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