EPSG:4047 DEPRECATED

Unspecified datum based upon the GRS 1980 Authalic Sphere

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Unspecified datum based upon the GRS 1980 Authalic Sphere

Datum: Not specified (based on GRS 1980 Authalic Sphere)

Ellipsoid: GRS 1980 Authalic Sphere

Prime meridian: Greenwich

Data source: EPSG

Information source: OGP

Revision date: 2004-01-06

Scope: Statistical analysis.

Remarks: Use only in cases where geodetic datum is unknown.

Area of use: Not specified.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Center coordinates
0.0 0.0

WGS84 bounds:
-180.0 -90.0
180.0 90.0

Not specified.
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Definition: OGC Well Known Text

GEOGCS["Unspecified datum based upon the GRS 1980 Authalic Sphere (deprecated)",
    DATUM["Not_specified_based_on_GRS_1980_Authalic_Sphere",
        SPHEROID["GRS 1980 Authalic Sphere",6371007,0,
            AUTHORITY["EPSG","7048"]],
        AUTHORITY["EPSG","6047"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4047"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Unspecified datum based upon the GRS 1980 Authalic Sphere",
    DATUM["Not specified (based on GRS 1980 Authalic Sphere)",
        ELLIPSOID["GRS 1980 Authalic Sphere",6371007,0,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Statistical analysis."],
        AREA["Not specified."],
        BBOX[-90,-180,90,180]],
    ID["EPSG",4047]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Sphere_GRS_1980_Authalic",
    DATUM["D_Sphere_GRS_1980_Authalic",
        SPHEROID["Sphere_GRS_1980_Authalic",6371007.0,0.0]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +R=6371007 +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4047","+proj=longlat +R=6371007 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Unspecified datum based upon the GRS 1980 Authalic Sphere",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Not specified (based on GRS 1980 Authalic Sphere)",
        "ellipsoid": {
            "name": "GRS 1980 Authalic Sphere",
            "radius": 6371007
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Statistical analysis.",
    "area": "Not specified.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 4047
    }
}

Definition: GeoServer

4047=GEOGCS["Unspecified datum based upon the GRS 1980 Authalic Sphere (deprecated)",DATUM["Not_specified_based_on_GRS_1980_Authalic_Sphere",SPHEROID["GRS 1980 Authalic Sphere",6371007,0,AUTHORITY["EPSG","7048"]],AUTHORITY["EPSG","6047"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4047"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"R=6371007"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +R=6371007 +no_defs +type=crs">
	<Layer srs="+proj=longlat +R=6371007 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4047, 'EPSG', 4047, '+proj=longlat +R=6371007 +no_defs +type=crs', 'GEOGCS["Unspecified datum based upon the GRS 1980 Authalic Sphere (deprecated)",DATUM["Not_specified_based_on_GRS_1980_Authalic_Sphere",SPHEROID["GRS 1980 Authalic Sphere",6371007,0,AUTHORITY["EPSG","7048"]],AUTHORITY["EPSG","6047"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4047"]]');