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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