Hi Martin,
To add new output to an existing Tree, do:
- open old file in "update" mode
- Get the Tree from the file
TTree *tree = (TTree*)f.Get("tree");
- set tree branch address(es)
- fill
- tree->Write()
- close file
Rene Brun
On Wed, 11 Dec 2002, Martin Brueckel wrote:
> Hallo all,
>
> I have processed a data file and stored the output in a tree.
> Now I want to process more data and somehow append the root output to
> the existing tree.
> How can that be done ?
>
> Thanks,
> Martin
>
>
>
>
>
> Martin Brueckel
> Institut fuer Experimentelle Kernphysik
> Universitaet Karlsruhe
> Tel.: 07247 / 82-3712
> mail: brueckel@iekp.fzk.de
>
>
>
>
>
This archive was generated by hypermail 2b29 : Sat Jan 04 2003 - 23:51:23 MET