Unit: metre
Geodetic CRS: Cais da Vila - Porto Santo height
Datum: Cais da Vila - Porto Santo
Data source: EPSG
Information source: General Directorate of Land, http://www.dgterritorio.pt/
Revision date: 2013-03-15
Scope: Geodesy, engineering survey, topographic mapping.
Area of use: Portugal - Porto Santo island (Madeira archipelago) onshore.
Coordinate system: Vertical CS. Axis: height (H). Orientation: up. UoM: m.
Center coordinates
33.05 -16.34
Projected bounds:
32.96 -16.44
33.15 -16.23
WGS84 bounds:
-16.44 32.96
-16.23 33.15
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json", "type": "VerticalCRS", "name": "Cais da Vila - Porto Santo height", "datum": { "type": "VerticalReferenceFrame", "name": "Cais da Vila - Porto Santo" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey, topographic mapping.", "area": "Portugal - Porto Santo island (Madeira archipelago) onshore.", "bbox": { "south_latitude": 32.96, "west_longitude": -16.44, "north_latitude": 33.15, "east_longitude": -16.23 }, "id": { "authority": "EPSG", "code": 6179 } }
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 ( 6179, 'EPSG', 6179, '+vunits=m +no_defs +type=crs', 'VERT_CS["Cais da Vila - Porto Santo height",VERT_DATUM["Cais da Vila - Porto Santo",2005],UNIT["metre",1],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","6179"]]');
Definition: OGC WKT 2 (2019)
VERTCRS["Cais da Vila - Porto Santo height",VDATUM["Cais da Vila - Porto Santo"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["Portugal - Porto Santo island (Madeira archipelago) onshore."],BBOX[32.96,-16.44,33.15,-16.23]],ID["EPSG",6179]]