Method: Geocentric translations (geog2D domain)
Remarks:
Information source: Centre for Geodesy and Cartography, Portuguese Geographical Institute; http:/www.igeo.pt
Revision date: 2003-08-14
Unit: metre
Geodetic CRS: Datum 73
Datum: Datum 73
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: OGP
Information source: Geodetic Services Directorate, Instituto Geografico e Cadastral, Lisbon; http://www.igeo.pt/
Revision date: 2008-03-14
Scope: Large and medium scale topographic mapping and engineering survey.
Remarks: The projection parameters have been designed such that this CRS grid is almost the same as the Lisbon (Lisbon)/Portuguese Grid (CRS code 20791).
Method: Geocentric translations (geog2D domain)
Area of use: Portugal - mainland - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
Center coordinates
22183.24 -12543.10
Projected bounds:
-127101.82 -300782.39
160592.41 278542.12
WGS84 bounds:
-9.56 36.95
-6.19 42.16
Definition: Well Known Text (WKT)
PROJCS["Datum 73 / Modified Portuguese Grid", GEOGCS["Datum 73", DATUM["Datum_73", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], TOWGS84[-223.237,110.193,36.649,0,0,0,0], AUTHORITY["EPSG","6274"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4274"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",39.66666666666666], PARAMETER["central_meridian",-8.131906111111112], PARAMETER["scale_factor",1], PARAMETER["false_easting",180.598], PARAMETER["false_northing",-86.99], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["X",EAST], AXIS["Y",NORTH], AUTHORITY["EPSG","27493"]]
PROJCS["Datum 73 / Modified Portuguese Grid", GEOGCS["Datum 73", DATUM["Datum_73", SPHEROID["International 1924",6378388,297, AUTHORITY["EPSG","7022"]], TOWGS84[-223.237,110.193,36.649,0,0,0,0], AUTHORITY["EPSG","6274"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4274"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",39.66666666666666], PARAMETER["central_meridian",-8.131906111111112], PARAMETER["scale_factor",1], PARAMETER["false_easting",180.598], PARAMETER["false_northing",-86.99], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["X",EAST], AXIS["Y",NORTH], AUTHORITY["EPSG","27493"]]
Definition: ESRI WKT
PROJCS["Datum_73_Modified_Portuguese_Grid",GEOGCS["GCS_Datum 73",DATUM["D_Datum_73",SPHEROID["International_1924",6378388,297]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",39.66666666666666],PARAMETER["central_meridian",-8.131906111111112],PARAMETER["scale_factor",1],PARAMETER["false_easting",180.598],PARAMETER["false_northing",-86.99],UNIT["Meter",1]]
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-27493"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:alias alias="Datum 73 / Modified Grid" code="5598" codeSpace="urn:ogc:def:naming-system:EPSG::7302" /> <epsg:informationSource>Geodetic Services Directorate, Instituto Geografico e Cadastral, Lisbon; http://www.igeo.pt/</epsg:informationSource> <epsg:revisionDate>2008-03-14</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::27493</gml:identifier> <gml:name>Datum 73 / Modified Portuguese Grid</gml:name> <gml:remarks>The projection parameters have been designed such that this CRS grid is almost the same as the Lisbon (Lisbon)/Portuguese Grid (CRS code 20791).</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1294" /> <gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::19974" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4274" /> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4499" /> </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-27493"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:alias alias="Datum 73 / Modified Grid" code="5598" codeSpace="urn:ogc:def:naming-system:EPSG::7302" /> <epsg:informationSource>Geodetic Services Directorate, Instituto Geografico e Cadastral, Lisbon; http://www.igeo.pt/</epsg:informationSource> <epsg:revisionDate>2008-03-14</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::27493</gml:identifier> <gml:name>Datum 73 / Modified Portuguese Grid</gml:name> <gml:remarks>The projection parameters have been designed such that this CRS grid is almost the same as the Lisbon (Lisbon)/Portuguese Grid (CRS code 20791).</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1294" /> <gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::19974" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4274" /> <gml:cartesianCS xlink:href="urn:ogc:def:cs:EPSG::4499" /> </gml:ProjectedCRS>
Definition: XML
<?xml version="1.0" encoding="UTF-8"?> <gml:ProjectedCRS gml:id="ogrcrs6539" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>Datum 73 / Modified Portuguese Grid</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">27493</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs6540"> <gml:srsName>Datum 73</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4274</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs6541"> <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="ogrcrs6542" 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="ogrcrs6543" 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="ogrcrs6544"> <gml:datumName>Datum_73</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6274</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs6545"> <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="ogrcrs6546"> <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="ogrcrs6547"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9807" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">39.66666666666666</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">-8.131906111111112</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">1</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">180.598</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">-86.98999999999999</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs6548"> <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="ogrcrs6549" 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="ogrcrs6550" 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="ogrcrs6539" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>Datum 73 / Modified Portuguese Grid</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">27493</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs6540"> <gml:srsName>Datum 73</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4274</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs6541"> <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="ogrcrs6542" 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="ogrcrs6543" 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="ogrcrs6544"> <gml:datumName>Datum_73</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6274</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs6545"> <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="ogrcrs6546"> <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="ogrcrs6547"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9807" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">39.66666666666666</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">-8.131906111111112</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">1</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">180.598</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">-86.98999999999999</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs6548"> <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="ogrcrs6549" 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="ogrcrs6550" 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
27493=PROJCS["Datum 73 / Modified Portuguese Grid",GEOGCS["Datum 73",DATUM["Datum_73",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-223.237,110.193,36.649,0,0,0,0],AUTHORITY["EPSG","6274"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4274"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",39.66666666666666],PARAMETER["central_meridian",-8.131906111111112],PARAMETER["scale_factor",1],PARAMETER["false_easting",180.598],PARAMETER["false_northing",-86.99],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","27493"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112 +k=1 +x_0=180.598 +y_0=-86.98999999999999 +ellps=intl +towgs84=-223.237,110.193,36.649,0,0,0,0 +units=m +no_defs"> <Layer srs="+proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112 +k=1 +x_0=180.598 +y_0=-86.98999999999999 +ellps=intl +towgs84=-223.237,110.193,36.649,0,0,0,0 +units=m +no_defs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 27493, 'EPSG', 27493, '+proj=tmerc +lat_0=39.66666666666666 +lon_0=-8.131906111111112 +k=1 +x_0=180.598 +y_0=-86.98999999999999 +ellps=intl +towgs84=-223.237,110.193,36.649,0,0,0,0 +units=m +no_defs ', 'PROJCS["Datum 73 / Modified Portuguese Grid",GEOGCS["Datum 73",DATUM["Datum_73",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-223.237,110.193,36.649,0,0,0,0],AUTHORITY["EPSG","6274"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4274"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",39.66666666666666],PARAMETER["central_meridian",-8.131906111111112],PARAMETER["scale_factor",1],PARAMETER["false_easting",180.598],PARAMETER["false_northing",-86.99],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","27493"]]');
Definition: OGC WKT
PROJCS["Datum 73 / Modified Portuguese Grid",GEOGCS["Datum 73",DATUM["Datum_73",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],TOWGS84[-223.237,110.193,36.649,0,0,0,0],AUTHORITY["EPSG","6274"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4274"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",39.66666666666666],PARAMETER["central_meridian",-8.131906111111112],PARAMETER["scale_factor",1],PARAMETER["false_easting",180.598],PARAMETER["false_northing",-86.99],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","27493"]]