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471f69dc | 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 | ||
d594b22e | 16 | /* |
17 | $Log$ | |
8eba3b34 | 18 | Revision 1.29 2002/11/21 17:01:40 alibrary |
19 | Removing AliMCProcess and AliMC | |
20 | ||
6b677e96 | 21 | Revision 1.28 2002/11/20 14:13:16 morsch |
22 | - FindChargedJets() added. | |
23 | - Destructor corrected. | |
24 | - Geometry cuts taken from AliEMCALGeometry. | |
25 | ||
759ae494 | 26 | Revision 1.27 2002/11/15 17:39:10 morsch |
27 | GetPythiaParticleName removed. | |
28 | ||
e27cda11 | 29 | Revision 1.26 2002/10/14 14:55:35 hristov |
30 | Merging the VirtualMC branch to the main development branch (HEAD) | |
31 | ||
b9d0a01d | 32 | Revision 1.20.4.3 2002/10/10 15:07:49 hristov |
33 | Updating VirtualMC to v3-09-02 | |
34 | ||
35 | Revision 1.25 2002/09/13 10:24:57 morsch | |
36 | idem | |
37 | ||
9b91a677 | 38 | Revision 1.24 2002/09/13 10:21:13 morsch |
39 | No cast to AliMagFCM. | |
40 | ||
a42a0f1a | 41 | Revision 1.23 2002/06/27 09:24:26 morsch |
42 | Uncomment the TH1::AddDirectory statement. | |
43 | ||
396840bb | 44 | Revision 1.22 2002/05/22 13:48:43 morsch |
45 | Pdg code added to track list. | |
46 | ||
975127ed | 47 | Revision 1.21 2002/04/27 07:43:08 morsch |
48 | Calculation of fDphi corrected (Renan Cabrera) | |
49 | ||
6fe407f0 | 50 | Revision 1.20 2002/03/12 01:06:23 pavlinov |
51 | Testin output from generator | |
52 | ||
b561574c | 53 | Revision 1.19 2002/02/27 00:46:33 pavlinov |
54 | Added method FillFromParticles() | |
55 | ||
c44ecd4c | 56 | Revision 1.18 2002/02/21 08:48:59 morsch |
57 | Correction in FillFromHitFlaggedTrack. (Jennifer Klay) | |
58 | ||
ff8fdf97 | 59 | Revision 1.17 2002/02/14 08:52:53 morsch |
60 | Major updates by Aleksei Pavlinov: | |
61 | FillFromPartons, FillFromTracks, jetfinder configuration. | |
62 | ||
b7a73953 | 63 | Revision 1.16 2002/02/08 11:43:05 morsch |
64 | SetOutputFileName(..) allows to specify an output file to which the | |
65 | reconstructed jets are written. If not set output goes to input file. | |
66 | Attention call Init() before processing. | |
67 | ||
08a3fb06 | 68 | Revision 1.15 2002/02/02 08:37:18 morsch |
69 | Formula for rB corrected. | |
70 | ||
db5026bf | 71 | Revision 1.14 2002/02/01 08:55:30 morsch |
72 | Fill map with Et and pT. | |
73 | ||
f719d9b7 | 74 | Revision 1.13 2002/01/31 09:37:36 morsch |
75 | Geometry parameters in constructor and call of SetCellSize() | |
76 | ||
be9787fe | 77 | Revision 1.12 2002/01/23 13:40:23 morsch |
78 | Fastidious debug print statement removed. | |
79 | ||
e4717047 | 80 | Revision 1.11 2002/01/22 17:25:47 morsch |
81 | Some corrections for event mixing and bg event handling. | |
82 | ||
610f27c9 | 83 | Revision 1.10 2002/01/22 10:31:44 morsch |
84 | Some correction for bg mixing. | |
85 | ||
46955412 | 86 | Revision 1.9 2002/01/21 16:28:42 morsch |
87 | Correct sign of dphi. | |
88 | ||
f8f69f71 | 89 | Revision 1.8 2002/01/21 16:05:31 morsch |
90 | - different phi-bin for hadron correction | |
91 | - provisions for background mixing. | |
92 | ||
ff114de3 | 93 | Revision 1.7 2002/01/21 15:47:18 morsch |
94 | Bending radius correctly in cm. | |
95 | ||
b3feface | 96 | Revision 1.6 2002/01/21 12:53:50 morsch |
97 | authors | |
98 | ||
0c207dbc | 99 | Revision 1.5 2002/01/21 12:47:47 morsch |
100 | Possibility to include K0long and neutrons. | |
101 | ||
d53b7b0b | 102 | Revision 1.4 2002/01/21 11:03:21 morsch |
103 | Phi propagation introduced in FillFromTracks. | |
104 | ||
26dadf3a | 105 | Revision 1.3 2002/01/18 05:07:56 morsch |
106 | - hadronic correction | |
107 | - filling of digits | |
108 | - track selection upon EMCAL information | |
109 | ||
d594b22e | 110 | */ |
111 | ||
0c207dbc | 112 | //*-- Authors: Andreas Morsch (CERN) |
113 | //* J.L. Klay (LBL) | |
114 | //* Aleksei Pavlinov (WSU) | |
115 | ||
c44ecd4c | 116 | #include <stdio.h> |
d594b22e | 117 | // From root ... |
b561574c | 118 | #include <TROOT.h> |
471f69dc | 119 | #include <TClonesArray.h> |
120 | #include <TTree.h> | |
d594b22e | 121 | #include <TBranchElement.h> |
471f69dc | 122 | #include <TFile.h> |
c44ecd4c | 123 | #include <TH1.h> |
471f69dc | 124 | #include <TH2.h> |
c44ecd4c | 125 | #include <TArrayF.h> |
126 | #include <TCanvas.h> | |
b561574c | 127 | #include <TList.h> |
c44ecd4c | 128 | #include <TPad.h> |
129 | #include <TPaveText.h> | |
471f69dc | 130 | #include <TAxis.h> |
c44ecd4c | 131 | #include <TStyle.h> |
471f69dc | 132 | #include <TParticle.h> |
133 | #include <TParticlePDG.h> | |
b561574c | 134 | #include <TPythia6Calls.h> |
d594b22e | 135 | |
136 | // From AliRoot ... | |
471f69dc | 137 | #include "AliEMCALJetFinder.h" |
d594b22e | 138 | #include "AliEMCALFast.h" |
471f69dc | 139 | #include "AliEMCALGeometry.h" |
140 | #include "AliEMCALHit.h" | |
d594b22e | 141 | #include "AliEMCALDigit.h" |
142 | #include "AliEMCALDigitizer.h" | |
143 | #include "AliEMCALHadronCorrection.h" | |
b561574c | 144 | #include "AliEMCALJetMicroDst.h" |
471f69dc | 145 | #include "AliRun.h" |
26dadf3a | 146 | #include "AliMagF.h" |
147 | #include "AliMagFCM.h" | |
471f69dc | 148 | #include "AliEMCAL.h" |
149 | #include "AliHeader.h" | |
d53b7b0b | 150 | #include "AliPDG.h" |
471f69dc | 151 | |
ff114de3 | 152 | // Interface to FORTRAN |
153 | #include "Ecommon.h" | |
154 | ||
155 | ||
471f69dc | 156 | ClassImp(AliEMCALJetFinder) |
157 | ||
158 | //____________________________________________________________________________ | |
159 | AliEMCALJetFinder::AliEMCALJetFinder() | |
160 | { | |
161 | // Default constructor | |
d594b22e | 162 | fJets = 0; |
163 | fNjets = 0; | |
164 | fLego = 0; | |
ff114de3 | 165 | fLegoB = 0; |
b561574c | 166 | |
d594b22e | 167 | fTrackList = 0; |
168 | fPtT = 0; | |
169 | fEtaT = 0; | |
170 | fPhiT = 0; | |
975127ed | 171 | fPdgT = 0; |
172 | ||
b561574c | 173 | fTrackListB = 0; |
ff114de3 | 174 | fPtB = 0; |
175 | fEtaB = 0; | |
176 | fPhiB = 0; | |
975127ed | 177 | fPdgB = 0; |
b561574c | 178 | |
b7a73953 | 179 | fHCorrection = 0; |
d594b22e | 180 | fHadronCorrector = 0; |
b7a73953 | 181 | |
c44ecd4c | 182 | fWrite = 0; |
08a3fb06 | 183 | fOutFileName = 0; |
184 | fOutFile = 0; | |
185 | fInFile = 0; | |
186 | fEvent = 0; | |
b7a73953 | 187 | |
188 | SetParametersForBgSubtraction(); | |
471f69dc | 189 | } |
190 | ||
191 | AliEMCALJetFinder::AliEMCALJetFinder(const char* name, const char *title) | |
192 | : TTask(name, title) | |
193 | { | |
194 | // Constructor | |
c44ecd4c | 195 | // Title is used in method GetFileNameForParameters(); |
196 | // | |
471f69dc | 197 | fJets = new TClonesArray("AliEMCALJet",10000); |
198 | fNjets = 0; | |
d594b22e | 199 | for (Int_t i = 0; i < 30000; i++) |
471f69dc | 200 | { |
201 | fEtCell[i] = 0.; | |
202 | fEtaCell[i] = 0.; | |
203 | fPhiCell[i] = 0.; | |
204 | } | |
b561574c | 205 | fLego = 0; |
206 | fLegoB = 0; | |
207 | ||
ff114de3 | 208 | fTrackList = 0; |
209 | fPtT = 0; | |
210 | fEtaT = 0; | |
211 | fPhiT = 0; | |
975127ed | 212 | fPdgT = 0; |
b561574c | 213 | |
214 | fTrackListB = 0; | |
ff114de3 | 215 | fPtB = 0; |
216 | fEtaB = 0; | |
217 | fPhiB = 0; | |
975127ed | 218 | fPdgB = 0; |
b561574c | 219 | |
b7a73953 | 220 | fHCorrection = 0; |
221 | fHadronCorrector = 0; | |
222 | fBackground = 0; | |
c44ecd4c | 223 | fWrite = 0; |
08a3fb06 | 224 | fOutFileName = 0; |
225 | fOutFile = 0; | |
226 | fInFile = 0; | |
227 | fEvent = 0; | |
0c207dbc | 228 | // |
d594b22e | 229 | SetPtCut(); |
230 | SetMomentumSmearing(); | |
231 | SetEfficiencySim(); | |
232 | SetDebug(); | |
233 | SetHadronCorrection(); | |
234 | SetSamplingFraction(); | |
d53b7b0b | 235 | SetIncludeK0andN(); |
471f69dc | 236 | |
b7a73953 | 237 | SetParametersForBgSubtraction(); |
238 | } | |
471f69dc | 239 | |
b7a73953 | 240 | void AliEMCALJetFinder::SetParametersForBgSubtraction |
241 | (Int_t mode, Float_t minMove, Float_t maxMove, Float_t precBg) | |
242 | { | |
243 | // see file /home/pavlinov/cosmic/pythia/jetFinderParamData.inc | |
244 | // at WSU Linux cluster - 11-feb-2002 | |
245 | // These parameters must be tuned more carefull !!! | |
246 | SetMode(mode); | |
247 | SetMinMove(minMove); | |
248 | SetMaxMove(maxMove); | |
249 | SetPrecBg(precBg); | |
250 | } | |
471f69dc | 251 | |
252 | //____________________________________________________________________________ | |
253 | AliEMCALJetFinder::~AliEMCALJetFinder() | |
254 | { | |
255 | // Destructor | |
256 | // | |
257 | if (fJets){ | |
258 | fJets->Delete(); | |
259 | delete fJets; | |
260 | } | |
759ae494 | 261 | delete fLego; |
262 | delete fLegoB; | |
263 | delete fhLegoTracks; | |
264 | delete fhLegoEMCAL; | |
265 | delete fhLegoHadrCorr; | |
266 | delete fhEff; | |
267 | delete fhCellEt; | |
268 | delete fhCellEMCALEt; | |
269 | delete fhTrackPt; | |
270 | delete fhTrackPtBcut; | |
271 | delete fhChPartMultInTpc; | |
272 | ||
273 | delete[] fTrackList; | |
274 | delete[] fPtT; | |
275 | delete[] fEtaT; | |
276 | delete[] fPhiT; | |
277 | delete[] fPdgT; | |
278 | ||
279 | delete[] fTrackListB; | |
280 | delete[] fPtB; | |
281 | delete[] fEtaB; | |
282 | delete[] fPhiB; | |
283 | delete[] fPdgB; | |
471f69dc | 284 | } |
285 | ||
471f69dc | 286 | #ifndef WIN32 |
287 | # define jet_finder_ua1 jet_finder_ua1_ | |
288 | # define hf1 hf1_ | |
289 | # define type_of_call | |
290 | ||
291 | #else | |
975127ed | 292 | # define jet_finder_ua1 JET_FINDER_UA1 |
471f69dc | 293 | # define hf1 HF1 |
294 | # define type_of_call _stdcall | |
295 | #endif | |
296 | ||
297 | extern "C" void type_of_call | |
298 | jet_finder_ua1(Int_t& ncell, Int_t& ncell_tot, | |
299 | Float_t etc[30000], Float_t etac[30000], | |
300 | Float_t phic[30000], | |
301 | Float_t& min_move, Float_t& max_move, Int_t& mode, | |
302 | Float_t& prec_bg, Int_t& ierror); | |
303 | ||
304 | extern "C" void type_of_call hf1(Int_t& id, Float_t& x, Float_t& wgt); | |
975127ed | 305 | |
471f69dc | 306 | |
08a3fb06 | 307 | void AliEMCALJetFinder::Init() |
308 | { | |
309 | // | |
310 | // Geometry and I/O initialization | |
311 | // | |
312 | // | |
313 | // | |
314 | // Get geometry parameters from EMCAL | |
315 | // | |
316 | // | |
317 | // Geometry | |
318 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
319 | AliEMCALGeometry* geom = | |
320 | AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); | |
321 | fNbinEta = geom->GetNZ(); | |
322 | fNbinPhi = geom->GetNPhi(); | |
323 | fPhiMin = geom->GetArm1PhiMin()*TMath::Pi()/180.; | |
324 | fPhiMax = geom->GetArm1PhiMax()*TMath::Pi()/180.; | |
325 | fEtaMin = geom->GetArm1EtaMin(); | |
326 | fEtaMax = geom->GetArm1EtaMax(); | |
6fe407f0 | 327 | fDphi = (fPhiMax-fPhiMin)/fNbinPhi; |
08a3fb06 | 328 | fDeta = (fEtaMax-fEtaMin)/fNbinEta; |
329 | fNtot = fNbinPhi*fNbinEta; | |
330 | // | |
331 | SetCellSize(fDeta, fDphi); | |
332 | // | |
333 | // I/O | |
334 | if (fOutFileName) fOutFile = new TFile(fOutFileName, "recreate"); | |
335 | } | |
471f69dc | 336 | |
337 | void AliEMCALJetFinder::Find(Int_t ncell, Int_t ncell_tot, Float_t etc[30000], | |
338 | Float_t etac[30000], Float_t phic[30000], | |
339 | Float_t min_move, Float_t max_move, Int_t mode, | |
340 | Float_t prec_bg, Int_t ierror) | |
341 | { | |
342 | // Wrapper for fortran coded jet finder | |
343 | // Full argument list | |
344 | jet_finder_ua1(ncell, ncell_tot, etc, etac, phic, | |
345 | min_move, max_move, mode, prec_bg, ierror); | |
346 | // Write result to output | |
b7a73953 | 347 | if(fWrite) WriteJets(); |
348 | fEvent++; | |
471f69dc | 349 | } |
350 | ||
351 | void AliEMCALJetFinder::Find() | |
352 | { | |
353 | // Wrapper for fortran coded jet finder using member data for | |
354 | // argument list | |
355 | ||
b7a73953 | 356 | Float_t min_move = fMinMove; |
357 | Float_t max_move = fMaxMove; | |
358 | Int_t mode = fMode; | |
359 | Float_t prec_bg = fPrecBg; | |
360 | Int_t ierror; | |
361 | ||
362 | ResetJets(); // 4-feb-2002 by PAI | |
471f69dc | 363 | |
364 | jet_finder_ua1(fNcell, fNtot, fEtCell, fEtaCell, fPhiCell, | |
365 | min_move, max_move, mode, prec_bg, ierror); | |
b7a73953 | 366 | fError = ierror; |
471f69dc | 367 | // Write result to output |
3bc109a9 | 368 | Int_t njet = Njets(); |
d594b22e | 369 | |
3bc109a9 | 370 | for (Int_t nj=0; nj<njet; nj++) |
371 | { | |
d594b22e | 372 | |
3bc109a9 | 373 | fJetT[nj] = new AliEMCALJet(JetEnergy(nj), |
374 | JetPhiW(nj), | |
375 | JetEtaW(nj)); | |
376 | } | |
b7a73953 | 377 | |
c44ecd4c | 378 | FindTracksInJetCone(); |
b7a73953 | 379 | if(fWrite) WriteJets(); |
08a3fb06 | 380 | fEvent++; |
471f69dc | 381 | } |
382 | ||
471f69dc | 383 | Int_t AliEMCALJetFinder::Njets() |
384 | { | |
385 | // Get number of reconstructed jets | |
386 | return EMCALJETS.njet; | |
387 | } | |
388 | ||
389 | Float_t AliEMCALJetFinder::JetEnergy(Int_t i) | |
390 | { | |
391 | // Get reconstructed jet energy | |
392 | return EMCALJETS.etj[i]; | |
393 | } | |
394 | ||
395 | Float_t AliEMCALJetFinder::JetPhiL(Int_t i) | |
396 | { | |
397 | // Get reconstructed jet phi from leading particle | |
398 | return EMCALJETS.phij[0][i]; | |
399 | } | |
400 | ||
401 | Float_t AliEMCALJetFinder::JetPhiW(Int_t i) | |
402 | { | |
403 | // Get reconstructed jet phi from weighting | |
404 | return EMCALJETS.phij[1][i]; | |
405 | } | |
406 | ||
407 | Float_t AliEMCALJetFinder::JetEtaL(Int_t i) | |
408 | { | |
409 | // Get reconstructed jet eta from leading particles | |
410 | return EMCALJETS.etaj[0][i]; | |
411 | } | |
412 | ||
413 | ||
414 | Float_t AliEMCALJetFinder::JetEtaW(Int_t i) | |
415 | { | |
416 | // Get reconstructed jet eta from weighting | |
417 | return EMCALJETS.etaj[1][i]; | |
418 | } | |
419 | ||
420 | void AliEMCALJetFinder::SetCellSize(Float_t eta, Float_t phi) | |
421 | { | |
422 | // Set grid cell size | |
423 | EMCALCELLGEO.etaCellSize = eta; | |
424 | EMCALCELLGEO.phiCellSize = phi; | |
425 | } | |
426 | ||
427 | void AliEMCALJetFinder::SetConeRadius(Float_t par) | |
428 | { | |
429 | // Set jet cone radius | |
430 | EMCALJETPARAM.coneRad = par; | |
3bc109a9 | 431 | fConeRadius = par; |
471f69dc | 432 | } |
433 | ||
434 | void AliEMCALJetFinder::SetEtSeed(Float_t par) | |
435 | { | |
436 | // Set et cut for seeds | |
437 | EMCALJETPARAM.etSeed = par; | |
d594b22e | 438 | fEtSeed = par; |
471f69dc | 439 | } |
440 | ||
441 | void AliEMCALJetFinder::SetMinJetEt(Float_t par) | |
442 | { | |
443 | // Set minimum jet et | |
444 | EMCALJETPARAM.ejMin = par; | |
d594b22e | 445 | fMinJetEt = par; |
471f69dc | 446 | } |
447 | ||
448 | void AliEMCALJetFinder::SetMinCellEt(Float_t par) | |
449 | { | |
450 | // Set et cut per cell | |
451 | EMCALJETPARAM.etMin = par; | |
d594b22e | 452 | fMinCellEt = par; |
471f69dc | 453 | } |
454 | ||
3bc109a9 | 455 | void AliEMCALJetFinder::SetPtCut(Float_t par) |
456 | { | |
457 | // Set pT cut on charged tracks | |
458 | fPtCut = par; | |
459 | } | |
460 | ||
471f69dc | 461 | |
462 | void AliEMCALJetFinder::Test() | |
463 | { | |
464 | // | |
465 | // Test the finder call | |
466 | // | |
467 | const Int_t nmax = 30000; | |
468 | Int_t ncell = 10; | |
469 | Int_t ncell_tot = 100; | |
470 | ||
471 | Float_t etc[nmax]; | |
472 | Float_t etac[nmax]; | |
473 | Float_t phic[nmax]; | |
474 | Float_t min_move = 0; | |
475 | Float_t max_move = 0; | |
476 | Int_t mode = 0; | |
477 | Float_t prec_bg = 0; | |
478 | Int_t ierror = 0; | |
479 | ||
480 | ||
481 | Find(ncell, ncell_tot, etc, etac, phic, | |
482 | min_move, max_move, mode, prec_bg, ierror); | |
483 | ||
484 | } | |
485 | ||
486 | // | |
487 | // I/O | |
488 | // | |
489 | ||
490 | void AliEMCALJetFinder::AddJet(const AliEMCALJet& jet) | |
491 | { | |
492 | // | |
493 | // Add a jet | |
494 | // | |
495 | TClonesArray &lrawcl = *fJets; | |
496 | new(lrawcl[fNjets++]) AliEMCALJet(jet); | |
497 | } | |
498 | ||
499 | void AliEMCALJetFinder::ResetJets() | |
500 | { | |
501 | // | |
502 | // Reset Jet List | |
503 | // | |
504 | fJets->Clear(); | |
505 | fNjets = 0; | |
506 | } | |
507 | ||
508 | void AliEMCALJetFinder::WriteJets() | |
509 | { | |
510 | // | |
511 | // Add all jets to the list | |
512 | // | |
513 | const Int_t kBufferSize = 4000; | |
08a3fb06 | 514 | const char* file = 0; |
515 | ||
471f69dc | 516 | Int_t njet = Njets(); |
08a3fb06 | 517 | |
3bc109a9 | 518 | for (Int_t nj = 0; nj < njet; nj++) |
471f69dc | 519 | { |
3bc109a9 | 520 | AddJet(*fJetT[nj]); |
521 | delete fJetT[nj]; | |
471f69dc | 522 | } |
3bc109a9 | 523 | |
08a3fb06 | 524 | // I/O |
525 | if (!fOutFileName) { | |
526 | // | |
527 | // output written to input file | |
528 | // | |
529 | AliEMCAL* pEMCAL = (AliEMCAL* )gAlice->GetModule("EMCAL"); | |
530 | TTree* pK = gAlice->TreeK(); | |
531 | file = (pK->GetCurrentFile())->GetName(); | |
532 | if (fDebug > 1) | |
533 | printf("Make Branch - TreeR address %p %p\n",gAlice->TreeR(), pEMCAL); | |
534 | if (fJets && gAlice->TreeR()) { | |
535 | pEMCAL->MakeBranchInTree(gAlice->TreeR(), | |
536 | "EMCALJets", | |
537 | &fJets, | |
538 | kBufferSize, | |
539 | file); | |
540 | } | |
541 | Int_t nev = gAlice->GetHeader()->GetEvent(); | |
542 | gAlice->TreeR()->Fill(); | |
543 | char hname[30]; | |
544 | sprintf(hname,"TreeR%d", nev); | |
545 | gAlice->TreeR()->Write(hname); | |
546 | gAlice->TreeR()->Reset(); | |
547 | } else { | |
548 | // | |
549 | // Output written to user specified output file | |
550 | // | |
551 | TTree* pK = gAlice->TreeK(); | |
552 | fInFile = pK->GetCurrentFile(); | |
553 | ||
554 | fOutFile->cd(); | |
555 | char hname[30]; | |
556 | sprintf(hname,"TreeR%d", fEvent); | |
557 | TTree* treeJ = new TTree(hname, "EMCALJets"); | |
558 | treeJ->Branch("EMCALJets", &fJets, kBufferSize); | |
559 | treeJ->Fill(); | |
560 | treeJ->Write(hname); | |
561 | fInFile->cd(); | |
562 | } | |
471f69dc | 563 | ResetJets(); |
564 | } | |
565 | ||
566 | void AliEMCALJetFinder::BookLego() | |
567 | { | |
568 | // | |
569 | // Book histo for discretisation | |
570 | // | |
be9787fe | 571 | |
610f27c9 | 572 | // |
573 | // Don't add histos to the current directory | |
b561574c | 574 | if(fDebug) printf("\n AliEMCALJetFinder::BookLego() \n"); |
575 | ||
396840bb | 576 | TH2::AddDirectory(0); |
577 | TH1::AddDirectory(0); | |
b561574c | 578 | gROOT->cd(); |
471f69dc | 579 | // |
46955412 | 580 | // Signal map |
471f69dc | 581 | fLego = new TH2F("legoH","eta-phi", |
be9787fe | 582 | fNbinEta, fEtaMin, fEtaMax, |
583 | fNbinPhi, fPhiMin, fPhiMax); | |
46955412 | 584 | // |
585 | // Background map | |
b561574c | 586 | fLegoB = new TH2F("legoB","eta-phi for BG event", |
be9787fe | 587 | fNbinEta, fEtaMin, fEtaMax, |
588 | fNbinPhi, fPhiMin, fPhiMax); | |
c44ecd4c | 589 | |
590 | // Tracks map | |
591 | fhLegoTracks = new TH2F("hLegoTracks","eta-phi for Tracks", | |
592 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); | |
593 | // EMCAL map | |
594 | fhLegoEMCAL = new TH2F("hLegoEMCAL","eta-phi for EMCAL", | |
595 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); | |
596 | // Hadron correction map | |
597 | fhLegoHadrCorr = new TH2F("hLegoHadrCorr","eta-phi for Hadron. Correction", | |
598 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); | |
599 | // Hists. for tuning jet finder | |
600 | fhEff = new TH2F("hEff","#epsilon vs momentum ", 100,0.,20., 50,0.5,1.); | |
601 | ||
602 | TArrayF eTmp(1101); | |
603 | eTmp[0] = 0.0; | |
604 | for(Int_t i=1; i<=1000; i++) eTmp[i] = 0.1*i; // step 100 mev | |
605 | for(Int_t i=1001; i<=1100; i++) eTmp[i] = eTmp[1000] + 1.0*(i-1000); // step 1GeV | |
606 | ||
607 | fhCellEt = new TH1F("hCellEt","Cell E_{T} from fLego", | |
608 | eTmp.GetSize()-1, eTmp.GetArray()); | |
609 | fhCellEMCALEt = new TH1F("hCellEMCALEt","Cell E_{T} for EMCAL itself", | |
610 | eTmp.GetSize()-1, eTmp.GetArray()); | |
611 | fhTrackPt = new TH1F("hTrackPt","Ch.particles P_{T} ", | |
612 | eTmp.GetSize()-1, eTmp.GetArray()); | |
613 | fhTrackPtBcut = new TH1F("hTrackPtBcut","Ch.particles P_{T} + magnetic field cut", | |
614 | eTmp.GetSize()-1, eTmp.GetArray()); | |
b561574c | 615 | |
616 | fhChPartMultInTpc = new TH1F("hChPartMultInTpc", | |
617 | "Charge partilcle multiplicity in |%eta|<0.9", 2000, 0, 20000); | |
618 | ||
619 | //! first canvas for drawing | |
620 | fHistsList=AliEMCALJetMicroDst::MoveHistsToList("Hists from AliEMCALJetFinder", kTRUE); | |
471f69dc | 621 | } |
622 | ||
623 | void AliEMCALJetFinder::DumpLego() | |
624 | { | |
625 | // | |
626 | // Dump lego histo into array | |
627 | // | |
628 | fNcell = 0; | |
b7a73953 | 629 | TAxis* Xaxis = fLego->GetXaxis(); |
630 | TAxis* Yaxis = fLego->GetYaxis(); | |
c44ecd4c | 631 | // fhCellEt->Clear(); |
632 | Float_t e, eH; | |
633 | for (Int_t i = 1; i <= fNbinEta; i++) { | |
634 | for (Int_t j = 1; j <= fNbinPhi; j++) { | |
635 | e = fLego->GetBinContent(i,j); | |
636 | if (e > 0.0) { | |
637 | Float_t eta = Xaxis->GetBinCenter(i); | |
638 | Float_t phi = Yaxis->GetBinCenter(j); | |
639 | fEtCell[fNcell] = e; | |
640 | fEtaCell[fNcell] = eta; | |
641 | fPhiCell[fNcell] = phi; | |
642 | fNcell++; | |
643 | fhCellEt->Fill(e); | |
644 | } | |
645 | if(fhLegoEMCAL) { | |
646 | eH = fhLegoEMCAL->GetBinContent(i,j); | |
647 | if(eH > 0.0) fhCellEMCALEt->Fill(eH); | |
648 | } | |
471f69dc | 649 | } // phi |
650 | } // eta | |
651 | fNcell--; | |
652 | } | |
653 | ||
654 | void AliEMCALJetFinder::ResetMap() | |
655 | { | |
656 | // | |
657 | // Reset eta-phi array | |
658 | ||
659 | for (Int_t i=0; i<30000; i++) | |
660 | { | |
661 | fEtCell[i] = 0.; | |
662 | fEtaCell[i] = 0.; | |
663 | fPhiCell[i] = 0.; | |
664 | } | |
665 | } | |
666 | ||
667 | ||
668 | void AliEMCALJetFinder::FillFromTracks(Int_t flag, Int_t ich) | |
669 | { | |
670 | // | |
d594b22e | 671 | // Fill Cells with track information |
471f69dc | 672 | // |
b7a73953 | 673 | if (fDebug >= 2) |
674 | printf("\n AliEMCALJetFinder::FillFromTracks(%i,%i) ",flag,ich); | |
b561574c | 675 | fNChTpc = 0; |
b7a73953 | 676 | |
471f69dc | 677 | ResetMap(); |
678 | ||
679 | if (!fLego) BookLego(); | |
680 | // Reset | |
681 | if (flag == 0) fLego->Reset(); | |
682 | // | |
683 | // Access particle information | |
684 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
b561574c | 685 | Int_t ntr = (gAlice->GetHeader())->GetNtrack(); |
686 | printf(" : #primary particles %i # tracks %i \n", npart, ntr); | |
b7a73953 | 687 | |
3bc109a9 | 688 | // Create track list |
689 | // | |
690 | // 0: not selected | |
691 | // 1: selected for jet finding | |
692 | // 2: inside jet | |
693 | // .... | |
694 | if (fTrackList) delete[] fTrackList; | |
695 | if (fPtT) delete[] fPtT; | |
696 | if (fEtaT) delete[] fEtaT; | |
697 | if (fPhiT) delete[] fPhiT; | |
975127ed | 698 | if (fPdgT) delete[] fPdgT; |
3bc109a9 | 699 | |
700 | fTrackList = new Int_t [npart]; | |
701 | fPtT = new Float_t[npart]; | |
702 | fEtaT = new Float_t[npart]; | |
703 | fPhiT = new Float_t[npart]; | |
975127ed | 704 | fPdgT = new Int_t[npart]; |
ff114de3 | 705 | |
b561574c | 706 | fNt = npart; |
ff114de3 | 707 | fNtS = 0; |
b7a73953 | 708 | Float_t chTmp=0.0; // charge of current particle |
b561574c | 709 | // Int_t idGeant; |
ff114de3 | 710 | |
b561574c | 711 | // this is for Pythia ?? |
c44ecd4c | 712 | for (Int_t part = 0; part < npart; part++) { |
471f69dc | 713 | TParticle *MPart = gAlice->Particle(part); |
714 | Int_t mpart = MPart->GetPdgCode(); | |
715 | Int_t child1 = MPart->GetFirstDaughter(); | |
716 | Float_t pT = MPart->Pt(); | |
d594b22e | 717 | Float_t p = MPart->P(); |
471f69dc | 718 | Float_t phi = MPart->Phi(); |
c44ecd4c | 719 | Float_t eta = -100.; |
720 | if(pT > 0.001) eta = MPart->Eta(); | |
b7a73953 | 721 | Float_t theta = MPart->Theta(); |
b561574c | 722 | if (fDebug>=2) { |
723 | printf("ind %7i part %7i -> child1 %5i child2 %5i Status %5i\n", | |
724 | part, mpart, child1, MPart->GetLastDaughter(), MPart->GetStatusCode()); | |
725 | } | |
46955412 | 726 | |
b561574c | 727 | if (fDebug >= 2) { |
d594b22e | 728 | if (part == 6 || part == 7) |
729 | { | |
610f27c9 | 730 | printf("\n Simulated Jet (pt, eta, phi): %d %f %f %f\n", |
d594b22e | 731 | part-5, pT, eta, phi); |
732 | } | |
733 | ||
734 | // if (mpart == 21) | |
735 | ||
736 | // printf("\n Simulated Jet (pt, eta, phi): %d %d %f %f %f", | |
737 | // part, mpart, pT, eta, phi); | |
738 | } | |
739 | ||
b7a73953 | 740 | fTrackList[part] = 0; |
741 | fPtT[part] = pT; // must be change after correction for resolution !!! | |
3bc109a9 | 742 | fEtaT[part] = eta; |
743 | fPhiT[part] = phi; | |
975127ed | 744 | fPdgT[part] = mpart; |
745 | ||
3bc109a9 | 746 | |
747 | if (part < 2) continue; | |
b7a73953 | 748 | |
749 | // move to fLego->Fill because hadron correction must apply | |
750 | // if particle hit to EMCAL - 11-feb-2002 | |
751 | // if (pT == 0 || pT < fPtCut) continue; | |
26dadf3a | 752 | TParticlePDG* pdgP = 0; |
471f69dc | 753 | // charged or neutral |
b7a73953 | 754 | pdgP = MPart->GetPDG(); |
755 | chTmp = pdgP->Charge() / 3.; // 13-feb-2001!! | |
759ae494 | 756 | |
471f69dc | 757 | if (ich == 0) { |
b7a73953 | 758 | if (chTmp == 0) { |
759 | if (!fK0N) { | |
d53b7b0b | 760 | continue; |
761 | } else { | |
762 | if (mpart != kNeutron && | |
763 | mpart != kNeutronBar && | |
764 | mpart != kK0Long) continue; | |
765 | } | |
766 | } | |
b7a73953 | 767 | } |
759ae494 | 768 | |
471f69dc | 769 | // skip partons |
770 | if (TMath::Abs(mpart) <= 6 || | |
771 | mpart == 21 || | |
772 | mpart == 92) continue; | |
b561574c | 773 | |
774 | if (TMath::Abs(eta)<=0.9) fNChTpc++; | |
775 | // final state only | |
776 | if (child1 >= 0 && child1 < npart) continue; | |
471f69dc | 777 | // acceptance cut |
759ae494 | 778 | if (eta > fEtaMax || eta < fEtaMin) continue; |
779 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
d594b22e | 780 | // |
b561574c | 781 | if (fDebug >= 3) |
b7a73953 | 782 | printf("\n=>nsel:%5d mpart %5d child1 %5d eta %6.2f phi %6.2f pT %6.2f ch %3.0f ", |
783 | part, mpart, child1, eta, phi, pT, chTmp); | |
26dadf3a | 784 | // |
26dadf3a | 785 | // |
d594b22e | 786 | // Momentum smearing goes here ... |
787 | // | |
c44ecd4c | 788 | fhTrackPt->Fill(pT); |
b7a73953 | 789 | Float_t pw; |
790 | if (fSmear && TMath::Abs(chTmp)) { | |
791 | pw = AliEMCALFast::SmearMomentum(1,p); | |
792 | // p changed - take into account when calculate pT, | |
793 | // pz and so on .. ? | |
794 | pT = (pw/p) * pT; | |
b561574c | 795 | if(fDebug >= 4) printf("\n Smearing : p %8.4f change to %8.4f ", p, pw); |
b7a73953 | 796 | p = pw; |
d594b22e | 797 | } |
798 | // | |
799 | // Tracking Efficiency and TPC acceptance goes here ... | |
c44ecd4c | 800 | Float_t eff; |
b7a73953 | 801 | if (fEffic && TMath::Abs(chTmp)) { |
c44ecd4c | 802 | // eff = AliEMCALFast::Efficiency(1,p); |
803 | eff = 0.95; // for testing 25-feb-2002 | |
804 | if(fhEff) fhEff->Fill(p, eff); | |
b7a73953 | 805 | if (AliEMCALFast::RandomReject(eff)) { |
b561574c | 806 | if(fDebug >= 5) printf(" reject due to unefficiency "); |
b7a73953 | 807 | continue; |
808 | } | |
d594b22e | 809 | } |
810 | // | |
811 | // Correction of Hadronic Energy goes here ... | |
812 | // | |
b7a73953 | 813 | // |
814 | // phi propagation for hadronic correction | |
815 | ||
816 | Bool_t curls = kFALSE; // hit two the EMCAL (no curl) | |
c44ecd4c | 817 | Float_t phiHC=0.0, dpH=0.0, dphi=0.0, eTdpH=0; |
b7a73953 | 818 | if(TMath::Abs(chTmp)) { |
819 | // hadr. correction only for charge particle | |
820 | dphi = PropagatePhi(pT, chTmp, curls); | |
821 | phiHC = phi + dphi; | |
b561574c | 822 | if (fDebug >= 6) { |
b7a73953 | 823 | printf("\n Delta phi %f pT %f ", dphi, pT); |
824 | if (curls) printf("\n !! Track is curling"); | |
825 | } | |
c44ecd4c | 826 | if(!curls) fhTrackPtBcut->Fill(pT); |
ff114de3 | 827 | |
b7a73953 | 828 | if (fHCorrection && !curls) { |
829 | if (!fHadronCorrector) | |
830 | Fatal("AliEMCALJetFinder", | |
d594b22e | 831 | "Hadronic energy correction required but not defined !"); |
b7a73953 | 832 | |
c44ecd4c | 833 | dpH = fHadronCorrector->GetEnergy(p, eta, 7); |
834 | eTdpH = dpH*TMath::Sin(theta); | |
b7a73953 | 835 | |
b561574c | 836 | if (fDebug >= 7) printf(" phi %f phiHC %f eTcorr %f\n", |
c44ecd4c | 837 | phi, phiHC, -eTdpH); // correction is negative |
838 | fLego->Fill(eta, phiHC, -eTdpH); | |
839 | fhLegoHadrCorr->Fill(eta, phiHC, eTdpH); | |
b7a73953 | 840 | } |
841 | } | |
d594b22e | 842 | // |
843 | // More to do ? Just think about it ! | |
844 | // | |
759ae494 | 845 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
b7a73953 | 846 | |
847 | if(TMath::Abs(chTmp) ) { // charge particle | |
848 | if (pT > fPtCut && !curls) { | |
759ae494 | 849 | if (fDebug >= 8) printf("Charge : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", |
850 | eta , phi, pT, fNtS); | |
b7a73953 | 851 | fLego->Fill(eta, phi, pT); |
c44ecd4c | 852 | fhLegoTracks->Fill(eta, phi, pT); // 20-feb for checking |
b7a73953 | 853 | fTrackList[part] = 1; |
854 | fNtS++; | |
855 | } | |
c44ecd4c | 856 | } else if(ich==0 && fK0N) { |
b7a73953 | 857 | // case of n, nbar and K0L |
759ae494 | 858 | if (fDebug >= 9) printf("Neutral : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", |
859 | eta , phi, pT, fNtS); | |
b7a73953 | 860 | fLego->Fill(eta, phi, pT); |
861 | fTrackList[part] = 1; | |
862 | fNtS++; | |
863 | } | |
864 | ||
c44ecd4c | 865 | } // primary loop |
471f69dc | 866 | DumpLego(); |
867 | } | |
868 | ||
869 | void AliEMCALJetFinder::FillFromHits(Int_t flag) | |
870 | { | |
871 | // | |
d594b22e | 872 | // Fill Cells with hit information |
471f69dc | 873 | // |
874 | // | |
b7a73953 | 875 | if (fDebug >= 2) |
876 | printf("\n AliEMCALJetFinder::FillFromHits(%i)\n",flag); | |
877 | ||
471f69dc | 878 | ResetMap(); |
879 | ||
880 | if (!fLego) BookLego(); | |
c44ecd4c | 881 | // Reset eta-phi maps if needed |
882 | if (flag == 0) { // default behavior | |
883 | fLego->Reset(); | |
884 | fhLegoTracks->Reset(); | |
885 | fhLegoEMCAL->Reset(); | |
886 | fhLegoHadrCorr->Reset(); | |
887 | } | |
ff114de3 | 888 | // Initialize from background event if available |
471f69dc | 889 | // |
890 | // Access hit information | |
891 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
471f69dc | 892 | TTree *treeH = gAlice->TreeH(); |
893 | Int_t ntracks = (Int_t) treeH->GetEntries(); | |
894 | // | |
895 | // Loop over tracks | |
896 | // | |
897 | Int_t nbytes = 0; | |
c44ecd4c | 898 | Double_t etH = 0.0; |
471f69dc | 899 | |
471f69dc | 900 | for (Int_t track=0; track<ntracks;track++) { |
901 | gAlice->ResetHits(); | |
902 | nbytes += treeH->GetEvent(track); | |
903 | // | |
904 | // Loop over hits | |
905 | // | |
906 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); | |
907 | mHit; | |
908 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) | |
909 | { | |
910 | Float_t x = mHit->X(); // x-pos of hit | |
911 | Float_t y = mHit->Y(); // y-pos | |
912 | Float_t z = mHit->Z(); // z-pos | |
913 | Float_t eloss = mHit->GetEnergy(); // deposited energy | |
d594b22e | 914 | |
915 | Float_t r = TMath::Sqrt(x*x+y*y); | |
916 | Float_t theta = TMath::ATan2(r,z); | |
917 | Float_t eta = -TMath::Log(TMath::Tan(theta/2.)); | |
918 | Float_t phi = TMath::ATan2(y,x); | |
610f27c9 | 919 | |
b7a73953 | 920 | if (fDebug >= 11) printf("\n Hit %f %f %f %f", x, y, z, eloss); |
759ae494 | 921 | // printf("\n Hit %f %f %f %f", x, y, z, eloss); |
610f27c9 | 922 | |
c44ecd4c | 923 | etH = fSamplingF*eloss*TMath::Sin(theta); |
924 | fLego->Fill(eta, phi, etH); | |
925 | // fhLegoEMCAL->Fill(eta, phi, etH); | |
471f69dc | 926 | } // Hit Loop |
927 | } // Track Loop | |
c44ecd4c | 928 | // copy content of fLego to fhLegoEMCAL (fLego and fhLegoEMCAL are identical) |
929 | for(Int_t i=0; i<fLego->GetSize(); i++) (*fhLegoEMCAL)[i] = (*fLego)[i]; | |
930 | // DumpLego(); ?? | |
471f69dc | 931 | } |
932 | ||
d594b22e | 933 | void AliEMCALJetFinder::FillFromDigits(Int_t flag) |
934 | { | |
935 | // | |
936 | // Fill Cells with digit information | |
937 | // | |
938 | // | |
939 | ResetMap(); | |
940 | ||
941 | if (!fLego) BookLego(); | |
942 | if (flag == 0) fLego->Reset(); | |
943 | Int_t nbytes; | |
944 | ||
945 | ||
946 | // | |
947 | // Connect digits | |
948 | // | |
949 | TClonesArray* digs = new TClonesArray("AliEMCALDigit", 10000); | |
950 | TTree *treeD = gAlice->TreeD(); | |
951 | TBranchElement* branchDg = (TBranchElement*) | |
952 | treeD->GetBranch("EMCAL"); | |
953 | ||
954 | if (!branchDg) Fatal("AliEMCALJetFinder", | |
955 | "Reading digits requested but no digits in file !"); | |
956 | ||
957 | branchDg->SetAddress(&digs); | |
958 | Int_t nent = (Int_t) branchDg->GetEntries(); | |
959 | // | |
960 | // Connect digitizer | |
961 | // | |
962 | AliEMCALDigitizer* digr = new AliEMCALDigitizer(); | |
963 | TBranchElement* branchDr = (TBranchElement*) | |
964 | treeD->GetBranch("AliEMCALDigitizer"); | |
965 | branchDr->SetAddress(&digr); | |
966 | // | |
967 | // | |
968 | nbytes += branchDg->GetEntry(0); | |
969 | nbytes += branchDr->GetEntry(0); | |
970 | // | |
971 | // Get digitizer parameters | |
972 | Float_t towerADCped = digr->GetTowerpedestal(); | |
973 | Float_t towerADCcha = digr->GetTowerchannel(); | |
974 | Float_t preshoADCped = digr->GetPreShopedestal(); | |
975 | Float_t preshoADCcha = digr->GetPreShochannel(); | |
976 | ||
977 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
978 | AliEMCALGeometry* geom = | |
979 | AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); | |
980 | ||
981 | if (fDebug) { | |
982 | Int_t ndig = digs->GetEntries(); | |
983 | printf("\n Number of Digits: %d %d\n", ndig, nent); | |
984 | printf("\n Parameters: %f %f %f %f\n", | |
985 | towerADCped, towerADCcha, preshoADCped, preshoADCcha ); | |
986 | printf("\n Geometry: %d %d\n", geom->GetNEta(), geom->GetNPhi()); | |
987 | } | |
988 | ||
989 | // | |
990 | // Loop over digits | |
991 | AliEMCALDigit* sdg; | |
992 | TIter next(digs); | |
993 | while ((sdg = (AliEMCALDigit*)(next()))) | |
994 | { | |
995 | Double_t pedestal; | |
996 | Double_t channel; | |
997 | if (sdg->GetId() > (geom->GetNZ() * geom->GetNPhi())) | |
998 | { | |
999 | pedestal = preshoADCped; | |
1000 | channel = preshoADCcha; | |
1001 | } else { | |
1002 | pedestal = towerADCped; | |
1003 | channel = towerADCcha; | |
1004 | } | |
1005 | ||
1006 | Float_t eta = sdg->GetEta(); | |
1007 | Float_t phi = sdg->GetPhi() * TMath::Pi()/180.; | |
1008 | Float_t amp = (Float_t) (channel*(sdg->GetAmp())-pedestal); | |
1009 | ||
1010 | if (fDebug > 1) printf("\n Digit: eta %8.3f phi %8.3f amp %8.3f %8d", | |
1011 | eta, phi, amp, sdg->GetAmp()); | |
1012 | ||
1013 | fLego->Fill(eta, phi, fSamplingF*amp); | |
1014 | } // digit loop | |
1015 | // | |
1016 | // Dump lego hist | |
1017 | DumpLego(); | |
1018 | } | |
1019 | ||
1020 | ||
1021 | void AliEMCALJetFinder::FillFromHitFlaggedTracks(Int_t flag) | |
1022 | { | |
1023 | // | |
1024 | // Fill Cells with hit information | |
1025 | // | |
1026 | // | |
1027 | ResetMap(); | |
1028 | ||
1029 | if (!fLego) BookLego(); | |
1030 | // Reset | |
1031 | if (flag == 0) fLego->Reset(); | |
1032 | ||
ff114de3 | 1033 | // Flag charged tracks passing through TPC which |
1034 | // are associated to EMCAL Hits | |
d594b22e | 1035 | BuildTrackFlagTable(); |
1036 | ||
1037 | // | |
1038 | // Access particle information | |
ff8fdf97 | 1039 | TTree *treeK = gAlice->TreeK(); |
1040 | Int_t ntracks = (Int_t) treeK->GetEntries(); | |
d594b22e | 1041 | |
ff114de3 | 1042 | if (fPtT) delete[] fPtT; |
1043 | if (fEtaT) delete[] fEtaT; | |
1044 | if (fPhiT) delete[] fPhiT; | |
975127ed | 1045 | if (fPdgT) delete[] fPdgT; |
ff114de3 | 1046 | |
d594b22e | 1047 | fPtT = new Float_t[ntracks]; |
1048 | fEtaT = new Float_t[ntracks]; | |
1049 | fPhiT = new Float_t[ntracks]; | |
975127ed | 1050 | fPdgT = new Int_t[ntracks]; |
d594b22e | 1051 | |
ff114de3 | 1052 | fNt = ntracks; |
1053 | fNtS = 0; | |
1054 | ||
d594b22e | 1055 | for (Int_t track = 0; track < ntracks; track++) { |
1056 | TParticle *MPart = gAlice->Particle(track); | |
1057 | Float_t pT = MPart->Pt(); | |
1058 | Float_t phi = MPart->Phi(); | |
1059 | Float_t eta = MPart->Eta(); | |
1060 | ||
1061 | if(fTrackList[track]) { | |
1062 | fPtT[track] = pT; | |
1063 | fEtaT[track] = eta; | |
1064 | fPhiT[track] = phi; | |
975127ed | 1065 | fPdgT[track] = MPart->GetPdgCode(); |
1066 | ||
d594b22e | 1067 | if (track < 2) continue; //Colliding particles? |
1068 | if (pT == 0 || pT < fPtCut) continue; | |
ff114de3 | 1069 | fNtS++; |
d594b22e | 1070 | fLego->Fill(eta, phi, pT); |
1071 | } | |
1072 | } // track loop | |
1073 | DumpLego(); | |
1074 | } | |
1075 | ||
c44ecd4c | 1076 | void AliEMCALJetFinder::FillFromParticles() |
1077 | { | |
1078 | // 26-feb-2002 PAI - for checking all chain | |
1079 | // Work on particles level; accept all particle (not neutrino ) | |
1080 | ||
b561574c | 1081 | Double_t PX=0, PY=0, PZ=0, E=0; // checking conservation law |
1082 | fNChTpc = 0; | |
c44ecd4c | 1083 | |
1084 | ResetMap(); | |
1085 | if (!fLego) BookLego(); | |
1086 | fLego->Reset(); | |
1087 | // | |
1088 | // Access particles information | |
1089 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
1090 | if (fDebug >= 2 || npart<=0) { | |
b561574c | 1091 | printf(" AliEMCALJetFinder::FillFromParticles : npart %i\n", npart); |
1092 | if(npart<=0) return; | |
c44ecd4c | 1093 | } |
1094 | fNt = npart; | |
1095 | fNtS = 0; | |
1096 | RearrangeParticlesMemory(npart); | |
1097 | ||
1098 | // Go through the particles | |
b561574c | 1099 | Int_t mpart, child1, child2, geantPdg; |
1100 | Float_t pT, phi, eta, e=0, px=0, py=0, pz=0; | |
c44ecd4c | 1101 | TParticle *MPart=0; |
1102 | for (Int_t part = 0; part < npart; part++) { | |
1103 | ||
1104 | fTrackList[part] = 0; | |
c44ecd4c | 1105 | |
1106 | MPart = gAlice->Particle(part); | |
1107 | mpart = MPart->GetPdgCode(); | |
1108 | child1 = MPart->GetFirstDaughter(); | |
b561574c | 1109 | child2 = MPart->GetLastDaughter(); |
c44ecd4c | 1110 | pT = MPart->Pt(); |
1111 | phi = MPart->Phi(); | |
1112 | eta = MPart->Eta(); | |
b561574c | 1113 | |
1114 | px = MPart->Px(); | |
1115 | py = MPart->Py(); | |
1116 | pz = MPart->Pz(); | |
1117 | e = MPart->Energy(); | |
1118 | ||
1119 | // see pyedit in Pythia's text | |
975127ed | 1120 | geantPdg = mpart; |
975127ed | 1121 | if (IsThisPartonsOrDiQuark(mpart)) continue; |
1122 | printf("%5i: %5i(%2i) px %5.1f py %5.1f pz %6.1f e %6.1f childs %5i,%5i \n", | |
1123 | part, mpart, geantPdg, px, py, pz, e, child1, child2); | |
c44ecd4c | 1124 | |
1125 | // exclude partons (21 - gluon, 92 - string) | |
975127ed | 1126 | |
1127 | ||
c44ecd4c | 1128 | // exclude neutrinous also ?? |
b561574c | 1129 | if (fDebug >= 11 && pT>0.01) |
1130 | printf("\n part:%5d mpart %5d eta %9.2f phi %9.2f pT %9.2f ", | |
c44ecd4c | 1131 | part, mpart, eta, phi, pT); |
1132 | ||
1133 | fPtT[part] = pT; | |
1134 | fEtaT[part] = eta; | |
1135 | fPhiT[part] = phi; | |
975127ed | 1136 | fPdgT[part] = mpart; |
759ae494 | 1137 | fNtS++; |
975127ed | 1138 | |
b561574c | 1139 | // final state only |
1140 | if (child1 >= 0 && child1 < npart) continue; | |
1141 | ||
1142 | // printf("%4i -> %5i(%3i) px %6.1f py %6.1f pz %7.1f e %8.2f child1 %5i %s\n", | |
1143 | // part, mpart, geantPdg, px, py, pz, e, child1, name.Data()); | |
1144 | PX += px; | |
1145 | PY += py; | |
1146 | PZ += pz; | |
1147 | E += e; | |
1148 | ||
1149 | ||
1150 | if (TMath::Abs(eta) <= 0.9) fNChTpc++; | |
c44ecd4c | 1151 | // acceptance cut |
759ae494 | 1152 | if (eta > fEtaMax || eta < fEtaMin) continue; |
1153 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
c44ecd4c | 1154 | // |
1155 | if(fK0N==0 ) { // exclude neutral hadrons | |
1156 | if (mpart == kNeutron || mpart == kNeutronBar || mpart == kK0Long) continue; | |
1157 | } | |
1158 | fTrackList[part] = 1; | |
1159 | fLego->Fill(eta, phi, pT); | |
1160 | ||
1161 | } // primary loop | |
b561574c | 1162 | printf("\n PX %8.2f PY %8.2f PZ %8.2f E %8.2f \n", |
1163 | PX, PY, PZ, E); | |
c44ecd4c | 1164 | DumpLego(); |
b561574c | 1165 | if(fhChPartMultInTpc) fhChPartMultInTpc->Fill(fNChTpc); |
c44ecd4c | 1166 | } |
1167 | ||
b7a73953 | 1168 | void AliEMCALJetFinder::FillFromPartons() |
1169 | { | |
1170 | // function under construction - 13-feb-2002 PAI | |
1171 | ||
1172 | if (fDebug >= 2) | |
1173 | printf("\n AliEMCALJetFinder::FillFromPartons()\n"); | |
1174 | // | |
1175 | ||
1176 | ResetMap(); | |
1177 | if (!fLego) BookLego(); | |
1178 | fLego->Reset(); | |
1179 | // | |
1180 | // Access particle information | |
1181 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
1182 | if (fDebug >= 2 || npart<=0) | |
1183 | printf("\n AliEMCALJetFinder::FillFromPartons : npart %i\n", npart); | |
1184 | fNt = 0; // for FindTracksInJetCone | |
1185 | fNtS = 0; | |
1186 | ||
1187 | // Go through the partons | |
1188 | Int_t statusCode=0; | |
1189 | for (Int_t part = 8; part < npart; part++) { | |
1190 | TParticle *MPart = gAlice->Particle(part); | |
1191 | Int_t mpart = MPart->GetPdgCode(); | |
1192 | // Int_t child1 = MPart->GetFirstDaughter(); | |
1193 | Float_t pT = MPart->Pt(); | |
1194 | // Float_t p = MPart->P(); | |
1195 | Float_t phi = MPart->Phi(); | |
1196 | Float_t eta = MPart->Eta(); | |
1197 | // Float_t theta = MPart->Theta(); | |
1198 | statusCode = MPart->GetStatusCode(); | |
1199 | ||
1200 | // accept partons (21 - gluon, 92 - string) | |
1201 | if (!(TMath::Abs(mpart) <= 6 || mpart == 21 ||mpart == 92)) continue; | |
1202 | if (fDebug > 1 && pT>0.01) | |
1203 | printf("\n part:%5d mpart %5d status %5d eta %8.2f phi %8.2f pT %8.2f ", | |
1204 | part, mpart, statusCode, eta, phi, pT); | |
1205 | // if (fDebug >= 3) MPart->Print(); | |
1206 | // accept partons before fragmentation - p.57 in Pythia manual | |
1207 | // if(statusCode != 1) continue; | |
1208 | // acceptance cut | |
759ae494 | 1209 | if (eta > fEtaMax || eta < fEtaMin) continue; |
1210 | if (phi > fPhiMax || phi < fPhiMin ) continue; | |
b7a73953 | 1211 | // final state only |
1212 | // if (child1 >= 0 && child1 < npart) continue; | |
1213 | // | |
1214 | // | |
1215 | fLego->Fill(eta, phi, pT); | |
1216 | ||
1217 | } // primary loop | |
1218 | DumpLego(); | |
1219 | } | |
1220 | ||
d594b22e | 1221 | void AliEMCALJetFinder::BuildTrackFlagTable() { |
1222 | ||
1223 | // Method to generate a lookup table for TreeK particles | |
1224 | // which are linked to hits in the EMCAL | |
1225 | // | |
1226 | // --Author: J.L. Klay | |
1227 | // | |
d594b22e | 1228 | // Access hit information |
1229 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
1230 | ||
1231 | TTree *TK = gAlice->TreeK(); // Get the number of entries in the kine tree | |
1232 | Int_t nKTrks = (Int_t) TK->GetEntries(); // (Number of particles created somewhere) | |
1233 | ||
1234 | if(fTrackList) delete[] fTrackList; //Make sure we get rid of the old one | |
1235 | fTrackList = new Int_t[nKTrks]; //before generating a new one | |
1236 | ||
1237 | for (Int_t i = 0; i < nKTrks; i++) { //Initialize members to 0 | |
1238 | fTrackList[i] = 0; | |
1239 | } | |
1240 | ||
1241 | TTree *treeH = gAlice->TreeH(); | |
1242 | Int_t ntracks = (Int_t) treeH->GetEntries(); | |
1243 | // | |
1244 | // Loop over tracks | |
1245 | // | |
1246 | Int_t nbytes = 0; | |
1247 | ||
1248 | for (Int_t track=0; track<ntracks;track++) { | |
1249 | gAlice->ResetHits(); | |
1250 | nbytes += treeH->GetEvent(track); | |
1251 | if (pEMCAL) { | |
1252 | ||
1253 | // | |
1254 | // Loop over hits | |
1255 | // | |
1256 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); | |
1257 | mHit; | |
1258 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) | |
1259 | { | |
1260 | Int_t iTrk = mHit->Track(); // track number | |
1261 | Int_t idprim = mHit->GetPrimary(); // primary particle | |
1262 | ||
1263 | //Determine the origin point of this particle - it made a hit in the EMCAL | |
1264 | TParticle *trkPart = gAlice->Particle(iTrk); | |
1265 | TParticlePDG *trkPdg = trkPart->GetPDG(); | |
1266 | Int_t trkCode = trkPart->GetPdgCode(); | |
1267 | Double_t trkChg; | |
1268 | if (trkCode < 10000) { //Big Ions cause problems for | |
1269 | trkChg = trkPdg->Charge(); //this function. Since they aren't | |
1270 | } else { //likely to make it very far, set | |
1271 | trkChg = 0.0; //their charge to 0 for the Flag test | |
1272 | } | |
1273 | Float_t vxTrk = trkPart->Vx(); | |
1274 | Float_t vyTrk = trkPart->Vy(); | |
1275 | Float_t vrTrk = TMath::Sqrt(vxTrk*vxTrk+vyTrk*vyTrk); | |
1276 | fTrackList[iTrk] = SetTrackFlag(vrTrk,trkCode,trkChg); | |
1277 | ||
1278 | //Loop through the ancestry of the EMCAL entrance particles | |
1279 | Int_t ancestor = trkPart->GetFirstMother(); //Get track's Mother | |
1280 | while (ancestor != -1) { | |
1281 | TParticle *ancPart = gAlice->Particle(ancestor); //get particle info on ancestor | |
1282 | TParticlePDG *ancPdg = ancPart->GetPDG(); | |
1283 | Int_t ancCode = ancPart->GetPdgCode(); | |
1284 | Double_t ancChg; | |
1285 | if (ancCode < 10000) { | |
1286 | ancChg = ancPdg->Charge(); | |
1287 | } else { | |
1288 | ancChg = 0.0; | |
1289 | } | |
1290 | Float_t vxAnc = ancPart->Vx(); | |
1291 | Float_t vyAnc = ancPart->Vy(); | |
1292 | Float_t vrAnc = TMath::Sqrt(vxAnc*vxAnc+vyAnc*vyAnc); | |
1293 | fTrackList[ancestor] = SetTrackFlag(vrAnc,ancCode,ancChg); | |
1294 | ancestor = ancPart->GetFirstMother(); //Get the next ancestor | |
1295 | } | |
1296 | ||
1297 | //Determine the origin point of the primary particle associated with the hit | |
1298 | TParticle *primPart = gAlice->Particle(idprim); | |
1299 | TParticlePDG *primPdg = primPart->GetPDG(); | |
1300 | Int_t primCode = primPart->GetPdgCode(); | |
1301 | Double_t primChg; | |
1302 | if (primCode < 10000) { | |
1303 | primChg = primPdg->Charge(); | |
1304 | } else { | |
1305 | primChg = 0.0; | |
1306 | } | |
1307 | Float_t vxPrim = primPart->Vx(); | |
1308 | Float_t vyPrim = primPart->Vy(); | |
1309 | Float_t vrPrim = TMath::Sqrt(vxPrim*vxPrim+vyPrim*vyPrim); | |
1310 | fTrackList[idprim] = SetTrackFlag(vrPrim,primCode,primChg); | |
1311 | } // Hit Loop | |
1312 | } //if (pEMCAL) | |
1313 | } // Track Loop | |
1314 | } | |
1315 | ||
1316 | Int_t AliEMCALJetFinder | |
1317 | ::SetTrackFlag(Float_t radius, Int_t code, Double_t charge) { | |
1318 | ||
ff114de3 | 1319 | Int_t flag = 0; |
1320 | Int_t parton = 0; | |
d594b22e | 1321 | Int_t neutral = 0; |
1322 | ||
1323 | if (charge == 0) neutral = 1; | |
1324 | ||
1325 | if (TMath::Abs(code) <= 6 || | |
1326 | code == 21 || | |
1327 | code == 92) parton = 1; | |
1328 | ||
1329 | //It's not a parton, it's charged and it went through the TPC | |
1330 | if (!parton && !neutral && radius <= 84.0) flag = 1; | |
1331 | ||
1332 | return flag; | |
1333 | } | |
1334 | ||
ff114de3 | 1335 | |
1336 | ||
1337 | void AliEMCALJetFinder::SaveBackgroundEvent() | |
1338 | { | |
1339 | // Saves the eta-phi lego and the tracklist | |
1340 | // | |
b561574c | 1341 | if (fLegoB) { |
1342 | fLegoB->Reset(); | |
1343 | (*fLegoB) = (*fLegoB) + (*fLego); | |
1344 | if(fDebug) | |
1345 | printf("\n AliEMCALJetFinder::SaveBackgroundEvent() (fLegoB) %f = %f(fLego) \n", | |
1346 | fLegoB->Integral(), fLego->Integral()); | |
1347 | } | |
ff114de3 | 1348 | |
1349 | if (fPtB) delete[] fPtB; | |
1350 | if (fEtaB) delete[] fEtaB; | |
1351 | if (fPhiB) delete[] fPhiB; | |
975127ed | 1352 | if (fPdgB) delete[] fPdgB; |
ff114de3 | 1353 | if (fTrackListB) delete[] fTrackListB; |
1354 | ||
1355 | fPtB = new Float_t[fNtS]; | |
1356 | fEtaB = new Float_t[fNtS]; | |
1357 | fPhiB = new Float_t[fNtS]; | |
975127ed | 1358 | fPdgB = new Int_t [fNtS]; |
ff114de3 | 1359 | fTrackListB = new Int_t [fNtS]; |
46955412 | 1360 | |
1361 | fNtB = 0; | |
1362 | ||
ff114de3 | 1363 | for (Int_t i = 0; i < fNt; i++) { |
1364 | if (!fTrackList[i]) continue; | |
610f27c9 | 1365 | fPtB [fNtB] = fPtT [i]; |
1366 | fEtaB[fNtB] = fEtaT[i]; | |
1367 | fPhiB[fNtB] = fPhiT[i]; | |
975127ed | 1368 | fPdgB[fNtB] = fPdgT[i]; |
46955412 | 1369 | fTrackListB[fNtB] = 1; |
ff114de3 | 1370 | fNtB++; |
1371 | } | |
610f27c9 | 1372 | fBackground = 1; |
b561574c | 1373 | printf(" fNtB %i => fNtS %i #particles %i \n", fNtB, fNtS, fNt); |
ff114de3 | 1374 | } |
1375 | ||
1376 | void AliEMCALJetFinder::InitFromBackground() | |
1377 | { | |
1378 | // | |
1379 | // | |
b561574c | 1380 | if (fDebug) printf("\n AliEMCALJetFinder::InitFromBackground() "); |
46955412 | 1381 | |
b561574c | 1382 | if (fLego) { |
396840bb | 1383 | fLego->Reset(); |
1384 | (*fLego) = (*fLego) + (*fLegoB); | |
1385 | if(fDebug) | |
1386 | printf("\n AliEMCALJetFinder::SaveBackgroundEvent() (fLego) %f = %f(fLegoB) \n", | |
1387 | fLego->Integral(), fLegoB->Integral()); | |
b561574c | 1388 | } else { |
396840bb | 1389 | printf(" => fLego undefined \n"); |
b561574c | 1390 | } |
ff114de3 | 1391 | } |
1392 | ||
ff114de3 | 1393 | |
3bc109a9 | 1394 | void AliEMCALJetFinder::FindTracksInJetCone() |
1395 | { | |
1396 | // | |
1397 | // Build list of tracks inside jet cone | |
1398 | // | |
1399 | // Loop over jets | |
1400 | Int_t njet = Njets(); | |
1401 | for (Int_t nj = 0; nj < njet; nj++) | |
1402 | { | |
1403 | Float_t etaj = JetEtaW(nj); | |
1404 | Float_t phij = JetPhiW(nj); | |
1405 | Int_t nT = 0; // number of associated tracks | |
1406 | ||
ff114de3 | 1407 | // Loop over particles in current event |
3bc109a9 | 1408 | for (Int_t part = 0; part < fNt; part++) { |
1409 | if (!fTrackList[part]) continue; | |
1410 | Float_t phi = fPhiT[part]; | |
1411 | Float_t eta = fEtaT[part]; | |
1412 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + | |
1413 | (phij-phi)*(phij-phi)); | |
1414 | if (dr < fConeRadius) { | |
1415 | fTrackList[part] = nj+2; | |
1416 | nT++; | |
1417 | } // < ConeRadius ? | |
1418 | } // particle loop | |
d594b22e | 1419 | |
ff114de3 | 1420 | // Same for background event if available |
1421 | Int_t nTB = 0; | |
1422 | if (fBackground) { | |
1423 | for (Int_t part = 0; part < fNtB; part++) { | |
1424 | Float_t phi = fPhiB[part]; | |
1425 | Float_t eta = fEtaB[part]; | |
1426 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + | |
1427 | (phij-phi)*(phij-phi)); | |
610f27c9 | 1428 | fTrackListB[part] = 1; |
1429 | ||
ff114de3 | 1430 | if (dr < fConeRadius) { |
610f27c9 | 1431 | fTrackListB[part] = nj+2; |
ff114de3 | 1432 | nTB++; |
1433 | } // < ConeRadius ? | |
1434 | } // particle loop | |
1435 | } // Background available ? | |
1436 | ||
1437 | Int_t nT0 = nT + nTB; | |
759ae494 | 1438 | printf("Total number of tracks %d\n", nT0); |
ff114de3 | 1439 | |
8eba3b34 | 1440 | if (nT0 > 1000) nT0 = 1000; |
d594b22e | 1441 | |
610f27c9 | 1442 | Float_t* ptT = new Float_t[nT0]; |
1443 | Float_t* etaT = new Float_t[nT0]; | |
1444 | Float_t* phiT = new Float_t[nT0]; | |
975127ed | 1445 | Int_t* pdgT = new Int_t[nT0]; |
1446 | ||
d594b22e | 1447 | Int_t iT = 0; |
1448 | Int_t j; | |
1449 | ||
3bc109a9 | 1450 | for (Int_t part = 0; part < fNt; part++) { |
1451 | if (fTrackList[part] == nj+2) { | |
d594b22e | 1452 | Int_t index = 0; |
1453 | for (j=iT-1; j>=0; j--) { | |
1454 | if (fPtT[part] > ptT[j]) { | |
1455 | index = j+1; | |
1456 | break; | |
1457 | } | |
1458 | } | |
1459 | for (j=iT-1; j>=index; j--) { | |
1460 | ptT [j+1] = ptT [j]; | |
1461 | etaT[j+1] = etaT[j]; | |
1462 | phiT[j+1] = phiT[j]; | |
975127ed | 1463 | pdgT[j+1] = pdgT[j]; |
d594b22e | 1464 | } |
1465 | ptT [index] = fPtT [part]; | |
1466 | etaT[index] = fEtaT[part]; | |
1467 | phiT[index] = fPhiT[part]; | |
975127ed | 1468 | pdgT[index] = fPdgT[part]; |
ff114de3 | 1469 | iT++; |
3bc109a9 | 1470 | } // particle associated |
ff114de3 | 1471 | if (iT > nT0) break; |
3bc109a9 | 1472 | } // particle loop |
d594b22e | 1473 | |
ff114de3 | 1474 | if (fBackground) { |
1475 | for (Int_t part = 0; part < fNtB; part++) { | |
610f27c9 | 1476 | if (fTrackListB[part] == nj+2) { |
ff114de3 | 1477 | Int_t index = 0; |
1478 | for (j=iT-1; j>=0; j--) { | |
1479 | if (fPtB[part] > ptT[j]) { | |
1480 | index = j+1; | |
610f27c9 | 1481 | |
ff114de3 | 1482 | break; |
1483 | } | |
1484 | } | |
1485 | for (j=iT-1; j>=index; j--) { | |
1486 | ptT [j+1] = ptT [j]; | |
1487 | etaT[j+1] = etaT[j]; | |
1488 | phiT[j+1] = phiT[j]; | |
975127ed | 1489 | pdgT[j+1] = pdgT[j]; |
ff114de3 | 1490 | } |
1491 | ptT [index] = fPtB [part]; | |
1492 | etaT[index] = fEtaB[part]; | |
1493 | phiT[index] = fPhiB[part]; | |
975127ed | 1494 | pdgT[index] = fPdgB[part]; |
ff114de3 | 1495 | iT++; |
1496 | } // particle associated | |
1497 | if (iT > nT0) break; | |
1498 | } // particle loop | |
1499 | } // Background available ? | |
1500 | ||
975127ed | 1501 | fJetT[nj]->SetTrackList(nT0, ptT, etaT, phiT, pdgT); |
3bc109a9 | 1502 | delete[] ptT; |
1503 | delete[] etaT; | |
1504 | delete[] phiT; | |
975127ed | 1505 | delete[] pdgT; |
1506 | ||
3bc109a9 | 1507 | } // jet loop loop |
1508 | } | |
1509 | ||
26dadf3a | 1510 | Float_t AliEMCALJetFinder::PropagatePhi(Float_t pt, Float_t charge, Bool_t& curls) |
1511 | { | |
1512 | // Propagates phi angle to EMCAL radius | |
1513 | // | |
b7a73953 | 1514 | static Float_t b = 0.0, rEMCAL = -1.0; |
1515 | if(rEMCAL<0) { | |
1516 | // Get field in kGS | |
9b91a677 | 1517 | b = gAlice->Field()->SolenoidField(); |
b7a73953 | 1518 | // Get EMCAL radius in cm |
1519 | rEMCAL = AliEMCALGeometry::GetInstance()->GetIPDistance(); | |
1520 | printf("\nMagnetic field %f rEMCAL %f ", b, rEMCAL); | |
1521 | } | |
26dadf3a | 1522 | Float_t dPhi = 0.; |
26dadf3a | 1523 | // |
1524 | // | |
1525 | // bending radies | |
db5026bf | 1526 | // pt [Gev] |
1527 | // B [kG] | |
1528 | // | |
b7a73953 | 1529 | Float_t rB = 3335.6 * pt / b; // [cm] (case of |charge|=1) |
26dadf3a | 1530 | // |
1531 | // check if particle is curling below EMCAL | |
1532 | if (2.*rB < rEMCAL) { | |
1533 | curls = kTRUE; | |
1534 | return dPhi; | |
1535 | } | |
1536 | // | |
1537 | // if not calculate delta phi | |
1538 | Float_t phi = TMath::ACos(1.-rEMCAL*rEMCAL/(2.*rB*rB)); | |
1539 | dPhi = TMath::ATan2(1.-TMath::Cos(phi), TMath::Sin(phi)); | |
f8f69f71 | 1540 | dPhi = -TMath::Sign(dPhi, charge); |
26dadf3a | 1541 | // |
1542 | return dPhi; | |
26dadf3a | 1543 | } |
1544 | ||
471f69dc | 1545 | void hf1(Int_t& id, Float_t& x, Float_t& wgt) |
1546 | { | |
1547 | // dummy for hbook calls | |
1548 | ; | |
1549 | } | |
1550 | ||
c44ecd4c | 1551 | void AliEMCALJetFinder::DrawLego(Char_t *opt) |
1552 | {fLego->Draw(opt);} | |
471f69dc | 1553 | |
c44ecd4c | 1554 | void AliEMCALJetFinder::DrawLegoEMCAL(Char_t *opt) |
1555 | {fhLegoEMCAL->Draw(opt);} | |
d594b22e | 1556 | |
c44ecd4c | 1557 | void AliEMCALJetFinder::DrawHistsForTuning(Int_t mode) |
1558 | { | |
1559 | static TPaveText *varLabel=0; | |
1560 | if(!fC1) { | |
1561 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); | |
1562 | } | |
1563 | fC1->Clear(); | |
1564 | fC1->Divide(2,2); | |
1565 | fC1->cd(1); | |
1566 | gPad->SetLogy(1); | |
1567 | fhCellEt->Draw(); | |
1568 | ||
1569 | fC1->cd(2); | |
1570 | gPad->SetLogy(1); | |
1571 | fhCellEMCALEt->Draw(); | |
1572 | ||
1573 | fC1->cd(3); | |
1574 | gPad->SetLogy(1); | |
1575 | fhTrackPt->Draw(); | |
1576 | fhTrackPtBcut->SetLineColor(2); | |
1577 | fhTrackPtBcut->Draw("same"); | |
1578 | ||
1579 | fC1->cd(4); | |
1580 | if(!varLabel) { | |
1581 | PrintParameters(1); | |
1582 | varLabel = new TPaveText(0.05,0.5,0.95,0.95,"NDC"); | |
1583 | varLabel->SetTextAlign(12); | |
1584 | varLabel->SetFillColor(19); // see TAttFill | |
1585 | TString tmp(GetTitle()); | |
1586 | varLabel->ReadFile(GetFileNameForParameters()); | |
1587 | } | |
1588 | varLabel->Draw(); | |
1589 | fC1->Update(); | |
1590 | if(mode) { // for saving picture to the file | |
1591 | TString stmp(GetFileNameForParameters()); | |
1592 | stmp.ReplaceAll("_Par.txt",".ps"); | |
1593 | fC1->Print(stmp.Data()); | |
1594 | } | |
1595 | } | |
d594b22e | 1596 | |
c44ecd4c | 1597 | void AliEMCALJetFinder::PrintParameters(Int_t mode) |
1598 | { | |
1599 | FILE *file=0; | |
1600 | if(mode==0) file = stdout; // output to terminal | |
1601 | else { | |
1602 | file = fopen(GetFileNameForParameters(),"w"); | |
1603 | if(file==0) file = stdout; | |
1604 | } | |
1605 | fprintf(file,"==== Filling lego ==== \n"); | |
1606 | fprintf(file,"Smearing %6i ", fSmear); | |
1607 | fprintf(file,"Efficiency %6i\n", fEffic); | |
1608 | fprintf(file,"Hadr.Correct. %6i ", fHCorrection); | |
1609 | fprintf(file,"P_{T} Cut of ch.par. %6.2f\n", fPtCut); | |
1610 | fprintf(file,"==== Jet finding ==== \n"); | |
1611 | fprintf(file,"Cone radius %6.2f ", fConeRadius); | |
1612 | fprintf(file,"Seed E_{T} %6.1f\n", fEtSeed); | |
1613 | fprintf(file,"Min E_{T} of cell %6.1f ", fMinCellEt); | |
1614 | fprintf(file,"Min E_{T} of jet %6.1f\n", fMinJetEt); | |
1615 | if(fMode) { | |
1616 | fprintf(file,"==== Bg subtraction ==== \n"); | |
1617 | fprintf(file,"BG subtraction %6i ", fMode); | |
1618 | fprintf(file,"Min cone move %6.2f\n", fMinMove); | |
1619 | fprintf(file,"Max cone move %6.2f ", fMaxMove); | |
1620 | fprintf(file,"%% change for BG %6.4f\n", fPrecBg); | |
1621 | } else | |
1622 | fprintf(file,"==== No Bg subtraction ==== \n"); | |
1623 | if(file != stdout) fclose(file); | |
1624 | } | |
d594b22e | 1625 | |
c44ecd4c | 1626 | void AliEMCALJetFinder::DrawLegos() |
1627 | { | |
1628 | if(!fC1) { | |
1629 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); | |
1630 | } | |
1631 | fC1->Clear(); | |
1632 | fC1->Divide(2,2); | |
1633 | gStyle->SetOptStat(111111); | |
1634 | ||
1635 | Int_t nent1, nent2, nent3, nent4; | |
1636 | Double_t int1, int2, int3, int4; | |
1637 | nent1 = (Int_t)fLego->GetEntries(); | |
1638 | int1 = fLego->Integral(); | |
1639 | fC1->cd(1); | |
1640 | if(int1) fLego->Draw("lego"); | |
1641 | ||
1642 | nent2 = (Int_t)fhLegoTracks->GetEntries(); | |
1643 | int2 = fhLegoTracks->Integral(); | |
1644 | fC1->cd(2); | |
1645 | if(int2) fhLegoTracks->Draw("lego"); | |
1646 | ||
1647 | nent3 = (Int_t)fhLegoEMCAL->GetEntries(); | |
1648 | int3 = fhLegoEMCAL->Integral(); | |
1649 | fC1->cd(3); | |
1650 | if(int3) fhLegoEMCAL->Draw("lego"); | |
1651 | ||
1652 | nent4 = (Int_t)fhLegoHadrCorr->GetEntries(); | |
1653 | int4 = fhLegoHadrCorr->Integral(); | |
1654 | fC1->cd(4); | |
1655 | if(int4) fhLegoHadrCorr->Draw("lego"); | |
1656 | ||
1657 | // just for checking | |
1658 | printf(" Integrals \n"); | |
1659 | printf("lego %10.3f \ntrack %10.3f \nhits %10.3f \nHCorr %10.3f\n-- %10.3f(must be 0)\n", | |
1660 | int1, int2, int3, int4, int1 - (int2 + int3 - int4)); | |
1661 | } | |
d594b22e | 1662 | |
c44ecd4c | 1663 | const Char_t* AliEMCALJetFinder::GetFileNameForParameters(Char_t* dir) |
1664 | { | |
1665 | static TString tmp; | |
1666 | if(strlen(dir)) tmp = dir; | |
1667 | tmp += GetTitle(); | |
1668 | tmp += "_Par.txt"; | |
1669 | return tmp.Data(); | |
1670 | } | |
d594b22e | 1671 | |
c44ecd4c | 1672 | void AliEMCALJetFinder::RearrangeParticlesMemory(Int_t npart) |
1673 | { // See FillFromTracks() - npart must be positive | |
1674 | if (fTrackList) delete[] fTrackList; | |
1675 | if (fPtT) delete[] fPtT; | |
1676 | if (fEtaT) delete[] fEtaT; | |
1677 | if (fPhiT) delete[] fPhiT; | |
975127ed | 1678 | if (fPdgT) delete[] fPdgT; |
c44ecd4c | 1679 | |
1680 | if(npart>0) { | |
1681 | fTrackList = new Int_t [npart]; | |
1682 | fPtT = new Float_t[npart]; | |
1683 | fEtaT = new Float_t[npart]; | |
1684 | fPhiT = new Float_t[npart]; | |
975127ed | 1685 | fPdgT = new Int_t[npart]; |
c44ecd4c | 1686 | } else { |
1687 | printf("AliEMCALJetFinder::RearrangeParticlesMemory : npart = %d\n", npart); | |
1688 | } | |
1689 | } | |
b561574c | 1690 | |
1691 | Bool_t AliEMCALJetFinder::IsThisPartonsOrDiQuark(Int_t pdg) | |
1692 | { | |
1693 | Int_t absPdg = TMath::Abs(pdg); | |
1694 | if(absPdg<=6) return kTRUE; // quarks | |
1695 | if(pdg == 21) return kTRUE; // gluon | |
1696 | if(pdg == 92) return kTRUE; // string | |
1697 | ||
1698 | // see p.51 of Pythia Manual | |
1699 | // Not include diquarks with c and b quark - 4-mar-2002 | |
1700 | // ud_0,sd_0,su_0; dd_1,ud_1,uu_1; sd_1,su_1,ss_1 | |
1701 | static Int_t diquark[9]={2101,3101,3201, 1103,2103,2203, 3103,3203,3303}; | |
1702 | for(Int_t i=0; i<9; i++) if(absPdg == diquark[i]) return kTRUE; // diquarks | |
1703 | ||
1704 | return kFALSE; | |
1705 | } | |
1706 | ||
759ae494 | 1707 | void AliEMCALJetFinder::FindChargedJet() |
1708 | { | |
1709 | // | |
1710 | // Find jet from charged particle information only | |
1711 | // | |
1712 | ||
1713 | // | |
1714 | // Look for seeds | |
1715 | // | |
1716 | Int_t njets = 0; | |
1717 | Int_t part = 0; | |
1718 | Int_t nseed = 0; | |
1719 | ||
1720 | // | |
1721 | // | |
1722 | ResetJets(); | |
1723 | ||
1724 | // | |
1725 | for (part = 0; part < fNt; part++) { | |
1726 | if (!fTrackList[part]) continue; | |
1727 | if (fPtT[part] > fEtSeed) nseed++; | |
1728 | } | |
1729 | printf("\nThere are %d seeds (%d)\n", nseed, fNtS); | |
1730 | Int_t* iSeeds = new Int_t[nseed]; | |
1731 | nseed = 0; | |
1732 | ||
1733 | for (part = 0; part < fNt; part++) { | |
1734 | if (!fTrackList[part]) continue; | |
1735 | if (fPtT[part] > fEtSeed) iSeeds[nseed++] = part; | |
1736 | } | |
1737 | ||
1738 | // | |
1739 | // Loop over seeds | |
1740 | // | |
1741 | Int_t seed = 0; | |
1742 | Float_t pt; | |
1743 | ||
1744 | while(1){ | |
1745 | // | |
1746 | // Find seed with highest pt | |
1747 | // | |
1748 | Float_t ptmax = -1.; | |
1749 | Int_t index = -1; | |
1750 | Int_t jndex = -1; | |
1751 | for (seed = 0; seed < nseed; seed++) { | |
1752 | if ((pt = fPtT[iSeeds[seed]]) > ptmax && iSeeds[seed] != -1) { | |
1753 | ptmax = pt; | |
1754 | index = seed; | |
1755 | } // ptmax ? | |
1756 | } // seeds | |
1757 | if (ptmax < 0.) break; | |
1758 | jndex = iSeeds[index]; | |
1759 | // | |
1760 | // Remove from the list | |
1761 | iSeeds[index] = -1; | |
1762 | printf("\n Next Seed %d %f", jndex, ptmax); | |
1763 | // | |
1764 | // Find tracks in cone around seed | |
1765 | // | |
1766 | Float_t phiSeed = fPhiT[jndex]; | |
1767 | Float_t etaSeed = fEtaT[jndex]; | |
1768 | Float_t eT = 0.; | |
1769 | Float_t pxJ = 0.; | |
1770 | Float_t pyJ = 0.; | |
1771 | Float_t pzJ = 0.; | |
1772 | ||
1773 | for (part = 0; part < fNt; part++) { | |
1774 | if (!fTrackList[part]) continue; | |
1775 | Float_t deta = fEtaT[part] - etaSeed; | |
1776 | Float_t dphi = fPhiT[part] - phiSeed; | |
1777 | Float_t dR = TMath::Sqrt(deta * deta + dphi * dphi); | |
1778 | if (dR < fConeRadius) { | |
1779 | eT += fPtT[part]; | |
1780 | Float_t theta = 2. * TMath::ATan(TMath::Exp(-fEtaT[part])); | |
1781 | Float_t px = fPtT[part] * TMath::Cos(fPhiT[part]); | |
1782 | Float_t py = fPtT[part] * TMath::Sin(fPhiT[part]); | |
1783 | Float_t pz = fPtT[part] / TMath::Tan(theta); | |
1784 | pxJ += px; | |
1785 | pyJ += py; | |
1786 | pzJ += pz; | |
1787 | // | |
1788 | // if seed, remove it | |
1789 | // | |
1790 | for (seed = 0; seed < nseed; seed++) { | |
1791 | if (part == iSeeds[seed]) iSeeds[seed] = -1; | |
1792 | } // seed ? | |
1793 | } // < cone radius | |
1794 | } // particle loop | |
1795 | ||
1796 | // | |
1797 | // Estimate of jet direction | |
1798 | Float_t phiJ = TMath::ATan2(pyJ, pxJ); | |
1799 | Float_t thetaJ = TMath::ATan2(TMath::Sqrt(pxJ * pxJ + pyJ * pyJ), pzJ); | |
1800 | Float_t etaJ = TMath::Log(TMath::Tan(thetaJ / 2.)); | |
8eba3b34 | 1801 | // Float_t ptJ = TMath::Sqrt(pxJ * pxJ + pyJ * pyJ); |
759ae494 | 1802 | |
1803 | // | |
1804 | // Sum up all energy | |
1805 | // | |
1806 | Int_t iPhi0 = Int_t((phiJ - fPhiMin) / fDphi); | |
1807 | Int_t iEta0 = Int_t((etaJ - fEtaMin) / fDeta); | |
1808 | Int_t dIphi = Int_t(fConeRadius / fDphi); | |
1809 | Int_t dIeta = Int_t(fConeRadius / fDeta); | |
1810 | Int_t iPhi, iEta; | |
1811 | Float_t sumE = 0; | |
1812 | for (iPhi = iPhi0 -dIphi; iPhi < iPhi0 + dIphi; iPhi++) { | |
1813 | for (iEta = iEta0 - dIeta; iEta < iEta0 + dIeta; iEta++) { | |
1814 | if (iPhi < 0 || iEta < 0) continue; | |
1815 | Float_t dPhi = fPhiMin + iPhi * fDphi; | |
1816 | Float_t dEta = fEtaMin + iEta * fDeta; | |
1817 | if (TMath::Sqrt(dPhi * dPhi + dEta * dEta) < fConeRadius) continue; | |
1818 | sumE += fLego->GetBinContent(iEta, iPhi); | |
1819 | } // eta | |
1820 | } // phi | |
1821 | // | |
1822 | // | |
1823 | // | |
1824 | fJetT[njets++] = new AliEMCALJet(sumE, phiJ, etaJ); | |
1825 | FindTracksInJetCone(); | |
1826 | printf("\n Jet Energy %f %f %f %f %d\n", eT, sumE, fPtT[6], fPtT[7], njets); | |
1827 | printf("\n Jet Phi %f %f %f \n", phiJ, fPhiT[6], fPhiT[7]); | |
1828 | printf("\n Jet Eta %f %f %f \n", etaJ, fEtaT[6], fEtaT[7]); | |
1829 | } // while(1) | |
1830 | EMCALJETS.njet = njets; | |
1831 | if (fWrite) WriteJets(); | |
1832 | fEvent++; | |
1833 | } |