IGNF:RGF93LAMB93.IGN69 - RGF93 Lambert 93 et NGF-IGN 1969

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  "type": "CompoundCRS",
  "name": "RGF93 Lambert 93 et NGF-IGN 1969",
  "components": [
    {
      "type": "ProjectedCRS",
      "name": "RGF93 Lambert 93",
      "base_crs": {
        "name": "RGF93 geographiques (dms)",
        "datum": {
          "type": "GeodeticReferenceFrame",
          "name": "Reseau Geodesique Francais 1993 v1",
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            "name": "GRS 1980",
            "semi_major_axis": 6378137,
            "inverse_flattening": 298.257222101
          }
        },
        "coordinate_system": {
          "subtype": "ellipsoidal",
          "axis": [
            {
              "name": "Geodetic longitude",
              "abbreviation": "Lon",
              "direction": "east",
              "unit": "degree"
            },
            {
              "name": "Geodetic latitude",
              "abbreviation": "Lat",
              "direction": "north",
              "unit": "degree"
            }
          ]
        },
        "id": {
          "authority": "IGNF",
          "code": "RGF93G"
        }
      },
      "conversion": {
        "name": "LAMBERT-93",
        "method": {
          "name": "Lambert Conic Conformal (2SP)",
          "id": {
            "authority": "EPSG",
            "code": 9802
          }
        },
        "parameters": [
          {
            "name": "Latitude of false origin",
            "value": 46.5,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8821
            }
          },
          {
            "name": "Longitude of false origin",
            "value": 3,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8822
            }
          },
          {
            "name": "Latitude of 1st standard parallel",
            "value": 44,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8823
            }
          },
          {
            "name": "Latitude of 2nd standard parallel",
            "value": 49,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8824
            }
          },
          {
            "name": "Easting at false origin",
            "value": 700000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8826
            }
          },
          {
            "name": "Northing at false origin",
            "value": 6600000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8827
            }
          }
        ]
      },
      "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
          {
            "name": "Easting",
            "abbreviation": "X",
            "direction": "east",
            "unit": "metre"
          },
          {
            "name": "Northing",
            "abbreviation": "Y",
            "direction": "north",
            "unit": "metre"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "NGF-IGN 1969",
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        "name": "NGF-IGN 1969"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "NATIONALE A CARACTERE LEGAL",
  "area": "FRANCE CONTINENTALE (CORSE EXCLUE)",
  "bbox": {
    "south_latitude": 42,
    "west_longitude": -5.5,
    "north_latitude": 51.5,
    "east_longitude": 8.5
  },
  "id": {
    "authority": "IGNF",
    "code": "RGF93LAMB93.IGN69"
  }
}

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 'horizontal_datum_name': 'Reseau Geodesique Francais 1993 v1',
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 'latitude_of_projection_origin': 46.5,
 'longitude_of_central_meridian': 3.0,
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