GDA94_GDA2020_conformal_and_distortion.gsb
Equivalent to concatenation of CT 8447 and null CT 8450 through GDA2020. See GDA94 to WGS 84 (2) (CT code 9688) for conformal-only alternative (i.e. without distortion modelling).
ANZLIC Intergovernmental Committee on Surveying and Mapping (ICSM) (http://www.icsm.gov.au).
2021-01-18
metre
Geocentric Datum of Australia 1994
EPSG
Victoria Land Registry; http://www.land.vic.gov.au
2016-12-15
State-wide spatial data management.
May also be used to display Victoria, New South Wales, Tasmania and South Australia as a single entity. Replaces Vicgrid66 (CRS code 3110) with effect from 2nd February 2000.
Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
1318712.94 3566054.27
-1154515.52 1750248.12
3556221.5 5614280.91
112.85 -43.7
153.69 -9.86
Definition: OGC Well Known Text
PROJCS["GDA94 / Vicgrid", GEOGCS["GDA94", DATUM["Geocentric_Datum_of_Australia_1994", SPHEROID["GRS 1980",6378137,298.257222101], EXTENSION["PROJ4_GRIDS","GDA94_GDA2020_conformal_and_distortion.gsb"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4283"]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",-37], PARAMETER["central_meridian",145], PARAMETER["standard_parallel_1",-36], PARAMETER["standard_parallel_2",-38], PARAMETER["false_easting",2500000], PARAMETER["false_northing",2500000], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","3111"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["GDA94 / Vicgrid", 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["Vicgrid", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",-37, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",145, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",-36, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",-38, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",2500000, LENGTHUNIT["metre",1], ID["EPSG",8826]], PARAMETER["Northing at false origin",2500000, LENGTHUNIT["metre",1], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["(E)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["(N)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["State-wide spatial data management."], AREA["Australia - Victoria."], BBOX[-39.2,140.96,-33.98,150.04]], ID["EPSG",3111]]], TARGETCRS[ GEOGCRS["WGS 84", ENSEMBLE["World Geodetic System 1984 ensemble", MEMBER["World Geodetic System 1984 (Transit)"], MEMBER["World Geodetic System 1984 (G730)"], MEMBER["World Geodetic System 1984 (G873)"], MEMBER["World Geodetic System 1984 (G1150)"], MEMBER["World Geodetic System 1984 (G1674)"], MEMBER["World Geodetic System 1984 (G1762)"], MEMBER["World Geodetic System 1984 (G2139)"], ELLIPSOID["WGS 84",6378137,298.257223563, LENGTHUNIT["metre",1]], ENSEMBLEACCURACY[2.0]], 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]], USAGE[ SCOPE["Horizontal component of 3D system."], AREA["World."], BBOX[-90,-180,90,180]], ID["EPSG",4326]]], ABRIDGEDTRANSFORMATION["GDA94 to WGS 84 (3)", METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","GDA94_GDA2020_conformal_and_distortion.gsb"], USAGE[ SCOPE["Alignment of datasets referenced to WGS 84 which have been derived from GDA2020 via the null transformation EPSG::8450 with GDA94 datasets."], AREA["Australia - Australian Capital Territory; New South Wales; Northern Territory; Queensland; South Australia; Tasmania; Western Australia; Victoria."], BBOX[-43.7,112.85,-9.86,153.69]], ID["EPSG",9689], REMARK["Equivalent to concatenation of CT 8447 and null CT 8450 through GDA2020. See GDA94 to WGS 84 (2) (CT code 9688) for conformal-only alternative (i.e. without distortion modelling)."]]]
Definition: ESRI Well Known Text
PROJCS["GDA_1994_VICGRID94", GEOGCS["GCS_GDA_1994", DATUM["D_GDA_1994", SPHEROID["GRS_1980",6378137.0,298.257222101], EXTENSION["PROJ4_GRIDS","GDA94_GDA2020_conformal_and_distortion.gsb"]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",2500000.0], PARAMETER["False_Northing",2500000.0], PARAMETER["Central_Meridian",145.0], PARAMETER["Standard_Parallel_1",-36.0], PARAMETER["Standard_Parallel_2",-38.0], PARAMETER["Latitude_Of_Origin",-37.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "GDA94 / Vicgrid", "base_crs": { "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" } ] }, "id": { "authority": "EPSG", "code": 4283 } }, "conversion": { "name": "Vicgrid", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": -37, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": 145, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": -36, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": -38, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 2500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 2500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "E", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "N", "direction": "north", "unit": "metre" } ] }, "id": { "authority": "EPSG", "code": 3111 } }, "target_crs": { "type": "GeographicCRS", "name": "WGS 84", "datum_ensemble": { "name": "World Geodetic System 1984 ensemble", "members": [ { "name": "World Geodetic System 1984 (Transit)", "id": { "authority": "EPSG", "code": 1166 } }, { "name": "World Geodetic System 1984 (G730)", "id": { "authority": "EPSG", "code": 1152 } }, { "name": "World Geodetic System 1984 (G873)", "id": { "authority": "EPSG", "code": 1153 } }, { "name": "World Geodetic System 1984 (G1150)", "id": { "authority": "EPSG", "code": 1154 } }, { "name": "World Geodetic System 1984 (G1674)", "id": { "authority": "EPSG", "code": 1155 } }, { "name": "World Geodetic System 1984 (G1762)", "id": { "authority": "EPSG", "code": 1156 } }, { "name": "World Geodetic System 1984 (G2139)", "id": { "authority": "EPSG", "code": 1309 } } ], "ellipsoid": { "name": "WGS 84", "semi_major_axis": 6378137, "inverse_flattening": 298.257223563 }, "accuracy": "2.0", "id": { "authority": "EPSG", "code": 6326 } }, "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": 4326 } }, "transformation": { "name": "GDA94 to WGS 84 (3)", "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "GDA94_GDA2020_conformal_and_distortion.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "id": { "authority": "EPSG", "code": 9689 } } }
Definition: GeoServer
3111=PROJCS["GDA94 / Vicgrid",GEOGCS["GDA94",DATUM["Geocentric_Datum_of_Australia_1994",SPHEROID["GRS 1980",6378137,298.257222101],EXTENSION["PROJ4_GRIDS","GDA94_GDA2020_conformal_and_distortion.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4283"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",-37],PARAMETER["central_meridian",145],PARAMETER["standard_parallel_1",-36],PARAMETER["standard_parallel_2",-38],PARAMETER["false_easting",2500000],PARAMETER["false_northing",2500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3111"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=-37 +lon_0=145 +lat_1=-36 +lat_2=-38 +x_0=2500000 +y_0=2500000 +ellps=GRS80 +nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb +units=m +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=-37 +lon_0=145 +lat_1=-36 +lat_2=-38 +x_0=2500000 +y_0=2500000 +ellps=GRS80 +nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3111, 'EPSG', 3111, '+proj=lcc +lat_0=-37 +lon_0=145 +lat_1=-36 +lat_2=-38 +x_0=2500000 +y_0=2500000 +ellps=GRS80 +nadgrids=GDA94_GDA2020_conformal_and_distortion.gsb +units=m +no_defs +type=crs', 'PROJCS["GDA94 / Vicgrid",GEOGCS["GDA94",DATUM["Geocentric_Datum_of_Australia_1994",SPHEROID["GRS 1980",6378137,298.257222101],EXTENSION["PROJ4_GRIDS","GDA94_GDA2020_conformal_and_distortion.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4283"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",-37],PARAMETER["central_meridian",145],PARAMETER["standard_parallel_1",-36],PARAMETER["standard_parallel_2",-38],PARAMETER["false_easting",2500000],PARAMETER["false_northing",2500000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3111"]]');