#include <TTree.h>
#include <TFile.h>
+#include <TString.h>
+#include <TList.h>
+#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),
- fName("")
+ fFileName("")
{
// 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),
- fName("")
+ fFileName("")
{
}
//______________________________________________________________________________
AliAODHandler::~AliAODHandler()
{
-// destructor
+ delete fAODEvent;
+ if(fFileA){
+ // is already handled in TerminateIO
+ fFileA->Close();
+ delete fFileA;
+ }
+ delete fTreeA;
+ // destructor
}
-
-Bool_t AliAODHandler::InitIO(Option_t* opt)
+//______________________________________________________________________________
+Bool_t AliAODHandler::Init(Option_t* opt)
{
- // Initialize IO
- //
- // Create the AODevent object
+ // Initialize IO
+ //
+ // Create the AODevent object
+ if(!fAODEvent){
fAODEvent = new AliAODEvent();
- fAODEvent->CreateStdContent();
- //
- // File opening according to execution mode
-
- if (!(strcmp(opt, "proof"))) {
- // proof
- CreateTree(0);
- } else {
- // local and grid
- fFileA = new TFile(fName, "RECREATE");
- CreateTree(1);
+ if (fIsStandard) fAODEvent->CreateStdContent();
+ }
+ //
+ // File opening according to execution mode
+ TString option(opt);
+ option.ToLower();
+ if (option.Contains("proof")) {
+ // proof
+ if (option.Contains("special")) {
+ // File for tree already opened on slave -> merging via files
+ fFileA = gFile;
+ CreateTree(1);
+ } else {
+ // Merging in memory
+ CreateTree(0);
+ }
+ } else {
+ // local and grid
+ TDirectory *owd = gDirectory;
+ fFileA = new TFile(fFileName.Data(), "RECREATE");
+ CreateTree(1);
+ owd->cd();
+ }
+ 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<AliGenCocktailEventHeader*>(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<AliGenEventHeader*>(headerList->At(i));
+ SetMCHeaderInfo(mcHeader,headerEntry);
}
- return kTRUE;
+ }
+ 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(i<nprim)flag |= AliAODMCParticle::kPrimary;
+ if(pStack->IsPhysicalPrimary(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<Int_t*>(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
+ // Fill data structures
+ if(fFillAOD){
+ fAODEvent->MakeEntriesReferencable();
+ StoreMCParticles();
FillTree();
- fAODEvent->ClearStd();
-
- return kTRUE;
+ }
+
+ if (fIsStandard) fAODEvent->ResetStd();
+ // Reset AOD replication flag
+ fAODIsReplicated = kFALSE;
+ return kTRUE;
}
+//______________________________________________________________________________
Bool_t AliAODHandler::Terminate()
{
// Terminate
return kTRUE;
}
+//______________________________________________________________________________
Bool_t AliAODHandler::TerminateIO()
{
// Terminate IO
return kTRUE;
}
-
+//______________________________________________________________________________
void AliAODHandler::CreateTree(Int_t flag)
{
// Creates the AOD Tree
if (flag == 0) fTreeA->SetDirectory(0);
}
+//______________________________________________________________________________
void AliAODHandler::FillTree()
{
// Fill the AOD Tree
- fTreeA->Fill();
+ fTreeA->Fill();
}
-
+//______________________________________________________________________________
void AliAODHandler::AddAODtoTreeUserInfo()
{
- // Add aod event to tree user info
- fTreeA->GetUserInfo()->Add(fAODEvent);
+ // Add aod event to tree user info
+ fTreeA->GetUserInfo()->Add(fAODEvent);
+}
+
+//______________________________________________________________________________
+void AliAODHandler::AddBranch(const char* cname, void* addobj)
+{
+ // Add a new branch to the aod
+ 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();
+}
+
+//______________________________________________________________________________
+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
+ // coul be done e.g. by adding offsets depnding on the generator
+
+
+ mcHeader->AddGeneratorName(genHeader->GetName());
+
+
+
+ if(!genHeader)return;
+ AliGenPythiaEventHeader *pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(genHeader);
+ if (pythiaGenHeader) {
+ mcHeader->SetEventType(pythiaGenHeader->ProcessType());
+ return;
+ }
+
+ AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(genHeader);
+
+ if (dpmJetGenHeader){
+ mcHeader->SetEventType(dpmJetGenHeader->ProcessType());
+ return;
+ }
+
+ AliGenHijingEventHeader* hijingGenHeader = dynamic_cast<AliGenHijingEventHeader*>(genHeader);
+ if(hijingGenHeader){
+ mcHeader->SetImpactParameter(hijingGenHeader->ImpactParameter());
+ return;
+ }
+
+ AliWarning(Form("MC Eventheader not known: %s",genHeader->GetName()));
+
}