metre
EPSG
General Directorate of Land, http://www.dgterritorio.pt/
2013-03-15
Geodesy, engineering survey, topographic mapping.
38.47 -28.3
38.32 -28.61
38.61 -27.98
-28.61 38.32
-27.98 38.61
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Cais da Madalena height", VDATUM["Cais da Madalena"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Portugal - central Azores - Pico island onshore."], BBOX[38.32,-28.61,38.61,-27.98]], ID["EPSG",6182]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Cais da Madalena height", "datum": { "type": "VerticalReferenceFrame", "name": "Cais da Madalena" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Portugal - central Azores - Pico island onshore.", "bbox": { "south_latitude": 38.32, "west_longitude": -28.61, "north_latitude": 38.61, "east_longitude": -27.98 }, "id": { "authority": "EPSG", "code": 6182 } }
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 ( 6182, 'EPSG', 6182, '+vunits=m +no_defs +type=crs', 'VERT_CS["Cais da Madalena height",VERT_DATUM["Cais da Madalena",2005,AUTHORITY["EPSG","1105"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6182"]]');