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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" | |
b3c7d6bc | 45 | #include "AliEMCALLoader.h" |
f7d5860b | 46 | #include "AliGenEventHeader.h" |
47 | #include "AliGenPythiaEventHeader.h" | |
48 | #include "AliGenerator.h" | |
49 | #include "AliHeader.h" | |
5d12ce38 | 50 | #include "AliMC.h" |
f7d5860b | 51 | |
52 | ||
b3c7d6bc | 53 | |
f7d5860b | 54 | ClassImp(AliEMCALJetFinderInputSimPrep) |
55 | ||
56 | AliEMCALJetFinderInputSimPrep::AliEMCALJetFinderInputSimPrep() | |
57 | { | |
44f59d68 | 58 | // Default constructor |
f7d5860b | 59 | if (fDebug > 0) Info("AliEMCALJetFinderInputSimPrep","Beginning Constructor"); |
60 | ||
61 | fDebug = 0; | |
62 | fSmearType = kSmearEffic; | |
63 | fEMCALType = kHits; | |
64 | fTrackType = kCharged; | |
65 | fEfficiency = 0.90; | |
66 | ||
67 | } | |
68 | AliEMCALJetFinderInputSimPrep::~AliEMCALJetFinderInputSimPrep() | |
69 | { | |
70 | if (fDebug > 0) Info("~AliEMCALJetFinderInputSimPrep","Beginning Destructor"); | |
71 | ||
72 | } | |
73 | ||
74 | void AliEMCALJetFinderInputSimPrep::Reset(AliEMCALJetFinderResetType_t resettype) | |
75 | { | |
44f59d68 | 76 | // Method to reset data |
f7d5860b | 77 | if (fDebug > 1) Info("Reset","Beginning Reset"); |
78 | switch (resettype){ | |
79 | ||
80 | case kResetData: | |
81 | fInputObject.Reset(resettype); | |
82 | break; | |
83 | case kResetTracks: | |
84 | fInputObject.Reset(resettype); | |
85 | break; | |
86 | case kResetDigits: | |
87 | fInputObject.Reset(resettype); | |
88 | break; | |
89 | case kResetParameters: | |
90 | fSmearType = kSmearEffic; | |
91 | fEMCALType = kHits; | |
92 | fTrackType = kCharged; | |
93 | break; | |
94 | case kResetAll: | |
95 | fSmearType = kSmearEffic; | |
96 | fEMCALType = kHits; | |
97 | fTrackType = kCharged; | |
98 | fInputObject.Reset(resettype); | |
99 | break; | |
100 | case kResetPartons: | |
101 | Warning("FillFromFile", "kResetPartons not implemented") ; | |
102 | break; | |
103 | case kResetParticles: | |
104 | Warning("FillFromFile", "kResetParticles not implemented") ; | |
105 | break; | |
106 | case kResetJets: | |
107 | Warning("FillFromFile", "kResetJets not implemented") ; | |
108 | break; | |
109 | }// end switch | |
110 | ||
111 | } | |
112 | ||
113 | Int_t AliEMCALJetFinderInputSimPrep::FillFromFile(TString *filename, AliEMCALJetFinderFileType_t filetype,Int_t EventNumber) | |
114 | { | |
f7d5860b | 115 | if (fDebug > 1) Info("FillFromFile","Beginning FillFromFile"); |
116 | fFileType = filetype; | |
f7d5860b | 117 | AliEMCALGetter *gime = AliEMCALGetter::Instance(filename->Data()); |
b3c7d6bc | 118 | if (fDebug > 1) Info("FillFromFile","Instantiated Getter with %s as the file",filename->Data()); |
119 | gime->Event(EventNumber,"XH") ; | |
120 | if (fDebug > 1) Info("FillFromFile","Got event %i with option \"XH\"",EventNumber); | |
121 | ||
f7d5860b | 122 | if ( fEMCALType == kHits || |
123 | fEMCALType == kTimeCut ) FillHits(); | |
124 | if ( fTrackType != kNoTracks ) FillTracks(); | |
125 | if ( fFileType != kData){ | |
126 | FillPartons(); | |
f7d5860b | 127 | } |
b3c7d6bc | 128 | /* gime->EmcalLoader()->UnloadRecParticles(); |
129 | gime->EmcalLoader()->UnloadTracks(); | |
130 | gime->Reset();*/ | |
f7d5860b | 131 | return 0; |
132 | } | |
133 | ||
44f59d68 | 134 | void AliEMCALJetFinderInputSimPrep::FillHits() |
f7d5860b | 135 | { |
44f59d68 | 136 | // Fill from the hits to input object from simulation |
f7d5860b | 137 | if (fDebug > 1) Info("FillHits","Beginning FillHits"); |
138 | ||
139 | // Access hit information | |
140 | AliEMCALHit *mHit; | |
b3c7d6bc | 141 | // AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); |
142 | // Info("AliEMCALJetFinderInputSimPrep","Title of the geometry is %s",pEMCAL->GetTitle()); | |
f7d5860b | 143 | AliEMCALGeometry* geom = AliEMCALGetter::Instance()->EMCALGeometry(); |
b3c7d6bc | 144 | AliEMCALGetter *gime = AliEMCALGetter::Instance(); |
145 | ||
146 | // TTree *treeH = AliEMCALGetter::Instance()->TreeH(); | |
147 | // Int_t ntracks = (Int_t) treeH->GetEntries(); | |
f7d5860b | 148 | // |
149 | // Loop over tracks | |
150 | // | |
f7d5860b | 151 | Double_t etH = 0.0; |
152 | ||
b3c7d6bc | 153 | /* for (Int_t track=0; track<ntracks;track++) { |
f7d5860b | 154 | gAlice->ResetHits(); |
b3c7d6bc | 155 | nbytes += treeH->GetEvent(track);*/ |
f7d5860b | 156 | // |
157 | // Loop over hits | |
158 | // | |
b3c7d6bc | 159 | for(Int_t i =0; i < gime->Hits()->GetEntries() ;i++) |
f7d5860b | 160 | { |
b3c7d6bc | 161 | mHit = gime->Hit(i); |
f7d5860b | 162 | if (fEMCALType == kTimeCut && |
163 | (mHit->GetTime()>fTimeCut) ) continue; | |
164 | Float_t x = mHit->X(); // x-pos of hit | |
165 | Float_t y = mHit->Y(); // y-pos | |
166 | Float_t z = mHit->Z(); // z-pos | |
167 | Float_t eloss = mHit->GetEnergy(); // deposited energy | |
168 | ||
169 | Float_t r = TMath::Sqrt(x*x+y*y); | |
170 | Float_t theta = TMath::ATan2(r,z); | |
171 | Float_t eta = -TMath::Log(TMath::Tan(theta/2.)); | |
172 | Float_t phi = TMath::ATan2(y,x); | |
5255a1ce | 173 | etH = eloss*TMath::Sin(theta); |
f7d5860b | 174 | if (fDebug > 10) Info("FillHits","Values of hit energy %i",Int_t(1e7*etH)); |
175 | if (geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi) == -1) | |
176 | { | |
177 | if (fDebug >5) | |
178 | { | |
179 | Error("FillHits","Hit not inside EMCAL!"); | |
180 | mHit->Dump(); | |
181 | } | |
182 | continue; | |
183 | } | |
184 | fInputObject.AddEnergyToDigit(geom->TowerIndexFromEtaPhi(eta,180.0/TMath::Pi()*phi)-1,Int_t(1e7*etH)); | |
185 | } // Hit Loop | |
b3c7d6bc | 186 | // } // Track Loop |
f7d5860b | 187 | |
188 | ||
189 | } | |
44f59d68 | 190 | void AliEMCALJetFinderInputSimPrep::FillTracks() |
f7d5860b | 191 | { |
44f59d68 | 192 | // Fill from particles simulating a TPC to input object from simulation |
f7d5860b | 193 | |
194 | if (fDebug > 1) Info("FillTracks","Beginning FillTracks"); | |
195 | ||
196 | TParticlePDG* pdgP = 0; | |
44f59d68 | 197 | TParticle *mPart; |
f7d5860b | 198 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); |
b3c7d6bc | 199 | if (fDebug > 1) Info("FillTracks","Header says there are %i primaries",npart); |
a7aa0166 | 200 | //AliEMCALGetter *gime = AliEMCALGetter::Instance(); |
f7d5860b | 201 | Float_t bfield,rEMCAL; |
b3c7d6bc | 202 | /* for (Int_t i =0; i<gime->NPrimaries(); i++) |
203 | { | |
204 | cout<<gime->Primary(i)->GetFirstMother()<<endl; | |
205 | if (gime->Primary(i)->GetFirstMother() == -1) { | |
206 | counterforus++; | |
207 | gime->Primary(i)->Dump(); | |
208 | } | |
209 | }*/ | |
f7d5860b | 210 | |
211 | if (fDebug > 1) Info("FillTracks","Defining the geometry"); | |
212 | ||
213 | AliEMCAL* pEMCAL = (AliEMCAL*) gAlice->GetModule("EMCAL"); | |
214 | AliEMCALGeometry* geom = AliEMCALGeometry::GetInstance(pEMCAL->GetTitle(), ""); | |
215 | fEtaMax = geom->GetArm1EtaMax(); | |
216 | fEtaMin = geom->GetArm1EtaMin(); | |
217 | fPhiMax = TMath::Pi()/180.0*geom->GetArm1PhiMax(); | |
218 | fPhiMin = TMath::Pi()/180.0*geom->GetArm1PhiMin(); | |
219 | ||
220 | if (fDebug > 1) Info("FillTracks","Starting particle loop"); | |
221 | ||
b3c7d6bc | 222 | if (fDebug > 1) Info("FillTracks","Particle loop of %i",npart); |
f7d5860b | 223 | for (Int_t part = 0; part < npart; part++) { |
44f59d68 | 224 | mPart = gAlice->GetMCApp()->Particle(part); |
f7d5860b | 225 | //if (part%10) gObjectTable->Print(); |
44f59d68 | 226 | pdgP = mPart->GetPDG(); |
f7d5860b | 227 | |
228 | if (fDebug > 5) Info("FillTracks","Checking if track is a primary"); | |
229 | ||
230 | if (fFileType == kPythia) { | |
44f59d68 | 231 | if (mPart->GetStatusCode() != 1) continue; |
f7d5860b | 232 | } else if (fFileType == kHijing) { |
44f59d68 | 233 | if (mPart->GetFirstDaughter() >= 0 && mPart->GetFirstDaughter() < npart) continue; |
f7d5860b | 234 | } |
235 | ||
44f59d68 | 236 | if (fDebug > 15) Info("FillTracks","Checking if track (eta - %f, phi - %f) is in acceptance",mPart->Eta(),mPart->Phi()); |
f7d5860b | 237 | if (fDebug > 10) Info("FillTracks","Checking if EMCAL acceptance ( %f < eta < %f, %f < phi < %f) is in acceptance",fEtaMin,fEtaMax,fPhiMin,fPhiMax); |
238 | ||
b3c7d6bc | 239 | if ((!fPythiaComparison)&&(mPart->Eta() > fEtaMax || mPart->Eta() < fEtaMin)) continue; |
240 | if ((!fPythiaComparison)&&(mPart->Phi() > fPhiMax || mPart->Phi() < fPhiMin)) continue; | |
f7d5860b | 241 | |
242 | /* | |
243 | {kProton, kProtonBar, kElectron, kPositron, | |
244 | kNuE, kNuEBar, kGamma, kNeutron, kNeutronBar, | |
245 | kMuonPlus, kMuonMinus, kK0Long , kPiPlus, kPiMinus, | |
246 | kKPlus, kKMinus, kLambda0, kLambda0Bar, kK0Short, | |
247 | kSigmaMinus, kSigmaPlus, kSigma0, kPi0, kK0, kK0Bar, | |
248 | 0,kNuMu,kNuMuBar | |
249 | */ | |
250 | ||
251 | if (fDebug > 15) Info("FillTracks","Checking if track is rejected"); | |
252 | ||
253 | if ((fSmearType == kEfficiency || | |
254 | fSmearType == kSmearEffic) && | |
255 | pdgP->Charge()!=0) { | |
256 | if (AliEMCALFast::RandomReject(fEfficiency)) { | |
257 | continue; | |
258 | } | |
259 | } | |
260 | ||
261 | bfield = gAlice->Field()->SolenoidField(); | |
262 | rEMCAL = AliEMCALGeometry::GetInstance()->GetIPDistance(); | |
44f59d68 | 263 | Float_t rB = 3335.6 * mPart->Pt() / bfield; // [cm] (case of |charge|=1) |
f7d5860b | 264 | if (2.*rB < rEMCAL) continue; // track curls away |
265 | ||
266 | //if (part%10) gObjectTable->Print(); | |
267 | switch(fTrackType) | |
268 | { | |
269 | ||
270 | case kAll: // All Stable particles to be included | |
271 | if (fDebug > 5) Info("FillTracks","Storing track"); | |
272 | if (fSmearType == kSmear || | |
273 | fSmearType == kSmearEffic ){ | |
44f59d68 | 274 | Smear(mPart);/* |
f7d5860b | 275 | TParticle *tmp = Smear(MPart); |
276 | fInputObject.AddTrack(Smear(MPart)); | |
277 | delete tmp;*/ | |
278 | }else{ | |
44f59d68 | 279 | fInputObject.AddTrack(*mPart); |
f7d5860b | 280 | } |
281 | break; | |
282 | case kEM: // All Electromagnetic particles | |
44f59d68 | 283 | if (mPart->GetPdgCode() == kElectron || |
284 | mPart->GetPdgCode() == kMuonPlus || | |
285 | mPart->GetPdgCode() == kMuonMinus || | |
286 | mPart->GetPdgCode() == kPositron ){ | |
f7d5860b | 287 | if (fDebug > 5) Info("FillTracks","Storing electron or positron"); |
288 | if (fSmearType == kSmear || | |
289 | fSmearType == kSmearEffic ){ | |
44f59d68 | 290 | Smear(mPart);/* |
f7d5860b | 291 | TParticle *tmp = Smear(MPart); |
292 | fInputObject.AddTrack(tmp); | |
293 | delete tmp;*/ | |
294 | }else{ | |
44f59d68 | 295 | fInputObject.AddTrack(*mPart); |
f7d5860b | 296 | } |
297 | } | |
44f59d68 | 298 | if ( mPart->GetPdgCode() == kGamma ){ |
299 | fInputObject.AddTrack(*mPart); | |
f7d5860b | 300 | if (fDebug > 5) Info("FillTracks","Storing gamma"); |
301 | } | |
302 | ||
303 | break; | |
304 | case kCharged: // All Particles with non-zero charge | |
305 | if (pdgP->Charge() != 0) { | |
306 | if (fDebug > 5) Info("FillTracks","Storing charged track"); | |
307 | if (fSmearType == kSmear || | |
308 | fSmearType == kSmearEffic ){ | |
44f59d68 | 309 | Smear(mPart);/* |
f7d5860b | 310 | TParticle *tmp = Smear(MPart); |
311 | fInputObject.AddTrack(tmp); | |
312 | delete tmp;*/ | |
313 | }else{ | |
44f59d68 | 314 | fInputObject.AddTrack(*mPart); |
f7d5860b | 315 | } |
316 | } | |
317 | break; | |
318 | case kNeutral: // All particles with no charge | |
319 | if (pdgP->Charge() == 0){ | |
44f59d68 | 320 | fInputObject.AddTrack(*mPart); |
f7d5860b | 321 | if (fDebug > 5) Info("FillTracks","Storing neutral"); |
322 | } | |
323 | break; | |
324 | case kHadron: //All hadrons | |
44f59d68 | 325 | if (mPart->GetPdgCode() != kElectron && |
326 | mPart->GetPdgCode() != kPositron && | |
327 | mPart->GetPdgCode() != kMuonPlus && | |
328 | mPart->GetPdgCode() != kMuonMinus && | |
329 | mPart->GetPdgCode() != kGamma ) | |
f7d5860b | 330 | { |
331 | if (fDebug > 5) Info("FillTracks","Storing hadron"); | |
332 | if (pdgP->Charge() == 0){ | |
44f59d68 | 333 | fInputObject.AddTrack(*mPart); |
f7d5860b | 334 | }else{ |
335 | if (fSmearType == kSmear || | |
336 | fSmearType == kSmearEffic ){ | |
44f59d68 | 337 | Smear(mPart);/* |
f7d5860b | 338 | TParticle *tmp = Smear(MPart); |
339 | fInputObject.AddTrack(tmp); | |
340 | delete tmp;*/ | |
341 | }else{ | |
44f59d68 | 342 | fInputObject.AddTrack(*mPart); |
f7d5860b | 343 | } |
344 | } | |
345 | } | |
346 | break; | |
347 | case kChargedHadron: // only charged hadrons | |
44f59d68 | 348 | if (mPart->GetPdgCode() != kElectron && |
349 | mPart->GetPdgCode() != kPositron && | |
350 | mPart->GetPdgCode() != kGamma && | |
351 | mPart->GetPdgCode() != kMuonPlus && | |
352 | mPart->GetPdgCode() != kMuonMinus && | |
f7d5860b | 353 | pdgP->Charge() != 0 ){ |
354 | if (fDebug > 5) Info("FillTracks","Storing charged hadron"); | |
355 | if (fSmearType == kSmear || | |
356 | fSmearType == kSmearEffic ){ | |
44f59d68 | 357 | Smear(mPart);/* |
f7d5860b | 358 | TParticle *tmp = Smear(MPart); |
359 | fInputObject.AddTrack(tmp); | |
360 | delete tmp;*/ | |
361 | }else{ | |
44f59d68 | 362 | fInputObject.AddTrack(*mPart); |
f7d5860b | 363 | } |
364 | } | |
365 | break; | |
366 | case kNoTracks: | |
367 | break; | |
368 | default: | |
369 | break; | |
44f59d68 | 370 | delete mPart; |
f7d5860b | 371 | } //end of switch |
372 | // Info("FillTracks","After Particle Storage"); | |
373 | //if (part%10) gObjectTable->Print(); | |
374 | ||
375 | } //end of particle loop | |
376 | //gObjectTable->Print(); | |
377 | } | |
378 | ||
44f59d68 | 379 | void AliEMCALJetFinderInputSimPrep::FillPartons() |
f7d5860b | 380 | { |
44f59d68 | 381 | // Fill partons to |
382 | // input object from simulation | |
f7d5860b | 383 | if (fDebug > 1) Info("FillPartons","Beginning FillPartons"); |
384 | ||
385 | AliGenEventHeader* evHeader = ((AliHeader*)(gAlice->GetHeader()))->GenEventHeader(); | |
386 | Float_t triggerJetValues[4]; | |
387 | AliEMCALParton tempParton; | |
388 | ||
389 | if (fFileType == kPythia) | |
390 | { | |
391 | Int_t ntriggerjets = ((AliGenPythiaEventHeader*)evHeader)->NTriggerJets(); | |
392 | if (fDebug > 1) Info("FillPartons","Number of trigger jets --> %i",ntriggerjets); | |
393 | for (Int_t jetcounter = 0 ; jetcounter < ntriggerjets; jetcounter++){ | |
394 | ((AliGenPythiaEventHeader*)evHeader)->TriggerJet(jetcounter,triggerJetValues); | |
395 | TLorentzVector tempLParton; | |
396 | tempLParton.SetPxPyPzE(triggerJetValues[0],triggerJetValues[1],triggerJetValues[2],triggerJetValues[3]); | |
397 | tempParton.SetEnergy(tempLParton.Energy()); | |
398 | tempParton.SetEta(tempLParton.Eta()); | |
399 | tempParton.SetPhi(tempLParton.Phi()); | |
400 | FillPartonTracks(&tempParton); | |
401 | fInputObject.AddParton(&tempParton); | |
402 | } | |
403 | ||
404 | } | |
405 | } | |
406 | ||
44f59d68 | 407 | void AliEMCALJetFinderInputSimPrep::FillParticles() |
f7d5860b | 408 | { |
44f59d68 | 409 | // Fill particles to input object from simulation |
f7d5860b | 410 | if (fDebug > 1) Info("FillParticles","Beginning FillParticles"); |
411 | ||
412 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
413 | TParticlePDG* pdgP = 0; | |
414 | ||
415 | for (Int_t part = 0; part < npart; part++) { | |
44f59d68 | 416 | TParticle *mPart = gAlice->GetMCApp()->Particle(part); |
417 | pdgP = mPart->GetPDG(); | |
f7d5860b | 418 | |
419 | if (fDebug > 10) Info("FillParticles","Checking if particle is a primary"); | |
420 | ||
421 | if (fFileType == kPythia) { | |
44f59d68 | 422 | if (mPart->GetStatusCode() != 1) continue; |
f7d5860b | 423 | } else if (fFileType == kHijing) { |
44f59d68 | 424 | if (mPart->GetFirstDaughter() >= 0 && mPart->GetFirstDaughter() < npart) continue; |
f7d5860b | 425 | } |
426 | ||
427 | if (fDebug > 10) Info("FillParticles","Checking if particle is in acceptance"); | |
428 | ||
b3c7d6bc | 429 | if ((!fPythiaComparison)&&(mPart->Eta() > fEtaMax || mPart->Eta() < fEtaMin)) continue; |
430 | if ((!fPythiaComparison)&&(mPart->Phi() > fPhiMax || mPart->Phi() < fPhiMin)) continue; | |
f7d5860b | 431 | |
432 | ||
433 | /* | |
434 | {kProton, kProtonBar, kElectron, kPositron, | |
435 | kNuE, kNuEBar, kGamma, kNeutron, kNeutronBar, | |
436 | kMuonPlus, kMuonMinus, kK0Long , kPiPlus, kPiMinus, | |
437 | kKPlus, kKMinus, kLambda0, kLambda0Bar, kK0Short, | |
438 | kSigmaMinus, kSigmaPlus, kSigma0, kPi0, kK0, kK0Bar, | |
439 | 0,kNuMu,kNuMuBar | |
440 | */ | |
441 | switch(fTrackType) | |
442 | { | |
443 | ||
444 | case kAll: // All Stable particles to be included | |
445 | if (fDebug > 5) Info("FillParticles","Storing particle"); | |
44f59d68 | 446 | fInputObject.AddParticle(mPart); |
f7d5860b | 447 | break; |
448 | case kEM: // All Electromagnetic particles | |
44f59d68 | 449 | if (mPart->GetPdgCode() == kElectron || |
450 | mPart->GetPdgCode() == kPositron || | |
451 | mPart->GetPdgCode() == kGamma){ | |
f7d5860b | 452 | if (fDebug > 5) Info("FillParticles","Storing electromagnetic particle"); |
44f59d68 | 453 | fInputObject.AddParticle(mPart); |
f7d5860b | 454 | } |
455 | break; | |
456 | case kCharged: // All Particles with non-zero charge | |
457 | if (pdgP->Charge() != 0) { | |
458 | if (fDebug > 5) Info("FillParticles","Storing charged particle"); | |
44f59d68 | 459 | fInputObject.AddParticle(mPart); |
f7d5860b | 460 | } |
461 | break; | |
462 | case kNeutral: // All particles with no charge | |
463 | if (pdgP->Charge() == 0){ | |
464 | if (fDebug > 5) Info("FillParticles","Storing neutral particle"); | |
44f59d68 | 465 | fInputObject.AddParticle(mPart); |
f7d5860b | 466 | } |
467 | break; | |
468 | case kHadron: //All hadrons | |
44f59d68 | 469 | if (mPart->GetPdgCode() != kElectron && |
470 | mPart->GetPdgCode() != kPositron && | |
471 | mPart->GetPdgCode() != kGamma ) | |
f7d5860b | 472 | { |
473 | ||
474 | if (fDebug > 5) Info("FillParticles","Storing hadron"); | |
44f59d68 | 475 | fInputObject.AddParticle(mPart); |
f7d5860b | 476 | } |
477 | break; | |
478 | case kChargedHadron: // only charged hadrons | |
44f59d68 | 479 | if (mPart->GetPdgCode() != kElectron && |
480 | mPart->GetPdgCode() != kPositron && | |
481 | mPart->GetPdgCode() != kGamma && | |
f7d5860b | 482 | pdgP->Charge() != 0 ){ |
483 | if (fDebug > 5) Info("FillParticles","Storing charged hadron"); | |
44f59d68 | 484 | fInputObject.AddParticle(mPart); |
f7d5860b | 485 | } |
486 | break; | |
487 | case kNoTracks: | |
488 | break; | |
489 | default: | |
490 | break; | |
491 | } //end of switch | |
492 | }// end of loop over particles | |
493 | ||
494 | } | |
44f59d68 | 495 | void AliEMCALJetFinderInputSimPrep::FillDigits() |
f7d5860b | 496 | { |
44f59d68 | 497 | // Fill digits to input object |
f7d5860b | 498 | |
499 | } | |
500 | ||
501 | void AliEMCALJetFinderInputSimPrep::Smear(TParticle *particle) | |
502 | { | |
44f59d68 | 503 | // Smear particle momentum |
f7d5860b | 504 | if (fDebug > 5) Info("Smear","Beginning Smear"); |
505 | ||
506 | Float_t tmp = AliEMCALFast::SmearMomentum(1,particle->P()); | |
507 | Float_t tmpt = (tmp/particle->P()) * particle->Pt(); | |
508 | if (fDebug > 10) Info("Smear","Smearing changed P from %f to %f",particle->Pt(),tmpt); | |
509 | TLorentzVector tmpvector; | |
510 | tmpvector.SetPtEtaPhiM(tmpt,particle->Eta(), particle->Phi(), particle->GetMass()); | |
511 | // create a new particle with smearing momentum - and no daughter or parent information and the same | |
512 | // vertex | |
513 | ||
514 | TParticle tmparticle(particle->GetPdgCode(), 1, 0, 0,0,0, | |
515 | tmpvector.Px() , tmpvector.Py(), tmpvector.Pz(), tmpvector.Energy(), | |
516 | particle->Vx(), particle->Vy(), particle->Vz(), particle->T()); | |
517 | fInputObject.AddTrack(tmparticle); | |
518 | return; | |
519 | } | |
520 | ||
521 | void AliEMCALJetFinderInputSimPrep::FillPartonTracks(AliEMCALParton *parton) | |
522 | { | |
44f59d68 | 523 | // Populate parton tracks for input distributions |
f7d5860b | 524 | if (fDebug>1) Info("FillPartonTracks","Beginning FillPartonTracks"); |
525 | Int_t npart = (gAlice->GetHeader())->GetNprimary(); | |
526 | Int_t ntracks =0; | |
527 | TParticlePDG *getpdg; | |
528 | TParticle *tempPart; | |
529 | for (Int_t part = 0; part < npart; part++) | |
530 | { | |
5d12ce38 | 531 | tempPart = gAlice->GetMCApp()->Particle(part); |
f7d5860b | 532 | if (tempPart->GetStatusCode() != 1) continue; |
b3c7d6bc | 533 | if ((!fPythiaComparison)&&(tempPart->Eta() > fEtaMax || tempPart->Eta() < fEtaMin || |
534 | tempPart->Phi() > fPhiMax || tempPart->Phi() < fPhiMin) ){ | |
f7d5860b | 535 | if (fDebug>10) Info("FillPartonTracks","Excluding particle not pointing at the EMCAL"); |
536 | continue; | |
537 | } | |
538 | getpdg = tempPart->GetPDG(); | |
539 | if (getpdg->Charge() == 0.0 ) { | |
540 | if (fDebug>10) Info("FillPartonTracks","Excluding a neutral particle"); | |
541 | continue; | |
542 | } | |
543 | if ( (parton->Eta() - tempPart->Eta())*(parton->Eta() - tempPart->Eta()) + | |
544 | (parton->Phi() - tempPart->Phi())*(parton->Phi() - tempPart->Phi()) < 1.0 ) ntracks++; | |
545 | } | |
44f59d68 | 546 | Float_t *energy = new Float_t[ntracks]; |
547 | Float_t *eta = new Float_t[ntracks]; | |
548 | Float_t *phi = new Float_t[ntracks]; | |
549 | Int_t *pdg = new Int_t[ntracks]; | |
f7d5860b | 550 | ntracks=0; |
551 | for (Int_t part = 0; part < npart; part++) | |
552 | { | |
5d12ce38 | 553 | tempPart = gAlice->GetMCApp()->Particle(part); |
f7d5860b | 554 | if (tempPart->GetStatusCode() != 1) continue; |
b3c7d6bc | 555 | if ((!fPythiaComparison)&&(tempPart->Eta() > fEtaMax || tempPart->Eta() < fEtaMin || |
556 | tempPart->Phi() > fPhiMax || tempPart->Phi() < fPhiMin) ){ | |
f7d5860b | 557 | if (fDebug>10) Info("FillPartonTracks","Excluding particle not pointing at the EMCAL"); |
558 | continue; | |
559 | } | |
560 | if (tempPart->GetStatusCode() != 1) continue; | |
561 | getpdg = tempPart->GetPDG(); | |
562 | if (getpdg->Charge() == 0.0 ) { | |
563 | if (fDebug>10) Info("FillPartonTracks","Excluding a neutral particle"); | |
564 | continue; | |
565 | } | |
566 | if ( (parton->Eta() - tempPart->Eta())*(parton->Eta() - tempPart->Eta()) + | |
567 | (parton->Phi() - tempPart->Phi())*(parton->Phi() - tempPart->Phi()) < 1.0 ) | |
568 | { | |
44f59d68 | 569 | energy[ntracks] = tempPart->Pt(); |
570 | eta[ntracks] = tempPart->Eta(); | |
571 | phi[ntracks] = tempPart->Phi(); | |
572 | pdg[ntracks] = tempPart->GetPdgCode(); | |
f7d5860b | 573 | ntracks++; |
574 | } | |
575 | } | |
44f59d68 | 576 | parton->SetTrackList(ntracks,energy,eta,phi,pdg); |
b3c7d6bc | 577 | delete[] energy; |
578 | delete[] eta; | |
579 | delete[] phi; | |
580 | delete[] pdg; | |
f7d5860b | 581 | } |
582 |