Re: How to convert HBOOK to ROOT

Rene Brun (Rene.Brun@cern.ch)
Fri, 23 May 1997 15:05:54 +0200


Otto Schaile wrote:
>
> Dear roots,
> I tried the above HOWTO, (I can view the ntuple 5000 with rows:
> RUN, EVENT,E_ECAL etc correctly with paw,
> with root I get:
>
> root [0] TFile f("ntz0mu94.root")
> root [1] f.ls()
> TFile** ntz0mu94.root
> TFile* ntz0mu94.root
> KEY: TTree h5000;1 EVENT
> KEY: TH1F h100;1 EBEAM
> KEY: TDirectory TR;1 TR
> root [2] h100.Draw()
> Warning in <MakeDefCanvas>: creating a default canvas with name c1
> root [3] h5000.Draw("EVENT");
>
> *ERROR 26 :
> Unknown name : "EVENT"
>

I am a bit lost !
Is EVENT the title of your Tree or a Tree variable ?
Please gime more info (directly to me, not the list).

Rene Brun