Re: [ROOT] TF@ polar option

From: Rene Brun (Rene.Brun@cern.ch)
Date: Mon May 21 2001 - 22:05:30 MEST


Hi Ray,
Contour plots are implemented only in cartesian coordinates.

Rene Brun

On Mon, 21 May 2001, Ray Fliller III wrote:

> 
>   Rooters,
> 
>     I beleive that I have found a bug in the TF2 drawing function.  
>   If I try to draw a TF2 using contours in polar coodinates, I do not get
>   a polar plot.  If I draw a surface diagram (or cont4) in polar, all is
>   O.K.
> 
>    I am using ROOT 3.06 on Mandrake Linux release 7.2.
> 
>    Here is an example
> 
>    test = new TF2("foo","[0]*0]*y+[1]*sqrt(y*y*y)*cos(3*x)");
>    test->SetParameters(0.1,0.001) ;
>    test->SetRange(0,0,2*3.14159265,70);
>    test->Draw("cont1pol");
>    test->Draw("surf1pol");
> 
>   Thanks.
> 
>  Ray 
> 



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