Difference between revisions of "UK-Northern Ireland - OSNI-Open-Data"
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* '''Resolution:''' 10 m | * '''Resolution:''' 10 m | ||
* '''Data-type:''' [[:Category%3ADigital_Elevation_Models#What_type_of_elevation_model.3F_DEM.2C_DSM_and_DTM.3F|Digital Terrain Model (DTM)]] | * '''Data-type:''' [[:Category%3ADigital_Elevation_Models#What_type_of_elevation_model.3F_DEM.2C_DSM_and_DTM.3F|Digital Terrain Model (DTM)]] | ||
| − | * '''Coordinate system:''' | + | * '''Coordinate system:''' Irish (in original data) |
| − | * '''Version:''' Data downloaded in | + | * '''Version:''' Data downloaded in 2018 |
* '''Vertical Accuracy:''' | * '''Vertical Accuracy:''' | ||
** The DTM is created from stereo-imagery | ** The DTM is created from stereo-imagery | ||
Revision as of 11:02, 24 June 2020
Introduction
OSNI Open Data is a digital elevation dataset for Northern Ireland with a grid resolution of 10m.
Dataset Overview
- Spatial Coverage: UK - Northern Ireland
- Resolution: 10 m
- Data-type: Digital Terrain Model (DTM)
- Coordinate system: Irish (in original data)
- Version: Data downloaded in 2018
- Vertical Accuracy:
- 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
- Original data is available from the web-page of the Ordnance Survey Northern Ireland http://osni-spatial-ni.opendata.arcgis.com/
- More on the 10m Digital Terrain Model at nidirect - https://www.nidirect.gov.uk/articles/10m-digital-terrain-model-height-data