public Polygon(params IPoint[] shell)
{
Shell = shell;
Holes = new IEnumerable <IPoint> [0];
_ntsPolygon = new Lazy <NTSPolygon>(() => NTSConverter.FromEnvelope(Shell));
}
internal Polygon(NTSPolygon polygon)
{
Shell = NTSConverter.FromLinearRing(polygon.Shell);
Holes = polygon.Holes.Select(NTSConverter.FromLinearRing).ToArray();
_ntsPolygon = new Lazy <NTSPolygon>(() => polygon);
}
