EPSG:4261 Merchich
Geographic system in latitude and longitude, in use: Africa - Morocco and Western Sahara - onshore. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:4261 |
|---|---|
| Name | Merchich |
| Type | Geographic system |
| Area of use | Africa - Morocco and Western Sahara - onshore |
| Bounds | W -17,16° · S 20,71° · E -1,01° · N 35,97° |
| Countries | Morocco |
| Datum | Merchich |
| Ellipsoid | Clarke 1880 (IGN) a = 6378249.2 m · 1/f = 293.466021294 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Merchich to WGS 84 (1) (EPSG:1166) — accuracy 7 m |
| Scope | Geodesy. |
proj4 definition
+proj=longlat +ellps=clrk80ign +towgs84=31,146,47 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:4261.
WKT (ESRI format, the .prj content)
GEOGCS["GCS_Merchich",DATUM["D_Merchich",SPHEROID["Clarke_1880_IGN",6378249.2,293.466021293627]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — Morocco
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.