Unit: metre
Geodetic CRS: Malin Head height
Datum: Malin Head
Data source: EPSG
Information source: Ordnance Survey of Ireland.
Revision date: 2008-03-14
Scope: Topographic mapping.
Remarks: Topographic mapping at all scales in Republic and medium and small scales in Northern Ireland. Belfast Lough height (CRS code 5732) used for large scale topographic mapping in Northern Ireland.
Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.
Coordinate system: Vertical CS. Axis: height (H). Orientation: up. UoM: m.
Center coordinates
53.41 -7.95
Projected bounds:
51.39 -10.56
55.43 -5.34
WGS84 bounds:
-10.56 51.39
-5.34 55.43
Definition: OGC Well Known Text
VERT_CS["Malin Head height", VERT_DATUM["Malin Head",2005, AUTHORITY["EPSG","5130"]], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Gravity-related height",UP], AUTHORITY["EPSG","5731"]]
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Malin Head height", VDATUM["Malin Head"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Topographic mapping."], AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."], BBOX[51.39,-10.56,55.43,-5.34]], ID["EPSG",5731]]
Definition: ESRI Well Known Text
VERTCS["Malin_Head", VDATUM["Malin_Head"], PARAMETER["Vertical_Shift",0.0], PARAMETER["Direction",1.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json", "type": "VerticalCRS", "name": "Malin Head height", "datum": { "type": "VerticalReferenceFrame", "name": "Malin Head" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Topographic mapping.", "area": "Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.", "bbox": { "south_latitude": 51.39, "west_longitude": -10.56, "north_latitude": 55.43, "east_longitude": -5.34 }, "id": { "authority": "EPSG", "code": 5731 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+vunits=m +no_defs +type=crs"> <Layer srs="+vunits=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5731, 'EPSG', 5731, '+vunits=m +no_defs +type=crs', 'VERT_CS["Malin Head height",VERT_DATUM["Malin Head",2005,AUTHORITY["EPSG","5130"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5731"]]');