OSNI®’s most accurate digital terrain model including breaklines. Available in DXF.
OSNI®’s most popular digital terrain model, providing height data on a 10m grid. Text file format. This product has been withdrawn from sale and is now available under Open Government Licence. Please visit https://www.opendatani.gov.uk/
The OSNI® entry level digital terrain model on a 50m grid. Available in txt format. This product has been withdrawn from sale and is now available under Open Government Licence. Please visit https://www.opendatani.gov.uk/
Ordnance Survey of Northern Ireland®, OSNI® and ACEmap® are registered trademarks of the Department of Finance