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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 | |
803d1ab0 |
16 | /* $Id$ */ |
d594b22e |
17 | |
0c207dbc |
18 | //*-- Authors: Andreas Morsch (CERN) |
19 | //* J.L. Klay (LBL) |
20 | //* Aleksei Pavlinov (WSU) |
3fb730f8 |
21 | // |
22 | // |
23 | // |
0c207dbc |
24 | |
c44ecd4c |
25 | #include <stdio.h> |
d594b22e |
26 | // From root ... |
116cbefd |
27 | #include <TArrayF.h> |
28 | #include <TAxis.h> |
d594b22e |
29 | #include <TBranchElement.h> |
116cbefd |
30 | #include <TCanvas.h> |
31 | #include <TClonesArray.h> |
471f69dc |
32 | #include <TFile.h> |
c44ecd4c |
33 | #include <TH1.h> |
471f69dc |
34 | #include <TH2.h> |
b561574c |
35 | #include <TList.h> |
116cbefd |
36 | #include <TPDGCode.h> |
c44ecd4c |
37 | #include <TPad.h> |
471f69dc |
38 | #include <TParticle.h> |
39 | #include <TParticlePDG.h> |
116cbefd |
40 | #include <TPaveText.h> |
b561574c |
41 | #include <TPythia6Calls.h> |
116cbefd |
42 | #include <TROOT.h> |
43 | #include <TStyle.h> |
44 | #include <TTree.h> |
f6ada3ae |
45 | #include <TBrowser.h> |
d594b22e |
46 | |
47 | // From AliRoot ... |
116cbefd |
48 | #include "AliEMCAL.h" |
d594b22e |
49 | #include "AliEMCALDigit.h" |
50 | #include "AliEMCALDigitizer.h" |
116cbefd |
51 | #include "AliEMCALFast.h" |
52 | #include "AliEMCALGeometry.h" |
d594b22e |
53 | #include "AliEMCALHadronCorrection.h" |
116cbefd |
54 | #include "AliEMCALHit.h" |
55 | #include "AliEMCALJetFinder.h" |
b561574c |
56 | #include "AliEMCALJetMicroDst.h" |
116cbefd |
57 | #include "AliHeader.h" |
26dadf3a |
58 | #include "AliMagF.h" |
59 | #include "AliMagFCM.h" |
116cbefd |
60 | #include "AliRun.h" |
220d7b7b |
61 | #include "AliGenerator.h" |
88cb7938 |
62 | #include "AliEMCALGetter.h" |
ff114de3 |
63 | // Interface to FORTRAN |
64 | #include "Ecommon.h" |
5d12ce38 |
65 | #include "AliMC.h" |
ff114de3 |
66 | |
67 | |
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68 | ClassImp(AliEMCALJetFinder) |
69 | |
70 | //____________________________________________________________________________ |
71 | AliEMCALJetFinder::AliEMCALJetFinder() |
72 | { |
73 | // Default constructor |
d594b22e |
74 | fJets = 0; |
75 | fNjets = 0; |
76 | fLego = 0; |
ff114de3 |
77 | fLegoB = 0; |
b561574c |
78 | |
d594b22e |
79 | fTrackList = 0; |
80 | fPtT = 0; |
81 | fEtaT = 0; |
82 | fPhiT = 0; |
975127ed |
83 | fPdgT = 0; |
84 | |
b561574c |
85 | fTrackListB = 0; |
ff114de3 |
86 | fPtB = 0; |
87 | fEtaB = 0; |
88 | fPhiB = 0; |
975127ed |
89 | fPdgB = 0; |
b561574c |
90 | |
b7a73953 |
91 | fHCorrection = 0; |
d594b22e |
92 | fHadronCorrector = 0; |
b7a73953 |
93 | |
c44ecd4c |
94 | fWrite = 0; |
08a3fb06 |
95 | fOutFileName = 0; |
96 | fOutFile = 0; |
97 | fInFile = 0; |
98 | fEvent = 0; |
b7a73953 |
99 | |
220d7b7b |
100 | fRandomBg = 0; |
101 | |
b7a73953 |
102 | SetParametersForBgSubtraction(); |
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103 | } |
104 | |
105 | AliEMCALJetFinder::AliEMCALJetFinder(const char* name, const char *title) |
106 | : TTask(name, title) |
107 | { |
108 | // Constructor |
c44ecd4c |
109 | // Title is used in method GetFileNameForParameters(); |
110 | // |
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111 | fJets = new TClonesArray("AliEMCALJet",10000); |
112 | fNjets = 0; |
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113 | for (Int_t i = 0; i < 30000; i++) |
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114 | { |
115 | fEtCell[i] = 0.; |
116 | fEtaCell[i] = 0.; |
117 | fPhiCell[i] = 0.; |
118 | } |
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119 | fLego = 0; |
120 | fLegoB = 0; |
121 | |
ff114de3 |
122 | fTrackList = 0; |
123 | fPtT = 0; |
124 | fEtaT = 0; |
125 | fPhiT = 0; |
975127ed |
126 | fPdgT = 0; |
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127 | |
128 | fTrackListB = 0; |
ff114de3 |
129 | fPtB = 0; |
130 | fEtaB = 0; |
131 | fPhiB = 0; |
975127ed |
132 | fPdgB = 0; |
b561574c |
133 | |
b7a73953 |
134 | fHCorrection = 0; |
135 | fHadronCorrector = 0; |
136 | fBackground = 0; |
c44ecd4c |
137 | fWrite = 0; |
08a3fb06 |
138 | fOutFileName = 0; |
139 | fOutFile = 0; |
140 | fInFile = 0; |
141 | fEvent = 0; |
0c207dbc |
142 | // |
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143 | SetPtCut(); |
144 | SetMomentumSmearing(); |
145 | SetEfficiencySim(); |
146 | SetDebug(); |
147 | SetHadronCorrection(); |
d53b7b0b |
148 | SetIncludeK0andN(); |
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149 | |
220d7b7b |
150 | fRandomBg = 0; |
b7a73953 |
151 | SetParametersForBgSubtraction(); |
152 | } |
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153 | |
b7a73953 |
154 | void AliEMCALJetFinder::SetParametersForBgSubtraction |
155 | (Int_t mode, Float_t minMove, Float_t maxMove, Float_t precBg) |
156 | { |
157 | // see file /home/pavlinov/cosmic/pythia/jetFinderParamData.inc |
158 | // at WSU Linux cluster - 11-feb-2002 |
159 | // These parameters must be tuned more carefull !!! |
160 | SetMode(mode); |
161 | SetMinMove(minMove); |
162 | SetMaxMove(maxMove); |
163 | SetPrecBg(precBg); |
164 | } |
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165 | |
166 | //____________________________________________________________________________ |
167 | AliEMCALJetFinder::~AliEMCALJetFinder() |
168 | { |
169 | // Destructor |
170 | // |
171 | if (fJets){ |
172 | fJets->Delete(); |
173 | delete fJets; |
174 | } |
759ae494 |
175 | delete fLego; |
176 | delete fLegoB; |
177 | delete fhLegoTracks; |
178 | delete fhLegoEMCAL; |
179 | delete fhLegoHadrCorr; |
180 | delete fhEff; |
181 | delete fhCellEt; |
182 | delete fhCellEMCALEt; |
183 | delete fhTrackPt; |
184 | delete fhTrackPtBcut; |
185 | delete fhChPartMultInTpc; |
186 | |
187 | delete[] fTrackList; |
188 | delete[] fPtT; |
189 | delete[] fEtaT; |
190 | delete[] fPhiT; |
191 | delete[] fPdgT; |
192 | |
193 | delete[] fTrackListB; |
194 | delete[] fPtB; |
195 | delete[] fEtaB; |
196 | delete[] fPhiB; |
197 | delete[] fPdgB; |
471f69dc |
198 | } |
199 | |
471f69dc |
200 | #ifndef WIN32 |
201 | # define jet_finder_ua1 jet_finder_ua1_ |
202 | # define hf1 hf1_ |
203 | # define type_of_call |
204 | |
205 | #else |
975127ed |
206 | # define jet_finder_ua1 JET_FINDER_UA1 |
471f69dc |
207 | # define hf1 HF1 |
208 | # define type_of_call _stdcall |
209 | #endif |
210 | |
211 | extern "C" void type_of_call |
212 | jet_finder_ua1(Int_t& ncell, Int_t& ncell_tot, |
213 | Float_t etc[30000], Float_t etac[30000], |
214 | Float_t phic[30000], |
215 | Float_t& min_move, Float_t& max_move, Int_t& mode, |
216 | Float_t& prec_bg, Int_t& ierror); |
217 | |
218 | extern "C" void type_of_call hf1(Int_t& id, Float_t& x, Float_t& wgt); |
975127ed |
219 | |
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220 | |
08a3fb06 |
221 | void AliEMCALJetFinder::Init() |
222 | { |
223 | // |
224 | // Geometry and I/O initialization |
225 | // |
226 | // |
227 | // |
228 | // Get geometry parameters from EMCAL |
229 | // |
230 | // |
231 | // Geometry |
88cb7938 |
232 | //AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
233 | // AliEMCALGeometry* geom = |
234 | // AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); |
235 | AliEMCALGetter * gime = AliEMCALGetter::Instance() ; |
236 | AliEMCALGeometry* geom = gime->EMCALGeometry() ; |
5649a778 |
237 | |
02e079d4 |
238 | // SetSamplingFraction(geom->GetSampling()); |
5649a778 |
239 | |
08a3fb06 |
240 | fNbinEta = geom->GetNZ(); |
241 | fNbinPhi = geom->GetNPhi(); |
242 | fPhiMin = geom->GetArm1PhiMin()*TMath::Pi()/180.; |
243 | fPhiMax = geom->GetArm1PhiMax()*TMath::Pi()/180.; |
244 | fEtaMin = geom->GetArm1EtaMin(); |
245 | fEtaMax = geom->GetArm1EtaMax(); |
6fe407f0 |
246 | fDphi = (fPhiMax-fPhiMin)/fNbinPhi; |
08a3fb06 |
247 | fDeta = (fEtaMax-fEtaMin)/fNbinEta; |
248 | fNtot = fNbinPhi*fNbinEta; |
7deee4ae |
249 | fWeightingMethod = kFALSE; |
250 | |
08a3fb06 |
251 | // |
252 | SetCellSize(fDeta, fDphi); |
253 | // |
254 | // I/O |
255 | if (fOutFileName) fOutFile = new TFile(fOutFileName, "recreate"); |
220d7b7b |
256 | // |
257 | // |
08a3fb06 |
258 | } |
471f69dc |
259 | |
260 | void AliEMCALJetFinder::Find(Int_t ncell, Int_t ncell_tot, Float_t etc[30000], |
261 | Float_t etac[30000], Float_t phic[30000], |
262 | Float_t min_move, Float_t max_move, Int_t mode, |
263 | Float_t prec_bg, Int_t ierror) |
264 | { |
265 | // Wrapper for fortran coded jet finder |
266 | // Full argument list |
267 | jet_finder_ua1(ncell, ncell_tot, etc, etac, phic, |
268 | min_move, max_move, mode, prec_bg, ierror); |
269 | // Write result to output |
b7a73953 |
270 | if(fWrite) WriteJets(); |
271 | fEvent++; |
471f69dc |
272 | } |
273 | |
274 | void AliEMCALJetFinder::Find() |
275 | { |
276 | // Wrapper for fortran coded jet finder using member data for |
277 | // argument list |
278 | |
b7a73953 |
279 | Float_t min_move = fMinMove; |
280 | Float_t max_move = fMaxMove; |
281 | Int_t mode = fMode; |
282 | Float_t prec_bg = fPrecBg; |
283 | Int_t ierror; |
b7a73953 |
284 | ResetJets(); // 4-feb-2002 by PAI |
471f69dc |
285 | |
286 | jet_finder_ua1(fNcell, fNtot, fEtCell, fEtaCell, fPhiCell, |
287 | min_move, max_move, mode, prec_bg, ierror); |
b7a73953 |
288 | fError = ierror; |
471f69dc |
289 | // Write result to output |
3bc109a9 |
290 | Int_t njet = Njets(); |
d594b22e |
291 | |
3bc109a9 |
292 | for (Int_t nj=0; nj<njet; nj++) |
293 | { |
7deee4ae |
294 | if (fWeightingMethod) |
295 | { |
296 | fJetT[nj] = new AliEMCALJet(WeightedJetEnergy( JetEtaW(nj),JetPhiW(nj) ), |
297 | JetPhiW(nj), |
298 | JetEtaW(nj)); |
299 | |
300 | }else{ |
301 | |
3bc109a9 |
302 | fJetT[nj] = new AliEMCALJet(JetEnergy(nj), |
303 | JetPhiW(nj), |
304 | JetEtaW(nj)); |
7deee4ae |
305 | } |
306 | fJetT[nj]->SetIsWeightedEnergy(fWeightingMethod); |
307 | fJetT[nj]->SetEMCALEnergy( EMCALConeEnergy(JetEtaW(nj),JetPhiW(nj)) ); |
308 | fJetT[nj]->SetTrackEnergy(TrackConeEnergy( JetEtaW(nj),JetPhiW(nj) )); |
309 | fJetT[nj]->SetHCEnergy(HCConeEnergy( JetEtaW(nj),JetPhiW(nj) )); |
310 | |
3bc109a9 |
311 | } |
b7a73953 |
312 | |
c44ecd4c |
313 | FindTracksInJetCone(); |
b7a73953 |
314 | if(fWrite) WriteJets(); |
08a3fb06 |
315 | fEvent++; |
471f69dc |
316 | } |
317 | |
7deee4ae |
318 | |
319 | Float_t AliEMCALJetFinder::EMCALConeEnergy(Float_t eta, Float_t phi) |
320 | { |
3fb730f8 |
321 | // Calculate the energy in the cone |
7deee4ae |
322 | Float_t newenergy = 0.0; |
323 | Float_t bineta,binphi; |
324 | TAxis *x = fhLegoEMCAL->GetXaxis(); |
325 | TAxis *y = fhLegoEMCAL->GetYaxis(); |
326 | for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord |
327 | { |
328 | for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord |
329 | { |
330 | bineta = x->GetBinCenter(i); |
331 | binphi = y->GetBinCenter(j); |
332 | if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) |
333 | { |
334 | newenergy += fhLegoEMCAL->GetBinContent(i,j); |
335 | } |
336 | } |
337 | } |
338 | return newenergy; |
339 | } |
340 | |
341 | Float_t AliEMCALJetFinder::TrackConeEnergy(Float_t eta, Float_t phi) |
342 | { |
3fb730f8 |
343 | // Calculate the track energy in the cone |
7deee4ae |
344 | Float_t newenergy = 0.0; |
345 | Float_t bineta,binphi; |
346 | TAxis *x = fhLegoTracks->GetXaxis(); |
347 | TAxis *y = fhLegoTracks->GetYaxis(); |
348 | for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord |
349 | { |
350 | for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord |
351 | { |
352 | bineta = x->GetBinCenter(i); |
353 | binphi = y->GetBinCenter(j); |
354 | if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) |
355 | { |
356 | newenergy += fhLegoTracks->GetBinContent(i,j); |
357 | } |
358 | } |
359 | } |
360 | return newenergy; |
361 | } |
362 | |
363 | Float_t AliEMCALJetFinder::HCConeEnergy(Float_t eta, Float_t phi) |
364 | { |
365 | //Float_t newenergy = 0.0; |
366 | //Float_t bineta,binphi; |
367 | //TAxis *x = fhLegoTracks->GetXaxis(); |
368 | //TAxis *y = fhLegoTracks->GetYaxis(); |
369 | //for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord |
370 | // { |
371 | // for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord |
372 | // { |
373 | // bineta = x->GetBinCenter(i); |
374 | // binphi = y->GetBinCenter(j); |
375 | // if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) |
376 | // { |
377 | // newenergy += fhLegoTracks->GetBinContent(i,j); |
378 | // } |
379 | // } |
380 | //} |
381 | //return newenergy; |
382 | |
9e5d2067 |
383 | return eta*phi*0.0; |
7deee4ae |
384 | |
385 | } |
386 | |
387 | |
388 | |
389 | Float_t AliEMCALJetFinder::WeightedJetEnergy(Float_t eta, Float_t phi) |
390 | { |
3fb730f8 |
391 | // Calculate the weighted jet energy |
392 | |
7deee4ae |
393 | Float_t newenergy = 0.0; |
394 | Float_t bineta,binphi; |
395 | TAxis *x = fhLegoEMCAL->GetXaxis(); |
396 | TAxis *y = fhLegoEMCAL->GetYaxis(); |
397 | |
398 | |
399 | for (Int_t i = 0 ; i < fNbinEta ; i++) // x coord |
400 | { |
401 | for (Int_t j = 0 ; j < fNbinPhi ; j++) // y coord |
402 | { |
403 | bineta = x->GetBinCenter(i); |
404 | binphi = y->GetBinCenter(j); |
405 | if ( (bineta-eta)*(bineta-eta) + (binphi-phi)*(binphi-phi) < fConeRadius*fConeRadius) |
406 | { |
407 | newenergy += (fEMCALWeight)* fhLegoEMCAL->GetBinContent(i,j) + (fTrackWeight)* fhLegoTracks->GetBinContent(i,j); |
408 | } |
409 | } |
410 | } |
411 | |
412 | return newenergy; |
413 | |
414 | } |
415 | |
416 | |
3fb730f8 |
417 | Int_t AliEMCALJetFinder::Njets() const |
471f69dc |
418 | { |
419 | // Get number of reconstructed jets |
420 | return EMCALJETS.njet; |
421 | } |
422 | |
423 | Float_t AliEMCALJetFinder::JetEnergy(Int_t i) |
424 | { |
425 | // Get reconstructed jet energy |
426 | return EMCALJETS.etj[i]; |
427 | } |
428 | |
429 | Float_t AliEMCALJetFinder::JetPhiL(Int_t i) |
430 | { |
431 | // Get reconstructed jet phi from leading particle |
432 | return EMCALJETS.phij[0][i]; |
433 | } |
434 | |
435 | Float_t AliEMCALJetFinder::JetPhiW(Int_t i) |
436 | { |
437 | // Get reconstructed jet phi from weighting |
438 | return EMCALJETS.phij[1][i]; |
439 | } |
440 | |
441 | Float_t AliEMCALJetFinder::JetEtaL(Int_t i) |
442 | { |
443 | // Get reconstructed jet eta from leading particles |
444 | return EMCALJETS.etaj[0][i]; |
445 | } |
446 | |
447 | |
448 | Float_t AliEMCALJetFinder::JetEtaW(Int_t i) |
449 | { |
450 | // Get reconstructed jet eta from weighting |
451 | return EMCALJETS.etaj[1][i]; |
452 | } |
453 | |
454 | void AliEMCALJetFinder::SetCellSize(Float_t eta, Float_t phi) |
455 | { |
456 | // Set grid cell size |
457 | EMCALCELLGEO.etaCellSize = eta; |
458 | EMCALCELLGEO.phiCellSize = phi; |
459 | } |
460 | |
461 | void AliEMCALJetFinder::SetConeRadius(Float_t par) |
462 | { |
463 | // Set jet cone radius |
464 | EMCALJETPARAM.coneRad = par; |
3bc109a9 |
465 | fConeRadius = par; |
471f69dc |
466 | } |
467 | |
468 | void AliEMCALJetFinder::SetEtSeed(Float_t par) |
469 | { |
470 | // Set et cut for seeds |
471 | EMCALJETPARAM.etSeed = par; |
d594b22e |
472 | fEtSeed = par; |
471f69dc |
473 | } |
474 | |
475 | void AliEMCALJetFinder::SetMinJetEt(Float_t par) |
476 | { |
477 | // Set minimum jet et |
478 | EMCALJETPARAM.ejMin = par; |
d594b22e |
479 | fMinJetEt = par; |
471f69dc |
480 | } |
481 | |
482 | void AliEMCALJetFinder::SetMinCellEt(Float_t par) |
483 | { |
484 | // Set et cut per cell |
485 | EMCALJETPARAM.etMin = par; |
d594b22e |
486 | fMinCellEt = par; |
471f69dc |
487 | } |
488 | |
3bc109a9 |
489 | void AliEMCALJetFinder::SetPtCut(Float_t par) |
490 | { |
491 | // Set pT cut on charged tracks |
492 | fPtCut = par; |
493 | } |
494 | |
471f69dc |
495 | |
496 | void AliEMCALJetFinder::Test() |
497 | { |
498 | // |
499 | // Test the finder call |
500 | // |
501 | const Int_t nmax = 30000; |
502 | Int_t ncell = 10; |
503 | Int_t ncell_tot = 100; |
504 | |
505 | Float_t etc[nmax]; |
506 | Float_t etac[nmax]; |
507 | Float_t phic[nmax]; |
508 | Float_t min_move = 0; |
509 | Float_t max_move = 0; |
510 | Int_t mode = 0; |
511 | Float_t prec_bg = 0; |
512 | Int_t ierror = 0; |
513 | |
514 | |
515 | Find(ncell, ncell_tot, etc, etac, phic, |
516 | min_move, max_move, mode, prec_bg, ierror); |
517 | |
518 | } |
519 | |
520 | // |
521 | // I/O |
522 | // |
523 | |
524 | void AliEMCALJetFinder::AddJet(const AliEMCALJet& jet) |
525 | { |
526 | // |
527 | // Add a jet |
528 | // |
529 | TClonesArray &lrawcl = *fJets; |
530 | new(lrawcl[fNjets++]) AliEMCALJet(jet); |
531 | } |
532 | |
533 | void AliEMCALJetFinder::ResetJets() |
534 | { |
535 | // |
536 | // Reset Jet List |
537 | // |
538 | fJets->Clear(); |
539 | fNjets = 0; |
540 | } |
541 | |
542 | void AliEMCALJetFinder::WriteJets() |
543 | { |
544 | // |
545 | // Add all jets to the list |
546 | // |
547 | const Int_t kBufferSize = 4000; |
08a3fb06 |
548 | const char* file = 0; |
549 | |
471f69dc |
550 | Int_t njet = Njets(); |
08a3fb06 |
551 | |
3bc109a9 |
552 | for (Int_t nj = 0; nj < njet; nj++) |
471f69dc |
553 | { |
3bc109a9 |
554 | AddJet(*fJetT[nj]); |
555 | delete fJetT[nj]; |
471f69dc |
556 | } |
3bc109a9 |
557 | |
08a3fb06 |
558 | // I/O |
88cb7938 |
559 | AliEMCALGetter * gime = AliEMCALGetter::Instance() ; |
08a3fb06 |
560 | if (!fOutFileName) { |
561 | // |
562 | // output written to input file |
563 | // |
88cb7938 |
564 | AliEMCAL* pEMCAL = (AliEMCAL* )gAlice->GetModule("EMCAL"); |
565 | TTree* pK = gAlice->TreeK(); |
566 | file = (pK->GetCurrentFile())->GetName(); |
567 | TBranch * jetBranch ; |
08a3fb06 |
568 | if (fDebug > 1) |
569 | printf("Make Branch - TreeR address %p %p\n",gAlice->TreeR(), pEMCAL); |
88cb7938 |
570 | //if (fJets && gAlice->TreeR()) { |
571 | if (fJets && gime->TreeR()) { |
572 | // pEMCAL->MakeBranchInTree(gAlice->TreeR(), |
573 | jetBranch = gime->TreeR()->Branch("EMCALJets", &fJets, kBufferSize, 0) ; |
574 | //pEMCAL->MakeBranchInTree(gime->TreeR(), |
575 | // "EMCALJets", |
576 | // &fJets, |
577 | // kBufferSize, |
578 | // file); |
579 | |
580 | //Int_t nev = gAlice->GetHeader()->GetEvent(); |
581 | //gAlice->TreeR()->Fill(); |
582 | jetBranch->Fill(); |
583 | //char hname[30]; |
584 | //sprintf(hname,"TreeR%d", nev); |
585 | //gAlice->TreeR()->Write(hname); |
586 | //gAlice->TreeR()->Reset(); |
587 | gime->WriteRecPoints("OVERWRITE"); |
08a3fb06 |
588 | } |
08a3fb06 |
589 | } else { |
590 | // |
591 | // Output written to user specified output file |
592 | // |
88cb7938 |
593 | //TTree* pK = gAlice->TreeK(); |
594 | TTree* pK = gAlice->TreeK(); |
595 | fInFile = pK->GetCurrentFile(); |
596 | |
597 | fOutFile->cd(); |
598 | char hname[30]; |
599 | sprintf(hname,"TreeR%d", fEvent); |
600 | TTree* treeJ = new TTree(hname, "EMCALJets"); |
601 | treeJ->Branch("EMCALJets", &fJets, kBufferSize); |
602 | treeJ->Fill(); |
603 | treeJ->Write(hname); |
604 | fInFile->cd(); |
08a3fb06 |
605 | } |
471f69dc |
606 | ResetJets(); |
607 | } |
608 | |
609 | void AliEMCALJetFinder::BookLego() |
610 | { |
611 | // |
f6ada3ae |
612 | // Book histo for discretization |
471f69dc |
613 | // |
be9787fe |
614 | |
610f27c9 |
615 | // |
616 | // Don't add histos to the current directory |
b561574c |
617 | if(fDebug) printf("\n AliEMCALJetFinder::BookLego() \n"); |
618 | |
f6ada3ae |
619 | // TH2::AddDirectory(0); // hists wil be put to the list from gROOT |
620 | // TH1::AddDirectory(0); |
b561574c |
621 | gROOT->cd(); |
471f69dc |
622 | // |
46955412 |
623 | // Signal map |
471f69dc |
624 | fLego = new TH2F("legoH","eta-phi", |
be9787fe |
625 | fNbinEta, fEtaMin, fEtaMax, |
626 | fNbinPhi, fPhiMin, fPhiMax); |
46955412 |
627 | // |
628 | // Background map |
b561574c |
629 | fLegoB = new TH2F("legoB","eta-phi for BG event", |
be9787fe |
630 | fNbinEta, fEtaMin, fEtaMax, |
631 | fNbinPhi, fPhiMin, fPhiMax); |
c44ecd4c |
632 | |
633 | // Tracks map |
634 | fhLegoTracks = new TH2F("hLegoTracks","eta-phi for Tracks", |
635 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); |
636 | // EMCAL map |
637 | fhLegoEMCAL = new TH2F("hLegoEMCAL","eta-phi for EMCAL", |
638 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); |
639 | // Hadron correction map |
640 | fhLegoHadrCorr = new TH2F("hLegoHadrCorr","eta-phi for Hadron. Correction", |
641 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); |
642 | // Hists. for tuning jet finder |
643 | fhEff = new TH2F("hEff","#epsilon vs momentum ", 100,0.,20., 50,0.5,1.); |
644 | |
645 | TArrayF eTmp(1101); |
646 | eTmp[0] = 0.0; |
647 | for(Int_t i=1; i<=1000; i++) eTmp[i] = 0.1*i; // step 100 mev |
648 | for(Int_t i=1001; i<=1100; i++) eTmp[i] = eTmp[1000] + 1.0*(i-1000); // step 1GeV |
649 | |
650 | fhCellEt = new TH1F("hCellEt","Cell E_{T} from fLego", |
651 | eTmp.GetSize()-1, eTmp.GetArray()); |
652 | fhCellEMCALEt = new TH1F("hCellEMCALEt","Cell E_{T} for EMCAL itself", |
653 | eTmp.GetSize()-1, eTmp.GetArray()); |
654 | fhTrackPt = new TH1F("hTrackPt","Ch.particles P_{T} ", |
655 | eTmp.GetSize()-1, eTmp.GetArray()); |
656 | fhTrackPtBcut = new TH1F("hTrackPtBcut","Ch.particles P_{T} + magnetic field cut", |
657 | eTmp.GetSize()-1, eTmp.GetArray()); |
b561574c |
658 | |
659 | fhChPartMultInTpc = new TH1F("hChPartMultInTpc", |
660 | "Charge partilcle multiplicity in |%eta|<0.9", 2000, 0, 20000); |
661 | |
f6ada3ae |
662 | fhSinTheta = new TH1F("fhSinTheta","sin(theta)", fNbinEta, fEtaMin, fEtaMax); |
663 | TAxis *xax = fhSinTheta->GetXaxis(); |
664 | for(Int_t i=1; i<=fNbinEta; i++) { |
665 | Double_t eta = xax->GetBinCenter(i); |
666 | fhSinTheta->Fill(eta, 1./TMath::CosH(eta)); // cosh(eta) = 1./sin(theta) |
667 | } |
668 | |
669 | //! first canvas for drawing |
670 | fHistsList=AliEMCALJetMicroDst::MoveHistsToList("Hists from AliEMCALJetFinder", kFALSE); |
471f69dc |
671 | } |
672 | |
673 | void AliEMCALJetFinder::DumpLego() |
674 | { |
675 | // |
676 | // Dump lego histo into array |
677 | // |
678 | fNcell = 0; |
3fb730f8 |
679 | TAxis* xaxis = fLego->GetXaxis(); |
680 | TAxis* yaxis = fLego->GetYaxis(); |
c44ecd4c |
681 | // fhCellEt->Clear(); |
682 | Float_t e, eH; |
683 | for (Int_t i = 1; i <= fNbinEta; i++) { |
684 | for (Int_t j = 1; j <= fNbinPhi; j++) { |
220d7b7b |
685 | |
c44ecd4c |
686 | e = fLego->GetBinContent(i,j); |
220d7b7b |
687 | if (fRandomBg) { |
688 | if (gRandom->Rndm() < 0.5) { |
689 | Float_t ebg = 0.28 * TMath::Abs(gRandom->Gaus(0.,1.)); |
690 | e += ebg; |
691 | } |
692 | } |
693 | if (e > 0.0) e -= fMinCellEt; |
694 | if (e < 0.0) e = 0.; |
3fb730f8 |
695 | Float_t eta = xaxis->GetBinCenter(i); |
696 | Float_t phi = yaxis->GetBinCenter(j); |
220d7b7b |
697 | fEtCell[fNcell] = e; |
698 | fEtaCell[fNcell] = eta; |
699 | fPhiCell[fNcell] = phi; |
700 | fNcell++; |
701 | fhCellEt->Fill(e); |
c44ecd4c |
702 | if(fhLegoEMCAL) { |
703 | eH = fhLegoEMCAL->GetBinContent(i,j); |
704 | if(eH > 0.0) fhCellEMCALEt->Fill(eH); |
705 | } |
471f69dc |
706 | } // phi |
707 | } // eta |
02e079d4 |
708 | // today |
709 | // fNcell--; |
471f69dc |
710 | } |
711 | |
712 | void AliEMCALJetFinder::ResetMap() |
713 | { |
714 | // |
715 | // Reset eta-phi array |
716 | |
717 | for (Int_t i=0; i<30000; i++) |
718 | { |
719 | fEtCell[i] = 0.; |
720 | fEtaCell[i] = 0.; |
721 | fPhiCell[i] = 0.; |
722 | } |
723 | } |
724 | |
725 | |
726 | void AliEMCALJetFinder::FillFromTracks(Int_t flag, Int_t ich) |
727 | { |
220d7b7b |
728 | // Which generator |
729 | // |
730 | const char* name = gAlice->Generator()->GetName(); |
731 | enum {kPythia, kHijing, kHijingPara}; |
732 | Int_t genType = 0; |
733 | |
734 | if (!strcmp(name, "Hijing")){ |
735 | genType = kHijing; |
736 | } else if (!strcmp(name, "Pythia")) { |
737 | genType = kPythia; |
738 | } else if (!strcmp(name, "HIJINGpara") ||!strcmp(name, "HIGINGpara")) { |
739 | genType = kHijingPara; |
740 | } |
741 | if (fDebug>=2) |
742 | printf("Fill tracks generated by %s %d\n", name, genType); |
743 | |
744 | |
471f69dc |
745 | // |
d594b22e |
746 | // Fill Cells with track information |
471f69dc |
747 | // |
b7a73953 |
748 | if (fDebug >= 2) |
749 | printf("\n AliEMCALJetFinder::FillFromTracks(%i,%i) ",flag,ich); |
b561574c |
750 | fNChTpc = 0; |
b7a73953 |
751 | |
471f69dc |
752 | ResetMap(); |
753 | |
754 | if (!fLego) BookLego(); |
755 | // Reset |
756 | if (flag == 0) fLego->Reset(); |
757 | // |
758 | // Access particle information |
759 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
b561574c |
760 | Int_t ntr = (gAlice->GetHeader())->GetNtrack(); |
f6ada3ae |
761 | printf(" : #primary particles %i # tracks %i : (before) Sum.Et %f\n", |
762 | npart, ntr, fLego->Integral()); |
b7a73953 |
763 | |
3bc109a9 |
764 | // Create track list |
765 | // |
766 | // 0: not selected |
767 | // 1: selected for jet finding |
768 | // 2: inside jet |
769 | // .... |
770 | if (fTrackList) delete[] fTrackList; |
771 | if (fPtT) delete[] fPtT; |
772 | if (fEtaT) delete[] fEtaT; |
773 | if (fPhiT) delete[] fPhiT; |
975127ed |
774 | if (fPdgT) delete[] fPdgT; |
3bc109a9 |
775 | |
776 | fTrackList = new Int_t [npart]; |
777 | fPtT = new Float_t[npart]; |
778 | fEtaT = new Float_t[npart]; |
779 | fPhiT = new Float_t[npart]; |
975127ed |
780 | fPdgT = new Int_t[npart]; |
ff114de3 |
781 | |
b561574c |
782 | fNt = npart; |
ff114de3 |
783 | fNtS = 0; |
b7a73953 |
784 | Float_t chTmp=0.0; // charge of current particle |
b561574c |
785 | // Int_t idGeant; |
ff114de3 |
786 | |
b561574c |
787 | // this is for Pythia ?? |
c44ecd4c |
788 | for (Int_t part = 0; part < npart; part++) { |
5d12ce38 |
789 | TParticle *MPart = gAlice->GetMCApp()->Particle(part); |
471f69dc |
790 | Int_t mpart = MPart->GetPdgCode(); |
791 | Int_t child1 = MPart->GetFirstDaughter(); |
792 | Float_t pT = MPart->Pt(); |
d594b22e |
793 | Float_t p = MPart->P(); |
471f69dc |
794 | Float_t phi = MPart->Phi(); |
c44ecd4c |
795 | Float_t eta = -100.; |
796 | if(pT > 0.001) eta = MPart->Eta(); |
b7a73953 |
797 | Float_t theta = MPart->Theta(); |
f6ada3ae |
798 | if (fDebug>=2 && MPart->GetStatusCode()==1) { |
b561574c |
799 | printf("ind %7i part %7i -> child1 %5i child2 %5i Status %5i\n", |
800 | part, mpart, child1, MPart->GetLastDaughter(), MPart->GetStatusCode()); |
801 | } |
46955412 |
802 | |
220d7b7b |
803 | if (fDebug >= 2 && genType == kPythia) { |
d594b22e |
804 | if (part == 6 || part == 7) |
805 | { |
610f27c9 |
806 | printf("\n Simulated Jet (pt, eta, phi): %d %f %f %f\n", |
d594b22e |
807 | part-5, pT, eta, phi); |
808 | } |
d594b22e |
809 | } |
810 | |
b7a73953 |
811 | fTrackList[part] = 0; |
812 | fPtT[part] = pT; // must be change after correction for resolution !!! |
3bc109a9 |
813 | fEtaT[part] = eta; |
814 | fPhiT[part] = phi; |
975127ed |
815 | fPdgT[part] = mpart; |
816 | |
220d7b7b |
817 | // final state particles only |
818 | |
819 | if (genType == kPythia) { |
820 | if (MPart->GetStatusCode() != 1) continue; |
821 | } else if (genType == kHijing) { |
822 | if (child1 >= 0 && child1 < npart) continue; |
823 | } |
824 | |
3dc5be1a |
825 | |
26dadf3a |
826 | TParticlePDG* pdgP = 0; |
471f69dc |
827 | // charged or neutral |
b7a73953 |
828 | pdgP = MPart->GetPDG(); |
829 | chTmp = pdgP->Charge() / 3.; // 13-feb-2001!! |
759ae494 |
830 | |
471f69dc |
831 | if (ich == 0) { |
b7a73953 |
832 | if (chTmp == 0) { |
833 | if (!fK0N) { |
d53b7b0b |
834 | continue; |
835 | } else { |
836 | if (mpart != kNeutron && |
837 | mpart != kNeutronBar && |
838 | mpart != kK0Long) continue; |
839 | } |
840 | } |
7deee4ae |
841 | } else if (ich == 2) { |
842 | if (mpart == kNeutron || |
843 | mpart == kNeutronBar || |
844 | mpart == kK0Long) continue; |
b7a73953 |
845 | } |
7deee4ae |
846 | |
b561574c |
847 | if (TMath::Abs(eta)<=0.9) fNChTpc++; |
848 | // final state only |
849 | if (child1 >= 0 && child1 < npart) continue; |
471f69dc |
850 | // acceptance cut |
759ae494 |
851 | if (eta > fEtaMax || eta < fEtaMin) continue; |
852 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
d594b22e |
853 | // |
b561574c |
854 | if (fDebug >= 3) |
b7a73953 |
855 | printf("\n=>nsel:%5d mpart %5d child1 %5d eta %6.2f phi %6.2f pT %6.2f ch %3.0f ", |
856 | part, mpart, child1, eta, phi, pT, chTmp); |
26dadf3a |
857 | // |
26dadf3a |
858 | // |
d594b22e |
859 | // Momentum smearing goes here ... |
860 | // |
c44ecd4c |
861 | fhTrackPt->Fill(pT); |
b7a73953 |
862 | Float_t pw; |
863 | if (fSmear && TMath::Abs(chTmp)) { |
864 | pw = AliEMCALFast::SmearMomentum(1,p); |
3dc5be1a |
865 | // p changed - take into account when calculate pT, |
866 | // pz and so on .. ? |
b7a73953 |
867 | pT = (pw/p) * pT; |
b561574c |
868 | if(fDebug >= 4) printf("\n Smearing : p %8.4f change to %8.4f ", p, pw); |
b7a73953 |
869 | p = pw; |
d594b22e |
870 | } |
871 | // |
872 | // Tracking Efficiency and TPC acceptance goes here ... |
c44ecd4c |
873 | Float_t eff; |
b7a73953 |
874 | if (fEffic && TMath::Abs(chTmp)) { |
7deee4ae |
875 | eff = 0.9; // AliEMCALFast::Efficiency(2,p); |
c44ecd4c |
876 | if(fhEff) fhEff->Fill(p, eff); |
b7a73953 |
877 | if (AliEMCALFast::RandomReject(eff)) { |
3dc5be1a |
878 | if(fDebug >= 5) printf(" reject due to unefficiency "); |
879 | continue; |
b7a73953 |
880 | } |
d594b22e |
881 | } |
882 | // |
883 | // Correction of Hadronic Energy goes here ... |
884 | // |
b7a73953 |
885 | // |
886 | // phi propagation for hadronic correction |
887 | |
888 | Bool_t curls = kFALSE; // hit two the EMCAL (no curl) |
c44ecd4c |
889 | Float_t phiHC=0.0, dpH=0.0, dphi=0.0, eTdpH=0; |
b7a73953 |
890 | if(TMath::Abs(chTmp)) { |
3dc5be1a |
891 | // hadr. correction only for charge particle |
892 | dphi = PropagatePhi(pT, chTmp, curls); |
893 | phiHC = phi + dphi; |
894 | if (fDebug >= 6) { |
895 | printf("\n Delta phi %f pT %f ", dphi, pT); |
896 | if (curls) printf("\n !! Track is curling"); |
897 | } |
898 | if(!curls) fhTrackPtBcut->Fill(pT); |
899 | |
900 | if (fHCorrection && !curls) { |
901 | if (!fHadronCorrector) |
902 | Fatal("AliEMCALJetFinder", |
903 | "Hadronic energy correction required but not defined !"); |
904 | |
905 | dpH = fHadronCorrector->GetEnergy(p, eta, 7); |
906 | eTdpH = dpH*TMath::Sin(theta); |
907 | |
908 | if (fDebug >= 7) printf(" phi %f phiHC %f eTcorr %f\n", |
909 | phi, phiHC, -eTdpH); // correction is negative |
7deee4ae |
910 | Int_t xbin,ybin; |
911 | xbin = fLego->GetXaxis()->FindBin(eta); |
912 | ybin = fLego->GetYaxis()->FindBin(phiHC); |
913 | cout <<"Hadron Correction affected bin - contents before correction : "<<fLego->GetBinContent(xbin,ybin)<<endl; |
914 | fLego->Fill(eta, phi, -fSamplingF*eTdpH ); |
915 | cout <<"Hadron Correction affected bin - contents after correction : "<<fLego->GetBinContent(xbin,ybin)<<endl; |
916 | fhLegoHadrCorr->Fill(eta, phi, fSamplingF*eTdpH); |
3dc5be1a |
917 | } |
b7a73953 |
918 | } |
d594b22e |
919 | // |
920 | // More to do ? Just think about it ! |
921 | // |
759ae494 |
922 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
b7a73953 |
923 | |
924 | if(TMath::Abs(chTmp) ) { // charge particle |
3dc5be1a |
925 | if (pT > fPtCut && !curls) { |
926 | if (fDebug >= 8) printf("Charge : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", |
927 | eta , phi, pT, fNtS); |
928 | fLego->Fill(eta, phi, pT); |
929 | fhLegoTracks->Fill(eta, phi, pT); // 20-feb for checking |
930 | fTrackList[part] = 1; |
931 | fNtS++; |
932 | } |
7deee4ae |
933 | } else if(ich > 0 || fK0N) { |
3dc5be1a |
934 | // case of n, nbar and K0L |
935 | if (fDebug >= 9) printf("Neutral : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", |
936 | eta , phi, pT, fNtS); |
b7a73953 |
937 | fLego->Fill(eta, phi, pT); |
938 | fTrackList[part] = 1; |
939 | fNtS++; |
940 | } |
c44ecd4c |
941 | } // primary loop |
02e079d4 |
942 | Float_t etsum = 0.; |
943 | for(Int_t i=0; i<fLego->GetSize(); i++) { |
944 | Float_t etc = (*fLego)[i]; |
945 | if (etc > fMinCellEt) etsum += etc; |
946 | } |
947 | |
f6ada3ae |
948 | printf("FillFromTracks: Sum above threshold %f -> %f (%f)\n", fMinCellEt, etsum, fLego->Integral()); |
949 | printf(" Track selected(fNtS) %i \n", fNtS); |
02e079d4 |
950 | |
471f69dc |
951 | DumpLego(); |
952 | } |
953 | |
954 | void AliEMCALJetFinder::FillFromHits(Int_t flag) |
955 | { |
956 | // |
d594b22e |
957 | // Fill Cells with hit information |
471f69dc |
958 | // |
959 | // |
b7a73953 |
960 | if (fDebug >= 2) |
961 | printf("\n AliEMCALJetFinder::FillFromHits(%i)\n",flag); |
962 | |
471f69dc |
963 | ResetMap(); |
964 | |
965 | if (!fLego) BookLego(); |
c44ecd4c |
966 | // Reset eta-phi maps if needed |
967 | if (flag == 0) { // default behavior |
968 | fLego->Reset(); |
969 | fhLegoTracks->Reset(); |
970 | fhLegoEMCAL->Reset(); |
971 | fhLegoHadrCorr->Reset(); |
972 | } |
ff114de3 |
973 | // Initialize from background event if available |
471f69dc |
974 | // |
975 | // Access hit information |
976 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
88cb7938 |
977 | AliEMCALGetter * gime = AliEMCALGetter::Instance() ; |
978 | TTree *treeH = gime->TreeH(); |
471f69dc |
979 | Int_t ntracks = (Int_t) treeH->GetEntries(); |
980 | // |
981 | // Loop over tracks |
982 | // |
983 | Int_t nbytes = 0; |
f6ada3ae |
984 | // Double_t etH = 0.0; |
471f69dc |
985 | |
471f69dc |
986 | for (Int_t track=0; track<ntracks;track++) { |
987 | gAlice->ResetHits(); |
988 | nbytes += treeH->GetEvent(track); |
989 | // |
990 | // Loop over hits |
991 | // |
992 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); |
993 | mHit; |
994 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) |
995 | { |
996 | Float_t x = mHit->X(); // x-pos of hit |
997 | Float_t y = mHit->Y(); // y-pos |
998 | Float_t z = mHit->Z(); // z-pos |
999 | Float_t eloss = mHit->GetEnergy(); // deposited energy |
d594b22e |
1000 | |
1001 | Float_t r = TMath::Sqrt(x*x+y*y); |
1002 | Float_t theta = TMath::ATan2(r,z); |
1003 | Float_t eta = -TMath::Log(TMath::Tan(theta/2.)); |
1004 | Float_t phi = TMath::ATan2(y,x); |
610f27c9 |
1005 | |
f6ada3ae |
1006 | if (fDebug >= 21) printf("\n Hit %f %f %f %f %f %f %f %f", x, y, z, eloss, r, eta, phi, fSamplingF); |
610f27c9 |
1007 | |
f6ada3ae |
1008 | // etH = fSamplingF*eloss*TMath::Sin(theta); |
1009 | fLego->Fill(eta, phi, eloss); |
471f69dc |
1010 | } // Hit Loop |
1011 | } // Track Loop |
f6ada3ae |
1012 | |
1013 | // Transition from deposit energy to eT (eT = de*SF*sin(theta)) |
1014 | Double_t etsum = 0; |
1015 | for(Int_t i=1; i<=fLego->GetNbinsX(); i++){ // eta |
1016 | Double_t sinTheta = fhSinTheta->GetBinContent(i), eT=0; |
1017 | for(Int_t j=1; j<=fLego->GetNbinsY(); j++){ // phi |
1018 | eT = fLego->GetBinContent(i,j)*fSamplingF*sinTheta; |
1019 | fLego->SetBinContent(i,j,eT); |
1020 | // copy content of fLego to fhLegoEMCAL (fLego and fhLegoEMCAL are identical) |
1021 | fhLegoEMCAL->SetBinContent(i,j,eT); |
1022 | if (eT > fMinCellEt) etsum += eT; |
1023 | } |
02e079d4 |
1024 | } |
f6ada3ae |
1025 | |
1026 | // for(Int_t i=0; i<fLego->GetSize(); i++) { |
1027 | // (*fhLegoEMCAL)[i] = (*fLego)[i]; |
1028 | // Float_t etc = (*fLego)[i]; |
1029 | // if (etc > fMinCellEt) etsum += etc; |
1030 | // } |
02e079d4 |
1031 | |
f6ada3ae |
1032 | printf("FillFromHits: Sum above threshold %f -> %f \n ", fMinCellEt, etsum); |
c44ecd4c |
1033 | // DumpLego(); ?? |
471f69dc |
1034 | } |
1035 | |
d594b22e |
1036 | void AliEMCALJetFinder::FillFromDigits(Int_t flag) |
1037 | { |
1038 | // |
1039 | // Fill Cells with digit information |
1040 | // |
1041 | // |
1042 | ResetMap(); |
1043 | |
1044 | if (!fLego) BookLego(); |
1045 | if (flag == 0) fLego->Reset(); |
0798b21e |
1046 | Int_t nbytes=0; |
d594b22e |
1047 | |
1048 | |
1049 | // |
1050 | // Connect digits |
1051 | // |
1052 | TClonesArray* digs = new TClonesArray("AliEMCALDigit", 10000); |
1053 | TTree *treeD = gAlice->TreeD(); |
1054 | TBranchElement* branchDg = (TBranchElement*) |
1055 | treeD->GetBranch("EMCAL"); |
1056 | |
1057 | if (!branchDg) Fatal("AliEMCALJetFinder", |
1058 | "Reading digits requested but no digits in file !"); |
1059 | |
1060 | branchDg->SetAddress(&digs); |
1061 | Int_t nent = (Int_t) branchDg->GetEntries(); |
1062 | // |
1063 | // Connect digitizer |
1064 | // |
1065 | AliEMCALDigitizer* digr = new AliEMCALDigitizer(); |
1066 | TBranchElement* branchDr = (TBranchElement*) |
1067 | treeD->GetBranch("AliEMCALDigitizer"); |
1068 | branchDr->SetAddress(&digr); |
1069 | // |
1070 | // |
1071 | nbytes += branchDg->GetEntry(0); |
1072 | nbytes += branchDr->GetEntry(0); |
1073 | // |
1074 | // Get digitizer parameters |
8a19c971 |
1075 | Float_t preADCped = digr->GetPREpedestal(); |
1076 | Float_t preADCcha = digr->GetPREchannel(); |
88cb7938 |
1077 | Float_t ecADCped = digr->GetECApedestal(); |
1078 | Float_t ecADCcha = digr->GetECAchannel(); |
1079 | Float_t hcADCped = digr->GetHCApedestal(); |
1080 | Float_t hcADCcha = digr->GetHCAchannel(); |
d594b22e |
1081 | |
1082 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
1083 | AliEMCALGeometry* geom = |
1084 | AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); |
1085 | |
1086 | if (fDebug) { |
1087 | Int_t ndig = digs->GetEntries(); |
8a19c971 |
1088 | Info("FillFromDigits","Number of Digits: %d %d\n Parameters: PRE : %f %f EC: %f %f HC: %f %f\n Geometry: %d %d", |
1089 | ndig, nent, preADCped, preADCcha, ecADCped, ecADCcha, hcADCped, hcADCcha, geom->GetNEta(), geom->GetNPhi()); |
d594b22e |
1090 | } |
1091 | |
1092 | // |
1093 | // Loop over digits |
1094 | AliEMCALDigit* sdg; |
1095 | TIter next(digs); |
1096 | while ((sdg = (AliEMCALDigit*)(next()))) |
1097 | { |
8a19c971 |
1098 | Double_t pedestal = 0.; |
1099 | Double_t channel = 0.; |
1100 | if (geom->IsInPRE(sdg->GetId())) { |
1101 | pedestal = preADCped; |
1102 | channel = preADCcha; |
1103 | } |
88cb7938 |
1104 | else if (geom->IsInECA(sdg->GetId())) { |
8a19c971 |
1105 | pedestal = ecADCped; |
1106 | channel = ecADCcha; |
1107 | } |
88cb7938 |
1108 | else if (geom->IsInHCA(sdg->GetId())) { |
8a19c971 |
1109 | pedestal = hcADCped; |
1110 | channel = hcADCcha; |
d594b22e |
1111 | } |
8a19c971 |
1112 | else |
1113 | Fatal("FillFromDigits", "unexpected digit is number!") ; |
d594b22e |
1114 | |
1115 | Float_t eta = sdg->GetEta(); |
1116 | Float_t phi = sdg->GetPhi() * TMath::Pi()/180.; |
1117 | Float_t amp = (Float_t) (channel*(sdg->GetAmp())-pedestal); |
1118 | |
8a19c971 |
1119 | if (fDebug > 1) |
1120 | Info("FillFromDigits", "Digit: eta %8.3f phi %8.3f amp %8.3f %8d", |
d594b22e |
1121 | eta, phi, amp, sdg->GetAmp()); |
1122 | |
1123 | fLego->Fill(eta, phi, fSamplingF*amp); |
1124 | } // digit loop |
1125 | // |
1126 | // Dump lego hist |
1127 | DumpLego(); |
1128 | } |
1129 | |
1130 | |
1131 | void AliEMCALJetFinder::FillFromHitFlaggedTracks(Int_t flag) |
1132 | { |
1133 | // |
1134 | // Fill Cells with hit information |
1135 | // |
1136 | // |
1137 | ResetMap(); |
1138 | |
1139 | if (!fLego) BookLego(); |
1140 | // Reset |
1141 | if (flag == 0) fLego->Reset(); |
1142 | |
ff114de3 |
1143 | // Flag charged tracks passing through TPC which |
1144 | // are associated to EMCAL Hits |
d594b22e |
1145 | BuildTrackFlagTable(); |
1146 | |
1147 | // |
1148 | // Access particle information |
ff8fdf97 |
1149 | TTree *treeK = gAlice->TreeK(); |
1150 | Int_t ntracks = (Int_t) treeK->GetEntries(); |
d594b22e |
1151 | |
ff114de3 |
1152 | if (fPtT) delete[] fPtT; |
1153 | if (fEtaT) delete[] fEtaT; |
1154 | if (fPhiT) delete[] fPhiT; |
975127ed |
1155 | if (fPdgT) delete[] fPdgT; |
ff114de3 |
1156 | |
d594b22e |
1157 | fPtT = new Float_t[ntracks]; |
1158 | fEtaT = new Float_t[ntracks]; |
1159 | fPhiT = new Float_t[ntracks]; |
975127ed |
1160 | fPdgT = new Int_t[ntracks]; |
d594b22e |
1161 | |
ff114de3 |
1162 | fNt = ntracks; |
1163 | fNtS = 0; |
1164 | |
d594b22e |
1165 | for (Int_t track = 0; track < ntracks; track++) { |
3fb730f8 |
1166 | TParticle *mPart = gAlice->GetMCApp()->Particle(track); |
1167 | Float_t pT = mPart->Pt(); |
1168 | Float_t phi = mPart->Phi(); |
1169 | Float_t eta = mPart->Eta(); |
d594b22e |
1170 | |
1171 | if(fTrackList[track]) { |
1172 | fPtT[track] = pT; |
1173 | fEtaT[track] = eta; |
1174 | fPhiT[track] = phi; |
3fb730f8 |
1175 | fPdgT[track] = mPart->GetPdgCode(); |
975127ed |
1176 | |
d594b22e |
1177 | if (track < 2) continue; //Colliding particles? |
1178 | if (pT == 0 || pT < fPtCut) continue; |
ff114de3 |
1179 | fNtS++; |
d594b22e |
1180 | fLego->Fill(eta, phi, pT); |
1181 | } |
1182 | } // track loop |
1183 | DumpLego(); |
1184 | } |
1185 | |
c44ecd4c |
1186 | void AliEMCALJetFinder::FillFromParticles() |
1187 | { |
1188 | // 26-feb-2002 PAI - for checking all chain |
1189 | // Work on particles level; accept all particle (not neutrino ) |
1190 | |
3fb730f8 |
1191 | Double_t pX=0, pY=0, pZ=0, energy=0; // checking conservation law |
b561574c |
1192 | fNChTpc = 0; |
c44ecd4c |
1193 | |
1194 | ResetMap(); |
1195 | if (!fLego) BookLego(); |
1196 | fLego->Reset(); |
1197 | // |
1198 | // Access particles information |
1199 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
1200 | if (fDebug >= 2 || npart<=0) { |
b561574c |
1201 | printf(" AliEMCALJetFinder::FillFromParticles : npart %i\n", npart); |
1202 | if(npart<=0) return; |
c44ecd4c |
1203 | } |
1204 | fNt = npart; |
1205 | fNtS = 0; |
1206 | RearrangeParticlesMemory(npart); |
1207 | |
1208 | // Go through the particles |
b561574c |
1209 | Int_t mpart, child1, child2, geantPdg; |
1210 | Float_t pT, phi, eta, e=0, px=0, py=0, pz=0; |
3fb730f8 |
1211 | TParticle *mPart=0; |
c44ecd4c |
1212 | for (Int_t part = 0; part < npart; part++) { |
1213 | |
1214 | fTrackList[part] = 0; |
c44ecd4c |
1215 | |
3fb730f8 |
1216 | mPart = gAlice->GetMCApp()->Particle(part); |
1217 | mpart = mPart->GetPdgCode(); |
1218 | child1 = mPart->GetFirstDaughter(); |
1219 | child2 = mPart->GetLastDaughter(); |
1220 | pT = mPart->Pt(); |
1221 | phi = mPart->Phi(); |
1222 | eta = mPart->Eta(); |
b561574c |
1223 | |
3fb730f8 |
1224 | px = mPart->Px(); |
1225 | py = mPart->Py(); |
1226 | pz = mPart->Pz(); |
1227 | e = mPart->Energy(); |
b561574c |
1228 | |
1229 | // see pyedit in Pythia's text |
975127ed |
1230 | geantPdg = mpart; |
975127ed |
1231 | if (IsThisPartonsOrDiQuark(mpart)) continue; |
1232 | printf("%5i: %5i(%2i) px %5.1f py %5.1f pz %6.1f e %6.1f childs %5i,%5i \n", |
1233 | part, mpart, geantPdg, px, py, pz, e, child1, child2); |
c44ecd4c |
1234 | |
1235 | // exclude partons (21 - gluon, 92 - string) |
975127ed |
1236 | |
1237 | |
c44ecd4c |
1238 | // exclude neutrinous also ?? |
b561574c |
1239 | if (fDebug >= 11 && pT>0.01) |
1240 | printf("\n part:%5d mpart %5d eta %9.2f phi %9.2f pT %9.2f ", |
c44ecd4c |
1241 | part, mpart, eta, phi, pT); |
1242 | |
1243 | fPtT[part] = pT; |
1244 | fEtaT[part] = eta; |
1245 | fPhiT[part] = phi; |
975127ed |
1246 | fPdgT[part] = mpart; |
759ae494 |
1247 | fNtS++; |
975127ed |
1248 | |
b561574c |
1249 | // final state only |
1250 | if (child1 >= 0 && child1 < npart) continue; |
1251 | |
1252 | // printf("%4i -> %5i(%3i) px %6.1f py %6.1f pz %7.1f e %8.2f child1 %5i %s\n", |
1253 | // part, mpart, geantPdg, px, py, pz, e, child1, name.Data()); |
3fb730f8 |
1254 | pX += px; |
1255 | pY += py; |
1256 | pZ += pz; |
1257 | energy += e; |
b561574c |
1258 | |
1259 | |
1260 | if (TMath::Abs(eta) <= 0.9) fNChTpc++; |
c44ecd4c |
1261 | // acceptance cut |
759ae494 |
1262 | if (eta > fEtaMax || eta < fEtaMin) continue; |
1263 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
c44ecd4c |
1264 | // |
1265 | if(fK0N==0 ) { // exclude neutral hadrons |
1266 | if (mpart == kNeutron || mpart == kNeutronBar || mpart == kK0Long) continue; |
1267 | } |
1268 | fTrackList[part] = 1; |
1269 | fLego->Fill(eta, phi, pT); |
1270 | |
1271 | } // primary loop |
b561574c |
1272 | printf("\n PX %8.2f PY %8.2f PZ %8.2f E %8.2f \n", |
3fb730f8 |
1273 | pX, pY, pZ, energy); |
c44ecd4c |
1274 | DumpLego(); |
b561574c |
1275 | if(fhChPartMultInTpc) fhChPartMultInTpc->Fill(fNChTpc); |
c44ecd4c |
1276 | } |
1277 | |
b7a73953 |
1278 | void AliEMCALJetFinder::FillFromPartons() |
1279 | { |
1280 | // function under construction - 13-feb-2002 PAI |
1281 | |
1282 | if (fDebug >= 2) |
1283 | printf("\n AliEMCALJetFinder::FillFromPartons()\n"); |
1284 | // |
1285 | |
1286 | ResetMap(); |
1287 | if (!fLego) BookLego(); |
1288 | fLego->Reset(); |
1289 | // |
1290 | // Access particle information |
1291 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
1292 | if (fDebug >= 2 || npart<=0) |
1293 | printf("\n AliEMCALJetFinder::FillFromPartons : npart %i\n", npart); |
1294 | fNt = 0; // for FindTracksInJetCone |
1295 | fNtS = 0; |
1296 | |
1297 | // Go through the partons |
1298 | Int_t statusCode=0; |
1299 | for (Int_t part = 8; part < npart; part++) { |
3fb730f8 |
1300 | TParticle *mPart = gAlice->GetMCApp()->Particle(part); |
1301 | Int_t mpart = mPart->GetPdgCode(); |
b7a73953 |
1302 | // Int_t child1 = MPart->GetFirstDaughter(); |
3fb730f8 |
1303 | Float_t pT = mPart->Pt(); |
b7a73953 |
1304 | // Float_t p = MPart->P(); |
3fb730f8 |
1305 | Float_t phi = mPart->Phi(); |
1306 | Float_t eta = mPart->Eta(); |
b7a73953 |
1307 | // Float_t theta = MPart->Theta(); |
3fb730f8 |
1308 | statusCode = mPart->GetStatusCode(); |
b7a73953 |
1309 | |
1310 | // accept partons (21 - gluon, 92 - string) |
1311 | if (!(TMath::Abs(mpart) <= 6 || mpart == 21 ||mpart == 92)) continue; |
1312 | if (fDebug > 1 && pT>0.01) |
1313 | printf("\n part:%5d mpart %5d status %5d eta %8.2f phi %8.2f pT %8.2f ", |
1314 | part, mpart, statusCode, eta, phi, pT); |
1315 | // if (fDebug >= 3) MPart->Print(); |
1316 | // accept partons before fragmentation - p.57 in Pythia manual |
1317 | // if(statusCode != 1) continue; |
1318 | // acceptance cut |
759ae494 |
1319 | if (eta > fEtaMax || eta < fEtaMin) continue; |
1320 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
b7a73953 |
1321 | // final state only |
1322 | // if (child1 >= 0 && child1 < npart) continue; |
1323 | // |
1324 | // |
1325 | fLego->Fill(eta, phi, pT); |
1326 | |
1327 | } // primary loop |
1328 | DumpLego(); |
1329 | } |
1330 | |
d594b22e |
1331 | void AliEMCALJetFinder::BuildTrackFlagTable() { |
1332 | |
1333 | // Method to generate a lookup table for TreeK particles |
1334 | // which are linked to hits in the EMCAL |
1335 | // |
1336 | // --Author: J.L. Klay |
1337 | // |
d594b22e |
1338 | // Access hit information |
1339 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
1340 | |
3fb730f8 |
1341 | TTree *treeK = gAlice->TreeK(); // Get the number of entries in the kine tree |
1342 | Int_t nKTrks = (Int_t) treeK->GetEntries(); // (Number of particles created somewhere) |
d594b22e |
1343 | |
1344 | if(fTrackList) delete[] fTrackList; //Make sure we get rid of the old one |
1345 | fTrackList = new Int_t[nKTrks]; //before generating a new one |
1346 | |
1347 | for (Int_t i = 0; i < nKTrks; i++) { //Initialize members to 0 |
1348 | fTrackList[i] = 0; |
1349 | } |
1350 | |
88cb7938 |
1351 | AliEMCALGetter * gime = AliEMCALGetter::Instance() ; |
1352 | // TTree *treeH = gAlice->TreeH(); |
1353 | TTree *treeH = gime->TreeH(); |
1354 | Int_t ntracks = (Int_t) treeH->GetEntries(); |
d594b22e |
1355 | // |
1356 | // Loop over tracks |
1357 | // |
1358 | Int_t nbytes = 0; |
1359 | |
1360 | for (Int_t track=0; track<ntracks;track++) { |
1361 | gAlice->ResetHits(); |
1362 | nbytes += treeH->GetEvent(track); |
1363 | if (pEMCAL) { |
1364 | |
1365 | // |
1366 | // Loop over hits |
1367 | // |
1368 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); |
1369 | mHit; |
1370 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) |
1371 | { |
1372 | Int_t iTrk = mHit->Track(); // track number |
1373 | Int_t idprim = mHit->GetPrimary(); // primary particle |
1374 | |
1375 | //Determine the origin point of this particle - it made a hit in the EMCAL |
5d12ce38 |
1376 | TParticle *trkPart = gAlice->GetMCApp()->Particle(iTrk); |
d594b22e |
1377 | TParticlePDG *trkPdg = trkPart->GetPDG(); |
1378 | Int_t trkCode = trkPart->GetPdgCode(); |
1379 | Double_t trkChg; |
1380 | if (trkCode < 10000) { //Big Ions cause problems for |
1381 | trkChg = trkPdg->Charge(); //this function. Since they aren't |
1382 | } else { //likely to make it very far, set |
1383 | trkChg = 0.0; //their charge to 0 for the Flag test |
1384 | } |
1385 | Float_t vxTrk = trkPart->Vx(); |
1386 | Float_t vyTrk = trkPart->Vy(); |
1387 | Float_t vrTrk = TMath::Sqrt(vxTrk*vxTrk+vyTrk*vyTrk); |
1388 | fTrackList[iTrk] = SetTrackFlag(vrTrk,trkCode,trkChg); |
1389 | |
1390 | //Loop through the ancestry of the EMCAL entrance particles |
1391 | Int_t ancestor = trkPart->GetFirstMother(); //Get track's Mother |
1392 | while (ancestor != -1) { |
5d12ce38 |
1393 | TParticle *ancPart = gAlice->GetMCApp()->Particle(ancestor); //get particle info on ancestor |
d594b22e |
1394 | TParticlePDG *ancPdg = ancPart->GetPDG(); |
1395 | Int_t ancCode = ancPart->GetPdgCode(); |
1396 | Double_t ancChg; |
1397 | if (ancCode < 10000) { |
1398 | ancChg = ancPdg->Charge(); |
1399 | } else { |
1400 | ancChg = 0.0; |
1401 | } |
1402 | Float_t vxAnc = ancPart->Vx(); |
1403 | Float_t vyAnc = ancPart->Vy(); |
1404 | Float_t vrAnc = TMath::Sqrt(vxAnc*vxAnc+vyAnc*vyAnc); |
1405 | fTrackList[ancestor] = SetTrackFlag(vrAnc,ancCode,ancChg); |
1406 | ancestor = ancPart->GetFirstMother(); //Get the next ancestor |
1407 | } |
1408 | |
1409 | //Determine the origin point of the primary particle associated with the hit |
5d12ce38 |
1410 | TParticle *primPart = gAlice->GetMCApp()->Particle(idprim); |
d594b22e |
1411 | TParticlePDG *primPdg = primPart->GetPDG(); |
1412 | Int_t primCode = primPart->GetPdgCode(); |
1413 | Double_t primChg; |
1414 | if (primCode < 10000) { |
1415 | primChg = primPdg->Charge(); |
1416 | } else { |
1417 | primChg = 0.0; |
1418 | } |
1419 | Float_t vxPrim = primPart->Vx(); |
1420 | Float_t vyPrim = primPart->Vy(); |
1421 | Float_t vrPrim = TMath::Sqrt(vxPrim*vxPrim+vyPrim*vyPrim); |
1422 | fTrackList[idprim] = SetTrackFlag(vrPrim,primCode,primChg); |
1423 | } // Hit Loop |
1424 | } //if (pEMCAL) |
1425 | } // Track Loop |
1426 | } |
1427 | |
1428 | Int_t AliEMCALJetFinder |
1429 | ::SetTrackFlag(Float_t radius, Int_t code, Double_t charge) { |
3fb730f8 |
1430 | // Set the flag for the track |
ff114de3 |
1431 | Int_t flag = 0; |
1432 | Int_t parton = 0; |
d594b22e |
1433 | Int_t neutral = 0; |
1434 | |
1435 | if (charge == 0) neutral = 1; |
1436 | |
1437 | if (TMath::Abs(code) <= 6 || |
1438 | code == 21 || |
1439 | code == 92) parton = 1; |
1440 | |
1441 | //It's not a parton, it's charged and it went through the TPC |
1442 | if (!parton && !neutral && radius <= 84.0) flag = 1; |
1443 | |
1444 | return flag; |
1445 | } |
1446 | |
ff114de3 |
1447 | |
1448 | |
f6ada3ae |
1449 | void AliEMCALJetFinder::SaveBackgroundEvent(Char_t *name) |
ff114de3 |
1450 | { |
f6ada3ae |
1451 | // Saves the eta-phi lego and the tracklist and name of file with BG events |
ff114de3 |
1452 | // |
b561574c |
1453 | if (fLegoB) { |
1454 | fLegoB->Reset(); |
1455 | (*fLegoB) = (*fLegoB) + (*fLego); |
f6ada3ae |
1456 | // if(fDebug) |
b561574c |
1457 | printf("\n AliEMCALJetFinder::SaveBackgroundEvent() (fLegoB) %f = %f(fLego) \n", |
1458 | fLegoB->Integral(), fLego->Integral()); |
1459 | } |
ff114de3 |
1460 | |
1461 | if (fPtB) delete[] fPtB; |
1462 | if (fEtaB) delete[] fEtaB; |
1463 | if (fPhiB) delete[] fPhiB; |
975127ed |
1464 | if (fPdgB) delete[] fPdgB; |
ff114de3 |
1465 | if (fTrackListB) delete[] fTrackListB; |
1466 | |
1467 | fPtB = new Float_t[fNtS]; |
1468 | fEtaB = new Float_t[fNtS]; |
1469 | fPhiB = new Float_t[fNtS]; |
975127ed |
1470 | fPdgB = new Int_t [fNtS]; |
ff114de3 |
1471 | fTrackListB = new Int_t [fNtS]; |
46955412 |
1472 | |
1473 | fNtB = 0; |
1474 | |
ff114de3 |
1475 | for (Int_t i = 0; i < fNt; i++) { |
1476 | if (!fTrackList[i]) continue; |
610f27c9 |
1477 | fPtB [fNtB] = fPtT [i]; |
1478 | fEtaB[fNtB] = fEtaT[i]; |
1479 | fPhiB[fNtB] = fPhiT[i]; |
975127ed |
1480 | fPdgB[fNtB] = fPdgT[i]; |
46955412 |
1481 | fTrackListB[fNtB] = 1; |
ff114de3 |
1482 | fNtB++; |
1483 | } |
610f27c9 |
1484 | fBackground = 1; |
f6ada3ae |
1485 | printf(" fNtB %i => fNtS %i #particles %i \n", fNtB, fNtS, fNt); |
1486 | |
1487 | if(strlen(name) == 0) { |
1488 | TSeqCollection *li = gROOT->GetListOfFiles(); |
1489 | TString nf; |
1490 | for(Int_t i=0; i<li->GetSize(); i++) { |
1491 | nf = ((TFile*)li->At(i))->GetName(); |
1492 | if(nf.Contains("backgorund")) break; |
1493 | } |
1494 | fBGFileName = nf; |
1495 | } else { |
1496 | fBGFileName = name; |
1497 | } |
1498 | printf("BG file name is \n %s\n", fBGFileName.Data()); |
ff114de3 |
1499 | } |
1500 | |
1501 | void AliEMCALJetFinder::InitFromBackground() |
1502 | { |
1503 | // |
1504 | // |
b561574c |
1505 | if (fDebug) printf("\n AliEMCALJetFinder::InitFromBackground() "); |
46955412 |
1506 | |
b561574c |
1507 | if (fLego) { |
396840bb |
1508 | fLego->Reset(); |
1509 | (*fLego) = (*fLego) + (*fLegoB); |
1510 | if(fDebug) |
f6ada3ae |
1511 | printf("\n AliEMCALJetFinder::InitBackgroundEvent() (fLego) %f = %f(fLegoB) \n", |
396840bb |
1512 | fLego->Integral(), fLegoB->Integral()); |
b561574c |
1513 | } else { |
396840bb |
1514 | printf(" => fLego undefined \n"); |
b561574c |
1515 | } |
ff114de3 |
1516 | } |
1517 | |
ff114de3 |
1518 | |
3bc109a9 |
1519 | void AliEMCALJetFinder::FindTracksInJetCone() |
1520 | { |
1521 | // |
1522 | // Build list of tracks inside jet cone |
1523 | // |
1524 | // Loop over jets |
1525 | Int_t njet = Njets(); |
1526 | for (Int_t nj = 0; nj < njet; nj++) |
1527 | { |
1528 | Float_t etaj = JetEtaW(nj); |
1529 | Float_t phij = JetPhiW(nj); |
1530 | Int_t nT = 0; // number of associated tracks |
1531 | |
ff114de3 |
1532 | // Loop over particles in current event |
3bc109a9 |
1533 | for (Int_t part = 0; part < fNt; part++) { |
1534 | if (!fTrackList[part]) continue; |
1535 | Float_t phi = fPhiT[part]; |
1536 | Float_t eta = fEtaT[part]; |
1537 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + |
1538 | (phij-phi)*(phij-phi)); |
1539 | if (dr < fConeRadius) { |
1540 | fTrackList[part] = nj+2; |
1541 | nT++; |
1542 | } // < ConeRadius ? |
1543 | } // particle loop |
d594b22e |
1544 | |
ff114de3 |
1545 | // Same for background event if available |
1546 | Int_t nTB = 0; |
1547 | if (fBackground) { |
1548 | for (Int_t part = 0; part < fNtB; part++) { |
1549 | Float_t phi = fPhiB[part]; |
1550 | Float_t eta = fEtaB[part]; |
1551 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + |
1552 | (phij-phi)*(phij-phi)); |
610f27c9 |
1553 | fTrackListB[part] = 1; |
1554 | |
ff114de3 |
1555 | if (dr < fConeRadius) { |
610f27c9 |
1556 | fTrackListB[part] = nj+2; |
ff114de3 |
1557 | nTB++; |
1558 | } // < ConeRadius ? |
1559 | } // particle loop |
1560 | } // Background available ? |
1561 | |
1562 | Int_t nT0 = nT + nTB; |
759ae494 |
1563 | printf("Total number of tracks %d\n", nT0); |
ff114de3 |
1564 | |
8eba3b34 |
1565 | if (nT0 > 1000) nT0 = 1000; |
d594b22e |
1566 | |
610f27c9 |
1567 | Float_t* ptT = new Float_t[nT0]; |
1568 | Float_t* etaT = new Float_t[nT0]; |
1569 | Float_t* phiT = new Float_t[nT0]; |
975127ed |
1570 | Int_t* pdgT = new Int_t[nT0]; |
1571 | |
d594b22e |
1572 | Int_t iT = 0; |
1573 | Int_t j; |
1574 | |
3bc109a9 |
1575 | for (Int_t part = 0; part < fNt; part++) { |
1576 | if (fTrackList[part] == nj+2) { |
d594b22e |
1577 | Int_t index = 0; |
1578 | for (j=iT-1; j>=0; j--) { |
1579 | if (fPtT[part] > ptT[j]) { |
1580 | index = j+1; |
1581 | break; |
1582 | } |
1583 | } |
1584 | for (j=iT-1; j>=index; j--) { |
1585 | ptT [j+1] = ptT [j]; |
1586 | etaT[j+1] = etaT[j]; |
1587 | phiT[j+1] = phiT[j]; |
975127ed |
1588 | pdgT[j+1] = pdgT[j]; |
d594b22e |
1589 | } |
1590 | ptT [index] = fPtT [part]; |
1591 | etaT[index] = fEtaT[part]; |
1592 | phiT[index] = fPhiT[part]; |
975127ed |
1593 | pdgT[index] = fPdgT[part]; |
ff114de3 |
1594 | iT++; |
3bc109a9 |
1595 | } // particle associated |
ff114de3 |
1596 | if (iT > nT0) break; |
3bc109a9 |
1597 | } // particle loop |
d594b22e |
1598 | |
ff114de3 |
1599 | if (fBackground) { |
1600 | for (Int_t part = 0; part < fNtB; part++) { |
610f27c9 |
1601 | if (fTrackListB[part] == nj+2) { |
ff114de3 |
1602 | Int_t index = 0; |
1603 | for (j=iT-1; j>=0; j--) { |
1604 | if (fPtB[part] > ptT[j]) { |
1605 | index = j+1; |
610f27c9 |
1606 | |
ff114de3 |
1607 | break; |
1608 | } |
1609 | } |
1610 | for (j=iT-1; j>=index; j--) { |
1611 | ptT [j+1] = ptT [j]; |
1612 | etaT[j+1] = etaT[j]; |
1613 | phiT[j+1] = phiT[j]; |
975127ed |
1614 | pdgT[j+1] = pdgT[j]; |
ff114de3 |
1615 | } |
1616 | ptT [index] = fPtB [part]; |
1617 | etaT[index] = fEtaB[part]; |
1618 | phiT[index] = fPhiB[part]; |
975127ed |
1619 | pdgT[index] = fPdgB[part]; |
ff114de3 |
1620 | iT++; |
1621 | } // particle associated |
1622 | if (iT > nT0) break; |
1623 | } // particle loop |
1624 | } // Background available ? |
1625 | |
975127ed |
1626 | fJetT[nj]->SetTrackList(nT0, ptT, etaT, phiT, pdgT); |
3bc109a9 |
1627 | delete[] ptT; |
1628 | delete[] etaT; |
1629 | delete[] phiT; |
975127ed |
1630 | delete[] pdgT; |
1631 | |
3bc109a9 |
1632 | } // jet loop loop |
1633 | } |
1634 | |
26dadf3a |
1635 | Float_t AliEMCALJetFinder::PropagatePhi(Float_t pt, Float_t charge, Bool_t& curls) |
1636 | { |
1637 | // Propagates phi angle to EMCAL radius |
1638 | // |
b7a73953 |
1639 | static Float_t b = 0.0, rEMCAL = -1.0; |
b7a73953 |
1640 | // Get field in kGS |
7deee4ae |
1641 | b = gAlice->Field()->SolenoidField(); |
b7a73953 |
1642 | // Get EMCAL radius in cm |
02e079d4 |
1643 | rEMCAL = AliEMCALGeometry::GetInstance()->GetIPDistance(); |
1644 | Float_t dPhi = 0.; |
26dadf3a |
1645 | // |
1646 | // |
1647 | // bending radies |
db5026bf |
1648 | // pt [Gev] |
1649 | // B [kG] |
1650 | // |
b7a73953 |
1651 | Float_t rB = 3335.6 * pt / b; // [cm] (case of |charge|=1) |
26dadf3a |
1652 | // |
1653 | // check if particle is curling below EMCAL |
1654 | if (2.*rB < rEMCAL) { |
1655 | curls = kTRUE; |
1656 | return dPhi; |
1657 | } |
1658 | // |
1659 | // if not calculate delta phi |
1660 | Float_t phi = TMath::ACos(1.-rEMCAL*rEMCAL/(2.*rB*rB)); |
1661 | dPhi = TMath::ATan2(1.-TMath::Cos(phi), TMath::Sin(phi)); |
f8f69f71 |
1662 | dPhi = -TMath::Sign(dPhi, charge); |
26dadf3a |
1663 | // |
1664 | return dPhi; |
26dadf3a |
1665 | } |
1666 | |
9e5d2067 |
1667 | void hf1(Int_t& , Float_t& , Float_t& ) |
471f69dc |
1668 | { |
1669 | // dummy for hbook calls |
1670 | ; |
1671 | } |
1672 | |
c44ecd4c |
1673 | void AliEMCALJetFinder::DrawLego(Char_t *opt) |
3fb730f8 |
1674 | { |
1675 | // Draw lego |
1676 | if(fLego) fLego->Draw(opt); |
1677 | } |
f6ada3ae |
1678 | |
dbcb76b4 |
1679 | void AliEMCALJetFinder::DrawLegoBackground(Char_t *opt) |
3fb730f8 |
1680 | { |
1681 | // Draw background lego |
1682 | if(fLegoB) fLegoB->Draw(opt); |
1683 | } |
471f69dc |
1684 | |
c44ecd4c |
1685 | void AliEMCALJetFinder::DrawLegoEMCAL(Char_t *opt) |
3fb730f8 |
1686 | { |
1687 | // Draw EMCAL Lego |
1688 | if(fhLegoEMCAL) fhLegoEMCAL->Draw(opt); |
1689 | } |
d594b22e |
1690 | |
c44ecd4c |
1691 | void AliEMCALJetFinder::DrawHistsForTuning(Int_t mode) |
1692 | { |
3fb730f8 |
1693 | // Draw all hists |
c44ecd4c |
1694 | static TPaveText *varLabel=0; |
1695 | if(!fC1) { |
1696 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); |
1697 | } |
1698 | fC1->Clear(); |
1699 | fC1->Divide(2,2); |
1700 | fC1->cd(1); |
1701 | gPad->SetLogy(1); |
1702 | fhCellEt->Draw(); |
1703 | |
1704 | fC1->cd(2); |
1705 | gPad->SetLogy(1); |
1706 | fhCellEMCALEt->Draw(); |
1707 | |
1708 | fC1->cd(3); |
1709 | gPad->SetLogy(1); |
1710 | fhTrackPt->Draw(); |
1711 | fhTrackPtBcut->SetLineColor(2); |
1712 | fhTrackPtBcut->Draw("same"); |
1713 | |
1714 | fC1->cd(4); |
1715 | if(!varLabel) { |
1716 | PrintParameters(1); |
1717 | varLabel = new TPaveText(0.05,0.5,0.95,0.95,"NDC"); |
1718 | varLabel->SetTextAlign(12); |
1719 | varLabel->SetFillColor(19); // see TAttFill |
1720 | TString tmp(GetTitle()); |
1721 | varLabel->ReadFile(GetFileNameForParameters()); |
1722 | } |
1723 | varLabel->Draw(); |
1724 | fC1->Update(); |
1725 | if(mode) { // for saving picture to the file |
1726 | TString stmp(GetFileNameForParameters()); |
1727 | stmp.ReplaceAll("_Par.txt",".ps"); |
1728 | fC1->Print(stmp.Data()); |
1729 | } |
1730 | } |
d594b22e |
1731 | |
c44ecd4c |
1732 | void AliEMCALJetFinder::PrintParameters(Int_t mode) |
1733 | { |
3fb730f8 |
1734 | // Print all parameters out |
1735 | |
c44ecd4c |
1736 | FILE *file=0; |
1737 | if(mode==0) file = stdout; // output to terminal |
1738 | else { |
1739 | file = fopen(GetFileNameForParameters(),"w"); |
1740 | if(file==0) file = stdout; |
1741 | } |
1742 | fprintf(file,"==== Filling lego ==== \n"); |
f6ada3ae |
1743 | fprintf(file,"Sampling fraction %6.3f ", fSamplingF); |
c44ecd4c |
1744 | fprintf(file,"Smearing %6i ", fSmear); |
1745 | fprintf(file,"Efficiency %6i\n", fEffic); |
1746 | fprintf(file,"Hadr.Correct. %6i ", fHCorrection); |
1747 | fprintf(file,"P_{T} Cut of ch.par. %6.2f\n", fPtCut); |
1748 | fprintf(file,"==== Jet finding ==== \n"); |
1749 | fprintf(file,"Cone radius %6.2f ", fConeRadius); |
1750 | fprintf(file,"Seed E_{T} %6.1f\n", fEtSeed); |
1751 | fprintf(file,"Min E_{T} of cell %6.1f ", fMinCellEt); |
1752 | fprintf(file,"Min E_{T} of jet %6.1f\n", fMinJetEt); |
1753 | if(fMode) { |
1754 | fprintf(file,"==== Bg subtraction ==== \n"); |
1755 | fprintf(file,"BG subtraction %6i ", fMode); |
1756 | fprintf(file,"Min cone move %6.2f\n", fMinMove); |
1757 | fprintf(file,"Max cone move %6.2f ", fMaxMove); |
1758 | fprintf(file,"%% change for BG %6.4f\n", fPrecBg); |
1759 | } else |
1760 | fprintf(file,"==== No Bg subtraction ==== \n"); |
f6ada3ae |
1761 | // |
1762 | printf("BG file name is %s \n", fBGFileName.Data()); |
c44ecd4c |
1763 | if(file != stdout) fclose(file); |
1764 | } |
d594b22e |
1765 | |
c44ecd4c |
1766 | void AliEMCALJetFinder::DrawLegos() |
1767 | { |
3fb730f8 |
1768 | // Draw all legos |
c44ecd4c |
1769 | if(!fC1) { |
1770 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); |
1771 | } |
1772 | fC1->Clear(); |
1773 | fC1->Divide(2,2); |
1774 | gStyle->SetOptStat(111111); |
1775 | |
1776 | Int_t nent1, nent2, nent3, nent4; |
1777 | Double_t int1, int2, int3, int4; |
1778 | nent1 = (Int_t)fLego->GetEntries(); |
1779 | int1 = fLego->Integral(); |
1780 | fC1->cd(1); |
1781 | if(int1) fLego->Draw("lego"); |
1782 | |
1783 | nent2 = (Int_t)fhLegoTracks->GetEntries(); |
1784 | int2 = fhLegoTracks->Integral(); |
1785 | fC1->cd(2); |
1786 | if(int2) fhLegoTracks->Draw("lego"); |
1787 | |
1788 | nent3 = (Int_t)fhLegoEMCAL->GetEntries(); |
1789 | int3 = fhLegoEMCAL->Integral(); |
1790 | fC1->cd(3); |
1791 | if(int3) fhLegoEMCAL->Draw("lego"); |
1792 | |
1793 | nent4 = (Int_t)fhLegoHadrCorr->GetEntries(); |
1794 | int4 = fhLegoHadrCorr->Integral(); |
1795 | fC1->cd(4); |
1796 | if(int4) fhLegoHadrCorr->Draw("lego"); |
1797 | |
1798 | // just for checking |
1799 | printf(" Integrals \n"); |
1800 | printf("lego %10.3f \ntrack %10.3f \nhits %10.3f \nHCorr %10.3f\n-- %10.3f(must be 0)\n", |
1801 | int1, int2, int3, int4, int1 - (int2 + int3 - int4)); |
1802 | } |
d594b22e |
1803 | |
c44ecd4c |
1804 | const Char_t* AliEMCALJetFinder::GetFileNameForParameters(Char_t* dir) |
1805 | { |
3fb730f8 |
1806 | // Get paramters from a file |
c44ecd4c |
1807 | static TString tmp; |
1808 | if(strlen(dir)) tmp = dir; |
1809 | tmp += GetTitle(); |
1810 | tmp += "_Par.txt"; |
1811 | return tmp.Data(); |
1812 | } |
d594b22e |
1813 | |
c44ecd4c |
1814 | void AliEMCALJetFinder::RearrangeParticlesMemory(Int_t npart) |
1815 | { // See FillFromTracks() - npart must be positive |
1816 | if (fTrackList) delete[] fTrackList; |
1817 | if (fPtT) delete[] fPtT; |
1818 | if (fEtaT) delete[] fEtaT; |
1819 | if (fPhiT) delete[] fPhiT; |
975127ed |
1820 | if (fPdgT) delete[] fPdgT; |
c44ecd4c |
1821 | |
1822 | if(npart>0) { |
1823 | fTrackList = new Int_t [npart]; |
1824 | fPtT = new Float_t[npart]; |
1825 | fEtaT = new Float_t[npart]; |
1826 | fPhiT = new Float_t[npart]; |
975127ed |
1827 | fPdgT = new Int_t[npart]; |
c44ecd4c |
1828 | } else { |
1829 | printf("AliEMCALJetFinder::RearrangeParticlesMemory : npart = %d\n", npart); |
1830 | } |
1831 | } |
b561574c |
1832 | |
1833 | Bool_t AliEMCALJetFinder::IsThisPartonsOrDiQuark(Int_t pdg) |
1834 | { |
3fb730f8 |
1835 | // Return quark info |
b561574c |
1836 | Int_t absPdg = TMath::Abs(pdg); |
1837 | if(absPdg<=6) return kTRUE; // quarks |
1838 | if(pdg == 21) return kTRUE; // gluon |
1839 | if(pdg == 92) return kTRUE; // string |
1840 | |
1841 | // see p.51 of Pythia Manual |
1842 | // Not include diquarks with c and b quark - 4-mar-2002 |
1843 | // ud_0,sd_0,su_0; dd_1,ud_1,uu_1; sd_1,su_1,ss_1 |
1844 | static Int_t diquark[9]={2101,3101,3201, 1103,2103,2203, 3103,3203,3303}; |
1845 | for(Int_t i=0; i<9; i++) if(absPdg == diquark[i]) return kTRUE; // diquarks |
1846 | |
1847 | return kFALSE; |
1848 | } |
1849 | |
759ae494 |
1850 | void AliEMCALJetFinder::FindChargedJet() |
1851 | { |
1852 | // |
1853 | // Find jet from charged particle information only |
1854 | // |
1855 | |
1856 | // |
1857 | // Look for seeds |
1858 | // |
1859 | Int_t njets = 0; |
1860 | Int_t part = 0; |
1861 | Int_t nseed = 0; |
1862 | |
1863 | // |
1864 | // |
1865 | ResetJets(); |
1866 | |
1867 | // |
1868 | for (part = 0; part < fNt; part++) { |
1869 | if (!fTrackList[part]) continue; |
1870 | if (fPtT[part] > fEtSeed) nseed++; |
1871 | } |
1872 | printf("\nThere are %d seeds (%d)\n", nseed, fNtS); |
1873 | Int_t* iSeeds = new Int_t[nseed]; |
1874 | nseed = 0; |
1875 | |
1876 | for (part = 0; part < fNt; part++) { |
1877 | if (!fTrackList[part]) continue; |
1878 | if (fPtT[part] > fEtSeed) iSeeds[nseed++] = part; |
1879 | } |
1880 | |
1881 | // |
1882 | // Loop over seeds |
1883 | // |
1884 | Int_t seed = 0; |
1885 | Float_t pt; |
1886 | |
1887 | while(1){ |
1888 | // |
1889 | // Find seed with highest pt |
1890 | // |
1891 | Float_t ptmax = -1.; |
1892 | Int_t index = -1; |
1893 | Int_t jndex = -1; |
1894 | for (seed = 0; seed < nseed; seed++) { |
1895 | if ((pt = fPtT[iSeeds[seed]]) > ptmax && iSeeds[seed] != -1) { |
1896 | ptmax = pt; |
1897 | index = seed; |
1898 | } // ptmax ? |
1899 | } // seeds |
1900 | if (ptmax < 0.) break; |
1901 | jndex = iSeeds[index]; |
1902 | // |
1903 | // Remove from the list |
1904 | iSeeds[index] = -1; |
1905 | printf("\n Next Seed %d %f", jndex, ptmax); |
1906 | // |
1907 | // Find tracks in cone around seed |
1908 | // |
1909 | Float_t phiSeed = fPhiT[jndex]; |
1910 | Float_t etaSeed = fEtaT[jndex]; |
1911 | Float_t eT = 0.; |
1912 | Float_t pxJ = 0.; |
1913 | Float_t pyJ = 0.; |
1914 | Float_t pzJ = 0.; |
1915 | |
1916 | for (part = 0; part < fNt; part++) { |
1917 | if (!fTrackList[part]) continue; |
1918 | Float_t deta = fEtaT[part] - etaSeed; |
1919 | Float_t dphi = fPhiT[part] - phiSeed; |
1920 | Float_t dR = TMath::Sqrt(deta * deta + dphi * dphi); |
1921 | if (dR < fConeRadius) { |
1922 | eT += fPtT[part]; |
1923 | Float_t theta = 2. * TMath::ATan(TMath::Exp(-fEtaT[part])); |
1924 | Float_t px = fPtT[part] * TMath::Cos(fPhiT[part]); |
1925 | Float_t py = fPtT[part] * TMath::Sin(fPhiT[part]); |
1926 | Float_t pz = fPtT[part] / TMath::Tan(theta); |
1927 | pxJ += px; |
1928 | pyJ += py; |
1929 | pzJ += pz; |
1930 | // |
1931 | // if seed, remove it |
1932 | // |
1933 | for (seed = 0; seed < nseed; seed++) { |
1934 | if (part == iSeeds[seed]) iSeeds[seed] = -1; |
1935 | } // seed ? |
1936 | } // < cone radius |
1937 | } // particle loop |
1938 | |
1939 | // |
1940 | // Estimate of jet direction |
1941 | Float_t phiJ = TMath::ATan2(pyJ, pxJ); |
1942 | Float_t thetaJ = TMath::ATan2(TMath::Sqrt(pxJ * pxJ + pyJ * pyJ), pzJ); |
1943 | Float_t etaJ = TMath::Log(TMath::Tan(thetaJ / 2.)); |
8eba3b34 |
1944 | // Float_t ptJ = TMath::Sqrt(pxJ * pxJ + pyJ * pyJ); |
759ae494 |
1945 | |
1946 | // |
1947 | // Sum up all energy |
1948 | // |
1949 | Int_t iPhi0 = Int_t((phiJ - fPhiMin) / fDphi); |
1950 | Int_t iEta0 = Int_t((etaJ - fEtaMin) / fDeta); |
1951 | Int_t dIphi = Int_t(fConeRadius / fDphi); |
1952 | Int_t dIeta = Int_t(fConeRadius / fDeta); |
1953 | Int_t iPhi, iEta; |
1954 | Float_t sumE = 0; |
1955 | for (iPhi = iPhi0 -dIphi; iPhi < iPhi0 + dIphi; iPhi++) { |
1956 | for (iEta = iEta0 - dIeta; iEta < iEta0 + dIeta; iEta++) { |
1957 | if (iPhi < 0 || iEta < 0) continue; |
1958 | Float_t dPhi = fPhiMin + iPhi * fDphi; |
1959 | Float_t dEta = fEtaMin + iEta * fDeta; |
1960 | if (TMath::Sqrt(dPhi * dPhi + dEta * dEta) < fConeRadius) continue; |
1961 | sumE += fLego->GetBinContent(iEta, iPhi); |
1962 | } // eta |
1963 | } // phi |
1964 | // |
1965 | // |
1966 | // |
1967 | fJetT[njets++] = new AliEMCALJet(sumE, phiJ, etaJ); |
1968 | FindTracksInJetCone(); |
1969 | printf("\n Jet Energy %f %f %f %f %d\n", eT, sumE, fPtT[6], fPtT[7], njets); |
1970 | printf("\n Jet Phi %f %f %f \n", phiJ, fPhiT[6], fPhiT[7]); |
1971 | printf("\n Jet Eta %f %f %f \n", etaJ, fEtaT[6], fEtaT[7]); |
1972 | } // while(1) |
1973 | EMCALJETS.njet = njets; |
1974 | if (fWrite) WriteJets(); |
1975 | fEvent++; |
1976 | } |
f6ada3ae |
1977 | // 16-jan-2003 - just for convenience |
1978 | void AliEMCALJetFinder::Browse(TBrowser* b) |
1979 | { |
3fb730f8 |
1980 | // Add to browser |
f6ada3ae |
1981 | if(fHistsList) b->Add((TObject*)fHistsList); |
1982 | } |
1983 | |
1984 | Bool_t AliEMCALJetFinder::IsFolder() const |
1985 | { |
3fb730f8 |
1986 | // Return folder status |
f6ada3ae |
1987 | if(fHistsList) return kTRUE; |
1988 | else return kFALSE; |
1989 | } |
1990 | |
1991 | const Char_t* AliEMCALJetFinder::GetNameOfVariant() |
1992 | {// generate the literal string with info about jet finder |
1993 | Char_t name[200]; |
1994 | sprintf(name, "jF_R%3.2fMinCell%4.1fPtCut%4.1fEtSeed%4.1fMinEt%4.1fBGSubtr%iSF%4.1f", |
1995 | fConeRadius,fMinCellEt,fPtCut,fEtSeed,fMinJetEt, fMode, fSamplingF); |
1996 | TString nt(name); |
1997 | nt.ReplaceAll(" ",""); |
1998 | if(fBGFileName.Length()) { |
1999 | Int_t i1 = fBGFileName.Index("kBackground"); |
2000 | Int_t i2 = fBGFileName.Index("/0000") - 1; |
2001 | if(i1>=0 && i2>=0) { |
2002 | TString bg(fBGFileName(i1,i2-i1+1)); |
2003 | nt += bg; |
2004 | } |
2005 | } |
2006 | printf("<I> Name of variant %s \n", nt.Data()); |
2007 | return nt.Data(); |
2008 | } |