| public static DistanceInMilesBetween ( double lat1, double lon1, double lat2, double lon2 ) : double | ||
| lat1 | double | |
| lon1 | double | |
| lat2 | double | |
| lon2 | double | |
| Результат | double | |
public static double DistanceInMilesBetween(double lat1, double lon1, double lat2, double lon2)
{
double theta = lon1 - lon2;
double dist = Math.Sin(deg2rad(lat1)) * Math.Sin(deg2rad(lat2)) + Math.Cos(deg2rad(lat1)) * Math.Cos(deg2rad(lat2)) * Math.Cos(deg2rad(theta));
dist = Math.Acos(dist);
dist = rad2deg(dist);
dist = dist * 60 * 1.1515;
return (dist);
}
