2 Importing raster data through GeoGateway
To import external raster file formats in ILWIS, you can use the normal ILWIS
Import, but you can also Import via GeoGateway, which supports many current
raster file formats. The result of a GeoGateway import is an ILWIS object collection.
In this exercise, you will import an ERDAS .IMG file using GeoGateway and convert
this data to ILWIS data format. This file contains a Landsat TM image of
Cochabamba. The result will be an object collection, containing a map list and 3
different bands (raster maps)