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