Re: [ROOT] MakeClass problem

From: Rene Brun (Rene.Brun@cern.ch)
Date: Sun Oct 20 2002 - 12:45:48 MEST


Hi Tuan,

I do not believe that you can use TBrowser on your Tree.
You cannot import the Tree in memory because your file seems to be
overwritten.

Rene Brun

On Sun, 20 Oct 2002, Vu Anh Tuan wrote:

> Hi,
> 
> I'm using MakeClass function from Root v03.02.07. Here is my pretty odd
> problem
> 
> root [0] TFile *f = new TFile("L1L2L3global.root");
> root [1] f->ls();                                  
> TFile**         L1L2L3global.root       Created for you by  
> HepRootFileManager
>  TFile*         L1L2L3global.root       Created for you by
> HepRootFileManager
>   KEY: TTree    Global;3        Global
>   KEY: TTree    Global;2        Global
> root [2] 
> root [2] Global->MakeClass("TrigAnalyze");
> R__unzip: error during decompression
> R__unzip: error during decompression
> R__unzip: error during decompression
> Error: Symbol Global is not defined in current scope
> FILE:/tmp/fileIRRWWg_cint LINE:1
> Error: Failed to evaluate Global->MakeClass("TrigAnalyze")Possible
> candidates are...
> filename       line:size busy function type and name  
> *** Interpreter error recovered ***
> 
> I think my root-tuple is fine as it's possible to display some
> varibles by TBrowser. MakeClass nevertheless doesn't seem to be OK. May 
> you help me, please?
> 
> Thanks,
> 
> Tuan
> 



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