Dear ROOT experts, I have been working with ntuples with lots of events (>10^8) evts and doing a skimming over them. During the skimming I fill a cutflow histogram indicating how many events pass certain selections. The problem is that when working with so many events, the cutflow histogram stops …

Thank you very much!!.. and sorry for asking this naive question…

Bug in TH1F when working with lots of events

dastudillo February 5, 2022, 6:23am 2

Hi rooter, I fill a TH1F by the Fill(x) function. I know how many counts I should have in a given bin, but when drawing the histogram (and doing h->GetBinContent(i)) the number of counts in that bin are 1.677e7, while they should be ~6e7. Is 1.677e7 the maximum content of a bin in TH1F? I’m using ROOT 6.15 Thank you for your help Cheers Paola

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