2 /**************************************************************************
3 * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
5 * Author: The ALICE Off-line Project. *
6 * Contributors are mentioned in the code where appropriate. *
8 * Permission to use, copy, modify and distribute this software and its *
9 * documentation strictly for non-commercial purposes is hereby granted *
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11 * copies and that both the copyright notice and this permission notice *
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13 * about the suitability of this software for any purpose. It is *
14 * provided "as is" without express or implied warranty. *
15 **************************************************************************/
19 //-------------------------------------------------------------------------
20 // Implementation of the Virtual Event Handler Interface for AOD
21 // Author: Andreas Morsch, CERN
22 //-------------------------------------------------------------------------
32 #include "AliAODHandler.h"
33 #include "AliAODEvent.h"
34 #include "AliAODTracklets.h"
36 #include "AliAODMCParticle.h"
37 #include "AliAODMCHeader.h"
38 #include "AliMCEventHandler.h"
39 #include "AliMCEvent.h"
40 #include "AliGenEventHeader.h"
41 #include "AliGenHijingEventHeader.h"
42 #include "AliGenDPMjetEventHeader.h"
43 #include "AliGenPythiaEventHeader.h"
44 #include "AliGenCocktailEventHeader.h"
48 ClassImp(AliAODHandler)
50 //______________________________________________________________________________
51 AliAODHandler::AliAODHandler() :
55 fNeedsHeaderReplication(kFALSE),
56 fNeedsTracksBranchReplication(kFALSE),
57 fNeedsVerticesBranchReplication(kFALSE),
58 fNeedsV0sBranchReplication(kFALSE),
59 fNeedsTrackletsBranchReplication(kFALSE),
60 fNeedsPMDClustersBranchReplication(kFALSE),
61 fNeedsJetsBranchReplication(kFALSE),
62 fNeedsFMDClustersBranchReplication(kFALSE),
63 fNeedsCaloClustersBranchReplication(kFALSE),
64 fNeedsMCParticlesBranchReplication(kFALSE),
65 fAODIsReplicated(kFALSE),
74 // default constructor
77 //______________________________________________________________________________
78 AliAODHandler::AliAODHandler(const char* name, const char* title):
79 AliVEventHandler(name, title),
82 fNeedsHeaderReplication(kFALSE),
83 fNeedsTracksBranchReplication(kFALSE),
84 fNeedsVerticesBranchReplication(kFALSE),
85 fNeedsV0sBranchReplication(kFALSE),
86 fNeedsTrackletsBranchReplication(kFALSE),
87 fNeedsPMDClustersBranchReplication(kFALSE),
88 fNeedsJetsBranchReplication(kFALSE),
89 fNeedsFMDClustersBranchReplication(kFALSE),
90 fNeedsCaloClustersBranchReplication(kFALSE),
91 fNeedsMCParticlesBranchReplication(kFALSE),
92 fAODIsReplicated(kFALSE),
101 // Normal constructor.
104 //______________________________________________________________________________
105 AliAODHandler::~AliAODHandler()
108 if (fAODEvent) delete fAODEvent;
110 // is already handled in TerminateIO
115 if (fTreeA) delete fTreeA;
116 if (fExtensions) {fExtensions->Delete(); delete fExtensions;}
117 if (fFilters) {fFilters->Delete(); delete fFilters;}
120 //______________________________________________________________________________
121 Bool_t AliAODHandler::Init(Option_t* opt)
125 // Create the AODevent object
127 fAODEvent = new AliAODEvent();
128 if (fIsStandard) fAODEvent->CreateStdContent();
131 // File opening according to execution mode
134 TDirectory *owd = gDirectory;
135 if (option.Contains("proof")) {
137 // Merging via files. Need to access analysis manager via interpreter.
138 gROOT->ProcessLine(Form("AliAnalysisDataContainer *c_common_out = AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer();"));
139 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(c_common_out, \"RECREATE\");"));
143 fFileA = new TFile(fFileName.Data(), "RECREATE");
148 TIter next(fExtensions);
149 AliAODExtension *ext;
150 while ((ext=(AliAODExtension*)next())) ext->Init(option);
153 TIter nextf(fFilters);
154 AliAODExtension *filteredAOD;
155 while ((filteredAOD=(AliAODExtension*)nextf())) {
156 filteredAOD->SetEvent(fAODEvent);
157 filteredAOD->Init(option);
163 //______________________________________________________________________________
164 void AliAODHandler::StoreMCParticles(){
167 // Remap the labels from ESD stack and store
168 // the AODMCParticles, makes only sense if we have
169 // the mcparticles branch
170 // has to be done here since we cannot know in advance
171 // which particles are needed (e.g. by the tracks etc.)
173 // Particles have been selected by AliMCEventhanlder->SelectParticle()
174 // To use the MCEventhandler here we need to set it from the outside
175 // can vanish when Handler go to the ANALYSISalice library
177 // The Branch booking for mcParticles and mcHeader has to happen
178 // in an external task for now since the AODHandler does not have access
179 // the AnalysisManager. For the same reason the pointer t o the MCEventH
180 // has to passed to the AOD Handler by this task
181 // (doing this in the steering macro would not work on PROOF)
183 TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName());
187 AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName());
192 // Get the MC Infos.. Handler needs to be set before
193 // while adding the branch
194 // This needs to be done, not to depend on the AnalysisManager
196 if(!fMCEventH)return;
197 if(!fMCEventH->MCEvent())return;
198 AliStack *pStack = fMCEventH->MCEvent()->Stack();
201 fMCEventH->CreateLabelMap();
204 // Get the Event Header
207 AliHeader* header = fMCEventH->MCEvent()->Header();
209 AliGenEventHeader* genHeader = 0;
210 if (header) genHeader = header->GenEventHeader();
213 genHeader->PrimaryVertex(vtxMC);
214 mcHeader->SetVertex(vtxMC[0],vtxMC[1],vtxMC[2]);
216 // we search the MCEventHeaders first
217 // Two cases, cocktail or not...
218 AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader);
219 if(genCocktailHeader){
220 // we have a coktail header
221 mcHeader->AddGeneratorName(genHeader->GetName());
222 // Loop from the back so that the first one sets the process type
223 TList* headerList = genCocktailHeader->GetHeaders();
224 for(int i = headerList->GetEntries()-1;i>=0;--i){
225 AliGenEventHeader *headerEntry = dynamic_cast<AliGenEventHeader*>(headerList->At(i));
226 SetMCHeaderInfo(mcHeader,headerEntry);
230 // No Cocktail just take the first one
231 SetMCHeaderInfo(mcHeader,genHeader);
239 // Store the AliAODParticlesMC
240 AliMCEvent* mcEvent = fMCEventH->MCEvent();
242 Int_t np = mcEvent->GetNumberOfTracks();
243 Int_t nprim = mcEvent->GetNumberOfPrimaries();
247 TClonesArray& l = *mcarray;
249 for(int i = 0; i < np; ++i){
250 if(fMCEventH->IsParticleSelected(i)){
252 AliMCParticle* mcpart = (AliMCParticle*) mcEvent->GetTrack(i);
253 if(i<nprim)flag |= AliAODMCParticle::kPrimary;
255 if(mcEvent->IsPhysicalPrimary(i))flag |= AliAODMCParticle::kPhysicalPrim;
257 if(fMCEventH->GetNewLabel(i)!=j){
258 AliError(Form("MISMATCH New label %d j: %d",fMCEventH->GetNewLabel(i),j));
261 AliAODMCParticle mcpart_tmp(mcpart,i,flag);
264 Int_t d0 = mcpart_tmp.GetDaughter(0);
265 Int_t d1 = mcpart_tmp.GetDaughter(1);
266 Int_t m = mcpart_tmp.GetMother();
268 // other than for the track labels, negative values mean
269 // no daughter/mother so preserve it
272 // no first daughter -> no second daughter
273 // nothing to be done
274 // second condition not needed just for sanity check at the end
275 mcpart_tmp.SetDaughter(0,d0);
276 mcpart_tmp.SetDaughter(1,d1);
277 } else if(d1 < 0 && d0 >= 0) {
279 // second condition not needed just for sanity check at the end
280 if(fMCEventH->IsParticleSelected(d0)){
281 mcpart_tmp.SetDaughter(0,fMCEventH->GetNewLabel(d0));
283 mcpart_tmp.SetDaughter(0,-1);
285 mcpart_tmp.SetDaughter(1,d1);
287 else if (d0 > 0 && d1 > 0 ){
288 // we have two or more daughters loop on the stack to see if they are
292 for(int id = d0; id<=d1;++id){
293 if(fMCEventH->IsParticleSelected(id)){
296 d0_tmp = fMCEventH->GetNewLabel(id);
297 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
299 else d1_tmp = fMCEventH->GetNewLabel(id);
302 mcpart_tmp.SetDaughter(0,d0_tmp);
303 mcpart_tmp.SetDaughter(1,d1_tmp);
305 AliError(Form("Unxpected indices %d %d",d0,d1));
309 mcpart_tmp.SetMother(m);
311 if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m));
312 else AliError(Form("PROBLEM Mother not selected %d \n", m));
315 new (l[j++]) AliAODMCParticle(mcpart_tmp);
319 AliInfo(Form("AliAODHandler::StoreMCParticles: Selected %d (Primaries %d / total %d) after validation \n",
322 // Set the labels in the AOD output...
326 TClonesArray* tracks = fAODEvent->GetTracks();
328 for(int it = 0; it < fAODEvent->GetNTracks();++it){
329 AliAODTrack *track = fAODEvent->GetTrack(it);
332 Int_t label = track->GetLabel();
333 if(label<0){ // preserve the sign for later usage
338 if (label >= AliMCEvent::BgLabelOffset()) label = mcEvent->BgLabelToIndex(label);
339 if(label > np || track->GetLabel() == 0){
340 AliWarning(Form("Wrong ESD track label %5d (%5d)",track->GetLabel(), label));
342 if(fMCEventH->GetNewLabel(label) == 0){
343 AliWarning(Form("New label not found for %5d (%5d)",track->GetLabel(), label));
345 track->SetLabel(sign*fMCEventH->GetNewLabel(label));
350 TClonesArray *clusters = fAODEvent->GetCaloClusters();
352 for (Int_t iClust = 0;iClust < fAODEvent->GetNCaloClusters(); ++iClust) {
353 AliAODCaloCluster * cluster = fAODEvent->GetCaloCluster(iClust);
354 UInt_t nLabel = cluster->GetNLabel();
355 // Ugly but do not want to fragment memory by creating
356 // new Int_t (nLabel)
357 Int_t* labels = const_cast<Int_t*>(cluster->GetLabels());
359 for(UInt_t i = 0;i < nLabel;++i){
360 labels[i] = fMCEventH->GetNewLabel(cluster->GetLabel(i));
363 // cluster->SetLabels(labels,nLabel);
368 AliAODTracklets *tracklets = fAODEvent->GetTracklets();
370 for(int it = 0;it < tracklets->GetNumberOfTracklets();++it){
371 int label0 = tracklets->GetLabel(it,0);
372 int label1 = tracklets->GetLabel(it,1);
373 if(label0>=0)label0 = fMCEventH->GetNewLabel(label0);
374 if(label1>=0)label1 = fMCEventH->GetNewLabel(label1);
375 tracklets->SetLabel(it,0,label0);
376 tracklets->SetLabel(it,1,label1);
382 //______________________________________________________________________________
383 Bool_t AliAODHandler::FinishEvent()
385 // Fill data structures
387 fAODEvent->MakeEntriesReferencable();
388 // StoreMCParticles();
391 TIter next(fExtensions);
392 AliAODExtension *ext;
393 while ((ext=(AliAODExtension*)next())) ext->FinishEvent();
396 TIter nextf(fFilters);
397 AliAODExtension *ext;
398 while ((ext=(AliAODExtension*)nextf())) {
399 // ext->SetEvent(fAODEvent);
404 if (fIsStandard) fAODEvent->ResetStd();
405 // Reset AOD replication flag
406 fAODIsReplicated = kFALSE;
410 //______________________________________________________________________________
411 Bool_t AliAODHandler::Terminate()
414 AddAODtoTreeUserInfo();
416 TIter next(fExtensions);
417 AliAODExtension *ext;
418 while ((ext=(AliAODExtension*)next())) ext->GetTree()->GetUserInfo()->Add(ext->GetAOD());
423 //______________________________________________________________________________
424 Bool_t AliAODHandler::TerminateIO()
431 // When closing the file, the tree is also deleted.
435 TIter next(fExtensions);
436 AliAODExtension *ext;
437 while ((ext=(AliAODExtension*)next())) ext->TerminateIO();
440 TIter nextf(fFilters);
441 AliAODExtension *ext;
442 while ((ext=(AliAODExtension*)nextf())) ext->TerminateIO();
447 //______________________________________________________________________________
448 void AliAODHandler::CreateTree(Int_t flag)
450 // Creates the AOD Tree
451 fTreeA = new TTree("aodTree", "AliAOD tree");
452 fTreeA->Branch(fAODEvent->GetList());
453 if (flag == 0) fTreeA->SetDirectory(0);
456 //______________________________________________________________________________
457 void AliAODHandler::FillTree()
463 //______________________________________________________________________________
464 void AliAODHandler::AddAODtoTreeUserInfo()
466 // Add aod event to tree user info
467 fTreeA->GetUserInfo()->Add(fAODEvent);
468 // Now the tree owns our fAODEvent...
472 //______________________________________________________________________________
473 void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filename)
475 // Add a new branch to the aod. Added optional filename parameter if the
476 // branch should be written to a separate file.
477 if (strlen(filename)) {
478 AliAODExtension *ext = AddExtension(filename);
479 ext->AddBranch(cname, addobj);
482 TDirectory *owd = gDirectory;
486 char** apointer = (char**) addobj;
487 TObject* obj = (TObject*) *apointer;
489 fAODEvent->AddObject(obj);
491 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
492 const Int_t kBufsize = 32000; // default value in TTree::Branch()
494 if (!fTreeA->FindBranch(obj->GetName())) {
495 // Do the same as if we book via
496 // TTree::Branch(TCollection*)
498 fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
499 kBufsize, kSplitlevel - 1);
500 // fTreeA->Branch(obj->GetName(), cname, addobj);
505 //______________________________________________________________________________
506 AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *title)
508 // Add an AOD extension with some branches in a different file.
509 TString fname(filename);
510 if (!fname.EndsWith(".root")) fname += ".root";
512 fExtensions = new TObjArray();
513 fExtensions->SetOwner();
515 AliAODExtension *ext = (AliAODExtension*)fExtensions->FindObject(fname);
517 ext = new AliAODExtension(fname, title);
518 fExtensions->Add(ext);
523 //______________________________________________________________________________
524 AliAODExtension *AliAODHandler::GetExtension(const char *filename) const
526 // Getter for AOD extensions via file name.
527 if (!fExtensions) return NULL;
528 return (AliAODExtension*)fExtensions->FindObject(filename);
531 //______________________________________________________________________________
532 AliAODExtension *AliAODHandler::AddFilteredAOD(const char *filename, const char *filtername)
534 // Add an AOD extension that can write only AOD events that pass a user filter.
536 fFilters = new TObjArray();
537 fFilters->SetOwner();
539 AliAODExtension *filter = (AliAODExtension*)fFilters->FindObject(filename);
541 filter = new AliAODExtension(filename, filtername, kTRUE);
542 fFilters->Add(filter);
547 //______________________________________________________________________________
548 AliAODExtension *AliAODHandler::GetFilteredAOD(const char *filename) const
550 // Getter for AOD filters via file name.
551 if (!fFilters) return NULL;
552 return (AliAODExtension*)fFilters->FindObject(filename);
555 //______________________________________________________________________________
556 void AliAODHandler::SetOutputFileName(const char* fname)
562 //______________________________________________________________________________
563 const char *AliAODHandler::GetOutputFileName()
566 return fFileName.Data();
569 //______________________________________________________________________________
570 void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){
573 // Utility function to cover different cases for the AliGenEventHeader
574 // Needed since different ProcessType and ImpactParamter are not
575 // in the base class...
576 // We don't encode process types for event cocktails yet
577 // could be done e.g. by adding offsets depnding on the generator
579 mcHeader->AddGeneratorName(genHeader->GetName());
580 if(!genHeader)return;
581 AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
582 if (pythiaGenHeader) {
583 mcHeader->SetEventType(pythiaGenHeader->ProcessType());
584 mcHeader->SetPtHard(pythiaGenHeader->GetPtHard());
588 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader);
590 if (dpmJetGenHeader){
591 mcHeader->SetEventType(dpmJetGenHeader->ProcessType());
595 AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader);
597 mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter());
601 AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName()));
605 ClassImp(AliAODExtension)
607 //-------------------------------------------------------------------------
608 // Support class for AOD extensions. This is created by the user analysis
609 // that requires a separate file for some AOD branches. The name of the
610 // AliAODExtension object is the file name where the AOD branches will be
612 //-------------------------------------------------------------------------
614 //______________________________________________________________________________
615 AliAODExtension::AliAODExtension(const char* name, const char* title, Bool_t isfilter)
626 TObject::SetBit(kFilteredAOD);
627 printf("####### Added AOD filter %s\n", name);
628 } else printf("####### Added AOD extension %s\n", name);
631 //______________________________________________________________________________
632 AliAODExtension::~AliAODExtension()
636 // is already handled in TerminateIO
642 if (fTreeE) delete fTreeE;
645 //______________________________________________________________________________
646 void AliAODExtension::AddBranch(const char* cname, void* addobj)
648 // Add a new branch to the aod
649 if (IsFilteredAOD()) {
650 Error("AddBranch", "Not allowed to add branched to filtered AOD's.");
655 gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)0x%lx, \"%%s\", s_tmp.Data());", type));
658 TDirectory *owd = gDirectory;
662 char** apointer = (char**) addobj;
663 TObject* obj = (TObject*) *apointer;
665 fAODEvent->AddObject(obj);
667 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
668 const Int_t kBufsize = 32000; // default value in TTree::Branch()
670 if (!fTreeE->FindBranch(obj->GetName())) {
671 // Do the same as if we book via
672 // TTree::Branch(TCollection*)
674 fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
675 kBufsize, kSplitlevel - 1);
676 // fTreeA->Branch(obj->GetName(), cname, addobj);
681 //______________________________________________________________________________
682 Bool_t AliAODExtension::FinishEvent()
684 // Fill current event.
686 if (!IsFilteredAOD()) {
687 fAODEvent->MakeEntriesReferencable();
691 // Filtered AOD. Fill only if event is selected.
692 if (!fSelected) return kTRUE;
695 fSelected = kFALSE; // so that next event will not be selected unless demanded
699 //______________________________________________________________________________
700 Bool_t AliAODExtension::Init(Option_t *option)
703 if(!fAODEvent) fAODEvent = new AliAODEvent();
704 TDirectory *owd = gDirectory;
707 if (opt.Contains("proof")) {
709 // Merging via files. Need to access analysis manager via interpreter.
710 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fName.Data()));
713 fFileE = new TFile(GetName(), "RECREATE");
715 fTreeE = new TTree("aodTree", "AliAOD tree");
716 fTreeE->Branch(fAODEvent->GetList());
721 //______________________________________________________________________________
722 void AliAODExtension::SetEvent(AliAODEvent *event)
724 // Connects to an external event
725 if (!IsFilteredAOD()) {
726 Error("SetEvent", "Not allowed to set external event for filtered AOD's");
729 // Use the copy constructor or assignment operator to synchronize with external event.
730 // AliAODEvent &other = *event;
731 // if (!fAODEvent) fAODEvent = new AliAODEvent(other);
732 // else if (fSelected) *fAODEvent = other;
736 //______________________________________________________________________________
737 Bool_t AliAODExtension::TerminateIO()
740 if (TObject::TestBit(kFilteredAOD))
741 printf("AOD Filter %s: events processed: %d passed: %d\n", GetName(), fNtotal, fNpassed);
743 printf("AOD extension %s: events processed: %d\n", GetName(), fNtotal);