const char *fn)
-{
- AliEMCALHistoUtilities::SaveListOfHists(fHists, fn, kTRUE);
-}
+//___________________________________________________________________
void AliEMCALClusterizerv1::PrintRecoInfo()
{
printf(" AliEMCALClusterizerv1::PrintRecoInfo() : version %s \n", Version() );
- TH1F *h = (TH1F*)fHists->At(12);
- if(h) {
- printf(" ## Multiplicity of RecPoints ## \n");
- for(int i=1; i<=h->GetNbinsX(); i++) {
- int nbin = int((*h)[i]);
- int mult = int(h->GetBinCenter(i));
- if(nbin > 0) printf(" %i : %5.5i %6.3f %% \n", mult, nbin, 100.*nbin/h->GetEntries());
- }
- }
-}
-
-void AliEMCALClusterizerv1::DrawLambdasHists()
-{
- if(fMaxL1) {
- fMaxL1->Draw();
- if(fMaxL2) fMaxL2->Draw("same");
- if(fMaxDis) {
- fMaxDis->Draw("same");
- }
- }
-}
-void AliEMCALClusterizerv1::Browse(TBrowser* b)
-{
- if(fHists) b->Add(fHists);
- if(fGeom) b->Add(fGeom);
- TTask::Browse(b);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff