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;
226 if (reco.fResidualEta) {
227 // assign or copy construct
229 *fResidualEta = *reco.fResidualEta;
231 fResidualEta = new TArrayF(*reco.fResidualEta);
234 if (fResidualEta) delete fResidualEta;
238 if (reco.fResidualPhi) {
239 // assign or copy construct
241 *fResidualPhi = *reco.fResidualPhi;
243 fResidualPhi = new TArrayF(*reco.fResidualPhi);
246 if (fResidualPhi) delete fResidualPhi;
250 if (reco.fMatchedTrackIndex) {
251 // assign or copy construct
252 if (fMatchedTrackIndex) {
253 *fMatchedTrackIndex = *reco.fMatchedTrackIndex;
255 fMatchedTrackIndex = new TArrayI(*reco.fMatchedTrackIndex);
258 if (fMatchedTrackIndex) delete fMatchedTrackIndex;
259 fMatchedTrackIndex = 0;
262 if (reco.fMatchedClusterIndex) {
263 // assign or copy construct
264 if (fMatchedClusterIndex) {
265 *fMatchedClusterIndex = *reco.fMatchedClusterIndex;
267 fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex);
270 if (fMatchedClusterIndex) delete fMatchedClusterIndex;
271 fMatchedClusterIndex = 0;
277 //_____________________________________
278 AliEMCALRecoUtils::~AliEMCALRecoUtils()
282 if (fEMCALRecalibrationFactors) {
283 fEMCALRecalibrationFactors->Clear();
284 delete fEMCALRecalibrationFactors;
287 if (fEMCALTimeRecalibrationFactors) {
288 fEMCALTimeRecalibrationFactors->Clear();
289 delete fEMCALTimeRecalibrationFactors;
292 if (fEMCALBadChannelMap) {
293 fEMCALBadChannelMap->Clear();
294 delete fEMCALBadChannelMap;
297 delete fMatchedTrackIndex ;
298 delete fMatchedClusterIndex ;
299 delete fResidualEta ;
300 delete fResidualPhi ;
306 //_______________________________________________________________________________
307 Bool_t AliEMCALRecoUtils::AcceptCalibrateCell(Int_t absID, Int_t bc,
308 Float_t & amp, Double_t & time,
309 AliVCaloCells* cells)
311 // Reject cell if criteria not passed and calibrate it
313 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
315 if (absID < 0 || absID >= 24*48*geom->GetNumberOfSuperModules())
318 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
320 if (!geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta)) {
321 // cell absID does not exist
326 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
328 // Do not include bad channels found in analysis,
329 if (IsBadChannelsRemovalSwitchedOn() && GetEMCALChannelStatus(imod, ieta, iphi)) {
334 amp = cells->GetCellAmplitude(absID);
335 if (!fCellsRecalibrated && IsRecalibrationOn())
336 amp *= GetEMCALChannelRecalibrationFactor(imod,ieta,iphi);
339 time = cells->GetCellTime(absID);
341 RecalibrateCellTime(absID,bc,time);
346 //_____________________________________________________________________________
347 Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(const AliEMCALGeometry* geom,
348 const AliVCluster* cluster,
349 AliVCaloCells* cells)
351 // Given the list of AbsId of the cluster, get the maximum cell and
352 // check if there are fNCellsFromBorder from the calorimeter border
356 AliInfo("Cluster pointer null!");
360 //If the distance to the border is 0 or negative just exit accept all clusters
361 if (cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 )
364 Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1;
365 Bool_t shared = kFALSE;
366 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared);
368 AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n",
369 absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0));
371 if (absIdMax==-1) return kFALSE;
373 //Check if the cell is close to the borders:
374 Bool_t okrow = kFALSE;
375 Bool_t okcol = kFALSE;
377 if (iSM < 0 || iphi < 0 || ieta < 0 ) {
378 AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n",
380 return kFALSE; // trick coverity
385 if( geom->GetSMType(iSM) == AliEMCALGeometry::kEMCAL_Half ) iPhiLast /= 2;
386 else if ( geom->GetSMType(iSM) == AliEMCALGeometry::kEMCAL_3rd ) iPhiLast /= 3;// 1/3 sm case
388 if(iphi >= fNCellsFromEMCALBorder && iphi < iPhiLast - fNCellsFromEMCALBorder) okrow = kTRUE;
392 if(!fNoEMCALBorderAtEta0 || geom->IsDCALSM(iSM)) {// conside inner border
393 if( geom->GetSMType(iSM) == AliEMCALGeometry::kDCAL_Standard ) iEtaLast = iEtaLast*2/3;
394 if(ieta > fNCellsFromEMCALBorder && ieta < iEtaLast-fNCellsFromEMCALBorder) okcol = kTRUE;
397 if (ieta >= fNCellsFromEMCALBorder) okcol = kTRUE;
399 if(ieta < iEtaLast-fNCellsFromEMCALBorder) okcol = kTRUE;
403 AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq",
404 fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow));
406 if (okcol && okrow) {
407 //printf("Accept\n");
410 //printf("Reject\n");
411 AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM));
416 //_______________________________________________________________________________
417 Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(const AliEMCALGeometry* geom,
418 const UShort_t* cellList,
421 // Check that in the cluster cells, there is no bad channel of those stored
422 // in fEMCALBadChannelMap or fPHOSBadChannelMap
424 if (!fRemoveBadChannels) return kFALSE;
425 if (!fEMCALBadChannelMap) return kFALSE;
430 for (Int_t iCell = 0; iCell<nCells; iCell++) {
431 //Get the column and row
432 Int_t iTower = -1, iIphi = -1, iIeta = -1;
433 geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta);
434 if (fEMCALBadChannelMap->GetEntries() <= imod) continue;
435 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
436 if (GetEMCALChannelStatus(imod, icol, irow)) {
437 AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow));
440 }// cell cluster loop
446 //___________________________________________________________________________
447 Float_t AliEMCALRecoUtils::GetECross(Int_t absID, Double_t tcell,
448 AliVCaloCells* cells, Int_t bc)
450 //Calculate the energy in the cross around the energy given cell
452 AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
454 Int_t imod = -1, iphi =-1, ieta=-1,iTower = -1, iIphi = -1, iIeta = -1;
455 geom->GetCellIndex(absID,imod,iTower,iIphi,iIeta);
456 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,iphi,ieta);
458 //Get close cells index, energy and time, not in corners
463 if ( iphi < AliEMCALGeoParams::fgkEMCALRows-1) absID1 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi+1, ieta);
464 if ( iphi > 0 ) absID2 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi-1, ieta);
466 // In case of cell in eta = 0 border, depending on SM shift the cross cell index
471 if ( ieta == AliEMCALGeoParams::fgkEMCALCols-1 && !(imod%2) ) {
472 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod+1, iphi, 0);
473 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
474 } else if ( ieta == 0 && imod%2 ) {
475 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
476 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod-1, iphi, AliEMCALGeoParams::fgkEMCALCols-1);
478 if ( ieta < AliEMCALGeoParams::fgkEMCALCols-1 )
479 absID3 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta+1);
481 absID4 = geom-> GetAbsCellIdFromCellIndexes(imod, iphi, ieta-1);
484 //printf("IMOD %d, AbsId %d, a %d, b %d, c %d e %d \n",imod,absID,absID1,absID2,absID3,absID4);
486 Float_t ecell1 = 0, ecell2 = 0, ecell3 = 0, ecell4 = 0;
487 Double_t tcell1 = 0, tcell2 = 0, tcell3 = 0, tcell4 = 0;
489 AcceptCalibrateCell(absID1,bc, ecell1,tcell1,cells);
490 AcceptCalibrateCell(absID2,bc, ecell2,tcell2,cells);
491 AcceptCalibrateCell(absID3,bc, ecell3,tcell3,cells);
492 AcceptCalibrateCell(absID4,bc, ecell4,tcell4,cells);
494 if (TMath::Abs(tcell-tcell1)*1.e9 > fExoticCellDiffTime) ecell1 = 0 ;
495 if (TMath::Abs(tcell-tcell2)*1.e9 > fExoticCellDiffTime) ecell2 = 0 ;
496 if (TMath::Abs(tcell-tcell3)*1.e9 > fExoticCellDiffTime) ecell3 = 0 ;
497 if (TMath::Abs(tcell-tcell4)*1.e9 > fExoticCellDiffTime) ecell4 = 0 ;
499 return ecell1+ecell2+ecell3+ecell4;
502 //_____________________________________________________________________________________________
503 Bool_t AliEMCALRecoUtils::IsExoticCell(Int_t absID, AliVCaloCells* cells, Int_t bc)
505 // Look to cell neighbourhood and reject if it seems exotic
506 // Do before recalibrating the cells
508 if (!fRejectExoticCells) return kFALSE;
512 Bool_t accept = AcceptCalibrateCell(absID, bc, ecell ,tcell ,cells);
514 if (!accept) return kTRUE; // reject this cell
516 if (ecell < fExoticCellMinAmplitude) return kFALSE; // do not reject low energy cells
518 Float_t eCross = GetECross(absID,tcell,cells,bc);
520 if (1-eCross/ecell > fExoticCellFraction) {
521 AliDebug(2,Form("AliEMCALRecoUtils::IsExoticCell() - EXOTIC CELL id %d, eCell %f, eCross %f, 1-eCross/eCell %f\n",
522 absID,ecell,eCross,1-eCross/ecell));
529 //___________________________________________________________________
530 Bool_t AliEMCALRecoUtils::IsExoticCluster(const AliVCluster *cluster,
531 AliVCaloCells *cells,
534 // Check if the cluster highest energy tower is exotic
537 AliInfo("Cluster pointer null!");
541 if (!fRejectExoticCluster) return kFALSE;
543 // Get highest energy tower
544 AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance();
545 Int_t iSupMod = -1, absId = -1, ieta = -1, iphi = -1;
546 Bool_t shared = kFALSE;
547 GetMaxEnergyCell(geom, cells, cluster, absId, iSupMod, ieta, iphi, shared);
549 return IsExoticCell(absId,cells,bc);
552 //_______________________________________________________________________
553 Float_t AliEMCALRecoUtils::SmearClusterEnergy(const AliVCluster* cluster)
555 //In case of MC analysis, smear energy to match resolution/calibration in real data
558 AliInfo("Cluster pointer null!");
562 Float_t energy = cluster->E() ;
563 Float_t rdmEnergy = energy ;
564 if (fSmearClusterEnergy) {
565 rdmEnergy = fRandom.Gaus(energy,fSmearClusterParam[0] * TMath::Sqrt(energy) +
566 fSmearClusterParam[1] * energy +
567 fSmearClusterParam[2] );
568 AliDebug(2, Form("Energy: original %f, smeared %f\n", energy, rdmEnergy));
574 //____________________________________________________________________________
575 Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster)
577 // Correct cluster energy from non linearity functions
580 AliInfo("Cluster pointer null!");
584 Float_t energy = cluster->E();
587 // Clusters with less than 50 MeV or negative are not possible
588 AliInfo(Form("Too Low Cluster energy!, E = %f < 0.05 GeV",energy));
592 switch (fNonLinearityFunction)
596 //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2)))))
597 //fNonLinearityParams[0] = 1.014;
598 //fNonLinearityParams[1] =-0.03329;
599 //fNonLinearityParams[2] =-0.3853;
600 //fNonLinearityParams[3] = 0.5423;
601 //fNonLinearityParams[4] =-0.4335;
602 energy *= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+
603 ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())*
604 exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3]))));
610 //Non-Linearity correction (from MC with function [0]/((x+[1])^[2]))+1;
611 //fNonLinearityParams[0] = 3.11111e-02;
612 //fNonLinearityParams[1] =-5.71666e-02;
613 //fNonLinearityParams[2] = 5.67995e-01;
615 energy *= fNonLinearityParams[0]/TMath::Power(energy+fNonLinearityParams[1],fNonLinearityParams[2])+1;
621 //Same as beam test corrected, change parameters
622 //fNonLinearityParams[0] = 9.81039e-01
623 //fNonLinearityParams[1] = 1.13508e-01;
624 //fNonLinearityParams[2] = 1.00173e+00;
625 //fNonLinearityParams[3] = 9.67998e-02;
626 //fNonLinearityParams[4] = 2.19381e+02;
627 //fNonLinearityParams[5] = 6.31604e+01;
628 //fNonLinearityParams[6] = 1;
629 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
637 //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E))
638 //fNonLinearityParams[0] = 1.04;
639 //fNonLinearityParams[1] = -0.1445;
640 //fNonLinearityParams[2] = 1.046;
641 energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function
645 case kPi0GammaConversion:
647 //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)])
648 //fNonLinearityParams[0] = 0.139393/0.1349766;
649 //fNonLinearityParams[1] = 0.0566186;
650 //fNonLinearityParams[2] = 0.982133;
651 energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy));
658 //From beam test, Alexei's results, for different ZS thresholds
659 // th=30 MeV; th = 45 MeV; th = 75 MeV
660 //fNonLinearityParams[0] = 1.007; 1.003; 1.002
661 //fNonLinearityParams[1] = 0.894; 0.719; 0.797
662 //fNonLinearityParams[2] = 0.246; 0.334; 0.358
663 //Rescale the param[0] with 1.03
664 energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]));
669 case kBeamTestCorrected:
671 //From beam test, corrected for material between beam and EMCAL
672 //fNonLinearityParams[0] = 0.99078
673 //fNonLinearityParams[1] = 0.161499;
674 //fNonLinearityParams[2] = 0.655166;
675 //fNonLinearityParams[3] = 0.134101;
676 //fNonLinearityParams[4] = 163.282;
677 //fNonLinearityParams[5] = 23.6904;
678 //fNonLinearityParams[6] = 0.978;
679 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
684 case kBeamTestCorrectedv2:
686 //From beam test, corrected for material between beam and EMCAL
687 //fNonLinearityParams[0] = 0.983504;
688 //fNonLinearityParams[1] = 0.210106;
689 //fNonLinearityParams[2] = 0.897274;
690 //fNonLinearityParams[3] = 0.0829064;
691 //fNonLinearityParams[4] = 152.299;
692 //fNonLinearityParams[5] = 31.5028;
693 //fNonLinearityParams[6] = 0.968;
694 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
701 //Based on fit to the MC/data using kNoCorrection on the data - utilizes symmetric decay method and kPi0MCv5(MC) - 28 Oct 2013
702 //fNonLinearityParams[0] = 1.0;
703 //fNonLinearityParams[1] = 6.64778e-02;
704 //fNonLinearityParams[2] = 1.570;
705 //fNonLinearityParams[3] = 9.67998e-02;
706 //fNonLinearityParams[4] = 2.19381e+02;
707 //fNonLinearityParams[5] = 6.31604e+01;
708 //fNonLinearityParams[6] = 1.01286;
709 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));
716 //Based on comparing MC truth information to the reconstructed energy of clusters.
717 //fNonLinearityParams[0] = 1.0;
718 //fNonLinearityParams[1] = 6.64778e-02;
719 //fNonLinearityParams[2] = 1.570;
720 //fNonLinearityParams[3] = 9.67998e-02;
721 //fNonLinearityParams[4] = 2.19381e+02;
722 //fNonLinearityParams[5] = 6.31604e+01;
723 //fNonLinearityParams[6] = 1.01286;
724 energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5]))));
730 AliDebug(2,"No correction on the energy\n");
738 //__________________________________________________
739 void AliEMCALRecoUtils::InitNonLinearityParam()
741 //Initialising Non Linearity Parameters
743 if (fNonLinearityFunction == kPi0MC) {
744 fNonLinearityParams[0] = 1.014;
745 fNonLinearityParams[1] = -0.03329;
746 fNonLinearityParams[2] = -0.3853;
747 fNonLinearityParams[3] = 0.5423;
748 fNonLinearityParams[4] = -0.4335;
751 if (fNonLinearityFunction == kPi0MCv2) {
752 fNonLinearityParams[0] = 3.11111e-02;
753 fNonLinearityParams[1] =-5.71666e-02;
754 fNonLinearityParams[2] = 5.67995e-01;
757 if (fNonLinearityFunction == kPi0MCv3) {
758 fNonLinearityParams[0] = 9.81039e-01;
759 fNonLinearityParams[1] = 1.13508e-01;
760 fNonLinearityParams[2] = 1.00173e+00;
761 fNonLinearityParams[3] = 9.67998e-02;
762 fNonLinearityParams[4] = 2.19381e+02;
763 fNonLinearityParams[5] = 6.31604e+01;
764 fNonLinearityParams[6] = 1;
767 if (fNonLinearityFunction == kPi0GammaGamma) {
768 fNonLinearityParams[0] = 1.04;
769 fNonLinearityParams[1] = -0.1445;
770 fNonLinearityParams[2] = 1.046;
773 if (fNonLinearityFunction == kPi0GammaConversion) {
774 fNonLinearityParams[0] = 0.139393;
775 fNonLinearityParams[1] = 0.0566186;
776 fNonLinearityParams[2] = 0.982133;
779 if (fNonLinearityFunction == kBeamTest) {
780 if (fNonLinearThreshold == 30) {
781 fNonLinearityParams[0] = 1.007;
782 fNonLinearityParams[1] = 0.894;
783 fNonLinearityParams[2] = 0.246;
785 if (fNonLinearThreshold == 45) {
786 fNonLinearityParams[0] = 1.003;
787 fNonLinearityParams[1] = 0.719;
788 fNonLinearityParams[2] = 0.334;
790 if (fNonLinearThreshold == 75) {
791 fNonLinearityParams[0] = 1.002;
792 fNonLinearityParams[1] = 0.797;
793 fNonLinearityParams[2] = 0.358;
797 if (fNonLinearityFunction == kBeamTestCorrected) {
798 fNonLinearityParams[0] = 0.99078;
799 fNonLinearityParams[1] = 0.161499;
800 fNonLinearityParams[2] = 0.655166;
801 fNonLinearityParams[3] = 0.134101;
802 fNonLinearityParams[4] = 163.282;
803 fNonLinearityParams[5] = 23.6904;
804 fNonLinearityParams[6] = 0.978;
807 if (fNonLinearityFunction == kBeamTestCorrectedv2) {
808 fNonLinearityParams[0] = 0.983504;
809 fNonLinearityParams[1] = 0.210106;
810 fNonLinearityParams[2] = 0.897274;
811 fNonLinearityParams[3] = 0.0829064;
812 fNonLinearityParams[4] = 152.299;
813 fNonLinearityParams[5] = 31.5028;
814 fNonLinearityParams[6] = 0.968;
817 if (fNonLinearityFunction == kSDMv5) {
818 fNonLinearityParams[0] = 1.0;
819 fNonLinearityParams[1] = 6.64778e-02;
820 fNonLinearityParams[2] = 1.570;
821 fNonLinearityParams[3] = 9.67998e-02;
822 fNonLinearityParams[4] = 2.19381e+02;
823 fNonLinearityParams[5] = 6.31604e+01;
824 fNonLinearityParams[6] = 1.01286;
827 if (fNonLinearityFunction == kPi0MCv5) {
828 fNonLinearityParams[0] = 1.0;
829 fNonLinearityParams[1] = 6.64778e-02;
830 fNonLinearityParams[2] = 1.570;
831 fNonLinearityParams[3] = 9.67998e-02;
832 fNonLinearityParams[4] = 2.19381e+02;
833 fNonLinearityParams[5] = 6.31604e+01;
834 fNonLinearityParams[6] = 1.01286;
839 //_________________________________________________________
840 Float_t AliEMCALRecoUtils::GetDepth(Float_t energy,
844 //Calculate shower depth for a given cluster energy and particle type
850 Float_t arg = energy*1000/ ecr; //Multiply energy by 1000 to transform to MeV
858 depth = x0 * (TMath::Log(arg) + 0.5);
865 depth = x0 * (TMath::Log(arg) - 0.5);
872 gGeoManager->cd("ALIC_1/XEN1_1");
873 TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode();
874 TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM));
876 TGeoVolume *geoSMVol = geoSM->GetVolume();
877 TGeoShape *geoSMShape = geoSMVol->GetShape();
878 TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape);
879 if (geoBox) depth = 0.5 * geoBox->GetDX()*2 ;
880 else AliFatal("Null GEANT box");
882 else AliFatal("NULL GEANT node matrix");
889 depth = x0 * (TMath::Log(arg) - 0.5);
898 depth = x0 * (TMath::Log(arg) + 0.5);
904 //____________________________________________________________________
905 void AliEMCALRecoUtils::GetMaxEnergyCell(const AliEMCALGeometry *geom,
906 AliVCaloCells* cells,
907 const AliVCluster* clu,
914 //For a given CaloCluster gets the absId of the cell
915 //with maximum energy deposit.
918 Double_t eCell = -1.;
919 Float_t fraction = 1.;
920 Float_t recalFactor = 1.;
921 Int_t cellAbsId = -1 ;
929 AliInfo("Cluster pointer null!");
930 absId=-1; iSupMod0=-1, ieta = -1; iphi = -1; shared = -1;
934 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) {
935 cellAbsId = clu->GetCellAbsId(iDig);
936 fraction = clu->GetCellAmplitudeFraction(iDig);
937 //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction);
938 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
939 geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta);
940 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
943 } else if (iSupMod0!=iSupMod) {
945 //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n");
947 if (!fCellsRecalibrated && IsRecalibrationOn()) {
948 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
950 eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor;
951 //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction);
955 //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell);
959 //Get from the absid the supermodule, tower and eta/phi numbers
960 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
961 //Gives SuperModule and Tower numbers
962 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,
963 iIphi, iIeta,iphi,ieta);
964 //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi);
965 //printf("Max end---\n");
968 //______________________________________
969 void AliEMCALRecoUtils::InitParameters()
971 // Initialize data members with default values
973 fParticleType = kPhoton;
974 fPosAlgo = kUnchanged;
977 fNonLinearityFunction = kNoCorrection;
978 fNonLinearThreshold = 30;
980 fExoticCellFraction = 0.97;
981 fExoticCellDiffTime = 1e6;
982 fExoticCellMinAmplitude = 0.5;
984 fAODFilterMask = 128;
985 fAODHybridTracks = kFALSE;
986 fAODTPCOnlyTracks = kTRUE;
988 fCutEtaPhiSum = kTRUE;
989 fCutEtaPhiSeparate = kFALSE;
995 fClusterWindow = 100;
1000 fTrackCutsType = kLooseCut;
1003 fCutMinNClusterTPC = -1;
1004 fCutMinNClusterITS = -1;
1006 fCutMaxChi2PerClusterTPC = 1e10;
1007 fCutMaxChi2PerClusterITS = 1e10;
1009 fCutRequireTPCRefit = kFALSE;
1010 fCutRequireITSRefit = kFALSE;
1011 fCutAcceptKinkDaughters = kFALSE;
1013 fCutMaxDCAToVertexXY = 1e10;
1014 fCutMaxDCAToVertexZ = 1e10;
1015 fCutDCAToVertex2D = kFALSE;
1017 fCutRequireITSStandAlone = kFALSE; //MARCEL
1018 fCutRequireITSpureSA = kFALSE; //Marcel
1020 //Misalignment matrices
1021 for (Int_t i = 0; i < 15 ; i++)
1023 fMisalTransShift[i] = 0.;
1024 fMisalRotShift[i] = 0.;
1028 for (Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = 0.;
1030 //For kBeamTestCorrectedv2 case, but default is no correction
1031 fNonLinearityParams[0] = 0.983504;
1032 fNonLinearityParams[1] = 0.210106;
1033 fNonLinearityParams[2] = 0.897274;
1034 fNonLinearityParams[3] = 0.0829064;
1035 fNonLinearityParams[4] = 152.299;
1036 fNonLinearityParams[5] = 31.5028;
1037 fNonLinearityParams[6] = 0.968;
1039 //Cluster energy smearing
1040 fSmearClusterEnergy = kFALSE;
1041 fSmearClusterParam[0] = 0.07; // * sqrt E term
1042 fSmearClusterParam[1] = 0.00; // * E term
1043 fSmearClusterParam[2] = 0.00; // constant
1046 //_____________________________________________________
1047 void AliEMCALRecoUtils::InitEMCALRecalibrationFactors()
1049 //Init EMCAL recalibration factors
1050 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
1051 //In order to avoid rewriting the same histograms
1052 Bool_t oldStatus = TH1::AddDirectoryStatus();
1053 TH1::AddDirectory(kFALSE);
1055 fEMCALRecalibrationFactors = new TObjArray(12);
1056 for (int i = 0; i < 12; i++)
1057 fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),
1058 Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24));
1059 //Init the histograms with 1
1060 for (Int_t sm = 0; sm < 12; sm++)
1062 for (Int_t i = 0; i < 48; i++)
1064 for (Int_t j = 0; j < 24; j++)
1066 SetEMCALChannelRecalibrationFactor(sm,i,j,1.);
1071 fEMCALRecalibrationFactors->SetOwner(kTRUE);
1072 fEMCALRecalibrationFactors->Compress();
1074 //In order to avoid rewriting the same histograms
1075 TH1::AddDirectory(oldStatus);
1078 //_________________________________________________________
1079 void AliEMCALRecoUtils::InitEMCALTimeRecalibrationFactors()
1081 //Init EMCAL recalibration factors
1082 AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()");
1083 //In order to avoid rewriting the same histograms
1084 Bool_t oldStatus = TH1::AddDirectoryStatus();
1085 TH1::AddDirectory(kFALSE);
1087 fEMCALTimeRecalibrationFactors = new TObjArray(4);
1088 for (int i = 0; i < 4; i++)
1089 fEMCALTimeRecalibrationFactors->Add(new TH1F(Form("hAllTimeAvBC%d",i),
1090 Form("hAllTimeAvBC%d",i),
1091 48*24*12,0.,48*24*12) );
1092 //Init the histograms with 1
1093 for (Int_t bc = 0; bc < 4; bc++)
1095 for (Int_t i = 0; i < 48*24*12; i++)
1096 SetEMCALChannelTimeRecalibrationFactor(bc,i,0.);
1099 fEMCALTimeRecalibrationFactors->SetOwner(kTRUE);
1100 fEMCALTimeRecalibrationFactors->Compress();
1102 //In order to avoid rewriting the same histograms
1103 TH1::AddDirectory(oldStatus);
1106 //____________________________________________________
1107 void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()
1109 //Init EMCAL bad channels map
1110 AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()");
1111 //In order to avoid rewriting the same histograms
1112 Bool_t oldStatus = TH1::AddDirectoryStatus();
1113 TH1::AddDirectory(kFALSE);
1115 fEMCALBadChannelMap = new TObjArray(12);
1116 //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24);
1117 for (int i = 0; i < 12; i++)
1119 fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24));
1122 fEMCALBadChannelMap->SetOwner(kTRUE);
1123 fEMCALBadChannelMap->Compress();
1125 //In order to avoid rewriting the same histograms
1126 TH1::AddDirectory(oldStatus);
1129 //____________________________________________________________________________
1130 void AliEMCALRecoUtils::RecalibrateClusterEnergy(const AliEMCALGeometry* geom,
1131 AliVCluster * cluster,
1132 AliVCaloCells * cells,
1135 // Recalibrate the cluster energy and Time, considering the recalibration map
1136 // and the energy of the cells and time that compose the cluster.
1137 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1140 AliInfo("Cluster pointer null!");
1144 //Get the cluster number of cells and list of absId, check what kind of cluster do we have.
1145 UShort_t * index = cluster->GetCellsAbsId() ;
1146 Double_t * fraction = cluster->GetCellsAmplitudeFraction() ;
1147 Int_t ncells = cluster->GetNCells();
1149 //Initialize some used variables
1152 Int_t icol =-1, irow =-1, imod=1;
1153 Float_t factor = 1, frac = 0;
1154 Int_t absIdMax = -1;
1157 //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy
1158 for (Int_t icell = 0; icell < ncells; icell++)
1160 absId = index[icell];
1161 frac = fraction[icell];
1162 if (frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off
1164 if (!fCellsRecalibrated && IsRecalibrationOn()) {
1166 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1167 geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta);
1168 if (fEMCALRecalibrationFactors->GetEntries() <= imod)
1170 geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol);
1171 factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow);
1173 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n",
1174 imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId)));
1178 energy += cells->GetCellAmplitude(absId)*factor*frac;
1180 if (emax < cells->GetCellAmplitude(absId)*factor*frac) {
1181 emax = cells->GetCellAmplitude(absId)*factor*frac;
1186 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f \n",cluster->E(),energy));
1188 cluster->SetE(energy);
1190 // Recalculate time of cluster
1191 Double_t timeorg = cluster->GetTOF();
1193 Double_t time = cells->GetCellTime(absIdMax);
1194 if (!fCellsRecalibrated && IsTimeRecalibrationOn())
1195 RecalibrateCellTime(absIdMax,bc,time);
1197 cluster->SetTOF(time);
1199 AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Time before %f, after %f \n",timeorg,cluster->GetTOF()));
1202 //_____________________________________________________________
1203 void AliEMCALRecoUtils::RecalibrateCells(AliVCaloCells * cells,
1206 // Recalibrate the cells time and energy, considering the recalibration map and the energy
1207 // of the cells that compose the cluster.
1208 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1210 if (!IsRecalibrationOn() && !IsTimeRecalibrationOn() && !IsBadChannelsRemovalSwitchedOn())
1214 AliInfo("Cells pointer null!");
1219 Bool_t accept = kFALSE;
1222 Double_t ecellin = 0;
1223 Double_t tcellin = 0;
1227 Int_t nEMcell = cells->GetNumberOfCells() ;
1228 for (Int_t iCell = 0; iCell < nEMcell; iCell++)
1230 cells->GetCell( iCell, absId, ecellin, tcellin, mclabel, efrac );
1232 accept = AcceptCalibrateCell(absId, bc, ecell ,tcell ,cells);
1239 cells->SetCell(iCell,absId,ecell, tcell, mclabel, efrac);
1242 fCellsRecalibrated = kTRUE;
1245 //_______________________________________________________________________________________________________
1246 void AliEMCALRecoUtils::RecalibrateCellTime(Int_t absId, Int_t bc, Double_t & celltime) const
1248 // Recalibrate time of cell with absID considering the recalibration map
1249 // bc= bunch crossing number returned by esdevent->GetBunchCrossNumber();
1251 if (!fCellsRecalibrated && IsTimeRecalibrationOn() && bc >= 0) {
1252 celltime -= GetEMCALChannelTimeRecalibrationFactor(bc%4,absId)*1.e-9; ;
1256 //______________________________________________________________________________
1257 void AliEMCALRecoUtils::RecalculateClusterPosition(const AliEMCALGeometry *geom,
1258 AliVCaloCells* cells,
1261 //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1264 AliInfo("Cluster pointer null!");
1268 if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu);
1269 else if (fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu);
1270 else AliDebug(2,"Algorithm to recalculate position not selected, do nothing.");
1273 //_____________________________________________________________________________________________
1274 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(const AliEMCALGeometry *geom,
1275 AliVCaloCells* cells,
1278 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1279 // The algorithm is a copy of what is done in AliEMCALRecPoint
1281 Double_t eCell = 0.;
1282 Float_t fraction = 1.;
1283 Float_t recalFactor = 1.;
1286 Int_t iTower = -1, iIphi = -1, iIeta = -1;
1287 Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1;
1288 Float_t weight = 0., totalWeight=0.;
1289 Float_t newPos[3] = {0,0,0};
1290 Double_t pLocal[3], pGlobal[3];
1291 Bool_t shared = kFALSE;
1293 Float_t clEnergy = clu->E(); //Energy already recalibrated previously
1296 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1297 Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ;
1299 //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth);
1301 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
1303 absId = clu->GetCellAbsId(iDig);
1304 fraction = clu->GetCellAmplitudeFraction(iDig);
1305 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1307 if (!fCellsRecalibrated) {
1308 geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta);
1309 geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta);
1310 if (IsRecalibrationOn()) {
1311 recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi);
1315 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1317 weight = GetCellWeight(eCell,clEnergy);
1318 totalWeight += weight;
1320 geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]);
1321 //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId);
1322 geom->GetGlobal(pLocal,pGlobal,iSupModMax);
1323 //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]);
1325 for (int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]);
1328 if (totalWeight>0) {
1329 for (int i=0; i<3; i++ ) newPos[i] /= totalWeight;
1332 //Float_t pos[]={0,0,0};
1333 //clu->GetPosition(pos);
1334 //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]);
1335 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1337 if (iSupModMax > 1) { //sector 1
1338 newPos[0] +=fMisalTransShift[3];//-=3.093;
1339 newPos[1] +=fMisalTransShift[4];//+=6.82;
1340 newPos[2] +=fMisalTransShift[5];//+=1.635;
1341 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]);
1343 newPos[0] +=fMisalTransShift[0];//+=1.134;
1344 newPos[1] +=fMisalTransShift[1];//+=8.2;
1345 newPos[2] +=fMisalTransShift[2];//+=1.197;
1346 //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]);
1348 //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]);
1350 clu->SetPosition(newPos);
1353 //____________________________________________________________________________________________
1354 void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(const AliEMCALGeometry *geom,
1355 AliVCaloCells* cells,
1358 // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster.
1359 // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position
1361 Double_t eCell = 1.;
1362 Float_t fraction = 1.;
1363 Float_t recalFactor = 1.;
1367 Int_t iIphi = -1, iIeta = -1;
1368 Int_t iSupMod = -1, iSupModMax = -1;
1369 Int_t iphi = -1, ieta =-1;
1370 Bool_t shared = kFALSE;
1372 Float_t clEnergy = clu->E(); //Energy already recalibrated previously.
1376 GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared);
1377 Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ;
1379 Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.;
1380 Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now
1381 Int_t startingSM = -1;
1383 for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++)
1385 absId = clu->GetCellAbsId(iDig);
1386 fraction = clu->GetCellAmplitudeFraction(iDig);
1387 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1389 if (iDig==0) startingSM = iSupMod;
1390 else if (iSupMod != startingSM) areInSameSM = kFALSE;
1392 eCell = cells->GetCellAmplitude(absId);
1394 geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta);
1395 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta);
1397 if (!fCellsRecalibrated)
1399 if (IsRecalibrationOn()) {
1400 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1404 eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor;
1406 weight = GetCellWeight(eCell,clEnergy);
1407 if (weight < 0) weight = 0;
1408 totalWeight += weight;
1409 weightedCol += ieta*weight;
1410 weightedRow += iphi*weight;
1412 //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ;
1415 Float_t xyzNew[]={0.,0.,0.};
1416 if (areInSameSM == kTRUE) {
1417 //printf("In Same SM\n");
1418 weightedCol = weightedCol/totalWeight;
1419 weightedRow = weightedRow/totalWeight;
1420 geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1424 //printf("In Different SM\n");
1425 geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew);
1428 clu->SetPosition(xyzNew);
1431 //___________________________________________________________________________________________
1432 void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(const AliEMCALGeometry * geom,
1433 AliVCaloCells* cells,
1434 AliVCluster * cluster)
1436 //re-evaluate distance to bad channel with updated bad map
1438 if (!fRecalDistToBadChannels) return;
1442 AliInfo("Cluster pointer null!");
1446 //Get channels map of the supermodule where the cluster is.
1447 Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1;
1448 Bool_t shared = kFALSE;
1449 GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared);
1450 TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod);
1453 Float_t minDist = 10000.;
1456 //Loop on tower status map
1457 for (Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++)
1459 for (Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++)
1461 //Check if tower is bad.
1462 if (hMap->GetBinContent(icol,irow)==0) continue;
1463 //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n",
1464 // iSupMod,icol, irow, icolM,irowM);
1466 dRrow=TMath::Abs(irowM-irow);
1467 dRcol=TMath::Abs(icolM-icol);
1468 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1471 //printf("MIN DISTANCE TO BAD %2.2f\n",dist);
1477 //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module
1481 Int_t iSupMod2 = -1;
1483 //The only possible combinations are (0,1), (2,3) ... (8,9)
1484 if (iSupMod%2) iSupMod2 = iSupMod-1;
1485 else iSupMod2 = iSupMod+1;
1486 hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2);
1488 //Loop on tower status map of second super module
1489 for (Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++)
1491 for (Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++)
1493 //Check if tower is bad.
1494 if (hMap2->GetBinContent(icol,irow)==0)
1496 //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",
1497 // iSupMod2,icol, irow,iSupMod,icolM,irowM);
1498 dRrow=TMath::Abs(irow-irowM);
1501 dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM));
1503 dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM);
1506 dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol);
1507 if (dist < minDist) minDist = dist;
1510 }// shared cluster in 2 SuperModules
1512 AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist));
1513 cluster->SetDistanceToBadChannel(minDist);
1516 //__________________________________________________________________
1517 void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster)
1519 //re-evaluate identification parameters with bayesian
1522 AliInfo("Cluster pointer null!");
1526 if (cluster->GetM02() != 0)
1527 fPIDUtils->ComputePID(cluster->E(),cluster->GetM02());
1529 Float_t pidlist[AliPID::kSPECIESCN+1];
1530 for (Int_t i = 0; i < AliPID::kSPECIESCN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i);
1532 cluster->SetPID(pidlist);
1535 //___________________________________________________________________________________________________________________
1536 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(const AliEMCALGeometry * geom,
1537 AliVCaloCells* cells,
1538 AliVCluster * cluster,
1539 Float_t & l0, Float_t & l1,
1540 Float_t & disp, Float_t & dEta, Float_t & dPhi,
1541 Float_t & sEta, Float_t & sPhi, Float_t & sEtaPhi)
1543 // Calculates new center of gravity in the local EMCAL-module coordinates
1544 // and tranfers into global ALICE coordinates
1545 // Calculates Dispersion and main axis
1548 AliInfo("Cluster pointer null!");
1552 Double_t eCell = 0.;
1553 Float_t fraction = 1.;
1554 Float_t recalFactor = 1.;
1562 Double_t etai = -1.;
1563 Double_t phii = -1.;
1568 Double_t etaMean = 0.;
1569 Double_t phiMean = 0.;
1571 //Loop on cells, calculate the cluster energy, in case a cut on cell energy is added
1572 // and to check if the cluster is between 2 SM in eta
1574 Bool_t shared = kFALSE;
1577 for (Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1579 //Get from the absid the supermodule, tower and eta/phi numbers
1580 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1581 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1583 //Check if there are cells of different SM
1584 if (iDigit == 0 ) iSM0 = iSupMod;
1585 else if (iSupMod!= iSM0) shared = kTRUE;
1587 //Get the cell energy, if recalibration is on, apply factors
1588 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1589 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1591 if (IsRecalibrationOn()) {
1592 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1595 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1602 for (Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1604 //Get from the absid the supermodule, tower and eta/phi numbers
1605 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1606 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1608 //Get the cell energy, if recalibration is on, apply factors
1609 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1610 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1612 if (!fCellsRecalibrated) {
1613 if (IsRecalibrationOn()) {
1614 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1618 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1620 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1621 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1622 if (shared && iSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1624 if (cluster->E() > 0 && eCell > 0) {
1625 w = GetCellWeight(eCell,cluster->E());
1627 etai=(Double_t)ieta;
1628 phii=(Double_t)iphi;
1634 sEta += w * etai * etai ;
1635 etaMean += w * etai ;
1636 sPhi += w * phii * phii ;
1637 phiMean += w * phii ;
1638 sEtaPhi += w * etai * phii ;
1641 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1644 //Normalize to the weight
1649 AliError(Form("Wrong weight %f\n", wtot));
1651 //Calculate dispersion
1652 for (Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++)
1654 //Get from the absid the supermodule, tower and eta/phi numbers
1655 geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta);
1656 geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta);
1658 //Get the cell energy, if recalibration is on, apply factors
1659 fraction = cluster->GetCellAmplitudeFraction(iDigit);
1660 if (fraction < 1e-4) fraction = 1.; // in case unfolding is off
1661 if (IsRecalibrationOn()) {
1662 recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi);
1664 eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor;
1666 // In case of a shared cluster, index of SM in C side, columns start at 48 and ends at 48*2
1667 // C Side impair SM, nSupMod%2=1; A side pair SM, nSupMod%2=0
1668 if (shared && iSupMod%2) ieta+=AliEMCALGeoParams::fgkEMCALCols;
1670 if (cluster->E() > 0 && eCell > 0) {
1671 w = GetCellWeight(eCell,cluster->E());
1673 etai=(Double_t)ieta;
1674 phii=(Double_t)iphi;
1676 disp += w *((etai-etaMean)*(etai-etaMean)+(phii-phiMean)*(phii-phiMean));
1677 dEta += w * (etai-etaMean)*(etai-etaMean) ;
1678 dPhi += w * (phii-phiMean)*(phii-phiMean) ;
1681 AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E()));
1684 //Normalize to the weigth and set shower shape parameters
1685 if (wtot > 0 && nstat > 1) {
1693 sEta -= etaMean * etaMean ;
1694 sPhi -= phiMean * phiMean ;
1695 sEtaPhi -= etaMean * phiMean ;
1697 l0 = (0.5 * (sEta + sPhi) + TMath::Sqrt( 0.25 * (sEta - sPhi) * (sEta - sPhi) + sEtaPhi * sEtaPhi ));
1698 l1 = (0.5 * (sEta + sPhi) - TMath::Sqrt( 0.25 * (sEta - sPhi) * (sEta - sPhi) + sEtaPhi * sEtaPhi ));
1702 dEta = 0. ; dPhi = 0. ; disp = 0. ;
1703 sEta = 0. ; sPhi = 0. ; sEtaPhi = 0. ;
1707 //____________________________________________________________________________________________
1708 void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(const AliEMCALGeometry * geom,
1709 AliVCaloCells* cells,
1710 AliVCluster * cluster)
1712 // Calculates new center of gravity in the local EMCAL-module coordinates
1713 // and tranfers into global ALICE coordinates
1714 // Calculates Dispersion and main axis and puts them into the cluster
1716 Float_t l0 = 0., l1 = 0.;
1717 Float_t disp = 0., dEta = 0., dPhi = 0.;
1718 Float_t sEta = 0., sPhi = 0., sEtaPhi = 0.;
1720 AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(geom,cells,cluster,l0,l1,disp,
1721 dEta, dPhi, sEta, sPhi, sEtaPhi);
1723 cluster->SetM02(l0);
1724 cluster->SetM20(l1);
1725 if (disp > 0. ) cluster->SetDispersion(TMath::Sqrt(disp)) ;
1729 //____________________________________________________________________________
1730 void AliEMCALRecoUtils::FindMatches(AliVEvent *event,
1731 TObjArray * clusterArr,
1732 const AliEMCALGeometry *geom)
1734 //This function should be called before the cluster loop
1735 //Before call this function, please recalculate the cluster positions
1736 //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR
1737 //Store matched cluster indexes and residuals
1739 fMatchedTrackIndex ->Reset();
1740 fMatchedClusterIndex->Reset();
1741 fResidualPhi->Reset();
1742 fResidualEta->Reset();
1744 fMatchedTrackIndex ->Set(1000);
1745 fMatchedClusterIndex->Set(1000);
1746 fResidualPhi->Set(1000);
1747 fResidualEta->Set(1000);
1749 AliESDEvent* esdevent = dynamic_cast<AliESDEvent*> (event);
1750 AliAODEvent* aodevent = dynamic_cast<AliAODEvent*> (event);
1752 // init the magnetic field if not already on
1753 if (!TGeoGlobalMagField::Instance()->GetField()) {
1754 if (!event->InitMagneticField())
1756 AliInfo("Mag Field not initialized, null esd/aod evetn pointers");
1761 UInt_t mask1 = esdevent->GetESDRun()->GetDetectorsInDAQ();
1762 UInt_t mask2 = esdevent->GetESDRun()->GetDetectorsInReco();
1763 Bool_t desc1 = (mask1 >> 3) & 0x1;
1764 Bool_t desc2 = (mask2 >> 3) & 0x1;
1765 if (desc1==0 || desc2==0) {
1766 // AliError(Form("TPC not in DAQ/RECO: %u (%u)/%u (%u)",
1767 // mask1, esdevent->GetESDRun()->GetDetectorsInReco(),
1768 // mask2, esdevent->GetESDRun()->GetDetectorsInDAQ()));
1773 TObjArray *clusterArray = 0x0;
1775 clusterArray = new TObjArray(event->GetNumberOfCaloClusters());
1776 for (Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1778 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1779 if (geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells()))
1781 clusterArray->AddAt(cluster,icl);
1787 for (Int_t i=0; i<21;i++) cv[i]=0;
1788 for (Int_t itr=0; itr<event->GetNumberOfTracks(); itr++)
1790 AliExternalTrackParam *trackParam = 0;
1792 //If the input event is ESD, the starting point for extrapolation is TPCOut, if available, or TPCInner
1793 AliESDtrack *esdTrack = 0;
1794 AliAODTrack *aodTrack = 0;
1796 esdTrack = esdevent->GetTrack(itr);
1797 if (!esdTrack) continue;
1798 if (!IsAccepted(esdTrack)) continue;
1799 if (esdTrack->Pt()<fCutMinTrackPt) continue;
1800 Double_t phi = esdTrack->Phi()*TMath::RadToDeg();
1801 if (TMath::Abs(esdTrack->Eta())>0.9 || phi <= 10 || phi >= 250 ) continue;
1803 trackParam = const_cast<AliExternalTrackParam*>(esdTrack->GetInnerParam()); // if TPC Available
1805 trackParam = new AliExternalTrackParam(*esdTrack); // If ITS Track Standing alone
1808 //If the input event is AOD, the starting point for extrapolation is at vertex
1809 //AOD tracks are selected according to its filterbit.
1810 else if (aodevent) {
1811 aodTrack = aodevent->GetTrack(itr);
1812 if (!aodTrack) continue;
1814 if (fAODTPCOnlyTracks) { // Match with TPC only tracks, default from May 2013, before filter bit 32
1815 //printf("Match with TPC only tracks, accept? %d, test bit 128 <%d> \n", aodTrack->IsTPCOnly(), aodTrack->TestFilterMask(128));
1816 if (!aodTrack->IsTPCConstrained()) continue ;
1817 } else if (fAODHybridTracks) { // Match with hybrid tracks
1818 //printf("Match with Hybrid tracks, accept? %d \n", aodTrack->IsHybridGlobalConstrainedGlobal());
1819 if (!aodTrack->IsHybridGlobalConstrainedGlobal()) continue ;
1820 } else { // Match with tracks on a mask
1821 //printf("Match with tracks having filter bit mask %d, accept? %d \n",fAODFilterMask,aodTrack->TestFilterMask(fAODFilterMask));
1822 if (!aodTrack->TestFilterMask(fAODFilterMask) ) continue; //Select AOD tracks
1825 if (aodTrack->Pt()<fCutMinTrackPt) continue;
1827 Double_t phi = aodTrack->Phi()*TMath::RadToDeg();
1828 if (TMath::Abs(aodTrack->Eta())>0.9 || phi <= 10 || phi >= 250 )
1830 Double_t pos[3],mom[3];
1831 aodTrack->GetXYZ(pos);
1832 aodTrack->GetPxPyPz(mom);
1833 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()));
1835 trackParam= new AliExternalTrackParam(pos,mom,cv,aodTrack->Charge());
1838 //Return if the input data is not "AOD" or "ESD"
1840 printf("Wrong input data type! Should be \"AOD\" or \"ESD\"\n");
1842 clusterArray->Clear();
1843 delete clusterArray;
1848 if (!trackParam) continue;
1850 //Extrapolate the track to EMCal surface
1851 AliExternalTrackParam emcalParam(*trackParam);
1852 Float_t eta, phi, pt;
1853 if (!ExtrapolateTrackToEMCalSurface(&emcalParam, fEMCalSurfaceDistance, fMass, fStepSurface, eta, phi, pt)) {
1854 if (aodevent && trackParam) delete trackParam;
1855 if (fITSTrackSA && trackParam) delete trackParam;
1859 if (TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) {
1860 if (aodevent && trackParam) delete trackParam;
1861 if (fITSTrackSA && trackParam) delete trackParam;
1865 //Find matched clusters
1867 Float_t dEta = -999, dPhi = -999;
1869 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArray, dEta, dPhi);
1871 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1875 fMatchedTrackIndex ->AddAt(itr,matched);
1876 fMatchedClusterIndex ->AddAt(index,matched);
1877 fResidualEta ->AddAt(dEta,matched);
1878 fResidualPhi ->AddAt(dPhi,matched);
1881 if (aodevent && trackParam) delete trackParam;
1882 if (fITSTrackSA && trackParam) delete trackParam;
1886 clusterArray->Clear();
1887 delete clusterArray;
1890 AliDebug(2,Form("Number of matched pairs = %d !\n",matched));
1892 fMatchedTrackIndex ->Set(matched);
1893 fMatchedClusterIndex ->Set(matched);
1894 fResidualPhi ->Set(matched);
1895 fResidualEta ->Set(matched);
1898 //________________________________________________________________________________
1899 Int_t AliEMCALRecoUtils::FindMatchedClusterInEvent(const AliESDtrack *track,
1900 const AliVEvent *event,
1901 const AliEMCALGeometry *geom,
1902 Float_t &dEta, Float_t &dPhi)
1905 // This function returns the index of matched cluster to input track
1906 // Returns -1 if no match is found
1908 Double_t phiV = track->Phi()*TMath::RadToDeg();
1909 if (TMath::Abs(track->Eta())>0.9 || phiV <= 10 || phiV >= 250 ) return index;
1910 AliExternalTrackParam *trackParam = 0;
1912 trackParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam()); // If TPC
1914 trackParam = new AliExternalTrackParam(*track);
1916 if (!trackParam) return index;
1917 AliExternalTrackParam emcalParam(*trackParam);
1918 Float_t eta, phi, pt;
1920 if (!ExtrapolateTrackToEMCalSurface(&emcalParam, fEMCalSurfaceDistance, fMass, fStepSurface, eta, phi, pt)) {
1921 if (fITSTrackSA) delete trackParam;
1924 if (TMath::Abs(eta)>0.75 || (phi) < 70*TMath::DegToRad() || (phi) > 190*TMath::DegToRad()) {
1925 if (fITSTrackSA) delete trackParam;
1929 TObjArray *clusterArr = new TObjArray(event->GetNumberOfCaloClusters());
1931 for (Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++)
1933 AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl);
1934 if (geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue;
1935 clusterArr->AddAt(cluster,icl);
1938 index = FindMatchedClusterInClusterArr(&emcalParam, &emcalParam, clusterArr, dEta, dPhi);
1939 clusterArr->Clear();
1941 if (fITSTrackSA) delete trackParam;
1946 //_______________________________________________________________________________________________
1947 Int_t AliEMCALRecoUtils::FindMatchedClusterInClusterArr(const AliExternalTrackParam *emcalParam,
1948 AliExternalTrackParam *trkParam,
1949 const TObjArray * clusterArr,
1950 Float_t &dEta, Float_t &dPhi)
1952 // Find matched cluster in array
1954 dEta=-999, dPhi=-999;
1955 Float_t dRMax = fCutR, dEtaMax=fCutEta, dPhiMax=fCutPhi;
1957 Float_t tmpEta=-999, tmpPhi=-999;
1959 Double_t exPos[3] = {0.,0.,0.};
1960 if (!emcalParam->GetXYZ(exPos)) return index;
1962 Float_t clsPos[3] = {0.,0.,0.};
1963 for (Int_t icl=0; icl<clusterArr->GetEntriesFast(); icl++)
1965 AliVCluster *cluster = dynamic_cast<AliVCluster*> (clusterArr->At(icl)) ;
1966 if (!cluster || !cluster->IsEMCAL()) continue;
1967 cluster->GetPosition(clsPos);
1968 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));
1969 if (dR > fClusterWindow) continue;
1971 AliExternalTrackParam trkPamTmp (*trkParam);//Retrieve the starting point every time before the extrapolation
1972 if (!ExtrapolateTrackToCluster(&trkPamTmp, cluster, fMass, fStepCluster, tmpEta, tmpPhi)) continue;
1973 if (fCutEtaPhiSum) {
1974 Float_t tmpR=TMath::Sqrt(tmpEta*tmpEta + tmpPhi*tmpPhi);
1981 } else if (fCutEtaPhiSeparate) {
1982 if (TMath::Abs(tmpEta)<TMath::Abs(dEtaMax) && TMath::Abs(tmpPhi)<TMath::Abs(dPhiMax)) {
1988 printf("Error: please specify your cut criteria\n");
1989 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
1990 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2001 //------------------------------------------------------------------------------------
2002 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliVTrack *track,
2003 Double_t emcalR, Double_t mass, Double_t step)
2005 // Extrapolate track to EMCAL surface
2007 track->SetTrackPhiEtaPtOnEMCal(-999, -999, -999);
2009 if (track->Pt()<0.350) //todo: discuss with Marta, everywhere else we use pT=0
2012 Double_t phi = track->Phi()*TMath::RadToDeg();
2013 if (TMath::Abs(track->Eta())>0.9 || phi <= 10 || phi >= 250)
2016 AliESDtrack *esdt = dynamic_cast<AliESDtrack*>(track);
2017 AliAODTrack *aodt = 0;
2019 aodt = dynamic_cast<AliAODTrack*>(track);
2025 Bool_t onlyTPC = kFALSE;
2029 mass = esdt->GetMass(onlyTPC);
2034 AliExternalTrackParam *trackParam = 0;
2036 const AliExternalTrackParam *in = esdt->GetInnerParam();
2039 trackParam = new AliExternalTrackParam(*in);
2041 Double_t xyz[3] = {0}, pxpypz[3] = {0}, cv[21] = {0};
2042 aodt->PxPyPz(pxpypz);
2044 aodt->GetCovarianceXYZPxPyPz(cv);
2045 trackParam = new AliExternalTrackParam(xyz,pxpypz,cv,aodt->Charge());
2050 Float_t etaout=-999, phiout=-999, ptout=-999;
2051 Bool_t ret = ExtrapolateTrackToEMCalSurface(trackParam,
2061 if (TMath::Abs(etaout)>0.75 || (phiout<70*TMath::DegToRad()) || (phiout>190*TMath::DegToRad()))
2063 track->SetTrackPhiEtaPtOnEMCal(phiout, etaout, ptout);
2068 //------------------------------------------------------------------------------------
2069 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToEMCalSurface(AliExternalTrackParam *trkParam,
2077 //Extrapolate track to EMCAL surface
2079 eta = -999, phi = -999, pt = -999;
2080 if (!trkParam) return kFALSE;
2081 if (!AliTrackerBase::PropagateTrackToBxByBz(trkParam, emcalR, mass, step, kTRUE, 0.8, -1)) return kFALSE;
2082 Double_t trkPos[3] = {0.,0.,0.};
2083 if (!trkParam->GetXYZ(trkPos)) return kFALSE;
2084 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
2085 eta = trkPosVec.Eta();
2086 phi = trkPosVec.Phi();
2087 pt = trkParam->Pt();
2089 phi += 2*TMath::Pi();
2094 //-----------------------------------------------------------------------------------
2095 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToPosition(AliExternalTrackParam *trkParam,
2096 const Float_t *clsPos,
2103 //Return the residual by extrapolating a track param to a global position
2107 if (!trkParam) return kFALSE;
2108 Double_t trkPos[3] = {0.,0.,0.};
2109 TVector3 vec(clsPos[0],clsPos[1],clsPos[2]);
2110 Double_t alpha = ((int)(vec.Phi()*TMath::RadToDeg()/20)+0.5)*20*TMath::DegToRad();
2111 vec.RotateZ(-alpha); //Rotate the cluster to the local extrapolation coordinate system
2112 if (!AliTrackerBase::PropagateTrackToBxByBz(trkParam, vec.X(), mass, step,kTRUE, 0.8, -1)) return kFALSE;
2113 if (!trkParam->GetXYZ(trkPos)) return kFALSE; //Get the extrapolated global position
2115 TVector3 clsPosVec(clsPos[0],clsPos[1],clsPos[2]);
2116 TVector3 trkPosVec(trkPos[0],trkPos[1],trkPos[2]);
2118 // track cluster matching
2119 tmpPhi = clsPosVec.DeltaPhi(trkPosVec); // tmpPhi is between -pi and pi
2120 tmpEta = clsPosVec.Eta()-trkPosVec.Eta();
2125 //----------------------------------------------------------------------------------
2126 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
2127 const AliVCluster *cluster,
2134 //Return the residual by extrapolating a track param to a cluster
2138 if (!cluster || !trkParam)
2141 Float_t clsPos[3] = {0.,0.,0.};
2142 cluster->GetPosition(clsPos);
2144 return ExtrapolateTrackToPosition(trkParam, clsPos, mass, step, tmpEta, tmpPhi);
2147 //---------------------------------------------------------------------------------
2148 Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam,
2149 const AliVCluster *cluster,
2154 //Return the residual by extrapolating a track param to a clusterfStepCluster
2157 return ExtrapolateTrackToCluster(trkParam, cluster, fMass, fStepCluster, tmpEta, tmpPhi);
2160 //_______________________________________________________________________
2161 void AliEMCALRecoUtils::GetMatchedResiduals(Int_t clsIndex,
2162 Float_t &dEta, Float_t &dPhi)
2164 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2165 //Get the residuals dEta and dPhi for this cluster to the closest track
2166 //Works with ESDs and AODs
2168 if (FindMatchedPosForCluster(clsIndex) >= 999) {
2169 AliDebug(2,"No matched tracks found!\n");
2174 dEta = fResidualEta->At(FindMatchedPosForCluster(clsIndex));
2175 dPhi = fResidualPhi->At(FindMatchedPosForCluster(clsIndex));
2178 //______________________________________________________________________________________________
2179 void AliEMCALRecoUtils::GetMatchedClusterResiduals(Int_t trkIndex, Float_t &dEta, Float_t &dPhi)
2181 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2182 //Get the residuals dEta and dPhi for this track to the closest cluster
2183 //Works with ESDs and AODs
2185 if (FindMatchedPosForTrack(trkIndex) >= 999) {
2186 AliDebug(2,"No matched cluster found!\n");
2191 dEta = fResidualEta->At(FindMatchedPosForTrack(trkIndex));
2192 dPhi = fResidualPhi->At(FindMatchedPosForTrack(trkIndex));
2195 //__________________________________________________________
2196 Int_t AliEMCALRecoUtils::GetMatchedTrackIndex(Int_t clsIndex)
2198 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2199 //Get the index of matched track to this cluster
2200 //Works with ESDs and AODs
2202 if (IsClusterMatched(clsIndex))
2203 return fMatchedTrackIndex->At(FindMatchedPosForCluster(clsIndex));
2208 //__________________________________________________________
2209 Int_t AliEMCALRecoUtils::GetMatchedClusterIndex(Int_t trkIndex)
2211 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2212 //Get the index of matched cluster to this track
2213 //Works with ESDs and AODs
2215 if (IsTrackMatched(trkIndex))
2216 return fMatchedClusterIndex->At(FindMatchedPosForTrack(trkIndex));
2221 //______________________________________________________________
2222 Bool_t AliEMCALRecoUtils::IsClusterMatched(Int_t clsIndex) const
2224 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2225 //Returns if the cluster has a match
2226 if (FindMatchedPosForCluster(clsIndex) < 999)
2232 //____________________________________________________________
2233 Bool_t AliEMCALRecoUtils::IsTrackMatched(Int_t trkIndex) const
2235 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2236 //Returns if the track has a match
2237 if (FindMatchedPosForTrack(trkIndex) < 999)
2243 //______________________________________________________________________
2244 UInt_t AliEMCALRecoUtils::FindMatchedPosForCluster(Int_t clsIndex) const
2246 //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex)
2247 //Returns the position of the match in the fMatchedClusterIndex array
2248 Float_t tmpR = fCutR;
2251 for (Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++)
2253 if (fMatchedClusterIndex->At(i)==clsIndex) {
2254 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
2258 AliDebug(3,Form("Matched cluster index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",
2259 fMatchedClusterIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
2266 //____________________________________________________________________
2267 UInt_t AliEMCALRecoUtils::FindMatchedPosForTrack(Int_t trkIndex) const
2269 //Given a track index as in AliESDEvent::GetTrack(trkIndex)
2270 //Returns the position of the match in the fMatchedTrackIndex array
2271 Float_t tmpR = fCutR;
2274 for (Int_t i=0; i<fMatchedTrackIndex->GetSize(); i++)
2276 if (fMatchedTrackIndex->At(i)==trkIndex) {
2277 Float_t r = TMath::Sqrt(fResidualEta->At(i)*fResidualEta->At(i) + fResidualPhi->At(i)*fResidualPhi->At(i));
2281 AliDebug(3,Form("Matched track index: index: %d, dEta: %2.4f, dPhi: %2.4f.\n",
2282 fMatchedTrackIndex->At(i),fResidualEta->At(i),fResidualPhi->At(i)));
2289 //__________________________________________________________________________
2290 Bool_t AliEMCALRecoUtils::IsGoodCluster(AliVCluster *cluster,
2291 const AliEMCALGeometry *geom,
2292 AliVCaloCells* cells, Int_t bc)
2294 // check if the cluster survives some quality cut
2297 Bool_t isGood=kTRUE;
2299 if (!cluster || !cluster->IsEMCAL()) return kFALSE;
2300 if (ClusterContainsBadChannel(geom,cluster->GetCellsAbsId(),cluster->GetNCells())) return kFALSE;
2301 if (!CheckCellFiducialRegion(geom,cluster,cells)) return kFALSE;
2302 if (IsExoticCluster(cluster, cells,bc)) return kFALSE;
2307 //__________________________________________________________
2308 Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack)
2310 // Given a esd track, return whether the track survive all the cuts
2312 // The different quality parameter are first
2313 // retrieved from the track. then it is found out what cuts the
2314 // track did not survive and finally the cuts are imposed.
2316 UInt_t status = esdTrack->GetStatus();
2318 Int_t nClustersITS = esdTrack->GetITSclusters(0);
2319 Int_t nClustersTPC = esdTrack->GetTPCclusters(0);
2321 Float_t chi2PerClusterITS = -1;
2322 Float_t chi2PerClusterTPC = -1;
2323 if (nClustersITS!=0)
2324 chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
2325 if (nClustersTPC!=0)
2326 chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
2330 if (fTrackCutsType==kGlobalCut) {
2331 Float_t maxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010()
2332 //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep));
2333 SetMaxDCAToVertexXY(maxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane
2338 esdTrack->GetImpactParameters(b,bCov);
2339 if (bCov[0]<=0 || bCov[2]<=0) {
2340 AliDebug(1, "Estimated b resolution lower or equal zero!");
2341 bCov[0]=0; bCov[2]=0;
2344 Float_t dcaToVertexXY = b[0];
2345 Float_t dcaToVertexZ = b[1];
2346 Float_t dcaToVertex = -1;
2348 if (fCutDCAToVertex2D)
2349 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ);
2351 dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ);
2355 Bool_t cuts[kNCuts];
2356 for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
2358 // track quality cuts
2359 if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
2361 if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
2363 if (nClustersTPC<fCutMinNClusterTPC)
2365 if (nClustersITS<fCutMinNClusterITS)
2367 if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
2369 if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
2371 if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
2373 if (fCutDCAToVertex2D && dcaToVertex > 1)
2375 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY)
2377 if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ)
2380 if (fTrackCutsType==kGlobalCut) {
2381 //Require at least one SPD point + anything else in ITS
2382 if ( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE)
2387 if (fCutRequireITSStandAlone || fCutRequireITSpureSA) {
2388 if ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)) {
2392 // ITS standalone tracks
2393 if (fCutRequireITSStandAlone && !fCutRequireITSpureSA) {
2394 if (status & AliESDtrack::kITSpureSA) cuts[11] = kTRUE;
2395 } else if (fCutRequireITSpureSA) {
2396 if (!(status & AliESDtrack::kITSpureSA)) cuts[11] = kTRUE;
2402 for (Int_t i=0; i<kNCuts; i++)
2403 if (cuts[i]) { cut = kTRUE ; }
2412 //_____________________________________
2413 void AliEMCALRecoUtils::InitTrackCuts()
2415 //Intilize the track cut criteria
2416 //By default these cuts are set according to AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
2417 //Also you can customize the cuts using the setters
2419 switch (fTrackCutsType)
2423 AliInfo(Form("Track cuts for matching: GetStandardTPCOnlyTrackCuts()"));
2425 SetMinNClustersTPC(70);
2426 SetMaxChi2PerClusterTPC(4);
2427 SetAcceptKinkDaughters(kFALSE);
2428 SetRequireTPCRefit(kFALSE);
2431 SetRequireITSRefit(kFALSE);
2432 SetMaxDCAToVertexZ(3.2);
2433 SetMaxDCAToVertexXY(2.4);
2434 SetDCAToVertex2D(kTRUE);
2441 AliInfo(Form("Track cuts for matching: GetStandardITSTPCTrackCuts2010(kTURE)"));
2443 SetMinNClustersTPC(70);
2444 SetMaxChi2PerClusterTPC(4);
2445 SetAcceptKinkDaughters(kFALSE);
2446 SetRequireTPCRefit(kTRUE);
2449 SetRequireITSRefit(kTRUE);
2450 SetMaxDCAToVertexZ(2);
2451 SetMaxDCAToVertexXY();
2452 SetDCAToVertex2D(kFALSE);
2459 AliInfo(Form("Track cuts for matching: Loose cut w/o DCA cut"));
2460 SetMinNClustersTPC(50);
2461 SetAcceptKinkDaughters(kTRUE);
2466 case kITSStandAlone:
2468 AliInfo(Form("Track cuts for matching: ITS Stand Alone tracks cut w/o DCA cut"));
2469 SetRequireITSRefit(kTRUE);
2470 SetRequireITSStandAlone(kTRUE);
2471 SetITSTrackSA(kTRUE);
2479 //________________________________________________________________________
2480 void AliEMCALRecoUtils::SetClusterMatchedToTrack(const AliVEvent *event)
2482 // Checks if tracks are matched to EMC clusters and set the matched EMCAL cluster index to ESD track.
2484 Int_t nTracks = event->GetNumberOfTracks();
2485 for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
2487 AliVTrack* track = dynamic_cast<AliVTrack*>(event->GetTrack(iTrack));
2490 AliWarning(Form("Could not receive track %d", iTrack));
2494 Int_t matchClusIndex = GetMatchedClusterIndex(iTrack);
2495 track->SetEMCALcluster(matchClusIndex); //sets -1 if track not matched within residual
2496 /*the following can be done better if AliVTrack::SetStatus will be there. Patch pending with Andreas/Peter*/
2497 AliESDtrack* esdtrack = dynamic_cast<AliESDtrack*>(track);
2499 if (matchClusIndex != -1)
2500 esdtrack->SetStatus(AliESDtrack::kEMCALmatch);
2502 esdtrack->ResetStatus(AliESDtrack::kEMCALmatch);
2504 AliAODTrack* aodtrack = dynamic_cast<AliAODTrack*>(track);
2505 if (matchClusIndex != -1)
2506 aodtrack->SetStatus(AliESDtrack::kEMCALmatch);
2508 aodtrack->ResetStatus(AliESDtrack::kEMCALmatch);
2511 AliDebug(2,"Track matched to closest cluster");
2514 //_________________________________________________________________________
2515 void AliEMCALRecoUtils::SetTracksMatchedToCluster(const AliVEvent *event)
2517 // Checks if EMC clusters are matched to ESD track.
2518 // Adds track indexes of all the tracks matched to a cluster withing residuals in ESDCalocluster.
2520 for (Int_t iClus=0; iClus < event->GetNumberOfCaloClusters(); ++iClus)
2522 AliVCluster *cluster = event->GetCaloCluster(iClus);
2523 if (!cluster->IsEMCAL())
2526 Int_t nTracks = event->GetNumberOfTracks();
2527 TArrayI arrayTrackMatched(nTracks);
2529 // Get the closest track matched to the cluster
2531 Int_t matchTrackIndex = GetMatchedTrackIndex(iClus);
2532 if (matchTrackIndex != -1)
2534 arrayTrackMatched[nMatched] = matchTrackIndex;
2538 // Get all other tracks matched to the cluster
2539 for (Int_t iTrk=0; iTrk<nTracks; ++iTrk)
2541 AliVTrack* track = dynamic_cast<AliVTrack*>(event->GetTrack(iTrk));
2543 if( !track ) continue;
2545 if ( iTrk == matchTrackIndex ) continue;
2547 if ( track->GetEMCALcluster() == iClus )
2549 arrayTrackMatched[nMatched] = iTrk;
2554 //printf("Tender::SetTracksMatchedToCluster - cluster E %f, N matches %d, first match %d\n",cluster->E(),nMatched,arrayTrackMatched[0]);
2556 arrayTrackMatched.Set(nMatched);
2557 AliESDCaloCluster *esdcluster = dynamic_cast<AliESDCaloCluster*>(cluster);
2559 esdcluster->AddTracksMatched(arrayTrackMatched);
2560 else if (nMatched>0) {
2561 AliAODCaloCluster *aodcluster = dynamic_cast<AliAODCaloCluster*>(cluster);
2563 aodcluster->AddTrackMatched(event->GetTrack(arrayTrackMatched.At(0)));
2566 Float_t eta= -999, phi = -999;
2567 if (matchTrackIndex != -1)
2568 GetMatchedResiduals(iClus, eta, phi);
2569 cluster->SetTrackDistance(phi, eta);
2572 AliDebug(2,"Cluster matched to tracks");
2575 //___________________________________________________
2576 void AliEMCALRecoUtils::Print(const Option_t *) const
2580 printf("AliEMCALRecoUtils Settings: \n");
2581 printf("Misalignment shifts\n");
2582 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,
2583 fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2],
2584 fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] );
2585 printf("Non linearity function %d, parameters:\n", fNonLinearityFunction);
2586 for (Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]);
2588 printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration);
2590 printf("Matching criteria: ");
2591 if (fCutEtaPhiSum) {
2592 printf("sqrt(dEta^2+dPhi^2)<%4.3f\n",fCutR);
2593 } else if (fCutEtaPhiSeparate) {
2594 printf("dEta<%4.3f, dPhi<%4.3f\n",fCutEta,fCutPhi);
2597 printf("please specify your cut criteria\n");
2598 printf("To cut on sqrt(dEta^2+dPhi^2), use: SwitchOnCutEtaPhiSum()\n");
2599 printf("To cut on dEta and dPhi separately, use: SwitchOnCutEtaPhiSeparate()\n");
2602 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);
2603 printf("Cluster selection window: dR < %2.0f\n",fClusterWindow);
2605 printf("Track cuts: \n");
2606 printf("Minimum track pT: %1.2f\n",fCutMinTrackPt);
2607 printf("AOD track selection: tpc only %d, or hybrid %d, or mask: %d\n",fAODTPCOnlyTracks,fAODHybridTracks, fAODFilterMask);
2608 printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit);
2609 printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters);
2610 printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS);
2611 printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS);
2612 printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ);