Example macro for filtering MC info to the AOD on proof, added comment

[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisTaskMCParticleFilter.cxx

diff --git a/ANALYSIS/AliAnalysisTaskMCParticleFilter.cxx b/ANALYSIS/AliAnalysisTaskMCParticleFilter.cxx
index 870452f9ddd1d86e4eba89b3167a9870d4c54a89..89afc3141db94d287d1e803d48ffca1b5f553f74 100644 (file)
--- a/ANALYSIS/AliAnalysisTaskMCParticleFilter.cxx
+++ b/ANALYSIS/AliAnalysisTaskMCParticleFilter.cxx
@@ -92,8 +92,15 @@ void AliAnalysisTaskMCParticleFilter::UserCreateOutputObjects()
   // Create the output container
     if (OutputTree()&&fTrackFilterMother) 
        OutputTree()->GetUserInfo()->Add(fTrackFilterMother);
-    // how is this is reset cleared in the UserExec....
-    // Can this be handled by the framework?
+
+    // this part is mainly needed to set the MCEventHandler
+    // to the AODHandler, this will not be needed when
+    // AODHandler goes to ANALYSISalice
+    // setting in the steering macro will not work on proof :(
+    // so we have to do it in a task
+
+    // the branch booking can also go into the AODHandler then
+
     TClonesArray *tca = new TClonesArray("AliAODMCParticle", 0);
     tca->SetName(AliAODMCParticle::StdBranchName());
     AddAODBranch("TClonesArray",&tca);