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());
202 // Get the MC Infos.. Handler needs to be set before
203 // while adding the branch
204 // This needs to be done, not to depend on the AnalysisManager
206 if(!fMCEventH)return;
207 if(!fMCEventH->MCEvent())return;
208 AliStack *pStack = fMCEventH->MCEvent()->Stack();
211 fMCEventH->CreateLabelMap();
214 // Get the Event Header
217 AliHeader* header = fMCEventH->MCEvent()->Header();
219 AliGenEventHeader* genHeader = 0;
220 if (header) genHeader = header->GenEventHeader();
223 genHeader->PrimaryVertex(vtxMC);
224 mcHeader->SetVertex(vtxMC[0],vtxMC[1],vtxMC[2]);
226 // we search the MCEventHeaders first
227 // Two cases, cocktail or not...
228 AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader);
229 if(genCocktailHeader){
230 // we have a coktail header
231 mcHeader->AddGeneratorName(genHeader->GetName());
232 // Loop from the back so that the first one sets the process type
233 TList* headerList = genCocktailHeader->GetHeaders();
234 for(int i = headerList->GetEntries()-1;i>=0;--i){
235 AliGenEventHeader *headerEntry = dynamic_cast<AliGenEventHeader*>(headerList->At(i));
236 SetMCHeaderInfo(mcHeader,headerEntry);
240 // No Cocktail just take the first one
241 SetMCHeaderInfo(mcHeader,genHeader);
249 // Store the AliAODParticlesMC
250 AliMCEvent* mcEvent = fMCEventH->MCEvent();
252 Int_t np = mcEvent->GetNumberOfTracks();
253 Int_t nprim = mcEvent->GetNumberOfPrimaries();
257 TClonesArray& l = *mcarray;
259 for(int i = 0; i < np; ++i){
260 if(fMCEventH->IsParticleSelected(i)){
262 AliMCParticle* mcpart = (AliMCParticle*) mcEvent->GetTrack(i);
263 if(i<nprim)flag |= AliAODMCParticle::kPrimary;
265 if(mcEvent->IsPhysicalPrimary(i))flag |= AliAODMCParticle::kPhysicalPrim;
267 if(fMCEventH->GetNewLabel(i)!=j){
268 AliError(Form("MISMATCH New label %d j: %d",fMCEventH->GetNewLabel(i),j));
271 AliAODMCParticle mcpart_tmp(mcpart,i,flag);
273 mcpart_tmp.SetStatus(mcpart->Particle()->GetStatusCode());
275 Int_t d0 = mcpart_tmp.GetDaughter(0);
276 Int_t d1 = mcpart_tmp.GetDaughter(1);
277 Int_t m = mcpart_tmp.GetMother();
279 // other than for the track labels, negative values mean
280 // no daughter/mother so preserve it
283 // no first daughter -> no second daughter
284 // nothing to be done
285 // second condition not needed just for sanity check at the end
286 mcpart_tmp.SetDaughter(0,d0);
287 mcpart_tmp.SetDaughter(1,d1);
288 } else if(d1 < 0 && d0 >= 0) {
290 // second condition not needed just for sanity check at the end
291 if(fMCEventH->IsParticleSelected(d0)){
292 mcpart_tmp.SetDaughter(0,fMCEventH->GetNewLabel(d0));
294 mcpart_tmp.SetDaughter(0,-1);
296 mcpart_tmp.SetDaughter(1,d1);
298 else if (d0 > 0 && d1 > 0 ){
299 // we have two or more daughters loop on the stack to see if they are
303 for(int id = d0; id<=d1;++id){
304 if(fMCEventH->IsParticleSelected(id)){
307 d0_tmp = fMCEventH->GetNewLabel(id);
308 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
310 else d1_tmp = fMCEventH->GetNewLabel(id);
313 mcpart_tmp.SetDaughter(0,d0_tmp);
314 mcpart_tmp.SetDaughter(1,d1_tmp);
316 AliError(Form("Unxpected indices %d %d",d0,d1));
320 mcpart_tmp.SetMother(m);
322 if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m));
323 else AliError(Form("PROBLEM Mother not selected %d \n", m));
326 new (l[j++]) AliAODMCParticle(mcpart_tmp);
330 AliInfo(Form("AliAODHandler::StoreMCParticles: Selected %d (Primaries %d / total %d) after validation \n",
333 // Set the labels in the AOD output...
337 TClonesArray* tracks = fAODEvent->GetTracks();
339 for(int it = 0; it < fAODEvent->GetNTracks();++it){
340 AliAODTrack *track = fAODEvent->GetTrack(it);
343 Int_t label = track->GetLabel();
344 if(label<0){ // preserve the sign for later usage
349 if (label >= AliMCEvent::BgLabelOffset()) label = mcEvent->BgLabelToIndex(label);
350 if(label > np || track->GetLabel() == 0){
351 AliWarning(Form("Wrong ESD track label %5d (%5d)",track->GetLabel(), label));
353 if(fMCEventH->GetNewLabel(label) == 0){
354 AliWarning(Form("New label not found for %5d (%5d)",track->GetLabel(), label));
356 track->SetLabel(sign*fMCEventH->GetNewLabel(label));
361 TClonesArray *clusters = fAODEvent->GetCaloClusters();
363 for (Int_t iClust = 0;iClust < fAODEvent->GetNCaloClusters(); ++iClust) {
364 AliAODCaloCluster * cluster = fAODEvent->GetCaloCluster(iClust);
365 UInt_t nLabel = cluster->GetNLabel();
366 // Ugly but do not want to fragment memory by creating
367 // new Int_t (nLabel)
368 Int_t* labels = const_cast<Int_t*>(cluster->GetLabels());
370 for(UInt_t i = 0;i < nLabel;++i){
371 labels[i] = fMCEventH->GetNewLabel(cluster->GetLabel(i));
374 // cluster->SetLabels(labels,nLabel);
379 AliAODTracklets *tracklets = fAODEvent->GetTracklets();
381 for(int it = 0;it < tracklets->GetNumberOfTracklets();++it){
382 int label0 = tracklets->GetLabel(it,0);
383 int label1 = tracklets->GetLabel(it,1);
384 if(label0>=0)label0 = fMCEventH->GetNewLabel(label0);
385 if(label1>=0)label1 = fMCEventH->GetNewLabel(label1);
386 tracklets->SetLabel(it,0,label0);
387 tracklets->SetLabel(it,1,label1);
393 //______________________________________________________________________________
394 Bool_t AliAODHandler::FinishEvent()
396 // Fill data structures
397 if(fFillAOD && fFillAODRun && fAODEvent){
398 fAODEvent->MakeEntriesReferencable();
404 TIter next(fExtensions);
405 AliAODExtension *ext;
406 while ((ext=(AliAODExtension*)next())) ext->FinishEvent();
409 TIter nextf(fFilters);
410 AliAODExtension *ext;
411 while ((ext=(AliAODExtension*)nextf())) {
416 if (fIsStandard) fAODEvent->ResetStd();
417 TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName());
418 if(mcarray) mcarray->Delete();
420 // Reset AOD replication flag
421 fAODIsReplicated = kFALSE;
425 //______________________________________________________________________________
426 Bool_t AliAODHandler::Terminate()
429 AddAODtoTreeUserInfo();
431 TIter next(fExtensions);
432 AliAODExtension *ext;
433 while ((ext=(AliAODExtension*)next())) ext->GetTree()->GetUserInfo()->Add(ext->GetAOD());
438 //______________________________________________________________________________
439 Bool_t AliAODHandler::TerminateIO()
447 // When closing the file, the tree is also deleted.
451 TIter next(fExtensions);
452 AliAODExtension *ext;
453 while ((ext=(AliAODExtension*)next())) ext->TerminateIO();
456 TIter nextf(fFilters);
457 AliAODExtension *ext;
458 while ((ext=(AliAODExtension*)nextf())) ext->TerminateIO();
463 //______________________________________________________________________________
464 void AliAODHandler::CreateTree(Int_t flag)
466 // Creates the AOD Tree
467 fTreeA = new TTree("aodTree", "AliAOD tree");
468 fTreeA->Branch(fAODEvent->GetList());
469 if (flag == 0) fTreeA->SetDirectory(0);
472 //______________________________________________________________________________
473 void AliAODHandler::FillTree()
480 //______________________________________________________________________________
481 void AliAODHandler::AddAODtoTreeUserInfo()
483 // Add aod event to tree user info
484 if (fTreeA) fTreeA->GetUserInfo()->Add(fAODEvent);
485 // Now the tree owns our fAODEvent...
489 //______________________________________________________________________________
490 void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filename)
492 // Add a new branch to the aod. Added optional filename parameter if the
493 // branch should be written to a separate file.
494 if (strlen(filename)) {
495 AliAODExtension *ext = AddExtension(filename);
496 ext->AddBranch(cname, addobj);
499 TDirectory *owd = gDirectory;
503 char** apointer = (char**) addobj;
504 TObject* obj = (TObject*) *apointer;
506 fAODEvent->AddObject(obj);
508 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
509 const Int_t kBufsize = 32000; // default value in TTree::Branch()
511 if (!fTreeA->FindBranch(obj->GetName())) {
512 // Do the same as if we book via
513 // TTree::Branch(TCollection*)
515 fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
516 kBufsize, kSplitlevel - 1);
521 //______________________________________________________________________________
522 AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *title)
524 // Add an AOD extension with some branches in a different file.
525 TString fname(filename);
526 if (!fname.EndsWith(".root")) fname += ".root";
528 fExtensions = new TObjArray();
529 fExtensions->SetOwner();
531 AliAODExtension *ext = (AliAODExtension*)fExtensions->FindObject(fname);
533 ext = new AliAODExtension(fname, title);
534 fExtensions->Add(ext);
539 //______________________________________________________________________________
540 AliAODExtension *AliAODHandler::GetExtension(const char *filename) const
542 // Getter for AOD extensions via file name.
543 if (!fExtensions) return NULL;
544 return (AliAODExtension*)fExtensions->FindObject(filename);
547 //______________________________________________________________________________
548 AliAODExtension *AliAODHandler::AddFilteredAOD(const char *filename, const char *filtername)
550 // Add an AOD extension that can write only AOD events that pass a user filter.
552 fFilters = new TObjArray();
553 fFilters->SetOwner();
555 AliAODExtension *filter = (AliAODExtension*)fFilters->FindObject(filename);
557 filter = new AliAODExtension(filename, filtername, kTRUE);
558 fFilters->Add(filter);
563 //______________________________________________________________________________
564 AliAODExtension *AliAODHandler::GetFilteredAOD(const char *filename) const
566 // Getter for AOD filters via file name.
567 if (!fFilters) return NULL;
568 return (AliAODExtension*)fFilters->FindObject(filename);
571 //______________________________________________________________________________
572 void AliAODHandler::SetOutputFileName(const char* fname)
578 //______________________________________________________________________________
579 const char *AliAODHandler::GetOutputFileName()
582 return fFileName.Data();
585 //______________________________________________________________________________
586 void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){
589 // Utility function to cover different cases for the AliGenEventHeader
590 // Needed since different ProcessType and ImpactParamter are not
591 // in the base class...
592 // We don't encode process types for event cocktails yet
593 // could be done e.g. by adding offsets depnding on the generator
595 mcHeader->AddGeneratorName(genHeader->GetName());
596 if(!genHeader)return;
597 AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
598 if (pythiaGenHeader) {
599 mcHeader->SetEventType(pythiaGenHeader->ProcessType());
600 mcHeader->SetPtHard(pythiaGenHeader->GetPtHard());
604 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader);
606 if (dpmJetGenHeader){
607 mcHeader->SetEventType(dpmJetGenHeader->ProcessType());
611 AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader);
613 mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter());
617 AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName()));
621 ClassImp(AliAODExtension)
623 //-------------------------------------------------------------------------
624 // Support class for AOD extensions. This is created by the user analysis
625 // that requires a separate file for some AOD branches. The name of the
626 // AliAODExtension object is the file name where the AOD branches will be
628 //-------------------------------------------------------------------------
630 //______________________________________________________________________________
631 AliAODExtension::AliAODExtension(const char* name, const char* title, Bool_t isfilter)
642 TObject::SetBit(kFilteredAOD);
643 printf("####### Added AOD filter %s\n", name);
644 } else printf("####### Added AOD extension %s\n", name);
647 //______________________________________________________________________________
648 AliAODExtension::~AliAODExtension()
652 // is already handled in TerminateIO
658 if (fTreeE) delete fTreeE;
661 //______________________________________________________________________________
662 void AliAODExtension::AddBranch(const char* cname, void* addobj)
664 // Add a new branch to the aod
665 if (IsFilteredAOD()) {
666 Error("AddBranch", "Not allowed to add branched to filtered AOD's.");
671 gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)0x%lx, \"%%s\", s_tmp.Data());", type));
674 TDirectory *owd = gDirectory;
678 char** apointer = (char**) addobj;
679 TObject* obj = (TObject*) *apointer;
681 fAODEvent->AddObject(obj);
683 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
684 const Int_t kBufsize = 32000; // default value in TTree::Branch()
686 if (!fTreeE->FindBranch(obj->GetName())) {
687 // Do the same as if we book via
688 // TTree::Branch(TCollection*)
689 fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
690 kBufsize, kSplitlevel - 1);
695 //______________________________________________________________________________
696 Bool_t AliAODExtension::FinishEvent()
698 // Fill current event.
700 if (!IsFilteredAOD()) {
701 fAODEvent->MakeEntriesReferencable();
705 // Filtered AOD. Fill only if event is selected.
706 if (!fSelected) return kTRUE;
709 fSelected = kFALSE; // so that next event will not be selected unless demanded
713 //______________________________________________________________________________
714 Bool_t AliAODExtension::Init(Option_t *option)
717 if(!fAODEvent) fAODEvent = new AliAODEvent();
718 TDirectory *owd = gDirectory;
721 if (opt.Contains("proof")) {
723 // Merging via files. Need to access analysis manager via interpreter.
724 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fName.Data()));
727 fFileE = new TFile(GetName(), "RECREATE");
729 fTreeE = new TTree("aodTree", "AliAOD tree");
730 fTreeE->Branch(fAODEvent->GetList());
736 //______________________________________________________________________________
737 void AliAODExtension::SetEvent(AliAODEvent *event)
739 // Connects to an external event
740 if (!IsFilteredAOD()) {
741 Error("SetEvent", "Not allowed to set external event for filtered AOD's");
744 // Use the copy constructor or assignment operator to synchronize with external event.
745 // AliAODEvent &other = *event;
746 // if (!fAODEvent) fAODEvent = new AliAODEvent(other);
747 // else if (fSelected) *fAODEvent = other;
751 //______________________________________________________________________________
752 Bool_t AliAODExtension::TerminateIO()
755 if (TObject::TestBit(kFilteredAOD))
756 printf("AOD Filter %s: events processed: %d passed: %d\n", GetName(), fNtotal, fNpassed);
758 printf("AOD extension %s: events processed: %d\n", GetName(), fNtotal);