Use h->SetMinimum(0); instead of TAxis::setRange Rene Brun Avi Malki wrote: > > Hi all, > > in the attached figures you see 4 histograms. The histogram at the right > side at the bottom is the difference of the two histograms in the left > bottom. Note that some bins in the histogram at the right side at the > bottom are negative, therefore the x-axis is not y=0, but y=-3. If I > choose a range in this histogram with the command setRange like depicted > in figure fig_3.ps then Root draws the limits of the range down to the > x-axis and not only down to y=0. However, Root fills the chosen bins > correctly down to y=0. > > Isn't this a bug? > > I use : ROOT Version 2.22/09. > : Linux red hat 7.3. > > Best regards, > Avi. > > ------------------------------------------------------------------- > Avi Malki > Department of Nuclear Physics > School of Physics and Astronomy > Tel-Aviv University > Israel > > University - Phone : 972-3-6407415 Fax : 972-3-6406369 > Home - Phone : 972-3-5081734 > > E-Mail: malki@tauphy.tau.ac.il > WWW : http://www-nuclear.tau.ac.il/~malki/ > ------------------------------------------------------------------- > > -------------------------------------------------------------------------------- > Name: fig_1.ps > fig_1.ps Type: Postscript Document (APPLICATION/PostScript) > Encoding: BASE64 > > Name: fig_3.ps > fig_3.ps Type: Postscript Document (APPLICATION/PostScript) > Encoding: BASE64
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