private static double DistanceToLongitudeDegrees(Position position, Distance distance)
{
double latCircumference = LatitudeCircumferenceKm(position);
return(distance.Kilometers / latCircumference * 360);
}
public static MapSpan FromCenterAndRadius(Position center, Distance radius)
{
return(new MapSpan(center, 2 * DistanceToLatitudeDegrees(radius), 2 * DistanceToLongitudeDegrees(center, radius)));
}
private static double DistanceToLatitudeDegrees(Distance distance)
{
return(distance.Kilometers / EarthCircumferenceKm * 360);
}