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OSNI Open Data
OSNI Open Data is a digital elevation dataset for Northern Ireland with a grid resolution of 10m.


This dataset covers Northern Ireland.

Technical Details

  • The DTM is created from stereo-imagery
  • Vertical reference: Meters above mean sea level at Belfast Lough
  • Accuracy is stated to be 1.0m RMSE

Availability in WindPRO

The data is available from the WindPRO online services. The data can be accessed from the online-services in the following objects:

  • Elevation Grid Object

Licence and Acknowledgement

OSNI Open Data products are free to download, use and share subject to the "Open Government Licence" which is available here: http://osni-spatial-ni.opendata.arcgis.com/

External Links