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