public static RadarBounds GetRadarBoundsForScreen(this MKMapView map)
{
RadarBounds bounds = map.GetRadarBounds();
bounds.Width = map.Frame.Size.Width;
bounds.Height = map.Frame.Size.Height;
return(bounds);
}
public static RadarBounds GetRadarBoundsForScreen(this MKMapView map)
{
RadarBounds bounds = map.GetRadarBounds();
var rect = map.ConvertRegion(map.Region, map.Superview);
bounds.Width = rect.Width * UIScreen.MainScreen.Scale;
bounds.Height = rect.Height * UIScreen.MainScreen.Scale;
return(bounds);
}
public Task <byte []> GetRadarImageAsync(RadarBounds bounds)
{
try {
var query = $"image.gif?maxlat={bounds.MaxLat}&maxlon={bounds.MaxLon}&minlat={bounds.MinLat}&minlon={bounds.MinLon}&width={bounds.Width}&height={bounds.Height}&rainsnow={1}&num={6}&delay={25}";
var url = ApiKeys.WuApiKeyedQueryFmt.Fmt("animatedradar", query);
System.Diagnostics.Debug.WriteLine(url);
return(client.GetAsync <byte []> (url));
} catch (WebServiceException webEx) {
System.Diagnostics.Debug.WriteLine($"Exception processing Weather Underground request for Radar Image\n{webEx.Message}");
throw;
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine($"Exception processing Weather Underground request for Radar Image\n{ex.Message}");
throw;
}
}
public static RadarBounds GetRadarBounds(this MKMapView map)
{
CLLocationCoordinate2D center = map.CenterCoordinate;
var topLeft = MKMapPoint.FromCoordinate(new CLLocationCoordinate2D(center.Latitude + (map.Region.Span.LatitudeDelta / 2.0), center.Longitude - (map.Region.Span.LongitudeDelta / 2.0)));
var bottomRight = MKMapPoint.FromCoordinate(new CLLocationCoordinate2D(center.Latitude - (map.Region.Span.LatitudeDelta / 2.0), center.Longitude + (map.Region.Span.LongitudeDelta / 2.0)));
var bounds = new RadarBounds {
MinLat = center.Latitude + (map.Region.Span.LatitudeDelta / 2.0),
MaxLat = center.Latitude - (map.Region.Span.LatitudeDelta / 2.0),
MinLon = center.Longitude - (map.Region.Span.LongitudeDelta / 2.0),
MaxLon = center.Longitude + (map.Region.Span.LongitudeDelta / 2.0),
Height = Math.Abs(topLeft.Y - bottomRight.Y),
Width = Math.Abs(topLeft.X - bottomRight.X)
};
return(bounds);
}
