Unit: metre
Geodetic CRS: NTF (Paris)
Datum: Nouvelle Triangulation Francaise (Paris)
Ellipsoid: Clarke 1880 (IGN)
Prime meridian: Paris
Data source: OGP
Revision date: 2001-11-06
Scope: Large and medium scale topographic mapping and engineering survey.
Remarks: Introduced 1972. Replaces NTF (Paris) / Lambert Nord France (code 27561).
Area of use: France mainland onshore north of 53.5 grads North (48°09'N).
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
Center coordinates
552587.60 1215784.19
Projected bounds:
64398.20 1074408.53
1012167.98 1398560.88
WGS84 bounds:
-4.87 48.14
8.23 51.14
Definition: Well Known Text (WKT)
PROJCS["NTF (Paris) / Lambert zone I", GEOGCS["NTF (Paris)", DATUM["Nouvelle_Triangulation_Francaise_Paris", SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936265, AUTHORITY["EPSG","7011"]], TOWGS84[-168,-60,320,0,0,0,0], AUTHORITY["EPSG","6807"]], PRIMEM["Paris",2.33722917, AUTHORITY["EPSG","8903"]], UNIT["grad",0.01570796326794897, AUTHORITY["EPSG","9105"]], AUTHORITY["EPSG","4807"]], PROJECTION["Lambert_Conformal_Conic_1SP"], PARAMETER["latitude_of_origin",55], PARAMETER["central_meridian",0], PARAMETER["scale_factor",0.999877341], PARAMETER["false_easting",600000], PARAMETER["false_northing",1200000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["X",EAST], AXIS["Y",NORTH], AUTHORITY["EPSG","27571"]]
PROJCS["NTF (Paris) / Lambert zone I", GEOGCS["NTF (Paris)", DATUM["Nouvelle_Triangulation_Francaise_Paris", SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936265, AUTHORITY["EPSG","7011"]], TOWGS84[-168,-60,320,0,0,0,0], AUTHORITY["EPSG","6807"]], PRIMEM["Paris",2.33722917, AUTHORITY["EPSG","8903"]], UNIT["grad",0.01570796326794897, AUTHORITY["EPSG","9105"]], AUTHORITY["EPSG","4807"]], PROJECTION["Lambert_Conformal_Conic_1SP"], PARAMETER["latitude_of_origin",55], PARAMETER["central_meridian",0], PARAMETER["scale_factor",0.999877341], PARAMETER["false_easting",600000], PARAMETER["false_northing",1200000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["X",EAST], AXIS["Y",NORTH], AUTHORITY["EPSG","27571"]]
Definition: ESRI WKT
PROJCS["NTF_Paris_Lambert_zone_I",GEOGCS["GCS_NTF_Paris",DATUM["D_NTF",SPHEROID["Clarke_1880_IGN",6378249.2,293.46602]],PRIMEM["Paris",2.33722917],UNIT["grad",0.01570796326794897]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["latitude_of_origin",55],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.999877341],PARAMETER["false_easting",600000],PARAMETER["false_northing",1200000],UNIT["Meter",1],PARAMETER["standard_parallel_1",55]]
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-27571"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:alias alias="NTF (Paris) / France I" code="1414" codeSpace="urn:ogc:def:naming-system:EPSG::7317" /> <epsg:revisionDate>2001-11-06</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::27571</gml:identifier> <gml:name>NTF (Paris) / Lambert zone I</gml:name> <gml:remarks>Introduced 1972. Replaces NTF (Paris) / Lambert Nord France (code 27561).</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1731" /> <gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::18081" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4807" /> <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-27571"> <gml:metaDataProperty> <epsg:CommonMetaData> <epsg:type>projected</epsg:type> <epsg:alias alias="NTF (Paris) / France I" code="1414" codeSpace="urn:ogc:def:naming-system:EPSG::7317" /> <epsg:revisionDate>2001-11-06</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::27571</gml:identifier> <gml:name>NTF (Paris) / Lambert zone I</gml:name> <gml:remarks>Introduced 1972. Replaces NTF (Paris) / Lambert Nord France (code 27561).</gml:remarks> <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1731" /> <gml:scope>Large and medium scale topographic mapping and engineering survey.</gml:scope> <gml:conversion xlink:href="urn:ogc:def:coordinateOperation:EPSG::18081" /> <gml:baseGeodeticCRS xlink:href="urn:ogc:def:crs:EPSG::4807" /> <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="ogrcrs415183" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>NTF (Paris) / Lambert zone I</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">27571</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs415184"> <gml:srsName>NTF (Paris)</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4807</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs415185"> <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="ogrcrs415186" 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="ogrcrs415187" 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="ogrcrs415188"> <gml:datumName>Nouvelle_Triangulation_Francaise_Paris</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6807</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs415189"> <gml:meridianName>Paris</gml:meridianName> <gml:meridianID> <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8903</gml:name> </gml:meridianID> <gml:greenwichLongitude> <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">2.33722917</gml:angle> </gml:greenwichLongitude> </gml:PrimeMeridian> </gml:usesPrimeMeridian> <gml:usesEllipsoid> <gml:Ellipsoid gml:id="ogrcrs415190"> <gml:ellipsoidName>Clarke 1880 (IGN)</gml:ellipsoidName> <gml:ellipsoidID> <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7011</gml:name> </gml:ellipsoidID> <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378249.2</gml:semiMajorAxis> <gml:secondDefiningParameter> <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">293.4660212936265</gml:inverseFlattening> </gml:secondDefiningParameter> </gml:Ellipsoid> </gml:usesEllipsoid> </gml:GeodeticDatum> </gml:usesGeodeticDatum> </gml:GeographicCRS> </gml:baseCRS> <gml:definedByConversion> <gml:Conversion gml:id="ogrcrs415191"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9801" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">49.50000000000001</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">0</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">0.999877341</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">600000</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">1200000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs415192"> <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="ogrcrs415193" 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="ogrcrs415194" 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="ogrcrs415183" xmlns:gml="http://www.opengis.net/gml/3.2"> <gml:srsName>NTF (Paris) / Lambert zone I</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">27571</gml:name> </gml:srsID> <gml:baseCRS> <gml:GeographicCRS gml:id="ogrcrs415184"> <gml:srsName>NTF (Paris)</gml:srsName> <gml:srsID> <gml:name gml:codeSpace="urn:ogc:def:crs:EPSG::">4807</gml:name> </gml:srsID> <gml:usesEllipsoidalCS> <gml:EllipsoidalCS gml:id="ogrcrs415185"> <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="ogrcrs415186" 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="ogrcrs415187" 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="ogrcrs415188"> <gml:datumName>Nouvelle_Triangulation_Francaise_Paris</gml:datumName> <gml:datumID> <gml:name gml:codeSpace="urn:ogc:def:datum:EPSG::">6807</gml:name> </gml:datumID> <gml:usesPrimeMeridian> <gml:PrimeMeridian gml:id="ogrcrs415189"> <gml:meridianName>Paris</gml:meridianName> <gml:meridianID> <gml:name gml:codeSpace="urn:ogc:def:meridian:EPSG::">8903</gml:name> </gml:meridianID> <gml:greenwichLongitude> <gml:angle gml:uom="urn:ogc:def:uom:EPSG::9102">2.33722917</gml:angle> </gml:greenwichLongitude> </gml:PrimeMeridian> </gml:usesPrimeMeridian> <gml:usesEllipsoid> <gml:Ellipsoid gml:id="ogrcrs415190"> <gml:ellipsoidName>Clarke 1880 (IGN)</gml:ellipsoidName> <gml:ellipsoidID> <gml:name gml:codeSpace="urn:ogc:def:ellipsoid:EPSG::">7011</gml:name> </gml:ellipsoidID> <gml:semiMajorAxis gml:uom="urn:ogc:def:uom:EPSG::9001">6378249.2</gml:semiMajorAxis> <gml:secondDefiningParameter> <gml:inverseFlattening gml:uom="urn:ogc:def:uom:EPSG::9201">293.4660212936265</gml:inverseFlattening> </gml:secondDefiningParameter> </gml:Ellipsoid> </gml:usesEllipsoid> </gml:GeodeticDatum> </gml:usesGeodeticDatum> </gml:GeographicCRS> </gml:baseCRS> <gml:definedByConversion> <gml:Conversion gml:id="ogrcrs415191"> <gml:usesMethod xlink:href="urn:ogc:def:method:EPSG::9801" /> <gml:usesParameterValue> <gml:value gml:uom="urn:ogc:def:uom:EPSG::9102">49.50000000000001</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">0</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">0.999877341</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">600000</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">1200000</gml:value> <gml:valueOfParameter xlink:href="urn:ogc:def:parameter:EPSG::8807" /> </gml:usesParameterValue> </gml:Conversion> </gml:definedByConversion> <gml:usesCartesianCS> <gml:CartesianCS gml:id="ogrcrs415192"> <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="ogrcrs415193" 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="ogrcrs415194" 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
27571=PROJCS["NTF (Paris) / Lambert zone I",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936265,AUTHORITY["EPSG","7011"]],TOWGS84[-168,-60,320,0,0,0,0],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.01570796326794897,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",55],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.999877341],PARAMETER["false_easting",600000],PARAMETER["false_northing",1200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","27571"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_1=49.50000000000001 +lat_0=49.50000000000001 +lon_0=0 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356515 +towgs84=-168,-60,320,0,0,0,0 +pm=paris +units=m +no_defs"> <Layer srs="+proj=lcc +lat_1=49.50000000000001 +lat_0=49.50000000000001 +lon_0=0 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356515 +towgs84=-168,-60,320,0,0,0,0 +pm=paris +units=m +no_defs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 27571, 'EPSG', 27571, '+proj=lcc +lat_1=49.50000000000001 +lat_0=49.50000000000001 +lon_0=0 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +a=6378249.2 +b=6356515 +towgs84=-168,-60,320,0,0,0,0 +pm=paris +units=m +no_defs ', 'PROJCS["NTF (Paris) / Lambert zone I",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936265,AUTHORITY["EPSG","7011"]],TOWGS84[-168,-60,320,0,0,0,0],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.01570796326794897,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",55],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.999877341],PARAMETER["false_easting",600000],PARAMETER["false_northing",1200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","27571"]]');
Definition: OGC WKT
PROJCS["NTF (Paris) / Lambert zone I",GEOGCS["NTF (Paris)",DATUM["Nouvelle_Triangulation_Francaise_Paris",SPHEROID["Clarke 1880 (IGN)",6378249.2,293.4660212936265,AUTHORITY["EPSG","7011"]],TOWGS84[-168,-60,320,0,0,0,0],AUTHORITY["EPSG","6807"]],PRIMEM["Paris",2.33722917,AUTHORITY["EPSG","8903"]],UNIT["grad",0.01570796326794897,AUTHORITY["EPSG","9105"]],AUTHORITY["EPSG","4807"]],PROJECTION["Lambert_Conformal_Conic_1SP"],PARAMETER["latitude_of_origin",55],PARAMETER["central_meridian",0],PARAMETER["scale_factor",0.999877341],PARAMETER["false_easting",600000],PARAMETER["false_northing",1200000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","27571"]]