A NURBS control point composed of a weight and spatial position. ControlPoint has the following attributes:
| Attribute | Namespace | Type | Use | Default | Fixed | Description |
|---|---|---|---|---|---|---|
| weight | ocx | xs:double | opt. | 1 | The weight associated with the control point. The weight is 1.0 if not given (default). | |
| coordinates | ocx | ocx:doubleListType | req. | |||
| unit | ocx | xs:IDREF | req. |