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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) | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | // --- standard c --- | |
28 | ||
29 | // standard C++ includes | |
30 | //#include <Riostream.h> | |
31 | ||
32 | // ROOT includes | |
094786cc | 33 | #include <TGeoManager.h> |
34 | #include <TGeoMatrix.h> | |
35 | #include <TGeoBBox.h> | |
d9b3567c | 36 | |
37 | // STEER includes | |
38 | #include "AliEMCALRecoUtils.h" | |
094786cc | 39 | #include "AliEMCALGeometry.h" |
d9b3567c | 40 | #include "AliVCluster.h" |
41 | #include "AliVCaloCells.h" | |
bd8c7aef | 42 | #include "AliVEvent.h" |
d9b3567c | 43 | #include "AliLog.h" |
83bfd77a | 44 | #include "AliEMCALPIDUtils.h" |
45 | #include "AliPID.h" | |
bd8c7aef | 46 | #include "AliESDEvent.h" |
47 | #include "AliESDtrack.h" | |
48 | #include "AliEMCALTrack.h" | |
d9b3567c | 49 | |
50 | ClassImp(AliEMCALRecoUtils) | |
51 | ||
52 | //______________________________________________ | |
53 | AliEMCALRecoUtils::AliEMCALRecoUtils(): | |
fd6df01c | 54 | fNonLinearityFunction (kNoCorrection), fParticleType(kPhoton), |
55 | fPosAlgo(kUnchanged),fW0(4.), | |
56 | fRecalibration(kFALSE), fEMCALRecalibrationFactors(), | |
78467229 | 57 | fRemoveBadChannels(kFALSE), fRecalDistToBadChannels(kFALSE), fEMCALBadChannelMap(), |
bd8c7aef | 58 | fNCellsFromEMCALBorder(0), fNoEMCALBorderAtEta0(kTRUE), |
1e4723b3 | 59 | fMatchedClusterIndex(0x0), fResidualZ(0x0), fResidualR(0x0), fCutR(20), fCutZ(20), |
bd8c7aef | 60 | fCutMinNClusterTPC(0), fCutMinNClusterITS(0), fCutMaxChi2PerClusterTPC(0), fCutMaxChi2PerClusterITS(0), |
61 | fCutRequireTPCRefit(0), fCutRequireITSRefit(0), fCutAcceptKinkDaughters(0), | |
62 | fCutMaxDCAToVertexXY(0), fCutMaxDCAToVertexZ(0),fCutDCAToVertex2D(0), | |
63 | fPIDUtils() | |
d9b3567c | 64 | { |
65 | // | |
66 | // Constructor. | |
67 | // Initialize all constant values which have to be used | |
68 | // during Reco algorithm execution | |
69 | // | |
70 | ||
fd6df01c | 71 | for(Int_t i = 0; i < 15 ; i++) { |
72 | fMisalTransShift[i] = 0.; | |
73 | fMisalRotShift[i] = 0.; | |
74 | } | |
d9b3567c | 75 | for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = 0.; |
fd6df01c | 76 | //For kPi0GammaGamma case, but default is no correction |
d9b3567c | 77 | fNonLinearityParams[0] = 0.1457/0.1349766/1.038; |
78 | fNonLinearityParams[1] = -0.02024/0.1349766/1.038; | |
79 | fNonLinearityParams[2] = 1.046; | |
bd8c7aef | 80 | |
81 | fMatchedClusterIndex = new TArrayI(); | |
82 | fResidualZ = new TArrayF(); | |
83 | fResidualR = new TArrayF(); | |
d9b3567c | 84 | |
83bfd77a | 85 | fPIDUtils = new AliEMCALPIDUtils(); |
86 | ||
bd8c7aef | 87 | InitTrackCuts(); |
88 | ||
d9b3567c | 89 | } |
90 | ||
91 | //______________________________________________________________________ | |
92 | AliEMCALRecoUtils::AliEMCALRecoUtils(const AliEMCALRecoUtils & reco) | |
094786cc | 93 | : TNamed(reco), fNonLinearityFunction(reco.fNonLinearityFunction), |
fd6df01c | 94 | fParticleType(reco.fParticleType), fPosAlgo(reco.fPosAlgo), fW0(reco.fW0), |
95 | fRecalibration(reco.fRecalibration),fEMCALRecalibrationFactors(reco.fEMCALRecalibrationFactors), | |
78467229 | 96 | fRemoveBadChannels(reco.fRemoveBadChannels),fRecalDistToBadChannels(reco.fRecalDistToBadChannels), |
97 | fEMCALBadChannelMap(reco.fEMCALBadChannelMap), | |
83bfd77a | 98 | fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder),fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0), |
bd8c7aef | 99 | fMatchedClusterIndex(reco.fMatchedClusterIndex?new TArrayI(*reco.fMatchedClusterIndex):0x0), |
100 | fResidualZ(reco.fResidualZ?new TArrayF(*reco.fResidualZ):0x0), | |
101 | fResidualR(reco.fResidualR?new TArrayF(*reco.fResidualR):0x0), | |
102 | fCutR(reco.fCutR),fCutZ(reco.fCutZ), | |
103 | fCutMinNClusterTPC(reco.fCutMinNClusterTPC), fCutMinNClusterITS(reco.fCutMinNClusterITS), | |
104 | fCutMaxChi2PerClusterTPC(reco.fCutMaxChi2PerClusterTPC), fCutMaxChi2PerClusterITS(reco.fCutMaxChi2PerClusterITS), | |
105 | fCutRequireTPCRefit(reco.fCutRequireTPCRefit), fCutRequireITSRefit(reco.fCutRequireITSRefit), | |
106 | fCutAcceptKinkDaughters(reco.fCutAcceptKinkDaughters), | |
107 | fCutMaxDCAToVertexXY(reco.fCutMaxDCAToVertexXY), fCutMaxDCAToVertexZ(reco.fCutMaxDCAToVertexZ),fCutDCAToVertex2D(reco.fCutDCAToVertex2D), | |
83bfd77a | 108 | fPIDUtils(reco.fPIDUtils) |
fd6df01c | 109 | |
d9b3567c | 110 | { |
111 | //Copy ctor | |
112 | ||
fd6df01c | 113 | for(Int_t i = 0; i < 15 ; i++) { |
114 | fMisalRotShift[i] = reco.fMisalRotShift[i]; | |
115 | fMisalTransShift[i] = reco.fMisalTransShift[i]; | |
116 | } | |
d9b3567c | 117 | for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i]; |
bd8c7aef | 118 | |
d9b3567c | 119 | } |
120 | ||
121 | ||
122 | //______________________________________________________________________ | |
123 | AliEMCALRecoUtils & AliEMCALRecoUtils::operator = (const AliEMCALRecoUtils & reco) | |
124 | { | |
125 | //Assignment operator | |
126 | ||
127 | if(this == &reco)return *this; | |
128 | ((TNamed *)this)->operator=(reco); | |
129 | ||
fd6df01c | 130 | fNonLinearityFunction = reco.fNonLinearityFunction; |
131 | fParticleType = reco.fParticleType; | |
132 | fPosAlgo = reco.fPosAlgo; | |
133 | fW0 = reco.fW0; | |
134 | fRecalibration = reco.fRecalibration; | |
094786cc | 135 | fEMCALRecalibrationFactors = reco.fEMCALRecalibrationFactors; |
fd6df01c | 136 | fRemoveBadChannels = reco.fRemoveBadChannels; |
78467229 | 137 | fRecalDistToBadChannels= reco.fRecalDistToBadChannels; |
fd6df01c | 138 | fEMCALBadChannelMap = reco.fEMCALBadChannelMap; |
139 | fNCellsFromEMCALBorder = reco.fNCellsFromEMCALBorder; | |
140 | fNoEMCALBorderAtEta0 = reco.fNoEMCALBorderAtEta0; | |
bd8c7aef | 141 | |
83bfd77a | 142 | |
2a71e873 | 143 | for(Int_t i = 0; i < 15 ; i++) {fMisalTransShift[i] = reco.fMisalTransShift[i]; fMisalRotShift[i] = reco.fMisalRotShift[i];} |
d9b3567c | 144 | for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i]; |
145 | ||
bd8c7aef | 146 | fCutR = reco.fCutR; |
147 | fCutZ = reco.fCutZ; | |
148 | ||
149 | fCutMinNClusterTPC = reco.fCutMinNClusterTPC; | |
150 | fCutMinNClusterITS = reco.fCutMinNClusterITS; | |
151 | fCutMaxChi2PerClusterTPC = reco.fCutMaxChi2PerClusterTPC; | |
152 | fCutMaxChi2PerClusterITS = reco.fCutMaxChi2PerClusterITS; | |
153 | fCutRequireTPCRefit = reco.fCutRequireTPCRefit; | |
154 | fCutRequireITSRefit = reco.fCutRequireITSRefit; | |
155 | fCutAcceptKinkDaughters = reco.fCutAcceptKinkDaughters; | |
156 | fCutMaxDCAToVertexXY = reco.fCutMaxDCAToVertexXY; | |
157 | fCutMaxDCAToVertexZ = reco.fCutMaxDCAToVertexZ; | |
158 | fCutDCAToVertex2D = reco.fCutDCAToVertex2D; | |
159 | ||
160 | fPIDUtils = reco.fPIDUtils; | |
161 | ||
162 | ||
163 | if(reco.fResidualR){ | |
164 | // assign or copy construct | |
165 | if(fResidualR){ | |
166 | *fResidualR = *reco.fResidualR; | |
167 | } | |
168 | else fResidualR = new TArrayF(*reco.fResidualR); | |
169 | } | |
170 | else{ | |
171 | if(fResidualR)delete fResidualR; | |
172 | fResidualR = 0; | |
173 | } | |
174 | ||
175 | if(reco.fResidualZ){ | |
176 | // assign or copy construct | |
177 | if(fResidualZ){ | |
178 | *fResidualZ = *reco.fResidualZ; | |
179 | } | |
180 | else fResidualZ = new TArrayF(*reco.fResidualZ); | |
181 | } | |
182 | else{ | |
183 | if(fResidualZ)delete fResidualZ; | |
184 | fResidualZ = 0; | |
185 | } | |
186 | ||
187 | ||
188 | if(reco.fMatchedClusterIndex){ | |
189 | // assign or copy construct | |
190 | if(fMatchedClusterIndex){ | |
191 | *fMatchedClusterIndex = *reco.fMatchedClusterIndex; | |
192 | } | |
193 | else fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex); | |
194 | } | |
195 | else{ | |
196 | if(fMatchedClusterIndex)delete fMatchedClusterIndex; | |
197 | fMatchedClusterIndex = 0; | |
198 | } | |
199 | ||
200 | ||
d9b3567c | 201 | return *this; |
202 | } | |
203 | ||
204 | ||
094786cc | 205 | //__________________________________________________ |
206 | AliEMCALRecoUtils::~AliEMCALRecoUtils() | |
207 | { | |
208 | //Destructor. | |
209 | ||
210 | if(fEMCALRecalibrationFactors) { | |
211 | fEMCALRecalibrationFactors->Clear(); | |
212 | delete fEMCALRecalibrationFactors; | |
213 | } | |
fd6df01c | 214 | |
215 | if(fEMCALBadChannelMap) { | |
216 | fEMCALBadChannelMap->Clear(); | |
217 | delete fEMCALBadChannelMap; | |
218 | } | |
bd8c7aef | 219 | |
220 | if(fMatchedClusterIndex) {delete fMatchedClusterIndex; fMatchedClusterIndex=0;} | |
221 | if(fResidualR) {delete fResidualR; fResidualR=0;} | |
222 | if(fResidualZ) {delete fResidualZ; fResidualZ=0;} | |
223 | ||
094786cc | 224 | } |
225 | ||
fd6df01c | 226 | //_______________________________________________________________ |
227 | Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(AliEMCALGeometry* geom, AliVCluster* cluster, AliVCaloCells* cells) | |
228 | { | |
229 | // Given the list of AbsId of the cluster, get the maximum cell and | |
230 | // check if there are fNCellsFromBorder from the calorimeter border | |
231 | ||
232 | //If the distance to the border is 0 or negative just exit accept all clusters | |
233 | if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE; | |
234 | ||
cb231979 | 235 | Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1; |
236 | Bool_t shared = kFALSE; | |
237 | GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi, shared); | |
fd6df01c | 238 | |
83bfd77a | 239 | AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n", |
240 | absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0)); | |
fd6df01c | 241 | |
242 | if(absIdMax==-1) return kFALSE; | |
243 | ||
244 | //Check if the cell is close to the borders: | |
245 | Bool_t okrow = kFALSE; | |
246 | Bool_t okcol = kFALSE; | |
247 | ||
248 | if(iSM < 0 || iphi < 0 || ieta < 0 ) { | |
249 | AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n", | |
250 | iSM,ieta,iphi)); | |
251 | } | |
252 | ||
253 | //Check rows/phi | |
254 | if(iSM < 10){ | |
255 | if(iphi >= fNCellsFromEMCALBorder && iphi < 24-fNCellsFromEMCALBorder) okrow =kTRUE; | |
256 | } | |
257 | else{ | |
258 | if(iphi >= fNCellsFromEMCALBorder && iphi < 12-fNCellsFromEMCALBorder) okrow =kTRUE; | |
259 | } | |
260 | ||
261 | //Check columns/eta | |
262 | if(!fNoEMCALBorderAtEta0){ | |
263 | if(ieta > fNCellsFromEMCALBorder && ieta < 48-fNCellsFromEMCALBorder) okcol =kTRUE; | |
264 | } | |
265 | else{ | |
266 | if(iSM%2==0){ | |
267 | if(ieta >= fNCellsFromEMCALBorder) okcol = kTRUE; | |
268 | } | |
269 | else { | |
270 | if(ieta < 48-fNCellsFromEMCALBorder) okcol = kTRUE; | |
271 | } | |
272 | }//eta 0 not checked | |
273 | ||
83bfd77a | 274 | AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq", |
fd6df01c | 275 | fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow)); |
276 | ||
83bfd77a | 277 | if (okcol && okrow) { |
278 | //printf("Accept\n"); | |
279 | return kTRUE; | |
280 | } | |
281 | else { | |
282 | //printf("Reject\n"); | |
283 | AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM)); | |
284 | return kFALSE; | |
285 | } | |
fd6df01c | 286 | |
287 | } | |
288 | ||
289 | ||
290 | //_________________________________________________________________________________________________________ | |
291 | Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(AliEMCALGeometry* geom, UShort_t* cellList, Int_t nCells){ | |
292 | // Check that in the cluster cells, there is no bad channel of those stored | |
293 | // in fEMCALBadChannelMap or fPHOSBadChannelMap | |
294 | ||
295 | if(!fRemoveBadChannels) return kFALSE; | |
296 | if(!fEMCALBadChannelMap) return kFALSE; | |
297 | ||
298 | Int_t icol = -1; | |
299 | Int_t irow = -1; | |
300 | Int_t imod = -1; | |
301 | for(Int_t iCell = 0; iCell<nCells; iCell++){ | |
302 | ||
303 | //Get the column and row | |
304 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
305 | geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta); | |
306 | if(fEMCALBadChannelMap->GetEntries() <= imod) continue; | |
307 | geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol); | |
83bfd77a | 308 | if(GetEMCALChannelStatus(imod, icol, irow)){ |
309 | AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow)); | |
310 | return kTRUE; | |
311 | } | |
fd6df01c | 312 | |
313 | }// cell cluster loop | |
314 | ||
315 | return kFALSE; | |
316 | ||
317 | } | |
094786cc | 318 | |
d9b3567c | 319 | //__________________________________________________ |
320 | Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster){ | |
321 | // Correct cluster energy from non linearity functions | |
322 | Float_t energy = cluster->E(); | |
323 | ||
324 | switch (fNonLinearityFunction) { | |
325 | ||
326 | case kPi0MC: | |
871aee7a | 327 | { |
d9b3567c | 328 | //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2))))) |
871aee7a | 329 | //Double_t fNonLinearityParams[0] = 1.001; |
330 | //Double_t fNonLinearityParams[1] = -0.01264; | |
331 | //Double_t fNonLinearityParams[2] = -0.03632; | |
332 | //Double_t fNonLinearityParams[3] = 0.1798; | |
333 | //Double_t fNonLinearityParams[4] = -0.522; | |
d9b3567c | 334 | energy /= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+ |
335 | ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())* | |
336 | exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3])))); | |
337 | break; | |
871aee7a | 338 | } |
d9b3567c | 339 | |
340 | case kPi0GammaGamma: | |
871aee7a | 341 | { |
d9b3567c | 342 | //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E)) |
871aee7a | 343 | //Double_t fNonLinearityParams[0] = 0.1457; |
344 | //Double_t fNonLinearityParams[1] = -0.02024; | |
345 | //Double_t fNonLinearityParams[2] = 1.046; | |
d9b3567c | 346 | energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function |
347 | break; | |
871aee7a | 348 | } |
d9b3567c | 349 | |
350 | case kPi0GammaConversion: | |
871aee7a | 351 | { |
d9b3567c | 352 | //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)]) |
871aee7a | 353 | //fNonLinearityParams[0] = 0.139393/0.1349766; |
354 | //fNonLinearityParams[1] = 0.0566186; | |
355 | //fNonLinearityParams[2] = 0.982133; | |
d9b3567c | 356 | energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); |
357 | ||
358 | break; | |
871aee7a | 359 | } |
360 | ||
361 | case kBeamTest: | |
362 | { | |
363 | //From beam test, Alexei's results, for different ZS thresholds | |
364 | // th=30 MeV; th = 45 MeV; th = 75 MeV | |
365 | //fNonLinearityParams[0] = 0.107; 1.003; 1.002 | |
366 | //fNonLinearityParams[1] = 0.894; 0.719; 0.797 | |
367 | //fNonLinearityParams[2] = 0.246; 0.334; 0.358 | |
368 | energy /= fNonLinearityParams[0]/(1+fNonLinearityParams[1]*exp(-energy/fNonLinearityParams[2])); | |
369 | ||
370 | break; | |
371 | } | |
d9b3567c | 372 | |
373 | case kNoCorrection: | |
374 | AliDebug(2,"No correction on the energy\n"); | |
375 | break; | |
376 | ||
377 | } | |
378 | ||
379 | return energy; | |
380 | ||
381 | } | |
382 | ||
383 | //__________________________________________________ | |
094786cc | 384 | Float_t AliEMCALRecoUtils::GetDepth(const Float_t energy, const Int_t iParticle, const Int_t iSM) const |
385 | { | |
386 | //Calculate shower depth for a given cluster energy and particle type | |
387 | ||
388 | // parameters | |
cb231979 | 389 | Float_t x0 = 1.31; |
094786cc | 390 | Float_t ecr = 8; |
391 | Float_t depth = 0; | |
392 | ||
393 | switch ( iParticle ) | |
394 | { | |
395 | case kPhoton: | |
fd6df01c | 396 | depth = x0 * (TMath::Log(energy*1000/ ecr) + 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 397 | break; |
398 | ||
399 | case kElectron: | |
fd6df01c | 400 | depth = x0 * (TMath::Log(energy*1000/ ecr) - 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 401 | break; |
402 | ||
403 | case kHadron: | |
404 | // hadron | |
405 | // boxes anc. here | |
406 | if(gGeoManager){ | |
407 | gGeoManager->cd("ALIC_1/XEN1_1"); | |
408 | TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode(); | |
409 | TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM)); | |
fd6df01c | 410 | if(geoSM){ |
411 | TGeoVolume *geoSMVol = geoSM->GetVolume(); | |
412 | TGeoShape *geoSMShape = geoSMVol->GetShape(); | |
413 | TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape); | |
414 | if(geoBox) depth = 0.5 * geoBox->GetDX()*2 ; | |
415 | else AliFatal("Null GEANT box"); | |
416 | }else AliFatal("NULL GEANT node matrix"); | |
094786cc | 417 | } |
418 | else{//electron | |
fd6df01c | 419 | depth = x0 * (TMath::Log(energy*1000 / ecr) - 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 420 | } |
421 | ||
422 | break; | |
423 | ||
424 | default://photon | |
fd6df01c | 425 | depth = x0 * (TMath::Log(energy*1000 / ecr) + 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 426 | } |
427 | ||
428 | return depth; | |
429 | ||
430 | } | |
431 | ||
432 | //__________________________________________________ | |
cb231979 | 433 | void AliEMCALRecoUtils::GetMaxEnergyCell(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu, |
434 | Int_t & absId, Int_t& iSupMod, Int_t& ieta, Int_t& iphi, Bool_t &shared) | |
d9b3567c | 435 | { |
436 | //For a given CaloCluster gets the absId of the cell | |
437 | //with maximum energy deposit. | |
438 | ||
439 | Double_t eMax = -1.; | |
440 | Double_t eCell = -1.; | |
094786cc | 441 | Float_t fraction = 1.; |
442 | Float_t recalFactor = 1.; | |
d9b3567c | 443 | Int_t cellAbsId = -1 ; |
094786cc | 444 | |
d9b3567c | 445 | Int_t iTower = -1; |
446 | Int_t iIphi = -1; | |
447 | Int_t iIeta = -1; | |
cb231979 | 448 | Int_t iSupMod0= -1; |
83bfd77a | 449 | //printf("---Max?\n"); |
d9b3567c | 450 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { |
094786cc | 451 | cellAbsId = clu->GetCellAbsId(iDig); |
452 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
83bfd77a | 453 | //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction); |
094786cc | 454 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off |
cb231979 | 455 | geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta); |
456 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta); | |
457 | if(iDig==0) iSupMod0=iSupMod; | |
458 | else if(iSupMod0!=iSupMod) { | |
459 | shared = kTRUE; | |
460 | //printf("AliEMCALRecoUtils::GetMaxEnergyCell() - SHARED CLUSTER\n"); | |
461 | } | |
094786cc | 462 | if(IsRecalibrationOn()) { |
094786cc | 463 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); |
464 | } | |
465 | eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor; | |
83bfd77a | 466 | //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction); |
094786cc | 467 | if(eCell > eMax) { |
d9b3567c | 468 | eMax = eCell; |
469 | absId = cellAbsId; | |
470 | //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell); | |
471 | } | |
472 | }// cell loop | |
473 | ||
474 | //Get from the absid the supermodule, tower and eta/phi numbers | |
475 | geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta); | |
476 | //Gives SuperModule and Tower numbers | |
477 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower, | |
83bfd77a | 478 | iIphi, iIeta,iphi,ieta); |
479 | //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi); | |
480 | //printf("Max end---\n"); | |
d9b3567c | 481 | |
482 | } | |
483 | ||
094786cc | 484 | //________________________________________________________________ |
485 | void AliEMCALRecoUtils::InitEMCALRecalibrationFactors(){ | |
486 | //Init EMCAL recalibration factors | |
487 | AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()"); | |
488 | //In order to avoid rewriting the same histograms | |
489 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
490 | TH1::AddDirectory(kFALSE); | |
491 | ||
cb231979 | 492 | fEMCALRecalibrationFactors = new TObjArray(10); |
094786cc | 493 | for (int i = 0; i < 12; i++) fEMCALRecalibrationFactors->Add(new TH2F(Form("EMCALRecalFactors_SM%d",i),Form("EMCALRecalFactors_SM%d",i), 48, 0, 48, 24, 0, 24)); |
494 | //Init the histograms with 1 | |
495 | for (Int_t sm = 0; sm < 12; sm++) { | |
496 | for (Int_t i = 0; i < 48; i++) { | |
497 | for (Int_t j = 0; j < 24; j++) { | |
498 | SetEMCALChannelRecalibrationFactor(sm,i,j,1.); | |
499 | } | |
500 | } | |
501 | } | |
502 | fEMCALRecalibrationFactors->SetOwner(kTRUE); | |
503 | fEMCALRecalibrationFactors->Compress(); | |
504 | ||
505 | //In order to avoid rewriting the same histograms | |
506 | TH1::AddDirectory(oldStatus); | |
507 | } | |
508 | ||
509 | ||
fd6df01c | 510 | //________________________________________________________________ |
511 | void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap(){ | |
512 | //Init EMCAL bad channels map | |
513 | AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()"); | |
514 | //In order to avoid rewriting the same histograms | |
515 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
516 | TH1::AddDirectory(kFALSE); | |
517 | ||
cb231979 | 518 | fEMCALBadChannelMap = new TObjArray(10); |
fd6df01c | 519 | //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24); |
6fe0e6d0 | 520 | for (int i = 0; i < 10; i++) { |
fd6df01c | 521 | fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24)); |
522 | } | |
523 | ||
524 | //delete hTemp; | |
525 | ||
526 | fEMCALBadChannelMap->SetOwner(kTRUE); | |
527 | fEMCALBadChannelMap->Compress(); | |
528 | ||
529 | //In order to avoid rewriting the same histograms | |
530 | TH1::AddDirectory(oldStatus); | |
531 | } | |
532 | ||
094786cc | 533 | //________________________________________________________________ |
534 | void AliEMCALRecoUtils::RecalibrateClusterEnergy(AliEMCALGeometry* geom, AliVCluster * cluster, AliVCaloCells * cells){ | |
535 | // Recalibrate the cluster energy, considering the recalibration map and the energy of the cells that compose the cluster. | |
536 | ||
537 | //Get the cluster number of cells and list of absId, check what kind of cluster do we have. | |
538 | UShort_t * index = cluster->GetCellsAbsId() ; | |
539 | Double_t * fraction = cluster->GetCellsAmplitudeFraction() ; | |
540 | Int_t ncells = cluster->GetNCells(); | |
541 | ||
542 | //Initialize some used variables | |
543 | Float_t energy = 0; | |
544 | Int_t absId = -1; | |
545 | Int_t icol = -1, irow = -1, imod=1; | |
546 | Float_t factor = 1, frac = 0; | |
547 | ||
548 | //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy | |
549 | for(Int_t icell = 0; icell < ncells; icell++){ | |
550 | absId = index[icell]; | |
551 | frac = fraction[icell]; | |
552 | if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off | |
553 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
554 | geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta); | |
555 | if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue; | |
556 | geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol); | |
557 | factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow); | |
558 | AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n", | |
559 | imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId))); | |
560 | ||
561 | energy += cells->GetCellAmplitude(absId)*factor*frac; | |
562 | } | |
563 | ||
564 | ||
565 | AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f\n",cluster->E(),energy)); | |
566 | ||
567 | cluster->SetE(energy); | |
568 | ||
569 | } | |
570 | ||
571 | ||
d9b3567c | 572 | //__________________________________________________ |
094786cc | 573 | void AliEMCALRecoUtils::RecalculateClusterPosition(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) |
d9b3567c | 574 | { |
575 | //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
576 | ||
094786cc | 577 | if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu); |
578 | else if(fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu); | |
fd6df01c | 579 | else AliDebug(2,"Algorithm to recalculate position not selected, do nothing."); |
094786cc | 580 | |
581 | } | |
582 | ||
583 | //__________________________________________________ | |
584 | void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) | |
585 | { | |
586 | // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
587 | // The algorithm is a copy of what is done in AliEMCALRecPoint | |
588 | ||
589 | Double_t eCell = 0.; | |
590 | Float_t fraction = 1.; | |
591 | Float_t recalFactor = 1.; | |
592 | ||
593 | Int_t absId = -1; | |
594 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
595 | Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1; | |
596 | Float_t weight = 0., totalWeight=0.; | |
597 | Float_t newPos[3] = {0,0,0}; | |
598 | Double_t pLocal[3], pGlobal[3]; | |
cb231979 | 599 | Bool_t shared = kFALSE; |
600 | ||
094786cc | 601 | Float_t clEnergy = clu->E(); //Energy already recalibrated previously |
cb231979 | 602 | GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared); |
094786cc | 603 | Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ; |
604 | ||
83bfd77a | 605 | //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth); |
606 | ||
094786cc | 607 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { |
608 | absId = clu->GetCellAbsId(iDig); | |
609 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
610 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
611 | geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta); | |
612 | geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta); | |
613 | ||
614 | if(IsRecalibrationOn()) { | |
615 | recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi); | |
616 | } | |
617 | eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor; | |
618 | ||
619 | weight = GetCellWeight(eCell,clEnergy); | |
83bfd77a | 620 | //printf("cell energy %f, weight %f\n",eCell,weight); |
094786cc | 621 | totalWeight += weight; |
622 | geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]); | |
83bfd77a | 623 | //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId); |
094786cc | 624 | geom->GetGlobal(pLocal,pGlobal,iSupModMax); |
83bfd77a | 625 | //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]); |
626 | ||
094786cc | 627 | for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]); |
628 | ||
629 | }// cell loop | |
630 | ||
631 | if(totalWeight>0){ | |
632 | for(int i=0; i<3; i++ ) newPos[i] /= totalWeight; | |
633 | } | |
634 | ||
094786cc | 635 | //Float_t pos[]={0,0,0}; |
636 | //clu->GetPosition(pos); | |
637 | //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]); | |
83bfd77a | 638 | //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]); |
094786cc | 639 | |
640 | if(iSupModMax > 1) {//sector 1 | |
641 | newPos[0] +=fMisalTransShift[3];//-=3.093; | |
642 | newPos[1] +=fMisalTransShift[4];//+=6.82; | |
643 | newPos[2] +=fMisalTransShift[5];//+=1.635; | |
83bfd77a | 644 | //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]); |
645 | ||
094786cc | 646 | } |
647 | else {//sector 0 | |
648 | newPos[0] +=fMisalTransShift[0];//+=1.134; | |
649 | newPos[1] +=fMisalTransShift[1];//+=8.2; | |
650 | newPos[2] +=fMisalTransShift[2];//+=1.197; | |
83bfd77a | 651 | //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]); |
652 | ||
094786cc | 653 | } |
83bfd77a | 654 | //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]); |
655 | ||
094786cc | 656 | clu->SetPosition(newPos); |
657 | ||
094786cc | 658 | } |
659 | ||
660 | //__________________________________________________ | |
661 | void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) | |
662 | { | |
663 | // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
664 | // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position | |
665 | ||
666 | Double_t eCell = 1.; | |
667 | Float_t fraction = 1.; | |
668 | Float_t recalFactor = 1.; | |
669 | ||
670 | Int_t absId = -1; | |
d9b3567c | 671 | Int_t iTower = -1; |
094786cc | 672 | Int_t iIphi = -1, iIeta = -1; |
673 | Int_t iSupMod = -1, iSupModMax = -1; | |
d9b3567c | 674 | Int_t iphi = -1, ieta =-1; |
cb231979 | 675 | Bool_t shared = kFALSE; |
676 | ||
d9b3567c | 677 | Float_t clEnergy = clu->E(); //Energy already recalibrated previously. |
cb231979 | 678 | GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi,shared); |
094786cc | 679 | Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ; |
680 | ||
d9b3567c | 681 | Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.; |
094786cc | 682 | Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now |
683 | Int_t startingSM = -1; | |
d9b3567c | 684 | |
685 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { | |
094786cc | 686 | absId = clu->GetCellAbsId(iDig); |
687 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
688 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
689 | geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta); | |
d9b3567c | 690 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta); |
094786cc | 691 | |
d9b3567c | 692 | if (iDig==0) startingSM = iSupMod; |
693 | else if(iSupMod != startingSM) areInSameSM = kFALSE; | |
094786cc | 694 | |
695 | eCell = cells->GetCellAmplitude(absId); | |
d9b3567c | 696 | |
094786cc | 697 | if(IsRecalibrationOn()) { |
698 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
699 | } | |
700 | eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor; | |
d9b3567c | 701 | |
094786cc | 702 | weight = GetCellWeight(eCell,clEnergy); |
d9b3567c | 703 | if(weight < 0) weight = 0; |
704 | totalWeight += weight; | |
705 | weightedCol += ieta*weight; | |
706 | weightedRow += iphi*weight; | |
707 | ||
708 | //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ; | |
709 | ||
094786cc | 710 | }// cell loop |
711 | ||
d9b3567c | 712 | Float_t xyzNew[]={0.,0.,0.}; |
713 | if(areInSameSM == kTRUE) { | |
714 | //printf("In Same SM\n"); | |
715 | weightedCol = weightedCol/totalWeight; | |
716 | weightedRow = weightedRow/totalWeight; | |
094786cc | 717 | geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew); |
d9b3567c | 718 | } |
719 | else { | |
720 | //printf("In Different SM\n"); | |
094786cc | 721 | geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew); |
d9b3567c | 722 | } |
d9b3567c | 723 | |
094786cc | 724 | clu->SetPosition(xyzNew); |
d9b3567c | 725 | |
726 | } | |
727 | ||
cb231979 | 728 | //____________________________________________________________________________ |
729 | void AliEMCALRecoUtils::RecalculateClusterDistanceToBadChannel(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster){ | |
730 | ||
731 | //re-evaluate distance to bad channel with updated bad map | |
732 | ||
78467229 | 733 | if(!fRecalDistToBadChannels) return; |
cb231979 | 734 | |
735 | //Get channels map of the supermodule where the cluster is. | |
cb231979 | 736 | Int_t absIdMax = -1, iSupMod =-1, icolM = -1, irowM = -1; |
737 | Bool_t shared = kFALSE; | |
738 | GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSupMod, icolM, irowM, shared); | |
739 | TH2D* hMap = (TH2D*)fEMCALBadChannelMap->At(iSupMod); | |
740 | ||
741 | Int_t dRrow, dRcol; | |
742 | Float_t minDist = 10000.; | |
743 | Float_t dist = 0.; | |
744 | ||
745 | //Loop on tower status map | |
746 | for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){ | |
747 | for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){ | |
748 | //Check if tower is bad. | |
749 | if(hMap->GetBinContent(icol,irow)==0) continue; | |
750 | //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 | 751 | // iSupMod,icol, irow, icolM,irowM); |
cb231979 | 752 | |
753 | dRrow=TMath::Abs(irowM-irow); | |
754 | dRcol=TMath::Abs(icolM-icol); | |
755 | dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol); | |
756 | if(dist < minDist){ | |
757 | //printf("MIN DISTANCE TO BAD %2.2f\n",dist); | |
758 | minDist = dist; | |
759 | } | |
760 | ||
761 | } | |
762 | } | |
763 | ||
764 | //In case the cluster is shared by 2 SuperModules, need to check the map of the second Super Module | |
765 | if (shared) { | |
766 | TH2D* hMap2 = 0; | |
767 | Int_t iSupMod2 = -1; | |
768 | ||
769 | //The only possible combinations are (0,1), (2,3) ... (8,9) | |
770 | if(iSupMod%2) iSupMod2 = iSupMod-1; | |
771 | else iSupMod2 = iSupMod+1; | |
772 | hMap2 = (TH2D*)fEMCALBadChannelMap->At(iSupMod2); | |
773 | ||
774 | //Loop on tower status map of second super module | |
775 | for(Int_t irow = 0; irow < AliEMCALGeoParams::fgkEMCALRows; irow++){ | |
776 | for(Int_t icol = 0; icol < AliEMCALGeoParams::fgkEMCALCols; icol++){ | |
777 | //Check if tower is bad. | |
778 | if(hMap2->GetBinContent(icol,irow)==0) continue; | |
779 | //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", | |
780 | // iSupMod2,icol, irow,iSupMod,icolM,irowM); | |
781 | ||
782 | dRrow=TMath::Abs(irow-irowM); | |
783 | ||
784 | if(iSupMod%2) { | |
785 | dRcol=TMath::Abs(icol-(AliEMCALGeoParams::fgkEMCALCols+icolM)); | |
786 | } | |
787 | else { | |
788 | dRcol=TMath::Abs(AliEMCALGeoParams::fgkEMCALCols+icol-icolM); | |
789 | } | |
790 | ||
791 | dist=TMath::Sqrt(dRrow*dRrow+dRcol*dRcol); | |
792 | if(dist < minDist) minDist = dist; | |
793 | ||
794 | } | |
795 | } | |
796 | ||
797 | }// shared cluster in 2 SuperModules | |
78467229 | 798 | |
6fe0e6d0 | 799 | AliDebug(2,Form("Max cluster cell (SM,col,row)=(%d %d %d) - Distance to Bad Channel %2.2f",iSupMod, icolM, irowM, minDist)); |
800 | cluster->SetDistanceToBadChannel(minDist); | |
cb231979 | 801 | |
802 | } | |
803 | ||
83bfd77a | 804 | //____________________________________________________________________________ |
805 | void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster){ | |
806 | ||
807 | //re-evaluate identification parameters with bayesian | |
808 | ||
809 | if ( cluster->GetM02() != 0) | |
810 | fPIDUtils->ComputePID(cluster->E(),cluster->GetM02()); | |
811 | ||
812 | Float_t pidlist[AliPID::kSPECIESN+1]; | |
813 | for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i); | |
814 | ||
815 | cluster->SetPID(pidlist); | |
816 | ||
817 | } | |
818 | ||
819 | //____________________________________________________________________________ | |
820 | void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster) | |
821 | { | |
822 | // Calculates new center of gravity in the local EMCAL-module coordinates | |
823 | // and tranfers into global ALICE coordinates | |
824 | // Calculates Dispersion and main axis | |
825 | ||
826 | Int_t nstat = 0; | |
827 | Float_t wtot = 0. ; | |
828 | Double_t eCell = 0.; | |
829 | Float_t fraction = 1.; | |
830 | Float_t recalFactor = 1.; | |
831 | ||
832 | Int_t iSupMod = -1; | |
833 | Int_t iTower = -1; | |
834 | Int_t iIphi = -1; | |
835 | Int_t iIeta = -1; | |
836 | Int_t iphi = -1; | |
837 | Int_t ieta = -1; | |
838 | Double_t etai = -1.; | |
839 | Double_t phii = -1.; | |
840 | ||
841 | Double_t w = 0.; | |
842 | Double_t d = 0.; | |
843 | Double_t dxx = 0.; | |
844 | Double_t dzz = 0.; | |
845 | Double_t dxz = 0.; | |
846 | Double_t xmean = 0.; | |
847 | Double_t zmean = 0.; | |
848 | ||
849 | //Loop on cells | |
850 | for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) { | |
851 | ||
852 | //Get from the absid the supermodule, tower and eta/phi numbers | |
853 | geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta); | |
854 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta); | |
855 | ||
856 | //Get the cell energy, if recalibration is on, apply factors | |
857 | fraction = cluster->GetCellAmplitudeFraction(iDigit); | |
858 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
859 | if(IsRecalibrationOn()) { | |
860 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
861 | } | |
862 | eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor; | |
863 | ||
864 | if(cluster->E() > 0 && eCell > 0){ | |
865 | ||
866 | w = GetCellWeight(eCell,cluster->E()); | |
867 | ||
868 | etai=(Double_t)ieta; | |
869 | phii=(Double_t)iphi; | |
870 | if(w > 0.0) { | |
871 | wtot += w ; | |
872 | nstat++; | |
873 | //Shower shape | |
874 | dxx += w * etai * etai ; | |
875 | xmean+= w * etai ; | |
876 | dzz += w * phii * phii ; | |
877 | zmean+= w * phii ; | |
878 | dxz += w * etai * phii ; | |
879 | } | |
880 | } | |
881 | else | |
882 | AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E())); | |
883 | }//cell loop | |
884 | ||
885 | //Normalize to the weight | |
886 | if (wtot > 0) { | |
887 | xmean /= wtot ; | |
888 | zmean /= wtot ; | |
889 | } | |
890 | else | |
891 | AliError(Form("Wrong weight %f\n", wtot)); | |
892 | ||
893 | //Calculate dispersion | |
894 | for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) { | |
895 | ||
896 | //Get from the absid the supermodule, tower and eta/phi numbers | |
897 | geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta); | |
898 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta); | |
899 | ||
900 | //Get the cell energy, if recalibration is on, apply factors | |
901 | fraction = cluster->GetCellAmplitudeFraction(iDigit); | |
902 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
903 | if(IsRecalibrationOn()) { | |
904 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
905 | } | |
906 | eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor; | |
907 | ||
908 | if(cluster->E() > 0 && eCell > 0){ | |
909 | ||
910 | w = GetCellWeight(eCell,cluster->E()); | |
911 | ||
912 | etai=(Double_t)ieta; | |
913 | phii=(Double_t)iphi; | |
914 | if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean)); | |
915 | } | |
916 | else | |
917 | AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E())); | |
918 | }// cell loop | |
919 | ||
920 | //Normalize to the weigth and set shower shape parameters | |
921 | if (wtot > 0 && nstat > 1) { | |
922 | d /= wtot ; | |
923 | dxx /= wtot ; | |
924 | dzz /= wtot ; | |
925 | dxz /= wtot ; | |
926 | dxx -= xmean * xmean ; | |
927 | dzz -= zmean * zmean ; | |
928 | dxz -= xmean * zmean ; | |
929 | cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz )); | |
930 | cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz )); | |
931 | } | |
932 | else{ | |
933 | d=0. ; | |
934 | cluster->SetM20(0.) ; | |
935 | cluster->SetM02(0.) ; | |
936 | } | |
937 | ||
938 | if (d>=0) | |
939 | cluster->SetDispersion(TMath::Sqrt(d)) ; | |
940 | else | |
941 | cluster->SetDispersion(0) ; | |
942 | ||
943 | } | |
944 | ||
bd8c7aef | 945 | //__________________________________________________ |
946 | void AliEMCALRecoUtils::FindMatches(AliVEvent *event) | |
947 | { | |
948 | //This function should be called before the cluster loop | |
949 | //Before call this function, please recalculate the cluster positions | |
950 | //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR | |
951 | //Store matched cluster indexes and residuals | |
952 | //It only works with ESDs, not AODs | |
953 | ||
954 | fMatchedClusterIndex->Reset(); | |
955 | fResidualZ->Reset(); | |
956 | fResidualR->Reset(); | |
957 | ||
958 | fMatchedClusterIndex->Set(100); | |
959 | fResidualZ->Set(100); | |
960 | fResidualR->Set(100); | |
961 | ||
962 | Int_t matched=0; | |
963 | Float_t clsPos[3]; | |
964 | Double_t trkPos[3]; | |
965 | for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++) | |
966 | { | |
967 | AliESDtrack *track = ((AliESDEvent*)event)->GetTrack(itr); | |
968 | if(!track || !IsAccepted(track)) continue; | |
969 | ||
970 | Float_t dRMax = fCutR, dZMax = fCutZ; | |
971 | Int_t index = -1; | |
972 | AliEMCALTrack *emctrack = new AliEMCALTrack(*track); | |
973 | for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++) | |
974 | { | |
975 | AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl); | |
976 | if(!cluster->IsEMCAL()) continue; | |
977 | cluster->GetPosition(clsPos); //Has been recalculated | |
978 | if(!emctrack->PropagateToGlobal(clsPos[0],clsPos[1],clsPos[2],0.,0.) ) continue; | |
979 | emctrack->GetXYZ(trkPos); | |
980 | Float_t tmpR = TMath::Sqrt( TMath::Power(clsPos[0]-trkPos[0],2)+TMath::Power(clsPos[1]-trkPos[1],2)+TMath::Power(clsPos[2]-trkPos[2],2) ); | |
981 | Float_t tmpZ = TMath::Abs(clsPos[2]-trkPos[2]); | |
982 | ||
983 | if(tmpR<dRMax) | |
984 | { | |
985 | dRMax=tmpR; | |
986 | dZMax=tmpZ; | |
987 | index=icl; | |
988 | } | |
989 | ||
990 | }//cluser loop | |
991 | ||
992 | if(index>-1) | |
993 | { | |
994 | fMatchedClusterIndex->AddAt(index,matched); | |
995 | fResidualZ->AddAt(dZMax,matched); | |
996 | fResidualR->AddAt(dRMax,matched); | |
997 | matched++; | |
998 | } | |
999 | delete emctrack; | |
1000 | }//track loop | |
1001 | fMatchedClusterIndex->Set(matched); | |
1002 | fResidualZ->Set(matched); | |
1003 | fResidualR->Set(matched); | |
1004 | ||
1005 | //printf("Number of matched pairs: %d\n",matched); | |
1006 | } | |
1007 | ||
1008 | //__________________________________________________ | |
1009 | void AliEMCALRecoUtils::GetMatchedResiduals(Int_t index, Float_t &dR, Float_t &dZ) | |
1010 | { | |
1011 | //Given a cluster index as in AliESDEvent::GetCaloCluster(index) | |
1012 | //Get the residuals dR and dZ for this cluster | |
1013 | //It only works with ESDs, not AODs | |
1014 | ||
81efb149 | 1015 | if( FindMatchedPos(index) >= 999 ) |
bd8c7aef | 1016 | { |
1017 | AliDebug(2,"No matched tracks found!\n"); | |
1018 | dR=999.; | |
1019 | dZ=999.; | |
1020 | return; | |
1021 | } | |
1022 | dR = fResidualR->At(FindMatchedPos(index)); | |
1023 | dZ = fResidualZ->At(FindMatchedPos(index)); | |
1024 | } | |
1025 | ||
1026 | //__________________________________________________ | |
1027 | Bool_t AliEMCALRecoUtils::IsMatched(Int_t index) | |
1028 | { | |
1029 | //Given a cluster index as in AliESDEvent::GetCaloCluster(index) | |
1030 | //Returns if cluster has a match | |
81efb149 | 1031 | if(FindMatchedPos(index) < 999) |
82d09e74 | 1032 | return kTRUE; |
bd8c7aef | 1033 | else |
1034 | return kFALSE; | |
1035 | } | |
1036 | //__________________________________________________ | |
81efb149 | 1037 | UInt_t AliEMCALRecoUtils::FindMatchedPos(Int_t index) const |
bd8c7aef | 1038 | { |
1039 | //Given a cluster index as in AliESDEvent::GetCaloCluster(index) | |
1040 | //Returns the position of the match in the fMatchedClusterIndex array | |
1041 | Float_t tmpR = fCutR; | |
81efb149 | 1042 | UInt_t pos = 999; |
bd8c7aef | 1043 | |
1044 | for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++) | |
1045 | { | |
1046 | if(fMatchedClusterIndex->At(i)==index && fResidualR->At(i)<tmpR) | |
1047 | { | |
1048 | pos=i; | |
1049 | tmpR=fResidualR->At(i); | |
1050 | } | |
82d09e74 | 1051 | AliDebug(3,Form("Matched cluster pos: %d, index: %d, dR: %2.4f, dZ: %2.4f.\n",i,fMatchedClusterIndex->At(i),fResidualR->At(i),fResidualZ->At(i))); |
bd8c7aef | 1052 | } |
1053 | return pos; | |
1054 | } | |
1055 | ||
1056 | Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack) | |
1057 | { | |
1058 | // Given a esd track, return whether the track survive all the cuts | |
1059 | ||
1060 | // The different quality parameter are first | |
1061 | // retrieved from the track. then it is found out what cuts the | |
1062 | // track did not survive and finally the cuts are imposed. | |
1063 | ||
1064 | UInt_t status = esdTrack->GetStatus(); | |
1065 | ||
1066 | Int_t nClustersITS = esdTrack->GetITSclusters(0); | |
1067 | Int_t nClustersTPC = esdTrack->GetTPCclusters(0); | |
1068 | ||
1069 | Float_t chi2PerClusterITS = -1; | |
1070 | Float_t chi2PerClusterTPC = -1; | |
1071 | if (nClustersITS!=0) | |
1072 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
1073 | if (nClustersTPC!=0) | |
1074 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); | |
82d09e74 | 1075 | |
1076 | ||
1077 | //DCA cuts | |
1078 | Float_t MaxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010() | |
1079 | //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep)); | |
1080 | SetMaxDCAToVertexXY(MaxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane | |
1081 | ||
1082 | ||
bd8c7aef | 1083 | Float_t b[2]; |
1084 | Float_t bCov[3]; | |
1085 | esdTrack->GetImpactParameters(b,bCov); | |
1086 | if (bCov[0]<=0 || bCov[2]<=0) { | |
1087 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
1088 | bCov[0]=0; bCov[2]=0; | |
1089 | } | |
1090 | ||
1091 | Float_t dcaToVertexXY = b[0]; | |
1092 | Float_t dcaToVertexZ = b[1]; | |
1093 | Float_t dcaToVertex = -1; | |
1094 | ||
1095 | if (fCutDCAToVertex2D) | |
1096 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ); | |
1097 | else | |
1098 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ); | |
1099 | ||
1100 | // cut the track? | |
1101 | ||
1102 | Bool_t cuts[kNCuts]; | |
1103 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
1104 | ||
1105 | // track quality cuts | |
1106 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) | |
1107 | cuts[0]=kTRUE; | |
1108 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) | |
1109 | cuts[1]=kTRUE; | |
1110 | if (nClustersTPC<fCutMinNClusterTPC) | |
1111 | cuts[2]=kTRUE; | |
1112 | if (nClustersITS<fCutMinNClusterITS) | |
1113 | cuts[3]=kTRUE; | |
1114 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) | |
1115 | cuts[4]=kTRUE; | |
1116 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) | |
1117 | cuts[5]=kTRUE; | |
1118 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) | |
1119 | cuts[6]=kTRUE; | |
1120 | if (fCutDCAToVertex2D && dcaToVertex > 1) | |
1121 | cuts[7] = kTRUE; | |
1122 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY) | |
1123 | cuts[8] = kTRUE; | |
1124 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ) | |
1125 | cuts[9] = kTRUE; | |
1126 | ||
82d09e74 | 1127 | //Require at least one SPD point + anything else in ITS |
1128 | if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE) | |
1129 | cuts[10] = kTRUE; | |
1130 | ||
bd8c7aef | 1131 | Bool_t cut=kFALSE; |
1132 | for (Int_t i=0; i<kNCuts; i++) | |
1133 | if (cuts[i]) {cut = kTRUE;} | |
1134 | ||
1135 | // cut the track | |
1136 | if (cut) | |
1137 | return kFALSE; | |
1138 | else | |
1139 | return kTRUE; | |
1140 | } | |
1141 | //__________________________________________________ | |
1142 | void AliEMCALRecoUtils::InitTrackCuts() | |
1143 | { | |
1144 | //Intilize the track cut criteria | |
82d09e74 | 1145 | //By default these cuts are set according to AliESDtrackCuts::GetStandardITSTPCTrackCuts2010() |
bd8c7aef | 1146 | //Also you can customize the cuts using the setters |
82d09e74 | 1147 | |
1148 | //TPC | |
1149 | SetMinNClustersTPC(70); | |
bd8c7aef | 1150 | SetMaxChi2PerClusterTPC(4); |
1151 | SetAcceptKinkDaughters(kFALSE); | |
82d09e74 | 1152 | SetRequireTPCRefit(kTRUE); |
1153 | ||
1154 | //ITS | |
1155 | SetRequireITSRefit(kTRUE); | |
1156 | SetMaxDCAToVertexZ(2); | |
1157 | SetDCAToVertex2D(kFALSE); | |
bd8c7aef | 1158 | } |
83bfd77a | 1159 | |
d9b3567c | 1160 | //__________________________________________________ |
1161 | void AliEMCALRecoUtils::Print(const Option_t *) const | |
1162 | { | |
1163 | // Print Parameters | |
1164 | ||
1165 | printf("AliEMCALRecoUtils Settings: \n"); | |
1166 | printf("Misalignment shifts\n"); | |
2a71e873 | 1167 | 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, |
1168 | fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2], | |
1169 | fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] ); | |
d9b3567c | 1170 | printf("Non linearity function %d, parameters:\n", fNonLinearityFunction); |
1171 | for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]); | |
094786cc | 1172 | |
1173 | printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration); | |
bd8c7aef | 1174 | |
1175 | printf("Matching criteria: dR < %2.2f[cm], dZ < %2.2f[cm]\n",fCutR,fCutZ); | |
1176 | ||
1177 | printf("Track cuts: \n"); | |
1178 | printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit); | |
1179 | printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters); | |
1180 | printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS); | |
1181 | printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS); | |
1182 | printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ); | |
1183 | ||
d9b3567c | 1184 | |
1185 | } |