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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 | |
e8bfa5e3 | 149 | if (!gGeoManager) new TGeoManager("ALICE", "ALICE geometry"); |
5d12ce38 | 150 | TStopwatch stw; |
151 | TIter next(gAlice->Modules()); | |
152 | AliModule *detector; | |
21bf7095 | 153 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 154 | while((detector = dynamic_cast<AliModule*>(next()))) { |
155 | stw.Start(); | |
156 | // Initialise detector materials and geometry | |
157 | detector->CreateMaterials(); | |
158 | detector->CreateGeometry(); | |
21bf7095 | 159 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
160 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 161 | } |
4a9de4af | 162 | } |
163 | ||
5d12ce38 | 164 | } |
165 | ||
39b3f8ba | 166 | //_______________________________________________________________________ |
167 | Bool_t AliMC::MisalignGeometry() | |
168 | { | |
169 | // Call misalignment code if AliSimulation object was defined. | |
0717eed2 | 170 | |
ced249e6 | 171 | if(!gAlice->IsRootGeometry()){ |
172 | //Set alignable volumes for the whole geometry | |
173 | SetAllAlignableVolumes(); | |
174 | } | |
0717eed2 | 175 | // Misalign geometry via AliSimulation instance |
3e2e3ece | 176 | if (!AliSimulation::Instance()) return kFALSE; |
392808e8 | 177 | AliGeomManager::SetGeometry(gGeoManager); |
ff5970a3 | 178 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) |
0bf7aade | 179 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
180 | ||
33c3c91a | 181 | return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::Instance()); |
39b3f8ba | 182 | } |
183 | ||
661663fa | 184 | //_______________________________________________________________________ |
185 | void AliMC::ConstructOpGeometry() | |
186 | { | |
187 | // | |
188 | // Loop all detector modules and call DefineOpticalProperties() method | |
189 | // | |
190 | ||
191 | TIter next(gAlice->Modules()); | |
192 | AliModule *detector; | |
193 | AliInfo("Optical properties definition"); | |
194 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
dde0a601 | 195 | // Initialise detector geometry |
196 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); | |
661663fa | 197 | // Initialise detector optical properties |
198 | detector->DefineOpticalProperties(); | |
199 | } | |
200 | } | |
201 | ||
5d12ce38 | 202 | //_______________________________________________________________________ |
203 | void AliMC::InitGeometry() | |
204 | { | |
205 | // | |
27cf3cdc | 206 | // Initialize detectors |
5d12ce38 | 207 | // |
208 | ||
4a9de4af | 209 | AliInfo("Initialisation:"); |
210 | TStopwatch stw; | |
211 | TIter next(gAlice->Modules()); | |
212 | AliModule *detector; | |
213 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
214 | stw.Start(); | |
4a9de4af | 215 | detector->Init(); |
4a9de4af | 216 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
217 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
218 | } | |
4787b401 | 219 | } |
220 | ||
221 | //_______________________________________________________________________ | |
222 | void AliMC::SetAllAlignableVolumes() | |
223 | { | |
224 | // | |
225 | // Add alignable volumes (TGeoPNEntries) looping on all | |
226 | // active modules | |
227 | // | |
228 | ||
229 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
230 | AliModule *detector; | |
231 | TIter next(gAlice->Modules()); | |
232 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
233 | detector->AddAlignableVolumes(); | |
234 | } | |
5d12ce38 | 235 | } |
236 | ||
237 | //_______________________________________________________________________ | |
2057aecb | 238 | void AliMC::GeneratePrimaries() |
5d12ce38 | 239 | { |
240 | // | |
241 | // Generate primary particles and fill them in the stack. | |
242 | // | |
243 | ||
244 | Generator()->Generate(); | |
245 | } | |
246 | ||
247 | //_______________________________________________________________________ | |
248 | void AliMC::SetGenerator(AliGenerator *generator) | |
249 | { | |
250 | // | |
251 | // Load the event generator | |
252 | // | |
253 | if(!fGenerator) fGenerator = generator; | |
254 | } | |
255 | ||
256 | //_______________________________________________________________________ | |
257 | void AliMC::ResetGenerator(AliGenerator *generator) | |
258 | { | |
259 | // | |
260 | // Load the event generator | |
261 | // | |
9a213abc | 262 | if(fGenerator) { |
263 | if(generator) { | |
21bf7095 | 264 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 265 | fGenerator->GetName(),generator->GetName())); |
266 | } | |
267 | else { | |
21bf7095 | 268 | AliWarning(Form("Replacing generator %s with NULL", |
269 | fGenerator->GetName())); | |
9a213abc | 270 | } |
271 | } | |
5d12ce38 | 272 | fGenerator = generator; |
273 | } | |
274 | ||
275 | //_______________________________________________________________________ | |
276 | void AliMC::FinishRun() | |
277 | { | |
278 | // Clean generator information | |
21bf7095 | 279 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 280 | fGenerator->FinishRun(); |
281 | ||
282 | //Output energy summary tables | |
21bf7095 | 283 | AliDebug(1, "EnergySummary()"); |
284 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 285 | } |
286 | ||
287 | //_______________________________________________________________________ | |
288 | void AliMC::BeginPrimary() | |
289 | { | |
290 | // | |
291 | // Called at the beginning of each primary track | |
292 | // | |
293 | ||
294 | // Reset Hits info | |
295 | ResetHits(); | |
296 | ResetTrackReferences(); | |
5d12ce38 | 297 | } |
298 | ||
299 | //_______________________________________________________________________ | |
300 | void AliMC::PreTrack() | |
301 | { | |
d0d4a6b3 | 302 | // Actions before the track's transport |
dde0a601 | 303 | |
5d12ce38 | 304 | TObjArray &dets = *gAlice->Modules(); |
305 | AliModule *module; | |
306 | ||
307 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
308 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
309 | module->PreTrack(); | |
5d12ce38 | 310 | } |
311 | ||
312 | //_______________________________________________________________________ | |
313 | void AliMC::Stepping() | |
314 | { | |
315 | // | |
316 | // Called at every step during transport | |
317 | // | |
38ca2ad6 | 318 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 319 | if (id < 0) return; |
320 | ||
0561efeb | 321 | |
322 | if ( gMC->IsNewTrack() && | |
323 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 324 | fRDecayMin >= 0. && |
0561efeb | 325 | fRDecayMax > fRDecayMin && |
326 | gMC->TrackPid() == fDecayPdg ) | |
327 | { | |
328 | FixParticleDecaytime(); | |
329 | } | |
330 | ||
331 | ||
332 | ||
5d12ce38 | 333 | // |
334 | // --- If lego option, do it and leave | |
3e2e3ece | 335 | if (AliSimulation::Instance()->Lego()) |
336 | AliSimulation::Instance()->Lego()->StepManager(); | |
5d12ce38 | 337 | else { |
338 | Int_t copy; | |
339 | //Update energy deposition tables | |
340 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 341 | // |
342 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 343 | |
344 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
345 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 346 | AliTrackReference::kDisappeared); |
faad98df | 347 | |
348 | ||
b60e0f5e | 349 | } |
faad98df | 350 | |
5d12ce38 | 351 | //Call the appropriate stepping routine; |
352 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
353 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 354 | det->StepManager(); |
355 | } | |
356 | } | |
357 | } | |
358 | ||
359 | //_______________________________________________________________________ | |
360 | void AliMC::EnergySummary() | |
361 | { | |
9ac3aec9 | 362 | //e |
5d12ce38 | 363 | // Print summary of deposited energy |
364 | // | |
365 | ||
366 | Int_t ndep=0; | |
367 | Float_t edtot=0; | |
368 | Float_t ed, ed2; | |
369 | Int_t kn, i, left, j, id; | |
370 | const Float_t kzero=0; | |
33c3c91a | 371 | Int_t ievent=AliRunLoader::Instance()->GetHeader()->GetEvent()+1; |
5d12ce38 | 372 | // |
373 | // Energy loss information | |
374 | if(ievent) { | |
375 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
376 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
377 | ed=fSummEnergy[kn]; | |
378 | if(ed>0) { | |
379 | fEventEnergy[ndep]=kn; | |
380 | if(ievent>1) { | |
381 | ed=ed/ievent; | |
382 | ed2=fSum2Energy[kn]; | |
383 | ed2=ed2/ievent; | |
384 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
385 | } else | |
386 | ed2=99; | |
387 | fSummEnergy[ndep]=ed; | |
388 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
389 | edtot+=ed; | |
390 | ndep++; | |
391 | } | |
392 | } | |
393 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
394 | left=ndep-kn*3; | |
395 | for(i=0;i<(3<left?3:left);i++) { | |
396 | j=kn*3+i; | |
397 | id=Int_t (fEventEnergy[j]+0.1); | |
398 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
399 | } | |
400 | printf("\n"); | |
401 | } | |
402 | // | |
403 | // Relative energy loss in different detectors | |
404 | printf("******************** Relative Energy Loss per event ********************\n"); | |
405 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
406 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
407 | left=ndep-kn*5; | |
408 | for(i=0;i<(5<left?5:left);i++) { | |
409 | j=kn*5+i; | |
410 | id=Int_t (fEventEnergy[j]+0.1); | |
411 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
412 | } | |
413 | printf("\n"); | |
414 | } | |
415 | for(kn=0;kn<75;kn++) printf("*"); | |
416 | printf("\n"); | |
417 | } | |
418 | // | |
419 | // Reset the TArray's | |
420 | // fEventEnergy.Set(0); | |
421 | // fSummEnergy.Set(0); | |
422 | // fSum2Energy.Set(0); | |
423 | } | |
424 | ||
425 | //_____________________________________________________________________________ | |
426 | void AliMC::BeginEvent() | |
427 | { | |
428 | // | |
429 | // Clean-up previous event | |
430 | // Energy scores | |
21bf7095 | 431 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
432 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
433 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
434 | AliDebug(1, " BEGINNING EVENT "); | |
435 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
436 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
437 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 438 | |
33c3c91a | 439 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 440 | |
441 | /*******************************/ | |
442 | /* Clean after eventual */ | |
443 | /* previous event */ | |
444 | /*******************************/ | |
445 | ||
446 | ||
447 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
448 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
449 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 450 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 451 | |
452 | fEventEnergy.Reset(); | |
453 | // Clean detector information | |
454 | ||
455 | if (runloader->Stack()) | |
3cac0921 | 456 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 457 | else |
3cac0921 | 458 | runloader->MakeStack();//or make a new one |
504b172d | 459 | |
9ac3aec9 | 460 | |
3e2e3ece | 461 | if(AliSimulation::Instance()->Lego() == 0x0) |
3cac0921 | 462 | { |
463 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
464 | runloader->MakeTree("K"); | |
465 | } | |
466 | ||
21bf7095 | 467 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
d3b3a3b2 | 468 | gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here |
5d12ce38 | 469 | //because we don't have guarantee that |
470 | //stack pointer is not going to change from event to event | |
471 | //since it bellobgs to header and is obtained via RunLoader | |
472 | // | |
473 | // Reset all Detectors & kinematics & make/reset trees | |
474 | // | |
475 | ||
8c8fbdcd | 476 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 477 | gAlice->GetEventNrInRun()); |
5d12ce38 | 478 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
479 | ||
3e2e3ece | 480 | if(AliSimulation::Instance()->Lego()) |
3cac0921 | 481 | { |
3e2e3ece | 482 | AliSimulation::Instance()->Lego()->BeginEvent(); |
3cac0921 | 483 | return; |
484 | } | |
504b172d | 485 | |
5d12ce38 | 486 | |
21bf7095 | 487 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 488 | ResetHits(); |
504b172d | 489 | |
21bf7095 | 490 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 491 | runloader->MakeTree("H"); |
504b172d | 492 | |
5d12ce38 | 493 | |
5d12ce38 | 494 | |
3cac0921 | 495 | MakeTmpTrackRefsTree(); |
5d12ce38 | 496 | //create new branches and SetAdresses |
497 | TIter next(gAlice->Modules()); | |
498 | AliModule *detector; | |
499 | while((detector = (AliModule*)next())) | |
500 | { | |
3cac0921 | 501 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
502 | detector->MakeBranch("H"); | |
5d12ce38 | 503 | } |
504 | } | |
505 | ||
506 | //_______________________________________________________________________ | |
507 | void AliMC::ResetHits() | |
508 | { | |
509 | // | |
510 | // Reset all Detectors hits | |
511 | // | |
512 | TIter next(gAlice->Modules()); | |
513 | AliModule *detector; | |
514 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
515 | detector->ResetHits(); | |
516 | } | |
517 | } | |
518 | ||
3e2e3ece | 519 | //_______________________________________________________________________ |
520 | void AliMC::ResetDigits() | |
521 | { | |
522 | // | |
523 | // Reset all Detectors digits | |
524 | // | |
525 | TIter next(gAlice->Modules()); | |
526 | AliModule *detector; | |
527 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
528 | detector->ResetDigits(); | |
529 | } | |
530 | } | |
531 | ||
532 | //_______________________________________________________________________ | |
533 | void AliMC::ResetSDigits() | |
534 | { | |
535 | // | |
536 | // Reset all Detectors digits | |
537 | // | |
538 | TIter next(gAlice->Modules()); | |
539 | AliModule *detector; | |
540 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
541 | detector->ResetSDigits(); | |
542 | } | |
543 | } | |
544 | ||
5d12ce38 | 545 | //_______________________________________________________________________ |
546 | void AliMC::PostTrack() | |
547 | { | |
d0d4a6b3 | 548 | // Posts tracks for each module |
dde0a601 | 549 | |
4a9de4af | 550 | TObjArray &dets = *gAlice->Modules(); |
551 | AliModule *module; | |
552 | ||
553 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
554 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
555 | module->PostTrack(); | |
5d12ce38 | 556 | } |
557 | ||
558 | //_______________________________________________________________________ | |
559 | void AliMC::FinishPrimary() | |
560 | { | |
561 | // | |
562 | // Called at the end of each primary track | |
563 | // | |
dde0a601 | 564 | |
33c3c91a | 565 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 566 | // static Int_t count=0; |
567 | // const Int_t times=10; | |
568 | // This primary is finished, purify stack | |
c75cfb51 | 569 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 570 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 571 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 572 | } |
c75cfb51 | 573 | #endif |
77db8cbf | 574 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 575 | |
5d12ce38 | 576 | TIter next(gAlice->Modules()); |
577 | AliModule *detector; | |
578 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
579 | detector->FinishPrimary(); | |
504b172d | 580 | AliLoader* loader = detector->GetLoader(); |
581 | if(loader) | |
582 | { | |
583 | TTree* treeH = loader->TreeH(); | |
584 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
585 | } | |
5d12ce38 | 586 | } |
587 | ||
588 | // Write out track references if any | |
3cac0921 | 589 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 590 | } |
591 | ||
942a9039 | 592 | void AliMC::RemapHits() |
593 | { | |
594 | // | |
595 | // Remaps the track labels of the hits | |
33c3c91a | 596 | AliRunLoader *runloader=AliRunLoader::Instance(); |
942a9039 | 597 | AliStack* stack = runloader->Stack(); |
598 | TList* hitLists = GetHitLists(); | |
599 | TIter next(hitLists); | |
600 | TCollection *hitList; | |
601 | ||
602 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
603 | TIter nexthit(hitList); | |
604 | AliHit *hit; | |
605 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
606 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
607 | } | |
608 | } | |
609 | ||
610 | // | |
611 | // This for detectors which have a special mapping mechanism | |
612 | // for hits, such as TPC and TRD | |
613 | // | |
ac2b85c0 | 614 | |
942a9039 | 615 | |
616 | TObjArray* modules = gAlice->Modules(); | |
617 | TIter nextmod(modules); | |
ac2b85c0 | 618 | AliModule *module; |
619 | while((module = (AliModule*) nextmod())) { | |
620 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
621 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 622 | } |
623 | // | |
624 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
625 | } | |
626 | ||
5d12ce38 | 627 | //_______________________________________________________________________ |
628 | void AliMC::FinishEvent() | |
629 | { | |
630 | // | |
631 | // Called at the end of the event. | |
632 | // | |
38ca2ad6 | 633 | |
3e2e3ece | 634 | if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent(); |
5d12ce38 | 635 | |
636 | TIter next(gAlice->Modules()); | |
637 | AliModule *detector; | |
638 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
639 | detector->FinishEvent(); | |
640 | } | |
641 | ||
642 | //Update the energy deposit tables | |
643 | Int_t i; | |
644 | for(i=0;i<fEventEnergy.GetSize();i++) | |
645 | { | |
646 | fSummEnergy[i]+=fEventEnergy[i]; | |
647 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
648 | } | |
649 | ||
33c3c91a | 650 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 651 | |
652 | AliHeader* header = runloader->GetHeader(); | |
653 | AliStack* stack = runloader->Stack(); | |
654 | if ( (header == 0x0) || (stack == 0x0) ) | |
655 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 656 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 657 | return;//never reached |
658 | } | |
659 | // Update Header information | |
660 | header->SetNprimary(stack->GetNprimary()); | |
661 | header->SetNtrack(stack->GetNtrack()); | |
662 | ||
5d12ce38 | 663 | // Write out the kinematics |
3e2e3ece | 664 | if (!AliSimulation::Instance()->Lego()) stack->FinishEvent(); |
3cac0921 | 665 | |
666 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 667 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 668 | |
669 | // Write out the event Header information | |
670 | TTree* treeE = runloader->TreeE(); | |
671 | if (treeE) | |
672 | { | |
673 | header->SetStack(stack); | |
674 | treeE->Fill(); | |
675 | } | |
676 | else | |
677 | { | |
21bf7095 | 678 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 679 | } |
680 | ||
3e2e3ece | 681 | if(AliSimulation::Instance()->Lego() == 0x0) |
504b172d | 682 | { |
683 | runloader->WriteKinematics("OVERWRITE"); | |
684 | runloader->WriteTrackRefs("OVERWRITE"); | |
685 | runloader->WriteHits("OVERWRITE"); | |
686 | } | |
687 | ||
21bf7095 | 688 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
689 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
690 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
691 | AliDebug(1, " FINISHING EVENT "); | |
692 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
693 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
694 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 695 | } |
696 | ||
5d12ce38 | 697 | //_______________________________________________________________________ |
698 | void AliMC::Init() | |
699 | { | |
d0d4a6b3 | 700 | // MC initialization |
5d12ce38 | 701 | |
702 | //=================Create Materials and geometry | |
703 | gMC->Init(); | |
4e889ff4 | 704 | // Set alignable volumes for the whole geometry (with old root) |
705 | #if ROOT_VERSION_CODE < 331527 | |
706 | SetAllAlignableVolumes(); | |
707 | #endif | |
5d12ce38 | 708 | //Read the cuts for all materials |
709 | ReadTransPar(); | |
710 | //Build the special IMEDIA table | |
711 | MediaTable(); | |
712 | ||
713 | //Compute cross-sections | |
714 | gMC->BuildPhysics(); | |
715 | ||
5d12ce38 | 716 | //Initialise geometry deposition table |
717 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
718 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
719 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
720 | ||
5d12ce38 | 721 | // Register MC in configuration |
722 | AliConfig::Instance()->Add(gMC); | |
723 | ||
724 | } | |
725 | ||
726 | //_______________________________________________________________________ | |
727 | void AliMC::MediaTable() | |
728 | { | |
729 | // | |
730 | // Built media table to get from the media number to | |
731 | // the detector id | |
732 | // | |
733 | ||
734 | Int_t kz, nz, idt, lz, i, k, ind; | |
735 | // Int_t ibeg; | |
736 | TObjArray &dets = *gAlice->Detectors(); | |
737 | AliModule *det; | |
738 | Int_t ndets=gAlice->GetNdets(); | |
739 | // | |
740 | // For all detectors | |
741 | for (kz=0;kz<ndets;kz++) { | |
742 | // If detector is defined | |
743 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
744 | TArrayI &idtmed = *(det->GetIdtmed()); | |
745 | for(nz=0;nz<100;nz++) { | |
0561efeb | 746 | |
5d12ce38 | 747 | // Find max and min material number |
748 | if((idt=idtmed[nz])) { | |
749 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
750 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
751 | } | |
752 | } | |
753 | if(det->LoMedium() > det->HiMedium()) { | |
754 | det->LoMedium() = 0; | |
755 | det->HiMedium() = 0; | |
756 | } else { | |
757 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 758 | AliError(Form("Increase fImedia from %d to %d", |
759 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 760 | return; |
761 | } | |
762 | // Tag all materials in rage as belonging to detector kz | |
763 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
764 | (*fImedia)[lz]=kz; | |
765 | } | |
766 | } | |
767 | } | |
768 | } | |
769 | // | |
770 | // Print summary table | |
21bf7095 | 771 | AliInfo("Tracking media ranges:"); |
772 | ToAliInfo( | |
5d12ce38 | 773 | for(i=0;i<(ndets-1)/6+1;i++) { |
774 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
775 | ind=i*6+k; | |
776 | det=dynamic_cast<AliModule*>(dets[ind]); | |
777 | if(det) | |
778 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
779 | det->HiMedium()); | |
780 | else | |
781 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
782 | } | |
783 | printf("\n"); | |
784 | } | |
21bf7095 | 785 | ) |
5d12ce38 | 786 | } |
787 | ||
788 | //_______________________________________________________________________ | |
789 | void AliMC::ReadTransPar() | |
790 | { | |
791 | // | |
792 | // Read filename to set the transport parameters | |
793 | // | |
794 | ||
795 | ||
796 | const Int_t kncuts=10; | |
797 | const Int_t knflags=11; | |
798 | const Int_t knpars=kncuts+knflags; | |
799 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
800 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
801 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
802 | "MULS","PAIR","PHOT","RAYL"}; | |
803 | char line[256]; | |
804 | char detName[7]; | |
805 | char* filtmp; | |
806 | Float_t cut[kncuts]; | |
807 | Int_t flag[knflags]; | |
808 | Int_t i, itmed, iret, ktmed, kz; | |
809 | FILE *lun; | |
810 | // | |
811 | // See whether the file is there | |
812 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
813 | lun=fopen(filtmp,"r"); | |
814 | delete [] filtmp; | |
815 | if(!lun) { | |
21bf7095 | 816 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 817 | return; |
818 | } | |
819 | // | |
5d12ce38 | 820 | while(1) { |
821 | // Initialise cuts and flags | |
822 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
823 | for(i=0;i<knflags;i++) flag[i]=-99; | |
824 | itmed=0; | |
825 | for(i=0;i<256;i++) line[i]='\0'; | |
826 | // Read up to the end of line excluded | |
827 | iret=fscanf(lun,"%[^\n]",line); | |
828 | if(iret<0) { | |
829 | //End of file | |
830 | fclose(lun); | |
5d12ce38 | 831 | return; |
832 | } | |
833 | // Read the end of line | |
834 | fscanf(lun,"%*c"); | |
835 | if(!iret) continue; | |
836 | if(line[0]=='*') continue; | |
837 | // Read the numbers | |
838 | 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", | |
839 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
840 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
841 | &flag[8],&flag[9],&flag[10]); | |
842 | if(!iret) continue; | |
843 | if(iret<0) { | |
844 | //reading error | |
21bf7095 | 845 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 846 | continue; |
847 | } | |
848 | // Check that the module exist | |
849 | AliModule *mod = gAlice->GetModule(detName); | |
850 | if(mod) { | |
851 | // Get the array of media numbers | |
852 | TArrayI &idtmed = *mod->GetIdtmed(); | |
853 | // Check that the tracking medium code is valid | |
854 | if(0<=itmed && itmed < 100) { | |
855 | ktmed=idtmed[itmed]; | |
856 | if(!ktmed) { | |
21bf7095 | 857 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 858 | continue; |
859 | } | |
860 | // Set energy thresholds | |
861 | for(kz=0;kz<kncuts;kz++) { | |
862 | if(cut[kz]>=0) { | |
21bf7095 | 863 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
864 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 865 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
866 | } | |
867 | } | |
868 | // Set transport mechanisms | |
869 | for(kz=0;kz<knflags;kz++) { | |
870 | if(flag[kz]>=0) { | |
21bf7095 | 871 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
872 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 873 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
874 | } | |
875 | } | |
876 | } else { | |
21bf7095 | 877 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 878 | continue; |
879 | } | |
880 | } else { | |
21bf7095 | 881 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 882 | continue; |
883 | } | |
884 | } | |
885 | } | |
886 | ||
887 | //_______________________________________________________________________ | |
888 | void AliMC::SetTransPar(const char *filename) | |
889 | { | |
890 | // | |
891 | // Sets the file name for transport parameters | |
892 | // | |
893 | fTransParName = filename; | |
894 | } | |
895 | ||
5d12ce38 | 896 | //_______________________________________________________________________ |
897 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
898 | { | |
899 | // | |
900 | // Add a hit to detector id | |
901 | // | |
902 | TObjArray &dets = *gAlice->Modules(); | |
903 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
904 | } | |
905 | ||
906 | //_______________________________________________________________________ | |
907 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
908 | { | |
909 | // | |
910 | // Add digit to detector id | |
911 | // | |
912 | TObjArray &dets = *gAlice->Modules(); | |
913 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
914 | } | |
915 | ||
916 | //_______________________________________________________________________ | |
917 | Int_t AliMC::GetCurrentTrackNumber() const { | |
918 | // | |
919 | // Returns current track | |
920 | // | |
33c3c91a | 921 | return AliRunLoader::Instance()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 922 | } |
923 | ||
924 | //_______________________________________________________________________ | |
925 | void AliMC::DumpPart (Int_t i) const | |
926 | { | |
927 | // | |
928 | // Dumps particle i in the stack | |
929 | // | |
33c3c91a | 930 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 931 | if (runloader->Stack()) |
932 | runloader->Stack()->DumpPart(i); | |
933 | } | |
934 | ||
935 | //_______________________________________________________________________ | |
936 | void AliMC::DumpPStack () const | |
937 | { | |
938 | // | |
939 | // Dumps the particle stack | |
940 | // | |
33c3c91a | 941 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 942 | if (runloader->Stack()) |
943 | runloader->Stack()->DumpPStack(); | |
944 | } | |
945 | ||
946 | //_______________________________________________________________________ | |
947 | Int_t AliMC::GetNtrack() const { | |
948 | // | |
949 | // Returns number of tracks in stack | |
950 | // | |
951 | Int_t ntracks = -1; | |
33c3c91a | 952 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 953 | if (runloader->Stack()) |
954 | ntracks = runloader->Stack()->GetNtrack(); | |
955 | return ntracks; | |
956 | } | |
957 | ||
958 | //_______________________________________________________________________ | |
959 | Int_t AliMC::GetPrimary(Int_t track) const | |
960 | { | |
961 | // | |
962 | // return number of primary that has generated track | |
963 | // | |
964 | Int_t nprimary = -999; | |
33c3c91a | 965 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 966 | if (runloader->Stack()) |
967 | nprimary = runloader->Stack()->GetPrimary(track); | |
968 | return nprimary; | |
969 | } | |
970 | ||
971 | //_______________________________________________________________________ | |
972 | TParticle* AliMC::Particle(Int_t i) const | |
973 | { | |
d0d4a6b3 | 974 | // Returns the i-th particle from the stack taking into account |
975 | // the remaping done by PurifyKine | |
33c3c91a | 976 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 977 | if (runloader) |
978 | if (runloader->Stack()) | |
979 | return runloader->Stack()->Particle(i); | |
980 | return 0x0; | |
981 | } | |
982 | ||
983 | //_______________________________________________________________________ | |
6c753956 | 984 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 985 | // |
986 | // Returns pointer to Particles array | |
987 | // | |
33c3c91a | 988 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 989 | if (runloader) |
990 | if (runloader->Stack()) | |
991 | return runloader->Stack()->Particles(); | |
992 | return 0x0; | |
993 | } | |
994 | ||
995 | //_______________________________________________________________________ | |
3e2e3ece | 996 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom, |
997 | const Float_t *vpos, const Float_t *polar, Float_t tof, | |
2057aecb | 998 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 999 | { |
1000 | // Delegate to stack | |
1001 | // | |
33c3c91a | 1002 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1003 | if (runloader) |
1004 | if (runloader->Stack()) | |
1005 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1006 | mech, ntr, weight, is); | |
1007 | } | |
1008 | ||
1009 | //_______________________________________________________________________ | |
1010 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1011 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1012 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1013 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1014 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1015 | { |
1016 | // Delegate to stack | |
1017 | // | |
33c3c91a | 1018 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1019 | if (runloader) |
1020 | if (runloader->Stack()) | |
1021 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1022 | polx, poly, polz, mech, ntr, weight, is); | |
1023 | } | |
1024 | ||
1025 | //_______________________________________________________________________ | |
2057aecb | 1026 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1027 | { |
1028 | // | |
1029 | // Set high water mark for last track in event | |
33c3c91a | 1030 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1031 | if (runloader) |
1032 | if (runloader->Stack()) | |
1033 | runloader->Stack()->SetHighWaterMark(nt); | |
1034 | } | |
1035 | ||
1036 | //_______________________________________________________________________ | |
2057aecb | 1037 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1038 | { |
1039 | // | |
1040 | // Delegate to stack | |
1041 | // | |
33c3c91a | 1042 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1043 | if (runloader) |
1044 | if (runloader->Stack()) | |
1045 | runloader->Stack()->KeepTrack(track); | |
1046 | } | |
1047 | ||
1048 | //_______________________________________________________________________ | |
2057aecb | 1049 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1050 | { |
1051 | // Delegate to stack | |
1052 | // | |
33c3c91a | 1053 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1054 | if (runloader) |
1055 | if (runloader->Stack()) | |
1056 | runloader->Stack()->FlagTrack(track); | |
1057 | } | |
1058 | ||
1059 | //_______________________________________________________________________ | |
2057aecb | 1060 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1061 | { |
1062 | // | |
1063 | // Set current track number | |
1064 | // | |
33c3c91a | 1065 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1066 | if (runloader) |
1067 | if (runloader->Stack()) | |
1068 | runloader->Stack()->SetCurrentTrack(track); | |
1069 | } | |
1070 | ||
1071 | //_______________________________________________________________________ | |
9ac3aec9 | 1072 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1073 | { | |
5d12ce38 | 1074 | // |
1075 | // add a trackrefernce to the list | |
9ac3aec9 | 1076 | Int_t primary = GetPrimary(label); |
1077 | Particle(primary)->SetBit(kKeepBit); | |
1078 | ||
fd650020 | 1079 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1080 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1081 | } |
1082 | ||
1083 | ||
1084 | ||
1085 | //_______________________________________________________________________ | |
1086 | void AliMC::ResetTrackReferences() | |
1087 | { | |
1088 | // | |
1089 | // Reset all references | |
1090 | // | |
fd650020 | 1091 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1092 | } |
1093 | ||
dde0a601 | 1094 | //_______________________________________________________________________ |
5d12ce38 | 1095 | void AliMC::RemapTrackReferencesIDs(Int_t *map) |
1096 | { | |
1097 | // | |
1098 | // Remapping track reference | |
1099 | // Called at finish primary | |
1100 | // | |
fd650020 | 1101 | |
1102 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1103 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1104 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1105 | if (ref) { |
1106 | Int_t newID = map[ref->GetTrack()]; | |
1107 | if (newID>=0) ref->SetTrack(newID); | |
1108 | else { | |
1109 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1110 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1111 | } |
1112 | } // if ref | |
5d12ce38 | 1113 | } |
fd650020 | 1114 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1115 | } |
0561efeb | 1116 | |
dde0a601 | 1117 | //_______________________________________________________________________ |
0561efeb | 1118 | void AliMC::FixParticleDecaytime() |
1119 | { | |
1120 | // | |
1121 | // Fix the particle decay time according to rmin and rmax for decays | |
1122 | // | |
1123 | ||
1124 | TLorentzVector p; | |
1125 | gMC->TrackMomentum(p); | |
1126 | Double_t tmin, tmax; | |
1127 | Double_t b; | |
1128 | ||
1129 | // Transverse velocity | |
1130 | Double_t vt = p.Pt() / p.E(); | |
1131 | ||
f7a1cc68 | 1132 | if ((b = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField()) > 0.) { // [kG] |
0561efeb | 1133 | |
1134 | // Radius of helix | |
1135 | ||
1136 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1137 | ||
1138 | // Revolution frequency | |
1139 | ||
1140 | Double_t omega = vt / rho; | |
1141 | ||
1142 | // Maximum and minimum decay time | |
1143 | // | |
1144 | // Check for curlers first | |
bfd20868 | 1145 | const Double_t kOvRhoSqr2 = 1./(rho*TMath::Sqrt(2.)); |
1146 | if (fRDecayMax * kOvRhoSqr2 > 1.) return; | |
0561efeb | 1147 | |
1148 | // | |
1149 | ||
bfd20868 | 1150 | tmax = TMath::ACos((1.-fRDecayMax*kOvRhoSqr2)*(1.+fRDecayMax*kOvRhoSqr2)) / omega; // [ct] |
ec29d701 | 1151 | tmin = TMath::ACos((1.-fRDecayMin*kOvRhoSqr2)*(1.+fRDecayMin*kOvRhoSqr2)) / omega; // [ct] |
0561efeb | 1152 | } else { |
1153 | tmax = fRDecayMax / vt; // [ct] | |
1154 | tmin = fRDecayMin / vt; // [ct] | |
1155 | } | |
1156 | ||
1157 | // | |
1158 | // Dial t using the two limits | |
1159 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1160 | // | |
1161 | // | |
1162 | // Force decay time in transport code | |
1163 | // | |
fa7ca4da | 1164 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1165 | } |
3cac0921 | 1166 | |
1167 | void AliMC::MakeTmpTrackRefsTree() | |
1168 | { | |
1169 | // Make the temporary track reference tree | |
1170 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1171 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1172 | TClonesArray* pRef = &fTmpTrackReferences; |
1173 | fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &pRef, 4000); | |
3cac0921 | 1174 | } |
1175 | ||
dde0a601 | 1176 | //_______________________________________________________________________ |
3cac0921 | 1177 | void AliMC::ReorderAndExpandTreeTR() |
1178 | { | |
1179 | // | |
1180 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1181 | // | |
1182 | ||
33c3c91a | 1183 | AliRunLoader *rl = AliRunLoader::Instance(); |
3cac0921 | 1184 | // |
1185 | // TreeTR | |
1186 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1187 | rl->MakeTrackRefsContainer(); | |
1188 | TTree * treeTR = rl->TreeTR(); | |
1189 | if (treeTR){ | |
1190 | // make branch for central track references | |
3cac0921 | 1191 | TBranch *branch; |
fd650020 | 1192 | TClonesArray* pRef = &fTrackReferences; |
1193 | branch = treeTR->Branch("TrackReferences", &pRef); | |
1194 | branch->SetAddress(&pRef); | |
3cac0921 | 1195 | } |
1196 | ||
1197 | AliStack* stack = rl->Stack(); | |
1198 | Int_t np = stack->GetNprimary(); | |
1199 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1200 | // |
1201 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1202 | Int_t ifills = 0; |
1203 | Int_t it = 0; | |
1204 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1205 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1206 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1207 | |
5ce21fc4 | 1208 | // Skip primaries that have not been transported |
3cac0921 | 1209 | Int_t dau1 = part->GetFirstDaughter(); |
1210 | Int_t dau2 = -1; | |
f4414561 | 1211 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1212 | // |
1213 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1214 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1215 | // Determine range of secondaries produced by this primary |
3cac0921 | 1216 | if (dau1 > -1) { |
5ce21fc4 | 1217 | Int_t inext = ip - 1; |
3cac0921 | 1218 | while (dau2 < 0) { |
1219 | if (inext >= 0) { | |
1220 | part = stack->Particle(inext); | |
5ce21fc4 | 1221 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1222 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1223 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1224 | dau2 = -1; |
1225 | } else { | |
1226 | dau2--; | |
1227 | } | |
3cac0921 | 1228 | } else { |
1229 | dau2 = stack->GetNtrack() - 1; | |
1230 | } | |
1231 | inext--; | |
5ce21fc4 | 1232 | } // find upper bound |
1233 | } // dau2 < 0 | |
2c4e7c77 | 1234 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1235 | // |
1236 | // Loop over reference hits and find secondary label | |
1237 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1238 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1239 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1240 | Int_t label = tr->Label(); |
5ce21fc4 | 1241 | // Skip primaries |
1242 | if (label == ip) continue; | |
2c4e7c77 | 1243 | if (label > dau2 || label < dau1) |
1244 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1245 | if (label == id) { |
1246 | // secondary found | |
fd650020 | 1247 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1248 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1249 | } |
1250 | } // hits | |
1251 | treeTR->Fill(); | |
fd650020 | 1252 | fTrackReferences.Clear(); |
5ce21fc4 | 1253 | ifills++; |
3cac0921 | 1254 | } // daughters |
1255 | } // tracks | |
3cac0921 | 1256 | // |
1257 | // Now loop again and write the primaries | |
5ce21fc4 | 1258 | it = nt - 1; |
1259 | for (Int_t ip = 0; ip < np; ip++) { | |
1260 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1261 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1262 | if (part->TestBit(kTransportBit)) |
f4414561 | 1263 | { |
5ce21fc4 | 1264 | // Skip particles that have not been transported |
1265 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1266 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1267 | // |
1268 | // Loop over reference hits and find primary labels | |
1269 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1270 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1271 | Int_t label = tr->Label(); |
1272 | if (label == ip) { | |
fd650020 | 1273 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1274 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1275 | } |
1276 | } | |
3cac0921 | 1277 | } |
1278 | treeTR->Fill(); | |
fd650020 | 1279 | fTrackReferences.Clear(); |
5ce21fc4 | 1280 | ifills++; |
3cac0921 | 1281 | } // tracks |
5ce21fc4 | 1282 | // Check |
1283 | if (ifills != stack->GetNtrack()) | |
1284 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1285 | // |
1286 | // Clean-up | |
1287 | delete fTmpTreeTR; | |
1288 | fTmpFileTR->Close(); | |
1289 | delete fTmpFileTR; | |
fd650020 | 1290 | fTmpTrackReferences.Clear(); |
3cac0921 | 1291 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1292 | } | |
1293 |