Re: Root tree

From: Paul Seyfert <Paul.Seyfert_at_cern.ch>
Date: Wed, 19 May 2010 18:00:56 +0200


Hi,

by tree you mean an instance of TTree?
In that case you can use the TChain class (inherits from TTree). As I understood it, TChain does everything a TTree does but can handle several files.

Cheers,
Paul

On 05/19/2010 05:50 PM, Esra Khaleel wrote:
> Dear All,
>
> I have nine gzip files of data, I can make a root tree for each file but I
> need to get only one root tree for all the files in order to get more
> statistics. Is that possible?
>
> Thanks in advance,
> Esra.
>
Received on Wed May 19 2010 - 18:01:11 CEST

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