/// <summary>
/// Creates a new instance of GlobalPosition for a position on the surface of
/// the reference ellipsoid.
/// </summary>
/// <param name="coordinates">The coordinates.</param>
public GlobalPosition(GlobalCoordinates coordinates)
: this(coordinates, 0.0)
{
}
/// <summary>
/// Creates a new instance of GlobalPosition.
/// </summary>
/// <param name="coordinates">coordinates on the reference ellipsoid.</param>
/// <param name="elevation">elevation, in meters, above the reference ellipsoid.</param>
public GlobalPosition(GlobalCoordinates coordinates, double elevation)
{
Coordinates = coordinates;
Elevation = elevation;
}
/// <summary>
/// Convert coordinates to an XY position on a Mercator map
/// </summary>
/// <param name="coordinates">The coordinates on the globe</param>
/// <returns>An array of two doubles, the first is X, the second Y</returns>
public double[] GlobalCoordinatesToXy(GlobalCoordinates coordinates)
{
var e = ToEuclidian(coordinates);
return(new[] { e.X, e.Y });
}
/// <summary>
/// Get the globally unique Mesh number of a location given by
/// latitude and longitude.
/// </summary>
/// <param name="coord">The location to convert</param>
/// <returns>The mesh number to which the location belongs</returns>
public long MeshNumber(GlobalCoordinates coord)
{
return(MeshNumber((UtmCoordinate)Projection.ToEuclidian(coord)));
}
/// <summary>
/// Get the Mercator scale factor for the given point
/// </summary>
/// <param name="point">The point</param>
/// <returns>The scale factor</returns>
public override double ScaleFactor(GlobalCoordinates point)
{
return(ScaleFactor(point.Latitude.Degrees));
}