Hi,
I figured out - I should have specified full path
to the ntuple..
sorry,
Dmitri Litvintsev
/----------------------------------------------------------\
| Tel: (630) 840 5005 |
| FAX: (630) 840 2968 |
| office: 169-E CDF Trailers |
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On Fri, 3 Aug 2001, Dmitri Litvintsev wrote:
>
>
>
> root [27] gROOT->GetVersion()
> (const char* 0x1002a324)"2.26/01"
>
>
> Dmitri Litvintsev
>
> /----------------------------------------------------------\
> | Tel: (630) 840 5005 |
> | FAX: (630) 840 2968 |
> | office: 169-E CDF Trailers |
> | E-mail: litvinse@fnal.gov |
> \----------------------------------------------------------/
>
>
>
>
> On Fri, 3 Aug 2001, Fons Rademakers wrote:
>
> > Which version of ROOT !
> >
> > -- Fons
> >
> >
> > On Fri, Aug 03, 2001 at 12:22:13PM -0500, Dmitri Litvintsev wrote:
> > >
> > >
> > > Hi ROOTers,
> > >
> > > According to examples I do the folloging:
> > >
> > > root [0] TChain chain("di-muon ntuple");
> > > root [1] chain.Add("CA3871_jpsi.root");
> > >
> > > I get this:
> > >
> > > Error in <TChain::Add>: cannot find tree with name di-muon ntuple
> > >
> > >
> > > although I am pretty sure that this ntuple exists in the file.
> > >
> > > if I use TBrowser to open file I am able to get to that ntuple and
> > > look into contents.
> > >
> > >
> > > What am I doing wrong?
> > >
> > >
> > >
> > > Dmitri Litvintsev
> > >
> > > /----------------------------------------------------------\
> > > | Tel: (630) 840 5005 |
> > > | FAX: (630) 840 2968 |
> > > | office: 169-E CDF Trailers |
> > > | E-mail: litvinse@fnal.gov |
> > > \----------------------------------------------------------/
> > >
> > >
> > >
> >
> > --
> > Org: CERN, European Laboratory for Particle Physics.
> > Mail: 1211 Geneve 23, Switzerland
> > E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248
> > WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7677910
> >
>
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