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45a58699 | 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 | /* $Id$ */ | |
17 | ||
18 | //*-- Authors: Andreas Morsch (CERN) | |
19 | //* J.L. Klay (LBL) | |
20 | //* Aleksei Pavlinov (WSU) | |
21 | //-- | |
22 | //-- | |
23 | // | |
24 | ||
25 | #include <stdio.h> | |
26 | // From root ... | |
27 | #include <TArrayF.h> | |
28 | #include <TAxis.h> | |
29 | #include <TBranchElement.h> | |
30 | #include <TCanvas.h> | |
31 | #include <TClonesArray.h> | |
32 | #include <TFile.h> | |
33 | #include <TH1.h> | |
34 | #include <TH2.h> | |
35 | #include <TList.h> | |
36 | #include <TPDGCode.h> | |
37 | #include <TPad.h> | |
38 | #include <TParticle.h> | |
39 | #include <TParticlePDG.h> | |
40 | #include <TPaveText.h> | |
41 | #include <TPythia6Calls.h> | |
42 | #include <TROOT.h> | |
43 | #include <TStyle.h> | |
44 | #include <TTree.h> | |
45 | #include <TBrowser.h> | |
46 | ||
47 | // From AliRoot ... | |
48 | #include "AliEMCALJetFinder.h" | |
49 | #include "AliHeader.h" | |
50 | #include "AliMagF.h" | |
51 | #include "AliMagFCM.h" | |
52 | #include "AliRun.h" | |
53 | #include "AliGenerator.h" | |
54 | #include "AliRunLoader.h" | |
55 | #include "AliEMCAL.h" | |
56 | #include "AliEMCALLoader.h" | |
57 | #include "AliEMCALDigit.h" | |
58 | #include "AliEMCALDigitizer.h" | |
59 | #include "AliEMCALFast.h" | |
60 | #include "AliEMCALGeometry.h" | |
61 | #include "AliEMCALHadronCorrection.h" | |
62 | #include "AliEMCALHit.h" | |
63 | #include "AliEMCALJetMicroDst.h" | |
64 | ||
65 | // Interface to FORTRAN | |
66 | #include "Ecommon.h" | |
67 | #include "AliMC.h" | |
68 | ||
69 | ||
70 | ClassImp(AliEMCALJetFinder) | |
71 | ||
72 | //____________________________________________________________________________ | |
73 | AliEMCALJetFinder::AliEMCALJetFinder() | |
18a21c7c | 74 | : fBGFileName(""), fEMCALWeight(0.), fTrackWeight(0.), fRandomBg(kFALSE), |
75 | fWrite(kTRUE), fWeightingMethod(kFALSE), fJets(0), fLego(0), fLegoB(0), | |
76 | fhLegoTracks(0), fhLegoEMCAL(0), fhLegoHadrCorr(0), fhEff(0), fhCellEt(0), | |
77 | fhCellEMCALEt(0), fhTrackPt(0), fhTrackPtBcut(0), fhChPartMultInTpc(0), | |
78 | fhSinTheta(0), fC1(0), fHistsList(0), fHadronCorrector(0), fHCorrection(0), | |
79 | fDebug(0), fBackground(0), fConeRadius(0.3), | |
80 | fPtCut(0.), fEtSeed(0.), fMinJetEt(0.), fMinCellEt(0.), | |
81 | fSamplingF(0.), fSmear(0), fEffic(0), fK0N(0), | |
82 | fNjets(0), fDeta(0.), fDphi(0.), fNcell(0), fNtot(0), | |
83 | fNbinEta(0), fNbinPhi(0), fEtaMin(0.), fEtaMax(0.), fPhiMin(0.), | |
84 | fPhiMax(0.), fNt(0), fNChTpc(0), fNtS(0), fTrackList(0), fPtT(0), | |
85 | fEtaT(0), fPhiT(0), fPdgT(0), fNtB(0), fTrackListB(0), fPtB(0), | |
86 | fEtaB(0),fPhiB(0), fPdgB(0), fMode(0), fMinMove(0.), fMaxMove(0.), | |
87 | fPrecBg(0.), fError(0), fOutFileName(0), fOutFile(0), fInFile(0), fEvent(0) | |
45a58699 | 88 | { |
89 | // Default constructor | |
90 | fJets = 0; | |
91 | fNjets = 0; | |
92 | fLego = 0; | |
93 | fLegoB = 0; | |
94 | ||
95 | fTrackList = 0; | |
96 | fPtT = 0; | |
97 | fEtaT = 0; | |
98 | fPhiT = 0; | |
99 | fPdgT = 0; | |
100 | ||
101 | fTrackListB = 0; | |
102 | fPtB = 0; | |
103 | fEtaB = 0; | |
104 | fPhiB = 0; | |
105 | fPdgB = 0; | |
106 | ||
107 | fHCorrection = 0; | |
108 | fHadronCorrector = 0; | |
109 | ||
110 | fWrite = 0; | |
111 | fOutFileName = 0; | |
112 | fOutFile = 0; | |
113 | fInFile = 0; | |
114 | fEvent = 0; | |
115 | ||
116 | fRandomBg = 0; | |
117 | ||
118 | SetParametersForBgSubtraction(); | |
119 | } | |
120 | ||
121 | AliEMCALJetFinder::AliEMCALJetFinder(const char* name, const char *title) | |
18a21c7c | 122 | : TTask(name, title), |
123 | fBGFileName(""), fEMCALWeight(0.), fTrackWeight(0.), fRandomBg(kFALSE), | |
124 | fWrite(kTRUE), fWeightingMethod(kFALSE), fJets(0), fLego(0), fLegoB(0), | |
125 | fhLegoTracks(0), fhLegoEMCAL(0), fhLegoHadrCorr(0), fhEff(0), fhCellEt(0), | |
126 | fhCellEMCALEt(0), fhTrackPt(0), fhTrackPtBcut(0), fhChPartMultInTpc(0), | |
127 | fhSinTheta(0), fC1(0), fHistsList(0), fHadronCorrector(0), fHCorrection(0), | |
128 | fDebug(0), fBackground(0), fConeRadius(0.3), | |
129 | fPtCut(0.), fEtSeed(0.), fMinJetEt(0.), fMinCellEt(0.), | |
130 | fSamplingF(0.), fSmear(0), fEffic(0), fK0N(0), | |
131 | fNjets(0), fDeta(0.), fDphi(0.), fNcell(0), fNtot(0), | |
132 | fNbinEta(0), fNbinPhi(0), fEtaMin(0.), fEtaMax(0.), fPhiMin(0.), | |
133 | fPhiMax(0.), fNt(0), fNChTpc(0), fNtS(0), fTrackList(0), fPtT(0), | |
134 | fEtaT(0), fPhiT(0), fPdgT(0), fNtB(0), fTrackListB(0), fPtB(0), | |
135 | fEtaB(0),fPhiB(0), fPdgB(0), fMode(0), fMinMove(0.), fMaxMove(0.), | |
136 | fPrecBg(0.), fError(0), fOutFileName(0), fOutFile(0), fInFile(0), fEvent(0) | |
45a58699 | 137 | { |
138 | // Constructor | |
139 | // Title is used in method GetFileNameForParameters(); | |
140 | // | |
141 | fJets = new TClonesArray("AliEMCALJet",10000); | |
142 | fNjets = 0; | |
143 | for (Int_t i = 0; i < 30000; i++) | |
144 | { | |
145 | fEtCell[i] = 0.; | |
146 | fEtaCell[i] = 0.; | |
147 | fPhiCell[i] = 0.; | |
148 | } | |
149 | fLego = 0; | |
150 | fLegoB = 0; | |
151 | ||
152 | fTrackList = 0; | |
153 | fPtT = 0; | |
154 | fEtaT = 0; | |
155 | fPhiT = 0; | |
156 | fPdgT = 0; | |
157 | ||
158 | fTrackListB = 0; | |
159 | fPtB = 0; | |
160 | fEtaB = 0; | |
161 | fPhiB = 0; | |
162 | fPdgB = 0; | |
163 | ||
164 | fHCorrection = 0; | |
165 | fHadronCorrector = 0; | |
166 | fBackground = 0; | |
167 | fWrite = 0; | |
168 | fOutFileName = 0; | |
169 | fOutFile = 0; | |
170 | fInFile = 0; | |
171 | fEvent = 0; | |
172 | // | |
173 | SetPtCut(); | |
174 | SetMomentumSmearing(); | |
175 | SetEfficiencySim(); | |
176 | SetDebug(); | |
177 | SetHadronCorrection(); | |
178 | SetIncludeK0andN(); | |
179 | ||
180 | fRandomBg = 0; | |
181 | SetParametersForBgSubtraction(); | |
182 | } | |
183 | ||
18a21c7c | 184 | |
185 | AliEMCALJetFinder::AliEMCALJetFinder(const AliEMCALJetFinder& jf) | |
186 | : TTask(jf.GetName(), jf.GetTitle()), | |
187 | fBGFileName(jf.fBGFileName), fEMCALWeight(jf.fEMCALWeight), fTrackWeight(jf.fTrackWeight), | |
188 | fRandomBg(jf.fRandomBg),fWrite(jf.fWrite), fWeightingMethod(jf.fWeightingMethod), fJets(jf.fJets), | |
189 | fLego(jf.fLego), fLegoB(jf.fLegoB), fhLegoTracks(jf.fhLegoTracks), fhLegoEMCAL(jf.fhLegoEMCAL), | |
190 | fhLegoHadrCorr(jf.fhLegoHadrCorr), fhEff(jf.fhEff), fhCellEt(jf.fhCellEt),fhCellEMCALEt(jf.fhCellEMCALEt), | |
191 | fhTrackPt(jf.fhTrackPt), fhTrackPtBcut(jf.fhTrackPtBcut), fhChPartMultInTpc(jf.fhChPartMultInTpc), | |
192 | fhSinTheta(jf.fhSinTheta), fC1(jf.fC1), fHistsList(jf.fHistsList), fHadronCorrector(jf.fHadronCorrector), | |
193 | fHCorrection(jf.fHCorrection),fDebug(jf.fDebug), fBackground(jf.fBackground), fConeRadius(jf.fConeRadius), | |
194 | fPtCut(jf.fPtCut), fEtSeed(jf.fEtSeed), fMinJetEt(jf.fMinJetEt), fMinCellEt(jf.fMinCellEt), | |
195 | fSamplingF(jf.fSamplingF), fSmear(jf.fSmear), fEffic(jf.fEffic), fK0N(jf.fK0N), fNjets(jf.fNjets), | |
196 | fDeta(jf.fDeta), fDphi(jf.fDphi), fNcell(jf.fNcell), fNtot(jf.fNtot), fNbinEta(jf.fNbinEta), | |
197 | fNbinPhi(jf.fNbinPhi), fEtaMin(jf.fEtaMin), fEtaMax(jf.fEtaMax), fPhiMin(jf.fPhiMin), | |
198 | fPhiMax(jf.fPhiMax), fNt(jf.fNt), fNChTpc(jf.fNChTpc), fNtS(jf.fNtS), fTrackList(jf.fTrackList), | |
199 | fPtT(jf.fPtT), fEtaT(jf.fEtaT), fPhiT(jf.fPhiT), fPdgT(jf.fPdgT), fNtB(jf.fNtB), fTrackListB(jf.fTrackListB), | |
200 | fPtB(jf.fPtB), fEtaB(jf.fEtaB),fPhiB(jf.fPhiB), fPdgB(jf.fPdgB), fMode(jf.fMode), fMinMove(jf.fMinMove), | |
201 | fMaxMove(jf.fMaxMove), fPrecBg(jf.fPrecBg), fError(jf.fError), fOutFileName(jf.fOutFileName), | |
202 | fOutFile(jf.fOutFile), fInFile(jf.fInFile), fEvent(jf.fEvent) | |
203 | { | |
204 | // Copy Constructor | |
205 | } | |
206 | ||
45a58699 | 207 | void AliEMCALJetFinder::SetParametersForBgSubtraction |
208 | (Int_t mode, Float_t minMove, Float_t maxMove, Float_t precBg) | |
209 | { | |
210 | // see file /home/pavlinov/cosmic/pythia/jetFinderParamData.inc | |
211 | // at WSU Linux cluster - 11-feb-2002 | |
212 | // These parameters must be tuned more carefull !!! | |
213 | SetMode(mode); | |
214 | SetMinMove(minMove); | |
215 | SetMaxMove(maxMove); | |
216 | SetPrecBg(precBg); | |
217 | } | |
218 | ||
219 | //____________________________________________________________________________ | |
220 | AliEMCALJetFinder::~AliEMCALJetFinder() | |
221 | { | |
222 | // Destructor | |
223 | // | |
224 | if (fJets){ | |
225 | fJets->Delete(); | |
226 | delete fJets; | |
227 | } | |
228 | delete fLego; | |
229 | delete fLegoB; | |
230 | delete fhLegoTracks; | |
231 | delete fhLegoEMCAL; | |
232 | delete fhLegoHadrCorr; | |
233 | delete fhEff; | |
234 | delete fhCellEt; | |
235 | delete fhCellEMCALEt; | |
236 | delete fhTrackPt; | |
237 | delete fhTrackPtBcut; | |
238 | delete fhChPartMultInTpc; | |
239 | ||
240 | delete[] fTrackList; | |
241 | delete[] fPtT; | |
242 | delete[] fEtaT; | |
243 | delete[] fPhiT; | |
244 | delete[] fPdgT; | |
245 | ||
246 | delete[] fTrackListB; | |
247 | delete[] fPtB; | |
248 | delete[] fEtaB; | |
249 | delete[] fPhiB; | |
250 | delete[] fPdgB; | |
251 | } | |
252 | ||
253 | #ifndef WIN32 | |
254 | # define jet_finder_ua1 jet_finder_ua1_ | |
255 | # define hf1 hf1_ | |
256 | # define type_of_call | |
257 | ||
258 | #else | |
259 | # define jet_finder_ua1 JET_FINDER_UA1 | |
260 | # define hf1 HF1 | |
261 | # define type_of_call _stdcall | |
262 | #endif | |
263 | ||
264 | extern "C" void type_of_call | |
265 | jet_finder_ua1(Int_t& ncell, Int_t& ncell_tot, | |
266 | Float_t etc[30000], Float_t etac[30000], | |
267 | Float_t phic[30000], | |
268 | Float_t& min_move, Float_t& max_move, Int_t& mode, | |
269 | Float_t& prec_bg, Int_t& ierror); | |
270 | ||
271 | extern "C" void type_of_call hf1(Int_t& id, Float_t& x, Float_t& wgt); | |
272 | ||
273 | ||
274 | void AliEMCALJetFinder::Init() | |
275 | { | |
276 | // | |
277 | // Geometry and I/O initialization | |
278 | // | |
279 | // | |
280 | // | |
281 | // Get geometry parameters from EMCAL | |
282 | // | |
283 | // | |
284 | // Geometry | |
285 | //AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
286 | AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(); | |
287 | ||
288 | // SetSamplingFraction(geom->GetSampling()); | |
289 | ||
290 | fNbinEta = geom->GetNZ(); | |
291 | fNbinPhi = geom->GetNPhi(); | |
292 | fPhiMin = geom->GetArm1PhiMin()*TMath::Pi()/180.; | |
293 | fPhiMax = geom->GetArm1PhiMax()*TMath::Pi()/180.; | |
294 | fEtaMin = geom->GetArm1EtaMin(); | |
295 | fEtaMax = geom->GetArm1EtaMax(); | |
296 | fDphi = (fPhiMax-fPhiMin)/fNbinPhi; | |
297 | fDeta = (fEtaMax-fEtaMin)/fNbinEta; | |
298 | fNtot = fNbinPhi*fNbinEta; | |
299 | fWeightingMethod = kFALSE; | |
300 | ||
301 | // | |
302 | SetCellSize(fDeta, fDphi); | |
303 | // | |
304 | // I/O | |
305 | if (fOutFileName) fOutFile = new TFile(fOutFileName, "recreate"); | |
306 | // | |
307 | // | |
308 | } | |
309 | ||
310 | void AliEMCALJetFinder::Find(Int_t ncell, Int_t ncelltot, Float_t etc[30000], | |
311 | Float_t etac[30000], Float_t phic[30000], | |
312 | Float_t minmove, Float_t maxmove, Int_t mode, | |
313 | Float_t precbg, Int_t ierror) | |
314 | { | |
315 | // Wrapper for fortran coded jet finder | |
316 | // Full argument list | |
317 | jet_finder_ua1(ncell, ncelltot, etc, etac, phic, | |
318 | minmove, maxmove, mode, precbg, ierror); | |
319 | // Write result to output | |
320 | if(fWrite) WriteJets(); | |
321 | fEvent++; | |
322 | } | |
323 | ||
324 | void AliEMCALJetFinder::Find() | |
325 | { | |
326 | // Wrapper for fortran coded jet finder using member data for | |
327 | // argument list | |
328 | ||
329 | Float_t minmove = fMinMove; | |
330 | Float_t maxmove = fMaxMove; | |
331 | Int_t mode = fMode; | |
332 | Float_t precbg = fPrecBg; | |
333 | Int_t ierror; | |
334 | ResetJets(); // 4-feb-2002 by PAI | |
335 | ||
336 | jet_finder_ua1(fNcell, fNtot, fEtCell, fEtaCell, fPhiCell, | |
337 | minmove, maxmove, mode, precbg, ierror); | |
338 | fError = ierror; | |
339 | // Write result to output | |
340 | Int_t njet = Njets(); | |
341 | ||
342 | for (Int_t nj=0; nj<njet; nj++) | |
343 | { | |
344 | if (fWeightingMethod) | |
345 | { | |
346 | fJetT[nj] = new AliEMCALJet(WeightedJetEnergy( JetEtaW(nj),JetPhiW(nj) ), | |
347 | JetPhiW(nj), | |
348 | JetEtaW(nj)); | |
349 | ||
350 | }else{ | |
351 | ||
352 | fJetT[nj] = new AliEMCALJet(JetEnergy(nj), | |
353 | JetPhiW(nj), | |
354 | JetEtaW(nj)); | |
355 | } | |
356 | fJetT[nj]->SetIsWeightedEnergy(fWeightingMethod); | |
357 | fJetT[nj]->SetEMCALEnergy( EMCALConeEnergy(JetEtaW(nj),JetPhiW(nj)) ); | |
358 | fJetT[nj]->SetTrackEnergy(TrackConeEnergy( JetEtaW(nj),JetPhiW(nj) )); | |
359 | ||
360 | } | |
361 | ||
362 | FindTracksInJetCone(); | |
363 | if(fWrite) WriteJets(); | |
364 | fEvent++; | |
365 | } | |
366 | ||
367 | ||
368 | Float_t AliEMCALJetFinder::EMCALConeEnergy(Float_t eta, Float_t phi) | |
369 | { | |
370 | // Calculate the energy in the cone | |
371 | Float_t newenergy = 0.0; | |
372 | Float_t bineta,binphi; | |
373 | TAxis *x = fhLegoEMCAL->GetXaxis(); | |
374 | TAxis *y = fhLegoEMCAL->GetYaxis(); | |
375 | for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord | |
376 | { | |
377 | for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord | |
378 | { | |
379 | bineta = x->GetBinCenter(i); | |
380 | binphi = y->GetBinCenter(j); | |
381 | if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) | |
382 | { | |
383 | newenergy += fhLegoEMCAL->GetBinContent(i,j); | |
384 | } | |
385 | } | |
386 | } | |
387 | return newenergy; | |
388 | } | |
389 | ||
390 | Float_t AliEMCALJetFinder::TrackConeEnergy(Float_t eta, Float_t phi) | |
391 | { | |
392 | // Calculate the track energy in the cone | |
393 | Float_t newenergy = 0.0; | |
394 | Float_t bineta,binphi; | |
395 | TAxis *x = fhLegoTracks->GetXaxis(); | |
396 | TAxis *y = fhLegoTracks->GetYaxis(); | |
397 | for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord | |
398 | { | |
399 | for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord | |
400 | { | |
401 | bineta = x->GetBinCenter(i); | |
402 | binphi = y->GetBinCenter(j); | |
403 | if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) | |
404 | { | |
405 | newenergy += fhLegoTracks->GetBinContent(i,j); | |
406 | } | |
407 | } | |
408 | } | |
409 | return newenergy; | |
410 | } | |
411 | ||
412 | ||
413 | Float_t AliEMCALJetFinder::WeightedJetEnergy(Float_t eta, Float_t phi) | |
414 | { | |
415 | // Calculate the weighted jet energy | |
416 | ||
417 | Float_t newenergy = 0.0; | |
418 | Float_t bineta,binphi; | |
419 | TAxis *x = fhLegoEMCAL->GetXaxis(); | |
420 | TAxis *y = fhLegoEMCAL->GetYaxis(); | |
421 | ||
422 | ||
423 | for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord | |
424 | { | |
425 | for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord | |
426 | { | |
427 | bineta = x->GetBinCenter(i); | |
428 | binphi = y->GetBinCenter(j); | |
429 | if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) | |
430 | { | |
431 | newenergy += (fEMCALWeight)* fhLegoEMCAL->GetBinContent(i,j) + (fTrackWeight)* fhLegoTracks->GetBinContent(i,j); | |
432 | } | |
433 | } | |
434 | } | |
435 | ||
436 | return newenergy; | |
437 | ||
438 | } | |
439 | ||
440 | ||
441 | Int_t AliEMCALJetFinder::Njets() const | |
442 | { | |
443 | // Get number of reconstructed jets | |
444 | return EMCALJETS.njet; | |
445 | } | |
446 | ||
447 | Float_t AliEMCALJetFinder::JetEnergy(Int_t i) const | |
448 | { | |
449 | // Get reconstructed jet energy | |
450 | return EMCALJETS.etj[i]; | |
451 | } | |
452 | ||
453 | Float_t AliEMCALJetFinder::JetPhiL(Int_t i) const | |
454 | { | |
455 | // Get reconstructed jet phi from leading particle | |
456 | return EMCALJETS.phij[0][i]; | |
457 | } | |
458 | ||
459 | Float_t AliEMCALJetFinder::JetPhiW(Int_t i) const | |
460 | { | |
461 | // Get reconstructed jet phi from weighting | |
462 | return EMCALJETS.phij[1][i]; | |
463 | } | |
464 | ||
465 | Float_t AliEMCALJetFinder::JetEtaL(Int_t i) const | |
466 | { | |
467 | // Get reconstructed jet eta from leading particles | |
468 | return EMCALJETS.etaj[0][i]; | |
469 | } | |
470 | ||
471 | ||
472 | Float_t AliEMCALJetFinder::JetEtaW(Int_t i) const | |
473 | { | |
474 | // Get reconstructed jet eta from weighting | |
475 | return EMCALJETS.etaj[1][i]; | |
476 | } | |
477 | ||
478 | void AliEMCALJetFinder::SetCellSize(Float_t eta, Float_t phi) | |
479 | { | |
480 | // Set grid cell size | |
481 | EMCALCELLGEO.etaCellSize = eta; | |
482 | EMCALCELLGEO.phiCellSize = phi; | |
483 | } | |
484 | ||
485 | void AliEMCALJetFinder::SetConeRadius(Float_t par) | |
486 | { | |
487 | // Set jet cone radius | |
488 | EMCALJETPARAM.coneRad = par; | |
489 | fConeRadius = par; | |
490 | } | |
491 | ||
492 | void AliEMCALJetFinder::SetEtSeed(Float_t par) | |
493 | { | |
494 | // Set et cut for seeds | |
495 | EMCALJETPARAM.etSeed = par; | |
496 | fEtSeed = par; | |
497 | } | |
498 | ||
499 | void AliEMCALJetFinder::SetMinJetEt(Float_t par) | |
500 | { | |
501 | // Set minimum jet et | |
502 | EMCALJETPARAM.ejMin = par; | |
503 | fMinJetEt = par; | |
504 | } | |
505 | ||
506 | void AliEMCALJetFinder::SetMinCellEt(Float_t par) | |
507 | { | |
508 | // Set et cut per cell | |
509 | EMCALJETPARAM.etMin = par; | |
510 | fMinCellEt = par; | |
511 | } | |
512 | ||
513 | void AliEMCALJetFinder::SetPtCut(Float_t par) | |
514 | { | |
515 | // Set pT cut on charged tracks | |
516 | fPtCut = par; | |
517 | } | |
518 | ||
519 | ||
520 | void AliEMCALJetFinder::Test() | |
521 | { | |
522 | // | |
523 | // Test the finder call | |
524 | // | |
525 | const Int_t knmax = 30000; | |
526 | Int_t ncell = 10; | |
527 | Int_t ncelltot = 100; | |
528 | ||
529 | Float_t etc[knmax]; | |
530 | Float_t etac[knmax]; | |
531 | Float_t phic[knmax]; | |
532 | Float_t minmove = 0; | |
533 | Float_t maxmove = 0; | |
534 | Int_t mode = 0; | |
535 | Float_t precbg = 0; | |
536 | Int_t ierror = 0; | |
537 | ||
538 | ||
539 | Find(ncell, ncelltot, etc, etac, phic, | |
540 | minmove, maxmove, mode, precbg, ierror); | |
541 | ||
542 | } | |
543 | ||
544 | // | |
545 | // I/O | |
546 | // | |
547 | ||
548 | void AliEMCALJetFinder::AddJet(const AliEMCALJet& jet) | |
549 | { | |
550 | // | |
551 | // Add a jet | |
552 | // | |
553 | TClonesArray &lrawcl = *fJets; | |
554 | new(lrawcl[fNjets++]) AliEMCALJet(jet); | |
555 | } | |
556 | ||
557 | void AliEMCALJetFinder::ResetJets() | |
558 | { | |
559 | // | |
560 | // Reset Jet List | |
561 | // | |
562 | fJets->Clear(); | |
563 | fNjets = 0; | |
564 | } | |
565 | ||
566 | void AliEMCALJetFinder::WriteJets() | |
567 | { | |
568 | // | |
569 | // Add all jets to the list | |
570 | // | |
571 | const Int_t kBufferSize = 4000; | |
572 | const char* file = 0; | |
573 | ||
574 | Int_t njet = Njets(); | |
575 | ||
576 | for (Int_t nj = 0; nj < njet; nj++) | |
577 | { | |
578 | AddJet(*fJetT[nj]); | |
579 | delete fJetT[nj]; | |
580 | } | |
581 | ||
582 | // I/O | |
583 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); | |
584 | AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL")); | |
585 | ||
586 | if (!fOutFileName) { | |
587 | // | |
588 | // output written to input file | |
589 | // | |
590 | AliEMCAL* pEMCAL = (AliEMCAL* )gAlice->GetModule("EMCAL"); | |
591 | TTree* pK = rl->TreeK(); | |
592 | file = (pK->GetCurrentFile())->GetName(); | |
593 | TBranch * jetBranch ; | |
594 | if (fDebug > 1) | |
595 | printf("Make Branch - TreeR address %p %p\n",(void*)gAlice->TreeR(), (void*)pEMCAL); | |
596 | //if (fJets && gAlice->TreeR()) { | |
597 | if (fJets && emcalLoader->TreeR()) { | |
598 | // pEMCAL->MakeBranchInTree(gAlice->TreeR(), | |
599 | jetBranch = emcalLoader->TreeR()->Branch("EMCALJets", &fJets, kBufferSize, 0) ; | |
600 | //pEMCAL->MakeBranchInTree(gime->TreeR(), | |
601 | // "EMCALJets", | |
602 | // &fJets, | |
603 | // kBufferSize, | |
604 | // file); | |
605 | ||
606 | //Int_t nev = gAlice->GetHeader()->GetEvent(); | |
607 | //gAlice->TreeR()->Fill(); | |
608 | jetBranch->Fill(); | |
609 | //char hname[30]; | |
610 | //sprintf(hname,"TreeR%d", nev); | |
611 | //gAlice->TreeR()->Write(hname); | |
612 | //gAlice->TreeR()->Reset(); | |
613 | //gime->WriteRecPoints("OVERWRITE"); | |
614 | emcalLoader->WriteRecPoints("OVERWRITE"); | |
615 | } | |
616 | } else { | |
617 | // | |
618 | // Output written to user specified output file | |
619 | // | |
620 | //TTree* pK = gAlice->TreeK(); | |
621 | TTree* pK = rl->TreeK(); | |
622 | fInFile = pK->GetCurrentFile(); | |
623 | ||
624 | fOutFile->cd(); | |
625 | char hname[30]; | |
626 | sprintf(hname,"TreeR%d", fEvent); | |
627 | TTree* treeJ = new TTree(hname, "EMCALJets"); | |
628 | treeJ->Branch("EMCALJets", &fJets, kBufferSize); | |
629 | treeJ->Fill(); | |
630 | treeJ->Write(hname); | |
631 | fInFile->cd(); | |
632 | } | |
633 | ResetJets(); | |
634 | } | |
635 | ||
636 | void AliEMCALJetFinder::BookLego() | |
637 | { | |
638 | // | |
639 | // Book histo for discretization | |
640 | // | |
641 | ||
642 | // | |
643 | // Don't add histos to the current directory | |
644 | if(fDebug) printf("\n AliEMCALJetFinder::BookLego() \n"); | |
645 | ||
646 | // TH2::AddDirectory(0); // hists wil be put to the list from gROOT | |
647 | // TH1::AddDirectory(0); | |
648 | gROOT->cd(); | |
649 | // | |
650 | // Signal map | |
651 | fLego = new TH2F("legoH","eta-phi", | |
652 | fNbinEta, fEtaMin, fEtaMax, | |
653 | fNbinPhi, fPhiMin, fPhiMax); | |
654 | // | |
655 | // Background map | |
656 | fLegoB = new TH2F("legoB","eta-phi for BG event", | |
657 | fNbinEta, fEtaMin, fEtaMax, | |
658 | fNbinPhi, fPhiMin, fPhiMax); | |
659 | ||
660 | // Tracks map | |
661 | fhLegoTracks = new TH2F("hLegoTracks","eta-phi for Tracks", | |
662 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); | |
663 | // EMCAL map | |
664 | fhLegoEMCAL = new TH2F("hLegoEMCAL","eta-phi for EMCAL", | |
665 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); | |
666 | // Hadron correction map | |
667 | fhLegoHadrCorr = new TH2F("hLegoHadrCorr","eta-phi for Hadron. Correction", | |
668 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); | |
669 | // Hists. for tuning jet finder | |
670 | fhEff = new TH2F("hEff","#epsilon vs momentum ", 100,0.,20., 50,0.5,1.); | |
671 | ||
672 | TArrayF eTmp(1101); | |
673 | eTmp[0] = 0.0; | |
674 | for(Int_t i=1; i<=1000; i++) eTmp[i] = 0.1*i; // step 100 mev | |
675 | for(Int_t i=1001; i<=1100; i++) eTmp[i] = eTmp[1000] + 1.0*(i-1000); // step 1GeV | |
676 | ||
677 | fhCellEt = new TH1F("hCellEt","Cell E_{T} from fLego", | |
678 | eTmp.GetSize()-1, eTmp.GetArray()); | |
679 | fhCellEMCALEt = new TH1F("hCellEMCALEt","Cell E_{T} for EMCAL itself", | |
680 | eTmp.GetSize()-1, eTmp.GetArray()); | |
681 | fhTrackPt = new TH1F("hTrackPt","Ch.particles P_{T} ", | |
682 | eTmp.GetSize()-1, eTmp.GetArray()); | |
683 | fhTrackPtBcut = new TH1F("hTrackPtBcut","Ch.particles P_{T} + magnetic field cut", | |
684 | eTmp.GetSize()-1, eTmp.GetArray()); | |
685 | ||
686 | fhChPartMultInTpc = new TH1F("hChPartMultInTpc", | |
687 | "Charge partilcle multiplicity in |%eta|<0.9", 2000, 0, 20000); | |
688 | ||
689 | fhSinTheta = new TH1F("fhSinTheta","sin(theta)", fNbinEta, fEtaMin, fEtaMax); | |
690 | TAxis *xax = fhSinTheta->GetXaxis(); | |
691 | for(Int_t i=1; i<=fNbinEta; i++) { | |
692 | Double_t eta = xax->GetBinCenter(i); | |
693 | fhSinTheta->Fill(eta, 1./TMath::CosH(eta)); // cosh(eta) = 1./sin(theta) | |
694 | } | |
695 | ||
696 | //! first canvas for drawing | |
697 | fHistsList=AliEMCALJetMicroDst::MoveHistsToList("Hists from AliEMCALJetFinder", kFALSE); | |
698 | } | |
699 | ||
700 | void AliEMCALJetFinder::DumpLego() | |
701 | { | |
702 | // | |
703 | // Dump lego histo into array | |
704 | // | |
705 | fNcell = 0; | |
706 | TAxis* xaxis = fLego->GetXaxis(); | |
707 | TAxis* yaxis = fLego->GetYaxis(); | |
708 | // fhCellEt->Clear(); | |
709 | Float_t e, eH; | |
710 | for (Int_t i = 1; i <= fNbinEta; i++) { | |
711 | for (Int_t j = 1; j <= fNbinPhi; j++) { | |
712 | ||
713 | e = fLego->GetBinContent(i,j); | |
714 | if (fRandomBg) { | |
715 | if (gRandom->Rndm() < 0.5) { | |
716 | Float_t ebg = 0.28 * TMath::Abs(gRandom->Gaus(0.,1.)); | |
717 | e += ebg; | |
718 | } | |
719 | } | |
720 | if (e > 0.0) e -= fMinCellEt; | |
721 | if (e < 0.0) e = 0.; | |
722 | Float_t eta = xaxis->GetBinCenter(i); | |
723 | Float_t phi = yaxis->GetBinCenter(j); | |
724 | fEtCell[fNcell] = e; | |
725 | fEtaCell[fNcell] = eta; | |
726 | fPhiCell[fNcell] = phi; | |
727 | fNcell++; | |
728 | fhCellEt->Fill(e); | |
729 | if(fhLegoEMCAL) { | |
730 | eH = fhLegoEMCAL->GetBinContent(i,j); | |
731 | if(eH > 0.0) fhCellEMCALEt->Fill(eH); | |
732 | } | |
733 | } // phi | |
734 | } // eta | |
735 | // today | |
736 | // fNcell--; | |
737 | } | |
738 | ||
739 | void AliEMCALJetFinder::ResetMap() | |
740 | { | |
741 | // | |
742 | // Reset eta-phi array | |
743 | ||
744 | for (Int_t i=0; i<30000; i++) | |
745 | { | |
746 | fEtCell[i] = 0.; | |
747 | fEtaCell[i] = 0.; | |
748 | fPhiCell[i] = 0.; | |
749 | } | |
750 | } | |
751 | ||
752 | ||
753 | void AliEMCALJetFinder::FillFromTracks(Int_t flag, Int_t ich) | |
754 | { | |
755 | // Which generator | |
756 | // | |
757 | const char* name = gAlice->Generator()->GetName(); | |
758 | enum {kPythia, kHijing, kHijingPara}; | |
759 | Int_t genType = 0; | |
760 | ||
761 | if (!strcmp(name, "Hijing")){ | |
762 | genType = kHijing; | |
763 | } else if (!strcmp(name, "Pythia")) { | |
764 | genType = kPythia; | |
765 | } else if (!strcmp(name, "HIJINGpara") ||!strcmp(name, "HIGINGpara")) { | |
766 | genType = kHijingPara; | |
767 | } | |
768 | if (fDebug>=2) | |
769 | printf("Fill tracks generated by %s %d\n", name, genType); | |
770 | ||
771 | ||
772 | // | |
773 | // Fill Cells with track information | |
774 | // | |
775 | if (fDebug >= 2) | |
776 | printf("\n AliEMCALJetFinder::FillFromTracks(%i,%i) ",flag,ich); | |
777 | fNChTpc = 0; | |
778 | ||
779 | ResetMap(); | |
780 | ||
781 | if (!fLego) BookLego(); | |
782 | // Reset | |
783 | if (flag == 0) fLego->Reset(); | |
784 | // | |
785 | // Access particle information | |
786 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
787 | Int_t ntr = (gAlice->GetHeader())->GetNtrack(); | |
788 | printf(" : #primary particles %i # tracks %i : (before) Sum.Et %f\n", | |
789 | npart, ntr, fLego->Integral()); | |
790 | ||
791 | // Create track list | |
792 | // | |
793 | // 0: not selected | |
794 | // 1: selected for jet finding | |
795 | // 2: inside jet | |
796 | // .... | |
797 | if (fTrackList) delete[] fTrackList; | |
798 | if (fPtT) delete[] fPtT; | |
799 | if (fEtaT) delete[] fEtaT; | |
800 | if (fPhiT) delete[] fPhiT; | |
801 | if (fPdgT) delete[] fPdgT; | |
802 | ||
803 | fTrackList = new Int_t [npart]; | |
804 | fPtT = new Float_t[npart]; | |
805 | fEtaT = new Float_t[npart]; | |
806 | fPhiT = new Float_t[npart]; | |
807 | fPdgT = new Int_t[npart]; | |
808 | ||
809 | fNt = npart; | |
810 | fNtS = 0; | |
811 | Float_t chTmp=0.0; // charge of current particle | |
812 | // Int_t idGeant; | |
813 | ||
814 | // this is for Pythia ?? | |
815 | for (Int_t part = 0; part < npart; part++) { | |
816 | TParticle *mPart = gAlice->GetMCApp()->Particle(part); | |
817 | Int_t mpart = mPart->GetPdgCode(); | |
818 | Int_t child1 = mPart->GetFirstDaughter(); | |
819 | Float_t pT = mPart->Pt(); | |
820 | Float_t p = mPart->P(); | |
821 | Float_t phi = mPart->Phi(); | |
822 | Float_t eta = -100.; | |
823 | if(pT > 0.001) eta = mPart->Eta(); | |
824 | Float_t theta = mPart->Theta(); | |
825 | if (fDebug>=2 && mPart->GetStatusCode()==1) { | |
826 | printf("ind %7i part %7i -> child1 %5i child2 %5i Status %5i\n", | |
827 | part, mpart, child1, mPart->GetLastDaughter(), mPart->GetStatusCode()); | |
828 | } | |
829 | ||
830 | if (fDebug >= 2 && genType == kPythia) { | |
831 | if (part == 6 || part == 7) | |
832 | { | |
833 | printf("\n Simulated Jet (pt, eta, phi): %d %f %f %f\n", | |
834 | part-5, pT, eta, phi); | |
835 | } | |
836 | } | |
837 | ||
838 | fTrackList[part] = 0; | |
839 | fPtT[part] = pT; // must be change after correction for resolution !!! | |
840 | fEtaT[part] = eta; | |
841 | fPhiT[part] = phi; | |
842 | fPdgT[part] = mpart; | |
843 | ||
844 | // final state particles only | |
845 | ||
846 | if (genType == kPythia) { | |
847 | if (mPart->GetStatusCode() != 1) continue; | |
848 | } else if (genType == kHijing) { | |
849 | if (child1 >= 0 && child1 < npart) continue; | |
850 | } | |
851 | ||
852 | ||
853 | TParticlePDG* pdgP = 0; | |
854 | // charged or neutral | |
855 | pdgP = mPart->GetPDG(); | |
856 | chTmp = pdgP->Charge() / 3.; // 13-feb-2001!! | |
857 | ||
858 | if (ich == 0) { | |
859 | if (chTmp == 0) { | |
860 | if (!fK0N) { | |
861 | continue; | |
862 | } else { | |
863 | if (mpart != kNeutron && | |
864 | mpart != kNeutronBar && | |
865 | mpart != kK0Long) continue; | |
866 | } | |
867 | } | |
868 | } else if (ich == 2) { | |
869 | if (mpart == kNeutron || | |
870 | mpart == kNeutronBar || | |
871 | mpart == kK0Long) continue; | |
872 | } | |
873 | ||
874 | if (TMath::Abs(eta)<=0.9) fNChTpc++; | |
875 | // final state only | |
876 | if (child1 >= 0 && child1 < npart) continue; | |
877 | // acceptance cut | |
878 | if (eta > fEtaMax || eta < fEtaMin) continue; | |
879 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
880 | // | |
881 | if (fDebug >= 3) | |
882 | printf("\n=>nsel:%5d mpart %5d child1 %5d eta %6.2f phi %6.2f pT %6.2f ch %3.0f ", | |
883 | part, mpart, child1, eta, phi, pT, chTmp); | |
884 | // | |
885 | // | |
886 | // Momentum smearing goes here ... | |
887 | // | |
888 | fhTrackPt->Fill(pT); | |
889 | Float_t pw; | |
890 | if (fSmear && TMath::Abs(chTmp)) { | |
891 | pw = AliEMCALFast::SmearMomentum(1,p); | |
892 | // p changed - take into account when calculate pT, | |
893 | // pz and so on .. ? | |
894 | pT = (pw/p) * pT; | |
895 | if(fDebug >= 4) printf("\n Smearing : p %8.4f change to %8.4f ", p, pw); | |
896 | p = pw; | |
897 | } | |
898 | // | |
899 | // Tracking Efficiency and TPC acceptance goes here ... | |
900 | Float_t eff; | |
901 | if (fEffic && TMath::Abs(chTmp)) { | |
902 | eff = 0.9; // AliEMCALFast::Efficiency(2,p); | |
903 | if(fhEff) fhEff->Fill(p, eff); | |
904 | if (AliEMCALFast::RandomReject(eff)) { | |
905 | if(fDebug >= 5) printf(" reject due to unefficiency "); | |
906 | continue; | |
907 | } | |
908 | } | |
909 | // | |
910 | // Correction of Hadronic Energy goes here ... | |
911 | // | |
912 | // | |
913 | // phi propagation for hadronic correction | |
914 | ||
915 | Bool_t curls = kFALSE; // hit two the EMCAL (no curl) | |
916 | Float_t phiHC=0.0, dpH=0.0, dphi=0.0, eTdpH=0; | |
917 | if(TMath::Abs(chTmp)) { | |
918 | // hadr. correction only for charge particle | |
919 | dphi = PropagatePhi(pT, chTmp, curls); | |
920 | phiHC = phi + dphi; | |
921 | if (fDebug >= 6) { | |
922 | printf("\n Delta phi %f pT %f ", dphi, pT); | |
923 | if (curls) printf("\n !! Track is curling"); | |
924 | } | |
925 | if(!curls) fhTrackPtBcut->Fill(pT); | |
926 | ||
927 | if (fHCorrection && !curls) { | |
928 | if (!fHadronCorrector) | |
929 | Fatal("AliEMCALJetFinder", | |
930 | "Hadronic energy correction required but not defined !"); | |
931 | ||
932 | dpH = fHadronCorrector->GetEnergy(p, eta, 7); | |
933 | eTdpH = dpH*TMath::Sin(theta); | |
934 | ||
935 | if (fDebug >= 7) printf(" phi %f phiHC %f eTcorr %f\n", | |
936 | phi, phiHC, -eTdpH); // correction is negative | |
937 | Int_t xbin,ybin; | |
938 | xbin = fLego->GetXaxis()->FindBin(eta); | |
939 | ybin = fLego->GetYaxis()->FindBin(phiHC); | |
940 | cout <<"Hadron Correction affected bin - contents before correction : "<<fLego->GetBinContent(xbin,ybin)<<endl; | |
941 | fLego->Fill(eta, phi, -fSamplingF*eTdpH ); | |
942 | cout <<"Hadron Correction affected bin - contents after correction : "<<fLego->GetBinContent(xbin,ybin)<<endl; | |
943 | fhLegoHadrCorr->Fill(eta, phi, fSamplingF*eTdpH); | |
944 | } | |
945 | } | |
946 | // | |
947 | // More to do ? Just think about it ! | |
948 | // | |
949 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
950 | ||
951 | if(TMath::Abs(chTmp) ) { // charge particle | |
952 | if (pT > fPtCut && !curls) { | |
953 | if (fDebug >= 8) printf("Charge : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", | |
954 | eta , phi, pT, fNtS); | |
955 | fLego->Fill(eta, phi, pT); | |
956 | fhLegoTracks->Fill(eta, phi, pT); // 20-feb for checking | |
957 | fTrackList[part] = 1; | |
958 | fNtS++; | |
959 | } | |
960 | } else if(ich > 0 || fK0N) { | |
961 | // case of n, nbar and K0L | |
962 | if (fDebug >= 9) printf("Neutral : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", | |
963 | eta , phi, pT, fNtS); | |
964 | fLego->Fill(eta, phi, pT); | |
965 | fTrackList[part] = 1; | |
966 | fNtS++; | |
967 | } | |
968 | } // primary loop | |
969 | Float_t etsum = 0.; | |
970 | for(Int_t i=0; i<fLego->GetSize(); i++) { | |
971 | Float_t etc = (*fLego)[i]; | |
972 | if (etc > fMinCellEt) etsum += etc; | |
973 | } | |
974 | ||
975 | printf("FillFromTracks: Sum above threshold %f -> %f (%f)\n", fMinCellEt, etsum, fLego->Integral()); | |
976 | printf(" Track selected(fNtS) %i \n", fNtS); | |
977 | ||
978 | DumpLego(); | |
979 | } | |
980 | ||
981 | void AliEMCALJetFinder::FillFromHits(Int_t flag) | |
982 | { | |
983 | // | |
984 | // Fill Cells with hit information | |
985 | // | |
986 | // | |
987 | if (fDebug >= 2) | |
988 | printf("\n AliEMCALJetFinder::FillFromHits(%i)\n",flag); | |
989 | ||
990 | ResetMap(); | |
991 | ||
992 | if (!fLego) BookLego(); | |
993 | // Reset eta-phi maps if needed | |
994 | if (flag == 0) { // default behavior | |
995 | fLego->Reset(); | |
996 | fhLegoTracks->Reset(); | |
997 | fhLegoEMCAL->Reset(); | |
998 | fhLegoHadrCorr->Reset(); | |
999 | } | |
1000 | // Initialize from background event if available | |
1001 | // | |
1002 | // Access hit information | |
1003 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
1004 | AliLoader *emcalLoader = AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"); | |
1005 | TTree *treeH = emcalLoader->TreeH(); | |
1006 | Int_t ntracks = (Int_t) treeH->GetEntries(); | |
1007 | // | |
1008 | // Loop over tracks | |
1009 | // | |
1010 | Int_t nbytes = 0; | |
1011 | // Double_t etH = 0.0; | |
1012 | ||
1013 | for (Int_t track=0; track<ntracks;track++) { | |
1014 | gAlice->ResetHits(); | |
1015 | nbytes += treeH->GetEvent(track); | |
1016 | // | |
1017 | // Loop over hits | |
1018 | // | |
1019 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); | |
1020 | mHit; | |
1021 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) | |
1022 | { | |
1023 | Float_t x = mHit->X(); // x-pos of hit | |
1024 | Float_t y = mHit->Y(); // y-pos | |
1025 | Float_t z = mHit->Z(); // z-pos | |
1026 | Float_t eloss = mHit->GetEnergy(); // deposited energy | |
1027 | ||
1028 | Float_t r = TMath::Sqrt(x*x+y*y); | |
1029 | Float_t theta = TMath::ATan2(r,z); | |
1030 | Float_t eta = -TMath::Log(TMath::Tan(theta/2.)); | |
1031 | Float_t phi = TMath::ATan2(y,x); | |
1032 | ||
1033 | if (fDebug >= 21) printf("\n Hit %f %f %f %f %f %f %f %f", x, y, z, eloss, r, eta, phi, fSamplingF); | |
1034 | ||
1035 | // etH = fSamplingF*eloss*TMath::Sin(theta); | |
1036 | fLego->Fill(eta, phi, eloss); | |
1037 | } // Hit Loop | |
1038 | } // Track Loop | |
1039 | ||
1040 | // Transition from deposit energy to eT (eT = de*SF*sin(theta)) | |
1041 | Double_t etsum = 0; | |
1042 | for(Int_t i=1; i<=fLego->GetNbinsX(); i++){ // eta | |
1043 | Double_t sinTheta = fhSinTheta->GetBinContent(i), eT=0; | |
1044 | for(Int_t j=1; j<=fLego->GetNbinsY(); j++){ // phi | |
1045 | eT = fLego->GetBinContent(i,j)*fSamplingF*sinTheta; | |
1046 | fLego->SetBinContent(i,j,eT); | |
1047 | // copy content of fLego to fhLegoEMCAL (fLego and fhLegoEMCAL are identical) | |
1048 | fhLegoEMCAL->SetBinContent(i,j,eT); | |
1049 | if (eT > fMinCellEt) etsum += eT; | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | // for(Int_t i=0; i<fLego->GetSize(); i++) { | |
1054 | // (*fhLegoEMCAL)[i] = (*fLego)[i]; | |
1055 | // Float_t etc = (*fLego)[i]; | |
1056 | // if (etc > fMinCellEt) etsum += etc; | |
1057 | // } | |
1058 | ||
1059 | printf("FillFromHits: Sum above threshold %f -> %f \n ", fMinCellEt, etsum); | |
1060 | // DumpLego(); ?? | |
1061 | } | |
1062 | ||
1063 | void AliEMCALJetFinder::FillFromDigits(Int_t flag) | |
1064 | { | |
1065 | // | |
1066 | // Fill Cells with digit information | |
1067 | // | |
1068 | // | |
1069 | ResetMap(); | |
1070 | ||
1071 | if (!fLego) BookLego(); | |
1072 | if (flag == 0) fLego->Reset(); | |
1073 | Int_t nbytes=0; | |
1074 | ||
1075 | ||
1076 | // | |
1077 | // Connect digits | |
1078 | // | |
1079 | TClonesArray* digs = new TClonesArray("AliEMCALDigit", 10000); | |
1080 | TTree *treeD = gAlice->TreeD(); | |
1081 | TBranchElement* branchDg = (TBranchElement*) | |
1082 | treeD->GetBranch("EMCAL"); | |
1083 | ||
1084 | if (!branchDg) Fatal("AliEMCALJetFinder", | |
1085 | "Reading digits requested but no digits in file !"); | |
1086 | ||
1087 | branchDg->SetAddress(&digs); | |
1088 | Int_t nent = (Int_t) branchDg->GetEntries(); | |
1089 | // | |
1090 | // Connect digitizer | |
1091 | // | |
1092 | AliEMCALDigitizer* digr = new AliEMCALDigitizer(); | |
1093 | TBranchElement* branchDr = (TBranchElement*) | |
1094 | treeD->GetBranch("AliEMCALDigitizer"); | |
1095 | branchDr->SetAddress(&digr); | |
1096 | // | |
1097 | // | |
1098 | nbytes += branchDg->GetEntry(0); | |
1099 | nbytes += branchDr->GetEntry(0); | |
1100 | // | |
1101 | // Get digitizer parameters | |
1102 | Float_t ecADCped = digr->GetECApedestal(); | |
1103 | Float_t ecADCcha = digr->GetECAchannel(); | |
1104 | ||
1105 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
1106 | AliEMCALGeometry* geom = | |
1107 | AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); | |
1108 | ||
1109 | if (fDebug) { | |
1110 | Int_t ndig = digs->GetEntries(); | |
1111 | Info("FillFromDigits","Number of Digits: %d %d\n Parameters: EC: %f %f\n Geometry: %d %d", | |
1112 | ndig, nent, ecADCped, ecADCcha, geom->GetNEta(), geom->GetNPhi()); | |
1113 | } | |
1114 | ||
1115 | // | |
1116 | // Loop over digits | |
1117 | AliEMCALDigit* sdg; | |
1118 | TIter next(digs); | |
1119 | while ((sdg = (AliEMCALDigit*)(next()))) | |
1120 | { | |
1121 | Double_t pedestal = 0.; | |
1122 | Double_t channel = 0.; | |
dc7da436 | 1123 | if (geom->CheckAbsCellId(sdg->GetId())) { // May 31, 2006; IsInECA(Int_t) -> CheckAbsCellId |
45a58699 | 1124 | pedestal = ecADCped; |
1125 | channel = ecADCcha; | |
1126 | } | |
1127 | else | |
1128 | Fatal("FillFromDigits", "unexpected digit is number!") ; | |
1129 | ||
1130 | Float_t eta = sdg->GetEta(); | |
1131 | Float_t phi = sdg->GetPhi() * TMath::Pi()/180.; | |
1132 | Float_t amp = (Float_t) (channel*(sdg->GetAmp())-pedestal); | |
1133 | ||
1134 | if (fDebug > 1) | |
1135 | Info("FillFromDigits", "Digit: eta %8.3f phi %8.3f amp %8.3f %8d", | |
1136 | eta, phi, amp, sdg->GetAmp()); | |
1137 | ||
1138 | fLego->Fill(eta, phi, fSamplingF*amp); | |
1139 | } // digit loop | |
1140 | // | |
1141 | // Dump lego hist | |
1142 | DumpLego(); | |
1143 | } | |
1144 | ||
1145 | ||
1146 | void AliEMCALJetFinder::FillFromHitFlaggedTracks(Int_t flag) | |
1147 | { | |
1148 | // | |
1149 | // Fill Cells with hit information | |
1150 | // | |
1151 | // | |
1152 | ResetMap(); | |
1153 | ||
1154 | if (!fLego) BookLego(); | |
1155 | // Reset | |
1156 | if (flag == 0) fLego->Reset(); | |
1157 | ||
1158 | // Flag charged tracks passing through TPC which | |
1159 | // are associated to EMCAL Hits | |
1160 | BuildTrackFlagTable(); | |
1161 | ||
1162 | // | |
1163 | // Access particle information | |
1164 | TTree *treeK = gAlice->TreeK(); | |
1165 | Int_t ntracks = (Int_t) treeK->GetEntries(); | |
1166 | ||
1167 | if (fPtT) delete[] fPtT; | |
1168 | if (fEtaT) delete[] fEtaT; | |
1169 | if (fPhiT) delete[] fPhiT; | |
1170 | if (fPdgT) delete[] fPdgT; | |
1171 | ||
1172 | fPtT = new Float_t[ntracks]; | |
1173 | fEtaT = new Float_t[ntracks]; | |
1174 | fPhiT = new Float_t[ntracks]; | |
1175 | fPdgT = new Int_t[ntracks]; | |
1176 | ||
1177 | fNt = ntracks; | |
1178 | fNtS = 0; | |
1179 | ||
1180 | for (Int_t track = 0; track < ntracks; track++) { | |
1181 | TParticle *mPart = gAlice->GetMCApp()->Particle(track); | |
1182 | Float_t pT = mPart->Pt(); | |
1183 | Float_t phi = mPart->Phi(); | |
1184 | Float_t eta = mPart->Eta(); | |
1185 | ||
1186 | if(fTrackList[track]) { | |
1187 | fPtT[track] = pT; | |
1188 | fEtaT[track] = eta; | |
1189 | fPhiT[track] = phi; | |
1190 | fPdgT[track] = mPart->GetPdgCode(); | |
1191 | ||
1192 | if (track < 2) continue; //Colliding particles? | |
1193 | if (pT == 0 || pT < fPtCut) continue; | |
1194 | fNtS++; | |
1195 | fLego->Fill(eta, phi, pT); | |
1196 | } | |
1197 | } // track loop | |
1198 | DumpLego(); | |
1199 | } | |
1200 | ||
1201 | void AliEMCALJetFinder::FillFromParticles() | |
1202 | { | |
1203 | // 26-feb-2002 PAI - for checking all chain | |
1204 | // Work on particles level; accept all particle (not neutrino ) | |
1205 | ||
1206 | Double_t pX=0, pY=0, pZ=0, energy=0; // checking conservation law | |
1207 | fNChTpc = 0; | |
1208 | ||
1209 | ResetMap(); | |
1210 | if (!fLego) BookLego(); | |
1211 | fLego->Reset(); | |
1212 | // | |
1213 | // Access particles information | |
1214 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
1215 | if (fDebug >= 2 || npart<=0) { | |
1216 | printf(" AliEMCALJetFinder::FillFromParticles : npart %i\n", npart); | |
1217 | if(npart<=0) return; | |
1218 | } | |
1219 | fNt = npart; | |
1220 | fNtS = 0; | |
1221 | RearrangeParticlesMemory(npart); | |
1222 | ||
1223 | // Go through the particles | |
1224 | Int_t mpart, child1, child2, geantPdg; | |
1225 | Float_t pT, phi, eta, e=0, px=0, py=0, pz=0; | |
1226 | TParticle *mPart=0; | |
1227 | for (Int_t part = 0; part < npart; part++) { | |
1228 | ||
1229 | fTrackList[part] = 0; | |
1230 | ||
1231 | mPart = gAlice->GetMCApp()->Particle(part); | |
1232 | mpart = mPart->GetPdgCode(); | |
1233 | child1 = mPart->GetFirstDaughter(); | |
1234 | child2 = mPart->GetLastDaughter(); | |
1235 | pT = mPart->Pt(); | |
1236 | phi = mPart->Phi(); | |
1237 | eta = mPart->Eta(); | |
1238 | ||
1239 | px = mPart->Px(); | |
1240 | py = mPart->Py(); | |
1241 | pz = mPart->Pz(); | |
1242 | e = mPart->Energy(); | |
1243 | ||
1244 | // see pyedit in Pythia's text | |
1245 | geantPdg = mpart; | |
1246 | if (IsThisPartonsOrDiQuark(mpart)) continue; | |
1247 | printf("%5i: %5i(%2i) px %5.1f py %5.1f pz %6.1f e %6.1f childs %5i,%5i \n", | |
1248 | part, mpart, geantPdg, px, py, pz, e, child1, child2); | |
1249 | ||
1250 | // exclude partons (21 - gluon, 92 - string) | |
1251 | ||
1252 | ||
1253 | // exclude neutrinous also ?? | |
1254 | if (fDebug >= 11 && pT>0.01) | |
1255 | printf("\n part:%5d mpart %5d eta %9.2f phi %9.2f pT %9.2f ", | |
1256 | part, mpart, eta, phi, pT); | |
1257 | ||
1258 | fPtT[part] = pT; | |
1259 | fEtaT[part] = eta; | |
1260 | fPhiT[part] = phi; | |
1261 | fPdgT[part] = mpart; | |
1262 | fNtS++; | |
1263 | ||
1264 | // final state only | |
1265 | if (child1 >= 0 && child1 < npart) continue; | |
1266 | ||
1267 | // printf("%4i -> %5i(%3i) px %6.1f py %6.1f pz %7.1f e %8.2f child1 %5i %s\n", | |
1268 | // part, mpart, geantPdg, px, py, pz, e, child1, name.Data()); | |
1269 | pX += px; | |
1270 | pY += py; | |
1271 | pZ += pz; | |
1272 | energy += e; | |
1273 | ||
1274 | ||
1275 | if (TMath::Abs(eta) <= 0.9) fNChTpc++; | |
1276 | // acceptance cut | |
1277 | if (eta > fEtaMax || eta < fEtaMin) continue; | |
1278 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
1279 | // | |
1280 | if(fK0N==0 ) { // exclude neutral hadrons | |
1281 | if (mpart == kNeutron || mpart == kNeutronBar || mpart == kK0Long) continue; | |
1282 | } | |
1283 | fTrackList[part] = 1; | |
1284 | fLego->Fill(eta, phi, pT); | |
1285 | ||
1286 | } // primary loop | |
1287 | printf("\n PX %8.2f PY %8.2f PZ %8.2f E %8.2f \n", | |
1288 | pX, pY, pZ, energy); | |
1289 | DumpLego(); | |
1290 | if(fhChPartMultInTpc) fhChPartMultInTpc->Fill(fNChTpc); | |
1291 | } | |
1292 | ||
1293 | void AliEMCALJetFinder::FillFromPartons() | |
1294 | { | |
1295 | // function under construction - 13-feb-2002 PAI | |
1296 | ||
1297 | if (fDebug >= 2) | |
1298 | printf("\n AliEMCALJetFinder::FillFromPartons()\n"); | |
1299 | // | |
1300 | ||
1301 | ResetMap(); | |
1302 | if (!fLego) BookLego(); | |
1303 | fLego->Reset(); | |
1304 | // | |
1305 | // Access particle information | |
1306 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
1307 | if (fDebug >= 2 || npart<=0) | |
1308 | printf("\n AliEMCALJetFinder::FillFromPartons : npart %i\n", npart); | |
1309 | fNt = 0; // for FindTracksInJetCone | |
1310 | fNtS = 0; | |
1311 | ||
1312 | // Go through the partons | |
1313 | Int_t statusCode=0; | |
1314 | for (Int_t part = 8; part < npart; part++) { | |
1315 | TParticle *mPart = gAlice->GetMCApp()->Particle(part); | |
1316 | Int_t mpart = mPart->GetPdgCode(); | |
1317 | // Int_t child1 = MPart->GetFirstDaughter(); | |
1318 | Float_t pT = mPart->Pt(); | |
1319 | // Float_t p = MPart->P(); | |
1320 | Float_t phi = mPart->Phi(); | |
1321 | Float_t eta = mPart->Eta(); | |
1322 | // Float_t theta = MPart->Theta(); | |
1323 | statusCode = mPart->GetStatusCode(); | |
1324 | ||
1325 | // accept partons (21 - gluon, 92 - string) | |
1326 | if (!(TMath::Abs(mpart) <= 6 || mpart == 21 ||mpart == 92)) continue; | |
1327 | if (fDebug > 1 && pT>0.01) | |
1328 | printf("\n part:%5d mpart %5d status %5d eta %8.2f phi %8.2f pT %8.2f ", | |
1329 | part, mpart, statusCode, eta, phi, pT); | |
1330 | // if (fDebug >= 3) MPart->Print(); | |
1331 | // accept partons before fragmentation - p.57 in Pythia manual | |
1332 | // if(statusCode != 1) continue; | |
1333 | // acceptance cut | |
1334 | if (eta > fEtaMax || eta < fEtaMin) continue; | |
1335 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
1336 | // final state only | |
1337 | // if (child1 >= 0 && child1 < npart) continue; | |
1338 | // | |
1339 | // | |
1340 | fLego->Fill(eta, phi, pT); | |
1341 | ||
1342 | } // primary loop | |
1343 | DumpLego(); | |
1344 | } | |
1345 | ||
1346 | void AliEMCALJetFinder::BuildTrackFlagTable() { | |
1347 | ||
1348 | // Method to generate a lookup table for TreeK particles | |
1349 | // which are linked to hits in the EMCAL | |
1350 | // | |
1351 | // --Author: J.L. Klay | |
1352 | // | |
1353 | // Access hit information | |
1354 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
1355 | ||
1356 | TTree *treeK = gAlice->TreeK(); // Get the number of entries in the kine tree | |
1357 | Int_t nKTrks = (Int_t) treeK->GetEntries(); // (Number of particles created somewhere) | |
1358 | ||
1359 | if(fTrackList) delete[] fTrackList; //Make sure we get rid of the old one | |
1360 | fTrackList = new Int_t[nKTrks]; //before generating a new one | |
1361 | ||
1362 | for (Int_t i = 0; i < nKTrks; i++) { //Initialize members to 0 | |
1363 | fTrackList[i] = 0; | |
1364 | } | |
1365 | ||
1366 | AliLoader *emcalLoader = AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"); | |
1367 | //AliEMCALGetter * gime = AliEMCALGetter::Instance() ; | |
1368 | // TTree *treeH = gAlice->TreeH(); | |
1369 | TTree *treeH = emcalLoader->TreeH(); | |
1370 | Int_t ntracks = (Int_t) treeH->GetEntries(); | |
1371 | // | |
1372 | // Loop over tracks | |
1373 | // | |
1374 | Int_t nbytes = 0; | |
1375 | ||
1376 | for (Int_t track=0; track<ntracks;track++) { | |
1377 | gAlice->ResetHits(); | |
1378 | nbytes += treeH->GetEvent(track); | |
1379 | if (pEMCAL) { | |
1380 | ||
1381 | // | |
1382 | // Loop over hits | |
1383 | // | |
1384 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); | |
1385 | mHit; | |
1386 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) | |
1387 | { | |
1388 | Int_t iTrk = mHit->Track(); // track number | |
1389 | Int_t idprim = mHit->GetPrimary(); // primary particle | |
1390 | ||
1391 | //Determine the origin point of this particle - it made a hit in the EMCAL | |
1392 | TParticle *trkPart = gAlice->GetMCApp()->Particle(iTrk); | |
1393 | TParticlePDG *trkPdg = trkPart->GetPDG(); | |
1394 | Int_t trkCode = trkPart->GetPdgCode(); | |
1395 | Double_t trkChg; | |
1396 | if (trkCode < 10000) { //Big Ions cause problems for | |
1397 | trkChg = trkPdg->Charge(); //this function. Since they aren't | |
1398 | } else { //likely to make it very far, set | |
1399 | trkChg = 0.0; //their charge to 0 for the Flag test | |
1400 | } | |
1401 | Float_t vxTrk = trkPart->Vx(); | |
1402 | Float_t vyTrk = trkPart->Vy(); | |
1403 | Float_t vrTrk = TMath::Sqrt(vxTrk*vxTrk+vyTrk*vyTrk); | |
1404 | fTrackList[iTrk] = SetTrackFlag(vrTrk,trkCode,trkChg); | |
1405 | ||
1406 | //Loop through the ancestry of the EMCAL entrance particles | |
1407 | Int_t ancestor = trkPart->GetFirstMother(); //Get track's Mother | |
1408 | while (ancestor != -1) { | |
1409 | TParticle *ancPart = gAlice->GetMCApp()->Particle(ancestor); //get particle info on ancestor | |
1410 | TParticlePDG *ancPdg = ancPart->GetPDG(); | |
1411 | Int_t ancCode = ancPart->GetPdgCode(); | |
1412 | Double_t ancChg; | |
1413 | if (ancCode < 10000) { | |
1414 | ancChg = ancPdg->Charge(); | |
1415 | } else { | |
1416 | ancChg = 0.0; | |
1417 | } | |
1418 | Float_t vxAnc = ancPart->Vx(); | |
1419 | Float_t vyAnc = ancPart->Vy(); | |
1420 | Float_t vrAnc = TMath::Sqrt(vxAnc*vxAnc+vyAnc*vyAnc); | |
1421 | fTrackList[ancestor] = SetTrackFlag(vrAnc,ancCode,ancChg); | |
1422 | ancestor = ancPart->GetFirstMother(); //Get the next ancestor | |
1423 | } | |
1424 | ||
1425 | //Determine the origin point of the primary particle associated with the hit | |
1426 | TParticle *primPart = gAlice->GetMCApp()->Particle(idprim); | |
1427 | TParticlePDG *primPdg = primPart->GetPDG(); | |
1428 | Int_t primCode = primPart->GetPdgCode(); | |
1429 | Double_t primChg; | |
1430 | if (primCode < 10000) { | |
1431 | primChg = primPdg->Charge(); | |
1432 | } else { | |
1433 | primChg = 0.0; | |
1434 | } | |
1435 | Float_t vxPrim = primPart->Vx(); | |
1436 | Float_t vyPrim = primPart->Vy(); | |
1437 | Float_t vrPrim = TMath::Sqrt(vxPrim*vxPrim+vyPrim*vyPrim); | |
1438 | fTrackList[idprim] = SetTrackFlag(vrPrim,primCode,primChg); | |
1439 | } // Hit Loop | |
1440 | } //if (pEMCAL) | |
1441 | } // Track Loop | |
1442 | } | |
1443 | ||
1444 | Int_t AliEMCALJetFinder | |
1445 | ::SetTrackFlag(Float_t radius, Int_t code, Double_t charge) { | |
1446 | // Set the flag for the track | |
1447 | Int_t flag = 0; | |
1448 | Int_t parton = 0; | |
1449 | Int_t neutral = 0; | |
1450 | ||
1451 | if (charge == 0) neutral = 1; | |
1452 | ||
1453 | if (TMath::Abs(code) <= 6 || | |
1454 | code == 21 || | |
1455 | code == 92) parton = 1; | |
1456 | ||
1457 | //It's not a parton, it's charged and it went through the TPC | |
1458 | if (!parton && !neutral && radius <= 84.0) flag = 1; | |
1459 | ||
1460 | return flag; | |
1461 | } | |
1462 | ||
1463 | ||
1464 | ||
1465 | void AliEMCALJetFinder::SaveBackgroundEvent(const char *name) | |
1466 | { | |
1467 | // Saves the eta-phi lego and the tracklist and name of file with BG events | |
1468 | // | |
1469 | if (fLegoB) { | |
1470 | fLegoB->Reset(); | |
1471 | (*fLegoB) = (*fLegoB) + (*fLego); | |
1472 | // if(fDebug) | |
1473 | printf("\n AliEMCALJetFinder::SaveBackgroundEvent() (fLegoB) %f = %f(fLego) \n", | |
1474 | fLegoB->Integral(), fLego->Integral()); | |
1475 | } | |
1476 | ||
1477 | if (fPtB) delete[] fPtB; | |
1478 | if (fEtaB) delete[] fEtaB; | |
1479 | if (fPhiB) delete[] fPhiB; | |
1480 | if (fPdgB) delete[] fPdgB; | |
1481 | if (fTrackListB) delete[] fTrackListB; | |
1482 | ||
1483 | fPtB = new Float_t[fNtS]; | |
1484 | fEtaB = new Float_t[fNtS]; | |
1485 | fPhiB = new Float_t[fNtS]; | |
1486 | fPdgB = new Int_t [fNtS]; | |
1487 | fTrackListB = new Int_t [fNtS]; | |
1488 | ||
1489 | fNtB = 0; | |
1490 | ||
1491 | for (Int_t i = 0; i < fNt; i++) { | |
1492 | if (!fTrackList[i]) continue; | |
1493 | fPtB [fNtB] = fPtT [i]; | |
1494 | fEtaB[fNtB] = fEtaT[i]; | |
1495 | fPhiB[fNtB] = fPhiT[i]; | |
1496 | fPdgB[fNtB] = fPdgT[i]; | |
1497 | fTrackListB[fNtB] = 1; | |
1498 | fNtB++; | |
1499 | } | |
1500 | fBackground = 1; | |
1501 | printf(" fNtB %i => fNtS %i #particles %i \n", fNtB, fNtS, fNt); | |
1502 | ||
1503 | if(strlen(name) == 0) { | |
1504 | TSeqCollection *li = gROOT->GetListOfFiles(); | |
1505 | TString nf; | |
1506 | for(Int_t i=0; i<li->GetSize(); i++) { | |
1507 | nf = ((TFile*)li->At(i))->GetName(); | |
1508 | if(nf.Contains("backgorund")) break; | |
1509 | } | |
1510 | fBGFileName = nf; | |
1511 | } else { | |
1512 | fBGFileName = name; | |
1513 | } | |
1514 | printf("BG file name is \n %s\n", fBGFileName.Data()); | |
1515 | } | |
1516 | ||
1517 | void AliEMCALJetFinder::InitFromBackground() | |
1518 | { | |
1519 | // | |
1520 | // | |
1521 | if (fDebug) printf("\n AliEMCALJetFinder::InitFromBackground() "); | |
1522 | ||
1523 | if (fLego) { | |
1524 | fLego->Reset(); | |
1525 | (*fLego) = (*fLego) + (*fLegoB); | |
1526 | if(fDebug) | |
1527 | printf("\n AliEMCALJetFinder::InitBackgroundEvent() (fLego) %f = %f(fLegoB) \n", | |
1528 | fLego->Integral(), fLegoB->Integral()); | |
1529 | } else { | |
1530 | printf(" => fLego undefined \n"); | |
1531 | } | |
1532 | } | |
1533 | ||
1534 | ||
1535 | void AliEMCALJetFinder::FindTracksInJetCone() | |
1536 | { | |
1537 | // | |
1538 | // Build list of tracks inside jet cone | |
1539 | // | |
1540 | // Loop over jets | |
1541 | Int_t njet = Njets(); | |
1542 | for (Int_t nj = 0; nj < njet; nj++) | |
1543 | { | |
1544 | Float_t etaj = JetEtaW(nj); | |
1545 | Float_t phij = JetPhiW(nj); | |
1546 | Int_t nT = 0; // number of associated tracks | |
1547 | ||
1548 | // Loop over particles in current event | |
1549 | for (Int_t part = 0; part < fNt; part++) { | |
1550 | if (!fTrackList[part]) continue; | |
1551 | Float_t phi = fPhiT[part]; | |
1552 | Float_t eta = fEtaT[part]; | |
1553 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + | |
1554 | (phij-phi)*(phij-phi)); | |
1555 | if (dr < fConeRadius) { | |
1556 | fTrackList[part] = nj+2; | |
1557 | nT++; | |
1558 | } // < ConeRadius ? | |
1559 | } // particle loop | |
1560 | ||
1561 | // Same for background event if available | |
1562 | Int_t nTB = 0; | |
1563 | if (fBackground) { | |
1564 | for (Int_t part = 0; part < fNtB; part++) { | |
1565 | Float_t phi = fPhiB[part]; | |
1566 | Float_t eta = fEtaB[part]; | |
1567 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + | |
1568 | (phij-phi)*(phij-phi)); | |
1569 | fTrackListB[part] = 1; | |
1570 | ||
1571 | if (dr < fConeRadius) { | |
1572 | fTrackListB[part] = nj+2; | |
1573 | nTB++; | |
1574 | } // < ConeRadius ? | |
1575 | } // particle loop | |
1576 | } // Background available ? | |
1577 | ||
1578 | Int_t nT0 = nT + nTB; | |
1579 | printf("Total number of tracks %d\n", nT0); | |
1580 | ||
1581 | if (nT0 > 1000) nT0 = 1000; | |
1582 | ||
1583 | Float_t* ptT = new Float_t[nT0]; | |
1584 | Float_t* etaT = new Float_t[nT0]; | |
1585 | Float_t* phiT = new Float_t[nT0]; | |
1586 | Int_t* pdgT = new Int_t[nT0]; | |
1587 | ||
1588 | Int_t iT = 0; | |
1589 | Int_t j; | |
1590 | ||
1591 | for (Int_t part = 0; part < fNt; part++) { | |
1592 | if (fTrackList[part] == nj+2) { | |
1593 | Int_t index = 0; | |
1594 | for (j=iT-1; j>=0; j--) { | |
1595 | if (fPtT[part] > ptT[j]) { | |
1596 | index = j+1; | |
1597 | break; | |
1598 | } | |
1599 | } | |
1600 | for (j=iT-1; j>=index; j--) { | |
1601 | ptT [j+1] = ptT [j]; | |
1602 | etaT[j+1] = etaT[j]; | |
1603 | phiT[j+1] = phiT[j]; | |
1604 | pdgT[j+1] = pdgT[j]; | |
1605 | } | |
1606 | ptT [index] = fPtT [part]; | |
1607 | etaT[index] = fEtaT[part]; | |
1608 | phiT[index] = fPhiT[part]; | |
1609 | pdgT[index] = fPdgT[part]; | |
1610 | iT++; | |
1611 | } // particle associated | |
1612 | if (iT > nT0) break; | |
1613 | } // particle loop | |
1614 | ||
1615 | if (fBackground) { | |
1616 | for (Int_t part = 0; part < fNtB; part++) { | |
1617 | if (fTrackListB[part] == nj+2) { | |
1618 | Int_t index = 0; | |
1619 | for (j=iT-1; j>=0; j--) { | |
1620 | if (fPtB[part] > ptT[j]) { | |
1621 | index = j+1; | |
1622 | ||
1623 | break; | |
1624 | } | |
1625 | } | |
1626 | for (j=iT-1; j>=index; j--) { | |
1627 | ptT [j+1] = ptT [j]; | |
1628 | etaT[j+1] = etaT[j]; | |
1629 | phiT[j+1] = phiT[j]; | |
1630 | pdgT[j+1] = pdgT[j]; | |
1631 | } | |
1632 | ptT [index] = fPtB [part]; | |
1633 | etaT[index] = fEtaB[part]; | |
1634 | phiT[index] = fPhiB[part]; | |
1635 | pdgT[index] = fPdgB[part]; | |
1636 | iT++; | |
1637 | } // particle associated | |
1638 | if (iT > nT0) break; | |
1639 | } // particle loop | |
1640 | } // Background available ? | |
1641 | ||
1642 | fJetT[nj]->SetTrackList(nT0, ptT, etaT, phiT, pdgT); | |
1643 | delete[] ptT; | |
1644 | delete[] etaT; | |
1645 | delete[] phiT; | |
1646 | delete[] pdgT; | |
1647 | ||
1648 | } // jet loop loop | |
1649 | } | |
1650 | ||
1651 | Float_t AliEMCALJetFinder::PropagatePhi(Float_t pt, Float_t charge, Bool_t& curls) | |
1652 | { | |
1653 | // Propagates phi angle to EMCAL radius | |
1654 | // | |
1655 | static Float_t b = 0.0, rEMCAL = -1.0; | |
1656 | // Get field in kGS | |
1657 | b = gAlice->Field()->SolenoidField(); | |
1658 | // Get EMCAL radius in cm | |
1659 | rEMCAL = AliEMCALGeometry::GetInstance()->GetIPDistance(); | |
1660 | Float_t dPhi = 0.; | |
1661 | // | |
1662 | // | |
1663 | // bending radies | |
1664 | // pt [Gev] | |
1665 | // B [kG] | |
1666 | // | |
1667 | Float_t rB = 3335.6 * pt / b; // [cm] (case of |charge|=1) | |
1668 | // | |
1669 | // check if particle is curling below EMCAL | |
1670 | if (2.*rB < rEMCAL) { | |
1671 | curls = kTRUE; | |
1672 | return dPhi; | |
1673 | } | |
1674 | // | |
1675 | // if not calculate delta phi | |
1676 | Float_t phi = TMath::ACos(1.-rEMCAL*rEMCAL/(2.*rB*rB)); | |
1677 | dPhi = TMath::ATan2(1.-TMath::Cos(phi), TMath::Sin(phi)); | |
1678 | dPhi = -TMath::Sign(dPhi, charge); | |
1679 | // | |
1680 | return dPhi; | |
1681 | } | |
1682 | ||
1683 | void hf1(Int_t& , Float_t& , Float_t& ) | |
1684 | { | |
1685 | // dummy for hbook calls | |
1686 | ; | |
1687 | } | |
1688 | ||
1689 | void AliEMCALJetFinder::DrawLego(const char *opt) | |
1690 | { | |
1691 | // Draw lego | |
1692 | if(fLego) fLego->Draw(opt); | |
1693 | } | |
1694 | ||
1695 | void AliEMCALJetFinder::DrawLegoBackground(const char *opt) | |
1696 | { | |
1697 | // Draw background lego | |
1698 | if(fLegoB) fLegoB->Draw(opt); | |
1699 | } | |
1700 | ||
1701 | void AliEMCALJetFinder::DrawLegoEMCAL(const char *opt) | |
1702 | { | |
1703 | // Draw EMCAL Lego | |
1704 | if(fhLegoEMCAL) fhLegoEMCAL->Draw(opt); | |
1705 | } | |
1706 | ||
1707 | void AliEMCALJetFinder::DrawHistsForTuning(Int_t mode) | |
1708 | { | |
1709 | // Draw all hists | |
1710 | static TPaveText *varLabel=0; | |
1711 | if(!fC1) { | |
1712 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); | |
1713 | } | |
1714 | fC1->Clear(); | |
1715 | fC1->Divide(2,2); | |
1716 | fC1->cd(1); | |
1717 | gPad->SetLogy(1); | |
1718 | fhCellEt->Draw(); | |
1719 | ||
1720 | fC1->cd(2); | |
1721 | gPad->SetLogy(1); | |
1722 | fhCellEMCALEt->Draw(); | |
1723 | ||
1724 | fC1->cd(3); | |
1725 | gPad->SetLogy(1); | |
1726 | fhTrackPt->Draw(); | |
1727 | fhTrackPtBcut->SetLineColor(2); | |
1728 | fhTrackPtBcut->Draw("same"); | |
1729 | ||
1730 | fC1->cd(4); | |
1731 | if(!varLabel) { | |
1732 | PrintParameters(1); | |
1733 | varLabel = new TPaveText(0.05,0.5,0.95,0.95,"NDC"); | |
1734 | varLabel->SetTextAlign(12); | |
1735 | varLabel->SetFillColor(19); // see TAttFill | |
1736 | TString tmp(GetTitle()); | |
1737 | varLabel->ReadFile(GetFileNameForParameters()); | |
1738 | } | |
1739 | varLabel->Draw(); | |
1740 | fC1->Update(); | |
1741 | if(mode) { // for saving picture to the file | |
1742 | TString stmp(GetFileNameForParameters()); | |
1743 | stmp.ReplaceAll("_Par.txt",".ps"); | |
1744 | fC1->Print(stmp.Data()); | |
1745 | } | |
1746 | } | |
1747 | ||
1748 | void AliEMCALJetFinder::PrintParameters(Int_t mode) | |
1749 | { | |
1750 | // Print all parameters out | |
1751 | ||
1752 | FILE *file=0; | |
1753 | if(mode==0) file = stdout; // output to terminal | |
1754 | else { | |
1755 | file = fopen(GetFileNameForParameters(),"w"); | |
1756 | if(file==0) file = stdout; | |
1757 | } | |
1758 | fprintf(file,"==== Filling lego ==== \n"); | |
1759 | fprintf(file,"Sampling fraction %6.3f ", fSamplingF); | |
1760 | fprintf(file,"Smearing %6i ", fSmear); | |
1761 | fprintf(file,"Efficiency %6i\n", fEffic); | |
1762 | fprintf(file,"Hadr.Correct. %6i ", fHCorrection); | |
1763 | fprintf(file,"P_{T} Cut of ch.par. %6.2f\n", fPtCut); | |
1764 | fprintf(file,"==== Jet finding ==== \n"); | |
1765 | fprintf(file,"Cone radius %6.2f ", fConeRadius); | |
1766 | fprintf(file,"Seed E_{T} %6.1f\n", fEtSeed); | |
1767 | fprintf(file,"Min E_{T} of cell %6.1f ", fMinCellEt); | |
1768 | fprintf(file,"Min E_{T} of jet %6.1f\n", fMinJetEt); | |
1769 | if(fMode) { | |
1770 | fprintf(file,"==== Bg subtraction ==== \n"); | |
1771 | fprintf(file,"BG subtraction %6i ", fMode); | |
1772 | fprintf(file,"Min cone move %6.2f\n", fMinMove); | |
1773 | fprintf(file,"Max cone move %6.2f ", fMaxMove); | |
1774 | fprintf(file,"%% change for BG %6.4f\n", fPrecBg); | |
1775 | } else | |
1776 | fprintf(file,"==== No Bg subtraction ==== \n"); | |
1777 | // | |
1778 | printf("BG file name is %s \n", fBGFileName.Data()); | |
1779 | if(file != stdout) fclose(file); | |
1780 | } | |
1781 | ||
1782 | void AliEMCALJetFinder::DrawLegos() | |
1783 | { | |
1784 | // Draw all legos | |
1785 | if(!fC1) { | |
1786 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); | |
1787 | } | |
1788 | fC1->Clear(); | |
1789 | fC1->Divide(2,2); | |
1790 | gStyle->SetOptStat(111111); | |
1791 | ||
1792 | Int_t nent1, nent2, nent3, nent4; | |
1793 | Double_t int1, int2, int3, int4; | |
1794 | nent1 = (Int_t)fLego->GetEntries(); | |
1795 | int1 = fLego->Integral(); | |
1796 | fC1->cd(1); | |
1797 | if(int1) fLego->Draw("lego"); | |
1798 | ||
1799 | nent2 = (Int_t)fhLegoTracks->GetEntries(); | |
1800 | int2 = fhLegoTracks->Integral(); | |
1801 | fC1->cd(2); | |
1802 | if(int2) fhLegoTracks->Draw("lego"); | |
1803 | ||
1804 | nent3 = (Int_t)fhLegoEMCAL->GetEntries(); | |
1805 | int3 = fhLegoEMCAL->Integral(); | |
1806 | fC1->cd(3); | |
1807 | if(int3) fhLegoEMCAL->Draw("lego"); | |
1808 | ||
1809 | nent4 = (Int_t)fhLegoHadrCorr->GetEntries(); | |
1810 | int4 = fhLegoHadrCorr->Integral(); | |
1811 | fC1->cd(4); | |
1812 | if(int4) fhLegoHadrCorr->Draw("lego"); | |
1813 | ||
1814 | // just for checking | |
1815 | printf(" Integrals \n"); | |
1816 | printf("lego %10.3f \ntrack %10.3f \nhits %10.3f \nHCorr %10.3f\n-- %10.3f(must be 0)\n", | |
1817 | int1, int2, int3, int4, int1 - (int2 + int3 - int4)); | |
1818 | } | |
1819 | ||
1820 | const Char_t* AliEMCALJetFinder::GetFileNameForParameters(const char* dir) | |
1821 | { | |
1822 | // Get paramters from a file | |
1823 | static TString tmp; | |
1824 | if(strlen(dir)) tmp = dir; | |
1825 | tmp += GetTitle(); | |
1826 | tmp += "_Par.txt"; | |
1827 | return tmp.Data(); | |
1828 | } | |
1829 | ||
1830 | void AliEMCALJetFinder::RearrangeParticlesMemory(Int_t npart) | |
1831 | { | |
1832 | // See FillFromTracks() - npart must be positive | |
1833 | if (fTrackList) delete[] fTrackList; | |
1834 | if (fPtT) delete[] fPtT; | |
1835 | if (fEtaT) delete[] fEtaT; | |
1836 | if (fPhiT) delete[] fPhiT; | |
1837 | if (fPdgT) delete[] fPdgT; | |
1838 | ||
1839 | if(npart>0) { | |
1840 | fTrackList = new Int_t [npart]; | |
1841 | fPtT = new Float_t[npart]; | |
1842 | fEtaT = new Float_t[npart]; | |
1843 | fPhiT = new Float_t[npart]; | |
1844 | fPdgT = new Int_t[npart]; | |
1845 | } else { | |
1846 | printf("AliEMCALJetFinder::RearrangeParticlesMemory : npart = %d\n", npart); | |
1847 | } | |
1848 | } | |
1849 | ||
1850 | Bool_t AliEMCALJetFinder::IsThisPartonsOrDiQuark(Int_t pdg) | |
1851 | { | |
1852 | // Return quark info | |
1853 | Int_t absPdg = TMath::Abs(pdg); | |
1854 | if(absPdg<=6) return kTRUE; // quarks | |
1855 | if(pdg == 21) return kTRUE; // gluon | |
1856 | if(pdg == 92) return kTRUE; // string | |
1857 | ||
1858 | // see p.51 of Pythia Manual | |
1859 | // Not include diquarks with c and b quark - 4-mar-2002 | |
1860 | // ud_0,sd_0,su_0; dd_1,ud_1,uu_1; sd_1,su_1,ss_1 | |
1861 | static Int_t diquark[9]={2101,3101,3201, 1103,2103,2203, 3103,3203,3303}; | |
1862 | for(Int_t i=0; i<9; i++) if(absPdg == diquark[i]) return kTRUE; // diquarks | |
1863 | ||
1864 | return kFALSE; | |
1865 | } | |
1866 | ||
1867 | void AliEMCALJetFinder::FindChargedJet() | |
1868 | { | |
1869 | // | |
1870 | // Find jet from charged particle information only | |
1871 | // | |
1872 | ||
1873 | // | |
1874 | // Look for seeds | |
1875 | // | |
1876 | Int_t njets = 0; | |
1877 | Int_t part = 0; | |
1878 | Int_t nseed = 0; | |
1879 | ||
1880 | // | |
1881 | // | |
1882 | ResetJets(); | |
1883 | ||
1884 | // | |
1885 | for (part = 0; part < fNt; part++) { | |
1886 | if (!fTrackList[part]) continue; | |
1887 | if (fPtT[part] > fEtSeed) nseed++; | |
1888 | } | |
1889 | printf("\nThere are %d seeds (%d)\n", nseed, fNtS); | |
1890 | Int_t* iSeeds = new Int_t[nseed]; | |
1891 | nseed = 0; | |
1892 | ||
1893 | for (part = 0; part < fNt; part++) { | |
1894 | if (!fTrackList[part]) continue; | |
1895 | if (fPtT[part] > fEtSeed) iSeeds[nseed++] = part; | |
1896 | } | |
1897 | ||
1898 | // | |
1899 | // Loop over seeds | |
1900 | // | |
1901 | Int_t seed = 0; | |
1902 | Float_t pt; | |
1903 | ||
1904 | while(1){ | |
1905 | // | |
1906 | // Find seed with highest pt | |
1907 | // | |
1908 | Float_t ptmax = -1.; | |
1909 | Int_t index = -1; | |
1910 | Int_t jndex = -1; | |
1911 | for (seed = 0; seed < nseed; seed++) { | |
1912 | if ((pt = fPtT[iSeeds[seed]]) > ptmax && iSeeds[seed] != -1) { | |
1913 | ptmax = pt; | |
1914 | index = seed; | |
1915 | } // ptmax ? | |
1916 | } // seeds | |
1917 | if (ptmax < 0.) break; | |
1918 | jndex = iSeeds[index]; | |
1919 | // | |
1920 | // Remove from the list | |
1921 | iSeeds[index] = -1; | |
1922 | printf("\n Next Seed %d %f", jndex, ptmax); | |
1923 | // | |
1924 | // Find tracks in cone around seed | |
1925 | // | |
1926 | Float_t phiSeed = fPhiT[jndex]; | |
1927 | Float_t etaSeed = fEtaT[jndex]; | |
1928 | Float_t eT = 0.; | |
1929 | Float_t pxJ = 0.; | |
1930 | Float_t pyJ = 0.; | |
1931 | Float_t pzJ = 0.; | |
1932 | ||
1933 | for (part = 0; part < fNt; part++) { | |
1934 | if (!fTrackList[part]) continue; | |
1935 | Float_t deta = fEtaT[part] - etaSeed; | |
1936 | Float_t dphi = fPhiT[part] - phiSeed; | |
1937 | Float_t dR = TMath::Sqrt(deta * deta + dphi * dphi); | |
1938 | if (dR < fConeRadius) { | |
1939 | eT += fPtT[part]; | |
1940 | Float_t theta = 2. * TMath::ATan(TMath::Exp(-fEtaT[part])); | |
1941 | Float_t px = fPtT[part] * TMath::Cos(fPhiT[part]); | |
1942 | Float_t py = fPtT[part] * TMath::Sin(fPhiT[part]); | |
1943 | Float_t pz = fPtT[part] / TMath::Tan(theta); | |
1944 | pxJ += px; | |
1945 | pyJ += py; | |
1946 | pzJ += pz; | |
1947 | // | |
1948 | // if seed, remove it | |
1949 | // | |
1950 | for (seed = 0; seed < nseed; seed++) { | |
1951 | if (part == iSeeds[seed]) iSeeds[seed] = -1; | |
1952 | } // seed ? | |
1953 | } // < cone radius | |
1954 | } // particle loop | |
1955 | ||
1956 | // | |
1957 | // Estimate of jet direction | |
1958 | Float_t phiJ = TMath::ATan2(pyJ, pxJ); | |
1959 | Float_t thetaJ = TMath::ATan2(TMath::Sqrt(pxJ * pxJ + pyJ * pyJ), pzJ); | |
1960 | Float_t etaJ = TMath::Log(TMath::Tan(thetaJ / 2.)); | |
1961 | // Float_t ptJ = TMath::Sqrt(pxJ * pxJ + pyJ * pyJ); | |
1962 | ||
1963 | // | |
1964 | // Sum up all energy | |
1965 | // | |
1966 | Int_t iPhi0 = Int_t((phiJ - fPhiMin) / fDphi); | |
1967 | Int_t iEta0 = Int_t((etaJ - fEtaMin) / fDeta); | |
1968 | Int_t dIphi = Int_t(fConeRadius / fDphi); | |
1969 | Int_t dIeta = Int_t(fConeRadius / fDeta); | |
1970 | Int_t iPhi, iEta; | |
1971 | Float_t sumE = 0; | |
1972 | for (iPhi = iPhi0 -dIphi; iPhi < iPhi0 + dIphi; iPhi++) { | |
1973 | for (iEta = iEta0 - dIeta; iEta < iEta0 + dIeta; iEta++) { | |
1974 | if (iPhi < 0 || iEta < 0) continue; | |
1975 | Float_t dPhi = fPhiMin + iPhi * fDphi; | |
1976 | Float_t dEta = fEtaMin + iEta * fDeta; | |
1977 | if (TMath::Sqrt(dPhi * dPhi + dEta * dEta) < fConeRadius) continue; | |
1978 | sumE += fLego->GetBinContent(iEta, iPhi); | |
1979 | } // eta | |
1980 | } // phi | |
1981 | // | |
1982 | // | |
1983 | // | |
1984 | fJetT[njets++] = new AliEMCALJet(sumE, phiJ, etaJ); | |
1985 | FindTracksInJetCone(); | |
1986 | printf("\n Jet Energy %f %f %f %f %d\n", eT, sumE, fPtT[6], fPtT[7], njets); | |
1987 | printf("\n Jet Phi %f %f %f \n", phiJ, fPhiT[6], fPhiT[7]); | |
1988 | printf("\n Jet Eta %f %f %f \n", etaJ, fEtaT[6], fEtaT[7]); | |
1989 | } // while(1) | |
1990 | EMCALJETS.njet = njets; | |
1991 | if (fWrite) WriteJets(); | |
1992 | fEvent++; | |
1993 | } | |
1994 | // 16-jan-2003 - just for convenience | |
1995 | void AliEMCALJetFinder::Browse(TBrowser* b) | |
1996 | { | |
1997 | // Add to browser | |
1998 | if(fHistsList) b->Add((TObject*)fHistsList); | |
1999 | } | |
2000 | ||
2001 | Bool_t AliEMCALJetFinder::IsFolder() const | |
2002 | { | |
2003 | // Return folder status | |
2004 | if(fHistsList) return kTRUE; | |
2005 | else return kFALSE; | |
2006 | } | |
2007 | ||
2008 | const Char_t* AliEMCALJetFinder::GetNameOfVariant() | |
2009 | { | |
2010 | // generate the literal string with info about jet finder | |
2011 | Char_t name[200]; | |
2012 | sprintf(name, "jF_R%3.2fMinCell%4.1fPtCut%4.1fEtSeed%4.1fMinEt%4.1fBGSubtr%iSF%4.1f", | |
2013 | fConeRadius,fMinCellEt,fPtCut,fEtSeed,fMinJetEt, fMode, fSamplingF); | |
2014 | TString nt(name); | |
2015 | nt.ReplaceAll(" ",""); | |
2016 | if(fBGFileName.Length()) { | |
2017 | Int_t i1 = fBGFileName.Index("kBackground"); | |
2018 | Int_t i2 = fBGFileName.Index("/0000") - 1; | |
2019 | if(i1>=0 && i2>=0) { | |
2020 | TString bg(fBGFileName(i1,i2-i1+1)); | |
2021 | nt += bg; | |
2022 | } | |
2023 | } | |
2024 | printf("<I> Name of variant %s \n", nt.Data()); | |
2025 | return nt.Data(); | |
2026 | } |