[Qgis-user] point sampling tool is there anyway to speed it up and keep it going

[Anita Graser]

Hi Michael,

Try the SAGA implementation (through Processing). It's much faster, as  
described in  
http://anitagraser.com/2013/10/02/add-polygon-attributes-to-points-vs-join-attributes-by-location/

Best wishes,
Anita


Am 10.01.2014, 19:41 Uhr, schrieb Michael.Dodd <Michael.Dodd at open.ac.uk>:

> The point sampling plugin can be very effective but is slow when dealing  
> with a large number of points and a complex area to be sampled e.g.  
> hundreds of thousands of points on a relatively detailed map of world  
> countries.  I can cope with it being slow by just accepting it will take  
> all day to run BUT it never completes because there is always something  
> that happens on the pc that stops it, the last time it happened after  
> about 4 hours with a couple more hours to run.  If you try to use any  
> other program on the pc then the tool stops and also freezes qgis.  am  
> currently running qgis 2.0.1 on windows7 64bit with quite a lot of ram  
> although i note it never uses more than about 13% of the total ram.  I  
> used to run the tool with earlier versions of qgis on windowsXP and had  
> the same issue with it stopping if any other program was opened on the  
> pc.
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