Hi Rene Thanks you very much. Cheers Luiz Rene Brun wrote: >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 >> >> -------------------------------------------------------------------------------- >> >> Name: c.gif >> c.gif Type: GIF Image (image/gif) >> Encoding: base64 >>
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