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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 | ||
16 | /* | |
17 | $Log$ | |
d1750cff | 18 | Revision 1.6 2001/05/31 06:59:06 fca |
19 | Clean setting and deleting of fParticleBuffer | |
20 | ||
17f4a3d9 | 21 | Revision 1.5 2001/05/30 12:18:46 hristov |
22 | Loop variables declared once | |
23 | ||
3ab6f951 | 24 | Revision 1.4 2001/05/25 07:25:20 hristov |
25 | AliStack destructor corrected (I.Hrivnacova) | |
26 | ||
81694e6a | 27 | Revision 1.3 2001/05/22 14:33:16 hristov |
28 | Minor changes | |
29 | ||
ed54bf31 | 30 | Revision 1.2 2001/05/17 05:49:39 fca |
31 | Reset pointers to daughters | |
32 | ||
76969085 | 33 | Revision 1.1 2001/05/16 14:57:22 alibrary |
34 | New files for folders and Stack | |
35 | ||
9e1a0ddb | 36 | */ |
37 | ||
38 | /////////////////////////////////////////////////////////////////////////////// | |
39 | // // | |
40 | // Particles stack class | |
41 | // // | |
42 | /////////////////////////////////////////////////////////////////////////////// | |
43 | ||
44 | #include <iostream.h> | |
45 | ||
46 | #include <TObjArray.h> | |
47 | #include <TParticle.h> | |
48 | #include <TTree.h> | |
49 | #include <TFile.h> | |
50 | #include <TFolder.h> | |
51 | #include <TROOT.h> | |
52 | ||
53 | #include "AliStack.h" | |
54 | #include "AliRun.h" | |
55 | #include "AliModule.h" | |
56 | #include "AliHit.h" | |
57 | //#include "ETrackBits.h" | |
58 | ||
59 | ClassImp(AliStack) | |
60 | ||
61 | //_____________________________________________________________________________ | |
62 | AliStack::AliStack(Int_t size) | |
63 | { | |
64 | // | |
65 | // Constructor | |
66 | // | |
67 | ||
68 | // Create the particles arrays | |
69 | fParticles = new TClonesArray("TParticle",1000); | |
70 | fParticleMap = new TObjArray(size); | |
17f4a3d9 | 71 | fParticleBuffer = 0; |
9e1a0ddb | 72 | fNtrack = 0; |
73 | fNprimary = 0; | |
74 | fCurrent = -1; | |
75 | fCurrentPrimary = -1; | |
76 | fTreeK = 0; | |
77 | } | |
78 | ||
79 | ||
80 | //_____________________________________________________________________________ | |
81 | AliStack::AliStack() | |
82 | { | |
83 | // | |
84 | // Default constructor | |
85 | // | |
86 | ||
87 | // Create the particles arrays | |
88 | fParticles = new TClonesArray("TParticle",1000); | |
89 | fParticleMap = new TObjArray(10000); | |
17f4a3d9 | 90 | fParticleBuffer = 0; |
9e1a0ddb | 91 | fNtrack = 0; |
92 | fCurrent = -1; | |
93 | fNprimary = 0; | |
94 | fCurrentPrimary = -1; | |
95 | fTreeK = 0; | |
96 | } | |
97 | ||
98 | ||
99 | //_____________________________________________________________________________ | |
100 | AliStack::~AliStack() | |
101 | { | |
102 | // | |
103 | // Destructor | |
104 | // | |
105 | ||
81694e6a | 106 | delete fParticleBuffer; |
9e1a0ddb | 107 | if (fParticles) { |
108 | fParticles->Delete(); | |
109 | delete fParticles; | |
110 | } | |
111 | delete fParticleMap; | |
9e1a0ddb | 112 | delete fTreeK; |
113 | } | |
114 | ||
115 | // | |
116 | // public methods | |
117 | // | |
118 | ||
119 | //_____________________________________________________________________________ | |
120 | void AliStack::SetTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
121 | Float_t *vpos, Float_t *polar, Float_t tof, | |
122 | AliMCProcess mech, Int_t &ntr, Float_t weight) | |
123 | { | |
124 | // | |
125 | // Load a track on the stack | |
126 | // | |
127 | // done 0 if the track has to be transported | |
128 | // 1 if not | |
129 | // parent identifier of the parent track. -1 for a primary | |
130 | // pdg particle code | |
131 | // pmom momentum GeV/c | |
132 | // vpos position | |
133 | // polar polarisation | |
134 | // tof time of flight in seconds | |
135 | // mecha production mechanism | |
136 | // ntr on output the number of the track stored | |
137 | // | |
138 | ||
139 | Float_t mass; | |
140 | const Int_t kfirstdaughter=-1; | |
141 | const Int_t klastdaughter=-1; | |
142 | const Int_t kS=0; | |
143 | // const Float_t tlife=0; | |
144 | ||
145 | // | |
146 | // Here we get the static mass | |
147 | // For MC is ok, but a more sophisticated method could be necessary | |
148 | // if the calculated mass is required | |
149 | // also, this method is potentially dangerous if the mass | |
150 | // used in the MC is not the same of the PDG database | |
151 | // | |
152 | mass = TDatabasePDG::Instance()->GetParticle(pdg)->Mass(); | |
153 | Float_t e=TMath::Sqrt(mass*mass+pmom[0]*pmom[0]+ | |
154 | pmom[1]*pmom[1]+pmom[2]*pmom[2]); | |
155 | ||
156 | // 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", | |
157 | // mass,e,fNtrack,pdg,parent,done,vpos[0],vpos[1],vpos[2],pmom[0],pmom[1],pmom[2],kS); | |
158 | ||
159 | TClonesArray &particles = *fParticles; | |
160 | TParticle* particle | |
161 | = new(particles[fLoadPoint++]) | |
162 | TParticle(pdg, kS, parent, -1, kfirstdaughter, klastdaughter, | |
163 | pmom[0], pmom[1], pmom[2], e, vpos[0], vpos[1], vpos[2], tof); | |
164 | particle->SetPolarisation(TVector3(polar[0],polar[1],polar[2])); | |
165 | particle->SetWeight(weight); | |
166 | particle->SetUniqueID(mech); | |
167 | if(!done) particle->SetBit(kDoneBit); | |
168 | ||
169 | ||
170 | // Declare that the daughter information is valid | |
171 | particle->SetBit(kDaughtersBit); | |
172 | // Add the particle to the stack | |
173 | fParticleMap->AddAtAndExpand(particle, fNtrack); | |
174 | ||
175 | if(parent>=0) { | |
176 | particle = (TParticle*) fParticleMap->At(parent); | |
177 | particle->SetLastDaughter(fNtrack); | |
178 | if(particle->GetFirstDaughter()<0) particle->SetFirstDaughter(fNtrack); | |
179 | } | |
180 | else { | |
181 | // | |
182 | // This is a primary track. Set high water mark for this event | |
183 | fHgwmk = fNtrack; | |
184 | // | |
185 | // Set also number if primary tracks | |
186 | fNprimary = fHgwmk+1; | |
187 | fCurrentPrimary++; | |
188 | } | |
189 | ntr = fNtrack++; | |
190 | } | |
191 | ||
192 | //_____________________________________________________________________________ | |
193 | void AliStack::SetTrack(Int_t done, Int_t parent, Int_t pdg, | |
194 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
195 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
196 | Double_t polx, Double_t poly, Double_t polz, | |
197 | AliMCProcess mech, Int_t &ntr, Float_t weight) | |
198 | { | |
199 | // | |
200 | // Load a track on the stack | |
201 | // | |
202 | // done 0 if the track has to be transported | |
203 | // 1 if not | |
204 | // parent identifier of the parent track. -1 for a primary | |
205 | // pdg particle code | |
206 | // kS generation status code | |
207 | // px, py, pz momentum GeV/c | |
208 | // vx, vy, vz position | |
209 | // polar polarisation | |
210 | // tof time of flight in seconds | |
211 | // mech production mechanism | |
212 | // ntr on output the number of the track stored | |
213 | // | |
214 | // New method interface: | |
215 | // arguments were changed to be in correspondence with TParticle | |
216 | // constructor. | |
217 | // Note: the energy is not calculated from the static mass but | |
218 | // it is passed by argument e. | |
219 | ||
220 | ||
221 | const Int_t kS=0; | |
222 | const Int_t kFirstDaughter=-1; | |
223 | const Int_t kLastDaughter=-1; | |
224 | ||
225 | TClonesArray &particles = *fParticles; | |
226 | TParticle* particle | |
227 | = new(particles[fLoadPoint++]) | |
228 | TParticle(pdg, kS, parent, -1, kFirstDaughter, kLastDaughter, | |
229 | px, py, pz, e, vx, vy, vz, tof); | |
230 | ||
231 | particle->SetPolarisation(polx, poly, polz); | |
232 | particle->SetWeight(weight); | |
233 | particle->SetUniqueID(mech); | |
234 | ||
235 | if(!done) particle->SetBit(kDoneBit); | |
236 | ||
237 | // Declare that the daughter information is valid | |
238 | particle->SetBit(kDaughtersBit); | |
239 | // Add the particle to the stack | |
240 | fParticleMap->AddAtAndExpand(particle, fNtrack);//CHECK!! | |
241 | ||
242 | if(parent>=0) { | |
243 | particle = (TParticle*) fParticleMap->At(parent); | |
244 | particle->SetLastDaughter(fNtrack); | |
245 | if(particle->GetFirstDaughter()<0) particle->SetFirstDaughter(fNtrack); | |
246 | } | |
247 | else { | |
248 | // | |
249 | // This is a primary track. Set high water mark for this event | |
250 | fHgwmk = fNtrack; | |
251 | // | |
252 | // Set also number if primary tracks | |
253 | fNprimary = fHgwmk+1; | |
254 | fCurrentPrimary++; | |
255 | } | |
256 | ntr = fNtrack++; | |
257 | } | |
258 | ||
259 | //_____________________________________________________________________________ | |
260 | void AliStack::GetNextTrack(Int_t &mtrack, Int_t &ipart, Float_t *pmom, | |
261 | Float_t &e, Float_t *vpos, Float_t *polar, | |
262 | Float_t &tof) | |
263 | { | |
264 | // | |
265 | // Return next track from stack of particles | |
266 | // | |
267 | ||
268 | ||
269 | TParticle* track = GetNextParticle(); | |
270 | // cout << "GetNextTrack():" << fCurrent << fNprimary << endl; | |
271 | ||
272 | if(track) { | |
273 | mtrack=fCurrent; | |
274 | ipart=track->GetPdgCode(); | |
275 | pmom[0]=track->Px(); | |
276 | pmom[1]=track->Py(); | |
277 | pmom[2]=track->Pz(); | |
278 | e =track->Energy(); | |
279 | vpos[0]=track->Vx(); | |
280 | vpos[1]=track->Vy(); | |
281 | vpos[2]=track->Vz(); | |
282 | TVector3 pol; | |
283 | track->GetPolarisation(pol); | |
284 | polar[0]=pol.X(); | |
285 | polar[1]=pol.Y(); | |
286 | polar[2]=pol.Z(); | |
287 | tof=track->T(); | |
288 | track->SetBit(kDoneBit); | |
289 | //cout << "Filled params" << endl; | |
290 | } | |
291 | else | |
292 | mtrack=-1; | |
293 | ||
294 | // | |
295 | // stop and start timer when we start a primary track | |
296 | Int_t nprimaries = fNprimary; | |
297 | if (fCurrent >= nprimaries) return; | |
298 | if (fCurrent < nprimaries-1) { | |
299 | fTimer.Stop(); | |
300 | track=(TParticle*) fParticleMap->At(fCurrent+1); | |
301 | // track->SetProcessTime(fTimer.CpuTime()); | |
302 | } | |
303 | fTimer.Start(); | |
304 | } | |
305 | ||
306 | ||
307 | //_____________________________________________________________________________ | |
308 | void AliStack::PurifyKine() | |
309 | { | |
310 | // | |
311 | // Compress kinematic tree keeping only flagged particles | |
312 | // and renaming the particle id's in all the hits | |
313 | // | |
314 | ||
315 | TObjArray &particles = *fParticleMap; | |
316 | int nkeep=fHgwmk+1, parent, i; | |
317 | TParticle *part, *father; | |
318 | TArrayI map(particles.GetLast()+1); | |
319 | ||
320 | // Save in Header total number of tracks before compression | |
321 | ||
322 | // If no tracks generated return now | |
323 | if(fHgwmk+1 == fNtrack) return; | |
324 | ||
9e1a0ddb | 325 | // First pass, invalid Daughter information |
326 | for(i=0; i<fNtrack; i++) { | |
327 | // Preset map, to be removed later | |
328 | if(i<=fHgwmk) map[i]=i ; | |
329 | else { | |
330 | map[i] = -99; | |
76969085 | 331 | if((part=(TParticle*) particles.At(i))) { |
332 | part->ResetBit(kDaughtersBit); | |
333 | part->SetFirstDaughter(-1); | |
334 | part->SetLastDaughter(-1); | |
335 | } | |
9e1a0ddb | 336 | } |
337 | } | |
338 | // Invalid daughter information for the parent of the first particle | |
339 | // generated. This may or may not be the current primary according to | |
340 | // whether decays have been recorded among the primaries | |
341 | part = (TParticle *)particles.At(fHgwmk+1); | |
342 | particles.At(part->GetFirstMother())->ResetBit(kDaughtersBit); | |
343 | // Second pass, build map between old and new numbering | |
344 | for(i=fHgwmk+1; i<fNtrack; i++) { | |
345 | if(particles.At(i)->TestBit(kKeepBit)) { | |
346 | ||
347 | // This particle has to be kept | |
348 | map[i]=nkeep; | |
349 | // If old and new are different, have to move the pointer | |
350 | if(i!=nkeep) particles[nkeep]=particles.At(i); | |
351 | part = (TParticle*) particles.At(nkeep); | |
352 | ||
353 | // as the parent is always *before*, it must be already | |
354 | // in place. This is what we are checking anyway! | |
355 | if((parent=part->GetFirstMother())>fHgwmk) | |
356 | if(map[parent]==-99) Fatal("PurifyKine","map[%d] = -99!\n",parent); | |
357 | else part->SetFirstMother(map[parent]); | |
358 | ||
359 | nkeep++; | |
360 | } | |
361 | } | |
362 | ||
363 | // Fix daughters information | |
364 | for (i=fHgwmk+1; i<nkeep; i++) { | |
365 | part = (TParticle *)particles.At(i); | |
366 | parent = part->GetFirstMother(); | |
367 | if(parent>=0) { | |
368 | father = (TParticle *)particles.At(parent); | |
369 | if(father->TestBit(kDaughtersBit)) { | |
370 | ||
371 | if(i<father->GetFirstDaughter()) father->SetFirstDaughter(i); | |
372 | if(i>father->GetLastDaughter()) father->SetLastDaughter(i); | |
373 | } else { | |
374 | // Initialise daughters info for first pass | |
375 | father->SetFirstDaughter(i); | |
376 | father->SetLastDaughter(i); | |
377 | father->SetBit(kDaughtersBit); | |
378 | } | |
379 | } | |
380 | } | |
381 | ||
382 | // Now loop on all registered hit lists | |
383 | TList* hitLists = gAlice->GetHitLists(); | |
384 | TIter next(hitLists); | |
385 | TCollection *hitList; | |
386 | while((hitList = (TCollection*)next())) { | |
387 | TIter nexthit(hitList); | |
388 | AliHit *hit; | |
389 | while((hit = (AliHit*)nexthit())) { | |
390 | hit->SetTrack(map[hit->GetTrack()]); | |
391 | } | |
392 | } | |
393 | ||
394 | // | |
395 | // This for detectors which have a special mapping mechanism | |
396 | // for hits, such as TPC and TRD | |
397 | // | |
398 | ||
399 | TObjArray* modules = gAlice->Modules(); | |
400 | TIter nextmod(modules); | |
401 | AliModule *detector; | |
402 | while((detector = (AliModule*)nextmod())) { | |
403 | detector->RemapTrackHitIDs(map.GetArray()); | |
404 | } | |
405 | ||
406 | // Now the output bit, from fHgwmk to nkeep we write everything and we erase | |
407 | if(nkeep>fParticleFileMap.GetSize()) fParticleFileMap.Set(Int_t (nkeep*1.5)); | |
408 | ||
409 | for (i=fHgwmk+1; i<nkeep; ++i) { | |
410 | fParticleBuffer = (TParticle*) particles.At(i); | |
411 | fParticleFileMap[i]=(Int_t) fTreeK->GetEntries(); | |
412 | fTreeK->Fill(); | |
17f4a3d9 | 413 | particles[i]=fParticleBuffer=0; |
9e1a0ddb | 414 | } |
415 | ||
416 | for (i=nkeep; i<fNtrack; ++i) particles[i]=0; | |
417 | ||
76969085 | 418 | Int_t toshrink = fNtrack-fHgwmk-1; |
9e1a0ddb | 419 | fLoadPoint-=toshrink; |
420 | for(i=fLoadPoint; i<fLoadPoint+toshrink; ++i) fParticles->RemoveAt(i); | |
421 | ||
422 | fNtrack=nkeep; | |
423 | fHgwmk=nkeep-1; | |
424 | // delete [] map; | |
425 | } | |
426 | ||
427 | //_____________________________________________________________________________ | |
428 | void AliStack::FinishEvent() | |
429 | { | |
430 | // | |
431 | // Write out the kinematics that was not yet filled | |
432 | // | |
433 | ||
434 | // Update event header | |
435 | ||
436 | ||
437 | if (!fTreeK) { | |
438 | // Fatal("FinishEvent", "No kinematics tree is defined."); | |
439 | // Don't panic this is a probably a lego run | |
440 | return; | |
441 | ||
442 | } | |
443 | ||
444 | CleanParents(); | |
445 | if(fTreeK->GetEntries() ==0) { | |
446 | // set the fParticleFileMap size for the first time | |
447 | fParticleFileMap.Set(fHgwmk+1); | |
448 | } | |
449 | ||
450 | Bool_t allFilled = kFALSE; | |
451 | TObject *part; | |
452 | for(Int_t i=0; i<fHgwmk+1; ++i) | |
453 | if((part=fParticleMap->At(i))) { | |
454 | fParticleBuffer = (TParticle*) part; | |
455 | fParticleFileMap[i]= (Int_t) fTreeK->GetEntries(); | |
456 | fTreeK->Fill(); | |
17f4a3d9 | 457 | (*fParticleMap)[i]=fParticleBuffer=0; |
9e1a0ddb | 458 | |
459 | // When all primaries were filled no particle!=0 | |
460 | // should be left => to be removed later. | |
461 | if (allFilled) printf("Why != 0 part # %d?\n",i); | |
462 | } | |
463 | else { | |
464 | // // printf("Why = 0 part # %d?\n",i); => We know. | |
465 | // break; | |
466 | // we don't break now in order to be sure there is no | |
467 | // particle !=0 left. | |
468 | // To be removed later and replaced with break. | |
469 | if(!allFilled) allFilled = kTRUE; | |
470 | } | |
471 | //cout << "Nof particles: " << fNtrack << endl; | |
472 | //Reset(); | |
473 | } | |
474 | ||
475 | //_____________________________________________________________________________ | |
476 | void AliStack::FlagTrack(Int_t track) | |
477 | { | |
478 | // | |
479 | // Flags a track and all its family tree to be kept | |
480 | // | |
481 | ||
482 | TParticle *particle; | |
483 | ||
484 | Int_t curr=track; | |
485 | while(1) { | |
486 | particle=(TParticle*)fParticleMap->At(curr); | |
487 | ||
488 | // If the particle is flagged the three from here upward is saved already | |
489 | if(particle->TestBit(kKeepBit)) return; | |
490 | ||
491 | // Save this particle | |
492 | particle->SetBit(kKeepBit); | |
493 | ||
494 | // Move to father if any | |
495 | if((curr=particle->GetFirstMother())==-1) return; | |
496 | } | |
497 | } | |
498 | ||
499 | //_____________________________________________________________________________ | |
ed54bf31 | 500 | void AliStack::KeepTrack(Int_t track) |
9e1a0ddb | 501 | { |
502 | // | |
503 | // Flags a track to be kept | |
504 | // | |
505 | ||
506 | fParticleMap->At(track)->SetBit(kKeepBit); | |
507 | } | |
508 | ||
509 | //_____________________________________________________________________________ | |
510 | void AliStack::Reset(Int_t size) | |
511 | { | |
512 | // | |
513 | // Resets stack | |
514 | // | |
515 | ||
516 | fNtrack=0; | |
517 | fNprimary=0; | |
518 | fHgwmk=0; | |
519 | fLoadPoint=0; | |
520 | fCurrent = -1; | |
521 | ResetArrays(size); | |
522 | } | |
523 | ||
524 | //_____________________________________________________________________________ | |
525 | void AliStack::ResetArrays(Int_t size) | |
526 | { | |
527 | // | |
528 | // Resets stack arrays | |
529 | // | |
530 | ||
531 | fParticles->Clear(); | |
532 | fParticleMap->Clear(); | |
533 | if (size>0) fParticleMap->Expand(size); | |
534 | } | |
535 | ||
536 | //_____________________________________________________________________________ | |
ed54bf31 | 537 | void AliStack::SetHighWaterMark(Int_t nt) |
9e1a0ddb | 538 | { |
539 | // | |
540 | // Set high water mark for last track in event | |
541 | // | |
542 | ||
543 | fHgwmk = fNtrack-1; | |
544 | fCurrentPrimary=fHgwmk; | |
545 | ||
546 | // Set also number of primary tracks | |
547 | fNprimary = fHgwmk+1; | |
548 | fNtrack = fHgwmk+1; | |
549 | } | |
550 | ||
551 | //_____________________________________________________________________________ | |
552 | TParticle* AliStack::Particle(Int_t i) | |
553 | { | |
554 | // | |
555 | // Return particle with specified ID | |
556 | ||
557 | if(!(*fParticleMap)[i]) { | |
d1750cff | 558 | Int_t nentries = fParticles->GetEntriesFast(); |
9e1a0ddb | 559 | // algorithmic way of getting entry index |
560 | // (primary particles are filled after secondaries) | |
561 | Int_t entry; | |
562 | if (i<fNprimary) | |
563 | entry = i+fNtrack-fNprimary; | |
564 | else | |
565 | entry = i-fNprimary; | |
566 | // check whether algorithmic way and | |
567 | // and the fParticleFileMap[i] give the same; | |
568 | // give the fatal error if not | |
569 | if (entry != fParticleFileMap[i]) { | |
570 | Fatal("Particle", | |
571 | "!! The algorithmic way and map are different: !!\n entry: %d map: %d", | |
572 | entry, fParticleFileMap[i]); | |
573 | } | |
574 | ||
575 | fTreeK->GetEntry(entry); | |
576 | new ((*fParticles)[nentries]) TParticle(*fParticleBuffer); | |
577 | fParticleMap->AddAt((*fParticles)[nentries],i); | |
578 | } | |
579 | return (TParticle *) (*fParticleMap)[i]; | |
580 | } | |
581 | ||
582 | //_____________________________________________________________________________ | |
583 | Int_t AliStack::GetPrimary(Int_t id) const | |
584 | { | |
585 | // | |
586 | // Return number of primary that has generated track | |
587 | // | |
588 | ||
589 | int current, parent; | |
590 | TParticle *part; | |
591 | // | |
592 | parent=id; | |
593 | while (1) { | |
594 | current=parent; | |
595 | part = (TParticle *)fParticleMap->At(current); | |
596 | parent=part->GetFirstMother(); | |
597 | if(parent<0) return current; | |
598 | } | |
599 | } | |
600 | ||
601 | //_____________________________________________________________________________ | |
602 | void AliStack::DumpPart (Int_t i) const | |
603 | { | |
604 | // | |
605 | // Dumps particle i in the stack | |
606 | // | |
607 | ||
608 | ((TParticle*) (*fParticleMap)[i])->Print(); | |
609 | } | |
610 | ||
611 | //_____________________________________________________________________________ | |
612 | void AliStack::DumpPStack () | |
613 | { | |
614 | // | |
615 | // Dumps the particle stack | |
616 | // | |
617 | ||
3ab6f951 | 618 | Int_t i; |
619 | ||
9e1a0ddb | 620 | printf( |
621 | "\n\n=======================================================================\n"); | |
3ab6f951 | 622 | for (i=0;i<fNtrack;i++) |
9e1a0ddb | 623 | { |
624 | TParticle* particle = Particle(i); | |
625 | if (particle) { | |
626 | printf("-> %d ",i); particle->Print(); | |
627 | printf("--------------------------------------------------------------\n"); | |
628 | } | |
629 | else | |
630 | Warning("DumpPStack", "No particle with id %d.", i); | |
631 | } | |
632 | ||
633 | printf( | |
634 | "\n=======================================================================\n\n"); | |
635 | ||
636 | // print particle file map | |
637 | printf("\nParticle file map: \n"); | |
3ab6f951 | 638 | for (i=0; i<fNtrack; i++) |
9e1a0ddb | 639 | printf(" %d th entry: %d \n",i,fParticleFileMap[i]); |
640 | } | |
641 | ||
642 | ||
643 | //_____________________________________________________________________________ | |
644 | void AliStack::DumpLoadedStack() const | |
645 | { | |
646 | // | |
647 | // Dumps the particle in the stack | |
648 | // that are loaded in memory. | |
649 | // | |
650 | ||
651 | TObjArray &particles = *fParticleMap; | |
652 | printf( | |
653 | "\n\n=======================================================================\n"); | |
654 | for (Int_t i=0;i<fNtrack;i++) | |
655 | { | |
656 | TParticle* particle = (TParticle*) particles[i]; | |
657 | if (particle) { | |
658 | printf("-> %d ",i); particle->Print(); | |
659 | printf("--------------------------------------------------------------\n"); | |
660 | } | |
661 | else { | |
662 | printf("-> %d Particle not loaded.\n",i); | |
663 | printf("--------------------------------------------------------------\n"); | |
664 | } | |
665 | } | |
666 | printf( | |
667 | "\n=======================================================================\n\n"); | |
668 | } | |
669 | ||
670 | // | |
671 | // protected methods | |
672 | // | |
673 | ||
674 | //_____________________________________________________________________________ | |
675 | void AliStack::CleanParents() | |
676 | { | |
677 | // | |
678 | // Clean particles stack | |
679 | // Set parent/daughter relations | |
680 | // | |
681 | ||
682 | TObjArray &particles = *fParticleMap; | |
683 | TParticle *part; | |
684 | int i; | |
685 | for(i=0; i<fHgwmk+1; i++) { | |
686 | part = (TParticle *)particles.At(i); | |
687 | if(part) if(!part->TestBit(kDaughtersBit)) { | |
688 | part->SetFirstDaughter(-1); | |
689 | part->SetLastDaughter(-1); | |
690 | } | |
691 | } | |
692 | } | |
693 | ||
694 | //_____________________________________________________________________________ | |
695 | TParticle* AliStack::GetNextParticle() | |
696 | { | |
697 | // | |
698 | // Return next particle from stack of particles | |
699 | // | |
700 | ||
701 | TParticle* particle = 0; | |
702 | ||
703 | // search secondaries | |
704 | //for(Int_t i=fNtrack-1; i>=0; i--) { | |
705 | for(Int_t i=fNtrack-1; i>fHgwmk; i--) { | |
706 | particle = (TParticle*) fParticleMap->At(i); | |
707 | if ((particle) && (!particle->TestBit(kDoneBit))) { | |
708 | fCurrent=i; | |
709 | //cout << "GetNextParticle() - secondary " | |
710 | // << fNtrack << " " << fHgwmk << " " << fCurrent << endl; | |
711 | return particle; | |
712 | } | |
713 | } | |
714 | ||
715 | // take next primary if all secondaries were done | |
716 | while (fCurrentPrimary>=0) { | |
717 | fCurrent = fCurrentPrimary; | |
718 | particle = (TParticle*) fParticleMap->At(fCurrentPrimary--); | |
719 | if ((particle) && (!particle->TestBit(kDoneBit))) { | |
720 | //cout << "GetNextParticle() - primary " | |
721 | // << fNtrack << " " << fHgwmk << " " << fCurrent << endl; | |
722 | return particle; | |
723 | } | |
724 | } | |
725 | ||
726 | // nothing to be tracked | |
727 | fCurrent = -1; | |
728 | //cout << "GetNextParticle() - none " | |
729 | // << fNtrack << " " << fHgwmk << " " << fCurrent << endl; | |
730 | return particle; | |
731 | } | |
732 | ||
733 | //__________________________________________________________________________________________ | |
734 | void AliStack::MakeTree(Int_t event, const char *file) | |
735 | { | |
736 | // | |
737 | // Make Kine tree and creates branch for writing particles | |
738 | // | |
739 | TBranch *branch=0; | |
740 | // Make Kinematics Tree | |
741 | char hname[30]; | |
742 | // printf("\n MakeTree called %d", event); | |
743 | if (!fTreeK) { | |
744 | sprintf(hname,"TreeK%d",event); | |
745 | fTreeK = new TTree(hname,"Kinematics"); | |
746 | // Create a branch for particles | |
747 | branch = fTreeK->Branch("Particles", "TParticle", &fParticleBuffer, 4000, 1); | |
748 | fTreeK->Write(0,TObject::kOverwrite); | |
749 | } | |
750 | } | |
751 | ||
81694e6a | 752 | //_____________________________________________________________________________ |
9e1a0ddb | 753 | void AliStack::BeginEvent(Int_t event) |
754 | { | |
755 | // start a new event | |
756 | // | |
757 | // | |
758 | fNprimary = 0; | |
759 | fNtrack = 0; | |
760 | ||
761 | char hname[30]; | |
762 | if(fTreeK) { | |
763 | fTreeK->Reset(); | |
764 | sprintf(hname,"TreeK%d",event); | |
765 | fTreeK->SetName(hname); | |
766 | } | |
767 | } | |
768 | ||
81694e6a | 769 | //_____________________________________________________________________________ |
9e1a0ddb | 770 | void AliStack::FinishRun() |
771 | { | |
772 | // Clean TreeK information | |
773 | if (fTreeK) { | |
774 | delete fTreeK; fTreeK = 0; | |
775 | } | |
776 | } | |
777 | ||
81694e6a | 778 | //_____________________________________________________________________________ |
9e1a0ddb | 779 | void AliStack::GetEvent(Int_t event) |
780 | { | |
781 | // | |
782 | // Get new event from TreeK | |
783 | // Reset/Create the particle stack | |
784 | if (fTreeK) delete fTreeK; | |
785 | ||
786 | // Get Kine Tree from file | |
787 | char treeName[20]; | |
788 | sprintf(treeName,"TreeK%d",event); | |
789 | fTreeK = (TTree*)gDirectory->Get(treeName); | |
790 | ||
791 | if (fTreeK) fTreeK->SetBranchAddress("Particles", &fParticleBuffer); | |
792 | ||
793 | else | |
794 | Error("GetEvent","cannot find Kine Tree for event:%d\n",event); | |
795 | // | |
796 | // printf("\n primaries %d", fNprimary); | |
797 | // printf("\n tracks %d", fNtrack); | |
798 | // | |
799 | Int_t size = (Int_t)fTreeK->GetEntries(); | |
800 | ResetArrays(size); | |
801 | } |