public static Polyline2D FromCurve(Rhino.Geometry.Curve curve, Plane plane)
{
Polyline polyline;
if (!curve.TryGetPolyline(out polyline))
{
return(null);
}
var points = polyline.Select(o => o.Map2D(plane));
if (curve.ClosedCurveOrientation(plane.ZAxis) == CurveOrientation.Clockwise)
{
points = points.Reverse();
}
var result = new Polyline2D(points)
{
Closed = curve.IsClosed
};
return(result);
}