Hi, Rene Brun,
Thank you very much! It is so cool! Xiaorong
On Sun, 14 Oct 2001, Rene Brun wrote:
> An example:
>
> {
> gROOT->Reset();
>
> TCanvas *cc = new TCanvas("cc","cc",0,0,500,500);
> TLine *line = new TLine();
>
> TArc *arc0 = new TArc();
> arc0->DrawArc(.1,.1,.07);
>
> TArc *arc1 = new TArc(.2,.2,.07);
> arc1->Draw();
>
> TArc *arc2 = new TArc(.3,.3,.07);
> arc2->SetFillColor(kBlue);
> arc2->Draw();
>
> TArc *arc3 = new TArc(.2,.5,.2,45.,135.);
> arc3->SetFillColor(kRed);
> arc3->Draw();
> line->DrawLine(.2,.5,.4,.7);
> line->DrawLine(.2,.5,.0,.7);
>
> TArc *arc4 = new TArc(.5,.5,.2,0,90.);
> arc4->SetFillColor(kGreen);
> arc4->Draw();
> line->DrawLine(.5,.5,.7,.7);
> line->DrawLine(.5,.5,.3,.7);
>
> TArc *arc5 = new TArc(.8,.5,.2,180/4.,3.*180/4);
> arc5->SetFillColor(kYellow);
> arc5->Draw();
> line->DrawLine(.8,.5,1.,.7);
> line->DrawLine(.8,.5,.6,.7);
> }
>
> Rene Brun
>
> On Sun, 14 Oct 2001, Xiaorong Wang wrote:
>
> > Hi, Dear all,
> >
> > I am a new rooter. I use TArc *a1 = new TArc(0, 0, 10);
> > draw a circle. How to fill colors in a certain degree area?
> >
> > Many thanks in advance!
> >
> > Xiaorong
> >
>
>
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