Compact definition of a point in 3D space composed of a sequence of three double values representing X, Y and Z coordinate values all of the same unit given by the unit ID. Point3D has the following attributes:
| Attribute | Namespace | Type | Use | Default | Fixed | Description |
|---|---|---|---|---|---|---|
| coordinates | ocx | ocx:doubleListType | req. | |||
| unit | ocx | xs:IDREF | req. |