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Geodetic CRS: GDA94
Datum: Geocentric Datum of Australia 1994
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: GDA2020 Technical Manual, ANZLIC Intergovernmental Committee on Surveying and Mapping (ICSM) (http://www.icsm.gov.au).
Revision date: 2021-01-18
Scope: Transformation of GDA94 coordinates that have been derived through GNSS CORS.
Remarks: Concatenation of transformations codes 8048 and 8448 through GDA2020. Scale difference in ppb and rate in ppb/yr where 1/billion = 1E-9 or nm/m. See GDA94 to WGS 84 (G1762) (2) (CT 9687) for alternative for Australia with distortion modelling.
Method: Time-dependent Coordinate Frame rotation (geocen)
Description: (0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["GDA94 to WGS 84 (G1762) (1)", VERSION["ICSM-Aus Conf"], SOURCECRS[ GEODCRS["GDA94", DATUM["Geocentric Datum of Australia 1994", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[Cartesian,3], AXIS["(X)",geocentricX, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(Y)",geocentricY, ORDER[2], LENGTHUNIT["metre",1]], AXIS["(Z)",geocentricZ, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",4938]]], TARGETCRS[ GEODCRS["WGS 84 (G1762)", DYNAMIC[ FRAMEEPOCH[2005]], DATUM["World Geodetic System 1984 (G1762)", ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[Cartesian,3], AXIS["(X)",geocentricX, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(Y)",geocentricY, ORDER[2], LENGTHUNIT["metre",1]], AXIS["(Z)",geocentricZ, ORDER[3], LENGTHUNIT["metre",1]], ID["EPSG",7664]]], METHOD["Time-dependent Coordinate Frame rotation (geocen)", ID["EPSG",1056]], PARAMETER["X-axis translation",61.55, LENGTHUNIT["millimetre",0.001], ID["EPSG",8605]], PARAMETER["Y-axis translation",-10.87, LENGTHUNIT["millimetre",0.001], ID["EPSG",8606]], PARAMETER["Z-axis translation",-40.19, LENGTHUNIT["millimetre",0.001], ID["EPSG",8607]], PARAMETER["X-axis rotation",-39.4924, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8608]], PARAMETER["Y-axis rotation",-32.7221, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8609]], PARAMETER["Z-axis rotation",-32.8979, ANGLEUNIT["milliarc-second",4.84813681109536E-09], ID["EPSG",8610]], PARAMETER["Scale difference",-9.994, SCALEUNIT["parts per billion",1E-09], ID["EPSG",8611]], PARAMETER["Rate of change of X-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1040]], PARAMETER["Rate of change of Y-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",0, LENGTHUNIT["millimetres per year",3.16887651727315E-11], ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",-1.50379, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",-1.18346, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",-1.20716, ANGLEUNIT["milliarc-seconds per year",1.53631468932076E-16], ID["EPSG",1045]], PARAMETER["Rate of change of Scale difference",0, SCALEUNIT["parts per billion per year",3.16887651727315E-17], ID["EPSG",1046]], PARAMETER["Parameter reference epoch",2020, TIMEUNIT["year",31556925.445], ID["EPSG",1047]], OPERATIONACCURACY[0.25], USAGE[ SCOPE["Transformation of GDA94 coordinates that have been derived through GNSS CORS."], AREA["Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore."], BBOX[-60.55,93.41,-8.47,173.34]], ID["EPSG",9686], REMARK["Concatenation of transformations codes 8048 and 8448 through GDA2020. Scale difference in ppb and rate in ppb/yr where 1/billion = 1E-9 or nm/m. See GDA94 to WGS 84 (G1762) (2) (CT 9687) for alternative for Australia with distortion modelling."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:9686","+proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +dx=0 +dy=0 +dz=0 +drx=-0.00150379 +dry=-0.00118346 +drz=-0.00120716 +ds=0 +t_epoch=2020 +convention=coordinate_frame");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "GDA94 to WGS 84 (G1762) (1)", "source_crs": { "type": "GeodeticCRS", "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": "Cartesian", "axis": [ { "name": "Geocentric X", "abbreviation": "X", "direction": "geocentricX", "unit": "metre" }, { "name": "Geocentric Y", "abbreviation": "Y", "direction": "geocentricY", "unit": "metre" }, { "name": "Geocentric Z", "abbreviation": "Z", "direction": "geocentricZ", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 4938 } }, "target_crs": { "type": "GeodeticCRS", "name": "WGS 84 (G1762)", "datum": { "type": "DynamicGeodeticReferenceFrame", "name": "World Geodetic System 1984 (G1762)", "frame_reference_epoch": 2005, "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 } }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Geocentric X", "abbreviation": "X", "direction": "geocentricX", "unit": "metre" }, { "name": "Geocentric Y", "abbreviation": "Y", "direction": "geocentricY", "unit": "metre" }, { "name": "Geocentric Z", "abbreviation": "Z", "direction": "geocentricZ", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 7664 } }, "method": { "name": "Time-dependent Coordinate Frame rotation (geocen)", "id": { "authority": "EPSG", "code": 1056 } }, "parameters": [ { "name": "X-axis translation", "value": 61.55, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -10.87, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": -40.19, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -39.4924, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": -32.7221, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -32.8979, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -9.994, "unit": { "type": "ScaleUnit", "name": "parts per billion", "conversion_factor": 1e-09 }, "id": { "authority": "EPSG", "code": 8611 } }, { "name": "Rate of change of X-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetres per year", "conversion_factor": 3.16887651727315e-11 }, "id": { "authority": "EPSG", "code": 1040 } }, { "name": "Rate of change of Y-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetres per year", "conversion_factor": 3.16887651727315e-11 }, "id": { "authority": "EPSG", "code": 1041 } }, { "name": "Rate of change of Z-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetres per year", "conversion_factor": 3.16887651727315e-11 }, "id": { "authority": "EPSG", "code": 1042 } }, { "name": "Rate of change of X-axis rotation", "value": -1.50379, "unit": { "type": "AngularUnit", "name": "milliarc-seconds per year", "conversion_factor": 1.53631468932076e-16 }, "id": { "authority": "EPSG", "code": 1043 } }, { "name": "Rate of change of Y-axis rotation", "value": -1.18346, "unit": { "type": "AngularUnit", "name": "milliarc-seconds per year", "conversion_factor": 1.53631468932076e-16 }, "id": { "authority": "EPSG", "code": 1044 } }, { "name": "Rate of change of Z-axis rotation", "value": -1.20716, "unit": { "type": "AngularUnit", "name": "milliarc-seconds per year", "conversion_factor": 1.53631468932076e-16 }, "id": { "authority": "EPSG", "code": 1045 } }, { "name": "Rate of change of Scale difference", "value": 0, "unit": { "type": "ScaleUnit", "name": "parts per billion per year", "conversion_factor": 3.16887651727315e-17 }, "id": { "authority": "EPSG", "code": 1046 } }, { "name": "Parameter reference epoch", "value": 2020, "unit": { "type": "TimeUnit", "name": "year", "conversion_factor": 31556925.445 }, "id": { "authority": "EPSG", "code": 1047 } } ], "accuracy": "0.25", "scope": "Transformation of GDA94 coordinates that have been derived through GNSS CORS.", "area": "Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore.", "bbox": { "south_latitude": -60.55, "west_longitude": 93.41, "north_latitude": -8.47, "east_longitude": 173.34 }, "id": { "authority": "EPSG", "code": 9686 }, "remarks": "Concatenation of transformations codes 8048 and 8448 through GDA2020. Scale difference in ppb and rate in ppb/yr where 1/billion = 1E-9 or nm/m. See GDA94 to WGS 84 (G1762) (2) (CT 9687) for alternative for Australia with distortion modelling." }
Definition: MapServer - MAPfile
PROJECTION "proj=helmert" "x=0.06155" "y=-0.01087" "z=-0.04019" "rx=-0.0394924" "ry=-0.0327221" "rz=-0.0328979" "s=-0.009994" "dx=0" "dy=0" "dz=0" "drx=-0.00150379" "dry=-0.00118346" "drz=-0.00120716" "ds=0" "t_epoch=2020" "convention=coordinate_frame" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +dx=0 +dy=0 +dz=0 +drx=-0.00150379 +dry=-0.00118346 +drz=-0.00120716 +ds=0 +t_epoch=2020 +convention=coordinate_frame"> <Layer srs="+proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +dx=0 +dy=0 +dz=0 +drx=-0.00150379 +dry=-0.00118346 +drz=-0.00120716 +ds=0 +t_epoch=2020 +convention=coordinate_frame"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9686, 'EPSG', 9686, '+proj=helmert +x=0.06155 +y=-0.01087 +z=-0.04019 +rx=-0.0394924 +ry=-0.0327221 +rz=-0.0328979 +s=-0.009994 +dx=0 +dy=0 +dz=0 +drx=-0.00150379 +dry=-0.00118346 +drz=-0.00120716 +ds=0 +t_epoch=2020 +convention=coordinate_frame', 'None');
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