Geodesy, engineering survey, topographic mapping.
Definition: OGC Well Known Text 2 (2019)
VERTCRS["IGN 1988 LS height", VDATUM["IGN 1988 LS"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Guadeloupe - onshore - Les Saintes."], BBOX[15.8,-61.68,15.94,-61.52]], ID["EPSG",5616]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "IGN 1988 LS height", "datum": { "type": "VerticalReferenceFrame", "name": "IGN 1988 LS" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Guadeloupe - onshore - Les Saintes.", "bbox": { "south_latitude": 15.8, "west_longitude": -61.68, "north_latitude": 15.94, "east_longitude": -61.52 }, "id": { "authority": "EPSG", "code": 5616 } }
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 ( 5616, 'EPSG', 5616, '+vunits=m +no_defs +type=crs', 'VERT_CS["IGN 1988 LS height",VERT_DATUM["IGN 1988 LS",2005,AUTHORITY["EPSG","5210"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5616"]]');