/// <summary>
/// Calcule la distance entre 2 coordonées géographique
/// </summary>
/// <param name="latitude1">Latitude du point 1</param>
/// <param name="longitude1">Longitude du point 1</param>
/// <param name="latitude2">Latitude du point 2</param>
/// <param name="longitude2">Longitude du point 2</param>
/// <param name="units">Unité de conversion de retrour</param>
/// <returns>Distance</returns>
public static double distanceBetweenTwoGeoCodes(double latitude1, double longitude1, double latitude2, double longitude2, GeoMetrics units)
{
double distance = rad2deg(Math.Acos(Math.Sin(deg2rad(latitude1)) * Math.Sin(deg2rad(latitude2)) + Math.Cos(deg2rad(latitude1)) * Math.Cos(deg2rad(latitude2)) * Math.Cos(deg2rad(longitude1 - longitude2))));
distance = distance * 60 * 1.1515;
switch(units)
{
case GeoMetrics.kilometers: return (distance * 1.609344);
case GeoMetrics.nautical_miles: return (distance * 0.8684);
default: return distance;
}
}
/// <summary>
/// Calcule la distance entre 2 coordonées géographique
/// </summary>
/// <param name="latitude1">Latitude du point 1</param>
/// <param name="longitude1">Longitude du point 1</param>
/// <param name="latitude2">Latitude du point 2</param>
/// <param name="longitude2">Longitude du point 2</param>
/// <param name="units">Unité de conversion de retrour</param>
/// <returns>Distance</returns>
public static double distanceBetweenTwoGeoCodes(double latitude1, double longitude1, double latitude2, double longitude2, GeoMetrics units)
{
double distance = rad2deg(Math.Acos(Math.Sin(deg2rad(latitude1)) * Math.Sin(deg2rad(latitude2)) + Math.Cos(deg2rad(latitude1)) * Math.Cos(deg2rad(latitude2)) * Math.Cos(deg2rad(longitude1 - longitude2))));
distance = distance * 60 * 1.1515;
switch (units)
{
case GeoMetrics.kilometers: return(distance * 1.609344);
case GeoMetrics.nautical_miles: return(distance * 0.8684);
default: return(distance);
}
}
