EPSG:4811 - Voirol 1875 (Paris)

Attributes

Unit

grad

Scope

Geodesy.

Remarks

None

Area of use

Algeria - onshore north of 32°N.

Data Source: EPSG v11.016 2024-08-31

Datum: Voirol 1875 (Paris)

Coordinate System: ellipsoidal

Projection: Undefined

Geodetic CRS: Undefined

Export

GEOGCRS["Voirol 1875 (Paris)",
    DATUM["Voirol 1875 (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]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Algeria - onshore north of 32°N."],
        BBOX[31.99,-2.95,37.14,9.09]],
    ID["EPSG",4811]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "Voirol 1875 (Paris)",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "Voirol 1875 (Paris)",
    "ellipsoid": {
      "name": "Clarke 1880 (IGN)",
      "semi_major_axis": 6378249.2,
      "semi_minor_axis": 6356515
    },
    "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
        }
      }
    ]
  },
  "scope": "Geodesy.",
  "area": "Algeria - onshore north of 32°N.",
  "bbox": {
    "south_latitude": 31.99,
    "west_longitude": -2.95,
    "north_latitude": 37.14,
    "east_longitude": 9.09
  },
  "id": {
    "authority": "EPSG",
    "code": 4811
  }
}
{'crs_wkt': 'GEOGCRS["Voirol 1875 (Paris)",DATUM["Voirol 1875 '
            '(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]],USAGE[SCOPE["Geodesy."],AREA["Algeria '
            '- onshore north of '
            '32°N."],BBOX[31.99,-2.95,37.14,9.09]],ID["EPSG",4811]]',
 'geographic_crs_name': 'Voirol 1875 (Paris)',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'Voirol 1875 (Paris)',
 'inverse_flattening': 293.4660212936269,
 'longitude_of_prime_meridian': 2.5969213,
 'prime_meridian_name': 'Paris',
 'reference_ellipsoid_name': 'Clarke 1880 (IGN)',
 'semi_major_axis': 6378249.2,
 'semi_minor_axis': 6356515.0}