Description
This shows the location of each of our 50K tiles. The 50K Grid is published here for Open Data and can be used as a reference system for the download of the 50m DTM.
The OSNI Largescale grid is referenced to the Irish Grid, with all of Northern Ireland being covered by a grid of 17,335 tiles. Urban areas are covered by 1:1250 tiles and rural areas at 1:2500. Each 1:1250 tile covers an area of 0.6 km x 0.4 km and each 1:2500 tile covers an area of 1.2 km x 0.8 km.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| ArcGIS Open Dataset | HTML | Open resource | |
| CSV | CSV | Open resource | |
| GeoJSON | GeoJSON | Open resource | |
| KML | KML | Open resource | |
| Shapefile | ESRI Shape | Open resource | |
| Esri Rest API | JSON | Open resource | |
| OGC WMS | Unknown | Open resource |