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 | Sun Dec 8 06:56:48 2013 +0100 | Constantin Loizides $ */
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 "AliEMCALPIDUtils.h"
61 ClassImp(AliEMCALRecoUtils)
63 //_____________________________________
64 AliEMCALRecoUtils::AliEMCALRecoUtils():
65 fParticleType(0), fPosAlgo(0), fW0(0),
66 fNonLinearityFunction(0), fNonLinearThreshold(0),
67 fSmearClusterEnergy(kFALSE), fRandom(),
68 fCellsRecalibrated(kFALSE), fRecalibration(kFALSE), fEMCALRecalibrationFactors(),
69 fTimeRecalibration(kFALSE), fEMCALTimeRecalibrationFactors(), fUseRunCorrectionFactors(kFALSE),
70 fRemoveBadChannels(kFALSE), fRecalDistToBadChannels(kFALSE), fEMCALBadChannelMap(),
71 fNCellsFromEMCALBorder(0), fNoEMCALBorderAtEta0(kTRUE),
72 fRejectExoticCluster(kFALSE), fRejectExoticCells(kFALSE),
73 fExoticCellFraction(0), fExoticCellDiffTime(0), fExoticCellMinAmplitude(0),
74 fPIDUtils(), fAODFilterMask(0),
75 fAODHybridTracks(0), fAODTPCOnlyTracks(0),
76 fMatchedTrackIndex(0x0), fMatchedClusterIndex(0x0),
77 fResidualEta(0x0), fResidualPhi(0x0), fCutEtaPhiSum(kFALSE), fCutEtaPhiSeparate(kFALSE),
78 fCutR(0), fCutEta(0), fCutPhi(0),
79 fClusterWindow(0), fMass(0),
80 fStepSurface(0), fStepCluster(0),
81 fITSTrackSA(kFALSE), fEMCalSurfaceDistance(440.),
82 fTrackCutsType(0), fCutMinTrackPt(0), fCutMinNClusterTPC(0),
83 fCutMinNClusterITS(0), fCutMaxChi2PerClusterTPC(0), fCutMaxChi2PerClusterITS(0),
84 fCutRequireTPCRefit(kFALSE), fCutRequireITSRefit(kFALSE), fCutAcceptKinkDaughters(kFALSE),
85 fCutMaxDCAToVertexXY(0), fCutMaxDCAToVertexZ(0), fCutDCAToVertex2D(kFALSE),
86 fCutRequireITSStandAlone(kFALSE), fCutRequireITSpureSA(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();
106 //______________________________________________________________________
107 AliEMCALRecoUtils::AliEMCALRecoUtils(const AliEMCALRecoUtils & reco)
109 fParticleType(reco.fParticleType), fPosAlgo(reco.fPosAlgo), fW0(reco.fW0),
110 fNonLinearityFunction(reco.fNonLinearityFunction), fNonLinearThreshold(reco.fNonLinearThreshold),
111 fSmearClusterEnergy(reco.fSmearClusterEnergy), fRandom(),
112 fCellsRecalibrated(reco.fCellsRecalibrated),
113 fRecalibration(reco.fRecalibration), fEMCALRecalibrationFactors(reco.fEMCALRecalibrationFactors),
114 fTimeRecalibration(reco.fTimeRecalibration), fEMCALTimeRecalibrationFactors(reco.fEMCALTimeRecalibrationFactors),
115 fUseRunCorrectionFactors(reco.fUseRunCorrectionFactors),
116 fRemoveBadChannels(reco.fRemoveBadChannels), fRecalDistToBadChannels(reco.fRecalDistToBadChannels),
117 fEMCALBadChannelMap(reco.fEMCALBadChannelMap),
118 fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder), fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0),
119 fRejectExoticCluster(reco.fRejectExoticCluster), fRejectExoticCells(reco.fRejectExoticCells),
120 fExoticCellFraction(reco.fExoticCellFraction), fExoticCellDiffTime(reco.fExoticCellDiffTime),
121 fExoticCellMinAmplitude(reco.fExoticCellMinAmplitude),
122 fPIDUtils(reco.fPIDUtils), fAODFilterMask(reco.fAODFilterMask),
123 fAODHybridTracks(reco.fAODHybridTracks), fAODTPCOnlyTracks(reco.fAODTPCOnlyTracks),
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 fITSTrackSA(reco.fITSTrackSA), fEMCalSurfaceDistance(440.),
133 fTrackCutsType(reco.fTrackCutsType), fCutMinTrackPt(reco.fCutMinTrackPt),
134 fCutMinNClusterTPC(reco.fCutMinNClusterTPC), fCutMinNClusterITS(reco.fCutMinNClusterITS),
135 fCutMaxChi2PerClusterTPC(reco.fCutMaxChi2PerClusterTPC), fCutMaxChi2PerClusterITS(reco.fCutMaxChi2PerClusterITS),
136 fCutRequireTPCRefit(reco.fCutRequireTPCRefit), fCutRequireITSRefit(reco.fCutRequireITSRefit),
137 fCutAcceptKinkDaughters(reco.fCutAcceptKinkDaughters), fCutMaxDCAToVertexXY(reco.fCutMaxDCAToVertexXY),
138 fCutMaxDCAToVertexZ(reco.fCutMaxDCAToVertexZ), fCutDCAToVertex2D(reco.fCutDCAToVertex2D),
139 fCutRequireITSStandAlone(reco.fCutRequireITSStandAlone), fCutRequireITSpureSA(reco.fCutRequireITSpureSA)
143 for (Int_t i = 0; i < 15 ; i++) { fMisalRotShift[i] = reco.fMisalRotShift[i] ;
144 fMisalTransShift[i] = reco.fMisalTransShift[i] ; }
145 for (Int_t i = 0; i < 7 ; i++) { fNonLinearityParams[i] = reco.fNonLinearityParams[i] ; }
146 for (Int_t i = 0; i < 3 ; i++) { fSmearClusterParam[i] = reco.fSmearClusterParam[i] ; }
151 //______________________________________________________________________
152 AliEMCALRecoUtils & AliEMCALRecoUtils::operator = (const AliEMCALRecoUtils & reco)
154 //Assignment operator
156 if (this == &reco)return *this;
157 ((TNamed *)this)->operator=(reco);
159 for (Int_t i = 0; i < 15 ; i++) { fMisalTransShift[i] = reco.fMisalTransShift[i] ;
160 fMisalRotShift[i] = reco.fMisalRotShift[i] ; }
161 for (Int_t i = 0; i < 7 ; i++) { fNonLinearityParams[i] = reco.fNonLinearityParams[i] ; }
162 for (Int_t i = 0; i < 3 ; i++) { fSmearClusterParam[i] = reco.fSmearClusterParam[i] ; }
164 fParticleType = reco.fParticleType;
165 fPosAlgo = reco.fPosAlgo;
168 fNonLinearityFunction = reco.fNonLinearityFunction;
169 fNonLinearThreshold = reco.fNonLinearThreshold;
170 fSmearClusterEnergy = reco.fSmearClusterEnergy;
172 fCellsRecalibrated = reco.fCellsRecalibrated;
173 fRecalibration = reco.fRecalibration;
174 fEMCALRecalibrationFactors = reco.fEMCALRecalibrationFactors;
176 fTimeRecalibration = reco.fTimeRecalibration;
177 fEMCALTimeRecalibrationFactors = reco.fEMCALTimeRecalibrationFactors;
179 fUseRunCorrectionFactors = reco.fUseRunCorrectionFactors;
181 fRemoveBadChannels = reco.fRemoveBadChannels;
182 fRecalDistToBadChannels = reco.fRecalDistToBadChannels;
183 fEMCALBadChannelMap = reco.fEMCALBadChannelMap;
185 fNCellsFromEMCALBorder = reco.fNCellsFromEMCALBorder;
186 fNoEMCALBorderAtEta0 = reco.fNoEMCALBorderAtEta0;
188 fRejectExoticCluster = reco.fRejectExoticCluster;
189 fRejectExoticCells = reco.fRejectExoticCells;
190 fExoticCellFraction = reco.fExoticCellFraction;
191 fExoticCellDiffTime = reco.fExoticCellDiffTime;
192 fExoticCellMinAmplitude = reco.fExoticCellMinAmplitude;
194 fPIDUtils = reco.fPIDUtils;
196 fAODFilterMask = reco.fAODFilterMask;
197 fAODHybridTracks = reco.fAODHybridTracks;
198 fAODTPCOnlyTracks = reco.fAODTPCOnlyTracks;
200 fCutEtaPhiSum = reco.fCutEtaPhiSum;
201 fCutEtaPhiSeparate = reco.fCutEtaPhiSeparate;
203 fCutEta = reco.fCutEta;
204 fCutPhi = reco.fCutPhi;
205 fClusterWindow = reco.fClusterWindow;
207 fStepSurface = reco.fStepSurface;
208 fStepCluster = reco.fStepCluster;
209 fITSTrackSA = reco.fITSTrackSA;
210 fEMCalSurfaceDistance = reco.fEMCalSurfaceDistance;
212 fTrackCutsType = reco.fTrackCutsType;
213 fCutMinTrackPt = reco.fCutMinTrackPt;
214 fCutMinNClusterTPC = reco.fCutMinNClusterTPC;
215 fCutMinNClusterITS = reco.fCutMinNClusterITS;
216 fCutMaxChi2PerClusterTPC = reco.fCutMaxChi2PerClusterTPC;
217 fCutMaxChi2PerClusterITS = reco.fCutMaxChi2PerClusterITS;
218 fCutRequireTPCRefit = reco.fCutRequireTPCRefit;
219 fCutRequireITSRefit = reco.fCutRequireITSRefit;
220 fCutAcceptKinkDaughters = reco.fCutAcceptKinkDaughters;
221 fCutMaxDCAToVertexXY = reco.fCutMaxDCAToVertexXY;
222 fCutMaxDCAToVertexZ = reco.fCutMaxDCAToVertexZ;
223 fCutDCAToVertex2D = reco.fCutDCAToVertex2D;
224 fCutRequireITSStandAlone = reco.fCutRequireITSStandAlone;
225 fCutRequireITSpureSA = reco.fCutRequireITSpureSA;
227 if (reco.fResidualEta) {
228 // assign or copy construct
230 *fResidualEta = *reco.fResidualEta;
232 fResidualEta = new TArrayF(*reco.fResidualEta);
235 if (fResidualEta) delete fResidualEta;
239 if (reco.fResidualPhi) {
240 // assign or copy construct
242 *fResidualPhi = *reco.fResidualPhi;
244 fResidualPhi = new TArrayF(*reco.fResidualPhi);
247 if (fResidualPhi) delete fResidualPhi;
251 if (reco.fMatchedTrackIndex) {
252 // assign or copy construct
253 if (fMatchedTrackIndex) {
254 *fMatchedTrackIndex = *reco.fMatchedTrackIndex;
256 fMatchedTrackIndex = new TArrayI(*reco.fMatchedTrackIndex);
259 if (fMatchedTrackIndex) delete fMatchedTrackIndex;
260 fMatchedTrackIndex = 0;
263 if (reco.fMatchedClusterIndex) {
264 // assign or copy construct
265 if (fMatchedClusterIndex) {
266 *fMatchedClusterIndex = *reco.fMatchedClusterIndex;
268 fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex);
271 if (fMatchedClusterIndex) delete fMatchedClusterIndex;
272 fMatchedClusterIndex = 0;
278 //_____________________________________
279 AliEMCALRecoUtils::~AliEMCALRecoUtils()
283 if (fEMCALRecalibrationFactors) {
284 fEMCALRecalibrationFactors->Clear();
285 delete fEMCALRecalibrationFactors;
288 if (fEMCALTimeRecalibrationFactors) {
289 fEMCALTimeRecalibrationFactors->Clear();
290 delete fEMCALTimeRecalibrationFactors;
293 if (fEMCALBadChannelMap) {
294 fEMCALBadChannelMap->Clear();
295 delete fEMCALBadChannelMap;
298 delete fMatchedTrackIndex ;
299 delete fMatchedClusterIndex ;
300 delete fResidualEta ;
301 delete fResidualPhi ;
307 //_______________________________________________________________________________
308 Bool_t AliEMCALRecoUtils::AcceptCalibrateCell(Int_t absID, Int_t bc,
309 Float_t & amp, Double_t & time,
310 AliVCaloCells* cells)
312 // Reject cell if criteria not passed and calibrate it
314 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
316 if (absID < 0 || absID >= 24*48*geom->GetNumberOfSuperModules())
319 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
321 if (!geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta)) {
322 // cell absID does not exist
327 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
329 // Do not include bad channels found in analysis,
330 if (IsBadChannelsRemovalSwitchedOn() && GetEMCALChannelStatus(imod, ieta, iphi)) {
335 amp = cells->GetCellAmplitude(absID);
336 if (!fCellsRecalibrated && IsRecalibrationOn())
337 amp *= GetEMCALChannelRecalibrationFactor(imod,ieta,iphi);
340 time = cells->GetCellTime(absID);
342 RecalibrateCellTime(absID,bc,time);
347 //_____________________________________________________________________________
348 Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(const AliEMCALGeometry* geom,
349 const AliVCluster* cluster,
350 AliVCaloCells* cells)
352 // Given the list of AbsId of the cluster, get the maximum cell and
353 // check if there are fNCellsFromBorder from the calorimeter border
357 AliInfo("Cluster pointer null!");
361 //If the distance to the border is 0 or negative just exit accept all clusters
362 if (cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 )
365 Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
366 Bool_t shared = kFALSE;
367 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared);
369 AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n",
370 absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0));
372 if (absIdMax==-1) return kFALSE;
374 //Check if the cell is close to the borders:
375 Bool_t okrow = kFALSE;
376 Bool_t okcol = kFALSE;
378 if (iSM < 0 || iphi < 0 || ieta < 0 ) {
379 AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n",
381 return kFALSE; // trick coverity
386 if( geom->GetSMType(iSM) == AliEMCALGeometry::kEMCAL_Half ) iPhiLast /= 2;
387 else if ( geom->GetSMType(iSM) == AliEMCALGeometry::kEMCAL_3rd ) iPhiLast /= 3;// 1/3 sm case
389 if(iphi >= fNCellsFromEMCALBorder && iphi < iPhiLast - fNCellsFromEMCALBorder) okrow = kTRUE;
393 if(!fNoEMCALBorderAtEta0 || geom->IsDCALSM(iSM)) {// conside inner border
394 if( geom->GetSMType(iSM) == AliEMCALGeometry::kDCAL_Standard ) iEtaLast = iEtaLast*2/3;
395 if(ieta > fNCellsFromEMCALBorder && ieta < iEtaLast-fNCellsFromEMCALBorder) okcol = kTRUE;
398 if (ieta >= fNCellsFromEMCALBorder) okcol = kTRUE;
400 if(ieta < iEtaLast-fNCellsFromEMCALBorder) okcol = kTRUE;
404 AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq",
405 fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow));
407 if (okcol && okrow) {
408 //printf("Accept\n");
411 //printf("Reject\n");
412 AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM));
417 //_______________________________________________________________________________
418 Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(const AliEMCALGeometry* geom,
419 const UShort_t* cellList,
422 // Check that in the cluster cells, there is no bad channel of those stored
423 // in fEMCALBadChannelMap or fPHOSBadChannelMap
425 if (!fRemoveBadChannels) return kFALSE;
426 if (!fEMCALBadChannelMap) return kFALSE;
431 for (Int_t iCell = 0; iCell<nCells; iCell++) {
432 //Get the column and row
433 Int_t iTower = -1, iIphi = -1, iIeta = -1;
434 geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta);
435 if (fEMCALBadChannelMap->GetEntries() <= imod) continue;
436 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
437 if (GetEMCALChannelStatus(imod, icol, irow)) {
438 AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow));
441 }// cell cluster loop
447 //___________________________________________________________________________
448 Float_t AliEMCALRecoUtils::GetECross(Int_t absID, Double_t tcell,
449 AliVCaloCells* cells, Int_t bc)
451 //Calculate the energy in the cross around the energy given cell
453 AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
455 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
456 geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta);
457 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
459 //Get close cells index, energy and time, not in corners
464 if ( iphi < AliEMCALGeoParams::fgkEMCALRows-1) absID1 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi+1, ieta);
465 if ( iphi > 0 ) absID2 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi-1, ieta);
467 // In case of cell in eta = 0 border, depending on SM shift the cross cell index
472 if ( ieta == AliEMCALGeoParams::fgkEMCALCols-1 && !(imod%2) ) {
473 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod+1, iphi, 0);
474 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
475 } else if ( ieta == 0 && imod%2 ) {
476 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
477 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod-1, iphi, AliEMCALGeoParams::fgkEMCALCols-1);
479 if ( ieta < AliEMCALGeoParams::fgkEMCALCols-1 )
480 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
482 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
485 //printf("IMOD %d, AbsId %d, a %d, b %d, c %d e %d \n",imod,absID,absID1,absID2,absID3,absID4);
487 Float_t ecell1 = 0, ecell2 = 0, ecell3 = 0, ecell4 = 0;
488 Double_t tcell1 = 0, tcell2 = 0, tcell3 = 0, tcell4 = 0;
490 AcceptCalibrateCell(absID1,bc, ecell1,tcell1,cells);
491 AcceptCalibrateCell(absID2,bc, ecell2,tcell2,cells);
492 AcceptCalibrateCell(absID3,bc, ecell3,tcell3,cells);
493 AcceptCalibrateCell(absID4,bc, ecell4,tcell4,cells);
495 if (TMath::Abs(tcell-tcell1)*1.e9 > fExoticCellDiffTime) ecell1 = 0 ;
496 if (TMath::Abs(tcell-tcell2)*1.e9 > fExoticCellDiffTime) ecell2 = 0 ;
497 if (TMath::Abs(tcell-tcell3)*1.e9 > fExoticCellDiffTime) ecell3 = 0 ;
498 if (TMath::Abs(tcell-tcell4)*1.e9 > fExoticCellDiffTime) ecell4 = 0 ;
500 return ecell1+ecell2+ecell3+ecell4;
503 //_____________________________________________________________________________________________
504 Bool_t AliEMCALRecoUtils::IsExoticCell(Int_t absID, AliVCaloCells* cells, Int_t bc)
506 // Look to cell neighbourhood and reject if it seems exotic
507 // Do before recalibrating the cells
509 if (!fRejectExoticCells) return kFALSE;
513 Bool_t accept = AcceptCalibrateCell(absID, bc, ecell ,tcell ,cells);
515 if (!accept) return kTRUE; // reject this cell
517 if (ecell < fExoticCellMinAmplitude) return kFALSE; // do not reject low energy cells
519 Float_t eCross = GetECross(absID,tcell,cells,bc);
521 if (1-eCross/ecell > fExoticCellFraction) {
522 AliDebug(2,Form("AliEMCALRecoUtils::IsExoticCell() - EXOTIC CELL id %d, eCell %f, eCross %f, 1-eCross/eCell %f\n",
523 absID,ecell,eCross,1-eCross/ecell));
530 //___________________________________________________________________
531 Bool_t AliEMCALRecoUtils::IsExoticCluster(const AliVCluster *cluster,
532 AliVCaloCells *cells,
535 // Check if the cluster highest energy tower is exotic
538 AliInfo("Cluster pointer null!");
542 if (!fRejectExoticCluster) return kFALSE;
544 // Get highest energy tower
545 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
546 Int_t iSupMod = -1, absId = -1, ieta = -1, iphi = -1;
547 Bool_t shared = kFALSE;
548 GetMaxEnergyCell(geom, cells, cluster, absId, iSupMod, ieta, iphi, shared);
550 return IsExoticCell(absId,cells,bc);
553 //_______________________________________________________________________
554 Float_t AliEMCALRecoUtils::SmearClusterEnergy(const AliVCluster* cluster)
556 //In case of MC analysis, smear energy to match resolution/calibration in real data
559 AliInfo("Cluster pointer null!");
563 Float_t energy = cluster->E() ;
564 Float_t rdmEnergy = energy ;
565 if (fSmearClusterEnergy) {
566 rdmEnergy = fRandom.Gaus(energy,fSmearClusterParam[0] * TMath::Sqrt(energy) +
567 fSmearClusterParam[1] * energy +
568 fSmearClusterParam[2] );
569 AliDebug(2, Form("Energy: original %f, smeared %f\n", energy, rdmEnergy));
575 //____________________________________________________________________________
576 Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster)
578 // Correct cluster energy from non linearity functions
581 AliInfo("Cluster pointer null!");
585 Float_t energy = cluster->E();
588 // Clusters with less than 50 MeV or negative are not possible
589 AliInfo(Form("Too Low Cluster energy!, E = %f < 0.05 GeV",energy));
593 switch (fNonLinearityFunction)
597 //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2)))))
598 //fNonLinearityParams[0] = 1.014;
599 //fNonLinearityParams[1] =-0.03329;
600 //fNonLinearityParams[2] =-0.3853;
601 //fNonLinearityParams[3] = 0.5423;
602 //fNonLinearityParams[4] =-0.4335;
603 energy *= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+
604 ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())*
605 exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3]))));
611 //Non-Linearity correction (from MC with function [0]/((x+[1])^[2]))+1;
612 //fNonLinearityParams[0] = 3.11111e-02;
613 //fNonLinearityParams[1] =-5.71666e-02;
614 //fNonLinearityParams[2] = 5.67995e-01;
616 energy *= fNonLinearityParams[0]/TMath::Power(energy+fNonLinearityParams[1],fNonLinearityParams[2])+1;
622 //Same as beam test corrected, change parameters
623 //fNonLinearityParams[0] = 9.81039e-01
624 //fNonLinearityParams[1] = 1.13508e-01;
625 //fNonLinearityParams[2] = 1.00173e+00;
626 //fNonLinearityParams[3] = 9.67998e-02;
627 //fNonLinearityParams[4] = 2.19381e+02;
628 //fNonLinearityParams[5] = 6.31604e+01;
629 //fNonLinearityParams[6] = 1;
630 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
638 //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E))
639 //fNonLinearityParams[0] = 1.04;
640 //fNonLinearityParams[1] = -0.1445;
641 //fNonLinearityParams[2] = 1.046;
642 energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function
646 case kPi0GammaConversion:
648 //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)])
649 //fNonLinearityParams[0] = 0.139393/0.1349766;
650 //fNonLinearityParams[1] = 0.0566186;
651 //fNonLinearityParams[2] = 0.982133;
652 energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy));
659 //From beam test, Alexei's results, for different ZS thresholds
660 // th=30 MeV; th = 45 MeV; th = 75 MeV
661 //fNonLinearityParams[0] = 1.007; 1.003; 1.002
662 //fNonLinearityParams[1] = 0.894; 0.719; 0.797
663 //fNonLinearityParams[2] = 0.246; 0.334; 0.358
664 //Rescale the param[0] with 1.03
665 energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]));
670 case kBeamTestCorrected:
672 //From beam test, corrected for material between beam and EMCAL
673 //fNonLinearityParams[0] = 0.99078
674 //fNonLinearityParams[1] = 0.161499;
675 //fNonLinearityParams[2] = 0.655166;
676 //fNonLinearityParams[3] = 0.134101;
677 //fNonLinearityParams[4] = 163.282;
678 //fNonLinearityParams[5] = 23.6904;
679 //fNonLinearityParams[6] = 0.978;
680 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
685 case kBeamTestCorrectedv2:
687 //From beam test, corrected for material between beam and EMCAL
688 //fNonLinearityParams[0] = 0.983504;
689 //fNonLinearityParams[1] = 0.210106;
690 //fNonLinearityParams[2] = 0.897274;
691 //fNonLinearityParams[3] = 0.0829064;
692 //fNonLinearityParams[4] = 152.299;
693 //fNonLinearityParams[5] = 31.5028;
694 //fNonLinearityParams[6] = 0.968;
695 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
702 //Based on fit to the MC/data using kNoCorrection on the data - utilizes symmetric decay method and kPi0MCv5(MC) - 28 Oct 2013
703 //fNonLinearityParams[0] = 1.0;
704 //fNonLinearityParams[1] = 6.64778e-02;
705 //fNonLinearityParams[2] = 1.570;
706 //fNonLinearityParams[3] = 9.67998e-02;
707 //fNonLinearityParams[4] = 2.19381e+02;
708 //fNonLinearityParams[5] = 6.31604e+01;
709 //fNonLinearityParams[6] = 1.01286;
710 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5])))) * (0.964 + exp(-3.132-0.435*energy*2.0));
717 //Based on comparing MC truth information to the reconstructed energy of clusters.
718 //fNonLinearityParams[0] = 1.0;
719 //fNonLinearityParams[1] = 6.64778e-02;
720 //fNonLinearityParams[2] = 1.570;
721 //fNonLinearityParams[3] = 9.67998e-02;
722 //fNonLinearityParams[4] = 2.19381e+02;
723 //fNonLinearityParams[5] = 6.31604e+01;
724 //fNonLinearityParams[6] = 1.01286;
725 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
731 AliDebug(2,"No correction on the energy\n");
739 //__________________________________________________
740 void AliEMCALRecoUtils::InitNonLinearityParam()
742 //Initialising Non Linearity Parameters
744 if (fNonLinearityFunction == kPi0MC) {
745 fNonLinearityParams[0] = 1.014;
746 fNonLinearityParams[1] = -0.03329;
747 fNonLinearityParams[2] = -0.3853;
748 fNonLinearityParams[3] = 0.5423;
749 fNonLinearityParams[4] = -0.4335;
752 if (fNonLinearityFunction == kPi0MCv2) {
753 fNonLinearityParams[0] = 3.11111e-02;
754 fNonLinearityParams[1] =-5.71666e-02;
755 fNonLinearityParams[2] = 5.67995e-01;
758 if (fNonLinearityFunction == kPi0MCv3) {
759 fNonLinearityParams[0] = 9.81039e-01;
760 fNonLinearityParams[1] = 1.13508e-01;
761 fNonLinearityParams[2] = 1.00173e+00;
762 fNonLinearityParams[3] = 9.67998e-02;
763 fNonLinearityParams[4] = 2.19381e+02;
764 fNonLinearityParams[5] = 6.31604e+01;
765 fNonLinearityParams[6] = 1;
768 if (fNonLinearityFunction == kPi0GammaGamma) {
769 fNonLinearityParams[0] = 1.04;
770 fNonLinearityParams[1] = -0.1445;
771 fNonLinearityParams[2] = 1.046;
774 if (fNonLinearityFunction == kPi0GammaConversion) {
775 fNonLinearityParams[0] = 0.139393;
776 fNonLinearityParams[1] = 0.0566186;
777 fNonLinearityParams[2] = 0.982133;
780 if (fNonLinearityFunction == kBeamTest) {
781 if (fNonLinearThreshold == 30) {
782 fNonLinearityParams[0] = 1.007;
783 fNonLinearityParams[1] = 0.894;
784 fNonLinearityParams[2] = 0.246;
786 if (fNonLinearThreshold == 45) {
787 fNonLinearityParams[0] = 1.003;
788 fNonLinearityParams[1] = 0.719;
789 fNonLinearityParams[2] = 0.334;
791 if (fNonLinearThreshold == 75) {
792 fNonLinearityParams[0] = 1.002;
793 fNonLinearityParams[1] = 0.797;
794 fNonLinearityParams[2] = 0.358;
798 if (fNonLinearityFunction == kBeamTestCorrected) {
799 fNonLinearityParams[0] = 0.99078;
800 fNonLinearityParams[1] = 0.161499;
801 fNonLinearityParams[2] = 0.655166;
802 fNonLinearityParams[3] = 0.134101;
803 fNonLinearityParams[4] = 163.282;
804 fNonLinearityParams[5] = 23.6904;
805 fNonLinearityParams[6] = 0.978;
808 if (fNonLinearityFunction == kBeamTestCorrectedv2) {
809 fNonLinearityParams[0] = 0.983504;
810 fNonLinearityParams[1] = 0.210106;
811 fNonLinearityParams[2] = 0.897274;
812 fNonLinearityParams[3] = 0.0829064;
813 fNonLinearityParams[4] = 152.299;
814 fNonLinearityParams[5] = 31.5028;
815 fNonLinearityParams[6] = 0.968;
818 if (fNonLinearityFunction == kSDMv5) {
819 fNonLinearityParams[0] = 1.0;
820 fNonLinearityParams[1] = 6.64778e-02;
821 fNonLinearityParams[2] = 1.570;
822 fNonLinearityParams[3] = 9.67998e-02;
823 fNonLinearityParams[4] = 2.19381e+02;
824 fNonLinearityParams[5] = 6.31604e+01;
825 fNonLinearityParams[6] = 1.01286;
828 if (fNonLinearityFunction == kPi0MCv5) {
829 fNonLinearityParams[0] = 1.0;
830 fNonLinearityParams[1] = 6.64778e-02;
831 fNonLinearityParams[2] = 1.570;
832 fNonLinearityParams[3] = 9.67998e-02;
833 fNonLinearityParams[4] = 2.19381e+02;
834 fNonLinearityParams[5] = 6.31604e+01;
835 fNonLinearityParams[6] = 1.01286;
840 //_________________________________________________________
841 Float_t AliEMCALRecoUtils::GetDepth(Float_t energy,
845 //Calculate shower depth for a given cluster energy and particle type
851 Float_t arg = energy*1000/ ecr; //Multiply energy by 1000 to transform to MeV
859 depth = x0 * (TMath::Log(arg) + 0.5);
866 depth = x0 * (TMath::Log(arg) - 0.5);
873 gGeoManager->cd("ALIC_1/XEN1_1");
874 TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode();
875 TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM));
877 TGeoVolume *geoSMVol = geoSM->GetVolume();
878 TGeoShape *geoSMShape = geoSMVol->GetShape();
879 TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape);
880 if (geoBox) depth = 0.5 * geoBox->GetDX()*2 ;
881 else AliFatal("Null GEANT box");
883 else AliFatal("NULL GEANT node matrix");
890 depth = x0 * (TMath::Log(arg) - 0.5);
899 depth = x0 * (TMath::Log(arg) + 0.5);
905 //____________________________________________________________________
906 void AliEMCALRecoUtils::GetMaxEnergyCell(const AliEMCALGeometry *geom,
907 AliVCaloCells* cells,
908 const AliVCluster* clu,
915 //For a given CaloCluster gets the absId of the cell
916 //with maximum energy deposit.
919 Double_t eCell = -1.;
920 Float_t fraction = 1.;
921 Float_t recalFactor = 1.;
922 Int_t cellAbsId = -1 ;
930 AliInfo("Cluster pointer null!");
931 absId=-1; iSupMod0=-1, ieta = -1; iphi = -1; shared = -1;
935 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
936 cellAbsId = clu->GetCellAbsId(iDig);
937 fraction = clu->GetCellAmplitudeFraction(iDig);
938 //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction);
939 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
940 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
941 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
944 } else if (iSupMod0!=iSupMod) {
946 //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n");
948 if (!fCellsRecalibrated && IsRecalibrationOn()) {
949 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
951 eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor;
952 //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction);
956 //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell);
960 //Get from the absid the supermodule, tower and eta/phi numbers
961 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
962 //Gives SuperModule and Tower numbers
963 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
964 iIphi, iIeta,iphi,ieta);
965 //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi);
966 //printf("Max end---\n");
969 //______________________________________
970 void AliEMCALRecoUtils::InitParameters()
972 // Initialize data members with default values
974 fParticleType = kPhoton;
975 fPosAlgo = kUnchanged;
978 fNonLinearityFunction = kNoCorrection;
979 fNonLinearThreshold = 30;
981 fExoticCellFraction = 0.97;
982 fExoticCellDiffTime = 1e6;
983 fExoticCellMinAmplitude = 4.0;
985 fAODFilterMask = 128;
986 fAODHybridTracks = kFALSE;
987 fAODTPCOnlyTracks = kTRUE;
989 fCutEtaPhiSum = kTRUE;
990 fCutEtaPhiSeparate = kFALSE;
996 fClusterWindow = 100;
1001 fTrackCutsType = kLooseCut;
1004 fCutMinNClusterTPC = -1;
1005 fCutMinNClusterITS = -1;
1007 fCutMaxChi2PerClusterTPC = 1e10;
1008 fCutMaxChi2PerClusterITS = 1e10;
1010 fCutRequireTPCRefit = kFALSE;
1011 fCutRequireITSRefit = kFALSE;
1012 fCutAcceptKinkDaughters = kFALSE;
1014 fCutMaxDCAToVertexXY = 1e10;
1015 fCutMaxDCAToVertexZ = 1e10;
1016 fCutDCAToVertex2D = kFALSE;
1018 fCutRequireITSStandAlone = kFALSE; //MARCEL
1019 fCutRequireITSpureSA = kFALSE; //Marcel
1021 //Misalignment matrices
1022 for (Int_t i = 0; i < 15 ; i++)
1024 fMisalTransShift[i] = 0.;
1025 fMisalRotShift[i] = 0.;
1029 for (Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = 0.;
1031 //For kBeamTestCorrectedv2 case, but default is no correction
1032 fNonLinearityParams[0] = 0.983504;
1033 fNonLinearityParams[1] = 0.210106;
1034 fNonLinearityParams[2] = 0.897274;
1035 fNonLinearityParams[3] = 0.0829064;
1036 fNonLinearityParams[4] = 152.299;
1037 fNonLinearityParams[5] = 31.5028;
1038 fNonLinearityParams[6] = 0.968;
1040 //Cluster energy smearing
1041 fSmearClusterEnergy = kFALSE;
1042 fSmearClusterParam[0] = 0.07; // * sqrt E term
1043 fSmearClusterParam[1] = 0.00; // * E term
1044 fSmearClusterParam[2] = 0.00; // constant
1047 //_____________________________________________________
1048 void AliEMCALRecoUtils::InitEMCALRecalibrationFactors()
1050 //Init EMCAL recalibration factors
1051 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
1052 //In order to avoid rewriting the same histograms
1053 Bool_t oldStatus = TH1::AddDirectoryStatus();
1054 TH1::AddDirectory(kFALSE);
1056 fEMCALRecalibrationFactors = new TObjArray(12);
1057 for (int i = 0; i < 12; i++)
1058 fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),
1059 Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24));
1060 //Init the histograms with 1
1061 for (Int_t sm = 0; sm < 12; sm++)
1063 for (Int_t i = 0; i < 48; i++)
1065 for (Int_t j = 0; j < 24; j++)
1067 SetEMCALChannelRecalibrationFactor(sm,i,j,1.);
1072 fEMCALRecalibrationFactors->SetOwner(kTRUE);
1073 fEMCALRecalibrationFactors->Compress();
1075 //In order to avoid rewriting the same histograms
1076 TH1::AddDirectory(oldStatus);
1079 //_________________________________________________________
1080 void AliEMCALRecoUtils::InitEMCALTimeRecalibrationFactors()
1082 //Init EMCAL recalibration factors
1083 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
1084 //In order to avoid rewriting the same histograms
1085 Bool_t oldStatus = TH1::AddDirectoryStatus();
1086 TH1::AddDirectory(kFALSE);
1088 fEMCALTimeRecalibrationFactors = new TObjArray(4);
1089 for (int i = 0; i < 4; i++)
1090 fEMCALTimeRecalibrationFactors->Add(new TH1F(Form("hAllTimeAvBC%d",i),
1091 Form("hAllTimeAvBC%d",i),
1092 48*24*12,0.,48*24*12) );
1093 //Init the histograms with 1
1094 for (Int_t bc = 0; bc < 4; bc++)
1096 for (Int_t i = 0; i < 48*24*12; i++)
1097 SetEMCALChannelTimeRecalibrationFactor(bc,i,0.);
1100 fEMCALTimeRecalibrationFactors->SetOwner(kTRUE);
1101 fEMCALTimeRecalibrationFactors->Compress();
1103 //In order to avoid rewriting the same histograms
1104 TH1::AddDirectory(oldStatus);
1107 //____________________________________________________
1108 void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()
1110 //Init EMCAL bad channels map
1111 AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()");
1112 //In order to avoid rewriting the same histograms
1113 Bool_t oldStatus = TH1::AddDirectoryStatus();
1114 TH1::AddDirectory(kFALSE);
1116 fEMCALBadChannelMap = new TObjArray(12);
1117 //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24);
1118 for (int i = 0; i < 12; i++)
1120 fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24));
1123 fEMCALBadChannelMap->SetOwner(kTRUE);
1124 fEMCALBadChannelMap->Compress();
1126 //In order to avoid rewriting the same histograms
1127 TH1::AddDirectory(oldStatus);
1130 //____________________________________________________________________________
1131 void AliEMCALRecoUtils::RecalibrateClusterEnergy(const AliEMCALGeometry* geom,
1132 AliVCluster * cluster,
1133 AliVCaloCells * cells,
1136 // Recalibrate the cluster energy and Time, considering the recalibration map
1137 // and the energy of the cells and time that compose the cluster.
1138 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1141 AliInfo("Cluster pointer null!");
1145 //Get the cluster number of cells and list of absId, check what kind of cluster do we have.
1146 UShort_t * index = cluster->GetCellsAbsId() ;
1147 Double_t * fraction = cluster->GetCellsAmplitudeFraction() ;
1148 Int_t ncells = cluster->GetNCells();
1150 //Initialize some used variables
1153 Int_t icol =-1, irow =-1, imod=1;
1154 Float_t factor = 1, frac = 0;
1155 Int_t absIdMax = -1;
1158 //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy
1159 for (Int_t icell = 0; icell < ncells; icell++)
1161 absId = index[icell];
1162 frac = fraction[icell];
1163 if (frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
1165 if (!fCellsRecalibrated && IsRecalibrationOn()) {
1167 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1168 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
1169 if (fEMCALRecalibrationFactors->GetEntries() <= imod)
1171 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
1172 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
1174 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
1175 imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId)));
1179 energy += cells->GetCellAmplitude(absId)*factor*frac;
1181 if (emax < cells->GetCellAmplitude(absId)*factor*frac) {
1182 emax = cells->GetCellAmplitude(absId)*factor*frac;
1187 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f \n",cluster->E(),energy));
1189 cluster->SetE(energy);
1191 // Recalculate time of cluster
1192 Double_t timeorg = cluster->GetTOF();
1194 Double_t time = cells->GetCellTime(absIdMax);
1195 if (!fCellsRecalibrated && IsTimeRecalibrationOn())
1196 RecalibrateCellTime(absIdMax,bc,time);
1198 cluster->SetTOF(time);
1200 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Time before %f, after %f \n",timeorg,cluster->GetTOF()));
1203 //_____________________________________________________________
1204 void AliEMCALRecoUtils::RecalibrateCells(AliVCaloCells * cells,
1207 // Recalibrate the cells time and energy, considering the recalibration map and the energy
1208 // of the cells that compose the cluster.
1209 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1211 if (!IsRecalibrationOn() && !IsTimeRecalibrationOn() && !IsBadChannelsRemovalSwitchedOn())
1215 AliInfo("Cells pointer null!");
1220 Bool_t accept = kFALSE;
1223 Double_t ecellin = 0;
1224 Double_t tcellin = 0;
1228 Int_t nEMcell = cells->GetNumberOfCells() ;
1229 for (Int_t iCell = 0; iCell < nEMcell; iCell++)
1231 cells->GetCell( iCell, absId, ecellin, tcellin, mclabel, efrac );
1233 accept = AcceptCalibrateCell(absId, bc, ecell ,tcell ,cells);
1240 cells->SetCell(iCell,absId,ecell, tcell, mclabel, efrac);
1243 fCellsRecalibrated = kTRUE;
1246 //_______________________________________________________________________________________________________
1247 void AliEMCALRecoUtils::RecalibrateCellTime(Int_t absId, Int_t bc, Double_t & celltime) const
1249 // Recalibrate time of cell with absID considering the recalibration map
1250 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1252 if (!fCellsRecalibrated && IsTimeRecalibrationOn() && bc >= 0) {
1253 celltime -= GetEMCALChannelTimeRecalibrationFactor(bc%4,absId)*1.e-9; ;
1257 //______________________________________________________________________________
1258 void AliEMCALRecoUtils::RecalculateClusterPosition(const AliEMCALGeometry *geom,
1259 AliVCaloCells* cells,
1262 //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1265 AliInfo("Cluster pointer null!");
1269 if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu);
1270 else if (fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu);
1271 else AliDebug(2,"Algorithm to recalculate position not selected, do nothing.");
1274 //_____________________________________________________________________________________________
1275 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(const AliEMCALGeometry *geom,
1276 AliVCaloCells* cells,
1279 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1280 // The algorithm is a copy of what is done in AliEMCALRecPoint
1282 Double_t eCell = 0.;
1283 Float_t fraction = 1.;
1284 Float_t recalFactor = 1.;
1287 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1288 Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1;
1289 Float_t weight = 0., totalWeight=0.;
1290 Float_t newPos[3] = {0,0,0};
1291 Double_t pLocal[3], pGlobal[3];
1292 Bool_t shared = kFALSE;
1294 Float_t clEnergy = clu->E(); //Energy already recalibrated previously
1297 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1298 Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ;
1300 //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth);
1302 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
1304 absId = clu->GetCellAbsId(iDig);
1305 fraction = clu->GetCellAmplitudeFraction(iDig);
1306 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1308 if (!fCellsRecalibrated) {
1309 geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta);
1310 geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta);
1311 if (IsRecalibrationOn()) {
1312 recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi);
1316 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1318 weight = GetCellWeight(eCell,clEnergy);
1319 totalWeight += weight;
1321 geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]);
1322 //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId);
1323 geom->GetGlobal(pLocal,pGlobal,iSupModMax);
1324 //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]);
1326 for (int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]);
1329 if (totalWeight>0) {
1330 for (int i=0; i<3; i++ ) newPos[i] /= totalWeight;
1333 //Float_t pos[]={0,0,0};
1334 //clu->GetPosition(pos);
1335 //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]);
1336 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1338 if (iSupModMax > 1) { //sector 1
1339 newPos[0] +=fMisalTransShift[3];//-=3.093;
1340 newPos[1] +=fMisalTransShift[4];//+=6.82;
1341 newPos[2] +=fMisalTransShift[5];//+=1.635;
1342 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]);
1344 newPos[0] +=fMisalTransShift[0];//+=1.134;
1345 newPos[1] +=fMisalTransShift[1];//+=8.2;
1346 newPos[2] +=fMisalTransShift[2];//+=1.197;
1347 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]);
1349 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1351 clu->SetPosition(newPos);
1354 //____________________________________________________________________________________________
1355 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(const AliEMCALGeometry *geom,
1356 AliVCaloCells* cells,
1359 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1360 // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position
1362 Double_t eCell = 1.;
1363 Float_t fraction = 1.;
1364 Float_t recalFactor = 1.;
1368 Int_t iIphi = -1, iIeta = -1;
1369 Int_t iSupMod = -1, iSupModMax = -1;
1370 Int_t iphi = -1, ieta =-1;
1371 Bool_t shared = kFALSE;
1373 Float_t clEnergy = clu->E(); //Energy already recalibrated previously.
1377 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1378 Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ;
1380 Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.;
1381 Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now
1382 Int_t startingSM = -1;
1384 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
1386 absId = clu->GetCellAbsId(iDig);
1387 fraction = clu->GetCellAmplitudeFraction(iDig);
1388 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1390 if (iDig==0) startingSM = iSupMod;
1391 else if (iSupMod != startingSM) areInSameSM = kFALSE;
1393 eCell = cells->GetCellAmplitude(absId);
1395 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
1396 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
1398 if (!fCellsRecalibrated)
1400 if (IsRecalibrationOn()) {
1401 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1405 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1407 weight = GetCellWeight(eCell,clEnergy);
1408 if (weight < 0) weight = 0;
1409 totalWeight += weight;
1410 weightedCol += ieta*weight;
1411 weightedRow += iphi*weight;
1413 //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ;
1416 Float_t xyzNew[]={0.,0.,0.};
1417 if (areInSameSM == kTRUE) {
1418 //printf("In Same SM\n");
1419 weightedCol = weightedCol/totalWeight;
1420 weightedRow = weightedRow/totalWeight;
1421 geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1425 //printf("In Different SM\n");
1426 geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1429 clu->SetPosition(xyzNew);
1432 //___________________________________________________________________________________________
1433 void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(const AliEMCALGeometry * geom,
1434 AliVCaloCells* cells,
1435 AliVCluster * cluster)
1437 //re-evaluate distance to bad channel with updated bad map
1439 if (!fRecalDistToBadChannels) return;
1443 AliInfo("Cluster pointer null!");
1447 //Get channels map of the supermodule where the cluster is.
1448 Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1;
1449 Bool_t shared = kFALSE;
1450 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared);
1451 TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod);
1454 Float_t minDist = 10000.;
1457 //Loop on tower status map
1458 for (Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++)
1460 for (Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++)
1462 //Check if tower is bad.
1463 if (hMap->GetBinContent(icol,irow)==0) continue;
1464 //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n",
1465 // iSupMod,icol, irow, icolM,irowM);
1467 dRrow=TMath::Abs(irowM-irow);
1468 dRcol=TMath::Abs(icolM-icol);
1469 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1472 //printf("MIN DISTANCE TO BAD %2.2f\n",dist);
1478 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
1482 Int_t iSupMod2 = -1;
1484 //The only possible combinations are (0,1), (2,3) ... (8,9)
1485 if (iSupMod%2) iSupMod2 = iSupMod-1;
1486 else iSupMod2 = iSupMod+1;
1487 hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2);
1489 //Loop on tower status map of second super module
1490 for (Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++)
1492 for (Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++)
1494 //Check if tower is bad.
1495 if (hMap2->GetBinContent(icol,irow)==0)
1497 //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",
1498 // iSupMod2,icol, irow,iSupMod,icolM,irowM);
1499 dRrow=TMath::Abs(irow-irowM);
1502 dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM));
1504 dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM);
1507 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1508 if (dist < minDist) minDist = dist;
1511 }// shared cluster in 2 SuperModules
1513 AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist));
1514 cluster->SetDistanceToBadChannel(minDist);
1517 //__________________________________________________________________
1518 void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster)
1520 //re-evaluate identification parameters with bayesian
1523 AliInfo("Cluster pointer null!");
1527 if (cluster->GetM02() != 0)
1528 fPIDUtils->ComputePID(cluster->E(),cluster->GetM02());
1530 Float_t pidlist[AliPID::kSPECIESCN+1];
1531 for (Int_t i = 0; i < AliPID::kSPECIESCN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i);
1533 cluster->SetPID(pidlist);
1536 //___________________________________________________________________________________________________________________
1537 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(const AliEMCALGeometry * geom,
1538 AliVCaloCells* cells,
1539 AliVCluster * cluster,
1540 Float_t & l0, Float_t & l1,
1541 Float_t & disp, Float_t & dEta, Float_t & dPhi,
1542 Float_t & sEta, Float_t & sPhi, Float_t & sEtaPhi)
1544 // Calculates new center of gravity in the local EMCAL-module coordinates
1545 // and tranfers into global ALICE coordinates
1546 // Calculates Dispersion and main axis
1549 AliInfo("Cluster pointer null!");
1553 Double_t eCell = 0.;
1554 Float_t fraction = 1.;
1555 Float_t recalFactor = 1.;
1563 Double_t etai = -1.;
1564 Double_t phii = -1.;
1569 Double_t etaMean = 0.;
1570 Double_t phiMean = 0.;
1572 //Loop on cells, calculate the cluster energy, in case a cut on cell energy is added
1573 // and to check if the cluster is between 2 SM in eta
1575 Bool_t shared = kFALSE;
1578 for (Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1580 //Get from the absid the supermodule, tower and eta/phi numbers
1581 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1582 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1584 //Check if there are cells of different SM
1585 if (iDigit == 0 ) iSM0 = iSupMod;
1586 else if (iSupMod!= iSM0) shared = kTRUE;
1588 //Get the cell energy, if recalibration is on, apply factors
1589 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1590 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1592 if (IsRecalibrationOn()) {
1593 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1596 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1603 for (Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1605 //Get from the absid the supermodule, tower and eta/phi numbers
1606 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1607 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1609 //Get the cell energy, if recalibration is on, apply factors
1610 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1611 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1613 if (!fCellsRecalibrated) {
1614 if (IsRecalibrationOn()) {
1615 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1619 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1621 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1622 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1623 if (shared && iSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1625 if (cluster->E() > 0 && eCell > 0) {
1626 w = GetCellWeight(eCell,cluster->E());
1628 etai=(Double_t)ieta;
1629 phii=(Double_t)iphi;
1635 sEta += w * etai * etai ;
1636 etaMean += w * etai ;
1637 sPhi += w * phii * phii ;
1638 phiMean += w * phii ;
1639 sEtaPhi += w * etai * phii ;
1642 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1645 //Normalize to the weight
1650 AliError(Form("Wrong weight %f\n", wtot));
1652 //Calculate dispersion
1653 for (Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1655 //Get from the absid the supermodule, tower and eta/phi numbers
1656 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1657 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1659 //Get the cell energy, if recalibration is on, apply factors
1660 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1661 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1662 if (IsRecalibrationOn()) {
1663 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1665 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1667 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1668 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1669 if (shared && iSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1671 if (cluster->E() > 0 && eCell > 0) {
1672 w = GetCellWeight(eCell,cluster->E());
1674 etai=(Double_t)ieta;
1675 phii=(Double_t)iphi;
1677 disp += w *((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
1678 dEta += w * (etai-etaMean)*(etai-etaMean) ;
1679 dPhi += w * (phii-phiMean)*(phii-phiMean) ;
1682 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1685 //Normalize to the weigth and set shower shape parameters
1686 if (wtot > 0 && nstat > 1) {
1694 sEta -= etaMean * etaMean ;
1695 sPhi -= phiMean * phiMean ;
1696 sEtaPhi -= etaMean * phiMean ;
1698 l0 = (0.5 * (sEta + sPhi) + TMath::Sqrt( 0.25 * (sEta - sPhi) * (sEta - sPhi) + sEtaPhi * sEtaPhi ));
1699 l1 = (0.5 * (sEta + sPhi) - TMath::Sqrt( 0.25 * (sEta - sPhi) * (sEta - sPhi) + sEtaPhi * sEtaPhi ));
1703 dEta = 0. ; dPhi = 0. ; disp = 0. ;
1704 sEta = 0. ; sPhi = 0. ; sEtaPhi = 0. ;
1708 //____________________________________________________________________________________________
1709 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(const AliEMCALGeometry * geom,
1710 AliVCaloCells* cells,
1711 AliVCluster * cluster)
1713 // Calculates new center of gravity in the local EMCAL-module coordinates
1714 // and tranfers into global ALICE coordinates
1715 // Calculates Dispersion and main axis and puts them into the cluster
1717 Float_t l0 = 0., l1 = 0.;
1718 Float_t disp = 0., dEta = 0., dPhi = 0.;
1719 Float_t sEta = 0., sPhi = 0., sEtaPhi = 0.;
1721 AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(geom,cells,cluster,l0,l1,disp,
1722 dEta, dPhi, sEta, sPhi, sEtaPhi);
1724 cluster->SetM02(l0);
1725 cluster->SetM20(l1);
1726 if (disp > 0. ) cluster->SetDispersion(TMath::Sqrt(disp)) ;
1730 //____________________________________________________________________________
1731 void AliEMCALRecoUtils::FindMatches(AliVEvent *event,
1732 TObjArray * clusterArr,
1733 const AliEMCALGeometry *geom)
1735 //This function should be called before the cluster loop
1736 //Before call this function, please recalculate the cluster positions
1737 //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR
1738 //Store matched cluster indexes and residuals
1740 fMatchedTrackIndex ->Reset();
1741 fMatchedClusterIndex->Reset();
1742 fResidualPhi->Reset();
1743 fResidualEta->Reset();
1745 fMatchedTrackIndex ->Set(1000);
1746 fMatchedClusterIndex->Set(1000);
1747 fResidualPhi->Set(1000);
1748 fResidualEta->Set(1000);
1750 AliESDEvent* esdevent = dynamic_cast<AliESDEvent*> (event);
1751 AliAODEvent* aodevent = dynamic_cast<AliAODEvent*> (event);
1753 // init the magnetic field if not already on
1754 if (!TGeoGlobalMagField::Instance()->GetField()) {
1755 if (!event->InitMagneticField())
1757 AliInfo("Mag Field not initialized, null esd/aod evetn pointers");
1762 UInt_t mask1 = esdevent->GetESDRun()->GetDetectorsInDAQ();
1763 UInt_t mask2 = esdevent->GetESDRun()->GetDetectorsInReco();
1764 Bool_t desc1 = (mask1 >> 3) & 0x1;
1765 Bool_t desc2 = (mask2 >> 3) & 0x1;
1766 if (desc1==0 || desc2==0) {
1767 // AliError(Form("TPC not in DAQ/RECO: %u (%u)/%u (%u)",
1768 // mask1, esdevent->GetESDRun()->GetDetectorsInReco(),
1769 // mask2, esdevent->GetESDRun()->GetDetectorsInDAQ()));
1774 TObjArray *clusterArray = 0x0;
1776 clusterArray = new TObjArray(event->GetNumberOfCaloClusters());
1777 for (Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1779 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1780 if (geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells()))
1782 clusterArray->AddAt(cluster,icl);
1788 for (Int_t i=0; i<21;i++) cv[i]=0;
1789 for (Int_t itr=0; itr<event->GetNumberOfTracks(); itr++)
1791 AliExternalTrackParam *trackParam = 0;
1793 //If the input event is ESD, the starting point for extrapolation is TPCOut, if available, or TPCInner
1794 AliESDtrack *esdTrack = 0;
1795 AliAODTrack *aodTrack = 0;
1797 esdTrack = esdevent->GetTrack(itr);
1798 if (!esdTrack) continue;
1799 if (!IsAccepted(esdTrack)) continue;
1800 if (esdTrack->Pt()<fCutMinTrackPt) continue;
1801 Double_t phi = esdTrack->Phi()*TMath::RadToDeg();
1802 if (TMath::Abs(esdTrack->Eta())>0.9 || phi <= 10 || phi >= 250 ) continue;
1804 trackParam = const_cast<AliExternalTrackParam*>(esdTrack->GetInnerParam()); // if TPC Available
1806 trackParam = new AliExternalTrackParam(*esdTrack); // If ITS Track Standing alone
1809 //If the input event is AOD, the starting point for extrapolation is at vertex
1810 //AOD tracks are selected according to its filterbit.
1811 else if (aodevent) {
1812 aodTrack = dynamic_cast<AliAODTrack*>(aodevent->GetTrack(itr));
1813 if(!aodTrack) AliFatal("Not a standard AOD");
1814 if (!aodTrack) continue;
1816 if (fAODTPCOnlyTracks) { // Match with TPC only tracks, default from May 2013, before filter bit 32
1817 //printf("Match with TPC only tracks, accept? %d, test bit 128 <%d> \n", aodTrack->IsTPCOnly(), aodTrack->TestFilterMask(128));
1818 if (!aodTrack->IsTPCConstrained()) continue ;
1819 } else if (fAODHybridTracks) { // Match with hybrid tracks
1820 //printf("Match with Hybrid tracks, accept? %d \n", aodTrack->IsHybridGlobalConstrainedGlobal());
1821 if (!aodTrack->IsHybridGlobalConstrainedGlobal()) continue ;
1822 } else { // Match with tracks on a mask
1823 //printf("Match with tracks having filter bit mask %d, accept? %d \n",fAODFilterMask,aodTrack->TestFilterMask(fAODFilterMask));
1824 if (!aodTrack->TestFilterMask(fAODFilterMask) ) continue; //Select AOD tracks
1827 if (aodTrack->Pt()<fCutMinTrackPt) continue;
1829 Double_t phi = aodTrack->Phi()*TMath::RadToDeg();
1830 if (TMath::Abs(aodTrack->Eta())>0.9 || phi <= 10 || phi >= 250 )
1832 Double_t pos[3],mom[3];
1833 aodTrack->GetXYZ(pos);
1834 aodTrack->GetPxPyPz(mom);
1835 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()));
1837 trackParam= new AliExternalTrackParam(pos,mom,cv,aodTrack->Charge());
1840 //Return if the input data is not "AOD" or "ESD"
1842 printf("Wrong input data type! Should be \"AOD\" or \"ESD\"\n");
1844 clusterArray->Clear();
1845 delete clusterArray;
1850 if (!trackParam) continue;
1852 //Extrapolate the track to EMCal surface
1853 AliExternalTrackParam emcalParam(*trackParam);
1854 Float_t eta, phi, pt;
1855 if (!ExtrapolateTrackToEMCalSurface(&emcalParam, fEMCalSurfaceDistance, fMass, fStepSurface, eta, phi, pt)) {
1856 if (aodevent && trackParam) delete trackParam;
1857 if (fITSTrackSA && trackParam) delete trackParam;
1861 if (TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) {
1862 if (aodevent && trackParam) delete trackParam;
1863 if (fITSTrackSA && trackParam) delete trackParam;
1867 //Find matched clusters
1869 Float_t dEta = -999, dPhi = -999;
1871 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArray, dEta, dPhi);
1873 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1877 fMatchedTrackIndex ->AddAt(itr,matched);
1878 fMatchedClusterIndex ->AddAt(index,matched);
1879 fResidualEta ->AddAt(dEta,matched);
1880 fResidualPhi ->AddAt(dPhi,matched);
1883 if (aodevent && trackParam) delete trackParam;
1884 if (fITSTrackSA && trackParam) delete trackParam;
1888 clusterArray->Clear();
1889 delete clusterArray;
1892 AliDebug(2,Form("Number of matched pairs = %d !\n",matched));
1894 fMatchedTrackIndex ->Set(matched);
1895 fMatchedClusterIndex ->Set(matched);
1896 fResidualPhi ->Set(matched);
1897 fResidualEta ->Set(matched);
1900 //________________________________________________________________________________
1901 Int_t AliEMCALRecoUtils::FindMatchedClusterInEvent(const AliESDtrack *track,
1902 const AliVEvent *event,
1903 const AliEMCALGeometry *geom,
1904 Float_t &dEta, Float_t &dPhi)
1907 // This function returns the index of matched cluster to input track
1908 // Returns -1 if no match is found
1910 Double_t phiV = track->Phi()*TMath::RadToDeg();
1911 if (TMath::Abs(track->Eta())>0.9 || phiV <= 10 || phiV >= 250 ) return index;
1912 AliExternalTrackParam *trackParam = 0;
1914 trackParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam()); // If TPC
1916 trackParam = new AliExternalTrackParam(*track);
1918 if (!trackParam) return index;
1919 AliExternalTrackParam emcalParam(*trackParam);
1920 Float_t eta, phi, pt;
1922 if (!ExtrapolateTrackToEMCalSurface(&emcalParam, fEMCalSurfaceDistance, fMass, fStepSurface, eta, phi, pt)) {
1923 if (fITSTrackSA) delete trackParam;
1926 if (TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) {
1927 if (fITSTrackSA) delete trackParam;
1931 TObjArray *clusterArr = new TObjArray(event->GetNumberOfCaloClusters());
1933 for (Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1935 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1936 if (geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1937 clusterArr->AddAt(cluster,icl);
1940 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1941 clusterArr->Clear();
1943 if (fITSTrackSA) delete trackParam;
1948 //_______________________________________________________________________________________________
1949 Int_t AliEMCALRecoUtils::FindMatchedClusterInClusterArr(const AliExternalTrackParam *emcalParam,
1950 AliExternalTrackParam *trkParam,
1951 const TObjArray * clusterArr,
1952 Float_t &dEta, Float_t &dPhi)
1954 // Find matched cluster in array
1956 dEta=-999, dPhi=-999;
1957 Float_t dRMax = fCutR, dEtaMax=fCutEta, dPhiMax=fCutPhi;
1959 Float_t tmpEta=-999, tmpPhi=-999;
1961 Double_t exPos[3] = {0.,0.,0.};
1962 if (!emcalParam->GetXYZ(exPos)) return index;
1964 Float_t clsPos[3] = {0.,0.,0.};
1965 for (Int_t icl=0; icl<clusterArr->GetEntriesFast(); icl++)
1967 AliVCluster *cluster = dynamic_cast<AliVCluster*> (clusterArr->At(icl)) ;
1968 if (!cluster || !cluster->IsEMCAL()) continue;
1969 cluster->GetPosition(clsPos);
1970 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));
1971 if (dR > fClusterWindow) continue;
1973 AliExternalTrackParam trkPamTmp (*trkParam);//Retrieve the starting point every time before the extrapolation
1974 if (!ExtrapolateTrackToCluster(&trkPamTmp, cluster, fMass, fStepCluster, tmpEta, tmpPhi)) continue;
1975 if (fCutEtaPhiSum) {
1976 Float_t tmpR=TMath::Sqrt(tmpEta*tmpEta + tmpPhi*tmpPhi);
1983 } else if (fCutEtaPhiSeparate) {
1984 if (TMath::Abs(tmpEta)<TMath::Abs(dEtaMax) && TMath::Abs(tmpPhi)<TMath::Abs(dPhiMax)) {
1990 printf("Error: please specify your cut criteria\n");
1991 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
1992 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2003 //------------------------------------------------------------------------------------
2004 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliVTrack *track,
2005 Double_t emcalR, Double_t mass,
2006 Double_t step, Double_t minpt,
2007 Bool_t useMassForTracking)
2009 // Extrapolate track to EMCAL surface
2011 track->SetTrackPhiEtaPtOnEMCal(-999, -999, -999);
2013 if (track->Pt()<minpt)
2016 Double_t phi = track->Phi()*TMath::RadToDeg();
2017 if (TMath::Abs(track->Eta())>0.9 || phi <= 10 || phi >= 250)
2020 AliESDtrack *esdt = dynamic_cast<AliESDtrack*>(track);
2021 AliAODTrack *aodt = 0;
2023 aodt = dynamic_cast<AliAODTrack*>(track);
2028 // Select the mass hypothesis
2031 Bool_t onlyTPC = kFALSE;
2032 if ( mass == -99 ) onlyTPC=kTRUE;
2036 if ( useMassForTracking ) mass = esdt->GetMassForTracking();
2037 else mass = esdt->GetMass(onlyTPC);
2041 if ( useMassForTracking ) mass = aodt->GetMassForTracking();
2042 else mass = aodt->M();
2046 AliExternalTrackParam *trackParam = 0;
2048 const AliExternalTrackParam *in = esdt->GetInnerParam();
2051 trackParam = new AliExternalTrackParam(*in);
2053 Double_t xyz[3] = {0}, pxpypz[3] = {0}, cv[21] = {0};
2054 aodt->PxPyPz(pxpypz);
2056 aodt->GetCovarianceXYZPxPyPz(cv);
2057 trackParam = new AliExternalTrackParam(xyz,pxpypz,cv,aodt->Charge());
2062 Float_t etaout=-999, phiout=-999, ptout=-999;
2063 Bool_t ret = ExtrapolateTrackToEMCalSurface(trackParam,
2073 if (TMath::Abs(etaout)>0.75 || (phiout<70*TMath::DegToRad()) || (phiout>190*TMath::DegToRad()))
2075 track->SetTrackPhiEtaPtOnEMCal(phiout, etaout, ptout);
2080 //------------------------------------------------------------------------------------
2081 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliExternalTrackParam *trkParam,
2089 //Extrapolate track to EMCAL surface
2091 eta = -999, phi = -999, pt = -999;
2092 if (!trkParam) return kFALSE;
2093 if (!AliTrackerBase::PropagateTrackToBxByBz(trkParam, emcalR, mass, step, kTRUE, 0.8, -1)) return kFALSE;
2094 Double_t trkPos[3] = {0.,0.,0.};
2095 if (!trkParam->GetXYZ(trkPos)) return kFALSE;
2096 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
2097 eta = trkPosVec.Eta();
2098 phi = trkPosVec.Phi();
2099 pt = trkParam->Pt();
2101 phi += 2*TMath::Pi();
2106 //-----------------------------------------------------------------------------------
2107 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToPosition(AliExternalTrackParam *trkParam,
2108 const Float_t *clsPos,
2115 //Return the residual by extrapolating a track param to a global position
2119 if (!trkParam) return kFALSE;
2120 Double_t trkPos[3] = {0.,0.,0.};
2121 TVector3 vec(clsPos[0],clsPos[1],clsPos[2]);
2122 Double_t alpha = ((int)(vec.Phi()*TMath::RadToDeg()/20)+0.5)*20*TMath::DegToRad();
2123 vec.RotateZ(-alpha); //Rotate the cluster to the local extrapolation coordinate system
2124 if (!AliTrackerBase::PropagateTrackToBxByBz(trkParam, vec.X(), mass, step,kTRUE, 0.8, -1)) return kFALSE;
2125 if (!trkParam->GetXYZ(trkPos)) return kFALSE; //Get the extrapolated global position
2127 TVector3 clsPosVec(clsPos[0],clsPos[1],clsPos[2]);
2128 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
2130 // track cluster matching
2131 tmpPhi = clsPosVec.DeltaPhi(trkPosVec); // tmpPhi is between -pi and pi
2132 tmpEta = clsPosVec.Eta()-trkPosVec.Eta();
2137 //----------------------------------------------------------------------------------
2138 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
2139 const AliVCluster *cluster,
2146 //Return the residual by extrapolating a track param to a cluster
2150 if (!cluster || !trkParam)
2153 Float_t clsPos[3] = {0.,0.,0.};
2154 cluster->GetPosition(clsPos);
2156 return ExtrapolateTrackToPosition(trkParam, clsPos, mass, step, tmpEta, tmpPhi);
2159 //---------------------------------------------------------------------------------
2160 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
2161 const AliVCluster *cluster,
2166 //Return the residual by extrapolating a track param to a clusterfStepCluster
2169 return ExtrapolateTrackToCluster(trkParam, cluster, fMass, fStepCluster, tmpEta, tmpPhi);
2172 //_______________________________________________________________________
2173 void AliEMCALRecoUtils::GetMatchedResiduals(Int_t clsIndex,
2174 Float_t &dEta, Float_t &dPhi)
2176 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2177 //Get the residuals dEta and dPhi for this cluster to the closest track
2178 //Works with ESDs and AODs
2180 if (FindMatchedPosForCluster(clsIndex) >= 999) {
2181 AliDebug(2,"No matched tracks found!\n");
2186 dEta = fResidualEta->At(FindMatchedPosForCluster(clsIndex));
2187 dPhi = fResidualPhi->At(FindMatchedPosForCluster(clsIndex));
2190 //______________________________________________________________________________________________
2191 void AliEMCALRecoUtils::GetMatchedClusterResiduals(Int_t trkIndex, Float_t &dEta, Float_t &dPhi)
2193 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2194 //Get the residuals dEta and dPhi for this track to the closest cluster
2195 //Works with ESDs and AODs
2197 if (FindMatchedPosForTrack(trkIndex) >= 999) {
2198 AliDebug(2,"No matched cluster found!\n");
2203 dEta = fResidualEta->At(FindMatchedPosForTrack(trkIndex));
2204 dPhi = fResidualPhi->At(FindMatchedPosForTrack(trkIndex));
2207 //__________________________________________________________
2208 Int_t AliEMCALRecoUtils::GetMatchedTrackIndex(Int_t clsIndex)
2210 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2211 //Get the index of matched track to this cluster
2212 //Works with ESDs and AODs
2214 if (IsClusterMatched(clsIndex))
2215 return fMatchedTrackIndex->At(FindMatchedPosForCluster(clsIndex));
2220 //__________________________________________________________
2221 Int_t AliEMCALRecoUtils::GetMatchedClusterIndex(Int_t trkIndex)
2223 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2224 //Get the index of matched cluster to this track
2225 //Works with ESDs and AODs
2227 if (IsTrackMatched(trkIndex))
2228 return fMatchedClusterIndex->At(FindMatchedPosForTrack(trkIndex));
2233 //______________________________________________________________
2234 Bool_t AliEMCALRecoUtils::IsClusterMatched(Int_t clsIndex) const
2236 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2237 //Returns if the cluster has a match
2238 if (FindMatchedPosForCluster(clsIndex) < 999)
2244 //____________________________________________________________
2245 Bool_t AliEMCALRecoUtils::IsTrackMatched(Int_t trkIndex) const
2247 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2248 //Returns if the track has a match
2249 if (FindMatchedPosForTrack(trkIndex) < 999)
2255 //______________________________________________________________________
2256 UInt_t AliEMCALRecoUtils::FindMatchedPosForCluster(Int_t clsIndex) const
2258 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2259 //Returns the position of the match in the fMatchedClusterIndex array
2260 Float_t tmpR = fCutR;
2263 for (Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++)
2265 if (fMatchedClusterIndex->At(i)==clsIndex) {
2266 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
2270 AliDebug(3,Form("Matched cluster index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",
2271 fMatchedClusterIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
2278 //____________________________________________________________________
2279 UInt_t AliEMCALRecoUtils::FindMatchedPosForTrack(Int_t trkIndex) const
2281 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2282 //Returns the position of the match in the fMatchedTrackIndex array
2283 Float_t tmpR = fCutR;
2286 for (Int_t i=0; i<fMatchedTrackIndex->GetSize(); i++)
2288 if (fMatchedTrackIndex->At(i)==trkIndex) {
2289 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
2293 AliDebug(3,Form("Matched track index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",
2294 fMatchedTrackIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
2301 //__________________________________________________________________________
2302 Bool_t AliEMCALRecoUtils::IsGoodCluster(AliVCluster *cluster,
2303 const AliEMCALGeometry *geom,
2304 AliVCaloCells* cells, Int_t bc)
2306 // check if the cluster survives some quality cut
2309 Bool_t isGood=kTRUE;
2311 if (!cluster || !cluster->IsEMCAL()) return kFALSE;
2312 if (ClusterContainsBadChannel(geom,cluster->GetCellsAbsId(),cluster->GetNCells())) return kFALSE;
2313 if (!CheckCellFiducialRegion(geom,cluster,cells)) return kFALSE;
2314 if (IsExoticCluster(cluster, cells,bc)) return kFALSE;
2319 //__________________________________________________________
2320 Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack)
2322 // Given a esd track, return whether the track survive all the cuts
2324 // The different quality parameter are first
2325 // retrieved from the track. then it is found out what cuts the
2326 // track did not survive and finally the cuts are imposed.
2328 UInt_t status = esdTrack->GetStatus();
2330 Int_t nClustersITS = esdTrack->GetITSclusters(0);
2331 Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
2333 Float_t chi2PerClusterITS = -1;
2334 Float_t chi2PerClusterTPC = -1;
2335 if (nClustersITS!=0)
2336 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
2337 if (nClustersTPC!=0)
2338 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
2342 if (fTrackCutsType==kGlobalCut) {
2343 Float_t maxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
2344 //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep));
2345 SetMaxDCAToVertexXY(maxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane
2350 esdTrack->GetImpactParameters(b,bCov);
2351 if (bCov[0]<=0 || bCov[2]<=0) {
2352 AliDebug(1, "Estimated b resolution lower or equal zero!");
2353 bCov[0]=0; bCov[2]=0;
2356 Float_t dcaToVertexXY = b[0];
2357 Float_t dcaToVertexZ = b[1];
2358 Float_t dcaToVertex = -1;
2360 if (fCutDCAToVertex2D)
2361 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
2363 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
2367 Bool_t cuts[kNCuts];
2368 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
2370 // track quality cuts
2371 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
2373 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
2375 if (nClustersTPC<fCutMinNClusterTPC)
2377 if (nClustersITS<fCutMinNClusterITS)
2379 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
2381 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
2383 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
2385 if (fCutDCAToVertex2D && dcaToVertex > 1)
2387 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
2389 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
2392 if (fTrackCutsType==kGlobalCut) {
2393 //Require at least one SPD point + anything else in ITS
2394 if ( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE)
2399 if (fCutRequireITSStandAlone || fCutRequireITSpureSA) {
2400 if ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)) {
2404 // ITS standalone tracks
2405 if (fCutRequireITSStandAlone && !fCutRequireITSpureSA) {
2406 if (status & AliESDtrack::kITSpureSA) cuts[11] = kTRUE;
2407 } else if (fCutRequireITSpureSA) {
2408 if (!(status & AliESDtrack::kITSpureSA)) cuts[11] = kTRUE;
2414 for (Int_t i=0; i<kNCuts; i++)
2415 if (cuts[i]) { cut = kTRUE ; }
2424 //_____________________________________
2425 void AliEMCALRecoUtils::InitTrackCuts()
2427 //Intilize the track cut criteria
2428 //By default these cuts are set according to AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
2429 //Also you can customize the cuts using the setters
2431 switch (fTrackCutsType)
2435 AliInfo(Form("Track cuts for matching: GetStandardTPCOnlyTrackCuts()"));
2437 SetMinNClustersTPC(70);
2438 SetMaxChi2PerClusterTPC(4);
2439 SetAcceptKinkDaughters(kFALSE);
2440 SetRequireTPCRefit(kFALSE);
2443 SetRequireITSRefit(kFALSE);
2444 SetMaxDCAToVertexZ(3.2);
2445 SetMaxDCAToVertexXY(2.4);
2446 SetDCAToVertex2D(kTRUE);
2453 AliInfo(Form("Track cuts for matching: GetStandardITSTPCTrackCuts2010(kTURE)"));
2455 SetMinNClustersTPC(70);
2456 SetMaxChi2PerClusterTPC(4);
2457 SetAcceptKinkDaughters(kFALSE);
2458 SetRequireTPCRefit(kTRUE);
2461 SetRequireITSRefit(kTRUE);
2462 SetMaxDCAToVertexZ(2);
2463 SetMaxDCAToVertexXY();
2464 SetDCAToVertex2D(kFALSE);
2471 AliInfo(Form("Track cuts for matching: Loose cut w/o DCA cut"));
2472 SetMinNClustersTPC(50);
2473 SetAcceptKinkDaughters(kTRUE);
2478 case kITSStandAlone:
2480 AliInfo(Form("Track cuts for matching: ITS Stand Alone tracks cut w/o DCA cut"));
2481 SetRequireITSRefit(kTRUE);
2482 SetRequireITSStandAlone(kTRUE);
2483 SetITSTrackSA(kTRUE);
2491 //________________________________________________________________________
2492 void AliEMCALRecoUtils::SetClusterMatchedToTrack(const AliVEvent *event)
2494 // Checks if tracks are matched to EMC clusters and set the matched EMCAL cluster index to ESD track.
2496 Int_t nTracks = event->GetNumberOfTracks();
2497 for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
2499 AliVTrack* track = dynamic_cast<AliVTrack*>(event->GetTrack(iTrack));
2502 AliWarning(Form("Could not receive track %d", iTrack));
2506 Int_t matchClusIndex = GetMatchedClusterIndex(iTrack);
2507 track->SetEMCALcluster(matchClusIndex); //sets -1 if track not matched within residual
2508 /*the following can be done better if AliVTrack::SetStatus will be there. Patch pending with Andreas/Peter*/
2509 AliESDtrack* esdtrack = dynamic_cast<AliESDtrack*>(track);
2511 if (matchClusIndex != -1)
2512 esdtrack->SetStatus(AliESDtrack::kEMCALmatch);
2514 esdtrack->ResetStatus(AliESDtrack::kEMCALmatch);
2516 AliAODTrack* aodtrack = dynamic_cast<AliAODTrack*>(track);
2517 if (matchClusIndex != -1)
2518 aodtrack->SetStatus(AliESDtrack::kEMCALmatch);
2520 aodtrack->ResetStatus(AliESDtrack::kEMCALmatch);
2523 AliDebug(2,"Track matched to closest cluster");
2526 //_________________________________________________________________________
2527 void AliEMCALRecoUtils::SetTracksMatchedToCluster(const AliVEvent *event)
2529 // Checks if EMC clusters are matched to ESD track.
2530 // Adds track indexes of all the tracks matched to a cluster withing residuals in ESDCalocluster.
2532 for (Int_t iClus=0; iClus < event->GetNumberOfCaloClusters(); ++iClus)
2534 AliVCluster *cluster = event->GetCaloCluster(iClus);
2535 if (!cluster->IsEMCAL())
2538 Int_t nTracks = event->GetNumberOfTracks();
2539 TArrayI arrayTrackMatched(nTracks);
2541 // Get the closest track matched to the cluster
2543 Int_t matchTrackIndex = GetMatchedTrackIndex(iClus);
2544 if (matchTrackIndex != -1)
2546 arrayTrackMatched[nMatched] = matchTrackIndex;
2550 // Get all other tracks matched to the cluster
2551 for (Int_t iTrk=0; iTrk<nTracks; ++iTrk)
2553 AliVTrack* track = dynamic_cast<AliVTrack*>(event->GetTrack(iTrk));
2555 if( !track ) continue;
2557 if ( iTrk == matchTrackIndex ) continue;
2559 if ( track->GetEMCALcluster() == iClus )
2561 arrayTrackMatched[nMatched] = iTrk;
2566 //printf("Tender::SetTracksMatchedToCluster - cluster E %f, N matches %d, first match %d\n",cluster->E(),nMatched,arrayTrackMatched[0]);
2568 arrayTrackMatched.Set(nMatched);
2569 AliESDCaloCluster *esdcluster = dynamic_cast<AliESDCaloCluster*>(cluster);
2571 esdcluster->AddTracksMatched(arrayTrackMatched);
2572 else if (nMatched>0) {
2573 AliAODCaloCluster *aodcluster = dynamic_cast<AliAODCaloCluster*>(cluster);
2575 aodcluster->AddTrackMatched(event->GetTrack(arrayTrackMatched.At(0)));
2578 Float_t eta= -999, phi = -999;
2579 if (matchTrackIndex != -1)
2580 GetMatchedResiduals(iClus, eta, phi);
2581 cluster->SetTrackDistance(phi, eta);
2584 AliDebug(2,"Cluster matched to tracks");
2587 //___________________________________________________
2588 void AliEMCALRecoUtils::Print(const Option_t *) const
2592 printf("AliEMCALRecoUtils Settings: \n");
2593 printf("Misalignment shifts\n");
2594 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,
2595 fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2],
2596 fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] );
2597 printf("Non linearity function %d, parameters:\n", fNonLinearityFunction);
2598 for (Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]);
2600 printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration);
2602 printf("Matching criteria: ");
2603 if (fCutEtaPhiSum) {
2604 printf("sqrt(dEta^2+dPhi^2)<%4.3f\n",fCutR);
2605 } else if (fCutEtaPhiSeparate) {
2606 printf("dEta<%4.3f, dPhi<%4.3f\n",fCutEta,fCutPhi);
2609 printf("please specify your cut criteria\n");
2610 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
2611 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2614 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);
2615 printf("Cluster selection window: dR < %2.0f\n",fClusterWindow);
2617 printf("Track cuts: \n");
2618 printf("Minimum track pT: %1.2f\n",fCutMinTrackPt);
2619 printf("AOD track selection: tpc only %d, or hybrid %d, or mask: %d\n",fAODTPCOnlyTracks,fAODHybridTracks, fAODFilterMask);
2620 printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit);
2621 printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters);
2622 printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS);
2623 printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS);
2624 printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ);