| asProjJSON | {'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'VerticalCRS','name':'NGG1977 height','datum':{'type':'VerticalReferenceFrame', (...)'name':'Nivellement General Guyanais 1977'},'coordinate_system':{'subtype':'vertical','axis':[{'name':'Gravity-related height','abbreviation':'H','direction':'up','unit':'metre'}]},'scope':'Geodesy, engineering survey, topographic mapping.','area':'French Guiana - onshore.','bbox':{'south_latitude':2.11,'west_longitude':-54.61,'north_latitude':5.81,'east_longitude':-51.61},'id':{'authority':'EPSG','code':5755}} |
| asWKT | VERTCRS['NGG1977 height',VDATUM['Nivellement General Guyanais 1977'],CS[vertical,1],AXIS['gravity-related height (H)',up,LENGTHUNIT['metre',1]],USAGE[ (...)SCOPE['Geodesy, engineering survey, topographic mapping.'],AREA['French Guiana - onshore.'],BBOX[2.11,-54.61,5.81,-51.61]],ID['EPSG',5755]] |