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 fNeedsTrackletsBranchReplication(kFALSE),
61 fNeedsPMDClustersBranchReplication(kFALSE),
62 fNeedsJetsBranchReplication(kFALSE),
63 fNeedsFMDClustersBranchReplication(kFALSE),
64 fNeedsCaloClustersBranchReplication(kFALSE),
65 fNeedsMCParticlesBranchReplication(kFALSE),
66 fNeedsDimuonsBranchReplication(kFALSE),
67 fAODIsReplicated(kFALSE),
76 // default constructor
79 //______________________________________________________________________________
80 AliAODHandler::AliAODHandler(const char* name, const char* title):
81 AliVEventHandler(name, title),
85 fNeedsHeaderReplication(kFALSE),
86 fNeedsTracksBranchReplication(kFALSE),
87 fNeedsVerticesBranchReplication(kFALSE),
88 fNeedsV0sBranchReplication(kFALSE),
89 fNeedsTrackletsBranchReplication(kFALSE),
90 fNeedsPMDClustersBranchReplication(kFALSE),
91 fNeedsJetsBranchReplication(kFALSE),
92 fNeedsFMDClustersBranchReplication(kFALSE),
93 fNeedsCaloClustersBranchReplication(kFALSE),
94 fNeedsMCParticlesBranchReplication(kFALSE),
95 fNeedsDimuonsBranchReplication(kFALSE),
96 fAODIsReplicated(kFALSE),
105 // Normal constructor.
108 //______________________________________________________________________________
109 AliAODHandler::~AliAODHandler()
112 if (fAODEvent) delete fAODEvent;
114 // is already handled in TerminateIO
119 if (fTreeA) delete fTreeA;
120 if (fExtensions) {fExtensions->Delete(); delete fExtensions;}
121 if (fFilters) {fFilters->Delete(); delete fFilters;}
124 //______________________________________________________________________________
125 Bool_t AliAODHandler::Init(Option_t* opt)
129 // Create the AODevent object
130 Bool_t createStdAOD = fIsStandard || fFillAOD;
131 if(!fAODEvent && createStdAOD){
132 fAODEvent = new AliAODEvent();
133 if (fIsStandard) fAODEvent->CreateStdContent();
136 // File opening according to execution mode
140 TDirectory *owd = gDirectory;
141 if (option.Contains("proof")) {
143 // Merging via files. Need to access analysis manager via interpreter.
144 gROOT->ProcessLine(Form("AliAnalysisDataContainer *c_common_out = AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer();"));
145 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(c_common_out, \"RECREATE\");"));
149 fFileA = new TFile(fFileName.Data(), "RECREATE");
155 TIter next(fExtensions);
156 AliAODExtension *ext;
157 while ((ext=(AliAODExtension*)next())) ext->Init(option);
160 TIter nextf(fFilters);
161 AliAODExtension *filteredAOD;
162 while ((filteredAOD=(AliAODExtension*)nextf())) {
163 filteredAOD->SetEvent(fAODEvent);
164 filteredAOD->Init(option);
170 //______________________________________________________________________________
171 void AliAODHandler::StoreMCParticles(){
174 // Remap the labels from ESD stack and store
175 // the AODMCParticles, makes only sense if we have
176 // the mcparticles branch
177 // has to be done here since we cannot know in advance
178 // which particles are needed (e.g. by the tracks etc.)
180 // Particles have been selected by AliMCEventhanlder->SelectParticle()
181 // To use the MCEventhandler here we need to set it from the outside
182 // can vanish when Handler go to the ANALYSISalice library
184 // The Branch booking for mcParticles and mcHeader has to happen
185 // in an external task for now since the AODHandler does not have access
186 // the AnalysisManager. For the same reason the pointer t o the MCEventH
187 // has to passed to the AOD Handler by this task
188 // (doing this in the steering macro would not work on PROOF)
190 if (!fAODEvent) return;
191 TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName());
195 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();
397 // StoreMCParticles();
402 TIter next(fExtensions);
403 AliAODExtension *ext;
404 while ((ext=(AliAODExtension*)next())) ext->FinishEvent();
407 TIter nextf(fFilters);
408 AliAODExtension *ext;
409 while ((ext=(AliAODExtension*)nextf())) {
414 if (fIsStandard) fAODEvent->ResetStd();
415 // Reset AOD replication flag
416 fAODIsReplicated = kFALSE;
420 //______________________________________________________________________________
421 Bool_t AliAODHandler::Terminate()
424 AddAODtoTreeUserInfo();
426 TIter next(fExtensions);
427 AliAODExtension *ext;
428 while ((ext=(AliAODExtension*)next())) ext->GetTree()->GetUserInfo()->Add(ext->GetAOD());
433 //______________________________________________________________________________
434 Bool_t AliAODHandler::TerminateIO()
442 // When closing the file, the tree is also deleted.
446 TIter next(fExtensions);
447 AliAODExtension *ext;
448 while ((ext=(AliAODExtension*)next())) ext->TerminateIO();
451 TIter nextf(fFilters);
452 AliAODExtension *ext;
453 while ((ext=(AliAODExtension*)nextf())) ext->TerminateIO();
458 //______________________________________________________________________________
459 void AliAODHandler::CreateTree(Int_t flag)
461 // Creates the AOD Tree
462 fTreeA = new TTree("aodTree", "AliAOD tree");
463 fTreeA->Branch(fAODEvent->GetList());
465 if (flag == 0) fTreeA->SetDirectory(0);
468 //______________________________________________________________________________
469 void AliAODHandler::FillTree()
476 //______________________________________________________________________________
477 void AliAODHandler::AddAODtoTreeUserInfo()
479 // Add aod event to tree user info
480 if (fTreeA) fTreeA->GetUserInfo()->Add(fAODEvent);
481 // Now the tree owns our fAODEvent...
485 //______________________________________________________________________________
486 void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filename)
488 // Add a new branch to the aod. Added optional filename parameter if the
489 // branch should be written to a separate file.
490 if (strlen(filename)) {
491 AliAODExtension *ext = AddExtension(filename);
492 ext->AddBranch(cname, addobj);
495 TDirectory *owd = gDirectory;
499 char** apointer = (char**) addobj;
500 TObject* obj = (TObject*) *apointer;
502 fAODEvent->AddObject(obj);
504 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
505 const Int_t kBufsize = 32000; // default value in TTree::Branch()
507 if (!fTreeA->FindBranch(obj->GetName())) {
508 // Do the same as if we book via
509 // TTree::Branch(TCollection*)
511 fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
512 kBufsize, kSplitlevel - 1);
513 // fTreeA->Branch(obj->GetName(), cname, addobj);
518 //______________________________________________________________________________
519 AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *title)
521 // Add an AOD extension with some branches in a different file.
522 TString fname(filename);
523 if (!fname.EndsWith(".root")) fname += ".root";
525 fExtensions = new TObjArray();
526 fExtensions->SetOwner();
528 AliAODExtension *ext = (AliAODExtension*)fExtensions->FindObject(fname);
530 ext = new AliAODExtension(fname, title);
531 fExtensions->Add(ext);
536 //______________________________________________________________________________
537 AliAODExtension *AliAODHandler::GetExtension(const char *filename) const
539 // Getter for AOD extensions via file name.
540 if (!fExtensions) return NULL;
541 return (AliAODExtension*)fExtensions->FindObject(filename);
544 //______________________________________________________________________________
545 AliAODExtension *AliAODHandler::AddFilteredAOD(const char *filename, const char *filtername)
547 // Add an AOD extension that can write only AOD events that pass a user filter.
549 fFilters = new TObjArray();
550 fFilters->SetOwner();
552 AliAODExtension *filter = (AliAODExtension*)fFilters->FindObject(filename);
554 filter = new AliAODExtension(filename, filtername, kTRUE);
555 fFilters->Add(filter);
560 //______________________________________________________________________________
561 AliAODExtension *AliAODHandler::GetFilteredAOD(const char *filename) const
563 // Getter for AOD filters via file name.
564 if (!fFilters) return NULL;
565 return (AliAODExtension*)fFilters->FindObject(filename);
568 //______________________________________________________________________________
569 void AliAODHandler::SetOutputFileName(const char* fname)
575 //______________________________________________________________________________
576 const char *AliAODHandler::GetOutputFileName()
579 return fFileName.Data();
582 //______________________________________________________________________________
583 void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){
586 // Utility function to cover different cases for the AliGenEventHeader
587 // Needed since different ProcessType and ImpactParamter are not
588 // in the base class...
589 // We don't encode process types for event cocktails yet
590 // could be done e.g. by adding offsets depnding on the generator
592 mcHeader->AddGeneratorName(genHeader->GetName());
593 if(!genHeader)return;
594 AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
595 if (pythiaGenHeader) {
596 mcHeader->SetEventType(pythiaGenHeader->ProcessType());
597 mcHeader->SetPtHard(pythiaGenHeader->GetPtHard());
601 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader);
603 if (dpmJetGenHeader){
604 mcHeader->SetEventType(dpmJetGenHeader->ProcessType());
608 AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader);
610 mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter());
614 AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName()));
618 ClassImp(AliAODExtension)
620 //-------------------------------------------------------------------------
621 // Support class for AOD extensions. This is created by the user analysis
622 // that requires a separate file for some AOD branches. The name of the
623 // AliAODExtension object is the file name where the AOD branches will be
625 //-------------------------------------------------------------------------
627 //______________________________________________________________________________
628 AliAODExtension::AliAODExtension(const char* name, const char* title, Bool_t isfilter)
639 TObject::SetBit(kFilteredAOD);
640 printf("####### Added AOD filter %s\n", name);
641 } else printf("####### Added AOD extension %s\n", name);
644 //______________________________________________________________________________
645 AliAODExtension::~AliAODExtension()
649 // is already handled in TerminateIO
655 if (fTreeE) delete fTreeE;
658 //______________________________________________________________________________
659 void AliAODExtension::AddBranch(const char* cname, void* addobj)
661 // Add a new branch to the aod
662 if (IsFilteredAOD()) {
663 Error("AddBranch", "Not allowed to add branched to filtered AOD's.");
668 gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)0x%lx, \"%%s\", s_tmp.Data());", type));
671 TDirectory *owd = gDirectory;
675 char** apointer = (char**) addobj;
676 TObject* obj = (TObject*) *apointer;
678 fAODEvent->AddObject(obj);
680 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
681 const Int_t kBufsize = 32000; // default value in TTree::Branch()
683 if (!fTreeE->FindBranch(obj->GetName())) {
684 // Do the same as if we book via
685 // TTree::Branch(TCollection*)
687 fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
688 kBufsize, kSplitlevel - 1);
689 // fTreeA->Branch(obj->GetName(), cname, addobj);
694 //______________________________________________________________________________
695 Bool_t AliAODExtension::FinishEvent()
697 // Fill current event.
699 if (!IsFilteredAOD()) {
700 fAODEvent->MakeEntriesReferencable();
704 // Filtered AOD. Fill only if event is selected.
705 if (!fSelected) return kTRUE;
708 fSelected = kFALSE; // so that next event will not be selected unless demanded
712 //______________________________________________________________________________
713 Bool_t AliAODExtension::Init(Option_t *option)
716 if(!fAODEvent) fAODEvent = new AliAODEvent();
717 TDirectory *owd = gDirectory;
720 if (opt.Contains("proof")) {
722 // Merging via files. Need to access analysis manager via interpreter.
723 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fName.Data()));
726 fFileE = new TFile(GetName(), "RECREATE");
728 fTreeE = new TTree("aodTree", "AliAOD tree");
729 fTreeE->Branch(fAODEvent->GetList());
735 //______________________________________________________________________________
736 void AliAODExtension::SetEvent(AliAODEvent *event)
738 // Connects to an external event
739 if (!IsFilteredAOD()) {
740 Error("SetEvent", "Not allowed to set external event for filtered AOD's");
743 // Use the copy constructor or assignment operator to synchronize with external event.
744 // AliAODEvent &other = *event;
745 // if (!fAODEvent) fAODEvent = new AliAODEvent(other);
746 // else if (fSelected) *fAODEvent = other;
750 //______________________________________________________________________________
751 Bool_t AliAODExtension::TerminateIO()
754 if (TObject::TestBit(kFilteredAOD))
755 printf("AOD Filter %s: events processed: %d passed: %d\n", GetName(), fNtotal, fNpassed);
757 printf("AOD extension %s: events processed: %d\n", GetName(), fNtotal);