EPSG:8428

Macao 1920

Transform Get position on a map

Available transformations
to EPSG:4326
No other targets exist for this CRS

  • China - Macao - onshore and offshore. , accuracy 1.0 m, code 8438 (default) [7]

Selected transformation

Method: Molodensky-Badekas (CF geog2D domain)

Remarks: Derived from Macao 2008 to Macao 1920 (1) (code 8435) (reversed) assuming that Macao 2008 is equivalent to WGS 84 within the accuracy of the transformation. Some parameter values differ in the reverse due to the high rotations.

Information source: IOGP

Revision date: 2021-09-23

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Macao 1920

Datum: Macao 1920

Ellipsoid: International 1924

Prime meridian: Greenwich

Data source: EPSG

Information source: Directorate of Cartographic and Cadastral Services (DSCC).

Revision date: 2018-02-08

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Area of use: China - Macao - onshore and offshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

Covered area powered by MapTiler MapTiler logo
SimpleMap

Center coordinates
113.6 22.15

WGS84 bounds:
113.52 22.06
113.68 22.23

China - Macao - onshore and offshore.
MapTiler banner

Definition: OGC Well Known Text

GEOGCS["Macao 1920",
    DATUM["Macao_1920",
        SPHEROID["International 1924",6378388,297],
        TOWGS84[-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","8428"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Macao 1920",
    DATUM["Macao 1920",
        ELLIPSOID["International 1924",6378388,297,
            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]],
    USAGE[
        SCOPE["Geodesy, cadastre, engineering survey, topographic mapping."],
        AREA["China - Macao - onshore and offshore."],
        BBOX[22.06,113.52,22.23,113.68]],
    ID["EPSG",8428]]

Definition: ESRI Well Known Text

GEOGCS["Macao_1920",
    DATUM["Macao_1920",
        SPHEROID["International_1924",6378388.0,297.0]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:8428","+proj=longlat +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Macao 1920",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Macao 1920",
        "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"
            }
        ]
    },
    "scope": "Geodesy, cadastre, engineering survey, topographic mapping.",
    "area": "China - Macao - onshore and offshore.",
    "bbox": {
        "south_latitude": 22.06,
        "west_longitude": 113.52,
        "north_latitude": 22.23,
        "east_longitude": 113.68
    },
    "id": {
        "authority": "EPSG",
        "code": 8428
    }
}

Definition: GeoServer

8428=GEOGCS["Macao 1920",DATUM["Macao_1920",SPHEROID["International 1924",6378388,297],TOWGS84[-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8428"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=intl"
	"towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 8428, 'EPSG', 8428, '+proj=longlat +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +no_defs +type=crs', 'GEOGCS["Macao 1920",DATUM["Macao_1920",SPHEROID["International 1924",6378388,297],TOWGS84[-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","8428"]]');