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 *
10 * without fee, provided that the above copyright notice appears in all *
11 * copies and that both the copyright notice and this permission notice *
12 * appear in the supporting documentation. The authors make no claims *
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() :
56 fNeedsHeaderReplication(kFALSE),
57 fNeedsTracksBranchReplication(kFALSE),
58 fNeedsVerticesBranchReplication(kFALSE),
59 fNeedsV0sBranchReplication(kFALSE),
60 fNeedsCascadesBranchReplication(kFALSE),
61 fNeedsTrackletsBranchReplication(kFALSE),
62 fNeedsPMDClustersBranchReplication(kFALSE),
63 fNeedsJetsBranchReplication(kFALSE),
64 fNeedsFMDClustersBranchReplication(kFALSE),
65 fNeedsCaloClustersBranchReplication(kFALSE),
66 fNeedsMCParticlesBranchReplication(kFALSE),
67 fNeedsDimuonsBranchReplication(kFALSE),
68 fAODIsReplicated(kFALSE),
77 // default constructor
80 //______________________________________________________________________________
81 AliAODHandler::AliAODHandler(const char* name, const char* title):
82 AliVEventHandler(name, title),
86 fNeedsHeaderReplication(kFALSE),
87 fNeedsTracksBranchReplication(kFALSE),
88 fNeedsVerticesBranchReplication(kFALSE),
89 fNeedsV0sBranchReplication(kFALSE),
90 fNeedsCascadesBranchReplication(kFALSE),
91 fNeedsTrackletsBranchReplication(kFALSE),
92 fNeedsPMDClustersBranchReplication(kFALSE),
93 fNeedsJetsBranchReplication(kFALSE),
94 fNeedsFMDClustersBranchReplication(kFALSE),
95 fNeedsCaloClustersBranchReplication(kFALSE),
96 fNeedsMCParticlesBranchReplication(kFALSE),
97 fNeedsDimuonsBranchReplication(kFALSE),
98 fAODIsReplicated(kFALSE),
107 // Normal constructor.
110 //______________________________________________________________________________
111 AliAODHandler::~AliAODHandler()
114 if (fAODEvent) delete fAODEvent;
116 // is already handled in TerminateIO
121 if (fTreeA) delete fTreeA;
122 if (fExtensions) {fExtensions->Delete(); delete fExtensions;}
123 if (fFilters) {fFilters->Delete(); delete fFilters;}
126 //______________________________________________________________________________
127 Bool_t AliAODHandler::Init(Option_t* opt)
131 // Create the AODevent object
133 Bool_t createStdAOD = fIsStandard || fFillAOD;
134 if(!fAODEvent && createStdAOD){
135 fAODEvent = new AliAODEvent();
136 if (fIsStandard) fAODEvent->CreateStdContent();
139 // File opening according to execution mode
143 TDirectory *owd = gDirectory;
144 if (option.Contains("proof")) {
146 // Merging via files. Need to access analysis manager via interpreter.
147 gROOT->ProcessLine(Form("AliAnalysisDataContainer *c_common_out = AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer();"));
148 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(c_common_out, \"RECREATE\");"));
152 fFileA = new TFile(fFileName.Data(), "RECREATE");
158 TIter next(fExtensions);
159 AliAODExtension *ext;
160 while ((ext=(AliAODExtension*)next())) ext->Init(option);
163 TIter nextf(fFilters);
164 AliAODExtension *filteredAOD;
165 while ((filteredAOD=(AliAODExtension*)nextf())) {
166 filteredAOD->SetEvent(fAODEvent);
167 filteredAOD->Init(option);
173 //______________________________________________________________________________
174 void AliAODHandler::StoreMCParticles(){
177 // Remap the labels from ESD stack and store
178 // the AODMCParticles, makes only sense if we have
179 // the mcparticles branch
180 // has to be done here since we cannot know in advance
181 // which particles are needed (e.g. by the tracks etc.)
183 // Particles have been selected by AliMCEventhanlder->SelectParticle()
184 // To use the MCEventhandler here we need to set it from the outside
185 // can vanish when Handler go to the ANALYSISalice library
187 // The Branch booking for mcParticles and mcHeader has to happen
188 // in an external task for now since the AODHandler does not have access
189 // the AnalysisManager. For the same reason the pointer t o the MCEventH
190 // has to passed to the AOD Handler by this task
191 // (doing this in the steering macro would not work on PROOF)
193 if (!fAODEvent) return;
194 TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName());
197 AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName());
200 // Get the MC Infos.. Handler needs to be set before
201 // while adding the branch
202 // This needs to be done, not to depend on the AnalysisManager
204 if(!fMCEventH)return;
205 if(!fMCEventH->MCEvent())return;
206 AliStack *pStack = fMCEventH->MCEvent()->Stack();
209 fMCEventH->CreateLabelMap();
212 // Get the Event Header
215 AliHeader* header = fMCEventH->MCEvent()->Header();
217 AliGenEventHeader* genHeader = 0;
218 if (header) genHeader = header->GenEventHeader();
221 genHeader->PrimaryVertex(vtxMC);
222 mcHeader->SetVertex(vtxMC[0],vtxMC[1],vtxMC[2]);
224 // we search the MCEventHeaders first
225 // Two cases, cocktail or not...
226 AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader);
227 if(genCocktailHeader){
228 // we have a coktail header
229 mcHeader->AddGeneratorName(genHeader->GetName());
230 // Loop from the back so that the first one sets the process type
231 TList* headerList = genCocktailHeader->GetHeaders();
232 for(int i = headerList->GetEntries()-1;i>=0;--i){
233 AliGenEventHeader *headerEntry = dynamic_cast<AliGenEventHeader*>(headerList->At(i));
234 SetMCHeaderInfo(mcHeader,headerEntry);
238 // No Cocktail just take the first one
239 SetMCHeaderInfo(mcHeader,genHeader);
247 // Store the AliAODParticlesMC
248 AliMCEvent* mcEvent = fMCEventH->MCEvent();
250 Int_t np = mcEvent->GetNumberOfTracks();
251 Int_t nprim = mcEvent->GetNumberOfPrimaries();
255 TClonesArray& l = *mcarray;
257 for(int i = 0; i < np; ++i){
258 if(fMCEventH->IsParticleSelected(i)){
260 AliMCParticle* mcpart = (AliMCParticle*) mcEvent->GetTrack(i);
261 if(i<nprim)flag |= AliAODMCParticle::kPrimary;
263 if(mcEvent->IsPhysicalPrimary(i))flag |= AliAODMCParticle::kPhysicalPrim;
265 if(fMCEventH->GetNewLabel(i)!=j){
266 AliError(Form("MISMATCH New label %d j: %d",fMCEventH->GetNewLabel(i),j));
269 AliAODMCParticle mcpart_tmp(mcpart,i,flag);
271 mcpart_tmp.SetStatus(mcpart->Particle()->GetStatusCode());
273 Int_t d0 = mcpart_tmp.GetDaughter(0);
274 Int_t d1 = mcpart_tmp.GetDaughter(1);
275 Int_t m = mcpart_tmp.GetMother();
277 // other than for the track labels, negative values mean
278 // no daughter/mother so preserve it
281 // no first daughter -> no second daughter
282 // nothing to be done
283 // second condition not needed just for sanity check at the end
284 mcpart_tmp.SetDaughter(0,d0);
285 mcpart_tmp.SetDaughter(1,d1);
286 } else if(d1 < 0 && d0 >= 0) {
288 // second condition not needed just for sanity check at the end
289 if(fMCEventH->IsParticleSelected(d0)){
290 mcpart_tmp.SetDaughter(0,fMCEventH->GetNewLabel(d0));
292 mcpart_tmp.SetDaughter(0,-1);
294 mcpart_tmp.SetDaughter(1,d1);
296 else if (d0 > 0 && d1 > 0 ){
297 // we have two or more daughters loop on the stack to see if they are
301 for(int id = d0; id<=d1;++id){
302 if(fMCEventH->IsParticleSelected(id)){
305 d0_tmp = fMCEventH->GetNewLabel(id);
306 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
308 else d1_tmp = fMCEventH->GetNewLabel(id);
311 mcpart_tmp.SetDaughter(0,d0_tmp);
312 mcpart_tmp.SetDaughter(1,d1_tmp);
314 AliError(Form("Unxpected indices %d %d",d0,d1));
318 mcpart_tmp.SetMother(m);
320 if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m));
321 else AliError(Form("PROBLEM Mother not selected %d \n", m));
324 new (l[j++]) AliAODMCParticle(mcpart_tmp);
328 AliInfo(Form("AliAODHandler::StoreMCParticles: Selected %d (Primaries %d / total %d) after validation \n",
331 // Set the labels in the AOD output...
335 TClonesArray* tracks = fAODEvent->GetTracks();
337 for(int it = 0; it < fAODEvent->GetNTracks();++it){
338 AliAODTrack *track = fAODEvent->GetTrack(it);
341 Int_t label = track->GetLabel();
342 if(label<0){ // preserve the sign for later usage
347 if (label >= AliMCEvent::BgLabelOffset()) label = mcEvent->BgLabelToIndex(label);
348 if(label > np || track->GetLabel() == 0){
349 AliWarning(Form("Wrong ESD track label %5d (%5d)",track->GetLabel(), label));
351 if(fMCEventH->GetNewLabel(label) == 0){
352 AliWarning(Form("New label not found for %5d (%5d)",track->GetLabel(), label));
354 track->SetLabel(sign*fMCEventH->GetNewLabel(label));
359 TClonesArray *clusters = fAODEvent->GetCaloClusters();
361 for (Int_t iClust = 0;iClust < fAODEvent->GetNCaloClusters(); ++iClust) {
362 AliAODCaloCluster * cluster = fAODEvent->GetCaloCluster(iClust);
363 UInt_t nLabel = cluster->GetNLabel();
364 // Ugly but do not want to fragment memory by creating
365 // new Int_t (nLabel)
366 Int_t* labels = const_cast<Int_t*>(cluster->GetLabels());
368 for(UInt_t i = 0;i < nLabel;++i){
369 labels[i] = fMCEventH->GetNewLabel(cluster->GetLabel(i));
372 // cluster->SetLabels(labels,nLabel);
377 AliAODTracklets *tracklets = fAODEvent->GetTracklets();
379 for(int it = 0;it < tracklets->GetNumberOfTracklets();++it){
380 int label0 = tracklets->GetLabel(it,0);
381 int label1 = tracklets->GetLabel(it,1);
382 if(label0>=0)label0 = fMCEventH->GetNewLabel(label0);
383 if(label1>=0)label1 = fMCEventH->GetNewLabel(label1);
384 tracklets->SetLabel(it,0,label0);
385 tracklets->SetLabel(it,1,label1);
391 //______________________________________________________________________________
392 Bool_t AliAODHandler::FinishEvent()
394 // Fill data structures
395 if(fFillAOD && fFillAODRun && fAODEvent){
396 fAODEvent->MakeEntriesReferencable();
401 if (fFillAOD && fFillAODRun) {
403 TIter next(fExtensions);
404 AliAODExtension *ext;
405 while ((ext=(AliAODExtension*)next())) ext->FinishEvent();
408 TIter nextf(fFilters);
409 AliAODExtension *ext;
410 while ((ext=(AliAODExtension*)nextf())) {
415 if (fIsStandard) fAODEvent->ResetStd();
417 TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName());
418 if(mcarray) mcarray->Delete();
420 AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName());
421 if(mcHeader) mcHeader->Reset();
423 // Reset AOD replication flag
424 fAODIsReplicated = kFALSE;
428 //______________________________________________________________________________
429 Bool_t AliAODHandler::Terminate()
432 AddAODtoTreeUserInfo();
434 TIter next(fExtensions);
435 AliAODExtension *ext;
436 while ((ext=(AliAODExtension*)next())) ext->GetTree()->GetUserInfo()->Add(ext->GetAOD());
441 //______________________________________________________________________________
442 Bool_t AliAODHandler::TerminateIO()
450 // When closing the file, the tree is also deleted.
454 TIter next(fExtensions);
455 AliAODExtension *ext;
456 while ((ext=(AliAODExtension*)next())) ext->TerminateIO();
459 TIter nextf(fFilters);
460 AliAODExtension *ext;
461 while ((ext=(AliAODExtension*)nextf())) ext->TerminateIO();
466 //______________________________________________________________________________
467 void AliAODHandler::CreateTree(Int_t flag)
469 // Creates the AOD Tree
470 fTreeA = new TTree("aodTree", "AliAOD tree");
471 fTreeA->Branch(fAODEvent->GetList());
472 if (flag == 0) fTreeA->SetDirectory(0);
475 //______________________________________________________________________________
476 void AliAODHandler::FillTree()
483 //______________________________________________________________________________
484 void AliAODHandler::AddAODtoTreeUserInfo()
486 // Add aod event to tree user info
487 if (fTreeA) fTreeA->GetUserInfo()->Add(fAODEvent);
488 // Now the tree owns our fAODEvent...
492 //______________________________________________________________________________
493 void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filename)
495 // Add a new branch to the aod. Added optional filename parameter if the
496 // branch should be written to a separate file.
497 if (strlen(filename)) {
498 AliAODExtension *ext = AddExtension(filename);
499 ext->AddBranch(cname, addobj);
502 TDirectory *owd = gDirectory;
506 char** apointer = (char**) addobj;
507 TObject* obj = (TObject*) *apointer;
509 fAODEvent->AddObject(obj);
511 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
512 const Int_t kBufsize = 32000; // default value in TTree::Branch()
514 if (!fTreeA->FindBranch(obj->GetName())) {
515 // Do the same as if we book via
516 // TTree::Branch(TCollection*)
518 fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
519 kBufsize, kSplitlevel - 1);
524 //______________________________________________________________________________
525 AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *title)
527 // Add an AOD extension with some branches in a different file.
528 TString fname(filename);
529 if (!fname.EndsWith(".root")) fname += ".root";
531 fExtensions = new TObjArray();
532 fExtensions->SetOwner();
534 AliAODExtension *ext = (AliAODExtension*)fExtensions->FindObject(fname);
536 ext = new AliAODExtension(fname, title);
537 fExtensions->Add(ext);
542 //______________________________________________________________________________
543 AliAODExtension *AliAODHandler::GetExtension(const char *filename) const
545 // Getter for AOD extensions via file name.
546 if (!fExtensions) return NULL;
547 return (AliAODExtension*)fExtensions->FindObject(filename);
550 //______________________________________________________________________________
551 AliAODExtension *AliAODHandler::AddFilteredAOD(const char *filename, const char *filtername)
553 // Add an AOD extension that can write only AOD events that pass a user filter.
555 fFilters = new TObjArray();
556 fFilters->SetOwner();
558 AliAODExtension *filter = (AliAODExtension*)fFilters->FindObject(filename);
560 filter = new AliAODExtension(filename, filtername, kTRUE);
561 fFilters->Add(filter);
566 //______________________________________________________________________________
567 AliAODExtension *AliAODHandler::GetFilteredAOD(const char *filename) const
569 // Getter for AOD filters via file name.
570 if (!fFilters) return NULL;
571 return (AliAODExtension*)fFilters->FindObject(filename);
574 //______________________________________________________________________________
575 void AliAODHandler::SetOutputFileName(const char* fname)
581 //______________________________________________________________________________
582 const char *AliAODHandler::GetOutputFileName()
585 return fFileName.Data();
588 //______________________________________________________________________________
589 void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){
592 // Utility function to cover different cases for the AliGenEventHeader
593 // Needed since different ProcessType and ImpactParamter are not
594 // in the base class...
595 // We don't encode process types for event cocktails yet
596 // could be done e.g. by adding offsets depnding on the generator
598 mcHeader->AddGeneratorName(genHeader->GetName());
599 if(!genHeader)return;
600 AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
601 if (pythiaGenHeader) {
602 mcHeader->SetEventType(pythiaGenHeader->ProcessType());
603 mcHeader->SetPtHard(pythiaGenHeader->GetPtHard());
607 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader);
609 if (dpmJetGenHeader){
610 mcHeader->SetEventType(dpmJetGenHeader->ProcessType());
614 AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader);
616 mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter());
620 AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName()));
624 ClassImp(AliAODExtension)
626 //-------------------------------------------------------------------------
627 // Support class for AOD extensions. This is created by the user analysis
628 // that requires a separate file for some AOD branches. The name of the
629 // AliAODExtension object is the file name where the AOD branches will be
631 //-------------------------------------------------------------------------
633 //______________________________________________________________________________
634 AliAODExtension::AliAODExtension(const char* name, const char* title, Bool_t isfilter)
645 TObject::SetBit(kFilteredAOD);
646 printf("####### Added AOD filter %s\n", name);
647 } else printf("####### Added AOD extension %s\n", name);
650 //______________________________________________________________________________
651 AliAODExtension::~AliAODExtension()
655 // is already handled in TerminateIO
661 if (fTreeE) delete fTreeE;
664 //______________________________________________________________________________
665 void AliAODExtension::AddBranch(const char* cname, void* addobj)
667 // Add a new branch to the aod
668 if (IsFilteredAOD()) {
669 Error("AddBranch", "Not allowed to add branched to filtered AOD's.");
674 gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)%p, \"%%s\", s_tmp.Data());", type));
677 TDirectory *owd = gDirectory;
681 char** apointer = (char**) addobj;
682 TObject* obj = (TObject*) *apointer;
684 fAODEvent->AddObject(obj);
686 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
687 const Int_t kBufsize = 32000; // default value in TTree::Branch()
689 if (!fTreeE->FindBranch(obj->GetName())) {
690 // Do the same as if we book via
691 // TTree::Branch(TCollection*)
692 fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
693 kBufsize, kSplitlevel - 1);
698 //______________________________________________________________________________
699 Bool_t AliAODExtension::FinishEvent()
701 // Fill current event.
703 if (!IsFilteredAOD()) {
704 fAODEvent->MakeEntriesReferencable();
708 // Filtered AOD. Fill only if event is selected.
709 if (!fSelected) return kTRUE;
712 fSelected = kFALSE; // so that next event will not be selected unless demanded
716 //______________________________________________________________________________
717 Bool_t AliAODExtension::Init(Option_t *option)
720 if(!fAODEvent) fAODEvent = new AliAODEvent();
721 TDirectory *owd = gDirectory;
724 if (opt.Contains("proof")) {
726 // Merging via files. Need to access analysis manager via interpreter.
727 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fName.Data()));
730 fFileE = new TFile(GetName(), "RECREATE");
732 fTreeE = new TTree("aodTree", "AliAOD tree");
733 fTreeE->Branch(fAODEvent->GetList());
739 //______________________________________________________________________________
740 void AliAODExtension::SetEvent(AliAODEvent *event)
742 // Connects to an external event
743 if (!IsFilteredAOD()) {
744 Error("SetEvent", "Not allowed to set external event for filtered AOD's");
747 // Use the copy constructor or assignment operator to synchronize with external event.
748 // AliAODEvent &other = *event;
749 // if (!fAODEvent) fAODEvent = new AliAODEvent(other);
750 // else if (fSelected) *fAODEvent = other;
754 //______________________________________________________________________________
755 Bool_t AliAODExtension::TerminateIO()
758 if (TObject::TestBit(kFilteredAOD))
759 printf("AOD Filter %s: events processed: %d passed: %d\n", GetName(), fNtotal, fNpassed);
761 printf("AOD extension %s: events processed: %d\n", GetName(), fNtotal);