/// <summary>
/// Return GeoLocation from Radians
/// </summary>
/// <param name="latitude">The latitude, in radians.</param>
/// <param name="longitude">The longitude, in radians.</param>
/// <returns>GeoLocation in Radians</returns>
public static GeoLocation FromRadians(double latitude, double longitude)
{
GeoLocation result = new GeoLocation
{
radLat = latitude,
radLon = longitude,
degLat = Helpers.ConvertRadiansToDegrees(latitude),
degLon = Helpers.ConvertRadiansToDegrees(longitude)
};
result.CheckBounds();
return result;
}
/// <summary>
/// Computes the great circle distance between this GeoLocation instance and the location argument.
/// </summary>
/// <param name="location">Location to act as the centre point</param>
/// <returns>the distance, measured in the same unit as the radius argument.</returns>
public double DistanceTo(GeoLocation location)
{
return Math.Acos(Math.Sin(radLat) * Math.Sin(location.radLat) +
Math.Cos(radLat) * Math.Cos(location.radLat) *
Math.Cos(radLon - location.radLon)) * earthRadius;
}
/// <summary>
/// Computes the great circle distance between this GeoLocation instance and the location argument.
/// </summary>
/// <param name="location">Location to act as the centre point</param>
/// <returns>the distance, measured in the same unit as the radius argument.</returns>
public double DistanceTo(GeoLocation location)
{
return(Math.Acos(Math.Sin(radLat) * Math.Sin(location.radLat) +
Math.Cos(radLat) * Math.Cos(location.radLat) *
Math.Cos(radLon - location.radLon)) * earthRadius);
}
