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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