#include "AliEMCALGeometry.h"
#include "AliVCluster.h"
#include "AliVCaloCells.h"
+#include "AliVEvent.h"
#include "AliLog.h"
+#include "AliEMCALPIDUtils.h"
+#include "AliPID.h"
+#include "AliESDEvent.h"
+#include "AliESDtrack.h"
+#include "AliEMCALTrack.h"
ClassImp(AliEMCALRecoUtils)
fNonLinearityFunction (kNoCorrection), fParticleType(kPhoton),
fPosAlgo(kUnchanged),fW0(4.),
fRecalibration(kFALSE), fEMCALRecalibrationFactors(),
- fRemoveBadChannels(kFALSE),fEMCALBadChannelMap(),
- fNCellsFromEMCALBorder(0),fNoEMCALBorderAtEta0(kFALSE)
+ fRemoveBadChannels(kFALSE), fRecalDistToBadChannels(kFALSE), fEMCALBadChannelMap(),
+ fNCellsFromEMCALBorder(0), fNoEMCALBorderAtEta0(kTRUE),
+ fMatchedClusterIndex(0x0), fResidualZ(0x0), fResidualR(0x0), fCutR(20), fCutZ(20),
+ fCutMinNClusterTPC(0), fCutMinNClusterITS(0), fCutMaxChi2PerClusterTPC(0), fCutMaxChi2PerClusterITS(0),
+ fCutRequireTPCRefit(0), fCutRequireITSRefit(0), fCutAcceptKinkDaughters(0),
+ fCutMaxDCAToVertexXY(0), fCutMaxDCAToVertexZ(0),fCutDCAToVertex2D(0),
+ fPIDUtils()
{
//
// Constructor.
fNonLinearityParams[0] = 0.1457/0.1349766/1.038;
fNonLinearityParams[1] = -0.02024/0.1349766/1.038;
fNonLinearityParams[2] = 1.046;
+
+ fMatchedClusterIndex = new TArrayI();
+ fResidualZ = new TArrayF();
+ fResidualR = new TArrayF();
+ fPIDUtils = new AliEMCALPIDUtils();
+
+ InitTrackCuts();
+
}
//______________________________________________________________________
: TNamed(reco), fNonLinearityFunction(reco.fNonLinearityFunction),
fParticleType(reco.fParticleType), fPosAlgo(reco.fPosAlgo), fW0(reco.fW0),
fRecalibration(reco.fRecalibration),fEMCALRecalibrationFactors(reco.fEMCALRecalibrationFactors),
- fRemoveBadChannels(reco.fRemoveBadChannels),fEMCALBadChannelMap(reco.fEMCALBadChannelMap),
- fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder),fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0)
+ fRemoveBadChannels(reco.fRemoveBadChannels),fRecalDistToBadChannels(reco.fRecalDistToBadChannels),
+ fEMCALBadChannelMap(reco.fEMCALBadChannelMap),
+ fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder),fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0),
+ fMatchedClusterIndex(reco.fMatchedClusterIndex?new TArrayI(*reco.fMatchedClusterIndex):0x0),
+ fResidualZ(reco.fResidualZ?new TArrayF(*reco.fResidualZ):0x0),
+ fResidualR(reco.fResidualR?new TArrayF(*reco.fResidualR):0x0),
+ fCutR(reco.fCutR),fCutZ(reco.fCutZ),
+ fCutMinNClusterTPC(reco.fCutMinNClusterTPC), fCutMinNClusterITS(reco.fCutMinNClusterITS),
+ fCutMaxChi2PerClusterTPC(reco.fCutMaxChi2PerClusterTPC), fCutMaxChi2PerClusterITS(reco.fCutMaxChi2PerClusterITS),
+ fCutRequireTPCRefit(reco.fCutRequireTPCRefit), fCutRequireITSRefit(reco.fCutRequireITSRefit),
+ fCutAcceptKinkDaughters(reco.fCutAcceptKinkDaughters),
+ fCutMaxDCAToVertexXY(reco.fCutMaxDCAToVertexXY), fCutMaxDCAToVertexZ(reco.fCutMaxDCAToVertexZ),fCutDCAToVertex2D(reco.fCutDCAToVertex2D),
+ fPIDUtils(reco.fPIDUtils)
{
//Copy ctor
fMisalTransShift[i] = reco.fMisalTransShift[i];
}
for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i];
+
}
fRecalibration = reco.fRecalibration;
fEMCALRecalibrationFactors = reco.fEMCALRecalibrationFactors;
fRemoveBadChannels = reco.fRemoveBadChannels;
+ fRecalDistToBadChannels= reco.fRecalDistToBadChannels;
fEMCALBadChannelMap = reco.fEMCALBadChannelMap;
fNCellsFromEMCALBorder = reco.fNCellsFromEMCALBorder;
fNoEMCALBorderAtEta0 = reco.fNoEMCALBorderAtEta0;
-
+
+
for(Int_t i = 0; i < 15 ; i++) {fMisalTransShift[i] = reco.fMisalTransShift[i]; fMisalRotShift[i] = reco.fMisalRotShift[i];}
for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i];
+ fCutR = reco.fCutR;
+ fCutZ = reco.fCutZ;
+
+ fCutMinNClusterTPC = reco.fCutMinNClusterTPC;
+ fCutMinNClusterITS = reco.fCutMinNClusterITS;
+ fCutMaxChi2PerClusterTPC = reco.fCutMaxChi2PerClusterTPC;
+ fCutMaxChi2PerClusterITS = reco.fCutMaxChi2PerClusterITS;
+ fCutRequireTPCRefit = reco.fCutRequireTPCRefit;
+ fCutRequireITSRefit = reco.fCutRequireITSRefit;
+ fCutAcceptKinkDaughters = reco.fCutAcceptKinkDaughters;
+ fCutMaxDCAToVertexXY = reco.fCutMaxDCAToVertexXY;
+ fCutMaxDCAToVertexZ = reco.fCutMaxDCAToVertexZ;
+ fCutDCAToVertex2D = reco.fCutDCAToVertex2D;
+
+ fPIDUtils = reco.fPIDUtils;
+
+
+ if(reco.fResidualR){
+ // assign or copy construct
+ if(fResidualR){
+ *fResidualR = *reco.fResidualR;
+ }
+ else fResidualR = new TArrayF(*reco.fResidualR);
+ }
+ else{
+ if(fResidualR)delete fResidualR;
+ fResidualR = 0;
+ }
+
+ if(reco.fResidualZ){
+ // assign or copy construct
+ if(fResidualZ){
+ *fResidualZ = *reco.fResidualZ;
+ }
+ else fResidualZ = new TArrayF(*reco.fResidualZ);
+ }
+ else{
+ if(fResidualZ)delete fResidualZ;
+ fResidualZ = 0;
+ }
+
+
+ if(reco.fMatchedClusterIndex){
+ // assign or copy construct
+ if(fMatchedClusterIndex){
+ *fMatchedClusterIndex = *reco.fMatchedClusterIndex;
+ }
+ else fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex);
+ }
+ else{
+ if(fMatchedClusterIndex)delete fMatchedClusterIndex;
+ fMatchedClusterIndex = 0;
+ }
+
+
return *this;
}
fEMCALBadChannelMap->Clear();
delete fEMCALBadChannelMap;
}
-
+
+ if(fMatchedClusterIndex) {delete fMatchedClusterIndex; fMatchedClusterIndex=0;}
+ if(fResidualR) {delete fResidualR; fResidualR=0;}
+ if(fResidualZ) {delete fResidualZ; fResidualZ=0;}
+
}
//_______________________________________________________________
//If the distance to the border is 0 or negative just exit accept all clusters
if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE;
- Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
- GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi);
+ Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
+ Bool_t shared = kFALSE;
+ GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared);
- AliDebug(2,Form("AliEMCALRecoUtils::CheckCellFiducialRegion() - Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f\n",
- absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E()));
+ AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n",
+ absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0));
if(absIdMax==-1) return kFALSE;
}
}//eta 0 not checked
- AliDebug(2,Form("AliEMCALRecoUtils::CheckCellFiducialRegion() - EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d",
+ AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq",
fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow));
- if (okcol && okrow) return kTRUE;
- else return kFALSE;
+ if (okcol && okrow) {
+ //printf("Accept\n");
+ return kTRUE;
+ }
+ else {
+ //printf("Reject\n");
+ AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM));
+ return kFALSE;
+ }
}
geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta);
if(fEMCALBadChannelMap->GetEntries() <= imod) continue;
geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
- if(GetEMCALChannelStatus(imod, icol, irow))return kTRUE;
+ if(GetEMCALChannelStatus(imod, icol, irow)){
+ AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow));
+ return kTRUE;
+ }
}// cell cluster loop
switch (fNonLinearityFunction) {
case kPi0MC:
+ {
//Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2)))))
- //Double_t par0 = 1.001;
- //Double_t par1 = -0.01264;
- //Double_t par2 = -0.03632;
- //Double_t par3 = 0.1798;
- //Double_t par4 = -0.522;
+ //Double_t fNonLinearityParams[0] = 1.001;
+ //Double_t fNonLinearityParams[1] = -0.01264;
+ //Double_t fNonLinearityParams[2] = -0.03632;
+ //Double_t fNonLinearityParams[3] = 0.1798;
+ //Double_t fNonLinearityParams[4] = -0.522;
energy /= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+
((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())*
exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3]))));
break;
+ }
case kPi0GammaGamma:
-
+ {
//Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E))
- //Double_t par0 = 0.1457;
- //Double_t par1 = -0.02024;
- //Double_t par2 = 1.046;
+ //Double_t fNonLinearityParams[0] = 0.1457;
+ //Double_t fNonLinearityParams[1] = -0.02024;
+ //Double_t fNonLinearityParams[2] = 1.046;
energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function
break;
+ }
case kPi0GammaConversion:
-
+ {
//Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)])
- //Double_t C = 0.139393/0.1349766;
- //Double_t a = 0.0566186;
- //Double_t b = 0.982133;
+ //fNonLinearityParams[0] = 0.139393/0.1349766;
+ //fNonLinearityParams[1] = 0.0566186;
+ //fNonLinearityParams[2] = 0.982133;
energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy));
break;
+ }
+
+ case kBeamTest:
+ {
+ //From beam test, Alexei's results, for different ZS thresholds
+ // th=30 MeV; th = 45 MeV; th = 75 MeV
+ //fNonLinearityParams[0] = 0.107; 1.003; 1.002
+ //fNonLinearityParams[1] = 0.894; 0.719; 0.797
+ //fNonLinearityParams[2] = 0.246; 0.334; 0.358
+ energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]));
+
+ break;
+ }
case kNoCorrection:
AliDebug(2,"No correction on the energy\n");
//Calculate shower depth for a given cluster energy and particle type
// parameters
- Float_t x0 = 1.23;
+ Float_t x0 = 1.31;
Float_t ecr = 8;
Float_t depth = 0;
}
//__________________________________________________
-void AliEMCALRecoUtils::GetMaxEnergyCell(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu, Int_t & absId, Int_t& iSupMod, Int_t& ieta, Int_t& iphi)
+void AliEMCALRecoUtils::GetMaxEnergyCell(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu,
+ Int_t & absId, Int_t& iSupMod, Int_t& ieta, Int_t& iphi, Bool_t &shared)
{
//For a given CaloCluster gets the absId of the cell
//with maximum energy deposit.
Int_t iTower = -1;
Int_t iIphi = -1;
Int_t iIeta = -1;
-
+ Int_t iSupMod0= -1;
+ //printf("---Max?\n");
for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
cellAbsId = clu->GetCellAbsId(iDig);
fraction = clu->GetCellAmplitudeFraction(iDig);
+ //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction);
if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
+ geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
+ if(iDig==0) iSupMod0=iSupMod;
+ else if(iSupMod0!=iSupMod) {
+ shared = kTRUE;
+ //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n");
+ }
if(IsRecalibrationOn()) {
- geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
- geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
}
eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor;
-
+ //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction);
if(eCell > eMax) {
eMax = eCell;
absId = cellAbsId;
geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
//Gives SuperModule and Tower numbers
geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
- iIphi, iIeta,iphi,ieta);
+ iIphi, iIeta,iphi,ieta);
+ //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi);
+ //printf("Max end---\n");
}
Bool_t oldStatus = TH1::AddDirectoryStatus();
TH1::AddDirectory(kFALSE);
- fEMCALRecalibrationFactors = new TObjArray(12);
+ fEMCALRecalibrationFactors = new TObjArray(10);
for (int i = 0; i < 12; i++) fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24));
//Init the histograms with 1
for (Int_t sm = 0; sm < 12; sm++) {
Bool_t oldStatus = TH1::AddDirectoryStatus();
TH1::AddDirectory(kFALSE);
- fEMCALBadChannelMap = new TObjArray(12);
+ fEMCALBadChannelMap = new TObjArray(10);
//TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24);
- for (int i = 0; i < 12; i++) {
+ for (int i = 0; i < 10; i++) {
fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24));
}
Float_t weight = 0., totalWeight=0.;
Float_t newPos[3] = {0,0,0};
Double_t pLocal[3], pGlobal[3];
-
+ Bool_t shared = kFALSE;
+
Float_t clEnergy = clu->E(); //Energy already recalibrated previously
-
- GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi);
+ GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ;
+ //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth);
+
for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
absId = clu->GetCellAbsId(iDig);
fraction = clu->GetCellAmplitudeFraction(iDig);
eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
weight = GetCellWeight(eCell,clEnergy);
+ //printf("cell energy %f, weight %f\n",eCell,weight);
totalWeight += weight;
geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]);
+ //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId);
geom->GetGlobal(pLocal,pGlobal,iSupModMax);
-
+ //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]);
+
for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]);
}// cell loop
for(int i=0; i<3; i++ ) newPos[i] /= totalWeight;
}
- //printf("iSM %d \n",iSupMod);
//Float_t pos[]={0,0,0};
//clu->GetPosition(pos);
//printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]);
-
-
- //printf("NewPos a: %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
+ //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
if(iSupModMax > 1) {//sector 1
newPos[0] +=fMisalTransShift[3];//-=3.093;
newPos[1] +=fMisalTransShift[4];//+=6.82;
newPos[2] +=fMisalTransShift[5];//+=1.635;
+ //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]);
+
}
else {//sector 0
newPos[0] +=fMisalTransShift[0];//+=1.134;
newPos[1] +=fMisalTransShift[1];//+=8.2;
newPos[2] +=fMisalTransShift[2];//+=1.197;
+ //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]);
+
}
-
+ //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
+
clu->SetPosition(newPos);
}
Int_t iIphi = -1, iIeta = -1;
Int_t iSupMod = -1, iSupModMax = -1;
Int_t iphi = -1, ieta =-1;
-
+ Bool_t shared = kFALSE;
+
Float_t clEnergy = clu->E(); //Energy already recalibrated previously.
- GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi);
+ GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ;
Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.;
}
+//____________________________________________________________________________
+void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster){
+
+ //re-evaluate distance to bad channel with updated bad map
+
+ if(!fRecalDistToBadChannels) return;
+
+ //Get channels map of the supermodule where the cluster is.
+ Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1;
+ Bool_t shared = kFALSE;
+ GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared);
+ TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod);
+
+ Int_t dRrow, dRcol;
+ Float_t minDist = 10000.;
+ Float_t dist = 0.;
+
+ //Loop on tower status map
+ for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
+ for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
+ //Check if tower is bad.
+ if(hMap->GetBinContent(icol,irow)==0) continue;
+ //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n",
+ // iSupMod,icol, irow, icolM,irowM);
+
+ dRrow=TMath::Abs(irowM-irow);
+ dRcol=TMath::Abs(icolM-icol);
+ dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
+ if(dist < minDist){
+ //printf("MIN DISTANCE TO BAD %2.2f\n",dist);
+ minDist = dist;
+ }
+
+ }
+ }
+
+ //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
+ if (shared) {
+ TH2D* hMap2 = 0;
+ Int_t iSupMod2 = -1;
+
+ //The only possible combinations are (0,1), (2,3) ... (8,9)
+ if(iSupMod%2) iSupMod2 = iSupMod-1;
+ else iSupMod2 = iSupMod+1;
+ hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2);
+
+ //Loop on tower status map of second super module
+ for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
+ for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
+ //Check if tower is bad.
+ if(hMap2->GetBinContent(icol,irow)==0) continue;
+ //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels(shared) - \n \t Bad channel in SM %d, col %d, row %d \n \t Cluster max in SM %d, col %d, row %d\n",
+ // iSupMod2,icol, irow,iSupMod,icolM,irowM);
+
+ dRrow=TMath::Abs(irow-irowM);
+
+ if(iSupMod%2) {
+ dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM));
+ }
+ else {
+ dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM);
+ }
+
+ dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
+ if(dist < minDist) minDist = dist;
+
+ }
+ }
+
+ }// shared cluster in 2 SuperModules
+
+ AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist));
+ cluster->SetDistanceToBadChannel(minDist);
+
+}
+
+//____________________________________________________________________________
+void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster){
+
+ //re-evaluate identification parameters with bayesian
+
+ if ( cluster->GetM02() != 0)
+ fPIDUtils->ComputePID(cluster->E(),cluster->GetM02());
+
+ Float_t pidlist[AliPID::kSPECIESN+1];
+ for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i);
+
+ cluster->SetPID(pidlist);
+
+}
+
+//____________________________________________________________________________
+void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster)
+{
+ // Calculates new center of gravity in the local EMCAL-module coordinates
+ // and tranfers into global ALICE coordinates
+ // Calculates Dispersion and main axis
+
+ Int_t nstat = 0;
+ Float_t wtot = 0. ;
+ Double_t eCell = 0.;
+ Float_t fraction = 1.;
+ Float_t recalFactor = 1.;
+
+ Int_t iSupMod = -1;
+ Int_t iTower = -1;
+ Int_t iIphi = -1;
+ Int_t iIeta = -1;
+ Int_t iphi = -1;
+ Int_t ieta = -1;
+ Double_t etai = -1.;
+ Double_t phii = -1.;
+
+ Double_t w = 0.;
+ Double_t d = 0.;
+ Double_t dxx = 0.;
+ Double_t dzz = 0.;
+ Double_t dxz = 0.;
+ Double_t xmean = 0.;
+ Double_t zmean = 0.;
+
+ //Loop on cells
+ for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) {
+
+ //Get from the absid the supermodule, tower and eta/phi numbers
+ geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
+
+ //Get the cell energy, if recalibration is on, apply factors
+ fraction = cluster->GetCellAmplitudeFraction(iDigit);
+ if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
+ if(IsRecalibrationOn()) {
+ recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
+ }
+ eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
+
+ if(cluster->E() > 0 && eCell > 0){
+
+ w = GetCellWeight(eCell,cluster->E());
+
+ etai=(Double_t)ieta;
+ phii=(Double_t)iphi;
+ if(w > 0.0) {
+ wtot += w ;
+ nstat++;
+ //Shower shape
+ dxx += w * etai * etai ;
+ xmean+= w * etai ;
+ dzz += w * phii * phii ;
+ zmean+= w * phii ;
+ dxz += w * etai * phii ;
+ }
+ }
+ else
+ AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
+ }//cell loop
+
+ //Normalize to the weight
+ if (wtot > 0) {
+ xmean /= wtot ;
+ zmean /= wtot ;
+ }
+ else
+ AliError(Form("Wrong weight %f\n", wtot));
+
+ //Calculate dispersion
+ for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) {
+
+ //Get from the absid the supermodule, tower and eta/phi numbers
+ geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
+ geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
+
+ //Get the cell energy, if recalibration is on, apply factors
+ fraction = cluster->GetCellAmplitudeFraction(iDigit);
+ if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
+ if(IsRecalibrationOn()) {
+ recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
+ }
+ eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
+
+ if(cluster->E() > 0 && eCell > 0){
+
+ w = GetCellWeight(eCell,cluster->E());
+
+ etai=(Double_t)ieta;
+ phii=(Double_t)iphi;
+ if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean));
+ }
+ else
+ AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
+ }// cell loop
+
+ //Normalize to the weigth and set shower shape parameters
+ if (wtot > 0 && nstat > 1) {
+ d /= wtot ;
+ dxx /= wtot ;
+ dzz /= wtot ;
+ dxz /= wtot ;
+ dxx -= xmean * xmean ;
+ dzz -= zmean * zmean ;
+ dxz -= xmean * zmean ;
+ cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
+ cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
+ }
+ else{
+ d=0. ;
+ cluster->SetM20(0.) ;
+ cluster->SetM02(0.) ;
+ }
+
+ if (d>=0)
+ cluster->SetDispersion(TMath::Sqrt(d)) ;
+ else
+ cluster->SetDispersion(0) ;
+
+}
+
+//__________________________________________________
+void AliEMCALRecoUtils::FindMatches(AliVEvent *event)
+{
+ //This function should be called before the cluster loop
+ //Before call this function, please recalculate the cluster positions
+ //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR
+ //Store matched cluster indexes and residuals
+ //It only works with ESDs, not AODs
+
+ fMatchedClusterIndex->Reset();
+ fResidualZ->Reset();
+ fResidualR->Reset();
+
+ fMatchedClusterIndex->Set(100);
+ fResidualZ->Set(100);
+ fResidualR->Set(100);
+
+ Int_t matched=0;
+ Float_t clsPos[3];
+ Double_t trkPos[3];
+ for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++)
+ {
+ AliESDtrack *track = ((AliESDEvent*)event)->GetTrack(itr);
+ if(!track || !IsAccepted(track)) continue;
+
+ Float_t dRMax = fCutR, dZMax = fCutZ;
+ Int_t index = -1;
+ AliEMCALTrack *emctrack = new AliEMCALTrack(*track);
+ for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
+ {
+ AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
+ if(!cluster->IsEMCAL()) continue;
+ cluster->GetPosition(clsPos); //Has been recalculated
+ if(!emctrack->PropagateToGlobal(clsPos[0],clsPos[1],clsPos[2],0.,0.) ) continue;
+ emctrack->GetXYZ(trkPos);
+ Float_t tmpR = TMath::Sqrt( TMath::Power(clsPos[0]-trkPos[0],2)+TMath::Power(clsPos[1]-trkPos[1],2)+TMath::Power(clsPos[2]-trkPos[2],2) );
+ Float_t tmpZ = TMath::Abs(clsPos[2]-trkPos[2]);
+
+ if(tmpR<dRMax)
+ {
+ dRMax=tmpR;
+ dZMax=tmpZ;
+ index=icl;
+ }
+
+ }//cluser loop
+
+ if(index>-1)
+ {
+ fMatchedClusterIndex->AddAt(index,matched);
+ fResidualZ->AddAt(dZMax,matched);
+ fResidualR->AddAt(dRMax,matched);
+ matched++;
+ }
+ delete emctrack;
+ }//track loop
+ fMatchedClusterIndex->Set(matched);
+ fResidualZ->Set(matched);
+ fResidualR->Set(matched);
+
+ //printf("Number of matched pairs: %d\n",matched);
+}
+
+//__________________________________________________
+void AliEMCALRecoUtils::GetMatchedResiduals(Int_t index, Float_t &dR, Float_t &dZ)
+{
+ //Given a cluster index as in AliESDEvent::GetCaloCluster(index)
+ //Get the residuals dR and dZ for this cluster
+ //It only works with ESDs, not AODs
+
+ if( FindMatchedPos(index) >= 999 )
+ {
+ AliDebug(2,"No matched tracks found!\n");
+ dR=999.;
+ dZ=999.;
+ return;
+ }
+ dR = fResidualR->At(FindMatchedPos(index));
+ dZ = fResidualZ->At(FindMatchedPos(index));
+}
+
+//__________________________________________________
+Bool_t AliEMCALRecoUtils::IsMatched(Int_t index)
+{
+ //Given a cluster index as in AliESDEvent::GetCaloCluster(index)
+ //Returns if cluster has a match
+ if(FindMatchedPos(index) < 999)
+ return kTRUE;
+ else
+ return kFALSE;
+}
+//__________________________________________________
+UInt_t AliEMCALRecoUtils::FindMatchedPos(Int_t index) const
+{
+ //Given a cluster index as in AliESDEvent::GetCaloCluster(index)
+ //Returns the position of the match in the fMatchedClusterIndex array
+ Float_t tmpR = fCutR;
+ UInt_t pos = 999;
+
+ for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++)
+ {
+ if(fMatchedClusterIndex->At(i)==index && fResidualR->At(i)<tmpR)
+ {
+ pos=i;
+ tmpR=fResidualR->At(i);
+ }
+ AliDebug(3,Form("Matched cluster pos: %d, index: %d, dR: %2.4f, dZ: %2.4f.\n",i,fMatchedClusterIndex->At(i),fResidualR->At(i),fResidualZ->At(i)));
+ }
+ return pos;
+}
+
+Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack)
+{
+ // Given a esd track, return whether the track survive all the cuts
+
+ // The different quality parameter are first
+ // retrieved from the track. then it is found out what cuts the
+ // track did not survive and finally the cuts are imposed.
+
+ UInt_t status = esdTrack->GetStatus();
+
+ Int_t nClustersITS = esdTrack->GetITSclusters(0);
+ Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
+
+ Float_t chi2PerClusterITS = -1;
+ Float_t chi2PerClusterTPC = -1;
+ if (nClustersITS!=0)
+ chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
+ if (nClustersTPC!=0)
+ chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
+
+
+ //DCA cuts
+ Float_t MaxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
+ //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep));
+ SetMaxDCAToVertexXY(MaxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane
+
+
+ Float_t b[2];
+ Float_t bCov[3];
+ esdTrack->GetImpactParameters(b,bCov);
+ if (bCov[0]<=0 || bCov[2]<=0) {
+ AliDebug(1, "Estimated b resolution lower or equal zero!");
+ bCov[0]=0; bCov[2]=0;
+ }
+
+ Float_t dcaToVertexXY = b[0];
+ Float_t dcaToVertexZ = b[1];
+ Float_t dcaToVertex = -1;
+
+ if (fCutDCAToVertex2D)
+ dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
+ else
+ dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
+
+ // cut the track?
+
+ Bool_t cuts[kNCuts];
+ for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
+
+ // track quality cuts
+ if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
+ cuts[0]=kTRUE;
+ if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
+ cuts[1]=kTRUE;
+ if (nClustersTPC<fCutMinNClusterTPC)
+ cuts[2]=kTRUE;
+ if (nClustersITS<fCutMinNClusterITS)
+ cuts[3]=kTRUE;
+ if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
+ cuts[4]=kTRUE;
+ if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
+ cuts[5]=kTRUE;
+ if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
+ cuts[6]=kTRUE;
+ if (fCutDCAToVertex2D && dcaToVertex > 1)
+ cuts[7] = kTRUE;
+ if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
+ cuts[8] = kTRUE;
+ if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
+ cuts[9] = kTRUE;
+
+ //Require at least one SPD point + anything else in ITS
+ if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE)
+ cuts[10] = kTRUE;
+
+ Bool_t cut=kFALSE;
+ for (Int_t i=0; i<kNCuts; i++)
+ if (cuts[i]) {cut = kTRUE;}
+
+ // cut the track
+ if (cut)
+ return kFALSE;
+ else
+ return kTRUE;
+}
+//__________________________________________________
+void AliEMCALRecoUtils::InitTrackCuts()
+{
+ //Intilize the track cut criteria
+ //By default these cuts are set according to AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
+ //Also you can customize the cuts using the setters
+
+ //TPC
+ SetMinNClustersTPC(70);
+ SetMaxChi2PerClusterTPC(4);
+ SetAcceptKinkDaughters(kFALSE);
+ SetRequireTPCRefit(kTRUE);
+
+ //ITS
+ SetRequireITSRefit(kTRUE);
+ SetMaxDCAToVertexZ(2);
+ SetDCAToVertex2D(kFALSE);
+}
+
//__________________________________________________
void AliEMCALRecoUtils::Print(const Option_t *) const
{
for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]);
printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration);
+
+ printf("Matching criteria: dR < %2.2f[cm], dZ < %2.2f[cm]\n",fCutR,fCutZ);
+
+ printf("Track cuts: \n");
+ printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit);
+ printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters);
+ printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS);
+ printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS);
+ printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ);
+
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff