Hi Luiz,
Instead of:
root>h1->Draw("Ncmul","Igen & 1 << 3")
do
root>h1->Draw("Ncmul","(Igen & 1 << 3) != 0")
In the first case, the result of the mask operation is taken as a weight.
Rene Brun
Luiz Martins Mundim Filho wrote:
>
> The problem is even worst. See the the plots attached, produced with
> the commands
>
> root>TChain chain("h1")
> root>chain.Add("$SCRATCH_WEEK/*.root")
> root> TCanvs ...
> root> h1->Draw("Ncmul")
> root>c->cd(2)
> root>h1->Draw("Ncmul","Igen & 1 << 3")
>
> I took off some commands... See the scales of both plots, they are wrong.
>
> Some idea?
>
> Thanks.
> Luiz
>
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>
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