metre
MOMRA Vertical Geodetic Control
EPSG
EuroGeographics, http://crs.bkg.bund.de/crs-eu/
2018-08-29
Geodesy, cadastre, engineering survey, topographic mapping.
Definition: OGC Well Known Text 2 (2019)
VERTCRS["MVGC height", VDATUM["MOMRA Vertical Geodetic Control"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, cadastre, engineering survey, topographic mapping."], AREA["Saudi Arabia - onshore."], BBOX[16.37,34.51,32.16,55.67]], ID["EPSG",8841]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "MVGC height", "datum": { "type": "VerticalReferenceFrame", "name": "MOMRA Vertical Geodetic Control" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, cadastre, engineering survey, topographic mapping.", "area": "Saudi Arabia - onshore.", "bbox": { "south_latitude": 16.37, "west_longitude": 34.51, "north_latitude": 32.16, "east_longitude": 55.67 }, "id": { "authority": "EPSG", "code": 8841 } }
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 ( 8841, 'EPSG', 8841, '+vunits=m +no_defs +type=crs', 'VERT_CS["MVGC height",VERT_DATUM["MOMRA Vertical Geodetic Control",2005,AUTHORITY["EPSG","1219"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8841"]]');