EPSG:4557

RRAF 1991

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: RRAF 1991

Datum: Reseau de Reference des Antilles Francaises 1991

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: IGN Paris

Revision date: 2011-05-09

Scope: Geodesy.

Remarks: Replaces older local 2D systems Fort Marigot and Sainte Anne CRS (codes 4621-22) in Guadeloupe and Fort Desaix (CRS code 4625) in Martinique. Replaced by RGAF09 (CRS code 5488).

Area of use: French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.

Coordinate system: Ellipsoidal 3D CS. Axes: latitude, longitude, ellipsoidal height. Orientations: north, east, up. UoM: degree, degree, metre.

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SimpleMap

Center coordinates
-60.59 16.3

Projected bounds:
-63.66 14.08
-57.52 18.53

WGS84 bounds:
-63.66 14.08
-57.52 18.53

French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.
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Definition: OGC Well Known Text 2 (2019)

GEOGCRS["RRAF 1991",
    DATUM["Reseau de Reference des Antilles Francaises 1991",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,3],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["ellipsoidal height (h)",up,
            ORDER[3],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin."],
        BBOX[14.08,-63.66,18.53,-57.52]],
    ID["EPSG",4557]]

Definition: ESRI Well Known Text

GEOGCS["RRAF_1991_3D",
    DATUM["D_RRAF_1991",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433],
    LINUNIT["Meter",1.0]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4557","+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "RRAF 1991",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Reseau de Reference des Antilles Francaises 1991",
        "ellipsoid": {
            "name": "GRS 1980",
            "semi_major_axis": 6378137,
            "inverse_flattening": 298.257222101
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            },
            {
                "name": "Ellipsoidal height",
                "abbreviation": "h",
                "direction": "up",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "French Antilles onshore and offshore - Guadeloupe (including Grande Terre, Basse Terre, Marie Galante, Les Saintes, Iles de la Petite Terre, La Desirade); Martinique; St Barthélemy; St Martin.",
    "bbox": {
        "south_latitude": 14.08,
        "west_longitude": -63.66,
        "north_latitude": 18.53,
        "east_longitude": -57.52
    },
    "id": {
        "authority": "EPSG",
        "code": 4557
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	</Layer>
</Map>