sergeymnet / get_distanse

Get distanse => lat1/lon1 to lat2/lon2 => distance km

Get_Distanse

    {
        double lat1 = 51.491594;
        double lon1 = 31.298318;

        double lat2 = 51.493935;
        double lon2 = 31.294944;

        double dist = (6371 *
            Math.Acos(Math.Cos(DegreeToRadian(lat1)) *
            Math.Cos(DegreeToRadian(lat2)) *
            Math.Cos(DegreeToRadian(lon2) - DegreeToRadian(lon1)) +
            Math.Sin(DegreeToRadian(lat1)) *
            Math.Sin(DegreeToRadian(lat2))));

        //(350m)
        Console.WriteLine("-----------dist km = " + dist);
        Console.ReadKey();
    }


    private static double DegreeToRadian(double angle)
    {
        return Math.PI * angle / 180.0;
    }