Hi all, I have the following problem: I want to read some ntuple variable and create a histo out of it. I do the following: TFile f("myFile.root") The ntuple variable is in the dir/key: t3333 and is called signif so I do: TH1F* myHist = (TH1F* )f.Get("t3333/signif"); this results in the error: Error in <TFile::cd>: Object t3333 is not a directory but all the ntuple variables are in this directory/key. (I can see that in TBrowser) I tried certain combinations which worked in the past: t3333;1/signif -> no error right away but myHisto->Draw() crashes t3333/signif/1 -> same error as above ... Does anyone know how this works? Thanks in advance Andi ======================================================================= Andreas Wildauer CERN/PH ATC, mailbox E25310, CH-1211 Geneva 23, Switzerland office 40 3-D06 email Andreas.Wildauer@cern.ch tel +41 22 76 71779 =======================================================================
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