Unit: metre
Geodetic CRS: WGS 84
Datum: World Geodetic System 1984
Ellipsoid: WGS 84
Prime meridian: Greenwich
Data source: OGP
Information source: NIMA TR8350.2 January 2000 revision. http://earth-info.nga.mil/GandG/
Revision date: 2006-08-25
Scope: Used by the GPS satellite navigation system.
Area of use: World.
Center coordinates
6378137.00 0.00
Projected bounds:
-557746.21 -973.45
-557746.21 973.45
WGS84 bounds:
-180.0 -90.0
180.0 90.0
Definition: Well Known Text (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"]]
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"]]
Definition: OGC GML
<?xml version="1.0" encoding="UTF-8"?> <gml:GeodeticCRS xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="epsg-crs-4978"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>geocentric</epsg:type> <epsg:informationSource>NIMA TR8350.2 January 2000 revision. http://earth-info.nga.mil/GandG/</epsg:informationSource> <epsg:revisionDate>2006-08-25</epsg:revisionDate> <epsg:changes> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2005.460" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.810" /> </epsg:changes> <epsg:show>true</epsg:show> <epsg:isDeprecated>false</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::4978</gml:identifier> <gml:name>WGS 84</gml:name> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1262" /> <gml:scope>Used by the GPS satellite navigation system.</gml:scope> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::6500" /> <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6326" /> </gml:GeodeticCRS>
<?xml version="1.0" encoding="UTF-8"?> <gml:GeodeticCRS xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="epsg-crs-4978"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>geocentric</epsg:type> <epsg:informationSource>NIMA TR8350.2 January 2000 revision. http://earth-info.nga.mil/GandG/</epsg:informationSource> <epsg:revisionDate>2006-08-25</epsg:revisionDate> <epsg:changes> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2005.460" /> <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.810" /> </epsg:changes> <epsg:show>true</epsg:show> <epsg:isDeprecated>false</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::4978</gml:identifier> <gml:name>WGS 84</gml:name> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1262" /> <gml:scope>Used by the GPS satellite navigation system.</gml:scope> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::6500" /> <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6326" /> </gml:GeodeticCRS>
Definition: 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"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=geocent +datum=WGS84 +units=m +no_defs"> <Layer srs="+proj=geocent +datum=WGS84 +units=m +no_defs"> </Layer> </Map>
Definition: SQL (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 ', '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"]]');
Definition: 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"]]