Geodesy, engineering survey, topographic mapping.
-36.89 175.08
-37.67 174.0
-36.12 176.17
174.0 -37.67
176.17 -36.12
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Auckland 1946 height", VDATUM["Auckland 1946"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["New Zealand - North Island - Auckland vertical CRS area."], BBOX[-37.67,174,-36.12,176.17]], ID["EPSG",5759]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Auckland 1946 height", "datum": { "type": "VerticalReferenceFrame", "name": "Auckland 1946" }, "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 - Auckland vertical CRS area.", "bbox": { "south_latitude": -37.67, "west_longitude": 174, "north_latitude": -36.12, "east_longitude": 176.17 }, "id": { "authority": "EPSG", "code": 5759 } }
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 ( 5759, 'EPSG', 5759, '+vunits=m +no_defs +type=crs', 'VERT_CS["Auckland 1946 height",VERT_DATUM["Auckland 1946",2005,AUTHORITY["EPSG","5157"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5759"]]');