QGIS has basic raster functionality via the GdalTools plugin. This plugin is on by default and available via with ‘Raster’ menu. In this tutorial, I will explain some basics of rasters captured by satellite sensors and show you how to mosaic and subset imagery within Quantum GIS.
The data we will be using is from NASA public domain NASA/GSFC, Rapid Response imagery. This satellite imagery is from the Moderate-resolution Imaging Spectroradiometer (MODIS) sensor onboard the Terra satellite. The first part of this tutorial will be on how to access and download this data. I downloaded several FAS 2km subset geotiffs in southern Africa and saved in on my hard drive......
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