| Name | Data Type | Order | Definition | ||
|---|---|---|---|---|---|
| bearing | NonNegativeInteger | 0 | A bearing at the point measured in degrees (0 - 359). Unless otherwise specified the reference direction corresponding to 0 degrees is North. | 
| Multiplicity | From | Role | Role description | Association | Multiplicity | To | Role | Role description | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | PointCoordinates | related to | 1 | PointByCoordinates | |||||
| 0..1 | PointByCoordinates | related to | 1 | Point |