/// <summary>
/// Convert a distance into latitude degrees.
/// </summary>
/// <returns>Latitude degrees</returns>
/// <param name="distance">Distance</param>
static double DistanceToLatitudeDegrees(Distance distance)
{
return(distance.Kilometers / EarthCircumferenceKm * 360);
}
/// <summary>
/// Convert a distances into longitude degrees
/// </summary>
/// <returns>Longitude degrees</returns>
/// <param name="position">Position for latitude to use for circumference</param>
/// <param name="distance">Distance</param>
static double DistanceToLongitudeDegrees(Position position, Distance distance)
{
double latCircumference = LatitudeCircumferenceKm(position);
return(distance.Kilometers / latCircumference * 360);
}
/// <summary>
/// Create a new MapSpan from center and radius
/// </summary>
/// <returns>New MapSpan</returns>
/// <param name="center">Center for new MapSpan</param>
/// <param name="radius">Radius for new MapSpan</param>
public static MapSpan FromCenterAndRadius(Position center, Distance radius)
{
return(new MapSpan(center, 2 * DistanceToLatitudeDegrees(radius), 2 * DistanceToLongitudeDegrees(center, radius)));
}