Change of height to a different vertical reference surface.
Construction datum is 0.49m below PWD datum.
Kuwait - onshore and offshore.
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["KOC CD to Kuwait PWD (1)", VERSION["KOC-Kwt"], SOURCECRS[ VERTCRS["KOC CD height", VDATUM["KOC Construction Datum"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5790]]], TARGETCRS[ VERTCRS["Kuwait PWD height", VDATUM["Kuwait PWD"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5788]]], METHOD["Vertical Offset", ID["EPSG",9616]], PARAMETER["Vertical Offset",0.49, LENGTHUNIT["metre",1], ID["EPSG",8603]], OPERATIONACCURACY[0.1], USAGE[ SCOPE["Change of height to a different vertical reference surface."], AREA["Kuwait - onshore and offshore."], BBOX[28.53,46.54,30.09,49.53]], ID["EPSG",5412], REMARK["Construction datum is 0.49m below PWD datum."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "KOC CD to Kuwait PWD (1)", "source_crs": { "type": "VerticalCRS", "name": "KOC CD height", "datum": { "type": "VerticalReferenceFrame", "name": "KOC Construction Datum" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5790 } }, "target_crs": { "type": "VerticalCRS", "name": "Kuwait PWD height", "datum": { "type": "VerticalReferenceFrame", "name": "Kuwait PWD" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5788 } }, "method": { "name": "Vertical Offset", "id": { "authority": "EPSG", "code": 9616 } }, "parameters": [ { "name": "Vertical Offset", "value": 0.49, "unit": "metre", "id": { "authority": "EPSG", "code": 8603 } } ], "accuracy": "0.1", "scope": "Change of height to a different vertical reference surface.", "area": "Kuwait - onshore and offshore.", "bbox": { "south_latitude": 28.53, "west_longitude": 46.54, "north_latitude": 30.09, "east_longitude": 49.53 }, "id": { "authority": "EPSG", "code": 5412 }, "remarks": "Construction datum is 0.49m below PWD datum." }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=geogoffset +dh=0.49"> <Layer srs="+proj=geogoffset +dh=0.49"> </Layer> </Map>