void testDottedCircle()
{

	//--create a frame--//
	TH1 *hframe = new TH1F("hframe","hframe",1000,-1,1);
	hframe->SetMinimum(-1);
	hframe->SetMaximum(1);
	hframe->SetDirectory(0);
	hframe->SetStats(0);
	hframe->Draw("a");

	//--prepare the ellipse - make it a dotted line (3)--//
	TEllipse el;
	el.SetFillStyle(0);
	el.SetLineStyle(3);

	//--prepare a line - make it a dotted line(3)
	TLine l;
	l.SetLineStyle(3);

	//draw the ellipse//
	el.DrawEllipse(0.,0.,0.5,0.5,0.,360,0);

	//draw the line//
	l.DrawLine(-1,-1,1,1);

	gPad->Print("dottedCircleTest.pdf");
	gPad->Print("dottedCircleTest.gif");
}