Re: Changing branch name ...

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Mar 15 2000 - 08:17:50 MET


Hi Anton,
Currently, you cannot and should not change the name of a branch in a
tree.
SetName should be redefined in TBranch and derivatives.

Rene Brun

Anton Fokin wrote:
> 
> Hi rooters,
> 
> is it possible to change name of a branch in a tree? I have tryed (before
> writing tree with split level 1 from Event example)
> 
> TBranch* Branch = Tree->GetBranch("fNTrack");
> Branch->SetName("Hello");
> 
> It doesn't crash and "Hello" branch is acceptable from a root session, but
> Event->GetNTrack() starts to return zero every time I read an event in my
> compiled program.
> 
> Is there any trick/recommendations about changing branch names?
> 
> Best,
> Anton



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