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)
222 // assign or copy construct
225 *fResidualEta = *reco.fResidualEta;
229 fResidualEta = new TArrayF(*reco.fResidualEta);
234 if(fResidualEta)delete fResidualEta;
238 if(reco.fResidualPhi)
240 // assign or copy construct
243 *fResidualPhi = *reco.fResidualPhi;
247 fResidualPhi = new TArrayF(*reco.fResidualPhi);
252 if(fResidualPhi)delete fResidualPhi;
256 if(reco.fMatchedTrackIndex)
258 // assign or copy construct
259 if(fMatchedTrackIndex)
261 *fMatchedTrackIndex = *reco.fMatchedTrackIndex;
265 fMatchedTrackIndex = new TArrayI(*reco.fMatchedTrackIndex);
270 if(fMatchedTrackIndex)delete fMatchedTrackIndex;
271 fMatchedTrackIndex = 0;
274 if(reco.fMatchedClusterIndex)
276 // assign or copy construct
277 if(fMatchedClusterIndex)
279 *fMatchedClusterIndex = *reco.fMatchedClusterIndex;
283 fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex);
288 if(fMatchedClusterIndex)delete fMatchedClusterIndex;
289 fMatchedClusterIndex = 0;
296 //_____________________________________
297 AliEMCALRecoUtils::~AliEMCALRecoUtils()
301 if(fEMCALRecalibrationFactors)
303 fEMCALRecalibrationFactors->Clear();
304 delete fEMCALRecalibrationFactors;
307 if(fEMCALTimeRecalibrationFactors)
309 fEMCALTimeRecalibrationFactors->Clear();
310 delete fEMCALTimeRecalibrationFactors;
313 if(fEMCALBadChannelMap)
315 fEMCALBadChannelMap->Clear();
316 delete fEMCALBadChannelMap;
319 delete fMatchedTrackIndex ;
320 delete fMatchedClusterIndex ;
321 delete fResidualEta ;
322 delete fResidualPhi ;
328 //_______________________________________________________________________________
329 Bool_t AliEMCALRecoUtils::AcceptCalibrateCell(const Int_t absID, const Int_t bc,
330 Float_t & amp, Double_t & time,
331 AliVCaloCells* cells)
333 // Reject cell if criteria not passed and calibrate it
335 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
337 if(absID < 0 || absID >= 24*48*geom->GetNumberOfSuperModules()) return kFALSE;
339 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
341 if(!geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta))
343 // cell absID does not exist
348 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
350 // Do not include bad channels found in analysis,
351 if( IsBadChannelsRemovalSwitchedOn() && GetEMCALChannelStatus(imod, ieta, iphi))
357 amp = cells->GetCellAmplitude(absID);
358 if(!fCellsRecalibrated && IsRecalibrationOn())
359 amp *= GetEMCALChannelRecalibrationFactor(imod,ieta,iphi);
363 time = cells->GetCellTime(absID);
365 RecalibrateCellTime(absID,bc,time);
370 //_____________________________________________________________________________
371 Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(const AliEMCALGeometry* geom,
372 const AliVCluster* cluster,
373 AliVCaloCells* cells)
375 // Given the list of AbsId of the cluster, get the maximum cell and
376 // check if there are fNCellsFromBorder from the calorimeter border
380 AliInfo("Cluster pointer null!");
384 //If the distance to the border is 0 or negative just exit accept all clusters
385 if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE;
387 Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
388 Bool_t shared = kFALSE;
389 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared);
391 AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n",
392 absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0));
394 if(absIdMax==-1) return kFALSE;
396 //Check if the cell is close to the borders:
397 Bool_t okrow = kFALSE;
398 Bool_t okcol = kFALSE;
400 if(iSM < 0 || iphi < 0 || ieta < 0 )
402 AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n",
409 if(iphi >= fNCellsFromEMCALBorder && iphi < 24-fNCellsFromEMCALBorder) okrow =kTRUE;
411 else if (iSM >=10 && ( ( geom->GetEMCGeometry()->GetGeoName()).Contains("12SMV1")))
413 if(iphi >= fNCellsFromEMCALBorder && iphi < 8-fNCellsFromEMCALBorder) okrow =kTRUE; //1/3 sm case
417 if(iphi >= fNCellsFromEMCALBorder && iphi < 12-fNCellsFromEMCALBorder) okrow =kTRUE; // half SM case
421 if(!fNoEMCALBorderAtEta0)
423 if(ieta > fNCellsFromEMCALBorder && ieta < 48-fNCellsFromEMCALBorder) okcol =kTRUE;
429 if(ieta >= fNCellsFromEMCALBorder) okcol = kTRUE;
433 if(ieta < 48-fNCellsFromEMCALBorder) okcol = kTRUE;
437 AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq",
438 fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow));
442 //printf("Accept\n");
447 //printf("Reject\n");
448 AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM));
455 //_______________________________________________________________________________
456 Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(const AliEMCALGeometry* geom,
457 const UShort_t* cellList,
460 // Check that in the cluster cells, there is no bad channel of those stored
461 // in fEMCALBadChannelMap or fPHOSBadChannelMap
463 if(!fRemoveBadChannels) return kFALSE;
464 if(!fEMCALBadChannelMap) return kFALSE;
469 for(Int_t iCell = 0; iCell<nCells; iCell++)
471 //Get the column and row
472 Int_t iTower = -1, iIphi = -1, iIeta = -1;
473 geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta);
474 if(fEMCALBadChannelMap->GetEntries() <= imod) continue;
475 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
476 if(GetEMCALChannelStatus(imod, icol, irow))
478 AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow));
482 }// cell cluster loop
487 //_____________________________________________________________________________________________
488 Bool_t AliEMCALRecoUtils::IsExoticCell(const Int_t absID, AliVCaloCells* cells, const Int_t bc)
490 // Look to cell neighbourhood and reject if it seems exotic
491 // Do before recalibrating the cells
493 if(!fRejectExoticCells) return kFALSE;
495 AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
497 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
498 geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta);
499 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
501 //Get close cells index, energy and time, not in corners
503 Int_t absID1 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi+1, ieta);
504 Int_t absID2 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi-1, ieta);
506 // In case of cell in eta = 0 border, depending on SM shift the cross cell index
510 if ( ieta == AliEMCALGeoParams::fgkEMCALCols - 1 && !(imod%2) )
512 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, 0);
513 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
515 else if( ieta == 0 && imod%2 )
517 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
518 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, AliEMCALGeoParams::fgkEMCALCols-1);
522 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
523 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
526 Float_t ecell = 0, ecell1 = 0, ecell2 = 0, ecell3 = 0, ecell4 = 0;
527 Double_t tcell = 0, tcell1 = 0, tcell2 = 0, tcell3 = 0, tcell4 = 0;
528 Bool_t accept = 0, accept1 = 0, accept2 = 0, accept3 = 0, accept4 = 0;
530 accept = AcceptCalibrateCell(absID, bc, ecell ,tcell ,cells);
532 if(!accept) return kTRUE; // reject this cell
534 if(ecell < fExoticCellMinAmplitude) return kFALSE; // do not reject low energy cells
536 accept1 = AcceptCalibrateCell(absID1,bc, ecell1,tcell1,cells);
537 accept2 = AcceptCalibrateCell(absID2,bc, ecell2,tcell2,cells);
538 accept3 = AcceptCalibrateCell(absID3,bc, ecell3,tcell3,cells);
539 accept4 = AcceptCalibrateCell(absID4,bc, ecell4,tcell4,cells);
542 printf("Cell absID %d \n",absID);
543 printf("\t accept1 %d, accept2 %d, accept3 %d, accept4 %d\n",
544 accept1,accept2,accept3,accept4);
545 printf("\t id %d: id1 %d, id2 %d, id3 %d, id4 %d\n",
546 absID,absID1,absID2,absID3,absID4);
547 printf("\t e %f: e1 %f, e2 %f, e3 %f, e4 %f\n",
548 ecell,ecell1,ecell2,ecell3,ecell4);
549 printf("\t t %f: t1 %f, t2 %f, t3 %f, t4 %f;\n dt1 %f, dt2 %f, dt3 %f, dt4 %f\n",
550 tcell*1.e9,tcell1*1.e9,tcell2*1.e9,tcell3*1.e9,tcell4*1.e9,
551 TMath::Abs(tcell-tcell1)*1.e9, TMath::Abs(tcell-tcell2)*1.e9, TMath::Abs(tcell-tcell3)*1.e9, TMath::Abs(tcell-tcell4)*1.e9);
554 if(TMath::Abs(tcell-tcell1)*1.e9 > fExoticCellDiffTime) ecell1 = 0 ;
555 if(TMath::Abs(tcell-tcell2)*1.e9 > fExoticCellDiffTime) ecell2 = 0 ;
556 if(TMath::Abs(tcell-tcell3)*1.e9 > fExoticCellDiffTime) ecell3 = 0 ;
557 if(TMath::Abs(tcell-tcell4)*1.e9 > fExoticCellDiffTime) ecell4 = 0 ;
559 Float_t eCross = ecell1+ecell2+ecell3+ecell4;
561 //printf("\t eCell %f, eCross %f, 1-eCross/eCell %f\n",ecell,eCross,1-eCross/ecell);
563 if(1-eCross/ecell > fExoticCellFraction)
565 AliDebug(2,Form("AliEMCALRecoUtils::IsExoticCell() - EXOTIC CELL id %d, eCell %f, eCross %f, 1-eCross/eCell %f\n",
566 absID,ecell,eCross,1-eCross/ecell));
573 //___________________________________________________________________
574 Bool_t AliEMCALRecoUtils::IsExoticCluster(const AliVCluster *cluster,
575 AliVCaloCells *cells,
578 // Check if the cluster highest energy tower is exotic
582 AliInfo("Cluster pointer null!");
586 if(!fRejectExoticCluster) return kFALSE;
588 // Get highest energy tower
589 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
590 Int_t iSupMod = -1, absId = -1, ieta = -1, iphi = -1;
591 Bool_t shared = kFALSE;
592 GetMaxEnergyCell(geom, cells, cluster, absId, iSupMod, ieta, iphi, shared);
594 return IsExoticCell(absId,cells,bc);
598 //_______________________________________________________________________
599 Float_t AliEMCALRecoUtils::SmearClusterEnergy(const AliVCluster* cluster)
601 //In case of MC analysis, smear energy to match resolution/calibration in real data
605 AliInfo("Cluster pointer null!");
609 Float_t energy = cluster->E() ;
610 Float_t rdmEnergy = energy ;
611 if(fSmearClusterEnergy)
613 rdmEnergy = fRandom.Gaus(energy,fSmearClusterParam[0] * TMath::Sqrt(energy) +
614 fSmearClusterParam[1] * energy +
615 fSmearClusterParam[2] );
616 AliDebug(2, Form("Energy: original %f, smeared %f\n", energy, rdmEnergy));
622 //____________________________________________________________________________
623 Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster)
625 // Correct cluster energy from non linearity functions
629 AliInfo("Cluster pointer null!");
633 Float_t energy = cluster->E();
635 switch (fNonLinearityFunction)
640 //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2)))))
641 //Double_t fNonLinearityParams[0] = 1.014;
642 //Double_t fNonLinearityParams[1] = -0.03329;
643 //Double_t fNonLinearityParams[2] = -0.3853;
644 //Double_t fNonLinearityParams[3] = 0.5423;
645 //Double_t fNonLinearityParams[4] = -0.4335;
646 energy *= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+
647 ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())*
648 exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3]))));
654 //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E))
655 //Double_t fNonLinearityParams[0] = 1.04;
656 //Double_t fNonLinearityParams[1] = -0.1445;
657 //Double_t fNonLinearityParams[2] = 1.046;
658 energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function
662 case kPi0GammaConversion:
664 //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)])
665 //fNonLinearityParams[0] = 0.139393/0.1349766;
666 //fNonLinearityParams[1] = 0.0566186;
667 //fNonLinearityParams[2] = 0.982133;
668 energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy));
675 //From beam test, Alexei's results, for different ZS thresholds
676 // th=30 MeV; th = 45 MeV; th = 75 MeV
677 //fNonLinearityParams[0] = 1.007; 1.003; 1.002
678 //fNonLinearityParams[1] = 0.894; 0.719; 0.797
679 //fNonLinearityParams[2] = 0.246; 0.334; 0.358
680 //Rescale the param[0] with 1.03
681 energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]));
686 case kBeamTestCorrected:
688 //From beam test, corrected for material between beam and EMCAL
689 //fNonLinearityParams[0] = 0.99078
690 //fNonLinearityParams[1] = 0.161499;
691 //fNonLinearityParams[2] = 0.655166;
692 //fNonLinearityParams[3] = 0.134101;
693 //fNonLinearityParams[4] = 163.282;
694 //fNonLinearityParams[5] = 23.6904;
695 //fNonLinearityParams[6] = 0.978;
696 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
702 AliDebug(2,"No correction on the energy\n");
710 //__________________________________________________
711 void AliEMCALRecoUtils::InitNonLinearityParam()
713 //Initialising Non Linearity Parameters
715 if(fNonLinearityFunction == kPi0MC)
717 fNonLinearityParams[0] = 1.014;
718 fNonLinearityParams[1] = -0.03329;
719 fNonLinearityParams[2] = -0.3853;
720 fNonLinearityParams[3] = 0.5423;
721 fNonLinearityParams[4] = -0.4335;
724 if(fNonLinearityFunction == kPi0GammaGamma)
726 fNonLinearityParams[0] = 1.04;
727 fNonLinearityParams[1] = -0.1445;
728 fNonLinearityParams[2] = 1.046;
731 if(fNonLinearityFunction == kPi0GammaConversion)
733 fNonLinearityParams[0] = 0.139393;
734 fNonLinearityParams[1] = 0.0566186;
735 fNonLinearityParams[2] = 0.982133;
738 if(fNonLinearityFunction == kBeamTest)
740 if(fNonLinearThreshold == 30)
742 fNonLinearityParams[0] = 1.007;
743 fNonLinearityParams[1] = 0.894;
744 fNonLinearityParams[2] = 0.246;
746 if(fNonLinearThreshold == 45)
748 fNonLinearityParams[0] = 1.003;
749 fNonLinearityParams[1] = 0.719;
750 fNonLinearityParams[2] = 0.334;
752 if(fNonLinearThreshold == 75)
754 fNonLinearityParams[0] = 1.002;
755 fNonLinearityParams[1] = 0.797;
756 fNonLinearityParams[2] = 0.358;
760 if(fNonLinearityFunction == kBeamTestCorrected)
762 fNonLinearityParams[0] = 0.99078;
763 fNonLinearityParams[1] = 0.161499;
764 fNonLinearityParams[2] = 0.655166;
765 fNonLinearityParams[3] = 0.134101;
766 fNonLinearityParams[4] = 163.282;
767 fNonLinearityParams[5] = 23.6904;
768 fNonLinearityParams[6] = 0.978;
772 //_________________________________________________________
773 Float_t AliEMCALRecoUtils::GetDepth(const Float_t energy,
774 const Int_t iParticle,
775 const Int_t iSM) const
777 //Calculate shower depth for a given cluster energy and particle type
787 depth = x0 * (TMath::Log(energy*1000/ ecr) + 0.5); //Multiply energy by 1000 to transform to MeV
791 depth = x0 * (TMath::Log(energy*1000/ ecr) - 0.5); //Multiply energy by 1000 to transform to MeV
799 gGeoManager->cd("ALIC_1/XEN1_1");
800 TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode();
801 TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM));
804 TGeoVolume *geoSMVol = geoSM->GetVolume();
805 TGeoShape *geoSMShape = geoSMVol->GetShape();
806 TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape);
807 if(geoBox) depth = 0.5 * geoBox->GetDX()*2 ;
808 else AliFatal("Null GEANT box");
810 else AliFatal("NULL GEANT node matrix");
814 depth = x0 * (TMath::Log(energy*1000 / ecr) - 0.5); //Multiply energy by 1000 to transform to MeV
820 depth = x0 * (TMath::Log(energy*1000 / ecr) + 0.5); //Multiply energy by 1000 to transform to MeV
826 //____________________________________________________________________
827 void AliEMCALRecoUtils::GetMaxEnergyCell(const AliEMCALGeometry *geom,
828 AliVCaloCells* cells,
829 const AliVCluster* clu,
836 //For a given CaloCluster gets the absId of the cell
837 //with maximum energy deposit.
840 Double_t eCell = -1.;
841 Float_t fraction = 1.;
842 Float_t recalFactor = 1.;
843 Int_t cellAbsId = -1 ;
852 AliInfo("Cluster pointer null!");
853 absId=-1; iSupMod0=-1, ieta = -1; iphi = -1; shared = -1;
857 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
859 cellAbsId = clu->GetCellAbsId(iDig);
860 fraction = clu->GetCellAmplitudeFraction(iDig);
861 //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction);
862 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
863 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
864 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
869 else if(iSupMod0!=iSupMod)
872 //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n");
874 if(!fCellsRecalibrated && IsRecalibrationOn())
876 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
878 eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor;
879 //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction);
884 //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell);
888 //Get from the absid the supermodule, tower and eta/phi numbers
889 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
890 //Gives SuperModule and Tower numbers
891 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
892 iIphi, iIeta,iphi,ieta);
893 //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi);
894 //printf("Max end---\n");
897 //______________________________________
898 void AliEMCALRecoUtils::InitParameters()
900 // Initialize data members with default values
902 fParticleType = kPhoton;
903 fPosAlgo = kUnchanged;
906 fNonLinearityFunction = kNoCorrection;
907 fNonLinearThreshold = 30;
909 fExoticCellFraction = 0.97;
910 fExoticCellDiffTime = 1e6;
911 fExoticCellMinAmplitude = 0.5;
915 fCutEtaPhiSum = kTRUE;
916 fCutEtaPhiSeparate = kFALSE;
922 fClusterWindow = 100;
927 fTrackCutsType = kLooseCut;
930 fCutMinNClusterTPC = -1;
931 fCutMinNClusterITS = -1;
933 fCutMaxChi2PerClusterTPC = 1e10;
934 fCutMaxChi2PerClusterITS = 1e10;
936 fCutRequireTPCRefit = kFALSE;
937 fCutRequireITSRefit = kFALSE;
938 fCutAcceptKinkDaughters = kFALSE;
940 fCutMaxDCAToVertexXY = 1e10;
941 fCutMaxDCAToVertexZ = 1e10;
942 fCutDCAToVertex2D = kFALSE;
945 //Misalignment matrices
946 for(Int_t i = 0; i < 15 ; i++)
948 fMisalTransShift[i] = 0.;
949 fMisalRotShift[i] = 0.;
953 for(Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = 0.;
955 //For kBeamTestCorrected case, but default is no correction
956 fNonLinearityParams[0] = 0.99078;
957 fNonLinearityParams[1] = 0.161499;
958 fNonLinearityParams[2] = 0.655166;
959 fNonLinearityParams[3] = 0.134101;
960 fNonLinearityParams[4] = 163.282;
961 fNonLinearityParams[5] = 23.6904;
962 fNonLinearityParams[6] = 0.978;
964 //For kPi0GammaGamma case
965 //fNonLinearityParams[0] = 0.1457/0.1349766/1.038;
966 //fNonLinearityParams[1] = -0.02024/0.1349766/1.038;
967 //fNonLinearityParams[2] = 1.046;
969 //Cluster energy smearing
970 fSmearClusterEnergy = kFALSE;
971 fSmearClusterParam[0] = 0.07; // * sqrt E term
972 fSmearClusterParam[1] = 0.00; // * E term
973 fSmearClusterParam[2] = 0.00; // constant
976 //_____________________________________________________
977 void AliEMCALRecoUtils::InitEMCALRecalibrationFactors()
979 //Init EMCAL recalibration factors
980 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
981 //In order to avoid rewriting the same histograms
982 Bool_t oldStatus = TH1::AddDirectoryStatus();
983 TH1::AddDirectory(kFALSE);
985 fEMCALRecalibrationFactors = new TObjArray(12);
986 for (int i = 0; i < 12; i++)
987 fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),
988 Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24));
989 //Init the histograms with 1
990 for (Int_t sm = 0; sm < 12; sm++)
992 for (Int_t i = 0; i < 48; i++)
994 for (Int_t j = 0; j < 24; j++)
996 SetEMCALChannelRecalibrationFactor(sm,i,j,1.);
1001 fEMCALRecalibrationFactors->SetOwner(kTRUE);
1002 fEMCALRecalibrationFactors->Compress();
1004 //In order to avoid rewriting the same histograms
1005 TH1::AddDirectory(oldStatus);
1008 //_________________________________________________________
1009 void AliEMCALRecoUtils::InitEMCALTimeRecalibrationFactors()
1011 //Init EMCAL recalibration factors
1012 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
1013 //In order to avoid rewriting the same histograms
1014 Bool_t oldStatus = TH1::AddDirectoryStatus();
1015 TH1::AddDirectory(kFALSE);
1017 fEMCALTimeRecalibrationFactors = new TObjArray(4);
1018 for (int i = 0; i < 4; i++)
1019 fEMCALTimeRecalibrationFactors->Add(new TH1F(Form("hAllTimeAvBC%d",i),
1020 Form("hAllTimeAvBC%d",i),
1021 48*24*12,0.,48*24*12) );
1022 //Init the histograms with 1
1023 for (Int_t bc = 0; bc < 4; bc++)
1025 for (Int_t i = 0; i < 48*24*12; i++)
1026 SetEMCALChannelTimeRecalibrationFactor(bc,i,0.);
1029 fEMCALTimeRecalibrationFactors->SetOwner(kTRUE);
1030 fEMCALTimeRecalibrationFactors->Compress();
1032 //In order to avoid rewriting the same histograms
1033 TH1::AddDirectory(oldStatus);
1036 //____________________________________________________
1037 void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()
1039 //Init EMCAL bad channels map
1040 AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()");
1041 //In order to avoid rewriting the same histograms
1042 Bool_t oldStatus = TH1::AddDirectoryStatus();
1043 TH1::AddDirectory(kFALSE);
1045 fEMCALBadChannelMap = new TObjArray(12);
1046 //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24);
1047 for (int i = 0; i < 12; i++)
1049 fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24));
1052 fEMCALBadChannelMap->SetOwner(kTRUE);
1053 fEMCALBadChannelMap->Compress();
1055 //In order to avoid rewriting the same histograms
1056 TH1::AddDirectory(oldStatus);
1059 //____________________________________________________________________________
1060 void AliEMCALRecoUtils::RecalibrateClusterEnergy(const AliEMCALGeometry* geom,
1061 AliVCluster * cluster,
1062 AliVCaloCells * cells,
1065 // Recalibrate the cluster energy and Time, considering the recalibration map
1066 // and the energy of the cells and time that compose the cluster.
1067 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1071 AliInfo("Cluster pointer null!");
1075 //Get the cluster number of cells and list of absId, check what kind of cluster do we have.
1076 UShort_t * index = cluster->GetCellsAbsId() ;
1077 Double_t * fraction = cluster->GetCellsAmplitudeFraction() ;
1078 Int_t ncells = cluster->GetNCells();
1080 //Initialize some used variables
1083 Int_t icol =-1, irow =-1, imod=1;
1084 Float_t factor = 1, frac = 0;
1085 Int_t absIdMax = -1;
1088 //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy
1089 for(Int_t icell = 0; icell < ncells; icell++)
1091 absId = index[icell];
1092 frac = fraction[icell];
1093 if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
1095 if(!fCellsRecalibrated && IsRecalibrationOn())
1098 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1099 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
1100 if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue;
1101 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
1102 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
1104 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
1105 imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId)));
1109 energy += cells->GetCellAmplitude(absId)*factor*frac;
1111 if(emax < cells->GetCellAmplitude(absId)*factor*frac)
1113 emax = cells->GetCellAmplitude(absId)*factor*frac;
1118 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f \n",cluster->E(),energy));
1120 cluster->SetE(energy);
1122 // Recalculate time of cluster
1123 Double_t timeorg = cluster->GetTOF();
1124 if(!fCellsRecalibrated && IsTimeRecalibrationOn())
1126 Double_t time = timeorg;
1127 RecalibrateCellTime(absIdMax,bc,time);
1128 cluster->SetTOF(time);
1131 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Time before %f, after %f \n",timeorg,cluster->GetTOF()));
1135 //_____________________________________________________________
1136 void AliEMCALRecoUtils::RecalibrateCells(AliVCaloCells * cells,
1139 // Recalibrate the cells time and energy, considering the recalibration map and the energy
1140 // of the cells that compose the cluster.
1141 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1143 if(!IsRecalibrationOn() && !IsTimeRecalibrationOn()) return;
1147 AliInfo("Cells pointer null!");
1152 Bool_t accept = kFALSE;
1156 Int_t nEMcell = cells->GetNumberOfCells() ;
1157 for (Int_t iCell = 0; iCell < nEMcell; iCell++)
1159 absId = cells->GetCellNumber(iCell);
1161 accept = AcceptCalibrateCell(absId, bc, ecell ,tcell ,cells);
1169 cells->SetCell(iCell,absId,ecell, tcell);
1172 fCellsRecalibrated = kTRUE;
1175 //_______________________________________________________________________________________________________
1176 void AliEMCALRecoUtils::RecalibrateCellTime(const Int_t absId, const Int_t bc, Double_t & celltime) const
1178 // Recalibrate time of cell with absID considering the recalibration map
1179 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1181 if(!fCellsRecalibrated && IsTimeRecalibrationOn() && bc >= 0)
1183 celltime -= GetEMCALChannelTimeRecalibrationFactor(bc%4,absId)*1.e-9; ;
1187 //______________________________________________________________________________
1188 void AliEMCALRecoUtils::RecalculateClusterPosition(const AliEMCALGeometry *geom,
1189 AliVCaloCells* cells,
1192 //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1196 AliInfo("Cluster pointer null!");
1200 if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu);
1201 else if(fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu);
1202 else AliDebug(2,"Algorithm to recalculate position not selected, do nothing.");
1205 //_____________________________________________________________________________________________
1206 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(const AliEMCALGeometry *geom,
1207 AliVCaloCells* cells,
1210 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1211 // The algorithm is a copy of what is done in AliEMCALRecPoint
1213 Double_t eCell = 0.;
1214 Float_t fraction = 1.;
1215 Float_t recalFactor = 1.;
1218 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1219 Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1;
1220 Float_t weight = 0., totalWeight=0.;
1221 Float_t newPos[3] = {0,0,0};
1222 Double_t pLocal[3], pGlobal[3];
1223 Bool_t shared = kFALSE;
1225 Float_t clEnergy = clu->E(); //Energy already recalibrated previously
1226 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1227 Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ;
1229 //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth);
1231 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
1233 absId = clu->GetCellAbsId(iDig);
1234 fraction = clu->GetCellAmplitudeFraction(iDig);
1235 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1237 if (!fCellsRecalibrated)
1239 geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta);
1240 geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta);
1242 if(IsRecalibrationOn())
1244 recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi);
1248 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1250 weight = GetCellWeight(eCell,clEnergy);
1251 totalWeight += weight;
1253 geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]);
1254 //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId);
1255 geom->GetGlobal(pLocal,pGlobal,iSupModMax);
1256 //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]);
1258 for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]);
1263 for(int i=0; i<3; i++ ) newPos[i] /= totalWeight;
1266 //Float_t pos[]={0,0,0};
1267 //clu->GetPosition(pos);
1268 //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]);
1269 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1271 if(iSupModMax > 1) //sector 1
1273 newPos[0] +=fMisalTransShift[3];//-=3.093;
1274 newPos[1] +=fMisalTransShift[4];//+=6.82;
1275 newPos[2] +=fMisalTransShift[5];//+=1.635;
1276 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]);
1279 newPos[0] +=fMisalTransShift[0];//+=1.134;
1280 newPos[1] +=fMisalTransShift[1];//+=8.2;
1281 newPos[2] +=fMisalTransShift[2];//+=1.197;
1282 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]);
1284 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1286 clu->SetPosition(newPos);
1289 //____________________________________________________________________________________________
1290 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(const AliEMCALGeometry *geom,
1291 AliVCaloCells* cells,
1294 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1295 // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position
1297 Double_t eCell = 1.;
1298 Float_t fraction = 1.;
1299 Float_t recalFactor = 1.;
1303 Int_t iIphi = -1, iIeta = -1;
1304 Int_t iSupMod = -1, iSupModMax = -1;
1305 Int_t iphi = -1, ieta =-1;
1306 Bool_t shared = kFALSE;
1308 Float_t clEnergy = clu->E(); //Energy already recalibrated previously.
1309 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1310 Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ;
1312 Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.;
1313 Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now
1314 Int_t startingSM = -1;
1316 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
1318 absId = clu->GetCellAbsId(iDig);
1319 fraction = clu->GetCellAmplitudeFraction(iDig);
1320 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1322 if (iDig==0) startingSM = iSupMod;
1323 else if(iSupMod != startingSM) areInSameSM = kFALSE;
1325 eCell = cells->GetCellAmplitude(absId);
1327 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
1328 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
1330 if (!fCellsRecalibrated)
1332 if(IsRecalibrationOn())
1334 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1338 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1340 weight = GetCellWeight(eCell,clEnergy);
1341 if(weight < 0) weight = 0;
1342 totalWeight += weight;
1343 weightedCol += ieta*weight;
1344 weightedRow += iphi*weight;
1346 //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ;
1349 Float_t xyzNew[]={0.,0.,0.};
1350 if(areInSameSM == kTRUE)
1352 //printf("In Same SM\n");
1353 weightedCol = weightedCol/totalWeight;
1354 weightedRow = weightedRow/totalWeight;
1355 geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1359 //printf("In Different SM\n");
1360 geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1363 clu->SetPosition(xyzNew);
1366 //___________________________________________________________________________________________
1367 void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(const AliEMCALGeometry * geom,
1368 AliVCaloCells* cells,
1369 AliVCluster * cluster)
1371 //re-evaluate distance to bad channel with updated bad map
1373 if(!fRecalDistToBadChannels) return;
1377 AliInfo("Cluster pointer null!");
1381 //Get channels map of the supermodule where the cluster is.
1382 Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1;
1383 Bool_t shared = kFALSE;
1384 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared);
1385 TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod);
1388 Float_t minDist = 10000.;
1391 //Loop on tower status map
1392 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++)
1394 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++)
1396 //Check if tower is bad.
1397 if(hMap->GetBinContent(icol,irow)==0) continue;
1398 //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n",
1399 // iSupMod,icol, irow, icolM,irowM);
1401 dRrow=TMath::Abs(irowM-irow);
1402 dRcol=TMath::Abs(icolM-icol);
1403 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1406 //printf("MIN DISTANCE TO BAD %2.2f\n",dist);
1412 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
1416 Int_t iSupMod2 = -1;
1418 //The only possible combinations are (0,1), (2,3) ... (8,9)
1419 if(iSupMod%2) iSupMod2 = iSupMod-1;
1420 else iSupMod2 = iSupMod+1;
1421 hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2);
1423 //Loop on tower status map of second super module
1424 for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++)
1426 for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++)
1428 //Check if tower is bad.
1429 if(hMap2->GetBinContent(icol,irow)==0) continue;
1430 //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",
1431 // iSupMod2,icol, irow,iSupMod,icolM,irowM);
1432 dRrow=TMath::Abs(irow-irowM);
1436 dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM));
1439 dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM);
1442 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1443 if(dist < minDist) minDist = dist;
1446 }// shared cluster in 2 SuperModules
1448 AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist));
1449 cluster->SetDistanceToBadChannel(minDist);
1452 //__________________________________________________________________
1453 void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster)
1455 //re-evaluate identification parameters with bayesian
1459 AliInfo("Cluster pointer null!");
1463 if ( cluster->GetM02() != 0)
1464 fPIDUtils->ComputePID(cluster->E(),cluster->GetM02());
1466 Float_t pidlist[AliPID::kSPECIESN+1];
1467 for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i);
1469 cluster->SetPID(pidlist);
1472 //____________________________________________________________________________________________
1473 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(const AliEMCALGeometry * geom,
1474 AliVCaloCells* cells,
1475 AliVCluster * cluster)
1477 // Calculates new center of gravity in the local EMCAL-module coordinates
1478 // and tranfers into global ALICE coordinates
1479 // Calculates Dispersion and main axis
1483 AliInfo("Cluster pointer null!");
1489 Double_t eCell = 0.;
1490 Float_t fraction = 1.;
1491 Float_t recalFactor = 1.;
1499 Double_t etai = -1.;
1500 Double_t phii = -1.;
1507 Double_t xmean = 0.;
1508 Double_t zmean = 0.;
1511 for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1513 //Get from the absid the supermodule, tower and eta/phi numbers
1514 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1515 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1517 //Get the cell energy, if recalibration is on, apply factors
1518 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1519 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1521 if (!fCellsRecalibrated)
1523 if(IsRecalibrationOn())
1525 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1529 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1531 if(cluster->E() > 0 && eCell > 0)
1533 w = GetCellWeight(eCell,cluster->E());
1535 etai=(Double_t)ieta;
1536 phii=(Double_t)iphi;
1542 dxx += w * etai * etai ;
1544 dzz += w * phii * phii ;
1546 dxz += w * etai * phii ;
1550 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1553 //Normalize to the weight
1560 AliError(Form("Wrong weight %f\n", wtot));
1562 //Calculate dispersion
1563 for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1565 //Get from the absid the supermodule, tower and eta/phi numbers
1566 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1567 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1569 //Get the cell energy, if recalibration is on, apply factors
1570 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1571 if(fraction < 1e-4) fraction = 1.; // in case unfolding is off
1572 if (IsRecalibrationOn())
1574 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1576 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1578 if(cluster->E() > 0 && eCell > 0)
1580 w = GetCellWeight(eCell,cluster->E());
1582 etai=(Double_t)ieta;
1583 phii=(Double_t)iphi;
1584 if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean));
1587 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1590 //Normalize to the weigth and set shower shape parameters
1591 if (wtot > 0 && nstat > 1)
1597 dxx -= xmean * xmean ;
1598 dzz -= zmean * zmean ;
1599 dxz -= xmean * zmean ;
1600 cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
1601 cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ));
1606 cluster->SetM20(0.) ;
1607 cluster->SetM02(0.) ;
1611 cluster->SetDispersion(TMath::Sqrt(d)) ;
1613 cluster->SetDispersion(0) ;
1616 //____________________________________________________________________________
1617 void AliEMCALRecoUtils::FindMatches(AliVEvent *event,
1618 TObjArray * clusterArr,
1619 const AliEMCALGeometry *geom)
1621 //This function should be called before the cluster loop
1622 //Before call this function, please recalculate the cluster positions
1623 //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR
1624 //Store matched cluster indexes and residuals
1626 fMatchedTrackIndex ->Reset();
1627 fMatchedClusterIndex->Reset();
1628 fResidualPhi->Reset();
1629 fResidualEta->Reset();
1631 fMatchedTrackIndex ->Set(1000);
1632 fMatchedClusterIndex->Set(1000);
1633 fResidualPhi->Set(1000);
1634 fResidualEta->Set(1000);
1636 AliESDEvent* esdevent = dynamic_cast<AliESDEvent*> (event);
1637 AliAODEvent* aodevent = dynamic_cast<AliAODEvent*> (event);
1639 // init the magnetic field if not already on
1640 if(!TGeoGlobalMagField::Instance()->GetField())
1642 AliInfo("Init the magnetic field\n");
1645 esdevent->InitMagneticField();
1649 Double_t curSol = 30000*aodevent->GetMagneticField()/5.00668;
1650 Double_t curDip = 6000 *aodevent->GetMuonMagFieldScale();
1651 AliMagF *field = AliMagF::CreateFieldMap(curSol,curDip);
1652 TGeoGlobalMagField::Instance()->SetField(field);
1656 AliInfo("Mag Field not initialized, null esd/aod evetn pointers");
1661 TObjArray *clusterArray = 0x0;
1664 clusterArray = new TObjArray(event->GetNumberOfCaloClusters());
1665 for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1667 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1668 if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1669 clusterArray->AddAt(cluster,icl);
1675 for (Int_t i=0; i<21;i++) cv[i]=0;
1676 for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++)
1678 AliExternalTrackParam *trackParam = 0;
1680 //If the input event is ESD, the starting point for extrapolation is TPCOut, if available, or TPCInner
1681 AliESDtrack *esdTrack = 0;
1682 AliAODTrack *aodTrack = 0;
1685 esdTrack = esdevent->GetTrack(itr);
1686 if(!esdTrack) continue;
1687 if(!IsAccepted(esdTrack)) continue;
1688 if(esdTrack->Pt()<fCutMinTrackPt) continue;
1689 Double_t phi = esdTrack->Phi()*TMath::RadToDeg();
1690 if(TMath::Abs(esdTrack->Eta())>0.8 || phi <= 20 || phi >= 240 ) continue;
1691 trackParam = const_cast<AliExternalTrackParam*>(esdTrack->GetInnerParam());
1694 //If the input event is AOD, the starting point for extrapolation is at vertex
1695 //AOD tracks are selected according to its filterbit.
1698 aodTrack = aodevent->GetTrack(itr);
1699 if(!aodTrack) continue;
1700 if(!aodTrack->TestFilterMask(fAODFilterMask)) continue; //Select AOD tracks that fulfill GetStandardITSTPCTrackCuts2010()
1701 if(aodTrack->Pt()<fCutMinTrackPt) continue;
1702 Double_t phi = aodTrack->Phi()*TMath::RadToDeg();
1703 if(TMath::Abs(aodTrack->Eta())>0.8 || phi <= 20 || phi >= 240 ) continue;
1704 Double_t pos[3],mom[3];
1705 aodTrack->GetXYZ(pos);
1706 aodTrack->GetPxPyPz(mom);
1707 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()));
1708 trackParam= new AliExternalTrackParam(pos,mom,cv,aodTrack->Charge());
1711 //Return if the input data is not "AOD" or "ESD"
1714 printf("Wrong input data type! Should be \"AOD\" or \"ESD\"\n");
1717 clusterArray->Clear();
1718 delete clusterArray;
1723 if(!trackParam) continue;
1725 //Extrapolate the track to EMCal surface
1726 AliExternalTrackParam emcalParam(*trackParam);
1728 if(!ExtrapolateTrackToEMCalSurface(&emcalParam, 430., fMass, fStepSurface, eta, phi))
1730 if(aodevent && trackParam) delete trackParam;
1736 // esdTrack->SetOuterParam(&emcalParam,AliExternalTrackParam::kMultSec);
1739 if(TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad())
1741 if(aodevent && trackParam) delete trackParam;
1746 //Find matched clusters
1748 Float_t dEta = -999, dPhi = -999;
1751 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArray, dEta, dPhi);
1755 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1760 fMatchedTrackIndex ->AddAt(itr,matched);
1761 fMatchedClusterIndex ->AddAt(index,matched);
1762 fResidualEta ->AddAt(dEta,matched);
1763 fResidualPhi ->AddAt(dPhi,matched);
1766 if(aodevent && trackParam) delete trackParam;
1771 clusterArray->Clear();
1772 delete clusterArray;
1775 AliDebug(2,Form("Number of matched pairs = %d !\n",matched));
1777 fMatchedTrackIndex ->Set(matched);
1778 fMatchedClusterIndex ->Set(matched);
1779 fResidualPhi ->Set(matched);
1780 fResidualEta ->Set(matched);
1783 //________________________________________________________________________________
1784 Int_t AliEMCALRecoUtils::FindMatchedClusterInEvent(const AliESDtrack *track,
1785 const AliVEvent *event,
1786 const AliEMCALGeometry *geom,
1787 Float_t &dEta, Float_t &dPhi)
1790 // This function returns the index of matched cluster to input track
1791 // Returns -1 if no match is found
1793 Double_t phiV = track->Phi()*TMath::RadToDeg();
1794 if(TMath::Abs(track->Eta())>0.8 || phiV <= 20 || phiV >= 240 ) return index;
1795 AliExternalTrackParam *trackParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam());
1796 if(!trackParam) return index;
1797 AliExternalTrackParam emcalParam(*trackParam);
1799 if(!ExtrapolateTrackToEMCalSurface(&emcalParam, 430., fMass, fStepSurface, eta, phi)) return index;
1800 if(TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) return index;
1802 TObjArray *clusterArr = new TObjArray(event->GetNumberOfCaloClusters());
1804 for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1806 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1807 if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1808 clusterArr->AddAt(cluster,icl);
1811 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1812 clusterArr->Clear();
1818 //_______________________________________________________________________________________________
1819 Int_t AliEMCALRecoUtils::FindMatchedClusterInClusterArr(const AliExternalTrackParam *emcalParam,
1820 AliExternalTrackParam *trkParam,
1821 const TObjArray * clusterArr,
1822 Float_t &dEta, Float_t &dPhi)
1824 // Find matched cluster in array
1826 dEta=-999, dPhi=-999;
1827 Float_t dRMax = fCutR, dEtaMax=fCutEta, dPhiMax=fCutPhi;
1829 Float_t tmpEta=-999, tmpPhi=-999;
1831 Double_t exPos[3] = {0.,0.,0.};
1832 if(!emcalParam->GetXYZ(exPos)) return index;
1834 Float_t clsPos[3] = {0.,0.,0.};
1835 for(Int_t icl=0; icl<clusterArr->GetEntriesFast(); icl++)
1837 AliVCluster *cluster = dynamic_cast<AliVCluster*> (clusterArr->At(icl)) ;
1838 if(!cluster || !cluster->IsEMCAL()) continue;
1839 cluster->GetPosition(clsPos);
1840 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));
1841 if(dR > fClusterWindow) continue;
1843 AliExternalTrackParam trkPamTmp (*trkParam);//Retrieve the starting point every time before the extrapolation
1844 if(!ExtrapolateTrackToCluster(&trkPamTmp, cluster, fMass, fStepCluster, tmpEta, tmpPhi)) continue;
1847 Float_t tmpR=TMath::Sqrt(tmpEta*tmpEta + tmpPhi*tmpPhi);
1856 else if(fCutEtaPhiSeparate)
1858 if(TMath::Abs(tmpEta)<TMath::Abs(dEtaMax) && TMath::Abs(tmpPhi)<TMath::Abs(dPhiMax))
1867 printf("Error: please specify your cut criteria\n");
1868 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
1869 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
1880 //------------------------------------------------------------------------------------
1881 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliExternalTrackParam *trkParam,
1882 const Double_t emcalR,
1883 const Double_t mass,
1884 const Double_t step,
1888 //Extrapolate track to EMCAL surface
1890 eta = -999, phi = -999;
1891 if(!trkParam) return kFALSE;
1892 if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, emcalR, mass, step, kTRUE, 0.8, -1)) return kFALSE;
1893 Double_t trkPos[3] = {0.,0.,0.};
1894 if(!trkParam->GetXYZ(trkPos)) return kFALSE;
1895 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
1896 eta = trkPosVec.Eta();
1897 phi = trkPosVec.Phi();
1899 phi += 2*TMath::Pi();
1904 //-----------------------------------------------------------------------------------
1905 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToPosition(AliExternalTrackParam *trkParam,
1906 const Float_t *clsPos,
1913 //Return the residual by extrapolating a track param to a global position
1917 if(!trkParam) return kFALSE;
1918 Double_t trkPos[3] = {0.,0.,0.};
1919 TVector3 vec(clsPos[0],clsPos[1],clsPos[2]);
1920 Double_t alpha = ((int)(vec.Phi()*TMath::RadToDeg()/20)+0.5)*20*TMath::DegToRad();
1921 vec.RotateZ(-alpha); //Rotate the cluster to the local extrapolation coordinate system
1922 if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, vec.X(), mass, step,kTRUE, 0.8, -1)) return kFALSE;
1923 if(!trkParam->GetXYZ(trkPos)) return kFALSE; //Get the extrapolated global position
1925 TVector3 clsPosVec(clsPos[0],clsPos[1],clsPos[2]);
1926 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
1928 // track cluster matching
1929 tmpPhi = clsPosVec.DeltaPhi(trkPosVec); // tmpPhi is between -pi and pi
1930 tmpEta = clsPosVec.Eta()-trkPosVec.Eta();
1935 //----------------------------------------------------------------------------------
1936 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
1937 const AliVCluster *cluster,
1938 const Double_t mass,
1939 const Double_t step,
1944 //Return the residual by extrapolating a track param to a cluster
1948 if(!cluster || !trkParam) return kFALSE;
1950 Float_t clsPos[3] = {0.,0.,0.};
1951 cluster->GetPosition(clsPos);
1953 return ExtrapolateTrackToPosition(trkParam, clsPos, mass, step, tmpEta, tmpPhi);
1956 //---------------------------------------------------------------------------------
1957 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
1958 const AliVCluster *cluster,
1963 //Return the residual by extrapolating a track param to a clusterfStepCluster
1966 return ExtrapolateTrackToCluster(trkParam, cluster, fMass, fStepCluster, tmpEta, tmpPhi);
1969 //_______________________________________________________________________
1970 void AliEMCALRecoUtils::GetMatchedResiduals(const Int_t clsIndex,
1971 Float_t &dEta, Float_t &dPhi)
1973 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
1974 //Get the residuals dEta and dPhi for this cluster to the closest track
1975 //Works with ESDs and AODs
1977 if( FindMatchedPosForCluster(clsIndex) >= 999 )
1979 AliDebug(2,"No matched tracks found!\n");
1984 dEta = fResidualEta->At(FindMatchedPosForCluster(clsIndex));
1985 dPhi = fResidualPhi->At(FindMatchedPosForCluster(clsIndex));
1988 //______________________________________________________________________________________________
1989 void AliEMCALRecoUtils::GetMatchedClusterResiduals(Int_t trkIndex, Float_t &dEta, Float_t &dPhi)
1991 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
1992 //Get the residuals dEta and dPhi for this track to the closest cluster
1993 //Works with ESDs and AODs
1995 if( FindMatchedPosForTrack(trkIndex) >= 999 )
1997 AliDebug(2,"No matched cluster found!\n");
2002 dEta = fResidualEta->At(FindMatchedPosForTrack(trkIndex));
2003 dPhi = fResidualPhi->At(FindMatchedPosForTrack(trkIndex));
2006 //__________________________________________________________
2007 Int_t AliEMCALRecoUtils::GetMatchedTrackIndex(Int_t clsIndex)
2009 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2010 //Get the index of matched track to this cluster
2011 //Works with ESDs and AODs
2013 if(IsClusterMatched(clsIndex))
2014 return fMatchedTrackIndex->At(FindMatchedPosForCluster(clsIndex));
2019 //__________________________________________________________
2020 Int_t AliEMCALRecoUtils::GetMatchedClusterIndex(Int_t trkIndex)
2022 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2023 //Get the index of matched cluster to this track
2024 //Works with ESDs and AODs
2026 if(IsTrackMatched(trkIndex))
2027 return fMatchedClusterIndex->At(FindMatchedPosForTrack(trkIndex));
2032 //______________________________________________________________
2033 Bool_t AliEMCALRecoUtils::IsClusterMatched(Int_t clsIndex) const
2035 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2036 //Returns if the cluster has a match
2037 if(FindMatchedPosForCluster(clsIndex) < 999)
2043 //____________________________________________________________
2044 Bool_t AliEMCALRecoUtils::IsTrackMatched(Int_t trkIndex) const
2046 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2047 //Returns if the track has a match
2048 if(FindMatchedPosForTrack(trkIndex) < 999)
2054 //______________________________________________________________________
2055 UInt_t AliEMCALRecoUtils::FindMatchedPosForCluster(Int_t clsIndex) const
2057 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2058 //Returns the position of the match in the fMatchedClusterIndex array
2059 Float_t tmpR = fCutR;
2062 for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++)
2064 if(fMatchedClusterIndex->At(i)==clsIndex)
2066 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
2071 AliDebug(3,Form("Matched cluster index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",
2072 fMatchedClusterIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
2079 //____________________________________________________________________
2080 UInt_t AliEMCALRecoUtils::FindMatchedPosForTrack(Int_t trkIndex) const
2082 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2083 //Returns the position of the match in the fMatchedTrackIndex array
2084 Float_t tmpR = fCutR;
2087 for(Int_t i=0; i<fMatchedTrackIndex->GetSize(); i++)
2089 if(fMatchedTrackIndex->At(i)==trkIndex)
2091 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
2096 AliDebug(3,Form("Matched track index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",
2097 fMatchedTrackIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
2104 //__________________________________________________________________________
2105 Bool_t AliEMCALRecoUtils::IsGoodCluster(AliVCluster *cluster,
2106 const AliEMCALGeometry *geom,
2107 AliVCaloCells* cells,const Int_t bc)
2109 // check if the cluster survives some quality cut
2112 Bool_t isGood=kTRUE;
2114 if(!cluster || !cluster->IsEMCAL()) return kFALSE;
2116 if(ClusterContainsBadChannel(geom,cluster->GetCellsAbsId(),cluster->GetNCells())) return kFALSE;
2118 if(!CheckCellFiducialRegion(geom,cluster,cells)) return kFALSE;
2120 if(IsExoticCluster(cluster, cells,bc)) return kFALSE;
2125 //__________________________________________________________
2126 Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack)
2128 // Given a esd track, return whether the track survive all the cuts
2130 // The different quality parameter are first
2131 // retrieved from the track. then it is found out what cuts the
2132 // track did not survive and finally the cuts are imposed.
2134 UInt_t status = esdTrack->GetStatus();
2136 Int_t nClustersITS = esdTrack->GetITSclusters(0);
2137 Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
2139 Float_t chi2PerClusterITS = -1;
2140 Float_t chi2PerClusterTPC = -1;
2141 if (nClustersITS!=0)
2142 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
2143 if (nClustersTPC!=0)
2144 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
2148 if(fTrackCutsType==kGlobalCut)
2150 Float_t maxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
2151 //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep));
2152 SetMaxDCAToVertexXY(maxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane
2158 esdTrack->GetImpactParameters(b,bCov);
2159 if (bCov[0]<=0 || bCov[2]<=0)
2161 AliDebug(1, "Estimated b resolution lower or equal zero!");
2162 bCov[0]=0; bCov[2]=0;
2165 Float_t dcaToVertexXY = b[0];
2166 Float_t dcaToVertexZ = b[1];
2167 Float_t dcaToVertex = -1;
2169 if (fCutDCAToVertex2D)
2170 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
2172 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
2176 Bool_t cuts[kNCuts];
2177 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
2179 // track quality cuts
2180 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
2182 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
2184 if (nClustersTPC<fCutMinNClusterTPC)
2186 if (nClustersITS<fCutMinNClusterITS)
2188 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
2190 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
2192 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
2194 if (fCutDCAToVertex2D && dcaToVertex > 1)
2196 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
2198 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
2201 if(fTrackCutsType==kGlobalCut)
2203 //Require at least one SPD point + anything else in ITS
2204 if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE)
2209 for (Int_t i=0; i<kNCuts; i++)
2210 if (cuts[i]) { cut = kTRUE ; }
2219 //_____________________________________
2220 void AliEMCALRecoUtils::InitTrackCuts()
2222 //Intilize the track cut criteria
2223 //By default these cuts are set according to AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
2224 //Also you can customize the cuts using the setters
2226 switch (fTrackCutsType)
2230 AliInfo(Form("Track cuts for matching: GetStandardTPCOnlyTrackCuts()"));
2232 SetMinNClustersTPC(70);
2233 SetMaxChi2PerClusterTPC(4);
2234 SetAcceptKinkDaughters(kFALSE);
2235 SetRequireTPCRefit(kFALSE);
2238 SetRequireITSRefit(kFALSE);
2239 SetMaxDCAToVertexZ(3.2);
2240 SetMaxDCAToVertexXY(2.4);
2241 SetDCAToVertex2D(kTRUE);
2248 AliInfo(Form("Track cuts for matching: GetStandardITSTPCTrackCuts2010(kTURE)"));
2250 SetMinNClustersTPC(70);
2251 SetMaxChi2PerClusterTPC(4);
2252 SetAcceptKinkDaughters(kFALSE);
2253 SetRequireTPCRefit(kTRUE);
2256 SetRequireITSRefit(kTRUE);
2257 SetMaxDCAToVertexZ(2);
2258 SetMaxDCAToVertexXY();
2259 SetDCAToVertex2D(kFALSE);
2266 AliInfo(Form("Track cuts for matching: Loose cut w/o DCA cut"));
2267 SetMinNClustersTPC(50);
2268 SetAcceptKinkDaughters(kTRUE);
2276 //________________________________________________________________________
2277 void AliEMCALRecoUtils::SetClusterMatchedToTrack(const AliESDEvent *event)
2279 // Checks if tracks are matched to EMC clusters and set the matched EMCAL cluster index to ESD track.
2281 Int_t nTracks = event->GetNumberOfTracks();
2282 for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
2284 AliESDtrack* track = event->GetTrack(iTrack);
2287 AliWarning(Form("Could not receive track %d", iTrack));
2291 Int_t matchClusIndex = GetMatchedClusterIndex(iTrack);
2292 track->SetEMCALcluster(matchClusIndex); //sets -1 if track not matched within residual
2293 if(matchClusIndex != -1)
2294 track->SetStatus(AliESDtrack::kEMCALmatch);
2296 track->ResetStatus(AliESDtrack::kEMCALmatch);
2298 AliDebug(2,"Track matched to closest cluster");
2301 //_________________________________________________________________________
2302 void AliEMCALRecoUtils::SetTracksMatchedToCluster(const AliESDEvent *event)
2304 // Checks if EMC clusters are matched to ESD track.
2305 // Adds track indexes of all the tracks matched to a cluster withing residuals in ESDCalocluster.
2307 for (Int_t iClus=0; iClus < event->GetNumberOfCaloClusters(); ++iClus)
2309 AliESDCaloCluster *cluster = event->GetCaloCluster(iClus);
2310 if (!cluster->IsEMCAL())
2313 Int_t nTracks = event->GetNumberOfTracks();
2314 TArrayI arrayTrackMatched(nTracks);
2316 // Get the closest track matched to the cluster
2318 Int_t matchTrackIndex = GetMatchedTrackIndex(iClus);
2319 if (matchTrackIndex != -1)
2321 arrayTrackMatched[nMatched] = matchTrackIndex;
2325 // Get all other tracks matched to the cluster
2326 for(Int_t iTrk=0; iTrk<nTracks; ++iTrk)
2328 AliESDtrack* track = event->GetTrack(iTrk);
2329 if(iTrk == matchTrackIndex) continue;
2330 if(track->GetEMCALcluster() == iClus)
2332 arrayTrackMatched[nMatched] = iTrk;
2337 //printf("Tender::SetTracksMatchedToCluster - cluster E %f, N matches %d, first match %d\n",cluster->E(),nMatched,arrayTrackMatched[0]);
2339 arrayTrackMatched.Set(nMatched);
2340 cluster->AddTracksMatched(arrayTrackMatched);
2342 Float_t eta= -999, phi = -999;
2343 if (matchTrackIndex != -1)
2344 GetMatchedResiduals(iClus, eta, phi);
2345 cluster->SetTrackDistance(phi, eta);
2348 AliDebug(2,"Cluster matched to tracks");
2352 //___________________________________________________
2353 void AliEMCALRecoUtils::Print(const Option_t *) const
2357 printf("AliEMCALRecoUtils Settings: \n");
2358 printf("Misalignment shifts\n");
2359 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,
2360 fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2],
2361 fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] );
2362 printf("Non linearity function %d, parameters:\n", fNonLinearityFunction);
2363 for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]);
2365 printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration);
2367 printf("Matching criteria: ");
2370 printf("sqrt(dEta^2+dPhi^2)<%4.3f\n",fCutR);
2372 else if(fCutEtaPhiSeparate)
2374 printf("dEta<%4.3f, dPhi<%4.3f\n",fCutEta,fCutPhi);
2379 printf("please specify your cut criteria\n");
2380 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
2381 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2384 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);
2385 printf("Cluster selection window: dR < %2.0f\n",fClusterWindow);
2387 printf("Track cuts: \n");
2388 printf("Minimum track pT: %1.2f\n",fCutMinTrackPt);
2389 printf("AOD track selection mask: %d\n",fAODFilterMask);
2390 printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit);
2391 printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters);
2392 printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS);
2393 printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS);
2394 printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ);
2397 //_________________________________________________________________
2398 void AliEMCALRecoUtils::SetRunDependentCorrections(Int_t runnumber)
2400 //Get EMCAL time dependent corrections from file and put them in the recalibration histograms
2401 //Do it only once and only if it is requested
2403 if(!fUseRunCorrectionFactors) return;
2404 if(fRunCorrectionFactorsSet) return;
2406 AliInfo(Form("AliEMCALRecoUtils::GetRunDependentCorrections() - Get Correction Factors for Run number %d\n",runnumber));
2408 AliEMCALCalibTimeDepCorrection *corr = new AliEMCALCalibTimeDepCorrection();
2409 corr->ReadRootInfo(Form("CorrectionFiles/Run%d_Correction.root",runnumber));
2411 SwitchOnRecalibration();
2413 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
2415 for(Int_t ism = 0; ism < geom->GetNumberOfSuperModules(); ism++)
2417 for(Int_t icol = 0; icol < 48; icol++)
2419 for(Int_t irow = 0; irow < 24; irow++)
2421 Float_t orgRecalFactor = GetEMCALChannelRecalibrationFactors(ism)->GetBinContent(icol,irow);
2422 Float_t newRecalFactor = orgRecalFactor*corr->GetCorrection(ism, icol,irow,0);
2423 GetEMCALChannelRecalibrationFactors(ism)->SetBinContent(icol,irow,newRecalFactor);
2424 //printf("ism %d, icol %d, irow %d, corrections : org %f, time dep %f, final %f (org*time %f)\n",ism, icol, irow,
2425 // orgRecalFactor, corr->GetCorrection(ism, icol,irow,0),
2426 // (GetEMCALChannelRecalibrationFactors(ism))->GetBinContent(icol,irow),newRecalFactor);
2431 fRunCorrectionFactorsSet = kTRUE;