EPSG:4908 — GR96

Geocentric · Greenland

Export Formats

OGC WKT

GEOCCS[
    "GR96",
    DATUM[
        "Greenland_1996",
        SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6747"]
    ],
    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","4908"]
]

WKT2

GEODCRS[
    "GR96",
    ENSEMBLE[
        "Greenland Reference 1996 ensemble",
        MEMBER["Greenland Reference 1996 (1996)",ID["EPSG",1420]],
        MEMBER["Greenland Reference 1996 (2021)",ID["EPSG",1419]],
        ELLIPSOID[
            "GRS 1980",
            6378137,
            298.257222101,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7019]
        ],
        ENSEMBLEACCURACY[0.25],
        ID["EPSG",1421]
    ],
    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",4908]
]

PROJ.4

+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:4908", "+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 4908,
  "name": "GR96",
  "kind": "geocentric",
  "area": "Greenland",
  "unit": "metre",
  "bbox": [
    56.38,
    -75,
    87.03,
    7.99
  ],
  "proj4": "+proj=geocent +ellps=GRS80 +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 (4908, 'EPSG', 4908, '+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs', 'GEOCCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],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","4908"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=geocent"
  "+ellps=GRS80"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

4908=GEOCCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],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","4908"]]

Other CRS for GL

Other CRS using Greenland Reference 1996 ensemble (33)

Frequently Asked Questions

How do I add EPSG:4908 to GeoServer?

Add the following definition to your GeoServer configuration:

4908=GEOCCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],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","4908"]]

Read the full GeoServer guide →

How do I add EPSG:4908 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4908, 'EPSG', 4908, '+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs', 'GEOCCS["GR96",DATUM["Greenland_1996",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6747"]],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","4908"]]');

Read the full PostGIS guide →

How do I add EPSG:4908 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=geocent"
  "+ellps=GRS80"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:4908 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:4908", "+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs");

Read the full Proj4js guide →