ArcStache.WebMercatorUtil.YToLatitude C# (CSharp) Метод

        public static double YToLatitude(double y)
        {
            var loc1 = PI_OVER_2 - 2 * Math.Atan(Math.Exp(-1 * y / RADIUS));
            return loc1 * DEGREES_PER_RADIANS;
        }