Change of height to a different vertical reference surface.
Determined at 150 points, SD 0.068m. Offset: mean -0.309m, minimum -0.450m, maximum -0.210m.
Vertical Offset by Grid Interpolation (asc)
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["GHA height to EVRF2019 height (2)", VERSION["EuG-Aut 2019z 2020-09"], SOURCECRS[ VERTCRS["GHA height", VDATUM["Gebrauchshohen ADRIA"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5778]]], TARGETCRS[ VERTCRS["EVRF2019 height", VDATUM["European Vertical Reference Frame 2019"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",9389]]], METHOD["Vertical Offset by Grid Interpolation (asc)", ID["EPSG",1085]], PARAMETERFILE["Vertical offset file","at_2019z.asc"], INTERPOLATIONCRS[ 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"], ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[0.1]], 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[0.136], USAGE[ SCOPE["Change of height to a different vertical reference surface."], AREA["Austria."], BBOX[46.4,9.53,49.02,17.17]], ID["EPSG",9557], REMARK["Determined at 150 points, SD 0.068m. Offset: mean -0.309m, minimum -0.450m, maximum -0.210m."]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "GHA height to EVRF2019 height (2)", "source_crs": { "type": "VerticalCRS", "name": "GHA height", "datum": { "type": "VerticalReferenceFrame", "name": "Gebrauchshohen ADRIA" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5778 } }, "target_crs": { "type": "VerticalCRS", "name": "EVRF2019 height", "datum": { "type": "VerticalReferenceFrame", "name": "European Vertical Reference Frame 2019" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 9389 } }, "interpolation_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 } } ], "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" } ] }, "id": { "authority": "EPSG", "code": 4258 } }, "method": { "name": "Vertical Offset by Grid Interpolation (asc)", "id": { "authority": "EPSG", "code": 1085 } }, "parameters": [ { "name": "Vertical offset file", "value": "at_2019z.asc", "id": { "authority": "EPSG", "code": 8732 } } ], "accuracy": "0.136", "scope": "Change of height to a different vertical reference surface.", "area": "Austria.", "bbox": { "south_latitude": 46.4, "west_longitude": 9.53, "north_latitude": 49.02, "east_longitude": 17.17 }, "id": { "authority": "EPSG", "code": 9557 }, "remarks": "Determined at 150 points, SD 0.068m. Offset: mean -0.309m, minimum -0.450m, maximum -0.210m." }