[GRASS-user] How long does it take to complete calculations with r.sunmask without the "-s" flag ?

[Markus Neteler]

Nikos Alexandris wrote on 11/29/2007 05:08 PM:
> Hello!!!
>
> I have following question concerning the r.sunmask tool:
>
> I try to run the command without the "-s" flag and it seems like it does not
> react...
>   

...it does but it is extremely slow.

Use r.sun -s instead. The incidence angle 0 is the cast shadow
(see manual of r.sun).

Additionally, the GRASS Addons SVN has the new r.sun2/r.horizon,
if you are interested.


Markus