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5d12ce38 | 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 | /* $Id$ */ | |
17 | ||
d0d4a6b3 | 18 | // This class is extracted from the AliRun class |
19 | // and contains all the MC-related functionality | |
20 | // The number of dependencies has to be reduced... | |
21 | // Author: F.Carminati | |
22 | // Federico.Carminati@cern.ch | |
23 | ||
c75cfb51 | 24 | #include <RVersion.h> |
5d12ce38 | 25 | #include <TBrowser.h> |
26 | #include <TStopwatch.h> | |
27 | #include <TSystem.h> | |
28 | #include <TVirtualMC.h> | |
0561efeb | 29 | #include "TGeant3.h" |
30 | ||
5d12ce38 | 31 | |
21bf7095 | 32 | #include "AliLog.h" |
5d12ce38 | 33 | #include "AliDetector.h" |
34 | #include "AliGenerator.h" | |
35 | #include "AliHeader.h" | |
36 | #include "AliLego.h" | |
37 | #include "AliMC.h" | |
38 | #include "AliMCQA.h" | |
39 | #include "AliRun.h" | |
40 | #include "AliStack.h" | |
0561efeb | 41 | #include "AliMagF.h" |
5d12ce38 | 42 | #include "AliTrackReference.h" |
43 | ||
44 | ||
45 | ClassImp(AliMC) | |
46 | ||
47 | //_______________________________________________________________________ | |
48 | AliMC::AliMC() : | |
49 | fGenerator(0), | |
50 | fEventEnergy(0), | |
51 | fSummEnergy(0), | |
52 | fSum2Energy(0), | |
53 | fTrRmax(1.e10), | |
54 | fTrZmax(1.e10), | |
90e48c0c | 55 | fRDecayMax(1.e10), |
56 | fRDecayMin(0), | |
57 | fDecayPdg(0), | |
5d12ce38 | 58 | fImedia(0), |
59 | fTransParName("\0"), | |
60 | fMCQA(0), | |
61 | fHitLists(0), | |
62 | fTrackReferences(0) | |
63 | ||
64 | { | |
d0d4a6b3 | 65 | //default constructor |
0561efeb | 66 | DecayLimits(); |
5d12ce38 | 67 | } |
68 | ||
69 | //_______________________________________________________________________ | |
70 | AliMC::AliMC(const char *name, const char *title) : | |
71 | TVirtualMCApplication(name, title), | |
72 | fGenerator(0), | |
73 | fEventEnergy(0), | |
74 | fSummEnergy(0), | |
75 | fSum2Energy(0), | |
76 | fTrRmax(1.e10), | |
77 | fTrZmax(1.e10), | |
90e48c0c | 78 | fRDecayMax(1.e10), |
79 | fRDecayMin(0), | |
80 | fDecayPdg(0), | |
5d12ce38 | 81 | fImedia(new TArrayI(1000)), |
82 | fTransParName("\0"), | |
83 | fMCQA(0), | |
84 | fHitLists(new TList()), | |
85 | fTrackReferences(new TClonesArray("AliTrackReference", 100)) | |
86 | { | |
d0d4a6b3 | 87 | //constructor |
5d12ce38 | 88 | // Set transport parameters |
89 | SetTransPar(); | |
0561efeb | 90 | DecayLimits(); |
5d12ce38 | 91 | // Prepare the tracking medium lists |
92 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 93 | } |
94 | ||
95 | //_______________________________________________________________________ | |
96 | AliMC::AliMC(const AliMC &mc) : | |
97 | TVirtualMCApplication(mc), | |
98 | fGenerator(0), | |
99 | fEventEnergy(0), | |
100 | fSummEnergy(0), | |
101 | fSum2Energy(0), | |
102 | fTrRmax(1.e10), | |
103 | fTrZmax(1.e10), | |
90e48c0c | 104 | fRDecayMax(1.e10), |
105 | fRDecayMin(0), | |
106 | fDecayPdg(0), | |
5d12ce38 | 107 | fImedia(0), |
108 | fTransParName("\0"), | |
109 | fMCQA(0), | |
110 | fHitLists(0), | |
111 | fTrackReferences(0) | |
112 | { | |
113 | // | |
90e48c0c | 114 | // Copy constructor for AliMC |
5d12ce38 | 115 | // |
116 | mc.Copy(*this); | |
117 | } | |
118 | ||
119 | //_______________________________________________________________________ | |
120 | AliMC::~AliMC() | |
121 | { | |
d0d4a6b3 | 122 | //destructor |
5d12ce38 | 123 | delete fGenerator; |
124 | delete fImedia; | |
125 | delete fMCQA; | |
126 | delete fHitLists; | |
127 | // Delete track references | |
128 | if (fTrackReferences) { | |
129 | fTrackReferences->Delete(); | |
130 | delete fTrackReferences; | |
131 | fTrackReferences = 0; | |
132 | } | |
133 | ||
134 | } | |
135 | ||
136 | //_______________________________________________________________________ | |
6c4904c2 | 137 | void AliMC::Copy(TObject &) const |
5d12ce38 | 138 | { |
d0d4a6b3 | 139 | //dummy Copy function |
21bf7095 | 140 | AliFatal("Not implemented!"); |
5d12ce38 | 141 | } |
142 | ||
143 | //_______________________________________________________________________ | |
144 | void AliMC::ConstructGeometry() | |
145 | { | |
146 | // | |
147 | // Create modules, materials, geometry | |
148 | // | |
149 | ||
150 | TStopwatch stw; | |
151 | TIter next(gAlice->Modules()); | |
152 | AliModule *detector; | |
21bf7095 | 153 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 154 | while((detector = dynamic_cast<AliModule*>(next()))) { |
155 | stw.Start(); | |
156 | // Initialise detector materials and geometry | |
157 | detector->CreateMaterials(); | |
158 | detector->CreateGeometry(); | |
21bf7095 | 159 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
160 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 161 | } |
162 | } | |
163 | ||
164 | //_______________________________________________________________________ | |
165 | void AliMC::InitGeometry() | |
166 | { | |
167 | // | |
168 | // Initialize detectors and display geometry | |
169 | // | |
170 | ||
21bf7095 | 171 | AliInfo("Initialisation:"); |
5d12ce38 | 172 | TStopwatch stw; |
173 | TIter next(gAlice->Modules()); | |
174 | AliModule *detector; | |
175 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
176 | stw.Start(); | |
177 | // Initialise detector and display geometry | |
178 | detector->Init(); | |
179 | detector->BuildGeometry(); | |
21bf7095 | 180 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
181 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 182 | } |
183 | ||
184 | } | |
185 | ||
186 | //_______________________________________________________________________ | |
2057aecb | 187 | void AliMC::GeneratePrimaries() |
5d12ce38 | 188 | { |
189 | // | |
190 | // Generate primary particles and fill them in the stack. | |
191 | // | |
192 | ||
193 | Generator()->Generate(); | |
194 | } | |
195 | ||
196 | //_______________________________________________________________________ | |
197 | void AliMC::SetGenerator(AliGenerator *generator) | |
198 | { | |
199 | // | |
200 | // Load the event generator | |
201 | // | |
202 | if(!fGenerator) fGenerator = generator; | |
203 | } | |
204 | ||
205 | //_______________________________________________________________________ | |
206 | void AliMC::ResetGenerator(AliGenerator *generator) | |
207 | { | |
208 | // | |
209 | // Load the event generator | |
210 | // | |
211 | if(fGenerator) | |
212 | if(generator) | |
21bf7095 | 213 | AliWarning(Form("Replacing generator %s with %s", |
214 | fGenerator->GetName(),generator->GetName())) | |
5d12ce38 | 215 | else |
21bf7095 | 216 | AliWarning(Form("Replacing generator %s with NULL", |
217 | fGenerator->GetName())); | |
5d12ce38 | 218 | fGenerator = generator; |
219 | } | |
220 | ||
221 | //_______________________________________________________________________ | |
222 | void AliMC::FinishRun() | |
223 | { | |
224 | // Clean generator information | |
21bf7095 | 225 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 226 | fGenerator->FinishRun(); |
227 | ||
228 | //Output energy summary tables | |
21bf7095 | 229 | AliDebug(1, "EnergySummary()"); |
230 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 231 | } |
232 | ||
233 | //_______________________________________________________________________ | |
234 | void AliMC::BeginPrimary() | |
235 | { | |
236 | // | |
237 | // Called at the beginning of each primary track | |
238 | // | |
239 | ||
240 | // Reset Hits info | |
241 | ResetHits(); | |
242 | ResetTrackReferences(); | |
243 | ||
244 | } | |
245 | ||
246 | //_______________________________________________________________________ | |
247 | void AliMC::PreTrack() | |
248 | { | |
d0d4a6b3 | 249 | // Actions before the track's transport |
5d12ce38 | 250 | TObjArray &dets = *gAlice->Modules(); |
251 | AliModule *module; | |
252 | ||
253 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
254 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
255 | module->PreTrack(); | |
256 | ||
257 | fMCQA->PreTrack(); | |
258 | } | |
259 | ||
260 | //_______________________________________________________________________ | |
261 | void AliMC::Stepping() | |
262 | { | |
263 | // | |
264 | // Called at every step during transport | |
265 | // | |
0561efeb | 266 | |
5d12ce38 | 267 | Int_t id = DetFromMate(gMC->GetMedium()); |
268 | if (id < 0) return; | |
269 | ||
0561efeb | 270 | |
271 | if ( gMC->IsNewTrack() && | |
272 | gMC->TrackTime() == 0. && | |
273 | fRDecayMin > 0. && | |
274 | fRDecayMax > fRDecayMin && | |
275 | gMC->TrackPid() == fDecayPdg ) | |
276 | { | |
277 | FixParticleDecaytime(); | |
278 | } | |
279 | ||
280 | ||
281 | ||
5d12ce38 | 282 | // |
283 | // --- If lego option, do it and leave | |
284 | if (gAlice->Lego()) | |
285 | gAlice->Lego()->StepManager(); | |
286 | else { | |
287 | Int_t copy; | |
288 | //Update energy deposition tables | |
289 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 290 | // |
291 | // write tracke reference for track which is dissapearing - MI | |
292 | if (gMC->IsTrackDisappeared()) { | |
05c7517d | 293 | if (gMC->Etot()>0.05) AddTrackReference(GetCurrentTrackNumber()); |
ab03c084 | 294 | } |
5d12ce38 | 295 | |
296 | //Call the appropriate stepping routine; | |
297 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
298 | if(det && det->StepManagerIsEnabled()) { | |
299 | fMCQA->StepManager(id); | |
300 | det->StepManager(); | |
301 | } | |
302 | } | |
303 | } | |
304 | ||
305 | //_______________________________________________________________________ | |
306 | void AliMC::EnergySummary() | |
307 | { | |
308 | // | |
309 | // Print summary of deposited energy | |
310 | // | |
311 | ||
312 | Int_t ndep=0; | |
313 | Float_t edtot=0; | |
314 | Float_t ed, ed2; | |
315 | Int_t kn, i, left, j, id; | |
316 | const Float_t kzero=0; | |
317 | Int_t ievent=gAlice->GetRunLoader()->GetHeader()->GetEvent()+1; | |
318 | // | |
319 | // Energy loss information | |
320 | if(ievent) { | |
321 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
322 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
323 | ed=fSummEnergy[kn]; | |
324 | if(ed>0) { | |
325 | fEventEnergy[ndep]=kn; | |
326 | if(ievent>1) { | |
327 | ed=ed/ievent; | |
328 | ed2=fSum2Energy[kn]; | |
329 | ed2=ed2/ievent; | |
330 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
331 | } else | |
332 | ed2=99; | |
333 | fSummEnergy[ndep]=ed; | |
334 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
335 | edtot+=ed; | |
336 | ndep++; | |
337 | } | |
338 | } | |
339 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
340 | left=ndep-kn*3; | |
341 | for(i=0;i<(3<left?3:left);i++) { | |
342 | j=kn*3+i; | |
343 | id=Int_t (fEventEnergy[j]+0.1); | |
344 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
345 | } | |
346 | printf("\n"); | |
347 | } | |
348 | // | |
349 | // Relative energy loss in different detectors | |
350 | printf("******************** Relative Energy Loss per event ********************\n"); | |
351 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
352 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
353 | left=ndep-kn*5; | |
354 | for(i=0;i<(5<left?5:left);i++) { | |
355 | j=kn*5+i; | |
356 | id=Int_t (fEventEnergy[j]+0.1); | |
357 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
358 | } | |
359 | printf("\n"); | |
360 | } | |
361 | for(kn=0;kn<75;kn++) printf("*"); | |
362 | printf("\n"); | |
363 | } | |
364 | // | |
365 | // Reset the TArray's | |
366 | // fEventEnergy.Set(0); | |
367 | // fSummEnergy.Set(0); | |
368 | // fSum2Energy.Set(0); | |
369 | } | |
370 | ||
371 | //_____________________________________________________________________________ | |
372 | void AliMC::BeginEvent() | |
373 | { | |
374 | // | |
375 | // Clean-up previous event | |
376 | // Energy scores | |
21bf7095 | 377 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
378 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
379 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
380 | AliDebug(1, " BEGINNING EVENT "); | |
381 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
382 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
383 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 384 | |
385 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
386 | ||
387 | /*******************************/ | |
388 | /* Clean after eventual */ | |
389 | /* previous event */ | |
390 | /*******************************/ | |
391 | ||
392 | ||
393 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
394 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
395 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 396 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 397 | |
398 | fEventEnergy.Reset(); | |
399 | // Clean detector information | |
400 | ||
401 | if (runloader->Stack()) | |
402 | runloader->Stack()->Reset();//clean stack -> tree is unloaded | |
403 | else | |
404 | runloader->MakeStack();//or make a new one | |
504b172d | 405 | |
406 | if(gAlice->Lego() == 0x0) | |
407 | { | |
21bf7095 | 408 | AliDebug(1, "fRunLoader->MakeTree(K)"); |
504b172d | 409 | runloader->MakeTree("K"); |
410 | } | |
411 | ||
21bf7095 | 412 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
5d12ce38 | 413 | gMC->SetStack(gAlice->GetRunLoader()->Stack());//Was in InitMC - but was moved here |
414 | //because we don't have guarantee that | |
415 | //stack pointer is not going to change from event to event | |
416 | //since it bellobgs to header and is obtained via RunLoader | |
417 | // | |
418 | // Reset all Detectors & kinematics & make/reset trees | |
419 | // | |
420 | ||
421 | runloader->GetHeader()->Reset(gAlice->GetRunNumber(),gAlice->GetEvNumber(), | |
422 | gAlice->GetEventNrInRun()); | |
423 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so | |
424 | ||
504b172d | 425 | if(gAlice->Lego()) |
426 | { | |
427 | gAlice->Lego()->BeginEvent(); | |
428 | return; | |
429 | } | |
430 | ||
5d12ce38 | 431 | |
21bf7095 | 432 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 433 | ResetHits(); |
504b172d | 434 | |
21bf7095 | 435 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 436 | runloader->MakeTree("H"); |
504b172d | 437 | |
21bf7095 | 438 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); |
504b172d | 439 | runloader->MakeTrackRefsContainer();//for insurance |
5d12ce38 | 440 | |
5d12ce38 | 441 | |
442 | //create new branches and SetAdresses | |
443 | TIter next(gAlice->Modules()); | |
444 | AliModule *detector; | |
445 | while((detector = (AliModule*)next())) | |
446 | { | |
21bf7095 | 447 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
5d12ce38 | 448 | detector->MakeBranch("H"); |
21bf7095 | 449 | AliDebug(2, Form("%s->MakeBranchTR()",detector->GetName())); |
5d12ce38 | 450 | detector->MakeBranchTR(); |
21bf7095 | 451 | AliDebug(2, Form("%s->SetTreeAddress()",detector->GetName())); |
5d12ce38 | 452 | detector->SetTreeAddress(); |
453 | } | |
ab03c084 | 454 | // make branch for AliRun track References |
455 | TTree * treeTR = runloader->TreeTR(); | |
456 | if (treeTR){ | |
457 | // make branch for central track references | |
458 | if (!fTrackReferences) fTrackReferences = new TClonesArray("AliTrackReference",0); | |
459 | TBranch *branch; | |
460 | branch = treeTR->Branch("AliRun",&fTrackReferences); | |
461 | branch->SetAddress(&fTrackReferences); | |
462 | } | |
463 | // | |
5d12ce38 | 464 | } |
465 | ||
466 | //_______________________________________________________________________ | |
467 | void AliMC::ResetHits() | |
468 | { | |
469 | // | |
470 | // Reset all Detectors hits | |
471 | // | |
472 | TIter next(gAlice->Modules()); | |
473 | AliModule *detector; | |
474 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
475 | detector->ResetHits(); | |
476 | } | |
477 | } | |
478 | ||
479 | //_______________________________________________________________________ | |
480 | void AliMC::PostTrack() | |
481 | { | |
d0d4a6b3 | 482 | // Posts tracks for each module |
5d12ce38 | 483 | TObjArray &dets = *gAlice->Modules(); |
484 | AliModule *module; | |
485 | ||
486 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
487 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
488 | module->PostTrack(); | |
489 | } | |
490 | ||
491 | //_______________________________________________________________________ | |
492 | void AliMC::FinishPrimary() | |
493 | { | |
494 | // | |
495 | // Called at the end of each primary track | |
496 | // | |
497 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
498 | // static Int_t count=0; | |
499 | // const Int_t times=10; | |
500 | // This primary is finished, purify stack | |
c75cfb51 | 501 | #if ROOT_VERSION_CODE > 262152 |
05c7517d | 502 | if (!(gMC->SecondariesAreOrdered())) |
503 | runloader->Stack()->ReorderKine(); | |
c75cfb51 | 504 | #endif |
5d12ce38 | 505 | runloader->Stack()->PurifyKine(); |
504b172d | 506 | |
5d12ce38 | 507 | TIter next(gAlice->Modules()); |
508 | AliModule *detector; | |
509 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
510 | detector->FinishPrimary(); | |
504b172d | 511 | AliLoader* loader = detector->GetLoader(); |
512 | if(loader) | |
513 | { | |
514 | TTree* treeH = loader->TreeH(); | |
515 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
516 | } | |
5d12ce38 | 517 | } |
518 | ||
519 | // Write out track references if any | |
520 | if (runloader->TreeTR()) runloader->TreeTR()->Fill(); | |
521 | } | |
522 | ||
523 | //_______________________________________________________________________ | |
524 | void AliMC::FinishEvent() | |
525 | { | |
526 | // | |
527 | // Called at the end of the event. | |
528 | // | |
529 | ||
530 | // | |
531 | if(gAlice->Lego()) gAlice->Lego()->FinishEvent(); | |
532 | ||
533 | TIter next(gAlice->Modules()); | |
534 | AliModule *detector; | |
535 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
536 | detector->FinishEvent(); | |
537 | } | |
538 | ||
539 | //Update the energy deposit tables | |
540 | Int_t i; | |
541 | for(i=0;i<fEventEnergy.GetSize();i++) | |
542 | { | |
543 | fSummEnergy[i]+=fEventEnergy[i]; | |
544 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
545 | } | |
546 | ||
547 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
548 | ||
549 | AliHeader* header = runloader->GetHeader(); | |
550 | AliStack* stack = runloader->Stack(); | |
551 | if ( (header == 0x0) || (stack == 0x0) ) | |
552 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 553 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 554 | return;//never reached |
555 | } | |
556 | // Update Header information | |
557 | header->SetNprimary(stack->GetNprimary()); | |
558 | header->SetNtrack(stack->GetNtrack()); | |
559 | ||
560 | ||
561 | // Write out the kinematics | |
562 | stack->FinishEvent(); | |
563 | ||
564 | // Write out the event Header information | |
565 | TTree* treeE = runloader->TreeE(); | |
566 | if (treeE) | |
567 | { | |
568 | header->SetStack(stack); | |
569 | treeE->Fill(); | |
570 | } | |
571 | else | |
572 | { | |
21bf7095 | 573 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 574 | } |
575 | ||
504b172d | 576 | if(gAlice->Lego() == 0x0) |
577 | { | |
578 | runloader->WriteKinematics("OVERWRITE"); | |
579 | runloader->WriteTrackRefs("OVERWRITE"); | |
580 | runloader->WriteHits("OVERWRITE"); | |
581 | } | |
582 | ||
21bf7095 | 583 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
584 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
585 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
586 | AliDebug(1, " FINISHING EVENT "); | |
587 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
588 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
589 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 590 | } |
591 | ||
592 | //_______________________________________________________________________ | |
593 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
594 | { | |
d0d4a6b3 | 595 | // Calculates field "b" at point "x" |
5d12ce38 | 596 | gAlice->Field(x,b); |
597 | } | |
598 | ||
599 | //_______________________________________________________________________ | |
600 | void AliMC::Init() | |
601 | { | |
d0d4a6b3 | 602 | // MC initialization |
5d12ce38 | 603 | |
604 | //=================Create Materials and geometry | |
605 | gMC->Init(); | |
5d12ce38 | 606 | //Read the cuts for all materials |
607 | ReadTransPar(); | |
608 | //Build the special IMEDIA table | |
609 | MediaTable(); | |
610 | ||
611 | //Compute cross-sections | |
612 | gMC->BuildPhysics(); | |
613 | ||
614 | //Write Geometry object to current file. | |
615 | gAlice->GetRunLoader()->WriteGeometry(); | |
616 | ||
617 | //Initialise geometry deposition table | |
618 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
619 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
620 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
621 | ||
622 | // | |
623 | fMCQA = new AliMCQA(gAlice->GetNdets()); | |
624 | ||
625 | // Register MC in configuration | |
626 | AliConfig::Instance()->Add(gMC); | |
627 | ||
628 | } | |
629 | ||
630 | //_______________________________________________________________________ | |
631 | void AliMC::MediaTable() | |
632 | { | |
633 | // | |
634 | // Built media table to get from the media number to | |
635 | // the detector id | |
636 | // | |
637 | ||
638 | Int_t kz, nz, idt, lz, i, k, ind; | |
639 | // Int_t ibeg; | |
640 | TObjArray &dets = *gAlice->Detectors(); | |
641 | AliModule *det; | |
642 | Int_t ndets=gAlice->GetNdets(); | |
643 | // | |
644 | // For all detectors | |
645 | for (kz=0;kz<ndets;kz++) { | |
646 | // If detector is defined | |
647 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
648 | TArrayI &idtmed = *(det->GetIdtmed()); | |
649 | for(nz=0;nz<100;nz++) { | |
0561efeb | 650 | |
5d12ce38 | 651 | // Find max and min material number |
652 | if((idt=idtmed[nz])) { | |
653 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
654 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
655 | } | |
656 | } | |
657 | if(det->LoMedium() > det->HiMedium()) { | |
658 | det->LoMedium() = 0; | |
659 | det->HiMedium() = 0; | |
660 | } else { | |
661 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 662 | AliError(Form("Increase fImedia from %d to %d", |
663 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 664 | return; |
665 | } | |
666 | // Tag all materials in rage as belonging to detector kz | |
667 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
668 | (*fImedia)[lz]=kz; | |
669 | } | |
670 | } | |
671 | } | |
672 | } | |
673 | // | |
674 | // Print summary table | |
21bf7095 | 675 | AliInfo("Tracking media ranges:"); |
676 | ToAliInfo( | |
5d12ce38 | 677 | for(i=0;i<(ndets-1)/6+1;i++) { |
678 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
679 | ind=i*6+k; | |
680 | det=dynamic_cast<AliModule*>(dets[ind]); | |
681 | if(det) | |
682 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
683 | det->HiMedium()); | |
684 | else | |
685 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
686 | } | |
687 | printf("\n"); | |
688 | } | |
21bf7095 | 689 | ) |
5d12ce38 | 690 | } |
691 | ||
692 | //_______________________________________________________________________ | |
693 | void AliMC::ReadTransPar() | |
694 | { | |
695 | // | |
696 | // Read filename to set the transport parameters | |
697 | // | |
698 | ||
699 | ||
700 | const Int_t kncuts=10; | |
701 | const Int_t knflags=11; | |
702 | const Int_t knpars=kncuts+knflags; | |
703 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
704 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
705 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
706 | "MULS","PAIR","PHOT","RAYL"}; | |
707 | char line[256]; | |
708 | char detName[7]; | |
709 | char* filtmp; | |
710 | Float_t cut[kncuts]; | |
711 | Int_t flag[knflags]; | |
712 | Int_t i, itmed, iret, ktmed, kz; | |
713 | FILE *lun; | |
714 | // | |
715 | // See whether the file is there | |
716 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
717 | lun=fopen(filtmp,"r"); | |
718 | delete [] filtmp; | |
719 | if(!lun) { | |
21bf7095 | 720 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 721 | return; |
722 | } | |
723 | // | |
5d12ce38 | 724 | while(1) { |
725 | // Initialise cuts and flags | |
726 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
727 | for(i=0;i<knflags;i++) flag[i]=-99; | |
728 | itmed=0; | |
729 | for(i=0;i<256;i++) line[i]='\0'; | |
730 | // Read up to the end of line excluded | |
731 | iret=fscanf(lun,"%[^\n]",line); | |
732 | if(iret<0) { | |
733 | //End of file | |
734 | fclose(lun); | |
5d12ce38 | 735 | return; |
736 | } | |
737 | // Read the end of line | |
738 | fscanf(lun,"%*c"); | |
739 | if(!iret) continue; | |
740 | if(line[0]=='*') continue; | |
741 | // Read the numbers | |
742 | iret=sscanf(line,"%s %d %f %f %f %f %f %f %f %f %f %f %d %d %d %d %d %d %d %d %d %d %d", | |
743 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
744 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
745 | &flag[8],&flag[9],&flag[10]); | |
746 | if(!iret) continue; | |
747 | if(iret<0) { | |
748 | //reading error | |
21bf7095 | 749 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 750 | continue; |
751 | } | |
752 | // Check that the module exist | |
753 | AliModule *mod = gAlice->GetModule(detName); | |
754 | if(mod) { | |
755 | // Get the array of media numbers | |
756 | TArrayI &idtmed = *mod->GetIdtmed(); | |
757 | // Check that the tracking medium code is valid | |
758 | if(0<=itmed && itmed < 100) { | |
759 | ktmed=idtmed[itmed]; | |
760 | if(!ktmed) { | |
21bf7095 | 761 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 762 | continue; |
763 | } | |
764 | // Set energy thresholds | |
765 | for(kz=0;kz<kncuts;kz++) { | |
766 | if(cut[kz]>=0) { | |
21bf7095 | 767 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
768 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 769 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
770 | } | |
771 | } | |
772 | // Set transport mechanisms | |
773 | for(kz=0;kz<knflags;kz++) { | |
774 | if(flag[kz]>=0) { | |
21bf7095 | 775 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
776 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 777 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
778 | } | |
779 | } | |
780 | } else { | |
21bf7095 | 781 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 782 | continue; |
783 | } | |
784 | } else { | |
21bf7095 | 785 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 786 | continue; |
787 | } | |
788 | } | |
789 | } | |
790 | ||
791 | //_______________________________________________________________________ | |
792 | void AliMC::SetTransPar(const char *filename) | |
793 | { | |
794 | // | |
795 | // Sets the file name for transport parameters | |
796 | // | |
797 | fTransParName = filename; | |
798 | } | |
799 | ||
800 | //_______________________________________________________________________ | |
0054628d | 801 | void AliMC::Browse(TBrowser *b) |
5d12ce38 | 802 | { |
803 | // | |
804 | // Called when the item "Run" is clicked on the left pane | |
805 | // of the Root browser. | |
806 | // It displays the Root Trees and all detectors. | |
807 | // | |
808 | //detectors are in folders anyway | |
809 | b->Add(fMCQA,"AliMCQA"); | |
810 | } | |
811 | ||
812 | //PH | |
813 | //_______________________________________________________________________ | |
814 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
815 | { | |
816 | // | |
817 | // Add a hit to detector id | |
818 | // | |
819 | TObjArray &dets = *gAlice->Modules(); | |
820 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
821 | } | |
822 | ||
823 | //_______________________________________________________________________ | |
824 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
825 | { | |
826 | // | |
827 | // Add digit to detector id | |
828 | // | |
829 | TObjArray &dets = *gAlice->Modules(); | |
830 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
831 | } | |
832 | ||
833 | //_______________________________________________________________________ | |
834 | Int_t AliMC::GetCurrentTrackNumber() const { | |
835 | // | |
836 | // Returns current track | |
837 | // | |
838 | return gAlice->GetRunLoader()->Stack()->GetCurrentTrackNumber(); | |
839 | } | |
840 | ||
841 | //_______________________________________________________________________ | |
842 | void AliMC::DumpPart (Int_t i) const | |
843 | { | |
844 | // | |
845 | // Dumps particle i in the stack | |
846 | // | |
847 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
848 | if (runloader->Stack()) | |
849 | runloader->Stack()->DumpPart(i); | |
850 | } | |
851 | ||
852 | //_______________________________________________________________________ | |
853 | void AliMC::DumpPStack () const | |
854 | { | |
855 | // | |
856 | // Dumps the particle stack | |
857 | // | |
858 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
859 | if (runloader->Stack()) | |
860 | runloader->Stack()->DumpPStack(); | |
861 | } | |
862 | ||
863 | //_______________________________________________________________________ | |
864 | Int_t AliMC::GetNtrack() const { | |
865 | // | |
866 | // Returns number of tracks in stack | |
867 | // | |
868 | Int_t ntracks = -1; | |
869 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
870 | if (runloader->Stack()) | |
871 | ntracks = runloader->Stack()->GetNtrack(); | |
872 | return ntracks; | |
873 | } | |
874 | ||
875 | //_______________________________________________________________________ | |
876 | Int_t AliMC::GetPrimary(Int_t track) const | |
877 | { | |
878 | // | |
879 | // return number of primary that has generated track | |
880 | // | |
881 | Int_t nprimary = -999; | |
882 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
883 | if (runloader->Stack()) | |
884 | nprimary = runloader->Stack()->GetPrimary(track); | |
885 | return nprimary; | |
886 | } | |
887 | ||
888 | //_______________________________________________________________________ | |
889 | TParticle* AliMC::Particle(Int_t i) const | |
890 | { | |
d0d4a6b3 | 891 | // Returns the i-th particle from the stack taking into account |
892 | // the remaping done by PurifyKine | |
5d12ce38 | 893 | AliRunLoader * runloader = gAlice->GetRunLoader(); |
894 | if (runloader) | |
895 | if (runloader->Stack()) | |
896 | return runloader->Stack()->Particle(i); | |
897 | return 0x0; | |
898 | } | |
899 | ||
900 | //_______________________________________________________________________ | |
901 | TObjArray* AliMC::Particles() const { | |
902 | // | |
903 | // Returns pointer to Particles array | |
904 | // | |
905 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
906 | if (runloader) | |
907 | if (runloader->Stack()) | |
908 | return runloader->Stack()->Particles(); | |
909 | return 0x0; | |
910 | } | |
911 | ||
912 | //_______________________________________________________________________ | |
913 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
914 | Float_t *vpos, Float_t *polar, Float_t tof, | |
2057aecb | 915 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 916 | { |
917 | // Delegate to stack | |
918 | // | |
919 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
920 | if (runloader) | |
921 | if (runloader->Stack()) | |
922 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
923 | mech, ntr, weight, is); | |
924 | } | |
925 | ||
926 | //_______________________________________________________________________ | |
927 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
928 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
929 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
930 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 931 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 932 | { |
933 | // Delegate to stack | |
934 | // | |
935 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
936 | if (runloader) | |
937 | if (runloader->Stack()) | |
938 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
939 | polx, poly, polz, mech, ntr, weight, is); | |
940 | } | |
941 | ||
942 | //_______________________________________________________________________ | |
2057aecb | 943 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 944 | { |
945 | // | |
946 | // Set high water mark for last track in event | |
947 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
948 | if (runloader) | |
949 | if (runloader->Stack()) | |
950 | runloader->Stack()->SetHighWaterMark(nt); | |
951 | } | |
952 | ||
953 | //_______________________________________________________________________ | |
2057aecb | 954 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 955 | { |
956 | // | |
957 | // Delegate to stack | |
958 | // | |
959 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
960 | if (runloader) | |
961 | if (runloader->Stack()) | |
962 | runloader->Stack()->KeepTrack(track); | |
963 | } | |
964 | ||
965 | //_______________________________________________________________________ | |
2057aecb | 966 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 967 | { |
968 | // Delegate to stack | |
969 | // | |
970 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
971 | if (runloader) | |
972 | if (runloader->Stack()) | |
973 | runloader->Stack()->FlagTrack(track); | |
974 | } | |
975 | ||
976 | //_______________________________________________________________________ | |
2057aecb | 977 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 978 | { |
979 | // | |
980 | // Set current track number | |
981 | // | |
982 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
983 | if (runloader) | |
984 | if (runloader->Stack()) | |
985 | runloader->Stack()->SetCurrentTrack(track); | |
986 | } | |
987 | ||
988 | //_______________________________________________________________________ | |
989 | void AliMC::AddTrackReference(Int_t label){ | |
990 | // | |
991 | // add a trackrefernce to the list | |
992 | if (!fTrackReferences) { | |
21bf7095 | 993 | AliError("Container trackrefernce not active"); |
5d12ce38 | 994 | return; |
995 | } | |
996 | Int_t nref = fTrackReferences->GetEntriesFast(); | |
997 | TClonesArray &lref = *fTrackReferences; | |
998 | new(lref[nref]) AliTrackReference(label); | |
999 | } | |
1000 | ||
1001 | ||
1002 | ||
1003 | //_______________________________________________________________________ | |
1004 | void AliMC::ResetTrackReferences() | |
1005 | { | |
1006 | // | |
1007 | // Reset all references | |
1008 | // | |
1009 | if (fTrackReferences) fTrackReferences->Clear(); | |
1010 | ||
1011 | TIter next(gAlice->Modules()); | |
1012 | AliModule *detector; | |
1013 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
1014 | detector->ResetTrackReferences(); | |
1015 | } | |
1016 | } | |
1017 | ||
1018 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1019 | { | |
1020 | // | |
1021 | // Remapping track reference | |
1022 | // Called at finish primary | |
1023 | // | |
1024 | if (!fTrackReferences) return; | |
1025 | for (Int_t i=0;i<fTrackReferences->GetEntries();i++){ | |
1026 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTrackReferences->UncheckedAt(i)); | |
1027 | if (ref) { | |
1028 | Int_t newID = map[ref->GetTrack()]; | |
1029 | if (newID>=0) ref->SetTrack(newID); | |
1030 | else { | |
1031 | //ref->SetTrack(-1); | |
1032 | ref->SetBit(kNotDeleted,kFALSE); | |
1033 | fTrackReferences->RemoveAt(i); | |
1034 | } | |
1035 | } | |
1036 | } | |
1037 | fTrackReferences->Compress(); | |
1038 | } | |
0561efeb | 1039 | |
1040 | void AliMC::FixParticleDecaytime() | |
1041 | { | |
1042 | // | |
1043 | // Fix the particle decay time according to rmin and rmax for decays | |
1044 | // | |
1045 | ||
1046 | TLorentzVector p; | |
1047 | gMC->TrackMomentum(p); | |
1048 | Double_t tmin, tmax; | |
1049 | Double_t b; | |
1050 | ||
1051 | // Transverse velocity | |
1052 | Double_t vt = p.Pt() / p.E(); | |
1053 | ||
1054 | if ((b = gAlice->Field()->SolenoidField()) > 0.) { // [kG] | |
1055 | ||
1056 | // Radius of helix | |
1057 | ||
1058 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1059 | ||
1060 | // Revolution frequency | |
1061 | ||
1062 | Double_t omega = vt / rho; | |
1063 | ||
1064 | // Maximum and minimum decay time | |
1065 | // | |
1066 | // Check for curlers first | |
1067 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1068 | ||
1069 | // | |
1070 | ||
1071 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1072 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1073 | } else { | |
1074 | tmax = fRDecayMax / vt; // [ct] | |
1075 | tmin = fRDecayMin / vt; // [ct] | |
1076 | } | |
1077 | ||
1078 | // | |
1079 | // Dial t using the two limits | |
1080 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1081 | // | |
1082 | // | |
1083 | // Force decay time in transport code | |
1084 | // | |
1085 | TGeant3 * geant = (TGeant3*) gMC; | |
1086 | geant->Gcphys()->sumlif = t / p.Beta() / p.Gamma(); | |
1087 | } |