root-6.10.00/html/ellipse_8C.html

TCanvas *ellipse(){

   TCanvas *c1 = new TCanvas("c1");

   c1->Range(0,0,1,1);

   TPaveLabel *pel = new TPaveLabel(0.1,0.8,0.9,0.95,"Examples of Ellipses");

   pel->SetFillColor(42);

   pel->Draw();

   TEllipse *el1 = new TEllipse(0.25,0.25,.1,.2);

   el1->Draw();

   TEllipse *el2 = new TEllipse(0.25,0.6,.2,.1);

   el2->SetFillColor(6);

   el2->SetFillStyle(3008);

   el2->Draw();

   TEllipse *el3 = new TEllipse(0.75,0.6,.2,.1,45,315);

   el3->SetFillColor(2);

   el3->SetFillStyle(1001);

   el3->SetLineColor(4);

   el3->Draw();

   TEllipse *el4 = new TEllipse(0.75,0.25,.2,.15,45,315,62);

   el4->SetFillColor(5);

   el4->SetFillStyle(1001);

   el4->SetLineColor(4);

   el4->SetLineWidth(6);

   el4->Draw();

   return c1;

}