| type (rdf:type) | MercatorProjection (geosrs:MercatorProjection) [x] |
| comment (rdfs:comment) | This map projection is not formally recognised by the NGS because there is no State legislation for NAD83 defining the foot to be used. See code 10132 (...) for official metric definition. ftUS required by AL DOT and used by other professional practioners. |
| label (rdfs:label) | "SPCS83 Alabama West zone (US survey foot): Transverse Mercator (rdf:langString) (iso6391:en) |
| image (foaf:image) | https://situx.github.io/proj4rdf/projections/MercatorProjection.svg (xmls:anyURI) |
| accuracy (geosrs:accuracy) | -1.0 (xmls:double) |
| area_of_use (geosrs:area_of_use) | United States (USA) - Alabama west of approximately 86°37'W - counties Autauga; Baldwin; Bibb; Blount; Butler; Chilton; Choctaw; Clarke; Colbert; Conecuh; Cullman; Dallas; Escambia; Fayette; Franklin; Greene; Hale; Jefferson; Lamar; Lauderdale; Lawrence; Limestone; Lowndes; Marengo; Marion; Mobile; Monroe; Morgan; Perry; Pickens; Shelby; Sumter; Tuscaloosa; Walker; Washington; Wilcox; Winston. (geoepsg:SPCS83_Alabama_West_zone__US_survey_foot__area_of_use) |
| asProj4 (geosrs:asProj4) | +proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=tmerc +lat_0=30 +lon_0=-87.5 +k=0.999933333 +x_0=600000 +y_0=0 +ellps=GRS80 +step +proj=unitconvert +xy_in=m +xy_out=us-ft (xsd:string) |
| asProjJSON (geosrs:asProjJSON) | {'$schema':'https://proj.org/schemas/v0.7/projjson.schema.json','type':'Conversion','name':'SPCS83 Alabama West zone (US survey foot)','method':{'name':'Transverse Mercator','id':{'authority':'EPSG','code':9807}},'parameters':[{'name':'Latitude of natural origin','value':30,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-87.5,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':0.999933333,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':1968500,'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':9747}} (xsd:string) |
| asWKT (geosrs:asWKT) | CONVERSION['SPCS83 Alabama West zone (US survey foot)',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',30,ANGLEUN (...)IT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-87.5,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',0.999933333,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',1968500,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8806]],PARAMETER['False northing',0,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8807]],ID['EPSG',9747]] |
| False easting (geosrs:falseEasting) | 1968500.0 (xmls:double) |
| False northing (geosrs:falseNorthing) | 0.0 (xmls:double) |
| has_ballpark_transformation (geosrs:has_ballpark_transformation) | false (xmls:boolean) |
| Latitude of natural origin (geosrs:latitudeOfNaturalOrigin) | 30.0 (xmls:double) |
| Longitude of natural origin (geosrs:longitudeOfNaturalOrigin) | -87.5 (xmls:double) |
| method_name (geosrs:method_name) | Transverse Mercator (xsd:string) |
| Scale factor at natural origin (geosrs:scaleFactorAtNaturalOrigin) | 0.9999333 (xmls:double) |
| scope (geosrs:scope) | Engineering survey, topographic mapping. (xmls:string) |
| Is member (rdfs:member) of | MercatorProjection Instances Collection (geoepsg:MercatorProjection_collection) |
| Is conversion (geosrs:conversion) of | NAD83(2011) / Alabama West (ftUS) (geoepsg:9749) |
