EPSG:5406 DEPRECATED

Belfast to Malin Head (1)

Attributes

Geodetic CRS: Belfast height

Datum: Belfast Lough

Data source: EPSG

Information source: "The Irish Grid - A Description of the Co-ordinate Reference System" published by Ordnance Survey of Ireland, Dublin and Ordnance Survey of Northern Ireland, Belfast.

Revision date: 2006-10-13

Scope: Engineering survey, topographic mapping (large scale).

Remarks: Belfast datum is 37mm below Malin Head datum.

Method: Vertical Offset

Area of use: Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.

Description: (0,)

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Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.

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Definition: OGC Well Known Text 2 (2019)

COORDINATEOPERATION["Belfast to Malin Head (1)",
    VERSION["OSNI-Gbr NI"],
    SOURCECRS[
        VERTCRS["Belfast height",
            VDATUM["Belfast Lough"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",5732]]],
    TARGETCRS[
        VERTCRS["Malin Head height",
            VDATUM["Malin Head"],
            CS[vertical,1],
                AXIS["gravity-related height (H)",up,
                    LENGTHUNIT["metre",1]],
            ID["EPSG",5731]]],
    METHOD["Vertical Offset",
        ID["EPSG",9616]],
    PARAMETER["Vertical Offset",0.037,
        LENGTHUNIT["metre",1],
        ID["EPSG",8603]],
    OPERATIONACCURACY[0.01],
    USAGE[
        SCOPE["Engineering survey, topographic mapping (large scale)."],
        AREA["Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore."],
        BBOX[51.39,-10.56,55.43,-5.34]],
    ID["EPSG",5406],
    REMARK["Belfast datum is 37mm below Malin Head datum."]]

Definition: PROJ.4

+proj=geogoffset +dh=0.037

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:5406","+proj=geogoffset +dh=0.037");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "Transformation",
    "name": "Belfast to Malin Head (1)",
    "source_crs": {
        "type": "VerticalCRS",
        "name": "Belfast height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Belfast Lough"
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5732
        }
    },
    "target_crs": {
        "type": "VerticalCRS",
        "name": "Malin Head height",
        "datum": {
            "type": "VerticalReferenceFrame",
            "name": "Malin Head"
        },
        "coordinate_system": {
            "subtype": "vertical",
            "axis": [
                {
                    "name": "Gravity-related height",
                    "abbreviation": "H",
                    "direction": "up",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 5731
        }
    },
    "method": {
        "name": "Vertical Offset",
        "id": {
            "authority": "EPSG",
            "code": 9616
        }
    },
    "parameters": [
        {
            "name": "Vertical Offset",
            "value": 0.037,
            "unit": "metre",
            "id": {
                "authority": "EPSG",
                "code": 8603
            }
        }
    ],
    "accuracy": "0.01",
    "scope": "Engineering survey, topographic mapping (large scale).",
    "area": "Ireland - onshore. United Kingdom (UK) - Northern Ireland (Ulster) - onshore.",
    "bbox": {
        "south_latitude": 51.39,
        "west_longitude": -10.56,
        "north_latitude": 55.43,
        "east_longitude": -5.34
    },
    "id": {
        "authority": "EPSG",
        "code": 5406
    },
    "remarks": "Belfast datum is 37mm below Malin Head datum."
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=geogoffset"
	"dh=0.037"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=geogoffset +dh=0.037">
	<Layer srs="+proj=geogoffset +dh=0.037">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5406, 'EPSG', 5406, '+proj=geogoffset +dh=0.037', 'None');