OSNI Largescale NI Outline: Northern Ireland Land Area Polygon

OSNI Largescale NI Outline is a polygon dataset representing the land area of Northern Ireland. The data was derived from OSNI Largescale sources, topologically cleansed, and attributed to create a seamless dataset. It is provided by the Government Digital Service under an Open Government Licence.

Use Cases

• Create base maps for Northern Ireland based on the seamless polygon boundary.
• Perform regional administrative analysis based on the derived and cleansed land area data.
• Integrate the outline as a mask or clipping layer for other geospatial analyses in Northern Ireland.

Strengths

• Data has been topologically cleansed to ensure geometric consistency.
• Dataset is attributed and described as seamless, suggesting ready-to-use integration.
• Available in multiple geospatial formats including ESRI SHAPE, GEOJSON, and KML.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Government Digital Service

Collection Method

Derived from OSNI Largescale data, then topologically cleansed and attributed.

Time Range

null

Freshness

null

Geography

Northern Ireland