EPSG:27225

NZGD49 / Gawler Circuit

Transform Get position on a map

Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: NTv2

Grid Files: nzgd2kgrid0005.gsb

Remarks: Parameter file is from NZGD49 to NZGD2000 (3) (code 1568) and assumes WGS 84 is coincident with NZGD2000 to the accuracy of the transformation.

Information source: OGP

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: NZGD49

Datum: New Zealand Geodetic Datum 1949

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: Land Information New Zealand OSG Technical Report 8; 16 April 1999.

Revision date: 2011-01-25

Scope: Cadastre.

Remarks: Replaced Imperial measure version in 1972. Replaced by NZGD2000 / Gawler 2000 (code 2125) from March 2000.

Area of use: New Zealand - South Island - Gawler meridional circuit area.

Coordinate system: Cartesian 2D CS. Axes: northing, easting (N,E). Orientations: north, east. UoM: m.

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SimpleMap

Center coordinates
402082.9 1029982.26

Projected bounds:
-66724.66 235794.98
1027083.14 1696337.96

WGS84 bounds:
165.87 -47.65
179.27 -33.89

New Zealand - North Island, South Island, Stewart Island - onshore and nearshore.
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Definition: OGC Well Known Text

PROJCS["NZGD49 / Gawler Circuit",
    GEOGCS["NZGD49",
        DATUM["New_Zealand_Geodetic_Datum_1949",
            SPHEROID["International 1924",6378388,297],
            EXTENSION["PROJ4_GRIDS","nzgd2kgrid0005.gsb"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4272"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",-43.7487115555556],
    PARAMETER["central_meridian",171.360748472222],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",300000],
    PARAMETER["false_northing",700000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","27225"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NZGD49 / Gawler Circuit",
    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["Gawler Circuit",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",-43.7487115555556,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",171.360748472222,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",300000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",700000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["northing (N)",north,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["easting (E)",east,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Cadastre."],
        AREA["New Zealand - South Island - Gawler meridional circuit area."],
        BBOX[-44.25,170.68,-43.13,172.26]],
    ID["EPSG",27225]]

Definition: ESRI Well Known Text

PROJCS["NZGD_1949_Gawler_Circuit",
    GEOGCS["GCS_New_Zealand_1949",
        DATUM["D_New_Zealand_1949",
            SPHEROID["International_1924",6378388.0,297.0],
            EXTENSION["PROJ4_GRIDS","nzgd2kgrid0005.gsb"]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",300000.0],
    PARAMETER["False_Northing",700000.0],
    PARAMETER["Central_Meridian",171.360748472222],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",-43.7487115555556],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=-43.7487115555556 +lon_0=171.360748472222 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.gsb +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:27225","+proj=tmerc +lat_0=-43.7487115555556 +lon_0=171.360748472222 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.gsb +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NZGD49 / Gawler Circuit",
    "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": "Gawler Circuit",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": -43.7487115555556,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 171.360748472222,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 300000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 700000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Northing",
                "abbreviation": "N",
                "direction": "north",
                "unit": "metre"
            },
            {
                "name": "Easting",
                "abbreviation": "E",
                "direction": "east",
                "unit": "metre"
            }
        ]
    },
    "scope": "Cadastre.",
    "area": "New Zealand - South Island - Gawler meridional circuit area.",
    "bbox": {
        "south_latitude": -44.25,
        "west_longitude": 170.68,
        "north_latitude": -43.13,
        "east_longitude": 172.26
    },
    "id": {
        "authority": "EPSG",
        "code": 27225
    }
}

Definition: GeoServer

27225=PROJCS["NZGD49 / Gawler Circuit",GEOGCS["NZGD49",DATUM["New_Zealand_Geodetic_Datum_1949",SPHEROID["International 1924",6378388,297],EXTENSION["PROJ4_GRIDS","nzgd2kgrid0005.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4272"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-43.7487115555556],PARAMETER["central_meridian",171.360748472222],PARAMETER["scale_factor",1],PARAMETER["false_easting",300000],PARAMETER["false_northing",700000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","27225"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=-43.7487115555556"
	"lon_0=171.360748472222"
	"k=1"
	"x_0=300000"
	"y_0=700000"
	"ellps=intl"
	"nadgrids=nzgd2kgrid0005.gsb"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=-43.7487115555556 +lon_0=171.360748472222 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.gsb +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=-43.7487115555556 +lon_0=171.360748472222 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.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 ( 27225, 'EPSG', 27225, '+proj=tmerc +lat_0=-43.7487115555556 +lon_0=171.360748472222 +k=1 +x_0=300000 +y_0=700000 +ellps=intl +nadgrids=nzgd2kgrid0005.gsb +units=m +no_defs +type=crs', 'PROJCS["NZGD49 / Gawler Circuit",GEOGCS["NZGD49",DATUM["New_Zealand_Geodetic_Datum_1949",SPHEROID["International 1924",6378388,297],EXTENSION["PROJ4_GRIDS","nzgd2kgrid0005.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4272"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",-43.7487115555556],PARAMETER["central_meridian",171.360748472222],PARAMETER["scale_factor",1],PARAMETER["false_easting",300000],PARAMETER["false_northing",700000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","27225"]]');