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 *
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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
126 Bool_t createStdAOD = fIsStandard || fFillAOD;
127 if(!fAODEvent && createStdAOD){
128 fAODEvent = new AliAODEvent();
129 if (fIsStandard) fAODEvent->CreateStdContent();
132 // File opening according to execution mode
136 TDirectory *owd = gDirectory;
137 if (option.Contains("proof")) {
139 // Merging via files. Need to access analysis manager via interpreter.
140 gROOT->ProcessLine(Form("AliAnalysisDataContainer *c_common_out = AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer();"));
141 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(c_common_out, \"RECREATE\");"));
145 fFileA = new TFile(fFileName.Data(), "RECREATE");
151 TIter next(fExtensions);
152 AliAODExtension *ext;
153 while ((ext=(AliAODExtension*)next())) ext->Init(option);
156 TIter nextf(fFilters);
157 AliAODExtension *filteredAOD;
158 while ((filteredAOD=(AliAODExtension*)nextf())) {
159 filteredAOD->SetEvent(fAODEvent);
160 filteredAOD->Init(option);
166 //______________________________________________________________________________
167 void AliAODHandler::StoreMCParticles(){
170 // Remap the labels from ESD stack and store
171 // the AODMCParticles, makes only sense if we have
172 // the mcparticles branch
173 // has to be done here since we cannot know in advance
174 // which particles are needed (e.g. by the tracks etc.)
176 // Particles have been selected by AliMCEventhanlder->SelectParticle()
177 // To use the MCEventhandler here we need to set it from the outside
178 // can vanish when Handler go to the ANALYSISalice library
180 // The Branch booking for mcParticles and mcHeader has to happen
181 // in an external task for now since the AODHandler does not have access
182 // the AnalysisManager. For the same reason the pointer t o the MCEventH
183 // has to passed to the AOD Handler by this task
184 // (doing this in the steering macro would not work on PROOF)
186 if (!fAODEvent) return;
187 TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName());
191 AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName());
196 // Get the MC Infos.. Handler needs to be set before
197 // while adding the branch
198 // This needs to be done, not to depend on the AnalysisManager
200 if(!fMCEventH)return;
201 if(!fMCEventH->MCEvent())return;
202 AliStack *pStack = fMCEventH->MCEvent()->Stack();
205 fMCEventH->CreateLabelMap();
208 // Get the Event Header
211 AliHeader* header = fMCEventH->MCEvent()->Header();
213 AliGenEventHeader* genHeader = 0;
214 if (header) genHeader = header->GenEventHeader();
217 genHeader->PrimaryVertex(vtxMC);
218 mcHeader->SetVertex(vtxMC[0],vtxMC[1],vtxMC[2]);
220 // we search the MCEventHeaders first
221 // Two cases, cocktail or not...
222 AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(genHeader);
223 if(genCocktailHeader){
224 // we have a coktail header
225 mcHeader->AddGeneratorName(genHeader->GetName());
226 // Loop from the back so that the first one sets the process type
227 TList* headerList = genCocktailHeader->GetHeaders();
228 for(int i = headerList->GetEntries()-1;i>=0;--i){
229 AliGenEventHeader *headerEntry = dynamic_cast<AliGenEventHeader*>(headerList->At(i));
230 SetMCHeaderInfo(mcHeader,headerEntry);
234 // No Cocktail just take the first one
235 SetMCHeaderInfo(mcHeader,genHeader);
243 // Store the AliAODParticlesMC
244 AliMCEvent* mcEvent = fMCEventH->MCEvent();
246 Int_t np = mcEvent->GetNumberOfTracks();
247 Int_t nprim = mcEvent->GetNumberOfPrimaries();
251 TClonesArray& l = *mcarray;
253 for(int i = 0; i < np; ++i){
254 if(fMCEventH->IsParticleSelected(i)){
256 AliMCParticle* mcpart = (AliMCParticle*) mcEvent->GetTrack(i);
257 if(i<nprim)flag |= AliAODMCParticle::kPrimary;
259 if(mcEvent->IsPhysicalPrimary(i))flag |= AliAODMCParticle::kPhysicalPrim;
261 if(fMCEventH->GetNewLabel(i)!=j){
262 AliError(Form("MISMATCH New label %d j: %d",fMCEventH->GetNewLabel(i),j));
265 AliAODMCParticle mcpart_tmp(mcpart,i,flag);
267 mcpart_tmp.SetStatus(mcpart->Particle()->GetStatusCode());
269 Int_t d0 = mcpart_tmp.GetDaughter(0);
270 Int_t d1 = mcpart_tmp.GetDaughter(1);
271 Int_t m = mcpart_tmp.GetMother();
273 // other than for the track labels, negative values mean
274 // no daughter/mother so preserve it
277 // no first daughter -> no second daughter
278 // nothing to be done
279 // second condition not needed just for sanity check at the end
280 mcpart_tmp.SetDaughter(0,d0);
281 mcpart_tmp.SetDaughter(1,d1);
282 } else if(d1 < 0 && d0 >= 0) {
284 // second condition not needed just for sanity check at the end
285 if(fMCEventH->IsParticleSelected(d0)){
286 mcpart_tmp.SetDaughter(0,fMCEventH->GetNewLabel(d0));
288 mcpart_tmp.SetDaughter(0,-1);
290 mcpart_tmp.SetDaughter(1,d1);
292 else if (d0 > 0 && d1 > 0 ){
293 // we have two or more daughters loop on the stack to see if they are
297 for(int id = d0; id<=d1;++id){
298 if(fMCEventH->IsParticleSelected(id)){
301 d0_tmp = fMCEventH->GetNewLabel(id);
302 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
304 else d1_tmp = fMCEventH->GetNewLabel(id);
307 mcpart_tmp.SetDaughter(0,d0_tmp);
308 mcpart_tmp.SetDaughter(1,d1_tmp);
310 AliError(Form("Unxpected indices %d %d",d0,d1));
314 mcpart_tmp.SetMother(m);
316 if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m));
317 else AliError(Form("PROBLEM Mother not selected %d \n", m));
320 new (l[j++]) AliAODMCParticle(mcpart_tmp);
324 AliInfo(Form("AliAODHandler::StoreMCParticles: Selected %d (Primaries %d / total %d) after validation \n",
327 // Set the labels in the AOD output...
331 TClonesArray* tracks = fAODEvent->GetTracks();
333 for(int it = 0; it < fAODEvent->GetNTracks();++it){
334 AliAODTrack *track = fAODEvent->GetTrack(it);
337 Int_t label = track->GetLabel();
338 if(label<0){ // preserve the sign for later usage
343 if (label >= AliMCEvent::BgLabelOffset()) label = mcEvent->BgLabelToIndex(label);
344 if(label > np || track->GetLabel() == 0){
345 AliWarning(Form("Wrong ESD track label %5d (%5d)",track->GetLabel(), label));
347 if(fMCEventH->GetNewLabel(label) == 0){
348 AliWarning(Form("New label not found for %5d (%5d)",track->GetLabel(), label));
350 track->SetLabel(sign*fMCEventH->GetNewLabel(label));
355 TClonesArray *clusters = fAODEvent->GetCaloClusters();
357 for (Int_t iClust = 0;iClust < fAODEvent->GetNCaloClusters(); ++iClust) {
358 AliAODCaloCluster * cluster = fAODEvent->GetCaloCluster(iClust);
359 UInt_t nLabel = cluster->GetNLabel();
360 // Ugly but do not want to fragment memory by creating
361 // new Int_t (nLabel)
362 Int_t* labels = const_cast<Int_t*>(cluster->GetLabels());
364 for(UInt_t i = 0;i < nLabel;++i){
365 labels[i] = fMCEventH->GetNewLabel(cluster->GetLabel(i));
368 // cluster->SetLabels(labels,nLabel);
373 AliAODTracklets *tracklets = fAODEvent->GetTracklets();
375 for(int it = 0;it < tracklets->GetNumberOfTracklets();++it){
376 int label0 = tracklets->GetLabel(it,0);
377 int label1 = tracklets->GetLabel(it,1);
378 if(label0>=0)label0 = fMCEventH->GetNewLabel(label0);
379 if(label1>=0)label1 = fMCEventH->GetNewLabel(label1);
380 tracklets->SetLabel(it,0,label0);
381 tracklets->SetLabel(it,1,label1);
387 //______________________________________________________________________________
388 Bool_t AliAODHandler::FinishEvent()
390 // Fill data structures
392 fAODEvent->MakeEntriesReferencable();
393 // StoreMCParticles();
397 TIter next(fExtensions);
398 AliAODExtension *ext;
399 while ((ext=(AliAODExtension*)next())) ext->FinishEvent();
402 TIter nextf(fFilters);
403 AliAODExtension *ext;
404 while ((ext=(AliAODExtension*)nextf())) {
405 // ext->SetEvent(fAODEvent);
409 if (fIsStandard) fAODEvent->ResetStd();
410 // Reset AOD replication flag
411 fAODIsReplicated = kFALSE;
415 //______________________________________________________________________________
416 Bool_t AliAODHandler::Terminate()
419 AddAODtoTreeUserInfo();
421 TIter next(fExtensions);
422 AliAODExtension *ext;
423 while ((ext=(AliAODExtension*)next())) ext->GetTree()->GetUserInfo()->Add(ext->GetAOD());
428 //______________________________________________________________________________
429 Bool_t AliAODHandler::TerminateIO()
437 // When closing the file, the tree is also deleted.
441 TIter next(fExtensions);
442 AliAODExtension *ext;
443 while ((ext=(AliAODExtension*)next())) ext->TerminateIO();
446 TIter nextf(fFilters);
447 AliAODExtension *ext;
448 while ((ext=(AliAODExtension*)nextf())) ext->TerminateIO();
453 //______________________________________________________________________________
454 void AliAODHandler::CreateTree(Int_t flag)
456 // Creates the AOD Tree
457 fTreeA = new TTree("aodTree", "AliAOD tree");
458 fTreeA->Branch(fAODEvent->GetList());
459 if (flag == 0) fTreeA->SetDirectory(0);
462 //______________________________________________________________________________
463 void AliAODHandler::FillTree()
469 //______________________________________________________________________________
470 void AliAODHandler::AddAODtoTreeUserInfo()
472 // Add aod event to tree user info
473 if (fTreeA) fTreeA->GetUserInfo()->Add(fAODEvent);
474 // Now the tree owns our fAODEvent...
478 //______________________________________________________________________________
479 void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filename)
481 // Add a new branch to the aod. Added optional filename parameter if the
482 // branch should be written to a separate file.
483 if (strlen(filename)) {
484 AliAODExtension *ext = AddExtension(filename);
485 ext->AddBranch(cname, addobj);
488 TDirectory *owd = gDirectory;
492 char** apointer = (char**) addobj;
493 TObject* obj = (TObject*) *apointer;
495 fAODEvent->AddObject(obj);
497 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
498 const Int_t kBufsize = 32000; // default value in TTree::Branch()
500 if (!fTreeA->FindBranch(obj->GetName())) {
501 // Do the same as if we book via
502 // TTree::Branch(TCollection*)
504 fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
505 kBufsize, kSplitlevel - 1);
506 // fTreeA->Branch(obj->GetName(), cname, addobj);
511 //______________________________________________________________________________
512 AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *title)
514 // Add an AOD extension with some branches in a different file.
515 TString fname(filename);
516 if (!fname.EndsWith(".root")) fname += ".root";
518 fExtensions = new TObjArray();
519 fExtensions->SetOwner();
521 AliAODExtension *ext = (AliAODExtension*)fExtensions->FindObject(fname);
523 ext = new AliAODExtension(fname, title);
524 fExtensions->Add(ext);
529 //______________________________________________________________________________
530 AliAODExtension *AliAODHandler::GetExtension(const char *filename) const
532 // Getter for AOD extensions via file name.
533 if (!fExtensions) return NULL;
534 return (AliAODExtension*)fExtensions->FindObject(filename);
537 //______________________________________________________________________________
538 AliAODExtension *AliAODHandler::AddFilteredAOD(const char *filename, const char *filtername)
540 // Add an AOD extension that can write only AOD events that pass a user filter.
542 fFilters = new TObjArray();
543 fFilters->SetOwner();
545 AliAODExtension *filter = (AliAODExtension*)fFilters->FindObject(filename);
547 filter = new AliAODExtension(filename, filtername, kTRUE);
548 fFilters->Add(filter);
553 //______________________________________________________________________________
554 AliAODExtension *AliAODHandler::GetFilteredAOD(const char *filename) const
556 // Getter for AOD filters via file name.
557 if (!fFilters) return NULL;
558 return (AliAODExtension*)fFilters->FindObject(filename);
561 //______________________________________________________________________________
562 void AliAODHandler::SetOutputFileName(const char* fname)
568 //______________________________________________________________________________
569 const char *AliAODHandler::GetOutputFileName()
572 return fFileName.Data();
575 //______________________________________________________________________________
576 void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){
579 // Utility function to cover different cases for the AliGenEventHeader
580 // Needed since different ProcessType and ImpactParamter are not
581 // in the base class...
582 // We don't encode process types for event cocktails yet
583 // could be done e.g. by adding offsets depnding on the generator
585 mcHeader->AddGeneratorName(genHeader->GetName());
586 if(!genHeader)return;
587 AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
588 if (pythiaGenHeader) {
589 mcHeader->SetEventType(pythiaGenHeader->ProcessType());
590 mcHeader->SetPtHard(pythiaGenHeader->GetPtHard());
594 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader);
596 if (dpmJetGenHeader){
597 mcHeader->SetEventType(dpmJetGenHeader->ProcessType());
601 AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader);
603 mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter());
607 AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName()));
611 ClassImp(AliAODExtension)
613 //-------------------------------------------------------------------------
614 // Support class for AOD extensions. This is created by the user analysis
615 // that requires a separate file for some AOD branches. The name of the
616 // AliAODExtension object is the file name where the AOD branches will be
618 //-------------------------------------------------------------------------
620 //______________________________________________________________________________
621 AliAODExtension::AliAODExtension(const char* name, const char* title, Bool_t isfilter)
632 TObject::SetBit(kFilteredAOD);
633 printf("####### Added AOD filter %s\n", name);
634 } else printf("####### Added AOD extension %s\n", name);
637 //______________________________________________________________________________
638 AliAODExtension::~AliAODExtension()
642 // is already handled in TerminateIO
648 if (fTreeE) delete fTreeE;
651 //______________________________________________________________________________
652 void AliAODExtension::AddBranch(const char* cname, void* addobj)
654 // Add a new branch to the aod
655 if (IsFilteredAOD()) {
656 Error("AddBranch", "Not allowed to add branched to filtered AOD's.");
661 gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)0x%lx, \"%%s\", s_tmp.Data());", type));
664 TDirectory *owd = gDirectory;
668 char** apointer = (char**) addobj;
669 TObject* obj = (TObject*) *apointer;
671 fAODEvent->AddObject(obj);
673 const Int_t kSplitlevel = 99; // default value in TTree::Branch()
674 const Int_t kBufsize = 32000; // default value in TTree::Branch()
676 if (!fTreeE->FindBranch(obj->GetName())) {
677 // Do the same as if we book via
678 // TTree::Branch(TCollection*)
680 fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj),
681 kBufsize, kSplitlevel - 1);
682 // fTreeA->Branch(obj->GetName(), cname, addobj);
687 //______________________________________________________________________________
688 Bool_t AliAODExtension::FinishEvent()
690 // Fill current event.
692 if (!IsFilteredAOD()) {
693 fAODEvent->MakeEntriesReferencable();
697 // Filtered AOD. Fill only if event is selected.
698 if (!fSelected) return kTRUE;
701 fSelected = kFALSE; // so that next event will not be selected unless demanded
705 //______________________________________________________________________________
706 Bool_t AliAODExtension::Init(Option_t *option)
709 if(!fAODEvent) fAODEvent = new AliAODEvent();
710 TDirectory *owd = gDirectory;
713 if (opt.Contains("proof")) {
715 // Merging via files. Need to access analysis manager via interpreter.
716 gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fName.Data()));
719 fFileE = new TFile(GetName(), "RECREATE");
721 fTreeE = new TTree("aodTree", "AliAOD tree");
722 fTreeE->Branch(fAODEvent->GetList());
727 //______________________________________________________________________________
728 void AliAODExtension::SetEvent(AliAODEvent *event)
730 // Connects to an external event
731 if (!IsFilteredAOD()) {
732 Error("SetEvent", "Not allowed to set external event for filtered AOD's");
735 // Use the copy constructor or assignment operator to synchronize with external event.
736 // AliAODEvent &other = *event;
737 // if (!fAODEvent) fAODEvent = new AliAODEvent(other);
738 // else if (fSelected) *fAODEvent = other;
742 //______________________________________________________________________________
743 Bool_t AliAODExtension::TerminateIO()
746 if (TObject::TestBit(kFilteredAOD))
747 printf("AOD Filter %s: events processed: %d passed: %d\n", GetName(), fNtotal, fNpassed);
749 printf("AOD extension %s: events processed: %d\n", GetName(), fNtotal);