metre
EPSG
National Geographic Institute of Spain (IGN), http://www.ign.es
2020-06-27
Geodesy, engineering survey, topographic mapping.
28.11 -17.21
27.95 -17.39
28.26 -17.03
-17.39 27.95
-17.03 28.26
Definition: OGC Well Known Text 2 (2019)
VERTCRS["La Gomera height", VDATUM["La Gomera"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Spain - Canary Islands - La Gomera onshore."], BBOX[27.95,-17.39,28.26,-17.03]], ID["EPSG",9399]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "La Gomera height", "datum": { "type": "VerticalReferenceFrame", "name": "La Gomera" }, "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 Gomera onshore.", "bbox": { "south_latitude": 27.95, "west_longitude": -17.39, "north_latitude": 28.26, "east_longitude": -17.03 }, "id": { "authority": "EPSG", "code": 9399 } }
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 ( 9399, 'EPSG', 9399, '+vunits=m +no_defs +type=crs', 'VERT_CS["La Gomera height",VERT_DATUM["La Gomera",2005,AUTHORITY["EPSG","1282"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","9399"]]');