Method: Geocentric translations (geog2D domain)
Remarks: Derived at 9 stations.
Information source: U.S. Defense Mapping Agency TR8350.2 September 1987.
Revision date: 2014-11-19
Unit: metre
Geodetic CRS: PSAD56
Datum: Provisional South American Datum 1956
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: OGP
Revision date: 1995-06-02
Scope: Large and medium scale topographic mapping and engineering survey.
Method: Geocentric translations (geog2D domain)
Area of use: South America (Chile - north of 45°S; Ecuador; Peru) between 78°W and 72°W, southern hemisphere, onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
Definition: Well Known Text (WKT)
PROJCS["PSAD56 / UTM zone 18S", GEOGCS["PSAD56", DATUM["Provisional_South_American_Datum_1956", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], TOWGS84[-298,159,-369,0,0,0,0], AUTHORITY["EPSG","6248"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4248"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-75], PARAMETER["scale_factor",0.9996], PARAMETER["false_easting",500000], PARAMETER["false_northing",10000000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","24878"]]
PROJCS["PSAD56 / UTM zone 18S", GEOGCS["PSAD56", DATUM["Provisional_South_American_Datum_1956", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], TOWGS84[-298,159,-369,0,0,0,0], AUTHORITY["EPSG","6248"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4248"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",0], PARAMETER["central_meridian",-75], PARAMETER["scale_factor",0.9996], PARAMETER["false_easting",500000], PARAMETER["false_northing",10000000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","24878"]]
Definition: ESRI WKT
PROJCS["PSAD56_UTM_zone_18S",GEOGCS["GCS_Provisional_S_American_1956",DATUM["D_Provisional_S_American_1956",SPHEROID["International_1924",6378388,297]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["Meter",1]]
Definition: PROJ.4
+proj=utm +zone=18 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +units=m +no_defs
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:24878","+proj=utm +zone=18 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +units=m +no_defs");
Definition: OGC GML
<?xml version="1.0" encoding="UTF-8"?> <gml:ProjectedCRS 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-24878"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:revisionDate>1995-06-02</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::24878</gml:identifier> <gml:name>PSAD56 / UTM zone 18S</gml:name> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1757" /> <gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::16118" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4248" /> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4400" /> </gml:ProjectedCRS>
<?xml version="1.0" encoding="UTF-8"?> <gml:ProjectedCRS 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-24878"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:revisionDate>1995-06-02</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::24878</gml:identifier> <gml:name>PSAD56 / UTM zone 18S</gml:name> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1757" /> <gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::16118" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4248" /> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4400" /> </gml:ProjectedCRS>
Definition: XML
<?xml version="1.0" encoding="UTF-8"?> <gml:ProjectedCRS gml:id="ogrcrs292509" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>PSAD56 / UTM zone 18S</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">24878</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs292510"> <gml:srsName>PSAD56</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4248</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs292511"> <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="ogrcrs292512" 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="ogrcrs292513" 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="ogrcrs292514"> <gml:datumName>Provisional_South_American_Datum_1956</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6248</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs292515"> <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="ogrcrs292516"> <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> </gml:baseCRS> <gml:definedByConversion> <gml:Conversion gml:id="ogrcrs292517"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9807" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8801" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">-75</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8802" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">0.9996</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8805" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">500000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8806" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">10000000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs292518"> <gml:csName>Cartesian</gml:csName> <gml:csID> <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">4400</gml:name> </gml:csID> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs292519" gml:uom="urn:ogc:def:uom:EPSG::9001"> <gml:name>Easting</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9906</gml:name> </gml:axisID> <gml:axisAbbrev>E</gml:axisAbbrev> <gml:axisDirection>east</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs292520" gml:uom="urn:ogc:def:uom:EPSG::9001"> <gml:name>Northing</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9907</gml:name> </gml:axisID> <gml:axisAbbrev>N</gml:axisAbbrev> <gml:axisDirection>north</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> </gml:CartesianCS> </gml:usesCartesianCS> </gml:ProjectedCRS>
<?xml version="1.0" encoding="UTF-8"?> <gml:ProjectedCRS gml:id="ogrcrs292509" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>PSAD56 / UTM zone 18S</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">24878</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs292510"> <gml:srsName>PSAD56</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4248</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs292511"> <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="ogrcrs292512" 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="ogrcrs292513" 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="ogrcrs292514"> <gml:datumName>Provisional_South_American_Datum_1956</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6248</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs292515"> <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="ogrcrs292516"> <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> </gml:baseCRS> <gml:definedByConversion> <gml:Conversion gml:id="ogrcrs292517"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9807" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">0</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8801" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">-75</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8802" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">0.9996</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8805" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">500000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8806" /> </gml:usesParameterValue> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9001">10000000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs292518"> <gml:csName>Cartesian</gml:csName> <gml:csID> <gml:name gml:codeSpace="urn:ogc:def:cs:EPSG::">4400</gml:name> </gml:csID> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs292519" gml:uom="urn:ogc:def:uom:EPSG::9001"> <gml:name>Easting</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9906</gml:name> </gml:axisID> <gml:axisAbbrev>E</gml:axisAbbrev> <gml:axisDirection>east</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> <gml:usesAxis> <gml:CoordinateSystemAxis gml:id="ogrcrs292520" gml:uom="urn:ogc:def:uom:EPSG::9001"> <gml:name>Northing</gml:name> <gml:axisID> <gml:name gml:codeSpace="urn:ogc:def:axis:EPSG::">9907</gml:name> </gml:axisID> <gml:axisAbbrev>N</gml:axisAbbrev> <gml:axisDirection>north</gml:axisDirection> </gml:CoordinateSystemAxis> </gml:usesAxis> </gml:CartesianCS> </gml:usesCartesianCS> </gml:ProjectedCRS>
Definition: GeoServer
24878=PROJCS["PSAD56 / UTM zone 18S",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-298,159,-369,0,0,0,0],AUTHORITY["EPSG","6248"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24878"]]
Definition: MapServer - MAPfile
PROJECTION "proj=utm" "zone=18" "south" "ellps=intl" "towgs84=-298,159,-369,0,0,0,0" "units=m" "no_defs" END
Definition: MapServer - Python
wkt = '''PROJCS["PSAD56 / UTM zone 18S",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-298,159,-369,0,0,0,0],AUTHORITY["EPSG","6248"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24878"]]''' 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=utm +zone=18 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +units=m +no_defs"> <Layer srs="+proj=utm +zone=18 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +units=m +no_defs"> </Layer> </Map>
Definition: Mapnik - Python
proj4 = '+proj=utm +zone=18 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +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 ( 24878, 'EPSG', 24878, '+proj=utm +zone=18 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +units=m +no_defs ', 'PROJCS["PSAD56 / UTM zone 18S",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-298,159,-369,0,0,0,0],AUTHORITY["EPSG","6248"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24878"]]');
Definition: OGC WKT
PROJCS["PSAD56 / UTM zone 18S",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-298,159,-369,0,0,0,0],AUTHORITY["EPSG","6248"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24878"]]