metre
EPSG
Interim Report GEO/T1/19/51 for LINZ by John Hannah, "An Assessment of New Zealand's Height Systems and Options for a Future Height System", January 2001.
2008-04-04
Geodesy, engineering survey, topographic mapping.
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Stewart Island 1977 height", VDATUM["Stewart Island 1977"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["New Zealand - Stewart Island."], BBOX[-47.33,167.29,-46.63,168.34]], ID["EPSG",5772]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Stewart Island 1977 height", "datum": { "type": "VerticalReferenceFrame", "name": "Stewart Island 1977" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "New Zealand - Stewart Island.", "bbox": { "south_latitude": -47.33, "west_longitude": 167.29, "north_latitude": -46.63, "east_longitude": 168.34 }, "id": { "authority": "EPSG", "code": 5772 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+vunits=m +no_defs +type=crs"> <Layer srs="+vunits=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5772, 'EPSG', 5772, '+vunits=m +no_defs +type=crs', 'VERT_CS["Stewart Island 1977 height",VERT_DATUM["Stewart Island 1977",2005,AUTHORITY["EPSG","5170"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5772"]]');