Geocentric Datum of Australia 1994
EPSG
Geoscience Australia, http://www.ga.gov.au/nmd/geodesy/ausgeoid/files.jsp
2008-03-14
Derivation of gravity-related heights from GNSS observations.
May be used for transformations from WGS 84 to AHD. Uses AusGeoid98 model.
Geographic3D to GravityRelatedHeight (AUSGeoid98)
Australia - between 28°S and 32°S and 108°E and 114°E.
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["GDA94 to AHD height (31)", VERSION["GA-Aus SH49"], SOURCECRS[ GEOGCRS["GDA94", DATUM["Geocentric Datum of Australia 1994", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",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",4939]]], TARGETCRS[ VERTCRS["AHD height", VDATUM["Australian Height Datum"], CS[vertical,1], AXIS["gravity-related height (H)",up, LENGTHUNIT["metre",1]], ID["EPSG",5711]]], METHOD["Geographic3D to GravityRelatedHeight (AUSGeoid98)", ID["EPSG",9662]], PARAMETERFILE["Geoid (height correction) model file","SH49_DAT.htm"], OPERATIONACCURACY[0.4], USAGE[ SCOPE["Derivation of gravity-related heights from GNSS observations."], AREA["Australia - between 28°S and 32°S and 108°E and 114°E."], BBOX[-32,108,-28,114]], ID["EPSG",10065], REMARK["May be used for transformations from WGS 84 to AHD. Uses AusGeoid98 model."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:10065","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=au_ga_AUSGeoid98.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": "GDA94 to AHD height (31)", "source_crs": { "type": "GeographicCRS", "name": "GDA94", "datum": { "type": "GeodeticReferenceFrame", "name": "Geocentric Datum of Australia 1994", "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": 4939 } }, "target_crs": { "type": "VerticalCRS", "name": "AHD height", "datum": { "type": "VerticalReferenceFrame", "name": "Australian Height Datum" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Gravity-related height", "abbreviation": "H", "direction": "up", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 5711 } }, "method": { "name": "Geographic3D to GravityRelatedHeight (AUSGeoid98)", "id": { "authority": "EPSG", "code": 9662 } }, "parameters": [ { "name": "Geoid (height correction) model file", "value": "SH49_DAT.htm", "id": { "authority": "EPSG", "code": 8666 } } ], "accuracy": "0.4", "scope": "Derivation of gravity-related heights from GNSS observations.", "area": "Australia - between 28°S and 32°S and 108°E and 114°E.", "bbox": { "south_latitude": -32, "west_longitude": 108, "north_latitude": -28, "east_longitude": 114 }, "id": { "authority": "EPSG", "code": 10065 }, "remarks": "May be used for transformations from WGS 84 to AHD. Uses AusGeoid98 model." }
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=au_ga_AUSGeoid98.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=au_ga_AUSGeoid98.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=au_ga_AUSGeoid98.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 ( 10065, 'EPSG', 10065, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +inv +proj=vgridshift +grids=au_ga_AUSGeoid98.tif +multiplier=1 +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');