EPSG:CODE

EPSG:4678 — Lao 1997

Geographic 2D · Laos

Export Formats

OGC WKT
GEOGCS[
    "Lao 1997",
    DATUM[
        "Lao_National_Datum_1997",
        SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],
        AUTHORITY["EPSG","6678"]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4678"]
]

Related Coordinate Systems

Available Transformations (3)

Transformation Source → Target Accuracy (m)
Lao 1993 to Lao 1997 (1)
4677 → 4678 0.15
Vientiane 1982 to Lao 1997 (1)
4676 → 4678 2
Lao 1997 to WGS 84 (1)
4678 → 4326 5

Other CRS for LA

Other CRS using Lao National Datum 1997

Frequently Asked Questions

How do I add EPSG:4678 to GeoServer?

Add the following definition to your GeoServer configuration: 

4678=GEOGCS["Lao 1997",DATUM["Lao_National_Datum_1997",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6678"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4678"]]
Read the full GeoServer guide →

How do I add EPSG:4678 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4678, 'EPSG', 4678, '+proj=longlat +ellps=krass +no_defs +type=crs', 'GEOGCS["Lao 1997",DATUM["Lao_National_Datum_1997",SPHEROID["Krassowsky 1940",6378245,298.3,AUTHORITY["EPSG","7024"]],AUTHORITY["EPSG","6678"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4678"]]');
Read the full PostGIS guide →

How do I add EPSG:4678 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=krass"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:4678 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:4678", "+proj=longlat +ellps=krass +no_defs +type=crs");
Read the full Proj4js guide →