2008/12/12 Martin Tomko <[email protected]>:
> Dear all,
> is there a package that would be able to perform a viewshed analysis on a
> DME (raster or TIN)?

I'd use GRASS's line-of-sight routines:

http://grass.itc.it/grass5/manuals/html53_user/html/r.los.html

There is an R-Grass interface:

http://grass.itc.it/statsgrass/grass_r_interface.html#Using_GRASS_R

Barry

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