metre
EPSG
General Directorate of Land, http://www.dgterritorio.pt/
2013-03-25
Geodesy, engineering survey, topographic mapping.
37.11 -24.99
36.87 -25.26
37.34 -24.72
-25.26 36.87
-24.72 37.34
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Cais da Vila do Porto height", VDATUM["Cais da Vila do Porto"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey, topographic mapping."], AREA["Portugal - eastern Azores onshore - Santa Maria, Formigas."], BBOX[36.87,-25.26,37.34,-24.72]], ID["EPSG",6186]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Cais da Vila do Porto height", "datum": { "type": "VerticalReferenceFrame", "name": "Cais da Vila do Porto" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Portugal - eastern Azores onshore - Santa Maria, Formigas.", "bbox": { "south_latitude": 36.87, "west_longitude": -25.26, "north_latitude": 37.34, "east_longitude": -24.72 }, "id": { "authority": "EPSG", "code": 6186 } }
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 ( 6186, 'EPSG', 6186, '+vunits=m +no_defs +type=crs', 'VERT_CS["Cais da Vila do Porto height",VERT_DATUM["Cais da Vila do Porto",2005,AUTHORITY["EPSG","1109"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6186"]]');