Hi Nick,
You can try:
tree.Query("BRHIST.Draw()"," EVT==101");
or tree.Scan instead of Query
Rene Brun
On Tue, 11 Jun 2002, Nick van Eijndhoven wrote:
> Dear friends,
> In performing some data analysis I want to create an output tree
> of which a certain branch BRHIST contains a histogram.
> The tree contains of course several entries of which each entry has
> a certain event number stored as EVT.
> In my analysis I would like to display for a certain event (let's say
> EVT==101) the corresponding histogram from the branch BRHIST.
> How should I achieve this ?
> Obviously I would like to use the TTreeViewer facility of the tree
> for it, since on basis of how the histo looks like I would also like
> to investigate several other variables of that event.
>
> Cheers,
> Nick.
> --
> Dr. Nick van Eijndhoven mailto:nick@phys.uu.nl http://www.phys.uu.nl/~nick
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