adding reference data for Calib
[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisTaskSE.cxx
index 89c4051..14cd7fe 100644 (file)
@@ -28,6 +28,7 @@
 #include "AliAnalysisDataSlot.h"
 
 #include "AliESDEvent.h"
+#include "AliESDfriend.h"
 #include "AliESD.h"
 #include "AliAODEvent.h"
 #include "AliAODHeader.h"
 #include "AliAODInputHandler.h"
 #include "AliMCEventHandler.h"
 #include "AliInputEventHandler.h"
+#include "AliESDInputHandler.h"
 #include "AliMCEvent.h"
 #include "AliStack.h"
 #include "AliLog.h"
+#include "AliAODDimuon.h"
 
 
 ClassImp(AliAnalysisTaskSE)
@@ -59,12 +62,14 @@ TClonesArray*    AliAnalysisTaskSE::fgAODMCParticles    = NULL;
 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets      = NULL;
 AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells     = NULL;
 AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells      = NULL;
+TClonesArray*    AliAnalysisTaskSE::fgAODDimuons        = NULL;
 
 AliAnalysisTaskSE::AliAnalysisTaskSE():
     AliAnalysisTask(),
     fDebug(0),
     fEntry(0),
     fInputEvent(0x0),
+    fESDfriend(0x0),
     fInputHandler(0x0),
     fOutputAOD(0x0),
     fMCEvent(0x0),
@@ -81,6 +86,7 @@ AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
     fDebug(0),
     fEntry(0),
     fInputEvent(0x0),
+    fESDfriend(0x0),
     fInputHandler(0x0),
     fOutputAOD(0x0),
     fMCEvent(0x0),
@@ -99,6 +105,7 @@ AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
     fDebug(0),
     fEntry(0),
     fInputEvent(0x0),
+    fESDfriend(0x0),
     fInputHandler(0x0),
     fOutputAOD(0x0),
     fMCEvent(0x0),
@@ -111,6 +118,7 @@ AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
     fDebug            = obj.fDebug;
     fEntry            = obj.fEntry;
     fInputEvent       = obj.fInputEvent;
+    fESDfriend        = obj.fESDfriend;
     fInputHandler     = obj.fInputHandler;
     fOutputAOD        = obj.fOutputAOD;
     fMCEvent          = obj.fMCEvent;
@@ -128,6 +136,7 @@ AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
     fDebug            = other.fDebug;
     fEntry            = other.fEntry;
     fInputEvent       = other.fInputEvent;
+    fESDfriend        = other.fESDfriend;
     fInputHandler     = other.fInputHandler;
     fOutputAOD        = other.fOutputAOD;
     fMCEvent          = other.fMCEvent;
@@ -158,7 +167,10 @@ void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
     } 
     
     if (fInputHandler) {
-         fInputEvent = fInputHandler->GetEvent();
+       if ((fInputHandler->GetTree())->GetBranch("ESDfriend."))
+           fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
+
+       fInputEvent = fInputHandler->GetEvent();
     } else if( fMCEvent ) {
          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ; 
     } else {
@@ -266,6 +278,14 @@ void AliAnalysisTaskSE::CreateOutputObjects()
                fgAODMCParticles->SetName("mcparticles");
                handler->AddBranch("TClonesArray", &fgAODMCParticles);
            }
+           if ((handler->NeedsDimuonsBranchReplication() || merging) && !(fgAODDimuons))      
+           {   
+               if (fDebug > 1) AliInfo("Replicating dimuon branch\n");
+               fgAODDimuons = new TClonesArray("AliAODDimuon",0);
+               fgAODDimuons->SetName("dimuons");
+               handler->AddBranch("TClonesArray", &fgAODDimuons);
+           }    
+
            // cache the pointerd in the AODEvent
            fOutputAOD->GetStdContent();
        }
@@ -279,6 +299,9 @@ void AliAnalysisTaskSE::Exec(Option_t* option)
 {
 //
 // Exec analysis of one event
+    if ( fDebug >= 10)
+      printf("Task is active %5d\n", IsActive());
+    
     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 //
     AliAODHandler* handler = (AliAODHandler*) 
@@ -287,16 +310,20 @@ void AliAnalysisTaskSE::Exec(Option_t* option)
 //
 // Was event selected ?
     Bool_t isSelected = kTRUE;
-    if( fInputHandler ) {
+    if( fInputHandler && fInputHandler->GetEventSelection() && fSelectCollisions) {
       isSelected = fInputHandler->IsEventSelected();
-      fEntry = fInputHandler->GetReadEntry();
     }
-    
+
     if (handler) handler->SetFillAOD(isSelected);
-  
+
+    if( fInputHandler ) {
+       fEntry = fInputHandler->GetReadEntry();
+       fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
+    }
+    
 
 // Notify the change of run number
-    if (InputEvent()->GetRunNumber() != fCurrentRunNumber) {
+    if (InputEvent() && (InputEvent()->GetRunNumber() != fCurrentRunNumber)) {
        fCurrentRunNumber = InputEvent()->GetRunNumber();
        NotifyRun();
     }    
@@ -364,7 +391,39 @@ void AliAnalysisTaskSE::Exec(Option_t* option)
                TClonesArray* mcParticles = (TClonesArray*) ((dynamic_cast<AliAODEvent*>(InputEvent()))->FindListObject("mcparticles"));
                new (fgAODMCParticles) TClonesArray(*mcParticles);
            }
-       
+           
+           if ((handler->NeedsDimuonsBranchReplication() || merging) && (fgAODDimuons))
+           {
+               fgAODDimuons->Clear();
+               TClonesArray& dimuons = *fgAODDimuons;
+               TClonesArray& tracksnew = *fgAODTracks;
+               
+                Int_t nMuonTrack[10]; 
+                for(Int_t imuon = 0; imuon < 10; imuon++) nMuonTrack[imuon] = 0;
+                Int_t nMuons=0;
+               for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
+                   AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
+                   if(track->IsMuonTrack()) {
+                       nMuonTrack[nMuons]= ii;
+                       nMuons++;
+                   }  
+               }
+                Int_t jDimuons=0;
+               if(nMuons >= 2){
+                   for(Int_t i = 0; i < nMuons; i++){
+                       Int_t index0 = nMuonTrack[i];
+                       for(Int_t j = i+1; j < nMuons; j++){
+                           Int_t index1 = nMuonTrack[j];
+                           tracksnew.At(index0)->ResetBit(kIsReferenced);
+                           tracksnew.At(index0)->SetUniqueID(0); 
+                           tracksnew.At(index1)->ResetBit(kIsReferenced);
+                           tracksnew.At(index1)->SetUniqueID(0);
+                           new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
+                       }
+                   }    
+               }
+           }
+           
            // Additional merging if needed
            if (merging) {
                // mcParticles
@@ -385,7 +444,6 @@ void AliAnalysisTaskSE::Exec(Option_t* option)
                for (Int_t i = 0; i < ntr; i++) {
                    AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
                    AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
-
                    newtrack->SetLabel(newtrack->GetLabel() + nc0);
                }