EPSG:4391

Kertau 1968 / Sembilan and Melaka Grid

Transform Get position on a map

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

  • Malaysia , accuracy 15.0 m, code 1158 (default) [3]

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 6 stations. Accuracy 10m, 8m and 6m in X, Y and Z axes.

Information source: U.S. Defense Mapping Agency TR8350.2 September 1987.

Revision date: 2020-03-14

Attributes

Unit: metre

Geodetic CRS: Kertau 1968

Datum: Kertau 1968

Ellipsoid: Everest 1830 Modified

Prime meridian: Greenwich

Data source: EPSG

Information source: Department of Survey and Mapping Malaysia. www.jupem.gov.my

Revision date: 2014-10-12

Scope: Cadastre.

Remarks: Replaced by GDM2000 / Sembilan and Melaka Grid (CRS code 3378).

Area of use: Malaysia - West Malaysia - Negeri Sembilan and Melaka.

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

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SimpleMap

Center coordinates
84695.92 193478.8

Projected bounds:
-261756.99 -175893.17
431629.23 564767.92

WGS84 bounds:
99.59 1.13
105.82 7.81

Malaysia - West Malaysia onshore and offshore east coast; Singapore - onshore and offshore.
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Definition: OGC Well Known Text

PROJCS["Kertau 1968 / Sembilan and Melaka Grid",
    GEOGCS["Kertau 1968",
        DATUM["Kertau_1968",
            SPHEROID["Everest 1830 Modified",6377304.063,300.8017],
            TOWGS84[-11,851,5,0,0,0,0]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4245"]],
    PROJECTION["Cassini_Soldner"],
    PARAMETER["latitude_of_origin",2.71228333333333],
    PARAMETER["central_meridian",101.941166666667],
    PARAMETER["false_easting",-242.005],
    PARAMETER["false_northing",-948.547],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","4391"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["Kertau 1968 / Sembilan and Melaka Grid",
    BASEGEOGCRS["Kertau 1968",
        DATUM["Kertau 1968",
            ELLIPSOID["Everest 1830 Modified",6377304.063,300.8017,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4245]],
    CONVERSION["Sembilan and Melaka Cassini Grid",
        METHOD["Cassini-Soldner",
            ID["EPSG",9806]],
        PARAMETER["Latitude of natural origin",2.71228333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",101.941166666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["False easting",-242.005,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",-948.547,
            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["Cadastre."],
        AREA["Malaysia - West Malaysia - Negeri Sembilan and Melaka."],
        BBOX[2.03,101.7,3.28,102.71]],
    ID["EPSG",4391]]

Definition: ESRI Well Known Text

PROJCS["Kertau_1968_Sembilan_and_Melaka_Grid",
    GEOGCS["GCS_Kertau",
        DATUM["D_Kertau",
            SPHEROID["Everest_1830_Modified",6377304.063,300.8017]],
        PRIMEM["Greenwich",0.0],
        UNIT["Degree",0.0174532925199433]],
    PROJECTION["Cassini"],
    PARAMETER["False_Easting",-242.005],
    PARAMETER["False_Northing",-948.547],
    PARAMETER["Central_Meridian",101.941166666667],
    PARAMETER["Scale_Factor",1.0],
    PARAMETER["Latitude_Of_Origin",2.71228333333333],
    UNIT["Meter",1.0]]

Definition: PROJ.4

+proj=cass +lat_0=2.71228333333333 +lon_0=101.941166666667 +x_0=-242.005 +y_0=-948.547 +ellps=evrst48 +towgs84=-11,851,5,0,0,0,0 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4391","+proj=cass +lat_0=2.71228333333333 +lon_0=101.941166666667 +x_0=-242.005 +y_0=-948.547 +ellps=evrst48 +towgs84=-11,851,5,0,0,0,0 +units=m +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "Kertau 1968 / Sembilan and Melaka Grid",
    "base_crs": {
        "name": "Kertau 1968",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "Kertau 1968",
            "ellipsoid": {
                "name": "Everest 1830 Modified",
                "semi_major_axis": 6377304.063,
                "inverse_flattening": 300.8017
            }
        },
        "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": 4245
        }
    },
    "conversion": {
        "name": "Sembilan and Melaka Cassini Grid",
        "method": {
            "name": "Cassini-Soldner",
            "id": {
                "authority": "EPSG",
                "code": 9806
            }
        },
        "parameters": [
            {
                "name": "Latitude of natural origin",
                "value": 2.71228333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8801
                }
            },
            {
                "name": "Longitude of natural origin",
                "value": 101.941166666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8802
                }
            },
            {
                "name": "False easting",
                "value": -242.005,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8806
                }
            },
            {
                "name": "False northing",
                "value": -948.547,
                "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": "Cadastre.",
    "area": "Malaysia - West Malaysia - Negeri Sembilan and Melaka.",
    "bbox": {
        "south_latitude": 2.03,
        "west_longitude": 101.7,
        "north_latitude": 3.28,
        "east_longitude": 102.71
    },
    "id": {
        "authority": "EPSG",
        "code": 4391
    }
}

Definition: GeoServer

4391=PROJCS["Kertau 1968 / Sembilan and Melaka Grid",GEOGCS["Kertau 1968",DATUM["Kertau_1968",SPHEROID["Everest 1830 Modified",6377304.063,300.8017],TOWGS84[-11,851,5,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4245"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",2.71228333333333],PARAMETER["central_meridian",101.941166666667],PARAMETER["false_easting",-242.005],PARAMETER["false_northing",-948.547],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4391"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=cass"
	"lat_0=2.71228333333333"
	"lon_0=101.941166666667"
	"x_0=-242.005"
	"y_0=-948.547"
	"ellps=evrst48"
	"towgs84=-11,851,5,0,0,0,0"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=cass +lat_0=2.71228333333333 +lon_0=101.941166666667 +x_0=-242.005 +y_0=-948.547 +ellps=evrst48 +towgs84=-11,851,5,0,0,0,0 +units=m +no_defs +type=crs">
	<Layer srs="+proj=cass +lat_0=2.71228333333333 +lon_0=101.941166666667 +x_0=-242.005 +y_0=-948.547 +ellps=evrst48 +towgs84=-11,851,5,0,0,0,0 +units=m +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4391, 'EPSG', 4391, '+proj=cass +lat_0=2.71228333333333 +lon_0=101.941166666667 +x_0=-242.005 +y_0=-948.547 +ellps=evrst48 +towgs84=-11,851,5,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["Kertau 1968 / Sembilan and Melaka Grid",GEOGCS["Kertau 1968",DATUM["Kertau_1968",SPHEROID["Everest 1830 Modified",6377304.063,300.8017],TOWGS84[-11,851,5,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4245"]],PROJECTION["Cassini_Soldner"],PARAMETER["latitude_of_origin",2.71228333333333],PARAMETER["central_meridian",101.941166666667],PARAMETER["false_easting",-242.005],PARAMETER["false_northing",-948.547],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","4391"]]');