private void showAirSpave(GMapOverlay overlay, double lat, double lang, String name)
{
overlay.Markers.Clear();
// 展示鼠标点击点
if (overlay.Equals(portSelOverlay))
{
PointLatLng point1 = new PointLatLng(lat, lang);
GMapAirPort airPort = new GMapAirPort(point1, name);
overlay.Markers.Add(airPort);
gMapControl1.Refresh();
return;
}
// 根据name获取要展示的空域信息
List <Dictionary <string, object> > result = ProfileHelper.Instance.Select("SELECT * FROM AirSpace WHERE Name = \"" + name + "\"");
if (result.Count > 0)
{
overlay.Clear();
int type = Convert.ToInt16(result[0]["Type"]);
if (1 == type)
{
// 圆形
double t = Convert.ToDouble(result[0]["Lat"]);
double g = Convert.ToDouble(result[0]["Lng"]);
double radius = Convert.ToDouble(result[0]["Radius"]);
PointLatLng point = new PointLatLng(t, g);
GMapMarkerCircle gMapMarkerCircle = new GMapMarkerCircle(point, (int)radius);
overlay.Markers.Add(gMapMarkerCircle);
}
if (0 == type)
{
// 多边形
List <PointLatLng> points = new List <PointLatLng>();
foreach (Dictionary <string, object> dictionary in result)
{
double t = Convert.ToDouble(dictionary["Lat"]);
double g = Convert.ToDouble(dictionary["Lng"]);
PointLatLng point = new PointLatLng(t, g);
points.Add(point);
}
GMapPolygon polygon = new GMapPolygon(points, "mypolygon");
polygon.Fill = new SolidBrush(Color.FromArgb(50, Color.Red));
polygon.Stroke = new Pen(Color.Red, 1);
overlay.Polygons.Add(polygon);
}
}
gMapControl1.Refresh();
}
private void showAirPort(GMapOverlay overlay, double lat, double lang, String name, int num, double length)
{
overlay.Markers.Clear();
PointLatLng point1 = new PointLatLng(lat, lang);
GMapAirPort airPort = new GMapAirPort(point1, name);
overlay.Markers.Add(airPort);
while (num > 0)
{
GMapMarkerCircle gMapMarkerCircle = new GMapMarkerCircle(point1, (int)length * num);
overlay.Markers.Add(gMapMarkerCircle);
num--;
}
gMapControl1.Refresh();
}
