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NURBS Curve Playground

Non-Uniform Rational B-Spline with interactive knot vector & weights

Curve Settings

Degree: 3

Knot Type

Curve Samples: 100

Control Points

Knot Vector

[0, 0, 0, 0, 1, 2, 3, 3, 3, 3]

Visualization

Control Polygon

Basis Functions

Knot Positions on Curve

NURBS (Non-Uniform Rational B-Spline) curves are defined by:

• Control Points: Click & drag to move

• Weights: Higher = curve pulled closer

• Knot Vector: Determines where/how control points affect curve

• Degree: Polynomial order (higher = smoother)

NURBS Curve

Control Points

Control Polygon

Knot Positions

Points: 6 | Degree: 3 | Knots: 10