/************************************************************************** * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ //------------------------------------------------------------------------- // Implementation of the Virtual Event Handler Interface for AOD // Author: Andreas Morsch, CERN //------------------------------------------------------------------------- #include #include #include #include #include #include "AliLog.h" #include "AliAODHandler.h" #include "AliAODEvent.h" #include "AliAODTracklets.h" #include "AliStack.h" #include "AliAODMCParticle.h" #include "AliAODMCHeader.h" #include "AliMCEventHandler.h" #include "AliMCEvent.h" #include "AliGenEventHeader.h" #include "AliGenHijingEventHeader.h" #include "AliGenDPMjetEventHeader.h" #include "AliGenPythiaEventHeader.h" #include "AliGenCocktailEventHeader.h" ClassImp(AliAODHandler) //______________________________________________________________________________ AliAODHandler::AliAODHandler() : AliVEventHandler(), fIsStandard(kTRUE), fFillAOD(kTRUE), fNeedsHeaderReplication(kFALSE), fNeedsTracksBranchReplication(kFALSE), fNeedsVerticesBranchReplication(kFALSE), fNeedsV0sBranchReplication(kFALSE), fNeedsTrackletsBranchReplication(kFALSE), fNeedsPMDClustersBranchReplication(kFALSE), fNeedsJetsBranchReplication(kFALSE), fNeedsFMDClustersBranchReplication(kFALSE), fNeedsCaloClustersBranchReplication(kFALSE), fAODIsReplicated(kFALSE), fAODEvent(NULL), fMCEventH(NULL), fTreeA(NULL), fFileA(NULL), fFileName(""), fExtensions(NULL) { // default constructor } //______________________________________________________________________________ AliAODHandler::AliAODHandler(const char* name, const char* title): AliVEventHandler(name, title), fIsStandard(kTRUE), fFillAOD(kTRUE), fNeedsHeaderReplication(kFALSE), fNeedsTracksBranchReplication(kFALSE), fNeedsVerticesBranchReplication(kFALSE), fNeedsV0sBranchReplication(kFALSE), fNeedsTrackletsBranchReplication(kFALSE), fNeedsPMDClustersBranchReplication(kFALSE), fNeedsJetsBranchReplication(kFALSE), fNeedsFMDClustersBranchReplication(kFALSE), fNeedsCaloClustersBranchReplication(kFALSE), fAODIsReplicated(kFALSE), fAODEvent(NULL), fMCEventH(NULL), fTreeA(NULL), fFileA(NULL), fFileName(""), fExtensions(NULL) { } //______________________________________________________________________________ AliAODHandler::~AliAODHandler() { // Destructor. delete fAODEvent; if(fFileA){ // is already handled in TerminateIO fFileA->Close(); delete fFileA; } delete fTreeA; if (fExtensions) delete fExtensions; } //______________________________________________________________________________ Bool_t AliAODHandler::Init(Option_t* opt) { // Initialize IO // // Create the AODevent object if(!fAODEvent){ fAODEvent = new AliAODEvent(); if (fIsStandard) fAODEvent->CreateStdContent(); } // // File opening according to execution mode TString option(opt); option.ToLower(); TDirectory *owd = gDirectory; if (option.Contains("proof")) { // proof // Merging via files. Need to access analysis manager via interpreter. gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fFileName.Data())); gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->GetCommonOutputContainer()->SetFile((TFile*)0x%lx);", gFile)); fFileA = gFile; } else { // local and grid fFileA = new TFile(fFileName.Data(), "RECREATE"); } CreateTree(1); owd->cd(); if (fExtensions) { TIter next(fExtensions); AliAODExtension *ext; while ((ext=(AliAODExtension*)next())) ext->Init(option); } return kTRUE; } //______________________________________________________________________________ void AliAODHandler::StoreMCParticles(){ // // Remap the labels from ESD stack and store // the AODMCParticles, makes only sense if we have // the mcparticles branch // has to be done here since we cannot know in advance // which particles are needed (e.g. by the tracks etc.) // // Particles have been selected by AliMCEventhanlder->SelectParticle() // To use the MCEventhandler here we need to set it from the outside // can vanish when Handler go to the ANALYSISalice library // // The Branch booking for mcParticles and mcHeader has to happen // in an external task for now since the AODHandler does not have access // the AnalysisManager. For the same reason the pointer t o the MCEventH // has to passed to the AOD Handler by this task // (doing this in the steering macro would not work on PROOF) TClonesArray *mcarray = (TClonesArray*)fAODEvent->FindListObject(AliAODMCParticle::StdBranchName()); if(!mcarray)return; mcarray->Delete(); AliAODMCHeader *mcHeader = (AliAODMCHeader*)fAODEvent->FindListObject(AliAODMCHeader::StdBranchName()); if(!mcHeader)return; mcHeader->Reset(); // Get the MC Infos.. Handler needs to be set before // while adding the branch // This needs to be done, not to depend on the AnalysisManager if(!fMCEventH)return; if(!fMCEventH->MCEvent())return; AliStack *pStack = fMCEventH->MCEvent()->Stack(); if(!pStack)return; fMCEventH->CreateLabelMap(); // // Get the Event Header // AliHeader* header = fMCEventH->MCEvent()->Header(); if (!header)return; // get the MC vertex AliGenEventHeader* genHeader = header->GenEventHeader(); TArrayF vtxMC(3); genHeader->PrimaryVertex(vtxMC); mcHeader->SetVertex(vtxMC[0],vtxMC[1],vtxMC[2]); // we search the MCEventHeaders first // Two cases, cocktail or not... AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast(genHeader); if(genCocktailHeader){ // we have a coktail header mcHeader->AddGeneratorName(genHeader->GetName()); // Loop from the back so that the first one sets the process type TList* headerList = genCocktailHeader->GetHeaders(); for(int i = headerList->GetEntries()-1;i>=0;--i){ AliGenEventHeader *headerEntry = dynamic_cast(headerList->At(i)); SetMCHeaderInfo(mcHeader,headerEntry); } } else{ // No Cocktail just take the first one SetMCHeaderInfo(mcHeader,genHeader); } // Store the AliAODParticlesMC Int_t np = pStack->GetNtrack(); Int_t nprim = pStack->GetNprimary(); Int_t j = 0; TClonesArray& l = *mcarray; for(int i = 0;i < np;++i){ if(fMCEventH->IsParticleSelected(i)){ Int_t flag = 0; TParticle *part = pStack->Particle(i); if(iIsPhysicalPrimary(i))flag |= AliAODMCParticle::kPhysicalPrim; if(fMCEventH->GetNewLabel(i)!=j){ AliError(Form("MISMATCH New label %d j: %d",fMCEventH->GetNewLabel(i),j)); } AliAODMCParticle mcpart_tmp(part,i,flag); // Int_t d0 = mcpart_tmp.GetDaughter(0); Int_t d1 = mcpart_tmp.GetDaughter(1); Int_t m = mcpart_tmp.GetMother(); // other than for the track labels, negative values mean // no daughter/mother so preserve it if(d0<0 && d1<0){ // no first daughter -> no second daughter // nothing to be done // second condition not needed just for sanity check at the end mcpart_tmp.SetDaughter(0,d0); mcpart_tmp.SetDaughter(1,d1); } else if(d1 < 0 && d0 >= 0){ // Only one daughter // second condition not needed just for sanity check at the end if(fMCEventH->IsParticleSelected(d0)){ mcpart_tmp.SetDaughter(0,fMCEventH->GetNewLabel(d0)); } else{ mcpart_tmp.SetDaughter(0,-1); } mcpart_tmp.SetDaughter(1,d1); } else if (d0 > 0 && d1 > 0 ){ // we have two or more daughters loop on the stack to see if they are // selected Int_t d0_tmp = -1; Int_t d1_tmp = -1; for(int id = d0; id<=d1;++id){ if(fMCEventH->IsParticleSelected(id)){ if(d0_tmp==-1){ // first time d0_tmp = fMCEventH->GetNewLabel(id); 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 } else d1_tmp = fMCEventH->GetNewLabel(id); } } mcpart_tmp.SetDaughter(0,d0_tmp); mcpart_tmp.SetDaughter(1,d1_tmp); } else{ AliError(Form("Unxpected indices %d %d",d0,d1)); } if(m<0){ mcpart_tmp.SetMother(m); } else{ if(fMCEventH->IsParticleSelected(m))mcpart_tmp.SetMother(fMCEventH->GetNewLabel(m)); else AliError("PROBLEM Mother not selected"); } new (l[j++]) AliAODMCParticle(mcpart_tmp); } } AliInfo(Form("AliAODHandler::StoreMCParticles: Selected %d (Primaries %d / total %d) after validation", j,nprim,np)); // Set the labels in the AOD output... // Remapping // AODTracks TClonesArray* tracks = fAODEvent->GetTracks(); if(tracks){ for(int it = 0; it < fAODEvent->GetNTracks();++it){ AliAODTrack *track = fAODEvent->GetTrack(it); if(TMath::Abs(track->GetLabel())>np||track->GetLabel()==0){ AliWarning(Form("Wrong ESD track label %d",track->GetLabel())); } if(fMCEventH->GetNewLabel(track->GetLabel())==0){ AliWarning(Form("New label not found for %d",track->GetLabel())); } track->SetLabel(fMCEventH->GetNewLabel(track->GetLabel())); } } // AOD calo cluster TClonesArray *clusters = fAODEvent->GetCaloClusters(); if(clusters){ for (Int_t iClust = 0;iClust < fAODEvent->GetNCaloClusters(); ++iClust) { AliAODCaloCluster * cluster = fAODEvent->GetCaloCluster(iClust); UInt_t nLabel = cluster->GetNLabel(); // Ugly but do not want to fragment memory by creating // new Int_t (nLabel) Int_t* labels = const_cast(cluster->GetLabels()); if (labels){ for(UInt_t i = 0;i < nLabel;++i){ labels[i] = fMCEventH->GetNewLabel(cluster->GetLabel(i)); } } // cluster->SetLabels(labels,nLabel); }// iClust }// clusters // AOD tracklets AliAODTracklets *tracklets = fAODEvent->GetTracklets(); if(tracklets){ for(int it = 0;it < tracklets->GetNumberOfTracklets();++it){ int label0 = tracklets->GetLabel(it,0); int label1 = tracklets->GetLabel(it,1); if(label0>=0)label0 = fMCEventH->GetNewLabel(label0); if(label1>=0)label1 = fMCEventH->GetNewLabel(label1); tracklets->SetLabel(it,0,label0); tracklets->SetLabel(it,1,label1); } } } //______________________________________________________________________________ Bool_t AliAODHandler::FinishEvent() { // Fill data structures if(fFillAOD){ fAODEvent->MakeEntriesReferencable(); StoreMCParticles(); FillTree(); if (fExtensions) { TIter next(fExtensions); AliAODExtension *ext; while ((ext=(AliAODExtension*)next())) { ext->GetAOD()->MakeEntriesReferencable(); ext->GetTree()->Fill(); } } } if (fIsStandard) fAODEvent->ResetStd(); // Reset AOD replication flag fAODIsReplicated = kFALSE; return kTRUE; } //______________________________________________________________________________ Bool_t AliAODHandler::Terminate() { // Terminate AddAODtoTreeUserInfo(); if (fExtensions) { TIter next(fExtensions); AliAODExtension *ext; while ((ext=(AliAODExtension*)next())) ext->GetTree()->GetUserInfo()->Add(ext->GetAOD()); } return kTRUE; } //______________________________________________________________________________ Bool_t AliAODHandler::TerminateIO() { // Terminate IO if (fFileA) { fFileA->Close(); delete fFileA; fFileA = 0; } if (fExtensions) { TIter next(fExtensions); AliAODExtension *ext; while ((ext=(AliAODExtension*)next())) ext->TerminateIO(); } return kTRUE; } //______________________________________________________________________________ void AliAODHandler::CreateTree(Int_t flag) { // Creates the AOD Tree fTreeA = new TTree("aodTree", "AliAOD tree"); fTreeA->Branch(fAODEvent->GetList()); if (flag == 0) fTreeA->SetDirectory(0); } //______________________________________________________________________________ void AliAODHandler::FillTree() { // Fill the AOD Tree fTreeA->Fill(); } //______________________________________________________________________________ void AliAODHandler::AddAODtoTreeUserInfo() { // Add aod event to tree user info fTreeA->GetUserInfo()->Add(fAODEvent); } //______________________________________________________________________________ void AliAODHandler::AddBranch(const char* cname, void* addobj, const char* filename) { // Add a new branch to the aod. Added optional filename parameter if the // branch should be written to a separate file. if (strlen(filename)) { AliAODExtension *ext = AddExtension(filename); ext->AddBranch(cname, addobj); return; } TDirectory *owd = gDirectory; if (fFileA) { fFileA->cd(); } char** apointer = (char**) addobj; TObject* obj = (TObject*) *apointer; fAODEvent->AddObject(obj); const Int_t kSplitlevel = 99; // default value in TTree::Branch() const Int_t kBufsize = 32000; // default value in TTree::Branch() if (!fTreeA->FindBranch(obj->GetName())) { // Do the same as if we book via // TTree::Branch(TCollection*) fTreeA->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj), kBufsize, kSplitlevel - 1); // fTreeA->Branch(obj->GetName(), cname, addobj); } owd->cd(); } //______________________________________________________________________________ AliAODExtension *AliAODHandler::AddExtension(const char *filename, const char *title) { // Add an AOD extension with some branches in a different file. TString fname(filename); if (!fname.EndsWith(".root")) fname += ".root"; if (!fExtensions) { fExtensions = new TObjArray(); fExtensions->SetOwner(); } AliAODExtension *ext = (AliAODExtension*)fExtensions->FindObject(fname); if (!ext) { ext = new AliAODExtension(fname, title); fExtensions->Add(ext); } return ext; } //______________________________________________________________________________ void AliAODHandler::SetOutputFileName(const char* fname) { // Set file name. fFileName = fname; } //______________________________________________________________________________ const char *AliAODHandler::GetOutputFileName() { // Get file name. return fFileName.Data(); } //______________________________________________________________________________ void AliAODHandler::SetMCHeaderInfo(AliAODMCHeader *mcHeader,AliGenEventHeader *genHeader){ // Utility function to cover different cases for the AliGenEventHeader // Needed since different ProcessType and ImpactParamter are not // in the base class... // We don't encode process types for event cocktails yet // could be done e.g. by adding offsets depnding on the generator mcHeader->AddGeneratorName(genHeader->GetName()); if(!genHeader)return; AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast(genHeader); if (pythiaGenHeader) { mcHeader->SetEventType(pythiaGenHeader->ProcessType()); return; } AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast(genHeader); if (dpmJetGenHeader){ mcHeader->SetEventType(dpmJetGenHeader->ProcessType()); return; } AliGenHijingEventHeader* hijingGenHeader = dynamic_cast(genHeader); if(hijingGenHeader){ mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter()); return; } AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName())); } ClassImp(AliAODExtension) //------------------------------------------------------------------------- // Support class for AOD extensions. This is created by the user analysis // that requires a separate file for some AOD branches. The name of the // AliAODExtension object is the file name where the AOD branches will be // stored. //------------------------------------------------------------------------- //______________________________________________________________________________ AliAODExtension::~AliAODExtension() { // Destructor. delete fAODEvent; if(fFileE){ // is already handled in TerminateIO fFileE->Close(); delete fFileE; } delete fTreeE; } //______________________________________________________________________________ void AliAODExtension::AddBranch(const char* cname, void* addobj) { // Add a new branch to the aod if (!fAODEvent) { char type[20]; gROOT->ProcessLine(Form("TString s_tmp; AliAnalysisManager::GetAnalysisManager()->GetAnalysisTypeString(s_tmp); sprintf((char*)0x%lx, \"%%s\", s_tmp.Data());", type)); Init(type); } TDirectory *owd = gDirectory; if (fFileE) { fFileE->cd(); } char** apointer = (char**) addobj; TObject* obj = (TObject*) *apointer; fAODEvent->AddObject(obj); const Int_t kSplitlevel = 99; // default value in TTree::Branch() const Int_t kBufsize = 32000; // default value in TTree::Branch() if (!fTreeE->FindBranch(obj->GetName())) { // Do the same as if we book via // TTree::Branch(TCollection*) fTreeE->Bronch(obj->GetName(), cname, fAODEvent->GetList()->GetObjectRef(obj), kBufsize, kSplitlevel - 1); // fTreeA->Branch(obj->GetName(), cname, addobj); } owd->cd(); } //______________________________________________________________________________ Bool_t AliAODExtension::Init(Option_t *option) { // Initialize IO. if(!fAODEvent) fAODEvent = new AliAODEvent(); TDirectory *owd = gDirectory; TString opt(option); opt.ToLower(); if (opt.Contains("proof")) { // proof // Merging via files. Need to access analysis manager via interpreter. gROOT->ProcessLine(Form("AliAnalysisManager::GetAnalysisManager()->OpenProofFile(\"%s\", \"RECREATE\");", fName.Data())); fFileE = gFile; } else { fFileE = new TFile(GetName(), "RECREATE"); } fTreeE = new TTree("aodTree", "AliAOD tree"); fTreeE->Branch(fAODEvent->GetList()); owd->cd(); return kTRUE; } //______________________________________________________________________________ Bool_t AliAODExtension::TerminateIO() { // Terminate IO if (fFileE) { fFileE->Write(); fFileE->Close(); delete fFileE; fFileE = 0; } return kTRUE; }