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Grid Files: GDA94_GDA2020_conformal_and_distortion.gsb
Remarks: See GDA94 to WGS 84 (G1762) (1) (CT code 9686) for conformal-only alternative (i.e. without distortion modelling).
Information source: GDA2020 Technical Manual, ANZLIC Intergovernmental Committee on Surveying and Mapping (ICSM) (http://www.icsm.gov.au).
Revision date: 2021-01-18
Unit: metre
Geodetic CRS: GDA94
Datum: Geocentric Datum of Australia 1994
Ellipsoid: GRS 1980
Prime meridian: Greenwich
Data source: EPSG
Information source: Geocentric Datum of Australia Technical Manual, Intergovernmental Committee on Surveying and Mapping.
Revision date: 2014-02-15
Scope: Engineering survey, topographic mapping.
Area of use: Australia - onshore and offshore between 114°E and 120°E.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=-43.7,112.85|-9.86,112.85|-9.86,153.69|-43.7,153.69|-43.7,112.85)
Center coordinates
2130384.81 6931749.96
Projected bounds:
44607.81 4459018.62
4810112.5 8910035.01
WGS84 bounds:
112.85 -43.7
153.69 -9.86
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ BOUNDCRS[ SOURCECRS[ PROJCRS["GDA94 / MGA zone 50", BASEGEOGCRS["GDA94", DATUM["Geocentric Datum of Australia 1994", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4283]], CONVERSION["Map Grid of Australia zone 50", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",0, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",117, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.9996, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",10000000, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], ID["EPSG",28350]]], TARGETCRS[ GEOGCRS["GDA2020", DATUM["Geocentric Datum of Australia 2020", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",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]], ID["EPSG",7844]]], ABRIDGEDTRANSFORMATION["GDA94 to GDA2020 (2)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","GDA94_GDA2020_conformal_and_distortion.gsb"], ID["EPSG",8447]]]], 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]], USAGE[ SCOPE["Geodesy. Navigation and positioning using GPS satellite system."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",7664]]], ABRIDGEDTRANSFORMATION["GDA2020 to WGS 84 (G1762) (1)", METHOD["Time-dependent Coordinate Frame rotation (geocen)", ID["EPSG",1056]], PARAMETER["X-axis translation",0, ID["EPSG",8605]], PARAMETER["Y-axis translation",0, ID["EPSG",8606]], PARAMETER["Z-axis translation",0, ID["EPSG",8607]], PARAMETER["X-axis rotation",0, ID["EPSG",8608]], PARAMETER["Y-axis rotation",0, ID["EPSG",8609]], PARAMETER["Z-axis rotation",0, ID["EPSG",8610]], PARAMETER["Scale difference",0, ID["EPSG",8611]], PARAMETER["Rate of change of X-axis translation",0, ID["EPSG",1040]], PARAMETER["Rate of change of Y-axis translation",0, ID["EPSG",1041]], PARAMETER["Rate of change of Z-axis translation",0, ID["EPSG",1042]], PARAMETER["Rate of change of X-axis rotation",-4.76532481791018E-11, ID["EPSG",1043]], PARAMETER["Rate of change of Y-axis rotation",-3.75023860313208E-11, ID["EPSG",1044]], PARAMETER["Rate of change of Z-axis rotation",-3.82534097659145E-11, ID["EPSG",1045]], PARAMETER["Rate of change of Scale difference",0, ID["EPSG",1046]], PARAMETER["Parameter reference epoch",2020, ID["EPSG",1047]], USAGE[ SCOPE["Geodesy."], 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",8448], REMARK["Scale difference in ppb and scale difference rate in ppb/yr where 1/billion = 1E-9 or nm/m. Parameter values taken from ITRF2014 to GDA2020 (1) (code 8049), assuming WGS 84 (G1762) is equivalent to ITRF2014 within the accuracy of the transformation."]]]
Definition: JSON
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"authority": "EPSG", "code": 7842 } }, "method": { "name": "Time-dependent Coordinate Frame rotation (geocen)", "id": { "authority": "EPSG", "code": 1056 } }, "parameters": [ { "name": "X-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 0, "unit": { "type": "LinearUnit", "name": "millimetre", "conversion_factor": 0.001 }, "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": 0, "unit": { "type": "AngularUnit", "name": "milliarc-second", "conversion_factor": 4.84813681109536e-09 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": 0, "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", 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Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=utm +zone=50 +south +ellps=GRS80 +units=m +no_defs +type=crs"> <Layer srs="+proj=utm +zone=50 +south +ellps=GRS80 +units=m +no_defs +type=crs"> </Layer> </Map>
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