metre
EPSG
National Geographic Institute of Spain (IGN), http://www.ign.es
2020-06-27
Geodesy, engineering survey, topographic mapping.
28.65 -17.86
28.4 -18.06
28.9 -17.66
-18.06 28.4
-17.66 28.9
Definition: OGC Well Known Text 2 (2019)
VERTCRS["La Palma height", VDATUM["La Palma"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Spain - Canary Islands - La Palma onshore."], BBOX[28.4,-18.06,28.9,-17.66]], ID["EPSG",9400]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "La Palma height", "datum": { "type": "VerticalReferenceFrame", "name": "La Palma" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Spain - Canary Islands - La Palma onshore.", "bbox": { "south_latitude": 28.4, "west_longitude": -18.06, "north_latitude": 28.9, "east_longitude": -17.66 }, "id": { "authority": "EPSG", "code": 9400 } }
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 ( 9400, 'EPSG', 9400, '+vunits=m +no_defs +type=crs', 'VERT_CS["La Palma height",VERT_DATUM["La Palma",2005,AUTHORITY["EPSG","1283"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9400"]]');