EPSG:4620

Point 58

Available transformations

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at one point in each of Burkina Faso and Niger.

Information source: NIMA TR8350.2

Revision date: 2014-11-19

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Point 58

Datum: Point 58

Ellipsoid: Clarke 1880 (RGS)

Prime meridian: Greenwich

Data source: OGP

Information source: IGN Paris

Revision date: 2015-04-22

Scope: Geodetic survey.

Remarks: The 12th parallel traverse of 1966-70 is connected to the Blue Nile 1958 (Adindan) network in western Sudan (geogCRS code 4201).

Method: Geocentric translations (geog2D domain)

Area of use: Senegal - central, Mali - southwest, Burkina Faso - central, Niger - southwest, Nigeria - north, Chad - central. All in proximity to the parallel of latitude of 12°N.

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

Center coordinates
-0.31880533 13.02971599

WGS84 bounds:
-4.64 11.83
4.0 14.23

Burkina Faso - central; Niger - southwest, in proximity to the parallel of latitude of 12°N.
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Definition: Well Known Text (WKT)

GEOGCS["Point 58",
    DATUM["Point_58",
        SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
            AUTHORITY["EPSG","7012"]],
        TOWGS84[-106,-129,165,0,0,0,0],
        AUTHORITY["EPSG","6620"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4620"]]
GEOGCS["Point 58",
    DATUM["Point_58",
        SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,
            AUTHORITY["EPSG","7012"]],
        TOWGS84[-106,-129,165,0,0,0,0],
        AUTHORITY["EPSG","6620"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4620"]]

Definition: ESRI WKT

GEOGCS["Point 58",DATUM["D_Point_58",SPHEROID["Clarke_1880_RGS",6378249.145,293.465]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]]

Definition: PROJ.4

+proj=longlat +ellps=clrk80 +towgs84=-106,-129,165,0,0,0,0 +no_defs 

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:4620","+proj=longlat +ellps=clrk80 +towgs84=-106,-129,165,0,0,0,0 +no_defs");

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="iogp-crs-4620">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>geographic 2D</epsg:type>
      <epsg:alias alias="12th Parallel traverse" code="2033" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:informationSource>IGN Paris</epsg:informationSource>
      <epsg:revisionDate>2015-04-22</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2003.370" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2015.010" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:crs:EPSG::4620</gml:identifier>
  <gml:name>Point 58</gml:name>
  <gml:remarks>The 12th parallel traverse of 1966-70 is connected to the Blue Nile 1958 (Adindan) network in western Sudan (geogCRS code 4201).</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::2790" />
  <gml:scope>Geodetic survey.</gml:scope>
  <gml:ellipsoidalCS xlink:href="urn:ogc:def:cs:EPSG::6422" />
  <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6620" />
</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="iogp-crs-4620">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>geographic 2D</epsg:type>
      <epsg:alias alias="12th Parallel traverse" code="2033" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
      <epsg:informationSource>IGN Paris</epsg:informationSource>
      <epsg:revisionDate>2015-04-22</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2003.370" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2015.010" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:crs:EPSG::4620</gml:identifier>
  <gml:name>Point 58</gml:name>
  <gml:remarks>The 12th parallel traverse of 1966-70 is connected to the Blue Nile 1958 (Adindan) network in western Sudan (geogCRS code 4201).</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::2790" />
  <gml:scope>Geodetic survey.</gml:scope>
  <gml:ellipsoidalCS xlink:href="urn:ogc:def:cs:EPSG::6422" />
  <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6620" />
</gml:GeodeticCRS>

Definition: XML

<?xml version="1.0" encoding="UTF-8"?>
 <gml:GeographicCRS gml:id="ogrcrs1167120" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>Point 58</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4620</gml:name>
  </gml:srsID>
  <gml:usesEllipsoidalCS>
    <gml:EllipsoidalCS gml:id="ogrcrs1167121">
      <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="ogrcrs1167122" 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="ogrcrs1167123" 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="ogrcrs1167124">
      <gml:datumName>Point_58</gml:datumName>
      <gml:datumID>
        <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6620</gml:name>
      </gml:datumID>
      <gml:usesPrimeMeridian>
        <gml:PrimeMeridian gml:id="ogrcrs1167125">
          <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="ogrcrs1167126">
          <gml:ellipsoidName>Clarke 1880 (RGS)</gml:ellipsoidName>
          <gml:ellipsoidID>
            <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7012</gml:name>
          </gml:ellipsoidID>
          <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378249.145</gml:semiMajorAxis>
          <gml:secondDefiningParameter>
            <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">293.465</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="ogrcrs1167120" xmlns:gml="http://www.opengis.net/gml/3.2">
  <gml:srsName>Point 58</gml:srsName>
  <gml:srsID>
    <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4620</gml:name>
  </gml:srsID>
  <gml:usesEllipsoidalCS>
    <gml:EllipsoidalCS gml:id="ogrcrs1167121">
      <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="ogrcrs1167122" 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="ogrcrs1167123" 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="ogrcrs1167124">
      <gml:datumName>Point_58</gml:datumName>
      <gml:datumID>
        <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6620</gml:name>
      </gml:datumID>
      <gml:usesPrimeMeridian>
        <gml:PrimeMeridian gml:id="ogrcrs1167125">
          <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="ogrcrs1167126">
          <gml:ellipsoidName>Clarke 1880 (RGS)</gml:ellipsoidName>
          <gml:ellipsoidID>
            <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7012</gml:name>
          </gml:ellipsoidID>
          <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378249.145</gml:semiMajorAxis>
          <gml:secondDefiningParameter>
            <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">293.465</gml:inverseFlattening>
          </gml:secondDefiningParameter>
        </gml:Ellipsoid>
      </gml:usesEllipsoid>
    </gml:GeodeticDatum>
  </gml:usesGeodeticDatum>
</gml:GeographicCRS>

Definition: GeoServer

4620=GEOGCS["Point 58",DATUM["Point_58",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],TOWGS84[-106,-129,165,0,0,0,0],AUTHORITY["EPSG","6620"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4620"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=clrk80"
	"towgs84=-106,-129,165,0,0,0,0"
	"no_defs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=clrk80 +towgs84=-106,-129,165,0,0,0,0 +no_defs">
	<Layer srs="+proj=longlat +ellps=clrk80 +towgs84=-106,-129,165,0,0,0,0 +no_defs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4620, 'EPSG', 4620, '+proj=longlat +ellps=clrk80 +towgs84=-106,-129,165,0,0,0,0 +no_defs ', 'GEOGCS["Point 58",DATUM["Point_58",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],TOWGS84[-106,-129,165,0,0,0,0],AUTHORITY["EPSG","6620"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4620"]]');

Definition: OGC WKT

GEOGCS["Point 58",DATUM["Point_58",SPHEROID["Clarke 1880 (RGS)",6378249.145,293.465,AUTHORITY["EPSG","7012"]],TOWGS84[-106,-129,165,0,0,0,0],AUTHORITY["EPSG","6620"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4620"]]

Definition: USGS

[0, 0, (6378249.145, 6356514.8695497755, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0), -1]