WatercourseInteraction

This feature type is not currently populated in this release of OS MasterMap Water Network Layer.

A feature that allows the supply of additional information related to the network in addition to the attribution and geometry of WatercourseLink features. For example, where a watercourse passes under a bridge or over a weir.

WatercourseInteraction

A feature that describes an event along a watercourse related to the water network that cannot be indicated by the attribution or geometry of the WatercourseLink or HydroNode feature(s).

• Subtype of: NetworkProperty

reasonForChange

Reason for the current version to be created.

• Attribute name: reasonForChange

• Type: ReasonForChangeValue

• Multiplicity: [1]

watercourseInteractionCategory

Not currently populated in OS MasterMap Water Network Layer.

• Attribute name: watercourseInteractionCategory

• Type: HydroNodeCategoryValue

• Multiplicity: [1]

Interactions can be either PointReference (for interactions less than 2m in length) or LinearReference (for interactions more than 2m in length). These record the position along a specified WatercourseLink for a point interaction, or the start and end position along one or more links for a linear interaction.

Interactions can be recorded with an offset indicating which side of the WatercourseLink the interaction is and a distance.