1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 /* $Id: AliEMCALRecoUtils.cxx 33808 2009-07-15 09:48:08Z gconesab $ */
18 ///////////////////////////////////////////////////////////////////////////////
20 // Class AliEMCALRecoUtils
21 // Some utilities to recalculate the cluster position or energy linearity
24 // Author: Gustavo Conesa (LPSC- Grenoble)
25 // Track matching part: Rongrong Ma (Yale)
27 ///////////////////////////////////////////////////////////////////////////////
30 // standard C++ includes
31 //#include <Riostream.h>
34 #include <TGeoManager.h>
35 #include <TGeoMatrix.h>
40 #include <TObjArray.h>
43 #include "AliVCluster.h"
44 #include "AliVCaloCells.h"
47 #include "AliESDEvent.h"
48 #include "AliAODEvent.h"
49 #include "AliESDtrack.h"
50 #include "AliAODTrack.h"
51 #include "AliExternalTrackParam.h"
52 #include "AliESDfriendTrack.h"
53 #include "AliTrackerBase.h"
56 #include "AliEMCALRecoUtils.h"
57 #include "AliEMCALGeometry.h"
58 #include "AliTrackerBase.h"
59 #include "AliEMCALCalibTimeDepCorrection.h" // Run dependent
60 #include "AliEMCALPIDUtils.h"
63 ClassImp(AliEMCALRecoUtils)
65 //_____________________________________
66 AliEMCALRecoUtils::AliEMCALRecoUtils():
67 fParticleType(0), fPosAlgo(0), fW0(0),
68 fNonLinearityFunction(0), fNonLinearThreshold(0),
69 fSmearClusterEnergy(kFALSE), fRandom(),
70 fCellsRecalibrated(kFALSE), fRecalibration(kFALSE), fEMCALRecalibrationFactors(),
71 fTimeRecalibration(kFALSE), fEMCALTimeRecalibrationFactors(),
72 fUseRunCorrectionFactors(kFALSE), fRunCorrectionFactorsSet(kFALSE),
73 fRemoveBadChannels(kFALSE), fRecalDistToBadChannels(kFALSE), fEMCALBadChannelMap(),
74 fNCellsFromEMCALBorder(0), fNoEMCALBorderAtEta0(kTRUE),
75 fRejectExoticCluster(kFALSE), fRejectExoticCells(kFALSE),
76 fExoticCellFraction(0), fExoticCellDiffTime(0), fExoticCellMinAmplitude(0),
77 fPIDUtils(), fAODFilterMask(0),
78 fMatchedTrackIndex(0x0), fMatchedClusterIndex(0x0),
79 fResidualEta(0x0), fResidualPhi(0x0), fCutEtaPhiSum(kFALSE), fCutEtaPhiSeparate(kFALSE),
80 fCutR(0), fCutEta(0), fCutPhi(0),
81 fClusterWindow(0), fMass(0),
82 fStepSurface(0), fStepCluster(0),
83 fTrackCutsType(0), fCutMinTrackPt(0), fCutMinNClusterTPC(0),
84 fCutMinNClusterITS(0), fCutMaxChi2PerClusterTPC(0), fCutMaxChi2PerClusterITS(0),
85 fCutRequireTPCRefit(kFALSE), fCutRequireITSRefit(kFALSE), fCutAcceptKinkDaughters(kFALSE),
86 fCutMaxDCAToVertexXY(0), fCutMaxDCAToVertexZ(0), fCutDCAToVertex2D(kFALSE)
90 // Initialize all constant values which have to be used
91 // during Reco algorithm execution
98 fMatchedTrackIndex = new TArrayI();
99 fMatchedClusterIndex = new TArrayI();
100 fResidualPhi = new TArrayF();
101 fResidualEta = new TArrayF();
102 fPIDUtils = new AliEMCALPIDUtils();
107 //______________________________________________________________________
108 AliEMCALRecoUtils::AliEMCALRecoUtils(const AliEMCALRecoUtils & reco)
110 fParticleType(reco.fParticleType), fPosAlgo(reco.fPosAlgo), fW0(reco.fW0),
111 fNonLinearityFunction(reco.fNonLinearityFunction), fNonLinearThreshold(reco.fNonLinearThreshold),
112 fSmearClusterEnergy(reco.fSmearClusterEnergy), fRandom(),
113 fCellsRecalibrated(reco.fCellsRecalibrated),
114 fRecalibration(reco.fRecalibration), fEMCALRecalibrationFactors(reco.fEMCALRecalibrationFactors),
115 fTimeRecalibration(reco.fTimeRecalibration), fEMCALTimeRecalibrationFactors(reco.fEMCALTimeRecalibrationFactors),
116 fUseRunCorrectionFactors(reco.fUseRunCorrectionFactors), fRunCorrectionFactorsSet(reco.fRunCorrectionFactorsSet),
117 fRemoveBadChannels(reco.fRemoveBadChannels), fRecalDistToBadChannels(reco.fRecalDistToBadChannels),
118 fEMCALBadChannelMap(reco.fEMCALBadChannelMap),
119 fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder), fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0),
120 fRejectExoticCluster(reco.fRejectExoticCluster), fRejectExoticCells(reco.fRejectExoticCells),
121 fExoticCellFraction(reco.fExoticCellFraction), fExoticCellDiffTime(reco.fExoticCellDiffTime),
122 fExoticCellMinAmplitude(reco.fExoticCellMinAmplitude),
123 fPIDUtils(reco.fPIDUtils), fAODFilterMask(reco.fAODFilterMask),
124 fMatchedTrackIndex( reco.fMatchedTrackIndex? new TArrayI(*reco.fMatchedTrackIndex):0x0),
125 fMatchedClusterIndex(reco.fMatchedClusterIndex?new TArrayI(*reco.fMatchedClusterIndex):0x0),
126 fResidualEta( reco.fResidualEta? new TArrayF(*reco.fResidualEta):0x0),
127 fResidualPhi( reco.fResidualPhi? new TArrayF(*reco.fResidualPhi):0x0),
128 fCutEtaPhiSum(reco.fCutEtaPhiSum), fCutEtaPhiSeparate(reco.fCutEtaPhiSeparate),
129 fCutR(reco.fCutR), fCutEta(reco.fCutEta), fCutPhi(reco.fCutPhi),
130 fClusterWindow(reco.fClusterWindow),
131 fMass(reco.fMass), fStepSurface(reco.fStepSurface), fStepCluster(reco.fStepCluster),
132 fTrackCutsType(reco.fTrackCutsType), fCutMinTrackPt(reco.fCutMinTrackPt),
133 fCutMinNClusterTPC(reco.fCutMinNClusterTPC), fCutMinNClusterITS(reco.fCutMinNClusterITS),
134 fCutMaxChi2PerClusterTPC(reco.fCutMaxChi2PerClusterTPC), fCutMaxChi2PerClusterITS(reco.fCutMaxChi2PerClusterITS),
135 fCutRequireTPCRefit(reco.fCutRequireTPCRefit), fCutRequireITSRefit(reco.fCutRequireITSRefit),
136 fCutAcceptKinkDaughters(reco.fCutAcceptKinkDaughters), fCutMaxDCAToVertexXY(reco.fCutMaxDCAToVertexXY),
137 fCutMaxDCAToVertexZ(reco.fCutMaxDCAToVertexZ), fCutDCAToVertex2D(reco.fCutDCAToVertex2D)
141 for(Int_t i = 0; i < 15 ; i++) { fMisalRotShift[i] = reco.fMisalRotShift[i] ;
142 fMisalTransShift[i] = reco.fMisalTransShift[i] ; }
143 for(Int_t i = 0; i < 7 ; i++) { fNonLinearityParams[i] = reco.fNonLinearityParams[i] ; }
144 for(Int_t i = 0; i < 3 ; i++) { fSmearClusterParam[i] = reco.fSmearClusterParam[i] ; }
149 //______________________________________________________________________
150 AliEMCALRecoUtils & AliEMCALRecoUtils::operator = (const AliEMCALRecoUtils & reco)
152 //Assignment operator
154 if(this == &reco)return *this;
155 ((TNamed *)this)->operator=(reco);
157 for(Int_t i = 0; i < 15 ; i++) { fMisalTransShift[i] = reco.fMisalTransShift[i] ;
158 fMisalRotShift[i] = reco.fMisalRotShift[i] ; }
159 for(Int_t i = 0; i < 7 ; i++) { fNonLinearityParams[i] = reco.fNonLinearityParams[i] ; }
160 for(Int_t i = 0; i < 3 ; i++) { fSmearClusterParam[i] = reco.fSmearClusterParam[i] ; }
162 fParticleType = reco.fParticleType;
163 fPosAlgo = reco.fPosAlgo;
166 fNonLinearityFunction = reco.fNonLinearityFunction;
167 fNonLinearThreshold = reco.fNonLinearThreshold;
168 fSmearClusterEnergy = reco.fSmearClusterEnergy;
170 fCellsRecalibrated = reco.fCellsRecalibrated;
171 fRecalibration = reco.fRecalibration;
172 fEMCALRecalibrationFactors = reco.fEMCALRecalibrationFactors;
174 fTimeRecalibration = reco.fTimeRecalibration;
175 fEMCALTimeRecalibrationFactors = reco.fEMCALTimeRecalibrationFactors;
177 fUseRunCorrectionFactors = reco.fUseRunCorrectionFactors;
178 fRunCorrectionFactorsSet = reco.fRunCorrectionFactorsSet;
180 fRemoveBadChannels = reco.fRemoveBadChannels;
181 fRecalDistToBadChannels = reco.fRecalDistToBadChannels;
182 fEMCALBadChannelMap = reco.fEMCALBadChannelMap;
184 fNCellsFromEMCALBorder = reco.fNCellsFromEMCALBorder;
185 fNoEMCALBorderAtEta0 = reco.fNoEMCALBorderAtEta0;
187 fRejectExoticCluster = reco.fRejectExoticCluster;
188 fRejectExoticCells = reco.fRejectExoticCells;
189 fExoticCellFraction = reco.fExoticCellFraction;
190 fExoticCellDiffTime = reco.fExoticCellDiffTime;
191 fExoticCellMinAmplitude = reco.fExoticCellMinAmplitude;
193 fPIDUtils = reco.fPIDUtils;
195 fAODFilterMask = reco.fAODFilterMask;
197 fCutEtaPhiSum = reco.fCutEtaPhiSum;
198 fCutEtaPhiSeparate = reco.fCutEtaPhiSeparate;
200 fCutEta = reco.fCutEta;
201 fCutPhi = reco.fCutPhi;
202 fClusterWindow = reco.fClusterWindow;
204 fStepSurface = reco.fStepSurface;
205 fStepCluster = reco.fStepCluster;
207 fTrackCutsType = reco.fTrackCutsType;
208 fCutMinTrackPt = reco.fCutMinTrackPt;
209 fCutMinNClusterTPC = reco.fCutMinNClusterTPC;
210 fCutMinNClusterITS = reco.fCutMinNClusterITS;
211 fCutMaxChi2PerClusterTPC = reco.fCutMaxChi2PerClusterTPC;
212 fCutMaxChi2PerClusterITS = reco.fCutMaxChi2PerClusterITS;
213 fCutRequireTPCRefit = reco.fCutRequireTPCRefit;
214 fCutRequireITSRefit = reco.fCutRequireITSRefit;
215 fCutAcceptKinkDaughters = reco.fCutAcceptKinkDaughters;
216 fCutMaxDCAToVertexXY = reco.fCutMaxDCAToVertexXY;
217 fCutMaxDCAToVertexZ = reco.fCutMaxDCAToVertexZ;
218 fCutDCAToVertex2D = reco.fCutDCAToVertex2D;
220 if(reco.fResidualEta){
221 // assign or copy construct
223 *fResidualEta = *reco.fResidualEta;
225 else fResidualEta = new TArrayF(*reco.fResidualEta);
228 if(fResidualEta)delete fResidualEta;
232 if(reco.fResidualPhi){
233 // assign or copy construct
235 *fResidualPhi = *reco.fResidualPhi;
237 else fResidualPhi = new TArrayF(*reco.fResidualPhi);
240 if(fResidualPhi)delete fResidualPhi;
244 if(reco.fMatchedTrackIndex){
245 // assign or copy construct
246 if(fMatchedTrackIndex){
247 *fMatchedTrackIndex = *reco.fMatchedTrackIndex;
249 else fMatchedTrackIndex = new TArrayI(*reco.fMatchedTrackIndex);
252 if(fMatchedTrackIndex)delete fMatchedTrackIndex;
253 fMatchedTrackIndex = 0;
256 if(reco.fMatchedClusterIndex){
257 // assign or copy construct
258 if(fMatchedClusterIndex){
259 *fMatchedClusterIndex = *reco.fMatchedClusterIndex;
261 else fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex);
264 if(fMatchedClusterIndex)delete fMatchedClusterIndex;
265 fMatchedClusterIndex = 0;
272 //_____________________________________
273 AliEMCALRecoUtils::~AliEMCALRecoUtils()
277 if(fEMCALRecalibrationFactors) {
278 fEMCALRecalibrationFactors->Clear();
279 delete fEMCALRecalibrationFactors;
282 if(fEMCALTimeRecalibrationFactors) {
283 fEMCALTimeRecalibrationFactors->Clear();
284 delete fEMCALTimeRecalibrationFactors;
287 if(fEMCALBadChannelMap) {
288 fEMCALBadChannelMap->Clear();
289 delete fEMCALBadChannelMap;
292 delete fMatchedTrackIndex ;
293 delete fMatchedClusterIndex ;
294 delete fResidualEta ;
295 delete fResidualPhi ;
301 //_______________________________________________________________________________
302 Bool_t AliEMCALRecoUtils::AcceptCalibrateCell(const Int_t absID, const Int_t bc,
303 Float_t & amp, Double_t & time,
304 AliVCaloCells* cells)
306 // Reject cell if criteria not passed and calibrate it
308 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
310 if(absID < 0 || absID >= 24*48*geom->GetNumberOfSuperModules()) return kFALSE;
312 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
313 geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta);
314 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
316 // Do not include bad channels found in analysis,
317 if( IsBadChannelsRemovalSwitchedOn() && GetEMCALChannelStatus(imod, ieta, iphi)) {
322 amp = cells->GetCellAmplitude(absID);
323 if(!fCellsRecalibrated && IsRecalibrationOn())
324 amp *= GetEMCALChannelRecalibrationFactor(imod,ieta,iphi);
328 time = cells->GetCellTime(absID);
330 RecalibrateCellTime(absID,bc,time);
335 //_______________________________________________________________
336 Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(AliEMCALGeometry* geom, AliVCluster* cluster, AliVCaloCells* cells)
338 // Given the list of AbsId of the cluster, get the maximum cell and
339 // check if there are fNCellsFromBorder from the calorimeter border
342 AliInfo("Cluster pointer null!");
346 //If the distance to the border is 0 or negative just exit accept all clusters
347 if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE;
349 Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
350 Bool_t shared = kFALSE;
351 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared);
353 AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n",
354 absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0));
356 if(absIdMax==-1) return kFALSE;
358 //Check if the cell is close to the borders:
359 Bool_t okrow = kFALSE;
360 Bool_t okcol = kFALSE;
362 if(iSM < 0 || iphi < 0 || ieta < 0 ) {
363 AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n",
369 if(iphi >= fNCellsFromEMCALBorder && iphi < 24-fNCellsFromEMCALBorder) okrow =kTRUE;
372 if(iphi >= fNCellsFromEMCALBorder && iphi < 12-fNCellsFromEMCALBorder) okrow =kTRUE;
376 if(!fNoEMCALBorderAtEta0){
377 if(ieta > fNCellsFromEMCALBorder && ieta < 48-fNCellsFromEMCALBorder) okcol =kTRUE;
381 if(ieta >= fNCellsFromEMCALBorder) okcol = kTRUE;
384 if(ieta < 48-fNCellsFromEMCALBorder) okcol = kTRUE;
388 AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq",
389 fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow));
391 if (okcol && okrow) {
392 //printf("Accept\n");
396 //printf("Reject\n");
397 AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM));
404 //_________________________________________________________________________________________________________
405 Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(const AliEMCALGeometry* geom, const UShort_t* cellList, const Int_t nCells)
407 // Check that in the cluster cells, there is no bad channel of those stored
408 // in fEMCALBadChannelMap or fPHOSBadChannelMap
410 if(!fRemoveBadChannels) return kFALSE;
411 if(!fEMCALBadChannelMap) return kFALSE;
416 for(Int_t iCell = 0; iCell<nCells; iCell++){
418 //Get the column and row
419 Int_t iTower = -1, iIphi = -1, iIeta = -1;
420 geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta);
421 if(fEMCALBadChannelMap->GetEntries() <= imod) continue;
422 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
423 if(GetEMCALChannelStatus(imod, icol, irow)){
424 AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow));
428 }// cell cluster loop
433 //_______________________________________________________________________
434 Bool_t AliEMCALRecoUtils::IsExoticCell(const Int_t absID, AliVCaloCells* cells, const Int_t bc)
436 // Look to cell neighbourhood and reject if it seems exotic
437 // Do before recalibrating the cells
439 if(!fRejectExoticCells) return kFALSE;
441 AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
443 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
444 geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta);
445 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
447 //Get close cells index, energy and time, not in corners
448 Int_t absID1 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi+1, ieta);
449 Int_t absID2 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi-1, ieta);
450 Int_t absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
451 Int_t absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
453 Float_t ecell = 0, ecell1 = 0, ecell2 = 0, ecell3 = 0, ecell4 = 0;
454 Double_t tcell = 0, tcell1 = 0, tcell2 = 0, tcell3 = 0, tcell4 = 0;
455 Bool_t accept = 0, accept1 = 0, accept2 = 0, accept3 = 0, accept4 = 0;
457 accept = AcceptCalibrateCell(absID, bc, ecell ,tcell ,cells);
459 if(!accept) return kTRUE; // reject this cell
461 if(ecell < fExoticCellMinAmplitude) return kFALSE; // do not reject low energy cells
463 accept1 = AcceptCalibrateCell(absID1,bc, ecell1,tcell1,cells);
464 accept2 = AcceptCalibrateCell(absID2,bc, ecell2,tcell2,cells);
465 accept3 = AcceptCalibrateCell(absID3,bc, ecell3,tcell3,cells);
466 accept4 = AcceptCalibrateCell(absID4,bc, ecell4,tcell4,cells);
469 printf("Cell absID %d \n",absID);
470 printf("\t accept1 %d, accept2 %d, accept3 %d, accept4 %d\n",
471 accept1,accept2,accept3,accept4);
472 printf("\t id %d: id1 %d, id2 %d, id3 %d, id4 %d\n",
473 absID,absID1,absID2,absID3,absID4);
474 printf("\t e %f: e1 %f, e2 %f, e3 %f, e4 %f\n",
475 ecell,ecell1,ecell2,ecell3,ecell4);
476 printf("\t t %f: t1 %f, t2 %f, t3 %f, t4 %f;\n dt1 %f, dt2 %f, dt3 %f, dt4 %f\n",
477 tcell*1.e9,tcell1*1.e9,tcell2*1.e9,tcell3*1.e9,tcell4*1.e9,
478 TMath::Abs(tcell-tcell1)*1.e9, TMath::Abs(tcell-tcell2)*1.e9, TMath::Abs(tcell-tcell3)*1.e9, TMath::Abs(tcell-tcell4)*1.e9);
481 if(TMath::Abs(tcell-tcell1)*1.e9 > fExoticCellDiffTime) ecell1 = 0 ;
482 if(TMath::Abs(tcell-tcell2)*1.e9 > fExoticCellDiffTime) ecell2 = 0 ;
483 if(TMath::Abs(tcell-tcell3)*1.e9 > fExoticCellDiffTime) ecell3 = 0 ;
484 if(TMath::Abs(tcell-tcell4)*1.e9 > fExoticCellDiffTime) ecell4 = 0 ;
486 Float_t eCross = ecell1+ecell2+ecell3+ecell4;
488 //printf("\t eCell %f, eCross %f, 1-eCross/eCell %f\n",ecell,eCross,1-eCross/ecell);
490 if(1-eCross/ecell > fExoticCellFraction) {
491 AliDebug(2,Form("AliEMCALRecoUtils::IsExoticCell() - EXOTIC CELL id %d, eCell %f, eCross %f, 1-eCross/eCell %f\n",
492 absID,ecell,eCross,1-eCross/ecell));
499 //_________________________________________________
500 Bool_t AliEMCALRecoUtils::IsExoticCluster(AliVCluster *cluster, AliVCaloCells *cells, const Int_t bc)
502 // Check if the cluster highest energy tower is exotic
505 AliInfo("Cluster pointer null!");
509 if(!fRejectExoticCluster) return kFALSE;
511 // Get highest energy tower
512 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
513 Int_t iSupMod = -1, absId = -1, ieta = -1, iphi = -1;
514 Bool_t shared = kFALSE;
515 GetMaxEnergyCell(geom, cells, cluster, absId, iSupMod, ieta, iphi, shared);
517 return IsExoticCell(absId,cells,bc);
520 //__________________________________________________
521 Float_t AliEMCALRecoUtils::SmearClusterEnergy(const AliVCluster* cluster)
523 //In case of MC analysis, smear energy to match resolution/calibration in real data
526 AliInfo("Cluster pointer null!");
530 Float_t energy = cluster->E() ;
531 Float_t rdmEnergy = energy ;
532 if(fSmearClusterEnergy){
533 rdmEnergy = fRandom.Gaus(energy,fSmearClusterParam[0] * TMath::Sqrt(energy) +
534 fSmearClusterParam[1] * energy +
535 fSmearClusterParam[2] );
536 AliDebug(2, Form("Energy: original %f, smeared %f\n", energy, rdmEnergy));
542 //__________________________________________________
543 Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster)
545 // Correct cluster energy from non linearity functions
548 AliInfo("Cluster pointer null!");
552 Float_t energy = cluster->E();
554 switch (fNonLinearityFunction) {
558 //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2)))))
559 //Double_t fNonLinearityParams[0] = 1.014;
560 //Double_t fNonLinearityParams[1] = -0.03329;
561 //Double_t fNonLinearityParams[2] = -0.3853;
562 //Double_t fNonLinearityParams[3] = 0.5423;
563 //Double_t fNonLinearityParams[4] = -0.4335;
564 energy *= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+
565 ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())*
566 exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3]))));
572 //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E))
573 //Double_t fNonLinearityParams[0] = 1.04;
574 //Double_t fNonLinearityParams[1] = -0.1445;
575 //Double_t fNonLinearityParams[2] = 1.046;
576 energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function
580 case kPi0GammaConversion:
582 //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)])
583 //fNonLinearityParams[0] = 0.139393/0.1349766;
584 //fNonLinearityParams[1] = 0.0566186;
585 //fNonLinearityParams[2] = 0.982133;
586 energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy));
593 //From beam test, Alexei's results, for different ZS thresholds
594 // th=30 MeV; th = 45 MeV; th = 75 MeV
595 //fNonLinearityParams[0] = 1.007; 1.003; 1.002
596 //fNonLinearityParams[1] = 0.894; 0.719; 0.797
597 //fNonLinearityParams[2] = 0.246; 0.334; 0.358
598 //Rescale the param[0] with 1.03
599 energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]));
604 case kBeamTestCorrected:
606 //From beam test, corrected for material between beam and EMCAL
607 //fNonLinearityParams[0] = 0.99078
608 //fNonLinearityParams[1] = 0.161499;
609 //fNonLinearityParams[2] = 0.655166;
610 //fNonLinearityParams[3] = 0.134101;
611 //fNonLinearityParams[4] = 163.282;
612 //fNonLinearityParams[5] = 23.6904;
613 //fNonLinearityParams[6] = 0.978;
614 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
620 AliDebug(2,"No correction on the energy\n");
628 //__________________________________________________
629 void AliEMCALRecoUtils::InitNonLinearityParam()
631 //Initialising Non Linearity Parameters
633 if(fNonLinearityFunction == kPi0MC) {
634 fNonLinearityParams[0] = 1.014;
635 fNonLinearityParams[1] = -0.03329;
636 fNonLinearityParams[2] = -0.3853;
637 fNonLinearityParams[3] = 0.5423;
638 fNonLinearityParams[4] = -0.4335;
641 if(fNonLinearityFunction == kPi0GammaGamma) {
642 fNonLinearityParams[0] = 1.04;
643 fNonLinearityParams[1] = -0.1445;
644 fNonLinearityParams[2] = 1.046;
647 if(fNonLinearityFunction == kPi0GammaConversion) {
648 fNonLinearityParams[0] = 0.139393;
649 fNonLinearityParams[1] = 0.0566186;
650 fNonLinearityParams[2] = 0.982133;
653 if(fNonLinearityFunction == kBeamTest) {
654 if(fNonLinearThreshold == 30) {
655 fNonLinearityParams[0] = 1.007;
656 fNonLinearityParams[1] = 0.894;
657 fNonLinearityParams[2] = 0.246;
659 if(fNonLinearThreshold == 45) {
660 fNonLinearityParams[0] = 1.003;
661 fNonLinearityParams[1] = 0.719;
662 fNonLinearityParams[2] = 0.334;
664 if(fNonLinearThreshold == 75) {
665 fNonLinearityParams[0] = 1.002;
666 fNonLinearityParams[1] = 0.797;
667 fNonLinearityParams[2] = 0.358;
671 if(fNonLinearityFunction == kBeamTestCorrected) {
672 fNonLinearityParams[0] = 0.99078;
673 fNonLinearityParams[1] = 0.161499;
674 fNonLinearityParams[2] = 0.655166;
675 fNonLinearityParams[3] = 0.134101;
676 fNonLinearityParams[4] = 163.282;
677 fNonLinearityParams[5] = 23.6904;
678 fNonLinearityParams[6] = 0.978;
682 //__________________________________________________
683 Float_t AliEMCALRecoUtils::GetDepth(const Float_t energy, const Int_t iParticle, const Int_t iSM) const
685 //Calculate shower depth for a given cluster energy and particle type
695 depth = x0 * (TMath::Log(energy*1000/ ecr) + 0.5); //Multiply energy by 1000 to transform to MeV
699 depth = x0 * (TMath::Log(energy*1000/ ecr) - 0.5); //Multiply energy by 1000 to transform to MeV
706 gGeoManager->cd("ALIC_1/XEN1_1");
707 TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode();
708 TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM));
710 TGeoVolume *geoSMVol = geoSM->GetVolume();
711 TGeoShape *geoSMShape = geoSMVol->GetShape();
712 TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape);
713 if(geoBox) depth = 0.5 * geoBox->GetDX()*2 ;
714 else AliFatal("Null GEANT box");
715 }else AliFatal("NULL GEANT node matrix");
718 depth = x0 * (TMath::Log(energy*1000 / ecr) - 0.5); //Multiply energy by 1000 to transform to MeV
724 depth = x0 * (TMath::Log(energy*1000 / ecr) + 0.5); //Multiply energy by 1000 to transform to MeV
730 //____________________________________________________________________
731 void AliEMCALRecoUtils::GetMaxEnergyCell(const AliEMCALGeometry *geom,
732 AliVCaloCells* cells,
733 const AliVCluster* clu,
740 //For a given CaloCluster gets the absId of the cell
741 //with maximum energy deposit.
744 Double_t eCell = -1.;
745 Float_t fraction = 1.;
746 Float_t recalFactor = 1.;
747 Int_t cellAbsId = -1 ;
755 AliInfo("Cluster pointer null!");
756 absId=-1; iSupMod0=-1, ieta = -1; iphi = -1; shared = -1;
760 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
761 cellAbsId = clu->GetCellAbsId(iDig);
762 fraction = clu->GetCellAmplitudeFraction(iDig);
763 //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction);
764 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
765 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
766 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
767 if(iDig==0) iSupMod0=iSupMod;
768 else if(iSupMod0!=iSupMod) {
770 //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n");
772 if(!fCellsRecalibrated && IsRecalibrationOn()) {
773 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
775 eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor;
776 //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction);
780 //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell);
784 //Get from the absid the supermodule, tower and eta/phi numbers
785 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
786 //Gives SuperModule and Tower numbers
787 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
788 iIphi, iIeta,iphi,ieta);
789 //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi);
790 //printf("Max end---\n");
793 //______________________________________
794 void AliEMCALRecoUtils::InitParameters()
796 // Initialize data members with default values
798 fParticleType = kPhoton;
799 fPosAlgo = kUnchanged;
802 fNonLinearityFunction = kNoCorrection;
803 fNonLinearThreshold = 30;
805 fExoticCellFraction = 0.97;
806 fExoticCellDiffTime = 1e6;
807 fExoticCellMinAmplitude = 0.5;
811 fCutEtaPhiSum = kTRUE;
812 fCutEtaPhiSeparate = kFALSE;
818 fClusterWindow = 100;
823 fTrackCutsType = kLooseCut;
826 fCutMinNClusterTPC = -1;
827 fCutMinNClusterITS = -1;
829 fCutMaxChi2PerClusterTPC = 1e10;
830 fCutMaxChi2PerClusterITS = 1e10;
832 fCutRequireTPCRefit = kFALSE;
833 fCutRequireITSRefit = kFALSE;
834 fCutAcceptKinkDaughters = kFALSE;
836 fCutMaxDCAToVertexXY = 1e10;
837 fCutMaxDCAToVertexZ = 1e10;
838 fCutDCAToVertex2D = kFALSE;
841 //Misalignment matrices
842 for(Int_t i = 0; i < 15 ; i++) {
843 fMisalTransShift[i] = 0.;
844 fMisalRotShift[i] = 0.;
848 for(Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = 0.;
850 //For kBeamTestCorrected case, but default is no correction
851 fNonLinearityParams[0] = 0.99078;
852 fNonLinearityParams[1] = 0.161499;
853 fNonLinearityParams[2] = 0.655166;
854 fNonLinearityParams[3] = 0.134101;
855 fNonLinearityParams[4] = 163.282;
856 fNonLinearityParams[5] = 23.6904;
857 fNonLinearityParams[6] = 0.978;
859 //For kPi0GammaGamma case
860 //fNonLinearityParams[0] = 0.1457/0.1349766/1.038;
861 //fNonLinearityParams[1] = -0.02024/0.1349766/1.038;
862 //fNonLinearityParams[2] = 1.046;
864 //Cluster energy smearing
865 fSmearClusterEnergy = kFALSE;
866 fSmearClusterParam[0] = 0.07; // * sqrt E term
867 fSmearClusterParam[1] = 0.00; // * E term
868 fSmearClusterParam[2] = 0.00; // constant
871 //_____________________________________________________
872 void AliEMCALRecoUtils::InitEMCALRecalibrationFactors()
874 //Init EMCAL recalibration factors
875 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
876 //In order to avoid rewriting the same histograms
877 Bool_t oldStatus = TH1::AddDirectoryStatus();
878 TH1::AddDirectory(kFALSE);
880 fEMCALRecalibrationFactors = new TObjArray(10);
881 for (int i = 0; i < 10; i++)
882 fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),
883 Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24));
884 //Init the histograms with 1
885 for (Int_t sm = 0; sm < 10; sm++) {
886 for (Int_t i = 0; i < 48; i++) {
887 for (Int_t j = 0; j < 24; j++) {
888 SetEMCALChannelRecalibrationFactor(sm,i,j,1.);
892 fEMCALRecalibrationFactors->SetOwner(kTRUE);
893 fEMCALRecalibrationFactors->Compress();
895 //In order to avoid rewriting the same histograms
896 TH1::AddDirectory(oldStatus);
899 //________________________________________________________________
900 void AliEMCALRecoUtils::InitEMCALTimeRecalibrationFactors()
902 //Init EMCAL recalibration factors
903 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
904 //In order to avoid rewriting the same histograms
905 Bool_t oldStatus = TH1::AddDirectoryStatus();
906 TH1::AddDirectory(kFALSE);
908 fEMCALTimeRecalibrationFactors = new TObjArray(4);
909 for (int i = 0; i < 4; i++)
910 fEMCALTimeRecalibrationFactors->Add(new TH1F(Form("hAllTimeAvBC%d",i),
911 Form("hAllTimeAvBC%d",i),
912 48*24*10,0.,48*24*10) );
913 //Init the histograms with 1
914 for (Int_t bc = 0; bc < 4; bc++) {
915 for (Int_t i = 0; i < 48*24*10; i++)
916 SetEMCALChannelTimeRecalibrationFactor(bc,i,0.);
919 fEMCALTimeRecalibrationFactors->SetOwner(kTRUE);
920 fEMCALTimeRecalibrationFactors->Compress();
922 //In order to avoid rewriting the same histograms
923 TH1::AddDirectory(oldStatus);
926 //________________________________________________________________
927 void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()
929 //Init EMCAL bad channels map
930 AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()");
931 //In order to avoid rewriting the same histograms
932 Bool_t oldStatus = TH1::AddDirectoryStatus();
933 TH1::AddDirectory(kFALSE);
935 fEMCALBadChannelMap = new TObjArray(10);
936 //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24);
937 for (int i = 0; i < 10; i++) {
938 fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24));
941 fEMCALBadChannelMap->SetOwner(kTRUE);
942 fEMCALBadChannelMap->Compress();
944 //In order to avoid rewriting the same histograms
945 TH1::AddDirectory(oldStatus);
948 //____________________________________________________________________________
949 void AliEMCALRecoUtils::RecalibrateClusterEnergy(const AliEMCALGeometry* geom,
950 AliVCluster * cluster,
951 AliVCaloCells * cells,
954 // Recalibrate the cluster energy and Time, considering the recalibration map
955 // and the energy of the cells and time that compose the cluster.
956 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
959 AliInfo("Cluster pointer null!");
963 //Get the cluster number of cells and list of absId, check what kind of cluster do we have.
964 UShort_t * index = cluster->GetCellsAbsId() ;
965 Double_t * fraction = cluster->GetCellsAmplitudeFraction() ;
966 Int_t ncells = cluster->GetNCells();
968 //Initialize some used variables
971 Int_t icol =-1, irow =-1, imod=1;
972 Float_t factor = 1, frac = 0;
976 //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy
977 for(Int_t icell = 0; icell < ncells; icell++){
978 absId = index[icell];
979 frac = fraction[icell];
980 if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
982 if(!fCellsRecalibrated && IsRecalibrationOn()) {
984 Int_t iTower = -1, iIphi = -1, iIeta = -1;
985 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
986 if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue;
987 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
988 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
990 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
991 imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId)));
995 energy += cells->GetCellAmplitude(absId)*factor*frac;
997 if(emax < cells->GetCellAmplitude(absId)*factor*frac){
998 emax = cells->GetCellAmplitude(absId)*factor*frac;
1003 cluster->SetE(energy);
1005 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f\n",cluster->E(),energy));
1007 // Recalculate time of cluster only for ESDs
1008 if(!strcmp("AliESDCaloCluster",Form("%s",cluster->ClassName()))) {
1011 Double_t weightedTime = 0;
1012 Double_t weight = 0;
1013 Double_t weightTot = 0;
1014 Double_t maxcellTime = 0;
1015 for(Int_t icell = 0; icell < ncells; icell++){
1016 absId = index[icell];
1017 frac = fraction[icell];
1018 if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
1020 Double_t celltime = cells->GetCellTime(absId);
1021 RecalibrateCellTime(absId, bc, celltime);
1022 if(absId == absIdMax) maxcellTime = celltime;
1024 if(!fCellsRecalibrated){
1026 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1027 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
1028 if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue;
1029 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
1030 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
1032 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell:"
1033 " module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
1034 imod,icol,irow,frac,factor,cells->GetCellTime(absId)));
1038 weight = GetCellWeight(cells->GetCellAmplitude(absId)*factor*frac , energy );
1039 weightTot += weight;
1040 weightedTime += celltime * weight;
1044 cluster->SetTOF(weightedTime/weightTot);
1046 cluster->SetTOF(maxcellTime);
1050 //________________________________________________________________
1051 void AliEMCALRecoUtils::RecalibrateCells(AliVCaloCells * cells, Int_t bc)
1053 // Recalibrate the cells time and energy, considering the recalibration map and the energy
1054 // of the cells that compose the cluster.
1055 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1057 if(!IsRecalibrationOn() && !IsTimeRecalibrationOn()) return;
1060 AliInfo("Cells pointer null!");
1065 Bool_t accept = kFALSE;
1069 Int_t nEMcell = cells->GetNumberOfCells() ;
1070 for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
1072 absId = cells->GetCellNumber(iCell);
1074 accept = AcceptCalibrateCell(absId, bc, ecell ,tcell ,cells);
1081 cells->SetCell(iCell,absId,ecell, tcell);
1084 fCellsRecalibrated = kTRUE;
1087 //_______________________________________________________________________________________________________
1088 void AliEMCALRecoUtils::RecalibrateCellTime(const Int_t absId, const Int_t bc, Double_t & celltime) const
1090 // Recalibrate time of cell with absID considering the recalibration map
1091 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1093 if(!fCellsRecalibrated && IsTimeRecalibrationOn() && bc >= 0){
1094 celltime -= GetEMCALChannelTimeRecalibrationFactor(bc%4,absId)*1.e-9; ;
1098 //__________________________________________________
1099 void AliEMCALRecoUtils::RecalculateClusterPosition(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu)
1101 //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1104 AliInfo("Cluster pointer null!");
1108 if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu);
1109 else if(fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu);
1110 else AliDebug(2,"Algorithm to recalculate position not selected, do nothing.");
1113 //__________________________________________________
1114 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu)
1116 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1117 // The algorithm is a copy of what is done in AliEMCALRecPoint
1119 Double_t eCell = 0.;
1120 Float_t fraction = 1.;
1121 Float_t recalFactor = 1.;
1124 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1125 Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1;
1126 Float_t weight = 0., totalWeight=0.;
1127 Float_t newPos[3] = {0,0,0};
1128 Double_t pLocal[3], pGlobal[3];
1129 Bool_t shared = kFALSE;
1131 Float_t clEnergy = clu->E(); //Energy already recalibrated previously
1132 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1133 Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ;
1135 //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth);
1137 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
1139 absId = clu->GetCellAbsId(iDig);
1140 fraction = clu->GetCellAmplitudeFraction(iDig);
1141 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1143 if (!fCellsRecalibrated){
1144 geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta);
1145 geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta);
1147 if(IsRecalibrationOn()) {
1148 recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi);
1152 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1154 weight = GetCellWeight(eCell,clEnergy);
1155 totalWeight += weight;
1157 geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]);
1158 //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId);
1159 geom->GetGlobal(pLocal,pGlobal,iSupModMax);
1160 //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]);
1162 for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]);
1166 for(int i=0; i<3; i++ ) newPos[i] /= totalWeight;
1169 //Float_t pos[]={0,0,0};
1170 //clu->GetPosition(pos);
1171 //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]);
1172 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1174 if(iSupModMax > 1) {//sector 1
1175 newPos[0] +=fMisalTransShift[3];//-=3.093;
1176 newPos[1] +=fMisalTransShift[4];//+=6.82;
1177 newPos[2] +=fMisalTransShift[5];//+=1.635;
1178 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]);
1180 newPos[0] +=fMisalTransShift[0];//+=1.134;
1181 newPos[1] +=fMisalTransShift[1];//+=8.2;
1182 newPos[2] +=fMisalTransShift[2];//+=1.197;
1183 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]);
1185 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1187 clu->SetPosition(newPos);
1190 //__________________________________________________
1191 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu)
1193 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1194 // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position
1196 Double_t eCell = 1.;
1197 Float_t fraction = 1.;
1198 Float_t recalFactor = 1.;
1202 Int_t iIphi = -1, iIeta = -1;
1203 Int_t iSupMod = -1, iSupModMax = -1;
1204 Int_t iphi = -1, ieta =-1;
1205 Bool_t shared = kFALSE;
1207 Float_t clEnergy = clu->E(); //Energy already recalibrated previously.
1208 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1209 Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ;
1211 Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.;
1212 Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now
1213 Int_t startingSM = -1;
1215 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
1216 absId = clu->GetCellAbsId(iDig);
1217 fraction = clu->GetCellAmplitudeFraction(iDig);
1218 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1220 if (iDig==0) startingSM = iSupMod;
1221 else if(iSupMod != startingSM) areInSameSM = kFALSE;
1223 eCell = cells->GetCellAmplitude(absId);
1225 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
1226 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
1228 if (!fCellsRecalibrated){
1229 if(IsRecalibrationOn()) {
1230 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1234 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1236 weight = GetCellWeight(eCell,clEnergy);
1237 if(weight < 0) weight = 0;
1238 totalWeight += weight;
1239 weightedCol += ieta*weight;
1240 weightedRow += iphi*weight;
1242 //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ;
1245 Float_t xyzNew[]={0.,0.,0.};
1246 if(areInSameSM == kTRUE) {
1247 //printf("In Same SM\n");
1248 weightedCol = weightedCol/totalWeight;
1249 weightedRow = weightedRow/totalWeight;
1250 geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1252 //printf("In Different SM\n");
1253 geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1256 clu->SetPosition(xyzNew);
1259 //____________________________________________________________________________
1260 void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster)
1262 //re-evaluate distance to bad channel with updated bad map
1264 if(!fRecalDistToBadChannels) return;
1267 AliInfo("Cluster pointer null!");
1271 //Get channels map of the supermodule where the cluster is.
1272 Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1;
1273 Bool_t shared = kFALSE;
1274 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared);
1275 TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod);
1278 Float_t minDist = 10000.;
1281 //Loop on tower status map
1282 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
1283 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
1284 //Check if tower is bad.
1285 if(hMap->GetBinContent(icol,irow)==0) continue;
1286 //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n",
1287 // iSupMod,icol, irow, icolM,irowM);
1289 dRrow=TMath::Abs(irowM-irow);
1290 dRcol=TMath::Abs(icolM-icol);
1291 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1293 //printf("MIN DISTANCE TO BAD %2.2f\n",dist);
1299 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
1302 Int_t iSupMod2 = -1;
1304 //The only possible combinations are (0,1), (2,3) ... (8,9)
1305 if(iSupMod%2) iSupMod2 = iSupMod-1;
1306 else iSupMod2 = iSupMod+1;
1307 hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2);
1309 //Loop on tower status map of second super module
1310 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
1311 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
1312 //Check if tower is bad.
1313 if(hMap2->GetBinContent(icol,irow)==0) continue;
1314 //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",
1315 // iSupMod2,icol, irow,iSupMod,icolM,irowM);
1316 dRrow=TMath::Abs(irow-irowM);
1319 dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM));
1321 dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM);
1324 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1325 if(dist < minDist) minDist = dist;
1328 }// shared cluster in 2 SuperModules
1330 AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist));
1331 cluster->SetDistanceToBadChannel(minDist);
1334 //____________________________________________________________________________
1335 void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster)
1337 //re-evaluate identification parameters with bayesian
1340 AliInfo("Cluster pointer null!");
1344 if ( cluster->GetM02() != 0)
1345 fPIDUtils->ComputePID(cluster->E(),cluster->GetM02());
1347 Float_t pidlist[AliPID::kSPECIESN+1];
1348 for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i);
1350 cluster->SetPID(pidlist);
1353 //____________________________________________________________________________
1354 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster)
1356 // Calculates new center of gravity in the local EMCAL-module coordinates
1357 // and tranfers into global ALICE coordinates
1358 // Calculates Dispersion and main axis
1361 AliInfo("Cluster pointer null!");
1367 Double_t eCell = 0.;
1368 Float_t fraction = 1.;
1369 Float_t recalFactor = 1.;
1377 Double_t etai = -1.;
1378 Double_t phii = -1.;
1385 Double_t xmean = 0.;
1386 Double_t zmean = 0.;
1389 for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) {
1391 //Get from the absid the supermodule, tower and eta/phi numbers
1392 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1393 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1395 //Get the cell energy, if recalibration is on, apply factors
1396 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1397 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1399 if (!fCellsRecalibrated){
1400 if(IsRecalibrationOn()) {
1401 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1405 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1407 if(cluster->E() > 0 && eCell > 0){
1409 w = GetCellWeight(eCell,cluster->E());
1411 etai=(Double_t)ieta;
1412 phii=(Double_t)iphi;
1417 dxx += w * etai * etai ;
1419 dzz += w * phii * phii ;
1421 dxz += w * etai * phii ;
1424 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1427 //Normalize to the weight
1433 AliError(Form("Wrong weight %f\n", wtot));
1435 //Calculate dispersion
1436 for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) {
1438 //Get from the absid the supermodule, tower and eta/phi numbers
1439 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1440 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1442 //Get the cell energy, if recalibration is on, apply factors
1443 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1444 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1445 if (IsRecalibrationOn()) {
1446 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1448 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1450 if(cluster->E() > 0 && eCell > 0){
1452 w = GetCellWeight(eCell,cluster->E());
1454 etai=(Double_t)ieta;
1455 phii=(Double_t)iphi;
1456 if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean));
1459 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1462 //Normalize to the weigth and set shower shape parameters
1463 if (wtot > 0 && nstat > 1) {
1468 dxx -= xmean * xmean ;
1469 dzz -= zmean * zmean ;
1470 dxz -= xmean * zmean ;
1471 cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
1472 cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
1476 cluster->SetM20(0.) ;
1477 cluster->SetM02(0.) ;
1481 cluster->SetDispersion(TMath::Sqrt(d)) ;
1483 cluster->SetDispersion(0) ;
1486 //____________________________________________________________________________
1487 void AliEMCALRecoUtils::FindMatches(AliVEvent *event,TObjArray * clusterArr, AliEMCALGeometry *geom)
1489 //This function should be called before the cluster loop
1490 //Before call this function, please recalculate the cluster positions
1491 //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR
1492 //Store matched cluster indexes and residuals
1494 fMatchedTrackIndex ->Reset();
1495 fMatchedClusterIndex->Reset();
1496 fResidualPhi->Reset();
1497 fResidualEta->Reset();
1499 fMatchedTrackIndex ->Set(1000);
1500 fMatchedClusterIndex->Set(1000);
1501 fResidualPhi->Set(1000);
1502 fResidualEta->Set(1000);
1504 AliESDEvent* esdevent = dynamic_cast<AliESDEvent*> (event);
1505 AliAODEvent* aodevent = dynamic_cast<AliAODEvent*> (event);
1507 // init the magnetic field if not already on
1508 if(!TGeoGlobalMagField::Instance()->GetField()){
1509 AliInfo("Init the magnetic field\n");
1512 esdevent->InitMagneticField();
1516 Double_t curSol = 30000*aodevent->GetMagneticField()/5.00668;
1517 Double_t curDip = 6000 *aodevent->GetMuonMagFieldScale();
1518 AliMagF *field = AliMagF::CreateFieldMap(curSol,curDip);
1519 TGeoGlobalMagField::Instance()->SetField(field);
1523 AliInfo("Mag Field not initialized, null esd/aod evetn pointers");
1528 TObjArray *clusterArray = 0x0;
1531 clusterArray = new TObjArray(event->GetNumberOfCaloClusters());
1532 for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1534 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1535 if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1536 clusterArray->AddAt(cluster,icl);
1542 for (Int_t i=0; i<21;i++) cv[i]=0;
1543 for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++)
1545 AliExternalTrackParam *trackParam = 0;
1547 //If the input event is ESD, the starting point for extrapolation is TPCOut, if available, or TPCInner
1548 AliESDtrack *esdTrack = 0;
1549 AliAODTrack *aodTrack = 0;
1552 esdTrack = esdevent->GetTrack(itr);
1553 if(!esdTrack) continue;
1554 if(!IsAccepted(esdTrack)) continue;
1555 if(esdTrack->Pt()<fCutMinTrackPt) continue;
1556 Double_t phi = esdTrack->Phi()*TMath::RadToDeg();
1557 if(TMath::Abs(esdTrack->Eta())>0.8 || phi <= 20 || phi >= 240 ) continue;
1558 trackParam = const_cast<AliExternalTrackParam*>(esdTrack->GetInnerParam());
1561 //If the input event is AOD, the starting point for extrapolation is at vertex
1562 //AOD tracks are selected according to its filterbit.
1565 aodTrack = aodevent->GetTrack(itr);
1566 if(!aodTrack) continue;
1567 if(!aodTrack->TestFilterMask(fAODFilterMask)) continue; //Select AOD tracks that fulfill GetStandardITSTPCTrackCuts2010()
1568 if(aodTrack->Pt()<fCutMinTrackPt) continue;
1569 Double_t phi = aodTrack->Phi()*TMath::RadToDeg();
1570 if(TMath::Abs(aodTrack->Eta())>0.8 || phi <= 20 || phi >= 240 ) continue;
1571 Double_t pos[3],mom[3];
1572 aodTrack->GetXYZ(pos);
1573 aodTrack->GetPxPyPz(mom);
1574 AliDebug(5,Form("aod track: i=%d | pos=(%5.4f,%5.4f,%5.4f) | mom=(%5.4f,%5.4f,%5.4f) | charge=%d\n",itr,pos[0],pos[1],pos[2],mom[0],mom[1],mom[2],aodTrack->Charge()));
1575 trackParam= new AliExternalTrackParam(pos,mom,cv,aodTrack->Charge());
1578 //Return if the input data is not "AOD" or "ESD"
1581 printf("Wrong input data type! Should be \"AOD\" or \"ESD\"\n");
1584 clusterArray->Clear();
1585 delete clusterArray;
1590 if(!trackParam) continue;
1592 //Extrapolate the track to EMCal surface
1593 AliExternalTrackParam emcalParam(*trackParam);
1595 if(!ExtrapolateTrackToEMCalSurface(&emcalParam, 430., fMass, fStepSurface, eta, phi))
1597 if(aodevent && trackParam) delete trackParam;
1603 esdTrack->SetOuterParam(&emcalParam,AliExternalTrackParam::kMultSec);
1606 if(TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad())
1608 if(aodevent && trackParam) delete trackParam;
1613 //Find matched clusters
1615 Float_t dEta = -999, dPhi = -999;
1618 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArray, dEta, dPhi);
1622 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1627 fMatchedTrackIndex ->AddAt(itr,matched);
1628 fMatchedClusterIndex ->AddAt(index,matched);
1629 fResidualEta ->AddAt(dEta,matched);
1630 fResidualPhi ->AddAt(dPhi,matched);
1633 if(aodevent && trackParam) delete trackParam;
1638 clusterArray->Clear();
1639 delete clusterArray;
1642 AliDebug(2,Form("Number of matched pairs = %d !\n",matched));
1644 fMatchedTrackIndex ->Set(matched);
1645 fMatchedClusterIndex ->Set(matched);
1646 fResidualPhi ->Set(matched);
1647 fResidualEta ->Set(matched);
1650 //________________________________________________________________________________
1651 Int_t AliEMCALRecoUtils::FindMatchedClusterInEvent(AliESDtrack *track, AliVEvent *event, AliEMCALGeometry *geom, Float_t &dEta, Float_t &dPhi)
1654 // This function returns the index of matched cluster to input track
1655 // Returns -1 if no match is found
1657 Double_t phiV = track->Phi()*TMath::RadToDeg();
1658 if(TMath::Abs(track->Eta())>0.8 || phiV <= 20 || phiV >= 240 ) return index;
1659 AliExternalTrackParam *trackParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam());
1660 if(!trackParam) return index;
1661 AliExternalTrackParam emcalParam(*trackParam);
1663 if(!ExtrapolateTrackToEMCalSurface(&emcalParam, 430., fMass, fStepSurface, eta, phi)) return index;
1664 if(TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) return index;
1666 TObjArray *clusterArr = new TObjArray(event->GetNumberOfCaloClusters());
1668 for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1670 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1671 if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1672 clusterArr->AddAt(cluster,icl);
1675 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1676 clusterArr->Clear();
1682 //________________________________________________________________________________
1683 Int_t AliEMCALRecoUtils::FindMatchedClusterInClusterArr(AliExternalTrackParam *emcalParam, AliExternalTrackParam *trkParam, TObjArray * clusterArr, Float_t &dEta, Float_t &dPhi)
1685 dEta=-999, dPhi=-999;
1686 Float_t dRMax = fCutR, dEtaMax=fCutEta, dPhiMax=fCutPhi;
1688 Float_t tmpEta=-999, tmpPhi=-999;
1690 Double_t exPos[3] = {0.,0.,0.};
1691 if(!emcalParam->GetXYZ(exPos)) return index;
1693 Float_t clsPos[3] = {0.,0.,0.};
1694 for(Int_t icl=0; icl<clusterArr->GetEntriesFast(); icl++)
1696 AliVCluster *cluster = dynamic_cast<AliVCluster*> (clusterArr->At(icl)) ;
1697 if(!cluster || !cluster->IsEMCAL()) continue;
1698 cluster->GetPosition(clsPos);
1699 Double_t dR = TMath::Sqrt(TMath::Power(exPos[0]-clsPos[0],2)+TMath::Power(exPos[1]-clsPos[1],2)+TMath::Power(exPos[2]-clsPos[2],2));
1700 if(dR > fClusterWindow) continue;
1702 AliExternalTrackParam trkPamTmp (*trkParam);//Retrieve the starting point every time before the extrapolation
1703 if(!ExtrapolateTrackToCluster(&trkPamTmp, cluster, fMass, fStepCluster, tmpEta, tmpPhi)) continue;
1706 Float_t tmpR=TMath::Sqrt(tmpEta*tmpEta + tmpPhi*tmpPhi);
1715 else if(fCutEtaPhiSeparate)
1717 if(TMath::Abs(tmpEta)<TMath::Abs(dEtaMax) && TMath::Abs(tmpPhi)<TMath::Abs(dPhiMax))
1726 printf("Error: please specify your cut criteria\n");
1727 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
1728 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
1739 //------------------------------------------------------------------------------------
1740 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliExternalTrackParam *trkParam,
1747 //Extrapolate track to EMCAL surface
1749 eta = -999, phi = -999;
1750 if(!trkParam) return kFALSE;
1751 if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, emcalR, mass, step, kTRUE, 0.8, -1)) return kFALSE;
1752 Double_t trkPos[3] = {0.,0.,0.};
1753 if(!trkParam->GetXYZ(trkPos)) return kFALSE;
1754 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
1755 eta = trkPosVec.Eta();
1756 phi = trkPosVec.Phi();
1758 phi += 2*TMath::Pi();
1763 //-----------------------------------------------------------------------------------
1764 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToPosition(AliExternalTrackParam *trkParam,
1765 const Float_t *clsPos,
1772 //Return the residual by extrapolating a track param to a global position
1776 if(!trkParam) return kFALSE;
1777 Double_t trkPos[3] = {0.,0.,0.};
1778 TVector3 vec(clsPos[0],clsPos[1],clsPos[2]);
1779 Double_t alpha = ((int)(vec.Phi()*TMath::RadToDeg()/20)+0.5)*20*TMath::DegToRad();
1780 vec.RotateZ(-alpha); //Rotate the cluster to the local extrapolation coordinate system
1781 if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, vec.X(), mass, step,kTRUE, 0.8, -1)) return kFALSE;
1782 if(!trkParam->GetXYZ(trkPos)) return kFALSE; //Get the extrapolated global position
1784 TVector3 clsPosVec(clsPos[0],clsPos[1],clsPos[2]);
1785 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
1787 // track cluster matching
1788 tmpPhi = clsPosVec.DeltaPhi(trkPosVec); // tmpPhi is between -pi and pi
1789 tmpEta = clsPosVec.Eta()-trkPosVec.Eta();
1794 //----------------------------------------------------------------------------------
1795 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
1796 AliVCluster *cluster,
1803 //Return the residual by extrapolating a track param to a cluster
1807 if(!cluster || !trkParam) return kFALSE;
1809 Float_t clsPos[3] = {0.,0.,0.};
1810 cluster->GetPosition(clsPos);
1812 return ExtrapolateTrackToPosition(trkParam, clsPos, mass, step, tmpEta, tmpPhi);
1815 //---------------------------------------------------------------------------------
1816 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
1817 AliVCluster *cluster,
1822 //Return the residual by extrapolating a track param to a clusterfStepCluster
1825 return ExtrapolateTrackToCluster(trkParam, cluster, fMass, fStepCluster, tmpEta, tmpPhi);
1828 //_______________________________________________________________________________________
1829 void AliEMCALRecoUtils::GetMatchedResiduals(Int_t clsIndex, Float_t &dEta, Float_t &dPhi)
1831 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1832 //Get the residuals dEta and dPhi for this cluster to the closest track
1833 //Works with ESDs and AODs
1835 if( FindMatchedPosForCluster(clsIndex) >= 999 )
1837 AliDebug(2,"No matched tracks found!\n");
1842 dEta = fResidualEta->At(FindMatchedPosForCluster(clsIndex));
1843 dPhi = fResidualPhi->At(FindMatchedPosForCluster(clsIndex));
1846 //______________________________________________________________________________________________
1847 void AliEMCALRecoUtils::GetMatchedClusterResiduals(Int_t trkIndex, Float_t &dEta, Float_t &dPhi)
1849 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1850 //Get the residuals dEta and dPhi for this track to the closest cluster
1851 //Works with ESDs and AODs
1853 if( FindMatchedPosForTrack(trkIndex) >= 999 )
1855 AliDebug(2,"No matched cluster found!\n");
1860 dEta = fResidualEta->At(FindMatchedPosForTrack(trkIndex));
1861 dPhi = fResidualPhi->At(FindMatchedPosForTrack(trkIndex));
1864 //__________________________________________________________
1865 Int_t AliEMCALRecoUtils::GetMatchedTrackIndex(Int_t clsIndex)
1867 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1868 //Get the index of matched track to this cluster
1869 //Works with ESDs and AODs
1871 if(IsClusterMatched(clsIndex))
1872 return fMatchedTrackIndex->At(FindMatchedPosForCluster(clsIndex));
1877 //__________________________________________________________
1878 Int_t AliEMCALRecoUtils::GetMatchedClusterIndex(Int_t trkIndex)
1880 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1881 //Get the index of matched cluster to this track
1882 //Works with ESDs and AODs
1884 if(IsTrackMatched(trkIndex))
1885 return fMatchedClusterIndex->At(FindMatchedPosForTrack(trkIndex));
1890 //__________________________________________________
1891 Bool_t AliEMCALRecoUtils::IsClusterMatched(Int_t clsIndex) const
1893 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1894 //Returns if the cluster has a match
1895 if(FindMatchedPosForCluster(clsIndex) < 999)
1901 //__________________________________________________
1902 Bool_t AliEMCALRecoUtils::IsTrackMatched(Int_t trkIndex) const
1904 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1905 //Returns if the track has a match
1906 if(FindMatchedPosForTrack(trkIndex) < 999)
1912 //__________________________________________________________
1913 UInt_t AliEMCALRecoUtils::FindMatchedPosForCluster(Int_t clsIndex) const
1915 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1916 //Returns the position of the match in the fMatchedClusterIndex array
1917 Float_t tmpR = fCutR;
1920 for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++) {
1921 if(fMatchedClusterIndex->At(i)==clsIndex) {
1922 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
1926 AliDebug(3,Form("Matched cluster index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",fMatchedClusterIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
1933 //__________________________________________________________
1934 UInt_t AliEMCALRecoUtils::FindMatchedPosForTrack(Int_t trkIndex) const
1936 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1937 //Returns the position of the match in the fMatchedTrackIndex array
1938 Float_t tmpR = fCutR;
1941 for(Int_t i=0; i<fMatchedTrackIndex->GetSize(); i++) {
1942 if(fMatchedTrackIndex->At(i)==trkIndex) {
1943 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
1947 AliDebug(3,Form("Matched track index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",fMatchedTrackIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
1954 //___________________________________________________________________________________
1955 Bool_t AliEMCALRecoUtils::IsGoodCluster(AliVCluster *cluster, AliEMCALGeometry *geom,
1956 AliVCaloCells* cells,const Int_t bc)
1958 // check if the cluster survives some quality cut
1961 Bool_t isGood=kTRUE;
1963 if(!cluster || !cluster->IsEMCAL()) return kFALSE;
1965 if(ClusterContainsBadChannel(geom,cluster->GetCellsAbsId(),cluster->GetNCells())) return kFALSE;
1967 if(!CheckCellFiducialRegion(geom,cluster,cells)) return kFALSE;
1969 if(IsExoticCluster(cluster, cells,bc)) return kFALSE;
1974 //__________________________________________________________
1975 Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack)
1977 // Given a esd track, return whether the track survive all the cuts
1979 // The different quality parameter are first
1980 // retrieved from the track. then it is found out what cuts the
1981 // track did not survive and finally the cuts are imposed.
1983 UInt_t status = esdTrack->GetStatus();
1985 Int_t nClustersITS = esdTrack->GetITSclusters(0);
1986 Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
1988 Float_t chi2PerClusterITS = -1;
1989 Float_t chi2PerClusterTPC = -1;
1990 if (nClustersITS!=0)
1991 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
1992 if (nClustersTPC!=0)
1993 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
1997 if(fTrackCutsType==kGlobalCut)
1999 Float_t maxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
2000 //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep));
2001 SetMaxDCAToVertexXY(maxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane
2007 esdTrack->GetImpactParameters(b,bCov);
2008 if (bCov[0]<=0 || bCov[2]<=0) {
2009 AliDebug(1, "Estimated b resolution lower or equal zero!");
2010 bCov[0]=0; bCov[2]=0;
2013 Float_t dcaToVertexXY = b[0];
2014 Float_t dcaToVertexZ = b[1];
2015 Float_t dcaToVertex = -1;
2017 if (fCutDCAToVertex2D)
2018 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
2020 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
2024 Bool_t cuts[kNCuts];
2025 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
2027 // track quality cuts
2028 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
2030 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
2032 if (nClustersTPC<fCutMinNClusterTPC)
2034 if (nClustersITS<fCutMinNClusterITS)
2036 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
2038 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
2040 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
2042 if (fCutDCAToVertex2D && dcaToVertex > 1)
2044 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
2046 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
2049 if(fTrackCutsType==kGlobalCut)
2051 //Require at least one SPD point + anything else in ITS
2052 if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE)
2057 for (Int_t i=0; i<kNCuts; i++)
2058 if (cuts[i]) {cut = kTRUE;}
2067 //_____________________________________
2068 void AliEMCALRecoUtils::InitTrackCuts()
2070 //Intilize the track cut criteria
2071 //By default these cuts are set according to AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
2072 //Also you can customize the cuts using the setters
2074 switch (fTrackCutsType)
2078 AliInfo(Form("Track cuts for matching: GetStandardTPCOnlyTrackCuts()"));
2080 SetMinNClustersTPC(70);
2081 SetMaxChi2PerClusterTPC(4);
2082 SetAcceptKinkDaughters(kFALSE);
2083 SetRequireTPCRefit(kFALSE);
2086 SetRequireITSRefit(kFALSE);
2087 SetMaxDCAToVertexZ(3.2);
2088 SetMaxDCAToVertexXY(2.4);
2089 SetDCAToVertex2D(kTRUE);
2096 AliInfo(Form("Track cuts for matching: GetStandardITSTPCTrackCuts2010(kTURE)"));
2098 SetMinNClustersTPC(70);
2099 SetMaxChi2PerClusterTPC(4);
2100 SetAcceptKinkDaughters(kFALSE);
2101 SetRequireTPCRefit(kTRUE);
2104 SetRequireITSRefit(kTRUE);
2105 SetMaxDCAToVertexZ(2);
2106 SetMaxDCAToVertexXY();
2107 SetDCAToVertex2D(kFALSE);
2114 AliInfo(Form("Track cuts for matching: Loose cut w/o DCA cut"));
2115 SetMinNClustersTPC(50);
2116 SetAcceptKinkDaughters(kTRUE);
2124 //________________________________________________________________________
2125 void AliEMCALRecoUtils::SetClusterMatchedToTrack(const AliESDEvent *event)
2127 // Checks if tracks are matched to EMC clusters and set the matched EMCAL cluster index to ESD track.
2129 Int_t nTracks = event->GetNumberOfTracks();
2130 for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack) {
2131 AliESDtrack* track = event->GetTrack(iTrack);
2133 AliWarning(Form("Could not receive track %d", iTrack));
2136 Int_t matchClusIndex = GetMatchedClusterIndex(iTrack);
2137 track->SetEMCALcluster(matchClusIndex); //sets -1 if track not matched within residual
2138 if(matchClusIndex != -1)
2139 track->SetStatus(AliESDtrack::kEMCALmatch);
2141 track->ResetStatus(AliESDtrack::kEMCALmatch);
2143 AliDebug(2,"Track matched to closest cluster");
2146 //_________________________________________________________________________
2147 void AliEMCALRecoUtils::SetTracksMatchedToCluster(const AliESDEvent *event)
2149 // Checks if EMC clusters are matched to ESD track.
2150 // Adds track indexes of all the tracks matched to a cluster withing residuals in ESDCalocluster.
2152 for (Int_t iClus=0; iClus < event->GetNumberOfCaloClusters(); ++iClus) {
2153 AliESDCaloCluster *cluster = event->GetCaloCluster(iClus);
2154 if (!cluster->IsEMCAL())
2157 Int_t nTracks = event->GetNumberOfTracks();
2158 TArrayI arrayTrackMatched(nTracks);
2160 // Get the closest track matched to the cluster
2162 Int_t matchTrackIndex = GetMatchedTrackIndex(iClus);
2163 if (matchTrackIndex != -1) {
2164 arrayTrackMatched[nMatched] = matchTrackIndex;
2168 // Get all other tracks matched to the cluster
2169 for(Int_t iTrk=0; iTrk<nTracks; ++iTrk) {
2170 AliESDtrack* track = event->GetTrack(iTrk);
2171 if(iTrk == matchTrackIndex) continue;
2172 if(track->GetEMCALcluster() == iClus){
2173 arrayTrackMatched[nMatched] = iTrk;
2178 //printf("Tender::SetTracksMatchedToCluster - cluster E %f, N matches %d, first match %d\n",cluster->E(),nMatched,arrayTrackMatched[0]);
2180 arrayTrackMatched.Set(nMatched);
2181 cluster->AddTracksMatched(arrayTrackMatched);
2183 Float_t eta= -999, phi = -999;
2184 if (matchTrackIndex != -1)
2185 GetMatchedResiduals(iClus, eta, phi);
2186 cluster->SetTrackDistance(phi, eta);
2189 AliDebug(2,"Cluster matched to tracks");
2193 //___________________________________________________
2194 void AliEMCALRecoUtils::Print(const Option_t *) const
2198 printf("AliEMCALRecoUtils Settings: \n");
2199 printf("Misalignment shifts\n");
2200 for(Int_t i=0; i<5; i++) printf("\t sector %d, traslation (x,y,z)=(%f,%f,%f), rotation (x,y,z)=(%f,%f,%f)\n",i,
2201 fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2],
2202 fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] );
2203 printf("Non linearity function %d, parameters:\n", fNonLinearityFunction);
2204 for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]);
2206 printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration);
2208 printf("Matching criteria: ");
2211 printf("sqrt(dEta^2+dPhi^2)<%4.3f\n",fCutR);
2213 else if(fCutEtaPhiSeparate)
2215 printf("dEta<%4.3f, dPhi<%4.3f\n",fCutEta,fCutPhi);
2220 printf("please specify your cut criteria\n");
2221 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
2222 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2225 printf("Mass hypothesis = %2.3f [GeV/c^2], extrapolation step to surface = %2.2f[cm], step to cluster = %2.2f[cm]\n",fMass,fStepSurface, fStepCluster);
2226 printf("Cluster selection window: dR < %2.0f\n",fClusterWindow);
2228 printf("Track cuts: \n");
2229 printf("Minimum track pT: %1.2f\n",fCutMinTrackPt);
2230 printf("AOD track selection mask: %d\n",fAODFilterMask);
2231 printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit);
2232 printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters);
2233 printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS);
2234 printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS);
2235 printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ);
2238 //_____________________________________________________________________
2239 void AliEMCALRecoUtils::SetRunDependentCorrections(Int_t runnumber)
2241 //Get EMCAL time dependent corrections from file and put them in the recalibration histograms
2242 //Do it only once and only if it is requested
2244 if(!fUseRunCorrectionFactors) return;
2245 if(fRunCorrectionFactorsSet) return;
2247 AliInfo(Form("AliEMCALRecoUtils::GetRunDependentCorrections() - Get Correction Factors for Run number %d\n",runnumber));
2249 AliEMCALCalibTimeDepCorrection *corr = new AliEMCALCalibTimeDepCorrection();
2250 corr->ReadRootInfo(Form("CorrectionFiles/Run%d_Correction.root",runnumber));
2252 SwitchOnRecalibration();
2253 for(Int_t ism = 0; ism < 4; ism++){
2254 for(Int_t icol = 0; icol < 48; icol++){
2255 for(Int_t irow = 0; irow < 24; irow++){
2256 Float_t orgRecalFactor = GetEMCALChannelRecalibrationFactors(ism)->GetBinContent(icol,irow);
2257 Float_t newRecalFactor = orgRecalFactor*corr->GetCorrection(ism, icol,irow,0);
2258 GetEMCALChannelRecalibrationFactors(ism)->SetBinContent(icol,irow,newRecalFactor);
2259 //printf("ism %d, icol %d, irow %d, corrections : org %f, time dep %f, final %f (org*time %f)\n",ism, icol, irow,
2260 // orgRecalFactor, corr->GetCorrection(ism, icol,irow,0),
2261 // (GetEMCALChannelRecalibrationFactors(ism))->GetBinContent(icol,irow),newRecalFactor);
2265 fRunCorrectionFactorsSet = kTRUE;