[GRASS-user] r.los questions

[sebastian sauer]

Mon 30 Jul 2007 11:13, Hamish wrote:
> gary wrote:
> > I ended up having to install the cumulative viewshed analysis for 
> > lat/lon.
> 
> Does r.cva really do the calculation or does it just fail to warn that the
> results might be wrong?

IIRC the ben ducke version as (some) support for earth curvature, so..
..but this is from my memory and i haven't tried lat/lon with r.cva so
far.

otherwise i much prefer r.cva to r.los.

interesting is also the IOviewshed research ..
http://www.bowdoin.edu/~ltoma/research.html