var ctrlman = m_Map.GetCtrlMan();
var ctrlstate = ctrlman.GetControlState();

var layerMan = ctrlman.GetLayerMan();
var centerLL = ctrlstate.GetLLCenter();
var util = m_Map.GetUtility();
var pos = util.GetMapPos();
pos._Lon = centerLL._X;
pos._Lat = centerLL._Y;

// Step 1. Make Layer Style
var style = layerMan.FindStyle(1);
if (!style) {
style = layerMan.NewStyle(1);
style.SetPen(util.RGBColor(255, 0, 0), 0.3, util.GetConstToValue("PS_SOLID"));
style.SetBrush(util.RGBAColor(0, 0, 255, 100), util.GetConstToValue("BS_SOLID"));
}

// Step 2. Make LayerCircle
var circle = layerMan.NewCircle(100, -1);
circle.BeginUpdate();
circle.SetStyle(style);
// 내부가 채워진 원을 그립니다.
circle.SetClosed(1);
// 중심 좌표 설정
circle.SetCenter(pos);
// 반지름 설정
circle.SetRadius(600);
circle.EndUpdate();

alert('GetRadius:'+circle.GetRadius());
	

준비중입니다...