metre
Nivellement General de l'Algerie 2022
EPSG
Decree of 10 November 2022 published in Journal Officiel de la Republique Algerienne N° 80 dated 30 November 2022 pp13-15.
2023-03-01
Spatial referencing.
In practice realised by application of geoid model recommended by the Institut National de Cartographie et de Télédétection (INCT) to WGS 84 ellipsoidal heights.
Definition: OGC Well Known Text
VERT_CS["NGA 2022 height", VERT_DATUM["Nivellement General de l'Algerie 2022",2005, AUTHORITY["EPSG","1354"]], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Gravity-related height",UP], AUTHORITY["EPSG","10190"]]
Definition: OGC Well Known Text 2 (2019)
VERTCRS["NGA 2022 height", VDATUM["Nivellement General de l'Algerie 2022"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Spatial referencing."], AREA["Algeria - onshore."], BBOX[18.97,-8.67,37.14,11.99]], ID["EPSG",10190]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "NGA 2022 height", "datum": { "type": "VerticalReferenceFrame", "name": "Nivellement General de l'Algerie 2022" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Spatial referencing.", "area": "Algeria - onshore.", "bbox": { "south_latitude": 18.97, "west_longitude": -8.67, "north_latitude": 37.14, "east_longitude": 11.99 }, "id": { "authority": "EPSG", "code": 10190 } }
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 ( 10190, 'EPSG', 10190, '+vunits=m +no_defs +type=crs', 'VERT_CS["NGA 2022 height",VERT_DATUM["Nivellement General de l'Algerie 2022",2005,AUTHORITY["EPSG","1354"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","10190"]]');