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Description: comment:Per Snyder: Map Projections - a Working Manual: At origin x=500000 ft; y=0 but radius to latitude of origin = -82000000 feet. Thus False Northing = 312234.65 ftUS. NGS confirms value of FN, which is encoded within their algorithms but not published.

PropertyValue
accuracy-1.0 (xmls:double)
area_of_useAmerican Samoa - onshore and offshore. (geoepsg:American_Samoa_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_1=-14.2666666666667 +lat_0=-14.2666 (...)666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +step +proj=unitconvert +xy_in=m +xy_out=us-ft
    (geocrs:projLiteral)
  • +proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666 (...)666666667 +lon_0=-170 +k_0=1 +x_0=152400.30480061 +y_0=95169.3116586233 +ellps=clrk66 +step +proj=unitconvert +xy_in=m +xy_out=us-ft
    (geocrs:projLiteral)
  • +proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=lcc +lat_1=-14.2666666666667 +lat_0=-14.2666 (...)666666667 +lon_0=170 +k_0=1 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +step +proj=unitconvert +xy_in=m +xy_out=us-ft
    (geocrs:projLiteral)
asProjJSON
  • {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'Conversion','name':'American Samoa Lambert','method':{'name':'Lambert Conic Co (...)nformal (1SP)','id':{'authority':'EPSG','code':9801}},'parameters':[{'name':'Latitude of natural origin','value':-14.2666666666667,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-170,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':1,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':500000,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':0,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8807}}],'id':{'authority':'EPSG','code':15301}}
    (geocrs:projJSONLiteral)
  • {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'Conversion','name':'American Samoa Lambert','method':{'name':'Lambert Conic Co (...)nformal (1SP)','id':{'authority':'EPSG','code':9801}},'parameters':[{'name':'Latitude of natural origin','value':-14.2666666666667,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-170,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':1,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':500000,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':312234.65,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8807}}],'id':{'authority':'EPSG','code':15376}}
    (geocrs:projJSONLiteral)
  • {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'Conversion','name':'American Samoa Lambert','method':{'name':'Lambert Conic Co (...)nformal (1SP)','id':{'authority':'EPSG','code':9801}},'parameters':[{'name':'Latitude of natural origin','value':-14.2666666666667,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':170,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':1,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':500000,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':0,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8807}}],'id':{'authority':'EPSG','code':15300}}
    (geocrs:projJSONLiteral)
asWKT
  • CONVERSION['American Samoa Lambert',METHOD['Lambert Conic Conformal (1SP)',ID['EPSG',9801]],PARAMETER['Latitude of natural origin',-14.2666666666667,A (...)NGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-170,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',500000,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8806]],PARAMETER['False northing',0,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8807]],ID['EPSG',15301]]
    (geocrs:wktLiteral)
  • CONVERSION['American Samoa Lambert',METHOD['Lambert Conic Conformal (1SP)',ID['EPSG',9801]],PARAMETER['Latitude of natural origin',-14.2666666666667,A (...)NGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-170,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',500000,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8806]],PARAMETER['False northing',312234.65,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8807]],ID['EPSG',15376]]
    (geocrs:wktLiteral)
  • CONVERSION['American Samoa Lambert',METHOD['Lambert Conic Conformal (1SP)',ID['EPSG',9801]],PARAMETER['Latitude of natural origin',-14.2666666666667,A (...)NGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',170,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',500000,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8806]],PARAMETER['False northing',0,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8807]],ID['EPSG',15300]]
    (geocrs:wktLiteral)
has_ballpark_transformationfalse (xmls:boolean)
method_nameLambert Conic Conformal (1SP) (xsd:string)
parameter
usage
type (rdf:type) central cylindrical projection (geoepsg:CentralCylindricalProjection)
comment (rdfs:comment)
  • Per Snyder: Map Projections - a Working Manual: At origin x=500000 ft; y=0 but radius to latitude of origin = -82000000 feet. Thus False Northing = 31 (...)2234.65 ftUS. NGS confirms value of FN, which is encoded within their algorithms but not published.
    (xmls:string)
  • Per Snyder: Map Projections - a Working Manual: At origin x=500000 ft; y=0 but radius to latitude of origin = -82000000 feet. US National Geodetic Sur (...)vey confirms value for False Northing.
    (xmls:string)
  • Per Snyder: Map Projections - a Working Manual: At origin x=500000 ft; y=o but radius to latitude of origin = -82000000 feet. US National Geodetic Sur (...)vey confirms use of zero for False Northing.
    (xmls:string)
label (rdfs:label) American Samoa Lambert: Lambert Conic Conformal (1SP) (rdf:langString) (iso6391:en)
Is coordinate operation of
Metadata
PropertyValue
inDataset (void:inDataset) geoepsg_dataset (geoepsg:geoepsg_dataset) [466048 geocrs:PlanarCoordinateSystem]