IGNF:REUN49GAUSSL - Reunion Piton des Neiges Gauss Laborde

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "Reunion Piton des Neiges Gauss Laborde",
  "base_crs": {
    "name": "Reunion Piton des Neiges geographiques (dms)",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "Reunion 1947",
      "ellipsoid": {
        "name": "International 1924",
        "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": "REUN49G"
    }
  },
  "conversion": {
    "name": "GAUSS LABORDE REUNION",
    "method": {
      "name": "Gauss Schreiber Transverse Mercator",
      "id": {
        "authority": "PROJ",
        "code": "gstm"
      }
    },
    "parameters": [
      {
        "name": "Latitude of natural origin",
        "value": -21.1166666666667,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8801
        }
      },
      {
        "name": "Longitude of natural origin",
        "value": 55.5333333333333,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8802
        }
      },
      {
        "name": "Scale factor at natural origin",
        "value": 1,
        "unit": "unity",
        "id": {
          "authority": "EPSG",
          "code": 8805
        }
      },
      {
        "name": "False easting",
        "value": 160000,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8806
        }
      },
      {
        "name": "False northing",
        "value": 50000,
        "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": "LOCALE, HISTORIQUE",
  "area": "ILE DE LA REUNION - GAUSS LABORDE REUNION",
  "bbox": {
    "south_latitude": -21.42,
    "west_longitude": 55.17,
    "north_latitude": -20.76,
    "east_longitude": 55.92
  },
  "id": {
    "authority": "IGNF",
    "code": "REUN49GAUSSL"
  }
}

{'crs_wkt': 'PROJCRS["Reunion Piton des Neiges Gauss '
            'Laborde",BASEGEOGCRS["Reunion Piton des Neiges geographiques '
            '(dms)",DATUM["Reunion 1947",ELLIPSOID["International '
            '1924",6378388,297,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["IGNF","REUN49G"]],CONVERSION["GAUSS '
            'LABORDE REUNION",METHOD["Gauss Schreiber Transverse '
            'Mercator",ID["PROJ","gstm"]],PARAMETER["Latitude of natural '
            'origin",-21.1166666666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",55.5333333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
            'factor at natural '
            'origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
            'easting",160000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",50000,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["LOCALE, '
            'HISTORIQUE"],AREA["ILE DE LA REUNION - GAUSS LABORDE '
            'REUNION"],BBOX[-21.42,55.17,-20.76,55.92]],ID["IGNF","REUN49GAUSSL"]]'}