EPSG systems

EPSG:6249 MAGNA-SIRGAS / Cali urban grid

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

System record
CodeEPSG:6249
NameMAGNA-SIRGAS / Cali urban grid
TypeProjected system — Colombia Urban
Area of use Colombia - Cali city
Bounds W -76,61° · S 3,32° · E -76,42° · N 3,56°
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 origin3.4418833333333336degree
Longitude of natural origin-76.5205625degree
False easting1061900.18metre
False northing872364.63metre
Projection plane origin height1000metre

proj4 definition

+proj=col_urban +lat_0=3.44188333333333 +lon_0=-76.5205625 +x_0=1061900.18 +y_0=872364.63 +h_0=1000 +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:6249.

WKT (ESRI format, the .prj content)

PROJCS["MAGNA_Cali_Valle_del_Cauca_2009",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",1061900.18],PARAMETER["False_Northing",872364.63],PARAMETER["Longitude_Of_Center",-76.5205625],PARAMETER["Latitude_Of_Center",3.44188333333333],PARAMETER["Height",1000.0],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.