TTreeViewer

From: Rutger van der Eijk (r36@nikhef.nl)
Date: Thu Mar 02 2000 - 13:44:45 MET


Hi rootters,

I have a new user here who is following the FNAL tutorials/courses on the
web. In 'Getting started with ROOT'
(http://www-pat.fnal.gov/root/GettingStarted/GettingStarted.htm) one uses
a TTreeViewer to look at a tree. It seems that TTreeViewer is not working
or even present anymore:

root [0] tv = new TTreeViewer("h21");
Error: No symbol TTreeViewer in current scope  FILE:/tmp/08643baa_cint
LINE:1
Error: type TTreeViewer not defined FILE:/tmp/08643baa_cint LINE:1
Warning: Automatic variable tv allocated in global scope
FILE:/tmp/08643baa_cint LINE:1
Error: Undeclared variable tv FILE:/tmp/08643baa_cint LINE:1
*** Interpreter error recovered ***

root [1] .class TTreeViewer
Error: class,struct,union or type TTreeViewer not defined  FILE: LINE:0
*** Interpreter error recovered ***

I can also not find it on the web page. So I suspect that this class has
been renamed. I seem to remember something like this happend. However I am
myself not used to using these class to view trees because I prefer to
perform the looping myself. Can anybody point out what has changed or what
we are doing wrong?

We are using: Version   2.23/12   1 February 2000.

Thanks,

Rutger van der Eijk & Iouri Gouz



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