Stephen Bailey wrote:
>
> Hi.
>
> I'm trying to use ROOT to draw a contour map of a 2D function
> using TF2. I see that I can set the number of contours using
> TF2::SetContour(Int_t nlevels), but is there any way that I
> can set what the contour level are, like
> TH1::SetContour(Int_t nlevels, Float_t* levels) ?
> And if not that, is there any convenient way I can find out what
> levels ROOT is using for my function by default? Thanks.
>
> Stephen
>
> Details: My specific function is
>
> TF2* cn1 = new TF2("cn1", "1/(0.84*0.71*sqrt(y/(1+y))*sqrt(x*670))", 0.05,
> 0.1, 0.25, 1);
>
> and I would like to draw a contour plot with contours at
> 0.3, 0.35, 0.4, ..., 0.6
Hi Stephen,
In version 2.21/02, I have added:
- support for non-equidistant contours in TH1::PaintContour
- Support for equi and non-qudistant contours in TF2
Rene Brun
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