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Geodetic CRS: NN2000:2018 height
Datum: Norway Normal Null 2000:2018
Data source: EPSG
Information source: IOGP
Revision date: 2026-07-23
Scope: Change of height to a different vertical reference surface.
Remarks: Height difference derived through difference in geoid separation models.
Area of use: Norway - onshore.
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
CONCATENATEDOPERATION["NN2000:2018 height to NN2000:2025 height (1)", VERSION["IOGP-Nor 2025"], SOURCECRS[ COMPOUNDCRS["ETRS89-NOR [EUREF89] + NN2000:2018 height", GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]], VERTCRS["NN2000:2018 height", VDATUM["Norway Normal Null 2000:2018"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], ID["EPSG",11558]]], TARGETCRS[ COMPOUNDCRS["ETRS89-NOR [EUREF89] + NN2000:2025 height", GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]], VERTCRS["NN2000:2025 height", VDATUM["Norway Normal Null 2000:2025"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], ID["EPSG",11399]]], STEP[ COORDINATEOPERATION["Inverse of 'ETRS89-NOR [EUREF89] to ETRS89-NOR [EUREF89] + NN2000:2018 height (1)'", SOURCECRS[ COMPOUNDCRS["ETRS89-NOR [EUREF89] + NN2000:2018 height", GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]], VERTCRS["NN2000:2018 height", VDATUM["Norway Normal Null 2000:2018"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], ID["EPSG",11558]]], TARGETCRS[ GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], 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",10874]]], METHOD["Inverse of Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)", ID["INVERSE(EPSG)",1093]], PARAMETERFILE["Geoid (height correction) model file","HREF2018B_NN2000_EUREF89.bin"], INTERPOLATIONCRS[ GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]]], OPERATIONACCURACY[0.02], ID["INVERSE(EPSG)",11557]]], STEP[ COORDINATEOPERATION["ETRS89-NOR [EUREF89] to ETRS89-NOR [EUREF89] + NN2000:2025 height (1)", VERSION["SK-Nor 2025"], SOURCECRS[ GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], 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",10874]]], TARGETCRS[ COMPOUNDCRS["ETRS89-NOR [EUREF89] + NN2000:2025 height", GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]], VERTCRS["NN2000:2025 height", VDATUM["Norway Normal Null 2000:2025"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]]], ID["EPSG",11399]]], METHOD["Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)", ID["EPSG",1093]], PARAMETERFILE["Geoid (height correction) model file","HREF2025A_NN2000_EUREF89.bin"], INTERPOLATIONCRS[ GEOGCRS["ETRS89-NOR [EUREF89]", DATUM["EUREF89", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ANCHOREPOCH[1995]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]]]], OPERATIONACCURACY[0.02], ID["EPSG",11396]]], OPERATIONACCURACY[0.03], USAGE[ SCOPE["Change of height to a different vertical reference surface."], AREA["Norway - onshore."], BBOX[57.9,4.39,71.24,31.32]], ID["EPSG",12092], REMARK["Height difference derived through difference in geoid separation models."]]
Definition: PROJ.4
+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=vgridshift +grids=no_kv_HREF2018B_NN2000_EUREF89.tif +multiplier=1 +step +inv +proj=vgridshift +grids=no_kv_HREF2025A_NN2000_EUREF89.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:12092","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=vgridshift +grids=no_kv_HREF2018B_NN2000_EUREF89.tif +multiplier=1 +step +inv +proj=vgridshift +grids=no_kv_HREF2025A_NN2000_EUREF89.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": "ConcatenatedOperation", "name": "NN2000:2018 height to NN2000:2025 height (1)", "source_crs": { "type": "CompoundCRS", "name": "ETRS89-NOR [EUREF89] + NN2000:2018 height", "components": [ { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "remarks": "Horizontal component of the national realization of ETRS89 in Norway." }, { "type": "VerticalCRS", "name": "NN2000:2018 height", "datum": { "type": "VerticalReferenceFrame", "name": "Norway Normal Null 2000:2018" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "id": { "authority": "EPSG", "code": 11558 } }, "target_crs": { "type": "CompoundCRS", "name": "ETRS89-NOR [EUREF89] + NN2000:2025 height", "components": [ { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "remarks": "Horizontal component of the national realization of ETRS89 in Norway." }, { "type": "VerticalCRS", "name": "NN2000:2025 height", "datum": { "type": "VerticalReferenceFrame", "name": "Norway Normal Null 2000:2025" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "id": { "authority": "EPSG", "code": 11399 } }, "steps": [ { "type": "Transformation", "name": "Inverse of 'ETRS89-NOR [EUREF89] to ETRS89-NOR [EUREF89] + NN2000:2018 height (1)'", "source_crs": { "type": "CompoundCRS", "name": "ETRS89-NOR [EUREF89] + NN2000:2018 height", "components": [ { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "remarks": "Horizontal component of the national realization of ETRS89 in Norway." }, { "type": "VerticalCRS", "name": "NN2000:2018 height", "datum": { "type": "VerticalReferenceFrame", "name": "Norway Normal Null 2000:2018" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "id": { "authority": "EPSG", "code": 11558 } }, "target_crs": { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "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": 10874 }, "remarks": "EUREF89 is the national realization of ETRS89 in Norway." }, "interpolation_crs": { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 10875 }, "remarks": "Horizontal component of the national realization of ETRS89 in Norway." }, "method": { "name": "Inverse of Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)", "id": { "authority": "INVERSE(EPSG)", "code": 1093 } }, "parameters": [ { "name": "Geoid (height correction) model file", "value": "HREF2018B_NN2000_EUREF89.bin", "id": { "authority": "EPSG", "code": 8666 } } ], "accuracy": "0.02", "id": { "authority": "INVERSE(EPSG)", "code": 11557 }, "remarks": "Reversible alternative to ETRS89-NOR [EUREF89] to NN2000:2018 height (1) (code 11556). The interpolation CRS is EUREF89 but using any realization of ETRS89 including ensemble-based EPSG:4258 is adequate for grid interpolation." }, { "type": "Transformation", "name": "ETRS89-NOR [EUREF89] to ETRS89-NOR [EUREF89] + NN2000:2025 height (1)", "source_crs": { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "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": 10874 }, "remarks": "EUREF89 is the national realization of ETRS89 in Norway." }, "target_crs": { "type": "CompoundCRS", "name": "ETRS89-NOR [EUREF89] + NN2000:2025 height", "components": [ { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "remarks": "Horizontal component of the national realization of ETRS89 in Norway." }, { "type": "VerticalCRS", "name": "NN2000:2025 height", "datum": { "type": "VerticalReferenceFrame", "name": "Norway Normal Null 2000:2025" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] } } ], "id": { "authority": "EPSG", "code": 11399 } }, "interpolation_crs": { "type": "GeographicCRS", "name": "ETRS89-NOR [EUREF89]", "datum": { "type": "GeodeticReferenceFrame", "name": "EUREF89", "anchor_epoch": 1995, "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 10875 }, "remarks": "Horizontal component of the national realization of ETRS89 in Norway." }, "method": { "name": "Geog3D to Geog2D+GravityRelatedHeight (Gravsoft)", "id": { "authority": "EPSG", "code": 1093 } }, "parameters": [ { "name": "Geoid (height correction) model file", "value": "HREF2025A_NN2000_EUREF89.bin", "id": { "authority": "EPSG", "code": 8666 } } ], "accuracy": "0.02", "id": { "authority": "EPSG", "code": 11396 }, "remarks": "Reversible alternative to ETRS89-NOR [EUREF89] to NN2000:2025 height (1) (code 11395). The interpolation CRS is EUREF89 but using any realization of ETRS89 including ensemble-based EPSG:4258 is adequate for grid interpolation." } ], "accuracy": "0.03", "scope": "Change of height to a different vertical reference surface.", "area": "Norway - onshore.", "bbox": { "south_latitude": 57.9, "west_longitude": 4.39, "north_latitude": 71.24, "east_longitude": 31.32 }, "id": { "authority": "EPSG", "code": 12092 }, "remarks": "Height difference derived through difference in geoid separation models." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=vgridshift" "grids=no_kv_HREF2018B_NN2000_EUREF89.tif" "multiplier=1" "step" "inv" "proj=vgridshift" "grids=no_kv_HREF2025A_NN2000_EUREF89.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 +proj=vgridshift +grids=no_kv_HREF2018B_NN2000_EUREF89.tif +multiplier=1 +step +inv +proj=vgridshift +grids=no_kv_HREF2025A_NN2000_EUREF89.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 +proj=vgridshift +grids=no_kv_HREF2018B_NN2000_EUREF89.tif +multiplier=1 +step +inv +proj=vgridshift +grids=no_kv_HREF2025A_NN2000_EUREF89.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 ( 12092, 'EPSG', 12092, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=vgridshift +grids=no_kv_HREF2018B_NN2000_EUREF89.tif +multiplier=1 +step +inv +proj=vgridshift +grids=no_kv_HREF2025A_NN2000_EUREF89.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');
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