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f7d5860b | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ||
ee6b678f | 17 | /* $Id$ */ |
f7d5860b | 18 | |
19 | //_________________________________________________________________________ | |
20 | // Class for JetFinder Input preparation from simulated data | |
21 | // | |
22 | //*-- Author: Mark Horner (LBL/UCT) | |
23 | // | |
24 | ||
25 | ||
26 | ||
27 | #include "AliEMCALJetFinderInputSimPrep.h" | |
28 | ||
29 | #include <TParticle.h> | |
30 | #include <TParticlePDG.h> | |
31 | #include <TPDGCode.h> | |
32 | #include <TFile.h> | |
33 | #include <TTree.h> | |
34 | #include <TObjectTable.h> | |
35 | #include <TMath.h> | |
36 | ||
37 | ||
38 | #include "AliRun.h" | |
39 | #include "AliMagF.h" | |
40 | #include "AliEMCALFast.h" | |
41 | #include "AliEMCAL.h" | |
42 | #include "AliEMCALHit.h" | |
43 | #include "AliEMCALGeometry.h" | |
44 | #include "AliEMCALGetter.h" | |
45 | #include "AliGenEventHeader.h" | |
46 | #include "AliGenPythiaEventHeader.h" | |
47 | #include "AliGenerator.h" | |
48 | #include "AliHeader.h" | |
5d12ce38 | 49 | #include "AliMC.h" |
f7d5860b | 50 | |
51 | ||
52 | ClassImp(AliEMCALJetFinderInputSimPrep) | |
53 | ||
54 | AliEMCALJetFinderInputSimPrep::AliEMCALJetFinderInputSimPrep() | |
55 | { | |
44f59d68 | 56 | // Default constructor |
f7d5860b | 57 | if (fDebug > 0) Info("AliEMCALJetFinderInputSimPrep","Beginning Constructor"); |
58 | ||
59 | fDebug = 0; | |
60 | fSmearType = kSmearEffic; | |
61 | fEMCALType = kHits; | |
62 | fTrackType = kCharged; | |
63 | fEfficiency = 0.90; | |
64 | ||
65 | } | |
66 | AliEMCALJetFinderInputSimPrep::~AliEMCALJetFinderInputSimPrep() | |
67 | { | |
68 | if (fDebug > 0) Info("~AliEMCALJetFinderInputSimPrep","Beginning Destructor"); | |
69 | ||
70 | } | |
71 | ||
72 | void AliEMCALJetFinderInputSimPrep::Reset(AliEMCALJetFinderResetType_t resettype) | |
73 | { | |
44f59d68 | 74 | // Method to reset data |
f7d5860b | 75 | if (fDebug > 1) Info("Reset","Beginning Reset"); |
76 | switch (resettype){ | |
77 | ||
78 | case kResetData: | |
79 | fInputObject.Reset(resettype); | |
80 | break; | |
81 | case kResetTracks: | |
82 | fInputObject.Reset(resettype); | |
83 | break; | |
84 | case kResetDigits: | |
85 | fInputObject.Reset(resettype); | |
86 | break; | |
87 | case kResetParameters: | |
88 | fSmearType = kSmearEffic; | |
89 | fEMCALType = kHits; | |
90 | fTrackType = kCharged; | |
91 | break; | |
92 | case kResetAll: | |
93 | fSmearType = kSmearEffic; | |
94 | fEMCALType = kHits; | |
95 | fTrackType = kCharged; | |
96 | fInputObject.Reset(resettype); | |
97 | break; | |
98 | case kResetPartons: | |
99 | Warning("FillFromFile", "kResetPartons not implemented") ; | |
100 | break; | |
101 | case kResetParticles: | |
102 | Warning("FillFromFile", "kResetParticles not implemented") ; | |
103 | break; | |
104 | case kResetJets: | |
105 | Warning("FillFromFile", "kResetJets not implemented") ; | |
106 | break; | |
107 | }// end switch | |
108 | ||
109 | } | |
110 | ||
111 | Int_t AliEMCALJetFinderInputSimPrep::FillFromFile(TString *filename, AliEMCALJetFinderFileType_t filetype,Int_t EventNumber) | |
112 | { | |
113 | // gObjectTable->Print(); | |
114 | // Test that file exists - Getter doesn't like bogus filenames | |
115 | if (fDebug > 1) Info("FillFromFile","Beginning FillFromFile"); | |
116 | fFileType = filetype; | |
117 | TFile file(filename->Data()); | |
118 | if (!file.IsOpen()){ | |
119 | Error("FillFromFile","Could not open file in FillFromFile"); | |
120 | return -1; | |
121 | } | |
122 | file.Close(); | |
123 | /* | |
124 | gAlice = static_cast<AliRun *>(file.Get("gAlice")); | |
125 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
126 | if (gAlice->GetEvent(EventNumber) < 0){ | |
127 | Error("FillFromFile","Could not open event in FillFromFile"); | |
128 | file.Close(); | |
129 | return -1; | |
130 | }*/ | |
131 | AliEMCALGetter *gime = AliEMCALGetter::Instance(filename->Data()); | |
132 | gime->Event(EventNumber) ; | |
133 | ||
134 | if ( fEMCALType == kHits || | |
135 | fEMCALType == kTimeCut ) FillHits(); | |
136 | if ( fTrackType != kNoTracks ) FillTracks(); | |
137 | if ( fFileType != kData){ | |
138 | FillPartons(); | |
139 | // FillParticles(); | |
140 | } | |
141 | //gime->CloseFile(); | |
142 | // gObjectTable->Print(); | |
143 | delete gime; | |
144 | return 0; | |
145 | } | |
146 | ||
44f59d68 | 147 | void AliEMCALJetFinderInputSimPrep::FillHits() |
f7d5860b | 148 | { |
44f59d68 | 149 | // Fill from the hits to input object from simulation |
f7d5860b | 150 | if (fDebug > 1) Info("FillHits","Beginning FillHits"); |
151 | ||
152 | // Access hit information | |
153 | AliEMCALHit *mHit; | |
154 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
155 | Info("AliEMCALJetFinderInputSimPrep","Title of the geometry is %s",pEMCAL->GetTitle()); | |
156 | AliEMCALGeometry* geom = AliEMCALGetter::Instance()->EMCALGeometry(); | |
157 | // Float_t samplingF = geom->GetSampling(); | |
158 | Float_t samplingF = 11.6; | |
159 | Info("AliEMCALJetFinderInputSimPrep","Sampling fraction is %f",samplingF); | |
160 | TTree *treeH = AliEMCALGetter::Instance()->TreeH(); | |
161 | Int_t ntracks = (Int_t) treeH->GetEntries(); | |
162 | // | |
163 | // Loop over tracks | |
164 | // | |
165 | Int_t nbytes = 0; | |
166 | Double_t etH = 0.0; | |
167 | ||
168 | for (Int_t track=0; track<ntracks;track++) { | |
169 | gAlice->ResetHits(); | |
170 | nbytes += treeH->GetEvent(track); | |
171 | // | |
172 | // Loop over hits | |
173 | // | |
174 | for(mHit=(AliEMCALHit*) pEMCAL->FirstHit(-1); | |
175 | mHit; | |
176 | mHit=(AliEMCALHit*) pEMCAL->NextHit()) | |
177 | { | |
178 | if (fEMCALType == kTimeCut && | |
179 | (mHit->GetTime()>fTimeCut) ) continue; | |
180 | Float_t x = mHit->X(); // x-pos of hit | |
181 | Float_t y = mHit->Y(); // y-pos | |
182 | Float_t z = mHit->Z(); // z-pos | |
183 | Float_t eloss = mHit->GetEnergy(); // deposited energy | |
184 | ||
185 | Float_t r = TMath::Sqrt(x*x+y*y); | |
186 | Float_t theta = TMath::ATan2(r,z); | |
187 | Float_t eta = -TMath::Log(TMath::Tan(theta/2.)); | |
188 | Float_t phi = TMath::ATan2(y,x); | |
189 | etH = samplingF*eloss*TMath::Sin(theta); | |
190 | if (fDebug > 10) Info("FillHits","Values of hit energy %i",Int_t(1e7*etH)); | |
191 | if (geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi) == -1) | |
192 | { | |
193 | if (fDebug >5) | |
194 | { | |
195 | Error("FillHits","Hit not inside EMCAL!"); | |
196 | mHit->Dump(); | |
197 | } | |
198 | continue; | |
199 | } | |
200 | fInputObject.AddEnergyToDigit(geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi)-1,Int_t(1e7*etH)); | |
201 | } // Hit Loop | |
202 | } // Track Loop | |
203 | ||
204 | ||
205 | } | |
44f59d68 | 206 | void AliEMCALJetFinderInputSimPrep::FillTracks() |
f7d5860b | 207 | { |
44f59d68 | 208 | // Fill from particles simulating a TPC to input object from simulation |
f7d5860b | 209 | |
210 | if (fDebug > 1) Info("FillTracks","Beginning FillTracks"); | |
211 | ||
212 | TParticlePDG* pdgP = 0; | |
44f59d68 | 213 | TParticle *mPart; |
f7d5860b | 214 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
215 | Float_t bfield,rEMCAL; | |
216 | ||
217 | if (fDebug > 1) Info("FillTracks","Defining the geometry"); | |
218 | ||
219 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
220 | AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); | |
221 | fEtaMax = geom->GetArm1EtaMax(); | |
222 | fEtaMin = geom->GetArm1EtaMin(); | |
223 | fPhiMax = TMath::Pi()/180.0*geom->GetArm1PhiMax(); | |
224 | fPhiMin = TMath::Pi()/180.0*geom->GetArm1PhiMin(); | |
225 | ||
226 | if (fDebug > 1) Info("FillTracks","Starting particle loop"); | |
227 | ||
228 | for (Int_t part = 0; part < npart; part++) { | |
44f59d68 | 229 | mPart = gAlice->GetMCApp()->Particle(part); |
f7d5860b | 230 | //if (part%10) gObjectTable->Print(); |
44f59d68 | 231 | pdgP = mPart->GetPDG(); |
f7d5860b | 232 | |
233 | if (fDebug > 5) Info("FillTracks","Checking if track is a primary"); | |
234 | ||
235 | if (fFileType == kPythia) { | |
44f59d68 | 236 | if (mPart->GetStatusCode() != 1) continue; |
f7d5860b | 237 | } else if (fFileType == kHijing) { |
44f59d68 | 238 | if (mPart->GetFirstDaughter() >= 0 && mPart->GetFirstDaughter() < npart) continue; |
f7d5860b | 239 | } |
240 | ||
44f59d68 | 241 | if (fDebug > 15) Info("FillTracks","Checking if track (eta - %f, phi - %f) is in acceptance",mPart->Eta(),mPart->Phi()); |
f7d5860b | 242 | if (fDebug > 10) Info("FillTracks","Checking if EMCAL acceptance ( %f < eta < %f, %f < phi < %f) is in acceptance",fEtaMin,fEtaMax,fPhiMin,fPhiMax); |
243 | ||
44f59d68 | 244 | if (mPart->Eta() > fEtaMax || mPart->Eta() < fEtaMin) continue; |
245 | if (mPart->Phi() > fPhiMax || mPart->Phi() < fPhiMin ) continue; | |
f7d5860b | 246 | |
247 | /* | |
248 | {kProton, kProtonBar, kElectron, kPositron, | |
249 | kNuE, kNuEBar, kGamma, kNeutron, kNeutronBar, | |
250 | kMuonPlus, kMuonMinus, kK0Long , kPiPlus, kPiMinus, | |
251 | kKPlus, kKMinus, kLambda0, kLambda0Bar, kK0Short, | |
252 | kSigmaMinus, kSigmaPlus, kSigma0, kPi0, kK0, kK0Bar, | |
253 | 0,kNuMu,kNuMuBar | |
254 | */ | |
255 | ||
256 | if (fDebug > 15) Info("FillTracks","Checking if track is rejected"); | |
257 | ||
258 | if ((fSmearType == kEfficiency || | |
259 | fSmearType == kSmearEffic) && | |
260 | pdgP->Charge()!=0) { | |
261 | if (AliEMCALFast::RandomReject(fEfficiency)) { | |
262 | continue; | |
263 | } | |
264 | } | |
265 | ||
266 | bfield = gAlice->Field()->SolenoidField(); | |
267 | rEMCAL = AliEMCALGeometry::GetInstance()->GetIPDistance(); | |
44f59d68 | 268 | Float_t rB = 3335.6 * mPart->Pt() / bfield; // [cm] (case of |charge|=1) |
f7d5860b | 269 | if (2.*rB < rEMCAL) continue; // track curls away |
270 | ||
271 | //if (part%10) gObjectTable->Print(); | |
272 | switch(fTrackType) | |
273 | { | |
274 | ||
275 | case kAll: // All Stable particles to be included | |
276 | if (fDebug > 5) Info("FillTracks","Storing track"); | |
277 | if (fSmearType == kSmear || | |
278 | fSmearType == kSmearEffic ){ | |
44f59d68 | 279 | Smear(mPart);/* |
f7d5860b | 280 | TParticle *tmp = Smear(MPart); |
281 | fInputObject.AddTrack(Smear(MPart)); | |
282 | delete tmp;*/ | |
283 | }else{ | |
44f59d68 | 284 | fInputObject.AddTrack(*mPart); |
f7d5860b | 285 | } |
286 | break; | |
287 | case kEM: // All Electromagnetic particles | |
44f59d68 | 288 | if (mPart->GetPdgCode() == kElectron || |
289 | mPart->GetPdgCode() == kMuonPlus || | |
290 | mPart->GetPdgCode() == kMuonMinus || | |
291 | mPart->GetPdgCode() == kPositron ){ | |
f7d5860b | 292 | if (fDebug > 5) Info("FillTracks","Storing electron or positron"); |
293 | if (fSmearType == kSmear || | |
294 | fSmearType == kSmearEffic ){ | |
44f59d68 | 295 | Smear(mPart);/* |
f7d5860b | 296 | TParticle *tmp = Smear(MPart); |
297 | fInputObject.AddTrack(tmp); | |
298 | delete tmp;*/ | |
299 | }else{ | |
44f59d68 | 300 | fInputObject.AddTrack(*mPart); |
f7d5860b | 301 | } |
302 | } | |
44f59d68 | 303 | if ( mPart->GetPdgCode() == kGamma ){ |
304 | fInputObject.AddTrack(*mPart); | |
f7d5860b | 305 | if (fDebug > 5) Info("FillTracks","Storing gamma"); |
306 | } | |
307 | ||
308 | break; | |
309 | case kCharged: // All Particles with non-zero charge | |
310 | if (pdgP->Charge() != 0) { | |
311 | if (fDebug > 5) Info("FillTracks","Storing charged track"); | |
312 | if (fSmearType == kSmear || | |
313 | fSmearType == kSmearEffic ){ | |
44f59d68 | 314 | Smear(mPart);/* |
f7d5860b | 315 | TParticle *tmp = Smear(MPart); |
316 | fInputObject.AddTrack(tmp); | |
317 | delete tmp;*/ | |
318 | }else{ | |
44f59d68 | 319 | fInputObject.AddTrack(*mPart); |
f7d5860b | 320 | } |
321 | } | |
322 | break; | |
323 | case kNeutral: // All particles with no charge | |
324 | if (pdgP->Charge() == 0){ | |
44f59d68 | 325 | fInputObject.AddTrack(*mPart); |
f7d5860b | 326 | if (fDebug > 5) Info("FillTracks","Storing neutral"); |
327 | } | |
328 | break; | |
329 | case kHadron: //All hadrons | |
44f59d68 | 330 | if (mPart->GetPdgCode() != kElectron && |
331 | mPart->GetPdgCode() != kPositron && | |
332 | mPart->GetPdgCode() != kMuonPlus && | |
333 | mPart->GetPdgCode() != kMuonMinus && | |
334 | mPart->GetPdgCode() != kGamma ) | |
f7d5860b | 335 | { |
336 | if (fDebug > 5) Info("FillTracks","Storing hadron"); | |
337 | if (pdgP->Charge() == 0){ | |
44f59d68 | 338 | fInputObject.AddTrack(*mPart); |
f7d5860b | 339 | }else{ |
340 | if (fSmearType == kSmear || | |
341 | fSmearType == kSmearEffic ){ | |
44f59d68 | 342 | Smear(mPart);/* |
f7d5860b | 343 | TParticle *tmp = Smear(MPart); |
344 | fInputObject.AddTrack(tmp); | |
345 | delete tmp;*/ | |
346 | }else{ | |
44f59d68 | 347 | fInputObject.AddTrack(*mPart); |
f7d5860b | 348 | } |
349 | } | |
350 | } | |
351 | break; | |
352 | case kChargedHadron: // only charged hadrons | |
44f59d68 | 353 | if (mPart->GetPdgCode() != kElectron && |
354 | mPart->GetPdgCode() != kPositron && | |
355 | mPart->GetPdgCode() != kGamma && | |
356 | mPart->GetPdgCode() != kMuonPlus && | |
357 | mPart->GetPdgCode() != kMuonMinus && | |
f7d5860b | 358 | pdgP->Charge() != 0 ){ |
359 | if (fDebug > 5) Info("FillTracks","Storing charged hadron"); | |
360 | if (fSmearType == kSmear || | |
361 | fSmearType == kSmearEffic ){ | |
44f59d68 | 362 | Smear(mPart);/* |
f7d5860b | 363 | TParticle *tmp = Smear(MPart); |
364 | fInputObject.AddTrack(tmp); | |
365 | delete tmp;*/ | |
366 | }else{ | |
44f59d68 | 367 | fInputObject.AddTrack(*mPart); |
f7d5860b | 368 | } |
369 | } | |
370 | break; | |
371 | case kNoTracks: | |
372 | break; | |
373 | default: | |
374 | break; | |
44f59d68 | 375 | delete mPart; |
f7d5860b | 376 | } //end of switch |
377 | // Info("FillTracks","After Particle Storage"); | |
378 | //if (part%10) gObjectTable->Print(); | |
379 | ||
380 | } //end of particle loop | |
381 | //gObjectTable->Print(); | |
382 | } | |
383 | ||
44f59d68 | 384 | void AliEMCALJetFinderInputSimPrep::FillPartons() |
f7d5860b | 385 | { |
44f59d68 | 386 | // Fill partons to |
387 | // input object from simulation | |
f7d5860b | 388 | if (fDebug > 1) Info("FillPartons","Beginning FillPartons"); |
389 | ||
390 | AliGenEventHeader* evHeader = ((AliHeader*)(gAlice->GetHeader()))->GenEventHeader(); | |
391 | Float_t triggerJetValues[4]; | |
392 | AliEMCALParton tempParton; | |
393 | ||
394 | if (fFileType == kPythia) | |
395 | { | |
396 | Int_t ntriggerjets = ((AliGenPythiaEventHeader*)evHeader)->NTriggerJets(); | |
397 | if (fDebug > 1) Info("FillPartons","Number of trigger jets --> %i",ntriggerjets); | |
398 | for (Int_t jetcounter = 0 ; jetcounter < ntriggerjets; jetcounter++){ | |
399 | ((AliGenPythiaEventHeader*)evHeader)->TriggerJet(jetcounter,triggerJetValues); | |
400 | TLorentzVector tempLParton; | |
401 | tempLParton.SetPxPyPzE(triggerJetValues[0],triggerJetValues[1],triggerJetValues[2],triggerJetValues[3]); | |
402 | tempParton.SetEnergy(tempLParton.Energy()); | |
403 | tempParton.SetEta(tempLParton.Eta()); | |
404 | tempParton.SetPhi(tempLParton.Phi()); | |
405 | FillPartonTracks(&tempParton); | |
406 | fInputObject.AddParton(&tempParton); | |
407 | } | |
408 | ||
409 | } | |
410 | } | |
411 | ||
44f59d68 | 412 | void AliEMCALJetFinderInputSimPrep::FillParticles() |
f7d5860b | 413 | { |
44f59d68 | 414 | // Fill particles to input object from simulation |
f7d5860b | 415 | if (fDebug > 1) Info("FillParticles","Beginning FillParticles"); |
416 | ||
417 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
418 | TParticlePDG* pdgP = 0; | |
419 | ||
420 | for (Int_t part = 0; part < npart; part++) { | |
44f59d68 | 421 | TParticle *mPart = gAlice->GetMCApp()->Particle(part); |
422 | pdgP = mPart->GetPDG(); | |
f7d5860b | 423 | |
424 | if (fDebug > 10) Info("FillParticles","Checking if particle is a primary"); | |
425 | ||
426 | if (fFileType == kPythia) { | |
44f59d68 | 427 | if (mPart->GetStatusCode() != 1) continue; |
f7d5860b | 428 | } else if (fFileType == kHijing) { |
44f59d68 | 429 | if (mPart->GetFirstDaughter() >= 0 && mPart->GetFirstDaughter() < npart) continue; |
f7d5860b | 430 | } |
431 | ||
432 | if (fDebug > 10) Info("FillParticles","Checking if particle is in acceptance"); | |
433 | ||
44f59d68 | 434 | if (mPart->Eta() > fEtaMax || mPart->Eta() < fEtaMin) continue; |
435 | if (mPart->Phi() > fPhiMax || mPart->Phi() < fPhiMin ) continue; | |
f7d5860b | 436 | |
437 | ||
438 | /* | |
439 | {kProton, kProtonBar, kElectron, kPositron, | |
440 | kNuE, kNuEBar, kGamma, kNeutron, kNeutronBar, | |
441 | kMuonPlus, kMuonMinus, kK0Long , kPiPlus, kPiMinus, | |
442 | kKPlus, kKMinus, kLambda0, kLambda0Bar, kK0Short, | |
443 | kSigmaMinus, kSigmaPlus, kSigma0, kPi0, kK0, kK0Bar, | |
444 | 0,kNuMu,kNuMuBar | |
445 | */ | |
446 | switch(fTrackType) | |
447 | { | |
448 | ||
449 | case kAll: // All Stable particles to be included | |
450 | if (fDebug > 5) Info("FillParticles","Storing particle"); | |
44f59d68 | 451 | fInputObject.AddParticle(mPart); |
f7d5860b | 452 | break; |
453 | case kEM: // All Electromagnetic particles | |
44f59d68 | 454 | if (mPart->GetPdgCode() == kElectron || |
455 | mPart->GetPdgCode() == kPositron || | |
456 | mPart->GetPdgCode() == kGamma){ | |
f7d5860b | 457 | if (fDebug > 5) Info("FillParticles","Storing electromagnetic particle"); |
44f59d68 | 458 | fInputObject.AddParticle(mPart); |
f7d5860b | 459 | } |
460 | break; | |
461 | case kCharged: // All Particles with non-zero charge | |
462 | if (pdgP->Charge() != 0) { | |
463 | if (fDebug > 5) Info("FillParticles","Storing charged particle"); | |
44f59d68 | 464 | fInputObject.AddParticle(mPart); |
f7d5860b | 465 | } |
466 | break; | |
467 | case kNeutral: // All particles with no charge | |
468 | if (pdgP->Charge() == 0){ | |
469 | if (fDebug > 5) Info("FillParticles","Storing neutral particle"); | |
44f59d68 | 470 | fInputObject.AddParticle(mPart); |
f7d5860b | 471 | } |
472 | break; | |
473 | case kHadron: //All hadrons | |
44f59d68 | 474 | if (mPart->GetPdgCode() != kElectron && |
475 | mPart->GetPdgCode() != kPositron && | |
476 | mPart->GetPdgCode() != kGamma ) | |
f7d5860b | 477 | { |
478 | ||
479 | if (fDebug > 5) Info("FillParticles","Storing hadron"); | |
44f59d68 | 480 | fInputObject.AddParticle(mPart); |
f7d5860b | 481 | } |
482 | break; | |
483 | case kChargedHadron: // only charged hadrons | |
44f59d68 | 484 | if (mPart->GetPdgCode() != kElectron && |
485 | mPart->GetPdgCode() != kPositron && | |
486 | mPart->GetPdgCode() != kGamma && | |
f7d5860b | 487 | pdgP->Charge() != 0 ){ |
488 | if (fDebug > 5) Info("FillParticles","Storing charged hadron"); | |
44f59d68 | 489 | fInputObject.AddParticle(mPart); |
f7d5860b | 490 | } |
491 | break; | |
492 | case kNoTracks: | |
493 | break; | |
494 | default: | |
495 | break; | |
496 | } //end of switch | |
497 | }// end of loop over particles | |
498 | ||
499 | } | |
44f59d68 | 500 | void AliEMCALJetFinderInputSimPrep::FillDigits() |
f7d5860b | 501 | { |
44f59d68 | 502 | // Fill digits to input object |
f7d5860b | 503 | |
504 | } | |
505 | ||
506 | void AliEMCALJetFinderInputSimPrep::Smear(TParticle *particle) | |
507 | { | |
44f59d68 | 508 | // Smear particle momentum |
f7d5860b | 509 | if (fDebug > 5) Info("Smear","Beginning Smear"); |
510 | ||
511 | Float_t tmp = AliEMCALFast::SmearMomentum(1,particle->P()); | |
512 | Float_t tmpt = (tmp/particle->P()) * particle->Pt(); | |
513 | if (fDebug > 10) Info("Smear","Smearing changed P from %f to %f",particle->Pt(),tmpt); | |
514 | TLorentzVector tmpvector; | |
515 | tmpvector.SetPtEtaPhiM(tmpt,particle->Eta(), particle->Phi(), particle->GetMass()); | |
516 | // create a new particle with smearing momentum - and no daughter or parent information and the same | |
517 | // vertex | |
518 | ||
519 | TParticle tmparticle(particle->GetPdgCode(), 1, 0, 0,0,0, | |
520 | tmpvector.Px() , tmpvector.Py(), tmpvector.Pz(), tmpvector.Energy(), | |
521 | particle->Vx(), particle->Vy(), particle->Vz(), particle->T()); | |
522 | fInputObject.AddTrack(tmparticle); | |
523 | return; | |
524 | } | |
525 | ||
526 | void AliEMCALJetFinderInputSimPrep::FillPartonTracks(AliEMCALParton *parton) | |
527 | { | |
44f59d68 | 528 | // Populate parton tracks for input distributions |
f7d5860b | 529 | if (fDebug>1) Info("FillPartonTracks","Beginning FillPartonTracks"); |
530 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
531 | Int_t ntracks =0; | |
532 | TParticlePDG *getpdg; | |
533 | TParticle *tempPart; | |
534 | for (Int_t part = 0; part < npart; part++) | |
535 | { | |
5d12ce38 | 536 | tempPart = gAlice->GetMCApp()->Particle(part); |
f7d5860b | 537 | if (tempPart->GetStatusCode() != 1) continue; |
538 | if (tempPart->Eta() > fEtaMax || tempPart->Eta() < fEtaMin || | |
539 | tempPart->Phi() > fPhiMax || tempPart->Phi() < fPhiMin ){ | |
540 | if (fDebug>10) Info("FillPartonTracks","Excluding particle not pointing at the EMCAL"); | |
541 | continue; | |
542 | } | |
543 | getpdg = tempPart->GetPDG(); | |
544 | if (getpdg->Charge() == 0.0 ) { | |
545 | if (fDebug>10) Info("FillPartonTracks","Excluding a neutral particle"); | |
546 | continue; | |
547 | } | |
548 | if ( (parton->Eta() - tempPart->Eta())*(parton->Eta() - tempPart->Eta()) + | |
549 | (parton->Phi() - tempPart->Phi())*(parton->Phi() - tempPart->Phi()) < 1.0 ) ntracks++; | |
550 | } | |
44f59d68 | 551 | Float_t *energy = new Float_t[ntracks]; |
552 | Float_t *eta = new Float_t[ntracks]; | |
553 | Float_t *phi = new Float_t[ntracks]; | |
554 | Int_t *pdg = new Int_t[ntracks]; | |
f7d5860b | 555 | ntracks=0; |
556 | for (Int_t part = 0; part < npart; part++) | |
557 | { | |
5d12ce38 | 558 | tempPart = gAlice->GetMCApp()->Particle(part); |
f7d5860b | 559 | if (tempPart->GetStatusCode() != 1) continue; |
560 | if (tempPart->Eta() > fEtaMax || tempPart->Eta() < fEtaMin || | |
561 | tempPart->Phi() > fPhiMax || tempPart->Phi() < fPhiMin ){ | |
562 | if (fDebug>10) Info("FillPartonTracks","Excluding particle not pointing at the EMCAL"); | |
563 | continue; | |
564 | } | |
565 | if (tempPart->GetStatusCode() != 1) continue; | |
566 | getpdg = tempPart->GetPDG(); | |
567 | if (getpdg->Charge() == 0.0 ) { | |
568 | if (fDebug>10) Info("FillPartonTracks","Excluding a neutral particle"); | |
569 | continue; | |
570 | } | |
571 | if ( (parton->Eta() - tempPart->Eta())*(parton->Eta() - tempPart->Eta()) + | |
572 | (parton->Phi() - tempPart->Phi())*(parton->Phi() - tempPart->Phi()) < 1.0 ) | |
573 | { | |
44f59d68 | 574 | energy[ntracks] = tempPart->Pt(); |
575 | eta[ntracks] = tempPart->Eta(); | |
576 | phi[ntracks] = tempPart->Phi(); | |
577 | pdg[ntracks] = tempPart->GetPdgCode(); | |
f7d5860b | 578 | ntracks++; |
579 | } | |
580 | } | |
44f59d68 | 581 | parton->SetTrackList(ntracks,energy,eta,phi,pdg); |
f7d5860b | 582 | } |
583 |