public static BoundingLatLong RoundExpand(this BoundingLatLong bound, int digits)
 {
     bound.NorthEast.Latitude  = Math.Round(bound.NorthEast.Latitude, digits, MidpointRounding.AwayFromZero);
     bound.NorthEast.Longitude = Math.Round(bound.NorthEast.Longitude, digits, MidpointRounding.AwayFromZero);
     bound.SouthWest.Latitude  = Math.Round(bound.SouthWest.Latitude, digits, MidpointRounding.AwayFromZero);
     bound.SouthWest.Longitude = Math.Round(bound.SouthWest.Longitude, digits, MidpointRounding.AwayFromZero);
     return(bound);
 }