/// <summary>
/// Creates a GeoJson Polygon object.
/// </summary>
/// <typeparam name="TCoordinates">The type of the coordinates.</typeparam>
/// <param name="positions">The positions.</param>
/// <returns>A GeoJson Polygon object.</returns>
public static GeoJsonPolygon <TCoordinates> Polygon <TCoordinates>(params TCoordinates[] positions) where TCoordinates : GeoJsonCoordinates
{
var exterior = new GeoJsonLinearRingCoordinates <TCoordinates>(positions);
var coordinates = new GeoJsonPolygonCoordinates <TCoordinates>(exterior);
return(new GeoJsonPolygon <TCoordinates>(coordinates));
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoJsonPolygonCoordinates{TCoordinates}"/> class.
/// </summary>
/// <param name="exterior">The exterior.</param>
/// <param name="holes">The holes.</param>
public GeoJsonPolygonCoordinates(GeoJsonLinearRingCoordinates <TCoordinates> exterior, IEnumerable <GeoJsonLinearRingCoordinates <TCoordinates> > holes)
{
if (exterior == null)
{
throw new ArgumentNullException("exterior");
}
if (holes == null)
{
throw new ArgumentNullException("holes");
}
var holesArray = holes.ToArray();
if (holesArray.Contains(null))
{
throw new ArgumentException("One of the holes is null.", "holes");
}
_exterior = exterior;
_holes = new ReadOnlyCollection <GeoJsonLinearRingCoordinates <TCoordinates> >(holesArray);
}
// constructors
/// <summary>
/// Initializes a new instance of the <see cref="GeoJsonPolygonCoordinates{TCoordinates}"/> class.
/// </summary>
/// <param name="exterior">The exterior.</param>
public GeoJsonPolygonCoordinates(GeoJsonLinearRingCoordinates <TCoordinates> exterior)
: this(exterior, new GeoJsonLinearRingCoordinates <TCoordinates> [0])
{
}
/// <summary>
/// Creates the coordinates of a GeoJson Polygon object.
/// </summary>
/// <typeparam name="TCoordinates">The type of the coordinates.</typeparam>
/// <param name="exterior">The exterior.</param>
/// <param name="holes">The holes.</param>
/// <returns>The coordinates of a GeoJson Polygon object.</returns>
public static GeoJsonPolygonCoordinates <TCoordinates> PolygonCoordinates <TCoordinates>(GeoJsonLinearRingCoordinates <TCoordinates> exterior, params GeoJsonLinearRingCoordinates <TCoordinates>[] holes) where TCoordinates : GeoJsonCoordinates
{
return(new GeoJsonPolygonCoordinates <TCoordinates>(exterior, holes));
}
