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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> |
3e2e3ece | 25 | #include <TArrayI.h> |
7ca4655f | 26 | #include <TClonesArray.h> |
3e2e3ece | 27 | #include <TFile.h> |
f7a1cc68 | 28 | #include <TGeoGlobalMagField.h> |
7ca4655f | 29 | #include <TGeoManager.h> |
3e2e3ece | 30 | #include <TParticle.h> |
31 | #include <TROOT.h> | |
5d12ce38 | 32 | #include <TStopwatch.h> |
33 | #include <TSystem.h> | |
34 | #include <TVirtualMC.h> | |
b60e0f5e | 35 | |
3e2e3ece | 36 | #include "AliCDBEntry.h" |
37 | #include "AliCDBManager.h" | |
38 | #include "AliCDBStorage.h" | |
5d12ce38 | 39 | #include "AliDetector.h" |
40 | #include "AliGenerator.h" | |
3e2e3ece | 41 | #include "AliGeomManager.h" |
5d12ce38 | 42 | #include "AliHeader.h" |
3e2e3ece | 43 | #include "AliHit.h" |
5d12ce38 | 44 | #include "AliLego.h" |
3e2e3ece | 45 | #include "AliLog.h" |
5d12ce38 | 46 | #include "AliMC.h" |
3e2e3ece | 47 | #include "AliMagF.h" |
5d12ce38 | 48 | #include "AliRun.h" |
3e2e3ece | 49 | #include "AliSimulation.h" |
5d12ce38 | 50 | #include "AliStack.h" |
51 | #include "AliTrackReference.h" | |
5d12ce38 | 52 | |
53 | ClassImp(AliMC) | |
54 | ||
55 | //_______________________________________________________________________ | |
56 | AliMC::AliMC() : | |
57 | fGenerator(0), | |
58 | fEventEnergy(0), | |
59 | fSummEnergy(0), | |
60 | fSum2Energy(0), | |
61 | fTrRmax(1.e10), | |
62 | fTrZmax(1.e10), | |
90e48c0c | 63 | fRDecayMax(1.e10), |
38ca2ad6 | 64 | fRDecayMin(-1.), |
90e48c0c | 65 | fDecayPdg(0), |
5d12ce38 | 66 | fImedia(0), |
67 | fTransParName("\0"), | |
5d12ce38 | 68 | fHitLists(0), |
3cac0921 | 69 | fTmpTreeTR(0), |
70 | fTmpFileTR(0), | |
fd650020 | 71 | fTrackReferences(), |
72 | fTmpTrackReferences() | |
5d12ce38 | 73 | |
74 | { | |
d0d4a6b3 | 75 | //default constructor |
0561efeb | 76 | DecayLimits(); |
5d12ce38 | 77 | } |
78 | ||
79 | //_______________________________________________________________________ | |
80 | AliMC::AliMC(const char *name, const char *title) : | |
81 | TVirtualMCApplication(name, title), | |
82 | fGenerator(0), | |
83 | fEventEnergy(0), | |
84 | fSummEnergy(0), | |
85 | fSum2Energy(0), | |
86 | fTrRmax(1.e10), | |
87 | fTrZmax(1.e10), | |
90e48c0c | 88 | fRDecayMax(1.e10), |
38ca2ad6 | 89 | fRDecayMin(-1.), |
90e48c0c | 90 | fDecayPdg(0), |
5d12ce38 | 91 | fImedia(new TArrayI(1000)), |
92 | fTransParName("\0"), | |
5d12ce38 | 93 | fHitLists(new TList()), |
3cac0921 | 94 | fTmpTreeTR(0), |
95 | fTmpFileTR(0), | |
fd650020 | 96 | fTrackReferences("AliTrackReference", 100), |
97 | fTmpTrackReferences("AliTrackReference", 100) | |
5d12ce38 | 98 | { |
d0d4a6b3 | 99 | //constructor |
5d12ce38 | 100 | // Set transport parameters |
101 | SetTransPar(); | |
0561efeb | 102 | DecayLimits(); |
5d12ce38 | 103 | // Prepare the tracking medium lists |
104 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 105 | } |
106 | ||
5d12ce38 | 107 | //_______________________________________________________________________ |
108 | AliMC::~AliMC() | |
109 | { | |
d0d4a6b3 | 110 | //destructor |
5d12ce38 | 111 | delete fGenerator; |
112 | delete fImedia; | |
5d12ce38 | 113 | delete fHitLists; |
114 | // Delete track references | |
5d12ce38 | 115 | } |
116 | ||
5d12ce38 | 117 | //_______________________________________________________________________ |
118 | void AliMC::ConstructGeometry() | |
119 | { | |
120 | // | |
4a9de4af | 121 | // Either load geometry from file or create it through usual |
122 | // loop on detectors. In the first case the method | |
123 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
124 | // at InitGeometry(). | |
5d12ce38 | 125 | // |
126 | ||
ced249e6 | 127 | if(gAlice->IsRootGeometry()){ //load geometry either from CDB or from file |
128 | if(gAlice->IsGeomFromCDB()){ | |
129 | AliInfo("Loading geometry from CDB default storage"); | |
130 | AliCDBPath path("GRP","Geometry","Data"); | |
131 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
132 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
133 | entry->SetOwner(0); | |
134 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
135 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 136 | }else{ |
ced249e6 | 137 | // Load geometry |
138 | const char *geomfilename = gAlice->GetGeometryFileName(); | |
139 | if(gSystem->ExpandPathName(geomfilename)){ | |
140 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
141 | TGeoManager::Import(geomfilename); | |
142 | }else{ | |
143 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
144 | return; | |
145 | } | |
4a9de4af | 146 | } |
147 | }else{ | |
148 | // Create modules, materials, geometry | |
5d12ce38 | 149 | TStopwatch stw; |
150 | TIter next(gAlice->Modules()); | |
151 | AliModule *detector; | |
21bf7095 | 152 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 153 | while((detector = dynamic_cast<AliModule*>(next()))) { |
154 | stw.Start(); | |
155 | // Initialise detector materials and geometry | |
156 | detector->CreateMaterials(); | |
157 | detector->CreateGeometry(); | |
21bf7095 | 158 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
159 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 160 | } |
4a9de4af | 161 | } |
162 | ||
5d12ce38 | 163 | } |
164 | ||
39b3f8ba | 165 | //_______________________________________________________________________ |
166 | Bool_t AliMC::MisalignGeometry() | |
167 | { | |
168 | // Call misalignment code if AliSimulation object was defined. | |
0717eed2 | 169 | |
ced249e6 | 170 | if(!gAlice->IsRootGeometry()){ |
171 | //Set alignable volumes for the whole geometry | |
172 | SetAllAlignableVolumes(); | |
173 | } | |
0717eed2 | 174 | // Misalign geometry via AliSimulation instance |
3e2e3ece | 175 | if (!AliSimulation::Instance()) return kFALSE; |
392808e8 | 176 | AliGeomManager::SetGeometry(gGeoManager); |
ff5970a3 | 177 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) |
0bf7aade | 178 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
179 | ||
33c3c91a | 180 | return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::Instance()); |
39b3f8ba | 181 | } |
182 | ||
661663fa | 183 | //_______________________________________________________________________ |
184 | void AliMC::ConstructOpGeometry() | |
185 | { | |
186 | // | |
187 | // Loop all detector modules and call DefineOpticalProperties() method | |
188 | // | |
189 | ||
190 | TIter next(gAlice->Modules()); | |
191 | AliModule *detector; | |
192 | AliInfo("Optical properties definition"); | |
193 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
194 | // Initialise detector optical properties | |
195 | detector->DefineOpticalProperties(); | |
196 | } | |
197 | } | |
198 | ||
5d12ce38 | 199 | //_______________________________________________________________________ |
200 | void AliMC::InitGeometry() | |
201 | { | |
202 | // | |
27cf3cdc | 203 | // Initialize detectors |
5d12ce38 | 204 | // |
205 | ||
4a9de4af | 206 | AliInfo("Initialisation:"); |
207 | TStopwatch stw; | |
208 | TIter next(gAlice->Modules()); | |
209 | AliModule *detector; | |
210 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
211 | stw.Start(); | |
27cf3cdc | 212 | // Initialise detector geometry |
4a9de4af | 213 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); |
214 | detector->Init(); | |
4a9de4af | 215 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
216 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
217 | } | |
4787b401 | 218 | } |
219 | ||
220 | //_______________________________________________________________________ | |
221 | void AliMC::SetAllAlignableVolumes() | |
222 | { | |
223 | // | |
224 | // Add alignable volumes (TGeoPNEntries) looping on all | |
225 | // active modules | |
226 | // | |
227 | ||
228 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
229 | AliModule *detector; | |
230 | TIter next(gAlice->Modules()); | |
231 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
232 | detector->AddAlignableVolumes(); | |
233 | } | |
5d12ce38 | 234 | } |
235 | ||
236 | //_______________________________________________________________________ | |
2057aecb | 237 | void AliMC::GeneratePrimaries() |
5d12ce38 | 238 | { |
239 | // | |
240 | // Generate primary particles and fill them in the stack. | |
241 | // | |
242 | ||
243 | Generator()->Generate(); | |
244 | } | |
245 | ||
246 | //_______________________________________________________________________ | |
247 | void AliMC::SetGenerator(AliGenerator *generator) | |
248 | { | |
249 | // | |
250 | // Load the event generator | |
251 | // | |
252 | if(!fGenerator) fGenerator = generator; | |
253 | } | |
254 | ||
255 | //_______________________________________________________________________ | |
256 | void AliMC::ResetGenerator(AliGenerator *generator) | |
257 | { | |
258 | // | |
259 | // Load the event generator | |
260 | // | |
9a213abc | 261 | if(fGenerator) { |
262 | if(generator) { | |
21bf7095 | 263 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 264 | fGenerator->GetName(),generator->GetName())); |
265 | } | |
266 | else { | |
21bf7095 | 267 | AliWarning(Form("Replacing generator %s with NULL", |
268 | fGenerator->GetName())); | |
9a213abc | 269 | } |
270 | } | |
5d12ce38 | 271 | fGenerator = generator; |
272 | } | |
273 | ||
274 | //_______________________________________________________________________ | |
275 | void AliMC::FinishRun() | |
276 | { | |
277 | // Clean generator information | |
21bf7095 | 278 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 279 | fGenerator->FinishRun(); |
280 | ||
281 | //Output energy summary tables | |
21bf7095 | 282 | AliDebug(1, "EnergySummary()"); |
283 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 284 | } |
285 | ||
286 | //_______________________________________________________________________ | |
287 | void AliMC::BeginPrimary() | |
288 | { | |
289 | // | |
290 | // Called at the beginning of each primary track | |
291 | // | |
292 | ||
293 | // Reset Hits info | |
294 | ResetHits(); | |
295 | ResetTrackReferences(); | |
5d12ce38 | 296 | } |
297 | ||
298 | //_______________________________________________________________________ | |
299 | void AliMC::PreTrack() | |
300 | { | |
d0d4a6b3 | 301 | // Actions before the track's transport |
5d12ce38 | 302 | TObjArray &dets = *gAlice->Modules(); |
303 | AliModule *module; | |
304 | ||
305 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
306 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
307 | module->PreTrack(); | |
308 | ||
5d12ce38 | 309 | } |
310 | ||
311 | //_______________________________________________________________________ | |
312 | void AliMC::Stepping() | |
313 | { | |
314 | // | |
315 | // Called at every step during transport | |
316 | // | |
38ca2ad6 | 317 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 318 | if (id < 0) return; |
319 | ||
0561efeb | 320 | |
321 | if ( gMC->IsNewTrack() && | |
322 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 323 | fRDecayMin >= 0. && |
0561efeb | 324 | fRDecayMax > fRDecayMin && |
325 | gMC->TrackPid() == fDecayPdg ) | |
326 | { | |
327 | FixParticleDecaytime(); | |
328 | } | |
329 | ||
330 | ||
331 | ||
5d12ce38 | 332 | // |
333 | // --- If lego option, do it and leave | |
3e2e3ece | 334 | if (AliSimulation::Instance()->Lego()) |
335 | AliSimulation::Instance()->Lego()->StepManager(); | |
5d12ce38 | 336 | else { |
337 | Int_t copy; | |
338 | //Update energy deposition tables | |
339 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 340 | // |
341 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 342 | |
343 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
344 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 345 | AliTrackReference::kDisappeared); |
faad98df | 346 | |
347 | ||
b60e0f5e | 348 | } |
faad98df | 349 | |
5d12ce38 | 350 | //Call the appropriate stepping routine; |
351 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
352 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 353 | det->StepManager(); |
354 | } | |
355 | } | |
356 | } | |
357 | ||
358 | //_______________________________________________________________________ | |
359 | void AliMC::EnergySummary() | |
360 | { | |
9ac3aec9 | 361 | //e |
5d12ce38 | 362 | // Print summary of deposited energy |
363 | // | |
364 | ||
365 | Int_t ndep=0; | |
366 | Float_t edtot=0; | |
367 | Float_t ed, ed2; | |
368 | Int_t kn, i, left, j, id; | |
369 | const Float_t kzero=0; | |
33c3c91a | 370 | Int_t ievent=AliRunLoader::Instance()->GetHeader()->GetEvent()+1; |
5d12ce38 | 371 | // |
372 | // Energy loss information | |
373 | if(ievent) { | |
374 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
375 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
376 | ed=fSummEnergy[kn]; | |
377 | if(ed>0) { | |
378 | fEventEnergy[ndep]=kn; | |
379 | if(ievent>1) { | |
380 | ed=ed/ievent; | |
381 | ed2=fSum2Energy[kn]; | |
382 | ed2=ed2/ievent; | |
383 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
384 | } else | |
385 | ed2=99; | |
386 | fSummEnergy[ndep]=ed; | |
387 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
388 | edtot+=ed; | |
389 | ndep++; | |
390 | } | |
391 | } | |
392 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
393 | left=ndep-kn*3; | |
394 | for(i=0;i<(3<left?3:left);i++) { | |
395 | j=kn*3+i; | |
396 | id=Int_t (fEventEnergy[j]+0.1); | |
397 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
398 | } | |
399 | printf("\n"); | |
400 | } | |
401 | // | |
402 | // Relative energy loss in different detectors | |
403 | printf("******************** Relative Energy Loss per event ********************\n"); | |
404 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
405 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
406 | left=ndep-kn*5; | |
407 | for(i=0;i<(5<left?5:left);i++) { | |
408 | j=kn*5+i; | |
409 | id=Int_t (fEventEnergy[j]+0.1); | |
410 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
411 | } | |
412 | printf("\n"); | |
413 | } | |
414 | for(kn=0;kn<75;kn++) printf("*"); | |
415 | printf("\n"); | |
416 | } | |
417 | // | |
418 | // Reset the TArray's | |
419 | // fEventEnergy.Set(0); | |
420 | // fSummEnergy.Set(0); | |
421 | // fSum2Energy.Set(0); | |
422 | } | |
423 | ||
424 | //_____________________________________________________________________________ | |
425 | void AliMC::BeginEvent() | |
426 | { | |
427 | // | |
428 | // Clean-up previous event | |
429 | // Energy scores | |
21bf7095 | 430 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
431 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
432 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
433 | AliDebug(1, " BEGINNING EVENT "); | |
434 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
435 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
436 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 437 | |
33c3c91a | 438 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 439 | |
440 | /*******************************/ | |
441 | /* Clean after eventual */ | |
442 | /* previous event */ | |
443 | /*******************************/ | |
444 | ||
445 | ||
446 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
447 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
448 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 449 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 450 | |
451 | fEventEnergy.Reset(); | |
452 | // Clean detector information | |
453 | ||
454 | if (runloader->Stack()) | |
3cac0921 | 455 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 456 | else |
3cac0921 | 457 | runloader->MakeStack();//or make a new one |
504b172d | 458 | |
9ac3aec9 | 459 | |
3e2e3ece | 460 | if(AliSimulation::Instance()->Lego() == 0x0) |
3cac0921 | 461 | { |
462 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
463 | runloader->MakeTree("K"); | |
464 | } | |
465 | ||
21bf7095 | 466 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
d3b3a3b2 | 467 | gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here |
5d12ce38 | 468 | //because we don't have guarantee that |
469 | //stack pointer is not going to change from event to event | |
470 | //since it bellobgs to header and is obtained via RunLoader | |
471 | // | |
472 | // Reset all Detectors & kinematics & make/reset trees | |
473 | // | |
474 | ||
8c8fbdcd | 475 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 476 | gAlice->GetEventNrInRun()); |
5d12ce38 | 477 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
478 | ||
3e2e3ece | 479 | if(AliSimulation::Instance()->Lego()) |
3cac0921 | 480 | { |
3e2e3ece | 481 | AliSimulation::Instance()->Lego()->BeginEvent(); |
3cac0921 | 482 | return; |
483 | } | |
504b172d | 484 | |
5d12ce38 | 485 | |
21bf7095 | 486 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 487 | ResetHits(); |
504b172d | 488 | |
21bf7095 | 489 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 490 | runloader->MakeTree("H"); |
504b172d | 491 | |
5d12ce38 | 492 | |
5d12ce38 | 493 | |
3cac0921 | 494 | MakeTmpTrackRefsTree(); |
5d12ce38 | 495 | //create new branches and SetAdresses |
496 | TIter next(gAlice->Modules()); | |
497 | AliModule *detector; | |
498 | while((detector = (AliModule*)next())) | |
499 | { | |
3cac0921 | 500 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
501 | detector->MakeBranch("H"); | |
5d12ce38 | 502 | } |
503 | } | |
504 | ||
505 | //_______________________________________________________________________ | |
506 | void AliMC::ResetHits() | |
507 | { | |
508 | // | |
509 | // Reset all Detectors hits | |
510 | // | |
511 | TIter next(gAlice->Modules()); | |
512 | AliModule *detector; | |
513 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
514 | detector->ResetHits(); | |
515 | } | |
516 | } | |
517 | ||
3e2e3ece | 518 | //_______________________________________________________________________ |
519 | void AliMC::ResetDigits() | |
520 | { | |
521 | // | |
522 | // Reset all Detectors digits | |
523 | // | |
524 | TIter next(gAlice->Modules()); | |
525 | AliModule *detector; | |
526 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
527 | detector->ResetDigits(); | |
528 | } | |
529 | } | |
530 | ||
531 | //_______________________________________________________________________ | |
532 | void AliMC::ResetSDigits() | |
533 | { | |
534 | // | |
535 | // Reset all Detectors digits | |
536 | // | |
537 | TIter next(gAlice->Modules()); | |
538 | AliModule *detector; | |
539 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
540 | detector->ResetSDigits(); | |
541 | } | |
542 | } | |
543 | ||
5d12ce38 | 544 | //_______________________________________________________________________ |
545 | void AliMC::PostTrack() | |
546 | { | |
d0d4a6b3 | 547 | // Posts tracks for each module |
4a9de4af | 548 | TObjArray &dets = *gAlice->Modules(); |
549 | AliModule *module; | |
550 | ||
551 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
552 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
553 | module->PostTrack(); | |
5d12ce38 | 554 | } |
555 | ||
556 | //_______________________________________________________________________ | |
557 | void AliMC::FinishPrimary() | |
558 | { | |
559 | // | |
560 | // Called at the end of each primary track | |
561 | // | |
33c3c91a | 562 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 563 | // static Int_t count=0; |
564 | // const Int_t times=10; | |
565 | // This primary is finished, purify stack | |
c75cfb51 | 566 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 567 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 568 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 569 | } |
c75cfb51 | 570 | #endif |
77db8cbf | 571 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 572 | |
5d12ce38 | 573 | TIter next(gAlice->Modules()); |
574 | AliModule *detector; | |
575 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
576 | detector->FinishPrimary(); | |
504b172d | 577 | AliLoader* loader = detector->GetLoader(); |
578 | if(loader) | |
579 | { | |
580 | TTree* treeH = loader->TreeH(); | |
581 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
582 | } | |
5d12ce38 | 583 | } |
584 | ||
585 | // Write out track references if any | |
3cac0921 | 586 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 587 | } |
588 | ||
942a9039 | 589 | void AliMC::RemapHits() |
590 | { | |
591 | // | |
592 | // Remaps the track labels of the hits | |
33c3c91a | 593 | AliRunLoader *runloader=AliRunLoader::Instance(); |
942a9039 | 594 | AliStack* stack = runloader->Stack(); |
595 | TList* hitLists = GetHitLists(); | |
596 | TIter next(hitLists); | |
597 | TCollection *hitList; | |
598 | ||
599 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
600 | TIter nexthit(hitList); | |
601 | AliHit *hit; | |
602 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
603 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
604 | } | |
605 | } | |
606 | ||
607 | // | |
608 | // This for detectors which have a special mapping mechanism | |
609 | // for hits, such as TPC and TRD | |
610 | // | |
ac2b85c0 | 611 | |
942a9039 | 612 | |
613 | TObjArray* modules = gAlice->Modules(); | |
614 | TIter nextmod(modules); | |
ac2b85c0 | 615 | AliModule *module; |
616 | while((module = (AliModule*) nextmod())) { | |
617 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
618 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 619 | } |
620 | // | |
621 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
622 | } | |
623 | ||
5d12ce38 | 624 | //_______________________________________________________________________ |
625 | void AliMC::FinishEvent() | |
626 | { | |
627 | // | |
628 | // Called at the end of the event. | |
629 | // | |
630 | ||
631 | // | |
38ca2ad6 | 632 | |
3e2e3ece | 633 | if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent(); |
5d12ce38 | 634 | |
635 | TIter next(gAlice->Modules()); | |
636 | AliModule *detector; | |
637 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
638 | detector->FinishEvent(); | |
639 | } | |
640 | ||
641 | //Update the energy deposit tables | |
642 | Int_t i; | |
643 | for(i=0;i<fEventEnergy.GetSize();i++) | |
644 | { | |
645 | fSummEnergy[i]+=fEventEnergy[i]; | |
646 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
647 | } | |
648 | ||
33c3c91a | 649 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 650 | |
651 | AliHeader* header = runloader->GetHeader(); | |
652 | AliStack* stack = runloader->Stack(); | |
653 | if ( (header == 0x0) || (stack == 0x0) ) | |
654 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 655 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 656 | return;//never reached |
657 | } | |
658 | // Update Header information | |
659 | header->SetNprimary(stack->GetNprimary()); | |
660 | header->SetNtrack(stack->GetNtrack()); | |
661 | ||
5d12ce38 | 662 | // Write out the kinematics |
3e2e3ece | 663 | if (!AliSimulation::Instance()->Lego()) stack->FinishEvent(); |
3cac0921 | 664 | |
665 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 666 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 667 | |
668 | // Write out the event Header information | |
669 | TTree* treeE = runloader->TreeE(); | |
670 | if (treeE) | |
671 | { | |
672 | header->SetStack(stack); | |
673 | treeE->Fill(); | |
674 | } | |
675 | else | |
676 | { | |
21bf7095 | 677 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 678 | } |
679 | ||
3e2e3ece | 680 | if(AliSimulation::Instance()->Lego() == 0x0) |
504b172d | 681 | { |
682 | runloader->WriteKinematics("OVERWRITE"); | |
683 | runloader->WriteTrackRefs("OVERWRITE"); | |
684 | runloader->WriteHits("OVERWRITE"); | |
685 | } | |
686 | ||
21bf7095 | 687 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
688 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
689 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
690 | AliDebug(1, " FINISHING EVENT "); | |
691 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
692 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
693 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 694 | } |
695 | ||
5d12ce38 | 696 | //_______________________________________________________________________ |
697 | void AliMC::Init() | |
698 | { | |
d0d4a6b3 | 699 | // MC initialization |
5d12ce38 | 700 | |
701 | //=================Create Materials and geometry | |
702 | gMC->Init(); | |
4e889ff4 | 703 | // Set alignable volumes for the whole geometry (with old root) |
704 | #if ROOT_VERSION_CODE < 331527 | |
705 | SetAllAlignableVolumes(); | |
706 | #endif | |
5d12ce38 | 707 | //Read the cuts for all materials |
708 | ReadTransPar(); | |
709 | //Build the special IMEDIA table | |
710 | MediaTable(); | |
711 | ||
712 | //Compute cross-sections | |
713 | gMC->BuildPhysics(); | |
714 | ||
5d12ce38 | 715 | //Initialise geometry deposition table |
716 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
717 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
718 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
719 | ||
5d12ce38 | 720 | // Register MC in configuration |
721 | AliConfig::Instance()->Add(gMC); | |
722 | ||
723 | } | |
724 | ||
725 | //_______________________________________________________________________ | |
726 | void AliMC::MediaTable() | |
727 | { | |
728 | // | |
729 | // Built media table to get from the media number to | |
730 | // the detector id | |
731 | // | |
732 | ||
733 | Int_t kz, nz, idt, lz, i, k, ind; | |
734 | // Int_t ibeg; | |
735 | TObjArray &dets = *gAlice->Detectors(); | |
736 | AliModule *det; | |
737 | Int_t ndets=gAlice->GetNdets(); | |
738 | // | |
739 | // For all detectors | |
740 | for (kz=0;kz<ndets;kz++) { | |
741 | // If detector is defined | |
742 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
743 | TArrayI &idtmed = *(det->GetIdtmed()); | |
744 | for(nz=0;nz<100;nz++) { | |
0561efeb | 745 | |
5d12ce38 | 746 | // Find max and min material number |
747 | if((idt=idtmed[nz])) { | |
748 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
749 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
750 | } | |
751 | } | |
752 | if(det->LoMedium() > det->HiMedium()) { | |
753 | det->LoMedium() = 0; | |
754 | det->HiMedium() = 0; | |
755 | } else { | |
756 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 757 | AliError(Form("Increase fImedia from %d to %d", |
758 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 759 | return; |
760 | } | |
761 | // Tag all materials in rage as belonging to detector kz | |
762 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
763 | (*fImedia)[lz]=kz; | |
764 | } | |
765 | } | |
766 | } | |
767 | } | |
768 | // | |
769 | // Print summary table | |
21bf7095 | 770 | AliInfo("Tracking media ranges:"); |
771 | ToAliInfo( | |
5d12ce38 | 772 | for(i=0;i<(ndets-1)/6+1;i++) { |
773 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
774 | ind=i*6+k; | |
775 | det=dynamic_cast<AliModule*>(dets[ind]); | |
776 | if(det) | |
777 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
778 | det->HiMedium()); | |
779 | else | |
780 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
781 | } | |
782 | printf("\n"); | |
783 | } | |
21bf7095 | 784 | ) |
5d12ce38 | 785 | } |
786 | ||
787 | //_______________________________________________________________________ | |
788 | void AliMC::ReadTransPar() | |
789 | { | |
790 | // | |
791 | // Read filename to set the transport parameters | |
792 | // | |
793 | ||
794 | ||
795 | const Int_t kncuts=10; | |
796 | const Int_t knflags=11; | |
797 | const Int_t knpars=kncuts+knflags; | |
798 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
799 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
800 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
801 | "MULS","PAIR","PHOT","RAYL"}; | |
802 | char line[256]; | |
803 | char detName[7]; | |
804 | char* filtmp; | |
805 | Float_t cut[kncuts]; | |
806 | Int_t flag[knflags]; | |
807 | Int_t i, itmed, iret, ktmed, kz; | |
808 | FILE *lun; | |
809 | // | |
810 | // See whether the file is there | |
811 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
812 | lun=fopen(filtmp,"r"); | |
813 | delete [] filtmp; | |
814 | if(!lun) { | |
21bf7095 | 815 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 816 | return; |
817 | } | |
818 | // | |
5d12ce38 | 819 | while(1) { |
820 | // Initialise cuts and flags | |
821 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
822 | for(i=0;i<knflags;i++) flag[i]=-99; | |
823 | itmed=0; | |
824 | for(i=0;i<256;i++) line[i]='\0'; | |
825 | // Read up to the end of line excluded | |
826 | iret=fscanf(lun,"%[^\n]",line); | |
827 | if(iret<0) { | |
828 | //End of file | |
829 | fclose(lun); | |
5d12ce38 | 830 | return; |
831 | } | |
832 | // Read the end of line | |
833 | fscanf(lun,"%*c"); | |
834 | if(!iret) continue; | |
835 | if(line[0]=='*') continue; | |
836 | // Read the numbers | |
837 | 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", | |
838 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
839 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
840 | &flag[8],&flag[9],&flag[10]); | |
841 | if(!iret) continue; | |
842 | if(iret<0) { | |
843 | //reading error | |
21bf7095 | 844 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 845 | continue; |
846 | } | |
847 | // Check that the module exist | |
848 | AliModule *mod = gAlice->GetModule(detName); | |
849 | if(mod) { | |
850 | // Get the array of media numbers | |
851 | TArrayI &idtmed = *mod->GetIdtmed(); | |
852 | // Check that the tracking medium code is valid | |
853 | if(0<=itmed && itmed < 100) { | |
854 | ktmed=idtmed[itmed]; | |
855 | if(!ktmed) { | |
21bf7095 | 856 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 857 | continue; |
858 | } | |
859 | // Set energy thresholds | |
860 | for(kz=0;kz<kncuts;kz++) { | |
861 | if(cut[kz]>=0) { | |
21bf7095 | 862 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
863 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 864 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
865 | } | |
866 | } | |
867 | // Set transport mechanisms | |
868 | for(kz=0;kz<knflags;kz++) { | |
869 | if(flag[kz]>=0) { | |
21bf7095 | 870 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
871 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 872 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
873 | } | |
874 | } | |
875 | } else { | |
21bf7095 | 876 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 877 | continue; |
878 | } | |
879 | } else { | |
21bf7095 | 880 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 881 | continue; |
882 | } | |
883 | } | |
884 | } | |
885 | ||
886 | //_______________________________________________________________________ | |
887 | void AliMC::SetTransPar(const char *filename) | |
888 | { | |
889 | // | |
890 | // Sets the file name for transport parameters | |
891 | // | |
892 | fTransParName = filename; | |
893 | } | |
894 | ||
5d12ce38 | 895 | //_______________________________________________________________________ |
896 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
897 | { | |
898 | // | |
899 | // Add a hit to detector id | |
900 | // | |
901 | TObjArray &dets = *gAlice->Modules(); | |
902 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
903 | } | |
904 | ||
905 | //_______________________________________________________________________ | |
906 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
907 | { | |
908 | // | |
909 | // Add digit to detector id | |
910 | // | |
911 | TObjArray &dets = *gAlice->Modules(); | |
912 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
913 | } | |
914 | ||
915 | //_______________________________________________________________________ | |
916 | Int_t AliMC::GetCurrentTrackNumber() const { | |
917 | // | |
918 | // Returns current track | |
919 | // | |
33c3c91a | 920 | return AliRunLoader::Instance()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 921 | } |
922 | ||
923 | //_______________________________________________________________________ | |
924 | void AliMC::DumpPart (Int_t i) const | |
925 | { | |
926 | // | |
927 | // Dumps particle i in the stack | |
928 | // | |
33c3c91a | 929 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 930 | if (runloader->Stack()) |
931 | runloader->Stack()->DumpPart(i); | |
932 | } | |
933 | ||
934 | //_______________________________________________________________________ | |
935 | void AliMC::DumpPStack () const | |
936 | { | |
937 | // | |
938 | // Dumps the particle stack | |
939 | // | |
33c3c91a | 940 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 941 | if (runloader->Stack()) |
942 | runloader->Stack()->DumpPStack(); | |
943 | } | |
944 | ||
945 | //_______________________________________________________________________ | |
946 | Int_t AliMC::GetNtrack() const { | |
947 | // | |
948 | // Returns number of tracks in stack | |
949 | // | |
950 | Int_t ntracks = -1; | |
33c3c91a | 951 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 952 | if (runloader->Stack()) |
953 | ntracks = runloader->Stack()->GetNtrack(); | |
954 | return ntracks; | |
955 | } | |
956 | ||
957 | //_______________________________________________________________________ | |
958 | Int_t AliMC::GetPrimary(Int_t track) const | |
959 | { | |
960 | // | |
961 | // return number of primary that has generated track | |
962 | // | |
963 | Int_t nprimary = -999; | |
33c3c91a | 964 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 965 | if (runloader->Stack()) |
966 | nprimary = runloader->Stack()->GetPrimary(track); | |
967 | return nprimary; | |
968 | } | |
969 | ||
970 | //_______________________________________________________________________ | |
971 | TParticle* AliMC::Particle(Int_t i) const | |
972 | { | |
d0d4a6b3 | 973 | // Returns the i-th particle from the stack taking into account |
974 | // the remaping done by PurifyKine | |
33c3c91a | 975 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 976 | if (runloader) |
977 | if (runloader->Stack()) | |
978 | return runloader->Stack()->Particle(i); | |
979 | return 0x0; | |
980 | } | |
981 | ||
982 | //_______________________________________________________________________ | |
6c753956 | 983 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 984 | // |
985 | // Returns pointer to Particles array | |
986 | // | |
33c3c91a | 987 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 988 | if (runloader) |
989 | if (runloader->Stack()) | |
990 | return runloader->Stack()->Particles(); | |
991 | return 0x0; | |
992 | } | |
993 | ||
994 | //_______________________________________________________________________ | |
3e2e3ece | 995 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom, |
996 | const Float_t *vpos, const Float_t *polar, Float_t tof, | |
2057aecb | 997 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 998 | { |
999 | // Delegate to stack | |
1000 | // | |
33c3c91a | 1001 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1002 | if (runloader) |
1003 | if (runloader->Stack()) | |
1004 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1005 | mech, ntr, weight, is); | |
1006 | } | |
1007 | ||
1008 | //_______________________________________________________________________ | |
1009 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1010 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1011 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1012 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1013 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1014 | { |
1015 | // Delegate to stack | |
1016 | // | |
33c3c91a | 1017 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1018 | if (runloader) |
1019 | if (runloader->Stack()) | |
1020 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1021 | polx, poly, polz, mech, ntr, weight, is); | |
1022 | } | |
1023 | ||
1024 | //_______________________________________________________________________ | |
2057aecb | 1025 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1026 | { |
1027 | // | |
1028 | // Set high water mark for last track in event | |
33c3c91a | 1029 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1030 | if (runloader) |
1031 | if (runloader->Stack()) | |
1032 | runloader->Stack()->SetHighWaterMark(nt); | |
1033 | } | |
1034 | ||
1035 | //_______________________________________________________________________ | |
2057aecb | 1036 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1037 | { |
1038 | // | |
1039 | // Delegate to stack | |
1040 | // | |
33c3c91a | 1041 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1042 | if (runloader) |
1043 | if (runloader->Stack()) | |
1044 | runloader->Stack()->KeepTrack(track); | |
1045 | } | |
1046 | ||
1047 | //_______________________________________________________________________ | |
2057aecb | 1048 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1049 | { |
1050 | // Delegate to stack | |
1051 | // | |
33c3c91a | 1052 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1053 | if (runloader) |
1054 | if (runloader->Stack()) | |
1055 | runloader->Stack()->FlagTrack(track); | |
1056 | } | |
1057 | ||
1058 | //_______________________________________________________________________ | |
2057aecb | 1059 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1060 | { |
1061 | // | |
1062 | // Set current track number | |
1063 | // | |
33c3c91a | 1064 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1065 | if (runloader) |
1066 | if (runloader->Stack()) | |
1067 | runloader->Stack()->SetCurrentTrack(track); | |
1068 | } | |
1069 | ||
1070 | //_______________________________________________________________________ | |
9ac3aec9 | 1071 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1072 | { | |
5d12ce38 | 1073 | // |
1074 | // add a trackrefernce to the list | |
9ac3aec9 | 1075 | Int_t primary = GetPrimary(label); |
1076 | Particle(primary)->SetBit(kKeepBit); | |
1077 | ||
fd650020 | 1078 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1079 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1080 | } |
1081 | ||
1082 | ||
1083 | ||
1084 | //_______________________________________________________________________ | |
1085 | void AliMC::ResetTrackReferences() | |
1086 | { | |
1087 | // | |
1088 | // Reset all references | |
1089 | // | |
fd650020 | 1090 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1091 | } |
1092 | ||
1093 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1094 | { | |
1095 | // | |
1096 | // Remapping track reference | |
1097 | // Called at finish primary | |
1098 | // | |
fd650020 | 1099 | |
1100 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1101 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1102 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1103 | if (ref) { |
1104 | Int_t newID = map[ref->GetTrack()]; | |
1105 | if (newID>=0) ref->SetTrack(newID); | |
1106 | else { | |
1107 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1108 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1109 | } |
1110 | } // if ref | |
5d12ce38 | 1111 | } |
fd650020 | 1112 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1113 | } |
0561efeb | 1114 | |
1115 | void AliMC::FixParticleDecaytime() | |
1116 | { | |
1117 | // | |
1118 | // Fix the particle decay time according to rmin and rmax for decays | |
1119 | // | |
1120 | ||
1121 | TLorentzVector p; | |
1122 | gMC->TrackMomentum(p); | |
1123 | Double_t tmin, tmax; | |
1124 | Double_t b; | |
1125 | ||
1126 | // Transverse velocity | |
1127 | Double_t vt = p.Pt() / p.E(); | |
1128 | ||
f7a1cc68 | 1129 | if ((b = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField()) > 0.) { // [kG] |
0561efeb | 1130 | |
1131 | // Radius of helix | |
1132 | ||
1133 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1134 | ||
1135 | // Revolution frequency | |
1136 | ||
1137 | Double_t omega = vt / rho; | |
1138 | ||
1139 | // Maximum and minimum decay time | |
1140 | // | |
1141 | // Check for curlers first | |
1142 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1143 | ||
1144 | // | |
1145 | ||
1146 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1147 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1148 | } else { | |
1149 | tmax = fRDecayMax / vt; // [ct] | |
1150 | tmin = fRDecayMin / vt; // [ct] | |
1151 | } | |
1152 | ||
1153 | // | |
1154 | // Dial t using the two limits | |
1155 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1156 | // | |
1157 | // | |
1158 | // Force decay time in transport code | |
1159 | // | |
fa7ca4da | 1160 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1161 | } |
3cac0921 | 1162 | |
1163 | void AliMC::MakeTmpTrackRefsTree() | |
1164 | { | |
1165 | // Make the temporary track reference tree | |
1166 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1167 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1168 | TClonesArray* pRef = &fTmpTrackReferences; |
1169 | fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &pRef, 4000); | |
3cac0921 | 1170 | } |
1171 | ||
1172 | void AliMC::ReorderAndExpandTreeTR() | |
1173 | { | |
1174 | // | |
1175 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1176 | // | |
1177 | ||
33c3c91a | 1178 | AliRunLoader *rl = AliRunLoader::Instance(); |
3cac0921 | 1179 | // |
1180 | // TreeTR | |
1181 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1182 | rl->MakeTrackRefsContainer(); | |
1183 | TTree * treeTR = rl->TreeTR(); | |
1184 | if (treeTR){ | |
1185 | // make branch for central track references | |
3cac0921 | 1186 | TBranch *branch; |
fd650020 | 1187 | TClonesArray* pRef = &fTrackReferences; |
1188 | branch = treeTR->Branch("TrackReferences", &pRef); | |
1189 | branch->SetAddress(&pRef); | |
3cac0921 | 1190 | } |
1191 | ||
1192 | AliStack* stack = rl->Stack(); | |
1193 | Int_t np = stack->GetNprimary(); | |
1194 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1195 | // |
1196 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1197 | Int_t ifills = 0; |
1198 | Int_t it = 0; | |
1199 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1200 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1201 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1202 | |
5ce21fc4 | 1203 | // Skip primaries that have not been transported |
3cac0921 | 1204 | Int_t dau1 = part->GetFirstDaughter(); |
1205 | Int_t dau2 = -1; | |
f4414561 | 1206 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1207 | // |
1208 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1209 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1210 | // Determine range of secondaries produced by this primary |
3cac0921 | 1211 | if (dau1 > -1) { |
5ce21fc4 | 1212 | Int_t inext = ip - 1; |
3cac0921 | 1213 | while (dau2 < 0) { |
1214 | if (inext >= 0) { | |
1215 | part = stack->Particle(inext); | |
5ce21fc4 | 1216 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1217 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1218 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1219 | dau2 = -1; |
1220 | } else { | |
1221 | dau2--; | |
1222 | } | |
3cac0921 | 1223 | } else { |
1224 | dau2 = stack->GetNtrack() - 1; | |
1225 | } | |
1226 | inext--; | |
5ce21fc4 | 1227 | } // find upper bound |
1228 | } // dau2 < 0 | |
2c4e7c77 | 1229 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1230 | // |
1231 | // Loop over reference hits and find secondary label | |
1232 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1233 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1234 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1235 | Int_t label = tr->Label(); |
5ce21fc4 | 1236 | // Skip primaries |
1237 | if (label == ip) continue; | |
2c4e7c77 | 1238 | if (label > dau2 || label < dau1) |
1239 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1240 | if (label == id) { |
1241 | // secondary found | |
fd650020 | 1242 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1243 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1244 | } |
1245 | } // hits | |
1246 | treeTR->Fill(); | |
fd650020 | 1247 | fTrackReferences.Clear(); |
5ce21fc4 | 1248 | ifills++; |
3cac0921 | 1249 | } // daughters |
1250 | } // tracks | |
3cac0921 | 1251 | // |
1252 | // Now loop again and write the primaries | |
5ce21fc4 | 1253 | it = nt - 1; |
1254 | for (Int_t ip = 0; ip < np; ip++) { | |
1255 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1256 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1257 | if (part->TestBit(kTransportBit)) |
f4414561 | 1258 | { |
5ce21fc4 | 1259 | // Skip particles that have not been transported |
1260 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1261 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1262 | // |
1263 | // Loop over reference hits and find primary labels | |
1264 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1265 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1266 | Int_t label = tr->Label(); |
1267 | if (label == ip) { | |
fd650020 | 1268 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1269 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1270 | } |
1271 | } | |
3cac0921 | 1272 | } |
1273 | treeTR->Fill(); | |
fd650020 | 1274 | fTrackReferences.Clear(); |
5ce21fc4 | 1275 | ifills++; |
3cac0921 | 1276 | } // tracks |
5ce21fc4 | 1277 | // Check |
1278 | if (ifills != stack->GetNtrack()) | |
1279 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1280 | // |
1281 | // Clean-up | |
1282 | delete fTmpTreeTR; | |
1283 | fTmpFileTR->Close(); | |
1284 | delete fTmpFileTR; | |
fd650020 | 1285 | fTmpTrackReferences.Clear(); |
3cac0921 | 1286 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1287 | } | |
1288 |