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Method: Coordinate Frame rotation (geog2D domain)
Remarks: These parameter values are taken from NZGD49 to NZGD2000 (2) (code 1701) and assume that NZGD2000 and WGS 84 are coincident to within the accuracy of the transformation. For improved accuracy use NZGD49 to WGS 84 (4) (code 1670).
Information source: Land Information New Zealand: LINZS25000 Standard for New Zealand Geodetic Datum 2000; 16 November 2007.
Revision date: 2021-09-23
Unit: metre
Geodetic CRS: NZGD49
Datum: New Zealand Geodetic Datum 1949
Ellipsoid: International 1924
Prime meridian: Greenwich
Data source: EPSG
Information source: LINZ
Revision date: 2012-01-21
Scope: Engineering survey, topographic mapping.
Remarks: Replaces 27291 (NZGD49 / North Island Grid) and 27292 (NZGD49 / South Island Grid) from 1972. Replaced by NZGD2000 / New Zealand Transverse Mercator 2000 from July 2001.
Area of use: New Zealand - North Island, South Island, Stewart Island - onshore.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (E,N). Orientations: east, north. UoM: m.
&stroke=red&width=2&path=-47.65,165.87|-33.89,165.87|-33.89,179.27|-47.65,179.27|-47.65,165.87)
Center coordinates
2473712.15 6048410.13
Projected bounds:
1848791.45 5260757.69
3091781.69 6812292.5
WGS84 bounds:
165.87 -47.65
179.27 -33.89
Definition: OGC Well Known Text
PROJCS["NZGD49 / New Zealand Map Grid", GEOGCS["NZGD49", DATUM["New_Zealand_Geodetic_Datum_1949", SPHEROID["International 1924",6378388,297], TOWGS84[59.47,-5.04,187.44,-0.47,0.1,-1.024,-4.5993]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4272"]], PROJECTION["New_Zealand_Map_Grid"], PARAMETER["latitude_of_origin",-41], PARAMETER["central_meridian",173], PARAMETER["false_easting",2510000], PARAMETER["false_northing",6023150], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","27200"]]
Definition: OGC Well Known Text 2 (2019)
BOUNDCRS[ SOURCECRS[ PROJCRS["NZGD49 / New Zealand Map Grid", BASEGEOGCRS["NZGD49", DATUM["New Zealand Geodetic Datum 1949", ELLIPSOID["International 1924",6378388,297, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4272]], CONVERSION["New Zealand Map Grid", METHOD["New Zealand Map Grid", ID["EPSG",9811]], PARAMETER["Latitude of natural origin",-41, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",173, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["False easting",2510000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",6023150, 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]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["New Zealand - North Island, South Island, Stewart Island - onshore."], BBOX[-47.33,166.37,-34.1,178.63]], ID["EPSG",27200]]], 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["Transformation from unknown to WGS84", METHOD["Position Vector transformation (geog2D domain)", ID["EPSG",9606]], PARAMETER["X-axis translation",59.47, ID["EPSG",8605]], PARAMETER["Y-axis translation",-5.04, ID["EPSG",8606]], PARAMETER["Z-axis translation",187.44, ID["EPSG",8607]], PARAMETER["X-axis rotation",-0.47, ID["EPSG",8608]], PARAMETER["Y-axis rotation",0.1, ID["EPSG",8609]], PARAMETER["Z-axis rotation",-1.024, ID["EPSG",8610]], PARAMETER["Scale difference",0.9999954007, ID["EPSG",8611]]]]
Definition: ESRI Well Known Text
PROJCS["GD_1949_New_Zealand_Map_Grid", GEOGCS["GCS_New_Zealand_1949", DATUM["D_New_Zealand_1949", SPHEROID["International_1924",6378388.0,297.0]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["New_Zealand_Map_Grid"], PARAMETER["False_Easting",2510000.0], PARAMETER["False_Northing",6023150.0], PARAMETER["Longitude_Of_Origin",173.0], PARAMETER["Latitude_Of_Origin",-41.0], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "BoundCRS", "source_crs": { "type": "ProjectedCRS", "name": "NZGD49 / New Zealand Map Grid", "base_crs": { "name": "NZGD49", "datum": { "type": "GeodeticReferenceFrame", "name": "New Zealand Geodetic Datum 1949", "ellipsoid": { "name": "International 1924", "semi_major_axis": 6378388, "inverse_flattening": 297 } }, "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": 4272 } }, "conversion": { "name": "New Zealand Map Grid", "method": { "name": "New Zealand Map Grid", "id": { "authority": "EPSG", "code": 9811 } }, "parameters": [ { "name": "Latitude of natural origin", "value": -41, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": 173, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "False easting", "value": 2510000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 6023150, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "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": 27200 } }, "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": "Transformation from unknown to WGS84", "method": { "name": "Position Vector transformation (geog2D domain)", "id": { "authority": "EPSG", "code": 9606 } }, "parameters": [ { "name": "X-axis translation", "value": 59.47, "unit": "metre", "id": { "authority": "EPSG", "code": 8605 } }, { "name": "Y-axis translation", "value": -5.04, "unit": "metre", "id": { "authority": "EPSG", "code": 8606 } }, { "name": "Z-axis translation", "value": 187.44, "unit": "metre", "id": { "authority": "EPSG", "code": 8607 } }, { "name": "X-axis rotation", "value": -0.47, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8608 } }, { "name": "Y-axis rotation", "value": 0.1, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8609 } }, { "name": "Z-axis rotation", "value": -1.024, "unit": { "type": "AngularUnit", "name": "arc-second", "conversion_factor": 4.84813681109536e-06 }, "id": { "authority": "EPSG", "code": 8610 } }, { "name": "Scale difference", "value": -4.5993, "unit": { "type": "ScaleUnit", "name": "parts per million", "conversion_factor": 1e-06 }, "id": { "authority": "EPSG", "code": 8611 } } ] } }
Definition: GeoServer
27200=PROJCS["NZGD49 / New Zealand Map Grid",GEOGCS["NZGD49",DATUM["New_Zealand_Geodetic_Datum_1949",SPHEROID["International 1924",6378388,297],TOWGS84[59.47,-5.04,187.44,-0.47,0.1,-1.024,-4.5993]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4272"]],PROJECTION["New_Zealand_Map_Grid"],PARAMETER["latitude_of_origin",-41],PARAMETER["central_meridian",173],PARAMETER["false_easting",2510000],PARAMETER["false_northing",6023150],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27200"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=nzmg +lat_0=-41 +lon_0=173 +x_0=2510000 +y_0=6023150 +ellps=intl +towgs84=59.47,-5.04,187.44,-0.47,0.1,-1.024,-4.5993 +units=m +no_defs +type=crs"> <Layer srs="+proj=nzmg +lat_0=-41 +lon_0=173 +x_0=2510000 +y_0=6023150 +ellps=intl +towgs84=59.47,-5.04,187.44,-0.47,0.1,-1.024,-4.5993 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 27200, 'EPSG', 27200, '+proj=nzmg +lat_0=-41 +lon_0=173 +x_0=2510000 +y_0=6023150 +ellps=intl +towgs84=59.47,-5.04,187.44,-0.47,0.1,-1.024,-4.5993 +units=m +no_defs +type=crs', 'PROJCS["NZGD49 / New Zealand Map Grid",GEOGCS["NZGD49",DATUM["New_Zealand_Geodetic_Datum_1949",SPHEROID["International 1924",6378388,297],TOWGS84[59.47,-5.04,187.44,-0.47,0.1,-1.024,-4.5993]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4272"]],PROJECTION["New_Zealand_Map_Grid"],PARAMETER["latitude_of_origin",-41],PARAMETER["central_meridian",173],PARAMETER["false_easting",2510000],PARAMETER["false_northing",6023150],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","27200"]]');
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