HydroNode

HydroNode features are added at the start and end of every WatercourseLink feature. They can represent the source of a watercourse, the end of a watercourse, a junction along a watercourse, or a change of real-world related attribution.

HydroNode

A feature at the end of one or more WatercourseLink features that indicates either the confluence or two or more watercourses and / or a change in the attribution of the WatercourseLink features.

Attribute naming across formats

Attribute names will vary slightly depending on what format you receive your data in (GML, Esri shapefile, GeoPackage or vector tiles). The attribute names on the feature type pages are written as they will appear in GML format. Attribute name mapping tables between GML and the other three formats for each feature type are present in the following pages:

• Esri shapefile overview

• GeoPackage overview

• Vector tiles overview

gml:id

Unique identifier. For HydroNode this is a GUID, which is not persistent.

• Attribute name: gml:id

• Type: CharacterString

• Length: 38

• Multiplicity: [1]

hydroNodeCategory «voidable»

Nature of the HydroNode.

• Attribute name: hydroNodeCategory

• Type: HydroNodeCategoryValue

• Multiplicity: [1]

geometry

The location of the HydroNode.

• Attribute name: geometry

• Type: GM_Point

• Multiplicity: [1]