Tool

NURBS Curve PWKD

Primitive Curves

Construct a NURBS curve from control points, weights, knots and degree

Docs for v2.1.18, the latest version.

ID

tool-primitive-curves-nurbs-curve-pwkd

Group

Primitive Curves

Plugin

Tool

Keywords

Non-uniform
rational
B-spline
crv

NURBS Curve PWKD

Primitive Curves

4 inputs, 1 output

Ports

Inputs

4

What the node takes in, from wires or typed values.

Point 1

Point

Point or Point array

Knots

Number

Default 2

NURBS knots

Weights

Number

Default 1

Optional control point weights

Degree

Number

Default 2

Degree curve

Outputs

1

What the node gives out, to wire into other nodes.

Curve

Curve

Resulting NURBS curve

Creation method#

There are two options for creating a NURBS Curve PWKD node.#

  • The first way to create a NURBS Curve node is using the search list, which is opened by double left-clicking in the workspace. You can write the name of the node you need or words associated with this node.
    • Non-uniform , rational , B-spline , crv
  • The second way is to select a NURBS Curve PWKD node from the menu that opens from the top left.
    • Menu > Tool > Primitive Curves > NURBS Curve PWKD

Steps#

  • Create a NURBS Curve PWKD node.
  • Connect an array of points or a point to the first port, this port has the function of adding ports to which you can connect other points.
  • Connect an array of point knots to second port.
  • Connect an array of point weights to the third port.
  • Connect the degree of the curve to the fourth port.

Connect an array of points or a point to the first port, this port has the function of adding ports to which you can connect other points. Connect to the second port an array of point knots and to the third port weights of these points. Connect the degree of the curve to the fourth port. On the output port, you will receive the resulting NURBS curve.

See also#

Interpolate
NURBS Curve

History

First documented in v2.1.18

Oct 20, 2026

Versions before it were published before changes were recorded.