|
| Name | exterior |
|---|---|
| Type | gml:AbstractRingPropertyType |
| Nillable | no |
| Abstract | no |
| Documentation | A boundary of a surface consists of a number of rings. In the normal 2D case, one of these rings is distinguished as being the exterior boundary. In a general manifold this is not always possible, in which case all boundaries shall be listed as interior boundaries, and the exterior will be empty. |