Hi Luca,
Many Root DistancetoPrimitive functions return a big number such as 99999
when the mouse is too far from the object. This is likely the case
in your example.
Rene Brun
On Tue, 10 Apr 2001, Luca Doria wrote:
> Hi all.
> I have some problems with DistancetoPrimitive.
> My code is:
>
> pad3->cd();
> graph1 = new TGraphErrors(16,eff,bkr,e1,ErrBR);
> graph1->Draw("CP");
>
> Int_t pointmaxX = pad3->XtoPixel(1.0);
> Int_t pointmaxY = pad3->YtoPixel(1.0);
> printf("PIXELS: %d,%d\n",pointmaxX,pointmaxY);
> Int_t pixeldist = graph1->DistancetoPrimitive(pointmaxX,pointmaxY);
> printf("Pixeldist: %d\n",pixeldist);
>
> The promlem is that pixeldist is always equal to 99999...
>
> Thanks!
>
> Luca.
>
>
>
> +------------------------------------------------------+
> |Luca Doria |
> | |
> |Dipartimento di Fisica |
> |Via Sommarive, Povo (TN) |
> |Facolta' di Scienze MM.FF.NN , Universita' di Trento |
> | |
> |Tel (Dip.Fis) : (+39) 0461-881525 |
> |e.mail ldoria@science.unitn.it |
> | doria@fnal.gov |
> +------------------------------------------------------+
>
>
>
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