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9e1a0ddb | 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 | ||
acd84897 | 16 | /* $Id$ */ |
9e1a0ddb | 17 | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
af7ba10c | 20 | // Particles stack class // |
21 | // Implements the TMCVirtualStack of the Virtual Monte Carlo // | |
22 | // Holds the particles transported during simulation // | |
23 | // Is used to compare results of reconstruction with simulation // | |
24 | // Author A.Morsch // | |
9e1a0ddb | 25 | // // |
26 | /////////////////////////////////////////////////////////////////////////////// | |
27 | ||
9e1a0ddb | 28 | |
29 | #include <TObjArray.h> | |
30 | #include <TParticle.h> | |
fe046ade | 31 | #include <TParticlePDG.h> |
1fed0e8b | 32 | #include <TPDGCode.h> |
9e1a0ddb | 33 | #include <TTree.h> |
9e1a0ddb | 34 | |
21bf7095 | 35 | #include "AliLog.h" |
9e1a0ddb | 36 | #include "AliHit.h" |
88cb7938 | 37 | #include "AliModule.h" |
38 | #include "AliRun.h" | |
5d12ce38 | 39 | #include "AliMC.h" |
88cb7938 | 40 | #include "AliRunLoader.h" |
41 | #include "AliStack.h" | |
9e1a0ddb | 42 | |
43 | ClassImp(AliStack) | |
44 | ||
e2afb3b6 | 45 | //_______________________________________________________________________ |
46 | AliStack::AliStack(): | |
47 | fParticles(0), | |
48 | fParticleMap(0), | |
49 | fParticleFileMap(0), | |
50 | fParticleBuffer(0), | |
90e48c0c | 51 | fCurrentTrack(0), |
e2afb3b6 | 52 | fTreeK(0), |
53 | fNtrack(0), | |
54 | fNprimary(0), | |
55 | fCurrent(-1), | |
56 | fCurrentPrimary(-1), | |
57 | fHgwmk(0), | |
88cb7938 | 58 | fLoadPoint(0), |
e191bb57 | 59 | fEventFolderName(AliConfig::GetDefaultEventFolderName()) |
9e1a0ddb | 60 | { |
61 | // | |
e2afb3b6 | 62 | // Default constructor |
9e1a0ddb | 63 | // |
9e1a0ddb | 64 | } |
65 | ||
e2afb3b6 | 66 | //_______________________________________________________________________ |
88cb7938 | 67 | AliStack::AliStack(Int_t size, const char* evfoldname): |
e2afb3b6 | 68 | fParticles(new TClonesArray("TParticle",1000)), |
69 | fParticleMap(new TObjArray(size)), | |
70 | fParticleFileMap(0), | |
71 | fParticleBuffer(0), | |
90e48c0c | 72 | fCurrentTrack(0), |
e2afb3b6 | 73 | fTreeK(0), |
74 | fNtrack(0), | |
75 | fNprimary(0), | |
76 | fCurrent(-1), | |
77 | fCurrentPrimary(-1), | |
78 | fHgwmk(0), | |
88cb7938 | 79 | fLoadPoint(0), |
80 | fEventFolderName(evfoldname) | |
e2afb3b6 | 81 | { |
82 | // | |
83 | // Constructor | |
84 | // | |
85 | } | |
9e1a0ddb | 86 | |
e2afb3b6 | 87 | //_______________________________________________________________________ |
88 | AliStack::AliStack(const AliStack& st): | |
89 | TVirtualMCStack(st), | |
90 | fParticles(0), | |
91 | fParticleMap(0), | |
92 | fParticleFileMap(0), | |
93 | fParticleBuffer(0), | |
90e48c0c | 94 | fCurrentTrack(0), |
e2afb3b6 | 95 | fTreeK(0), |
96 | fNtrack(0), | |
97 | fNprimary(0), | |
98 | fCurrent(-1), | |
99 | fCurrentPrimary(-1), | |
100 | fHgwmk(0), | |
90e48c0c | 101 | fLoadPoint(0), |
102 | fEventFolderName() | |
9e1a0ddb | 103 | { |
104 | // | |
e2afb3b6 | 105 | // Copy constructor |
9e1a0ddb | 106 | // |
e2afb3b6 | 107 | st.Copy(*this); |
9e1a0ddb | 108 | } |
109 | ||
e2afb3b6 | 110 | //_______________________________________________________________________ |
6c4904c2 | 111 | void AliStack::Copy(TObject&) const |
e2afb3b6 | 112 | { |
21bf7095 | 113 | AliFatal("Not implemented!"); |
e2afb3b6 | 114 | } |
9e1a0ddb | 115 | |
e2afb3b6 | 116 | //_______________________________________________________________________ |
9e1a0ddb | 117 | AliStack::~AliStack() |
118 | { | |
119 | // | |
120 | // Destructor | |
121 | // | |
122 | ||
123 | if (fParticles) { | |
124 | fParticles->Delete(); | |
125 | delete fParticles; | |
126 | } | |
127 | delete fParticleMap; | |
88cb7938 | 128 | //PH??? delete fTreeK; |
9e1a0ddb | 129 | } |
130 | ||
131 | // | |
132 | // public methods | |
133 | // | |
134 | ||
135 | //_____________________________________________________________________________ | |
642f15cf | 136 | void AliStack::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, |
88cb7938 | 137 | Float_t *vpos, Float_t *polar, Float_t tof, |
138 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) | |
9e1a0ddb | 139 | { |
140 | // | |
141 | // Load a track on the stack | |
142 | // | |
143 | // done 0 if the track has to be transported | |
144 | // 1 if not | |
145 | // parent identifier of the parent track. -1 for a primary | |
146 | // pdg particle code | |
147 | // pmom momentum GeV/c | |
148 | // vpos position | |
149 | // polar polarisation | |
150 | // tof time of flight in seconds | |
151 | // mecha production mechanism | |
152 | // ntr on output the number of the track stored | |
153 | // | |
154 | ||
9e1a0ddb | 155 | // const Float_t tlife=0; |
156 | ||
157 | // | |
158 | // Here we get the static mass | |
159 | // For MC is ok, but a more sophisticated method could be necessary | |
160 | // if the calculated mass is required | |
161 | // also, this method is potentially dangerous if the mass | |
162 | // used in the MC is not the same of the PDG database | |
163 | // | |
fe046ade | 164 | TParticlePDG* pmc = TDatabasePDG::Instance()->GetParticle(pdg); |
165 | if (pmc) { | |
166 | Float_t mass = TDatabasePDG::Instance()->GetParticle(pdg)->Mass(); | |
167 | Float_t e=TMath::Sqrt(mass*mass+pmom[0]*pmom[0]+ | |
168 | pmom[1]*pmom[1]+pmom[2]*pmom[2]); | |
169 | ||
ccf7a81f | 170 | // printf("Loading mass %f ene %f No %d ip %d parent %d done %d pos %f %f %f mom %f %f %f kS %d m \n", |
171 | // mass,e,fNtrack,pdg,parent,done,vpos[0],vpos[1],vpos[2],pmom[0],pmom[1],pmom[2],kS); | |
172 | ||
9e1a0ddb | 173 | |
642f15cf | 174 | PushTrack(done, parent, pdg, pmom[0], pmom[1], pmom[2], e, |
fe046ade | 175 | vpos[0], vpos[1], vpos[2], tof, polar[0], polar[1], polar[2], |
176 | mech, ntr, weight, is); | |
177 | } else { | |
21bf7095 | 178 | AliWarning(Form("Particle type %d not defined in PDG Database !", pdg)); |
179 | AliWarning("Particle skipped !"); | |
fe046ade | 180 | } |
9e1a0ddb | 181 | } |
182 | ||
183 | //_____________________________________________________________________________ | |
642f15cf | 184 | void AliStack::PushTrack(Int_t done, Int_t parent, Int_t pdg, |
9e1a0ddb | 185 | Double_t px, Double_t py, Double_t pz, Double_t e, |
186 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
187 | Double_t polx, Double_t poly, Double_t polz, | |
98490ea9 | 188 | TMCProcess mech, Int_t &ntr, Double_t weight, Int_t is) |
9e1a0ddb | 189 | { |
190 | // | |
191 | // Load a track on the stack | |
192 | // | |
193 | // done 0 if the track has to be transported | |
194 | // 1 if not | |
195 | // parent identifier of the parent track. -1 for a primary | |
196 | // pdg particle code | |
197 | // kS generation status code | |
198 | // px, py, pz momentum GeV/c | |
199 | // vx, vy, vz position | |
200 | // polar polarisation | |
201 | // tof time of flight in seconds | |
202 | // mech production mechanism | |
203 | // ntr on output the number of the track stored | |
204 | // | |
205 | // New method interface: | |
206 | // arguments were changed to be in correspondence with TParticle | |
207 | // constructor. | |
208 | // Note: the energy is not calculated from the static mass but | |
209 | // it is passed by argument e. | |
210 | ||
211 | ||
9e1a0ddb | 212 | const Int_t kFirstDaughter=-1; |
213 | const Int_t kLastDaughter=-1; | |
6308b375 | 214 | |
215 | ||
9e1a0ddb | 216 | TClonesArray &particles = *fParticles; |
217 | TParticle* particle | |
218 | = new(particles[fLoadPoint++]) | |
47c8bcbe | 219 | TParticle(pdg, is, parent, -1, kFirstDaughter, kLastDaughter, |
9e1a0ddb | 220 | px, py, pz, e, vx, vy, vz, tof); |
221 | ||
222 | particle->SetPolarisation(polx, poly, polz); | |
223 | particle->SetWeight(weight); | |
224 | particle->SetUniqueID(mech); | |
225 | ||
226 | if(!done) particle->SetBit(kDoneBit); | |
227 | ||
228 | // Declare that the daughter information is valid | |
229 | particle->SetBit(kDaughtersBit); | |
230 | // Add the particle to the stack | |
6308b375 | 231 | |
232 | ||
9e1a0ddb | 233 | fParticleMap->AddAtAndExpand(particle, fNtrack);//CHECK!! |
234 | ||
235 | if(parent>=0) { | |
e2afb3b6 | 236 | particle = dynamic_cast<TParticle*>(fParticleMap->At(parent)); |
1305ca2f | 237 | if (particle) { |
238 | particle->SetLastDaughter(fNtrack); | |
239 | if(particle->GetFirstDaughter()<0) particle->SetFirstDaughter(fNtrack); | |
240 | } | |
241 | else { | |
21bf7095 | 242 | AliError(Form("Parent %d does not exist",parent)); |
1305ca2f | 243 | } |
9e1a0ddb | 244 | } |
245 | else { | |
246 | // | |
247 | // This is a primary track. Set high water mark for this event | |
248 | fHgwmk = fNtrack; | |
249 | // | |
250 | // Set also number if primary tracks | |
251 | fNprimary = fHgwmk+1; | |
252 | fCurrentPrimary++; | |
253 | } | |
254 | ntr = fNtrack++; | |
255 | } | |
256 | ||
257 | //_____________________________________________________________________________ | |
642f15cf | 258 | TParticle* AliStack::PopNextTrack(Int_t& itrack) |
b9d0a01d | 259 | { |
260 | // | |
261 | // Returns next track from stack of particles | |
262 | // | |
263 | ||
264 | ||
265 | TParticle* track = GetNextParticle(); | |
266 | ||
267 | if (track) { | |
268 | itrack = fCurrent; | |
269 | track->SetBit(kDoneBit); | |
270 | } | |
fe046ade | 271 | else |
b9d0a01d | 272 | itrack = -1; |
fe046ade | 273 | |
274 | fCurrentTrack = track; | |
b9d0a01d | 275 | return track; |
276 | } | |
277 | ||
b9d0a01d | 278 | //_____________________________________________________________________________ |
642f15cf | 279 | TParticle* AliStack::PopPrimaryForTracking(Int_t i) |
b9d0a01d | 280 | { |
281 | // | |
282 | // Returns i-th primary particle if it is flagged to be tracked, | |
283 | // 0 otherwise | |
284 | // | |
285 | ||
286 | TParticle* particle = Particle(i); | |
287 | ||
288 | if (!particle->TestBit(kDoneBit)) | |
289 | return particle; | |
290 | else | |
291 | return 0; | |
292 | } | |
293 | ||
9e1a0ddb | 294 | //_____________________________________________________________________________ |
295 | void AliStack::PurifyKine() | |
296 | { | |
297 | // | |
298 | // Compress kinematic tree keeping only flagged particles | |
299 | // and renaming the particle id's in all the hits | |
300 | // | |
301 | ||
302 | TObjArray &particles = *fParticleMap; | |
303 | int nkeep=fHgwmk+1, parent, i; | |
304 | TParticle *part, *father; | |
305 | TArrayI map(particles.GetLast()+1); | |
306 | ||
307 | // Save in Header total number of tracks before compression | |
9e1a0ddb | 308 | // If no tracks generated return now |
309 | if(fHgwmk+1 == fNtrack) return; | |
310 | ||
9e1a0ddb | 311 | // First pass, invalid Daughter information |
1fed0e8b | 312 | for(i=0; i<fNtrack; i++) { |
9e1a0ddb | 313 | // Preset map, to be removed later |
314 | if(i<=fHgwmk) map[i]=i ; | |
315 | else { | |
316 | map[i] = -99; | |
e2afb3b6 | 317 | if((part=dynamic_cast<TParticle*>(particles.At(i)))) { |
e44c5340 | 318 | // |
319 | // Check of this track should be kept for physics reasons | |
88cb7938 | 320 | if (KeepPhysics(part)) KeepTrack(i); |
e44c5340 | 321 | // |
76969085 | 322 | part->ResetBit(kDaughtersBit); |
323 | part->SetFirstDaughter(-1); | |
324 | part->SetLastDaughter(-1); | |
325 | } | |
9e1a0ddb | 326 | } |
327 | } | |
328 | // Invalid daughter information for the parent of the first particle | |
329 | // generated. This may or may not be the current primary according to | |
330 | // whether decays have been recorded among the primaries | |
e2afb3b6 | 331 | part = dynamic_cast<TParticle*>(particles.At(fHgwmk+1)); |
9e1a0ddb | 332 | particles.At(part->GetFirstMother())->ResetBit(kDaughtersBit); |
333 | // Second pass, build map between old and new numbering | |
334 | for(i=fHgwmk+1; i<fNtrack; i++) { | |
335 | if(particles.At(i)->TestBit(kKeepBit)) { | |
336 | ||
337 | // This particle has to be kept | |
338 | map[i]=nkeep; | |
339 | // If old and new are different, have to move the pointer | |
340 | if(i!=nkeep) particles[nkeep]=particles.At(i); | |
e2afb3b6 | 341 | part = dynamic_cast<TParticle*>(particles.At(nkeep)); |
9e1a0ddb | 342 | |
343 | // as the parent is always *before*, it must be already | |
344 | // in place. This is what we are checking anyway! | |
345 | if((parent=part->GetFirstMother())>fHgwmk) | |
346 | if(map[parent]==-99) Fatal("PurifyKine","map[%d] = -99!\n",parent); | |
347 | else part->SetFirstMother(map[parent]); | |
348 | ||
349 | nkeep++; | |
350 | } | |
351 | } | |
352 | ||
353 | // Fix daughters information | |
354 | for (i=fHgwmk+1; i<nkeep; i++) { | |
e2afb3b6 | 355 | part = dynamic_cast<TParticle*>(particles.At(i)); |
9e1a0ddb | 356 | parent = part->GetFirstMother(); |
357 | if(parent>=0) { | |
e2afb3b6 | 358 | father = dynamic_cast<TParticle*>(particles.At(parent)); |
9e1a0ddb | 359 | if(father->TestBit(kDaughtersBit)) { |
360 | ||
361 | if(i<father->GetFirstDaughter()) father->SetFirstDaughter(i); | |
362 | if(i>father->GetLastDaughter()) father->SetLastDaughter(i); | |
363 | } else { | |
364 | // Initialise daughters info for first pass | |
365 | father->SetFirstDaughter(i); | |
366 | father->SetLastDaughter(i); | |
367 | father->SetBit(kDaughtersBit); | |
368 | } | |
369 | } | |
370 | } | |
a1d92a3f | 371 | |
9e1a0ddb | 372 | |
373 | // Now loop on all registered hit lists | |
5d12ce38 | 374 | TList* hitLists = gAlice->GetMCApp()->GetHitLists(); |
9e1a0ddb | 375 | TIter next(hitLists); |
376 | TCollection *hitList; | |
6308b375 | 377 | |
e2afb3b6 | 378 | while((hitList = dynamic_cast<TCollection*>(next()))) { |
9e1a0ddb | 379 | TIter nexthit(hitList); |
380 | AliHit *hit; | |
1fed0e8b | 381 | |
e2afb3b6 | 382 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { |
6308b375 | 383 | hit->SetTrack(map[hit->GetTrack()]); |
9e1a0ddb | 384 | } |
385 | } | |
386 | ||
387 | // | |
388 | // This for detectors which have a special mapping mechanism | |
389 | // for hits, such as TPC and TRD | |
390 | // | |
2b22f272 | 391 | |
9e1a0ddb | 392 | TObjArray* modules = gAlice->Modules(); |
393 | TIter nextmod(modules); | |
394 | AliModule *detector; | |
e2afb3b6 | 395 | while((detector = dynamic_cast<AliModule*>(nextmod()))) { |
9e1a0ddb | 396 | detector->RemapTrackHitIDs(map.GetArray()); |
ae9676e4 | 397 | detector->RemapTrackReferencesIDs(map.GetArray()); |
9e1a0ddb | 398 | } |
2b22f272 | 399 | // |
5d12ce38 | 400 | gAlice->GetMCApp()->RemapTrackReferencesIDs(map.GetArray()); |
2b22f272 | 401 | |
9e1a0ddb | 402 | // Now the output bit, from fHgwmk to nkeep we write everything and we erase |
403 | if(nkeep>fParticleFileMap.GetSize()) fParticleFileMap.Set(Int_t (nkeep*1.5)); | |
404 | ||
405 | for (i=fHgwmk+1; i<nkeep; ++i) { | |
e2afb3b6 | 406 | fParticleBuffer = dynamic_cast<TParticle*>(particles.At(i)); |
88cb7938 | 407 | fParticleFileMap[i]=static_cast<Int_t>(TreeK()->GetEntries()); |
408 | TreeK()->Fill(); | |
17f4a3d9 | 409 | particles[i]=fParticleBuffer=0; |
88cb7938 | 410 | } |
9e1a0ddb | 411 | |
412 | for (i=nkeep; i<fNtrack; ++i) particles[i]=0; | |
413 | ||
76969085 | 414 | Int_t toshrink = fNtrack-fHgwmk-1; |
9e1a0ddb | 415 | fLoadPoint-=toshrink; |
6308b375 | 416 | |
417 | ||
9e1a0ddb | 418 | for(i=fLoadPoint; i<fLoadPoint+toshrink; ++i) fParticles->RemoveAt(i); |
419 | ||
420 | fNtrack=nkeep; | |
421 | fHgwmk=nkeep-1; | |
6308b375 | 422 | } |
423 | ||
424 | void AliStack::ReorderKine() | |
425 | { | |
426 | // | |
427 | // In some transport code children might not come in a continuous sequence. | |
428 | // In this case the stack has to be reordered in order to establish the | |
429 | // mother daughter relation using index ranges. | |
430 | // | |
431 | if(fHgwmk+1 == fNtrack) return; | |
432 | ||
433 | // | |
434 | // Howmany secondaries have been produced ? | |
435 | Int_t nNew = fNtrack - fHgwmk - 1; | |
a1d92a3f | 436 | |
6308b375 | 437 | if (nNew > 0) { |
438 | Int_t i, j; | |
439 | TObjArray &particles = *fParticleMap; | |
440 | TArrayI map1(nNew); | |
441 | // | |
442 | // Copy pointers to temporary array | |
443 | TParticle** tmp = new TParticle*[nNew]; | |
444 | ||
445 | for (i = 0; i < nNew; i++) { | |
446 | if (particles.At(fHgwmk + 1 + i)) { | |
6308b375 | 447 | tmp[i] = (TParticle*) (particles.At(fHgwmk + 1 + i)); |
6308b375 | 448 | } else { |
449 | tmp[i] = 0x0; | |
450 | } | |
451 | map1[i] = -99; | |
452 | } | |
453 | ||
454 | ||
455 | // | |
456 | // Reset LoadPoint | |
457 | // | |
458 | fLoadPoint = fHgwmk + 1; | |
459 | // | |
460 | // Re-Push particles into stack | |
461 | // The outer loop is over parents, the inner over children. | |
462 | // -1 refers to the primary particle | |
463 | // | |
a1d92a3f | 464 | for (i = -1; i < nNew-1; i++) { |
6308b375 | 465 | Int_t ipa; |
466 | TParticle* parP; | |
467 | if (i == -1) { | |
468 | ipa = tmp[0]->GetFirstMother(); | |
469 | parP =dynamic_cast<TParticle*>(particles.At(ipa)); | |
470 | } else { | |
471 | ipa = (fHgwmk + 1 + i); | |
472 | // Skip deleted particles | |
473 | if (!tmp[i]) continue; | |
474 | // Skip particles without children | |
475 | if (tmp[i]->GetFirstDaughter() == -1) continue; | |
476 | parP = tmp[i]; | |
477 | } | |
478 | // Reset daughter information | |
a1d92a3f | 479 | |
480 | Int_t idaumin = parP->GetFirstDaughter() - fHgwmk - 1; | |
481 | Int_t idaumax = parP->GetLastDaughter() - fHgwmk - 1; | |
6308b375 | 482 | parP->SetFirstDaughter(-1); |
483 | parP->SetLastDaughter(-1); | |
a1d92a3f | 484 | for (j = idaumin; j <= idaumax; j++) { |
6308b375 | 485 | // Skip deleted particles |
486 | if (!tmp[j]) continue; | |
487 | // Skip particles already handled | |
488 | if (map1[j] != -99) continue; | |
489 | Int_t jpa = tmp[j]->GetFirstMother(); | |
490 | // Check if daughter of current parent | |
491 | if (jpa == ipa) { | |
492 | particles[fLoadPoint] = tmp[j]; | |
493 | // Re-establish daughter information | |
494 | parP->SetLastDaughter(fLoadPoint); | |
495 | if (parP->GetFirstDaughter() == -1) parP->SetFirstDaughter(fLoadPoint); | |
496 | // Set Mother information | |
497 | if (i != -1) { | |
498 | tmp[j]->SetFirstMother(map1[i]); | |
499 | } | |
500 | // Build the map | |
501 | map1[j] = fLoadPoint; | |
502 | // Increase load point | |
503 | fLoadPoint++; | |
504 | } | |
505 | } // children | |
506 | } // parents | |
507 | ||
508 | delete[] tmp; | |
509 | ||
510 | // | |
511 | // Build map for remapping of hits | |
512 | // | |
513 | TArrayI map(fNtrack); | |
514 | for (i = 0; i < fNtrack; i ++) { | |
515 | if (i <= fHgwmk) { | |
516 | map[i] = i; | |
517 | } else{ | |
518 | map[i] = map1[i - fHgwmk -1]; | |
519 | } | |
520 | } | |
521 | ||
522 | // Now loop on all registered hit lists | |
523 | ||
524 | TList* hitLists = gAlice->GetMCApp()->GetHitLists(); | |
525 | TIter next(hitLists); | |
526 | TCollection *hitList; | |
527 | ||
528 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
529 | TIter nexthit(hitList); | |
530 | AliHit *hit; | |
531 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
532 | hit->SetTrack(map[hit->GetTrack()]); | |
533 | } | |
534 | } | |
535 | ||
536 | // | |
537 | // This for detectors which have a special mapping mechanism | |
538 | // for hits, such as TPC and TRD | |
539 | // | |
540 | ||
541 | TObjArray* modules = gAlice->Modules(); | |
542 | TIter nextmod(modules); | |
543 | AliModule *detector; | |
544 | while((detector = dynamic_cast<AliModule*>(nextmod()))) { | |
545 | detector->RemapTrackHitIDs(map.GetArray()); | |
546 | detector->RemapTrackReferencesIDs(map.GetArray()); | |
547 | } | |
548 | gAlice->GetMCApp()->RemapTrackReferencesIDs(map.GetArray()); | |
549 | } // new particles poduced | |
9e1a0ddb | 550 | } |
551 | ||
e44c5340 | 552 | Bool_t AliStack::KeepPhysics(TParticle* part) |
553 | { | |
554 | // | |
555 | // Some particles have to kept on the stack for reasons motivated | |
556 | // by physics analysis. Decision is put here. | |
557 | // | |
558 | Bool_t keep = kFALSE; | |
559 | // | |
560 | // Keep first-generation daughter from primaries with heavy flavor | |
561 | // | |
562 | Int_t parent = part->GetFirstMother(); | |
563 | if (parent >= 0 && parent <= fHgwmk) { | |
e2afb3b6 | 564 | TParticle* father = dynamic_cast<TParticle*>(Particles()->At(parent)); |
e44c5340 | 565 | Int_t kf = father->GetPdgCode(); |
566 | kf = TMath::Abs(kf); | |
567 | Int_t kfl = kf; | |
568 | // meson ? | |
569 | if (kfl > 10) kfl/=100; | |
570 | // baryon | |
571 | if (kfl > 10) kfl/=10; | |
572 | if (kfl > 10) kfl/=10; | |
573 | if (kfl >= 4) { | |
574 | keep = kTRUE; | |
575 | } | |
576 | } | |
577 | return keep; | |
578 | } | |
579 | ||
9e1a0ddb | 580 | //_____________________________________________________________________________ |
581 | void AliStack::FinishEvent() | |
582 | { | |
88cb7938 | 583 | // |
584 | // Write out the kinematics that was not yet filled | |
585 | // | |
9e1a0ddb | 586 | |
88cb7938 | 587 | // Update event header |
9e1a0ddb | 588 | |
589 | ||
88cb7938 | 590 | if (!TreeK()) { |
9e1a0ddb | 591 | // Fatal("FinishEvent", "No kinematics tree is defined."); |
592 | // Don't panic this is a probably a lego run | |
593 | return; | |
9e1a0ddb | 594 | } |
595 | ||
596 | CleanParents(); | |
88cb7938 | 597 | if(TreeK()->GetEntries() ==0) { |
9e1a0ddb | 598 | // set the fParticleFileMap size for the first time |
599 | fParticleFileMap.Set(fHgwmk+1); | |
600 | } | |
601 | ||
602 | Bool_t allFilled = kFALSE; | |
603 | TObject *part; | |
604 | for(Int_t i=0; i<fHgwmk+1; ++i) | |
605 | if((part=fParticleMap->At(i))) { | |
e2afb3b6 | 606 | fParticleBuffer = dynamic_cast<TParticle*>(part); |
88cb7938 | 607 | fParticleFileMap[i]= static_cast<Int_t>(TreeK()->GetEntries()); |
608 | TreeK()->Fill(); | |
da2af24c | 609 | //PH (*fParticleMap)[i]=fParticleBuffer=0; |
610 | fParticleBuffer=0; | |
611 | fParticleMap->AddAt(0,i); | |
9e1a0ddb | 612 | |
613 | // When all primaries were filled no particle!=0 | |
614 | // should be left => to be removed later. | |
21bf7095 | 615 | if (allFilled) AliWarning(Form("Why != 0 part # %d?\n",i)); |
9e1a0ddb | 616 | } |
88cb7938 | 617 | else |
618 | { | |
9e1a0ddb | 619 | // // printf("Why = 0 part # %d?\n",i); => We know. |
620 | // break; | |
88cb7938 | 621 | // we don't break now in order to be sure there is no |
622 | // particle !=0 left. | |
623 | // To be removed later and replaced with break. | |
624 | if(!allFilled) allFilled = kTRUE; | |
625 | } | |
9e1a0ddb | 626 | } |
9e1a0ddb | 627 | //_____________________________________________________________________________ |
88cb7938 | 628 | |
9e1a0ddb | 629 | void AliStack::FlagTrack(Int_t track) |
630 | { | |
631 | // | |
632 | // Flags a track and all its family tree to be kept | |
633 | // | |
634 | ||
635 | TParticle *particle; | |
636 | ||
637 | Int_t curr=track; | |
638 | while(1) { | |
e2afb3b6 | 639 | particle=dynamic_cast<TParticle*>(fParticleMap->At(curr)); |
9e1a0ddb | 640 | |
641 | // If the particle is flagged the three from here upward is saved already | |
642 | if(particle->TestBit(kKeepBit)) return; | |
643 | ||
644 | // Save this particle | |
645 | particle->SetBit(kKeepBit); | |
646 | ||
647 | // Move to father if any | |
648 | if((curr=particle->GetFirstMother())==-1) return; | |
649 | } | |
650 | } | |
651 | ||
652 | //_____________________________________________________________________________ | |
ed54bf31 | 653 | void AliStack::KeepTrack(Int_t track) |
9e1a0ddb | 654 | { |
655 | // | |
656 | // Flags a track to be kept | |
657 | // | |
658 | ||
659 | fParticleMap->At(track)->SetBit(kKeepBit); | |
660 | } | |
661 | ||
662 | //_____________________________________________________________________________ | |
663 | void AliStack::Reset(Int_t size) | |
664 | { | |
665 | // | |
666 | // Resets stack | |
667 | // | |
88cb7938 | 668 | |
9e1a0ddb | 669 | fNtrack=0; |
670 | fNprimary=0; | |
671 | fHgwmk=0; | |
672 | fLoadPoint=0; | |
673 | fCurrent = -1; | |
88cb7938 | 674 | fTreeK = 0x0; |
9e1a0ddb | 675 | ResetArrays(size); |
676 | } | |
677 | ||
678 | //_____________________________________________________________________________ | |
679 | void AliStack::ResetArrays(Int_t size) | |
680 | { | |
681 | // | |
682 | // Resets stack arrays | |
683 | // | |
684 | ||
be3380a3 | 685 | if (fParticles) |
686 | fParticles->Clear(); | |
687 | else | |
688 | fParticles = new TClonesArray("TParticle",1000); | |
689 | if (fParticleMap) { | |
690 | fParticleMap->Clear(); | |
691 | if (size>0) fParticleMap->Expand(size);} | |
692 | else | |
693 | fParticleMap = new TObjArray(size); | |
9e1a0ddb | 694 | } |
695 | ||
696 | //_____________________________________________________________________________ | |
e2afb3b6 | 697 | void AliStack::SetHighWaterMark(Int_t) |
9e1a0ddb | 698 | { |
699 | // | |
700 | // Set high water mark for last track in event | |
701 | // | |
6308b375 | 702 | |
703 | ||
9e1a0ddb | 704 | fHgwmk = fNtrack-1; |
705 | fCurrentPrimary=fHgwmk; | |
9e1a0ddb | 706 | // Set also number of primary tracks |
707 | fNprimary = fHgwmk+1; | |
708 | fNtrack = fHgwmk+1; | |
709 | } | |
710 | ||
711 | //_____________________________________________________________________________ | |
712 | TParticle* AliStack::Particle(Int_t i) | |
713 | { | |
714 | // | |
715 | // Return particle with specified ID | |
716 | ||
da2af24c | 717 | //PH if(!(*fParticleMap)[i]) { |
718 | if(!fParticleMap->At(i)) { | |
911a3148 | 719 | Int_t nentries = fParticles->GetEntriesFast(); |
9e1a0ddb | 720 | // algorithmic way of getting entry index |
721 | // (primary particles are filled after secondaries) | |
e94530da | 722 | Int_t entry = TreeKEntry(i); |
9e1a0ddb | 723 | // check whether algorithmic way and |
724 | // and the fParticleFileMap[i] give the same; | |
725 | // give the fatal error if not | |
726 | if (entry != fParticleFileMap[i]) { | |
21bf7095 | 727 | AliFatal(Form( |
9e1a0ddb | 728 | "!! The algorithmic way and map are different: !!\n entry: %d map: %d", |
21bf7095 | 729 | entry, fParticleFileMap[i])); |
9e1a0ddb | 730 | } |
731 | ||
88cb7938 | 732 | TreeK()->GetEntry(entry); |
9e1a0ddb | 733 | new ((*fParticles)[nentries]) TParticle(*fParticleBuffer); |
734 | fParticleMap->AddAt((*fParticles)[nentries],i); | |
735 | } | |
e2afb3b6 | 736 | //PH return dynamic_cast<TParticle *>((*fParticleMap)[i]); |
737 | return dynamic_cast<TParticle*>(fParticleMap->At(i)); | |
9e1a0ddb | 738 | } |
739 | ||
e94530da | 740 | //_____________________________________________________________________________ |
741 | TParticle* AliStack::ParticleFromTreeK(Int_t id) const | |
742 | { | |
743 | // | |
744 | // return pointer to TParticle with label id | |
745 | // | |
746 | Int_t entry; | |
747 | if ((entry = TreeKEntry(id)) < 0) return 0; | |
748 | if (fTreeK->GetEntry(entry)<=0) return 0; | |
749 | return fParticleBuffer; | |
750 | } | |
751 | ||
752 | //_____________________________________________________________________________ | |
753 | Int_t AliStack::TreeKEntry(Int_t id) const | |
754 | { | |
755 | // | |
756 | // return entry number in the TreeK for particle with label id | |
757 | // return negative number if label>fNtrack | |
758 | // | |
759 | Int_t entry; | |
760 | if (id<fNprimary) | |
761 | entry = id+fNtrack-fNprimary; | |
762 | else | |
763 | entry = id-fNprimary; | |
764 | return entry; | |
765 | } | |
766 | ||
5d8718b8 | 767 | //_____________________________________________________________________________ |
642f15cf | 768 | Int_t AliStack::GetCurrentParentTrackNumber() const |
5d8718b8 | 769 | { |
770 | // | |
771 | // Return number of the parent of the current track | |
772 | // | |
773 | ||
774 | TParticle* current = (TParticle*)fParticleMap->At(fCurrent); | |
775 | ||
776 | if (current) | |
777 | return current->GetFirstMother(); | |
778 | else { | |
21bf7095 | 779 | AliWarning("Current track not found in the stack"); |
5d8718b8 | 780 | return -1; |
781 | } | |
782 | } | |
783 | ||
9e1a0ddb | 784 | //_____________________________________________________________________________ |
f5f55563 | 785 | Int_t AliStack::GetPrimary(Int_t id) |
9e1a0ddb | 786 | { |
787 | // | |
788 | // Return number of primary that has generated track | |
789 | // | |
790 | ||
791 | int current, parent; | |
9e1a0ddb | 792 | // |
793 | parent=id; | |
794 | while (1) { | |
795 | current=parent; | |
f5f55563 | 796 | parent=Particle(current)->GetFirstMother(); |
9e1a0ddb | 797 | if(parent<0) return current; |
798 | } | |
799 | } | |
800 | ||
801 | //_____________________________________________________________________________ | |
802 | void AliStack::DumpPart (Int_t i) const | |
803 | { | |
804 | // | |
805 | // Dumps particle i in the stack | |
806 | // | |
807 | ||
e2afb3b6 | 808 | //PH dynamic_cast<TParticle*>((*fParticleMap)[i])->Print(); |
809 | dynamic_cast<TParticle*>(fParticleMap->At(i))->Print(); | |
9e1a0ddb | 810 | } |
811 | ||
812 | //_____________________________________________________________________________ | |
813 | void AliStack::DumpPStack () | |
814 | { | |
815 | // | |
816 | // Dumps the particle stack | |
817 | // | |
818 | ||
3ab6f951 | 819 | Int_t i; |
820 | ||
88cb7938 | 821 | printf("\n\n=======================================================================\n"); |
3ab6f951 | 822 | for (i=0;i<fNtrack;i++) |
9e1a0ddb | 823 | { |
824 | TParticle* particle = Particle(i); | |
825 | if (particle) { | |
826 | printf("-> %d ",i); particle->Print(); | |
827 | printf("--------------------------------------------------------------\n"); | |
828 | } | |
829 | else | |
830 | Warning("DumpPStack", "No particle with id %d.", i); | |
831 | } | |
832 | ||
88cb7938 | 833 | printf("\n=======================================================================\n\n"); |
9e1a0ddb | 834 | |
835 | // print particle file map | |
836 | printf("\nParticle file map: \n"); | |
3ab6f951 | 837 | for (i=0; i<fNtrack; i++) |
9e1a0ddb | 838 | printf(" %d th entry: %d \n",i,fParticleFileMap[i]); |
839 | } | |
840 | ||
841 | ||
842 | //_____________________________________________________________________________ | |
843 | void AliStack::DumpLoadedStack() const | |
844 | { | |
845 | // | |
846 | // Dumps the particle in the stack | |
847 | // that are loaded in memory. | |
848 | // | |
849 | ||
850 | TObjArray &particles = *fParticleMap; | |
851 | printf( | |
852 | "\n\n=======================================================================\n"); | |
853 | for (Int_t i=0;i<fNtrack;i++) | |
854 | { | |
e2afb3b6 | 855 | TParticle* particle = dynamic_cast<TParticle*>(particles[i]); |
9e1a0ddb | 856 | if (particle) { |
857 | printf("-> %d ",i); particle->Print(); | |
858 | printf("--------------------------------------------------------------\n"); | |
859 | } | |
860 | else { | |
861 | printf("-> %d Particle not loaded.\n",i); | |
862 | printf("--------------------------------------------------------------\n"); | |
863 | } | |
864 | } | |
865 | printf( | |
866 | "\n=======================================================================\n\n"); | |
867 | } | |
868 | ||
869 | // | |
870 | // protected methods | |
871 | // | |
872 | ||
873 | //_____________________________________________________________________________ | |
874 | void AliStack::CleanParents() | |
875 | { | |
876 | // | |
877 | // Clean particles stack | |
878 | // Set parent/daughter relations | |
879 | // | |
880 | ||
881 | TObjArray &particles = *fParticleMap; | |
882 | TParticle *part; | |
883 | int i; | |
884 | for(i=0; i<fHgwmk+1; i++) { | |
e2afb3b6 | 885 | part = dynamic_cast<TParticle*>(particles.At(i)); |
9e1a0ddb | 886 | if(part) if(!part->TestBit(kDaughtersBit)) { |
887 | part->SetFirstDaughter(-1); | |
888 | part->SetLastDaughter(-1); | |
889 | } | |
890 | } | |
891 | } | |
892 | ||
893 | //_____________________________________________________________________________ | |
894 | TParticle* AliStack::GetNextParticle() | |
895 | { | |
896 | // | |
897 | // Return next particle from stack of particles | |
898 | // | |
899 | ||
900 | TParticle* particle = 0; | |
901 | ||
902 | // search secondaries | |
903 | //for(Int_t i=fNtrack-1; i>=0; i--) { | |
904 | for(Int_t i=fNtrack-1; i>fHgwmk; i--) { | |
e2afb3b6 | 905 | particle = dynamic_cast<TParticle*>(fParticleMap->At(i)); |
9e1a0ddb | 906 | if ((particle) && (!particle->TestBit(kDoneBit))) { |
907 | fCurrent=i; | |
9e1a0ddb | 908 | return particle; |
909 | } | |
910 | } | |
911 | ||
912 | // take next primary if all secondaries were done | |
913 | while (fCurrentPrimary>=0) { | |
914 | fCurrent = fCurrentPrimary; | |
e2afb3b6 | 915 | particle = dynamic_cast<TParticle*>(fParticleMap->At(fCurrentPrimary--)); |
9e1a0ddb | 916 | if ((particle) && (!particle->TestBit(kDoneBit))) { |
9e1a0ddb | 917 | return particle; |
918 | } | |
919 | } | |
920 | ||
921 | // nothing to be tracked | |
922 | fCurrent = -1; | |
6308b375 | 923 | |
924 | ||
9e1a0ddb | 925 | return particle; |
926 | } | |
88cb7938 | 927 | //__________________________________________________________________________________________ |
9e1a0ddb | 928 | |
88cb7938 | 929 | TTree* AliStack::TreeK() |
930 | { | |
931 | //returns TreeK | |
932 | if (fTreeK) | |
933 | { | |
934 | return fTreeK; | |
935 | } | |
936 | else | |
937 | { | |
938 | AliRunLoader *rl = AliRunLoader::GetRunLoader(fEventFolderName); | |
939 | if (rl == 0x0) | |
940 | { | |
21bf7095 | 941 | AliFatal(Form("Can not get RunLoader from event folder named %s",fEventFolderName.Data())); |
88cb7938 | 942 | return 0x0;//pro forma |
943 | } | |
944 | fTreeK = rl->TreeK(); | |
504b172d | 945 | if ( fTreeK ) |
88cb7938 | 946 | { |
504b172d | 947 | ConnectTree(); |
88cb7938 | 948 | } |
949 | else | |
950 | { | |
504b172d | 951 | //don't panic - could be Lego |
21bf7095 | 952 | AliWarning(Form("Can not get TreeK from RL. Ev. Folder is %s",fEventFolderName.Data())); |
88cb7938 | 953 | } |
954 | } | |
955 | return fTreeK;//never reached | |
956 | } | |
9e1a0ddb | 957 | //__________________________________________________________________________________________ |
88cb7938 | 958 | |
959 | void AliStack::ConnectTree() | |
9e1a0ddb | 960 | { |
961 | // | |
88cb7938 | 962 | // Creates branch for writing particles |
963 | // | |
21bf7095 | 964 | AliDebug(1, "Connecting TreeK"); |
88cb7938 | 965 | if (fTreeK == 0x0) |
966 | { | |
967 | if (TreeK() == 0x0) | |
968 | { | |
21bf7095 | 969 | AliFatal("Parameter is NULL");//we don't like such a jokes |
88cb7938 | 970 | return; |
971 | } | |
972 | return;//in this case TreeK() calls back this method (ConnectTree) | |
973 | //tree after setting fTreeK, the rest was already executed | |
974 | //it is safe to return now | |
975 | } | |
976 | ||
977 | // Create a branch for particles | |
978 | ||
21bf7095 | 979 | AliDebug(2, Form("Tree name is %s",fTreeK->GetName())); |
88cb7938 | 980 | |
981 | if (fTreeK->GetDirectory()) | |
982 | { | |
21bf7095 | 983 | AliDebug(2, Form("and dir is %s",fTreeK->GetDirectory()->GetName())); |
88cb7938 | 984 | } |
985 | else | |
21bf7095 | 986 | AliWarning("DIR IS NOT SET !!!"); |
88cb7938 | 987 | |
024a7e64 | 988 | TBranch *branch=fTreeK->GetBranch(AliRunLoader::GetKineBranchName()); |
88cb7938 | 989 | if(branch == 0x0) |
990 | { | |
024a7e64 | 991 | branch = fTreeK->Branch(AliRunLoader::GetKineBranchName(), "TParticle", &fParticleBuffer, 4000); |
21bf7095 | 992 | AliDebug(2, "Creating Branch in Tree"); |
88cb7938 | 993 | } |
994 | else | |
995 | { | |
21bf7095 | 996 | AliDebug(2, "Branch Found in Tree"); |
88cb7938 | 997 | branch->SetAddress(&fParticleBuffer); |
998 | } | |
999 | if (branch->GetDirectory()) | |
1000 | { | |
21bf7095 | 1001 | AliDebug(1, Form("Branch Dir Name is %s",branch->GetDirectory()->GetName())); |
88cb7938 | 1002 | } |
1003 | else | |
21bf7095 | 1004 | AliWarning("Branch Dir is NOT SET"); |
9e1a0ddb | 1005 | } |
88cb7938 | 1006 | //__________________________________________________________________________________________ |
9e1a0ddb | 1007 | |
88cb7938 | 1008 | |
1009 | void AliStack::BeginEvent() | |
9e1a0ddb | 1010 | { |
1011 | // start a new event | |
88cb7938 | 1012 | Reset(); |
9e1a0ddb | 1013 | } |
1014 | ||
81694e6a | 1015 | //_____________________________________________________________________________ |
9e1a0ddb | 1016 | void AliStack::FinishRun() |
1017 | { | |
1018 | // Clean TreeK information | |
9e1a0ddb | 1019 | } |
5d8718b8 | 1020 | //_____________________________________________________________________________ |
88cb7938 | 1021 | |
1022 | Bool_t AliStack::GetEvent() | |
9e1a0ddb | 1023 | { |
1024 | // | |
1025 | // Get new event from TreeK | |
ccf7a81f | 1026 | |
9e1a0ddb | 1027 | // Reset/Create the particle stack |
88cb7938 | 1028 | fTreeK = 0x0; |
9e1a0ddb | 1029 | |
88cb7938 | 1030 | if (TreeK() == 0x0) //forces connecting |
1031 | { | |
21bf7095 | 1032 | AliError("cannot find Kine Tree for current event"); |
ccf7a81f | 1033 | return kFALSE; |
88cb7938 | 1034 | } |
ccf7a81f | 1035 | |
88cb7938 | 1036 | Int_t size = (Int_t)TreeK()->GetEntries(); |
9e1a0ddb | 1037 | ResetArrays(size); |
ccf7a81f | 1038 | return kTRUE; |
9e1a0ddb | 1039 | } |
88cb7938 | 1040 | //_____________________________________________________________________________ |
1041 | ||
1042 | void AliStack::SetEventFolderName(const char* foldname) | |
1043 | { | |
1044 | //Sets event folder name | |
1045 | fEventFolderName = foldname; | |
1046 | } | |
1fed0e8b | 1047 | |
1048 | Bool_t AliStack::IsStable(Int_t pdg) const | |
1049 | { | |
1050 | // | |
1051 | // Decide whether particle (pdg) is stable | |
1052 | // | |
1053 | ||
1054 | const Int_t kNstable = 14; | |
1055 | Int_t i; | |
1056 | ||
1057 | Int_t pdgStable[kNstable] = { | |
1058 | kGamma, // Photon | |
1059 | kElectron, // Electron | |
1060 | kMuonPlus, // Muon | |
1061 | kPiPlus, // Pion | |
1062 | kKPlus, // Kaon | |
1063 | kProton, // Proton | |
1064 | kNeutron, // Neutron | |
1065 | kLambda0, // Lambda_0 | |
1066 | kSigmaMinus, // Sigma Minus | |
1067 | kSigma0, // Sigma_0 | |
1068 | kSigmaPlus, // Sigma Plus | |
1069 | 3312, // Xsi Minus | |
1070 | 3322, // Xsi | |
1071 | 3334, // Omega | |
1072 | }; | |
1073 | ||
1074 | Bool_t isStable = kFALSE; | |
1075 | for (i = 0; i < kNstable; i++) { | |
1076 | if (pdg == TMath::Abs(pdgStable[i])) { | |
1077 | isStable = kTRUE; | |
1078 | break; | |
1079 | } | |
1080 | } | |
1081 | ||
1082 | return isStable; | |
1083 | } | |
1084 | ||
1085 | Bool_t AliStack::IsPhysicalPrimary(Int_t index) | |
1086 | { | |
1087 | // | |
1088 | // Test if a particle is a physical primary according to the following definition: | |
1089 | // Particles produced in the collision including products of strong and | |
1090 | // electromagnetic decay and excluding feed-down from weak decays of strange | |
1091 | // particles. | |
1092 | // | |
1093 | TParticle* p = Particle(index); | |
1094 | Int_t ist = p->GetStatusCode(); | |
1095 | ||
1096 | // | |
1097 | // Initial state particle | |
1098 | if (ist > 20) return kFALSE; | |
1099 | ||
1100 | Int_t pdg = TMath::Abs(p->GetPdgCode()); | |
1101 | ||
1102 | if (!IsStable(pdg)) return kFALSE; | |
1103 | ||
1104 | if (index < GetNprimary()) { | |
1105 | // | |
1106 | // Particle produced by generator | |
1107 | return kTRUE; | |
1108 | } else { | |
1109 | // | |
1110 | // Particle produced during transport | |
1111 | // | |
1112 | // Check if this is a heavy flavor decay product | |
1113 | Int_t imo = p->GetFirstMother(); | |
1114 | TParticle* pm = Particle(imo); | |
1115 | Int_t mpdg = TMath::Abs(pm->GetPdgCode()); | |
1116 | Int_t mfl = Int_t (mpdg / TMath::Power(10, Int_t(TMath::Log10(mpdg)))); | |
1117 | // | |
1118 | // Light hadron | |
1119 | if (mfl < 4) return kFALSE; | |
1120 | ||
1121 | // | |
1122 | // Heavy flavor hadron produced by generator | |
1123 | if (imo < GetNprimary()) { | |
1124 | return kTRUE; | |
1125 | } | |
1126 | ||
1127 | // To be sure that heavy flavor has not been produced in a secondary interaction | |
1128 | // Loop back to the generated mother | |
1129 | while (imo >= GetNprimary()) { | |
1130 | imo = p->GetFirstMother(); | |
1131 | pm = Particle(imo); | |
1132 | } | |
1133 | mpdg = TMath::Abs(pm->GetPdgCode()); | |
1134 | mfl = Int_t (mpdg / TMath::Power(10, Int_t(TMath::Log10(mpdg)))); | |
1135 | ||
1136 | if (mfl < 4) { | |
1137 | return kFALSE; | |
1138 | } else { | |
1139 | return kTRUE; | |
1140 | } | |
1141 | } // produced by generator ? | |
1142 | } | |
1143 |