Unit: degree (supplier to define representation)
Geodetic CRS: Mhast (offshore)
Datum: Mhast (offshore)
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: OGP
Information source: ChevronTexaco.
Revision date: 2006-01-06
Scope: Oil industry exploration and production between 1979 and 1987.
Remarks: Used by CABGOC. Differs from Mhast (onshore) by approximately 10m. Replaced by Malongo 1987 (CRS code 4259) in 1987.
Area of use: Angola (Cabinda) - offshore; The Democratic Republic of the Congo (Zaire) - offshore.
Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree
Center coordinates
11.45000000 -5.54500000
WGS84 bounds:
10.53 -6.04
12.37 -5.05
Definition: Well Known Text (WKT)
GEOGCS["Mhast (offshore)", DATUM["Mhast_offshore", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], AUTHORITY["EPSG","6705"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4705"]]
GEOGCS["Mhast (offshore)", DATUM["Mhast_offshore", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], AUTHORITY["EPSG","6705"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4705"]]
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-4705"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>geographic 2D</epsg:type> <epsg:alias alias="Mhast" code="3120" codeSpace="urn:ogc:def:naming-system:EPSG::7301"> <epsg:remarks>This same alias is ambiguous as is also used for Mhast (onshore) and Malongo 1987.</epsg:remarks> </epsg:alias> <epsg:informationSource>ChevronTexaco.</epsg:informationSource> <epsg:revisionDate>2006-01-06</epsg:revisionDate> <epsg:show>true</epsg:show> <epsg:isDeprecated>false</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::4705</gml:identifier> <gml:name>Mhast (offshore)</gml:name> <gml:remarks>Used by CABGOC. Differs from Mhast (onshore) by approximately 10m. Replaced by Malongo 1987 (CRS code 4259) in 1987.</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::3180" /> <gml:scope>Oil industry exploration and production between 1979 and 1987.</gml:scope> <gml:ellipsoidalCS xlink:href="urn:ogc:def:cs:EPSG::6422" /> <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6705" /> </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-4705"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>geographic 2D</epsg:type> <epsg:alias alias="Mhast" code="3120" codeSpace="urn:ogc:def:naming-system:EPSG::7301"> <epsg:remarks>This same alias is ambiguous as is also used for Mhast (onshore) and Malongo 1987.</epsg:remarks> </epsg:alias> <epsg:informationSource>ChevronTexaco.</epsg:informationSource> <epsg:revisionDate>2006-01-06</epsg:revisionDate> <epsg:show>true</epsg:show> <epsg:isDeprecated>false</epsg:isDeprecated> </epsg:CommonMetaData> </gml:metaDataProperty> <gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::4705</gml:identifier> <gml:name>Mhast (offshore)</gml:name> <gml:remarks>Used by CABGOC. Differs from Mhast (onshore) by approximately 10m. Replaced by Malongo 1987 (CRS code 4259) in 1987.</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::3180" /> <gml:scope>Oil industry exploration and production between 1979 and 1987.</gml:scope> <gml:ellipsoidalCS xlink:href="urn:ogc:def:cs:EPSG::6422" /> <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6705" /> </gml:GeodeticCRS>
Definition: XML
<?xml version="1.0" encoding="UTF-8"?> <gml:GeographicCRS gml:id="ogrcrs17454" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>Mhast (offshore)</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4705</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs17455"> <gml:csName>ellipsoidal</gml:csName> <gml:csID> <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">6402</gml:name> </gml:csID> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs17456" gml:uom="urn:ogc:def:uom:EPSG::9102"> <gml:name>Geodetic latitude</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9901</gml:name> </gml:axisID> <gml:axisAbbrev>Lat</gml:axisAbbrev> <gml:axisDirection>north</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs17457" gml:uom="urn:ogc:def:uom:EPSG::9102"> <gml:name>Geodetic longitude</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9902</gml:name> </gml:axisID> <gml:axisAbbrev>Lon</gml:axisAbbrev> <gml:axisDirection>east</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> </gml:EllipsoidalCS> </gml:usesEllipsoidalCS> <gml:usesGeodeticDatum> <gml:GeodeticDatum gml:id="ogrcrs17458"> <gml:datumName>Mhast_offshore</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6705</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs17459"> <gml:meridianName>Greenwich</gml:meridianName> <gml:meridianID> <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8901</gml:name> </gml:meridianID> <gml:greenwichLongitude> <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:angle> </gml:greenwichLongitude> </gml:PrimeMeridian> </gml:usesPrimeMeridian> <gml:usesEllipsoid> <gml:Ellipsoid gml:id="ogrcrs17460"> <gml:ellipsoidName>International 1924</gml:ellipsoidName> <gml:ellipsoidID> <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7022</gml:name> </gml:ellipsoidID> <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378388</gml:semiMajorAxis> <gml:secondDefiningParameter> <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">297</gml:inverseFlattening> </gml:secondDefiningParameter> </gml:Ellipsoid> </gml:usesEllipsoid> </gml:GeodeticDatum> </gml:usesGeodeticDatum> </gml:GeographicCRS>
<?xml version="1.0" encoding="UTF-8"?> <gml:GeographicCRS gml:id="ogrcrs17454" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>Mhast (offshore)</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4705</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs17455"> <gml:csName>ellipsoidal</gml:csName> <gml:csID> <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">6402</gml:name> </gml:csID> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs17456" gml:uom="urn:ogc:def:uom:EPSG::9102"> <gml:name>Geodetic latitude</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9901</gml:name> </gml:axisID> <gml:axisAbbrev>Lat</gml:axisAbbrev> <gml:axisDirection>north</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs17457" gml:uom="urn:ogc:def:uom:EPSG::9102"> <gml:name>Geodetic longitude</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9902</gml:name> </gml:axisID> <gml:axisAbbrev>Lon</gml:axisAbbrev> <gml:axisDirection>east</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> </gml:EllipsoidalCS> </gml:usesEllipsoidalCS> <gml:usesGeodeticDatum> <gml:GeodeticDatum gml:id="ogrcrs17458"> <gml:datumName>Mhast_offshore</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6705</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs17459"> <gml:meridianName>Greenwich</gml:meridianName> <gml:meridianID> <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8901</gml:name> </gml:meridianID> <gml:greenwichLongitude> <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:angle> </gml:greenwichLongitude> </gml:PrimeMeridian> </gml:usesPrimeMeridian> <gml:usesEllipsoid> <gml:Ellipsoid gml:id="ogrcrs17460"> <gml:ellipsoidName>International 1924</gml:ellipsoidName> <gml:ellipsoidID> <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7022</gml:name> </gml:ellipsoidID> <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378388</gml:semiMajorAxis> <gml:secondDefiningParameter> <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">297</gml:inverseFlattening> </gml:secondDefiningParameter> </gml:Ellipsoid> </gml:usesEllipsoid> </gml:GeodeticDatum> </gml:usesGeodeticDatum> </gml:GeographicCRS>
Definition: GeoServer
4705=GEOGCS["Mhast (offshore)",DATUM["Mhast_offshore",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6705"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4705"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=longlat +ellps=intl +no_defs"> <Layer srs="+proj=longlat +ellps=intl +no_defs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4705, 'EPSG', 4705, '+proj=longlat +ellps=intl +no_defs ', 'GEOGCS["Mhast (offshore)",DATUM["Mhast_offshore",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6705"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4705"]]');
Definition: OGC WKT
GEOGCS["Mhast (offshore)",DATUM["Mhast_offshore",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6705"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4705"]]