message: add strong cut on acceptance to avoid frames
diff: @@ -1296,6 +1296,13 @@ void AliAnaClusterShapeCorrelStudies::ClusterShapeHistograms
  Int_t nCaloCellsPerCluster = clus->GetNCells();
  if ( nCaloCellsPerCluster < 2 ) return;
  + // Clean the sample with very strict cut on acceptance, select only
  + // in center of SM
  + Int_t etaRegion = -1, phiRegion = -1;
  + GetCaloUtils()->GetEMCALSubregion(clus,fCaloCellList,etaRegion,phiRegion);
  + // Region 0: center of SM ~0.18<|eta|<0.55
  + if ( etaRegion !=0 ) return ;
  +
  Float_t energy = clus->E();
  Float_t m02 = clus->GetM02();
  Float_t m20 = clus->GetM20();
  