IGNF:REUN49GAUSSL.REUN89

Attributes

Unit

metre

Scope

NATIONALE, HISTORIQUE

Remarks

None

Area of use

ILE DE LA REUNION - GAUSS LABORDE REUNION

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

Datum: Reunion 1947

Coordinate System: Undefined

Projection: Undefined

Geodetic CRS: Undefined

Export

COMPOUNDCRS["Reunion Piton des Neiges Gauss Laborde et IGN 1989 (REUNION)",
    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]]],
    VERTCRS["IGN 1989 (REUNION)",
        VDATUM["IGN 1989 (REUNION)"],
        CS[vertical,1],
            AXIS["gravity-related height (H)",up,
                LENGTHUNIT["metre",1]]],
    USAGE[
        SCOPE["NATIONALE, HISTORIQUE"],
        AREA["ILE DE LA REUNION - GAUSS LABORDE REUNION"],
        BBOX[-21.42,55.17,-20.76,55.92]],
    ID["IGNF","REUN49GAUSSL.REUN89"]]

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "CompoundCRS",
  "name": "Reunion Piton des Neiges Gauss Laborde et IGN 1989 (REUNION)",
  "components": [
    {
      "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"
          }
        ]
      }
    },
    {
      "type": "VerticalCRS",
      "name": "IGN 1989 (REUNION)",
      "datum": {
        "type": "VerticalReferenceFrame",
        "name": "IGN 1989 (REUNION)"
      },
      "coordinate_system": {
        "subtype": "vertical",
        "axis": [
          {
            "name": "Gravity-related height",
            "abbreviation": "H",
            "direction": "up",
            "unit": "metre"
          }
        ]
      }
    }
  ],
  "scope": "NATIONALE, 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.REUN89"
  }
}