EPSG:9450 — ETRS89-IRE [ETRF2000] + Belfast height

Compound · UK - Northern Ireland - onshore

Export Formats

OGC WKT

COMPD_CS[
    "ETRS89 + Belfast height",
    GEOGCS[
        "ETRS89",
        DATUM[
            "European_Terrestrial_Reference_System_1989",
            SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
            AUTHORITY["EPSG","6258"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4258"]
    ],
    VERT_CS[
        "Belfast height",
        VERT_DATUM["Belfast Lough",2005,AUTHORITY["EPSG","5131"]],
        UNIT["metre",1,AUTHORITY["EPSG","9001"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","5732"]
    ],
    AUTHORITY["EPSG","9450"]
]

WKT2

COMPOUNDCRS[
    "ETRS89-IRE [ETRF2000] + Belfast height",
    GEOGCRS[
        "ETRS89-IRE [ETRF2000]",
        DATUM[
            "ETRS89-IRE [ETRF2000]",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ANCHOREPOCH[2009.756],
            ID["EPSG",6173]
        ],
        CS[ellipsoidal,2,ID["EPSG",6422]],
        AXIS["Geodetic latitude (Lat)",north],
        AXIS["Geodetic longitude (Lon)",east],
        ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
        ID["EPSG",4173]
    ],
    VERTCRS[
        "Belfast height",
        VDATUM["Belfast Lough",ID["EPSG",5131]],
        CS[vertical,1,ID["EPSG",6499]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["metre",1,ID["EPSG",9001]],
        GEOIDMODEL["ETRS89 to Belfast height (1)",ID["EPSG",5334]],
        GEOIDMODEL["ETRS89-IRE [ETRF2000] to Belfast height (2)",ID["EPSG",7958]],
        ID["EPSG",5732]
    ],
    ID["EPSG",9450]
]

PROJ.4

+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:9450", "+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 9450,
  "name": "ETRS89-IRE [ETRF2000] + Belfast height",
  "kind": "compound",
  "area": "UK - Northern Ireland - onshore",
  "unit": null,
  "bbox": [
    53.96,
    -8.18,
    55.36,
    -5.34
  ],
  "proj4": "+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9450, 'EPSG', 9450, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89 + Belfast height",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],VERT_CS["Belfast height",VERT_DATUM["Belfast Lough",2005,AUTHORITY["EPSG","5131"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5732"]],AUTHORITY["EPSG","9450"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

9450=COMPD_CS["ETRS89 + Belfast height",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],VERT_CS["Belfast height",VERT_DATUM["Belfast Lough",2005,AUTHORITY["EPSG","5131"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5732"]],AUTHORITY["EPSG","9450"]]

Related Coordinate Systems

Available Transformations (1)

Transformation	Source → Target	Accuracy (m)
ETRS89-IRE [ETRF2000] to ETRS89-IRE [ETRF2000] + Belfast height (2)	4943 → 9450	0.014

Frequently Asked Questions

How do I add EPSG:9450 to GeoServer?

Add the following definition to your GeoServer configuration:

9450=COMPD_CS["ETRS89 + Belfast height",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],VERT_CS["Belfast height",VERT_DATUM["Belfast Lough",2005,AUTHORITY["EPSG","5131"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5732"]],AUTHORITY["EPSG","9450"]]

Read the full GeoServer guide →

How do I add EPSG:9450 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (9450, 'EPSG', 9450, '+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs', 'COMPD_CS["ETRS89 + Belfast height",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4258"]],VERT_CS["Belfast height",VERT_DATUM["Belfast Lough",2005,AUTHORITY["EPSG","5131"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","5732"]],AUTHORITY["EPSG","9450"]]');

Read the full PostGIS guide →

How do I add EPSG:9450 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=longlat"
  "+ellps=GRS80"
  "+vunits=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:9450 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:9450", "+proj=longlat +ellps=GRS80 +vunits=m +no_defs +type=crs");

Read the full Proj4js guide →