EPSG systems

EPSG:6268 MAGNA-SIRGAS / San Andres urban grid

Projected system (Colombia Urban) in use: Colombia - San Andres city. The full definition below, and conversion in one click.

System record
CodeEPSG:6268
NameMAGNA-SIRGAS / San Andres urban grid
TypeProjected system — Colombia Urban
Area of use Colombia - San Andres city
Bounds W -81,82° · S 12,43° · E -81,60° · N 12,65°
Countries Colombia
DatumMarco Geocentrico Nacional de Referencia
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:4686 — MAGNA-SIRGAS
Unit metre (N north, E east)
Transformation to WGS 84 MAGNA-SIRGAS to WGS 84 (1) (EPSG:15738) — accuracy 1 m
ScopeCadastre, engineering survey, topographic mapping (large scale).

Projection parameters

ParameterValueUnit
Latitude of natural origin12.523794325degree
Longitude of natural origin-81.72937595degree
False easting820439.298metre
False northing1877357.828metre
Projection plane origin height6metre

proj4 definition

+proj=col_urban +lat_0=12.523794325 +lon_0=-81.72937595 +x_0=820439.298 +y_0=1877357.828 +h_0=6 +ellps=GRS80 +units=m +towgs84=0,0,0 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:6268.

WKT (ESRI format, the .prj content)

PROJCS["MAGNA_San_Andres_2007",GEOGCS["GCS_MAGNA",DATUM["D_MAGNA",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["IGAC_Plano_Cartesiano"],PARAMETER["False_Easting",820439.298],PARAMETER["False_Northing",1877357.828],PARAMETER["Longitude_Of_Center",-81.72937595],PARAMETER["Latitude_Of_Center",12.523794325],PARAMETER["Height",6.0],UNIT["Meter",1.0]]

All systems — Colombia

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.