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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> | |
4a9de4af | 29 | #include <TGeoManager.h> |
0561efeb | 30 | |
b60e0f5e | 31 | |
21bf7095 | 32 | #include "AliLog.h" |
5d12ce38 | 33 | #include "AliDetector.h" |
34 | #include "AliGenerator.h" | |
35 | #include "AliHeader.h" | |
36 | #include "AliLego.h" | |
37 | #include "AliMC.h" | |
38 | #include "AliMCQA.h" | |
39 | #include "AliRun.h" | |
40 | #include "AliStack.h" | |
0561efeb | 41 | #include "AliMagF.h" |
5d12ce38 | 42 | #include "AliTrackReference.h" |
43 | ||
44 | ||
45 | ClassImp(AliMC) | |
46 | ||
47 | //_______________________________________________________________________ | |
48 | AliMC::AliMC() : | |
49 | fGenerator(0), | |
50 | fEventEnergy(0), | |
51 | fSummEnergy(0), | |
52 | fSum2Energy(0), | |
53 | fTrRmax(1.e10), | |
54 | fTrZmax(1.e10), | |
90e48c0c | 55 | fRDecayMax(1.e10), |
56 | fRDecayMin(0), | |
57 | fDecayPdg(0), | |
5d12ce38 | 58 | fImedia(0), |
59 | fTransParName("\0"), | |
60 | fMCQA(0), | |
61 | fHitLists(0), | |
62 | fTrackReferences(0) | |
63 | ||
64 | { | |
d0d4a6b3 | 65 | //default constructor |
0561efeb | 66 | DecayLimits(); |
5d12ce38 | 67 | } |
68 | ||
69 | //_______________________________________________________________________ | |
70 | AliMC::AliMC(const char *name, const char *title) : | |
71 | TVirtualMCApplication(name, title), | |
72 | fGenerator(0), | |
73 | fEventEnergy(0), | |
74 | fSummEnergy(0), | |
75 | fSum2Energy(0), | |
76 | fTrRmax(1.e10), | |
77 | fTrZmax(1.e10), | |
90e48c0c | 78 | fRDecayMax(1.e10), |
79 | fRDecayMin(0), | |
80 | fDecayPdg(0), | |
5d12ce38 | 81 | fImedia(new TArrayI(1000)), |
82 | fTransParName("\0"), | |
83 | fMCQA(0), | |
84 | fHitLists(new TList()), | |
85 | fTrackReferences(new TClonesArray("AliTrackReference", 100)) | |
86 | { | |
d0d4a6b3 | 87 | //constructor |
5d12ce38 | 88 | // Set transport parameters |
89 | SetTransPar(); | |
0561efeb | 90 | DecayLimits(); |
5d12ce38 | 91 | // Prepare the tracking medium lists |
92 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 93 | } |
94 | ||
95 | //_______________________________________________________________________ | |
96 | AliMC::AliMC(const AliMC &mc) : | |
97 | TVirtualMCApplication(mc), | |
98 | fGenerator(0), | |
99 | fEventEnergy(0), | |
100 | fSummEnergy(0), | |
101 | fSum2Energy(0), | |
102 | fTrRmax(1.e10), | |
103 | fTrZmax(1.e10), | |
90e48c0c | 104 | fRDecayMax(1.e10), |
105 | fRDecayMin(0), | |
106 | fDecayPdg(0), | |
5d12ce38 | 107 | fImedia(0), |
108 | fTransParName("\0"), | |
109 | fMCQA(0), | |
110 | fHitLists(0), | |
111 | fTrackReferences(0) | |
112 | { | |
113 | // | |
90e48c0c | 114 | // Copy constructor for AliMC |
5d12ce38 | 115 | // |
116 | mc.Copy(*this); | |
117 | } | |
118 | ||
119 | //_______________________________________________________________________ | |
120 | AliMC::~AliMC() | |
121 | { | |
d0d4a6b3 | 122 | //destructor |
5d12ce38 | 123 | delete fGenerator; |
124 | delete fImedia; | |
125 | delete fMCQA; | |
126 | delete fHitLists; | |
127 | // Delete track references | |
128 | if (fTrackReferences) { | |
129 | fTrackReferences->Delete(); | |
130 | delete fTrackReferences; | |
131 | fTrackReferences = 0; | |
132 | } | |
133 | ||
134 | } | |
135 | ||
136 | //_______________________________________________________________________ | |
6c4904c2 | 137 | void AliMC::Copy(TObject &) const |
5d12ce38 | 138 | { |
d0d4a6b3 | 139 | //dummy Copy function |
21bf7095 | 140 | AliFatal("Not implemented!"); |
5d12ce38 | 141 | } |
142 | ||
143 | //_______________________________________________________________________ | |
144 | void AliMC::ConstructGeometry() | |
145 | { | |
146 | // | |
4a9de4af | 147 | // Either load geometry from file or create it through usual |
148 | // loop on detectors. In the first case the method | |
149 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
150 | // at InitGeometry(). | |
5d12ce38 | 151 | // |
152 | ||
4a9de4af | 153 | if(gAlice->IsRootGeometry()){ |
154 | // Load geometry | |
155 | const char *geomfilename = gAlice->GetGeometryFileName(); | |
156 | if(gSystem->ExpandPathName(geomfilename)){ | |
157 | AliInfo(Form("Loading geometry from file:\n %40s\n\n",geomfilename)); | |
158 | TGeoManager::Import(geomfilename); | |
159 | }else{ | |
160 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
161 | return; | |
162 | } | |
163 | }else{ | |
164 | // Create modules, materials, geometry | |
5d12ce38 | 165 | TStopwatch stw; |
166 | TIter next(gAlice->Modules()); | |
167 | AliModule *detector; | |
21bf7095 | 168 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 169 | while((detector = dynamic_cast<AliModule*>(next()))) { |
170 | stw.Start(); | |
171 | // Initialise detector materials and geometry | |
172 | detector->CreateMaterials(); | |
173 | detector->CreateGeometry(); | |
21bf7095 | 174 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
175 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 176 | } |
4a9de4af | 177 | } |
178 | ||
5d12ce38 | 179 | } |
180 | ||
181 | //_______________________________________________________________________ | |
182 | void AliMC::InitGeometry() | |
183 | { | |
184 | // | |
185 | // Initialize detectors and display geometry | |
186 | // | |
187 | ||
4a9de4af | 188 | AliInfo("Initialisation:"); |
189 | TStopwatch stw; | |
190 | TIter next(gAlice->Modules()); | |
191 | AliModule *detector; | |
192 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
193 | stw.Start(); | |
194 | // Initialise detector and display geometry | |
195 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); | |
196 | detector->Init(); | |
197 | detector->BuildGeometry(); | |
198 | AliInfo(Form("%10s R:%.2fs C:%.2fs", | |
199 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
200 | } | |
201 | ||
5d12ce38 | 202 | } |
203 | ||
204 | //_______________________________________________________________________ | |
2057aecb | 205 | void AliMC::GeneratePrimaries() |
5d12ce38 | 206 | { |
207 | // | |
208 | // Generate primary particles and fill them in the stack. | |
209 | // | |
210 | ||
211 | Generator()->Generate(); | |
212 | } | |
213 | ||
214 | //_______________________________________________________________________ | |
215 | void AliMC::SetGenerator(AliGenerator *generator) | |
216 | { | |
217 | // | |
218 | // Load the event generator | |
219 | // | |
220 | if(!fGenerator) fGenerator = generator; | |
221 | } | |
222 | ||
223 | //_______________________________________________________________________ | |
224 | void AliMC::ResetGenerator(AliGenerator *generator) | |
225 | { | |
226 | // | |
227 | // Load the event generator | |
228 | // | |
229 | if(fGenerator) | |
230 | if(generator) | |
21bf7095 | 231 | AliWarning(Form("Replacing generator %s with %s", |
232 | fGenerator->GetName(),generator->GetName())) | |
5d12ce38 | 233 | else |
21bf7095 | 234 | AliWarning(Form("Replacing generator %s with NULL", |
235 | fGenerator->GetName())); | |
5d12ce38 | 236 | fGenerator = generator; |
237 | } | |
238 | ||
239 | //_______________________________________________________________________ | |
240 | void AliMC::FinishRun() | |
241 | { | |
242 | // Clean generator information | |
21bf7095 | 243 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 244 | fGenerator->FinishRun(); |
245 | ||
246 | //Output energy summary tables | |
21bf7095 | 247 | AliDebug(1, "EnergySummary()"); |
248 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 249 | } |
250 | ||
251 | //_______________________________________________________________________ | |
252 | void AliMC::BeginPrimary() | |
253 | { | |
254 | // | |
255 | // Called at the beginning of each primary track | |
256 | // | |
257 | ||
258 | // Reset Hits info | |
259 | ResetHits(); | |
260 | ResetTrackReferences(); | |
261 | ||
262 | } | |
263 | ||
264 | //_______________________________________________________________________ | |
265 | void AliMC::PreTrack() | |
266 | { | |
d0d4a6b3 | 267 | // Actions before the track's transport |
5d12ce38 | 268 | TObjArray &dets = *gAlice->Modules(); |
269 | AliModule *module; | |
270 | ||
271 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
272 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
273 | module->PreTrack(); | |
274 | ||
275 | fMCQA->PreTrack(); | |
276 | } | |
277 | ||
278 | //_______________________________________________________________________ | |
279 | void AliMC::Stepping() | |
280 | { | |
281 | // | |
282 | // Called at every step during transport | |
283 | // | |
0561efeb | 284 | |
5d12ce38 | 285 | Int_t id = DetFromMate(gMC->GetMedium()); |
286 | if (id < 0) return; | |
287 | ||
0561efeb | 288 | |
289 | if ( gMC->IsNewTrack() && | |
290 | gMC->TrackTime() == 0. && | |
291 | fRDecayMin > 0. && | |
292 | fRDecayMax > fRDecayMin && | |
293 | gMC->TrackPid() == fDecayPdg ) | |
294 | { | |
295 | FixParticleDecaytime(); | |
296 | } | |
297 | ||
298 | ||
299 | ||
5d12ce38 | 300 | // |
301 | // --- If lego option, do it and leave | |
302 | if (gAlice->Lego()) | |
303 | gAlice->Lego()->StepManager(); | |
304 | else { | |
305 | Int_t copy; | |
306 | //Update energy deposition tables | |
307 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 308 | // |
309 | // write tracke reference for track which is dissapearing - MI | |
b60e0f5e | 310 | if (gMC->IsTrackDisappeared()) { |
311 | if (gMC->Etot()>0.05) AddTrackReference(GetCurrentTrackNumber()); | |
312 | } | |
5d12ce38 | 313 | |
314 | //Call the appropriate stepping routine; | |
315 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
316 | if(det && det->StepManagerIsEnabled()) { | |
317 | fMCQA->StepManager(id); | |
318 | det->StepManager(); | |
319 | } | |
320 | } | |
321 | } | |
322 | ||
323 | //_______________________________________________________________________ | |
324 | void AliMC::EnergySummary() | |
325 | { | |
326 | // | |
327 | // Print summary of deposited energy | |
328 | // | |
329 | ||
330 | Int_t ndep=0; | |
331 | Float_t edtot=0; | |
332 | Float_t ed, ed2; | |
333 | Int_t kn, i, left, j, id; | |
334 | const Float_t kzero=0; | |
335 | Int_t ievent=gAlice->GetRunLoader()->GetHeader()->GetEvent()+1; | |
336 | // | |
337 | // Energy loss information | |
338 | if(ievent) { | |
339 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
340 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
341 | ed=fSummEnergy[kn]; | |
342 | if(ed>0) { | |
343 | fEventEnergy[ndep]=kn; | |
344 | if(ievent>1) { | |
345 | ed=ed/ievent; | |
346 | ed2=fSum2Energy[kn]; | |
347 | ed2=ed2/ievent; | |
348 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
349 | } else | |
350 | ed2=99; | |
351 | fSummEnergy[ndep]=ed; | |
352 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
353 | edtot+=ed; | |
354 | ndep++; | |
355 | } | |
356 | } | |
357 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
358 | left=ndep-kn*3; | |
359 | for(i=0;i<(3<left?3:left);i++) { | |
360 | j=kn*3+i; | |
361 | id=Int_t (fEventEnergy[j]+0.1); | |
362 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
363 | } | |
364 | printf("\n"); | |
365 | } | |
366 | // | |
367 | // Relative energy loss in different detectors | |
368 | printf("******************** Relative Energy Loss per event ********************\n"); | |
369 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
370 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
371 | left=ndep-kn*5; | |
372 | for(i=0;i<(5<left?5:left);i++) { | |
373 | j=kn*5+i; | |
374 | id=Int_t (fEventEnergy[j]+0.1); | |
375 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
376 | } | |
377 | printf("\n"); | |
378 | } | |
379 | for(kn=0;kn<75;kn++) printf("*"); | |
380 | printf("\n"); | |
381 | } | |
382 | // | |
383 | // Reset the TArray's | |
384 | // fEventEnergy.Set(0); | |
385 | // fSummEnergy.Set(0); | |
386 | // fSum2Energy.Set(0); | |
387 | } | |
388 | ||
389 | //_____________________________________________________________________________ | |
390 | void AliMC::BeginEvent() | |
391 | { | |
392 | // | |
393 | // Clean-up previous event | |
394 | // Energy scores | |
21bf7095 | 395 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
396 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
397 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
398 | AliDebug(1, " BEGINNING EVENT "); | |
399 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
400 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
401 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 402 | |
403 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
404 | ||
405 | /*******************************/ | |
406 | /* Clean after eventual */ | |
407 | /* previous event */ | |
408 | /*******************************/ | |
409 | ||
410 | ||
411 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
412 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
413 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 414 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 415 | |
416 | fEventEnergy.Reset(); | |
417 | // Clean detector information | |
418 | ||
419 | if (runloader->Stack()) | |
420 | runloader->Stack()->Reset();//clean stack -> tree is unloaded | |
421 | else | |
422 | runloader->MakeStack();//or make a new one | |
504b172d | 423 | |
424 | if(gAlice->Lego() == 0x0) | |
425 | { | |
21bf7095 | 426 | AliDebug(1, "fRunLoader->MakeTree(K)"); |
504b172d | 427 | runloader->MakeTree("K"); |
428 | } | |
429 | ||
21bf7095 | 430 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
5d12ce38 | 431 | gMC->SetStack(gAlice->GetRunLoader()->Stack());//Was in InitMC - but was moved here |
432 | //because we don't have guarantee that | |
433 | //stack pointer is not going to change from event to event | |
434 | //since it bellobgs to header and is obtained via RunLoader | |
435 | // | |
436 | // Reset all Detectors & kinematics & make/reset trees | |
437 | // | |
438 | ||
439 | runloader->GetHeader()->Reset(gAlice->GetRunNumber(),gAlice->GetEvNumber(), | |
440 | gAlice->GetEventNrInRun()); | |
441 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so | |
442 | ||
504b172d | 443 | if(gAlice->Lego()) |
444 | { | |
445 | gAlice->Lego()->BeginEvent(); | |
446 | return; | |
447 | } | |
448 | ||
5d12ce38 | 449 | |
21bf7095 | 450 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 451 | ResetHits(); |
504b172d | 452 | |
21bf7095 | 453 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 454 | runloader->MakeTree("H"); |
504b172d | 455 | |
21bf7095 | 456 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); |
504b172d | 457 | runloader->MakeTrackRefsContainer();//for insurance |
5d12ce38 | 458 | |
5d12ce38 | 459 | |
460 | //create new branches and SetAdresses | |
461 | TIter next(gAlice->Modules()); | |
462 | AliModule *detector; | |
463 | while((detector = (AliModule*)next())) | |
464 | { | |
21bf7095 | 465 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
5d12ce38 | 466 | detector->MakeBranch("H"); |
21bf7095 | 467 | AliDebug(2, Form("%s->MakeBranchTR()",detector->GetName())); |
5d12ce38 | 468 | detector->MakeBranchTR(); |
21bf7095 | 469 | AliDebug(2, Form("%s->SetTreeAddress()",detector->GetName())); |
5d12ce38 | 470 | detector->SetTreeAddress(); |
471 | } | |
ab03c084 | 472 | // make branch for AliRun track References |
473 | TTree * treeTR = runloader->TreeTR(); | |
474 | if (treeTR){ | |
475 | // make branch for central track references | |
476 | if (!fTrackReferences) fTrackReferences = new TClonesArray("AliTrackReference",0); | |
477 | TBranch *branch; | |
478 | branch = treeTR->Branch("AliRun",&fTrackReferences); | |
479 | branch->SetAddress(&fTrackReferences); | |
480 | } | |
481 | // | |
5d12ce38 | 482 | } |
483 | ||
484 | //_______________________________________________________________________ | |
485 | void AliMC::ResetHits() | |
486 | { | |
487 | // | |
488 | // Reset all Detectors hits | |
489 | // | |
490 | TIter next(gAlice->Modules()); | |
491 | AliModule *detector; | |
492 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
493 | detector->ResetHits(); | |
494 | } | |
495 | } | |
496 | ||
497 | //_______________________________________________________________________ | |
498 | void AliMC::PostTrack() | |
499 | { | |
d0d4a6b3 | 500 | // Posts tracks for each module |
4a9de4af | 501 | TObjArray &dets = *gAlice->Modules(); |
502 | AliModule *module; | |
503 | ||
504 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
505 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
506 | module->PostTrack(); | |
5d12ce38 | 507 | } |
508 | ||
509 | //_______________________________________________________________________ | |
510 | void AliMC::FinishPrimary() | |
511 | { | |
512 | // | |
513 | // Called at the end of each primary track | |
514 | // | |
515 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
516 | // static Int_t count=0; | |
517 | // const Int_t times=10; | |
518 | // This primary is finished, purify stack | |
c75cfb51 | 519 | #if ROOT_VERSION_CODE > 262152 |
05c7517d | 520 | if (!(gMC->SecondariesAreOrdered())) |
521 | runloader->Stack()->ReorderKine(); | |
c75cfb51 | 522 | #endif |
5d12ce38 | 523 | runloader->Stack()->PurifyKine(); |
504b172d | 524 | |
5d12ce38 | 525 | TIter next(gAlice->Modules()); |
526 | AliModule *detector; | |
527 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
528 | detector->FinishPrimary(); | |
504b172d | 529 | AliLoader* loader = detector->GetLoader(); |
530 | if(loader) | |
531 | { | |
532 | TTree* treeH = loader->TreeH(); | |
533 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
534 | } | |
5d12ce38 | 535 | } |
536 | ||
537 | // Write out track references if any | |
538 | if (runloader->TreeTR()) runloader->TreeTR()->Fill(); | |
539 | } | |
540 | ||
541 | //_______________________________________________________________________ | |
542 | void AliMC::FinishEvent() | |
543 | { | |
544 | // | |
545 | // Called at the end of the event. | |
546 | // | |
547 | ||
548 | // | |
549 | if(gAlice->Lego()) gAlice->Lego()->FinishEvent(); | |
550 | ||
551 | TIter next(gAlice->Modules()); | |
552 | AliModule *detector; | |
553 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
554 | detector->FinishEvent(); | |
555 | } | |
556 | ||
557 | //Update the energy deposit tables | |
558 | Int_t i; | |
559 | for(i=0;i<fEventEnergy.GetSize();i++) | |
560 | { | |
561 | fSummEnergy[i]+=fEventEnergy[i]; | |
562 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
563 | } | |
564 | ||
565 | AliRunLoader *runloader=gAlice->GetRunLoader(); | |
566 | ||
567 | AliHeader* header = runloader->GetHeader(); | |
568 | AliStack* stack = runloader->Stack(); | |
569 | if ( (header == 0x0) || (stack == 0x0) ) | |
570 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 571 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 572 | return;//never reached |
573 | } | |
574 | // Update Header information | |
575 | header->SetNprimary(stack->GetNprimary()); | |
576 | header->SetNtrack(stack->GetNtrack()); | |
577 | ||
578 | ||
579 | // Write out the kinematics | |
580 | stack->FinishEvent(); | |
581 | ||
582 | // Write out the event Header information | |
583 | TTree* treeE = runloader->TreeE(); | |
584 | if (treeE) | |
585 | { | |
586 | header->SetStack(stack); | |
587 | treeE->Fill(); | |
588 | } | |
589 | else | |
590 | { | |
21bf7095 | 591 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 592 | } |
593 | ||
504b172d | 594 | if(gAlice->Lego() == 0x0) |
595 | { | |
596 | runloader->WriteKinematics("OVERWRITE"); | |
597 | runloader->WriteTrackRefs("OVERWRITE"); | |
598 | runloader->WriteHits("OVERWRITE"); | |
599 | } | |
600 | ||
21bf7095 | 601 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
602 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
603 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
604 | AliDebug(1, " FINISHING EVENT "); | |
605 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
606 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
607 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 608 | } |
609 | ||
610 | //_______________________________________________________________________ | |
611 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
612 | { | |
d0d4a6b3 | 613 | // Calculates field "b" at point "x" |
5d12ce38 | 614 | gAlice->Field(x,b); |
615 | } | |
616 | ||
617 | //_______________________________________________________________________ | |
618 | void AliMC::Init() | |
619 | { | |
d0d4a6b3 | 620 | // MC initialization |
5d12ce38 | 621 | |
622 | //=================Create Materials and geometry | |
623 | gMC->Init(); | |
5d12ce38 | 624 | //Read the cuts for all materials |
625 | ReadTransPar(); | |
626 | //Build the special IMEDIA table | |
627 | MediaTable(); | |
628 | ||
629 | //Compute cross-sections | |
630 | gMC->BuildPhysics(); | |
631 | ||
632 | //Write Geometry object to current file. | |
633 | gAlice->GetRunLoader()->WriteGeometry(); | |
634 | ||
635 | //Initialise geometry deposition table | |
636 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
637 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
638 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
639 | ||
640 | // | |
641 | fMCQA = new AliMCQA(gAlice->GetNdets()); | |
642 | ||
643 | // Register MC in configuration | |
644 | AliConfig::Instance()->Add(gMC); | |
645 | ||
725acc99 | 646 | // Export TGeo geometry |
647 | if (gGeoManager) gGeoManager->Export("geometry.root"); | |
648 | ||
5d12ce38 | 649 | } |
650 | ||
651 | //_______________________________________________________________________ | |
652 | void AliMC::MediaTable() | |
653 | { | |
654 | // | |
655 | // Built media table to get from the media number to | |
656 | // the detector id | |
657 | // | |
658 | ||
659 | Int_t kz, nz, idt, lz, i, k, ind; | |
660 | // Int_t ibeg; | |
661 | TObjArray &dets = *gAlice->Detectors(); | |
662 | AliModule *det; | |
663 | Int_t ndets=gAlice->GetNdets(); | |
664 | // | |
665 | // For all detectors | |
666 | for (kz=0;kz<ndets;kz++) { | |
667 | // If detector is defined | |
668 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
669 | TArrayI &idtmed = *(det->GetIdtmed()); | |
670 | for(nz=0;nz<100;nz++) { | |
0561efeb | 671 | |
5d12ce38 | 672 | // Find max and min material number |
673 | if((idt=idtmed[nz])) { | |
674 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
675 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
676 | } | |
677 | } | |
678 | if(det->LoMedium() > det->HiMedium()) { | |
679 | det->LoMedium() = 0; | |
680 | det->HiMedium() = 0; | |
681 | } else { | |
682 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 683 | AliError(Form("Increase fImedia from %d to %d", |
684 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 685 | return; |
686 | } | |
687 | // Tag all materials in rage as belonging to detector kz | |
688 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
689 | (*fImedia)[lz]=kz; | |
690 | } | |
691 | } | |
692 | } | |
693 | } | |
694 | // | |
695 | // Print summary table | |
21bf7095 | 696 | AliInfo("Tracking media ranges:"); |
697 | ToAliInfo( | |
5d12ce38 | 698 | for(i=0;i<(ndets-1)/6+1;i++) { |
699 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
700 | ind=i*6+k; | |
701 | det=dynamic_cast<AliModule*>(dets[ind]); | |
702 | if(det) | |
703 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
704 | det->HiMedium()); | |
705 | else | |
706 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
707 | } | |
708 | printf("\n"); | |
709 | } | |
21bf7095 | 710 | ) |
5d12ce38 | 711 | } |
712 | ||
713 | //_______________________________________________________________________ | |
714 | void AliMC::ReadTransPar() | |
715 | { | |
716 | // | |
717 | // Read filename to set the transport parameters | |
718 | // | |
719 | ||
720 | ||
721 | const Int_t kncuts=10; | |
722 | const Int_t knflags=11; | |
723 | const Int_t knpars=kncuts+knflags; | |
724 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
725 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
726 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
727 | "MULS","PAIR","PHOT","RAYL"}; | |
728 | char line[256]; | |
729 | char detName[7]; | |
730 | char* filtmp; | |
731 | Float_t cut[kncuts]; | |
732 | Int_t flag[knflags]; | |
733 | Int_t i, itmed, iret, ktmed, kz; | |
734 | FILE *lun; | |
735 | // | |
736 | // See whether the file is there | |
737 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
738 | lun=fopen(filtmp,"r"); | |
739 | delete [] filtmp; | |
740 | if(!lun) { | |
21bf7095 | 741 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 742 | return; |
743 | } | |
744 | // | |
5d12ce38 | 745 | while(1) { |
746 | // Initialise cuts and flags | |
747 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
748 | for(i=0;i<knflags;i++) flag[i]=-99; | |
749 | itmed=0; | |
750 | for(i=0;i<256;i++) line[i]='\0'; | |
751 | // Read up to the end of line excluded | |
752 | iret=fscanf(lun,"%[^\n]",line); | |
753 | if(iret<0) { | |
754 | //End of file | |
755 | fclose(lun); | |
5d12ce38 | 756 | return; |
757 | } | |
758 | // Read the end of line | |
759 | fscanf(lun,"%*c"); | |
760 | if(!iret) continue; | |
761 | if(line[0]=='*') continue; | |
762 | // Read the numbers | |
763 | 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", | |
764 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
765 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
766 | &flag[8],&flag[9],&flag[10]); | |
767 | if(!iret) continue; | |
768 | if(iret<0) { | |
769 | //reading error | |
21bf7095 | 770 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 771 | continue; |
772 | } | |
773 | // Check that the module exist | |
774 | AliModule *mod = gAlice->GetModule(detName); | |
775 | if(mod) { | |
776 | // Get the array of media numbers | |
777 | TArrayI &idtmed = *mod->GetIdtmed(); | |
778 | // Check that the tracking medium code is valid | |
779 | if(0<=itmed && itmed < 100) { | |
780 | ktmed=idtmed[itmed]; | |
781 | if(!ktmed) { | |
21bf7095 | 782 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 783 | continue; |
784 | } | |
785 | // Set energy thresholds | |
786 | for(kz=0;kz<kncuts;kz++) { | |
787 | if(cut[kz]>=0) { | |
21bf7095 | 788 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
789 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 790 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
791 | } | |
792 | } | |
793 | // Set transport mechanisms | |
794 | for(kz=0;kz<knflags;kz++) { | |
795 | if(flag[kz]>=0) { | |
21bf7095 | 796 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
797 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 798 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
799 | } | |
800 | } | |
801 | } else { | |
21bf7095 | 802 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 803 | continue; |
804 | } | |
805 | } else { | |
21bf7095 | 806 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 807 | continue; |
808 | } | |
809 | } | |
810 | } | |
811 | ||
812 | //_______________________________________________________________________ | |
813 | void AliMC::SetTransPar(const char *filename) | |
814 | { | |
815 | // | |
816 | // Sets the file name for transport parameters | |
817 | // | |
818 | fTransParName = filename; | |
819 | } | |
820 | ||
821 | //_______________________________________________________________________ | |
0054628d | 822 | void AliMC::Browse(TBrowser *b) |
5d12ce38 | 823 | { |
824 | // | |
825 | // Called when the item "Run" is clicked on the left pane | |
826 | // of the Root browser. | |
827 | // It displays the Root Trees and all detectors. | |
828 | // | |
829 | //detectors are in folders anyway | |
830 | b->Add(fMCQA,"AliMCQA"); | |
831 | } | |
832 | ||
833 | //PH | |
834 | //_______________________________________________________________________ | |
835 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
836 | { | |
837 | // | |
838 | // Add a hit to detector id | |
839 | // | |
840 | TObjArray &dets = *gAlice->Modules(); | |
841 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
842 | } | |
843 | ||
844 | //_______________________________________________________________________ | |
845 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
846 | { | |
847 | // | |
848 | // Add digit to detector id | |
849 | // | |
850 | TObjArray &dets = *gAlice->Modules(); | |
851 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
852 | } | |
853 | ||
854 | //_______________________________________________________________________ | |
855 | Int_t AliMC::GetCurrentTrackNumber() const { | |
856 | // | |
857 | // Returns current track | |
858 | // | |
859 | return gAlice->GetRunLoader()->Stack()->GetCurrentTrackNumber(); | |
860 | } | |
861 | ||
862 | //_______________________________________________________________________ | |
863 | void AliMC::DumpPart (Int_t i) const | |
864 | { | |
865 | // | |
866 | // Dumps particle i in the stack | |
867 | // | |
868 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
869 | if (runloader->Stack()) | |
870 | runloader->Stack()->DumpPart(i); | |
871 | } | |
872 | ||
873 | //_______________________________________________________________________ | |
874 | void AliMC::DumpPStack () const | |
875 | { | |
876 | // | |
877 | // Dumps the particle stack | |
878 | // | |
879 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
880 | if (runloader->Stack()) | |
881 | runloader->Stack()->DumpPStack(); | |
882 | } | |
883 | ||
884 | //_______________________________________________________________________ | |
885 | Int_t AliMC::GetNtrack() const { | |
886 | // | |
887 | // Returns number of tracks in stack | |
888 | // | |
889 | Int_t ntracks = -1; | |
890 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
891 | if (runloader->Stack()) | |
892 | ntracks = runloader->Stack()->GetNtrack(); | |
893 | return ntracks; | |
894 | } | |
895 | ||
896 | //_______________________________________________________________________ | |
897 | Int_t AliMC::GetPrimary(Int_t track) const | |
898 | { | |
899 | // | |
900 | // return number of primary that has generated track | |
901 | // | |
902 | Int_t nprimary = -999; | |
903 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
904 | if (runloader->Stack()) | |
905 | nprimary = runloader->Stack()->GetPrimary(track); | |
906 | return nprimary; | |
907 | } | |
908 | ||
909 | //_______________________________________________________________________ | |
910 | TParticle* AliMC::Particle(Int_t i) const | |
911 | { | |
d0d4a6b3 | 912 | // Returns the i-th particle from the stack taking into account |
913 | // the remaping done by PurifyKine | |
5d12ce38 | 914 | AliRunLoader * runloader = gAlice->GetRunLoader(); |
915 | if (runloader) | |
916 | if (runloader->Stack()) | |
917 | return runloader->Stack()->Particle(i); | |
918 | return 0x0; | |
919 | } | |
920 | ||
921 | //_______________________________________________________________________ | |
922 | TObjArray* AliMC::Particles() const { | |
923 | // | |
924 | // Returns pointer to Particles array | |
925 | // | |
926 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
927 | if (runloader) | |
928 | if (runloader->Stack()) | |
929 | return runloader->Stack()->Particles(); | |
930 | return 0x0; | |
931 | } | |
932 | ||
933 | //_______________________________________________________________________ | |
934 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
935 | Float_t *vpos, Float_t *polar, Float_t tof, | |
2057aecb | 936 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 937 | { |
938 | // Delegate to stack | |
939 | // | |
940 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
941 | if (runloader) | |
942 | if (runloader->Stack()) | |
943 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
944 | mech, ntr, weight, is); | |
945 | } | |
946 | ||
947 | //_______________________________________________________________________ | |
948 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
949 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
950 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
951 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 952 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 953 | { |
954 | // Delegate to stack | |
955 | // | |
956 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
957 | if (runloader) | |
958 | if (runloader->Stack()) | |
959 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
960 | polx, poly, polz, mech, ntr, weight, is); | |
961 | } | |
962 | ||
963 | //_______________________________________________________________________ | |
2057aecb | 964 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 965 | { |
966 | // | |
967 | // Set high water mark for last track in event | |
968 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
969 | if (runloader) | |
970 | if (runloader->Stack()) | |
971 | runloader->Stack()->SetHighWaterMark(nt); | |
972 | } | |
973 | ||
974 | //_______________________________________________________________________ | |
2057aecb | 975 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 976 | { |
977 | // | |
978 | // Delegate to stack | |
979 | // | |
980 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
981 | if (runloader) | |
982 | if (runloader->Stack()) | |
983 | runloader->Stack()->KeepTrack(track); | |
984 | } | |
985 | ||
986 | //_______________________________________________________________________ | |
2057aecb | 987 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 988 | { |
989 | // Delegate to stack | |
990 | // | |
991 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
992 | if (runloader) | |
993 | if (runloader->Stack()) | |
994 | runloader->Stack()->FlagTrack(track); | |
995 | } | |
996 | ||
997 | //_______________________________________________________________________ | |
2057aecb | 998 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 999 | { |
1000 | // | |
1001 | // Set current track number | |
1002 | // | |
1003 | AliRunLoader * runloader = gAlice->GetRunLoader(); | |
1004 | if (runloader) | |
1005 | if (runloader->Stack()) | |
1006 | runloader->Stack()->SetCurrentTrack(track); | |
1007 | } | |
1008 | ||
1009 | //_______________________________________________________________________ | |
1010 | void AliMC::AddTrackReference(Int_t label){ | |
1011 | // | |
1012 | // add a trackrefernce to the list | |
1013 | if (!fTrackReferences) { | |
21bf7095 | 1014 | AliError("Container trackrefernce not active"); |
5d12ce38 | 1015 | return; |
1016 | } | |
1017 | Int_t nref = fTrackReferences->GetEntriesFast(); | |
1018 | TClonesArray &lref = *fTrackReferences; | |
1019 | new(lref[nref]) AliTrackReference(label); | |
1020 | } | |
1021 | ||
1022 | ||
1023 | ||
1024 | //_______________________________________________________________________ | |
1025 | void AliMC::ResetTrackReferences() | |
1026 | { | |
1027 | // | |
1028 | // Reset all references | |
1029 | // | |
1030 | if (fTrackReferences) fTrackReferences->Clear(); | |
1031 | ||
1032 | TIter next(gAlice->Modules()); | |
1033 | AliModule *detector; | |
1034 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
1035 | detector->ResetTrackReferences(); | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1040 | { | |
1041 | // | |
1042 | // Remapping track reference | |
1043 | // Called at finish primary | |
1044 | // | |
1045 | if (!fTrackReferences) return; | |
1046 | for (Int_t i=0;i<fTrackReferences->GetEntries();i++){ | |
1047 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTrackReferences->UncheckedAt(i)); | |
1048 | if (ref) { | |
1049 | Int_t newID = map[ref->GetTrack()]; | |
1050 | if (newID>=0) ref->SetTrack(newID); | |
1051 | else { | |
1052 | //ref->SetTrack(-1); | |
1053 | ref->SetBit(kNotDeleted,kFALSE); | |
1054 | fTrackReferences->RemoveAt(i); | |
1055 | } | |
1056 | } | |
1057 | } | |
1058 | fTrackReferences->Compress(); | |
1059 | } | |
0561efeb | 1060 | |
1061 | void AliMC::FixParticleDecaytime() | |
1062 | { | |
1063 | // | |
1064 | // Fix the particle decay time according to rmin and rmax for decays | |
1065 | // | |
1066 | ||
1067 | TLorentzVector p; | |
1068 | gMC->TrackMomentum(p); | |
1069 | Double_t tmin, tmax; | |
1070 | Double_t b; | |
1071 | ||
1072 | // Transverse velocity | |
1073 | Double_t vt = p.Pt() / p.E(); | |
1074 | ||
1075 | if ((b = gAlice->Field()->SolenoidField()) > 0.) { // [kG] | |
1076 | ||
1077 | // Radius of helix | |
1078 | ||
1079 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1080 | ||
1081 | // Revolution frequency | |
1082 | ||
1083 | Double_t omega = vt / rho; | |
1084 | ||
1085 | // Maximum and minimum decay time | |
1086 | // | |
1087 | // Check for curlers first | |
1088 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1089 | ||
1090 | // | |
1091 | ||
1092 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1093 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1094 | } else { | |
1095 | tmax = fRDecayMax / vt; // [ct] | |
1096 | tmin = fRDecayMin / vt; // [ct] | |
1097 | } | |
1098 | ||
1099 | // | |
1100 | // Dial t using the two limits | |
1101 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1102 | // | |
1103 | // | |
1104 | // Force decay time in transport code | |
1105 | // | |
92597d8f | 1106 | gMC->ForceDecayTime(t); |
0561efeb | 1107 | } |