/// <summary>
/// Translate an address to a Location object, containing the latitude and
/// the longitude of the address.
/// </summary>
/// <param name="address">The address to be translated</param>
/// <returns>A Location instance</returns>
public static Location addressToLocation(string address)
{
string[] coords;
double latitude;
double longitude;
Location location;
coords = GMapsAPI.addressToLatLng(address);
latitude = double.Parse(coords[0]);
longitude = double.Parse(coords[1]);
location = new Location(address, latitude, longitude);
return location;
}
/// <summary>
/// Return distance in km to another Location.
/// </summary>
/// <param name="other">the other location</param>
/// <returns>the distance</returns>
public double distance(Location other)
{
/** Convert angle coordinates into radians. */
double a1 = (this.latitude* Math.PI ) / 180.0;
double b1 = (this.longitude* Math.PI ) / 180.0;
double a2 = (other.latitude* Math.PI ) / 180.0;
double b2 = (other.longitude* Math.PI ) / 180.0;
if ((a1 == 0 && b1 == 0) || (a2 == 0 && b2 == 0))
throw new System.Exception("One of the member has no coordinates");
int earthRadius = 6371;
double ret = Math.Acos(Math.Cos(a1) * Math.Cos(b1) * Math.Cos(a2) * Math.Cos(b2) + Math.Cos(a1) * Math.Sin(b1) * Math.Cos(a2) * Math.Sin(b2) + Math.Sin(a1) * Math.Sin(a2)) * earthRadius;
return ret;
}
public ServiceNode(string nodeName, string geoName, Location nodeLocation)
: base(nodeName, geoName, nodeLocation)
{
neighbours = new List<ServiceNode>();
localUsers = new List<UserNode>();
}
public Node(string nodeName, string geoName, Location nodeLocation)
{
this.nodeName = nodeName;
this.nodeGeoName = geoName;
this.location = nodeLocation;
}
public UserNode(string userName, Location nodeLocation)
: base(userName, null, nodeLocation)
{
}
public bool contains(Location other)
{
return this.distance(other) < range;
}
