metre
EPSG
Survey Department, Ministry of Water Resources (MoWR).
2010-03-01
Geodesy, engineering survey.
Replaces Fao height (CRS code 5751) for national map agency work in Iraq. At time of record creation some irrigation project data still referenced to Fao. Usage in oil industry is uncertain.
Definition: OGC Well Known Text 2 (2019)
VERTCRS["Fao 1979 height", VDATUM["Fao 1979"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Geodesy, engineering survey."], AREA["Iraq - onshore."], BBOX[29.06,38.79,37.39,48.61]], ID["EPSG",3886]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "Fao 1979 height", "datum": { "type": "VerticalReferenceFrame", "name": "Fao 1979" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "scope": "Geodesy, engineering survey.", "area": "Iraq - onshore.", "bbox": { "south_latitude": 29.06, "west_longitude": 38.79, "north_latitude": 37.39, "east_longitude": 48.61 }, "id": { "authority": "EPSG", "code": 3886 } }
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 ( 3886, 'EPSG', 3886, '+vunits=m +no_defs +type=crs', 'VERT_CS["Fao 1979 height",VERT_DATUM["Fao 1979",2005,AUTHORITY["EPSG","1028"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","3886"]]');