void AddCircles()
{
ClearOverlays();
var mapOverlayManager = mapView.MapOverlayManager;
var pathDataOverlay = mapOverlayManager.NewPathDataOverlay(new NMapPathData());
// add circle data
var circleData1 = new NMapCircleData(1);
circleData1.InitCircleData();
circleData1.AddCirclePoint(127.1085, 37.3675, 50.5f);
//// set circle style
var circleStyle1 = new NMapCircleStyle();
circleStyle1.SetLineType(NMapPathLineType.Dash);
circleData1.CircleStyle = circleStyle1;
circleData1.EndCircleData();
pathDataOverlay.AddCircleData(circleData1);
// add circle data
var circleData2 = new NMapCircleData(1);
circleData2.InitCircleData();
circleData2.AddCirclePoint(127.1065, 37.3685, 27.0f);
circleData2.EndCircleData();
// set circle style
var circleStyle2 = new NMapCircleStyle();
circleStyle2.SetLineType(NMapPathLineType.Solid);
circleStyle2.FillColor = UIColor.Green;
circleData2.CircleStyle = circleStyle2;
pathDataOverlay.AddCircleData(circleData2);
// add circle data
var circleData3 = new NMapCircleData(1);
circleData3.InitCircleData();
circleData3.AddCirclePoint(127.1085, 37.3685, 35.0f);
circleData3.EndCircleData();
// set circle style
var circleStyle3 = new NMapCircleStyle();
circleStyle3.SetLineType(NMapPathLineType.Solid);
circleStyle3.FillColor = UIColor.Gray;
circleData3.CircleStyle = circleStyle3;
pathDataOverlay.AddCircleData(circleData3);
// show all POI data
pathDataOverlay.ShowAllPathData();
}
private void TestPathDataOverlay()
{
// set path data points
NMapPathData pathData = new NMapPathData(9);
pathData.InitPathData();
pathData.AddPathPoint(127.108099, 37.366034, NMapPathLineStyle.TypeSolid);
pathData.AddPathPoint(127.108088, 37.366043, 0);
pathData.AddPathPoint(127.108079, 37.365619, 0);
pathData.AddPathPoint(127.107458, 37.365608, 0);
pathData.AddPathPoint(127.107232, 37.365608, 0);
pathData.AddPathPoint(127.106904, 37.365624, 0);
pathData.AddPathPoint(127.105933, 37.365621, NMapPathLineStyle.TypeDash);
pathData.AddPathPoint(127.105929, 37.366378, 0);
pathData.AddPathPoint(127.106279, 37.366380, 0);
pathData.EndPathData();
NMapPathDataOverlay pathDataOverlay = mOverlayManager.CreatePathDataOverlay(pathData);
if (pathDataOverlay != null)
{
// add path data with polygon type
NMapPathData pathData2 = new NMapPathData(4);
pathData2.InitPathData();
pathData2.AddPathPoint(127.106, 37.367, NMapPathLineStyle.TypeSolid);
pathData2.AddPathPoint(127.107, 37.367, 0);
pathData2.AddPathPoint(127.107, 37.368, 0);
pathData2.AddPathPoint(127.106, 37.368, 0);
pathData2.EndPathData();
pathDataOverlay.AddPathData(pathData2);
// set path line style
NMapPathLineStyle pathLineStyle = new NMapPathLineStyle(mMapView.Context);
pathLineStyle.PataDataType = NMapPathLineStyle.DataTypePolygon;
pathLineStyle.SetLineColor(0xA04DD2, 0xff);
pathLineStyle.SetFillColor(0xFFFFFF, 0x00);
pathData2.PathLineStyle = pathLineStyle;
// add circle data
NMapCircleData circleData = new NMapCircleData(1);
circleData.InitCircleData();
circleData.AddCirclePoint(127.1075, 37.3675, 50.0F);
circleData.EndCircleData();
pathDataOverlay.AddCircleData(circleData);
// set circle style
NMapCircleStyle circleStyle = new NMapCircleStyle(mMapView.Context);
circleStyle.SetLineType(NMapPathLineStyle.TypeDash);
circleStyle.SetFillColor(0x000000, 0x00);
circleData.CircleStyle = circleStyle;
// show all path data
pathDataOverlay.ShowAllPathData(0);
}
}