EPSG:8433 — Macao 1920 / Macao Grid

Projected · Macao

Export Formats

OGC WKT

PROJCS[
    "Macao 1920 / Macao Grid",
    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"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",22.2123972222222],
    PARAMETER["central_meridian",113.536469444444],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",20000],
    PARAMETER["false_northing",20000],
    UNIT["metre",1,AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","8433"]
]

WKT2

PROJCRS[
    "Macao 1920 / Macao Grid",
    BASEGEOGCRS[
        "Macao 1920",
        DATUM[
            "Macao 1920",
            ELLIPSOID[
                "International 1924",
                6378388,
                297,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7022]
            ],
            ID["EPSG",1207]
        ],
        ID["EPSG",8428]
    ],
    CONVERSION[
        "Macau Grid",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            22.2123972222225,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            113.536469444445,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            1,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            20000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            20000,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",8807]
        ],
        ID["EPSG",8432]
    ],
    CS[Cartesian,2,ID["EPSG",4500]],
    AXIS["Northing (N)",north],
    AXIS["Easting (E)",east],
    LENGTHUNIT["metre",1,ID["EPSG",9001]],
    ID["EPSG",8433]
]

PROJ.4

+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:8433", "+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 8433,
  "name": "Macao 1920 / Macao Grid",
  "kind": "projected",
  "area": "Macao",
  "unit": "metre",
  "bbox": [
    22.06,
    113.52,
    22.23,
    113.68
  ],
  "proj4": "+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8433, 'EPSG', 8433, '+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs', 'PROJCS["Macao 1920 / Macao Grid",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"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.2123972222222],PARAMETER["central_meridian",113.536469444444],PARAMETER["scale_factor",1],PARAMETER["false_easting",20000],PARAMETER["false_northing",20000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","8433"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=22.2123972222222"
  "+lon_0=113.536469444444"
  "+k=1"
  "+x_0=20000"
  "+y_0=20000"
  "+ellps=intl"
  "+towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

8433=PROJCS["Macao 1920 / Macao Grid",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"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.2123972222222],PARAMETER["central_meridian",113.536469444444],PARAMETER["scale_factor",1],PARAMETER["false_easting",20000],PARAMETER["false_northing",20000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","8433"]]

Related Coordinate Systems

Available Transformations (2)

Transformations inherited from base CRS: EPSG:8428 (Macao 1920)

Transformation	Source → Target	Accuracy (m)
Macao 1920 to WGS 84 (1)	8428 → 4326	1
Macao 2008 to Macao 1920 (1)	8431 → 8428	999

Other CRS for MO

Other CRS using Macao 1920

Frequently Asked Questions

How do I add EPSG:8433 to GeoServer?

Add the following definition to your GeoServer configuration:

8433=PROJCS["Macao 1920 / Macao Grid",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"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.2123972222222],PARAMETER["central_meridian",113.536469444444],PARAMETER["scale_factor",1],PARAMETER["false_easting",20000],PARAMETER["false_northing",20000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","8433"]]

Read the full GeoServer guide →

How do I add EPSG:8433 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8433, 'EPSG', 8433, '+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs', 'PROJCS["Macao 1920 / Macao Grid",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"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.2123972222222],PARAMETER["central_meridian",113.536469444444],PARAMETER["scale_factor",1],PARAMETER["false_easting",20000],PARAMETER["false_northing",20000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","8433"]]');

Read the full PostGIS guide →

How do I add EPSG:8433 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=22.2123972222222"
  "+lon_0=113.536469444444"
  "+k=1"
  "+x_0=20000"
  "+y_0=20000"
  "+ellps=intl"
  "+towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096"
  "+units=m"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:8433 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:8433", "+proj=tmerc +lat_0=22.2123972222222 +lon_0=113.536469444444 +k=1 +x_0=20000 +y_0=20000 +ellps=intl +towgs84=-202.865,-303.99,-155.873,-34.079,76.126,32.66,6.096 +units=m +no_defs +type=crs");

Read the full Proj4js guide →