ESRI:102140 DEPRECATED

Hong Kong 1980 Grid

Attributes

Data source: ESRI

Information source: ESRI

Area of use: China - Hong Kong

Description: Hong Kong 1980 Grid

Covered area powered by MapTiler MapTiler logo
SimpleMap

Center coordinates
831954.8 823986.75

Projected bounds:
793259.7 799071.1
870636.0 848961.79

WGS84 bounds:
113.76 22.13
114.51 22.58

China - Hong Kong
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Definition: OGC Well Known Text

PROJCS["Hong_Kong_1980_Grid (deprecated)",
    GEOGCS["Hong Kong 1980",
        DATUM["Hong_Kong_1980",
            SPHEROID["International 1924",6378388,297,
                AUTHORITY["EPSG","7022"]],
            AUTHORITY["EPSG","6611"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4611"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",22.3121333333333],
    PARAMETER["central_meridian",114.178555555556],
    PARAMETER["scale_factor",1],
    PARAMETER["false_easting",836694.05],
    PARAMETER["false_northing",819069.8],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["ESRI","102140"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Hong_Kong_1980_Grid",
    BASEGEOGCRS["Hong Kong 1980",
        DATUM["Hong Kong 1980",
            ELLIPSOID["International 1924",6378388,297,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4611]],
    CONVERSION["Hong_Kong_1980_Grid",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        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["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",836694.05,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",819069.8,
            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["Not known."],
        AREA["China - Hong Kong - onshore and offshore."],
        BBOX[22.13,113.76,22.58,114.51]],
    ID["ESRI",102140]]

Definition: ESRI Well Known Text

PROJCS["Hong_Kong_1980_Grid",
    GEOGCS["GCS_Hong_Kong_1980",
        DATUM["D_Hong_Kong_1980",
            SPHEROID["International_1924",6378388.0,297.0]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",836694.05],
    PARAMETER["False_Northing",819069.8],
    PARAMETER["Central_Meridian",114.178555555556],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",22.3121333333333],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=22.3121333333333 +lon_0=114.178555555556 +k=1 +x_0=836694.05 +y_0=819069.8 +ellps=intl +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("ESRI:102140","+proj=tmerc +lat_0=22.3121333333333 +lon_0=114.178555555556 +k=1 +x_0=836694.05 +y_0=819069.8 +ellps=intl +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Hong_Kong_1980_Grid",
    "base_crs": {
        "name": "Hong Kong 1980",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Hong Kong 1980",
            "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": 4611
        }
    },
    "conversion": {
        "name": "Hong_Kong_1980_Grid",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "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": "Scale factor at natural origin",
                "value": 1,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 836694.05,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 819069.8,
                "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"
            }
        ]
    },
    "scope": "Not known.",
    "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": "ESRI",
        "code": 102140
    }
}

Definition: GeoServer

102140=PROJCS["Hong_Kong_1980_Grid (deprecated)",GEOGCS["Hong Kong 1980",DATUM["Hong_Kong_1980",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6611"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4611"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.3121333333333],PARAMETER["central_meridian",114.178555555556],PARAMETER["scale_factor",1],PARAMETER["false_easting",836694.05],PARAMETER["false_northing",819069.8],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102140"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=22.3121333333333"
	"lon_0=114.178555555556"
	"k=1"
	"x_0=836694.05"
	"y_0=819069.8"
	"ellps=intl"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=22.3121333333333 +lon_0=114.178555555556 +k=1 +x_0=836694.05 +y_0=819069.8 +ellps=intl +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=22.3121333333333 +lon_0=114.178555555556 +k=1 +x_0=836694.05 +y_0=819069.8 +ellps=intl +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 102140, 'ESRI', 102140, '+proj=tmerc +lat_0=22.3121333333333 +lon_0=114.178555555556 +k=1 +x_0=836694.05 +y_0=819069.8 +ellps=intl +units=m +no_defs +type=crs', 'PROJCS["Hong_Kong_1980_Grid (deprecated)",GEOGCS["Hong Kong 1980",DATUM["Hong_Kong_1980",SPHEROID["International 1924",6378388,297,AUTHORITY["EPSG","7022"]],AUTHORITY["EPSG","6611"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4611"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",22.3121333333333],PARAMETER["central_meridian",114.178555555556],PARAMETER["scale_factor",1],PARAMETER["false_easting",836694.05],PARAMETER["false_northing",819069.8],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102140"]]');