message: Use: tree metadata description in MakeHistogram
diff: @@ -1005,7 +1005,10 @@ TObjArray * AliTreePlayer::MakeHistograms(TTree * tree, TString hisString, TStr
  THnF * phis = new THnF(hName.Data(),hName.Data(), hisDims[iHis],nBins, xMin,xMax);
  hisArray->AddAt(phis,iHis);
  for (Int_t iDim=0;iDim<hisDims[iHis]; iDim++){
  + phis->GetAxis(iDim)->SetName(varArray->At(iDim)->GetName());
  phis->GetAxis(iDim)->SetTitle(varArray->At(iDim)->GetName());
  + TNamed *axisTitle=TStatToolkit::GetMetadata(tree,TString::Format("%s.AxisTitle",varArray->At(iDim)->GetName()).Data());
  + if (axisTitle) phis->GetAxis(iDim)->SetTitle(axisTitle->GetTitle());
  }
  }
  }
  