[GRASS-user] Redefining computational region for vector overlay

HernĂ¡n De Angelis dhdeangelis at comhem.se
Sun May 13 13:31:03 PDT 2018


On 2018-05-13 21:29, Markus Metz wrote:
> ou could try to replace
>
> 3. v.clip
>
> with
>
> 3.1. v.select to select only those areas overlapping with the current 
> buffer
> 3.2 v.overlay of the selected areas with the current buffer which 
> should now take only seconds
>
> Markus M

That made a *very* serious improvement in performance!

Now processing ~2.5 points per minute (30 in 12 minutes). From the 
previous 1 every 8 minutes with v.clip this change makes a ~20x 
improvement in performance!

Thanks Markus for the suggestion and thanks Moritz for your kind help!

/H.


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