Hi Frederic, You can : -use the mouse on the Y axis to select the range -or call h->SetMaximum(max), h->SetMinimum(min) Rene Brun Frederic Sarazin wrote: > > Dear Rooters, > > do you know how to change the Y scale for a 1D histogram... (ex: to > see a weak peak close to a huge one...). > > We tried hist->GetYaxis() then axis->SetRangeUser(), but this doesn't > seem to work for the Y axis of a TH1 as it works for a TH2. > > Thanks, > > Fred
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