The definition of a reference grid in the Vessel Y-direction. The authoring application must export ALL the RefPlane positions. If more than one YRefPlanes definition is exported, the authoring application shall identify the main reference system by setting the isMainSytem=true. YRefPlanes has the following child elements:
| Child | Namespace | Type | Use | Cardinality | Choice | Description |
|---|---|---|---|---|---|---|
| Origin | ocx | ocx:Point3D_T | opt. | [0, 1] | False | The origin of a local or global coordinate system. If not given, it is assumed thet the origin of the reference system at the global origin (0,0,0). |
| RefPlane | ocx | ocx:RefPlane_T | req. | [1, ∞] | False | A reference plane used to define unbounded planar geometry. |
YRefPlanes has the following attributes:
| Attribute | Namespace | Type | Use | Default | Fixed | Description |
|---|---|---|---|---|---|---|
| isMainSystem | ocx | xs:boolean | opt. | true | True if this is the main reference system definition. |