Readme for calibration/performance train (Marian)

[u/mrichter/AliRoot.git] / T0 / AliT0QADataMakerSim.cxx

diff --git a/T0/AliT0QADataMakerSim.cxx b/T0/AliT0QADataMakerSim.cxx
index 655eb2e99bc3bde98733bc5ef02a1fce193dfb26..d6eb86cb1a6a077c007e77ae2bc9c9efcaa297de 100644 (file)
--- a/T0/AliT0QADataMakerSim.cxx
+++ b/T0/AliT0QADataMakerSim.cxx
@@ -131,7 +131,10 @@ void AliT0QADataMakerSim::InitDigits()
 void AliT0QADataMakerSim::MakeHits(TTree *hitTree)
 {
   //fills QA histos for Hits
-  TClonesArray * hits = new TClonesArray("AliT0hit", 1000);
+  if (fHitsArray) 
+    fHitsArray->Clear() ; 
+  else 
+    fHitsArray = new TClonesArray("AliT0hit", 1000);
   
   TBranch * branch = hitTree->GetBranch("T0") ;
   if ( ! branch ) {
@@ -139,7 +142,7 @@ void AliT0QADataMakerSim::MakeHits(TTree *hitTree)
   } else {
 
    if (branch) {
-      branch->SetAddress(&hits);
+      branch->SetAddress(&fHitsArray);
     }else{
       AliError("Branch T0 hit not found");
       exit(111);
@@ -149,16 +152,12 @@ void AliT0QADataMakerSim::MakeHits(TTree *hitTree)
     if (ntracks<=0) return;
     // Start loop on tracks in the hits containers
 
-    // Check id histograms already created for this Event Specie
-    if ( ! GetHitsData(0) )
-      InitHits() ;
-
     for (Int_t track=0; track<ntracks;track++) {
       branch->GetEntry(track);
-      Int_t nhits = hits->GetEntriesFast();
+      Int_t nhits = fHitsArray->GetEntriesFast();
       for (Int_t ihit=0;ihit<nhits;ihit++) 
        {
-         AliT0hit  * startHit   = (AliT0hit*) hits->UncheckedAt(ihit);
+         AliT0hit  * startHit   = (AliT0hit*) fHitsArray->UncheckedAt(ihit);
          if (!startHit) {
            AliError("The unchecked hit doesn't exist");
            continue;
@@ -192,10 +191,6 @@ void AliT0QADataMakerSim::MakeDigits( TTree *digitsTree)
      return;
   }
 
-  // Check id histograms already created for this Event Specie
-  if ( ! GetDigitsData(0) )
-    InitDigits() ;
-
   digitsTree->GetEvent(0);
   digitsTree->GetEntry(0);
   brDigits->GetEntry(0);