/// <summary>
/// Uniform B-spline
/// </summary>
/// <param name="degree"></param>
/// <param name="numControlPoints"></param>
/// <returns></returns>
public static KnotSet CreateToUniform(int degree, int numControlPoints)
{
// knot length = degree + 1 + control points
// knot length = degree + order
var knots = new List <double>();
double[] normalizedKnots = null;
int order = degree + 1;
int knotCount = order + numControlPoints;
for (int i = 0; i < knotCount; i++)
{
if (i < order)
{
knots.Add(0);
}
else if (order <= i && i <= knotCount - order)
{
knots.Add(knots.Last() + 1);
}
else
{
knots.Add(knots.Last());
}
}
double max = knots.Last();
normalizedKnots = knots.Select(n => n / max).ToArray();
KnotSet knotSet = new KnotSet(normalizedKnots);
return(knotSet);
}
public object Clone()
{
KnotSet clone = (KnotSet)MemberwiseClone();
clone.knotVector = knotVector.ToArray();
return(clone);
}
