]>
Commit | Line | Data |
---|---|---|
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(), | |
bd8c7aef | 57 | fRemoveBadChannels(kFALSE), fEMCALBadChannelMap(), |
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), | |
96 | fRemoveBadChannels(reco.fRemoveBadChannels),fEMCALBadChannelMap(reco.fEMCALBadChannelMap), | |
83bfd77a | 97 | fNCellsFromEMCALBorder(reco.fNCellsFromEMCALBorder),fNoEMCALBorderAtEta0(reco.fNoEMCALBorderAtEta0), |
bd8c7aef | 98 | fMatchedClusterIndex(reco.fMatchedClusterIndex?new TArrayI(*reco.fMatchedClusterIndex):0x0), |
99 | fResidualZ(reco.fResidualZ?new TArrayF(*reco.fResidualZ):0x0), | |
100 | fResidualR(reco.fResidualR?new TArrayF(*reco.fResidualR):0x0), | |
101 | fCutR(reco.fCutR),fCutZ(reco.fCutZ), | |
102 | fCutMinNClusterTPC(reco.fCutMinNClusterTPC), fCutMinNClusterITS(reco.fCutMinNClusterITS), | |
103 | fCutMaxChi2PerClusterTPC(reco.fCutMaxChi2PerClusterTPC), fCutMaxChi2PerClusterITS(reco.fCutMaxChi2PerClusterITS), | |
104 | fCutRequireTPCRefit(reco.fCutRequireTPCRefit), fCutRequireITSRefit(reco.fCutRequireITSRefit), | |
105 | fCutAcceptKinkDaughters(reco.fCutAcceptKinkDaughters), | |
106 | fCutMaxDCAToVertexXY(reco.fCutMaxDCAToVertexXY), fCutMaxDCAToVertexZ(reco.fCutMaxDCAToVertexZ),fCutDCAToVertex2D(reco.fCutDCAToVertex2D), | |
83bfd77a | 107 | fPIDUtils(reco.fPIDUtils) |
fd6df01c | 108 | |
d9b3567c | 109 | { |
110 | //Copy ctor | |
111 | ||
fd6df01c | 112 | for(Int_t i = 0; i < 15 ; i++) { |
113 | fMisalRotShift[i] = reco.fMisalRotShift[i]; | |
114 | fMisalTransShift[i] = reco.fMisalTransShift[i]; | |
115 | } | |
d9b3567c | 116 | for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i]; |
bd8c7aef | 117 | |
d9b3567c | 118 | } |
119 | ||
120 | ||
121 | //______________________________________________________________________ | |
122 | AliEMCALRecoUtils & AliEMCALRecoUtils::operator = (const AliEMCALRecoUtils & reco) | |
123 | { | |
124 | //Assignment operator | |
125 | ||
126 | if(this == &reco)return *this; | |
127 | ((TNamed *)this)->operator=(reco); | |
128 | ||
fd6df01c | 129 | fNonLinearityFunction = reco.fNonLinearityFunction; |
130 | fParticleType = reco.fParticleType; | |
131 | fPosAlgo = reco.fPosAlgo; | |
132 | fW0 = reco.fW0; | |
133 | fRecalibration = reco.fRecalibration; | |
094786cc | 134 | fEMCALRecalibrationFactors = reco.fEMCALRecalibrationFactors; |
fd6df01c | 135 | fRemoveBadChannels = reco.fRemoveBadChannels; |
136 | fEMCALBadChannelMap = reco.fEMCALBadChannelMap; | |
137 | fNCellsFromEMCALBorder = reco.fNCellsFromEMCALBorder; | |
138 | fNoEMCALBorderAtEta0 = reco.fNoEMCALBorderAtEta0; | |
bd8c7aef | 139 | |
83bfd77a | 140 | |
2a71e873 | 141 | for(Int_t i = 0; i < 15 ; i++) {fMisalTransShift[i] = reco.fMisalTransShift[i]; fMisalRotShift[i] = reco.fMisalRotShift[i];} |
d9b3567c | 142 | for(Int_t i = 0; i < 6 ; i++) fNonLinearityParams[i] = reco.fNonLinearityParams[i]; |
143 | ||
bd8c7aef | 144 | fCutR = reco.fCutR; |
145 | fCutZ = reco.fCutZ; | |
146 | ||
147 | fCutMinNClusterTPC = reco.fCutMinNClusterTPC; | |
148 | fCutMinNClusterITS = reco.fCutMinNClusterITS; | |
149 | fCutMaxChi2PerClusterTPC = reco.fCutMaxChi2PerClusterTPC; | |
150 | fCutMaxChi2PerClusterITS = reco.fCutMaxChi2PerClusterITS; | |
151 | fCutRequireTPCRefit = reco.fCutRequireTPCRefit; | |
152 | fCutRequireITSRefit = reco.fCutRequireITSRefit; | |
153 | fCutAcceptKinkDaughters = reco.fCutAcceptKinkDaughters; | |
154 | fCutMaxDCAToVertexXY = reco.fCutMaxDCAToVertexXY; | |
155 | fCutMaxDCAToVertexZ = reco.fCutMaxDCAToVertexZ; | |
156 | fCutDCAToVertex2D = reco.fCutDCAToVertex2D; | |
157 | ||
158 | fPIDUtils = reco.fPIDUtils; | |
159 | ||
160 | ||
161 | if(reco.fResidualR){ | |
162 | // assign or copy construct | |
163 | if(fResidualR){ | |
164 | *fResidualR = *reco.fResidualR; | |
165 | } | |
166 | else fResidualR = new TArrayF(*reco.fResidualR); | |
167 | } | |
168 | else{ | |
169 | if(fResidualR)delete fResidualR; | |
170 | fResidualR = 0; | |
171 | } | |
172 | ||
173 | if(reco.fResidualZ){ | |
174 | // assign or copy construct | |
175 | if(fResidualZ){ | |
176 | *fResidualZ = *reco.fResidualZ; | |
177 | } | |
178 | else fResidualZ = new TArrayF(*reco.fResidualZ); | |
179 | } | |
180 | else{ | |
181 | if(fResidualZ)delete fResidualZ; | |
182 | fResidualZ = 0; | |
183 | } | |
184 | ||
185 | ||
186 | if(reco.fMatchedClusterIndex){ | |
187 | // assign or copy construct | |
188 | if(fMatchedClusterIndex){ | |
189 | *fMatchedClusterIndex = *reco.fMatchedClusterIndex; | |
190 | } | |
191 | else fMatchedClusterIndex = new TArrayI(*reco.fMatchedClusterIndex); | |
192 | } | |
193 | else{ | |
194 | if(fMatchedClusterIndex)delete fMatchedClusterIndex; | |
195 | fMatchedClusterIndex = 0; | |
196 | } | |
197 | ||
198 | ||
d9b3567c | 199 | return *this; |
200 | } | |
201 | ||
202 | ||
094786cc | 203 | //__________________________________________________ |
204 | AliEMCALRecoUtils::~AliEMCALRecoUtils() | |
205 | { | |
206 | //Destructor. | |
207 | ||
208 | if(fEMCALRecalibrationFactors) { | |
209 | fEMCALRecalibrationFactors->Clear(); | |
210 | delete fEMCALRecalibrationFactors; | |
211 | } | |
fd6df01c | 212 | |
213 | if(fEMCALBadChannelMap) { | |
214 | fEMCALBadChannelMap->Clear(); | |
215 | delete fEMCALBadChannelMap; | |
216 | } | |
bd8c7aef | 217 | |
218 | if(fMatchedClusterIndex) {delete fMatchedClusterIndex; fMatchedClusterIndex=0;} | |
219 | if(fResidualR) {delete fResidualR; fResidualR=0;} | |
220 | if(fResidualZ) {delete fResidualZ; fResidualZ=0;} | |
221 | ||
094786cc | 222 | } |
223 | ||
fd6df01c | 224 | //_______________________________________________________________ |
225 | Bool_t AliEMCALRecoUtils::CheckCellFiducialRegion(AliEMCALGeometry* geom, AliVCluster* cluster, AliVCaloCells* cells) | |
226 | { | |
227 | // Given the list of AbsId of the cluster, get the maximum cell and | |
228 | // check if there are fNCellsFromBorder from the calorimeter border | |
229 | ||
230 | //If the distance to the border is 0 or negative just exit accept all clusters | |
231 | if(cells->GetType()==AliVCaloCells::kEMCALCell && fNCellsFromEMCALBorder <= 0 ) return kTRUE; | |
232 | ||
233 | Int_t absIdMax = -1, iSM =-1, ieta = -1, iphi = -1; | |
234 | GetMaxEnergyCell(geom, cells, cluster, absIdMax, iSM, ieta, iphi); | |
235 | ||
83bfd77a | 236 | AliDebug(2,Form("Cluster Max AbsId %d, Cell Energy %2.2f, Cluster Energy %2.2f, Ncells from border %d, EMCAL eta=0 %d\n", |
237 | absIdMax, cells->GetCellAmplitude(absIdMax), cluster->E(), fNCellsFromEMCALBorder, fNoEMCALBorderAtEta0)); | |
fd6df01c | 238 | |
239 | if(absIdMax==-1) return kFALSE; | |
240 | ||
241 | //Check if the cell is close to the borders: | |
242 | Bool_t okrow = kFALSE; | |
243 | Bool_t okcol = kFALSE; | |
244 | ||
245 | if(iSM < 0 || iphi < 0 || ieta < 0 ) { | |
246 | AliFatal(Form("Negative value for super module: %d, or cell ieta: %d, or cell iphi: %d, check EMCAL geometry name\n", | |
247 | iSM,ieta,iphi)); | |
248 | } | |
249 | ||
250 | //Check rows/phi | |
251 | if(iSM < 10){ | |
252 | if(iphi >= fNCellsFromEMCALBorder && iphi < 24-fNCellsFromEMCALBorder) okrow =kTRUE; | |
253 | } | |
254 | else{ | |
255 | if(iphi >= fNCellsFromEMCALBorder && iphi < 12-fNCellsFromEMCALBorder) okrow =kTRUE; | |
256 | } | |
257 | ||
258 | //Check columns/eta | |
259 | if(!fNoEMCALBorderAtEta0){ | |
260 | if(ieta > fNCellsFromEMCALBorder && ieta < 48-fNCellsFromEMCALBorder) okcol =kTRUE; | |
261 | } | |
262 | else{ | |
263 | if(iSM%2==0){ | |
264 | if(ieta >= fNCellsFromEMCALBorder) okcol = kTRUE; | |
265 | } | |
266 | else { | |
267 | if(ieta < 48-fNCellsFromEMCALBorder) okcol = kTRUE; | |
268 | } | |
269 | }//eta 0 not checked | |
270 | ||
83bfd77a | 271 | AliDebug(2,Form("EMCAL Cluster in %d cells fiducial volume: ieta %d, iphi %d, SM %d: column? %d, row? %d\nq", |
fd6df01c | 272 | fNCellsFromEMCALBorder, ieta, iphi, iSM, okcol, okrow)); |
273 | ||
83bfd77a | 274 | if (okcol && okrow) { |
275 | //printf("Accept\n"); | |
276 | return kTRUE; | |
277 | } | |
278 | else { | |
279 | //printf("Reject\n"); | |
280 | AliDebug(2,Form("Reject cluster in border, max cell : ieta %d, iphi %d, SM %d\n",ieta, iphi, iSM)); | |
281 | return kFALSE; | |
282 | } | |
fd6df01c | 283 | |
284 | } | |
285 | ||
286 | ||
287 | //_________________________________________________________________________________________________________ | |
288 | Bool_t AliEMCALRecoUtils::ClusterContainsBadChannel(AliEMCALGeometry* geom, UShort_t* cellList, Int_t nCells){ | |
289 | // Check that in the cluster cells, there is no bad channel of those stored | |
290 | // in fEMCALBadChannelMap or fPHOSBadChannelMap | |
291 | ||
292 | if(!fRemoveBadChannels) return kFALSE; | |
293 | if(!fEMCALBadChannelMap) return kFALSE; | |
294 | ||
295 | Int_t icol = -1; | |
296 | Int_t irow = -1; | |
297 | Int_t imod = -1; | |
298 | for(Int_t iCell = 0; iCell<nCells; iCell++){ | |
299 | ||
300 | //Get the column and row | |
301 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
302 | geom->GetCellIndex(cellList[iCell],imod,iTower,iIphi,iIeta); | |
303 | if(fEMCALBadChannelMap->GetEntries() <= imod) continue; | |
304 | geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol); | |
83bfd77a | 305 | if(GetEMCALChannelStatus(imod, icol, irow)){ |
306 | AliDebug(2,Form("Cluster with bad channel: SM %d, col %d, row %d\n",imod, icol, irow)); | |
307 | return kTRUE; | |
308 | } | |
fd6df01c | 309 | |
310 | }// cell cluster loop | |
311 | ||
312 | return kFALSE; | |
313 | ||
314 | } | |
094786cc | 315 | |
d9b3567c | 316 | //__________________________________________________ |
317 | Float_t AliEMCALRecoUtils::CorrectClusterEnergyLinearity(AliVCluster* cluster){ | |
318 | // Correct cluster energy from non linearity functions | |
319 | Float_t energy = cluster->E(); | |
320 | ||
321 | switch (fNonLinearityFunction) { | |
322 | ||
323 | case kPi0MC: | |
324 | //Non-Linearity correction (from MC with function ([0]*exp(-[1]/E))+(([2]/([3]*2.*TMath::Pi())*exp(-(E-[4])^2/(2.*[3]^2))))) | |
325 | //Double_t par0 = 1.001; | |
326 | //Double_t par1 = -0.01264; | |
327 | //Double_t par2 = -0.03632; | |
328 | //Double_t par3 = 0.1798; | |
329 | //Double_t par4 = -0.522; | |
330 | energy /= (fNonLinearityParams[0]*exp(-fNonLinearityParams[1]/energy))+ | |
331 | ((fNonLinearityParams[2]/(fNonLinearityParams[3]*2.*TMath::Pi())* | |
332 | exp(-(energy-fNonLinearityParams[4])*(energy-fNonLinearityParams[4])/(2.*fNonLinearityParams[3]*fNonLinearityParams[3])))); | |
333 | break; | |
334 | ||
335 | case kPi0GammaGamma: | |
336 | ||
337 | //Non-Linearity correction (from Olga Data with function p0+p1*exp(-p2*E)) | |
338 | //Double_t par0 = 0.1457; | |
339 | //Double_t par1 = -0.02024; | |
340 | //Double_t par2 = 1.046; | |
341 | energy /= (fNonLinearityParams[0]+fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); //Olga function | |
342 | break; | |
343 | ||
344 | case kPi0GammaConversion: | |
345 | ||
346 | //Non-Linearity correction (Nicolas from Dimitri Data with function C*[1-a*exp(-b*E)]) | |
347 | //Double_t C = 0.139393/0.1349766; | |
348 | //Double_t a = 0.0566186; | |
349 | //Double_t b = 0.982133; | |
350 | energy /= fNonLinearityParams[0]*(1-fNonLinearityParams[1]*exp(-fNonLinearityParams[2]*energy)); | |
351 | ||
352 | break; | |
353 | ||
354 | case kNoCorrection: | |
355 | AliDebug(2,"No correction on the energy\n"); | |
356 | break; | |
357 | ||
358 | } | |
359 | ||
360 | return energy; | |
361 | ||
362 | } | |
363 | ||
364 | //__________________________________________________ | |
094786cc | 365 | Float_t AliEMCALRecoUtils::GetDepth(const Float_t energy, const Int_t iParticle, const Int_t iSM) const |
366 | { | |
367 | //Calculate shower depth for a given cluster energy and particle type | |
368 | ||
369 | // parameters | |
370 | Float_t x0 = 1.23; | |
371 | Float_t ecr = 8; | |
372 | Float_t depth = 0; | |
373 | ||
374 | switch ( iParticle ) | |
375 | { | |
376 | case kPhoton: | |
fd6df01c | 377 | depth = x0 * (TMath::Log(energy*1000/ ecr) + 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 378 | break; |
379 | ||
380 | case kElectron: | |
fd6df01c | 381 | depth = x0 * (TMath::Log(energy*1000/ ecr) - 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 382 | break; |
383 | ||
384 | case kHadron: | |
385 | // hadron | |
386 | // boxes anc. here | |
387 | if(gGeoManager){ | |
388 | gGeoManager->cd("ALIC_1/XEN1_1"); | |
389 | TGeoNode *geoXEn1 = gGeoManager->GetCurrentNode(); | |
390 | TGeoNodeMatrix *geoSM = dynamic_cast<TGeoNodeMatrix *>(geoXEn1->GetDaughter(iSM)); | |
fd6df01c | 391 | if(geoSM){ |
392 | TGeoVolume *geoSMVol = geoSM->GetVolume(); | |
393 | TGeoShape *geoSMShape = geoSMVol->GetShape(); | |
394 | TGeoBBox *geoBox = dynamic_cast<TGeoBBox *>(geoSMShape); | |
395 | if(geoBox) depth = 0.5 * geoBox->GetDX()*2 ; | |
396 | else AliFatal("Null GEANT box"); | |
397 | }else AliFatal("NULL GEANT node matrix"); | |
094786cc | 398 | } |
399 | else{//electron | |
fd6df01c | 400 | depth = x0 * (TMath::Log(energy*1000 / ecr) - 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 401 | } |
402 | ||
403 | break; | |
404 | ||
405 | default://photon | |
fd6df01c | 406 | depth = x0 * (TMath::Log(energy*1000 / ecr) + 0.5); //Multiply energy by 1000 to transform to MeV |
094786cc | 407 | } |
408 | ||
409 | return depth; | |
410 | ||
411 | } | |
412 | ||
413 | //__________________________________________________ | |
414 | void AliEMCALRecoUtils::GetMaxEnergyCell(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu, Int_t & absId, Int_t& iSupMod, Int_t& ieta, Int_t& iphi) | |
d9b3567c | 415 | { |
416 | //For a given CaloCluster gets the absId of the cell | |
417 | //with maximum energy deposit. | |
418 | ||
419 | Double_t eMax = -1.; | |
420 | Double_t eCell = -1.; | |
094786cc | 421 | Float_t fraction = 1.; |
422 | Float_t recalFactor = 1.; | |
d9b3567c | 423 | Int_t cellAbsId = -1 ; |
094786cc | 424 | |
d9b3567c | 425 | Int_t iTower = -1; |
426 | Int_t iIphi = -1; | |
427 | Int_t iIeta = -1; | |
83bfd77a | 428 | //printf("---Max?\n"); |
d9b3567c | 429 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { |
094786cc | 430 | cellAbsId = clu->GetCellAbsId(iDig); |
431 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
83bfd77a | 432 | //printf("a Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,cells->GetCellAmplitude(cellAbsId),fraction); |
094786cc | 433 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off |
434 | if(IsRecalibrationOn()) { | |
435 | geom->GetCellIndex(cellAbsId,iSupMod,iTower,iIphi,iIeta); | |
436 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta); | |
437 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
438 | } | |
439 | eCell = cells->GetCellAmplitude(cellAbsId)*fraction*recalFactor; | |
83bfd77a | 440 | //printf("b Cell %d, id, %d, amp %f, fraction %f\n",iDig,cellAbsId,eCell,fraction); |
094786cc | 441 | if(eCell > eMax) { |
d9b3567c | 442 | eMax = eCell; |
443 | absId = cellAbsId; | |
444 | //printf("\t new max: cell %d, e %f, ecell %f\n",maxId, eMax,eCell); | |
445 | } | |
446 | }// cell loop | |
447 | ||
448 | //Get from the absid the supermodule, tower and eta/phi numbers | |
449 | geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta); | |
450 | //Gives SuperModule and Tower numbers | |
451 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower, | |
83bfd77a | 452 | iIphi, iIeta,iphi,ieta); |
453 | //printf("Max id %d, iSM %d, col %d, row %d\n",absId,iSupMod,ieta,iphi); | |
454 | //printf("Max end---\n"); | |
d9b3567c | 455 | |
456 | } | |
457 | ||
094786cc | 458 | //________________________________________________________________ |
459 | void AliEMCALRecoUtils::InitEMCALRecalibrationFactors(){ | |
460 | //Init EMCAL recalibration factors | |
461 | AliDebug(2,"AliCalorimeterUtils::InitEMCALRecalibrationFactors()"); | |
462 | //In order to avoid rewriting the same histograms | |
463 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
464 | TH1::AddDirectory(kFALSE); | |
465 | ||
466 | fEMCALRecalibrationFactors = new TObjArray(12); | |
467 | 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)); | |
468 | //Init the histograms with 1 | |
469 | for (Int_t sm = 0; sm < 12; sm++) { | |
470 | for (Int_t i = 0; i < 48; i++) { | |
471 | for (Int_t j = 0; j < 24; j++) { | |
472 | SetEMCALChannelRecalibrationFactor(sm,i,j,1.); | |
473 | } | |
474 | } | |
475 | } | |
476 | fEMCALRecalibrationFactors->SetOwner(kTRUE); | |
477 | fEMCALRecalibrationFactors->Compress(); | |
478 | ||
479 | //In order to avoid rewriting the same histograms | |
480 | TH1::AddDirectory(oldStatus); | |
481 | } | |
482 | ||
483 | ||
fd6df01c | 484 | //________________________________________________________________ |
485 | void AliEMCALRecoUtils::InitEMCALBadChannelStatusMap(){ | |
486 | //Init EMCAL bad channels map | |
487 | AliDebug(2,"AliEMCALRecoUtils::InitEMCALBadChannelStatusMap()"); | |
488 | //In order to avoid rewriting the same histograms | |
489 | Bool_t oldStatus = TH1::AddDirectoryStatus(); | |
490 | TH1::AddDirectory(kFALSE); | |
491 | ||
492 | fEMCALBadChannelMap = new TObjArray(12); | |
493 | //TH2F * hTemp = new TH2I("EMCALBadChannelMap","EMCAL SuperModule bad channel map", 48, 0, 48, 24, 0, 24); | |
494 | for (int i = 0; i < 12; i++) { | |
495 | fEMCALBadChannelMap->Add(new TH2I(Form("EMCALBadChannelMap_Mod%d",i),Form("EMCALBadChannelMap_Mod%d",i), 48, 0, 48, 24, 0, 24)); | |
496 | } | |
497 | ||
498 | //delete hTemp; | |
499 | ||
500 | fEMCALBadChannelMap->SetOwner(kTRUE); | |
501 | fEMCALBadChannelMap->Compress(); | |
502 | ||
503 | //In order to avoid rewriting the same histograms | |
504 | TH1::AddDirectory(oldStatus); | |
505 | } | |
506 | ||
094786cc | 507 | //________________________________________________________________ |
508 | void AliEMCALRecoUtils::RecalibrateClusterEnergy(AliEMCALGeometry* geom, AliVCluster * cluster, AliVCaloCells * cells){ | |
509 | // Recalibrate the cluster energy, considering the recalibration map and the energy of the cells that compose the cluster. | |
510 | ||
511 | //Get the cluster number of cells and list of absId, check what kind of cluster do we have. | |
512 | UShort_t * index = cluster->GetCellsAbsId() ; | |
513 | Double_t * fraction = cluster->GetCellsAmplitudeFraction() ; | |
514 | Int_t ncells = cluster->GetNCells(); | |
515 | ||
516 | //Initialize some used variables | |
517 | Float_t energy = 0; | |
518 | Int_t absId = -1; | |
519 | Int_t icol = -1, irow = -1, imod=1; | |
520 | Float_t factor = 1, frac = 0; | |
521 | ||
522 | //Loop on the cells, get the cell amplitude and recalibration factor, multiply and and to the new energy | |
523 | for(Int_t icell = 0; icell < ncells; icell++){ | |
524 | absId = index[icell]; | |
525 | frac = fraction[icell]; | |
526 | if(frac < 1e-5) frac = 1; //in case of EMCAL, this is set as 0 since unfolding is off | |
527 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
528 | geom->GetCellIndex(absId,imod,iTower,iIphi,iIeta); | |
529 | if(fEMCALRecalibrationFactors->GetEntries() <= imod) continue; | |
530 | geom->GetCellPhiEtaIndexInSModule(imod,iTower,iIphi, iIeta,irow,icol); | |
531 | factor = GetEMCALChannelRecalibrationFactor(imod,icol,irow); | |
532 | AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - recalibrate cell: module %d, col %d, row %d, cell fraction %f,recalibration factor %f, cell energy %f\n", | |
533 | imod,icol,irow,frac,factor,cells->GetCellAmplitude(absId))); | |
534 | ||
535 | energy += cells->GetCellAmplitude(absId)*factor*frac; | |
536 | } | |
537 | ||
538 | ||
539 | AliDebug(2,Form("AliEMCALRecoUtils::RecalibrateClusterEnergy - Energy before %f, after %f\n",cluster->E(),energy)); | |
540 | ||
541 | cluster->SetE(energy); | |
542 | ||
543 | } | |
544 | ||
545 | ||
d9b3567c | 546 | //__________________________________________________ |
094786cc | 547 | void AliEMCALRecoUtils::RecalculateClusterPosition(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) |
d9b3567c | 548 | { |
549 | //For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
550 | ||
094786cc | 551 | if (fPosAlgo==kPosTowerGlobal) RecalculateClusterPositionFromTowerGlobal( geom, cells, clu); |
552 | else if(fPosAlgo==kPosTowerIndex) RecalculateClusterPositionFromTowerIndex ( geom, cells, clu); | |
fd6df01c | 553 | else AliDebug(2,"Algorithm to recalculate position not selected, do nothing."); |
094786cc | 554 | |
555 | } | |
556 | ||
557 | //__________________________________________________ | |
558 | void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerGlobal(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) | |
559 | { | |
560 | // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
561 | // The algorithm is a copy of what is done in AliEMCALRecPoint | |
562 | ||
563 | Double_t eCell = 0.; | |
564 | Float_t fraction = 1.; | |
565 | Float_t recalFactor = 1.; | |
566 | ||
567 | Int_t absId = -1; | |
568 | Int_t iTower = -1, iIphi = -1, iIeta = -1; | |
569 | Int_t iSupModMax = -1, iSM=-1, iphi = -1, ieta = -1; | |
570 | Float_t weight = 0., totalWeight=0.; | |
571 | Float_t newPos[3] = {0,0,0}; | |
572 | Double_t pLocal[3], pGlobal[3]; | |
573 | ||
574 | Float_t clEnergy = clu->E(); //Energy already recalibrated previously | |
094786cc | 575 | GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi); |
576 | Double_t depth = GetDepth(clEnergy,fParticleType,iSupModMax) ; | |
577 | ||
83bfd77a | 578 | //printf("** Cluster energy %f, ncells %d, depth %f\n",clEnergy,clu->GetNCells(),depth); |
579 | ||
094786cc | 580 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { |
581 | absId = clu->GetCellAbsId(iDig); | |
582 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
583 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
584 | geom->GetCellIndex(absId,iSM,iTower,iIphi,iIeta); | |
585 | geom->GetCellPhiEtaIndexInSModule(iSM,iTower,iIphi, iIeta,iphi,ieta); | |
586 | ||
587 | if(IsRecalibrationOn()) { | |
588 | recalFactor = GetEMCALChannelRecalibrationFactor(iSM,ieta,iphi); | |
589 | } | |
590 | eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor; | |
591 | ||
592 | weight = GetCellWeight(eCell,clEnergy); | |
83bfd77a | 593 | //printf("cell energy %f, weight %f\n",eCell,weight); |
094786cc | 594 | totalWeight += weight; |
595 | geom->RelPosCellInSModule(absId,depth,pLocal[0],pLocal[1],pLocal[2]); | |
83bfd77a | 596 | //printf("pLocal (%f,%f,%f), SM %d, absId %d\n",pLocal[0],pLocal[1],pLocal[2],iSupModMax,absId); |
094786cc | 597 | geom->GetGlobal(pLocal,pGlobal,iSupModMax); |
83bfd77a | 598 | //printf("pLocal (%f,%f,%f)\n",pGlobal[0],pGlobal[1],pGlobal[2]); |
599 | ||
094786cc | 600 | for(int i=0; i<3; i++ ) newPos[i] += (weight*pGlobal[i]); |
601 | ||
602 | }// cell loop | |
603 | ||
604 | if(totalWeight>0){ | |
605 | for(int i=0; i<3; i++ ) newPos[i] /= totalWeight; | |
606 | } | |
607 | ||
094786cc | 608 | //Float_t pos[]={0,0,0}; |
609 | //clu->GetPosition(pos); | |
610 | //printf("OldPos : %2.3f,%2.3f,%2.3f\n",pos[0],pos[1],pos[2]); | |
83bfd77a | 611 | //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]); |
094786cc | 612 | |
613 | if(iSupModMax > 1) {//sector 1 | |
614 | newPos[0] +=fMisalTransShift[3];//-=3.093; | |
615 | newPos[1] +=fMisalTransShift[4];//+=6.82; | |
616 | newPos[2] +=fMisalTransShift[5];//+=1.635; | |
83bfd77a | 617 | //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[3],fMisalTransShift[4],fMisalTransShift[5]); |
618 | ||
094786cc | 619 | } |
620 | else {//sector 0 | |
621 | newPos[0] +=fMisalTransShift[0];//+=1.134; | |
622 | newPos[1] +=fMisalTransShift[1];//+=8.2; | |
623 | newPos[2] +=fMisalTransShift[2];//+=1.197; | |
83bfd77a | 624 | //printf(" + : %2.3f,%2.3f,%2.3f\n",fMisalTransShift[0],fMisalTransShift[1],fMisalTransShift[2]); |
625 | ||
094786cc | 626 | } |
83bfd77a | 627 | //printf("NewPos : %2.3f,%2.3f,%2.3f\n",newPos[0],newPos[1],newPos[2]); |
628 | ||
094786cc | 629 | clu->SetPosition(newPos); |
630 | ||
094786cc | 631 | } |
632 | ||
633 | //__________________________________________________ | |
634 | void AliEMCALRecoUtils::RecalculateClusterPositionFromTowerIndex(AliEMCALGeometry *geom, AliVCaloCells* cells, AliVCluster* clu) | |
635 | { | |
636 | // For a given CaloCluster recalculates the position for a given set of misalignment shifts and puts it again in the CaloCluster. | |
637 | // The algorithm works with the tower indeces, averages the indeces and from them it calculates the global position | |
638 | ||
639 | Double_t eCell = 1.; | |
640 | Float_t fraction = 1.; | |
641 | Float_t recalFactor = 1.; | |
642 | ||
643 | Int_t absId = -1; | |
d9b3567c | 644 | Int_t iTower = -1; |
094786cc | 645 | Int_t iIphi = -1, iIeta = -1; |
646 | Int_t iSupMod = -1, iSupModMax = -1; | |
d9b3567c | 647 | Int_t iphi = -1, ieta =-1; |
648 | ||
649 | Float_t clEnergy = clu->E(); //Energy already recalibrated previously. | |
094786cc | 650 | GetMaxEnergyCell(geom, cells, clu, absId, iSupModMax, ieta, iphi); |
651 | Float_t depth = GetDepth(clEnergy,fParticleType,iSupMod) ; | |
652 | ||
d9b3567c | 653 | Float_t weight = 0., weightedCol = 0., weightedRow = 0., totalWeight=0.; |
094786cc | 654 | Bool_t areInSameSM = kTRUE; //exclude clusters with cells in different SMs for now |
655 | Int_t startingSM = -1; | |
d9b3567c | 656 | |
657 | for (Int_t iDig=0; iDig< clu->GetNCells(); iDig++) { | |
094786cc | 658 | absId = clu->GetCellAbsId(iDig); |
659 | fraction = clu->GetCellAmplitudeFraction(iDig); | |
660 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
661 | geom->GetCellIndex(absId,iSupMod,iTower,iIphi,iIeta); | |
d9b3567c | 662 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi, iIeta,iphi,ieta); |
094786cc | 663 | |
d9b3567c | 664 | if (iDig==0) startingSM = iSupMod; |
665 | else if(iSupMod != startingSM) areInSameSM = kFALSE; | |
094786cc | 666 | |
667 | eCell = cells->GetCellAmplitude(absId); | |
d9b3567c | 668 | |
094786cc | 669 | if(IsRecalibrationOn()) { |
670 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
671 | } | |
672 | eCell = cells->GetCellAmplitude(absId)*fraction*recalFactor; | |
d9b3567c | 673 | |
094786cc | 674 | weight = GetCellWeight(eCell,clEnergy); |
d9b3567c | 675 | if(weight < 0) weight = 0; |
676 | totalWeight += weight; | |
677 | weightedCol += ieta*weight; | |
678 | weightedRow += iphi*weight; | |
679 | ||
680 | //printf("Max cell? cell %d, amplitude org %f, fraction %f, recalibration %f, amplitude new %f \n",cellAbsId, cells->GetCellAmplitude(cellAbsId), fraction, recalFactor, eCell) ; | |
681 | ||
094786cc | 682 | }// cell loop |
683 | ||
d9b3567c | 684 | Float_t xyzNew[]={0.,0.,0.}; |
685 | if(areInSameSM == kTRUE) { | |
686 | //printf("In Same SM\n"); | |
687 | weightedCol = weightedCol/totalWeight; | |
688 | weightedRow = weightedRow/totalWeight; | |
094786cc | 689 | geom->RecalculateTowerPosition(weightedRow, weightedCol, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew); |
d9b3567c | 690 | } |
691 | else { | |
692 | //printf("In Different SM\n"); | |
094786cc | 693 | geom->RecalculateTowerPosition(iphi, ieta, iSupModMax, depth, fMisalTransShift, fMisalRotShift, xyzNew); |
d9b3567c | 694 | } |
d9b3567c | 695 | |
094786cc | 696 | clu->SetPosition(xyzNew); |
d9b3567c | 697 | |
698 | } | |
699 | ||
83bfd77a | 700 | //____________________________________________________________________________ |
701 | void AliEMCALRecoUtils::RecalculateClusterPID(AliVCluster * cluster){ | |
702 | ||
703 | //re-evaluate identification parameters with bayesian | |
704 | ||
705 | if ( cluster->GetM02() != 0) | |
706 | fPIDUtils->ComputePID(cluster->E(),cluster->GetM02()); | |
707 | ||
708 | Float_t pidlist[AliPID::kSPECIESN+1]; | |
709 | for(Int_t i = 0; i < AliPID::kSPECIESN+1; i++) pidlist[i] = fPIDUtils->GetPIDFinal(i); | |
710 | ||
711 | cluster->SetPID(pidlist); | |
712 | ||
713 | } | |
714 | ||
715 | //____________________________________________________________________________ | |
716 | void AliEMCALRecoUtils::RecalculateClusterShowerShapeParameters(AliEMCALGeometry * geom, AliVCaloCells* cells, AliVCluster * cluster) | |
717 | { | |
718 | // Calculates new center of gravity in the local EMCAL-module coordinates | |
719 | // and tranfers into global ALICE coordinates | |
720 | // Calculates Dispersion and main axis | |
721 | ||
722 | Int_t nstat = 0; | |
723 | Float_t wtot = 0. ; | |
724 | Double_t eCell = 0.; | |
725 | Float_t fraction = 1.; | |
726 | Float_t recalFactor = 1.; | |
727 | ||
728 | Int_t iSupMod = -1; | |
729 | Int_t iTower = -1; | |
730 | Int_t iIphi = -1; | |
731 | Int_t iIeta = -1; | |
732 | Int_t iphi = -1; | |
733 | Int_t ieta = -1; | |
734 | Double_t etai = -1.; | |
735 | Double_t phii = -1.; | |
736 | ||
737 | Double_t w = 0.; | |
738 | Double_t d = 0.; | |
739 | Double_t dxx = 0.; | |
740 | Double_t dzz = 0.; | |
741 | Double_t dxz = 0.; | |
742 | Double_t xmean = 0.; | |
743 | Double_t zmean = 0.; | |
744 | ||
745 | //Loop on cells | |
746 | for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) { | |
747 | ||
748 | //Get from the absid the supermodule, tower and eta/phi numbers | |
749 | geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta); | |
750 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta); | |
751 | ||
752 | //Get the cell energy, if recalibration is on, apply factors | |
753 | fraction = cluster->GetCellAmplitudeFraction(iDigit); | |
754 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
755 | if(IsRecalibrationOn()) { | |
756 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
757 | } | |
758 | eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor; | |
759 | ||
760 | if(cluster->E() > 0 && eCell > 0){ | |
761 | ||
762 | w = GetCellWeight(eCell,cluster->E()); | |
763 | ||
764 | etai=(Double_t)ieta; | |
765 | phii=(Double_t)iphi; | |
766 | if(w > 0.0) { | |
767 | wtot += w ; | |
768 | nstat++; | |
769 | //Shower shape | |
770 | dxx += w * etai * etai ; | |
771 | xmean+= w * etai ; | |
772 | dzz += w * phii * phii ; | |
773 | zmean+= w * phii ; | |
774 | dxz += w * etai * phii ; | |
775 | } | |
776 | } | |
777 | else | |
778 | AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E())); | |
779 | }//cell loop | |
780 | ||
781 | //Normalize to the weight | |
782 | if (wtot > 0) { | |
783 | xmean /= wtot ; | |
784 | zmean /= wtot ; | |
785 | } | |
786 | else | |
787 | AliError(Form("Wrong weight %f\n", wtot)); | |
788 | ||
789 | //Calculate dispersion | |
790 | for(Int_t iDigit=0; iDigit < cluster->GetNCells(); iDigit++) { | |
791 | ||
792 | //Get from the absid the supermodule, tower and eta/phi numbers | |
793 | geom->GetCellIndex(cluster->GetCellAbsId(iDigit),iSupMod,iTower,iIphi,iIeta); | |
794 | geom->GetCellPhiEtaIndexInSModule(iSupMod,iTower,iIphi,iIeta, iphi,ieta); | |
795 | ||
796 | //Get the cell energy, if recalibration is on, apply factors | |
797 | fraction = cluster->GetCellAmplitudeFraction(iDigit); | |
798 | if(fraction < 1e-4) fraction = 1.; // in case unfolding is off | |
799 | if(IsRecalibrationOn()) { | |
800 | recalFactor = GetEMCALChannelRecalibrationFactor(iSupMod,ieta,iphi); | |
801 | } | |
802 | eCell = cells->GetCellAmplitude(cluster->GetCellAbsId(iDigit))*fraction*recalFactor; | |
803 | ||
804 | if(cluster->E() > 0 && eCell > 0){ | |
805 | ||
806 | w = GetCellWeight(eCell,cluster->E()); | |
807 | ||
808 | etai=(Double_t)ieta; | |
809 | phii=(Double_t)iphi; | |
810 | if(w > 0.0) d += w*((etai-xmean)*(etai-xmean)+(phii-zmean)*(phii-zmean)); | |
811 | } | |
812 | else | |
813 | AliError(Form("Wrong energy %f and/or amplitude %f\n", eCell, cluster->E())); | |
814 | }// cell loop | |
815 | ||
816 | //Normalize to the weigth and set shower shape parameters | |
817 | if (wtot > 0 && nstat > 1) { | |
818 | d /= wtot ; | |
819 | dxx /= wtot ; | |
820 | dzz /= wtot ; | |
821 | dxz /= wtot ; | |
822 | dxx -= xmean * xmean ; | |
823 | dzz -= zmean * zmean ; | |
824 | dxz -= xmean * zmean ; | |
825 | cluster->SetM02(0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz )); | |
826 | cluster->SetM20(0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz )); | |
827 | } | |
828 | else{ | |
829 | d=0. ; | |
830 | cluster->SetM20(0.) ; | |
831 | cluster->SetM02(0.) ; | |
832 | } | |
833 | ||
834 | if (d>=0) | |
835 | cluster->SetDispersion(TMath::Sqrt(d)) ; | |
836 | else | |
837 | cluster->SetDispersion(0) ; | |
838 | ||
839 | } | |
840 | ||
bd8c7aef | 841 | //__________________________________________________ |
842 | void AliEMCALRecoUtils::FindMatches(AliVEvent *event) | |
843 | { | |
844 | //This function should be called before the cluster loop | |
845 | //Before call this function, please recalculate the cluster positions | |
846 | //Given the input event, loop over all the tracks, select the closest cluster as matched with fCutR | |
847 | //Store matched cluster indexes and residuals | |
848 | //It only works with ESDs, not AODs | |
849 | ||
850 | fMatchedClusterIndex->Reset(); | |
851 | fResidualZ->Reset(); | |
852 | fResidualR->Reset(); | |
853 | ||
854 | fMatchedClusterIndex->Set(100); | |
855 | fResidualZ->Set(100); | |
856 | fResidualR->Set(100); | |
857 | ||
858 | Int_t matched=0; | |
859 | Float_t clsPos[3]; | |
860 | Double_t trkPos[3]; | |
861 | for(Int_t itr=0; itr<event->GetNumberOfTracks(); itr++) | |
862 | { | |
863 | AliESDtrack *track = ((AliESDEvent*)event)->GetTrack(itr); | |
864 | if(!track || !IsAccepted(track)) continue; | |
865 | ||
866 | Float_t dRMax = fCutR, dZMax = fCutZ; | |
867 | Int_t index = -1; | |
868 | AliEMCALTrack *emctrack = new AliEMCALTrack(*track); | |
869 | for(Int_t icl=0; icl<event->GetNumberOfCaloClusters(); icl++) | |
870 | { | |
871 | AliVCluster *cluster = (AliVCluster*) event->GetCaloCluster(icl); | |
872 | if(!cluster->IsEMCAL()) continue; | |
873 | cluster->GetPosition(clsPos); //Has been recalculated | |
874 | if(!emctrack->PropagateToGlobal(clsPos[0],clsPos[1],clsPos[2],0.,0.) ) continue; | |
875 | emctrack->GetXYZ(trkPos); | |
876 | 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) ); | |
877 | Float_t tmpZ = TMath::Abs(clsPos[2]-trkPos[2]); | |
878 | ||
879 | if(tmpR<dRMax) | |
880 | { | |
881 | dRMax=tmpR; | |
882 | dZMax=tmpZ; | |
883 | index=icl; | |
884 | } | |
885 | ||
886 | }//cluser loop | |
887 | ||
888 | if(index>-1) | |
889 | { | |
890 | fMatchedClusterIndex->AddAt(index,matched); | |
891 | fResidualZ->AddAt(dZMax,matched); | |
892 | fResidualR->AddAt(dRMax,matched); | |
893 | matched++; | |
894 | } | |
895 | delete emctrack; | |
896 | }//track loop | |
897 | fMatchedClusterIndex->Set(matched); | |
898 | fResidualZ->Set(matched); | |
899 | fResidualR->Set(matched); | |
900 | ||
901 | //printf("Number of matched pairs: %d\n",matched); | |
902 | } | |
903 | ||
904 | //__________________________________________________ | |
905 | void AliEMCALRecoUtils::GetMatchedResiduals(Int_t index, Float_t &dR, Float_t &dZ) | |
906 | { | |
907 | //Given a cluster index as in AliESDEvent::GetCaloCluster(index) | |
908 | //Get the residuals dR and dZ for this cluster | |
909 | //It only works with ESDs, not AODs | |
910 | ||
81efb149 | 911 | if( FindMatchedPos(index) >= 999 ) |
bd8c7aef | 912 | { |
913 | AliDebug(2,"No matched tracks found!\n"); | |
914 | dR=999.; | |
915 | dZ=999.; | |
916 | return; | |
917 | } | |
918 | dR = fResidualR->At(FindMatchedPos(index)); | |
919 | dZ = fResidualZ->At(FindMatchedPos(index)); | |
920 | } | |
921 | ||
922 | //__________________________________________________ | |
923 | Bool_t AliEMCALRecoUtils::IsMatched(Int_t index) | |
924 | { | |
925 | //Given a cluster index as in AliESDEvent::GetCaloCluster(index) | |
926 | //Returns if cluster has a match | |
81efb149 | 927 | if(FindMatchedPos(index) < 999) |
82d09e74 | 928 | return kTRUE; |
bd8c7aef | 929 | else |
930 | return kFALSE; | |
931 | } | |
932 | //__________________________________________________ | |
81efb149 | 933 | UInt_t AliEMCALRecoUtils::FindMatchedPos(Int_t index) const |
bd8c7aef | 934 | { |
935 | //Given a cluster index as in AliESDEvent::GetCaloCluster(index) | |
936 | //Returns the position of the match in the fMatchedClusterIndex array | |
937 | Float_t tmpR = fCutR; | |
81efb149 | 938 | UInt_t pos = 999; |
bd8c7aef | 939 | |
940 | for(Int_t i=0; i<fMatchedClusterIndex->GetSize(); i++) | |
941 | { | |
942 | if(fMatchedClusterIndex->At(i)==index && fResidualR->At(i)<tmpR) | |
943 | { | |
944 | pos=i; | |
945 | tmpR=fResidualR->At(i); | |
946 | } | |
82d09e74 | 947 | 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 | 948 | } |
949 | return pos; | |
950 | } | |
951 | ||
952 | Bool_t AliEMCALRecoUtils::IsAccepted(AliESDtrack *esdTrack) | |
953 | { | |
954 | // Given a esd track, return whether the track survive all the cuts | |
955 | ||
956 | // The different quality parameter are first | |
957 | // retrieved from the track. then it is found out what cuts the | |
958 | // track did not survive and finally the cuts are imposed. | |
959 | ||
960 | UInt_t status = esdTrack->GetStatus(); | |
961 | ||
962 | Int_t nClustersITS = esdTrack->GetITSclusters(0); | |
963 | Int_t nClustersTPC = esdTrack->GetTPCclusters(0); | |
964 | ||
965 | Float_t chi2PerClusterITS = -1; | |
966 | Float_t chi2PerClusterTPC = -1; | |
967 | if (nClustersITS!=0) | |
968 | chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS); | |
969 | if (nClustersTPC!=0) | |
970 | chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC); | |
82d09e74 | 971 | |
972 | ||
973 | //DCA cuts | |
974 | Float_t MaxDCAToVertexXYPtDep = 0.0182 + 0.0350/TMath::Power(esdTrack->Pt(),1.01); //This expression comes from AliESDtrackCuts::GetStandardITSTPCTrackCuts2010() | |
975 | //AliDebug(3,Form("Track pT = %f, DCAtoVertexXY = %f",esdTrack->Pt(),MaxDCAToVertexXYPtDep)); | |
976 | SetMaxDCAToVertexXY(MaxDCAToVertexXYPtDep); //Set pT dependent DCA cut to vertex in x-y plane | |
977 | ||
978 | ||
bd8c7aef | 979 | Float_t b[2]; |
980 | Float_t bCov[3]; | |
981 | esdTrack->GetImpactParameters(b,bCov); | |
982 | if (bCov[0]<=0 || bCov[2]<=0) { | |
983 | AliDebug(1, "Estimated b resolution lower or equal zero!"); | |
984 | bCov[0]=0; bCov[2]=0; | |
985 | } | |
986 | ||
987 | Float_t dcaToVertexXY = b[0]; | |
988 | Float_t dcaToVertexZ = b[1]; | |
989 | Float_t dcaToVertex = -1; | |
990 | ||
991 | if (fCutDCAToVertex2D) | |
992 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY/fCutMaxDCAToVertexXY/fCutMaxDCAToVertexXY + dcaToVertexZ*dcaToVertexZ/fCutMaxDCAToVertexZ/fCutMaxDCAToVertexZ); | |
993 | else | |
994 | dcaToVertex = TMath::Sqrt(dcaToVertexXY*dcaToVertexXY + dcaToVertexZ*dcaToVertexZ); | |
995 | ||
996 | // cut the track? | |
997 | ||
998 | Bool_t cuts[kNCuts]; | |
999 | for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE; | |
1000 | ||
1001 | // track quality cuts | |
1002 | if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0) | |
1003 | cuts[0]=kTRUE; | |
1004 | if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0) | |
1005 | cuts[1]=kTRUE; | |
1006 | if (nClustersTPC<fCutMinNClusterTPC) | |
1007 | cuts[2]=kTRUE; | |
1008 | if (nClustersITS<fCutMinNClusterITS) | |
1009 | cuts[3]=kTRUE; | |
1010 | if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC) | |
1011 | cuts[4]=kTRUE; | |
1012 | if (chi2PerClusterITS>fCutMaxChi2PerClusterITS) | |
1013 | cuts[5]=kTRUE; | |
1014 | if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0) | |
1015 | cuts[6]=kTRUE; | |
1016 | if (fCutDCAToVertex2D && dcaToVertex > 1) | |
1017 | cuts[7] = kTRUE; | |
1018 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexXY) > fCutMaxDCAToVertexXY) | |
1019 | cuts[8] = kTRUE; | |
1020 | if (!fCutDCAToVertex2D && TMath::Abs(dcaToVertexZ) > fCutMaxDCAToVertexZ) | |
1021 | cuts[9] = kTRUE; | |
1022 | ||
82d09e74 | 1023 | //Require at least one SPD point + anything else in ITS |
1024 | if( (esdTrack->HasPointOnITSLayer(0) || esdTrack->HasPointOnITSLayer(1)) == kFALSE) | |
1025 | cuts[10] = kTRUE; | |
1026 | ||
bd8c7aef | 1027 | Bool_t cut=kFALSE; |
1028 | for (Int_t i=0; i<kNCuts; i++) | |
1029 | if (cuts[i]) {cut = kTRUE;} | |
1030 | ||
1031 | // cut the track | |
1032 | if (cut) | |
1033 | return kFALSE; | |
1034 | else | |
1035 | return kTRUE; | |
1036 | } | |
1037 | //__________________________________________________ | |
1038 | void AliEMCALRecoUtils::InitTrackCuts() | |
1039 | { | |
1040 | //Intilize the track cut criteria | |
82d09e74 | 1041 | //By default these cuts are set according to AliESDtrackCuts::GetStandardITSTPCTrackCuts2010() |
bd8c7aef | 1042 | //Also you can customize the cuts using the setters |
82d09e74 | 1043 | |
1044 | //TPC | |
1045 | SetMinNClustersTPC(70); | |
bd8c7aef | 1046 | SetMaxChi2PerClusterTPC(4); |
1047 | SetAcceptKinkDaughters(kFALSE); | |
82d09e74 | 1048 | SetRequireTPCRefit(kTRUE); |
1049 | ||
1050 | //ITS | |
1051 | SetRequireITSRefit(kTRUE); | |
1052 | SetMaxDCAToVertexZ(2); | |
1053 | SetDCAToVertex2D(kFALSE); | |
bd8c7aef | 1054 | } |
83bfd77a | 1055 | |
d9b3567c | 1056 | //__________________________________________________ |
1057 | void AliEMCALRecoUtils::Print(const Option_t *) const | |
1058 | { | |
1059 | // Print Parameters | |
1060 | ||
1061 | printf("AliEMCALRecoUtils Settings: \n"); | |
1062 | printf("Misalignment shifts\n"); | |
2a71e873 | 1063 | 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, |
1064 | fMisalTransShift[i*3],fMisalTransShift[i*3+1],fMisalTransShift[i*3+2], | |
1065 | fMisalRotShift[i*3], fMisalRotShift[i*3+1], fMisalRotShift[i*3+2] ); | |
d9b3567c | 1066 | printf("Non linearity function %d, parameters:\n", fNonLinearityFunction); |
1067 | for(Int_t i=0; i<6; i++) printf("param[%d]=%f\n",i, fNonLinearityParams[i]); | |
094786cc | 1068 | |
1069 | printf("Position Recalculation option %d, Particle Type %d, fW0 %2.2f, Recalibrate Data %d \n",fPosAlgo,fParticleType,fW0, fRecalibration); | |
bd8c7aef | 1070 | |
1071 | printf("Matching criteria: dR < %2.2f[cm], dZ < %2.2f[cm]\n",fCutR,fCutZ); | |
1072 | ||
1073 | printf("Track cuts: \n"); | |
1074 | printf("TPCRefit = %d, ITSRefit = %d\n",fCutRequireTPCRefit,fCutRequireITSRefit); | |
1075 | printf("AcceptKinks = %d\n",fCutAcceptKinkDaughters); | |
1076 | printf("MinNCulsterTPC = %d, MinNClusterITS = %d\n",fCutMinNClusterTPC,fCutMinNClusterITS); | |
1077 | printf("MaxChi2TPC = %2.2f, MaxChi2ITS = %2.2f\n",fCutMaxChi2PerClusterTPC,fCutMaxChi2PerClusterITS); | |
1078 | printf("DCSToVertex2D = %d, MaxDCAToVertexXY = %2.2f, MaxDCAToVertexZ = %2.2f\n",fCutDCAToVertex2D,fCutMaxDCAToVertexXY,fCutMaxDCAToVertexZ); | |
1079 | ||
d9b3567c | 1080 | |
1081 | } |