EPSG:1025

Taiwan Datum 1967

Attributes

Ellipsoid: GRS 1967 Modified

Prime meridian: Greenwich

Data source: EPSG

Information source: National Land Surveying and Mapping Center (NLSC), http://www.nlsc.gov.tw

Revision date: 2008-08-11

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Remarks: Adopted in 1980. TWD67 uses the GRS 1967 ellipsoid but with 1/f to exactly 2 decimal places.

Area of use: Taiwan, Republic of China - onshore - Taiwan Island, Penghu (Pescadores) Islands.

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Definition: Well Known Text (WKT)

DATUM["Taiwan_Datum_1967",
    SPHEROID["GRS 1967 Modified",6378160,298.25,
        AUTHORITY["EPSG","7050"]],
    AUTHORITY["EPSG","1025"]]

Definition: ESRI WKT

DATUM["D_TWD_1967",SPHEROID["GRS_1967_Truncated",6378160.0,298.25]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.4/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Taiwan Datum 1967",
    "ellipsoid": {
        "name": "GRS 1967 Modified",
        "semi_major_axis": 6378160,
        "inverse_flattening": 298.25
    },
    "scope": "Geodesy, cadastre, engineering survey, topographic mapping.",
    "area": "Taiwan, Republic of China - onshore - Taiwan Island, Penghu (Pescadores) Islands.",
    "bbox": {
        "south_latitude": 21.87,
        "west_longitude": 119.25,
        "north_latitude": 25.34,
        "east_longitude": 122.06
    },
    "id": {
        "authority": "EPSG",
        "code": 1025
    }
}

Definition: GeoServer

1025-datum=DATUM["Taiwan_Datum_1967",SPHEROID["GRS 1967 Modified",6378160,298.25,AUTHORITY["EPSG","7050"]],AUTHORITY["EPSG","1025"]]

Definition: OGC WKT

DATUM["Taiwan_Datum_1967",SPHEROID["GRS 1967 Modified",6378160,298.25,AUTHORITY["EPSG","7050"]],AUTHORITY["EPSG","1025"]]

Definition: OGC WKT 2 (2019)

DATUM["Taiwan Datum 1967",ELLIPSOID["GRS 1967 Modified",6378160,298.25,LENGTHUNIT["metre",1]],ID["EPSG",1025]]