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d9b3567c | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | /* $Id: AliEMCALRecoUtils.cxx 33808 2009-07-15 09:48:08Z gconesab $ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // | |
20 | // Class AliEMCALRecoUtils | |
21 | // Some utilities to recalculate the cluster position or energy linearity | |
22 | // | |
23 | // | |
24 | // Author: Gustavo Conesa (LPSC- Grenoble) | |
b540d03f | 25 | // Track matching part: Rongrong Ma (Yale) |
26 | ||
d9b3567c | 27 | /////////////////////////////////////////////////////////////////////////////// |
28 | ||
29 | // --- standard c --- | |
30 | ||
31 | // standard C++ includes | |
32 | //#include <Riostream.h> | |
33 | ||
34 | // ROOT includes | |
094786cc | 35 | #include <TGeoManager.h> |
36 | #include <TGeoMatrix.h> | |
37 | #include <TGeoBBox.h> | |
d9b3567c | 38 | |
39 | // STEER includes | |
d9b3567c | 40 | #include "AliVCluster.h" |
41 | #include "AliVCaloCells.h" | |
bd8c7aef | 42 | #include "AliVEvent.h" |
d9b3567c | 43 | #include "AliLog.h" |
83bfd77a | 44 | #include "AliPID.h" |
bd8c7aef | 45 | #include "AliESDEvent.h" |
bb6f5f0b | 46 | #include "AliAODEvent.h" |
bd8c7aef | 47 | #include "AliESDtrack.h" |
bb6f5f0b | 48 | #include "AliAODTrack.h" |
49 | #include "AliExternalTrackParam.h" | |
50 | #include "AliESDfriendTrack.h" | |
51 | #include "AliTrackerBase.h" | |
b540d03f | 52 | |
53 | // EMCAL includes | |
54 | #include "AliEMCALRecoUtils.h" | |
55 | #include "AliEMCALGeometry.h" | |
bd8c7aef | 56 | #include "AliEMCALTrack.h" |
96957075 | 57 | #include "AliEMCALCalibTimeDepCorrection.h" |
b540d03f | 58 | #include "AliEMCALPIDUtils.h" |
d9b3567c | 59 | |
60 | ClassImp(AliEMCALRecoUtils) | |
61 | ||
62 | //______________________________________________ | |
63 | AliEMCALRecoUtils::AliEMCALRecoUtils(): | |
fd6df01c | 64 | fNonLinearityFunction (kNoCorrection), fParticleType(kPhoton), |
65 | fPosAlgo(kUnchanged),fW0(4.), | |
66 | fRecalibration(kFALSE), fEMCALRecalibrationFactors(), | |
78467229 | 67 | fRemoveBadChannels(kFALSE), fRecalDistToBadChannels(kFALSE), fEMCALBadChannelMap(), |
bd8c7aef | 68 | fNCellsFromEMCALBorder(0), fNoEMCALBorderAtEta0(kTRUE), |
bb6f5f0b | 69 | fAODFilterMask(32), |
b540d03f | 70 | fMatchedTrackIndex(0x0), fMatchedClusterIndex(0x0), |
bb6f5f0b | 71 | fResidualZ(0x0), fResidualR(0x0), fCutR(10), fCutZ(10), fMass(0.139), fStep(1), |
b5078f5d | 72 | fRejectExoticCluster(kFALSE), |
bd8c7aef | 73 | fCutMinNClusterTPC(0), fCutMinNClusterITS(0), fCutMaxChi2PerClusterTPC(0), fCutMaxChi2PerClusterITS(0), |
74 | fCutRequireTPCRefit(0), fCutRequireITSRefit(0), fCutAcceptKinkDaughters(0), | |
96957075 | 75 | fCutMaxDCAToVertexXY(0), fCutMaxDCAToVertexZ(0),fCutDCAToVertex2D(0),fPIDUtils(), |
76 | fUseTimeCorrectionFactors(kFALSE), fTimeCorrectionFactorsSet(kFALSE) | |
d9b3567c | 77 | { |
78 | // | |
79 | // Constructor. | |
80 | // Initialize all constant values which have to be used | |
81 | // during Reco algorithm execution | |
82 | // | |
83 | ||
b540d03f | 84 | //Misalignment matrices |
fd6df01c | 85 | for(Int_t i = 0; i < 15 ; i++) { |
86 | fMisalTransShift[i] = 0.; | |
b540d03f | 87 | fMisalRotShift[i] = 0.; |
fd6df01c | 88 | } |
b540d03f | 89 | |
90 | //Non linearity | |
dff9e2e3 | 91 | for(Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = 0.; |
92 | ||
93 | //For kBeamTestCorrected case, but default is no correction | |
94 | fNonLinearityParams[0] = 0.99078; | |
95 | fNonLinearityParams[1] = 0.161499; | |
96 | fNonLinearityParams[2] = 0.655166; | |
97 | fNonLinearityParams[3] = 0.134101; | |
98 | fNonLinearityParams[4] = 163.282; | |
99 | fNonLinearityParams[5] = 23.6904; | |
100 | fNonLinearityParams[6] = 0.978; | |
101 | ||
102 | //For kPi0GammaGamma case | |
103 | //fNonLinearityParams[0] = 0.1457/0.1349766/1.038; | |
104 | //fNonLinearityParams[1] = -0.02024/0.1349766/1.038; | |
105 | //fNonLinearityParams[2] = 1.046; | |
bd8c7aef | 106 | |
b540d03f | 107 | //Track matching |
108 | fMatchedTrackIndex = new TArrayI(); | |
bd8c7aef | 109 | fMatchedClusterIndex = new TArrayI(); |
b540d03f | 110 | fResidualZ = new TArrayF(); |
111 | fResidualR = new TArrayF(); | |
d9b3567c | 112 | |
bd8c7aef | 113 | InitTrackCuts(); |
b540d03f | 114 | |
115 | fPIDUtils = new AliEMCALPIDUtils(); | |
116 | ||
bd8c7aef | 117 | |
d9b3567c | 118 | } |
119 | ||
120 | //______________________________________________________________________ | |
121 | AliEMCALRecoUtils::AliEMCALRecoUtils(const AliEMCALRecoUtils & reco) | |
094786cc | 122 | : TNamed(reco), fNonLinearityFunction(reco.fNonLinearityFunction), |
fd6df01c | 123 | fParticleType(reco.fParticleType), fPosAlgo(reco.fPosAlgo), fW0(reco.fW0), |
124 | fRecalibration(reco.fRecalibration),fEMCALRecalibrationFactors(reco.fEMCALRecalibrationFactors), | |
78467229 | 125 | fRemoveBadChannels(reco.fRemoveBadChannels),fRecalDistToBadChannels(reco.fRecalDistToBadChannels), |
126 | fEMCALBadChannelMap(reco.fEMCALBadChannelMap), | |
83bfd77a | 127 | fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder),fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0), |
bb6f5f0b | 128 | fAODFilterMask(reco.fAODFilterMask), |
b540d03f | 129 | fMatchedTrackIndex(reco.fMatchedTrackIndex?new TArrayI(*reco.fMatchedTrackIndex):0x0), |
bd8c7aef | 130 | fMatchedClusterIndex(reco.fMatchedClusterIndex?new TArrayI(*reco.fMatchedClusterIndex):0x0), |
131 | fResidualZ(reco.fResidualZ?new TArrayF(*reco.fResidualZ):0x0), | |
132 | fResidualR(reco.fResidualR?new TArrayF(*reco.fResidualR):0x0), | |
bb6f5f0b | 133 | fCutR(reco.fCutR),fCutZ(reco.fCutZ),fMass(reco.fMass), fStep(reco.fStep), |
b5078f5d | 134 | fRejectExoticCluster(reco.fRejectExoticCluster), |
bd8c7aef | 135 | fCutMinNClusterTPC(reco.fCutMinNClusterTPC), fCutMinNClusterITS(reco.fCutMinNClusterITS), |
136 | fCutMaxChi2PerClusterTPC(reco.fCutMaxChi2PerClusterTPC), fCutMaxChi2PerClusterITS(reco.fCutMaxChi2PerClusterITS), | |
137 | fCutRequireTPCRefit(reco.fCutRequireTPCRefit), fCutRequireITSRefit(reco.fCutRequireITSRefit), | |
138 | fCutAcceptKinkDaughters(reco.fCutAcceptKinkDaughters), | |
139 | fCutMaxDCAToVertexXY(reco.fCutMaxDCAToVertexXY), fCutMaxDCAToVertexZ(reco.fCutMaxDCAToVertexZ),fCutDCAToVertex2D(reco.fCutDCAToVertex2D), | |
96957075 | 140 | fPIDUtils(reco.fPIDUtils), |
141 | fUseTimeCorrectionFactors(reco.fUseTimeCorrectionFactors), fTimeCorrectionFactorsSet(reco.fTimeCorrectionFactorsSet) | |
d9b3567c | 142 | { |
143 | //Copy ctor | |
144 | ||
fd6df01c | 145 | for(Int_t i = 0; i < 15 ; i++) { |
146 | fMisalRotShift[i] = reco.fMisalRotShift[i]; | |
147 | fMisalTransShift[i] = reco.fMisalTransShift[i]; | |
148 | } | |
dff9e2e3 | 149 | for(Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i]; |
bd8c7aef | 150 | |
d9b3567c | 151 | } |
152 | ||
153 | ||
154 | //______________________________________________________________________ | |
155 | AliEMCALRecoUtils & AliEMCALRecoUtils::operator = (const AliEMCALRecoUtils & reco) | |
156 | { | |
157 | //Assignment operator | |
158 | ||
159 | if(this == &reco)return *this; | |
160 | ((TNamed *)this)->operator=(reco); | |
161 | ||
96957075 | 162 | fNonLinearityFunction = reco.fNonLinearityFunction; |
163 | fParticleType = reco.fParticleType; | |
164 | fPosAlgo = reco.fPosAlgo; | |
165 | fW0 = reco.fW0; | |
166 | fRecalibration = reco.fRecalibration; | |
094786cc | 167 | fEMCALRecalibrationFactors = reco.fEMCALRecalibrationFactors; |
96957075 | 168 | fRemoveBadChannels = reco.fRemoveBadChannels; |
169 | fRecalDistToBadChannels = reco.fRecalDistToBadChannels; | |
170 | fEMCALBadChannelMap = reco.fEMCALBadChannelMap; | |
171 | fNCellsFromEMCALBorder = reco.fNCellsFromEMCALBorder; | |
172 | fNoEMCALBorderAtEta0 = reco.fNoEMCALBorderAtEta0; | |
bd8c7aef | 173 | |
83bfd77a | 174 | |
2a71e873 | 175 | for(Int_t i = 0; i < 15 ; i++) {fMisalTransShift[i] = reco.fMisalTransShift[i]; fMisalRotShift[i] = reco.fMisalRotShift[i];} |
dff9e2e3 | 176 | for(Int_t i = 0; i < 7 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i]; |
bb6f5f0b | 177 | |
178 | fAODFilterMask = reco.fAODFilterMask; | |
d9b3567c | 179 | |
96957075 | 180 | fCutR = reco.fCutR; |
181 | fCutZ = reco.fCutZ; | |
bb6f5f0b | 182 | fMass = reco.fMass; |
183 | fStep = reco.fStep; | |
b5078f5d | 184 | fRejectExoticCluster = reco.fRejectExoticCluster; |
bd8c7aef | 185 | |
96957075 | 186 | fCutMinNClusterTPC = reco.fCutMinNClusterTPC; |
187 | fCutMinNClusterITS = reco.fCutMinNClusterITS; | |
188 | fCutMaxChi2PerClusterTPC = reco.fCutMaxChi2PerClusterTPC; | |
189 | fCutMaxChi2PerClusterITS = reco.fCutMaxChi2PerClusterITS; | |
190 | fCutRequireTPCRefit = reco.fCutRequireTPCRefit; | |
191 | fCutRequireITSRefit = reco.fCutRequireITSRefit; | |
192 | fCutAcceptKinkDaughters = reco.fCutAcceptKinkDaughters; | |
193 | fCutMaxDCAToVertexXY = reco.fCutMaxDCAToVertexXY; | |
194 | fCutMaxDCAToVertexZ = reco.fCutMaxDCAToVertexZ; | |
195 | fCutDCAToVertex2D = reco.fCutDCAToVertex2D; | |
bd8c7aef | 196 | |
96957075 | 197 | fPIDUtils = reco.fPIDUtils; |
bd8c7aef | 198 | |
96957075 | 199 | fUseTimeCorrectionFactors = reco.fUseTimeCorrectionFactors; |
200 | fTimeCorrectionFactorsSet = reco.fTimeCorrectionFactorsSet; | |
201 | ||
bd8c7aef | 202 | |
203 | if(reco.fResidualR){ | |
204 | // assign or copy construct | |
205 | if(fResidualR){ | |
206 | *fResidualR = *reco.fResidualR; | |
207 | } | |
208 | else fResidualR = new TArrayF(*reco.fResidualR); | |
209 | } | |
210 | else{ | |
211 | if(fResidualR)delete fResidualR; | |
212 | fResidualR = 0; | |
213 | } | |
214 | ||
215 | if(reco.fResidualZ){ | |
216 | // assign or copy construct | |
217 | if(fResidualZ){ | |
218 | *fResidualZ = *reco.fResidualZ; | |
219 | } | |
220 | else fResidualZ = new TArrayF(*reco.fResidualZ); | |
221 | } | |
222 | else{ | |
223 | if(fResidualZ)delete fResidualZ; | |
224 | fResidualZ = 0; | |
225 | } | |
226 | ||
b540d03f | 227 | if(reco.fMatchedTrackIndex){ |
228 | // assign or copy construct | |
229 | if(fMatchedTrackIndex){ | |
230 | *fMatchedTrackIndex = *reco.fMatchedTrackIndex; | |
231 | } | |
232 | else fMatchedTrackIndex = new TArrayI(*reco.fMatchedTrackIndex); | |
233 | } | |
234 | else{ | |
235 | if(fMatchedTrackIndex)delete fMatchedTrackIndex; | |
236 | fMatchedTrackIndex = 0; | |
237 | } | |
bd8c7aef | 238 | |
239 | if(reco.fMatchedClusterIndex){ | |
240 | // assign or copy construct | |
241 | if(fMatchedClusterIndex){ | |
242 | *fMatchedClusterIndex = *reco.fMatchedClusterIndex; | |
243 | } | |
244 | else fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex); | |
245 | } | |
246 | else{ | |
247 | if(fMatchedClusterIndex)delete fMatchedClusterIndex; | |
248 | fMatchedClusterIndex = 0; | |
249 | } | |
250 | ||
251 | ||
d9b3567c | 252 | return *this; |
253 | } | |
254 | ||
255 | ||
094786cc | 256 | //__________________________________________________ |
257 | AliEMCALRecoUtils::~AliEMCALRecoUtils() | |
258 | { | |
259 | //Destructor. | |
260 | ||
261 | if(fEMCALRecalibrationFactors) { | |
262 | fEMCALRecalibrationFactors->Clear(); | |
263 | delete fEMCALRecalibrationFactors; | |
264 | } | |
fd6df01c | 265 | |
266 | if(fEMCALBadChannelMap) { | |
267 | fEMCALBadChannelMap->Clear(); | |
268 | delete fEMCALBadChannelMap; | |
269 | } | |
bd8c7aef | 270 | |
b540d03f | 271 | if(fMatchedTrackIndex) {delete fMatchedTrackIndex; fMatchedTrackIndex=0;} |
bd8c7aef | 272 | if(fMatchedClusterIndex) {delete fMatchedClusterIndex; fMatchedClusterIndex=0;} |
273 | if(fResidualR) {delete fResidualR; fResidualR=0;} | |
274 | if(fResidualZ) {delete fResidualZ; fResidualZ=0;} | |
275 | ||
094786cc | 276 | } |
277 | ||
fd6df01c | 278 | //_______________________________________________________________ |
279 | Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(AliEMCALGeometry* geom, AliVCluster* cluster, AliVCaloCells* cells) | |
280 | { | |
281 | // Given the list of AbsId of the cluster, get the maximum cell and | |
282 | // check if there are fNCellsFromBorder from the calorimeter border | |
283 | ||
284 | //If the distance to the border is 0 or negative just exit accept all clusters | |
285 | if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE; | |
286 | ||
cb231979 | 287 | Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1; |
288 | Bool_t shared = kFALSE; | |
289 | GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared); | |
fd6df01c | 290 | |
83bfd77a | 291 | AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n", |
292 | absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0)); | |
fd6df01c | 293 | |
294 | if(absIdMax==-1) return kFALSE; | |
295 | ||
296 | //Check if the cell is close to the borders: | |
297 | Bool_t okrow = kFALSE; | |
298 | Bool_t okcol = kFALSE; | |
299 | ||
300 | if(iSM < 0 || iphi < 0 || ieta < 0 ) { | |
301 | AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n", | |
302 | iSM,ieta,iphi)); | |
303 | } | |
304 | ||
305 | //Check rows/phi | |
306 | if(iSM < 10){ | |
307 | if(iphi >= fNCellsFromEMCALBorder && iphi < 24-fNCellsFromEMCALBorder) okrow =kTRUE; | |
308 | } | |
309 | else{ | |
310 | if(iphi >= fNCellsFromEMCALBorder && iphi < 12-fNCellsFromEMCALBorder) okrow =kTRUE; | |
311 | } | |
312 | ||
313 | //Check columns/eta | |
314 | if(!fNoEMCALBorderAtEta0){ | |
315 | if(ieta > fNCellsFromEMCALBorder && ieta < 48-fNCellsFromEMCALBorder) okcol =kTRUE; | |
316 | } | |
317 | else{ | |
318 | if(iSM%2==0){ | |
319 | if(ieta >= fNCellsFromEMCALBorder) okcol = kTRUE; | |
320 | } | |
321 | else { | |
322 | if(ieta < 48-fNCellsFromEMCALBorder) okcol = kTRUE; | |
323 | } | |
324 | }//eta 0 not checked | |
325 | ||
83bfd77a | 326 | AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq", |
fd6df01c | 327 | fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow)); |
328 | ||
83bfd77a | 329 | if (okcol && okrow) { |
330 | //printf("Accept\n"); | |
331 | return kTRUE; | |
332 | } | |
333 | else { | |
334 | //printf("Reject\n"); | |
335 | AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM)); | |
336 | return kFALSE; | |
337 | } | |
fd6df01c | 338 | |
339 | } | |
340 | ||
341 | ||
342 | //_________________________________________________________________________________________________________ | |
343 | Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(AliEMCALGeometry* geom, UShort_t* cellList, Int_t nCells){ | |
344 | // Check that in the cluster cells, there is no bad channel of those stored | |
345 | // in fEMCALBadChannelMap or fPHOSBadChannelMap | |
346 | ||
347 | if(!fRemoveBadChannels) return kFALSE; | |
348 | if(!fEMCALBadChannelMap) return kFALSE; | |
349 | ||
350 | Int_t icol = -1; | |
351 | Int_t irow = -1; | |
352 | Int_t imod = -1; | |
353 | for(Int_t iCell = 0; iCell<nCells; iCell++){ | |
354 | ||
355 | //Get the column and row | |
356 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
357 | geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta); | |
358 | if(fEMCALBadChannelMap->GetEntries() <= imod) continue; | |
359 | geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol); | |
83bfd77a | 360 | if(GetEMCALChannelStatus(imod, icol, irow)){ |
361 | AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow)); | |
362 | return kTRUE; | |
363 | } | |
fd6df01c | 364 | |
365 | }// cell cluster loop | |
366 | ||
367 | return kFALSE; | |
368 | ||
369 | } | |
094786cc | 370 | |
b5078f5d | 371 | //_________________________________________________ |
372 | Bool_t AliEMCALRecoUtils::IsExoticCluster(AliVCluster *cluster){ | |
373 | // Check if the cluster has high energy but small number of cells | |
374 | // The criteria comes from Gustavo's study | |
375 | // | |
376 | ||
377 | if(cluster->GetNCells()<(1+cluster->E()/3.)) | |
378 | return kTRUE; | |
379 | else | |
380 | return kFALSE; | |
381 | } | |
382 | ||
d9b3567c | 383 | //__________________________________________________ |
384 | Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster){ | |
385 | // Correct cluster energy from non linearity functions | |
386 | Float_t energy = cluster->E(); | |
387 | ||
388 | switch (fNonLinearityFunction) { | |
389 | ||
390 | case kPi0MC: | |
871aee7a | 391 | { |
d9b3567c | 392 | //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2))))) |
dff9e2e3 | 393 | //Double_t fNonLinearityParams[0] = 1.014; |
394 | //Double_t fNonLinearityParams[1] = -0.03329; | |
395 | //Double_t fNonLinearityParams[2] = -0.3853; | |
396 | //Double_t fNonLinearityParams[3] = 0.5423; | |
397 | //Double_t fNonLinearityParams[4] = -0.4335; | |
8cdd1f1f | 398 | energy *= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+ |
d9b3567c | 399 | ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())* |
400 | exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3])))); | |
401 | break; | |
871aee7a | 402 | } |
dff9e2e3 | 403 | |
d9b3567c | 404 | case kPi0GammaGamma: |
871aee7a | 405 | { |
d9b3567c | 406 | //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E)) |
96957075 | 407 | //Double_t fNonLinearityParams[0] = 1.04; |
408 | //Double_t fNonLinearityParams[1] = -0.1445; | |
871aee7a | 409 | //Double_t fNonLinearityParams[2] = 1.046; |
d9b3567c | 410 | energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function |
411 | break; | |
871aee7a | 412 | } |
d9b3567c | 413 | |
414 | case kPi0GammaConversion: | |
871aee7a | 415 | { |
d9b3567c | 416 | //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)]) |
871aee7a | 417 | //fNonLinearityParams[0] = 0.139393/0.1349766; |
418 | //fNonLinearityParams[1] = 0.0566186; | |
419 | //fNonLinearityParams[2] = 0.982133; | |
d9b3567c | 420 | energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); |
421 | ||
422 | break; | |
871aee7a | 423 | } |
424 | ||
425 | case kBeamTest: | |
426 | { | |
427 | //From beam test, Alexei's results, for different ZS thresholds | |
428 | // th=30 MeV; th = 45 MeV; th = 75 MeV | |
96957075 | 429 | //fNonLinearityParams[0] = 1.007; 1.003; 1.002 |
871aee7a | 430 | //fNonLinearityParams[1] = 0.894; 0.719; 0.797 |
431 | //fNonLinearityParams[2] = 0.246; 0.334; 0.358 | |
96957075 | 432 | //Rescale the param[0] with 1.03 |
871aee7a | 433 | energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2])); |
434 | ||
435 | break; | |
436 | } | |
dff9e2e3 | 437 | |
4b58ac4f | 438 | case kBeamTestCorrected: |
439 | { | |
440 | //From beam test, corrected for material between beam and EMCAL | |
dff9e2e3 | 441 | //fNonLinearityParams[0] = 0.99078 |
442 | //fNonLinearityParams[1] = 0.161499; | |
443 | //fNonLinearityParams[2] = 0.655166; | |
444 | //fNonLinearityParams[3] = 0.134101; | |
445 | //fNonLinearityParams[4] = 163.282; | |
446 | //fNonLinearityParams[5] = 23.6904; | |
447 | //fNonLinearityParams[6] = 0.978; | |
448 | energy *= fNonLinearityParams[6]/(fNonLinearityParams[0]*(1./(1.+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2]))*1./(1.+fNonLinearityParams[3]*exp((energy-fNonLinearityParams[4])/fNonLinearityParams[5])))); | |
449 | ||
4b58ac4f | 450 | break; |
451 | } | |
d9b3567c | 452 | |
453 | case kNoCorrection: | |
454 | AliDebug(2,"No correction on the energy\n"); | |
455 | break; | |
456 | ||
457 | } | |
458 | ||
459 | return energy; | |
460 | ||
461 | } | |
d9b3567c | 462 | //__________________________________________________ |
094786cc | 463 | Float_t AliEMCALRecoUtils::GetDepth(const Float_t energy, const Int_t iParticle, const Int_t iSM) const |
464 | { | |
465 | //Calculate shower depth for a given cluster energy and particle type | |
466 | ||
467 | // parameters | |
cb231979 | 468 | Float_t x0 = 1.31; |
094786cc | 469 | Float_t ecr = 8; |
470 | Float_t depth = 0; | |
471 | ||
472 | switch ( iParticle ) | |
473 | { | |
474 | case kPhoton: | |
fd6df01c | 475 | depth = x0 * (TMath::Log(energy*1000/ ecr) + 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 476 | break; |
477 | ||
478 | case kElectron: | |
fd6df01c | 479 | depth = x0 * (TMath::Log(energy*1000/ ecr) - 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 480 | break; |
481 | ||
482 | case kHadron: | |
483 | // hadron | |
484 | // boxes anc. here | |
485 | if(gGeoManager){ | |
486 | gGeoManager->cd("ALIC_1/XEN1_1"); | |
487 | TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode(); | |
488 | TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM)); | |
fd6df01c | 489 | if(geoSM){ |
490 | TGeoVolume *geoSMVol = geoSM->GetVolume(); | |
491 | TGeoShape *geoSMShape = geoSMVol->GetShape(); | |
492 | TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape); | |
493 | if(geoBox) depth = 0.5 * geoBox->GetDX()*2 ; | |
494 | else AliFatal("Null GEANT box"); | |
495 | }else AliFatal("NULL GEANT node matrix"); | |
094786cc | 496 | } |
497 | else{//electron | |
fd6df01c | 498 | depth = x0 * (TMath::Log(energy*1000 / ecr) - 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 499 | } |
500 | ||
501 | break; | |
502 | ||
503 | default://photon | |
fd6df01c | 504 | depth = x0 * (TMath::Log(energy*1000 / ecr) + 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 505 | } |
506 | ||
507 | return depth; | |
508 | ||
509 | } | |
510 | ||
511 | //__________________________________________________ | |
cb231979 | 512 | void AliEMCALRecoUtils::GetMaxEnergyCell(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu, |
513 | Int_t & absId, Int_t& iSupMod, Int_t& ieta, Int_t& iphi, Bool_t &shared) | |
d9b3567c | 514 | { |
515 | //For a given CaloCluster gets the absId of the cell | |
516 | //with maximum energy deposit. | |
517 | ||
518 | Double_t eMax = -1.; | |
519 | Double_t eCell = -1.; | |
094786cc | 520 | Float_t fraction = 1.; |
521 | Float_t recalFactor = 1.; | |
d9b3567c | 522 | Int_t cellAbsId = -1 ; |
094786cc | 523 | |
d9b3567c | 524 | Int_t iTower = -1; |
525 | Int_t iIphi = -1; | |
526 | Int_t iIeta = -1; | |
cb231979 | 527 | Int_t iSupMod0= -1; |
83bfd77a | 528 | //printf("---Max?\n"); |
d9b3567c | 529 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { |
094786cc | 530 | cellAbsId = clu->GetCellAbsId(iDig); |
531 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
83bfd77a | 532 | //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction); |
094786cc | 533 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off |
cb231979 | 534 | geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta); |
535 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta); | |
536 | if(iDig==0) iSupMod0=iSupMod; | |
537 | else if(iSupMod0!=iSupMod) { | |
538 | shared = kTRUE; | |
539 | //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n"); | |
540 | } | |
094786cc | 541 | if(IsRecalibrationOn()) { |
094786cc | 542 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); |
543 | } | |
544 | eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor; | |
83bfd77a | 545 | //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction); |
094786cc | 546 | if(eCell > eMax) { |
d9b3567c | 547 | eMax = eCell; |
548 | absId = cellAbsId; | |
549 | //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell); | |
550 | } | |
551 | }// cell loop | |
552 | ||
553 | //Get from the absid the supermodule, tower and eta/phi numbers | |
554 | geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta); | |
555 | //Gives SuperModule and Tower numbers | |
556 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower, | |
83bfd77a | 557 | iIphi, iIeta,iphi,ieta); |
558 | //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi); | |
559 | //printf("Max end---\n"); | |
d9b3567c | 560 | |
561 | } | |
562 | ||
094786cc | 563 | //________________________________________________________________ |
564 | void AliEMCALRecoUtils::InitEMCALRecalibrationFactors(){ | |
565 | //Init EMCAL recalibration factors | |
566 | AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()"); | |
567 | //In order to avoid rewriting the same histograms | |
568 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
569 | TH1::AddDirectory(kFALSE); | |
570 | ||
cb231979 | 571 | fEMCALRecalibrationFactors = new TObjArray(10); |
d7194a80 | 572 | for (int i = 0; i < 10; i++) fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24)); |
094786cc | 573 | //Init the histograms with 1 |
d7194a80 | 574 | for (Int_t sm = 0; sm < 10; sm++) { |
094786cc | 575 | for (Int_t i = 0; i < 48; i++) { |
576 | for (Int_t j = 0; j < 24; j++) { | |
577 | SetEMCALChannelRecalibrationFactor(sm,i,j,1.); | |
578 | } | |
579 | } | |
580 | } | |
581 | fEMCALRecalibrationFactors->SetOwner(kTRUE); | |
582 | fEMCALRecalibrationFactors->Compress(); | |
583 | ||
584 | //In order to avoid rewriting the same histograms | |
585 | TH1::AddDirectory(oldStatus); | |
586 | } | |
587 | ||
588 | ||
fd6df01c | 589 | //________________________________________________________________ |
590 | void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap(){ | |
591 | //Init EMCAL bad channels map | |
592 | AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()"); | |
593 | //In order to avoid rewriting the same histograms | |
594 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
595 | TH1::AddDirectory(kFALSE); | |
596 | ||
cb231979 | 597 | fEMCALBadChannelMap = new TObjArray(10); |
fd6df01c | 598 | //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24); |
6fe0e6d0 | 599 | for (int i = 0; i < 10; i++) { |
fd6df01c | 600 | fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24)); |
601 | } | |
602 | ||
603 | //delete hTemp; | |
604 | ||
605 | fEMCALBadChannelMap->SetOwner(kTRUE); | |
606 | fEMCALBadChannelMap->Compress(); | |
607 | ||
608 | //In order to avoid rewriting the same histograms | |
609 | TH1::AddDirectory(oldStatus); | |
610 | } | |
611 | ||
094786cc | 612 | //________________________________________________________________ |
613 | void AliEMCALRecoUtils::RecalibrateClusterEnergy(AliEMCALGeometry* geom, AliVCluster * cluster, AliVCaloCells * cells){ | |
614 | // Recalibrate the cluster energy, considering the recalibration map and the energy of the cells that compose the cluster. | |
615 | ||
616 | //Get the cluster number of cells and list of absId, check what kind of cluster do we have. | |
617 | UShort_t * index = cluster->GetCellsAbsId() ; | |
618 | Double_t * fraction = cluster->GetCellsAmplitudeFraction() ; | |
619 | Int_t ncells = cluster->GetNCells(); | |
620 | ||
621 | //Initialize some used variables | |
622 | Float_t energy = 0; | |
623 | Int_t absId = -1; | |
624 | Int_t icol = -1, irow = -1, imod=1; | |
625 | Float_t factor = 1, frac = 0; | |
626 | ||
627 | //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy | |
628 | for(Int_t icell = 0; icell < ncells; icell++){ | |
629 | absId = index[icell]; | |
630 | frac = fraction[icell]; | |
631 | if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off | |
632 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
633 | geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta); | |
634 | if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue; | |
635 | geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol); | |
636 | factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow); | |
637 | AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n", | |
638 | imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId))); | |
639 | ||
640 | energy += cells->GetCellAmplitude(absId)*factor*frac; | |
641 | } | |
642 | ||
643 | ||
644 | AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f\n",cluster->E(),energy)); | |
645 | ||
646 | cluster->SetE(energy); | |
647 | ||
648 | } | |
649 | ||
650 | ||
d9b3567c | 651 | //__________________________________________________ |
094786cc | 652 | void AliEMCALRecoUtils::RecalculateClusterPosition(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) |
d9b3567c | 653 | { |
654 | //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
655 | ||
094786cc | 656 | if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu); |
657 | else if(fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu); | |
fd6df01c | 658 | else AliDebug(2,"Algorithm to recalculate position not selected, do nothing."); |
094786cc | 659 | |
660 | } | |
661 | ||
662 | //__________________________________________________ | |
663 | void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) | |
664 | { | |
665 | // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
666 | // The algorithm is a copy of what is done in AliEMCALRecPoint | |
667 | ||
668 | Double_t eCell = 0.; | |
669 | Float_t fraction = 1.; | |
670 | Float_t recalFactor = 1.; | |
671 | ||
672 | Int_t absId = -1; | |
673 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
674 | Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1; | |
675 | Float_t weight = 0., totalWeight=0.; | |
676 | Float_t newPos[3] = {0,0,0}; | |
677 | Double_t pLocal[3], pGlobal[3]; | |
cb231979 | 678 | Bool_t shared = kFALSE; |
679 | ||
094786cc | 680 | Float_t clEnergy = clu->E(); //Energy already recalibrated previously |
cb231979 | 681 | GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared); |
094786cc | 682 | Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ; |
683 | ||
83bfd77a | 684 | //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth); |
685 | ||
094786cc | 686 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { |
687 | absId = clu->GetCellAbsId(iDig); | |
688 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
689 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
690 | geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta); | |
691 | geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta); | |
692 | ||
693 | if(IsRecalibrationOn()) { | |
694 | recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi); | |
695 | } | |
696 | eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor; | |
697 | ||
698 | weight = GetCellWeight(eCell,clEnergy); | |
83bfd77a | 699 | //printf("cell energy %f, weight %f\n",eCell,weight); |
094786cc | 700 | totalWeight += weight; |
701 | geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]); | |
83bfd77a | 702 | //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId); |
094786cc | 703 | geom->GetGlobal(pLocal,pGlobal,iSupModMax); |
83bfd77a | 704 | //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]); |
705 | ||
094786cc | 706 | for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]); |
707 | ||
708 | }// cell loop | |
709 | ||
710 | if(totalWeight>0){ | |
711 | for(int i=0; i<3; i++ ) newPos[i] /= totalWeight; | |
712 | } | |
713 | ||
094786cc | 714 | //Float_t pos[]={0,0,0}; |
715 | //clu->GetPosition(pos); | |
716 | //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]); | |
83bfd77a | 717 | //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]); |
094786cc | 718 | |
719 | if(iSupModMax > 1) {//sector 1 | |
720 | newPos[0] +=fMisalTransShift[3];//-=3.093; | |
721 | newPos[1] +=fMisalTransShift[4];//+=6.82; | |
722 | newPos[2] +=fMisalTransShift[5];//+=1.635; | |
83bfd77a | 723 | //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]); |
724 | ||
094786cc | 725 | } |
726 | else {//sector 0 | |
727 | newPos[0] +=fMisalTransShift[0];//+=1.134; | |
728 | newPos[1] +=fMisalTransShift[1];//+=8.2; | |
729 | newPos[2] +=fMisalTransShift[2];//+=1.197; | |
83bfd77a | 730 | //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]); |
731 | ||
094786cc | 732 | } |
83bfd77a | 733 | //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]); |
734 | ||
094786cc | 735 | clu->SetPosition(newPos); |
736 | ||
094786cc | 737 | } |
738 | ||
739 | //__________________________________________________ | |
740 | void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) | |
741 | { | |
742 | // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
743 | // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position | |
744 | ||
745 | Double_t eCell = 1.; | |
746 | Float_t fraction = 1.; | |
747 | Float_t recalFactor = 1.; | |
748 | ||
749 | Int_t absId = -1; | |
d9b3567c | 750 | Int_t iTower = -1; |
094786cc | 751 | Int_t iIphi = -1, iIeta = -1; |
752 | Int_t iSupMod = -1, iSupModMax = -1; | |
d9b3567c | 753 | Int_t iphi = -1, ieta =-1; |
cb231979 | 754 | Bool_t shared = kFALSE; |
755 | ||
d9b3567c | 756 | Float_t clEnergy = clu->E(); //Energy already recalibrated previously. |
cb231979 | 757 | GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared); |
094786cc | 758 | Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ; |
759 | ||
d9b3567c | 760 | Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.; |
094786cc | 761 | Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now |
762 | Int_t startingSM = -1; | |
d9b3567c | 763 | |
764 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { | |
094786cc | 765 | absId = clu->GetCellAbsId(iDig); |
766 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
767 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
768 | geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta); | |
d9b3567c | 769 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta); |
094786cc | 770 | |
d9b3567c | 771 | if (iDig==0) startingSM = iSupMod; |
772 | else if(iSupMod != startingSM) areInSameSM = kFALSE; | |
094786cc | 773 | |
774 | eCell = cells->GetCellAmplitude(absId); | |
d9b3567c | 775 | |
094786cc | 776 | if(IsRecalibrationOn()) { |
777 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
778 | } | |
779 | eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor; | |
d9b3567c | 780 | |
094786cc | 781 | weight = GetCellWeight(eCell,clEnergy); |
d9b3567c | 782 | if(weight < 0) weight = 0; |
783 | totalWeight += weight; | |
784 | weightedCol += ieta*weight; | |
785 | weightedRow += iphi*weight; | |
786 | ||
787 | //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ; | |
788 | ||
094786cc | 789 | }// cell loop |
790 | ||
d9b3567c | 791 | Float_t xyzNew[]={0.,0.,0.}; |
792 | if(areInSameSM == kTRUE) { | |
793 | //printf("In Same SM\n"); | |
794 | weightedCol = weightedCol/totalWeight; | |
795 | weightedRow = weightedRow/totalWeight; | |
094786cc | 796 | geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew); |
d9b3567c | 797 | } |
798 | else { | |
799 | //printf("In Different SM\n"); | |
094786cc | 800 | geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew); |
d9b3567c | 801 | } |
d9b3567c | 802 | |
094786cc | 803 | clu->SetPosition(xyzNew); |
d9b3567c | 804 | |
805 | } | |
806 | ||
cb231979 | 807 | //____________________________________________________________________________ |
808 | void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster){ | |
809 | ||
810 | //re-evaluate distance to bad channel with updated bad map | |
811 | ||
78467229 | 812 | if(!fRecalDistToBadChannels) return; |
cb231979 | 813 | |
814 | //Get channels map of the supermodule where the cluster is. | |
cb231979 | 815 | Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1; |
816 | Bool_t shared = kFALSE; | |
817 | GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared); | |
818 | TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod); | |
819 | ||
820 | Int_t dRrow, dRcol; | |
821 | Float_t minDist = 10000.; | |
822 | Float_t dist = 0.; | |
823 | ||
824 | //Loop on tower status map | |
825 | for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){ | |
826 | for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){ | |
827 | //Check if tower is bad. | |
828 | if(hMap->GetBinContent(icol,irow)==0) continue; | |
829 | //printf("AliEMCALRecoUtils::RecalculateDistanceToBadChannels() - \n \t Bad channel in SM %d, col %d, row %d, \n \t Cluster max in col %d, row %d\n", | |
6fe0e6d0 | 830 | // iSupMod,icol, irow, icolM,irowM); |
cb231979 | 831 | |
832 | dRrow=TMath::Abs(irowM-irow); | |
833 | dRcol=TMath::Abs(icolM-icol); | |
834 | dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol); | |
835 | if(dist < minDist){ | |
836 | //printf("MIN DISTANCE TO BAD %2.2f\n",dist); | |
837 | minDist = dist; | |
838 | } | |
839 | ||
840 | } | |
841 | } | |
842 | ||
843 | //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module | |
844 | if (shared) { | |
845 | TH2D* hMap2 = 0; | |
846 | Int_t iSupMod2 = -1; | |
847 | ||
848 | //The only possible combinations are (0,1), (2,3) ... (8,9) | |
849 | if(iSupMod%2) iSupMod2 = iSupMod-1; | |
850 | else iSupMod2 = iSupMod+1; | |
851 | hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2); | |
852 | ||
853 | //Loop on tower status map of second super module | |
854 | for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){ | |
855 | for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){ | |
856 | //Check if tower is bad. | |
857 | if(hMap2->GetBinContent(icol,irow)==0) continue; | |
858 | //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", | |
859 | // iSupMod2,icol, irow,iSupMod,icolM,irowM); | |
860 | ||
861 | dRrow=TMath::Abs(irow-irowM); | |
862 | ||
863 | if(iSupMod%2) { | |
864 | dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM)); | |
865 | } | |
866 | else { | |
867 | dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM); | |
868 | } | |
869 | ||
870 | dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol); | |
871 | if(dist < minDist) minDist = dist; | |
872 | ||
873 | } | |
874 | } | |
875 | ||
876 | }// shared cluster in 2 SuperModules | |
78467229 | 877 | |
6fe0e6d0 | 878 | AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist)); |
879 | cluster->SetDistanceToBadChannel(minDist); | |
cb231979 | 880 | |
881 | } | |
882 | ||
83bfd77a | 883 | //____________________________________________________________________________ |
884 | void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster){ | |
885 | ||
886 | //re-evaluate identification parameters with bayesian | |
887 | ||
888 | if ( cluster->GetM02() != 0) | |
889 | fPIDUtils->ComputePID(cluster->E(),cluster->GetM02()); | |
890 | ||
891 | Float_t pidlist[AliPID::kSPECIESN+1]; | |
892 | for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i); | |
893 | ||
894 | cluster->SetPID(pidlist); | |
895 | ||
896 | } | |
897 | ||
898 | //____________________________________________________________________________ | |
899 | void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster) | |
900 | { | |
901 | // Calculates new center of gravity in the local EMCAL-module coordinates | |
902 | // and tranfers into global ALICE coordinates | |
903 | // Calculates Dispersion and main axis | |
904 | ||
905 | Int_t nstat = 0; | |
906 | Float_t wtot = 0. ; | |
907 | Double_t eCell = 0.; | |
908 | Float_t fraction = 1.; | |
909 | Float_t recalFactor = 1.; | |
910 | ||
911 | Int_t iSupMod = -1; | |
912 | Int_t iTower = -1; | |
913 | Int_t iIphi = -1; | |
914 | Int_t iIeta = -1; | |
915 | Int_t iphi = -1; | |
916 | Int_t ieta = -1; | |
917 | Double_t etai = -1.; | |
918 | Double_t phii = -1.; | |
919 | ||
920 | Double_t w = 0.; | |
921 | Double_t d = 0.; | |
922 | Double_t dxx = 0.; | |
923 | Double_t dzz = 0.; | |
924 | Double_t dxz = 0.; | |
925 | Double_t xmean = 0.; | |
926 | Double_t zmean = 0.; | |
927 | ||
928 | //Loop on cells | |
929 | for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) { | |
930 | ||
931 | //Get from the absid the supermodule, tower and eta/phi numbers | |
932 | geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta); | |
933 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta); | |
934 | ||
935 | //Get the cell energy, if recalibration is on, apply factors | |
936 | fraction = cluster->GetCellAmplitudeFraction(iDigit); | |
937 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
938 | if(IsRecalibrationOn()) { | |
939 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
940 | } | |
941 | eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor; | |
942 | ||
943 | if(cluster->E() > 0 && eCell > 0){ | |
944 | ||
945 | w = GetCellWeight(eCell,cluster->E()); | |
946 | ||
947 | etai=(Double_t)ieta; | |
948 | phii=(Double_t)iphi; | |
949 | if(w > 0.0) { | |
950 | wtot += w ; | |
951 | nstat++; | |
952 | //Shower shape | |
953 | dxx += w * etai * etai ; | |
954 | xmean+= w * etai ; | |
955 | dzz += w * phii * phii ; | |
956 | zmean+= w * phii ; | |
957 | dxz += w * etai * phii ; | |
958 | } | |
959 | } | |
960 | else | |
961 | AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E())); | |
962 | }//cell loop | |
963 | ||
964 | //Normalize to the weight | |
965 | if (wtot > 0) { | |
966 | xmean /= wtot ; | |
967 | zmean /= wtot ; | |
968 | } | |
969 | else | |
970 | AliError(Form("Wrong weight %f\n", wtot)); | |
971 | ||
972 | //Calculate dispersion | |
973 | for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) { | |
974 | ||
975 | //Get from the absid the supermodule, tower and eta/phi numbers | |
976 | geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta); | |
977 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta); | |
978 | ||
979 | //Get the cell energy, if recalibration is on, apply factors | |
980 | fraction = cluster->GetCellAmplitudeFraction(iDigit); | |
981 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
982 | if(IsRecalibrationOn()) { | |
983 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
984 | } | |
985 | eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor; | |
986 | ||
987 | if(cluster->E() > 0 && eCell > 0){ | |
988 | ||
989 | w = GetCellWeight(eCell,cluster->E()); | |
990 | ||
991 | etai=(Double_t)ieta; | |
992 | phii=(Double_t)iphi; | |
993 | if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean)); | |
994 | } | |
995 | else | |
996 | AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E())); | |
997 | }// cell loop | |
998 | ||
999 | //Normalize to the weigth and set shower shape parameters | |
1000 | if (wtot > 0 && nstat > 1) { | |
1001 | d /= wtot ; | |
1002 | dxx /= wtot ; | |
1003 | dzz /= wtot ; | |
1004 | dxz /= wtot ; | |
1005 | dxx -= xmean * xmean ; | |
1006 | dzz -= zmean * zmean ; | |
1007 | dxz -= xmean * zmean ; | |
1008 | cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz )); | |
1009 | cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz )); | |
1010 | } | |
1011 | else{ | |
1012 | d=0. ; | |
1013 | cluster->SetM20(0.) ; | |
1014 | cluster->SetM02(0.) ; | |
1015 | } | |
1016 | ||
1017 | if (d>=0) | |
1018 | cluster->SetDispersion(TMath::Sqrt(d)) ; | |
1019 | else | |
1020 | cluster->SetDispersion(0) ; | |
83bfd77a | 1021 | } |
1022 | ||
b540d03f | 1023 | //____________________________________________________________________________ |
b5078f5d | 1024 | void AliEMCALRecoUtils::FindMatches(AliVEvent *event,TObjArray * clusterArr, AliEMCALGeometry *geom) |
bd8c7aef | 1025 | { |
1026 | //This function should be called before the cluster loop | |
1027 | //Before call this function, please recalculate the cluster positions | |
1028 | //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR | |
1029 | //Store matched cluster indexes and residuals | |
bb6f5f0b | 1030 | |
b540d03f | 1031 | fMatchedTrackIndex ->Reset(); |
bd8c7aef | 1032 | fMatchedClusterIndex->Reset(); |
b540d03f | 1033 | fResidualZ ->Reset(); |
1034 | fResidualR ->Reset(); | |
bd8c7aef | 1035 | |
67241b7e | 1036 | fMatchedTrackIndex ->Set(500); |
1037 | fMatchedClusterIndex->Set(500); | |
1038 | fResidualZ ->Set(500); | |
1039 | fResidualR ->Set(500); | |
bd8c7aef | 1040 | |
1c7a2bf4 | 1041 | AliESDEvent* esdevent = dynamic_cast<AliESDEvent*> (event); |
1042 | AliAODEvent* aodevent = dynamic_cast<AliAODEvent*> (event); | |
1043 | ||
bd8c7aef | 1044 | Int_t matched=0; |
bb6f5f0b | 1045 | Double_t cv[21]; |
1046 | for (Int_t i=0; i<21;i++) cv[i]=0; | |
bd8c7aef | 1047 | for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++) |
1048 | { | |
bb6f5f0b | 1049 | AliExternalTrackParam *trackParam=0; |
1050 | ||
1051 | //If the input event is ESD, the starting point for extrapolation is TPCOut, if available, or TPCInner | |
1c7a2bf4 | 1052 | if(esdevent) |
bb6f5f0b | 1053 | { |
1c7a2bf4 | 1054 | AliESDtrack *esdTrack = esdevent->GetTrack(itr); |
bb6f5f0b | 1055 | if(!esdTrack || !IsAccepted(esdTrack)) continue; |
1056 | const AliESDfriendTrack* friendTrack = esdTrack->GetFriendTrack(); | |
1057 | if(friendTrack && friendTrack->GetTPCOut()) | |
1058 | { | |
1059 | //Use TPC Out as starting point if it is available | |
1060 | trackParam= new AliExternalTrackParam(*friendTrack->GetTPCOut()); | |
1061 | } | |
1062 | else | |
1063 | { | |
1064 | //Otherwise use TPC inner | |
1065 | trackParam = new AliExternalTrackParam(*esdTrack->GetInnerParam()); | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | //If the input event is AOD, the starting point for extrapolation is at vertex | |
1070 | //AOD tracks are selected according to its bit. | |
1c7a2bf4 | 1071 | else if(aodevent) |
bb6f5f0b | 1072 | { |
1c7a2bf4 | 1073 | AliAODTrack *aodTrack = aodevent->GetTrack(itr); |
bb6f5f0b | 1074 | if(!aodTrack) continue; |
1075 | if(!aodTrack->TestFilterMask(fAODFilterMask)) continue; //Select AOD tracks that fulfill GetStandardITSTPCTrackCuts2010() | |
1076 | Double_t pos[3],mom[3]; | |
1077 | aodTrack->GetXYZ(pos); | |
1078 | aodTrack->GetPxPyPz(mom); | |
1079 | 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())); | |
1080 | trackParam= new AliExternalTrackParam(pos,mom,cv,aodTrack->Charge()); | |
1081 | } | |
bd8c7aef | 1082 | |
bb6f5f0b | 1083 | //Return if the input data is not "AOD" or "ESD" |
1084 | else | |
1085 | { | |
b5078f5d | 1086 | printf("Wrong input data type! Should be \"AOD\" or \"ESD\"\n"); |
bb6f5f0b | 1087 | return; |
1088 | } | |
1089 | ||
1090 | if(!trackParam) continue; | |
1091 | ||
1092 | Float_t dRMax = fCutR, dZMax=fCutZ; | |
bd8c7aef | 1093 | Int_t index = -1; |
b540d03f | 1094 | if(!clusterArr){// get clusters from event |
1095 | for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++) | |
1096 | { | |
bb6f5f0b | 1097 | AliExternalTrackParam *trkPamTmp = new AliExternalTrackParam(*trackParam);//Retrieve the starting point every time before the extrapolation |
b540d03f | 1098 | AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl); |
b5078f5d | 1099 | if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue; |
bb6f5f0b | 1100 | Float_t tmpR=-1, tmpZ=-1; |
1101 | if(!ExtrapolateTrackToCluster(trkPamTmp, cluster, tmpR, tmpZ)) continue; | |
b540d03f | 1102 | if(tmpR<dRMax) |
1103 | { | |
1104 | dRMax=tmpR; | |
1105 | dZMax=tmpZ; | |
1106 | index=icl; | |
1107 | } | |
bb6f5f0b | 1108 | delete trkPamTmp; |
b540d03f | 1109 | }//cluster loop |
1110 | } else { // external cluster array, not from ESD event | |
1111 | for(Int_t icl=0; icl<clusterArr->GetEntriesFast(); icl++) | |
1112 | { | |
bb6f5f0b | 1113 | AliExternalTrackParam *trkPamTmp = new AliExternalTrackParam(*trackParam);//Retrieve the starting point every time before the extrapolation |
b540d03f | 1114 | AliVCluster *cluster = (AliVCluster*) clusterArr->At(icl); |
1115 | if(!cluster->IsEMCAL()) continue; | |
bb6f5f0b | 1116 | Float_t tmpR=-1, tmpZ=-1; |
1117 | if(!ExtrapolateTrackToCluster(trkPamTmp, cluster, tmpR, tmpZ)) continue; | |
b540d03f | 1118 | if(tmpR<dRMax) |
1119 | { | |
1120 | dRMax=tmpR; | |
1121 | dZMax=tmpZ; | |
1122 | index=icl; | |
1123 | } | |
bb6f5f0b | 1124 | delete trkPamTmp; |
b540d03f | 1125 | }//cluster loop |
1126 | }// external list of clusters | |
1127 | ||
bd8c7aef | 1128 | if(index>-1) |
1129 | { | |
b540d03f | 1130 | fMatchedTrackIndex ->AddAt(itr,matched); |
bd8c7aef | 1131 | fMatchedClusterIndex->AddAt(index,matched); |
b540d03f | 1132 | fResidualZ ->AddAt(dZMax,matched); |
1133 | fResidualR ->AddAt(dRMax,matched); | |
bd8c7aef | 1134 | matched++; |
1135 | } | |
bb6f5f0b | 1136 | delete trackParam; |
bd8c7aef | 1137 | }//track loop |
b540d03f | 1138 | |
1139 | AliDebug(2,Form("Number of matched pairs = %d !\n",matched)); | |
1140 | ||
1141 | fMatchedTrackIndex ->Set(matched); | |
bd8c7aef | 1142 | fMatchedClusterIndex->Set(matched); |
b540d03f | 1143 | fResidualZ ->Set(matched); |
1144 | fResidualR ->Set(matched); | |
bd8c7aef | 1145 | } |
1146 | ||
b540d03f | 1147 | //________________________________________________________________________________ |
b5078f5d | 1148 | Int_t AliEMCALRecoUtils::FindMatchedCluster(AliESDtrack *track, AliVEvent *event, AliEMCALGeometry *geom) |
bb6f5f0b | 1149 | { |
1150 | // | |
1151 | // This function returns the index of matched cluster to input track | |
1152 | // Cut on match is dR<10cm by default. Returns -1 if no match is found | |
1153 | ||
1154 | ||
1155 | Float_t dRMax = fCutR; | |
1156 | Int_t index = -1; | |
1157 | ||
1158 | AliExternalTrackParam *trackParam=0; | |
1159 | const AliESDfriendTrack* friendTrack = track->GetFriendTrack(); | |
1160 | if(friendTrack && friendTrack->GetTPCOut()) | |
1161 | trackParam= const_cast<AliExternalTrackParam*>(friendTrack->GetTPCOut()); | |
1162 | else | |
1163 | trackParam = const_cast<AliExternalTrackParam*>(track->GetInnerParam()); | |
1164 | ||
1165 | if(!trackParam) return index; | |
1166 | for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++) | |
1167 | { | |
1168 | AliExternalTrackParam *trkPamTmp = new AliExternalTrackParam(*trackParam);//Retrieve the starting point every time before the extrapolation | |
1169 | AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl); | |
b5078f5d | 1170 | if(geom && !IsGoodCluster(cluster,geom,(AliVCaloCells*)event->GetEMCALCells())) continue; |
bb6f5f0b | 1171 | Float_t tmpR=-1, tmpZ=-1; |
1172 | if(!ExtrapolateTrackToCluster(trkPamTmp, cluster, tmpR, tmpZ)) continue; | |
1173 | if(tmpR>-1 && tmpR<dRMax) | |
1174 | { | |
1175 | dRMax=tmpR; | |
1176 | index=icl; | |
1177 | } | |
1178 | delete trkPamTmp; | |
1179 | }//cluster loop | |
1180 | return index; | |
1181 | } | |
1182 | ||
1183 | //________________________________________________________________________________ | |
1184 | Bool_t AliEMCALRecoUtils::ExtrapolateTrackToCluster(AliExternalTrackParam *trkParam, AliVCluster *cluster, Float_t &tmpR, Float_t &tmpZ) | |
1185 | { | |
1186 | // | |
1187 | //Return the residual by extrapolating a track to a cluster | |
1188 | // | |
1189 | if(!trkParam || !cluster) return kFALSE; | |
1190 | Float_t clsPos[3]; | |
1191 | Double_t trkPos[3]; | |
1192 | cluster->GetPosition(clsPos); //Has been recalculated | |
1193 | TVector3 vec(clsPos[0],clsPos[1],clsPos[2]); | |
1194 | Double_t alpha = ((int)(vec.Phi()*TMath::RadToDeg()/20)+0.5)*20*TMath::DegToRad(); | |
1195 | vec.RotateZ(-alpha); //Rotate the cluster to the local extrapolation coordinate system | |
1196 | trkParam->Rotate(alpha); //Rotate the track to the same local extrapolation system | |
1197 | if(!AliTrackerBase::PropagateTrackToBxByBz(trkParam, vec.X(), fMass, fStep,kFALSE)) return kFALSE; | |
1198 | trkParam->GetXYZ(trkPos); //Get the extrapolated global position | |
1199 | tmpR = TMath::Sqrt( TMath::Power(clsPos[0]-trkPos[0],2)+TMath::Power(clsPos[1]-trkPos[1],2)+TMath::Power(clsPos[2]-trkPos[2],2) ); | |
1200 | tmpZ = clsPos[2]-trkPos[2]; | |
1201 | return kTRUE; | |
1202 | } | |
1203 | ||
1204 | //________________________________________________________________________________ | |
1205 | void AliEMCALRecoUtils::GetMatchedResiduals(Int_t clsIndex, Float_t &dR, Float_t &dZ) | |
bd8c7aef | 1206 | { |
bb6f5f0b | 1207 | //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex) |
1208 | //Get the residuals dR and dZ for this cluster to the closest track | |
1209 | //Works with ESDs and AODs | |
bd8c7aef | 1210 | |
bb6f5f0b | 1211 | if( FindMatchedPosForCluster(clsIndex) >= 999 ) |
bd8c7aef | 1212 | { |
1213 | AliDebug(2,"No matched tracks found!\n"); | |
1214 | dR=999.; | |
1215 | dZ=999.; | |
1216 | return; | |
1217 | } | |
bb6f5f0b | 1218 | dR = fResidualR->At(FindMatchedPosForCluster(clsIndex)); |
1219 | dZ = fResidualZ->At(FindMatchedPosForCluster(clsIndex)); | |
1220 | } | |
1221 | //________________________________________________________________________________ | |
1222 | void AliEMCALRecoUtils::GetMatchedClusterResiduals(Int_t trkIndex, Float_t &dR, Float_t &dZ) | |
1223 | { | |
1224 | //Given a track index as in AliESDEvent::GetTrack(trkIndex) | |
1225 | //Get the residuals dR and dZ for this track to the closest cluster | |
1226 | //Works with ESDs and AODs | |
1227 | ||
1228 | if( FindMatchedPosForTrack(trkIndex) >= 999 ) | |
1229 | { | |
1230 | AliDebug(2,"No matched cluster found!\n"); | |
1231 | dR=999.; | |
1232 | dZ=999.; | |
1233 | return; | |
1234 | } | |
1235 | dR = fResidualR->At(FindMatchedPosForTrack(trkIndex)); | |
1236 | dZ = fResidualZ->At(FindMatchedPosForTrack(trkIndex)); | |
1237 | } | |
1238 | ||
1239 | //__________________________________________________________ | |
1240 | Int_t AliEMCALRecoUtils::GetMatchedTrackIndex(Int_t clsIndex) | |
1241 | { | |
1242 | //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex) | |
1243 | //Get the index of matched track to this cluster | |
1244 | //Works with ESDs and AODs | |
1245 | ||
1246 | if(IsClusterMatched(clsIndex)) | |
1247 | return fMatchedTrackIndex->At(FindMatchedPosForCluster(clsIndex)); | |
1248 | else | |
1249 | return -1; | |
bd8c7aef | 1250 | } |
1251 | ||
b540d03f | 1252 | //__________________________________________________________ |
bb6f5f0b | 1253 | Int_t AliEMCALRecoUtils::GetMatchedClusterIndex(Int_t trkIndex) |
b540d03f | 1254 | { |
bb6f5f0b | 1255 | //Given a track index as in AliESDEvent::GetTrack(trkIndex) |
1256 | //Get the index of matched cluster to this track | |
1257 | //Works with ESDs and AODs | |
b540d03f | 1258 | |
bb6f5f0b | 1259 | if(IsTrackMatched(trkIndex)) |
1260 | return fMatchedClusterIndex->At(FindMatchedPosForTrack(trkIndex)); | |
b540d03f | 1261 | else |
1262 | return -1; | |
1263 | } | |
1264 | ||
bb6f5f0b | 1265 | //__________________________________________________ |
1266 | Bool_t AliEMCALRecoUtils::IsClusterMatched(Int_t clsIndex) | |
1267 | { | |
1268 | //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex) | |
1269 | //Returns if the cluster has a match | |
1270 | if(FindMatchedPosForCluster(clsIndex) < 999) | |
1271 | return kTRUE; | |
1272 | else | |
1273 | return kFALSE; | |
1274 | } | |
b540d03f | 1275 | |
bd8c7aef | 1276 | //__________________________________________________ |
bb6f5f0b | 1277 | Bool_t AliEMCALRecoUtils::IsTrackMatched(Int_t trkIndex) |
bd8c7aef | 1278 | { |
bb6f5f0b | 1279 | //Given a track index as in AliESDEvent::GetTrack(trkIndex) |
1280 | //Returns if the track has a match | |
1281 | if(FindMatchedPosForTrack(trkIndex) < 999) | |
82d09e74 | 1282 | return kTRUE; |
bd8c7aef | 1283 | else |
1284 | return kFALSE; | |
1285 | } | |
bb6f5f0b | 1286 | |
b540d03f | 1287 | //__________________________________________________________ |
bb6f5f0b | 1288 | UInt_t AliEMCALRecoUtils::FindMatchedPosForCluster(Int_t clsIndex) const |
bd8c7aef | 1289 | { |
bb6f5f0b | 1290 | //Given a cluster index as in AliESDEvent::GetCaloCluster(clsIndex) |
bd8c7aef | 1291 | //Returns the position of the match in the fMatchedClusterIndex array |
1292 | Float_t tmpR = fCutR; | |
81efb149 | 1293 | UInt_t pos = 999; |
b540d03f | 1294 | |
bd8c7aef | 1295 | for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++) |
b540d03f | 1296 | { |
bb6f5f0b | 1297 | if(fMatchedClusterIndex->At(i)==clsIndex && fResidualR->At(i)<tmpR) |
1298 | { | |
1299 | pos=i; | |
1300 | tmpR=fResidualR->At(i); | |
1301 | AliDebug(3,Form("Matched cluster index: index: %d, dR: %2.4f, dZ: %2.4f.\n",fMatchedClusterIndex->At(i),fResidualR->At(i),fResidualZ->At(i))); | |
1302 | } | |
1303 | } | |
1304 | return pos; | |
1305 | } | |
1306 | ||
1307 | //__________________________________________________________ | |
1308 | UInt_t AliEMCALRecoUtils::FindMatchedPosForTrack(Int_t trkIndex) const | |
1309 | { | |
1310 | //Given a track index as in AliESDEvent::GetTrack(trkIndex) | |
1311 | //Returns the position of the match in the fMatchedTrackIndex array | |
1312 | Float_t tmpR = fCutR; | |
1313 | UInt_t pos = 999; | |
1314 | ||
1315 | for(Int_t i=0; i<fMatchedTrackIndex->GetSize(); i++) | |
1316 | { | |
1317 | if(fMatchedTrackIndex->At(i)==trkIndex && fResidualR->At(i)<tmpR) | |
bd8c7aef | 1318 | { |
b540d03f | 1319 | pos=i; |
1320 | tmpR=fResidualR->At(i); | |
bb6f5f0b | 1321 | AliDebug(3,Form("Matched track index: index: %d, dR: %2.4f, dZ: %2.4f.\n",fMatchedTrackIndex->At(i),fResidualR->At(i),fResidualZ->At(i))); |
bd8c7aef | 1322 | } |
b540d03f | 1323 | } |
bd8c7aef | 1324 | return pos; |
1325 | } | |
1326 | ||
b5078f5d | 1327 | //__________________________________________________________ |
1328 | Bool_t AliEMCALRecoUtils::IsGoodCluster(AliVCluster *cluster, AliEMCALGeometry *geom, AliVCaloCells* cells) | |
1329 | { | |
1330 | // check if the cluster survives some quality cut | |
1331 | // | |
1332 | // | |
1333 | Bool_t isGood=kTRUE; | |
08ff636b | 1334 | if(!cluster || !cluster->IsEMCAL()) return kFALSE; |
b5078f5d | 1335 | if(ClusterContainsBadChannel(geom,cluster->GetCellsAbsId(),cluster->GetNCells())) isGood=kFALSE; |
1336 | if(!CheckCellFiducialRegion(geom,cluster,cells)) isGood=kFALSE; | |
1337 | if(fRejectExoticCluster && IsExoticCluster(cluster)) isGood=kFALSE; | |
1338 | ||
1339 | return isGood; | |
1340 | } | |
1341 | ||
b540d03f | 1342 | //__________________________________________________________ |
bd8c7aef | 1343 | Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack) |
1344 | { | |
1345 | // Given a esd track, return whether the track survive all the cuts | |
1346 | ||
1347 | // The different quality parameter are first | |
1348 | // retrieved from the track. then it is found out what cuts the | |
1349 | // track did not survive and finally the cuts are imposed. | |
1350 | ||
1351 | UInt_t status = esdTrack->GetStatus(); | |
1352 | ||
1353 | Int_t nClustersITS = esdTrack->GetITSclusters(0); | |
1354 | Int_t nClustersTPC = esdTrack->GetTPCclusters(0); | |
1355 | ||
1356 | Float_t chi2PerClusterITS = -1; | |
1357 | Float_t chi2PerClusterTPC = -1; | |
1358 | if (nClustersITS!=0) | |
1359 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
1360 | if (nClustersTPC!=0) | |
1361 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); | |
82d09e74 | 1362 | |
1363 | ||
1364 | //DCA cuts | |
1365 | Float_t MaxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010() | |
1366 | //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep)); | |
1367 | SetMaxDCAToVertexXY(MaxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane | |
1368 | ||
1369 | ||
bd8c7aef | 1370 | Float_t b[2]; |
1371 | Float_t bCov[3]; | |
1372 | esdTrack->GetImpactParameters(b,bCov); | |
1373 | if (bCov[0]<=0 || bCov[2]<=0) { | |
1374 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
1375 | bCov[0]=0; bCov[2]=0; | |
1376 | } | |
1377 | ||
1378 | Float_t dcaToVertexXY = b[0]; | |
1379 | Float_t dcaToVertexZ = b[1]; | |
1380 | Float_t dcaToVertex = -1; | |
1381 | ||
1382 | if (fCutDCAToVertex2D) | |
1383 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ); | |
1384 | else | |
1385 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ); | |
1386 | ||
1387 | // cut the track? | |
1388 | ||
1389 | Bool_t cuts[kNCuts]; | |
1390 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
1391 | ||
1392 | // track quality cuts | |
1393 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) | |
1394 | cuts[0]=kTRUE; | |
1395 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) | |
1396 | cuts[1]=kTRUE; | |
1397 | if (nClustersTPC<fCutMinNClusterTPC) | |
1398 | cuts[2]=kTRUE; | |
1399 | if (nClustersITS<fCutMinNClusterITS) | |
1400 | cuts[3]=kTRUE; | |
1401 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) | |
1402 | cuts[4]=kTRUE; | |
1403 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) | |
1404 | cuts[5]=kTRUE; | |
1405 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) | |
1406 | cuts[6]=kTRUE; | |
1407 | if (fCutDCAToVertex2D && dcaToVertex > 1) | |
1408 | cuts[7] = kTRUE; | |
1409 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY) | |
1410 | cuts[8] = kTRUE; | |
1411 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ) | |
1412 | cuts[9] = kTRUE; | |
1413 | ||
82d09e74 | 1414 | //Require at least one SPD point + anything else in ITS |
1415 | if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE) | |
1416 | cuts[10] = kTRUE; | |
1417 | ||
bd8c7aef | 1418 | Bool_t cut=kFALSE; |
1419 | for (Int_t i=0; i<kNCuts; i++) | |
1420 | if (cuts[i]) {cut = kTRUE;} | |
1421 | ||
1422 | // cut the track | |
1423 | if (cut) | |
1424 | return kFALSE; | |
1425 | else | |
1426 | return kTRUE; | |
1427 | } | |
1428 | //__________________________________________________ | |
1429 | void AliEMCALRecoUtils::InitTrackCuts() | |
1430 | { | |
1431 | //Intilize the track cut criteria | |
82d09e74 | 1432 | //By default these cuts are set according to AliESDtrackCuts::GetStandardITSTPCTrackCuts2010() |
bd8c7aef | 1433 | //Also you can customize the cuts using the setters |
82d09e74 | 1434 | |
1435 | //TPC | |
1436 | SetMinNClustersTPC(70); | |
bd8c7aef | 1437 | SetMaxChi2PerClusterTPC(4); |
1438 | SetAcceptKinkDaughters(kFALSE); | |
82d09e74 | 1439 | SetRequireTPCRefit(kTRUE); |
1440 | ||
1441 | //ITS | |
1442 | SetRequireITSRefit(kTRUE); | |
1443 | SetMaxDCAToVertexZ(2); | |
1444 | SetDCAToVertex2D(kFALSE); | |
171be15c | 1445 | SetMaxChi2PerClusterITS(); //which by default sets the value to 1e10. |
1446 | SetMinNClustersITS(); | |
bd8c7aef | 1447 | } |
83bfd77a | 1448 | |
b540d03f | 1449 | //___________________________________________________ |
d9b3567c | 1450 | void AliEMCALRecoUtils::Print(const Option_t *) const |
1451 | { | |
1452 | // Print Parameters | |
1453 | ||
1454 | printf("AliEMCALRecoUtils Settings: \n"); | |
1455 | printf("Misalignment shifts\n"); | |
2a71e873 | 1456 | 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, |
1457 | fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2], | |
1458 | fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] ); | |
d9b3567c | 1459 | printf("Non linearity function %d, parameters:\n", fNonLinearityFunction); |
1460 | for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]); | |
094786cc | 1461 | |
1462 | printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration); | |
bd8c7aef | 1463 | |
1464 | printf("Matching criteria: dR < %2.2f[cm], dZ < %2.2f[cm]\n",fCutR,fCutZ); | |
bb6f5f0b | 1465 | printf("Mass hypothesis = %2.3f[GeV/c^2], extrapolation step = %2.2f[cm]\n",fMass,fStep); |
bd8c7aef | 1466 | |
1467 | printf("Track cuts: \n"); | |
bb6f5f0b | 1468 | printf("AOD track selection mask: %d\n",fAODFilterMask); |
bd8c7aef | 1469 | printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit); |
1470 | printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters); | |
1471 | printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS); | |
1472 | printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS); | |
1473 | printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ); | |
1474 | ||
d9b3567c | 1475 | } |
96957075 | 1476 | |
b540d03f | 1477 | //_____________________________________________________________________ |
96957075 | 1478 | void AliEMCALRecoUtils::SetTimeDependentCorrections(Int_t runnumber){ |
1479 | //Get EMCAL time dependent corrections from file and put them in the recalibration histograms | |
1480 | //Do it only once and only if it is requested | |
1481 | ||
1482 | if(!fUseTimeCorrectionFactors) return; | |
1483 | if(fTimeCorrectionFactorsSet) return; | |
1484 | ||
1485 | printf("AliEMCALRecoUtils::GetTimeDependentCorrections() - Get Correction Factors for Run number %d\n",runnumber); | |
1486 | ||
1487 | AliEMCALCalibTimeDepCorrection *corr = new AliEMCALCalibTimeDepCorrection(); | |
1488 | corr->ReadRootInfo(Form("CorrectionFiles/Run%d_Correction.root",runnumber)); | |
1489 | ||
1490 | SwitchOnRecalibration(); | |
1491 | for(Int_t ism = 0; ism < 4; ism++){ | |
1492 | for(Int_t icol = 0; icol < 48; icol++){ | |
1493 | for(Int_t irow = 0; irow < 24; irow++){ | |
1494 | Float_t orgRecalFactor = GetEMCALChannelRecalibrationFactors(ism)->GetBinContent(icol,irow); | |
1495 | Float_t newRecalFactor = orgRecalFactor*corr->GetCorrection(ism, icol,irow,0); | |
1496 | GetEMCALChannelRecalibrationFactors(ism)->SetBinContent(icol,irow,newRecalFactor); | |
1497 | //printf("ism %d, icol %d, irow %d, corrections : org %f, time dep %f, final %f (org*time %f)\n",ism, icol, irow, | |
1498 | // orgRecalFactor, corr->GetCorrection(ism, icol,irow,0), | |
1499 | // (GetEMCALChannelRecalibrationFactors(ism))->GetBinContent(icol,irow),newRecalFactor); | |
1500 | } | |
1501 | } | |
1502 | } | |
1503 | fTimeCorrectionFactorsSet = kTRUE; | |
1504 | } | |
1505 |