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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