private double DistanceToIn(GeoCoordinates anotherLocation, double earthRadiusUnit)
{
double dlon = Radians(anotherLocation.Longitude - this.Longitude);
double dlat = Radians(anotherLocation.Latitude - this.Latitude);
var a =
Math.Sin(dlat / 2) * Math.Sin(dlat / 2) +
Math.Cos(Radians(this.Latitude)) * Math.Cos(Radians(anotherLocation.Latitude)) *
Math.Sin(dlon / 2) * Math.Sin(dlon / 2)
;
var c = 2 * Math.Atan2(Math.Sqrt(a), Math.Sqrt(1 - a));
var d = earthRadiusUnit * c;
return(d);
}
public double DistanceToInMeters(GeoCoordinates anotherLocation)
{
return(DistanceToIn(anotherLocation, EarthRadiusInMeters));
}
