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;
314 if(!geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta))
316 // cell absID does not exist
321 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
323 // Do not include bad channels found in analysis,
324 if( IsBadChannelsRemovalSwitchedOn() && GetEMCALChannelStatus(imod, ieta, iphi))
330 amp = cells->GetCellAmplitude(absID);
331 if(!fCellsRecalibrated && IsRecalibrationOn())
332 amp *= GetEMCALChannelRecalibrationFactor(imod,ieta,iphi);
336 time = cells->GetCellTime(absID);
338 RecalibrateCellTime(absID,bc,time);
343 //_______________________________________________________________
344 Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(AliEMCALGeometry* geom, AliVCluster* cluster, AliVCaloCells* cells)
346 // Given the list of AbsId of the cluster, get the maximum cell and
347 // check if there are fNCellsFromBorder from the calorimeter border
350 AliInfo("Cluster pointer null!");
354 //If the distance to the border is 0 or negative just exit accept all clusters
355 if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE;
357 Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
358 Bool_t shared = kFALSE;
359 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared);
361 AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n",
362 absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0));
364 if(absIdMax==-1) return kFALSE;
366 //Check if the cell is close to the borders:
367 Bool_t okrow = kFALSE;
368 Bool_t okcol = kFALSE;
370 if(iSM < 0 || iphi < 0 || ieta < 0 ) {
371 AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n",
377 if(iphi >= fNCellsFromEMCALBorder && iphi < 24-fNCellsFromEMCALBorder) okrow =kTRUE;
380 if(iphi >= fNCellsFromEMCALBorder && iphi < 12-fNCellsFromEMCALBorder) okrow =kTRUE;
384 if(!fNoEMCALBorderAtEta0){
385 if(ieta > fNCellsFromEMCALBorder && ieta < 48-fNCellsFromEMCALBorder) okcol =kTRUE;
389 if(ieta >= fNCellsFromEMCALBorder) okcol = kTRUE;
392 if(ieta < 48-fNCellsFromEMCALBorder) okcol = kTRUE;
396 AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq",
397 fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow));
399 if (okcol && okrow) {
400 //printf("Accept\n");
404 //printf("Reject\n");
405 AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM));
412 //_________________________________________________________________________________________________________
413 Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(const AliEMCALGeometry* geom, const UShort_t* cellList, const Int_t nCells)
415 // Check that in the cluster cells, there is no bad channel of those stored
416 // in fEMCALBadChannelMap or fPHOSBadChannelMap
418 if(!fRemoveBadChannels) return kFALSE;
419 if(!fEMCALBadChannelMap) return kFALSE;
424 for(Int_t iCell = 0; iCell<nCells; iCell++){
426 //Get the column and row
427 Int_t iTower = -1, iIphi = -1, iIeta = -1;
428 geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta);
429 if(fEMCALBadChannelMap->GetEntries() <= imod) continue;
430 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
431 if(GetEMCALChannelStatus(imod, icol, irow)){
432 AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow));
436 }// cell cluster loop
441 //_______________________________________________________________________
442 Bool_t AliEMCALRecoUtils::IsExoticCell(const Int_t absID, AliVCaloCells* cells, const Int_t bc)
444 // Look to cell neighbourhood and reject if it seems exotic
445 // Do before recalibrating the cells
447 if(!fRejectExoticCells) return kFALSE;
449 AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
451 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
452 geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta);
453 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
455 //Get close cells index, energy and time, not in corners
456 Int_t absID1 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi+1, ieta);
457 Int_t absID2 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi-1, ieta);
458 Int_t absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
459 Int_t absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
461 Float_t ecell = 0, ecell1 = 0, ecell2 = 0, ecell3 = 0, ecell4 = 0;
462 Double_t tcell = 0, tcell1 = 0, tcell2 = 0, tcell3 = 0, tcell4 = 0;
463 Bool_t accept = 0, accept1 = 0, accept2 = 0, accept3 = 0, accept4 = 0;
465 accept = AcceptCalibrateCell(absID, bc, ecell ,tcell ,cells);
467 if(!accept) return kTRUE; // reject this cell
469 if(ecell < fExoticCellMinAmplitude) return kFALSE; // do not reject low energy cells
471 accept1 = AcceptCalibrateCell(absID1,bc, ecell1,tcell1,cells);
472 accept2 = AcceptCalibrateCell(absID2,bc, ecell2,tcell2,cells);
473 accept3 = AcceptCalibrateCell(absID3,bc, ecell3,tcell3,cells);
474 accept4 = AcceptCalibrateCell(absID4,bc, ecell4,tcell4,cells);
477 printf("Cell absID %d \n",absID);
478 printf("\t accept1 %d, accept2 %d, accept3 %d, accept4 %d\n",
479 accept1,accept2,accept3,accept4);
480 printf("\t id %d: id1 %d, id2 %d, id3 %d, id4 %d\n",
481 absID,absID1,absID2,absID3,absID4);
482 printf("\t e %f: e1 %f, e2 %f, e3 %f, e4 %f\n",
483 ecell,ecell1,ecell2,ecell3,ecell4);
484 printf("\t t %f: t1 %f, t2 %f, t3 %f, t4 %f;\n dt1 %f, dt2 %f, dt3 %f, dt4 %f\n",
485 tcell*1.e9,tcell1*1.e9,tcell2*1.e9,tcell3*1.e9,tcell4*1.e9,
486 TMath::Abs(tcell-tcell1)*1.e9, TMath::Abs(tcell-tcell2)*1.e9, TMath::Abs(tcell-tcell3)*1.e9, TMath::Abs(tcell-tcell4)*1.e9);
489 if(TMath::Abs(tcell-tcell1)*1.e9 > fExoticCellDiffTime) ecell1 = 0 ;
490 if(TMath::Abs(tcell-tcell2)*1.e9 > fExoticCellDiffTime) ecell2 = 0 ;
491 if(TMath::Abs(tcell-tcell3)*1.e9 > fExoticCellDiffTime) ecell3 = 0 ;
492 if(TMath::Abs(tcell-tcell4)*1.e9 > fExoticCellDiffTime) ecell4 = 0 ;
494 Float_t eCross = ecell1+ecell2+ecell3+ecell4;
496 //printf("\t eCell %f, eCross %f, 1-eCross/eCell %f\n",ecell,eCross,1-eCross/ecell);
498 if(1-eCross/ecell > fExoticCellFraction) {
499 AliDebug(2,Form("AliEMCALRecoUtils::IsExoticCell() - EXOTIC CELL id %d, eCell %f, eCross %f, 1-eCross/eCell %f\n",
500 absID,ecell,eCross,1-eCross/ecell));
507 //_________________________________________________
508 Bool_t AliEMCALRecoUtils::IsExoticCluster(AliVCluster *cluster, AliVCaloCells *cells, const Int_t bc)
510 // Check if the cluster highest energy tower is exotic
513 AliInfo("Cluster pointer null!");
517 if(!fRejectExoticCluster) return kFALSE;
519 // Get highest energy tower
520 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
521 Int_t iSupMod = -1, absId = -1, ieta = -1, iphi = -1;
522 Bool_t shared = kFALSE;
523 GetMaxEnergyCell(geom, cells, cluster, absId, iSupMod, ieta, iphi, shared);
525 return IsExoticCell(absId,cells,bc);
528 //__________________________________________________
529 Float_t AliEMCALRecoUtils::SmearClusterEnergy(const AliVCluster* cluster)
531 //In case of MC analysis, smear energy to match resolution/calibration in real data
534 AliInfo("Cluster pointer null!");
538 Float_t energy = cluster->E() ;
539 Float_t rdmEnergy = energy ;
540 if(fSmearClusterEnergy){
541 rdmEnergy = fRandom.Gaus(energy,fSmearClusterParam[0] * TMath::Sqrt(energy) +
542 fSmearClusterParam[1] * energy +
543 fSmearClusterParam[2] );
544 AliDebug(2, Form("Energy: original %f, smeared %f\n", energy, rdmEnergy));
550 //__________________________________________________
551 Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster)
553 // Correct cluster energy from non linearity functions
556 AliInfo("Cluster pointer null!");
560 Float_t energy = cluster->E();
562 switch (fNonLinearityFunction) {
566 //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2)))))
567 //Double_t fNonLinearityParams[0] = 1.014;
568 //Double_t fNonLinearityParams[1] = -0.03329;
569 //Double_t fNonLinearityParams[2] = -0.3853;
570 //Double_t fNonLinearityParams[3] = 0.5423;
571 //Double_t fNonLinearityParams[4] = -0.4335;
572 energy *= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+
573 ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())*
574 exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3]))));
580 //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E))
581 //Double_t fNonLinearityParams[0] = 1.04;
582 //Double_t fNonLinearityParams[1] = -0.1445;
583 //Double_t fNonLinearityParams[2] = 1.046;
584 energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function
588 case kPi0GammaConversion:
590 //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)])
591 //fNonLinearityParams[0] = 0.139393/0.1349766;
592 //fNonLinearityParams[1] = 0.0566186;
593 //fNonLinearityParams[2] = 0.982133;
594 energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy));
601 //From beam test, Alexei's results, for different ZS thresholds
602 // th=30 MeV; th = 45 MeV; th = 75 MeV
603 //fNonLinearityParams[0] = 1.007; 1.003; 1.002
604 //fNonLinearityParams[1] = 0.894; 0.719; 0.797
605 //fNonLinearityParams[2] = 0.246; 0.334; 0.358
606 //Rescale the param[0] with 1.03
607 energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]));
612 case kBeamTestCorrected:
614 //From beam test, corrected for material between beam and EMCAL
615 //fNonLinearityParams[0] = 0.99078
616 //fNonLinearityParams[1] = 0.161499;
617 //fNonLinearityParams[2] = 0.655166;
618 //fNonLinearityParams[3] = 0.134101;
619 //fNonLinearityParams[4] = 163.282;
620 //fNonLinearityParams[5] = 23.6904;
621 //fNonLinearityParams[6] = 0.978;
622 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
628 AliDebug(2,"No correction on the energy\n");
636 //__________________________________________________
637 void AliEMCALRecoUtils::InitNonLinearityParam()
639 //Initialising Non Linearity Parameters
641 if(fNonLinearityFunction == kPi0MC) {
642 fNonLinearityParams[0] = 1.014;
643 fNonLinearityParams[1] = -0.03329;
644 fNonLinearityParams[2] = -0.3853;
645 fNonLinearityParams[3] = 0.5423;
646 fNonLinearityParams[4] = -0.4335;
649 if(fNonLinearityFunction == kPi0GammaGamma) {
650 fNonLinearityParams[0] = 1.04;
651 fNonLinearityParams[1] = -0.1445;
652 fNonLinearityParams[2] = 1.046;
655 if(fNonLinearityFunction == kPi0GammaConversion) {
656 fNonLinearityParams[0] = 0.139393;
657 fNonLinearityParams[1] = 0.0566186;
658 fNonLinearityParams[2] = 0.982133;
661 if(fNonLinearityFunction == kBeamTest) {
662 if(fNonLinearThreshold == 30) {
663 fNonLinearityParams[0] = 1.007;
664 fNonLinearityParams[1] = 0.894;
665 fNonLinearityParams[2] = 0.246;
667 if(fNonLinearThreshold == 45) {
668 fNonLinearityParams[0] = 1.003;
669 fNonLinearityParams[1] = 0.719;
670 fNonLinearityParams[2] = 0.334;
672 if(fNonLinearThreshold == 75) {
673 fNonLinearityParams[0] = 1.002;
674 fNonLinearityParams[1] = 0.797;
675 fNonLinearityParams[2] = 0.358;
679 if(fNonLinearityFunction == kBeamTestCorrected) {
680 fNonLinearityParams[0] = 0.99078;
681 fNonLinearityParams[1] = 0.161499;
682 fNonLinearityParams[2] = 0.655166;
683 fNonLinearityParams[3] = 0.134101;
684 fNonLinearityParams[4] = 163.282;
685 fNonLinearityParams[5] = 23.6904;
686 fNonLinearityParams[6] = 0.978;
690 //__________________________________________________
691 Float_t AliEMCALRecoUtils::GetDepth(const Float_t energy, const Int_t iParticle, const Int_t iSM) const
693 //Calculate shower depth for a given cluster energy and particle type
703 depth = x0 * (TMath::Log(energy*1000/ ecr) + 0.5); //Multiply energy by 1000 to transform to MeV
707 depth = x0 * (TMath::Log(energy*1000/ ecr) - 0.5); //Multiply energy by 1000 to transform to MeV
714 gGeoManager->cd("ALIC_1/XEN1_1");
715 TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode();
716 TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM));
718 TGeoVolume *geoSMVol = geoSM->GetVolume();
719 TGeoShape *geoSMShape = geoSMVol->GetShape();
720 TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape);
721 if(geoBox) depth = 0.5 * geoBox->GetDX()*2 ;
722 else AliFatal("Null GEANT box");
723 }else AliFatal("NULL GEANT node matrix");
726 depth = x0 * (TMath::Log(energy*1000 / ecr) - 0.5); //Multiply energy by 1000 to transform to MeV
732 depth = x0 * (TMath::Log(energy*1000 / ecr) + 0.5); //Multiply energy by 1000 to transform to MeV
738 //____________________________________________________________________
739 void AliEMCALRecoUtils::GetMaxEnergyCell(const AliEMCALGeometry *geom,
740 AliVCaloCells* cells,
741 const AliVCluster* clu,
748 //For a given CaloCluster gets the absId of the cell
749 //with maximum energy deposit.
752 Double_t eCell = -1.;
753 Float_t fraction = 1.;
754 Float_t recalFactor = 1.;
755 Int_t cellAbsId = -1 ;
763 AliInfo("Cluster pointer null!");
764 absId=-1; iSupMod0=-1, ieta = -1; iphi = -1; shared = -1;
768 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
769 cellAbsId = clu->GetCellAbsId(iDig);
770 fraction = clu->GetCellAmplitudeFraction(iDig);
771 //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction);
772 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
773 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
774 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
775 if(iDig==0) iSupMod0=iSupMod;
776 else if(iSupMod0!=iSupMod) {
778 //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n");
780 if(!fCellsRecalibrated && IsRecalibrationOn()) {
781 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
783 eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor;
784 //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction);
788 //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell);
792 //Get from the absid the supermodule, tower and eta/phi numbers
793 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
794 //Gives SuperModule and Tower numbers
795 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
796 iIphi, iIeta,iphi,ieta);
797 //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi);
798 //printf("Max end---\n");
801 //______________________________________
802 void AliEMCALRecoUtils::InitParameters()
804 // Initialize data members with default values
806 fParticleType = kPhoton;
807 fPosAlgo = kUnchanged;
810 fNonLinearityFunction = kNoCorrection;
811 fNonLinearThreshold = 30;
813 fExoticCellFraction = 0.97;
814 fExoticCellDiffTime = 1e6;
815 fExoticCellMinAmplitude = 0.5;
819 fCutEtaPhiSum = kTRUE;
820 fCutEtaPhiSeparate = kFALSE;
826 fClusterWindow = 100;
831 fTrackCutsType = kLooseCut;
834 fCutMinNClusterTPC = -1;
835 fCutMinNClusterITS = -1;
837 fCutMaxChi2PerClusterTPC = 1e10;
838 fCutMaxChi2PerClusterITS = 1e10;
840 fCutRequireTPCRefit = kFALSE;
841 fCutRequireITSRefit = kFALSE;
842 fCutAcceptKinkDaughters = kFALSE;
844 fCutMaxDCAToVertexXY = 1e10;
845 fCutMaxDCAToVertexZ = 1e10;
846 fCutDCAToVertex2D = kFALSE;
849 //Misalignment matrices
850 for(Int_t i = 0; i < 15 ; i++) {
851 fMisalTransShift[i] = 0.;
852 fMisalRotShift[i] = 0.;
856 for(Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = 0.;
858 //For kBeamTestCorrected case, but default is no correction
859 fNonLinearityParams[0] = 0.99078;
860 fNonLinearityParams[1] = 0.161499;
861 fNonLinearityParams[2] = 0.655166;
862 fNonLinearityParams[3] = 0.134101;
863 fNonLinearityParams[4] = 163.282;
864 fNonLinearityParams[5] = 23.6904;
865 fNonLinearityParams[6] = 0.978;
867 //For kPi0GammaGamma case
868 //fNonLinearityParams[0] = 0.1457/0.1349766/1.038;
869 //fNonLinearityParams[1] = -0.02024/0.1349766/1.038;
870 //fNonLinearityParams[2] = 1.046;
872 //Cluster energy smearing
873 fSmearClusterEnergy = kFALSE;
874 fSmearClusterParam[0] = 0.07; // * sqrt E term
875 fSmearClusterParam[1] = 0.00; // * E term
876 fSmearClusterParam[2] = 0.00; // constant
879 //_____________________________________________________
880 void AliEMCALRecoUtils::InitEMCALRecalibrationFactors()
882 //Init EMCAL recalibration factors
883 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
884 //In order to avoid rewriting the same histograms
885 Bool_t oldStatus = TH1::AddDirectoryStatus();
886 TH1::AddDirectory(kFALSE);
888 fEMCALRecalibrationFactors = new TObjArray(12);
889 for (int i = 0; i < 12; i++)
890 fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),
891 Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24));
892 //Init the histograms with 1
893 for (Int_t sm = 0; sm < 12; sm++) {
894 for (Int_t i = 0; i < 48; i++) {
895 for (Int_t j = 0; j < 24; j++) {
896 SetEMCALChannelRecalibrationFactor(sm,i,j,1.);
900 fEMCALRecalibrationFactors->SetOwner(kTRUE);
901 fEMCALRecalibrationFactors->Compress();
903 //In order to avoid rewriting the same histograms
904 TH1::AddDirectory(oldStatus);
907 //________________________________________________________________
908 void AliEMCALRecoUtils::InitEMCALTimeRecalibrationFactors()
910 //Init EMCAL recalibration factors
911 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
912 //In order to avoid rewriting the same histograms
913 Bool_t oldStatus = TH1::AddDirectoryStatus();
914 TH1::AddDirectory(kFALSE);
916 fEMCALTimeRecalibrationFactors = new TObjArray(4);
917 for (int i = 0; i < 4; i++)
918 fEMCALTimeRecalibrationFactors->Add(new TH1F(Form("hAllTimeAvBC%d",i),
919 Form("hAllTimeAvBC%d",i),
920 48*24*12,0.,48*24*12) );
921 //Init the histograms with 1
922 for (Int_t bc = 0; bc < 4; bc++) {
923 for (Int_t i = 0; i < 48*24*12; i++)
924 SetEMCALChannelTimeRecalibrationFactor(bc,i,0.);
927 fEMCALTimeRecalibrationFactors->SetOwner(kTRUE);
928 fEMCALTimeRecalibrationFactors->Compress();
930 //In order to avoid rewriting the same histograms
931 TH1::AddDirectory(oldStatus);
934 //________________________________________________________________
935 void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()
937 //Init EMCAL bad channels map
938 AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()");
939 //In order to avoid rewriting the same histograms
940 Bool_t oldStatus = TH1::AddDirectoryStatus();
941 TH1::AddDirectory(kFALSE);
943 fEMCALBadChannelMap = new TObjArray(12);
944 //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24);
945 for (int i = 0; i < 12; i++) {
946 fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24));
949 fEMCALBadChannelMap->SetOwner(kTRUE);
950 fEMCALBadChannelMap->Compress();
952 //In order to avoid rewriting the same histograms
953 TH1::AddDirectory(oldStatus);
956 //____________________________________________________________________________
957 void AliEMCALRecoUtils::RecalibrateClusterEnergy(const AliEMCALGeometry* geom,
958 AliVCluster * cluster,
959 AliVCaloCells * cells,
962 // Recalibrate the cluster energy and Time, considering the recalibration map
963 // and the energy of the cells and time that compose the cluster.
964 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
967 AliInfo("Cluster pointer null!");
971 //Get the cluster number of cells and list of absId, check what kind of cluster do we have.
972 UShort_t * index = cluster->GetCellsAbsId() ;
973 Double_t * fraction = cluster->GetCellsAmplitudeFraction() ;
974 Int_t ncells = cluster->GetNCells();
976 //Initialize some used variables
979 Int_t icol =-1, irow =-1, imod=1;
980 Float_t factor = 1, frac = 0;
984 //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy
985 for(Int_t icell = 0; icell < ncells; icell++){
986 absId = index[icell];
987 frac = fraction[icell];
988 if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
990 if(!fCellsRecalibrated && IsRecalibrationOn()) {
992 Int_t iTower = -1, iIphi = -1, iIeta = -1;
993 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
994 if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue;
995 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
996 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
998 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
999 imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId)));
1003 energy += cells->GetCellAmplitude(absId)*factor*frac;
1005 if(emax < cells->GetCellAmplitude(absId)*factor*frac){
1006 emax = cells->GetCellAmplitude(absId)*factor*frac;
1011 cluster->SetE(energy);
1013 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f\n",cluster->E(),energy));
1015 // Recalculate time of cluster only for ESDs
1016 if(!strcmp("AliESDCaloCluster",Form("%s",cluster->ClassName()))) {
1019 Double_t weightedTime = 0;
1020 Double_t weight = 0;
1021 Double_t weightTot = 0;
1022 Double_t maxcellTime = 0;
1023 for(Int_t icell = 0; icell < ncells; icell++){
1024 absId = index[icell];
1025 frac = fraction[icell];
1026 if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
1028 Double_t celltime = cells->GetCellTime(absId);
1029 RecalibrateCellTime(absId, bc, celltime);
1030 if(absId == absIdMax) maxcellTime = celltime;
1032 if(!fCellsRecalibrated){
1034 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1035 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
1036 if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue;
1037 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
1038 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
1040 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell:"
1041 " module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
1042 imod,icol,irow,frac,factor,cells->GetCellTime(absId)));
1046 weight = GetCellWeight(cells->GetCellAmplitude(absId)*factor*frac , energy );
1047 weightTot += weight;
1048 weightedTime += celltime * weight;
1052 cluster->SetTOF(weightedTime/weightTot);
1054 cluster->SetTOF(maxcellTime);
1058 //________________________________________________________________
1059 void AliEMCALRecoUtils::RecalibrateCells(AliVCaloCells * cells, Int_t bc)
1061 // Recalibrate the cells time and energy, considering the recalibration map and the energy
1062 // of the cells that compose the cluster.
1063 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1065 if(!IsRecalibrationOn() && !IsTimeRecalibrationOn()) return;
1068 AliInfo("Cells pointer null!");
1073 Bool_t accept = kFALSE;
1077 Int_t nEMcell = cells->GetNumberOfCells() ;
1078 for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
1080 absId = cells->GetCellNumber(iCell);
1082 accept = AcceptCalibrateCell(absId, bc, ecell ,tcell ,cells);
1089 cells->SetCell(iCell,absId,ecell, tcell);
1092 fCellsRecalibrated = kTRUE;
1095 //_______________________________________________________________________________________________________
1096 void AliEMCALRecoUtils::RecalibrateCellTime(const Int_t absId, const Int_t bc, Double_t & celltime) const
1098 // Recalibrate time of cell with absID considering the recalibration map
1099 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1101 if(!fCellsRecalibrated && IsTimeRecalibrationOn() && bc >= 0){
1102 celltime -= GetEMCALChannelTimeRecalibrationFactor(bc%4,absId)*1.e-9; ;
1106 //__________________________________________________
1107 void AliEMCALRecoUtils::RecalculateClusterPosition(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu)
1109 //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1112 AliInfo("Cluster pointer null!");
1116 if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu);
1117 else if(fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu);
1118 else AliDebug(2,"Algorithm to recalculate position not selected, do nothing.");
1121 //__________________________________________________
1122 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu)
1124 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1125 // The algorithm is a copy of what is done in AliEMCALRecPoint
1127 Double_t eCell = 0.;
1128 Float_t fraction = 1.;
1129 Float_t recalFactor = 1.;
1132 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1133 Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1;
1134 Float_t weight = 0., totalWeight=0.;
1135 Float_t newPos[3] = {0,0,0};
1136 Double_t pLocal[3], pGlobal[3];
1137 Bool_t shared = kFALSE;
1139 Float_t clEnergy = clu->E(); //Energy already recalibrated previously
1140 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1141 Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ;
1143 //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth);
1145 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
1147 absId = clu->GetCellAbsId(iDig);
1148 fraction = clu->GetCellAmplitudeFraction(iDig);
1149 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1151 if (!fCellsRecalibrated){
1152 geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta);
1153 geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta);
1155 if(IsRecalibrationOn()) {
1156 recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi);
1160 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1162 weight = GetCellWeight(eCell,clEnergy);
1163 totalWeight += weight;
1165 geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]);
1166 //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId);
1167 geom->GetGlobal(pLocal,pGlobal,iSupModMax);
1168 //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]);
1170 for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]);
1174 for(int i=0; i<3; i++ ) newPos[i] /= totalWeight;
1177 //Float_t pos[]={0,0,0};
1178 //clu->GetPosition(pos);
1179 //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]);
1180 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1182 if(iSupModMax > 1) {//sector 1
1183 newPos[0] +=fMisalTransShift[3];//-=3.093;
1184 newPos[1] +=fMisalTransShift[4];//+=6.82;
1185 newPos[2] +=fMisalTransShift[5];//+=1.635;
1186 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]);
1188 newPos[0] +=fMisalTransShift[0];//+=1.134;
1189 newPos[1] +=fMisalTransShift[1];//+=8.2;
1190 newPos[2] +=fMisalTransShift[2];//+=1.197;
1191 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]);
1193 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1195 clu->SetPosition(newPos);
1198 //__________________________________________________
1199 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu)
1201 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1202 // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position
1204 Double_t eCell = 1.;
1205 Float_t fraction = 1.;
1206 Float_t recalFactor = 1.;
1210 Int_t iIphi = -1, iIeta = -1;
1211 Int_t iSupMod = -1, iSupModMax = -1;
1212 Int_t iphi = -1, ieta =-1;
1213 Bool_t shared = kFALSE;
1215 Float_t clEnergy = clu->E(); //Energy already recalibrated previously.
1216 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1217 Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ;
1219 Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.;
1220 Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now
1221 Int_t startingSM = -1;
1223 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
1224 absId = clu->GetCellAbsId(iDig);
1225 fraction = clu->GetCellAmplitudeFraction(iDig);
1226 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1228 if (iDig==0) startingSM = iSupMod;
1229 else if(iSupMod != startingSM) areInSameSM = kFALSE;
1231 eCell = cells->GetCellAmplitude(absId);
1233 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
1234 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
1236 if (!fCellsRecalibrated){
1237 if(IsRecalibrationOn()) {
1238 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1242 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1244 weight = GetCellWeight(eCell,clEnergy);
1245 if(weight < 0) weight = 0;
1246 totalWeight += weight;
1247 weightedCol += ieta*weight;
1248 weightedRow += iphi*weight;
1250 //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ;
1253 Float_t xyzNew[]={0.,0.,0.};
1254 if(areInSameSM == kTRUE) {
1255 //printf("In Same SM\n");
1256 weightedCol = weightedCol/totalWeight;
1257 weightedRow = weightedRow/totalWeight;
1258 geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1260 //printf("In Different SM\n");
1261 geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1264 clu->SetPosition(xyzNew);
1267 //____________________________________________________________________________
1268 void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster)
1270 //re-evaluate distance to bad channel with updated bad map
1272 if(!fRecalDistToBadChannels) return;
1275 AliInfo("Cluster pointer null!");
1279 //Get channels map of the supermodule where the cluster is.
1280 Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1;
1281 Bool_t shared = kFALSE;
1282 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared);
1283 TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod);
1286 Float_t minDist = 10000.;
1289 //Loop on tower status map
1290 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
1291 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
1292 //Check if tower is bad.
1293 if(hMap->GetBinContent(icol,irow)==0) continue;
1294 //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n",
1295 // iSupMod,icol, irow, icolM,irowM);
1297 dRrow=TMath::Abs(irowM-irow);
1298 dRcol=TMath::Abs(icolM-icol);
1299 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1301 //printf("MIN DISTANCE TO BAD %2.2f\n",dist);
1307 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
1310 Int_t iSupMod2 = -1;
1312 //The only possible combinations are (0,1), (2,3) ... (8,9)
1313 if(iSupMod%2) iSupMod2 = iSupMod-1;
1314 else iSupMod2 = iSupMod+1;
1315 hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2);
1317 //Loop on tower status map of second super module
1318 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){
1319 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){
1320 //Check if tower is bad.
1321 if(hMap2->GetBinContent(icol,irow)==0) continue;
1322 //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",
1323 // iSupMod2,icol, irow,iSupMod,icolM,irowM);
1324 dRrow=TMath::Abs(irow-irowM);
1327 dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM));
1329 dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM);
1332 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1333 if(dist < minDist) minDist = dist;
1336 }// shared cluster in 2 SuperModules
1338 AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist));
1339 cluster->SetDistanceToBadChannel(minDist);
1342 //____________________________________________________________________________
1343 void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster)
1345 //re-evaluate identification parameters with bayesian
1348 AliInfo("Cluster pointer null!");
1352 if ( cluster->GetM02() != 0)
1353 fPIDUtils->ComputePID(cluster->E(),cluster->GetM02());
1355 Float_t pidlist[AliPID::kSPECIESN+1];
1356 for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i);
1358 cluster->SetPID(pidlist);
1361 //____________________________________________________________________________
1362 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster)
1364 // Calculates new center of gravity in the local EMCAL-module coordinates
1365 // and tranfers into global ALICE coordinates
1366 // Calculates Dispersion and main axis
1369 AliInfo("Cluster pointer null!");
1375 Double_t eCell = 0.;
1376 Float_t fraction = 1.;
1377 Float_t recalFactor = 1.;
1385 Double_t etai = -1.;
1386 Double_t phii = -1.;
1393 Double_t xmean = 0.;
1394 Double_t zmean = 0.;
1397 for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) {
1399 //Get from the absid the supermodule, tower and eta/phi numbers
1400 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1401 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1403 //Get the cell energy, if recalibration is on, apply factors
1404 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1405 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1407 if (!fCellsRecalibrated){
1408 if(IsRecalibrationOn()) {
1409 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1413 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1415 if(cluster->E() > 0 && eCell > 0){
1417 w = GetCellWeight(eCell,cluster->E());
1419 etai=(Double_t)ieta;
1420 phii=(Double_t)iphi;
1425 dxx += w * etai * etai ;
1427 dzz += w * phii * phii ;
1429 dxz += w * etai * phii ;
1432 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1435 //Normalize to the weight
1441 AliError(Form("Wrong weight %f\n", wtot));
1443 //Calculate dispersion
1444 for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) {
1446 //Get from the absid the supermodule, tower and eta/phi numbers
1447 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1448 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1450 //Get the cell energy, if recalibration is on, apply factors
1451 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1452 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1453 if (IsRecalibrationOn()) {
1454 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1456 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1458 if(cluster->E() > 0 && eCell > 0){
1460 w = GetCellWeight(eCell,cluster->E());
1462 etai=(Double_t)ieta;
1463 phii=(Double_t)iphi;
1464 if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean));
1467 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1470 //Normalize to the weigth and set shower shape parameters
1471 if (wtot > 0 && nstat > 1) {
1476 dxx -= xmean * xmean ;
1477 dzz -= zmean * zmean ;
1478 dxz -= xmean * zmean ;
1479 cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
1480 cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
1484 cluster->SetM20(0.) ;
1485 cluster->SetM02(0.) ;
1489 cluster->SetDispersion(TMath::Sqrt(d)) ;
1491 cluster->SetDispersion(0) ;
1494 //____________________________________________________________________________
1495 void AliEMCALRecoUtils::FindMatches(AliVEvent *event,TObjArray * clusterArr, AliEMCALGeometry *geom)
1497 //This function should be called before the cluster loop
1498 //Before call this function, please recalculate the cluster positions
1499 //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR
1500 //Store matched cluster indexes and residuals
1502 fMatchedTrackIndex ->Reset();
1503 fMatchedClusterIndex->Reset();
1504 fResidualPhi->Reset();
1505 fResidualEta->Reset();
1507 fMatchedTrackIndex ->Set(1000);
1508 fMatchedClusterIndex->Set(1000);
1509 fResidualPhi->Set(1000);
1510 fResidualEta->Set(1000);
1512 AliESDEvent* esdevent = dynamic_cast<AliESDEvent*> (event);
1513 AliAODEvent* aodevent = dynamic_cast<AliAODEvent*> (event);
1515 // init the magnetic field if not already on
1516 if(!TGeoGlobalMagField::Instance()->GetField()){
1517 AliInfo("Init the magnetic field\n");
1520 esdevent->InitMagneticField();
1524 Double_t curSol = 30000*aodevent->GetMagneticField()/5.00668;
1525 Double_t curDip = 6000 *aodevent->GetMuonMagFieldScale();
1526 AliMagF *field = AliMagF::CreateFieldMap(curSol,curDip);
1527 TGeoGlobalMagField::Instance()->SetField(field);
1531 AliInfo("Mag Field not initialized, null esd/aod evetn pointers");
1536 TObjArray *clusterArray = 0x0;
1539 clusterArray = new TObjArray(event->GetNumberOfCaloClusters());
1540 for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1542 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1543 if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1544 clusterArray->AddAt(cluster,icl);
1550 for (Int_t i=0; i<21;i++) cv[i]=0;
1551 for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++)
1553 AliExternalTrackParam *trackParam = 0;
1555 //If the input event is ESD, the starting point for extrapolation is TPCOut, if available, or TPCInner
1556 AliESDtrack *esdTrack = 0;
1557 AliAODTrack *aodTrack = 0;
1560 esdTrack = esdevent->GetTrack(itr);
1561 if(!esdTrack) continue;
1562 if(!IsAccepted(esdTrack)) continue;
1563 if(esdTrack->Pt()<fCutMinTrackPt) continue;
1564 Double_t phi = esdTrack->Phi()*TMath::RadToDeg();
1565 if(TMath::Abs(esdTrack->Eta())>0.8 || phi <= 20 || phi >= 240 ) continue;
1566 trackParam = const_cast<AliExternalTrackParam*>(esdTrack->GetInnerParam());
1569 //If the input event is AOD, the starting point for extrapolation is at vertex
1570 //AOD tracks are selected according to its filterbit.
1573 aodTrack = aodevent->GetTrack(itr);
1574 if(!aodTrack) continue;
1575 if(!aodTrack->TestFilterMask(fAODFilterMask)) continue; //Select AOD tracks that fulfill GetStandardITSTPCTrackCuts2010()
1576 if(aodTrack->Pt()<fCutMinTrackPt) continue;
1577 Double_t phi = aodTrack->Phi()*TMath::RadToDeg();
1578 if(TMath::Abs(aodTrack->Eta())>0.8 || phi <= 20 || phi >= 240 ) continue;
1579 Double_t pos[3],mom[3];
1580 aodTrack->GetXYZ(pos);
1581 aodTrack->GetPxPyPz(mom);
1582 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()));
1583 trackParam= new AliExternalTrackParam(pos,mom,cv,aodTrack->Charge());
1586 //Return if the input data is not "AOD" or "ESD"
1589 printf("Wrong input data type! Should be \"AOD\" or \"ESD\"\n");
1592 clusterArray->Clear();
1593 delete clusterArray;
1598 if(!trackParam) continue;
1600 //Extrapolate the track to EMCal surface
1601 AliExternalTrackParam emcalParam(*trackParam);
1603 if(!ExtrapolateTrackToEMCalSurface(&emcalParam, 430., fMass, fStepSurface, eta, phi))
1605 if(aodevent && trackParam) delete trackParam;
1611 // esdTrack->SetOuterParam(&emcalParam,AliExternalTrackParam::kMultSec);
1614 if(TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad())
1616 if(aodevent && trackParam) delete trackParam;
1621 //Find matched clusters
1623 Float_t dEta = -999, dPhi = -999;
1626 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArray, dEta, dPhi);
1630 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1635 fMatchedTrackIndex ->AddAt(itr,matched);
1636 fMatchedClusterIndex ->AddAt(index,matched);
1637 fResidualEta ->AddAt(dEta,matched);
1638 fResidualPhi ->AddAt(dPhi,matched);
1641 if(aodevent && trackParam) delete trackParam;
1646 clusterArray->Clear();
1647 delete clusterArray;
1650 AliDebug(2,Form("Number of matched pairs = %d !\n",matched));
1652 fMatchedTrackIndex ->Set(matched);
1653 fMatchedClusterIndex ->Set(matched);
1654 fResidualPhi ->Set(matched);
1655 fResidualEta ->Set(matched);
1658 //________________________________________________________________________________
1659 Int_t AliEMCALRecoUtils::FindMatchedClusterInEvent(AliESDtrack *track, AliVEvent *event, AliEMCALGeometry *geom, Float_t &dEta, Float_t &dPhi)
1662 // This function returns the index of matched cluster to input track
1663 // Returns -1 if no match is found
1665 Double_t phiV = track->Phi()*TMath::RadToDeg();
1666 if(TMath::Abs(track->Eta())>0.8 || phiV <= 20 || phiV >= 240 ) return index;
1667 AliExternalTrackParam *trackParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam());
1668 if(!trackParam) return index;
1669 AliExternalTrackParam emcalParam(*trackParam);
1671 if(!ExtrapolateTrackToEMCalSurface(&emcalParam, 430., fMass, fStepSurface, eta, phi)) return index;
1672 if(TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) return index;
1674 TObjArray *clusterArr = new TObjArray(event->GetNumberOfCaloClusters());
1676 for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1678 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1679 if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1680 clusterArr->AddAt(cluster,icl);
1683 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1684 clusterArr->Clear();
1690 //________________________________________________________________________________
1691 Int_t AliEMCALRecoUtils::FindMatchedClusterInClusterArr(AliExternalTrackParam *emcalParam, AliExternalTrackParam *trkParam, TObjArray * clusterArr, Float_t &dEta, Float_t &dPhi)
1693 dEta=-999, dPhi=-999;
1694 Float_t dRMax = fCutR, dEtaMax=fCutEta, dPhiMax=fCutPhi;
1696 Float_t tmpEta=-999, tmpPhi=-999;
1698 Double_t exPos[3] = {0.,0.,0.};
1699 if(!emcalParam->GetXYZ(exPos)) return index;
1701 Float_t clsPos[3] = {0.,0.,0.};
1702 for(Int_t icl=0; icl<clusterArr->GetEntriesFast(); icl++)
1704 AliVCluster *cluster = dynamic_cast<AliVCluster*> (clusterArr->At(icl)) ;
1705 if(!cluster || !cluster->IsEMCAL()) continue;
1706 cluster->GetPosition(clsPos);
1707 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));
1708 if(dR > fClusterWindow) continue;
1710 AliExternalTrackParam trkPamTmp (*trkParam);//Retrieve the starting point every time before the extrapolation
1711 if(!ExtrapolateTrackToCluster(&trkPamTmp, cluster, fMass, fStepCluster, tmpEta, tmpPhi)) continue;
1714 Float_t tmpR=TMath::Sqrt(tmpEta*tmpEta + tmpPhi*tmpPhi);
1723 else if(fCutEtaPhiSeparate)
1725 if(TMath::Abs(tmpEta)<TMath::Abs(dEtaMax) && TMath::Abs(tmpPhi)<TMath::Abs(dPhiMax))
1734 printf("Error: please specify your cut criteria\n");
1735 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
1736 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
1747 //------------------------------------------------------------------------------------
1748 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliExternalTrackParam *trkParam,
1755 //Extrapolate track to EMCAL surface
1757 eta = -999, phi = -999;
1758 if(!trkParam) return kFALSE;
1759 if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, emcalR, mass, step, kTRUE, 0.8, -1)) return kFALSE;
1760 Double_t trkPos[3] = {0.,0.,0.};
1761 if(!trkParam->GetXYZ(trkPos)) return kFALSE;
1762 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
1763 eta = trkPosVec.Eta();
1764 phi = trkPosVec.Phi();
1766 phi += 2*TMath::Pi();
1771 //-----------------------------------------------------------------------------------
1772 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToPosition(AliExternalTrackParam *trkParam,
1773 const Float_t *clsPos,
1780 //Return the residual by extrapolating a track param to a global position
1784 if(!trkParam) return kFALSE;
1785 Double_t trkPos[3] = {0.,0.,0.};
1786 TVector3 vec(clsPos[0],clsPos[1],clsPos[2]);
1787 Double_t alpha = ((int)(vec.Phi()*TMath::RadToDeg()/20)+0.5)*20*TMath::DegToRad();
1788 vec.RotateZ(-alpha); //Rotate the cluster to the local extrapolation coordinate system
1789 if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, vec.X(), mass, step,kTRUE, 0.8, -1)) return kFALSE;
1790 if(!trkParam->GetXYZ(trkPos)) return kFALSE; //Get the extrapolated global position
1792 TVector3 clsPosVec(clsPos[0],clsPos[1],clsPos[2]);
1793 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
1795 // track cluster matching
1796 tmpPhi = clsPosVec.DeltaPhi(trkPosVec); // tmpPhi is between -pi and pi
1797 tmpEta = clsPosVec.Eta()-trkPosVec.Eta();
1802 //----------------------------------------------------------------------------------
1803 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
1804 AliVCluster *cluster,
1811 //Return the residual by extrapolating a track param to a cluster
1815 if(!cluster || !trkParam) return kFALSE;
1817 Float_t clsPos[3] = {0.,0.,0.};
1818 cluster->GetPosition(clsPos);
1820 return ExtrapolateTrackToPosition(trkParam, clsPos, mass, step, tmpEta, tmpPhi);
1823 //---------------------------------------------------------------------------------
1824 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
1825 AliVCluster *cluster,
1830 //Return the residual by extrapolating a track param to a clusterfStepCluster
1833 return ExtrapolateTrackToCluster(trkParam, cluster, fMass, fStepCluster, tmpEta, tmpPhi);
1836 //_______________________________________________________________________________________
1837 void AliEMCALRecoUtils::GetMatchedResiduals(Int_t clsIndex, Float_t &dEta, Float_t &dPhi)
1839 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1840 //Get the residuals dEta and dPhi for this cluster to the closest track
1841 //Works with ESDs and AODs
1843 if( FindMatchedPosForCluster(clsIndex) >= 999 )
1845 AliDebug(2,"No matched tracks found!\n");
1850 dEta = fResidualEta->At(FindMatchedPosForCluster(clsIndex));
1851 dPhi = fResidualPhi->At(FindMatchedPosForCluster(clsIndex));
1854 //______________________________________________________________________________________________
1855 void AliEMCALRecoUtils::GetMatchedClusterResiduals(Int_t trkIndex, Float_t &dEta, Float_t &dPhi)
1857 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1858 //Get the residuals dEta and dPhi for this track to the closest cluster
1859 //Works with ESDs and AODs
1861 if( FindMatchedPosForTrack(trkIndex) >= 999 )
1863 AliDebug(2,"No matched cluster found!\n");
1868 dEta = fResidualEta->At(FindMatchedPosForTrack(trkIndex));
1869 dPhi = fResidualPhi->At(FindMatchedPosForTrack(trkIndex));
1872 //__________________________________________________________
1873 Int_t AliEMCALRecoUtils::GetMatchedTrackIndex(Int_t clsIndex)
1875 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1876 //Get the index of matched track to this cluster
1877 //Works with ESDs and AODs
1879 if(IsClusterMatched(clsIndex))
1880 return fMatchedTrackIndex->At(FindMatchedPosForCluster(clsIndex));
1885 //__________________________________________________________
1886 Int_t AliEMCALRecoUtils::GetMatchedClusterIndex(Int_t trkIndex)
1888 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1889 //Get the index of matched cluster to this track
1890 //Works with ESDs and AODs
1892 if(IsTrackMatched(trkIndex))
1893 return fMatchedClusterIndex->At(FindMatchedPosForTrack(trkIndex));
1898 //__________________________________________________
1899 Bool_t AliEMCALRecoUtils::IsClusterMatched(Int_t clsIndex) const
1901 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1902 //Returns if the cluster has a match
1903 if(FindMatchedPosForCluster(clsIndex) < 999)
1909 //__________________________________________________
1910 Bool_t AliEMCALRecoUtils::IsTrackMatched(Int_t trkIndex) const
1912 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1913 //Returns if the track has a match
1914 if(FindMatchedPosForTrack(trkIndex) < 999)
1920 //__________________________________________________________
1921 UInt_t AliEMCALRecoUtils::FindMatchedPosForCluster(Int_t clsIndex) const
1923 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1924 //Returns the position of the match in the fMatchedClusterIndex array
1925 Float_t tmpR = fCutR;
1928 for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++) {
1929 if(fMatchedClusterIndex->At(i)==clsIndex) {
1930 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
1934 AliDebug(3,Form("Matched cluster index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",fMatchedClusterIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
1941 //__________________________________________________________
1942 UInt_t AliEMCALRecoUtils::FindMatchedPosForTrack(Int_t trkIndex) const
1944 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1945 //Returns the position of the match in the fMatchedTrackIndex array
1946 Float_t tmpR = fCutR;
1949 for(Int_t i=0; i<fMatchedTrackIndex->GetSize(); i++) {
1950 if(fMatchedTrackIndex->At(i)==trkIndex) {
1951 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
1955 AliDebug(3,Form("Matched track index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",fMatchedTrackIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
1962 //___________________________________________________________________________________
1963 Bool_t AliEMCALRecoUtils::IsGoodCluster(AliVCluster *cluster, AliEMCALGeometry *geom,
1964 AliVCaloCells* cells,const Int_t bc)
1966 // check if the cluster survives some quality cut
1969 Bool_t isGood=kTRUE;
1971 if(!cluster || !cluster->IsEMCAL()) return kFALSE;
1973 if(ClusterContainsBadChannel(geom,cluster->GetCellsAbsId(),cluster->GetNCells())) return kFALSE;
1975 if(!CheckCellFiducialRegion(geom,cluster,cells)) return kFALSE;
1977 if(IsExoticCluster(cluster, cells,bc)) return kFALSE;
1982 //__________________________________________________________
1983 Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack)
1985 // Given a esd track, return whether the track survive all the cuts
1987 // The different quality parameter are first
1988 // retrieved from the track. then it is found out what cuts the
1989 // track did not survive and finally the cuts are imposed.
1991 UInt_t status = esdTrack->GetStatus();
1993 Int_t nClustersITS = esdTrack->GetITSclusters(0);
1994 Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
1996 Float_t chi2PerClusterITS = -1;
1997 Float_t chi2PerClusterTPC = -1;
1998 if (nClustersITS!=0)
1999 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
2000 if (nClustersTPC!=0)
2001 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
2005 if(fTrackCutsType==kGlobalCut)
2007 Float_t maxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
2008 //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep));
2009 SetMaxDCAToVertexXY(maxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane
2015 esdTrack->GetImpactParameters(b,bCov);
2016 if (bCov[0]<=0 || bCov[2]<=0) {
2017 AliDebug(1, "Estimated b resolution lower or equal zero!");
2018 bCov[0]=0; bCov[2]=0;
2021 Float_t dcaToVertexXY = b[0];
2022 Float_t dcaToVertexZ = b[1];
2023 Float_t dcaToVertex = -1;
2025 if (fCutDCAToVertex2D)
2026 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
2028 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
2032 Bool_t cuts[kNCuts];
2033 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
2035 // track quality cuts
2036 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
2038 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
2040 if (nClustersTPC<fCutMinNClusterTPC)
2042 if (nClustersITS<fCutMinNClusterITS)
2044 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
2046 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
2048 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
2050 if (fCutDCAToVertex2D && dcaToVertex > 1)
2052 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
2054 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
2057 if(fTrackCutsType==kGlobalCut)
2059 //Require at least one SPD point + anything else in ITS
2060 if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE)
2065 for (Int_t i=0; i<kNCuts; i++)
2066 if (cuts[i]) {cut = kTRUE;}
2075 //_____________________________________
2076 void AliEMCALRecoUtils::InitTrackCuts()
2078 //Intilize the track cut criteria
2079 //By default these cuts are set according to AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
2080 //Also you can customize the cuts using the setters
2082 switch (fTrackCutsType)
2086 AliInfo(Form("Track cuts for matching: GetStandardTPCOnlyTrackCuts()"));
2088 SetMinNClustersTPC(70);
2089 SetMaxChi2PerClusterTPC(4);
2090 SetAcceptKinkDaughters(kFALSE);
2091 SetRequireTPCRefit(kFALSE);
2094 SetRequireITSRefit(kFALSE);
2095 SetMaxDCAToVertexZ(3.2);
2096 SetMaxDCAToVertexXY(2.4);
2097 SetDCAToVertex2D(kTRUE);
2104 AliInfo(Form("Track cuts for matching: GetStandardITSTPCTrackCuts2010(kTURE)"));
2106 SetMinNClustersTPC(70);
2107 SetMaxChi2PerClusterTPC(4);
2108 SetAcceptKinkDaughters(kFALSE);
2109 SetRequireTPCRefit(kTRUE);
2112 SetRequireITSRefit(kTRUE);
2113 SetMaxDCAToVertexZ(2);
2114 SetMaxDCAToVertexXY();
2115 SetDCAToVertex2D(kFALSE);
2122 AliInfo(Form("Track cuts for matching: Loose cut w/o DCA cut"));
2123 SetMinNClustersTPC(50);
2124 SetAcceptKinkDaughters(kTRUE);
2132 //________________________________________________________________________
2133 void AliEMCALRecoUtils::SetClusterMatchedToTrack(const AliESDEvent *event)
2135 // Checks if tracks are matched to EMC clusters and set the matched EMCAL cluster index to ESD track.
2137 Int_t nTracks = event->GetNumberOfTracks();
2138 for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack) {
2139 AliESDtrack* track = event->GetTrack(iTrack);
2141 AliWarning(Form("Could not receive track %d", iTrack));
2144 Int_t matchClusIndex = GetMatchedClusterIndex(iTrack);
2145 track->SetEMCALcluster(matchClusIndex); //sets -1 if track not matched within residual
2146 if(matchClusIndex != -1)
2147 track->SetStatus(AliESDtrack::kEMCALmatch);
2149 track->ResetStatus(AliESDtrack::kEMCALmatch);
2151 AliDebug(2,"Track matched to closest cluster");
2154 //_________________________________________________________________________
2155 void AliEMCALRecoUtils::SetTracksMatchedToCluster(const AliESDEvent *event)
2157 // Checks if EMC clusters are matched to ESD track.
2158 // Adds track indexes of all the tracks matched to a cluster withing residuals in ESDCalocluster.
2160 for (Int_t iClus=0; iClus < event->GetNumberOfCaloClusters(); ++iClus) {
2161 AliESDCaloCluster *cluster = event->GetCaloCluster(iClus);
2162 if (!cluster->IsEMCAL())
2165 Int_t nTracks = event->GetNumberOfTracks();
2166 TArrayI arrayTrackMatched(nTracks);
2168 // Get the closest track matched to the cluster
2170 Int_t matchTrackIndex = GetMatchedTrackIndex(iClus);
2171 if (matchTrackIndex != -1) {
2172 arrayTrackMatched[nMatched] = matchTrackIndex;
2176 // Get all other tracks matched to the cluster
2177 for(Int_t iTrk=0; iTrk<nTracks; ++iTrk) {
2178 AliESDtrack* track = event->GetTrack(iTrk);
2179 if(iTrk == matchTrackIndex) continue;
2180 if(track->GetEMCALcluster() == iClus){
2181 arrayTrackMatched[nMatched] = iTrk;
2186 //printf("Tender::SetTracksMatchedToCluster - cluster E %f, N matches %d, first match %d\n",cluster->E(),nMatched,arrayTrackMatched[0]);
2188 arrayTrackMatched.Set(nMatched);
2189 cluster->AddTracksMatched(arrayTrackMatched);
2191 Float_t eta= -999, phi = -999;
2192 if (matchTrackIndex != -1)
2193 GetMatchedResiduals(iClus, eta, phi);
2194 cluster->SetTrackDistance(phi, eta);
2197 AliDebug(2,"Cluster matched to tracks");
2201 //___________________________________________________
2202 void AliEMCALRecoUtils::Print(const Option_t *) const
2206 printf("AliEMCALRecoUtils Settings: \n");
2207 printf("Misalignment shifts\n");
2208 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,
2209 fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2],
2210 fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] );
2211 printf("Non linearity function %d, parameters:\n", fNonLinearityFunction);
2212 for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]);
2214 printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration);
2216 printf("Matching criteria: ");
2219 printf("sqrt(dEta^2+dPhi^2)<%4.3f\n",fCutR);
2221 else if(fCutEtaPhiSeparate)
2223 printf("dEta<%4.3f, dPhi<%4.3f\n",fCutEta,fCutPhi);
2228 printf("please specify your cut criteria\n");
2229 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
2230 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2233 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);
2234 printf("Cluster selection window: dR < %2.0f\n",fClusterWindow);
2236 printf("Track cuts: \n");
2237 printf("Minimum track pT: %1.2f\n",fCutMinTrackPt);
2238 printf("AOD track selection mask: %d\n",fAODFilterMask);
2239 printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit);
2240 printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters);
2241 printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS);
2242 printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS);
2243 printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ);
2246 //_____________________________________________________________________
2247 void AliEMCALRecoUtils::SetRunDependentCorrections(Int_t runnumber)
2249 //Get EMCAL time dependent corrections from file and put them in the recalibration histograms
2250 //Do it only once and only if it is requested
2252 if(!fUseRunCorrectionFactors) return;
2253 if(fRunCorrectionFactorsSet) return;
2255 AliInfo(Form("AliEMCALRecoUtils::GetRunDependentCorrections() - Get Correction Factors for Run number %d\n",runnumber));
2257 AliEMCALCalibTimeDepCorrection *corr = new AliEMCALCalibTimeDepCorrection();
2258 corr->ReadRootInfo(Form("CorrectionFiles/Run%d_Correction.root",runnumber));
2260 SwitchOnRecalibration();
2261 for(Int_t ism = 0; ism < 4; ism++){
2262 for(Int_t icol = 0; icol < 48; icol++){
2263 for(Int_t irow = 0; irow < 24; irow++){
2264 Float_t orgRecalFactor = GetEMCALChannelRecalibrationFactors(ism)->GetBinContent(icol,irow);
2265 Float_t newRecalFactor = orgRecalFactor*corr->GetCorrection(ism, icol,irow,0);
2266 GetEMCALChannelRecalibrationFactors(ism)->SetBinContent(icol,irow,newRecalFactor);
2267 //printf("ism %d, icol %d, irow %d, corrections : org %f, time dep %f, final %f (org*time %f)\n",ism, icol, irow,
2268 // orgRecalFactor, corr->GetCorrection(ism, icol,irow,0),
2269 // (GetEMCALChannelRecalibrationFactors(ism))->GetBinContent(icol,irow),newRecalFactor);
2273 fRunCorrectionFactorsSet = kTRUE;