Fixed_FractionEmptyLanesPlot (#1907)

Author: IsakovAD

Modules/ITS/src/ITSClusterTask.cxx

@@ -246,7 +246,7 @@ void ITSClusterTask::monitorData(o2::framework::ProcessingContext& ctx)
   }
 
   mNRofs += clusRofArr.size(); // USED to calculate occupancy for the whole run
-
+  std::fill(&mNLaneEmpty[0], &mNLaneEmpty[0] + 4, 0);
   if (mNRofs > 0) {
     for (int iLayer = 0; iLayer < NLayer; iLayer++) {
 
@@ -354,7 +354,6 @@ void ITSClusterTask::reset()
   hClusterVsBunchCrossing->Reset();
   hEmptyLaneFractionGlobal->Reset();
   mGeneralOccupancy->Reset();
-
   for (int iLayer = 0; iLayer < NLayer; iLayer++) {
     if (!mEnableLayers[iLayer])
       continue;
@@ -404,6 +403,7 @@ void ITSClusterTask::createAllHistos()
 
   hEmptyLaneFractionGlobal = new TH1D("EmptyLaneFractionGlobal", "Empty Lane Fraction Global", 4, 0, 4);
   hEmptyLaneFractionGlobal->SetTitle("Empty Lane /All Lane ");
+  hEmptyLaneFractionGlobal->SetBit(TH1::kIsAverage);
   addObject(hEmptyLaneFractionGlobal);
   formatAxes(hEmptyLaneFractionGlobal, "", "Fraction of empty lane", 1, 1.10);
   for (int i = 0; i < NFlags; i++) {