| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'ProjectedCRS','name':'Astro DOS 71 / SHLG71','base_crs':{'name':'Astro DOS 71' (...),'datum':{'type':'GeodeticReferenceFrame','name':'Astro DOS 71','ellipsoid':{'name':'International 1924','semi_major_axis':6378388,'inverse_flattening':297}},'coordinate_system':{'subtype':'ellipsoidal','axis':[{'name':'Geodetic latitude','abbreviation':'Lat','direction':'north','unit':'degree'},{'name':'Geodetic longitude','abbreviation':'Lon','direction':'east','unit':'degree'}]},'id':{'authority':'EPSG','code':4710}},'conversion':{'name':'St. Helena Local Grid 1971','method':{'name':'Transverse Mercator','id':{'authority':'EPSG','code':9807}},'parameters':[{'name':'Latitude of natural origin','value':-15.9666666666667,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-5.71666666666667,'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':300000,'unit':'metre','id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':2000000,'unit':'metre','id':{'authority':'EPSG','code':8807}}]},'coordinate_system':{'subtype':'Cartesian','axis':[{'name':'Easting','abbreviation':'E','direction':'east','unit':'metre'},{'name':'Northing','abbreviation':'N','direction':'north','unit':'metre'}]},'scope':'Topographic mapping.','area':'St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.','bbox':{'south_latitude':-16.08,'west_longitude':-5.85,'north_latitude':-15.85,'east_longitude':-5.58},'id':{'authority':'EPSG','code':7877}} |
| asWKT | PROJCRS['Astro DOS 71 / SHLG71',BASEGEOGCRS['Astro DOS 71',DATUM['Astro DOS 71',ELLIPSOID['International 1924',6378388,297,LENGTHUNIT['metre',1]]],PRI (...)MEM['Greenwich',0,ANGLEUNIT['degree',0.0174532925199433]],ID['EPSG',4710]],CONVERSION['St. Helena Local Grid 1971',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',-15.9666666666667,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-5.71666666666667,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',1,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',300000,LENGTHUNIT['metre',1],ID['EPSG',8806]],PARAMETER['False northing',2000000,LENGTHUNIT['metre',1],ID['EPSG',8807]]],CS[Cartesian,2],AXIS['(E)',east,ORDER[1],LENGTHUNIT['metre',1]],AXIS['(N)',north,ORDER[2],LENGTHUNIT['metre',1]],USAGE[SCOPE['Topographic mapping.'],AREA['St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.'],BBOX[-16.08,-5.85,-15.85,-5.58]],ID['EPSG',7877]] |