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Geodetic CRS: ETRS89
Datum: European Terrestrial Reference System 1989 ensemble
Data source: EPSG
Information source: Ordnance Survey of Great Britain.
Revision date: 2022-01-24
Scope: Derivation of gravity-related heights from GNSS observations.
Remarks: For reversible alternative to this transformation see ETRS89 to ETRS89 + BI height (1) (code 9915).
Method: Geographic3D to GravityRelatedHeight (OSGM-GB)
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["ETRS89 to BI height (1)", VERSION["OS-Gbr 2015"], SOURCECRS[ GEOGCRS["ETRS89", ENSEMBLE["European Terrestrial Reference System 1989 ensemble", MEMBER["European Terrestrial Reference Frame 1989"], MEMBER["European Terrestrial Reference Frame 1990"], MEMBER["European Terrestrial Reference Frame 1991"], MEMBER["European Terrestrial Reference Frame 1992"], MEMBER["European Terrestrial Reference Frame 1993"], MEMBER["European Terrestrial Reference Frame 1994"], MEMBER["European Terrestrial Reference Frame 1996"], MEMBER["European Terrestrial Reference Frame 1997"], MEMBER["European Terrestrial Reference Frame 2000"], MEMBER["European Terrestrial Reference Frame 2005"], MEMBER["European Terrestrial Reference Frame 2014"], MEMBER["European Terrestrial Reference Frame 2020"], MEMBER["ETRS89-DNK"], MEMBER["Estonia 1997"], MEMBER["Albanian Geodetic Reference Frame 2010"], MEMBER["ETRS89-ALB [CORS]"], MEMBER["ETRS89-AUT [2002]"], MEMBER["Belgian Reference Frame 2002"], MEMBER["Belgian Reference Frame 2011"], MEMBER["BH_ETRS89"], MEMBER["Bulgaria Geodetic System 2005"], MEMBER["Croatian Terrestrial Reference System 1996"], MEMBER["AGRS2010 (ETRF2000)"], MEMBER["CROPOS"], MEMBER["ETRF2000 Poland"], MEMBER["ETRS89/DREF91 Realization 2016"], MEMBER["ETRS89/DREF91 Realization 2025"], MEMBER["ETRS89-CZE [2007]"], MEMBER["ETRS89-ESP [REGENTE]"], MEMBER["ETRS89-ESP [ERGNSS]"], MEMBER["ETRS89-FRO [2008]"], MEMBER["ETRS89-GRC [HTRS07]"], MEMBER["ETRS89-HUN [ETRF2000]"], MEMBER["ETRS89-IRE [ETRF2000]"], MEMBER["ETRS89-MKD [EUREF-MAK2010]"], MEMBER["ETRS89-NOR [EUREF89]"], MEMBER["ETRS89-PRT [1995]"], MEMBER["ETRS89-ROU [ETRF2000]"], MEMBER["ETRS89-SVK [SKTRF09]"], MEMBER["ETRS89-SVK [SKTRF2022]"], MEMBER["EUREF-FIN"], MEMBER["Istituto Geografico Militaire 1995"], MEMBER["Kosovo Reference System 2001"], MEMBER["Latvian geodetic coordinate system 1992"], MEMBER["Latvian coordinate system 2020"], MEMBER["Lithuania 1994 (ETRS89)"], MEMBER["MOLDREF99"], MEMBER["OSNet v2009"], MEMBER["Reseau Geodesique Francais 1993 v1"], MEMBER["Reseau Geodesique Francais 1993 v2"], MEMBER["Reseau Geodesique Francais 1993 v2b"], MEMBER["Rete Dinamica Nazionale 2008"], MEMBER["Serbian Reference Network 1998"], MEMBER["Serbian Spatial Reference System 2000"], MEMBER["Slovenia Geodetic Datum 1996"], MEMBER["SWEREF 99"], MEMBER["Swiss Terrestrial Reference Frame 1995"], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[0.1]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,3], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], AXIS["ellipsoidal height (h)",up, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",4937]]], TARGETCRS[ VERTCRS["BI height", ENSEMBLE["British Isles height ensemble", MEMBER["Malin Head"], MEMBER["Belfast Lough"], MEMBER["Ordnance Datum Newlyn"], MEMBER["Ordnance Datum Newlyn (Offshore)"], MEMBER["Ordnance Datum Newlyn (Orkney Isles)"], MEMBER["Lerwick"], MEMBER["Stornoway"], MEMBER["Douglas"], MEMBER["St. Marys"], ENSEMBLEACCURACY[0.4]], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",9451]]], METHOD["Geographic3D to GravityRelatedHeight (OSGM-GB)", ID["EPSG",9663]], PARAMETERFILE["Geoid (height correction) model file","OSTN15_OSGM15_GB.txt"], OPERATIONACCURACY[0.02], USAGE[ SCOPE["Derivation of gravity-related heights from GNSS observations."], AREA["United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore."], BBOX[49.75,-9.01,61.01,2.01]], ID["EPSG",9914], REMARK["For reversible alternative to this transformation see ETRS89 to ETRS89 + BI height (1) (code 9915)."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:9914","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=uk_os_OSGM15_GB.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "ETRS89 to BI height (1)", "source_crs": { "type": "GeographicCRS", "name": "ETRS89", "datum_ensemble": { "name": "European Terrestrial Reference System 1989 ensemble", "members": [ { "name": "European Terrestrial Reference Frame 1989", "id": { "authority": "EPSG", "code": 1178 } }, { "name": "European Terrestrial Reference Frame 1990", "id": { "authority": "EPSG", "code": 1179 } }, { "name": "European Terrestrial Reference Frame 1991", "id": { "authority": "EPSG", "code": 1180 } }, { "name": "European Terrestrial Reference Frame 1992", "id": { "authority": "EPSG", "code": 1181 } }, { "name": "European Terrestrial Reference Frame 1993", "id": { "authority": "EPSG", "code": 1182 } }, { "name": "European Terrestrial Reference Frame 1994", "id": { "authority": "EPSG", "code": 1183 } }, { "name": "European Terrestrial Reference Frame 1996", "id": { "authority": "EPSG", "code": 1184 } }, { "name": "European Terrestrial Reference Frame 1997", "id": { "authority": "EPSG", "code": 1185 } }, { "name": "European Terrestrial Reference Frame 2000", "id": { "authority": "EPSG", "code": 1186 } }, { "name": "European Terrestrial Reference Frame 2005", "id": { "authority": "EPSG", "code": 1204 } }, { "name": "European Terrestrial Reference Frame 2014", "id": { "authority": "EPSG", "code": 1206 } }, { "name": "European Terrestrial Reference Frame 2020", "id": { "authority": "EPSG", "code": 1382 } }, { "name": "ETRS89-DNK", "id": { "authority": "EPSG", "code": 1412 } }, { "name": "Estonia 1997", "id": { "authority": "EPSG", "code": 6180 } }, { "name": "Albanian Geodetic Reference Frame 2010", "id": { "authority": "EPSG", "code": 1429 } }, { "name": "ETRS89-ALB [CORS]", "id": { "authority": "EPSG", "code": 1430 } }, { "name": "ETRS89-AUT [2002]", "id": { "authority": "EPSG", "code": 1431 } }, { "name": "Belgian Reference Frame 2002", "id": { "authority": "EPSG", "code": 1432 } }, { "name": "Belgian Reference Frame 2011", "id": { "authority": "EPSG", "code": 1447 } }, { "name": "BH_ETRS89", "id": { "authority": "EPSG", "code": 1358 } }, { "name": "Bulgaria Geodetic System 2005", "id": { "authority": "EPSG", "code": 1167 } }, { "name": "Croatian Terrestrial Reference System 1996", "id": { "authority": "EPSG", "code": 6761 } }, { "name": "AGRS2010 (ETRF2000)", "id": { "authority": "EPSG", "code": 1427 } }, { "name": "CROPOS", "id": { "authority": "EPSG", "code": 1445 } }, { "name": "ETRF2000 Poland", "id": { "authority": "EPSG", "code": 1305 } }, { "name": "ETRS89/DREF91 Realization 2016", "id": { "authority": "EPSG", "code": 1353 } }, { "name": "ETRS89/DREF91 Realization 2025", "id": { "authority": "EPSG", "code": 1446 } }, { "name": "ETRS89-CZE [2007]", "id": { "authority": "EPSG", "code": 1433 } }, { "name": "ETRS89-ESP [REGENTE]", "id": { "authority": "EPSG", "code": 1441 } }, { "name": "ETRS89-ESP [ERGNSS]", "id": { "authority": "EPSG", "code": 1442 } }, { "name": "ETRS89-FRO [2008]", "id": { "authority": "EPSG", "code": 1436 } }, { "name": "ETRS89-GRC [HTRS07]", "id": { "authority": "EPSG", "code": 1437 } }, { "name": "ETRS89-HUN [ETRF2000]", "id": { "authority": "EPSG", "code": 1444 } }, { "name": "ETRS89-IRE [ETRF2000]", "id": { "authority": "EPSG", "code": 6173 } }, { "name": "ETRS89-MKD [EUREF-MAK2010]", "id": { "authority": "EPSG", "code": 1438 } }, { "name": "ETRS89-NOR [EUREF89]", "id": { "authority": "EPSG", "code": 1407 } }, { "name": "ETRS89-PRT [1995]", "id": { "authority": "EPSG", "code": 1439 } }, { "name": "ETRS89-ROU [ETRF2000]", "id": { "authority": "EPSG", "code": 1440 } }, { "name": "ETRS89-SVK [SKTRF09]", "id": { "authority": "EPSG", "code": 1434 } }, { "name": "ETRS89-SVK [SKTRF2022]", "id": { "authority": "EPSG", "code": 1435 } }, { "name": "EUREF-FIN", "id": { "authority": "EPSG", "code": 1391 } }, { "name": "Istituto Geografico Militaire 1995", "id": { "authority": "EPSG", "code": 6670 } }, { "name": "Kosovo Reference System 2001", "id": { "authority": "EPSG", "code": 1251 } }, { "name": "Latvian geodetic coordinate system 1992", "id": { "authority": "EPSG", "code": 6661 } }, { "name": "Latvian coordinate system 2020", "id": { "authority": "EPSG", "code": 1356 } }, { "name": "Lithuania 1994 (ETRS89)", "id": { "authority": "EPSG", "code": 6126 } }, { "name": "MOLDREF99", "id": { "authority": "EPSG", "code": 1032 } }, { "name": "OSNet v2009", "id": { "authority": "EPSG", "code": 1425 } }, { "name": "Reseau Geodesique Francais 1993 v1", "id": { "authority": "EPSG", "code": 6171 } }, { "name": "Reseau Geodesique Francais 1993 v2", "id": { "authority": "EPSG", "code": 1312 } }, { "name": "Reseau Geodesique Francais 1993 v2b", "id": { "authority": "EPSG", "code": 1313 } }, { "name": "Rete Dinamica Nazionale 2008", "id": { "authority": "EPSG", "code": 1132 } }, { "name": "Serbian Reference Network 1998", "id": { "authority": "EPSG", "code": 1034 } }, { "name": "Serbian Spatial Reference System 2000", "id": { "authority": "EPSG", "code": 1214 } }, { "name": "Slovenia Geodetic Datum 1996", "id": { "authority": "EPSG", "code": 6765 } }, { "name": "SWEREF 99", "id": { "authority": "EPSG", "code": 6619 } }, { "name": "Swiss Terrestrial Reference Frame 1995", "id": { "authority": "EPSG", "code": 1449 } } ], "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 }, "accuracy": "0.1", "id": { "authority": "EPSG", "code": 6258 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" }, { "name": "Ellipsoidal height", "abbreviation": "h", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 4937 }, "remarks": "Has been realized through ETRF89, ETRF90, ETRF91, ETRF92, ETRF93, ETRF94, ETRF96, ETRF97, ETRF2000, ETRF2005 and ETRF2014. This 'ensemble' covers any or all of these realizations without distinction." }, "target_crs": { "type": "VerticalCRS", "name": "BI height", "datum_ensemble": { "name": "British Isles height ensemble", "members": [ { "name": "Malin Head", "id": { "authority": "EPSG", "code": 5130 } }, { "name": "Belfast Lough", "id": { "authority": "EPSG", "code": 5131 } }, { "name": "Ordnance Datum Newlyn", "id": { "authority": "EPSG", "code": 5101 } }, { "name": "Ordnance Datum Newlyn (Offshore)", "id": { "authority": "EPSG", "code": 1164 } }, { "name": "Ordnance Datum Newlyn (Orkney Isles)", "id": { "authority": "EPSG", "code": 5138 } }, { "name": "Lerwick", "id": { "authority": "EPSG", "code": 5140 } }, { "name": "Stornoway", "id": { "authority": "EPSG", "code": 5144 } }, { "name": "Douglas", "id": { "authority": "EPSG", "code": 5148 } }, { "name": "St. Marys", "id": { "authority": "EPSG", "code": 5147 } } ], "accuracy": "0.4", "id": { "authority": "EPSG", "code": 1288 } }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 9451 } }, "method": { "name": "Geographic3D to GravityRelatedHeight (OSGM-GB)", "id": { "authority": "EPSG", "code": 9663 } }, "parameters": [ { "name": "Geoid (height correction) model file", "value": "OSTN15_OSGM15_GB.txt", "id": { "authority": "EPSG", "code": 8666 } } ], "accuracy": "0.02", "scope": "Derivation of gravity-related heights from GNSS observations.", "area": "United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Isle of Man onshore.", "bbox": { "south_latitude": 49.75, "west_longitude": -9.01, "north_latitude": 61.01, "east_longitude": 2.01 }, "id": { "authority": "EPSG", "code": 9914 }, "remarks": "For reversible alternative to this transformation see ETRS89 to ETRS89 + BI height (1) (code 9915)." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "inv" "proj=vgridshift" "grids=uk_os_OSGM15_GB.tif" "multiplier=1" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=uk_os_OSGM15_GB.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=uk_os_OSGM15_GB.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9914, 'EPSG', 9914, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=uk_os_OSGM15_GB.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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