New Curve on Surface Options

Curve Degree

The mathematical degree of the curve created, which control the number of CVs per span: 1 (linear) or 3 (cubic). The default is 3.

Knot Spacing

A “knot” is the parameter value of an edit point.

Chord – The chord length parameterizes the new curve edit points in current units.

Uniform – The new curve edit points have integral parameters: the first edit point is parameter 0.0, the second is 1.0, and so on.