Change of depth to a different vertical reference surface.
The AIOC95 vertical reference surface is 1.7m above the Caspian vertical reference surface.
Azerbaijan - Caspian offshore and onshore Sangachal terminal.
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["AIOC95 depth to Caspian depth (1)", VERSION["AIOC95-Aze"], SOURCECRS[ VERTCRS["AIOC95 depth", VDATUM["AIOC 1995"], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], ID["EPSG",5734]]], TARGETCRS[ VERTCRS["Caspian depth", VDATUM["Caspian Sea"], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], ID["EPSG",5706]]], METHOD["Vertical Offset", ID["EPSG",9616]], PARAMETER["Vertical Offset",-1.7, LENGTHUNIT["metre",1], ID["EPSG",8603]], OPERATIONACCURACY[0.0], USAGE[ SCOPE["Change of depth to a different vertical reference surface."], AREA["Azerbaijan - Caspian offshore and onshore Sangachal terminal."], BBOX[37.89,48.66,42.59,51.73]], ID["EPSG",5403], REMARK["The AIOC95 vertical reference surface is 1.7m above the Caspian vertical reference surface."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "AIOC95 depth to Caspian depth (1)", "source_crs": { "type": "VerticalCRS", "name": "AIOC95 depth", "datum": { "type": "VerticalReferenceFrame", "name": "AIOC 1995" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5734 } }, "target_crs": { "type": "VerticalCRS", "name": "Caspian depth", "datum": { "type": "VerticalReferenceFrame", "name": "Caspian Sea" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5706 } }, "method": { "name": "Vertical Offset", "id": { "authority": "EPSG", "code": 9616 } }, "parameters": [ { "name": "Vertical Offset", "value": -1.7, "unit": "metre", "id": { "authority": "EPSG", "code": 8603 } } ], "accuracy": "0.0", "scope": "Change of depth to a different vertical reference surface.", "area": "Azerbaijan - Caspian offshore and onshore Sangachal terminal.", "bbox": { "south_latitude": 37.89, "west_longitude": 48.66, "north_latitude": 42.59, "east_longitude": 51.73 }, "id": { "authority": "EPSG", "code": 5403 }, "remarks": "The AIOC95 vertical reference surface is 1.7m above the Caspian vertical reference surface." }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=geogoffset +dh=-1.7"> <Layer srs="+proj=geogoffset +dh=-1.7"> </Layer> </Map>