Rudi Lutter wrote: > > Dear roots, > > I think there is bug in "DrawPanel": > Try the following: > (1) run "hsimple" to produce a histogram > (2) click on the curve to get the DrawPanel for "hpx" > (3) use the slider to select a region > (4) click on the curve once more to get "FitPanel" > (5) do a gaussian fit for example > (6) click on the fitted curve to get a DrawPanel again > (7) the above DrawPanel (2) will then be reassigned to "gauss" > (8) trying to use the slider causes "segment violation" > (9) the original histogram "hpx" vanishes > > It seems that some "hpx" defs are left in the DrawPanel when it is reused > for the "gauss" curve. > Thanks for reporting this problem. I have protected the class TDrawPanelHist to prevent zooming when the DrawPanel is invoked from a function fitted on top of an histogram. To zoom, select the histogram, not the fitted function. Rene Brun
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