EPSG:4690 — Tahiti 79
Geographic 2D · French Polynesia - Society Islands - Tahiti
Export Formats
OGC WKT
GEOGCS[
"Tahiti 79",
DATUM[
"Tahiti_79",
SPHEROID["International 1924",6378388,297],
TOWGS84[221.597,152.441,176.523,2.403,1.3893,0.884,11.4648]
],
PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
AUTHORITY["EPSG","4690"]
]Related Coordinate Systems
Available Transformations (5)
| Transformation | Source → Target | Accuracy (m) |
|---|---|---|
| 4690 → 4687 | 0.5 | |
| 4690 → 4326 | 1 | |
| Tahiti 79 to WGS 84 (1) Deprecated | 4690 → 4326 | 1 |
| Tahiti 79 to RGPF (1) Deprecated | 4690 → 4687 | 0.5 |
| Tahiti 79 to WGS 84 (1) Deprecated | 4690 → 4687 | 1 |
Other CRS using Tahiti 79
Frequently Asked Questions
How do I add EPSG:4690 to GeoServer?
Add the following definition to your GeoServer configuration:
4690=GEOGCS["Tahiti 79",DATUM["Tahiti_79",SPHEROID["International 1924",6378388,297],TOWGS84[221.597,152.441,176.523,2.403,1.3893,0.884,11.4648]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4690"]] Read the full GeoServer guide →
How do I add EPSG:4690 to PostGIS?
Add the following definition to your PostGIS configuration:
INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4690, 'EPSG', 4690, '+proj=longlat +ellps=intl +towgs84=221.597,152.441,176.523,2.403,1.3893,0.884,11.4648 +no_defs +type=crs', 'GEOGCS["Tahiti 79",DATUM["Tahiti_79",SPHEROID["International 1924",6378388,297],TOWGS84[221.597,152.441,176.523,2.403,1.3893,0.884,11.4648]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4690"]]'); Read the full PostGIS guide →
How do I add EPSG:4690 to MapServer?
Add the following definition to your MapServer configuration:
PROJECTION
"+proj=longlat"
"+ellps=intl"
"+towgs84=221.597,152.441,176.523,2.403,1.3893,0.884,11.4648"
"+no_defs"
"+type=crs"
END Read the full MapServer guide →
How do I use EPSG:4690 with Proj4js?
Add the following definition to your Proj4js configuration:
proj4.defs("EPSG:4690", "+proj=longlat +ellps=intl +towgs84=221.597,152.441,176.523,2.403,1.3893,0.884,11.4648 +no_defs +type=crs"); Read the full Proj4js guide →