metre
EPSG
NSGI: Netherlands partnership of Kadaster, Rijkswaterstaat and Hydrographic Service, http://www.nsgi.nl/
2023-07-17
Hydrography, drilling, offshore engineering.
53.55 4.87
51.32 2.53
55.77 7.21
2.53 51.32
7.21 55.77
Definition: OGC Well Known Text 2 (2019)
VERTCRS["MSL NL depth", VDATUM["Mean Sea Level Netherlands"], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Hydrography, drilling, offshore engineering."], AREA["Netherlands - offshore North Sea and nearshore."], BBOX[51.32,2.53,55.77,7.21]], ID["EPSG",9288]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "MSL NL depth", "datum": { "type": "VerticalReferenceFrame", "name": "Mean Sea Level Netherlands" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "scope": "Hydrography, drilling, offshore engineering.", "area": "Netherlands - offshore North Sea and nearshore.", "bbox": { "south_latitude": 51.32, "west_longitude": 2.53, "north_latitude": 55.77, "east_longitude": 7.21 }, "id": { "authority": "EPSG", "code": 9288 } }
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 ( 9288, 'EPSG', 9288, '+vunits=m +no_defs +type=crs', 'VERT_CS["MSL NL depth",VERT_DATUM["Mean Sea Level Netherlands",2005,AUTHORITY["EPSG","1270"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Depth",DOWN],AUTHORITY["EPSG","9288"]]');