I downloaded the ROOT 3.01/03 and had fixed some crashes when mouse crosses canvas
under Windows.
Hope this helps,
Valeri
> of course it's empty, but that doesn't mean it has to crash...
>
> root [0] h1=new TH1F()
> (class TH1F*)0x12d8b38
> root [1] h1->Draw()
> <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
> Error in <TCanvas::Range>: illegal world coordinates range: x1=-1.#IND00,
> y1=26250000488944355000000000000000.000000, x2
> =-1.#IND00, y2=-236250000488944360000000000000000.000000
> Error in <TCanvas::RangeAxis>: illegal axis coordinates range:
> xmin=-1.#IND00, ymin=0.000000, xmax=-1.#IND00, ymax=-2100
> 00000000000010000000000000000.000000
> Error in <TGraph::PaintGraphHist>: illegal number of points (0)
>
> As soon as the mouse cursor is over the canvas, root crashes (instruction at
> .... referenced memory at ... memory could not be read). And what's drawn in
> the canvas looks quite weird, too.
>
> Crashes on Win, 3.01/02 non debug. Can somebody fix that? I could imagine an
> histogram that is only filled conditionally in some for loop, so it might
> not be filled at all.
>
> Cheers, Axel.
>
>
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