EPSG:4978 — WGS 84

Geocentric · World

Export Formats

OGC WKT

GEOCCS[
    "WGS 84",
    DATUM[
        "WGS_1984",
        SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],
        AUTHORITY["EPSG","6326"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AXIS["Geocentric X",OTHER],
    AXIS["Geocentric Y",OTHER],
    AXIS["Geocentric Z",NORTH],
    AUTHORITY["EPSG","4978"]
]

WKT2

GEODCRS[
    "WGS 84",
    ENSEMBLE[
        "World Geodetic System 1984 ensemble",
        MEMBER["World Geodetic System 1984 (Transit)",ID["EPSG",1166]],
        MEMBER["World Geodetic System 1984 (G730)",ID["EPSG",1152]],
        MEMBER["World Geodetic System 1984 (G873)",ID["EPSG",1153]],
        MEMBER["World Geodetic System 1984 (G1150)",ID["EPSG",1154]],
        MEMBER["World Geodetic System 1984 (G1674)",ID["EPSG",1155]],
        MEMBER["World Geodetic System 1984 (G1762)",ID["EPSG",1156]],
        MEMBER["World Geodetic System 1984 (G2139)",ID["EPSG",1309]],
        MEMBER["World Geodetic System 1984 (G2296)",ID["EPSG",1383]],
        ELLIPSOID[
            "WGS 84",
            6378137,
            298.257223563,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7030]
        ],
        ENSEMBLEACCURACY[2],
        ID["EPSG",6326]
    ],
    CS[Cartesian,3,ID["EPSG",6500]],
    AXIS["Geocentric X (X)",geocentricX,LENGTHUNIT["metre",1,ID["EPSG",9001]]],
    AXIS["Geocentric Y (Y)",geocentricY,LENGTHUNIT["metre",1,ID["EPSG",9001]]],
    AXIS["Geocentric Z (Z)",geocentricZ,LENGTHUNIT["metre",1,ID["EPSG",9001]]],
    ID["EPSG",4978]
]

PROJ.4

+proj=geocent +datum=WGS84 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:4978", "+proj=geocent +datum=WGS84 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 4978,
  "name": "WGS 84",
  "kind": "geocentric",
  "area": "World",
  "unit": "metre",
  "bbox": [
    -90,
    -180,
    90,
    180
  ],
  "proj4": "+proj=geocent +datum=WGS84 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4978, 'EPSG', 4978, '+proj=geocent +datum=WGS84 +units=m +no_defs +type=crs', 'GEOCCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4978"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=geocent"
  "+datum=WGS84"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

4978=GEOCCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4978"]]

Related Coordinate Systems

Available Transformations (5)

Transformation	Source → Target	Accuracy (m)
Georgia Geodetic Datum to WGS 84 (1)	10829 → 4978	0.03
ONGD14 to WGS 84 (1)	7371 → 4978	0.1
ONGD17 to WGS 84 (1)	9292 → 4978	0.1
WGS 84 to ETRS89 (2)	4978 → 4936	0.1
WGS 84 to ETRS89 (2) Deprecated	4936 → 4978	0.1

Other CRS using World Geodetic System 1984 ensemble (366)

Frequently Asked Questions

How do I add EPSG:4978 to GeoServer?

Add the following definition to your GeoServer configuration:

4978=GEOCCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4978"]]

Read the full GeoServer guide →

How do I add EPSG:4978 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4978, 'EPSG', 4978, '+proj=geocent +datum=WGS84 +units=m +no_defs +type=crs', 'GEOCCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","4978"]]');

Read the full PostGIS guide →

How do I add EPSG:4978 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=geocent"
  "+datum=WGS84"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:4978 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:4978", "+proj=geocent +datum=WGS84 +units=m +no_defs +type=crs");

Read the full Proj4js guide →