Hi all,
I have a question about the 'join by location' tool in ftools. Let's say
I've got two polygon layers : a layer of provinces with the population
for each province, and a layer of regions, each region resulting in the
fusion of several provinces. Now I want to know the total population for
each region, so I use the 'join by location' tool with my two layers,
ticking the 'sum' box. My problem is that this tool takes into account
for each region every province that has a common limit with the region :
obviously that includes provinces not in the region, and it doesn't do
what I want. Hope my example is clear.
I can see that behaving this way can be useful in some cases, but I
think what I'm trying to do is also pretty standard stuff. Do you know
if this is normal behaviour? Or am I doing something wrong?
I'm using QGIS 1.8.0.
Thanks a lot,
Julie.
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