-
- gMinuit->SetObjectFit(toMinuit) ; // To tranfer pointer to UnfoldingChiSquare
-
-
-
- // filling initial values for fit parameters
-
- AliEMCALDigit * digit ;
-
-
-
- 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];
-
-
-
- Int_t relid[4] ;
-
- Float_t x = 0.;
-
- Float_t z = 0.;
-
- geom->AbsToRelNumbering(digit->GetId(), relid) ;
-
- geom->PosInAlice(relid, x, z) ;
-
-
-
- Float_t energy = maxAtEnergy[iDigit] ;
-
-
-
- gMinuit->mnparm(index, "x", x, 0.1, 0, 0, ierflg) ;
-
- index++ ;
-
- if(ierflg != 0){
-
- cout << "EMCAL Unfolding> Unable to set initial value for fit procedure : x = " << x << endl ;
-
- return kFALSE;
-
- }
-
- gMinuit->mnparm(index, "z", z, 0.1, 0, 0, ierflg) ;
-
- index++ ;
-
- if(ierflg != 0){
-
- cout << "EMCAL Unfolding> Unable to set initial value for fit procedure : z = " << z << endl ;
-
- return kFALSE;
-
- }
-
- gMinuit->mnparm(index, "Energy", energy , 0.05*energy, 0., 4.*energy, ierflg) ;
-
- index++ ;
-
- if(ierflg != 0){
-
- cout << "EMCAL Unfolding> Unable to set initial value for fit procedure : energy = " << energy << endl ;
-
- 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 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->SetMaxIterations(5);
-
- gMinuit->mnexcm("SET NOW", &p2 , 0, ierflg) ; // No Warnings
-
-
-
- gMinuit->mnexcm("MIGRAD", &p0, 0, ierflg) ; // minimize
-
-
-
- if(ierflg == 4){ // Minimum not found
-
- cout << "EMCAL Unfolding> Fit not converged, cluster abandoned "<< endl ;
-
- return kFALSE ;
-
- }
-
- for(index = 0; index < nPar; index++){
-
- Double_t err ;
-
- Double_t val ;
-
- gMinuit->GetParameter(index, val, err) ; // Returns value and error of parameter index
-
- fitparameters[index] = val ;
-
- }
-
-
-
- delete toMinuit ;
-
- return kTRUE;
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::GetCalibrationParameters()
-
-{
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
- const AliEMCALDigitizer * dig = gime->Digitizer(BranchName()) ;
-
-
-
- fADCchannelTower = dig->GetTowerchannel() ;
-
- fADCpedestalTower = dig->GetTowerpedestal();
-
-
-
- fADCchannelPreSho = dig->GetPreShochannel() ;
-
- fADCpedestalPreSho = dig->GetPreShopedestal() ;
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::Init()
-
-{
-
- // Make all memory allocations which can not be done in default constructor.
-
- // Attach the Clusterizer task to the list of EMCAL tasks
-
-
-
- if ( strcmp(GetTitle(), "") == 0 )
-
- SetTitle("galice.root") ;
-
-
-
- TString branchname = GetName() ;
-
- branchname.Remove(branchname.Index(Version())-1) ;
-
-
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance(GetTitle(), branchname.Data(), fToSplit ) ;
-
- if ( gime == 0 ) {
-
- cerr << "ERROR: AliEMCALClusterizerv1::Init -> Could not obtain the Getter object !" << endl ;
-
- return ;
-
- }
-
-
-
- fSplitFile = 0 ;
-
- if(fToSplit){
-
- // construct the name of the file as /path/EMCAL.SDigits.root
-
- //First - extract full path if necessary
-
- TString fileName(GetTitle()) ;
-
- Ssiz_t islash = fileName.Last('/') ;
-
- if(islash<fileName.Length())
-
- fileName.Remove(islash+1,fileName.Length()) ;
-
- else
-
- fileName="" ;
-
- // Next - append the file name
-
- fileName+="EMCAL.RecData." ;
-
- if((strcmp(branchname.Data(),"Default")!=0)&&(strcmp(branchname.Data(),"")!=0)){
-
- fileName+=branchname ;
-
- fileName+="." ;
-
- }
-
- fileName+="root" ;
-
- // Finally - check if the file already opened or open the file
-
- fSplitFile = static_cast<TFile*>(gROOT->GetFile(fileName.Data()));
-
- if(!fSplitFile)
-
- fSplitFile = TFile::Open(fileName.Data(),"update") ;
-
- }
-
-
-
-
-
- const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-
- fNTowers = geom->GetNZ() * geom->GetNPhi() ;
-
-
-
- if(!gMinuit)
-
- gMinuit = new TMinuit(100) ;
-
-
-
- gime->PostClusterizer(this) ;
-
- gime->PostRecPoints(branchname ) ;
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::InitParameters()
-
-{
-
- fNumberOfPreShoClusters = fNumberOfTowerClusters = 0 ;
-
-
-
-
-
-
-
- fPreShoClusteringThreshold = 0.0001;
-
- fTowerClusteringThreshold = 0.2;
-
-
-
- fTowerLocMaxCut = 0.03 ;
-
- fPreShoLocMaxCut = 0.03 ;
-
-
-
- fW0 = 4.5 ;
-
- fW0CPV = 4.0 ;
-
-
-
- fTimeGate = 1.e-8 ;
-
-
-
- fToUnfold = kFALSE ;
-
-
-
- TString clusterizerName( GetName()) ;
-
- if (clusterizerName.IsNull() )
-
- clusterizerName = "Default" ;
-
- clusterizerName.Append(":") ;
-
- clusterizerName.Append(Version()) ;
-
- SetName(clusterizerName) ;
-
- fRecPointsInRun = 0 ;
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-Int_t AliEMCALClusterizerv1::AreNeighbours(AliEMCALDigit * d1, AliEMCALDigit * d2)const
-
-{
-
- // Gives the neighbourness of two digits = 0 are not neighbour but continue searching
-
- // = 1 are neighbour
-
- // = 2 are not neighbour but do not continue searching
-
- // neighbours are defined as digits having at least a common vertex
-
- // The order of d1 and d2 is important: first (d1) should be a digit already in a cluster
-
- // which is compared to a digit (d2) not yet in a cluster
-
-
-
- AliEMCALGeometry * geom = AliEMCALGetter::GetInstance()->EMCALGeometry() ;
-
-
-
- Int_t rv = 0 ;
-
-
-
- Int_t relid1[4] ;
-
- geom->AbsToRelNumbering(d1->GetId(), relid1) ;
-
-
-
- Int_t relid2[4] ;
-
- geom->AbsToRelNumbering(d2->GetId(), relid2) ;
-
-
-
- if ( (relid1[0] == relid2[0]) && (relid1[1]==relid2[1]) ) { // inside the same EMCAL Arm
-
- Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ;
-
- Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ;
-
-
-
- if (( coldiff <= 1 ) && ( rowdiff <= 1 )){
-
- if((relid1[1] != 0) || (TMath::Abs(d1->GetTime() - d2->GetTime() ) < fTimeGate))
-
- rv = 1 ;
-
- }
-
- else {
-
- if((relid2[2] > relid1[2]) && (relid2[3] > relid1[3]+1))
-
- rv = 2; // Difference in row numbers is too large to look further
-
- }
-
-
-
- }
-
- else {
-
-
-
- if( (relid1[0] < relid2[0]) || (relid1[1] != relid2[1]) )
-
- rv=2 ;
-
-
-
- }
-
-
-
- return rv ;
-
-}
-
-
-
-
-
-//____________________________________________________________________________
-
-Bool_t AliEMCALClusterizerv1::IsInTower(AliEMCALDigit * digit) const
-
-{
-
- // Tells if (true) or not (false) the digit is in a EMCAL-Tower
-
-
-
- Bool_t rv = kFALSE ;
-
- if (!digit->IsInPreShower())
-
- rv = kTRUE;
-
- return rv ;
-
-}
-
-
-
-//____________________________________________________________________________
-
-Bool_t AliEMCALClusterizerv1::IsInPreShower(AliEMCALDigit * digit) const
-
-{
-
- // Tells if (true) or not (false) the digit is in a EMCAL-PreShower
-
-
-
- Bool_t rv = kFALSE ;
-
- if (digit->IsInPreShower())
-
- rv = kTRUE;
-
- return rv ;
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::WriteRecPoints(Int_t event)
-
-{
-
-
-
- // Creates new branches with given title
-
- // fills and writes into TreeR.
-
-
-
- AliEMCALGetter *gime = AliEMCALGetter::GetInstance() ;
-
- TObjArray * towerRecPoints = gime->TowerRecPoints() ;
-
- TObjArray * preshoRecPoints = gime->PreShowerRecPoints() ;
-
- TClonesArray * digits = gime->Digits() ;
-
- TTree * treeR ;
-
-
-
- if(fToSplit){
-
- if(!fSplitFile)
-
- return ;
-
- fSplitFile->cd() ;
-
- TString name("TreeR") ;
-
- name += event ;
-
- treeR = dynamic_cast<TTree*>(fSplitFile->Get(name));
-
- }
-
- else{
-
- treeR = gAlice->TreeR();
-
- }
-
-
-
- if(!treeR){
-
- gAlice->MakeTree("R", fSplitFile);
-
- treeR = gAlice->TreeR() ;
-
- }
-
-
-
- Int_t index ;
-
- //Evaluate position, dispersion and other RecPoint properties...
-
- for(index = 0; index < towerRecPoints->GetEntries(); index++)
-
- (dynamic_cast<AliEMCALTowerRecPoint *>(towerRecPoints->At(index)))->EvalAll(fW0,digits) ;
-
-
-
- towerRecPoints->Sort() ;
-
-
-
- for(index = 0; index < towerRecPoints->GetEntries(); index++)
-
- (dynamic_cast<AliEMCALTowerRecPoint *>(towerRecPoints->At(index)))->SetIndexInList(index) ;
-
-
-
- towerRecPoints->Expand(towerRecPoints->GetEntriesFast()) ;
-
-
-
- //Now the same for pre shower
-
- for(index = 0; index < preshoRecPoints->GetEntries(); index++)
-
- (dynamic_cast<AliEMCALRecPoint *>(preshoRecPoints->At(index)))->EvalAll(fW0CPV,digits) ;
-
-
-
- preshoRecPoints->Sort() ;
-
-
-
- for(index = 0; index < preshoRecPoints->GetEntries(); index++)
-
- (dynamic_cast<AliEMCALRecPoint *>(preshoRecPoints->At(index)))->SetIndexInList(index) ;
-
-
-
- preshoRecPoints->Expand(preshoRecPoints->GetEntriesFast()) ;
-
-
-
- Int_t bufferSize = 32000 ;
-
- Int_t splitlevel = 0 ;
-
-
-
- //First Tower branch
-
- TBranch * towerBranch = treeR->Branch("EMCALTowerRP","TObjArray",&towerRecPoints,bufferSize,splitlevel);
-
- towerBranch->SetTitle(BranchName());
-
-
-
- //Now Pre Shower branch
-
- TBranch * preshoBranch = treeR->Branch("EMCALPreShoRP","TObjArray",&preshoRecPoints,bufferSize,splitlevel);
-
- preshoBranch->SetTitle(BranchName());
-
-
-
- //And Finally clusterizer branch
-
- AliEMCALClusterizerv1 * cl = (AliEMCALClusterizerv1*)gime->Clusterizer(BranchName()) ;
-
- TBranch * clusterizerBranch = treeR->Branch("AliEMCALClusterizer","AliEMCALClusterizerv1",
-
- &cl,bufferSize,splitlevel);
-
- clusterizerBranch->SetTitle(BranchName());
-
-
-
- towerBranch ->Fill() ;
-
- preshoBranch ->Fill() ;
-
- clusterizerBranch->Fill() ;
-
-
-
- treeR->AutoSave() ; //Write(0,kOverwrite) ;
-
- if(gAlice->TreeR()!=treeR)
-
- treeR->Delete();
-
-}
-
-
-
-//____________________________________________________________________________
-
-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
-
-
-
- AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
-
-
- TObjArray * towerRecPoints = gime->TowerRecPoints(BranchName()) ;
-
- TObjArray * preshoRecPoints = gime->PreShowerRecPoints(BranchName()) ;
-
- towerRecPoints->Delete() ;
-
- preshoRecPoints->Delete() ;
-
-
-
- TClonesArray * digits = gime->Digits() ;
-
- if ( !digits ) {
-
- cerr << "ERROR: AliEMCALClusterizerv1::MakeClusters -> Digits with name "
-
- << GetName() << " not found ! " << endl ;
-
- abort() ;
-
- }
-
- TClonesArray * digitsC = dynamic_cast<TClonesArray*>(digits->Clone()) ;
-
-
-
-
-
- // Clusterization starts
-
-
-
- TIter nextdigit(digitsC) ;
-
- AliEMCALDigit * digit ;
-
- Bool_t notremoved = kTRUE ;
-
-
-
- while ( (digit = dynamic_cast<AliEMCALDigit *>(nextdigit())) ) { // scan over the list of digitsC
-
- AliEMCALRecPoint * clu = 0 ;
-
-
-
- TArrayI clusterdigitslist(1500) ;
-
- Int_t index ;
-
-
-
- if (( IsInTower (digit) && Calibrate(digit->GetAmp(),digit->IsInPreShower()) > fTowerClusteringThreshold ) ||
-
- ( IsInPreShower (digit) && Calibrate(digit->GetAmp(),digit->IsInPreShower()) > fPreShoClusteringThreshold ) ) {
-
-
-
- Int_t iDigitInCluster = 0 ;
-
-
-
- if ( IsInTower(digit) ) {
-
- // start a new Tower RecPoint
-
- if(fNumberOfTowerClusters >= towerRecPoints->GetSize())
-
- towerRecPoints->Expand(2*fNumberOfTowerClusters+1) ;
-
-
-
- towerRecPoints->AddAt(new AliEMCALTowerRecPoint(""), fNumberOfTowerClusters) ;
-
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(towerRecPoints->At(fNumberOfTowerClusters)) ;
-
- fNumberOfTowerClusters++ ;
-
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->IsInPreShower())) ;
-
- clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ;
-
- iDigitInCluster++ ;
-
- digitsC->Remove(digit) ;
-
-
-
- } else {
-
-
-
- // start a new Pre Shower cluster
-
- if(fNumberOfPreShoClusters >= preshoRecPoints->GetSize())
-
- preshoRecPoints->Expand(2*fNumberOfPreShoClusters+1);
-
-
-
- preshoRecPoints->AddAt(new AliEMCALTowerRecPoint(""), fNumberOfPreShoClusters) ;
-
-
-
- clu = dynamic_cast<AliEMCALTowerRecPoint *>(preshoRecPoints->At(fNumberOfPreShoClusters)) ;
-
- fNumberOfPreShoClusters++ ;
-
- clu->AddDigit(*digit, Calibrate(digit->GetAmp(),digit->IsInPreShower() ) );
-
- clusterdigitslist[iDigitInCluster] = digit->GetIndexInList() ;
-
- iDigitInCluster++ ;
-
- digitsC->Remove(digit) ;
-
- nextdigit.Reset() ;
-
-
-
- // Here we remove remaining Tower digits, which cannot make a cluster
-
-
-
- if( notremoved ) {
-
- while( ( digit = dynamic_cast<AliEMCALDigit *>(nextdigit()) ) ) {
-
- if( IsInTower(digit) )
-
- digitsC->Remove(digit) ;
-
- else
-
- break ;
-
- }
-
- notremoved = kFALSE ;
-
- }
-
-
-
- } // else
-
-
-
- nextdigit.Reset() ;
-
-
-
- AliEMCALDigit * digitN ;
-
- index = 0 ;
-
- while (index < iDigitInCluster){ // scan over digits already in cluster
-
- digit = (AliEMCALDigit*)digits->At(clusterdigitslist[index]) ;
-
- index++ ;
-
- while ( (digitN = (AliEMCALDigit *)nextdigit()) ) { // scan over the reduced list of digits
-
- Int_t ineb = AreNeighbours(digit, digitN); // call (digit,digitN) in THAT oder !!!!!
-
- switch (ineb ) {
-
- case 0 : // not a neighbour
-
- break ;
-
- case 1 : // are neighbours
-
- clu->AddDigit(*digitN, Calibrate( digitN->GetAmp(), digitN->IsInPreShower() ) ) ;
-
- clusterdigitslist[iDigitInCluster] = digitN->GetIndexInList() ;
-
- iDigitInCluster++ ;
-
- digitsC->Remove(digitN) ;
-
- break ;
-
- case 2 : // too far from each other
-
- goto endofloop;
-
- } // switch
-
-
-
- } // while digitN
-
-
-
- endofloop: ;
-
- nextdigit.Reset() ;
-
-
-
- } // loop over cluster
-
-
-
- } // energy theshold
-
-
-
-
-
- } // while digit
-
-
-
- delete digitsC ;
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::MakeUnfolding()
-
-{
-
- Fatal("AliEMCALClusterizerv1::MakeUnfolding", "--> Unfolding not implemented") ;
-
-
-
-// // Unfolds clusters using the shape of an ElectroMagnetic shower
-
-// // Performs unfolding of all EMC/CPV clusters
-
-
-
-// AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
-
-
-// const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-
-// TObjArray * emcRecPoints = gime->TowerRecPoints() ;
-
-// TObjArray * cpvRecPoints = gime->PreShoRecPoints() ;
-
-// TClonesArray * digits = gime->Digits() ;
-
-
-
-// // Unfold first EMC clusters
-
-// if(fNumberOfTowerClusters > 0){
-
-
-
-// Int_t nModulesToUnfold = geom->GetNModules() ;
-
-
-
-// Int_t numberofNotUnfolded = fNumberOfTowerClusters ;
-
-// Int_t index ;
-
-// for(index = 0 ; index < numberofNotUnfolded ; index++){
-
-
-
-// AliEMCALTowerRecPoint * emcRecPoint = (AliEMCALTowerRecPoint *) emcRecPoints->At(index) ;
-
-// if(emcRecPoint->GetEMCALMod()> nModulesToUnfold)
-
-// break ;
-
-
-
-// Int_t nMultipl = emcRecPoint->GetMultiplicity() ;
-
-// Int_t * maxAt = new Int_t[nMultipl] ;
-
-// Float_t * maxAtEnergy = new Float_t[nMultipl] ;
-
-// Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fTowerLocMaxCut,digits) ;
-
-
-
-// if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0
-
-// UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ;
-
-// emcRecPoints->Remove(emcRecPoint);
-
-// emcRecPoints->Compress() ;
-
-// index-- ;
-
-// fNumberOfTowerClusters -- ;
-
-// numberofNotUnfolded-- ;
-
-// }
-
-
-
-// delete[] maxAt ;
-
-// delete[] maxAtEnergy ;
-
-// }
-
-// }
-
-// // Unfolding of EMC clusters finished
-
-
-
-
-
-// // Unfold now CPV clusters
-
-// if(fNumberOfPreShoClusters > 0){
-
-
-
-// Int_t nModulesToUnfold = geom->GetNModules() ;
-
-
-
-// Int_t numberofPreShoNotUnfolded = fNumberOfPreShoClusters ;
-
-// Int_t index ;
-
-// for(index = 0 ; index < numberofPreShoNotUnfolded ; index++){
-
-
-
-// AliEMCALRecPoint * recPoint = (AliEMCALRecPoint *) cpvRecPoints->At(index) ;
-
-
-
-// if(recPoint->GetEMCALMod()> nModulesToUnfold)
-
-// break ;
-
-
-
-// AliEMCALTowerRecPoint * emcRecPoint = (AliEMCALTowerRecPoint*) recPoint ;
-
-
-
-// Int_t nMultipl = emcRecPoint->GetMultiplicity() ;
-
-// Int_t * maxAt = new Int_t[nMultipl] ;
-
-// Float_t * maxAtEnergy = new Float_t[nMultipl] ;
-
-// Int_t nMax = emcRecPoint->GetNumberOfLocalMax(maxAt, maxAtEnergy,fPreShoLocMaxCut,digits) ;
-
-
-
-// if( nMax > 1 ) { // if cluster is very flat (no pronounced maximum) then nMax = 0
-
-// UnfoldCluster(emcRecPoint, nMax, maxAt, maxAtEnergy) ;
-
-// cpvRecPoints->Remove(emcRecPoint);
-
-// cpvRecPoints->Compress() ;
-
-// index-- ;
-
-// numberofPreShoNotUnfolded-- ;
-
-// fNumberOfPreShoClusters-- ;
-
-// }
-
-
-
-// delete[] maxAt ;
-
-// delete[] maxAtEnergy ;
-
-// }
-
-// }
-
-// //Unfolding of PreSho clusters finished
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-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()
-
-
-
- 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 ;
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::UnfoldCluster(AliEMCALTowerRecPoint * iniTower,
-
- Int_t nMax,
-
- AliEMCALDigit ** maxAt,
-
- Float_t * maxAtEnergy)
-
-{
-
- // Performs the unfolding of a cluster with nMax overlapping showers
-
-
-
- Fatal("AliEMCALClusterizerv1::UnfoldCluster", "--> Unfolding not implemented") ;
-
-
-
- // AliEMCALGetter * gime = AliEMCALGetter::GetInstance() ;
-
-// const AliEMCALGeometry * geom = gime->EMCALGeometry() ;
-
-// const TClonesArray * digits = gime->Digits() ;
-
-// TObjArray * emcRecPoints = gime->TowerRecPoints() ;
-
-// TObjArray * cpvRecPoints = gime->PreShoRecPoints() ;
-
-
-
-// Int_t nPar = 3 * nMax ;
-
-// Float_t * fitparameters = new Float_t[nPar] ;
-
-
-
-// Bool_t rv = FindFit(iniTower, maxAt, maxAtEnergy, nPar, fitparameters) ;
-
-// if( !rv ) {
-
-// // Fit failed, return and remove cluster
-
-// delete[] fitparameters ;
-
-// return ;
-
-// }
-
-
-
-// // create ufolded rec points and fill them with new energy lists
-
-// // First calculate energy deposited in each sell in accordance with fit (without fluctuations): efit[]
-
-// // and later correct this number in acordance with actual energy deposition
-
-
-
-// Int_t nDigits = iniTower->GetMultiplicity() ;
-
-// Float_t * efit = new Float_t[nDigits] ;
-
-// Float_t xDigit=0.,zDigit=0.,distance=0. ;
-
-// Float_t xpar=0.,zpar=0.,epar=0. ;
-
-// Int_t relid[4] ;
-
-// AliEMCALDigit * digit = 0 ;
-
-// Int_t * emcDigits = iniTower->GetDigitsList() ;
-
-
-
-// Int_t iparam ;
-
-// Int_t iDigit ;
-
-// for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
-
-// digit = (AliEMCALDigit*) digits->At(emcDigits[iDigit] ) ;
-
-// geom->AbsToRelNumbering(digit->GetId(), relid) ;
-
-// geom->RelPosInModule(relid, xDigit, zDigit) ;
-
-// efit[iDigit] = 0;
-
-
-
-// iparam = 0 ;
-
-// while(iparam < nPar ){
-
-// xpar = fitparameters[iparam] ;
-
-// zpar = fitparameters[iparam+1] ;
-
-// epar = fitparameters[iparam+2] ;
-
-// iparam += 3 ;
-
-// distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ;
-
-// distance = TMath::Sqrt(distance) ;
-
-// efit[iDigit] += epar * ShowerShape(distance) ;
-
-// }
-
-// }
-
-
-
-
-
-// // Now create new RecPoints and fill energy lists with efit corrected to fluctuations
-
-// // so that energy deposited in each cell is distributed betwin new clusters proportionally
-
-// // to its contribution to efit
-
-
-
-// Float_t * emcEnergies = iniTower->GetEnergiesList() ;
-
-// Float_t ratio ;
-
-
-
-// iparam = 0 ;
-
-// while(iparam < nPar ){
-
-// xpar = fitparameters[iparam] ;
-
-// zpar = fitparameters[iparam+1] ;
-
-// epar = fitparameters[iparam+2] ;
-
-// iparam += 3 ;
-
-
-
-// AliEMCALTowerRecPoint * emcRP = 0 ;
-
-
-
-// if(iniTower->IsTower()){ //create new entries in fTowerRecPoints...
-
-
-
-// if(fNumberOfTowerClusters >= emcRecPoints->GetSize())
-
-// emcRecPoints->Expand(2*fNumberOfTowerClusters) ;
-
-
-
-// (*emcRecPoints)[fNumberOfTowerClusters] = new AliEMCALTowerRecPoint("") ;
-
-// emcRP = (AliEMCALTowerRecPoint *) emcRecPoints->At(fNumberOfTowerClusters);
-
-// fNumberOfTowerClusters++ ;
-
-// }
-
-// else{//create new entries in fPreShoRecPoints
-
-// if(fNumberOfPreShoClusters >= cpvRecPoints->GetSize())
-
-// cpvRecPoints->Expand(2*fNumberOfPreShoClusters) ;
-
-
-
-// (*cpvRecPoints)[fNumberOfPreShoClusters] = new AliEMCALPreShoRecPoint("") ;
-
-// emcRP = (AliEMCALTowerRecPoint *) cpvRecPoints->At(fNumberOfPreShoClusters);
-
-// fNumberOfPreShoClusters++ ;
-
-// }
-
-
-
-// Float_t eDigit ;
-
-// for(iDigit = 0 ; iDigit < nDigits ; iDigit ++){
-
-// digit = (AliEMCALDigit*) digits->At( emcDigits[iDigit] ) ;
-
-// geom->AbsToRelNumbering(digit->GetId(), relid) ;
-
-// geom->RelPosInModule(relid, xDigit, zDigit) ;
-
-// distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ;
-
-// distance = TMath::Sqrt(distance) ;
-
-// ratio = epar * ShowerShape(distance) / efit[iDigit] ;
-
-// eDigit = emcEnergies[iDigit] * ratio ;
-
-// emcRP->AddDigit( *digit, eDigit ) ;
-
-// }
-
-// }
-
-
-
-// delete[] fitparameters ;
-
-// delete[] efit ;
-
-
-
-}
-
-
-
-//_____________________________________________________________________________
-
-void AliEMCALClusterizerv1::UnfoldingChiSquare(Int_t & nPar, Double_t * Grad, Double_t & fret, Double_t * x, Int_t iflag)
-
-{
-
- // Calculates the Chi square for the cluster unfolding minimization
-
- // Number of parameters, Gradient, Chi squared, parameters, what to do
-
-
-
- abort() ;
-
- // Fatal("AliEMCALClusterizerv1::UnfoldingChiSquare","-->Unfolding not implemented") ;
-
-
-
-// TList * toMinuit = (TList*) gMinuit->GetObjectFit() ;
-
-
-
-// AliEMCALTowerRecPoint * emcRP = (AliEMCALTowerRecPoint*) toMinuit->At(0) ;
-
-// TClonesArray * digits = (TClonesArray*)toMinuit->At(1) ;
-
-
-
-
-
-
-
-// // AliEMCALTowerRecPoint * emcRP = (AliEMCALTowerRecPoint *) gMinuit->GetObjectFit() ; // TowerRecPoint to fit
-
-
-
-// Int_t * emcDigits = emcRP->GetDigitsList() ;
-
-
-
-// Int_t nOdigits = emcRP->GetDigitsMultiplicity() ;
-
-
-
-// Float_t * emcEnergies = emcRP->GetEnergiesList() ;
-
-
-
-// const AliEMCALGeometry * geom = AliEMCALGetter::GetInstance()->EMCALGeometry() ;
-
-// 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 = (AliEMCALDigit*) digits->At( emcDigits[iDigit] ) ;
-
-
-
-// Int_t relid[4] ;
-
-// Float_t xDigit ;
-
-// Float_t zDigit ;
-
-
-
-// geom->AbsToRelNumbering(digit->GetId(), relid) ;
-
-
-
-// geom->RelPosInModule(relid, xDigit, zDigit) ;
-
-
-
-// if(iflag == 2){ // calculate gradient
-
-// Int_t iParam = 0 ;
-
-// efit = 0 ;
-
-// while(iParam < nPar ){
-
-// Double_t distance = (xDigit - x[iParam]) * (xDigit - x[iParam]) ;
-
-// iParam++ ;
-
-// distance += (zDigit - x[iParam]) * (zDigit - x[iParam]) ;
-
-// distance = TMath::Sqrt( distance ) ;
-
-// iParam++ ;
-
-// efit += x[iParam] * ShowerShape(distance) ;
-
-// iParam++ ;
-
-// }
-
-// Double_t sum = 2. * (efit - emcEnergies[iDigit]) / emcEnergies[iDigit] ; // Here we assume, that sigma = sqrt(E)
-
-// iParam = 0 ;
-
-// while(iParam < nPar ){
-
-// Double_t xpar = x[iParam] ;
-
-// Double_t zpar = x[iParam+1] ;
-
-// Double_t epar = x[iParam+2] ;
-
-// Double_t dr = TMath::Sqrt( (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) );
-
-// Double_t shape = sum * ShowerShape(dr) ;
-
-// Double_t r4 = dr*dr*dr*dr ;
-
-// Double_t r295 = TMath::Power(dr,2.95) ;
-
-// Double_t deriv =-4. * dr*dr * ( 2.32 / ( (2.32 + 0.26 * r4) * (2.32 + 0.26 * r4) ) +
-
-// 0.0316 * (1. + 0.0171 * r295) / ( ( 1. + 0.0652 * r295) * (1. + 0.0652 * r295) ) ) ;
-
-
-
-// Grad[iParam] += epar * shape * deriv * (xpar - xDigit) ; // Derivative over x
-
-// iParam++ ;
-
-// Grad[iParam] += epar * shape * deriv * (zpar - zDigit) ; // Derivative over z
-
-// iParam++ ;
-
-// Grad[iParam] += shape ; // Derivative over energy
-
-// iParam++ ;
-
-// }
-
-// }
-
-// efit = 0;
-
-// iparam = 0 ;
-
-
-
-// while(iparam < nPar ){
-
-// Double_t xpar = x[iparam] ;
-
-// Double_t zpar = x[iparam+1] ;
-
-// Double_t epar = x[iparam+2] ;
-
-// iparam += 3 ;
-
-// Double_t distance = (xDigit - xpar) * (xDigit - xpar) + (zDigit - zpar) * (zDigit - zpar) ;
-
-// distance = TMath::Sqrt(distance) ;
-
-// efit += epar * ShowerShape(distance) ;
-
-// }
-
-
-
-// fret += (efit-emcEnergies[iDigit])*(efit-emcEnergies[iDigit])/emcEnergies[iDigit] ;
-
-// // Here we assume, that sigma = sqrt(E)
-
-// }
-
-
-
-}
-
-
-
-//____________________________________________________________________________
-
-void AliEMCALClusterizerv1::Print(Option_t * option)const
-
-{
-
- // Print clusterizer parameters
-
-
-
- if( strcmp(GetName(), "") !=0 ){
-
-
-
- // Print parameters
-
-
-
- TString taskName(GetName()) ;
-
- taskName.ReplaceAll(Version(), "") ;
-
-
-
- cout << "---------------"<< taskName.Data() << " " << GetTitle()<< "-----------" << endl
-
- << "Clusterizing digits from the file: " << taskName.Data() << endl
-
- << " Branch: " << GetName() << endl
-
- << endl
-
- << " EMC Clustering threshold = " << fTowerClusteringThreshold << endl
-
- << " EMC Local Maximum cut = " << fTowerLocMaxCut << endl
-
- << " EMC Logarothmic weight = " << fW0 << endl
-
- << endl
-
- << " CPV Clustering threshold = " << fPreShoClusteringThreshold << endl
-
- << " CPV Local Maximum cut = " << fPreShoLocMaxCut << endl
-
- << " CPV Logarothmic weight = " << fW0CPV << endl
-
- << endl ;
-
- if(fToUnfold)
-
- cout << " Unfolding on " << endl ;
-
- else
-
- cout << " Unfolding off " << endl ;
-
-
-
- cout << "------------------------------------------------------------------" <<endl ;
-
- }
-
- else
-
- cout << " AliEMCALClusterizerv1 not initialized " << endl ;
-
-}