public NurbsData(List <Point2D> controlPoints, List <double> knots, int degree, bool closed)
{
Degree = degree;
Closed = closed;
int num = controlPoints.Count - 2;
Knots = new KnotCollection(this);
if (knots[0] <= knots[1] && knots[0] <= 0)
{
Closed = knots[0] < 0;
for (int i = degree; i < knots.Count - degree; i++)
{
Knots.Add(knots[i]);
}
}
else
{
Knots.AddRange(knots);
}
ControlPoints = new List <Point2D>(controlPoints);
}
