Dear GRASShoppers,

Does anybody have ideas about the following : we all know 
that r.los can show you the area that is visible from a certain 
observation point, but can it also show you from what area you can observe 
something (I am told that this is not necessarily the same)?

And a point of order for the GRASS developers: would it be possible to 
implement in r.los an input-option that takes a raster map, so you can
e.g. show the area that is visible from a road so you can plan the most 
scenic drive? That's all. Any reactions appreciated!

Philip Verhagen
-- 


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