Minjeong, I had trouble with this at one point, also. When I streamed to a histogram it always created a new one with it's own binning. I then switched to h120->Project("emmm120","nmuon:nelectrn"); I'll let others comment on whether this is best, but it does seem to work. Jack cranshaw@fnal.gov Minjeong Kim wrote: > Hello all, > > I can't find any mistake in my macro file, but when I look at my > ps file, bin size and the total number of bins are not correct. > Can you find any mistake in my lines? > > emmm120 = new TH2F("emmm120", > "e-/e+ vs mu-/mu+",15,0,15,15,0,15); > h120->Draw("nmuon:nelectrn>>emmm120","","goff"); > emmm120->Draw("LEGO"); > > h120 is PAW Ntuple h2rooted and to fill ntuple conveniently I > treated nmuon and nelectrn as float, but in fact, nmuon & > nelectrn mean total number of electrons and muons and vary from > 0 to 15. So I tried to control the bin size as 1 and the number > of bins as 15. > > I hope I can get solution. Thanks. > > Minjeong > ================================ > Min Jeong Kim (CDF/KHCL) > E-mail : mjkim@fnal.gov > Office : CDF 137-B (X8473) > ================================
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