Collection of frequently used surfaces which are referenced by more than one object. ReferenceSurfaces has the following child elements:
| Child | Namespace | Type | Use | Cardinality | Choice | Description |
|---|---|---|---|---|---|---|
| Plane3D | ocx | ocx:Plane3D_T | opt. | [0, ∞] | True | Planar surface defined by origin and Normal direction. |
| SurfaceCollection | ocx | ocx:SurfaceCollection_T | req. | [1, ∞] | True | A collection of any number of surfces. The surfaces have to be connected (no dis-joint surfaces). Most typically the SurfaceCollection will include the outer shell geometry definition of the vessel. |