IGNF:ATIGBONNE - ATIG Bonne France Etat Major

Attributes

Unit

metre

Scope

NATIONALE, HISTORIQUE

Remarks

None

Area of use

FRANCE METROPOLITAINE (CORSE COMPRISE)

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

Datum: Ancienne Triangulation Francaise (Paris)

Coordinate System: cartesian

Projection: BONNE FRANCE - ETAT MAJOR

Geodetic CRS: ATIG geographiques grades Paris (gr)

Export

PROJCRS["ATIG Bonne France Etat Major",
    BASEGEOGCRS["ATIG geographiques grades Paris (gr)",
        DATUM["Ancienne Triangulation Francaise (Paris)",
            ELLIPSOID["Plessis 1817",6376523,308.64,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Paris RGS",2.33720833333333,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["IGNF","ATIGG"]],
    CONVERSION["BONNE FRANCE - ETAT MAJOR",
        METHOD["Bonne",
            ID["EPSG",9827]],
        PARAMETER["Latitude of natural origin",50,
            ANGLEUNIT["grad",0.0157079632679489],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",0,
            ANGLEUNIT["grad",0.0157079632679489],
            ID["EPSG",8802]],
        PARAMETER["False easting",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["easting (X)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["northing (Y)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["NATIONALE, HISTORIQUE"],
        AREA["FRANCE METROPOLITAINE (CORSE COMPRISE)"],
        BBOX[41,-5.5,52,10]],
    ID["IGNF","ATIGBONNE"]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "ATIG Bonne France Etat Major",
  "base_crs": {
    "name": "ATIG geographiques grades Paris (gr)",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "Ancienne Triangulation Francaise (Paris)",
      "ellipsoid": {
        "name": "Plessis 1817",
        "semi_major_axis": 6376523,
        "inverse_flattening": 308.64
      },
      "prime_meridian": {
        "name": "Paris RGS",
        "longitude": 2.33720833333333
      }
    },
    "coordinate_system": {
      "subtype": "ellipsoidal",
      "axis": [
        {
          "name": "Geodetic longitude",
          "abbreviation": "Lon",
          "direction": "east",
          "unit": {
            "type": "AngularUnit",
            "name": "grad",
            "conversion_factor": 0.0157079632679489
          }
        },
        {
          "name": "Geodetic latitude",
          "abbreviation": "Lat",
          "direction": "north",
          "unit": {
            "type": "AngularUnit",
            "name": "grad",
            "conversion_factor": 0.0157079632679489
          }
        }
      ]
    },
    "id": {
      "authority": "IGNF",
      "code": "ATIGG"
    }
  },
  "conversion": {
    "name": "BONNE FRANCE - ETAT MAJOR",
    "method": {
      "name": "Bonne",
      "id": {
        "authority": "EPSG",
        "code": 9827
      }
    },
    "parameters": [
      {
        "name": "Latitude of natural origin",
        "value": 50,
        "unit": {
          "type": "AngularUnit",
          "name": "grad",
          "conversion_factor": 0.0157079632679489
        },
        "id": {
          "authority": "EPSG",
          "code": 8801
        }
      },
      {
        "name": "Longitude of natural origin",
        "value": 0,
        "unit": {
          "type": "AngularUnit",
          "name": "grad",
          "conversion_factor": 0.0157079632679489
        },
        "id": {
          "authority": "EPSG",
          "code": 8802
        }
      },
      {
        "name": "False easting",
        "value": 0,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": 0,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8807
        }
      }
    ]
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Easting",
        "abbreviation": "X",
        "direction": "east",
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "Y",
        "direction": "north",
        "unit": "metre"
      }
    ]
  },
  "scope": "NATIONALE, HISTORIQUE",
  "area": "FRANCE METROPOLITAINE (CORSE COMPRISE)",
  "bbox": {
    "south_latitude": 41,
    "west_longitude": -5.5,
    "north_latitude": 52,
    "east_longitude": 10
  },
  "id": {
    "authority": "IGNF",
    "code": "ATIGBONNE"
  }
}
{'crs_wkt': 'PROJCRS["ATIG Bonne France Etat Major",BASEGEOGCRS["ATIG '
            'geographiques grades Paris (gr)",DATUM["Ancienne Triangulation '
            'Francaise (Paris)",ELLIPSOID["Plessis '
            '1817",6376523,308.64,LENGTHUNIT["metre",1]]],PRIMEM["Paris '
            'RGS",2.33720833333333,ANGLEUNIT["degree",0.0174532925199433]],ID["IGNF","ATIGG"]],CONVERSION["BONNE '
            'FRANCE - ETAT '
            'MAJOR",METHOD["Bonne",ID["EPSG",9827]],PARAMETER["Latitude of '
            'natural '
            'origin",50,ANGLEUNIT["grad",0.0157079632679489],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",0,ANGLEUNIT["grad",0.0157079632679489],ID["EPSG",8802]],PARAMETER["False '
            'easting",0,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting '
            '(X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
            '(Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["NATIONALE, '
            'HISTORIQUE"],AREA["FRANCE METROPOLITAINE (CORSE '
            'COMPRISE)"],BBOX[41,-5.5,52,10]],ID["IGNF","ATIGBONNE"]]'}