Name: ED87 to WGS 84 (2)
Method: Position Vector transformation (geog2D domain)
Remarks: Parameter values taken from ED87 to ETRS89 (1) (tfm code 4078) assuming that ETRS89 is coincident with WGS 84 within the accuracy of the transformation. Used as a tfm between ED50 and WGS 84 - see code 3904.
Information source: OGP
Revision date: 2020-03-14
Unit: degree (supplier to define representation)
Geodetic CRS: ED87
Datum: European Datum 1987
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Revision date: 2004-01-06
Scope: Geodesy.
Area of use: Europe - west.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["ED87", DATUM["European_Datum_1987", SPHEROID["International 1924",6378388,297], TOWGS84[-83.11,-97.38,-117.22,0.0276,-0.2167,0.2147,0.1218]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4231"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["ED87", DATUM["European Datum 1987", ELLIPSOID["International 1924",6378388,297, 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["Europe - west."], BBOX[34.88,-10.56,84.73,38.01]], ID["EPSG",4231]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "ED87", "datum": { "type": "GeodeticReferenceFrame", "name": "European Datum 1987", "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" } ] }, "scope": "Geodesy.", "area": "Europe - west.", "bbox": { "south_latitude": 34.88, "west_longitude": -10.56, "north_latitude": 84.73, "east_longitude": 38.01 }, "id": { "authority": "EPSG", "code": 4231 } }
Definition: GeoServer
4231=GEOGCS["ED87",DATUM["European_Datum_1987",SPHEROID["International 1924",6378388,297],TOWGS84[-83.11,-97.38,-117.22,0.0276,-0.2167,0.2147,0.1218]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4231"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +towgs84=-83.11,-97.38,-117.22,0.0276,-0.2167,0.2147,0.1218 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=intl +towgs84=-83.11,-97.38,-117.22,0.0276,-0.2167,0.2147,0.1218 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4231, 'EPSG', 4231, '+proj=longlat +ellps=intl +towgs84=-83.11,-97.38,-117.22,0.0276,-0.2167,0.2147,0.1218 +no_defs +type=crs', 'GEOGCS["ED87",DATUM["European_Datum_1987",SPHEROID["International 1924",6378388,297],TOWGS84[-83.11,-97.38,-117.22,0.0276,-0.2167,0.2147,0.1218]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4231"]]');