EPSG:3366 DEPRECATED

Hong Kong 1963 Grid System

Attributes

Unit: metre

Geodetic CRS: Hong Kong 1963

Datum: Hong Kong 1963

Ellipsoid: Clarke 1858

Prime meridian: Greenwich

Data source: EPSG

Information source: Survey and Mapping Office, Lands Department. Http://www.info.gov.hk/landsd

Revision date: 2006-02-06

Scope: Cadastre, engineering survey, topographic mapping (large scale).

Remarks: Superseded by Hong Kong 1980 Grid System (CRS code 2326).

Area of use: China - Hong Kong - onshore and offshore.

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

Center coordinates
35757.08 23817.19

Projected bounds:
-2939.15 -1097.3
74438.99 48791.49

WGS84 bounds:
113.76 22.13
114.51 22.58

China - Hong Kong - onshore and offshore.
MapTiler banner

Definition: OGC Well Known Text

PROJCS["Hong Kong 1963 Grid System (deprecated)",
    GEOGCS["Hong Kong 1963",
        DATUM["Hong_Kong_1963",
            SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,
                AUTHORITY["EPSG","7007"]],
            AUTHORITY["EPSG","6738"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4738"]],
    PROJECTION["Cassini_Soldner"],
    PARAMETER["latitude_of_origin",22.3121333333333],
    PARAMETER["central_meridian",114.178555555556],
    PARAMETER["false_easting",40243.5777560424],
    PARAMETER["false_northing",19069.9335151258],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","3366"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Hong Kong 1963 Grid System",
    BASEGEOGCRS["Hong Kong 1963",
        DATUM["Hong Kong 1963",
            ELLIPSOID["Clarke 1858",20926348,294.260676369261,
                LENGTHUNIT["Clarke's foot",0.3047972654]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4738]],
    CONVERSION["Hong Kong 1963 Grid",
        METHOD["Cassini-Soldner",
            ID["EPSG",9806]],
        PARAMETER["Latitude of natural origin",22.3121333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",114.178555555556,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["False easting",132033.92,
            LENGTHUNIT["Clarke's foot",0.3047972654],
            ID["EPSG",8806]],
        PARAMETER["False northing",62565.96,
            LENGTHUNIT["Clarke's foot",0.3047972654],
            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, engineering survey, topographic mapping (large scale)."],
        AREA["China - Hong Kong - onshore and offshore."],
        BBOX[22.13,113.76,22.58,114.51]],
    ID["EPSG",3366]]

Definition: ESRI Well Known Text

PROJCS["Hong_Kong_1963_Grid_System",
    GEOGCS["GCS_Hong_Kong_1963",
        DATUM["D_Hong_Kong_1963",
            SPHEROID["Clarke_1858",6378293.64520876,294.260676369261]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Cassini"],
    PARAMETER["False_Easting",40243.5777560424],
    PARAMETER["False_Northing",19069.9335151258],
    PARAMETER["Central_Meridian",114.178555555556],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",22.3121333333333],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=cass +lat_0=22.3121333333333 +lon_0=114.178555555556 +x_0=40243.5777560424 +y_0=19069.9335151258 +a=6378293.64520876 +b=6356617.98767984 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:3366","+proj=cass +lat_0=22.3121333333333 +lon_0=114.178555555556 +x_0=40243.5777560424 +y_0=19069.9335151258 +a=6378293.64520876 +b=6356617.98767984 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Hong Kong 1963 Grid System",
    "base_crs": {
        "name": "Hong Kong 1963",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Hong Kong 1963",
            "ellipsoid": {
                "name": "Clarke 1858",
                "semi_major_axis": {
                    "value": 20926348,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "Clarke's foot",
                        "conversion_factor": 0.3047972654
                    }
                },
                "semi_minor_axis": {
                    "value": 20855233,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "Clarke's foot",
                        "conversion_factor": 0.3047972654
                    }
                }
            }
        },
        "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": 4738
        }
    },
    "conversion": {
        "name": "Hong Kong 1963 Grid",
        "method": {
            "name": "Cassini-Soldner",
            "id": {
                "authority": "EPSG",
                "code": 9806
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 22.3121333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 114.178555555556,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "False easting",
                "value": 132033.92,
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's foot",
                    "conversion_factor": 0.3047972654
                },
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 62565.96,
                "unit": {
                    "type": "LinearUnit",
                    "name": "Clarke's foot",
                    "conversion_factor": 0.3047972654
                },
                "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, engineering survey, topographic mapping (large scale).",
    "area": "China - Hong Kong - onshore and offshore.",
    "bbox": {
        "south_latitude": 22.13,
        "west_longitude": 113.76,
        "north_latitude": 22.58,
        "east_longitude": 114.51
    },
    "id": {
        "authority": "EPSG",
        "code": 3366
    }
}

Definition: GeoServer

3366=PROJCS["Hong Kong 1963 Grid System (deprecated)",GEOGCS["Hong Kong 1963",DATUM["Hong_Kong_1963",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6738"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4738"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",22.3121333333333],PARAMETER["central_meridian",114.178555555556],PARAMETER["false_easting",40243.5777560424],PARAMETER["false_northing",19069.9335151258],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3366"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=cass"
	"lat_0=22.3121333333333"
	"lon_0=114.178555555556"
	"x_0=40243.5777560424"
	"y_0=19069.9335151258"
	"a=6378293.64520876"
	"b=6356617.98767984"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=cass +lat_0=22.3121333333333 +lon_0=114.178555555556 +x_0=40243.5777560424 +y_0=19069.9335151258 +a=6378293.64520876 +b=6356617.98767984 +units=m +no_defs +type=crs">
	<Layer srs="+proj=cass +lat_0=22.3121333333333 +lon_0=114.178555555556 +x_0=40243.5777560424 +y_0=19069.9335151258 +a=6378293.64520876 +b=6356617.98767984 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 3366, 'EPSG', 3366, '+proj=cass +lat_0=22.3121333333333 +lon_0=114.178555555556 +x_0=40243.5777560424 +y_0=19069.9335151258 +a=6378293.64520876 +b=6356617.98767984 +units=m +no_defs +type=crs', 'PROJCS["Hong Kong 1963 Grid System (deprecated)",GEOGCS["Hong Kong 1963",DATUM["Hong_Kong_1963",SPHEROID["Clarke 1858",6378293.64520876,294.260676369261,AUTHORITY["EPSG","7007"]],AUTHORITY["EPSG","6738"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4738"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",22.3121333333333],PARAMETER["central_meridian",114.178555555556],PARAMETER["false_easting",40243.5777560424],PARAMETER["false_northing",19069.9335151258],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","3366"]]');