IGNF:RGNCLAMBNC.MARE91 - RGNC Lambert Nouvelle-Caledonie et NIVELLEMENT GENERAL DE MARE (IGN 1991 MR)

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "RGNC Lambert Nouvelle-Caledonie et NIVELLEMENT GENERAL DE MARE (IGN 1991 MR)",
  "components": [
    {
      "type": "ProjectedCRS",
      "name": "RGNC Lambert Nouvelle-Caledonie",
      "base_crs": {
        "name": "RGNC geographiques (dms)",
        "datum": {
          "type": "GeodeticReferenceFrame",
          "name": "Reseau Geodesique Nouvelle Caledonie 1991",
          "ellipsoid": {
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            "semi_major_axis": 6378388,
            "inverse_flattening": 297
          }
        },
        "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": "RGNCG"
        }
      },
      "conversion": {
        "name": "LAMBERT NOUVELLE-CALEDONIE",
        "method": {
          "name": "Lambert Conic Conformal (2SP)",
          "id": {
            "authority": "EPSG",
            "code": 9802
          }
        },
        "parameters": [
          {
            "name": "Latitude of false origin",
            "value": -21.5,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8821
            }
          },
          {
            "name": "Longitude of false origin",
            "value": 166,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8822
            }
          },
          {
            "name": "Latitude of 1st standard parallel",
            "value": -20.6666666666667,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8823
            }
          },
          {
            "name": "Latitude of 2nd standard parallel",
            "value": -22.3333333333333,
            "unit": "degree",
            "id": {
              "authority": "EPSG",
              "code": 8824
            }
          },
          {
            "name": "Easting at false origin",
            "value": 400000,
            "unit": "metre",
            "id": {
              "authority": "EPSG",
              "code": 8826
            }
          },
          {
            "name": "Northing at false origin",
            "value": 300000,
            "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": "NIVELLEMENT GENERAL DE MARE (IGN 1991 MR)",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "NIVELLEMENT GENERAL DE MARE (IGN 1991 MR)"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "LOCALE A CARACTERE LEGAL",
  "area": "MARE (ILES LOYAUTE)",
  "bbox": {
    "south_latitude": -21.69,
    "west_longitude": 167.69,
    "north_latitude": -21.29,
    "east_longitude": 168.18
  },
  "id": {
    "authority": "IGNF",
    "code": "RGNCLAMBNC.MARE91"
  }
}

{'crs_wkt': 'COMPOUNDCRS["RGNC Lambert Nouvelle-Caledonie et NIVELLEMENT '
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 'false_easting': 400000.0,
 'false_northing': 300000.0,
 'geographic_crs_name': 'RGNC geographiques (dms)',
 'geopotential_datum_name': 'NIVELLEMENT GENERAL DE MARE (IGN 1991 MR)',
 'grid_mapping_name': 'lambert_conformal_conic',
 'horizontal_datum_name': 'Reseau Geodesique Nouvelle Caledonie 1991',
 'inverse_flattening': 297.0,
 'latitude_of_projection_origin': -21.5,
 'longitude_of_central_meridian': 166.0,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'projected_crs_name': 'RGNC Lambert Nouvelle-Caledonie',
 'reference_ellipsoid_name': 'International 1924',
 'semi_major_axis': 6378388.0,
 'semi_minor_axis': 6356911.9461279465,
 'standard_parallel': (-20.6666666666667, -22.3333333333333)}