degree (supplier to define representation)
EPSG
Administration du Cadastre et de la Topographie (ACT), https://act.public.lu
2022-01-03
Geodesy.
Ellipsoidal height approximates to NG95 gravity-related heights to within 5-15cm. For accurate heighting use compound CRS LUREF / Luxembourg TM + NG95 height (code 9897).
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["LUREF", DATUM["Luxembourg Reference Frame", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,3], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], AXIS["ellipsoidal height (h)",up, ORDER[3], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy."], AREA["Luxembourg."], BBOX[49.44,5.73,50.19,6.53]], ID["EPSG",9893]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "LUREF", "datum": { "type": "GeodeticReferenceFrame", "name": "Luxembourg Reference Frame", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" }, { "name": "Ellipsoidal height", "abbreviation": "h", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy.", "area": "Luxembourg.", "bbox": { "south_latitude": 49.44, "west_longitude": 5.73, "north_latitude": 50.19, "east_longitude": 6.53 }, "id": { "authority": "EPSG", "code": 9893 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=intl +no_defs +type=crs"> </Layer> </Map>