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Remarks:
Information source:
Revision date: 2020-03-14
Unit: kilometre
Geodetic CRS: Carthage (Paris)
Datum: Carthage (Paris)
Ellipsoid: Clarke 1880 (IGN)
Prime meridian: Paris
Data source: EPSG
Information source: OGP
Revision date: 2013-06-12
Scope: Minerals management (including oil and gas exploration and production).
Remarks: CAUTION: Carthage datum did not exist when the 1953 decree was issued and an inference is that grid should be applied to the Voirol 1875 geogCRS. Common practice assumes that the current Tunisian geodetic datum of Carthage applies.
Area of use: Tunisia - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: km.
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["Carthage (Paris) / Tunisia Mining Grid", BASEGEOGCRS["Carthage (Paris)", DATUM["Carthage (Paris)", ELLIPSOID["Clarke 1880 (IGN)",6378249.2,293.466021293627, LENGTHUNIT["metre",1]]], PRIMEM["Paris",2.5969213, ANGLEUNIT["grad",0.0157079632679489]], ID["EPSG",4816]], CONVERSION["Tunisia Mining Grid", METHOD["Tunisia Mining Grid", ID["EPSG",9816]], PARAMETER["Latitude of false origin",36.5964, ANGLEUNIT["grad",0.0157079632679489], ID["EPSG",8821]], PARAMETER["Longitude of false origin",7.83445, ANGLEUNIT["grad",0.0157079632679489], ID["EPSG",8822]], PARAMETER["Easting at false origin",270, LENGTHUNIT["kilometre",1000], ID["EPSG",8826]], PARAMETER["Northing at false origin",360, LENGTHUNIT["kilometre",1000], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["kilometre",1000]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["kilometre",1000]], ID["EPSG",22300]]], 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]]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "Carthage (Paris) / Tunisia Mining Grid", "base_crs": { "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 } }, "conversion": { "name": "Tunisia Mining Grid", "method": { "name": "Tunisia Mining Grid", "id": { "authority": "EPSG", "code": 9816 } }, "parameters": [ { "name": "Latitude of false origin", "value": 36.5964, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 }, "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": 7.83445, "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 }, "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Easting at false origin", "value": 270, "unit": { "type": "LinearUnit", "name": "kilometre", "conversion_factor": 1000 }, "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 360, "unit": { "type": "LinearUnit", "name": "kilometre", "conversion_factor": 1000 }, "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": { "type": "LinearUnit", "name": "kilometre", "conversion_factor": 1000 } }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": { "type": "LinearUnit", "name": "kilometre", "conversion_factor": 1000 } } ] }, "id": { "authority": "EPSG", "code": 22300 } }, "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)", "source_crs": { "type": "GeographicCRS", "name": "Carthage (Paris) (with Greenwich prime meridian)", "datum": { "type": "GeodeticReferenceFrame", "name": "Carthage (Paris) (with Greenwich prime meridian)", "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": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": { "type": "AngularUnit", "name": "grad", "conversion_factor": 0.0157079632679489 } } ] } }, "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 } } }
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