proj4.defs("EPSG:6272","+proj=col_urban +lat_0=5.53419473888889 +lon_0=-73.3519389 +x_0=1080514.91 +y_0=1103772.028 +h_0=2800 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs");