On the left part of the output map, below the map information buttons, are the map background controls which are operated by clicking into the check-boxes.
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By default, the map will be shown with an image of the terrain model (based on the 30-seconds world-wide terrain model). | |
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Sometimes, it may be desired for map simplification to show no background (except for a fine gray shade of the areas) | |
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Particularly useful for the interpretation of data will be the satellite imagery (Landsat 1996) | |