| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'VerticalCRS','name':'NAVD88 height (ft)','datum':{'type':'VerticalReferenceFra (...)me','name':'North American Vertical Datum 1988'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':{'type':'LinearUnit','name':'foot','conversion_factor':0.3048}}]},'scope':'Engineering survey, GIS, topographic mapping.','area':'United States (USA) - onshore - Arizona; Michigan; Montana; North Dakota; Oregon; South Carolina.','bbox':{'south_latitude':31.33,'west_longitude':-124.6,'north_latitude':49.01,'east_longitude':-78.52},'id':{'authority':'EPSG','code':8228}} |
| asWKT | VERTCRS['NAVD88 height (ft)',VDATUM['North American Vertical Datum 1988'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['foot',0.3048 (...)]],USAGE[SCOPE['Engineering survey, GIS, topographic mapping.'],AREA['United States (USA) - onshore - Arizona; Michigan; Montana; North Dakota; Oregon; South Carolina.'],BBOX[31.33,-124.6,49.01,-78.52]],ID['EPSG',8228]] |