EPSG
OGP
2012-11-24
Arctic small scale mapping - Norway-centred.
Polar Stereographic (variant A)
Northern hemisphere - north of 60°N onshore and offshore, including Arctic.
(0,)
Definition: OGC Well Known Text 2 (2019)
CONVERSION["EPSG Norway Polar Stereographic", METHOD["Polar Stereographic (variant A)", ID["EPSG",9810]], PARAMETER["Latitude of natural origin",90, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",18, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.994, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",2000000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",2000000, LENGTHUNIT["metre",1], ID["EPSG",8807]], ID["EPSG",5904]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "EPSG Norway Polar Stereographic", "method": { "name": "Polar Stereographic (variant A)", "id": { "authority": "EPSG", "code": 9810 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 90, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 18, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.994, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 2000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 2000000, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ], "id": { "authority": "EPSG", "code": 5904 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=stere +lat_0=90 +lon_0=18 +k=0.994 +x_0=2000000 +y_0=2000000"> <Layer srs="+proj=stere +lat_0=90 +lon_0=18 +k=0.994 +x_0=2000000 +y_0=2000000"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5904, 'EPSG', 5904, '+proj=stere +lat_0=90 +lon_0=18 +k=0.994 +x_0=2000000 +y_0=2000000', 'PROJECTION["Polar_Stereographic"],PARAMETER["latitude_of_origin",90],PARAMETER["central_meridian",18],PARAMETER["scale_factor",0.994],PARAMETER["false_easting",2000000],PARAMETER["false_northing",2000000]');