metre
EPSG
OSG Technical Report #10, February 2001.
2011-01-25
Geodesy, engineering survey, topographic mapping.
-40.89 175.54
-41.67 174.52
-40.12 176.55
174.52 -41.67
176.55 -40.12
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Wellington 1953 height", VDATUM["Wellington 1953"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["New Zealand - North Island - Wellington vertical CRS area."], BBOX[-41.67,174.52,-40.12,176.55]], ID["EPSG",5770]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Wellington 1953 height", "datum": { "type": "VerticalReferenceFrame", "name": "Wellington 1953" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "New Zealand - North Island - Wellington vertical CRS area.", "bbox": { "south_latitude": -41.67, "west_longitude": 174.52, "north_latitude": -40.12, "east_longitude": 176.55 }, "id": { "authority": "EPSG", "code": 5770 } }
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 ( 5770, 'EPSG', 5770, '+vunits=m +no_defs +type=crs', 'VERT_CS["Wellington 1953 height",VERT_DATUM["Wellington 1953",2005,AUTHORITY["EPSG","5168"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5770"]]');