EPSG:4131

Indian 1960

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Available transformations
to EPSG:4326
EPSG:4326 - WGS 84

Selected transformation

Method: Geocentric translations (geog2D domain)

Remarks: Derived at 2 stations. Accuracy 25m in each axis.

Information source: U.S. Defense Mapping Agency TR8350.2 revision of August 1993.

Revision date: 2020-03-14

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Indian 1960

Datum: Indian 1960

Ellipsoid: Everest 1830 (1937 Adjustment)

Prime meridian: Greenwich

Data source: EPSG

Revision date: 2012-03-25

Scope: Geodesy.

Area of use: Cambodia - onshore; Vietnam - onshore and offshore Cuu Long basin.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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SimpleMap

Center coordinates
107.49 16.0

WGS84 bounds:
105.61 14.0
109.36 18.01

Vietnam - onshore between 14°N and 18°N.
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Definition: OGC Well Known Text

GEOGCS["Indian 1960",
    DATUM["Indian_1960",
        SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],
        TOWGS84[198,881,317,0,0,0,0]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4131"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Indian 1960",
    DATUM["Indian 1960",
        ELLIPSOID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["Cambodia - onshore; Vietnam - onshore and offshore Cuu Long basin."],
        BBOX[7.99,102.14,23.4,110]],
    ID["EPSG",4131]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Indian_1960",
    DATUM["D_Indian_1960",
        SPHEROID["Everest_Adjustment_1937",6377276.345,300.8017]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=evrst30 +towgs84=198,881,317,0,0,0,0 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:4131","+proj=longlat +ellps=evrst30 +towgs84=198,881,317,0,0,0,0 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Indian 1960",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Indian 1960",
        "ellipsoid": {
            "name": "Everest 1830 (1937 Adjustment)",
            "semi_major_axis": 6377276.345,
            "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"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "Cambodia - onshore; Vietnam - onshore and offshore Cuu Long basin.",
    "bbox": {
        "south_latitude": 7.99,
        "west_longitude": 102.14,
        "north_latitude": 23.4,
        "east_longitude": 110
    },
    "id": {
        "authority": "EPSG",
        "code": 4131
    }
}

Definition: GeoServer

4131=GEOGCS["Indian 1960",DATUM["Indian_1960",SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],TOWGS84[198,881,317,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4131"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=evrst30"
	"towgs84=198,881,317,0,0,0,0"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=evrst30 +towgs84=198,881,317,0,0,0,0 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=evrst30 +towgs84=198,881,317,0,0,0,0 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 4131, 'EPSG', 4131, '+proj=longlat +ellps=evrst30 +towgs84=198,881,317,0,0,0,0 +no_defs +type=crs', 'GEOGCS["Indian 1960",DATUM["Indian_1960",SPHEROID["Everest 1830 (1937 Adjustment)",6377276.345,300.8017],TOWGS84[198,881,317,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4131"]]');