| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'CompoundCRS','name':'NAD27 + NGVD29 height (ftUS)','components':[{'type':'Geog (...)raphicCRS','name':'NAD27','datum':{'type':'GeodeticReferenceFrame','name':'North American Datum 1927','ellipsoid':{'name':'Clarke 1866','semi_major_axis':6378206.4,'semi_minor_axis':6356583.8}},'coordinate_system':{'subtype':'ellipsoidal','axis':[{'name':'Geodetic latitude','abbreviation':'Lat','direction':'north','unit':'degree'},{'name':'Geodetic longitude','abbreviation':'Lon','direction':'east','unit':'degree'}]}},{'type':'VerticalCRS','name':'NGVD29 height (ftUS)','datum':{'type':'VerticalReferenceFrame','name':'National Geodetic Vertical Datum 1929'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219}}]}}],'scope':'Engineering survey, topographic mapping.','area':'United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming.','bbox':{'south_latitude':24.41,'west_longitude':-124.79,'north_latitude':49.38,'east_longitude':-66.91},'id':{'authority':'EPSG','code':7406}} |
| asWKT | COMPOUNDCRS['NAD27 + NGVD29 height (ftUS)',GEOGCRS['NAD27',DATUM['North American Datum 1927',ELLIPSOID['Clarke 1866',6378206.4,294.978698213898,LENGTH (...)UNIT['metre',1]]],PRIMEM['Greenwich',0,ANGLEUNIT['degree',0.0174532925199433]],CS[ellipsoidal,2],AXIS['geodetic latitude (Lat)',north,ORDER[1],ANGLEUNIT['degree',0.0174532925199433]],AXIS['geodetic longitude (Lon)',east,ORDER[2],ANGLEUNIT['degree',0.0174532925199433]]],VERTCRS['NGVD29 height (ftUS)',VDATUM['National Geodetic Vertical Datum 1929'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['US survey foot',0.304800609601219]]],USAGE[SCOPE['Engineering survey, topographic mapping.'],AREA['United States (USA) - CONUS onshore - Alabama; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming.'],BBOX[24.41,-124.79,49.38,-66.91]],ID['EPSG',7406]] |