Geodesy, engineering survey.
No gravity corrections applied.
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Ostend height", VDATUM["Ostend"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey."], AREA["Belgium - onshore."], BBOX[49.5,2.5,51.51,6.4]], ID["EPSG",5710]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Ostend height", "datum": { "type": "VerticalReferenceFrame", "name": "Ostend" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey.", "area": "Belgium - onshore.", "bbox": { "south_latitude": 49.5, "west_longitude": 2.5, "north_latitude": 51.51, "east_longitude": 6.4 }, "id": { "authority": "EPSG", "code": 5710 } }
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 ( 5710, 'EPSG', 5710, '+vunits=m +no_defs +type=crs', 'VERT_CS["Ostend height",VERT_DATUM["Ostend",2005,AUTHORITY["EPSG","5110"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5710"]]');