private void Button_DrawCircle_Click(object sender, RoutedEventArgs e)
{
circle = amap.AddCircle(new AMapCircleOptions()
{
Center = amap.Center,
Radius = 2000,
});
this.btnVisible.IsEnabled = true;
}
private void DrawCircle()
{
CircleOptions circleOptions = new CircleOptions();
circleOptions.InvokeCenter(new LatLng(30.679879, 104.064855));
circleOptions.InvokeRadius(9000);
circleOptions.InvokeStrokeColor(Color.Black);
circleOptions.InvokeFillColor(Color.Transparent);
circleOptions.InvokeStrokeWidth(3);
aMap.AddCircle(circleOptions);
}
private void Button_DrawCircle_Click(object sender, RoutedEventArgs e)
{
//绘圆
circle = amap.AddCircle(new AMapCircleOptions()
{
Center = amap.Center, //圆点位置
Radius = 1000, //半径
FillColor = Color.FromArgb(70, 100, 150, 255),
StrokeWidth = 3,
StrokeColor = Color.FromArgb(255, 0, 0, 255)
});
}
void mylocation_PositionChanged(AMapGeolocator sender, AMapPositionChangedEventArgs args)
{
this.Dispatcher.BeginInvoke(() =>
{
if (marker == null)
{
//添加圆
circle = amap.AddCircle(new AMapCircleOptions()
{
Center = args.LngLat, //圆点位置
Radius = (float)args.Accuracy, //半径
FillColor = Color.FromArgb(80, 100, 150, 255),
StrokeWidth = 2, //边框粗细
StrokeColor = Color.FromArgb(80, 0, 0, 255), //边框颜色
});
//添加点标注，用于标注地图上的点
marker = amap.AddMarker(
new AMapMarkerOptions()
{
Position = args.LngLat, //图标的位置
Title = "我的位置",
IconUri = new Uri("Images/marker_gps_no_sharing.png", UriKind.Relative), //图标的URL
Anchor = new Point(0.5, 0.5), //图标中心点
});
}
else
{
//点标注和圆的位置在当前经纬度
marker.Position = args.LngLat;
circle.Center = args.LngLat;
circle.Radius = (float)args.Accuracy;//圆半径
}
//设置当前地图的经纬度和缩放级别
amap.MoveCamera(CameraUpdateFactory.NewLatLngZoom(args.LngLat, 15));
Debug.WriteLine("定位精度：" + args.Accuracy + "米");
Debug.WriteLine("定位经纬度：" + args.LngLat);
});
}
/// <summary>
/// 监听位置变化
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnPositionChanged(AMapGeolocator sender, AMapPositionChangedEventArgs args)
{
Debug.WriteLine("OnPositionChanged");
Dispatcher.BeginInvoke(() =>
{
if (currentLocationMarker == null)
{
//添加定位精度圈，为覆盖物中的圆
currentLocationCircle = map.AddCircle(new AMapCircleOptions
{
Center = args.LngLat, //圆点位置
Radius = (float)args.Accuracy, //半径
FillColor = Color.FromArgb(80, 100, 150, 255),
StrokeWidth = 2, //边框粗细
StrokeColor = Color.FromArgb(80, 0, 0, 255) //边框颜色
});
currentLocationMarker = map.AddMarker(new AMapMarkerOptions
{
Position = args.LngLat, //图标的位置
Title = "我的位置",
IconUri = new Uri("Images/current_location.png", UriKind.Relative), //图标的URL
//Anchor = new Point(0.5, 0.5) //图标中心点
});
}
else
{
//更新当前位置
currentLocationMarker.Position = args.LngLat;
currentLocationCircle.Center = args.LngLat;
currentLocationCircle.Radius = (float)args.Accuracy;
}
//设置当前地图的经纬度和缩放级别
map.MoveCamera(CameraUpdateFactory.NewLatLngZoom(args.LngLat, 15));
Debug.WriteLine("定位精度:{0}米", args.Accuracy);
Debug.WriteLine("定位经纬度:{0}", args.LngLat);
});
}
