Transform coordinates Get position on a map

EPSG:4974

SIRGAS 1995

Covered area powered by MapTiler MapTiler logo

Center coordinates
2068137.21 -5562539.10

Projected bounds:
-1264926.34 -2949872.27
5490930.54 -2678105.77

WGS84 bounds:
-113.21 -59.87
-26.0 16.75

South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore.

Attributes

Unit: metre

Geodetic CRS: SIRGAS 1995

Datum: Sistema de Referencia Geocentrico para America del Sur 1995

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: OGP

Information source: IBGE Brazil, http://www1.ibge.gov.br/

Revision date: 2006-07-29

Scope: Geodetic survey.

Remarks: Replaced by SIRGAS 2000.

Area of use: South America - onshore and offshore. Ecuador (mainland and Galapagos) - onshore and offshore.

Coordinate system: Earth centred, earth fixed, righthanded 3D coordinate system, consisting of 3 orthogonal axes with X and Y axes in the equatorial plane, positive Z-axis parallel to mean earth rotation axis and pointing towards North Pole. UoM: m.

MapTiler banner

Definition: Well Known Text (WKT)

GEOCCS["SIRGAS 1995",
    DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",
        SPHEROID["GRS 1980",6378137,298.257222101,
            AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6170"]],
    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","4974"]]

GEOCCS["SIRGAS 1995",
    DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",
        SPHEROID["GRS 1980",6378137,298.257222101,
            AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","6170"]],
    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","4974"]]

Definition: ESRI WKT

GEOCCS["SIRGAS 1995",DATUM["D_SIRGAS",SPHEROID["GRS_1980",6378137,298.257222101]],PRIMEM["Greenwich",0],UNIT["Meter",1]]

Definition: PROJ.4

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

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4974","+proj=geocent +ellps=GRS80 +units=m +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="epsg-crs-4974">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>geocentric</epsg:type>
         <epsg:alias alias="SIRGAS" code="2383" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
         <epsg:informationSource>IBGE Brazil, http://www1.ibge.gov.br/</epsg:informationSource>
         <epsg:revisionDate>2006-07-29</epsg:revisionDate>
         <epsg:changes>
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2004.250" />
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2005.460" />
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.465" />
         </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::4974</gml:identifier>
   <gml:name>SIRGAS 1995</gml:name>
   <gml:remarks>Replaced by SIRGAS 2000.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::3448" />
   <gml:scope>Geodetic survey.</gml:scope>
   <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::6500" />
   <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6170" />
</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-4974">
   <gml:metaDataProperty>
      <epsg:CommonMetaData>
         <epsg:type>geocentric</epsg:type>
         <epsg:alias alias="SIRGAS" code="2383" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
         <epsg:informationSource>IBGE Brazil, http://www1.ibge.gov.br/</epsg:informationSource>
         <epsg:revisionDate>2006-07-29</epsg:revisionDate>
         <epsg:changes>
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2004.250" />
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2005.460" />
            <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2006.465" />
         </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::4974</gml:identifier>
   <gml:name>SIRGAS 1995</gml:name>
   <gml:remarks>Replaced by SIRGAS 2000.</gml:remarks>
   <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::3448" />
   <gml:scope>Geodetic survey.</gml:scope>
   <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::6500" />
   <gml:geodeticDatum xlink:href="urn:ogc:def:datum:EPSG::6170" />
</gml:GeodeticCRS>

Definition: GeoServer

4974=GEOCCS["SIRGAS 1995",DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6170"]],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","4974"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=geocent"
	"ellps=GRS80"
	"units=m"
	"no_defs"
END

Definition: MapServer - Python

wkt = '''GEOCCS["SIRGAS 1995",DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6170"]],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","4974"]]'''
m = mapObj('')
m.setWKTProjection(ref.ExportToWkt())
lyr = layerObj(m)
lyr.setWKTProjection(ref.ExportToWkt())

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=geocent +ellps=GRS80 +units=m +no_defs">
	<Layer srs="+proj=geocent +ellps=GRS80 +units=m +no_defs">
	</Layer>
</Map>

Definition: Mapnik - Python

proj4 = '+proj=geocent +ellps=GRS80 +units=m +no_defs'
m = Map(256,256,proj4)
lyr = Layer('Name',proj4)

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4974, 'EPSG', 4974, '+proj=geocent +ellps=GRS80 +units=m +no_defs ', 'GEOCCS["SIRGAS 1995",DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6170"]],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","4974"]]');

Definition: OGC WKT

GEOCCS["SIRGAS 1995",DATUM["Sistema_de_Referencia_Geocentrico_para_America_del_Sur_1995",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6170"]],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","4974"]]