public static bool IsMember(this Polygon2d poly, Segment2d seg, out bool IsOutside)
{
IsOutside = true;
if (poly.Vertices.Contains(seg.P0) && poly.Vertices.Contains(seg.P1))
{
if (poly.BiContains(seg))
{
IsOutside = false;
}
return(true);
}
return(false);
}