[GRASS-user] Second r.sun question

[Hamish]

Jonathan wrote:
> Is is possible to use r.horizon steps
> that are in a different mapset
> with r.sun?  How would I use the prefix command,
> something like:
> 
> myhorizonprefix_ at anothermapset
> ?

not without a new r.sun option, but you can bypass needing the @mapset
part by adding the other mapset to the map search path with the g.mapsets
module.

see the r.sun page in the GRASS Wiki for some comments/tests on the
actual effectiveness of using r.horizon vs. how many maps you need vs.
the delays due to overhead of having that many maps open to maintain
good resolution. (stuff to think about, but I can't say if it is overall
a win or not)


Hamish