Topic: Manufacturing
A cubic B-spline curve requires a minimum of ______ control points.
- A. 3
- B. 4
- C. 5
- D. 6
Answer: B. 4
Explanation: A B-spline curve of degree 'n' (cubic is degree 3) requires at least n+1 control points. Therefore, a cubic B-spline requires a minimum of 4 control points.