Hi Luca,
I follow your advice and now I have all my features. I had to do some
union/collect to have the awaited result.
It's just sad that I can't take more advantage of GDAL to do this : do we
know why my first method can't work ? Because of a limitation in
ST_GeomFromText ? Because of a limita
Hi Alexandre,
if I well understood your problem, you're already doing half of the job
(the queries)in PostGIS, so why not doing everything using PostGIS
queries?
Moreover, I think you don't need union.
Assuming towns is a polygon layer, try:
select distinct t.* from
towns as t,
(select dist
Hi,
I need to do the following request to find some data:
- I have a bunch of towns (let's call them group A)
- I retrieve the towns touching the group A (let's call them group B)
- I make the union of group A and group B
- I ask the towns covered by the resulting union
For the moment, I use GDA
