EPSG:5179

KGD2002 / Unified CS

Transform Get position on a map

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

  • Republic of Korea (South Korea) , accuracy 1.0 m, code 15831 (default) [3]

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Approximation at the +/- 1m level assuming that ITRF2000 is equivalent to WGS 84.

Information source: OGP

Revision date: 2023-07-17

Attributes

Unit: metre

Geodetic CRS: KGD2002

Datum: Korean Geodetic Datum 2002

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: National Geographic Information Institute (NGII).

Revision date: 2023-07-17

Scope: Topographic mapping (small scale).

Remarks: Replaces Korean 1985 / Unified CS (CRS code 5178) from 2010.

Area of use: Republic of Korea (South Korea) - onshore and offshore.

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

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SimpleMap

Center coordinates
1091416.74 1605023.49

Projected bounds:
531371.84 957856.66
1663741.9 2274021.31

WGS84 bounds:
122.71 28.6
134.28 40.27

Republic of Korea (South Korea) - onshore and offshore.
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Definition: OGC Well Known Text

PROJCS["KGD2002 / Unified CS",
    GEOGCS["KGD2002",
        DATUM["Korean_Geodetic_Datum_2002",
            SPHEROID["GRS 1980",6378137,298.257222101],
            TOWGS84[0,0,0,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4737"]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",38],
    PARAMETER["central_meridian",127.5],
    PARAMETER["scale_factor",0.9996],
    PARAMETER["false_easting",1000000],
    PARAMETER["false_northing",2000000],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AUTHORITY["EPSG","5179"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["KGD2002 / Unified CS",
    BASEGEOGCRS["KGD2002",
        DATUM["Korean Geodetic Datum 2002",
            ELLIPSOID["GRS 1980",6378137,298.257222101,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4737]],
    CONVERSION["Korea Unified Belt",
        METHOD["Transverse Mercator",
            ID["EPSG",9807]],
        PARAMETER["Latitude of natural origin",38,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",127.5,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",0.9996,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",1000000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",2000000,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["northing (X)",north,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["easting (Y)",east,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Topographic mapping (small scale)."],
        AREA["Republic of Korea (South Korea) - onshore and offshore."],
        BBOX[28.6,122.71,40.27,134.28]],
    ID["EPSG",5179]]

Definition: ESRI Well Known Text

PROJCS["KGD2002_Unified_Coordinate_System",
    GEOGCS["GCS_KGD2002",
        DATUM["D_Korea_Geodetic_Datum_2002",
            SPHEROID["GRS_1980",6378137.0,298.257222101]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["False_Easting",1000000.0],
    PARAMETER["False_Northing",2000000.0],
    PARAMETER["Central_Meridian",127.5],
    PARAMETER["Scale_Factor",0.9996],
    PARAMETER["Latitude_Of_Origin",38.0],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=tmerc +lat_0=38 +lon_0=127.5 +k=0.9996 +x_0=1000000 +y_0=2000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:5179","+proj=tmerc +lat_0=38 +lon_0=127.5 +k=0.9996 +x_0=1000000 +y_0=2000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "KGD2002 / Unified CS",
    "base_crs": {
        "name": "KGD2002",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Korean Geodetic Datum 2002",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "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": 4737
        }
    },
    "conversion": {
        "name": "Korea Unified Belt",
        "method": {
            "name": "Transverse Mercator",
            "id": {
                "authority": "EPSG",
                "code": 9807
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 38,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 127.5,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "Scale factor at natural origin",
                "value": 0.9996,
                "unit": "unity",
                "id": {
                    "authority": "EPSG",
                    "code": 8805
                }
            },
            {
                "name": "False easting",
                "value": 1000000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": 2000000,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8807
                }
            }
        ]
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Northing",
                "abbreviation": "X",
                "direction": "north",
                "unit": "metre"
            },
            {
                "name": "Easting",
                "abbreviation": "Y",
                "direction": "east",
                "unit": "metre"
            }
        ]
    },
    "scope": "Topographic mapping (small scale).",
    "area": "Republic of Korea (South Korea) - onshore and offshore.",
    "bbox": {
        "south_latitude": 28.6,
        "west_longitude": 122.71,
        "north_latitude": 40.27,
        "east_longitude": 134.28
    },
    "id": {
        "authority": "EPSG",
        "code": 5179
    }
}

Definition: GeoServer

5179=PROJCS["KGD2002 / Unified CS",GEOGCS["KGD2002",DATUM["Korean_Geodetic_Datum_2002",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4737"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",38],PARAMETER["central_meridian",127.5],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1000000],PARAMETER["false_northing",2000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5179"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=38"
	"lon_0=127.5"
	"k=0.9996"
	"x_0=1000000"
	"y_0=2000000"
	"ellps=GRS80"
	"towgs84=0,0,0,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=38 +lon_0=127.5 +k=0.9996 +x_0=1000000 +y_0=2000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=38 +lon_0=127.5 +k=0.9996 +x_0=1000000 +y_0=2000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5179, 'EPSG', 5179, '+proj=tmerc +lat_0=38 +lon_0=127.5 +k=0.9996 +x_0=1000000 +y_0=2000000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["KGD2002 / Unified CS",GEOGCS["KGD2002",DATUM["Korean_Geodetic_Datum_2002",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4737"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",38],PARAMETER["central_meridian",127.5],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",1000000],PARAMETER["false_northing",2000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","5179"]]');