Re: MakeProxy and friend TChains

From: Philippe Canal <pcanal_at_fnal.gov>
Date: Tue, 16 Jun 2009 11:38:09 -0500


Hi Scott,

Can you provide a concrete running example of both your successes (with TTree) and failures (with TChain)?

Thanks,
Philippe.

Scott Fallows wrote:
> Hello,
>
> I've been able to use MakeProxy with AddFriend-ed TTrees, but am
> having difficulty doing the same with TChains. When macrofilename()
> accesses a branch from a file after the first in the friend chain, all
> events have value 0 (or, occasionally, the value of the branch for the
> last event from the first file).
>
> Should TChain be compatible with the Friend features of MakeProxy? If
> it is currently not, I would like to request that this feature be
> considered for implementation.
>
> System: x86, root 5.22/00a
>
> Thanks,
> Scott
>
Received on Tue Jun 16 2009 - 18:38:15 CEST

This archive was generated by hypermail 2.2.0 : Wed Jun 17 2009 - 05:50:04 CEST