private void ProcessFeatures(IMap map, IEnumerable <Feature> features)
{
IOverlay airOverlay = map.GetOverlay("AAMapData.Air", true);
IOverlay groundOverlay = map.GetOverlay("AAMapData.Ground", true);
groundOverlay.IsVisible = _settings.GroundDataDisplay;
airOverlay.IsVisible = _settings.AirDataDisplay;
var polygons = new List <string>();
var lines = new List <string>();
foreach (Feature feature in features)
{
IOverlay overlay = string.Equals((string)feature.Properties.Get("category"), "airspace")
? airOverlay
: groundOverlay;
var altitude = ((JObject)feature.Properties.Get("altitudeFloor"))?.ToObject <Altitude>();
if (altitude == null || altitude.Meters <= 152)
{
if (!_settings.GroundDataDisplay)
{
if (overlay.PolygonExists(feature.Id))
{
continue;
}
}
}
else
{
if (!_settings.AirDataDisplay)
{
continue;
}
}
switch (feature.Geometry.Type)
{
case GeoJSONObjectType.Point:
{
var pnt = (Point)feature.Geometry;
List <PointLatLng> coordinates = new List <PointLatLng>();
if (feature.Properties.ContainsKey("radius"))
{
var rad = double.Parse(feature.Properties["radius"].ToString());
for (int i = 0; i <= 360; i += 10)
{
coordinates.Add(
newpos(new PointLatLng(((Position)pnt.Coordinates).Latitude,
((Position)pnt.Coordinates).Longitude), i, rad));
}
}
ColorInfo colorInfo = feature.ToColorInfo();
colorInfo.StrokeColor = 0xFFFF0000;
overlay.AddOrUpdatePolygon(feature.Id, coordinates, colorInfo, feature);
polygons.Add(feature.Id);
}
break;
case GeoJSONObjectType.MultiPoint:
break;
case GeoJSONObjectType.LineString:
{
var line = (LineString)feature.Geometry;
List <PointLatLng> coordinates = line.Coordinates.OfType <Position>()
.Select(c => new PointLatLng(c.Latitude, c.Longitude))
.ToList();
overlay.AddOrUpdateLine(feature.Id, coordinates, new ColorInfo {
StrokeColor = 0xFFFF0000
}, feature);
lines.Add(feature.Id);
}
break;
case GeoJSONObjectType.MultiLineString:
break;
case GeoJSONObjectType.Polygon:
{
var poly = (Polygon)feature.Geometry;
List <PointLatLng> coordinates =
poly.Coordinates[0].Coordinates.OfType <Position>()
.Select(c => new PointLatLng(c.Latitude, c.Longitude))
.ToList();
ColorInfo colorInfo = feature.ToColorInfo();
colorInfo.StrokeColor = 0xFFFF0000;
overlay.AddOrUpdatePolygon(feature.Id, coordinates, colorInfo, feature);
polygons.Add(feature.Id);
}
break;
case GeoJSONObjectType.MultiPolygon:
foreach (var poly in ((MultiPolygon)feature.Geometry).Coordinates)
{
List <PointLatLng> coordinates =
poly.Coordinates[0].Coordinates.OfType <Position>()
.Select(c => new PointLatLng(c.Latitude, c.Longitude))
.ToList();
ColorInfo colorInfo = feature.ToColorInfo();
colorInfo.StrokeColor = 0xFFFF0000;
overlay.AddOrUpdatePolygon(feature.Id, coordinates, colorInfo, feature);
polygons.Add(feature.Id);
}
break;
case GeoJSONObjectType.GeometryCollection:
break;
case GeoJSONObjectType.Feature:
break;
case GeoJSONObjectType.FeatureCollection:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
airOverlay.RemovePolygonsExcept(polygons);
groundOverlay.RemovePolygonsExcept(polygons);
airOverlay.RemoveLinesExcept(lines);
groundOverlay.RemoveLinesExcept(lines);
}