Hi Parker,
The "Getting Started With ROOT" document is out of date, and because it
was a precursor to the ROOT User's Guide, it is not maintained.
The Users's Guide is frequently updated. The most current version is at:
http://root.cern.ch/root/RootDoc.html
and we are working on the updates for ROOT 3.1.
Suzanne Panacek
----- Original Message -----
From: "Parker Wittman" <iu_pw@hotmail.com>
To: <roottalk@pcroot.cern.ch>
Sent: Tuesday, May 22, 2001 11:16 AM
Subject: [ROOT] trouble with TTreeViewer
> Gracious Rooters,
>
> I am a very new ROOT user working my way through a tutorial ("Getting
> Started With ROOT") and I am having huge difficulties in the section
dealing
> with the TTree Viewer, for a can't seem to open it up.
>
> In one version of the tutorial I am instructed to type in the following
> command ("h21" is my sample tree):
>
> tv=new TTreeViewer("h21");
>
> Upon doing so, the following error appeared and not the TTree Viewer:
>
> Error: No symbol TTreeViewer in current scope
> FILE:/tmp/fileeYDORx_cint Line:1
> Error: type TTreeViewer not defined FILE:/tmp/fileeYDORx_cint LINE:1
> Warning: Automatic variable tv allocated in global scope
> FILE:/tmp/fileeYDORx_cint LINE:1
> Error: Undeclared variable tv FILE:/tmp/fileeYDORx_cint LINE:1
> *** Interpreter error recovered ***
>
>
> So, I found a different version of the same tutorial which gave a
different
> command for opening TTree Viewer:
>
> h21->StartViewer();
>
> When I entered this I got a seg violation:
>
> *** Break *** segmentation violation
> Root>
>
> I also tried opening the TTree Viewer by right clicking on the tree
("h21")
> in the object browser and selecting "StartViewer" from the menu... this
also
> produced a segmentation violation.
>
> Since I am just learning ROOT I really have no idea how to approach this
> problem... What am I doing wrong and how can I get through this?
>
> (By the way, I am running version 3.00/06)
>
> Regards,
> Parker
> _________________________________________________________________
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>
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