EPSG
J. Danielsen; "Transformasjoner ved Norges Geografiske Oppmåling"; Kart Og Plan nr 1; 1982.
2003-01-16
Cadastre, engineering survey, topographic mapping (large and medium scale).
Longitude is referenced to the Oslo meridian.
Norway - between 1°15'E and 4°20'E of Oslo (11°58'22.5"E and 15°03'22.5"E of Greenwich).
(0,)
Definition: OGC Well Known Text 2 (2019)
CONVERSION["NGO zone IV", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",58, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",2.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",0, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]], ID["EPSG",18224]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "NGO zone IV", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 58, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 2.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ], "id": { "authority": "EPSG", "code": 18224 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=58 +lon_0=2.5 +k=1 +x_0=0 +y_0=0"> <Layer srs="+proj=tmerc +lat_0=58 +lon_0=2.5 +k=1 +x_0=0 +y_0=0"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 18224, 'EPSG', 18224, '+proj=tmerc +lat_0=58 +lon_0=2.5 +k=1 +x_0=0 +y_0=0', 'PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",58],PARAMETER["central_meridian",2.5],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0]');