EPSG:CODE

EPSG:4691 — Moorea 87

Geographic 2D · French Polynesia - Society Islands - Moorea

Export Formats

OGC WKT
GEOGCS[
    "Moorea 87",
    DATUM[
        "Moorea_87",
        SPHEROID["International 1924",6378388,297],
        TOWGS84[218.769,150.75,176.75,3.5231,2.0037,1.288,10.9817]
    ],
    PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","4691"]
]

Related Coordinate Systems

Available Transformations (4)

Transformation Source → Target Accuracy (m)
Moorea 87 to RGPF (2)
4691 → 4687 0.5
Moorea 87 to WGS 84 (2)
4691 → 4326 1
Moorea 87 to RGPF (1) Deprecated
4691 → 4687 0.5
Moorea 87 to WGS 84 (1) Deprecated
4691 → 4326 1

Other CRS using Moorea 87

Frequently Asked Questions

How do I add EPSG:4691 to GeoServer?

Add the following definition to your GeoServer configuration: 

4691=GEOGCS["Moorea 87",DATUM["Moorea_87",SPHEROID["International 1924",6378388,297],TOWGS84[218.769,150.75,176.75,3.5231,2.0037,1.288,10.9817]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4691"]]
Read the full GeoServer guide →

How do I add EPSG:4691 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4691, 'EPSG', 4691, '+proj=longlat +ellps=intl +towgs84=218.769,150.75,176.75,3.5231,2.0037,1.288,10.9817 +no_defs +type=crs', 'GEOGCS["Moorea 87",DATUM["Moorea_87",SPHEROID["International 1924",6378388,297],TOWGS84[218.769,150.75,176.75,3.5231,2.0037,1.288,10.9817]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4691"]]');
Read the full PostGIS guide →

How do I add EPSG:4691 to MapServer?

Add the following definition to your MapServer configuration: 

PROJECTION
  "+proj=longlat"
  "+ellps=intl"
  "+towgs84=218.769,150.75,176.75,3.5231,2.0037,1.288,10.9817"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:4691 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:4691", "+proj=longlat +ellps=intl +towgs84=218.769,150.75,176.75,3.5231,2.0037,1.288,10.9817 +no_defs +type=crs");
Read the full Proj4js guide →