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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 | ||
d97f1dbe | 127 | if(AliSimulation::Instance()->IsGeometryFromFile()){ //load geometry either from CDB or from file |
128 | if(IsGeometryFromCDB()){ | |
ced249e6 | 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 |
d97f1dbe | 138 | const char *geomfilename = AliSimulation::Instance()->GetGeometryFile(); |
ced249e6 | 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 | } |
f82dfc3c | 147 | gMC->SetRootGeometry(); |
4a9de4af | 148 | }else{ |
149 | // Create modules, materials, geometry | |
e8bfa5e3 | 150 | if (!gGeoManager) new TGeoManager("ALICE", "ALICE geometry"); |
5d12ce38 | 151 | TStopwatch stw; |
152 | TIter next(gAlice->Modules()); | |
153 | AliModule *detector; | |
21bf7095 | 154 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 155 | while((detector = dynamic_cast<AliModule*>(next()))) { |
156 | stw.Start(); | |
157 | // Initialise detector materials and geometry | |
158 | detector->CreateMaterials(); | |
159 | detector->CreateGeometry(); | |
21bf7095 | 160 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
161 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 162 | } |
4a9de4af | 163 | } |
164 | ||
5d12ce38 | 165 | } |
166 | ||
39b3f8ba | 167 | //_______________________________________________________________________ |
168 | Bool_t AliMC::MisalignGeometry() | |
169 | { | |
d97f1dbe | 170 | // Call misalignment code if AliSimulation object was defined. |
171 | ||
172 | if(!AliSimulation::Instance()->IsGeometryFromFile()){ | |
173 | //Set alignable volumes for the whole geometry | |
174 | SetAllAlignableVolumes(); | |
175 | } | |
176 | // Misalign geometry via AliSimulation instance | |
177 | if (!AliSimulation::Instance()) return kFALSE; | |
178 | AliGeomManager::SetGeometry(gGeoManager); | |
179 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) | |
0bf7aade | 180 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
d97f1dbe | 181 | |
182 | return AliSimulation::Instance()->MisalignGeometry(AliRunLoader::Instance()); | |
39b3f8ba | 183 | } |
184 | ||
661663fa | 185 | //_______________________________________________________________________ |
186 | void AliMC::ConstructOpGeometry() | |
187 | { | |
188 | // | |
189 | // Loop all detector modules and call DefineOpticalProperties() method | |
190 | // | |
191 | ||
192 | TIter next(gAlice->Modules()); | |
193 | AliModule *detector; | |
194 | AliInfo("Optical properties definition"); | |
195 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
dde0a601 | 196 | // Initialise detector geometry |
d97f1dbe | 197 | if(AliSimulation::Instance()->IsGeometryFromFile()) detector->CreateMaterials(); |
661663fa | 198 | // Initialise detector optical properties |
199 | detector->DefineOpticalProperties(); | |
200 | } | |
201 | } | |
202 | ||
5d12ce38 | 203 | //_______________________________________________________________________ |
204 | void AliMC::InitGeometry() | |
205 | { | |
206 | // | |
27cf3cdc | 207 | // Initialize detectors |
5d12ce38 | 208 | // |
209 | ||
4a9de4af | 210 | AliInfo("Initialisation:"); |
211 | TStopwatch stw; | |
212 | TIter next(gAlice->Modules()); | |
213 | AliModule *detector; | |
214 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
215 | stw.Start(); | |
4a9de4af | 216 | detector->Init(); |
4a9de4af | 217 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
218 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
219 | } | |
4787b401 | 220 | } |
221 | ||
d97f1dbe | 222 | //_______________________________________________________________________ |
223 | void AliMC::SetGeometryFromCDB() | |
224 | { | |
225 | // Set the loading of geometry from cdb instead of creating it | |
226 | // A default CDB storage needs to be set before this method is called | |
227 | if(AliCDBManager::Instance()->IsDefaultStorageSet() && | |
228 | AliCDBManager::Instance()->GetRun() >= 0) | |
229 | AliSimulation::Instance()->SetGeometryFile("*OCDB*"); | |
230 | else | |
231 | AliError("Loading of geometry from CDB ignored. First set a default CDB storage!"); | |
232 | } | |
233 | ||
234 | //_______________________________________________________________________ | |
235 | Bool_t AliMC::IsGeometryFromCDB() const | |
236 | { | |
237 | return (strcmp(AliSimulation::Instance()->GetGeometryFile(),"*OCDB*")==0); | |
238 | } | |
239 | ||
4787b401 | 240 | //_______________________________________________________________________ |
241 | void AliMC::SetAllAlignableVolumes() | |
242 | { | |
243 | // | |
244 | // Add alignable volumes (TGeoPNEntries) looping on all | |
245 | // active modules | |
246 | // | |
247 | ||
248 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
249 | AliModule *detector; | |
250 | TIter next(gAlice->Modules()); | |
251 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
252 | detector->AddAlignableVolumes(); | |
253 | } | |
5d12ce38 | 254 | } |
255 | ||
256 | //_______________________________________________________________________ | |
2057aecb | 257 | void AliMC::GeneratePrimaries() |
5d12ce38 | 258 | { |
259 | // | |
260 | // Generate primary particles and fill them in the stack. | |
261 | // | |
262 | ||
263 | Generator()->Generate(); | |
264 | } | |
265 | ||
266 | //_______________________________________________________________________ | |
267 | void AliMC::SetGenerator(AliGenerator *generator) | |
268 | { | |
269 | // | |
270 | // Load the event generator | |
271 | // | |
272 | if(!fGenerator) fGenerator = generator; | |
273 | } | |
274 | ||
275 | //_______________________________________________________________________ | |
276 | void AliMC::ResetGenerator(AliGenerator *generator) | |
277 | { | |
278 | // | |
279 | // Load the event generator | |
280 | // | |
9a213abc | 281 | if(fGenerator) { |
282 | if(generator) { | |
21bf7095 | 283 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 284 | fGenerator->GetName(),generator->GetName())); |
285 | } | |
286 | else { | |
21bf7095 | 287 | AliWarning(Form("Replacing generator %s with NULL", |
288 | fGenerator->GetName())); | |
9a213abc | 289 | } |
290 | } | |
5d12ce38 | 291 | fGenerator = generator; |
292 | } | |
293 | ||
294 | //_______________________________________________________________________ | |
295 | void AliMC::FinishRun() | |
296 | { | |
297 | // Clean generator information | |
21bf7095 | 298 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 299 | fGenerator->FinishRun(); |
300 | ||
301 | //Output energy summary tables | |
21bf7095 | 302 | AliDebug(1, "EnergySummary()"); |
303 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 304 | } |
305 | ||
306 | //_______________________________________________________________________ | |
307 | void AliMC::BeginPrimary() | |
308 | { | |
309 | // | |
310 | // Called at the beginning of each primary track | |
311 | // | |
312 | ||
313 | // Reset Hits info | |
314 | ResetHits(); | |
315 | ResetTrackReferences(); | |
5d12ce38 | 316 | } |
317 | ||
318 | //_______________________________________________________________________ | |
319 | void AliMC::PreTrack() | |
320 | { | |
d0d4a6b3 | 321 | // Actions before the track's transport |
dde0a601 | 322 | |
5d12ce38 | 323 | TObjArray &dets = *gAlice->Modules(); |
324 | AliModule *module; | |
325 | ||
326 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
327 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
328 | module->PreTrack(); | |
5d12ce38 | 329 | } |
330 | ||
331 | //_______________________________________________________________________ | |
332 | void AliMC::Stepping() | |
333 | { | |
334 | // | |
335 | // Called at every step during transport | |
336 | // | |
38ca2ad6 | 337 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 338 | if (id < 0) return; |
339 | ||
0561efeb | 340 | |
341 | if ( gMC->IsNewTrack() && | |
342 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 343 | fRDecayMin >= 0. && |
0561efeb | 344 | fRDecayMax > fRDecayMin && |
345 | gMC->TrackPid() == fDecayPdg ) | |
346 | { | |
347 | FixParticleDecaytime(); | |
348 | } | |
349 | ||
350 | ||
351 | ||
5d12ce38 | 352 | // |
353 | // --- If lego option, do it and leave | |
3e2e3ece | 354 | if (AliSimulation::Instance()->Lego()) |
355 | AliSimulation::Instance()->Lego()->StepManager(); | |
5d12ce38 | 356 | else { |
357 | Int_t copy; | |
358 | //Update energy deposition tables | |
359 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 360 | // |
361 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 362 | |
363 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
364 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 365 | AliTrackReference::kDisappeared); |
faad98df | 366 | |
367 | ||
b60e0f5e | 368 | } |
faad98df | 369 | |
5d12ce38 | 370 | //Call the appropriate stepping routine; |
371 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
372 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 373 | det->StepManager(); |
374 | } | |
375 | } | |
376 | } | |
377 | ||
378 | //_______________________________________________________________________ | |
379 | void AliMC::EnergySummary() | |
380 | { | |
9ac3aec9 | 381 | //e |
5d12ce38 | 382 | // Print summary of deposited energy |
383 | // | |
384 | ||
385 | Int_t ndep=0; | |
386 | Float_t edtot=0; | |
387 | Float_t ed, ed2; | |
388 | Int_t kn, i, left, j, id; | |
389 | const Float_t kzero=0; | |
33c3c91a | 390 | Int_t ievent=AliRunLoader::Instance()->GetHeader()->GetEvent()+1; |
5d12ce38 | 391 | // |
392 | // Energy loss information | |
393 | if(ievent) { | |
394 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
395 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
396 | ed=fSummEnergy[kn]; | |
397 | if(ed>0) { | |
398 | fEventEnergy[ndep]=kn; | |
399 | if(ievent>1) { | |
400 | ed=ed/ievent; | |
401 | ed2=fSum2Energy[kn]; | |
402 | ed2=ed2/ievent; | |
403 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
404 | } else | |
405 | ed2=99; | |
406 | fSummEnergy[ndep]=ed; | |
407 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
408 | edtot+=ed; | |
409 | ndep++; | |
410 | } | |
411 | } | |
412 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
413 | left=ndep-kn*3; | |
414 | for(i=0;i<(3<left?3:left);i++) { | |
415 | j=kn*3+i; | |
416 | id=Int_t (fEventEnergy[j]+0.1); | |
417 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
418 | } | |
419 | printf("\n"); | |
420 | } | |
421 | // | |
422 | // Relative energy loss in different detectors | |
423 | printf("******************** Relative Energy Loss per event ********************\n"); | |
424 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
425 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
426 | left=ndep-kn*5; | |
427 | for(i=0;i<(5<left?5:left);i++) { | |
428 | j=kn*5+i; | |
429 | id=Int_t (fEventEnergy[j]+0.1); | |
430 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
431 | } | |
432 | printf("\n"); | |
433 | } | |
434 | for(kn=0;kn<75;kn++) printf("*"); | |
435 | printf("\n"); | |
436 | } | |
437 | // | |
438 | // Reset the TArray's | |
439 | // fEventEnergy.Set(0); | |
440 | // fSummEnergy.Set(0); | |
441 | // fSum2Energy.Set(0); | |
442 | } | |
443 | ||
444 | //_____________________________________________________________________________ | |
445 | void AliMC::BeginEvent() | |
446 | { | |
447 | // | |
448 | // Clean-up previous event | |
449 | // Energy scores | |
21bf7095 | 450 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
451 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
452 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
453 | AliDebug(1, " BEGINNING EVENT "); | |
454 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
455 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
456 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 457 | |
33c3c91a | 458 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 459 | |
460 | /*******************************/ | |
461 | /* Clean after eventual */ | |
462 | /* previous event */ | |
463 | /*******************************/ | |
464 | ||
465 | ||
466 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
467 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
468 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 469 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 470 | |
471 | fEventEnergy.Reset(); | |
472 | // Clean detector information | |
473 | ||
474 | if (runloader->Stack()) | |
3cac0921 | 475 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 476 | else |
3cac0921 | 477 | runloader->MakeStack();//or make a new one |
504b172d | 478 | |
9ac3aec9 | 479 | |
3e2e3ece | 480 | if(AliSimulation::Instance()->Lego() == 0x0) |
3cac0921 | 481 | { |
482 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
483 | runloader->MakeTree("K"); | |
484 | } | |
485 | ||
21bf7095 | 486 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
d3b3a3b2 | 487 | gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here |
5d12ce38 | 488 | //because we don't have guarantee that |
489 | //stack pointer is not going to change from event to event | |
490 | //since it bellobgs to header and is obtained via RunLoader | |
491 | // | |
492 | // Reset all Detectors & kinematics & make/reset trees | |
493 | // | |
494 | ||
8c8fbdcd | 495 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 496 | gAlice->GetEventNrInRun()); |
5d12ce38 | 497 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
498 | ||
3e2e3ece | 499 | if(AliSimulation::Instance()->Lego()) |
3cac0921 | 500 | { |
3e2e3ece | 501 | AliSimulation::Instance()->Lego()->BeginEvent(); |
3cac0921 | 502 | return; |
503 | } | |
504b172d | 504 | |
5d12ce38 | 505 | |
21bf7095 | 506 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 507 | ResetHits(); |
504b172d | 508 | |
21bf7095 | 509 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 510 | runloader->MakeTree("H"); |
504b172d | 511 | |
5d12ce38 | 512 | |
5d12ce38 | 513 | |
3cac0921 | 514 | MakeTmpTrackRefsTree(); |
5d12ce38 | 515 | //create new branches and SetAdresses |
516 | TIter next(gAlice->Modules()); | |
517 | AliModule *detector; | |
518 | while((detector = (AliModule*)next())) | |
519 | { | |
3cac0921 | 520 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
521 | detector->MakeBranch("H"); | |
5d12ce38 | 522 | } |
523 | } | |
524 | ||
525 | //_______________________________________________________________________ | |
526 | void AliMC::ResetHits() | |
527 | { | |
528 | // | |
529 | // Reset all Detectors hits | |
530 | // | |
531 | TIter next(gAlice->Modules()); | |
532 | AliModule *detector; | |
533 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
534 | detector->ResetHits(); | |
535 | } | |
536 | } | |
537 | ||
3e2e3ece | 538 | //_______________________________________________________________________ |
539 | void AliMC::ResetDigits() | |
540 | { | |
541 | // | |
542 | // Reset all Detectors digits | |
543 | // | |
544 | TIter next(gAlice->Modules()); | |
545 | AliModule *detector; | |
546 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
547 | detector->ResetDigits(); | |
548 | } | |
549 | } | |
550 | ||
551 | //_______________________________________________________________________ | |
552 | void AliMC::ResetSDigits() | |
553 | { | |
554 | // | |
555 | // Reset all Detectors digits | |
556 | // | |
557 | TIter next(gAlice->Modules()); | |
558 | AliModule *detector; | |
559 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
560 | detector->ResetSDigits(); | |
561 | } | |
562 | } | |
563 | ||
5d12ce38 | 564 | //_______________________________________________________________________ |
565 | void AliMC::PostTrack() | |
566 | { | |
d0d4a6b3 | 567 | // Posts tracks for each module |
dde0a601 | 568 | |
4a9de4af | 569 | TObjArray &dets = *gAlice->Modules(); |
570 | AliModule *module; | |
571 | ||
572 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
573 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
574 | module->PostTrack(); | |
5d12ce38 | 575 | } |
576 | ||
577 | //_______________________________________________________________________ | |
578 | void AliMC::FinishPrimary() | |
579 | { | |
580 | // | |
581 | // Called at the end of each primary track | |
582 | // | |
dde0a601 | 583 | |
33c3c91a | 584 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 585 | // static Int_t count=0; |
586 | // const Int_t times=10; | |
587 | // This primary is finished, purify stack | |
c75cfb51 | 588 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 589 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 590 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 591 | } |
c75cfb51 | 592 | #endif |
77db8cbf | 593 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 594 | |
5d12ce38 | 595 | TIter next(gAlice->Modules()); |
596 | AliModule *detector; | |
597 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
598 | detector->FinishPrimary(); | |
504b172d | 599 | AliLoader* loader = detector->GetLoader(); |
600 | if(loader) | |
601 | { | |
602 | TTree* treeH = loader->TreeH(); | |
603 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
604 | } | |
5d12ce38 | 605 | } |
606 | ||
607 | // Write out track references if any | |
3cac0921 | 608 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 609 | } |
610 | ||
942a9039 | 611 | void AliMC::RemapHits() |
612 | { | |
613 | // | |
614 | // Remaps the track labels of the hits | |
33c3c91a | 615 | AliRunLoader *runloader=AliRunLoader::Instance(); |
942a9039 | 616 | AliStack* stack = runloader->Stack(); |
617 | TList* hitLists = GetHitLists(); | |
618 | TIter next(hitLists); | |
619 | TCollection *hitList; | |
620 | ||
621 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
622 | TIter nexthit(hitList); | |
623 | AliHit *hit; | |
624 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
625 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
626 | } | |
627 | } | |
628 | ||
629 | // | |
630 | // This for detectors which have a special mapping mechanism | |
631 | // for hits, such as TPC and TRD | |
632 | // | |
ac2b85c0 | 633 | |
942a9039 | 634 | |
635 | TObjArray* modules = gAlice->Modules(); | |
636 | TIter nextmod(modules); | |
ac2b85c0 | 637 | AliModule *module; |
638 | while((module = (AliModule*) nextmod())) { | |
639 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
640 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 641 | } |
642 | // | |
643 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
644 | } | |
645 | ||
5d12ce38 | 646 | //_______________________________________________________________________ |
647 | void AliMC::FinishEvent() | |
648 | { | |
649 | // | |
650 | // Called at the end of the event. | |
651 | // | |
38ca2ad6 | 652 | |
3e2e3ece | 653 | if(AliSimulation::Instance()->Lego()) AliSimulation::Instance()->Lego()->FinishEvent(); |
5d12ce38 | 654 | |
655 | TIter next(gAlice->Modules()); | |
656 | AliModule *detector; | |
657 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
658 | detector->FinishEvent(); | |
659 | } | |
660 | ||
661 | //Update the energy deposit tables | |
662 | Int_t i; | |
663 | for(i=0;i<fEventEnergy.GetSize();i++) | |
664 | { | |
665 | fSummEnergy[i]+=fEventEnergy[i]; | |
666 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
667 | } | |
668 | ||
33c3c91a | 669 | AliRunLoader *runloader=AliRunLoader::Instance(); |
5d12ce38 | 670 | |
671 | AliHeader* header = runloader->GetHeader(); | |
672 | AliStack* stack = runloader->Stack(); | |
673 | if ( (header == 0x0) || (stack == 0x0) ) | |
674 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 675 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 676 | return;//never reached |
677 | } | |
678 | // Update Header information | |
679 | header->SetNprimary(stack->GetNprimary()); | |
680 | header->SetNtrack(stack->GetNtrack()); | |
681 | ||
5d12ce38 | 682 | // Write out the kinematics |
3e2e3ece | 683 | if (!AliSimulation::Instance()->Lego()) stack->FinishEvent(); |
3cac0921 | 684 | |
685 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 686 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 687 | |
688 | // Write out the event Header information | |
689 | TTree* treeE = runloader->TreeE(); | |
690 | if (treeE) | |
691 | { | |
692 | header->SetStack(stack); | |
693 | treeE->Fill(); | |
694 | } | |
695 | else | |
696 | { | |
21bf7095 | 697 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 698 | } |
699 | ||
3e2e3ece | 700 | if(AliSimulation::Instance()->Lego() == 0x0) |
504b172d | 701 | { |
702 | runloader->WriteKinematics("OVERWRITE"); | |
703 | runloader->WriteTrackRefs("OVERWRITE"); | |
704 | runloader->WriteHits("OVERWRITE"); | |
705 | } | |
706 | ||
21bf7095 | 707 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
708 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
709 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
710 | AliDebug(1, " FINISHING EVENT "); | |
711 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
712 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
713 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 714 | } |
715 | ||
5d12ce38 | 716 | //_______________________________________________________________________ |
717 | void AliMC::Init() | |
718 | { | |
d0d4a6b3 | 719 | // MC initialization |
5d12ce38 | 720 | |
721 | //=================Create Materials and geometry | |
722 | gMC->Init(); | |
4e889ff4 | 723 | // Set alignable volumes for the whole geometry (with old root) |
724 | #if ROOT_VERSION_CODE < 331527 | |
725 | SetAllAlignableVolumes(); | |
726 | #endif | |
5d12ce38 | 727 | //Read the cuts for all materials |
728 | ReadTransPar(); | |
729 | //Build the special IMEDIA table | |
730 | MediaTable(); | |
731 | ||
732 | //Compute cross-sections | |
733 | gMC->BuildPhysics(); | |
734 | ||
5d12ce38 | 735 | //Initialise geometry deposition table |
736 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
737 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
738 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
739 | ||
5d12ce38 | 740 | // Register MC in configuration |
741 | AliConfig::Instance()->Add(gMC); | |
742 | ||
743 | } | |
744 | ||
745 | //_______________________________________________________________________ | |
746 | void AliMC::MediaTable() | |
747 | { | |
748 | // | |
749 | // Built media table to get from the media number to | |
750 | // the detector id | |
751 | // | |
752 | ||
753 | Int_t kz, nz, idt, lz, i, k, ind; | |
754 | // Int_t ibeg; | |
755 | TObjArray &dets = *gAlice->Detectors(); | |
756 | AliModule *det; | |
757 | Int_t ndets=gAlice->GetNdets(); | |
758 | // | |
759 | // For all detectors | |
760 | for (kz=0;kz<ndets;kz++) { | |
761 | // If detector is defined | |
762 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
763 | TArrayI &idtmed = *(det->GetIdtmed()); | |
764 | for(nz=0;nz<100;nz++) { | |
0561efeb | 765 | |
5d12ce38 | 766 | // Find max and min material number |
767 | if((idt=idtmed[nz])) { | |
768 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
769 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
770 | } | |
771 | } | |
772 | if(det->LoMedium() > det->HiMedium()) { | |
773 | det->LoMedium() = 0; | |
774 | det->HiMedium() = 0; | |
775 | } else { | |
776 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 777 | AliError(Form("Increase fImedia from %d to %d", |
778 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 779 | return; |
780 | } | |
781 | // Tag all materials in rage as belonging to detector kz | |
782 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
783 | (*fImedia)[lz]=kz; | |
784 | } | |
785 | } | |
786 | } | |
787 | } | |
788 | // | |
789 | // Print summary table | |
21bf7095 | 790 | AliInfo("Tracking media ranges:"); |
791 | ToAliInfo( | |
5d12ce38 | 792 | for(i=0;i<(ndets-1)/6+1;i++) { |
793 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
794 | ind=i*6+k; | |
795 | det=dynamic_cast<AliModule*>(dets[ind]); | |
796 | if(det) | |
797 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
798 | det->HiMedium()); | |
799 | else | |
800 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
801 | } | |
802 | printf("\n"); | |
803 | } | |
21bf7095 | 804 | ) |
5d12ce38 | 805 | } |
806 | ||
807 | //_______________________________________________________________________ | |
808 | void AliMC::ReadTransPar() | |
809 | { | |
810 | // | |
811 | // Read filename to set the transport parameters | |
812 | // | |
813 | ||
814 | ||
815 | const Int_t kncuts=10; | |
61721f6c | 816 | const Int_t knflags=12; |
5d12ce38 | 817 | const Int_t knpars=kncuts+knflags; |
818 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
819 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
820 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
61721f6c | 821 | "MULS","PAIR","PHOT","RAYL","STRA"}; |
5d12ce38 | 822 | char line[256]; |
823 | char detName[7]; | |
824 | char* filtmp; | |
825 | Float_t cut[kncuts]; | |
826 | Int_t flag[knflags]; | |
827 | Int_t i, itmed, iret, ktmed, kz; | |
828 | FILE *lun; | |
829 | // | |
830 | // See whether the file is there | |
831 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
832 | lun=fopen(filtmp,"r"); | |
833 | delete [] filtmp; | |
834 | if(!lun) { | |
21bf7095 | 835 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 836 | return; |
837 | } | |
838 | // | |
5d12ce38 | 839 | while(1) { |
840 | // Initialise cuts and flags | |
841 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
842 | for(i=0;i<knflags;i++) flag[i]=-99; | |
843 | itmed=0; | |
844 | for(i=0;i<256;i++) line[i]='\0'; | |
845 | // Read up to the end of line excluded | |
846 | iret=fscanf(lun,"%[^\n]",line); | |
847 | if(iret<0) { | |
848 | //End of file | |
849 | fclose(lun); | |
5d12ce38 | 850 | return; |
851 | } | |
852 | // Read the end of line | |
853 | fscanf(lun,"%*c"); | |
854 | if(!iret) continue; | |
855 | if(line[0]=='*') continue; | |
856 | // Read the numbers | |
61721f6c | 857 | 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 %d", |
5d12ce38 | 858 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], |
859 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
61721f6c | 860 | &flag[8],&flag[9],&flag[10],&flag[11]); |
5d12ce38 | 861 | if(!iret) continue; |
862 | if(iret<0) { | |
863 | //reading error | |
21bf7095 | 864 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 865 | continue; |
866 | } | |
867 | // Check that the module exist | |
868 | AliModule *mod = gAlice->GetModule(detName); | |
869 | if(mod) { | |
870 | // Get the array of media numbers | |
871 | TArrayI &idtmed = *mod->GetIdtmed(); | |
872 | // Check that the tracking medium code is valid | |
873 | if(0<=itmed && itmed < 100) { | |
874 | ktmed=idtmed[itmed]; | |
875 | if(!ktmed) { | |
21bf7095 | 876 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 877 | continue; |
878 | } | |
879 | // Set energy thresholds | |
880 | for(kz=0;kz<kncuts;kz++) { | |
881 | if(cut[kz]>=0) { | |
21bf7095 | 882 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
883 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 884 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
885 | } | |
886 | } | |
887 | // Set transport mechanisms | |
888 | for(kz=0;kz<knflags;kz++) { | |
889 | if(flag[kz]>=0) { | |
21bf7095 | 890 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
891 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 892 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
893 | } | |
894 | } | |
895 | } else { | |
21bf7095 | 896 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 897 | continue; |
898 | } | |
899 | } else { | |
21bf7095 | 900 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 901 | continue; |
902 | } | |
903 | } | |
904 | } | |
905 | ||
906 | //_______________________________________________________________________ | |
907 | void AliMC::SetTransPar(const char *filename) | |
908 | { | |
909 | // | |
910 | // Sets the file name for transport parameters | |
911 | // | |
912 | fTransParName = filename; | |
913 | } | |
914 | ||
5d12ce38 | 915 | //_______________________________________________________________________ |
916 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
917 | { | |
918 | // | |
919 | // Add a hit to detector id | |
920 | // | |
921 | TObjArray &dets = *gAlice->Modules(); | |
922 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
923 | } | |
924 | ||
925 | //_______________________________________________________________________ | |
926 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
927 | { | |
928 | // | |
929 | // Add digit to detector id | |
930 | // | |
931 | TObjArray &dets = *gAlice->Modules(); | |
932 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
933 | } | |
934 | ||
935 | //_______________________________________________________________________ | |
936 | Int_t AliMC::GetCurrentTrackNumber() const { | |
937 | // | |
938 | // Returns current track | |
939 | // | |
33c3c91a | 940 | return AliRunLoader::Instance()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 941 | } |
942 | ||
943 | //_______________________________________________________________________ | |
944 | void AliMC::DumpPart (Int_t i) const | |
945 | { | |
946 | // | |
947 | // Dumps particle i in the stack | |
948 | // | |
33c3c91a | 949 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 950 | if (runloader->Stack()) |
951 | runloader->Stack()->DumpPart(i); | |
952 | } | |
953 | ||
954 | //_______________________________________________________________________ | |
955 | void AliMC::DumpPStack () const | |
956 | { | |
957 | // | |
958 | // Dumps the particle stack | |
959 | // | |
33c3c91a | 960 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 961 | if (runloader->Stack()) |
962 | runloader->Stack()->DumpPStack(); | |
963 | } | |
964 | ||
965 | //_______________________________________________________________________ | |
966 | Int_t AliMC::GetNtrack() const { | |
967 | // | |
968 | // Returns number of tracks in stack | |
969 | // | |
970 | Int_t ntracks = -1; | |
33c3c91a | 971 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 972 | if (runloader->Stack()) |
973 | ntracks = runloader->Stack()->GetNtrack(); | |
974 | return ntracks; | |
975 | } | |
976 | ||
977 | //_______________________________________________________________________ | |
978 | Int_t AliMC::GetPrimary(Int_t track) const | |
979 | { | |
980 | // | |
981 | // return number of primary that has generated track | |
982 | // | |
983 | Int_t nprimary = -999; | |
33c3c91a | 984 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 985 | if (runloader->Stack()) |
986 | nprimary = runloader->Stack()->GetPrimary(track); | |
987 | return nprimary; | |
988 | } | |
989 | ||
990 | //_______________________________________________________________________ | |
991 | TParticle* AliMC::Particle(Int_t i) const | |
992 | { | |
d0d4a6b3 | 993 | // Returns the i-th particle from the stack taking into account |
994 | // the remaping done by PurifyKine | |
33c3c91a | 995 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 996 | if (runloader) |
997 | if (runloader->Stack()) | |
998 | return runloader->Stack()->Particle(i); | |
999 | return 0x0; | |
1000 | } | |
1001 | ||
1002 | //_______________________________________________________________________ | |
6c753956 | 1003 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 1004 | // |
1005 | // Returns pointer to Particles array | |
1006 | // | |
33c3c91a | 1007 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1008 | if (runloader) |
1009 | if (runloader->Stack()) | |
1010 | return runloader->Stack()->Particles(); | |
1011 | return 0x0; | |
1012 | } | |
1013 | ||
1014 | //_______________________________________________________________________ | |
3e2e3ece | 1015 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, const Float_t *pmom, |
1016 | const Float_t *vpos, const Float_t *polar, Float_t tof, | |
2057aecb | 1017 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1018 | { |
1019 | // Delegate to stack | |
1020 | // | |
33c3c91a | 1021 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1022 | if (runloader) |
1023 | if (runloader->Stack()) | |
1024 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
1025 | mech, ntr, weight, is); | |
1026 | } | |
1027 | ||
1028 | //_______________________________________________________________________ | |
1029 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
1030 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
1031 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
1032 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 1033 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 1034 | { |
1035 | // Delegate to stack | |
1036 | // | |
33c3c91a | 1037 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1038 | if (runloader) |
1039 | if (runloader->Stack()) | |
1040 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1041 | polx, poly, polz, mech, ntr, weight, is); | |
1042 | } | |
1043 | ||
1044 | //_______________________________________________________________________ | |
2057aecb | 1045 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1046 | { |
1047 | // | |
1048 | // Set high water mark for last track in event | |
33c3c91a | 1049 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1050 | if (runloader) |
1051 | if (runloader->Stack()) | |
1052 | runloader->Stack()->SetHighWaterMark(nt); | |
1053 | } | |
1054 | ||
1055 | //_______________________________________________________________________ | |
2057aecb | 1056 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1057 | { |
1058 | // | |
1059 | // Delegate to stack | |
1060 | // | |
33c3c91a | 1061 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1062 | if (runloader) |
1063 | if (runloader->Stack()) | |
1064 | runloader->Stack()->KeepTrack(track); | |
1065 | } | |
1066 | ||
1067 | //_______________________________________________________________________ | |
2057aecb | 1068 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1069 | { |
1070 | // Delegate to stack | |
1071 | // | |
33c3c91a | 1072 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1073 | if (runloader) |
1074 | if (runloader->Stack()) | |
1075 | runloader->Stack()->FlagTrack(track); | |
1076 | } | |
1077 | ||
1078 | //_______________________________________________________________________ | |
2057aecb | 1079 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1080 | { |
1081 | // | |
1082 | // Set current track number | |
1083 | // | |
33c3c91a | 1084 | AliRunLoader * runloader = AliRunLoader::Instance(); |
5d12ce38 | 1085 | if (runloader) |
1086 | if (runloader->Stack()) | |
1087 | runloader->Stack()->SetCurrentTrack(track); | |
1088 | } | |
1089 | ||
1090 | //_______________________________________________________________________ | |
9ac3aec9 | 1091 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1092 | { | |
5d12ce38 | 1093 | // |
1094 | // add a trackrefernce to the list | |
9ac3aec9 | 1095 | Int_t primary = GetPrimary(label); |
1096 | Particle(primary)->SetBit(kKeepBit); | |
1097 | ||
fd650020 | 1098 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1099 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1100 | } |
1101 | ||
1102 | ||
1103 | ||
1104 | //_______________________________________________________________________ | |
1105 | void AliMC::ResetTrackReferences() | |
1106 | { | |
1107 | // | |
1108 | // Reset all references | |
1109 | // | |
fd650020 | 1110 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1111 | } |
1112 | ||
dde0a601 | 1113 | //_______________________________________________________________________ |
5d12ce38 | 1114 | void AliMC::RemapTrackReferencesIDs(Int_t *map) |
1115 | { | |
1116 | // | |
1117 | // Remapping track reference | |
1118 | // Called at finish primary | |
1119 | // | |
fd650020 | 1120 | |
1121 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1122 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1123 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1124 | if (ref) { |
1125 | Int_t newID = map[ref->GetTrack()]; | |
1126 | if (newID>=0) ref->SetTrack(newID); | |
1127 | else { | |
1128 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1129 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1130 | } |
1131 | } // if ref | |
5d12ce38 | 1132 | } |
fd650020 | 1133 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1134 | } |
0561efeb | 1135 | |
dde0a601 | 1136 | //_______________________________________________________________________ |
0561efeb | 1137 | void AliMC::FixParticleDecaytime() |
1138 | { | |
1139 | // | |
1140 | // Fix the particle decay time according to rmin and rmax for decays | |
1141 | // | |
1142 | ||
1143 | TLorentzVector p; | |
1144 | gMC->TrackMomentum(p); | |
1145 | Double_t tmin, tmax; | |
1146 | Double_t b; | |
1147 | ||
1148 | // Transverse velocity | |
1149 | Double_t vt = p.Pt() / p.E(); | |
1150 | ||
f7a1cc68 | 1151 | if ((b = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->SolenoidField()) > 0.) { // [kG] |
0561efeb | 1152 | |
1153 | // Radius of helix | |
1154 | ||
1155 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1156 | ||
1157 | // Revolution frequency | |
1158 | ||
1159 | Double_t omega = vt / rho; | |
1160 | ||
1161 | // Maximum and minimum decay time | |
1162 | // | |
1163 | // Check for curlers first | |
bfd20868 | 1164 | const Double_t kOvRhoSqr2 = 1./(rho*TMath::Sqrt(2.)); |
1165 | if (fRDecayMax * kOvRhoSqr2 > 1.) return; | |
0561efeb | 1166 | |
1167 | // | |
1168 | ||
bfd20868 | 1169 | tmax = TMath::ACos((1.-fRDecayMax*kOvRhoSqr2)*(1.+fRDecayMax*kOvRhoSqr2)) / omega; // [ct] |
ec29d701 | 1170 | tmin = TMath::ACos((1.-fRDecayMin*kOvRhoSqr2)*(1.+fRDecayMin*kOvRhoSqr2)) / omega; // [ct] |
0561efeb | 1171 | } else { |
1172 | tmax = fRDecayMax / vt; // [ct] | |
1173 | tmin = fRDecayMin / vt; // [ct] | |
1174 | } | |
1175 | ||
1176 | // | |
1177 | // Dial t using the two limits | |
1178 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1179 | // | |
1180 | // | |
1181 | // Force decay time in transport code | |
1182 | // | |
fa7ca4da | 1183 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1184 | } |
3cac0921 | 1185 | |
1186 | void AliMC::MakeTmpTrackRefsTree() | |
1187 | { | |
1188 | // Make the temporary track reference tree | |
1189 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1190 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1191 | TClonesArray* pRef = &fTmpTrackReferences; |
fda9d714 | 1192 | fTmpTreeTR->Branch("TrackReferences", &pRef, 4000); |
3cac0921 | 1193 | } |
1194 | ||
dde0a601 | 1195 | //_______________________________________________________________________ |
3cac0921 | 1196 | void AliMC::ReorderAndExpandTreeTR() |
1197 | { | |
1198 | // | |
1199 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1200 | // | |
1201 | ||
33c3c91a | 1202 | AliRunLoader *rl = AliRunLoader::Instance(); |
3cac0921 | 1203 | // |
1204 | // TreeTR | |
1205 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1206 | rl->MakeTrackRefsContainer(); | |
1207 | TTree * treeTR = rl->TreeTR(); | |
1208 | if (treeTR){ | |
1209 | // make branch for central track references | |
3cac0921 | 1210 | TBranch *branch; |
fd650020 | 1211 | TClonesArray* pRef = &fTrackReferences; |
1212 | branch = treeTR->Branch("TrackReferences", &pRef); | |
3cac0921 | 1213 | } |
1214 | ||
1215 | AliStack* stack = rl->Stack(); | |
1216 | Int_t np = stack->GetNprimary(); | |
1217 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1218 | // |
1219 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1220 | Int_t ifills = 0; |
1221 | Int_t it = 0; | |
1222 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1223 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1224 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1225 | |
5ce21fc4 | 1226 | // Skip primaries that have not been transported |
3cac0921 | 1227 | Int_t dau1 = part->GetFirstDaughter(); |
1228 | Int_t dau2 = -1; | |
f4414561 | 1229 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1230 | // |
1231 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1232 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1233 | // Determine range of secondaries produced by this primary |
3cac0921 | 1234 | if (dau1 > -1) { |
5ce21fc4 | 1235 | Int_t inext = ip - 1; |
3cac0921 | 1236 | while (dau2 < 0) { |
1237 | if (inext >= 0) { | |
1238 | part = stack->Particle(inext); | |
5ce21fc4 | 1239 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1240 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1241 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1242 | dau2 = -1; |
1243 | } else { | |
1244 | dau2--; | |
1245 | } | |
3cac0921 | 1246 | } else { |
1247 | dau2 = stack->GetNtrack() - 1; | |
1248 | } | |
1249 | inext--; | |
5ce21fc4 | 1250 | } // find upper bound |
1251 | } // dau2 < 0 | |
2c4e7c77 | 1252 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1253 | // |
1254 | // Loop over reference hits and find secondary label | |
1255 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1256 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1257 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1258 | Int_t label = tr->Label(); |
5ce21fc4 | 1259 | // Skip primaries |
1260 | if (label == ip) continue; | |
2c4e7c77 | 1261 | if (label > dau2 || label < dau1) |
1262 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1263 | if (label == id) { |
1264 | // secondary found | |
fd650020 | 1265 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1266 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1267 | } |
1268 | } // hits | |
1269 | treeTR->Fill(); | |
fd650020 | 1270 | fTrackReferences.Clear(); |
5ce21fc4 | 1271 | ifills++; |
3cac0921 | 1272 | } // daughters |
1273 | } // tracks | |
3cac0921 | 1274 | // |
1275 | // Now loop again and write the primaries | |
5ce21fc4 | 1276 | it = nt - 1; |
1277 | for (Int_t ip = 0; ip < np; ip++) { | |
1278 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1279 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1280 | if (part->TestBit(kTransportBit)) |
f4414561 | 1281 | { |
5ce21fc4 | 1282 | // Skip particles that have not been transported |
1283 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1284 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1285 | // |
1286 | // Loop over reference hits and find primary labels | |
1287 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1288 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1289 | Int_t label = tr->Label(); |
1290 | if (label == ip) { | |
fd650020 | 1291 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1292 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1293 | } |
1294 | } | |
3cac0921 | 1295 | } |
1296 | treeTR->Fill(); | |
fd650020 | 1297 | fTrackReferences.Clear(); |
5ce21fc4 | 1298 | ifills++; |
3cac0921 | 1299 | } // tracks |
5ce21fc4 | 1300 | // Check |
1301 | if (ifills != stack->GetNtrack()) | |
1302 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1303 | // |
1304 | // Clean-up | |
1305 | delete fTmpTreeTR; | |
1306 | fTmpFileTR->Close(); | |
1307 | delete fTmpFileTR; | |
fd650020 | 1308 | fTmpTrackReferences.Clear(); |
3cac0921 | 1309 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1310 | } | |
1311 |