Geocentric translations (geog2D domain)
Derived at Manoca tower assuming the pyramid on the tower and the centre of the tower reservoir are co-located. This assumption carries a few metres uncertainty.
Total
2020-03-14
degree (supplier to define representation)
EPSG
TotalFinaElf
2004-01-06
Geodesy.
Replaced by Manoca 1962 (code 4193).
Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Definition: OGC Well Known Text
GEOGCS["Douala 1948", DATUM["Douala_1948", SPHEROID["International 1924",6378388,297], TOWGS84[-206.1,-174.7,-87.7,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4192"]]
Definition: OGC Well Known Text 2 (2019)
GEOGCRS["Douala 1948", DATUM["Douala 1948", 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["Cameroon - coastal area."], BBOX[2.16,8.45,4.99,10.4]], ID["EPSG",4192]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "GeographicCRS", "name": "Douala 1948", "datum": { "type": "GeodeticReferenceFrame", "name": "Douala 1948", "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": "Cameroon - coastal area.", "bbox": { "south_latitude": 2.16, "west_longitude": 8.45, "north_latitude": 4.99, "east_longitude": 10.4 }, "id": { "authority": "EPSG", "code": 4192 } }
Definition: GeoServer
4192=GEOGCS["Douala 1948",DATUM["Douala_1948",SPHEROID["International 1924",6378388,297],TOWGS84[-206.1,-174.7,-87.7,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4192"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +towgs84=-206.1,-174.7,-87.7,0,0,0,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=intl +towgs84=-206.1,-174.7,-87.7,0,0,0,0 +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4192, 'EPSG', 4192, '+proj=longlat +ellps=intl +towgs84=-206.1,-174.7,-87.7,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Douala 1948",DATUM["Douala_1948",SPHEROID["International 1924",6378388,297],TOWGS84[-206.1,-174.7,-87.7,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4192"]]');