South China Sea Lambert: Lambert Conic Conformal (2SP)

Description: comment:Originally defined with FN=500000 at true origin. This is at 21° 00' 37.0619'N. But operators assumed that it was at 21°N exactly. Thus by common practice Nf=500000 at 21°N exactly. The potential ambiguity is 1138m.

Property	Value
accuracy	-1.0 (xmls:double)
area_of_use	China - offshore South China Sea - Pearl River basin. (geoepsg:South_China_Sea_Lambert_area_of_use)
asProj4	+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=lcc +lat_0=21 +lon_0=114 +lat_1=18 +lat_2=24 (...) +x_0=500000 +y_0=500000 +ellps=WGS72 (geocrs:projLiteral)
asProjJSON	{'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'Conversion','name':'South China Sea Lambert','method':{'name':'Lambert Conic C (...) onformal (2SP)','id':{'authority':'EPSG','code':9802}},'parameters':[{'name':'Latitude of false origin','value':21,'unit':'degree','id':{'authority':'EPSG','code':8821}},{'name':'Longitude of false origin','value':114,'unit':'degree','id':{'authority':'EPSG','code':8822}},{'name':'Latitude of 1st standard parallel','value':18,'unit':'degree','id':{'authority':'EPSG','code':8823}},{'name':'Latitude of 2nd standard parallel','value':24,'unit':'degree','id':{'authority':'EPSG','code':8824}},{'name':'Easting at false origin','value':500000,'unit':'metre','id':{'authority':'EPSG','code':8826}},{'name':'Northing at false origin','value':500000,'unit':'metre','id':{'authority':'EPSG','code':8827}}],'id':{'authority':'EPSG','code':19863}} (geocrs:projJSONLiteral)
asWKT	CONVERSION['South China Sea Lambert',METHOD['Lambert Conic Conformal (2SP)',ID['EPSG',9802]],PARAMETER['Latitude of false origin',21,ANGLEUNIT['degree (...) ',0.0174532925199433],ID['EPSG',8821]],PARAMETER['Longitude of false origin',114,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8822]],PARAMETER['Latitude of 1st standard parallel',18,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8823]],PARAMETER['Latitude of 2nd standard parallel',24,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8824]],PARAMETER['Easting at false origin',500000,LENGTHUNIT['metre',1],ID['EPSG',8826]],PARAMETER['Northing at false origin',500000,LENGTHUNIT['metre',1],ID['EPSG',8827]],ID['EPSG',19863]] (geocrs:wktLiteral)
has_ballpark_transformation	false (xmls:boolean)
method_name	Lambert Conic Conformal (2SP) (xsd:string)
parameter	6 values Easting at false origin (geoepsg:South_China_Sea_Lambert_eastingAtFalseOrigin) [500000.0 om:metre] Latitude of 1st standard parallel (geoepsg:South_China_Sea_Lambert_latitudeOf1StStandardParallel) [18.0 om:degree] Latitude of 2nd standard parallel (geoepsg:South_China_Sea_Lambert_latitudeOf2NdStandardParallel) [24.0 om:degree] Latitude of false origin (geoepsg:South_China_Sea_Lambert_latitudeOfFalseOrigin) [21.0 om:degree] Longitude of false origin (geoepsg:South_China_Sea_Lambert_longitudeOfFalseOrigin) [114.0 om:degree] Northing at false origin (geoepsg:South_China_Sea_Lambert_northingAtFalseOrigin) [500000.0 om:metre]
usage	Oil and gas exploration and production (xmls:string)
type (rdf:type)	central cylindrical projection (geoepsg:CentralCylindricalProjection)
comment (rdfs:comment)	Originally defined with FN=500000 at true origin. This is at 21° 00' 37.0619'N. But operators assumed that it was at 21°N exactly. Thus by common prac (...) tice Nf=500000 at 21°N exactly. The potential ambiguity is 1138m. (xmls:string)
label (rdfs:label)	South China Sea Lambert: Lambert Conic Conformal (2SP) (rdf:langString) (iso6391:en)
Is coordinate operation of	WGS 72BE / South China Sea Lambert (geoepsg:3415)

South China Sea Lambert: Lambert Conic Conformal (2SP)

Metadata