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 | $Log$ |
8a19c971 |
18 | Revision 1.30 2002/12/09 16:26:28 morsch |
19 | - Nummber of particles per jet increased to 1000 |
20 | - Warning removed. |
21 | |
8eba3b34 |
22 | Revision 1.29 2002/11/21 17:01:40 alibrary |
23 | Removing AliMCProcess and AliMC |
24 | |
6b677e96 |
25 | Revision 1.28 2002/11/20 14:13:16 morsch |
26 | - FindChargedJets() added. |
27 | - Destructor corrected. |
28 | - Geometry cuts taken from AliEMCALGeometry. |
29 | |
759ae494 |
30 | Revision 1.27 2002/11/15 17:39:10 morsch |
31 | GetPythiaParticleName removed. |
32 | |
e27cda11 |
33 | Revision 1.26 2002/10/14 14:55:35 hristov |
34 | Merging the VirtualMC branch to the main development branch (HEAD) |
35 | |
b9d0a01d |
36 | Revision 1.20.4.3 2002/10/10 15:07:49 hristov |
37 | Updating VirtualMC to v3-09-02 |
38 | |
39 | Revision 1.25 2002/09/13 10:24:57 morsch |
40 | idem |
41 | |
9b91a677 |
42 | Revision 1.24 2002/09/13 10:21:13 morsch |
43 | No cast to AliMagFCM. |
44 | |
a42a0f1a |
45 | Revision 1.23 2002/06/27 09:24:26 morsch |
46 | Uncomment the TH1::AddDirectory statement. |
47 | |
396840bb |
48 | Revision 1.22 2002/05/22 13:48:43 morsch |
49 | Pdg code added to track list. |
50 | |
975127ed |
51 | Revision 1.21 2002/04/27 07:43:08 morsch |
52 | Calculation of fDphi corrected (Renan Cabrera) |
53 | |
6fe407f0 |
54 | Revision 1.20 2002/03/12 01:06:23 pavlinov |
55 | Testin output from generator |
56 | |
b561574c |
57 | Revision 1.19 2002/02/27 00:46:33 pavlinov |
58 | Added method FillFromParticles() |
59 | |
c44ecd4c |
60 | Revision 1.18 2002/02/21 08:48:59 morsch |
61 | Correction in FillFromHitFlaggedTrack. (Jennifer Klay) |
62 | |
ff8fdf97 |
63 | Revision 1.17 2002/02/14 08:52:53 morsch |
64 | Major updates by Aleksei Pavlinov: |
65 | FillFromPartons, FillFromTracks, jetfinder configuration. |
66 | |
b7a73953 |
67 | Revision 1.16 2002/02/08 11:43:05 morsch |
68 | SetOutputFileName(..) allows to specify an output file to which the |
69 | reconstructed jets are written. If not set output goes to input file. |
70 | Attention call Init() before processing. |
71 | |
08a3fb06 |
72 | Revision 1.15 2002/02/02 08:37:18 morsch |
73 | Formula for rB corrected. |
74 | |
db5026bf |
75 | Revision 1.14 2002/02/01 08:55:30 morsch |
76 | Fill map with Et and pT. |
77 | |
f719d9b7 |
78 | Revision 1.13 2002/01/31 09:37:36 morsch |
79 | Geometry parameters in constructor and call of SetCellSize() |
80 | |
be9787fe |
81 | Revision 1.12 2002/01/23 13:40:23 morsch |
82 | Fastidious debug print statement removed. |
83 | |
e4717047 |
84 | Revision 1.11 2002/01/22 17:25:47 morsch |
85 | Some corrections for event mixing and bg event handling. |
86 | |
610f27c9 |
87 | Revision 1.10 2002/01/22 10:31:44 morsch |
88 | Some correction for bg mixing. |
89 | |
46955412 |
90 | Revision 1.9 2002/01/21 16:28:42 morsch |
91 | Correct sign of dphi. |
92 | |
f8f69f71 |
93 | Revision 1.8 2002/01/21 16:05:31 morsch |
94 | - different phi-bin for hadron correction |
95 | - provisions for background mixing. |
96 | |
ff114de3 |
97 | Revision 1.7 2002/01/21 15:47:18 morsch |
98 | Bending radius correctly in cm. |
99 | |
b3feface |
100 | Revision 1.6 2002/01/21 12:53:50 morsch |
101 | authors |
102 | |
0c207dbc |
103 | Revision 1.5 2002/01/21 12:47:47 morsch |
104 | Possibility to include K0long and neutrons. |
105 | |
d53b7b0b |
106 | Revision 1.4 2002/01/21 11:03:21 morsch |
107 | Phi propagation introduced in FillFromTracks. |
108 | |
26dadf3a |
109 | Revision 1.3 2002/01/18 05:07:56 morsch |
110 | - hadronic correction |
111 | - filling of digits |
112 | - track selection upon EMCAL information |
113 | |
d594b22e |
114 | */ |
115 | |
0c207dbc |
116 | //*-- Authors: Andreas Morsch (CERN) |
117 | //* J.L. Klay (LBL) |
118 | //* Aleksei Pavlinov (WSU) |
119 | |
c44ecd4c |
120 | #include <stdio.h> |
d594b22e |
121 | // From root ... |
b561574c |
122 | #include <TROOT.h> |
471f69dc |
123 | #include <TClonesArray.h> |
124 | #include <TTree.h> |
d594b22e |
125 | #include <TBranchElement.h> |
471f69dc |
126 | #include <TFile.h> |
c44ecd4c |
127 | #include <TH1.h> |
471f69dc |
128 | #include <TH2.h> |
c44ecd4c |
129 | #include <TArrayF.h> |
130 | #include <TCanvas.h> |
b561574c |
131 | #include <TList.h> |
c44ecd4c |
132 | #include <TPad.h> |
133 | #include <TPaveText.h> |
471f69dc |
134 | #include <TAxis.h> |
c44ecd4c |
135 | #include <TStyle.h> |
471f69dc |
136 | #include <TParticle.h> |
137 | #include <TParticlePDG.h> |
b561574c |
138 | #include <TPythia6Calls.h> |
d594b22e |
139 | |
140 | // From AliRoot ... |
471f69dc |
141 | #include "AliEMCALJetFinder.h" |
d594b22e |
142 | #include "AliEMCALFast.h" |
471f69dc |
143 | #include "AliEMCALGeometry.h" |
144 | #include "AliEMCALHit.h" |
d594b22e |
145 | #include "AliEMCALDigit.h" |
146 | #include "AliEMCALDigitizer.h" |
147 | #include "AliEMCALHadronCorrection.h" |
b561574c |
148 | #include "AliEMCALJetMicroDst.h" |
471f69dc |
149 | #include "AliRun.h" |
26dadf3a |
150 | #include "AliMagF.h" |
151 | #include "AliMagFCM.h" |
471f69dc |
152 | #include "AliEMCAL.h" |
153 | #include "AliHeader.h" |
d53b7b0b |
154 | #include "AliPDG.h" |
471f69dc |
155 | |
ff114de3 |
156 | // Interface to FORTRAN |
157 | #include "Ecommon.h" |
158 | |
159 | |
471f69dc |
160 | ClassImp(AliEMCALJetFinder) |
161 | |
162 | //____________________________________________________________________________ |
163 | AliEMCALJetFinder::AliEMCALJetFinder() |
164 | { |
165 | // Default constructor |
d594b22e |
166 | fJets = 0; |
167 | fNjets = 0; |
168 | fLego = 0; |
ff114de3 |
169 | fLegoB = 0; |
b561574c |
170 | |
d594b22e |
171 | fTrackList = 0; |
172 | fPtT = 0; |
173 | fEtaT = 0; |
174 | fPhiT = 0; |
975127ed |
175 | fPdgT = 0; |
176 | |
b561574c |
177 | fTrackListB = 0; |
ff114de3 |
178 | fPtB = 0; |
179 | fEtaB = 0; |
180 | fPhiB = 0; |
975127ed |
181 | fPdgB = 0; |
b561574c |
182 | |
b7a73953 |
183 | fHCorrection = 0; |
d594b22e |
184 | fHadronCorrector = 0; |
b7a73953 |
185 | |
c44ecd4c |
186 | fWrite = 0; |
08a3fb06 |
187 | fOutFileName = 0; |
188 | fOutFile = 0; |
189 | fInFile = 0; |
190 | fEvent = 0; |
b7a73953 |
191 | |
192 | SetParametersForBgSubtraction(); |
471f69dc |
193 | } |
194 | |
195 | AliEMCALJetFinder::AliEMCALJetFinder(const char* name, const char *title) |
196 | : TTask(name, title) |
197 | { |
198 | // Constructor |
c44ecd4c |
199 | // Title is used in method GetFileNameForParameters(); |
200 | // |
471f69dc |
201 | fJets = new TClonesArray("AliEMCALJet",10000); |
202 | fNjets = 0; |
d594b22e |
203 | for (Int_t i = 0; i < 30000; i++) |
471f69dc |
204 | { |
205 | fEtCell[i] = 0.; |
206 | fEtaCell[i] = 0.; |
207 | fPhiCell[i] = 0.; |
208 | } |
b561574c |
209 | fLego = 0; |
210 | fLegoB = 0; |
211 | |
ff114de3 |
212 | fTrackList = 0; |
213 | fPtT = 0; |
214 | fEtaT = 0; |
215 | fPhiT = 0; |
975127ed |
216 | fPdgT = 0; |
b561574c |
217 | |
218 | fTrackListB = 0; |
ff114de3 |
219 | fPtB = 0; |
220 | fEtaB = 0; |
221 | fPhiB = 0; |
975127ed |
222 | fPdgB = 0; |
b561574c |
223 | |
b7a73953 |
224 | fHCorrection = 0; |
225 | fHadronCorrector = 0; |
226 | fBackground = 0; |
c44ecd4c |
227 | fWrite = 0; |
08a3fb06 |
228 | fOutFileName = 0; |
229 | fOutFile = 0; |
230 | fInFile = 0; |
231 | fEvent = 0; |
0c207dbc |
232 | // |
d594b22e |
233 | SetPtCut(); |
234 | SetMomentumSmearing(); |
235 | SetEfficiencySim(); |
236 | SetDebug(); |
237 | SetHadronCorrection(); |
238 | SetSamplingFraction(); |
d53b7b0b |
239 | SetIncludeK0andN(); |
471f69dc |
240 | |
b7a73953 |
241 | SetParametersForBgSubtraction(); |
242 | } |
471f69dc |
243 | |
b7a73953 |
244 | void AliEMCALJetFinder::SetParametersForBgSubtraction |
245 | (Int_t mode, Float_t minMove, Float_t maxMove, Float_t precBg) |
246 | { |
247 | // see file /home/pavlinov/cosmic/pythia/jetFinderParamData.inc |
248 | // at WSU Linux cluster - 11-feb-2002 |
249 | // These parameters must be tuned more carefull !!! |
250 | SetMode(mode); |
251 | SetMinMove(minMove); |
252 | SetMaxMove(maxMove); |
253 | SetPrecBg(precBg); |
254 | } |
471f69dc |
255 | |
256 | //____________________________________________________________________________ |
257 | AliEMCALJetFinder::~AliEMCALJetFinder() |
258 | { |
259 | // Destructor |
260 | // |
261 | if (fJets){ |
262 | fJets->Delete(); |
263 | delete fJets; |
264 | } |
759ae494 |
265 | delete fLego; |
266 | delete fLegoB; |
267 | delete fhLegoTracks; |
268 | delete fhLegoEMCAL; |
269 | delete fhLegoHadrCorr; |
270 | delete fhEff; |
271 | delete fhCellEt; |
272 | delete fhCellEMCALEt; |
273 | delete fhTrackPt; |
274 | delete fhTrackPtBcut; |
275 | delete fhChPartMultInTpc; |
276 | |
277 | delete[] fTrackList; |
278 | delete[] fPtT; |
279 | delete[] fEtaT; |
280 | delete[] fPhiT; |
281 | delete[] fPdgT; |
282 | |
283 | delete[] fTrackListB; |
284 | delete[] fPtB; |
285 | delete[] fEtaB; |
286 | delete[] fPhiB; |
287 | delete[] fPdgB; |
471f69dc |
288 | } |
289 | |
471f69dc |
290 | #ifndef WIN32 |
291 | # define jet_finder_ua1 jet_finder_ua1_ |
292 | # define hf1 hf1_ |
293 | # define type_of_call |
294 | |
295 | #else |
975127ed |
296 | # define jet_finder_ua1 JET_FINDER_UA1 |
471f69dc |
297 | # define hf1 HF1 |
298 | # define type_of_call _stdcall |
299 | #endif |
300 | |
301 | extern "C" void type_of_call |
302 | jet_finder_ua1(Int_t& ncell, Int_t& ncell_tot, |
303 | Float_t etc[30000], Float_t etac[30000], |
304 | Float_t phic[30000], |
305 | Float_t& min_move, Float_t& max_move, Int_t& mode, |
306 | Float_t& prec_bg, Int_t& ierror); |
307 | |
308 | extern "C" void type_of_call hf1(Int_t& id, Float_t& x, Float_t& wgt); |
975127ed |
309 | |
471f69dc |
310 | |
08a3fb06 |
311 | void AliEMCALJetFinder::Init() |
312 | { |
313 | // |
314 | // Geometry and I/O initialization |
315 | // |
316 | // |
317 | // |
318 | // Get geometry parameters from EMCAL |
319 | // |
320 | // |
321 | // Geometry |
322 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
323 | AliEMCALGeometry* geom = |
324 | AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); |
325 | fNbinEta = geom->GetNZ(); |
326 | fNbinPhi = geom->GetNPhi(); |
327 | fPhiMin = geom->GetArm1PhiMin()*TMath::Pi()/180.; |
328 | fPhiMax = geom->GetArm1PhiMax()*TMath::Pi()/180.; |
329 | fEtaMin = geom->GetArm1EtaMin(); |
330 | fEtaMax = geom->GetArm1EtaMax(); |
6fe407f0 |
331 | fDphi = (fPhiMax-fPhiMin)/fNbinPhi; |
08a3fb06 |
332 | fDeta = (fEtaMax-fEtaMin)/fNbinEta; |
333 | fNtot = fNbinPhi*fNbinEta; |
334 | // |
335 | SetCellSize(fDeta, fDphi); |
336 | // |
337 | // I/O |
338 | if (fOutFileName) fOutFile = new TFile(fOutFileName, "recreate"); |
339 | } |
471f69dc |
340 | |
341 | void AliEMCALJetFinder::Find(Int_t ncell, Int_t ncell_tot, Float_t etc[30000], |
342 | Float_t etac[30000], Float_t phic[30000], |
343 | Float_t min_move, Float_t max_move, Int_t mode, |
344 | Float_t prec_bg, Int_t ierror) |
345 | { |
346 | // Wrapper for fortran coded jet finder |
347 | // Full argument list |
348 | jet_finder_ua1(ncell, ncell_tot, etc, etac, phic, |
349 | min_move, max_move, mode, prec_bg, ierror); |
350 | // Write result to output |
b7a73953 |
351 | if(fWrite) WriteJets(); |
352 | fEvent++; |
471f69dc |
353 | } |
354 | |
355 | void AliEMCALJetFinder::Find() |
356 | { |
357 | // Wrapper for fortran coded jet finder using member data for |
358 | // argument list |
359 | |
b7a73953 |
360 | Float_t min_move = fMinMove; |
361 | Float_t max_move = fMaxMove; |
362 | Int_t mode = fMode; |
363 | Float_t prec_bg = fPrecBg; |
364 | Int_t ierror; |
365 | |
366 | ResetJets(); // 4-feb-2002 by PAI |
471f69dc |
367 | |
368 | jet_finder_ua1(fNcell, fNtot, fEtCell, fEtaCell, fPhiCell, |
369 | min_move, max_move, mode, prec_bg, ierror); |
b7a73953 |
370 | fError = ierror; |
471f69dc |
371 | // Write result to output |
3bc109a9 |
372 | Int_t njet = Njets(); |
d594b22e |
373 | |
3bc109a9 |
374 | for (Int_t nj=0; nj<njet; nj++) |
375 | { |
d594b22e |
376 | |
3bc109a9 |
377 | fJetT[nj] = new AliEMCALJet(JetEnergy(nj), |
378 | JetPhiW(nj), |
379 | JetEtaW(nj)); |
380 | } |
b7a73953 |
381 | |
c44ecd4c |
382 | FindTracksInJetCone(); |
b7a73953 |
383 | if(fWrite) WriteJets(); |
08a3fb06 |
384 | fEvent++; |
471f69dc |
385 | } |
386 | |
471f69dc |
387 | Int_t AliEMCALJetFinder::Njets() |
388 | { |
389 | // Get number of reconstructed jets |
390 | return EMCALJETS.njet; |
391 | } |
392 | |
393 | Float_t AliEMCALJetFinder::JetEnergy(Int_t i) |
394 | { |
395 | // Get reconstructed jet energy |
396 | return EMCALJETS.etj[i]; |
397 | } |
398 | |
399 | Float_t AliEMCALJetFinder::JetPhiL(Int_t i) |
400 | { |
401 | // Get reconstructed jet phi from leading particle |
402 | return EMCALJETS.phij[0][i]; |
403 | } |
404 | |
405 | Float_t AliEMCALJetFinder::JetPhiW(Int_t i) |
406 | { |
407 | // Get reconstructed jet phi from weighting |
408 | return EMCALJETS.phij[1][i]; |
409 | } |
410 | |
411 | Float_t AliEMCALJetFinder::JetEtaL(Int_t i) |
412 | { |
413 | // Get reconstructed jet eta from leading particles |
414 | return EMCALJETS.etaj[0][i]; |
415 | } |
416 | |
417 | |
418 | Float_t AliEMCALJetFinder::JetEtaW(Int_t i) |
419 | { |
420 | // Get reconstructed jet eta from weighting |
421 | return EMCALJETS.etaj[1][i]; |
422 | } |
423 | |
424 | void AliEMCALJetFinder::SetCellSize(Float_t eta, Float_t phi) |
425 | { |
426 | // Set grid cell size |
427 | EMCALCELLGEO.etaCellSize = eta; |
428 | EMCALCELLGEO.phiCellSize = phi; |
429 | } |
430 | |
431 | void AliEMCALJetFinder::SetConeRadius(Float_t par) |
432 | { |
433 | // Set jet cone radius |
434 | EMCALJETPARAM.coneRad = par; |
3bc109a9 |
435 | fConeRadius = par; |
471f69dc |
436 | } |
437 | |
438 | void AliEMCALJetFinder::SetEtSeed(Float_t par) |
439 | { |
440 | // Set et cut for seeds |
441 | EMCALJETPARAM.etSeed = par; |
d594b22e |
442 | fEtSeed = par; |
471f69dc |
443 | } |
444 | |
445 | void AliEMCALJetFinder::SetMinJetEt(Float_t par) |
446 | { |
447 | // Set minimum jet et |
448 | EMCALJETPARAM.ejMin = par; |
d594b22e |
449 | fMinJetEt = par; |
471f69dc |
450 | } |
451 | |
452 | void AliEMCALJetFinder::SetMinCellEt(Float_t par) |
453 | { |
454 | // Set et cut per cell |
455 | EMCALJETPARAM.etMin = par; |
d594b22e |
456 | fMinCellEt = par; |
471f69dc |
457 | } |
458 | |
3bc109a9 |
459 | void AliEMCALJetFinder::SetPtCut(Float_t par) |
460 | { |
461 | // Set pT cut on charged tracks |
462 | fPtCut = par; |
463 | } |
464 | |
471f69dc |
465 | |
466 | void AliEMCALJetFinder::Test() |
467 | { |
468 | // |
469 | // Test the finder call |
470 | // |
471 | const Int_t nmax = 30000; |
472 | Int_t ncell = 10; |
473 | Int_t ncell_tot = 100; |
474 | |
475 | Float_t etc[nmax]; |
476 | Float_t etac[nmax]; |
477 | Float_t phic[nmax]; |
478 | Float_t min_move = 0; |
479 | Float_t max_move = 0; |
480 | Int_t mode = 0; |
481 | Float_t prec_bg = 0; |
482 | Int_t ierror = 0; |
483 | |
484 | |
485 | Find(ncell, ncell_tot, etc, etac, phic, |
486 | min_move, max_move, mode, prec_bg, ierror); |
487 | |
488 | } |
489 | |
490 | // |
491 | // I/O |
492 | // |
493 | |
494 | void AliEMCALJetFinder::AddJet(const AliEMCALJet& jet) |
495 | { |
496 | // |
497 | // Add a jet |
498 | // |
499 | TClonesArray &lrawcl = *fJets; |
500 | new(lrawcl[fNjets++]) AliEMCALJet(jet); |
501 | } |
502 | |
503 | void AliEMCALJetFinder::ResetJets() |
504 | { |
505 | // |
506 | // Reset Jet List |
507 | // |
508 | fJets->Clear(); |
509 | fNjets = 0; |
510 | } |
511 | |
512 | void AliEMCALJetFinder::WriteJets() |
513 | { |
514 | // |
515 | // Add all jets to the list |
516 | // |
517 | const Int_t kBufferSize = 4000; |
08a3fb06 |
518 | const char* file = 0; |
519 | |
471f69dc |
520 | Int_t njet = Njets(); |
08a3fb06 |
521 | |
3bc109a9 |
522 | for (Int_t nj = 0; nj < njet; nj++) |
471f69dc |
523 | { |
3bc109a9 |
524 | AddJet(*fJetT[nj]); |
525 | delete fJetT[nj]; |
471f69dc |
526 | } |
3bc109a9 |
527 | |
08a3fb06 |
528 | // I/O |
529 | if (!fOutFileName) { |
530 | // |
531 | // output written to input file |
532 | // |
533 | AliEMCAL* pEMCAL = (AliEMCAL* )gAlice->GetModule("EMCAL"); |
534 | TTree* pK = gAlice->TreeK(); |
535 | file = (pK->GetCurrentFile())->GetName(); |
536 | if (fDebug > 1) |
537 | printf("Make Branch - TreeR address %p %p\n",gAlice->TreeR(), pEMCAL); |
538 | if (fJets && gAlice->TreeR()) { |
539 | pEMCAL->MakeBranchInTree(gAlice->TreeR(), |
540 | "EMCALJets", |
541 | &fJets, |
542 | kBufferSize, |
543 | file); |
544 | } |
545 | Int_t nev = gAlice->GetHeader()->GetEvent(); |
546 | gAlice->TreeR()->Fill(); |
547 | char hname[30]; |
548 | sprintf(hname,"TreeR%d", nev); |
549 | gAlice->TreeR()->Write(hname); |
550 | gAlice->TreeR()->Reset(); |
551 | } else { |
552 | // |
553 | // Output written to user specified output file |
554 | // |
555 | TTree* pK = gAlice->TreeK(); |
556 | fInFile = pK->GetCurrentFile(); |
557 | |
558 | fOutFile->cd(); |
559 | char hname[30]; |
560 | sprintf(hname,"TreeR%d", fEvent); |
561 | TTree* treeJ = new TTree(hname, "EMCALJets"); |
562 | treeJ->Branch("EMCALJets", &fJets, kBufferSize); |
563 | treeJ->Fill(); |
564 | treeJ->Write(hname); |
565 | fInFile->cd(); |
566 | } |
471f69dc |
567 | ResetJets(); |
568 | } |
569 | |
570 | void AliEMCALJetFinder::BookLego() |
571 | { |
572 | // |
573 | // Book histo for discretisation |
574 | // |
be9787fe |
575 | |
610f27c9 |
576 | // |
577 | // Don't add histos to the current directory |
b561574c |
578 | if(fDebug) printf("\n AliEMCALJetFinder::BookLego() \n"); |
579 | |
396840bb |
580 | TH2::AddDirectory(0); |
581 | TH1::AddDirectory(0); |
b561574c |
582 | gROOT->cd(); |
471f69dc |
583 | // |
46955412 |
584 | // Signal map |
471f69dc |
585 | fLego = new TH2F("legoH","eta-phi", |
be9787fe |
586 | fNbinEta, fEtaMin, fEtaMax, |
587 | fNbinPhi, fPhiMin, fPhiMax); |
46955412 |
588 | // |
589 | // Background map |
b561574c |
590 | fLegoB = new TH2F("legoB","eta-phi for BG event", |
be9787fe |
591 | fNbinEta, fEtaMin, fEtaMax, |
592 | fNbinPhi, fPhiMin, fPhiMax); |
c44ecd4c |
593 | |
594 | // Tracks map |
595 | fhLegoTracks = new TH2F("hLegoTracks","eta-phi for Tracks", |
596 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); |
597 | // EMCAL map |
598 | fhLegoEMCAL = new TH2F("hLegoEMCAL","eta-phi for EMCAL", |
599 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); |
600 | // Hadron correction map |
601 | fhLegoHadrCorr = new TH2F("hLegoHadrCorr","eta-phi for Hadron. Correction", |
602 | fNbinEta, fEtaMin, fEtaMax, fNbinPhi, fPhiMin, fPhiMax); |
603 | // Hists. for tuning jet finder |
604 | fhEff = new TH2F("hEff","#epsilon vs momentum ", 100,0.,20., 50,0.5,1.); |
605 | |
606 | TArrayF eTmp(1101); |
607 | eTmp[0] = 0.0; |
608 | for(Int_t i=1; i<=1000; i++) eTmp[i] = 0.1*i; // step 100 mev |
609 | for(Int_t i=1001; i<=1100; i++) eTmp[i] = eTmp[1000] + 1.0*(i-1000); // step 1GeV |
610 | |
611 | fhCellEt = new TH1F("hCellEt","Cell E_{T} from fLego", |
612 | eTmp.GetSize()-1, eTmp.GetArray()); |
613 | fhCellEMCALEt = new TH1F("hCellEMCALEt","Cell E_{T} for EMCAL itself", |
614 | eTmp.GetSize()-1, eTmp.GetArray()); |
615 | fhTrackPt = new TH1F("hTrackPt","Ch.particles P_{T} ", |
616 | eTmp.GetSize()-1, eTmp.GetArray()); |
617 | fhTrackPtBcut = new TH1F("hTrackPtBcut","Ch.particles P_{T} + magnetic field cut", |
618 | eTmp.GetSize()-1, eTmp.GetArray()); |
b561574c |
619 | |
620 | fhChPartMultInTpc = new TH1F("hChPartMultInTpc", |
621 | "Charge partilcle multiplicity in |%eta|<0.9", 2000, 0, 20000); |
622 | |
623 | //! first canvas for drawing |
624 | fHistsList=AliEMCALJetMicroDst::MoveHistsToList("Hists from AliEMCALJetFinder", kTRUE); |
471f69dc |
625 | } |
626 | |
627 | void AliEMCALJetFinder::DumpLego() |
628 | { |
629 | // |
630 | // Dump lego histo into array |
631 | // |
632 | fNcell = 0; |
b7a73953 |
633 | TAxis* Xaxis = fLego->GetXaxis(); |
634 | TAxis* Yaxis = fLego->GetYaxis(); |
c44ecd4c |
635 | // fhCellEt->Clear(); |
636 | Float_t e, eH; |
637 | for (Int_t i = 1; i <= fNbinEta; i++) { |
638 | for (Int_t j = 1; j <= fNbinPhi; j++) { |
639 | e = fLego->GetBinContent(i,j); |
640 | if (e > 0.0) { |
641 | Float_t eta = Xaxis->GetBinCenter(i); |
642 | Float_t phi = Yaxis->GetBinCenter(j); |
643 | fEtCell[fNcell] = e; |
644 | fEtaCell[fNcell] = eta; |
645 | fPhiCell[fNcell] = phi; |
646 | fNcell++; |
647 | fhCellEt->Fill(e); |
648 | } |
649 | if(fhLegoEMCAL) { |
650 | eH = fhLegoEMCAL->GetBinContent(i,j); |
651 | if(eH > 0.0) fhCellEMCALEt->Fill(eH); |
652 | } |
471f69dc |
653 | } // phi |
654 | } // eta |
655 | fNcell--; |
656 | } |
657 | |
658 | void AliEMCALJetFinder::ResetMap() |
659 | { |
660 | // |
661 | // Reset eta-phi array |
662 | |
663 | for (Int_t i=0; i<30000; i++) |
664 | { |
665 | fEtCell[i] = 0.; |
666 | fEtaCell[i] = 0.; |
667 | fPhiCell[i] = 0.; |
668 | } |
669 | } |
670 | |
671 | |
672 | void AliEMCALJetFinder::FillFromTracks(Int_t flag, Int_t ich) |
673 | { |
674 | // |
d594b22e |
675 | // Fill Cells with track information |
471f69dc |
676 | // |
b7a73953 |
677 | if (fDebug >= 2) |
678 | printf("\n AliEMCALJetFinder::FillFromTracks(%i,%i) ",flag,ich); |
b561574c |
679 | fNChTpc = 0; |
b7a73953 |
680 | |
471f69dc |
681 | ResetMap(); |
682 | |
683 | if (!fLego) BookLego(); |
684 | // Reset |
685 | if (flag == 0) fLego->Reset(); |
686 | // |
687 | // Access particle information |
688 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
b561574c |
689 | Int_t ntr = (gAlice->GetHeader())->GetNtrack(); |
690 | printf(" : #primary particles %i # tracks %i \n", npart, ntr); |
b7a73953 |
691 | |
3bc109a9 |
692 | // Create track list |
693 | // |
694 | // 0: not selected |
695 | // 1: selected for jet finding |
696 | // 2: inside jet |
697 | // .... |
698 | if (fTrackList) delete[] fTrackList; |
699 | if (fPtT) delete[] fPtT; |
700 | if (fEtaT) delete[] fEtaT; |
701 | if (fPhiT) delete[] fPhiT; |
975127ed |
702 | if (fPdgT) delete[] fPdgT; |
3bc109a9 |
703 | |
704 | fTrackList = new Int_t [npart]; |
705 | fPtT = new Float_t[npart]; |
706 | fEtaT = new Float_t[npart]; |
707 | fPhiT = new Float_t[npart]; |
975127ed |
708 | fPdgT = new Int_t[npart]; |
ff114de3 |
709 | |
b561574c |
710 | fNt = npart; |
ff114de3 |
711 | fNtS = 0; |
b7a73953 |
712 | Float_t chTmp=0.0; // charge of current particle |
b561574c |
713 | // Int_t idGeant; |
ff114de3 |
714 | |
b561574c |
715 | // this is for Pythia ?? |
c44ecd4c |
716 | for (Int_t part = 0; part < npart; part++) { |
471f69dc |
717 | TParticle *MPart = gAlice->Particle(part); |
718 | Int_t mpart = MPart->GetPdgCode(); |
719 | Int_t child1 = MPart->GetFirstDaughter(); |
720 | Float_t pT = MPart->Pt(); |
d594b22e |
721 | Float_t p = MPart->P(); |
471f69dc |
722 | Float_t phi = MPart->Phi(); |
c44ecd4c |
723 | Float_t eta = -100.; |
724 | if(pT > 0.001) eta = MPart->Eta(); |
b7a73953 |
725 | Float_t theta = MPart->Theta(); |
b561574c |
726 | if (fDebug>=2) { |
727 | printf("ind %7i part %7i -> child1 %5i child2 %5i Status %5i\n", |
728 | part, mpart, child1, MPart->GetLastDaughter(), MPart->GetStatusCode()); |
729 | } |
46955412 |
730 | |
b561574c |
731 | if (fDebug >= 2) { |
d594b22e |
732 | if (part == 6 || part == 7) |
733 | { |
610f27c9 |
734 | printf("\n Simulated Jet (pt, eta, phi): %d %f %f %f\n", |
d594b22e |
735 | part-5, pT, eta, phi); |
736 | } |
737 | |
738 | // if (mpart == 21) |
739 | |
740 | // printf("\n Simulated Jet (pt, eta, phi): %d %d %f %f %f", |
741 | // part, mpart, pT, eta, phi); |
742 | } |
743 | |
b7a73953 |
744 | fTrackList[part] = 0; |
745 | fPtT[part] = pT; // must be change after correction for resolution !!! |
3bc109a9 |
746 | fEtaT[part] = eta; |
747 | fPhiT[part] = phi; |
975127ed |
748 | fPdgT[part] = mpart; |
749 | |
3bc109a9 |
750 | |
751 | if (part < 2) continue; |
b7a73953 |
752 | |
753 | // move to fLego->Fill because hadron correction must apply |
754 | // if particle hit to EMCAL - 11-feb-2002 |
755 | // if (pT == 0 || pT < fPtCut) continue; |
26dadf3a |
756 | TParticlePDG* pdgP = 0; |
471f69dc |
757 | // charged or neutral |
b7a73953 |
758 | pdgP = MPart->GetPDG(); |
759 | chTmp = pdgP->Charge() / 3.; // 13-feb-2001!! |
759ae494 |
760 | |
471f69dc |
761 | if (ich == 0) { |
b7a73953 |
762 | if (chTmp == 0) { |
763 | if (!fK0N) { |
d53b7b0b |
764 | continue; |
765 | } else { |
766 | if (mpart != kNeutron && |
767 | mpart != kNeutronBar && |
768 | mpart != kK0Long) continue; |
769 | } |
770 | } |
b7a73953 |
771 | } |
759ae494 |
772 | |
471f69dc |
773 | // skip partons |
774 | if (TMath::Abs(mpart) <= 6 || |
775 | mpart == 21 || |
776 | mpart == 92) continue; |
b561574c |
777 | |
778 | if (TMath::Abs(eta)<=0.9) fNChTpc++; |
779 | // final state only |
780 | if (child1 >= 0 && child1 < npart) continue; |
471f69dc |
781 | // acceptance cut |
759ae494 |
782 | if (eta > fEtaMax || eta < fEtaMin) continue; |
783 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
d594b22e |
784 | // |
b561574c |
785 | if (fDebug >= 3) |
b7a73953 |
786 | printf("\n=>nsel:%5d mpart %5d child1 %5d eta %6.2f phi %6.2f pT %6.2f ch %3.0f ", |
787 | part, mpart, child1, eta, phi, pT, chTmp); |
26dadf3a |
788 | // |
26dadf3a |
789 | // |
d594b22e |
790 | // Momentum smearing goes here ... |
791 | // |
c44ecd4c |
792 | fhTrackPt->Fill(pT); |
b7a73953 |
793 | Float_t pw; |
794 | if (fSmear && TMath::Abs(chTmp)) { |
795 | pw = AliEMCALFast::SmearMomentum(1,p); |
796 | // p changed - take into account when calculate pT, |
797 | // pz and so on .. ? |
798 | pT = (pw/p) * pT; |
b561574c |
799 | if(fDebug >= 4) printf("\n Smearing : p %8.4f change to %8.4f ", p, pw); |
b7a73953 |
800 | p = pw; |
d594b22e |
801 | } |
802 | // |
803 | // Tracking Efficiency and TPC acceptance goes here ... |
c44ecd4c |
804 | Float_t eff; |
b7a73953 |
805 | if (fEffic && TMath::Abs(chTmp)) { |
c44ecd4c |
806 | // eff = AliEMCALFast::Efficiency(1,p); |
807 | eff = 0.95; // for testing 25-feb-2002 |
808 | if(fhEff) fhEff->Fill(p, eff); |
b7a73953 |
809 | if (AliEMCALFast::RandomReject(eff)) { |
b561574c |
810 | if(fDebug >= 5) printf(" reject due to unefficiency "); |
b7a73953 |
811 | continue; |
812 | } |
d594b22e |
813 | } |
814 | // |
815 | // Correction of Hadronic Energy goes here ... |
816 | // |
b7a73953 |
817 | // |
818 | // phi propagation for hadronic correction |
819 | |
820 | Bool_t curls = kFALSE; // hit two the EMCAL (no curl) |
c44ecd4c |
821 | Float_t phiHC=0.0, dpH=0.0, dphi=0.0, eTdpH=0; |
b7a73953 |
822 | if(TMath::Abs(chTmp)) { |
823 | // hadr. correction only for charge particle |
824 | dphi = PropagatePhi(pT, chTmp, curls); |
825 | phiHC = phi + dphi; |
b561574c |
826 | if (fDebug >= 6) { |
b7a73953 |
827 | printf("\n Delta phi %f pT %f ", dphi, pT); |
828 | if (curls) printf("\n !! Track is curling"); |
829 | } |
c44ecd4c |
830 | if(!curls) fhTrackPtBcut->Fill(pT); |
ff114de3 |
831 | |
b7a73953 |
832 | if (fHCorrection && !curls) { |
833 | if (!fHadronCorrector) |
834 | Fatal("AliEMCALJetFinder", |
d594b22e |
835 | "Hadronic energy correction required but not defined !"); |
b7a73953 |
836 | |
c44ecd4c |
837 | dpH = fHadronCorrector->GetEnergy(p, eta, 7); |
838 | eTdpH = dpH*TMath::Sin(theta); |
b7a73953 |
839 | |
b561574c |
840 | if (fDebug >= 7) printf(" phi %f phiHC %f eTcorr %f\n", |
c44ecd4c |
841 | phi, phiHC, -eTdpH); // correction is negative |
842 | fLego->Fill(eta, phiHC, -eTdpH); |
843 | fhLegoHadrCorr->Fill(eta, phiHC, eTdpH); |
b7a73953 |
844 | } |
845 | } |
d594b22e |
846 | // |
847 | // More to do ? Just think about it ! |
848 | // |
759ae494 |
849 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
b7a73953 |
850 | |
851 | if(TMath::Abs(chTmp) ) { // charge particle |
852 | if (pT > fPtCut && !curls) { |
759ae494 |
853 | if (fDebug >= 8) printf("Charge : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", |
854 | eta , phi, pT, fNtS); |
b7a73953 |
855 | fLego->Fill(eta, phi, pT); |
c44ecd4c |
856 | fhLegoTracks->Fill(eta, phi, pT); // 20-feb for checking |
b7a73953 |
857 | fTrackList[part] = 1; |
858 | fNtS++; |
859 | } |
c44ecd4c |
860 | } else if(ich==0 && fK0N) { |
b7a73953 |
861 | // case of n, nbar and K0L |
759ae494 |
862 | if (fDebug >= 9) printf("Neutral : fLego->Fill(%5.2f, %5.2f, %6.2f, %d)\n", |
863 | eta , phi, pT, fNtS); |
b7a73953 |
864 | fLego->Fill(eta, phi, pT); |
865 | fTrackList[part] = 1; |
866 | fNtS++; |
867 | } |
868 | |
c44ecd4c |
869 | } // primary loop |
471f69dc |
870 | DumpLego(); |
871 | } |
872 | |
873 | void AliEMCALJetFinder::FillFromHits(Int_t flag) |
874 | { |
875 | // |
d594b22e |
876 | // Fill Cells with hit information |
471f69dc |
877 | // |
878 | // |
b7a73953 |
879 | if (fDebug >= 2) |
880 | printf("\n AliEMCALJetFinder::FillFromHits(%i)\n",flag); |
881 | |
471f69dc |
882 | ResetMap(); |
883 | |
884 | if (!fLego) BookLego(); |
c44ecd4c |
885 | // Reset eta-phi maps if needed |
886 | if (flag == 0) { // default behavior |
887 | fLego->Reset(); |
888 | fhLegoTracks->Reset(); |
889 | fhLegoEMCAL->Reset(); |
890 | fhLegoHadrCorr->Reset(); |
891 | } |
ff114de3 |
892 | // Initialize from background event if available |
471f69dc |
893 | // |
894 | // Access hit information |
895 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
471f69dc |
896 | TTree *treeH = gAlice->TreeH(); |
897 | Int_t ntracks = (Int_t) treeH->GetEntries(); |
898 | // |
899 | // Loop over tracks |
900 | // |
901 | Int_t nbytes = 0; |
c44ecd4c |
902 | Double_t etH = 0.0; |
471f69dc |
903 | |
471f69dc |
904 | for (Int_t track=0; track<ntracks;track++) { |
905 | gAlice->ResetHits(); |
906 | nbytes += treeH->GetEvent(track); |
907 | // |
908 | // Loop over hits |
909 | // |
910 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); |
911 | mHit; |
912 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) |
913 | { |
914 | Float_t x = mHit->X(); // x-pos of hit |
915 | Float_t y = mHit->Y(); // y-pos |
916 | Float_t z = mHit->Z(); // z-pos |
917 | Float_t eloss = mHit->GetEnergy(); // deposited energy |
d594b22e |
918 | |
919 | Float_t r = TMath::Sqrt(x*x+y*y); |
920 | Float_t theta = TMath::ATan2(r,z); |
921 | Float_t eta = -TMath::Log(TMath::Tan(theta/2.)); |
922 | Float_t phi = TMath::ATan2(y,x); |
610f27c9 |
923 | |
b7a73953 |
924 | if (fDebug >= 11) printf("\n Hit %f %f %f %f", x, y, z, eloss); |
759ae494 |
925 | // printf("\n Hit %f %f %f %f", x, y, z, eloss); |
610f27c9 |
926 | |
c44ecd4c |
927 | etH = fSamplingF*eloss*TMath::Sin(theta); |
928 | fLego->Fill(eta, phi, etH); |
929 | // fhLegoEMCAL->Fill(eta, phi, etH); |
471f69dc |
930 | } // Hit Loop |
931 | } // Track Loop |
c44ecd4c |
932 | // copy content of fLego to fhLegoEMCAL (fLego and fhLegoEMCAL are identical) |
933 | for(Int_t i=0; i<fLego->GetSize(); i++) (*fhLegoEMCAL)[i] = (*fLego)[i]; |
934 | // DumpLego(); ?? |
471f69dc |
935 | } |
936 | |
d594b22e |
937 | void AliEMCALJetFinder::FillFromDigits(Int_t flag) |
938 | { |
939 | // |
940 | // Fill Cells with digit information |
941 | // |
942 | // |
943 | ResetMap(); |
944 | |
945 | if (!fLego) BookLego(); |
946 | if (flag == 0) fLego->Reset(); |
947 | Int_t nbytes; |
948 | |
949 | |
950 | // |
951 | // Connect digits |
952 | // |
953 | TClonesArray* digs = new TClonesArray("AliEMCALDigit", 10000); |
954 | TTree *treeD = gAlice->TreeD(); |
955 | TBranchElement* branchDg = (TBranchElement*) |
956 | treeD->GetBranch("EMCAL"); |
957 | |
958 | if (!branchDg) Fatal("AliEMCALJetFinder", |
959 | "Reading digits requested but no digits in file !"); |
960 | |
961 | branchDg->SetAddress(&digs); |
962 | Int_t nent = (Int_t) branchDg->GetEntries(); |
963 | // |
964 | // Connect digitizer |
965 | // |
966 | AliEMCALDigitizer* digr = new AliEMCALDigitizer(); |
967 | TBranchElement* branchDr = (TBranchElement*) |
968 | treeD->GetBranch("AliEMCALDigitizer"); |
969 | branchDr->SetAddress(&digr); |
970 | // |
971 | // |
972 | nbytes += branchDg->GetEntry(0); |
973 | nbytes += branchDr->GetEntry(0); |
974 | // |
975 | // Get digitizer parameters |
8a19c971 |
976 | Float_t preADCped = digr->GetPREpedestal(); |
977 | Float_t preADCcha = digr->GetPREchannel(); |
978 | Float_t ecADCped = digr->GetECpedestal(); |
979 | Float_t ecADCcha = digr->GetECchannel(); |
980 | Float_t hcADCped = digr->GetHCpedestal(); |
981 | Float_t hcADCcha = digr->GetHCchannel(); |
d594b22e |
982 | |
983 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
984 | AliEMCALGeometry* geom = |
985 | AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); |
986 | |
987 | if (fDebug) { |
988 | Int_t ndig = digs->GetEntries(); |
8a19c971 |
989 | Info("FillFromDigits","Number of Digits: %d %d\n Parameters: PRE : %f %f EC: %f %f HC: %f %f\n Geometry: %d %d", |
990 | ndig, nent, preADCped, preADCcha, ecADCped, ecADCcha, hcADCped, hcADCcha, geom->GetNEta(), geom->GetNPhi()); |
d594b22e |
991 | } |
992 | |
993 | // |
994 | // Loop over digits |
995 | AliEMCALDigit* sdg; |
996 | TIter next(digs); |
997 | while ((sdg = (AliEMCALDigit*)(next()))) |
998 | { |
8a19c971 |
999 | Double_t pedestal = 0.; |
1000 | Double_t channel = 0.; |
1001 | if (geom->IsInPRE(sdg->GetId())) { |
1002 | pedestal = preADCped; |
1003 | channel = preADCcha; |
1004 | } |
1005 | else if (geom->IsInECAL(sdg->GetId())) { |
1006 | pedestal = ecADCped; |
1007 | channel = ecADCcha; |
1008 | } |
1009 | else if (geom->IsInHCAL(sdg->GetId())) { |
1010 | pedestal = hcADCped; |
1011 | channel = hcADCcha; |
d594b22e |
1012 | } |
8a19c971 |
1013 | else |
1014 | Fatal("FillFromDigits", "unexpected digit is number!") ; |
d594b22e |
1015 | |
1016 | Float_t eta = sdg->GetEta(); |
1017 | Float_t phi = sdg->GetPhi() * TMath::Pi()/180.; |
1018 | Float_t amp = (Float_t) (channel*(sdg->GetAmp())-pedestal); |
1019 | |
8a19c971 |
1020 | if (fDebug > 1) |
1021 | Info("FillFromDigits", "Digit: eta %8.3f phi %8.3f amp %8.3f %8d", |
d594b22e |
1022 | eta, phi, amp, sdg->GetAmp()); |
1023 | |
1024 | fLego->Fill(eta, phi, fSamplingF*amp); |
1025 | } // digit loop |
1026 | // |
1027 | // Dump lego hist |
1028 | DumpLego(); |
1029 | } |
1030 | |
1031 | |
1032 | void AliEMCALJetFinder::FillFromHitFlaggedTracks(Int_t flag) |
1033 | { |
1034 | // |
1035 | // Fill Cells with hit information |
1036 | // |
1037 | // |
1038 | ResetMap(); |
1039 | |
1040 | if (!fLego) BookLego(); |
1041 | // Reset |
1042 | if (flag == 0) fLego->Reset(); |
1043 | |
ff114de3 |
1044 | // Flag charged tracks passing through TPC which |
1045 | // are associated to EMCAL Hits |
d594b22e |
1046 | BuildTrackFlagTable(); |
1047 | |
1048 | // |
1049 | // Access particle information |
ff8fdf97 |
1050 | TTree *treeK = gAlice->TreeK(); |
1051 | Int_t ntracks = (Int_t) treeK->GetEntries(); |
d594b22e |
1052 | |
ff114de3 |
1053 | if (fPtT) delete[] fPtT; |
1054 | if (fEtaT) delete[] fEtaT; |
1055 | if (fPhiT) delete[] fPhiT; |
975127ed |
1056 | if (fPdgT) delete[] fPdgT; |
ff114de3 |
1057 | |
d594b22e |
1058 | fPtT = new Float_t[ntracks]; |
1059 | fEtaT = new Float_t[ntracks]; |
1060 | fPhiT = new Float_t[ntracks]; |
975127ed |
1061 | fPdgT = new Int_t[ntracks]; |
d594b22e |
1062 | |
ff114de3 |
1063 | fNt = ntracks; |
1064 | fNtS = 0; |
1065 | |
d594b22e |
1066 | for (Int_t track = 0; track < ntracks; track++) { |
1067 | TParticle *MPart = gAlice->Particle(track); |
1068 | Float_t pT = MPart->Pt(); |
1069 | Float_t phi = MPart->Phi(); |
1070 | Float_t eta = MPart->Eta(); |
1071 | |
1072 | if(fTrackList[track]) { |
1073 | fPtT[track] = pT; |
1074 | fEtaT[track] = eta; |
1075 | fPhiT[track] = phi; |
975127ed |
1076 | fPdgT[track] = MPart->GetPdgCode(); |
1077 | |
d594b22e |
1078 | if (track < 2) continue; //Colliding particles? |
1079 | if (pT == 0 || pT < fPtCut) continue; |
ff114de3 |
1080 | fNtS++; |
d594b22e |
1081 | fLego->Fill(eta, phi, pT); |
1082 | } |
1083 | } // track loop |
1084 | DumpLego(); |
1085 | } |
1086 | |
c44ecd4c |
1087 | void AliEMCALJetFinder::FillFromParticles() |
1088 | { |
1089 | // 26-feb-2002 PAI - for checking all chain |
1090 | // Work on particles level; accept all particle (not neutrino ) |
1091 | |
b561574c |
1092 | Double_t PX=0, PY=0, PZ=0, E=0; // checking conservation law |
1093 | fNChTpc = 0; |
c44ecd4c |
1094 | |
1095 | ResetMap(); |
1096 | if (!fLego) BookLego(); |
1097 | fLego->Reset(); |
1098 | // |
1099 | // Access particles information |
1100 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
1101 | if (fDebug >= 2 || npart<=0) { |
b561574c |
1102 | printf(" AliEMCALJetFinder::FillFromParticles : npart %i\n", npart); |
1103 | if(npart<=0) return; |
c44ecd4c |
1104 | } |
1105 | fNt = npart; |
1106 | fNtS = 0; |
1107 | RearrangeParticlesMemory(npart); |
1108 | |
1109 | // Go through the particles |
b561574c |
1110 | Int_t mpart, child1, child2, geantPdg; |
1111 | Float_t pT, phi, eta, e=0, px=0, py=0, pz=0; |
c44ecd4c |
1112 | TParticle *MPart=0; |
1113 | for (Int_t part = 0; part < npart; part++) { |
1114 | |
1115 | fTrackList[part] = 0; |
c44ecd4c |
1116 | |
1117 | MPart = gAlice->Particle(part); |
1118 | mpart = MPart->GetPdgCode(); |
1119 | child1 = MPart->GetFirstDaughter(); |
b561574c |
1120 | child2 = MPart->GetLastDaughter(); |
c44ecd4c |
1121 | pT = MPart->Pt(); |
1122 | phi = MPart->Phi(); |
1123 | eta = MPart->Eta(); |
b561574c |
1124 | |
1125 | px = MPart->Px(); |
1126 | py = MPart->Py(); |
1127 | pz = MPart->Pz(); |
1128 | e = MPart->Energy(); |
1129 | |
1130 | // see pyedit in Pythia's text |
975127ed |
1131 | geantPdg = mpart; |
975127ed |
1132 | if (IsThisPartonsOrDiQuark(mpart)) continue; |
1133 | printf("%5i: %5i(%2i) px %5.1f py %5.1f pz %6.1f e %6.1f childs %5i,%5i \n", |
1134 | part, mpart, geantPdg, px, py, pz, e, child1, child2); |
c44ecd4c |
1135 | |
1136 | // exclude partons (21 - gluon, 92 - string) |
975127ed |
1137 | |
1138 | |
c44ecd4c |
1139 | // exclude neutrinous also ?? |
b561574c |
1140 | if (fDebug >= 11 && pT>0.01) |
1141 | printf("\n part:%5d mpart %5d eta %9.2f phi %9.2f pT %9.2f ", |
c44ecd4c |
1142 | part, mpart, eta, phi, pT); |
1143 | |
1144 | fPtT[part] = pT; |
1145 | fEtaT[part] = eta; |
1146 | fPhiT[part] = phi; |
975127ed |
1147 | fPdgT[part] = mpart; |
759ae494 |
1148 | fNtS++; |
975127ed |
1149 | |
b561574c |
1150 | // final state only |
1151 | if (child1 >= 0 && child1 < npart) continue; |
1152 | |
1153 | // printf("%4i -> %5i(%3i) px %6.1f py %6.1f pz %7.1f e %8.2f child1 %5i %s\n", |
1154 | // part, mpart, geantPdg, px, py, pz, e, child1, name.Data()); |
1155 | PX += px; |
1156 | PY += py; |
1157 | PZ += pz; |
1158 | E += e; |
1159 | |
1160 | |
1161 | if (TMath::Abs(eta) <= 0.9) fNChTpc++; |
c44ecd4c |
1162 | // acceptance cut |
759ae494 |
1163 | if (eta > fEtaMax || eta < fEtaMin) continue; |
1164 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
c44ecd4c |
1165 | // |
1166 | if(fK0N==0 ) { // exclude neutral hadrons |
1167 | if (mpart == kNeutron || mpart == kNeutronBar || mpart == kK0Long) continue; |
1168 | } |
1169 | fTrackList[part] = 1; |
1170 | fLego->Fill(eta, phi, pT); |
1171 | |
1172 | } // primary loop |
b561574c |
1173 | printf("\n PX %8.2f PY %8.2f PZ %8.2f E %8.2f \n", |
1174 | PX, PY, PZ, E); |
c44ecd4c |
1175 | DumpLego(); |
b561574c |
1176 | if(fhChPartMultInTpc) fhChPartMultInTpc->Fill(fNChTpc); |
c44ecd4c |
1177 | } |
1178 | |
b7a73953 |
1179 | void AliEMCALJetFinder::FillFromPartons() |
1180 | { |
1181 | // function under construction - 13-feb-2002 PAI |
1182 | |
1183 | if (fDebug >= 2) |
1184 | printf("\n AliEMCALJetFinder::FillFromPartons()\n"); |
1185 | // |
1186 | |
1187 | ResetMap(); |
1188 | if (!fLego) BookLego(); |
1189 | fLego->Reset(); |
1190 | // |
1191 | // Access particle information |
1192 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
1193 | if (fDebug >= 2 || npart<=0) |
1194 | printf("\n AliEMCALJetFinder::FillFromPartons : npart %i\n", npart); |
1195 | fNt = 0; // for FindTracksInJetCone |
1196 | fNtS = 0; |
1197 | |
1198 | // Go through the partons |
1199 | Int_t statusCode=0; |
1200 | for (Int_t part = 8; part < npart; part++) { |
1201 | TParticle *MPart = gAlice->Particle(part); |
1202 | Int_t mpart = MPart->GetPdgCode(); |
1203 | // Int_t child1 = MPart->GetFirstDaughter(); |
1204 | Float_t pT = MPart->Pt(); |
1205 | // Float_t p = MPart->P(); |
1206 | Float_t phi = MPart->Phi(); |
1207 | Float_t eta = MPart->Eta(); |
1208 | // Float_t theta = MPart->Theta(); |
1209 | statusCode = MPart->GetStatusCode(); |
1210 | |
1211 | // accept partons (21 - gluon, 92 - string) |
1212 | if (!(TMath::Abs(mpart) <= 6 || mpart == 21 ||mpart == 92)) continue; |
1213 | if (fDebug > 1 && pT>0.01) |
1214 | printf("\n part:%5d mpart %5d status %5d eta %8.2f phi %8.2f pT %8.2f ", |
1215 | part, mpart, statusCode, eta, phi, pT); |
1216 | // if (fDebug >= 3) MPart->Print(); |
1217 | // accept partons before fragmentation - p.57 in Pythia manual |
1218 | // if(statusCode != 1) continue; |
1219 | // acceptance cut |
759ae494 |
1220 | if (eta > fEtaMax || eta < fEtaMin) continue; |
1221 | if (phi > fPhiMax || phi < fPhiMin ) continue; |
b7a73953 |
1222 | // final state only |
1223 | // if (child1 >= 0 && child1 < npart) continue; |
1224 | // |
1225 | // |
1226 | fLego->Fill(eta, phi, pT); |
1227 | |
1228 | } // primary loop |
1229 | DumpLego(); |
1230 | } |
1231 | |
d594b22e |
1232 | void AliEMCALJetFinder::BuildTrackFlagTable() { |
1233 | |
1234 | // Method to generate a lookup table for TreeK particles |
1235 | // which are linked to hits in the EMCAL |
1236 | // |
1237 | // --Author: J.L. Klay |
1238 | // |
d594b22e |
1239 | // Access hit information |
1240 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
1241 | |
1242 | TTree *TK = gAlice->TreeK(); // Get the number of entries in the kine tree |
1243 | Int_t nKTrks = (Int_t) TK->GetEntries(); // (Number of particles created somewhere) |
1244 | |
1245 | if(fTrackList) delete[] fTrackList; //Make sure we get rid of the old one |
1246 | fTrackList = new Int_t[nKTrks]; //before generating a new one |
1247 | |
1248 | for (Int_t i = 0; i < nKTrks; i++) { //Initialize members to 0 |
1249 | fTrackList[i] = 0; |
1250 | } |
1251 | |
1252 | TTree *treeH = gAlice->TreeH(); |
1253 | Int_t ntracks = (Int_t) treeH->GetEntries(); |
1254 | // |
1255 | // Loop over tracks |
1256 | // |
1257 | Int_t nbytes = 0; |
1258 | |
1259 | for (Int_t track=0; track<ntracks;track++) { |
1260 | gAlice->ResetHits(); |
1261 | nbytes += treeH->GetEvent(track); |
1262 | if (pEMCAL) { |
1263 | |
1264 | // |
1265 | // Loop over hits |
1266 | // |
1267 | for(AliEMCALHit* mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); |
1268 | mHit; |
1269 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) |
1270 | { |
1271 | Int_t iTrk = mHit->Track(); // track number |
1272 | Int_t idprim = mHit->GetPrimary(); // primary particle |
1273 | |
1274 | //Determine the origin point of this particle - it made a hit in the EMCAL |
1275 | TParticle *trkPart = gAlice->Particle(iTrk); |
1276 | TParticlePDG *trkPdg = trkPart->GetPDG(); |
1277 | Int_t trkCode = trkPart->GetPdgCode(); |
1278 | Double_t trkChg; |
1279 | if (trkCode < 10000) { //Big Ions cause problems for |
1280 | trkChg = trkPdg->Charge(); //this function. Since they aren't |
1281 | } else { //likely to make it very far, set |
1282 | trkChg = 0.0; //their charge to 0 for the Flag test |
1283 | } |
1284 | Float_t vxTrk = trkPart->Vx(); |
1285 | Float_t vyTrk = trkPart->Vy(); |
1286 | Float_t vrTrk = TMath::Sqrt(vxTrk*vxTrk+vyTrk*vyTrk); |
1287 | fTrackList[iTrk] = SetTrackFlag(vrTrk,trkCode,trkChg); |
1288 | |
1289 | //Loop through the ancestry of the EMCAL entrance particles |
1290 | Int_t ancestor = trkPart->GetFirstMother(); //Get track's Mother |
1291 | while (ancestor != -1) { |
1292 | TParticle *ancPart = gAlice->Particle(ancestor); //get particle info on ancestor |
1293 | TParticlePDG *ancPdg = ancPart->GetPDG(); |
1294 | Int_t ancCode = ancPart->GetPdgCode(); |
1295 | Double_t ancChg; |
1296 | if (ancCode < 10000) { |
1297 | ancChg = ancPdg->Charge(); |
1298 | } else { |
1299 | ancChg = 0.0; |
1300 | } |
1301 | Float_t vxAnc = ancPart->Vx(); |
1302 | Float_t vyAnc = ancPart->Vy(); |
1303 | Float_t vrAnc = TMath::Sqrt(vxAnc*vxAnc+vyAnc*vyAnc); |
1304 | fTrackList[ancestor] = SetTrackFlag(vrAnc,ancCode,ancChg); |
1305 | ancestor = ancPart->GetFirstMother(); //Get the next ancestor |
1306 | } |
1307 | |
1308 | //Determine the origin point of the primary particle associated with the hit |
1309 | TParticle *primPart = gAlice->Particle(idprim); |
1310 | TParticlePDG *primPdg = primPart->GetPDG(); |
1311 | Int_t primCode = primPart->GetPdgCode(); |
1312 | Double_t primChg; |
1313 | if (primCode < 10000) { |
1314 | primChg = primPdg->Charge(); |
1315 | } else { |
1316 | primChg = 0.0; |
1317 | } |
1318 | Float_t vxPrim = primPart->Vx(); |
1319 | Float_t vyPrim = primPart->Vy(); |
1320 | Float_t vrPrim = TMath::Sqrt(vxPrim*vxPrim+vyPrim*vyPrim); |
1321 | fTrackList[idprim] = SetTrackFlag(vrPrim,primCode,primChg); |
1322 | } // Hit Loop |
1323 | } //if (pEMCAL) |
1324 | } // Track Loop |
1325 | } |
1326 | |
1327 | Int_t AliEMCALJetFinder |
1328 | ::SetTrackFlag(Float_t radius, Int_t code, Double_t charge) { |
1329 | |
ff114de3 |
1330 | Int_t flag = 0; |
1331 | Int_t parton = 0; |
d594b22e |
1332 | Int_t neutral = 0; |
1333 | |
1334 | if (charge == 0) neutral = 1; |
1335 | |
1336 | if (TMath::Abs(code) <= 6 || |
1337 | code == 21 || |
1338 | code == 92) parton = 1; |
1339 | |
1340 | //It's not a parton, it's charged and it went through the TPC |
1341 | if (!parton && !neutral && radius <= 84.0) flag = 1; |
1342 | |
1343 | return flag; |
1344 | } |
1345 | |
ff114de3 |
1346 | |
1347 | |
1348 | void AliEMCALJetFinder::SaveBackgroundEvent() |
1349 | { |
1350 | // Saves the eta-phi lego and the tracklist |
1351 | // |
b561574c |
1352 | if (fLegoB) { |
1353 | fLegoB->Reset(); |
1354 | (*fLegoB) = (*fLegoB) + (*fLego); |
1355 | if(fDebug) |
1356 | printf("\n AliEMCALJetFinder::SaveBackgroundEvent() (fLegoB) %f = %f(fLego) \n", |
1357 | fLegoB->Integral(), fLego->Integral()); |
1358 | } |
ff114de3 |
1359 | |
1360 | if (fPtB) delete[] fPtB; |
1361 | if (fEtaB) delete[] fEtaB; |
1362 | if (fPhiB) delete[] fPhiB; |
975127ed |
1363 | if (fPdgB) delete[] fPdgB; |
ff114de3 |
1364 | if (fTrackListB) delete[] fTrackListB; |
1365 | |
1366 | fPtB = new Float_t[fNtS]; |
1367 | fEtaB = new Float_t[fNtS]; |
1368 | fPhiB = new Float_t[fNtS]; |
975127ed |
1369 | fPdgB = new Int_t [fNtS]; |
ff114de3 |
1370 | fTrackListB = new Int_t [fNtS]; |
46955412 |
1371 | |
1372 | fNtB = 0; |
1373 | |
ff114de3 |
1374 | for (Int_t i = 0; i < fNt; i++) { |
1375 | if (!fTrackList[i]) continue; |
610f27c9 |
1376 | fPtB [fNtB] = fPtT [i]; |
1377 | fEtaB[fNtB] = fEtaT[i]; |
1378 | fPhiB[fNtB] = fPhiT[i]; |
975127ed |
1379 | fPdgB[fNtB] = fPdgT[i]; |
46955412 |
1380 | fTrackListB[fNtB] = 1; |
ff114de3 |
1381 | fNtB++; |
1382 | } |
610f27c9 |
1383 | fBackground = 1; |
b561574c |
1384 | printf(" fNtB %i => fNtS %i #particles %i \n", fNtB, fNtS, fNt); |
ff114de3 |
1385 | } |
1386 | |
1387 | void AliEMCALJetFinder::InitFromBackground() |
1388 | { |
1389 | // |
1390 | // |
b561574c |
1391 | if (fDebug) printf("\n AliEMCALJetFinder::InitFromBackground() "); |
46955412 |
1392 | |
b561574c |
1393 | if (fLego) { |
396840bb |
1394 | fLego->Reset(); |
1395 | (*fLego) = (*fLego) + (*fLegoB); |
1396 | if(fDebug) |
1397 | printf("\n AliEMCALJetFinder::SaveBackgroundEvent() (fLego) %f = %f(fLegoB) \n", |
1398 | fLego->Integral(), fLegoB->Integral()); |
b561574c |
1399 | } else { |
396840bb |
1400 | printf(" => fLego undefined \n"); |
b561574c |
1401 | } |
ff114de3 |
1402 | } |
1403 | |
ff114de3 |
1404 | |
3bc109a9 |
1405 | void AliEMCALJetFinder::FindTracksInJetCone() |
1406 | { |
1407 | // |
1408 | // Build list of tracks inside jet cone |
1409 | // |
1410 | // Loop over jets |
1411 | Int_t njet = Njets(); |
1412 | for (Int_t nj = 0; nj < njet; nj++) |
1413 | { |
1414 | Float_t etaj = JetEtaW(nj); |
1415 | Float_t phij = JetPhiW(nj); |
1416 | Int_t nT = 0; // number of associated tracks |
1417 | |
ff114de3 |
1418 | // Loop over particles in current event |
3bc109a9 |
1419 | for (Int_t part = 0; part < fNt; part++) { |
1420 | if (!fTrackList[part]) continue; |
1421 | Float_t phi = fPhiT[part]; |
1422 | Float_t eta = fEtaT[part]; |
1423 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + |
1424 | (phij-phi)*(phij-phi)); |
1425 | if (dr < fConeRadius) { |
1426 | fTrackList[part] = nj+2; |
1427 | nT++; |
1428 | } // < ConeRadius ? |
1429 | } // particle loop |
d594b22e |
1430 | |
ff114de3 |
1431 | // Same for background event if available |
1432 | Int_t nTB = 0; |
1433 | if (fBackground) { |
1434 | for (Int_t part = 0; part < fNtB; part++) { |
1435 | Float_t phi = fPhiB[part]; |
1436 | Float_t eta = fEtaB[part]; |
1437 | Float_t dr = TMath::Sqrt((etaj-eta)*(etaj-eta) + |
1438 | (phij-phi)*(phij-phi)); |
610f27c9 |
1439 | fTrackListB[part] = 1; |
1440 | |
ff114de3 |
1441 | if (dr < fConeRadius) { |
610f27c9 |
1442 | fTrackListB[part] = nj+2; |
ff114de3 |
1443 | nTB++; |
1444 | } // < ConeRadius ? |
1445 | } // particle loop |
1446 | } // Background available ? |
1447 | |
1448 | Int_t nT0 = nT + nTB; |
759ae494 |
1449 | printf("Total number of tracks %d\n", nT0); |
ff114de3 |
1450 | |
8eba3b34 |
1451 | if (nT0 > 1000) nT0 = 1000; |
d594b22e |
1452 | |
610f27c9 |
1453 | Float_t* ptT = new Float_t[nT0]; |
1454 | Float_t* etaT = new Float_t[nT0]; |
1455 | Float_t* phiT = new Float_t[nT0]; |
975127ed |
1456 | Int_t* pdgT = new Int_t[nT0]; |
1457 | |
d594b22e |
1458 | Int_t iT = 0; |
1459 | Int_t j; |
1460 | |
3bc109a9 |
1461 | for (Int_t part = 0; part < fNt; part++) { |
1462 | if (fTrackList[part] == nj+2) { |
d594b22e |
1463 | Int_t index = 0; |
1464 | for (j=iT-1; j>=0; j--) { |
1465 | if (fPtT[part] > ptT[j]) { |
1466 | index = j+1; |
1467 | break; |
1468 | } |
1469 | } |
1470 | for (j=iT-1; j>=index; j--) { |
1471 | ptT [j+1] = ptT [j]; |
1472 | etaT[j+1] = etaT[j]; |
1473 | phiT[j+1] = phiT[j]; |
975127ed |
1474 | pdgT[j+1] = pdgT[j]; |
d594b22e |
1475 | } |
1476 | ptT [index] = fPtT [part]; |
1477 | etaT[index] = fEtaT[part]; |
1478 | phiT[index] = fPhiT[part]; |
975127ed |
1479 | pdgT[index] = fPdgT[part]; |
ff114de3 |
1480 | iT++; |
3bc109a9 |
1481 | } // particle associated |
ff114de3 |
1482 | if (iT > nT0) break; |
3bc109a9 |
1483 | } // particle loop |
d594b22e |
1484 | |
ff114de3 |
1485 | if (fBackground) { |
1486 | for (Int_t part = 0; part < fNtB; part++) { |
610f27c9 |
1487 | if (fTrackListB[part] == nj+2) { |
ff114de3 |
1488 | Int_t index = 0; |
1489 | for (j=iT-1; j>=0; j--) { |
1490 | if (fPtB[part] > ptT[j]) { |
1491 | index = j+1; |
610f27c9 |
1492 | |
ff114de3 |
1493 | break; |
1494 | } |
1495 | } |
1496 | for (j=iT-1; j>=index; j--) { |
1497 | ptT [j+1] = ptT [j]; |
1498 | etaT[j+1] = etaT[j]; |
1499 | phiT[j+1] = phiT[j]; |
975127ed |
1500 | pdgT[j+1] = pdgT[j]; |
ff114de3 |
1501 | } |
1502 | ptT [index] = fPtB [part]; |
1503 | etaT[index] = fEtaB[part]; |
1504 | phiT[index] = fPhiB[part]; |
975127ed |
1505 | pdgT[index] = fPdgB[part]; |
ff114de3 |
1506 | iT++; |
1507 | } // particle associated |
1508 | if (iT > nT0) break; |
1509 | } // particle loop |
1510 | } // Background available ? |
1511 | |
975127ed |
1512 | fJetT[nj]->SetTrackList(nT0, ptT, etaT, phiT, pdgT); |
3bc109a9 |
1513 | delete[] ptT; |
1514 | delete[] etaT; |
1515 | delete[] phiT; |
975127ed |
1516 | delete[] pdgT; |
1517 | |
3bc109a9 |
1518 | } // jet loop loop |
1519 | } |
1520 | |
26dadf3a |
1521 | Float_t AliEMCALJetFinder::PropagatePhi(Float_t pt, Float_t charge, Bool_t& curls) |
1522 | { |
1523 | // Propagates phi angle to EMCAL radius |
1524 | // |
b7a73953 |
1525 | static Float_t b = 0.0, rEMCAL = -1.0; |
1526 | if(rEMCAL<0) { |
1527 | // Get field in kGS |
9b91a677 |
1528 | b = gAlice->Field()->SolenoidField(); |
b7a73953 |
1529 | // Get EMCAL radius in cm |
1530 | rEMCAL = AliEMCALGeometry::GetInstance()->GetIPDistance(); |
1531 | printf("\nMagnetic field %f rEMCAL %f ", b, rEMCAL); |
1532 | } |
26dadf3a |
1533 | Float_t dPhi = 0.; |
26dadf3a |
1534 | // |
1535 | // |
1536 | // bending radies |
db5026bf |
1537 | // pt [Gev] |
1538 | // B [kG] |
1539 | // |
b7a73953 |
1540 | Float_t rB = 3335.6 * pt / b; // [cm] (case of |charge|=1) |
26dadf3a |
1541 | // |
1542 | // check if particle is curling below EMCAL |
1543 | if (2.*rB < rEMCAL) { |
1544 | curls = kTRUE; |
1545 | return dPhi; |
1546 | } |
1547 | // |
1548 | // if not calculate delta phi |
1549 | Float_t phi = TMath::ACos(1.-rEMCAL*rEMCAL/(2.*rB*rB)); |
1550 | dPhi = TMath::ATan2(1.-TMath::Cos(phi), TMath::Sin(phi)); |
f8f69f71 |
1551 | dPhi = -TMath::Sign(dPhi, charge); |
26dadf3a |
1552 | // |
1553 | return dPhi; |
26dadf3a |
1554 | } |
1555 | |
471f69dc |
1556 | void hf1(Int_t& id, Float_t& x, Float_t& wgt) |
1557 | { |
1558 | // dummy for hbook calls |
1559 | ; |
1560 | } |
1561 | |
c44ecd4c |
1562 | void AliEMCALJetFinder::DrawLego(Char_t *opt) |
1563 | {fLego->Draw(opt);} |
471f69dc |
1564 | |
c44ecd4c |
1565 | void AliEMCALJetFinder::DrawLegoEMCAL(Char_t *opt) |
1566 | {fhLegoEMCAL->Draw(opt);} |
d594b22e |
1567 | |
c44ecd4c |
1568 | void AliEMCALJetFinder::DrawHistsForTuning(Int_t mode) |
1569 | { |
1570 | static TPaveText *varLabel=0; |
1571 | if(!fC1) { |
1572 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); |
1573 | } |
1574 | fC1->Clear(); |
1575 | fC1->Divide(2,2); |
1576 | fC1->cd(1); |
1577 | gPad->SetLogy(1); |
1578 | fhCellEt->Draw(); |
1579 | |
1580 | fC1->cd(2); |
1581 | gPad->SetLogy(1); |
1582 | fhCellEMCALEt->Draw(); |
1583 | |
1584 | fC1->cd(3); |
1585 | gPad->SetLogy(1); |
1586 | fhTrackPt->Draw(); |
1587 | fhTrackPtBcut->SetLineColor(2); |
1588 | fhTrackPtBcut->Draw("same"); |
1589 | |
1590 | fC1->cd(4); |
1591 | if(!varLabel) { |
1592 | PrintParameters(1); |
1593 | varLabel = new TPaveText(0.05,0.5,0.95,0.95,"NDC"); |
1594 | varLabel->SetTextAlign(12); |
1595 | varLabel->SetFillColor(19); // see TAttFill |
1596 | TString tmp(GetTitle()); |
1597 | varLabel->ReadFile(GetFileNameForParameters()); |
1598 | } |
1599 | varLabel->Draw(); |
1600 | fC1->Update(); |
1601 | if(mode) { // for saving picture to the file |
1602 | TString stmp(GetFileNameForParameters()); |
1603 | stmp.ReplaceAll("_Par.txt",".ps"); |
1604 | fC1->Print(stmp.Data()); |
1605 | } |
1606 | } |
d594b22e |
1607 | |
c44ecd4c |
1608 | void AliEMCALJetFinder::PrintParameters(Int_t mode) |
1609 | { |
1610 | FILE *file=0; |
1611 | if(mode==0) file = stdout; // output to terminal |
1612 | else { |
1613 | file = fopen(GetFileNameForParameters(),"w"); |
1614 | if(file==0) file = stdout; |
1615 | } |
1616 | fprintf(file,"==== Filling lego ==== \n"); |
1617 | fprintf(file,"Smearing %6i ", fSmear); |
1618 | fprintf(file,"Efficiency %6i\n", fEffic); |
1619 | fprintf(file,"Hadr.Correct. %6i ", fHCorrection); |
1620 | fprintf(file,"P_{T} Cut of ch.par. %6.2f\n", fPtCut); |
1621 | fprintf(file,"==== Jet finding ==== \n"); |
1622 | fprintf(file,"Cone radius %6.2f ", fConeRadius); |
1623 | fprintf(file,"Seed E_{T} %6.1f\n", fEtSeed); |
1624 | fprintf(file,"Min E_{T} of cell %6.1f ", fMinCellEt); |
1625 | fprintf(file,"Min E_{T} of jet %6.1f\n", fMinJetEt); |
1626 | if(fMode) { |
1627 | fprintf(file,"==== Bg subtraction ==== \n"); |
1628 | fprintf(file,"BG subtraction %6i ", fMode); |
1629 | fprintf(file,"Min cone move %6.2f\n", fMinMove); |
1630 | fprintf(file,"Max cone move %6.2f ", fMaxMove); |
1631 | fprintf(file,"%% change for BG %6.4f\n", fPrecBg); |
1632 | } else |
1633 | fprintf(file,"==== No Bg subtraction ==== \n"); |
1634 | if(file != stdout) fclose(file); |
1635 | } |
d594b22e |
1636 | |
c44ecd4c |
1637 | void AliEMCALJetFinder::DrawLegos() |
1638 | { |
1639 | if(!fC1) { |
1640 | fC1 = new TCanvas("C1","Hists. for tunning", 0,25,600,800); |
1641 | } |
1642 | fC1->Clear(); |
1643 | fC1->Divide(2,2); |
1644 | gStyle->SetOptStat(111111); |
1645 | |
1646 | Int_t nent1, nent2, nent3, nent4; |
1647 | Double_t int1, int2, int3, int4; |
1648 | nent1 = (Int_t)fLego->GetEntries(); |
1649 | int1 = fLego->Integral(); |
1650 | fC1->cd(1); |
1651 | if(int1) fLego->Draw("lego"); |
1652 | |
1653 | nent2 = (Int_t)fhLegoTracks->GetEntries(); |
1654 | int2 = fhLegoTracks->Integral(); |
1655 | fC1->cd(2); |
1656 | if(int2) fhLegoTracks->Draw("lego"); |
1657 | |
1658 | nent3 = (Int_t)fhLegoEMCAL->GetEntries(); |
1659 | int3 = fhLegoEMCAL->Integral(); |
1660 | fC1->cd(3); |
1661 | if(int3) fhLegoEMCAL->Draw("lego"); |
1662 | |
1663 | nent4 = (Int_t)fhLegoHadrCorr->GetEntries(); |
1664 | int4 = fhLegoHadrCorr->Integral(); |
1665 | fC1->cd(4); |
1666 | if(int4) fhLegoHadrCorr->Draw("lego"); |
1667 | |
1668 | // just for checking |
1669 | printf(" Integrals \n"); |
1670 | printf("lego %10.3f \ntrack %10.3f \nhits %10.3f \nHCorr %10.3f\n-- %10.3f(must be 0)\n", |
1671 | int1, int2, int3, int4, int1 - (int2 + int3 - int4)); |
1672 | } |
d594b22e |
1673 | |
c44ecd4c |
1674 | const Char_t* AliEMCALJetFinder::GetFileNameForParameters(Char_t* dir) |
1675 | { |
1676 | static TString tmp; |
1677 | if(strlen(dir)) tmp = dir; |
1678 | tmp += GetTitle(); |
1679 | tmp += "_Par.txt"; |
1680 | return tmp.Data(); |
1681 | } |
d594b22e |
1682 | |
c44ecd4c |
1683 | void AliEMCALJetFinder::RearrangeParticlesMemory(Int_t npart) |
1684 | { // See FillFromTracks() - npart must be positive |
1685 | if (fTrackList) delete[] fTrackList; |
1686 | if (fPtT) delete[] fPtT; |
1687 | if (fEtaT) delete[] fEtaT; |
1688 | if (fPhiT) delete[] fPhiT; |
975127ed |
1689 | if (fPdgT) delete[] fPdgT; |
c44ecd4c |
1690 | |
1691 | if(npart>0) { |
1692 | fTrackList = new Int_t [npart]; |
1693 | fPtT = new Float_t[npart]; |
1694 | fEtaT = new Float_t[npart]; |
1695 | fPhiT = new Float_t[npart]; |
975127ed |
1696 | fPdgT = new Int_t[npart]; |
c44ecd4c |
1697 | } else { |
1698 | printf("AliEMCALJetFinder::RearrangeParticlesMemory : npart = %d\n", npart); |
1699 | } |
1700 | } |
b561574c |
1701 | |
1702 | Bool_t AliEMCALJetFinder::IsThisPartonsOrDiQuark(Int_t pdg) |
1703 | { |
1704 | Int_t absPdg = TMath::Abs(pdg); |
1705 | if(absPdg<=6) return kTRUE; // quarks |
1706 | if(pdg == 21) return kTRUE; // gluon |
1707 | if(pdg == 92) return kTRUE; // string |
1708 | |
1709 | // see p.51 of Pythia Manual |
1710 | // Not include diquarks with c and b quark - 4-mar-2002 |
1711 | // ud_0,sd_0,su_0; dd_1,ud_1,uu_1; sd_1,su_1,ss_1 |
1712 | static Int_t diquark[9]={2101,3101,3201, 1103,2103,2203, 3103,3203,3303}; |
1713 | for(Int_t i=0; i<9; i++) if(absPdg == diquark[i]) return kTRUE; // diquarks |
1714 | |
1715 | return kFALSE; |
1716 | } |
1717 | |
759ae494 |
1718 | void AliEMCALJetFinder::FindChargedJet() |
1719 | { |
1720 | // |
1721 | // Find jet from charged particle information only |
1722 | // |
1723 | |
1724 | // |
1725 | // Look for seeds |
1726 | // |
1727 | Int_t njets = 0; |
1728 | Int_t part = 0; |
1729 | Int_t nseed = 0; |
1730 | |
1731 | // |
1732 | // |
1733 | ResetJets(); |
1734 | |
1735 | // |
1736 | for (part = 0; part < fNt; part++) { |
1737 | if (!fTrackList[part]) continue; |
1738 | if (fPtT[part] > fEtSeed) nseed++; |
1739 | } |
1740 | printf("\nThere are %d seeds (%d)\n", nseed, fNtS); |
1741 | Int_t* iSeeds = new Int_t[nseed]; |
1742 | nseed = 0; |
1743 | |
1744 | for (part = 0; part < fNt; part++) { |
1745 | if (!fTrackList[part]) continue; |
1746 | if (fPtT[part] > fEtSeed) iSeeds[nseed++] = part; |
1747 | } |
1748 | |
1749 | // |
1750 | // Loop over seeds |
1751 | // |
1752 | Int_t seed = 0; |
1753 | Float_t pt; |
1754 | |
1755 | while(1){ |
1756 | // |
1757 | // Find seed with highest pt |
1758 | // |
1759 | Float_t ptmax = -1.; |
1760 | Int_t index = -1; |
1761 | Int_t jndex = -1; |
1762 | for (seed = 0; seed < nseed; seed++) { |
1763 | if ((pt = fPtT[iSeeds[seed]]) > ptmax && iSeeds[seed] != -1) { |
1764 | ptmax = pt; |
1765 | index = seed; |
1766 | } // ptmax ? |
1767 | } // seeds |
1768 | if (ptmax < 0.) break; |
1769 | jndex = iSeeds[index]; |
1770 | // |
1771 | // Remove from the list |
1772 | iSeeds[index] = -1; |
1773 | printf("\n Next Seed %d %f", jndex, ptmax); |
1774 | // |
1775 | // Find tracks in cone around seed |
1776 | // |
1777 | Float_t phiSeed = fPhiT[jndex]; |
1778 | Float_t etaSeed = fEtaT[jndex]; |
1779 | Float_t eT = 0.; |
1780 | Float_t pxJ = 0.; |
1781 | Float_t pyJ = 0.; |
1782 | Float_t pzJ = 0.; |
1783 | |
1784 | for (part = 0; part < fNt; part++) { |
1785 | if (!fTrackList[part]) continue; |
1786 | Float_t deta = fEtaT[part] - etaSeed; |
1787 | Float_t dphi = fPhiT[part] - phiSeed; |
1788 | Float_t dR = TMath::Sqrt(deta * deta + dphi * dphi); |
1789 | if (dR < fConeRadius) { |
1790 | eT += fPtT[part]; |
1791 | Float_t theta = 2. * TMath::ATan(TMath::Exp(-fEtaT[part])); |
1792 | Float_t px = fPtT[part] * TMath::Cos(fPhiT[part]); |
1793 | Float_t py = fPtT[part] * TMath::Sin(fPhiT[part]); |
1794 | Float_t pz = fPtT[part] / TMath::Tan(theta); |
1795 | pxJ += px; |
1796 | pyJ += py; |
1797 | pzJ += pz; |
1798 | // |
1799 | // if seed, remove it |
1800 | // |
1801 | for (seed = 0; seed < nseed; seed++) { |
1802 | if (part == iSeeds[seed]) iSeeds[seed] = -1; |
1803 | } // seed ? |
1804 | } // < cone radius |
1805 | } // particle loop |
1806 | |
1807 | // |
1808 | // Estimate of jet direction |
1809 | Float_t phiJ = TMath::ATan2(pyJ, pxJ); |
1810 | Float_t thetaJ = TMath::ATan2(TMath::Sqrt(pxJ * pxJ + pyJ * pyJ), pzJ); |
1811 | Float_t etaJ = TMath::Log(TMath::Tan(thetaJ / 2.)); |
8eba3b34 |
1812 | // Float_t ptJ = TMath::Sqrt(pxJ * pxJ + pyJ * pyJ); |
759ae494 |
1813 | |
1814 | // |
1815 | // Sum up all energy |
1816 | // |
1817 | Int_t iPhi0 = Int_t((phiJ - fPhiMin) / fDphi); |
1818 | Int_t iEta0 = Int_t((etaJ - fEtaMin) / fDeta); |
1819 | Int_t dIphi = Int_t(fConeRadius / fDphi); |
1820 | Int_t dIeta = Int_t(fConeRadius / fDeta); |
1821 | Int_t iPhi, iEta; |
1822 | Float_t sumE = 0; |
1823 | for (iPhi = iPhi0 -dIphi; iPhi < iPhi0 + dIphi; iPhi++) { |
1824 | for (iEta = iEta0 - dIeta; iEta < iEta0 + dIeta; iEta++) { |
1825 | if (iPhi < 0 || iEta < 0) continue; |
1826 | Float_t dPhi = fPhiMin + iPhi * fDphi; |
1827 | Float_t dEta = fEtaMin + iEta * fDeta; |
1828 | if (TMath::Sqrt(dPhi * dPhi + dEta * dEta) < fConeRadius) continue; |
1829 | sumE += fLego->GetBinContent(iEta, iPhi); |
1830 | } // eta |
1831 | } // phi |
1832 | // |
1833 | // |
1834 | // |
1835 | fJetT[njets++] = new AliEMCALJet(sumE, phiJ, etaJ); |
1836 | FindTracksInJetCone(); |
1837 | printf("\n Jet Energy %f %f %f %f %d\n", eT, sumE, fPtT[6], fPtT[7], njets); |
1838 | printf("\n Jet Phi %f %f %f \n", phiJ, fPhiT[6], fPhiT[7]); |
1839 | printf("\n Jet Eta %f %f %f \n", etaJ, fEtaT[6], fEtaT[7]); |
1840 | } // while(1) |
1841 | EMCALJETS.njet = njets; |
1842 | if (fWrite) WriteJets(); |
1843 | fEvent++; |
1844 | } |