Re: Separate selections for 2D-plots
Rene Brun (Rene.Brun@cern.ch)
Wed, 23 Sep 1998 01:53:24 +0200
Manuel Sanchez wrote:
>
> Hi Rooters,
>
> Is it difficult to add support in TTree::Draw() for separate selections
> in 2D and 3D plots?. I'll explain myself; the idea is to do things like:
>
> T.Draw("time:time","sector==1:sector==2")
>
> So i can do a plot of times in sector 1 against times in sector 2
> eventhough i have all the times in one single branch. BTW, is there
> another way to do this?
>
> Would it be enough to use fSelect1,fSelect2 and fSelect3, instead of
> only fSelect, in the TTree class?
>
Manuel,
I do not understand your Tree structure. Could you send me the
result of T.Print().
In case you have two branches (say sector1 and sector2) with leaves
having the same name, you can resolve the ambiguitywith a command
like
T.Draw("sector1.time:sector2.time)
Rene Brun