Hi Paul, Do: h->Draw("l hist") Rene Brun On Fri, 29 Nov 2002, Paul Balm wrote: > Hello, > > The draw-option "L" doesn't seem to work if Sumw2() on the histogram is > set. This is what happens: > > [root] TH1F* h = afile->Get("a_histo"); > [root] h->Draw("L") > > (looks right, line is drawn) > > [root] h->Sumw2() > [root] h->Draw("L") > > (line is *not* drawn) > > Am I doing something wrong, or is there maybe a way around this? > I would like to draw the histogram with the options "E3" and "L", and I > create it with TH1F::Divide, so I really need to set Sumw2. I guess I > could copy the final histogram to a new histogram by setting the bin > content and errors manually bin by bin, then draw the new histogram. > I'm using root 3.03/09 on Linux RH6. > Regards, > > Paul Balm > >
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