Geodesy, engineering survey, topographic mapping.
-46.48 168.44
-46.71 168.01
-46.26 168.86
168.01 -46.71
168.86 -46.26
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Bluff 1955 height", VDATUM["Bluff 1955"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["New Zealand - South Island - Bluff vertical CRS area."], BBOX[-46.71,168.01,-46.26,168.86]], ID["EPSG",5760]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Bluff 1955 height", "datum": { "type": "VerticalReferenceFrame", "name": "Bluff 1955" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "New Zealand - South Island - Bluff vertical CRS area.", "bbox": { "south_latitude": -46.71, "west_longitude": 168.01, "north_latitude": -46.26, "east_longitude": 168.86 }, "id": { "authority": "EPSG", "code": 5760 } }
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 ( 5760, 'EPSG', 5760, '+vunits=m +no_defs +type=crs', 'VERT_CS["Bluff 1955 height",VERT_DATUM["Bluff 1955",2005,AUTHORITY["EPSG","5158"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5760"]]');