/// <summary>
/// Create a RT90 position by converting a WGS84 position
/// </summary>
/// <param name="position">WGS84 position to convert</param>
/// <param name="rt90projection">Projection to convert to</param>
public SWEREF99Position(WGS84Position position, SWEREFProjection projection)
: base(Grid.SWEREF99)
{
GaussKreuger gkProjection = new GaussKreuger();
gkProjection.swedish_params(GetProjectionString(projection));
var lat_lon = gkProjection.geodetic_to_grid(position.Latitude, position.Longitude);
Latitude = lat_lon[0];
Longitude = lat_lon[1];
Projection = projection;
}
/// <summary>
/// Create a RT90 position by converting a WGS84 position
/// </summary>
/// <param name="position">WGS84 position to convert</param>
/// <param name="rt90projection">Projection to convert to</param>
public RT90Position(WGS84Position position, RT90Projection rt90projection)
: base(Grid.RT90)
{
GaussKreuger gkProjection = new GaussKreuger();
gkProjection.swedish_params(GetProjectionString(rt90projection));
var lat_lon = gkProjection.geodetic_to_grid(position.Latitude, position.Longitude);
Latitude = lat_lon[0];
Longitude = lat_lon[1];
Projection = rt90projection;
}
/// <summary>
/// Convert the position to WGS84 format
/// </summary>
/// <returns></returns>
public WGS84Position ToWGS84()
{
GaussKreuger gkProjection = new GaussKreuger();
gkProjection.swedish_params(ProjectionString);
var lat_lon = gkProjection.grid_to_geodetic(Latitude, Longitude);
WGS84Position newPos = new WGS84Position()
{
Latitude = lat_lon[0],
Longitude = lat_lon[1],
GridFormat = Grid.WGS84
};
return newPos;
}
public void GetStopsByLocation(double latitude, double longitude, Action<IEnumerable<Model.Stop>> callback)
{
WGS84Position coordinates = new WGS84Position(latitude, longitude);
RT90Position rtPos = new RT90Position(coordinates, RT90Position.RT90Projection.rt90_2_5_gon_v);
FastWebClient client = new FastWebClient();
client.DownloadStringCompleted += (s, e) => {
string xml = e.Result;
var stops = GetStops(xml);
callback(stops);
};
if (NetworkInterface.GetIsNetworkAvailable()) {
client.DownloadStringAsync(new Uri("http://vasttrafik.se/External_Services/TravelPlanner.asmx/GetStopListBasedOnCoordinate?identifier=ID&xCoord=" + rtPos.Latitude + "&yCoord=" + rtPos.Longitude));
} else {
callback(null);
}
}
