Local U deirection in a local coordinate system. UDirection has the following attributes:
| Attribute | Namespace | Type | Use | Default | Fixed | Description |
|---|---|---|---|---|---|---|
| x | ocx | xs:double | req. | Numeric value of x component. | ||
| y | ocx | xs:double | req. | Numeric value of y component. | ||
| z | ocx | xs:double | req. | Numeric value of z component. |