private Location Parse(string input)
{
string[] tokens = Regex.Split(input.Substring(1, input.Length - 2), CsvPattern);
var address = tokens[0];
var latitude = double.Parse(tokens[1]);
var longitude = double.Parse(tokens[2]);
var geoCoodinate = new GeoCoordinate(latitude, longitude);
return new Location { Address = address, Coordinates = geoCoodinate };
}
/// <summary>
/// Calculates the distance between this geoCoordinate and another one, in meters.
/// </summary>
public double CalculateDistance(GeoCoordinate geoCoordinate)
{
var rlat1 = Math.PI * Latitude / 180;
var rlat2 = Math.PI * geoCoordinate.Latitude / 180;
var rlon1 = Math.PI * Longitude / 180;
var rlon2 = Math.PI * geoCoordinate.Longitude / 180;
var theta = Longitude - geoCoordinate.Longitude;
var rtheta = Math.PI * theta / 180;
var dist = Math.Sin(rlat1) * Math.Sin(rlat2) + Math.Cos(rlat1) * Math.Cos(rlat2) * Math.Cos(rtheta);
dist = Math.Acos(dist);
dist = dist * 180 / Math.PI;
dist = dist * 60 * 1.1515;
return dist * 1609.344;
}
public SpatialDocument(ISpatialDocument entity)
{
_id = entity.Id;
_coordinates = entity.Coordinates;
}