Reducing B-Spline Continuity
One can duplicate control points
- no duplicates- C2, G2
- 1 duplicate- C2, G1
- 2 duplicates- C2, G0; linear segments
- 3 duplicates- C2, G0; more linearity
Or, can duplicate knots (generally better)
- no duplicates- C2, G2
- 1 duplicate- C1, G1
- 2 duplicates- C0, G0
- 3 duplicates- curve is discontinuous