Unit: grad
Geodetic CRS: Carthage (Paris)
Datum: Carthage (Paris)
Ellipsoid: Clarke 1880 (IGN)
Prime meridian: Paris
Data source: EPSG
Revision date: 2004-01-06
Scope: Geodesy.
Remarks: Replaced by Greenwich-based Carthage geogCRS.
Area of use: Tunisia - onshore.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: grads.
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "GeographicCRS", "name": "Carthage (Paris)", "datum": { "type": "GeodeticReferenceFrame", "name": "Carthage (Paris)", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "inverse_flattening": 293.466021293627 }, "prime_meridian": { "name": "Paris", "longitude": { "value": 2.5969213, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } ] }, "id": { "authority": "EPSG", "code": 4816 } }, "target_crs": { "type": "GeographicCRS", "name": "Carthage", "datum": { "type": "GeodeticReferenceFrame", "name": "Carthage", "ellipsoid": { "name": "Clarke 1880 (IGN)", "semi_major_axis": 6378249.2, "inverse_flattening": 293.466021293627 } }, "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": 4223 } }, "transformation": { "name": "Carthage (Paris) to Carthage (1)", "method": { "name": "Longitude rotation", "id": { "authority": "EPSG", "code": 9601 } }, "parameters": [ { "name": "Longitude offset", "value": 8414.02501199997, "unit": { "type": "Unit", "name": "", "conversion_factor": 1 }, "id": { "authority": "EPSG", "code": 8602 } } ], "id": { "authority": "EPSG", "code": 1881 } } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=clrk80ign +pm=paris +towgs84=-263,6,431,0,0,0,0 +no_defs +type=crs"> <Layer srs="+proj=longlat +ellps=clrk80ign +pm=paris +towgs84=-263,6,431,0,0,0,0 +no_defs +type=crs"> </Layer> </Map>
Definition: OGC WKT 2 (2019)
BOUNDCRS[SOURCECRS[GEOGCRS["Carthage (Paris)",DATUM["Carthage (Paris)",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,LENGTHUNIT["metre",1]]],PRIMEM["Paris",2.5969213,ANGLEUNIT["grad",0.0157079632679489]],CS[ellipsoidal,2],AXIS["geodetic latitude (Lat)",north,ORDER[1],ANGLEUNIT["grad",0.0157079632679489]],AXIS["geodetic longitude (Lon)",east,ORDER[2],ANGLEUNIT["grad",0.0157079632679489]],ID["EPSG",4816]]],TARGETCRS[GEOGCRS["Carthage",DATUM["Carthage",ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627,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]],ID["EPSG",4223]]],ABRIDGEDTRANSFORMATION["Carthage (Paris) to Carthage (1)",METHOD["Longitude rotation",ID["EPSG",9601]],PARAMETER["Longitude offset",8414.02501199997,ID["EPSG",8602]],ID["EPSG",1881]]]