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PropertyValue
area_of_useFrance mainland onshore north of 53.5 grads North (48°09'N). (geoepsg:27571_area_of_use)
asProj4+proj=lcc +lat_1=49.5 +lat_0=49.5 +lon_0=0 +k_0=0.999877341 +x_0=600000 +y_0=1200000 +ellps=clrk80ign +pm=paris +units=m +no_defs +type=crs (geocrs:projLiteral)
asProjJSON
{'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'ProjectedCRS','name':'NTF (Paris) / Lambert zone I','base_crs':{'name':'NTF (P (...)aris)','datum':{'type':'GeodeticReferenceFrame','name':'Nouvelle Triangulation Francaise (Paris)','ellipsoid':{'name':'Clarke 1880 (IGN)','semi_major_axis':6378249.2,'semi_minor_axis':6356515},'prime_meridian':{'name':'Paris','longitude':{'value':2.5969213,'unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489}}}},'coordinate_system':{'subtype':'ellipsoidal','axis':[{'name':'Geodetic latitude','abbreviation':'Lat','direction':'north','unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489}},{'name':'Geodetic longitude','abbreviation':'Lon','direction':'east','unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489}}]},'id':{'authority':'EPSG','code':4807}},'conversion':{'name':'Lambert zone I','method':{'name':'Lambert Conic Conformal (1SP)','id':{'authority':'EPSG','code':9801}},'parameters':[{'name':'Latitude of natural origin','value':55,'unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489},'id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':0,'unit':{'type':'AngularUnit','name':'grad','conversion_factor':0.0157079632679489},'id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':0.999877341,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':600000,'unit':'metre','id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':1200000,'unit':'metre','id':{'authority':'EPSG','code':8807}}]},'coordinate_system':{'subtype':'Cartesian','axis':[{'name':'Easting','abbreviation':'X','direction':'east','unit':'metre'},{'name':'Northing','abbreviation':'Y','direction':'north','unit':'metre'}]},'scope':'Engineering survey, topographic mapping.','area':'France mainland onshore north of 53.5 grads North (48°09'N).','bbox':{'south_latitude':48.14,'west_longitude':-4.87,'north_latitude':51.14,'east_longitude':8.23},'id':{'authority':'EPSG','code':27571}}
(geocrs:projJSONLiteral)
asWKT
PROJCRS['NTF (Paris) / Lambert zone I',BASEGEOGCRS['NTF (Paris)',DATUM['Nouvelle Triangulation Francaise (Paris)',ELLIPSOID['Clarke 1880 (IGN)',637824 (...)9.2,293.466021293627,LENGTHUNIT['metre',1]]],PRIMEM['Paris',2.5969213,ANGLEUNIT['grad',0.0157079632679489]],ID['EPSG',4807]],CONVERSION['Lambert zone I',METHOD['Lambert Conic Conformal (1SP)',ID['EPSG',9801]],PARAMETER['Latitude of natural origin',55,ANGLEUNIT['grad',0.0157079632679489],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',0,ANGLEUNIT['grad',0.0157079632679489],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',0.999877341,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',600000,LENGTHUNIT['metre',1],ID['EPSG',8806]],PARAMETER['False northing',1200000,LENGTHUNIT['metre',1],ID['EPSG',8807]]],CS[Cartesian,2],AXIS['easting (X)',east,ORDER[1],LENGTHUNIT['metre',1]],AXIS['northing (Y)',north,ORDER[2],LENGTHUNIT['metre',1]],USAGE[SCOPE['Engineering survey, topographic mapping.'],AREA['France mainland onshore north of 53.5 grads North (48°09'N).'],BBOX[48.14,-4.87,51.14,8.23]],ID['EPSG',27571]]
(geocrs:wktLiteral)
coordinate operationLambert zone I: Lambert Conic Conformal (1SP) (geoepsg:Lambert_zone_I)
coordinate systemEPSG:27571 CS: cartesian (geoepsg:27571_cs)
datumDatum: Nouvelle Triangulation Francaise (Paris) (geoepsg:Nouvelle_Triangulation_Francaise__Paris_)
epsgCodeEPSG:27571 (xmls:string)
isApplicableToEarth (geoepsg:Earth)
isBoundfalse (xmls:boolean)
isGeocentricfalse (xmls:boolean)
isGeographicfalse (xmls:boolean)
isProjectedtrue (xmls:boolean)
isVerticalfalse (xmls:boolean)
source CRSNTF (Paris) (geoepsg:4807)
usage
type (rdf:type) projected coordinate reference system (geoepsg:ProjectedCRS)
label (rdfs:label) NTF (Paris) / Lambert zone I (rdf:langString) (iso6391:en)
Is includes srs ofNTF (Paris) / Lambert zone I + NGF-IGN69 height (geoepsg:5707)
Metadata
PropertyValue
inDataset (void:inDataset) geoepsg_dataset (geoepsg:geoepsg_dataset) [466048 geocrs:PlanarCoordinateSystem]