Hi Daniel,
You can do something like:
tree->Draw("x:(y+rndm)")
or
tree->Draw("x:(y+3.5*rndm)")
where rndm is a built-in keyword to generate a random number
in [0,1].
We are currently working on extensions of TTree::Draw allowing to call
general functions or user defined functions.
Rene Brun
On Thu, 4 Jul 2002, Daniel De Marco wrote:
> Hi rooters,
>
> I have a TTree with some variables (say x and y) and I want to plot x
> versus (y+random number).
> Something like this:
> TRandom dummy
> tree->Draw("x:(y+dummy.Uniform())")
> I tried this one and also others using TF1 but I cannot achieve the intended
> result.
>
> Anyone can help me?
>
> Thanks in advance.
>
> Bye,
> Daniel.
>
> --ddm
>
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