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