Taken from ED50 to WGS 84 (14) (code 8046). In 1998 agreed that within the accuracy of that transformation WGS 84 equates to ETRS89 and the transformation would relate ED50 to ETRS89.
Statens Kartverk.
2020-03-14
Cadastre, topographic mapping (large scale).
Also found with truncated false easting - see ED50 / TM36 (code 2322).
Türkiye (Turkey) - between 34°30'E and 37°30'E, onshore.
Cartesian 2D CS. Axes: northing, easting (X,Y). Orientations: north, east. UoM: m.
10512687.07 6767692.24
9692712.45 5962970.25
11207697.2 7564530.15
-5.05 51.03
10.86 62.01
Definition: OGC Well Known Text
PROJCS["ED50 / 3-degree Gauss-Kruger zone 12", GEOGCS["ED50", DATUM["European_Datum_1950", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], AUTHORITY["EPSG","6230"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4230"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",36], PARAMETER["scale_factor",1], PARAMETER["false_easting",12500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AUTHORITY["EPSG","2209"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["ED50 / 3-degree Gauss-Kruger zone 12", BASEGEOGCRS["ED50", DATUM["European Datum 1950", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4230]], CONVERSION["3-degree Gauss-Kruger zone 12", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",36, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",12500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["northing (X)",north, ORDER[1], LENGTHUNIT["metre",1]], AXIS["easting (Y)",east, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Cadastre, topographic mapping (large scale)."], AREA["Türkiye (Turkey) - between 34°30'E and 37°30'E, onshore."], BBOX[35.81,34.5,42.15,37.5]], ID["EPSG",2209]]
Definition: ESRI Well Known Text
PROJCS["ED_1950_3_Degree_GK_Zone_12", GEOGCS["GCS_European_1950", DATUM["D_European_1950", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Gauss_Kruger"], PARAMETER["False_Easting",12500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",36.0], PARAMETER["Scale_Factor",1.0], PARAMETER["Latitude_Of_Origin",0.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "ED50 / 3-degree Gauss-Kruger zone 12", "base_crs": { "name": "ED50", "datum": { "type": "GeodeticReferenceFrame", "name": "European Datum 1950", "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" } ] }, "id": { "authority": "EPSG", "code": 4230 } }, "conversion": { "name": "3-degree Gauss-Kruger zone 12", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 0, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 36, "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": 12500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Northing", "abbreviation": "X", "direction": "north", "unit": "metre" }, { "name": "Easting", "abbreviation": "Y", "direction": "east", "unit": "metre" } ] }, "scope": "Cadastre, topographic mapping (large scale).", "area": "Türkiye (Turkey) - between 34°30'E and 37°30'E, onshore.", "bbox": { "south_latitude": 35.81, "west_longitude": 34.5, "north_latitude": 42.15, "east_longitude": 37.5 }, "id": { "authority": "EPSG", "code": 2209 } }
Definition: GeoServer
2209=PROJCS["ED50 / 3-degree Gauss-Kruger zone 12",GEOGCS["ED50",DATUM["European_Datum_1950",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6230"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4230"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",36],PARAMETER["scale_factor",1],PARAMETER["false_easting",12500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2209"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=0 +lon_0=36 +k=1 +x_0=12500000 +y_0=0 +ellps=intl +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=0 +lon_0=36 +k=1 +x_0=12500000 +y_0=0 +ellps=intl +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 2209, 'EPSG', 2209, '+proj=tmerc +lat_0=0 +lon_0=36 +k=1 +x_0=12500000 +y_0=0 +ellps=intl +units=m +no_defs +type=crs', 'PROJCS["ED50 / 3-degree Gauss-Kruger zone 12",GEOGCS["ED50",DATUM["European_Datum_1950",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6230"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4230"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",36],PARAMETER["scale_factor",1],PARAMETER["false_easting",12500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","2209"]]');