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ec4af4c1 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2007, 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 | ||
18 | //------------------------------------------------------------------------- | |
19 | // Implementation of the Virtual Event Handler Interface for AOD | |
20 | // Author: Andreas Morsch, CERN | |
21 | //------------------------------------------------------------------------- | |
22 | ||
052994fb | 23 | |
ec4af4c1 | 24 | #include <TTree.h> |
e910dd36 | 25 | #include <TFile.h> |
7970f4ac | 26 | #include <TString.h> |
dce1b636 | 27 | #include <TList.h> |
e910dd36 | 28 | |
da97a08a | 29 | #include "AliLog.h" |
ec4af4c1 | 30 | #include "AliAODHandler.h" |
31 | #include "AliAODEvent.h" | |
da97a08a | 32 | #include "AliAODTracklets.h" |
33 | #include "AliStack.h" | |
34 | #include "AliAODMCParticle.h" | |
dce1b636 | 35 | #include "AliAODMCHeader.h" |
da97a08a | 36 | #include "AliMCEventHandler.h" |
37 | #include "AliMCEvent.h" | |
dce1b636 | 38 | #include "AliGenEventHeader.h" |
39 | #include "AliGenHijingEventHeader.h" | |
40 | #include "AliGenDPMjetEventHeader.h" | |
41 | #include "AliGenPythiaEventHeader.h" | |
42 | #include "AliGenCocktailEventHeader.h" | |
43 | ||
44 | ||
ec4af4c1 | 45 | |
46 | ClassImp(AliAODHandler) | |
47 | ||
48 | //______________________________________________________________________________ | |
49 | AliAODHandler::AliAODHandler() : | |
f3214a54 | 50 | AliVEventHandler(), |
78f7f935 | 51 | fIsStandard(kTRUE), |
da97a08a | 52 | fFillAOD(kTRUE), |
7c3a9fbf | 53 | fNeedsHeaderReplication(kFALSE), |
75754ba8 | 54 | fNeedsTracksBranchReplication(kFALSE), |
55 | fNeedsVerticesBranchReplication(kFALSE), | |
56 | fNeedsV0sBranchReplication(kFALSE), | |
57 | fNeedsTrackletsBranchReplication(kFALSE), | |
58 | fNeedsPMDClustersBranchReplication(kFALSE), | |
59 | fNeedsJetsBranchReplication(kFALSE), | |
60 | fNeedsFMDClustersBranchReplication(kFALSE), | |
61 | fNeedsCaloClustersBranchReplication(kFALSE), | |
62 | fAODIsReplicated(kFALSE), | |
ec4af4c1 | 63 | fAODEvent(NULL), |
da97a08a | 64 | fMCEventH(NULL), |
e910dd36 | 65 | fTreeA(NULL), |
66 | fFileA(NULL), | |
7970f4ac | 67 | fFileName("") |
ec4af4c1 | 68 | { |
69 | // default constructor | |
70 | } | |
71 | ||
72 | //______________________________________________________________________________ | |
73 | AliAODHandler::AliAODHandler(const char* name, const char* title): | |
f3214a54 | 74 | AliVEventHandler(name, title), |
78f7f935 | 75 | fIsStandard(kTRUE), |
da97a08a | 76 | fFillAOD(kTRUE), |
7c3a9fbf | 77 | fNeedsHeaderReplication(kFALSE), |
75754ba8 | 78 | fNeedsTracksBranchReplication(kFALSE), |
79 | fNeedsVerticesBranchReplication(kFALSE), | |
80 | fNeedsV0sBranchReplication(kFALSE), | |
81 | fNeedsTrackletsBranchReplication(kFALSE), | |
82 | fNeedsPMDClustersBranchReplication(kFALSE), | |
83 | fNeedsJetsBranchReplication(kFALSE), | |
84 | fNeedsFMDClustersBranchReplication(kFALSE), | |
85 | fNeedsCaloClustersBranchReplication(kFALSE), | |
86 | fAODIsReplicated(kFALSE), | |
ec4af4c1 | 87 | fAODEvent(NULL), |
da97a08a | 88 | fMCEventH(NULL), |
e910dd36 | 89 | fTreeA(NULL), |
90 | fFileA(NULL), | |
7970f4ac | 91 | fFileName("") |
ec4af4c1 | 92 | { |
93 | } | |
94 | ||
95 | //______________________________________________________________________________ | |
96 | AliAODHandler::~AliAODHandler() | |
97 | { | |
6989bff3 | 98 | delete fAODEvent; |
99 | if(fFileA){ | |
100 | // is already handled in TerminateIO | |
101 | fFileA->Close(); | |
102 | delete fFileA; | |
103 | } | |
104 | delete fTreeA; | |
6989bff3 | 105 | // destructor |
ec4af4c1 | 106 | } |
107 | ||
7970f4ac | 108 | //______________________________________________________________________________ |
300d5701 | 109 | Bool_t AliAODHandler::Init(Option_t* opt) |
ec4af4c1 | 110 | { |
6989bff3 | 111 | // Initialize IO |
112 | // | |
113 | // Create the AODevent object | |
114 | if(!fAODEvent){ | |
ec4af4c1 | 115 | fAODEvent = new AliAODEvent(); |
78f7f935 | 116 | if (fIsStandard) fAODEvent->CreateStdContent(); |
6989bff3 | 117 | } |
118 | // | |
119 | // File opening according to execution mode | |
7970f4ac | 120 | TString option(opt); |
121 | option.ToLower(); | |
122 | if (option.Contains("proof")) { | |
6989bff3 | 123 | // proof |
7970f4ac | 124 | if (option.Contains("special")) { |
125 | // File for tree already opened on slave -> merging via files | |
126 | fFileA = gFile; | |
127 | CreateTree(1); | |
128 | } else { | |
129 | // Merging in memory | |
130 | CreateTree(0); | |
131 | } | |
6989bff3 | 132 | } else { |
133 | // local and grid | |
26b9ac7a | 134 | TDirectory *owd = gDirectory; |
7970f4ac | 135 | fFileA = new TFile(fFileName.Data(), "RECREATE"); |
6989bff3 | 136 | CreateTree(1); |
26b9ac7a | 137 | owd->cd(); |
6989bff3 | 138 | } |
139 | return kTRUE; | |
ec4af4c1 | 140 | } |
141 | ||
da97a08a | 142 | |
143 | void AliAODHandler::StoreMCParticles(){ | |
dce1b636 | 144 | |
da97a08a | 145 | // |
146 | // Remap the labels from ESD stack and store | |
147 | // the AODMCParticles, makes only sense if we have | |
148 | // the mcparticles branch | |
149 | // has to be done here since we cannot know in advance | |
150 | // which particles are needed (e.g. by the tracks etc.) | |
151 | // | |
152 | // Particles have been selected by AliMCEventhanlder->SelectParticle() | |
153 | // To use the MCEventhandler here we need to set it from the outside | |
154 | // can vanish when Handler go to the ANALYSISalice library | |
dce1b636 | 155 | // |
156 | // The Branch booking for mcParticles and mcHeader has to happen | |
157 | // in an external task for now since the AODHandler does not have access | |
158 | // the AnalysisManager. For the same reason the pointer t o the MCEventH | |
159 | // has to passed to the AOD Handler by this task | |
160 | // (doing this in the steering macro would not work on PROOF) | |
da97a08a | 161 | |
162 | TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName()); | |
163 | if(!mcarray)return; | |
164 | mcarray->Delete(); | |
165 | ||
dce1b636 | 166 | AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName()); |
167 | if(!mcHeader)return; | |
168 | ||
169 | mcHeader->Reset(); | |
170 | ||
da97a08a | 171 | // Get the MC Infos.. Handler needs to be set before |
172 | // while adding the branch | |
173 | // This needs to be done, not to depend on the AnalysisManager | |
174 | ||
175 | if(!fMCEventH)return; | |
176 | if(!fMCEventH->MCEvent())return; | |
177 | AliStack *pStack = fMCEventH->MCEvent()->Stack(); | |
178 | if(!pStack)return; | |
179 | ||
180 | fMCEventH->CreateLabelMap(); | |
181 | ||
dce1b636 | 182 | // |
183 | // Get the Event Header | |
184 | // | |
185 | ||
186 | AliHeader* header = fMCEventH->MCEvent()->Header(); | |
187 | if (!header)return; | |
188 | ||
189 | // get the MC vertex | |
190 | AliGenEventHeader* genHeader = header->GenEventHeader(); | |
191 | TArrayF vtxMC(3); | |
192 | genHeader->PrimaryVertex(vtxMC); | |
193 | mcHeader->SetVertex(vtxMC[0],vtxMC[1],vtxMC[2]); | |
194 | ||
195 | // we search the MCEventHeaders first | |
196 | // Two cases, cocktail or not... | |
197 | AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader); | |
198 | if(genCocktailHeader){ | |
199 | // we have a coktail header | |
200 | mcHeader->AddGeneratorName(genHeader->GetName()); | |
201 | // Loop from the back so that the first one sets the process type | |
202 | TList* headerList = genCocktailHeader->GetHeaders(); | |
203 | for(int i = headerList->GetEntries()-1;i>=0;--i){ | |
204 | AliGenEventHeader *headerEntry = dynamic_cast<AliGenEventHeader*>(headerList->At(i)); | |
205 | SetMCHeaderInfo(mcHeader,headerEntry); | |
206 | } | |
207 | } | |
208 | else{ | |
209 | // No Cocktail just take the first one | |
210 | SetMCHeaderInfo(mcHeader,genHeader); | |
211 | } | |
212 | ||
213 | ||
214 | ||
215 | ||
216 | // Store the AliAODParticlesMC | |
da97a08a | 217 | |
218 | Int_t np = pStack->GetNtrack(); | |
219 | Int_t nprim = pStack->GetNprimary(); | |
220 | ||
221 | ||
222 | Int_t j = 0; | |
223 | TClonesArray& l = *mcarray; | |
224 | ||
225 | for(int i = 0;i < np;++i){ | |
226 | if(fMCEventH->IsParticleSelected(i)){ | |
227 | ||
228 | Int_t flag = 0; | |
229 | TParticle *part = pStack->Particle(i); | |
230 | if(i<nprim)flag |= AliAODMCParticle::kPrimary; | |
231 | if(pStack->IsPhysicalPrimary(i))flag |= AliAODMCParticle::kPhysicalPrim; | |
232 | ||
233 | if(fMCEventH->GetNewLabel(i)!=j){ | |
234 | AliError(Form("MISMATCH New label %d j: %d",fMCEventH->GetNewLabel(i),j)); | |
235 | } | |
236 | AliAODMCParticle mcpart_tmp(part,i,flag); | |
237 | ||
238 | // | |
239 | Int_t d0 = mcpart_tmp.GetDaughter(0); | |
240 | Int_t d1 = mcpart_tmp.GetDaughter(1); | |
241 | Int_t m = mcpart_tmp.GetMother(); | |
242 | ||
243 | // other than for the track labels, negative values mean | |
244 | // no daughter/mother so preserve it | |
245 | ||
246 | if(d0<0 && d1<0){ | |
247 | // no first daughter -> no second daughter | |
248 | // nothing to be done | |
249 | // second condition not needed just for sanity check at the end | |
250 | mcpart_tmp.SetDaughter(0,d0); | |
251 | mcpart_tmp.SetDaughter(1,d1); | |
252 | } | |
253 | else if(d1 < 0 && d0 >= 0){ | |
254 | // Only one daughter | |
255 | // second condition not needed just for sanity check at the end | |
256 | if(fMCEventH->IsParticleSelected(d0)){ | |
257 | mcpart_tmp.SetDaughter(0,fMCEventH->GetNewLabel(d0)); | |
258 | } | |
259 | else{ | |
260 | mcpart_tmp.SetDaughter(0,-1); | |
261 | } | |
262 | mcpart_tmp.SetDaughter(1,d1); | |
263 | } | |
264 | else if (d0 > 0 && d1 > 0 ){ | |
265 | // we have two or more daughters loop on the stack to see if they are | |
266 | // selected | |
267 | Int_t d0_tmp = -1; | |
268 | Int_t d1_tmp = -1; | |
269 | for(int id = d0; id<=d1;++id){ | |
270 | if(fMCEventH->IsParticleSelected(id)){ | |
271 | if(d0_tmp==-1){ | |
272 | // first time | |
273 | d0_tmp = fMCEventH->GetNewLabel(id); | |
274 | d1_tmp = d0_tmp; // this is to have the same schema as on the stack i.e. with one daugther d0 and d1 are the same | |
275 | } | |
276 | else d1_tmp = fMCEventH->GetNewLabel(id); | |
277 | } | |
278 | } | |
279 | mcpart_tmp.SetDaughter(0,d0_tmp); | |
280 | mcpart_tmp.SetDaughter(1,d1_tmp); | |
281 | } | |
282 | else{ | |
283 | AliError(Form("Unxpected indices %d %d",d0,d1)); | |
284 | } | |
285 | ||
286 | if(m<0){ | |
287 | mcpart_tmp.SetMother(m); | |
288 | } | |
289 | else{ | |
290 | if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m)); | |
291 | else AliError("PROBLEM Mother not selected"); | |
292 | } | |
293 | ||
294 | new (l[j++]) AliAODMCParticle(mcpart_tmp); | |
295 | ||
296 | } | |
297 | } | |
298 | AliInfo(Form("AliAODHandler::StoreMCParticles: Selected %d (Primaries %d / total %d) after validation", | |
299 | j,nprim,np)); | |
300 | ||
301 | // Set the labels in the AOD output... | |
302 | // Remapping | |
303 | ||
304 | // AODTracks | |
305 | TClonesArray* tracks = fAODEvent->GetTracks(); | |
306 | if(tracks){ | |
307 | for(int it = 0; it < fAODEvent->GetNTracks();++it){ | |
308 | AliAODTrack *track = fAODEvent->GetTrack(it); | |
309 | ||
310 | if(TMath::Abs(track->GetLabel())>np||track->GetLabel()==0){ | |
311 | AliWarning(Form("Wrong ESD track label %d",track->GetLabel())); | |
312 | } | |
313 | if(fMCEventH->GetNewLabel(track->GetLabel())==0){ | |
314 | AliWarning(Form("New label not found for %d",track->GetLabel())); | |
315 | } | |
316 | track->SetLabel(fMCEventH->GetNewLabel(track->GetLabel())); | |
317 | } | |
318 | } | |
319 | ||
320 | // AOD calo cluster | |
321 | TClonesArray *clusters = fAODEvent->GetCaloClusters(); | |
322 | if(clusters){ | |
323 | for (Int_t iClust = 0;iClust < fAODEvent->GetNCaloClusters(); ++iClust) { | |
324 | AliAODCaloCluster * cluster = fAODEvent->GetCaloCluster(iClust); | |
325 | UInt_t nLabel = cluster->GetNLabel(); | |
326 | // Ugly but do not want to fragment memory by creating | |
327 | // new Int_t (nLabel) | |
328 | Int_t* labels = const_cast<Int_t*>(cluster->GetLabels()); | |
329 | if (labels){ | |
330 | for(UInt_t i = 0;i < nLabel;++i){ | |
331 | labels[i] = fMCEventH->GetNewLabel(cluster->GetLabel(i)); | |
332 | } | |
333 | } | |
334 | // cluster->SetLabels(labels,nLabel); | |
335 | }// iClust | |
336 | }// clusters | |
337 | ||
338 | // AOD tracklets | |
339 | AliAODTracklets *tracklets = fAODEvent->GetTracklets(); | |
340 | if(tracklets){ | |
341 | for(int it = 0;it < tracklets->GetNumberOfTracklets();++it){ | |
342 | int label0 = tracklets->GetLabel(it,0); | |
343 | int label1 = tracklets->GetLabel(it,1); | |
344 | if(label0>=0)label0 = fMCEventH->GetNewLabel(label0); | |
345 | if(label1>=0)label1 = fMCEventH->GetNewLabel(label1); | |
346 | tracklets->SetLabel(it,0,label0); | |
347 | tracklets->SetLabel(it,1,label1); | |
348 | } | |
349 | } | |
350 | ||
351 | } | |
352 | ||
5f380da9 | 353 | Bool_t AliAODHandler::FinishEvent() |
ec4af4c1 | 354 | { |
da97a08a | 355 | // Fill data structures |
356 | if(fFillAOD){ | |
f4e5f8d5 | 357 | fAODEvent->MakeEntriesReferencable(); |
da97a08a | 358 | StoreMCParticles(); |
ec4af4c1 | 359 | FillTree(); |
da97a08a | 360 | } |
361 | ||
362 | if (fIsStandard) fAODEvent->ResetStd(); | |
363 | // Reset AOD replication flag | |
364 | fAODIsReplicated = kFALSE; | |
365 | return kTRUE; | |
ec4af4c1 | 366 | } |
367 | ||
7970f4ac | 368 | //______________________________________________________________________________ |
ec4af4c1 | 369 | Bool_t AliAODHandler::Terminate() |
370 | { | |
371 | // Terminate | |
372 | AddAODtoTreeUserInfo(); | |
373 | return kTRUE; | |
374 | } | |
375 | ||
7970f4ac | 376 | //______________________________________________________________________________ |
ec4af4c1 | 377 | Bool_t AliAODHandler::TerminateIO() |
378 | { | |
379 | // Terminate IO | |
21501411 | 380 | if (fFileA) { |
381 | fFileA->Close(); | |
382 | delete fFileA; | |
383 | } | |
ec4af4c1 | 384 | return kTRUE; |
385 | } | |
386 | ||
7970f4ac | 387 | //______________________________________________________________________________ |
954526ed | 388 | void AliAODHandler::CreateTree(Int_t flag) |
ec4af4c1 | 389 | { |
390 | // Creates the AOD Tree | |
f3214a54 | 391 | fTreeA = new TTree("aodTree", "AliAOD tree"); |
ec4af4c1 | 392 | fTreeA->Branch(fAODEvent->GetList()); |
954526ed | 393 | if (flag == 0) fTreeA->SetDirectory(0); |
ec4af4c1 | 394 | } |
395 | ||
7970f4ac | 396 | //______________________________________________________________________________ |
ec4af4c1 | 397 | void AliAODHandler::FillTree() |
398 | { | |
399 | // Fill the AOD Tree | |
da97a08a | 400 | fTreeA->Fill(); |
ec4af4c1 | 401 | } |
402 | ||
7970f4ac | 403 | //______________________________________________________________________________ |
ec4af4c1 | 404 | void AliAODHandler::AddAODtoTreeUserInfo() |
405 | { | |
dce1b636 | 406 | // Add aod event to tree user info |
da97a08a | 407 | fTreeA->GetUserInfo()->Add(fAODEvent); |
ec4af4c1 | 408 | } |
490e9023 | 409 | |
7970f4ac | 410 | //______________________________________________________________________________ |
0134949d | 411 | void AliAODHandler::AddBranch(const char* cname, void* addobj) |
490e9023 | 412 | { |
413 | // Add a new branch to the aod | |
414 | TDirectory *owd = gDirectory; | |
415 | if (fFileA) { | |
dce1b636 | 416 | fFileA->cd(); |
490e9023 | 417 | } |
0134949d | 418 | char** apointer = (char**) addobj; |
419 | TObject* obj = (TObject*) *apointer; | |
dce1b636 | 420 | |
0134949d | 421 | fAODEvent->AddObject(obj); |
dce1b636 | 422 | |
423 | const Int_t kSplitlevel = 99; // default value in TTree::Branch() | |
424 | const Int_t kBufsize = 32000; // default value in TTree::Branch() | |
425 | ||
426 | if (!fTreeA->FindBranch(obj->GetName())) { | |
427 | // Do the same as if we book via | |
428 | // TTree::Branch(TCollection*) | |
429 | ||
430 | fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj), | |
431 | kBufsize, kSplitlevel - 1); | |
432 | // fTreeA->Branch(obj->GetName(), cname, addobj); | |
433 | } | |
490e9023 | 434 | owd->cd(); |
435 | } | |
7970f4ac | 436 | |
437 | //______________________________________________________________________________ | |
438 | void AliAODHandler::SetOutputFileName(const char* fname) | |
439 | { | |
440 | // Set file name. | |
441 | fFileName = fname; | |
442 | } | |
443 | ||
444 | //______________________________________________________________________________ | |
445 | const char *AliAODHandler::GetOutputFileName() | |
446 | { | |
447 | // Get file name. | |
448 | return fFileName.Data(); | |
449 | } | |
dce1b636 | 450 | |
451 | void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){ | |
452 | ||
453 | ||
454 | // Utility function to cover different cases for the AliGenEventHeader | |
455 | // Needed since different ProcessType and ImpactParamter are not | |
456 | // in the base class... | |
457 | // We don't encode process types for event cocktails yet | |
458 | // coul be done e.g. by adding offsets depnding on the generator | |
459 | ||
460 | ||
461 | mcHeader->AddGeneratorName(genHeader->GetName()); | |
462 | ||
463 | ||
464 | ||
465 | if(!genHeader)return; | |
466 | AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader); | |
467 | if (pythiaGenHeader) { | |
468 | mcHeader->SetEventType(pythiaGenHeader->ProcessType()); | |
469 | return; | |
470 | } | |
471 | ||
472 | AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader); | |
473 | ||
474 | if (dpmJetGenHeader){ | |
475 | mcHeader->SetEventType(dpmJetGenHeader->ProcessType()); | |
476 | return; | |
477 | } | |
478 | ||
479 | AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader); | |
480 | if(hijingGenHeader){ | |
481 | mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter()); | |
482 | return; | |
483 | } | |
484 | ||
485 | AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName())); | |
486 | ||
487 | } |