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5d12ce38 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
d0d4a6b3 | 18 | // This class is extracted from the AliRun class |
19 | // and contains all the MC-related functionality | |
20 | // The number of dependencies has to be reduced... | |
21 | // Author: F.Carminati | |
22 | // Federico.Carminati@cern.ch | |
23 | ||
c75cfb51 | 24 | #include <RVersion.h> |
5d12ce38 | 25 | #include <TBrowser.h> |
7ca4655f | 26 | #include <TClonesArray.h> |
27 | #include <TGeoManager.h> | |
5d12ce38 | 28 | #include <TStopwatch.h> |
29 | #include <TSystem.h> | |
30 | #include <TVirtualMC.h> | |
9ac3aec9 | 31 | #include <TParticle.h> |
ced249e6 | 32 | #include <TROOT.h> |
3cac0921 | 33 | #include <TFile.h> |
b60e0f5e | 34 | |
21bf7095 | 35 | #include "AliLog.h" |
5d12ce38 | 36 | #include "AliDetector.h" |
37 | #include "AliGenerator.h" | |
38 | #include "AliHeader.h" | |
39 | #include "AliLego.h" | |
40 | #include "AliMC.h" | |
5d12ce38 | 41 | #include "AliRun.h" |
942a9039 | 42 | #include "AliHit.h" |
5d12ce38 | 43 | #include "AliStack.h" |
0561efeb | 44 | #include "AliMagF.h" |
5d12ce38 | 45 | #include "AliTrackReference.h" |
39b3f8ba | 46 | #include "AliSimulation.h" |
392808e8 | 47 | #include "AliGeomManager.h" |
ced249e6 | 48 | #include "AliCDBManager.h" |
49 | #include "AliCDBStorage.h" | |
50 | #include "AliCDBEntry.h" | |
5d12ce38 | 51 | |
52 | ||
53 | ClassImp(AliMC) | |
54 | ||
55 | //_______________________________________________________________________ | |
56 | AliMC::AliMC() : | |
57 | fGenerator(0), | |
58 | fEventEnergy(0), | |
59 | fSummEnergy(0), | |
60 | fSum2Energy(0), | |
61 | fTrRmax(1.e10), | |
62 | fTrZmax(1.e10), | |
90e48c0c | 63 | fRDecayMax(1.e10), |
38ca2ad6 | 64 | fRDecayMin(-1.), |
90e48c0c | 65 | fDecayPdg(0), |
5d12ce38 | 66 | fImedia(0), |
67 | fTransParName("\0"), | |
5d12ce38 | 68 | fHitLists(0), |
3cac0921 | 69 | fTmpTreeTR(0), |
70 | fTmpFileTR(0), | |
fd650020 | 71 | fTrackReferences(), |
72 | fTmpTrackReferences() | |
5d12ce38 | 73 | |
74 | { | |
d0d4a6b3 | 75 | //default constructor |
0561efeb | 76 | DecayLimits(); |
5d12ce38 | 77 | } |
78 | ||
79 | //_______________________________________________________________________ | |
80 | AliMC::AliMC(const char *name, const char *title) : | |
81 | TVirtualMCApplication(name, title), | |
82 | fGenerator(0), | |
83 | fEventEnergy(0), | |
84 | fSummEnergy(0), | |
85 | fSum2Energy(0), | |
86 | fTrRmax(1.e10), | |
87 | fTrZmax(1.e10), | |
90e48c0c | 88 | fRDecayMax(1.e10), |
38ca2ad6 | 89 | fRDecayMin(-1.), |
90e48c0c | 90 | fDecayPdg(0), |
5d12ce38 | 91 | fImedia(new TArrayI(1000)), |
92 | fTransParName("\0"), | |
5d12ce38 | 93 | fHitLists(new TList()), |
3cac0921 | 94 | fTmpTreeTR(0), |
95 | fTmpFileTR(0), | |
fd650020 | 96 | fTrackReferences("AliTrackReference", 100), |
97 | fTmpTrackReferences("AliTrackReference", 100) | |
5d12ce38 | 98 | { |
d0d4a6b3 | 99 | //constructor |
5d12ce38 | 100 | // Set transport parameters |
101 | SetTransPar(); | |
0561efeb | 102 | DecayLimits(); |
5d12ce38 | 103 | // Prepare the tracking medium lists |
104 | for(Int_t i=0;i<1000;i++) (*fImedia)[i]=-99; | |
5d12ce38 | 105 | } |
106 | ||
5d12ce38 | 107 | //_______________________________________________________________________ |
108 | AliMC::~AliMC() | |
109 | { | |
d0d4a6b3 | 110 | //destructor |
5d12ce38 | 111 | delete fGenerator; |
112 | delete fImedia; | |
5d12ce38 | 113 | delete fHitLists; |
114 | // Delete track references | |
5d12ce38 | 115 | } |
116 | ||
5d12ce38 | 117 | //_______________________________________________________________________ |
118 | void AliMC::ConstructGeometry() | |
119 | { | |
120 | // | |
4a9de4af | 121 | // Either load geometry from file or create it through usual |
122 | // loop on detectors. In the first case the method | |
123 | // AliModule::CreateMaterials() only builds fIdtmed and is postponed | |
124 | // at InitGeometry(). | |
5d12ce38 | 125 | // |
126 | ||
ced249e6 | 127 | if(gAlice->IsRootGeometry()){ //load geometry either from CDB or from file |
128 | if(gAlice->IsGeomFromCDB()){ | |
129 | AliInfo("Loading geometry from CDB default storage"); | |
130 | AliCDBPath path("GRP","Geometry","Data"); | |
131 | AliCDBEntry *entry=AliCDBManager::Instance()->Get(path.GetPath()); | |
132 | if(!entry) AliFatal("Unable to load geometry from CDB!"); | |
133 | entry->SetOwner(0); | |
134 | gGeoManager = (TGeoManager*) entry->GetObject(); | |
135 | if (!gGeoManager) AliFatal("TGeoManager object not found in the specified CDB entry!"); | |
4a9de4af | 136 | }else{ |
ced249e6 | 137 | // Load geometry |
138 | const char *geomfilename = gAlice->GetGeometryFileName(); | |
139 | if(gSystem->ExpandPathName(geomfilename)){ | |
140 | AliInfo(Form("Loading geometry from file:\n %40s",geomfilename)); | |
141 | TGeoManager::Import(geomfilename); | |
142 | }else{ | |
143 | AliInfo(Form("Geometry file %40s not found!\n",geomfilename)); | |
144 | return; | |
145 | } | |
4a9de4af | 146 | } |
147 | }else{ | |
148 | // Create modules, materials, geometry | |
5d12ce38 | 149 | TStopwatch stw; |
150 | TIter next(gAlice->Modules()); | |
151 | AliModule *detector; | |
21bf7095 | 152 | AliDebug(1, "Geometry creation:"); |
5d12ce38 | 153 | while((detector = dynamic_cast<AliModule*>(next()))) { |
154 | stw.Start(); | |
155 | // Initialise detector materials and geometry | |
156 | detector->CreateMaterials(); | |
157 | detector->CreateGeometry(); | |
21bf7095 | 158 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
159 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
5d12ce38 | 160 | } |
4a9de4af | 161 | } |
162 | ||
5d12ce38 | 163 | } |
164 | ||
39b3f8ba | 165 | //_______________________________________________________________________ |
166 | Bool_t AliMC::MisalignGeometry() | |
167 | { | |
168 | // Call misalignment code if AliSimulation object was defined. | |
0717eed2 | 169 | |
ced249e6 | 170 | if(!gAlice->IsRootGeometry()){ |
171 | //Set alignable volumes for the whole geometry | |
172 | SetAllAlignableVolumes(); | |
173 | } | |
0717eed2 | 174 | // Misalign geometry via AliSimulation instance |
39b3f8ba | 175 | if (!AliSimulation::GetInstance()) return kFALSE; |
392808e8 | 176 | AliGeomManager::SetGeometry(gGeoManager); |
ff5970a3 | 177 | if(!AliGeomManager::CheckSymNamesLUT("ALL")) |
0bf7aade | 178 | AliFatal("Current loaded geometry differs in the definition of symbolic names!"); |
179 | ||
d3b3a3b2 | 180 | return AliSimulation::GetInstance()->MisalignGeometry(AliRunLoader::GetRunLoader()); |
39b3f8ba | 181 | } |
182 | ||
661663fa | 183 | //_______________________________________________________________________ |
184 | void AliMC::ConstructOpGeometry() | |
185 | { | |
186 | // | |
187 | // Loop all detector modules and call DefineOpticalProperties() method | |
188 | // | |
189 | ||
190 | TIter next(gAlice->Modules()); | |
191 | AliModule *detector; | |
192 | AliInfo("Optical properties definition"); | |
193 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
194 | // Initialise detector optical properties | |
195 | detector->DefineOpticalProperties(); | |
196 | } | |
197 | } | |
198 | ||
5d12ce38 | 199 | //_______________________________________________________________________ |
200 | void AliMC::InitGeometry() | |
201 | { | |
202 | // | |
27cf3cdc | 203 | // Initialize detectors |
5d12ce38 | 204 | // |
205 | ||
4a9de4af | 206 | AliInfo("Initialisation:"); |
207 | TStopwatch stw; | |
208 | TIter next(gAlice->Modules()); | |
209 | AliModule *detector; | |
210 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
211 | stw.Start(); | |
27cf3cdc | 212 | // Initialise detector geometry |
4a9de4af | 213 | if(gAlice->IsRootGeometry()) detector->CreateMaterials(); |
214 | detector->Init(); | |
4a9de4af | 215 | AliInfo(Form("%10s R:%.2fs C:%.2fs", |
216 | detector->GetName(),stw.RealTime(),stw.CpuTime())); | |
217 | } | |
4787b401 | 218 | } |
219 | ||
220 | //_______________________________________________________________________ | |
221 | void AliMC::SetAllAlignableVolumes() | |
222 | { | |
223 | // | |
224 | // Add alignable volumes (TGeoPNEntries) looping on all | |
225 | // active modules | |
226 | // | |
227 | ||
228 | AliInfo(Form("Setting entries for all alignable volumes of active detectors")); | |
229 | AliModule *detector; | |
230 | TIter next(gAlice->Modules()); | |
231 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
232 | detector->AddAlignableVolumes(); | |
233 | } | |
5d12ce38 | 234 | } |
235 | ||
236 | //_______________________________________________________________________ | |
2057aecb | 237 | void AliMC::GeneratePrimaries() |
5d12ce38 | 238 | { |
239 | // | |
240 | // Generate primary particles and fill them in the stack. | |
241 | // | |
242 | ||
243 | Generator()->Generate(); | |
244 | } | |
245 | ||
246 | //_______________________________________________________________________ | |
247 | void AliMC::SetGenerator(AliGenerator *generator) | |
248 | { | |
249 | // | |
250 | // Load the event generator | |
251 | // | |
252 | if(!fGenerator) fGenerator = generator; | |
253 | } | |
254 | ||
255 | //_______________________________________________________________________ | |
256 | void AliMC::ResetGenerator(AliGenerator *generator) | |
257 | { | |
258 | // | |
259 | // Load the event generator | |
260 | // | |
9a213abc | 261 | if(fGenerator) { |
262 | if(generator) { | |
21bf7095 | 263 | AliWarning(Form("Replacing generator %s with %s", |
9a213abc | 264 | fGenerator->GetName(),generator->GetName())); |
265 | } | |
266 | else { | |
21bf7095 | 267 | AliWarning(Form("Replacing generator %s with NULL", |
268 | fGenerator->GetName())); | |
9a213abc | 269 | } |
270 | } | |
5d12ce38 | 271 | fGenerator = generator; |
272 | } | |
273 | ||
274 | //_______________________________________________________________________ | |
275 | void AliMC::FinishRun() | |
276 | { | |
277 | // Clean generator information | |
21bf7095 | 278 | AliDebug(1, "fGenerator->FinishRun()"); |
5d12ce38 | 279 | fGenerator->FinishRun(); |
280 | ||
281 | //Output energy summary tables | |
21bf7095 | 282 | AliDebug(1, "EnergySummary()"); |
283 | ToAliDebug(1, EnergySummary()); | |
5d12ce38 | 284 | } |
285 | ||
286 | //_______________________________________________________________________ | |
287 | void AliMC::BeginPrimary() | |
288 | { | |
289 | // | |
290 | // Called at the beginning of each primary track | |
291 | // | |
292 | ||
293 | // Reset Hits info | |
294 | ResetHits(); | |
295 | ResetTrackReferences(); | |
5d12ce38 | 296 | } |
297 | ||
298 | //_______________________________________________________________________ | |
299 | void AliMC::PreTrack() | |
300 | { | |
d0d4a6b3 | 301 | // Actions before the track's transport |
5d12ce38 | 302 | TObjArray &dets = *gAlice->Modules(); |
303 | AliModule *module; | |
304 | ||
305 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
306 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
307 | module->PreTrack(); | |
308 | ||
5d12ce38 | 309 | } |
310 | ||
311 | //_______________________________________________________________________ | |
312 | void AliMC::Stepping() | |
313 | { | |
314 | // | |
315 | // Called at every step during transport | |
316 | // | |
38ca2ad6 | 317 | Int_t id = DetFromMate(gMC->CurrentMedium()); |
5d12ce38 | 318 | if (id < 0) return; |
319 | ||
0561efeb | 320 | |
321 | if ( gMC->IsNewTrack() && | |
322 | gMC->TrackTime() == 0. && | |
38ca2ad6 | 323 | fRDecayMin >= 0. && |
0561efeb | 324 | fRDecayMax > fRDecayMin && |
325 | gMC->TrackPid() == fDecayPdg ) | |
326 | { | |
327 | FixParticleDecaytime(); | |
328 | } | |
329 | ||
330 | ||
331 | ||
5d12ce38 | 332 | // |
333 | // --- If lego option, do it and leave | |
334 | if (gAlice->Lego()) | |
335 | gAlice->Lego()->StepManager(); | |
336 | else { | |
337 | Int_t copy; | |
338 | //Update energy deposition tables | |
339 | AddEnergyDeposit(gMC->CurrentVolID(copy),gMC->Edep()); | |
ab03c084 | 340 | // |
341 | // write tracke reference for track which is dissapearing - MI | |
faad98df | 342 | |
343 | if (gMC->IsTrackDisappeared() && !(gMC->IsTrackAlive())) { | |
344 | if (gMC->Etot() > 0.05) AddTrackReference(GetCurrentTrackNumber(), | |
9ac3aec9 | 345 | AliTrackReference::kDisappeared); |
faad98df | 346 | |
347 | ||
b60e0f5e | 348 | } |
faad98df | 349 | |
5d12ce38 | 350 | //Call the appropriate stepping routine; |
351 | AliModule *det = dynamic_cast<AliModule*>(gAlice->Modules()->At(id)); | |
352 | if(det && det->StepManagerIsEnabled()) { | |
5d12ce38 | 353 | det->StepManager(); |
354 | } | |
355 | } | |
356 | } | |
357 | ||
358 | //_______________________________________________________________________ | |
359 | void AliMC::EnergySummary() | |
360 | { | |
9ac3aec9 | 361 | //e |
5d12ce38 | 362 | // Print summary of deposited energy |
363 | // | |
364 | ||
365 | Int_t ndep=0; | |
366 | Float_t edtot=0; | |
367 | Float_t ed, ed2; | |
368 | Int_t kn, i, left, j, id; | |
369 | const Float_t kzero=0; | |
d3b3a3b2 | 370 | Int_t ievent=AliRunLoader::GetRunLoader()->GetHeader()->GetEvent()+1; |
5d12ce38 | 371 | // |
372 | // Energy loss information | |
373 | if(ievent) { | |
374 | printf("***************** Energy Loss Information per event (GEV) *****************\n"); | |
375 | for(kn=1;kn<fEventEnergy.GetSize();kn++) { | |
376 | ed=fSummEnergy[kn]; | |
377 | if(ed>0) { | |
378 | fEventEnergy[ndep]=kn; | |
379 | if(ievent>1) { | |
380 | ed=ed/ievent; | |
381 | ed2=fSum2Energy[kn]; | |
382 | ed2=ed2/ievent; | |
383 | ed2=100*TMath::Sqrt(TMath::Max(ed2-ed*ed,kzero))/ed; | |
384 | } else | |
385 | ed2=99; | |
386 | fSummEnergy[ndep]=ed; | |
387 | fSum2Energy[ndep]=TMath::Min(static_cast<Float_t>(99.),TMath::Max(ed2,kzero)); | |
388 | edtot+=ed; | |
389 | ndep++; | |
390 | } | |
391 | } | |
392 | for(kn=0;kn<(ndep-1)/3+1;kn++) { | |
393 | left=ndep-kn*3; | |
394 | for(i=0;i<(3<left?3:left);i++) { | |
395 | j=kn*3+i; | |
396 | id=Int_t (fEventEnergy[j]+0.1); | |
397 | printf(" %s %10.3f +- %10.3f%%;",gMC->VolName(id),fSummEnergy[j],fSum2Energy[j]); | |
398 | } | |
399 | printf("\n"); | |
400 | } | |
401 | // | |
402 | // Relative energy loss in different detectors | |
403 | printf("******************** Relative Energy Loss per event ********************\n"); | |
404 | printf("Total energy loss per event %10.3f GeV\n",edtot); | |
405 | for(kn=0;kn<(ndep-1)/5+1;kn++) { | |
406 | left=ndep-kn*5; | |
407 | for(i=0;i<(5<left?5:left);i++) { | |
408 | j=kn*5+i; | |
409 | id=Int_t (fEventEnergy[j]+0.1); | |
410 | printf(" %s %10.3f%%;",gMC->VolName(id),100*fSummEnergy[j]/edtot); | |
411 | } | |
412 | printf("\n"); | |
413 | } | |
414 | for(kn=0;kn<75;kn++) printf("*"); | |
415 | printf("\n"); | |
416 | } | |
417 | // | |
418 | // Reset the TArray's | |
419 | // fEventEnergy.Set(0); | |
420 | // fSummEnergy.Set(0); | |
421 | // fSum2Energy.Set(0); | |
422 | } | |
423 | ||
424 | //_____________________________________________________________________________ | |
425 | void AliMC::BeginEvent() | |
426 | { | |
427 | // | |
428 | // Clean-up previous event | |
429 | // Energy scores | |
21bf7095 | 430 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); |
431 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
432 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
433 | AliDebug(1, " BEGINNING EVENT "); | |
434 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
435 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
436 | AliDebug(1, ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"); | |
5d12ce38 | 437 | |
d3b3a3b2 | 438 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
5d12ce38 | 439 | |
440 | /*******************************/ | |
441 | /* Clean after eventual */ | |
442 | /* previous event */ | |
443 | /*******************************/ | |
444 | ||
445 | ||
446 | //Set the next event in Run Loader -> Cleans trees (TreeK and all trees in detectors), | |
447 | gAlice->SetEventNrInRun(gAlice->GetEventNrInRun()+1); | |
448 | runloader->SetEventNumber(gAlice->GetEventNrInRun());// sets new files, cleans the previous event stuff, if necessary, etc., | |
21bf7095 | 449 | AliDebug(1, Form("EventNr is %d",gAlice->GetEventNrInRun())); |
5d12ce38 | 450 | |
451 | fEventEnergy.Reset(); | |
452 | // Clean detector information | |
453 | ||
454 | if (runloader->Stack()) | |
3cac0921 | 455 | runloader->Stack()->Reset();//clean stack -> tree is unloaded |
5d12ce38 | 456 | else |
3cac0921 | 457 | runloader->MakeStack();//or make a new one |
504b172d | 458 | |
9ac3aec9 | 459 | |
3cac0921 | 460 | if(gAlice->Lego() == 0x0) |
461 | { | |
462 | AliDebug(1, "fRunLoader->MakeTree(K)"); | |
463 | runloader->MakeTree("K"); | |
464 | } | |
465 | ||
21bf7095 | 466 | AliDebug(1, "gMC->SetStack(fRunLoader->Stack())"); |
d3b3a3b2 | 467 | gMC->SetStack(runloader->Stack());//Was in InitMC - but was moved here |
5d12ce38 | 468 | //because we don't have guarantee that |
469 | //stack pointer is not going to change from event to event | |
470 | //since it bellobgs to header and is obtained via RunLoader | |
471 | // | |
472 | // Reset all Detectors & kinematics & make/reset trees | |
473 | // | |
474 | ||
8c8fbdcd | 475 | runloader->GetHeader()->Reset(AliCDBManager::Instance()->GetRun(),gAlice->GetEvNumber(), |
3cac0921 | 476 | gAlice->GetEventNrInRun()); |
5d12ce38 | 477 | // fRunLoader->WriteKinematics("OVERWRITE"); is there any reason to rewrite here since MakeTree does so |
478 | ||
504b172d | 479 | if(gAlice->Lego()) |
3cac0921 | 480 | { |
481 | gAlice->Lego()->BeginEvent(); | |
482 | return; | |
483 | } | |
504b172d | 484 | |
5d12ce38 | 485 | |
21bf7095 | 486 | AliDebug(1, "ResetHits()"); |
5d12ce38 | 487 | ResetHits(); |
504b172d | 488 | |
21bf7095 | 489 | AliDebug(1, "fRunLoader->MakeTree(H)"); |
5d12ce38 | 490 | runloader->MakeTree("H"); |
504b172d | 491 | |
5d12ce38 | 492 | |
5d12ce38 | 493 | |
3cac0921 | 494 | MakeTmpTrackRefsTree(); |
5d12ce38 | 495 | //create new branches and SetAdresses |
496 | TIter next(gAlice->Modules()); | |
497 | AliModule *detector; | |
498 | while((detector = (AliModule*)next())) | |
499 | { | |
3cac0921 | 500 | AliDebug(2, Form("%s->MakeBranch(H)",detector->GetName())); |
501 | detector->MakeBranch("H"); | |
5d12ce38 | 502 | } |
503 | } | |
504 | ||
505 | //_______________________________________________________________________ | |
506 | void AliMC::ResetHits() | |
507 | { | |
508 | // | |
509 | // Reset all Detectors hits | |
510 | // | |
511 | TIter next(gAlice->Modules()); | |
512 | AliModule *detector; | |
513 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
514 | detector->ResetHits(); | |
515 | } | |
516 | } | |
517 | ||
518 | //_______________________________________________________________________ | |
519 | void AliMC::PostTrack() | |
520 | { | |
d0d4a6b3 | 521 | // Posts tracks for each module |
4a9de4af | 522 | TObjArray &dets = *gAlice->Modules(); |
523 | AliModule *module; | |
524 | ||
525 | for(Int_t i=0; i<=gAlice->GetNdets(); i++) | |
526 | if((module = dynamic_cast<AliModule*>(dets[i]))) | |
527 | module->PostTrack(); | |
5d12ce38 | 528 | } |
529 | ||
530 | //_______________________________________________________________________ | |
531 | void AliMC::FinishPrimary() | |
532 | { | |
533 | // | |
534 | // Called at the end of each primary track | |
535 | // | |
d3b3a3b2 | 536 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
5d12ce38 | 537 | // static Int_t count=0; |
538 | // const Int_t times=10; | |
539 | // This primary is finished, purify stack | |
c75cfb51 | 540 | #if ROOT_VERSION_CODE > 262152 |
942a9039 | 541 | if (!(gMC->SecondariesAreOrdered())) { |
77db8cbf | 542 | if (runloader->Stack()->ReorderKine()) RemapHits(); |
942a9039 | 543 | } |
c75cfb51 | 544 | #endif |
77db8cbf | 545 | if (runloader->Stack()->PurifyKine()) RemapHits(); |
504b172d | 546 | |
5d12ce38 | 547 | TIter next(gAlice->Modules()); |
548 | AliModule *detector; | |
549 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
550 | detector->FinishPrimary(); | |
504b172d | 551 | AliLoader* loader = detector->GetLoader(); |
552 | if(loader) | |
553 | { | |
554 | TTree* treeH = loader->TreeH(); | |
555 | if (treeH) treeH->Fill(); //can be Lego run and treeH can not exist | |
556 | } | |
5d12ce38 | 557 | } |
558 | ||
559 | // Write out track references if any | |
3cac0921 | 560 | if (fTmpTreeTR) fTmpTreeTR->Fill(); |
5d12ce38 | 561 | } |
562 | ||
942a9039 | 563 | void AliMC::RemapHits() |
564 | { | |
565 | // | |
566 | // Remaps the track labels of the hits | |
d3b3a3b2 | 567 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
942a9039 | 568 | AliStack* stack = runloader->Stack(); |
569 | TList* hitLists = GetHitLists(); | |
570 | TIter next(hitLists); | |
571 | TCollection *hitList; | |
572 | ||
573 | while((hitList = dynamic_cast<TCollection*>(next()))) { | |
574 | TIter nexthit(hitList); | |
575 | AliHit *hit; | |
576 | while((hit = dynamic_cast<AliHit*>(nexthit()))) { | |
577 | hit->SetTrack(stack->TrackLabel(hit->GetTrack())); | |
578 | } | |
579 | } | |
580 | ||
581 | // | |
582 | // This for detectors which have a special mapping mechanism | |
583 | // for hits, such as TPC and TRD | |
584 | // | |
ac2b85c0 | 585 | |
942a9039 | 586 | |
587 | TObjArray* modules = gAlice->Modules(); | |
588 | TIter nextmod(modules); | |
ac2b85c0 | 589 | AliModule *module; |
590 | while((module = (AliModule*) nextmod())) { | |
591 | AliDetector* det = dynamic_cast<AliDetector*> (module); | |
592 | if (det) det->RemapTrackHitIDs(stack->TrackLabelMap()); | |
942a9039 | 593 | } |
594 | // | |
595 | RemapTrackReferencesIDs(stack->TrackLabelMap()); | |
596 | } | |
597 | ||
5d12ce38 | 598 | //_______________________________________________________________________ |
599 | void AliMC::FinishEvent() | |
600 | { | |
601 | // | |
602 | // Called at the end of the event. | |
603 | // | |
604 | ||
605 | // | |
38ca2ad6 | 606 | |
5d12ce38 | 607 | if(gAlice->Lego()) gAlice->Lego()->FinishEvent(); |
608 | ||
609 | TIter next(gAlice->Modules()); | |
610 | AliModule *detector; | |
611 | while((detector = dynamic_cast<AliModule*>(next()))) { | |
612 | detector->FinishEvent(); | |
613 | } | |
614 | ||
615 | //Update the energy deposit tables | |
616 | Int_t i; | |
617 | for(i=0;i<fEventEnergy.GetSize();i++) | |
618 | { | |
619 | fSummEnergy[i]+=fEventEnergy[i]; | |
620 | fSum2Energy[i]+=fEventEnergy[i]*fEventEnergy[i]; | |
621 | } | |
622 | ||
d3b3a3b2 | 623 | AliRunLoader *runloader=AliRunLoader::GetRunLoader(); |
5d12ce38 | 624 | |
625 | AliHeader* header = runloader->GetHeader(); | |
626 | AliStack* stack = runloader->Stack(); | |
627 | if ( (header == 0x0) || (stack == 0x0) ) | |
628 | {//check if we got header and stack. If not cry and exit aliroot | |
21bf7095 | 629 | AliFatal("Can not get the stack or header from LOADER"); |
5d12ce38 | 630 | return;//never reached |
631 | } | |
632 | // Update Header information | |
633 | header->SetNprimary(stack->GetNprimary()); | |
634 | header->SetNtrack(stack->GetNtrack()); | |
635 | ||
5d12ce38 | 636 | // Write out the kinematics |
38ca2ad6 | 637 | if (!gAlice->Lego()) stack->FinishEvent(); |
3cac0921 | 638 | |
639 | // Synchronize the TreeTR with TreeK | |
172bc1fb | 640 | if (fTmpTreeTR) ReorderAndExpandTreeTR(); |
5d12ce38 | 641 | |
642 | // Write out the event Header information | |
643 | TTree* treeE = runloader->TreeE(); | |
644 | if (treeE) | |
645 | { | |
646 | header->SetStack(stack); | |
647 | treeE->Fill(); | |
648 | } | |
649 | else | |
650 | { | |
21bf7095 | 651 | AliError("Can not get TreeE from RL"); |
5d12ce38 | 652 | } |
653 | ||
504b172d | 654 | if(gAlice->Lego() == 0x0) |
655 | { | |
656 | runloader->WriteKinematics("OVERWRITE"); | |
657 | runloader->WriteTrackRefs("OVERWRITE"); | |
658 | runloader->WriteHits("OVERWRITE"); | |
659 | } | |
660 | ||
21bf7095 | 661 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); |
662 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
663 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
664 | AliDebug(1, " FINISHING EVENT "); | |
665 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
666 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
667 | AliDebug(1, "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"); | |
5d12ce38 | 668 | } |
669 | ||
670 | //_______________________________________________________________________ | |
671 | void AliMC::Field(const Double_t* x, Double_t* b) const | |
672 | { | |
d0d4a6b3 | 673 | // Calculates field "b" at point "x" |
5d12ce38 | 674 | gAlice->Field(x,b); |
675 | } | |
676 | ||
677 | //_______________________________________________________________________ | |
678 | void AliMC::Init() | |
679 | { | |
d0d4a6b3 | 680 | // MC initialization |
5d12ce38 | 681 | |
682 | //=================Create Materials and geometry | |
683 | gMC->Init(); | |
4e889ff4 | 684 | // Set alignable volumes for the whole geometry (with old root) |
685 | #if ROOT_VERSION_CODE < 331527 | |
686 | SetAllAlignableVolumes(); | |
687 | #endif | |
5d12ce38 | 688 | //Read the cuts for all materials |
689 | ReadTransPar(); | |
690 | //Build the special IMEDIA table | |
691 | MediaTable(); | |
692 | ||
693 | //Compute cross-sections | |
694 | gMC->BuildPhysics(); | |
695 | ||
5d12ce38 | 696 | //Initialise geometry deposition table |
697 | fEventEnergy.Set(gMC->NofVolumes()+1); | |
698 | fSummEnergy.Set(gMC->NofVolumes()+1); | |
699 | fSum2Energy.Set(gMC->NofVolumes()+1); | |
700 | ||
5d12ce38 | 701 | // Register MC in configuration |
702 | AliConfig::Instance()->Add(gMC); | |
703 | ||
704 | } | |
705 | ||
706 | //_______________________________________________________________________ | |
707 | void AliMC::MediaTable() | |
708 | { | |
709 | // | |
710 | // Built media table to get from the media number to | |
711 | // the detector id | |
712 | // | |
713 | ||
714 | Int_t kz, nz, idt, lz, i, k, ind; | |
715 | // Int_t ibeg; | |
716 | TObjArray &dets = *gAlice->Detectors(); | |
717 | AliModule *det; | |
718 | Int_t ndets=gAlice->GetNdets(); | |
719 | // | |
720 | // For all detectors | |
721 | for (kz=0;kz<ndets;kz++) { | |
722 | // If detector is defined | |
723 | if((det=dynamic_cast<AliModule*>(dets[kz]))) { | |
724 | TArrayI &idtmed = *(det->GetIdtmed()); | |
725 | for(nz=0;nz<100;nz++) { | |
0561efeb | 726 | |
5d12ce38 | 727 | // Find max and min material number |
728 | if((idt=idtmed[nz])) { | |
729 | det->LoMedium() = det->LoMedium() < idt ? det->LoMedium() : idt; | |
730 | det->HiMedium() = det->HiMedium() > idt ? det->HiMedium() : idt; | |
731 | } | |
732 | } | |
733 | if(det->LoMedium() > det->HiMedium()) { | |
734 | det->LoMedium() = 0; | |
735 | det->HiMedium() = 0; | |
736 | } else { | |
737 | if(det->HiMedium() > fImedia->GetSize()) { | |
21bf7095 | 738 | AliError(Form("Increase fImedia from %d to %d", |
739 | fImedia->GetSize(),det->HiMedium())); | |
5d12ce38 | 740 | return; |
741 | } | |
742 | // Tag all materials in rage as belonging to detector kz | |
743 | for(lz=det->LoMedium(); lz<= det->HiMedium(); lz++) { | |
744 | (*fImedia)[lz]=kz; | |
745 | } | |
746 | } | |
747 | } | |
748 | } | |
749 | // | |
750 | // Print summary table | |
21bf7095 | 751 | AliInfo("Tracking media ranges:"); |
752 | ToAliInfo( | |
5d12ce38 | 753 | for(i=0;i<(ndets-1)/6+1;i++) { |
754 | for(k=0;k< (6<ndets-i*6?6:ndets-i*6);k++) { | |
755 | ind=i*6+k; | |
756 | det=dynamic_cast<AliModule*>(dets[ind]); | |
757 | if(det) | |
758 | printf(" %6s: %3d -> %3d;",det->GetName(),det->LoMedium(), | |
759 | det->HiMedium()); | |
760 | else | |
761 | printf(" %6s: %3d -> %3d;","NULL",0,0); | |
762 | } | |
763 | printf("\n"); | |
764 | } | |
21bf7095 | 765 | ) |
5d12ce38 | 766 | } |
767 | ||
768 | //_______________________________________________________________________ | |
769 | void AliMC::ReadTransPar() | |
770 | { | |
771 | // | |
772 | // Read filename to set the transport parameters | |
773 | // | |
774 | ||
775 | ||
776 | const Int_t kncuts=10; | |
777 | const Int_t knflags=11; | |
778 | const Int_t knpars=kncuts+knflags; | |
779 | const char kpars[knpars][7] = {"CUTGAM" ,"CUTELE","CUTNEU","CUTHAD","CUTMUO", | |
780 | "BCUTE","BCUTM","DCUTE","DCUTM","PPCUTM","ANNI", | |
781 | "BREM","COMP","DCAY","DRAY","HADR","LOSS", | |
782 | "MULS","PAIR","PHOT","RAYL"}; | |
783 | char line[256]; | |
784 | char detName[7]; | |
785 | char* filtmp; | |
786 | Float_t cut[kncuts]; | |
787 | Int_t flag[knflags]; | |
788 | Int_t i, itmed, iret, ktmed, kz; | |
789 | FILE *lun; | |
790 | // | |
791 | // See whether the file is there | |
792 | filtmp=gSystem->ExpandPathName(fTransParName.Data()); | |
793 | lun=fopen(filtmp,"r"); | |
794 | delete [] filtmp; | |
795 | if(!lun) { | |
21bf7095 | 796 | AliWarning(Form("File %s does not exist!",fTransParName.Data())); |
5d12ce38 | 797 | return; |
798 | } | |
799 | // | |
5d12ce38 | 800 | while(1) { |
801 | // Initialise cuts and flags | |
802 | for(i=0;i<kncuts;i++) cut[i]=-99; | |
803 | for(i=0;i<knflags;i++) flag[i]=-99; | |
804 | itmed=0; | |
805 | for(i=0;i<256;i++) line[i]='\0'; | |
806 | // Read up to the end of line excluded | |
807 | iret=fscanf(lun,"%[^\n]",line); | |
808 | if(iret<0) { | |
809 | //End of file | |
810 | fclose(lun); | |
5d12ce38 | 811 | return; |
812 | } | |
813 | // Read the end of line | |
814 | fscanf(lun,"%*c"); | |
815 | if(!iret) continue; | |
816 | if(line[0]=='*') continue; | |
817 | // Read the numbers | |
818 | 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", | |
819 | detName,&itmed,&cut[0],&cut[1],&cut[2],&cut[3],&cut[4],&cut[5],&cut[6],&cut[7],&cut[8], | |
820 | &cut[9],&flag[0],&flag[1],&flag[2],&flag[3],&flag[4],&flag[5],&flag[6],&flag[7], | |
821 | &flag[8],&flag[9],&flag[10]); | |
822 | if(!iret) continue; | |
823 | if(iret<0) { | |
824 | //reading error | |
21bf7095 | 825 | AliWarning(Form("Error reading file %s",fTransParName.Data())); |
5d12ce38 | 826 | continue; |
827 | } | |
828 | // Check that the module exist | |
829 | AliModule *mod = gAlice->GetModule(detName); | |
830 | if(mod) { | |
831 | // Get the array of media numbers | |
832 | TArrayI &idtmed = *mod->GetIdtmed(); | |
833 | // Check that the tracking medium code is valid | |
834 | if(0<=itmed && itmed < 100) { | |
835 | ktmed=idtmed[itmed]; | |
836 | if(!ktmed) { | |
21bf7095 | 837 | AliWarning(Form("Invalid tracking medium code %d for %s",itmed,mod->GetName())); |
5d12ce38 | 838 | continue; |
839 | } | |
840 | // Set energy thresholds | |
841 | for(kz=0;kz<kncuts;kz++) { | |
842 | if(cut[kz]>=0) { | |
21bf7095 | 843 | AliDebug(2, Form("%-6s set to %10.3E for tracking medium code %4d for %s", |
844 | kpars[kz],cut[kz],itmed,mod->GetName())); | |
5d12ce38 | 845 | gMC->Gstpar(ktmed,kpars[kz],cut[kz]); |
846 | } | |
847 | } | |
848 | // Set transport mechanisms | |
849 | for(kz=0;kz<knflags;kz++) { | |
850 | if(flag[kz]>=0) { | |
21bf7095 | 851 | AliDebug(2, Form("%-6s set to %10d for tracking medium code %4d for %s", |
852 | kpars[kncuts+kz],flag[kz],itmed,mod->GetName())); | |
5d12ce38 | 853 | gMC->Gstpar(ktmed,kpars[kncuts+kz],Float_t(flag[kz])); |
854 | } | |
855 | } | |
856 | } else { | |
21bf7095 | 857 | AliWarning(Form("Invalid medium code %d",itmed)); |
5d12ce38 | 858 | continue; |
859 | } | |
860 | } else { | |
21bf7095 | 861 | AliDebug(1, Form("%s not present",detName)); |
5d12ce38 | 862 | continue; |
863 | } | |
864 | } | |
865 | } | |
866 | ||
867 | //_______________________________________________________________________ | |
868 | void AliMC::SetTransPar(const char *filename) | |
869 | { | |
870 | // | |
871 | // Sets the file name for transport parameters | |
872 | // | |
873 | fTransParName = filename; | |
874 | } | |
875 | ||
5d12ce38 | 876 | //_______________________________________________________________________ |
877 | void AliMC::AddHit(Int_t id, Int_t track, Int_t *vol, Float_t *hits) const | |
878 | { | |
879 | // | |
880 | // Add a hit to detector id | |
881 | // | |
882 | TObjArray &dets = *gAlice->Modules(); | |
883 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddHit(track,vol,hits); | |
884 | } | |
885 | ||
886 | //_______________________________________________________________________ | |
887 | void AliMC::AddDigit(Int_t id, Int_t *tracks, Int_t *digits) const | |
888 | { | |
889 | // | |
890 | // Add digit to detector id | |
891 | // | |
892 | TObjArray &dets = *gAlice->Modules(); | |
893 | if(dets[id]) dynamic_cast<AliModule*>(dets[id])->AddDigit(tracks,digits); | |
894 | } | |
895 | ||
896 | //_______________________________________________________________________ | |
897 | Int_t AliMC::GetCurrentTrackNumber() const { | |
898 | // | |
899 | // Returns current track | |
900 | // | |
d3b3a3b2 | 901 | return AliRunLoader::GetRunLoader()->Stack()->GetCurrentTrackNumber(); |
5d12ce38 | 902 | } |
903 | ||
904 | //_______________________________________________________________________ | |
905 | void AliMC::DumpPart (Int_t i) const | |
906 | { | |
907 | // | |
908 | // Dumps particle i in the stack | |
909 | // | |
d3b3a3b2 | 910 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 911 | if (runloader->Stack()) |
912 | runloader->Stack()->DumpPart(i); | |
913 | } | |
914 | ||
915 | //_______________________________________________________________________ | |
916 | void AliMC::DumpPStack () const | |
917 | { | |
918 | // | |
919 | // Dumps the particle stack | |
920 | // | |
d3b3a3b2 | 921 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 922 | if (runloader->Stack()) |
923 | runloader->Stack()->DumpPStack(); | |
924 | } | |
925 | ||
926 | //_______________________________________________________________________ | |
927 | Int_t AliMC::GetNtrack() const { | |
928 | // | |
929 | // Returns number of tracks in stack | |
930 | // | |
931 | Int_t ntracks = -1; | |
d3b3a3b2 | 932 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 933 | if (runloader->Stack()) |
934 | ntracks = runloader->Stack()->GetNtrack(); | |
935 | return ntracks; | |
936 | } | |
937 | ||
938 | //_______________________________________________________________________ | |
939 | Int_t AliMC::GetPrimary(Int_t track) const | |
940 | { | |
941 | // | |
942 | // return number of primary that has generated track | |
943 | // | |
944 | Int_t nprimary = -999; | |
d3b3a3b2 | 945 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 946 | if (runloader->Stack()) |
947 | nprimary = runloader->Stack()->GetPrimary(track); | |
948 | return nprimary; | |
949 | } | |
950 | ||
951 | //_______________________________________________________________________ | |
952 | TParticle* AliMC::Particle(Int_t i) const | |
953 | { | |
d0d4a6b3 | 954 | // Returns the i-th particle from the stack taking into account |
955 | // the remaping done by PurifyKine | |
d3b3a3b2 | 956 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 957 | if (runloader) |
958 | if (runloader->Stack()) | |
959 | return runloader->Stack()->Particle(i); | |
960 | return 0x0; | |
961 | } | |
962 | ||
963 | //_______________________________________________________________________ | |
6c753956 | 964 | const TObjArray* AliMC::Particles() const { |
5d12ce38 | 965 | // |
966 | // Returns pointer to Particles array | |
967 | // | |
d3b3a3b2 | 968 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 969 | if (runloader) |
970 | if (runloader->Stack()) | |
971 | return runloader->Stack()->Particles(); | |
972 | return 0x0; | |
973 | } | |
974 | ||
975 | //_______________________________________________________________________ | |
976 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, Float_t *pmom, | |
977 | Float_t *vpos, Float_t *polar, Float_t tof, | |
2057aecb | 978 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 979 | { |
980 | // Delegate to stack | |
981 | // | |
d3b3a3b2 | 982 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 983 | if (runloader) |
984 | if (runloader->Stack()) | |
985 | runloader->Stack()->PushTrack(done, parent, pdg, pmom, vpos, polar, tof, | |
986 | mech, ntr, weight, is); | |
987 | } | |
988 | ||
989 | //_______________________________________________________________________ | |
990 | void AliMC::PushTrack(Int_t done, Int_t parent, Int_t pdg, | |
991 | Double_t px, Double_t py, Double_t pz, Double_t e, | |
992 | Double_t vx, Double_t vy, Double_t vz, Double_t tof, | |
993 | Double_t polx, Double_t poly, Double_t polz, | |
2057aecb | 994 | TMCProcess mech, Int_t &ntr, Float_t weight, Int_t is) const |
5d12ce38 | 995 | { |
996 | // Delegate to stack | |
997 | // | |
d3b3a3b2 | 998 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 999 | if (runloader) |
1000 | if (runloader->Stack()) | |
1001 | runloader->Stack()->PushTrack(done, parent, pdg, px, py, pz, e, vx, vy, vz, tof, | |
1002 | polx, poly, polz, mech, ntr, weight, is); | |
1003 | } | |
1004 | ||
1005 | //_______________________________________________________________________ | |
2057aecb | 1006 | void AliMC::SetHighWaterMark(Int_t nt) const |
5d12ce38 | 1007 | { |
1008 | // | |
1009 | // Set high water mark for last track in event | |
d3b3a3b2 | 1010 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1011 | if (runloader) |
1012 | if (runloader->Stack()) | |
1013 | runloader->Stack()->SetHighWaterMark(nt); | |
1014 | } | |
1015 | ||
1016 | //_______________________________________________________________________ | |
2057aecb | 1017 | void AliMC::KeepTrack(Int_t track) const |
5d12ce38 | 1018 | { |
1019 | // | |
1020 | // Delegate to stack | |
1021 | // | |
d3b3a3b2 | 1022 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1023 | if (runloader) |
1024 | if (runloader->Stack()) | |
1025 | runloader->Stack()->KeepTrack(track); | |
1026 | } | |
1027 | ||
1028 | //_______________________________________________________________________ | |
2057aecb | 1029 | void AliMC::FlagTrack(Int_t track) const |
5d12ce38 | 1030 | { |
1031 | // Delegate to stack | |
1032 | // | |
d3b3a3b2 | 1033 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1034 | if (runloader) |
1035 | if (runloader->Stack()) | |
1036 | runloader->Stack()->FlagTrack(track); | |
1037 | } | |
1038 | ||
1039 | //_______________________________________________________________________ | |
2057aecb | 1040 | void AliMC::SetCurrentTrack(Int_t track) const |
5d12ce38 | 1041 | { |
1042 | // | |
1043 | // Set current track number | |
1044 | // | |
d3b3a3b2 | 1045 | AliRunLoader * runloader = AliRunLoader::GetRunLoader(); |
5d12ce38 | 1046 | if (runloader) |
1047 | if (runloader->Stack()) | |
1048 | runloader->Stack()->SetCurrentTrack(track); | |
1049 | } | |
1050 | ||
1051 | //_______________________________________________________________________ | |
9ac3aec9 | 1052 | AliTrackReference* AliMC::AddTrackReference(Int_t label, Int_t id) |
1053 | { | |
5d12ce38 | 1054 | // |
1055 | // add a trackrefernce to the list | |
9ac3aec9 | 1056 | Int_t primary = GetPrimary(label); |
1057 | Particle(primary)->SetBit(kKeepBit); | |
1058 | ||
fd650020 | 1059 | Int_t nref = fTmpTrackReferences.GetEntriesFast(); |
1060 | return new(fTmpTrackReferences[nref]) AliTrackReference(label, id); | |
5d12ce38 | 1061 | } |
1062 | ||
1063 | ||
1064 | ||
1065 | //_______________________________________________________________________ | |
1066 | void AliMC::ResetTrackReferences() | |
1067 | { | |
1068 | // | |
1069 | // Reset all references | |
1070 | // | |
fd650020 | 1071 | fTmpTrackReferences.Clear(); |
5d12ce38 | 1072 | } |
1073 | ||
1074 | void AliMC::RemapTrackReferencesIDs(Int_t *map) | |
1075 | { | |
1076 | // | |
1077 | // Remapping track reference | |
1078 | // Called at finish primary | |
1079 | // | |
fd650020 | 1080 | |
1081 | Int_t nEntries = fTmpTrackReferences.GetEntries(); | |
4e490a96 | 1082 | for (Int_t i=0; i < nEntries; i++){ |
fd650020 | 1083 | AliTrackReference * ref = dynamic_cast<AliTrackReference*>(fTmpTrackReferences.UncheckedAt(i)); |
4e490a96 | 1084 | if (ref) { |
1085 | Int_t newID = map[ref->GetTrack()]; | |
1086 | if (newID>=0) ref->SetTrack(newID); | |
1087 | else { | |
1088 | ref->SetBit(kNotDeleted,kFALSE); | |
fd650020 | 1089 | fTmpTrackReferences.RemoveAt(i); |
4e490a96 | 1090 | } |
1091 | } // if ref | |
5d12ce38 | 1092 | } |
fd650020 | 1093 | fTmpTrackReferences.Compress(); |
5d12ce38 | 1094 | } |
0561efeb | 1095 | |
1096 | void AliMC::FixParticleDecaytime() | |
1097 | { | |
1098 | // | |
1099 | // Fix the particle decay time according to rmin and rmax for decays | |
1100 | // | |
1101 | ||
1102 | TLorentzVector p; | |
1103 | gMC->TrackMomentum(p); | |
1104 | Double_t tmin, tmax; | |
1105 | Double_t b; | |
1106 | ||
1107 | // Transverse velocity | |
1108 | Double_t vt = p.Pt() / p.E(); | |
1109 | ||
1110 | if ((b = gAlice->Field()->SolenoidField()) > 0.) { // [kG] | |
1111 | ||
1112 | // Radius of helix | |
1113 | ||
1114 | Double_t rho = p.Pt() / 0.0003 / b; // [cm] | |
1115 | ||
1116 | // Revolution frequency | |
1117 | ||
1118 | Double_t omega = vt / rho; | |
1119 | ||
1120 | // Maximum and minimum decay time | |
1121 | // | |
1122 | // Check for curlers first | |
1123 | if (fRDecayMax * fRDecayMax / rho / rho / 2. > 1.) return; | |
1124 | ||
1125 | // | |
1126 | ||
1127 | tmax = TMath::ACos(1. - fRDecayMax * fRDecayMax / rho / rho / 2.) / omega; // [ct] | |
1128 | tmin = TMath::ACos(1. - fRDecayMin * fRDecayMin / rho / rho / 2.) / omega; // [ct] | |
1129 | } else { | |
1130 | tmax = fRDecayMax / vt; // [ct] | |
1131 | tmin = fRDecayMin / vt; // [ct] | |
1132 | } | |
1133 | ||
1134 | // | |
1135 | // Dial t using the two limits | |
1136 | Double_t t = tmin + (tmax - tmin) * gRandom->Rndm(); // [ct] | |
1137 | // | |
1138 | // | |
1139 | // Force decay time in transport code | |
1140 | // | |
fa7ca4da | 1141 | gMC->ForceDecayTime(t / 2.99792458e10); |
0561efeb | 1142 | } |
3cac0921 | 1143 | |
1144 | void AliMC::MakeTmpTrackRefsTree() | |
1145 | { | |
1146 | // Make the temporary track reference tree | |
1147 | fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate"); | |
1148 | fTmpTreeTR = new TTree("TreeTR", "Track References"); | |
fd650020 | 1149 | TClonesArray* pRef = &fTmpTrackReferences; |
1150 | fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &pRef, 4000); | |
3cac0921 | 1151 | } |
1152 | ||
1153 | void AliMC::ReorderAndExpandTreeTR() | |
1154 | { | |
1155 | // | |
1156 | // Reorder and expand the temporary track reference tree in order to match the kinematics tree | |
1157 | // | |
1158 | ||
d3b3a3b2 | 1159 | AliRunLoader *rl = AliRunLoader::GetRunLoader(); |
3cac0921 | 1160 | // |
1161 | // TreeTR | |
1162 | AliDebug(1, "fRunLoader->MakeTrackRefsContainer()"); | |
1163 | rl->MakeTrackRefsContainer(); | |
1164 | TTree * treeTR = rl->TreeTR(); | |
1165 | if (treeTR){ | |
1166 | // make branch for central track references | |
3cac0921 | 1167 | TBranch *branch; |
fd650020 | 1168 | TClonesArray* pRef = &fTrackReferences; |
1169 | branch = treeTR->Branch("TrackReferences", &pRef); | |
1170 | branch->SetAddress(&pRef); | |
3cac0921 | 1171 | } |
1172 | ||
1173 | AliStack* stack = rl->Stack(); | |
1174 | Int_t np = stack->GetNprimary(); | |
1175 | Int_t nt = fTmpTreeTR->GetEntries(); | |
3cac0921 | 1176 | // |
1177 | // Loop over tracks and find the secondaries with the help of the kine tree | |
5ce21fc4 | 1178 | Int_t ifills = 0; |
1179 | Int_t it = 0; | |
1180 | for (Int_t ip = np - 1; ip > -1; ip--) { | |
1181 | TParticle *part = stack->Particle(ip); | |
5a9cf418 | 1182 | //printf("Particle %5d %5d %5d %5d %5d \n", ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(), part->GetLastDaughter()); |
2c4e7c77 | 1183 | |
5ce21fc4 | 1184 | // Skip primaries that have not been transported |
3cac0921 | 1185 | Int_t dau1 = part->GetFirstDaughter(); |
1186 | Int_t dau2 = -1; | |
f4414561 | 1187 | if (!part->TestBit(kTransportBit)) continue; |
5ce21fc4 | 1188 | // |
1189 | fTmpTreeTR->GetEntry(it++); | |
fd650020 | 1190 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1191 | // Determine range of secondaries produced by this primary |
3cac0921 | 1192 | if (dau1 > -1) { |
5ce21fc4 | 1193 | Int_t inext = ip - 1; |
3cac0921 | 1194 | while (dau2 < 0) { |
1195 | if (inext >= 0) { | |
1196 | part = stack->Particle(inext); | |
5ce21fc4 | 1197 | dau2 = part->GetFirstDaughter(); |
5a9cf418 | 1198 | if (!(part->TestBit(kTransportBit)) || dau2 == -1 || dau2 < np) { |
1199 | // if (dau2 == -1 || dau2 < np) { | |
5ce21fc4 | 1200 | dau2 = -1; |
1201 | } else { | |
1202 | dau2--; | |
1203 | } | |
3cac0921 | 1204 | } else { |
1205 | dau2 = stack->GetNtrack() - 1; | |
1206 | } | |
1207 | inext--; | |
5ce21fc4 | 1208 | } // find upper bound |
1209 | } // dau2 < 0 | |
2c4e7c77 | 1210 | // printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2); |
3cac0921 | 1211 | // |
1212 | // Loop over reference hits and find secondary label | |
1213 | for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) { | |
1214 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1215 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
3cac0921 | 1216 | Int_t label = tr->Label(); |
5ce21fc4 | 1217 | // Skip primaries |
1218 | if (label == ip) continue; | |
2c4e7c77 | 1219 | if (label > dau2 || label < dau1) |
1220 | AliWarning(Form("Track Reference Label out of range !: %5d %5d %5d \n", label, dau1, dau2)); | |
3cac0921 | 1221 | if (label == id) { |
1222 | // secondary found | |
fd650020 | 1223 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1224 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
3cac0921 | 1225 | } |
1226 | } // hits | |
1227 | treeTR->Fill(); | |
fd650020 | 1228 | fTrackReferences.Clear(); |
5ce21fc4 | 1229 | ifills++; |
3cac0921 | 1230 | } // daughters |
1231 | } // tracks | |
3cac0921 | 1232 | // |
1233 | // Now loop again and write the primaries | |
5ce21fc4 | 1234 | it = nt - 1; |
1235 | for (Int_t ip = 0; ip < np; ip++) { | |
1236 | TParticle* part = stack->Particle(ip); | |
f4414561 | 1237 | // if ((part->GetFirstDaughter() == -1 && part->GetStatusCode() <= 1) || part->GetFirstDaughter() >= np) |
c226988d | 1238 | if (part->TestBit(kTransportBit)) |
f4414561 | 1239 | { |
5ce21fc4 | 1240 | // Skip particles that have not been transported |
1241 | fTmpTreeTR->GetEntry(it--); | |
fd650020 | 1242 | Int_t nh = fTmpTrackReferences.GetEntries(); |
5ce21fc4 | 1243 | // |
1244 | // Loop over reference hits and find primary labels | |
1245 | for (Int_t ih = 0; ih < nh; ih++) { | |
fd650020 | 1246 | AliTrackReference* tr = (AliTrackReference*) fTmpTrackReferences.At(ih); |
5ce21fc4 | 1247 | Int_t label = tr->Label(); |
1248 | if (label == ip) { | |
fd650020 | 1249 | Int_t nref = fTrackReferences.GetEntriesFast(); |
1250 | new(fTrackReferences[nref]) AliTrackReference(*tr); | |
5ce21fc4 | 1251 | } |
1252 | } | |
3cac0921 | 1253 | } |
1254 | treeTR->Fill(); | |
fd650020 | 1255 | fTrackReferences.Clear(); |
5ce21fc4 | 1256 | ifills++; |
3cac0921 | 1257 | } // tracks |
5ce21fc4 | 1258 | // Check |
1259 | if (ifills != stack->GetNtrack()) | |
1260 | AliWarning(Form("Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n", ifills, stack->GetNtrack())); | |
3cac0921 | 1261 | // |
1262 | // Clean-up | |
1263 | delete fTmpTreeTR; | |
1264 | fTmpFileTR->Close(); | |
1265 | delete fTmpFileTR; | |
fd650020 | 1266 | fTmpTrackReferences.Clear(); |
3cac0921 | 1267 | gSystem->Exec("rm -rf TrackRefsTmp.root"); |
1268 | } | |
1269 |