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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 | ||
5d12ce38 | 24 | #include <TBrowser.h> |
25 | #include <TStopwatch.h> | |
26 | #include <TSystem.h> | |
27 | #include <TVirtualMC.h> | |
28 | ||
29 | #include "AliDetector.h" | |
30 | #include "AliGenerator.h" | |
31 | #include "AliHeader.h" | |
32 | #include "AliLego.h" | |
33 | #include "AliMC.h" | |
34 | #include "AliMCQA.h" | |
35 | #include "AliRun.h" | |
36 | #include "AliStack.h" | |
37 | #include "AliTrackReference.h" | |
38 | ||
39 | ||
40 | ClassImp(AliMC) | |
41 | ||
42 | //_______________________________________________________________________ | |
43 | AliMC::AliMC() : | |
44 | fGenerator(0), | |
45 | fEventEnergy(0), | |
46 | fSummEnergy(0), | |
47 | fSum2Energy(0), | |
48 | fTrRmax(1.e10), | |
49 | fTrZmax(1.e10), | |
c2eea27a | 50 | fDebug(0), |
5d12ce38 | 51 | fImedia(0), |
52 | fTransParName("\0"), | |
53 | fMCQA(0), | |
54 | fHitLists(0), | |
55 | fTrackReferences(0) | |
56 | ||
57 | { | |
d0d4a6b3 | 58 | //default constructor |
5d12ce38 | 59 | } |
60 | ||
61 | //_______________________________________________________________________ | |
62 | AliMC::AliMC(const char *name, const char *title) : | |
63 | TVirtualMCApplication(name, title), | |
64 | fGenerator(0), | |
65 | fEventEnergy(0), | |
66 | fSummEnergy(0), | |
67 | fSum2Energy(0), | |
68 | fTrRmax(1.e10), | |
69 | fTrZmax(1.e10), | |
c2eea27a | 70 | fDebug(0), |
5d12ce38 | 71 | fImedia(new TArrayI(1000)), |
72 | fTransParName("\0"), | |
73 | fMCQA(0), | |
74 | fHitLists(new TList()), | |
75 | fTrackReferences(new TClonesArray("AliTrackReference", 100)) | |
76 | { | |
d0d4a6b3 | 77 | //constructor |
5d12ce38 | 78 | // Set transport parameters |
79 | SetTransPar(); | |
80 | ||
81 | // Prepare the tracking medium lists | |
82 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
83 | ||
84 | } | |
85 | ||
86 | //_______________________________________________________________________ | |
87 | AliMC::AliMC(const AliMC &mc) : | |
88 | TVirtualMCApplication(mc), | |
89 | fGenerator(0), | |
90 | fEventEnergy(0), | |
91 | fSummEnergy(0), | |
92 | fSum2Energy(0), | |
93 | fTrRmax(1.e10), | |
94 | fTrZmax(1.e10), | |
c2eea27a | 95 | fDebug(0), |
5d12ce38 | 96 | fImedia(0), |
97 | fTransParName("\0"), | |
98 | fMCQA(0), | |
99 | fHitLists(0), | |
100 | fTrackReferences(0) | |
101 | { | |
102 | // | |
103 | // Copy constructor for AliRun | |
104 | // | |
105 | mc.Copy(*this); | |
106 | } | |
107 | ||
108 | //_______________________________________________________________________ | |
109 | AliMC::~AliMC() | |
110 | { | |
d0d4a6b3 | 111 | //destructor |
5d12ce38 | 112 | delete fGenerator; |
113 | delete fImedia; | |
114 | delete fMCQA; | |
115 | delete fHitLists; | |
116 | // Delete track references | |
117 | if (fTrackReferences) { | |
118 | fTrackReferences->Delete(); | |
119 | delete fTrackReferences; | |
120 | fTrackReferences = 0; | |
121 | } | |
122 | ||
123 | } | |
124 | ||
125 | //_______________________________________________________________________ | |
6c4904c2 | 126 | void AliMC::Copy(TObject &) const |
5d12ce38 | 127 | { |
d0d4a6b3 | 128 | //dummy Copy function |
5d12ce38 | 129 | Fatal("Copy","Not implemented!\n"); |
130 | } | |
131 | ||
132 | //_______________________________________________________________________ | |
133 | void AliMC::ConstructGeometry() | |
134 | { | |
135 | // | |
136 | // Create modules, materials, geometry | |
137 | // | |
138 | ||
139 | TStopwatch stw; | |
140 | TIter next(gAlice->Modules()); | |
141 | AliModule *detector; | |
142 | if (GetDebug()) Info("ConstructGeometry","Geometry creation:"); | |
143 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
144 | stw.Start(); | |
145 | // Initialise detector materials and geometry | |
146 | detector->CreateMaterials(); | |
147 | detector->CreateGeometry(); | |
148 | printf("%10s R:%.2fs C:%.2fs\n", | |
149 | detector->GetName(),stw.RealTime(),stw.CpuTime()); | |
150 | } | |
151 | } | |
152 | ||
153 | //_______________________________________________________________________ | |
154 | void AliMC::InitGeometry() | |
155 | { | |
156 | // | |
157 | // Initialize detectors and display geometry | |
158 | // | |
159 | ||
160 | printf("Initialisation:\n"); | |
161 | TStopwatch stw; | |
162 | TIter next(gAlice->Modules()); | |
163 | AliModule *detector; | |
164 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
165 | stw.Start(); | |
166 | // Initialise detector and display geometry | |
167 | detector->Init(); | |
168 | detector->BuildGeometry(); | |
169 | printf("%10s R:%.2fs C:%.2fs\n", | |
170 | detector->GetName(),stw.RealTime(),stw.CpuTime()); | |
171 | } | |
172 | ||
173 | } | |
174 | ||
175 | //_______________________________________________________________________ | |
2057aecb | 176 | void AliMC::GeneratePrimaries() |
5d12ce38 | 177 | { |
178 | // | |
179 | // Generate primary particles and fill them in the stack. | |
180 | // | |
181 | ||
182 | Generator()->Generate(); | |
183 | } | |
184 | ||
185 | //_______________________________________________________________________ | |
186 | void AliMC::SetGenerator(AliGenerator *generator) | |
187 | { | |
188 | // | |
189 | // Load the event generator | |
190 | // | |
191 | if(!fGenerator) fGenerator = generator; | |
192 | } | |
193 | ||
194 | //_______________________________________________________________________ | |
195 | void AliMC::ResetGenerator(AliGenerator *generator) | |
196 | { | |
197 | // | |
198 | // Load the event generator | |
199 | // | |
200 | if(fGenerator) | |
201 | if(generator) | |
202 | Warning("ResetGenerator","Replacing generator %s with %s\n", | |
203 | fGenerator->GetName(),generator->GetName()); | |
204 | else | |
205 | Warning("ResetGenerator","Replacing generator %s with NULL\n", | |
206 | fGenerator->GetName()); | |
207 | fGenerator = generator; | |
208 | } | |
209 | ||
210 | //_______________________________________________________________________ | |
211 | void AliMC::FinishRun() | |
212 | { | |
213 | // Clean generator information | |
214 | if (GetDebug()) Info("FinishRun"," fGenerator->FinishRun()"); | |
215 | fGenerator->FinishRun(); | |
216 | ||
217 | //Output energy summary tables | |
32ac63db | 218 | if (GetDebug()) { |
219 | Info("FinishRun"," EnergySummary()"); | |
220 | EnergySummary(); | |
221 | } | |
5d12ce38 | 222 | |
223 | } | |
224 | ||
225 | //_______________________________________________________________________ | |
226 | void AliMC::BeginPrimary() | |
227 | { | |
228 | // | |
229 | // Called at the beginning of each primary track | |
230 | // | |
231 | ||
232 | // Reset Hits info | |
233 | ResetHits(); | |
234 | ResetTrackReferences(); | |
235 | ||
236 | } | |
237 | ||
238 | //_______________________________________________________________________ | |
239 | void AliMC::PreTrack() | |
240 | { | |
d0d4a6b3 | 241 | // Actions before the track's transport |
5d12ce38 | 242 | TObjArray &dets = *gAlice->Modules(); |
243 | AliModule *module; | |
244 | ||
245 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
246 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
247 | module->PreTrack(); | |
248 | ||
249 | fMCQA->PreTrack(); | |
250 | } | |
251 | ||
252 | //_______________________________________________________________________ | |
253 | void AliMC::Stepping() | |
254 | { | |
255 | // | |
256 | // Called at every step during transport | |
257 | // | |
258 | ||
259 | Int_t id = DetFromMate(gMC->GetMedium()); | |
260 | if (id < 0) return; | |
261 | ||
262 | // | |
263 | // --- If lego option, do it and leave | |
264 | if (gAlice->Lego()) | |
265 | gAlice->Lego()->StepManager(); | |
266 | else { | |
267 | Int_t copy; | |
268 | //Update energy deposition tables | |
269 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 270 | // |
271 | // write tracke reference for track which is dissapearing - MI | |
272 | if (gMC->IsTrackDisappeared()) { | |
273 | if (gMC->Etot()>0.05) AddTrackReference(GetCurrentTrackNumber()); | |
274 | } | |
5d12ce38 | 275 | |
276 | //Call the appropriate stepping routine; | |
277 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
278 | if(det && det->StepManagerIsEnabled()) { | |
279 | fMCQA->StepManager(id); | |
280 | det->StepManager(); | |
281 | } | |
282 | } | |
283 | } | |
284 | ||
285 | //_______________________________________________________________________ | |
286 | void AliMC::EnergySummary() | |
287 | { | |
288 | // | |
289 | // Print summary of deposited energy | |
290 | // | |
291 | ||
292 | Int_t ndep=0; | |
293 | Float_t edtot=0; | |
294 | Float_t ed, ed2; | |
295 | Int_t kn, i, left, j, id; | |
296 | const Float_t kzero=0; | |
297 | Int_t ievent=gAlice->GetRunLoader()->GetHeader()->GetEvent()+1; | |
298 | // | |
299 | // Energy loss information | |
300 | if(ievent) { | |
301 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
302 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
303 | ed=fSummEnergy[kn]; | |
304 | if(ed>0) { | |
305 | fEventEnergy[ndep]=kn; | |
306 | if(ievent>1) { | |
307 | ed=ed/ievent; | |
308 | ed2=fSum2Energy[kn]; | |
309 | ed2=ed2/ievent; | |
310 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
311 | } else | |
312 | ed2=99; | |
313 | fSummEnergy[ndep]=ed; | |
314 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
315 | edtot+=ed; | |
316 | ndep++; | |
317 | } | |
318 | } | |
319 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
320 | left=ndep-kn*3; | |
321 | for(i=0;i<(3<left?3:left);i++) { | |
322 | j=kn*3+i; | |
323 | id=Int_t (fEventEnergy[j]+0.1); | |
324 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
325 | } | |
326 | printf("\n"); | |
327 | } | |
328 | // | |
329 | // Relative energy loss in different detectors | |
330 | printf("******************** Relative Energy Loss per event ********************\n"); | |
331 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
332 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
333 | left=ndep-kn*5; | |
334 | for(i=0;i<(5<left?5:left);i++) { | |
335 | j=kn*5+i; | |
336 | id=Int_t (fEventEnergy[j]+0.1); | |
337 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
338 | } | |
339 | printf("\n"); | |
340 | } | |
341 | for(kn=0;kn<75;kn++) printf("*"); | |
342 | printf("\n"); | |
343 | } | |
344 | // | |
345 | // Reset the TArray's | |
346 | // fEventEnergy.Set(0); | |
347 | // fSummEnergy.Set(0); | |
348 | // fSum2Energy.Set(0); | |
349 | } | |
350 | ||
351 | //_____________________________________________________________________________ | |
352 | void AliMC::BeginEvent() | |
353 | { | |
354 | // | |
355 | // Clean-up previous event | |
356 | // Energy scores | |
357 | if (GetDebug()) | |
358 | { | |
359 | Info("BeginEvent",">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
360 | Info("BeginEvent",">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
361 | Info("BeginEvent",">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
362 | Info("BeginEvent"," BEGINNING EVENT "); | |
363 | Info("BeginEvent",">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
364 | Info("BeginEvent",">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
365 | Info("BeginEvent",">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
366 | } | |
367 | ||
368 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
369 | ||
370 | /*******************************/ | |
371 | /* Clean after eventual */ | |
372 | /* previous event */ | |
373 | /*******************************/ | |
374 | ||
375 | ||
376 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
377 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
378 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
379 | if (GetDebug()) Info("BeginEvent","EventNr is %d",gAlice->GetEventNrInRun()); | |
380 | ||
381 | fEventEnergy.Reset(); | |
382 | // Clean detector information | |
383 | ||
384 | if (runloader->Stack()) | |
385 | runloader->Stack()->Reset();//clean stack -> tree is unloaded | |
386 | else | |
387 | runloader->MakeStack();//or make a new one | |
504b172d | 388 | |
389 | if(gAlice->Lego() == 0x0) | |
390 | { | |
391 | if (GetDebug()) Info("BeginEvent"," fRunLoader->MakeTree(K)"); | |
392 | runloader->MakeTree("K"); | |
393 | } | |
394 | ||
5d12ce38 | 395 | if (GetDebug()) Info("BeginEvent"," gMC->SetStack(fRunLoader->Stack())"); |
396 | gMC->SetStack(gAlice->GetRunLoader()->Stack());//Was in InitMC - but was moved here | |
397 | //because we don't have guarantee that | |
398 | //stack pointer is not going to change from event to event | |
399 | //since it bellobgs to header and is obtained via RunLoader | |
400 | // | |
401 | // Reset all Detectors & kinematics & make/reset trees | |
402 | // | |
403 | ||
404 | runloader->GetHeader()->Reset(gAlice->GetRunNumber(),gAlice->GetEvNumber(), | |
405 | gAlice->GetEventNrInRun()); | |
406 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so | |
407 | ||
504b172d | 408 | if(gAlice->Lego()) |
409 | { | |
410 | gAlice->Lego()->BeginEvent(); | |
411 | return; | |
412 | } | |
413 | ||
5d12ce38 | 414 | |
415 | if (GetDebug()) Info("BeginEvent"," ResetHits()"); | |
416 | ResetHits(); | |
504b172d | 417 | |
5d12ce38 | 418 | if (GetDebug()) Info("BeginEvent"," fRunLoader->MakeTree(H)"); |
419 | runloader->MakeTree("H"); | |
504b172d | 420 | |
421 | if (GetDebug()) Info("BeginEvent"," fRunLoader->MakeTrackRefsContainer()"); | |
422 | runloader->MakeTrackRefsContainer();//for insurance | |
5d12ce38 | 423 | |
5d12ce38 | 424 | |
425 | //create new branches and SetAdresses | |
426 | TIter next(gAlice->Modules()); | |
427 | AliModule *detector; | |
428 | while((detector = (AliModule*)next())) | |
429 | { | |
430 | if (GetDebug()) Info("BeginEvent"," %s->MakeBranch(H)",detector->GetName()); | |
431 | detector->MakeBranch("H"); | |
432 | if (GetDebug()) Info("BeginEvent"," %s->MakeBranchTR()",detector->GetName()); | |
433 | detector->MakeBranchTR(); | |
434 | if (GetDebug()) Info("BeginEvent"," %s->SetTreeAddress()",detector->GetName()); | |
435 | detector->SetTreeAddress(); | |
436 | } | |
ab03c084 | 437 | // make branch for AliRun track References |
438 | TTree * treeTR = runloader->TreeTR(); | |
439 | if (treeTR){ | |
440 | // make branch for central track references | |
441 | if (!fTrackReferences) fTrackReferences = new TClonesArray("AliTrackReference",0); | |
442 | TBranch *branch; | |
443 | branch = treeTR->Branch("AliRun",&fTrackReferences); | |
444 | branch->SetAddress(&fTrackReferences); | |
445 | } | |
446 | // | |
5d12ce38 | 447 | } |
448 | ||
449 | //_______________________________________________________________________ | |
450 | void AliMC::ResetHits() | |
451 | { | |
452 | // | |
453 | // Reset all Detectors hits | |
454 | // | |
455 | TIter next(gAlice->Modules()); | |
456 | AliModule *detector; | |
457 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
458 | detector->ResetHits(); | |
459 | } | |
460 | } | |
461 | ||
462 | //_______________________________________________________________________ | |
463 | void AliMC::PostTrack() | |
464 | { | |
d0d4a6b3 | 465 | // Posts tracks for each module |
5d12ce38 | 466 | TObjArray &dets = *gAlice->Modules(); |
467 | AliModule *module; | |
468 | ||
469 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
470 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
471 | module->PostTrack(); | |
472 | } | |
473 | ||
474 | //_______________________________________________________________________ | |
475 | void AliMC::FinishPrimary() | |
476 | { | |
477 | // | |
478 | // Called at the end of each primary track | |
479 | // | |
480 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
481 | // static Int_t count=0; | |
482 | // const Int_t times=10; | |
483 | // This primary is finished, purify stack | |
484 | runloader->Stack()->PurifyKine(); | |
504b172d | 485 | |
5d12ce38 | 486 | TIter next(gAlice->Modules()); |
487 | AliModule *detector; | |
488 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
489 | detector->FinishPrimary(); | |
504b172d | 490 | AliLoader* loader = detector->GetLoader(); |
491 | if(loader) | |
492 | { | |
493 | TTree* treeH = loader->TreeH(); | |
494 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
495 | } | |
5d12ce38 | 496 | } |
497 | ||
498 | // Write out track references if any | |
499 | if (runloader->TreeTR()) runloader->TreeTR()->Fill(); | |
500 | } | |
501 | ||
502 | //_______________________________________________________________________ | |
503 | void AliMC::FinishEvent() | |
504 | { | |
505 | // | |
506 | // Called at the end of the event. | |
507 | // | |
508 | ||
509 | // | |
510 | if(gAlice->Lego()) gAlice->Lego()->FinishEvent(); | |
511 | ||
512 | TIter next(gAlice->Modules()); | |
513 | AliModule *detector; | |
514 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
515 | detector->FinishEvent(); | |
516 | } | |
517 | ||
518 | //Update the energy deposit tables | |
519 | Int_t i; | |
520 | for(i=0;i<fEventEnergy.GetSize();i++) | |
521 | { | |
522 | fSummEnergy[i]+=fEventEnergy[i]; | |
523 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
524 | } | |
525 | ||
526 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
527 | ||
528 | AliHeader* header = runloader->GetHeader(); | |
529 | AliStack* stack = runloader->Stack(); | |
530 | if ( (header == 0x0) || (stack == 0x0) ) | |
531 | {//check if we got header and stack. If not cry and exit aliroot | |
532 | Fatal("AliRun","Can not get the stack or header from LOADER"); | |
533 | return;//never reached | |
534 | } | |
535 | // Update Header information | |
536 | header->SetNprimary(stack->GetNprimary()); | |
537 | header->SetNtrack(stack->GetNtrack()); | |
538 | ||
539 | ||
540 | // Write out the kinematics | |
541 | stack->FinishEvent(); | |
542 | ||
543 | // Write out the event Header information | |
544 | TTree* treeE = runloader->TreeE(); | |
545 | if (treeE) | |
546 | { | |
547 | header->SetStack(stack); | |
548 | treeE->Fill(); | |
549 | } | |
550 | else | |
551 | { | |
552 | Error("FinishEvent","Can not get TreeE from RL"); | |
553 | } | |
554 | ||
504b172d | 555 | if(gAlice->Lego() == 0x0) |
556 | { | |
557 | runloader->WriteKinematics("OVERWRITE"); | |
558 | runloader->WriteTrackRefs("OVERWRITE"); | |
559 | runloader->WriteHits("OVERWRITE"); | |
560 | } | |
561 | ||
5d12ce38 | 562 | if (GetDebug()) |
563 | { | |
564 | Info("FinishEvent","<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
565 | Info("FinishEvent","<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
566 | Info("FinishEvent","<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
567 | Info("FinishEvent"," FINISHING EVENT "); | |
568 | Info("FinishEvent","<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
569 | Info("FinishEvent","<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
570 | Info("FinishEvent","<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
571 | } | |
572 | } | |
573 | ||
574 | //_______________________________________________________________________ | |
575 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
576 | { | |
d0d4a6b3 | 577 | // Calculates field "b" at point "x" |
5d12ce38 | 578 | gAlice->Field(x,b); |
579 | } | |
580 | ||
581 | //_______________________________________________________________________ | |
582 | void AliMC::Init() | |
583 | { | |
d0d4a6b3 | 584 | // MC initialization |
5d12ce38 | 585 | |
586 | //=================Create Materials and geometry | |
587 | gMC->Init(); | |
5d12ce38 | 588 | //Read the cuts for all materials |
589 | ReadTransPar(); | |
590 | //Build the special IMEDIA table | |
591 | MediaTable(); | |
592 | ||
593 | //Compute cross-sections | |
594 | gMC->BuildPhysics(); | |
595 | ||
596 | //Write Geometry object to current file. | |
597 | gAlice->GetRunLoader()->WriteGeometry(); | |
598 | ||
599 | //Initialise geometry deposition table | |
600 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
601 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
602 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
603 | ||
604 | // | |
605 | fMCQA = new AliMCQA(gAlice->GetNdets()); | |
606 | ||
607 | // Register MC in configuration | |
608 | AliConfig::Instance()->Add(gMC); | |
609 | ||
610 | } | |
611 | ||
612 | //_______________________________________________________________________ | |
613 | void AliMC::MediaTable() | |
614 | { | |
615 | // | |
616 | // Built media table to get from the media number to | |
617 | // the detector id | |
618 | // | |
619 | ||
620 | Int_t kz, nz, idt, lz, i, k, ind; | |
621 | // Int_t ibeg; | |
622 | TObjArray &dets = *gAlice->Detectors(); | |
623 | AliModule *det; | |
624 | Int_t ndets=gAlice->GetNdets(); | |
625 | // | |
626 | // For all detectors | |
627 | for (kz=0;kz<ndets;kz++) { | |
628 | // If detector is defined | |
629 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
630 | TArrayI &idtmed = *(det->GetIdtmed()); | |
631 | for(nz=0;nz<100;nz++) { | |
632 | // Find max and min material number | |
633 | if((idt=idtmed[nz])) { | |
634 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
635 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
636 | } | |
637 | } | |
638 | if(det->LoMedium() > det->HiMedium()) { | |
639 | det->LoMedium() = 0; | |
640 | det->HiMedium() = 0; | |
641 | } else { | |
642 | if(det->HiMedium() > fImedia->GetSize()) { | |
643 | Error("MediaTable","Increase fImedia from %d to %d", | |
644 | fImedia->GetSize(),det->HiMedium()); | |
645 | return; | |
646 | } | |
647 | // Tag all materials in rage as belonging to detector kz | |
648 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
649 | (*fImedia)[lz]=kz; | |
650 | } | |
651 | } | |
652 | } | |
653 | } | |
654 | // | |
655 | // Print summary table | |
656 | printf(" Traking media ranges:\n"); | |
657 | for(i=0;i<(ndets-1)/6+1;i++) { | |
658 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
659 | ind=i*6+k; | |
660 | det=dynamic_cast<AliModule*>(dets[ind]); | |
661 | if(det) | |
662 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
663 | det->HiMedium()); | |
664 | else | |
665 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
666 | } | |
667 | printf("\n"); | |
668 | } | |
669 | } | |
670 | ||
671 | //_______________________________________________________________________ | |
672 | void AliMC::ReadTransPar() | |
673 | { | |
674 | // | |
675 | // Read filename to set the transport parameters | |
676 | // | |
677 | ||
678 | ||
679 | const Int_t kncuts=10; | |
680 | const Int_t knflags=11; | |
681 | const Int_t knpars=kncuts+knflags; | |
682 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
683 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
684 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
685 | "MULS","PAIR","PHOT","RAYL"}; | |
686 | char line[256]; | |
687 | char detName[7]; | |
688 | char* filtmp; | |
689 | Float_t cut[kncuts]; | |
690 | Int_t flag[knflags]; | |
691 | Int_t i, itmed, iret, ktmed, kz; | |
692 | FILE *lun; | |
693 | // | |
694 | // See whether the file is there | |
695 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
696 | lun=fopen(filtmp,"r"); | |
697 | delete [] filtmp; | |
698 | if(!lun) { | |
699 | Warning("ReadTransPar","File %s does not exist!\n",fTransParName.Data()); | |
700 | return; | |
701 | } | |
702 | // | |
703 | if(fDebug) { | |
704 | printf(" "); for(i=0;i<60;i++) printf("*"); printf("\n"); | |
705 | printf(" *%59s\n","*"); | |
706 | printf(" * Please check carefully what you are doing!%10s\n","*"); | |
707 | printf(" *%59s\n","*"); | |
708 | } | |
709 | // | |
710 | while(1) { | |
711 | // Initialise cuts and flags | |
712 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
713 | for(i=0;i<knflags;i++) flag[i]=-99; | |
714 | itmed=0; | |
715 | for(i=0;i<256;i++) line[i]='\0'; | |
716 | // Read up to the end of line excluded | |
717 | iret=fscanf(lun,"%[^\n]",line); | |
718 | if(iret<0) { | |
719 | //End of file | |
720 | fclose(lun); | |
721 | if(fDebug){ | |
722 | printf(" *%59s\n","*"); | |
723 | printf(" "); for(i=0;i<60;i++) printf("*"); printf("\n"); | |
724 | } | |
725 | return; | |
726 | } | |
727 | // Read the end of line | |
728 | fscanf(lun,"%*c"); | |
729 | if(!iret) continue; | |
730 | if(line[0]=='*') continue; | |
731 | // Read the numbers | |
732 | 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", | |
733 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
734 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
735 | &flag[8],&flag[9],&flag[10]); | |
736 | if(!iret) continue; | |
737 | if(iret<0) { | |
738 | //reading error | |
739 | Warning("ReadTransPar","Error reading file %s\n",fTransParName.Data()); | |
740 | continue; | |
741 | } | |
742 | // Check that the module exist | |
743 | AliModule *mod = gAlice->GetModule(detName); | |
744 | if(mod) { | |
745 | // Get the array of media numbers | |
746 | TArrayI &idtmed = *mod->GetIdtmed(); | |
747 | // Check that the tracking medium code is valid | |
748 | if(0<=itmed && itmed < 100) { | |
749 | ktmed=idtmed[itmed]; | |
750 | if(!ktmed) { | |
751 | Warning("ReadTransPar","Invalid tracking medium code %d for %s\n",itmed,mod->GetName()); | |
752 | continue; | |
753 | } | |
754 | // Set energy thresholds | |
755 | for(kz=0;kz<kncuts;kz++) { | |
756 | if(cut[kz]>=0) { | |
757 | if(fDebug) printf(" * %-6s set to %10.3E for tracking medium code %4d for %s\n", | |
758 | kpars[kz],cut[kz],itmed,mod->GetName()); | |
759 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); | |
760 | } | |
761 | } | |
762 | // Set transport mechanisms | |
763 | for(kz=0;kz<knflags;kz++) { | |
764 | if(flag[kz]>=0) { | |
765 | if(fDebug) printf(" * %-6s set to %10d for tracking medium code %4d for %s\n", | |
766 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName()); | |
767 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); | |
768 | } | |
769 | } | |
770 | } else { | |
771 | Warning("ReadTransPar","Invalid medium code %d *\n",itmed); | |
772 | continue; | |
773 | } | |
774 | } else { | |
775 | if(fDebug) printf("%s::ReadTransParModule: %s not present\n",ClassName(),detName); | |
776 | continue; | |
777 | } | |
778 | } | |
779 | } | |
780 | ||
781 | //_______________________________________________________________________ | |
782 | void AliMC::SetTransPar(const char *filename) | |
783 | { | |
784 | // | |
785 | // Sets the file name for transport parameters | |
786 | // | |
787 | fTransParName = filename; | |
788 | } | |
789 | ||
790 | //_______________________________________________________________________ | |
2057aecb | 791 | void AliMC::Browse(TBrowser *b) const |
5d12ce38 | 792 | { |
793 | // | |
794 | // Called when the item "Run" is clicked on the left pane | |
795 | // of the Root browser. | |
796 | // It displays the Root Trees and all detectors. | |
797 | // | |
798 | //detectors are in folders anyway | |
799 | b->Add(fMCQA,"AliMCQA"); | |
800 | } | |
801 | ||
802 | //PH | |
803 | //_______________________________________________________________________ | |
804 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
805 | { | |
806 | // | |
807 | // Add a hit to detector id | |
808 | // | |
809 | TObjArray &dets = *gAlice->Modules(); | |
810 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
811 | } | |
812 | ||
813 | //_______________________________________________________________________ | |
814 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
815 | { | |
816 | // | |
817 | // Add digit to detector id | |
818 | // | |
819 | TObjArray &dets = *gAlice->Modules(); | |
820 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
821 | } | |
822 | ||
823 | //_______________________________________________________________________ | |
824 | Int_t AliMC::GetCurrentTrackNumber() const { | |
825 | // | |
826 | // Returns current track | |
827 | // | |
828 | return gAlice->GetRunLoader()->Stack()->GetCurrentTrackNumber(); | |
829 | } | |
830 | ||
831 | //_______________________________________________________________________ | |
832 | void AliMC::DumpPart (Int_t i) const | |
833 | { | |
834 | // | |
835 | // Dumps particle i in the stack | |
836 | // | |
837 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
838 | if (runloader->Stack()) | |
839 | runloader->Stack()->DumpPart(i); | |
840 | } | |
841 | ||
842 | //_______________________________________________________________________ | |
843 | void AliMC::DumpPStack () const | |
844 | { | |
845 | // | |
846 | // Dumps the particle stack | |
847 | // | |
848 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
849 | if (runloader->Stack()) | |
850 | runloader->Stack()->DumpPStack(); | |
851 | } | |
852 | ||
853 | //_______________________________________________________________________ | |
854 | Int_t AliMC::GetNtrack() const { | |
855 | // | |
856 | // Returns number of tracks in stack | |
857 | // | |
858 | Int_t ntracks = -1; | |
859 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
860 | if (runloader->Stack()) | |
861 | ntracks = runloader->Stack()->GetNtrack(); | |
862 | return ntracks; | |
863 | } | |
864 | ||
865 | //_______________________________________________________________________ | |
866 | Int_t AliMC::GetPrimary(Int_t track) const | |
867 | { | |
868 | // | |
869 | // return number of primary that has generated track | |
870 | // | |
871 | Int_t nprimary = -999; | |
872 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
873 | if (runloader->Stack()) | |
874 | nprimary = runloader->Stack()->GetPrimary(track); | |
875 | return nprimary; | |
876 | } | |
877 | ||
878 | //_______________________________________________________________________ | |
879 | TParticle* AliMC::Particle(Int_t i) const | |
880 | { | |
d0d4a6b3 | 881 | // Returns the i-th particle from the stack taking into account |
882 | // the remaping done by PurifyKine | |
5d12ce38 | 883 | AliRunLoader * runloader = gAlice->GetRunLoader(); |
884 | if (runloader) | |
885 | if (runloader->Stack()) | |
886 | return runloader->Stack()->Particle(i); | |
887 | return 0x0; | |
888 | } | |
889 | ||
890 | //_______________________________________________________________________ | |
891 | TObjArray* AliMC::Particles() const { | |
892 | // | |
893 | // Returns pointer to Particles array | |
894 | // | |
895 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
896 | if (runloader) | |
897 | if (runloader->Stack()) | |
898 | return runloader->Stack()->Particles(); | |
899 | return 0x0; | |
900 | } | |
901 | ||
902 | //_______________________________________________________________________ | |
903 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
904 | Float_t *vpos, Float_t *polar, Float_t tof, | |
2057aecb | 905 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 906 | { |
907 | // Delegate to stack | |
908 | // | |
909 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
910 | if (runloader) | |
911 | if (runloader->Stack()) | |
912 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
913 | mech, ntr, weight, is); | |
914 | } | |
915 | ||
916 | //_______________________________________________________________________ | |
917 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
918 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
919 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
920 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 921 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 922 | { |
923 | // Delegate to stack | |
924 | // | |
925 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
926 | if (runloader) | |
927 | if (runloader->Stack()) | |
928 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
929 | polx, poly, polz, mech, ntr, weight, is); | |
930 | } | |
931 | ||
932 | //_______________________________________________________________________ | |
2057aecb | 933 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 934 | { |
935 | // | |
936 | // Set high water mark for last track in event | |
937 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
938 | if (runloader) | |
939 | if (runloader->Stack()) | |
940 | runloader->Stack()->SetHighWaterMark(nt); | |
941 | } | |
942 | ||
943 | //_______________________________________________________________________ | |
2057aecb | 944 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 945 | { |
946 | // | |
947 | // Delegate to stack | |
948 | // | |
949 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
950 | if (runloader) | |
951 | if (runloader->Stack()) | |
952 | runloader->Stack()->KeepTrack(track); | |
953 | } | |
954 | ||
955 | //_______________________________________________________________________ | |
2057aecb | 956 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 957 | { |
958 | // Delegate to stack | |
959 | // | |
960 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
961 | if (runloader) | |
962 | if (runloader->Stack()) | |
963 | runloader->Stack()->FlagTrack(track); | |
964 | } | |
965 | ||
966 | //_______________________________________________________________________ | |
2057aecb | 967 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 968 | { |
969 | // | |
970 | // Set current track number | |
971 | // | |
972 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
973 | if (runloader) | |
974 | if (runloader->Stack()) | |
975 | runloader->Stack()->SetCurrentTrack(track); | |
976 | } | |
977 | ||
978 | //_______________________________________________________________________ | |
979 | void AliMC::AddTrackReference(Int_t label){ | |
980 | // | |
981 | // add a trackrefernce to the list | |
982 | if (!fTrackReferences) { | |
983 | cerr<<"Container trackrefernce not active\n"; | |
984 | return; | |
985 | } | |
986 | Int_t nref = fTrackReferences->GetEntriesFast(); | |
987 | TClonesArray &lref = *fTrackReferences; | |
988 | new(lref[nref]) AliTrackReference(label); | |
989 | } | |
990 | ||
991 | ||
992 | ||
993 | //_______________________________________________________________________ | |
994 | void AliMC::ResetTrackReferences() | |
995 | { | |
996 | // | |
997 | // Reset all references | |
998 | // | |
999 | if (fTrackReferences) fTrackReferences->Clear(); | |
1000 | ||
1001 | TIter next(gAlice->Modules()); | |
1002 | AliModule *detector; | |
1003 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
1004 | detector->ResetTrackReferences(); | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1009 | { | |
1010 | // | |
1011 | // Remapping track reference | |
1012 | // Called at finish primary | |
1013 | // | |
1014 | if (!fTrackReferences) return; | |
1015 | for (Int_t i=0;i<fTrackReferences->GetEntries();i++){ | |
1016 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTrackReferences->UncheckedAt(i)); | |
1017 | if (ref) { | |
1018 | Int_t newID = map[ref->GetTrack()]; | |
1019 | if (newID>=0) ref->SetTrack(newID); | |
1020 | else { | |
1021 | //ref->SetTrack(-1); | |
1022 | ref->SetBit(kNotDeleted,kFALSE); | |
1023 | fTrackReferences->RemoveAt(i); | |
1024 | } | |
1025 | } | |
1026 | } | |
1027 | fTrackReferences->Compress(); | |
1028 | } |