J. Danielsen; "Transformasjoner ved Norges Geografiske Oppmåling"; Kart Og Plan nr 1; 1982.
1999-11-12
degree (supplier to define representation)
EPSG
2004-01-06
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ GEOGCRS["NGO 1948 (Oslo)", DATUM["NGO 1948 (Oslo)", ELLIPSOID["Bessel Modified",6377492.018,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Oslo",10.7229166666667, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Geodesy."], AREA["Norway - onshore."], BBOX[57.9,4.39,71.24,31.32]], ID["EPSG",4817]]], TARGETCRS[ GEOGCRS["NGO 1948", DATUM["NGO 1948", ELLIPSOID["Bessel Modified",6377492.018,299.1528128, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], USAGE[ SCOPE["Geodesy."], AREA["Norway - onshore."], BBOX[57.9,4.39,71.24,31.32]], ID["EPSG",4273]]], ABRIDGEDTRANSFORMATION["NGO 1948 (Oslo) to NGO1948 (Greenwich)", METHOD["Longitude rotation", ID["EPSG",9601]], PARAMETER["Longitude offset",38602.5000000001, ID["EPSG",8602]], USAGE[ SCOPE["Change of prime meridian."], AREA["Norway - onshore."], BBOX[57.9,4.39,71.24,31.32]], ID["EPSG",1466]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "NGO 1948 (Oslo)", "datum": { "type": "GeodeticReferenceFrame", "name": "NGO 1948 (Oslo)", "ellipsoid": { "name": "Bessel Modified", "semi_major_axis": 6377492.018, "inverse_flattening": 299.1528128 }, "prime_meridian": { "name": "Oslo", "longitude": 10.7229166666667 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4817 } }, "target_crs": { "type": "GeographicCRS", "name": "NGO 1948", "datum": { "type": "GeodeticReferenceFrame", "name": "NGO 1948", "ellipsoid": { "name": "Bessel Modified", "semi_major_axis": 6377492.018, "inverse_flattening": 299.1528128 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4273 } }, "transformation": { "name": "NGO 1948 (Oslo) to NGO1948 (Greenwich)", "method": { "name": "Longitude rotation", "id": { "authority": "EPSG", "code": 9601 } }, "parameters": [ { "name": "Longitude offset", "value": 10.7229166666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8602 } } ], "id": { "authority": "EPSG", "code": 1466 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +a=6377492.018 +rf=299.1528128 +pm=oslo +no_defs +type=crs"> <Layer srs="+proj=longlat +a=6377492.018 +rf=299.1528128 +pm=oslo +no_defs +type=crs"> </Layer> </Map>