Re: [ROOT] TreeViewer Save Source

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Sep 12 2003 - 11:35:46 MEST


Hi Dan,

OK, I see the problem now when using "NewExpression".

I was simply setting one of the existing empty expressions.

The problem is now fixed in CVS.
Thanks for reporting.

Rene Brun

Dan Krop wrote:
> 
> Hi,
>     I will give concrete instructions on how I see this problem.
> 
> 1. Load a file at the prompt and start a viewer on the tree
> root [0] TFile f("treefile.root")
> root [1] tree.StartViewer()
>     for a file containing a tree named tree.
> 
> 2. Right click on the right pane of the viewer and select "NewExpression".
> 3. Double-click the new expression and enter an expression and an alias.
> 4. From the File menu click "Save source".
> 5. Restart ROOT and execute the treeviewer.C file that was just created.
> 
> When I do this, the viewer that comes up does not have the new
> expression I created before saving the source.  Do you see the same
> behavior?
> 
> Dan
> 
> Rene Brun wrote:
> 
> >Hi Dan,
> >
> >Sorry for this late reply.
> >
> >I cannot reproduce this problem. Could you give a more concrete example?
> >
> >Rene Brun
> >
> >Dan Krop wrote:
> >
> >
> >>Hi,
> >>    I am using ROOT v3.05/05 on Mandrake 9.1, which is compatible with
> >>RH 9 .  I find that when I have a TreeViewer object and I add a new
> >>expression through the right-click context menu, the new expression is
> >>not saved when I save the tree source, either through right-clicking or
> >>through the top menu.  You can try to reproduce this by starting a tree
> >>viewer on a tree, adding a new expression, saving the source, and
> >>executing the resulting macro.  I would be curious to see if the problem
> >>is reproducible.
> >>
> >>                                                       Thanks,
> >>                                                                   Dan
> >>
> >>
> >
> >
> >
> >



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