[GRASS-user] long run time with r.sunmask

[Dylan Beaudette]

On Monday 12 March 2007 15:46, Hamish wrote:
> Dylan Beaudette wrote:
> > longer computation time == more accurate
>
> [general comment; nothing specifically talking about the r.sun code]
>
> That is not always correct, do not take it for granted.
>
> Consider a less efficient approach iterating in a loop until the
> accuracy is better than some threshold. A better algorithm or method
> will get the job done faster, and often that will allow you to go a bit
> further and increase accuracy beyond the target with little added cost.
>
>
> Hamish

Indeed. I made the above [ass]umption without clarifying what I really meant 
to say: 

"Is the algorithm used in r.sunmask more accurate than that used in r.sun, 
i.e. has SOLPOS been implemented in r.sun?"

Thanks for the clarification.

-- 
Dylan Beaudette
Soils and Biogeochemistry Graduate Group
University of California at Davis
530.754.7341