I've done some testing with fTools' spatial join and select by location tools. Whatever the geometry type it uses the "intersects" operator, which is true even if geometries only touch.
I've patched my own version to distinguish the case the input layer (to be selected) is a linear or polygonal layer. In that case I check if "overlaps" or "contains" are true, but I reject the case the geometries only touch. I keep the single intersects operator in case of points. If you agree with the logic (I don't want to select or join geometries that only touch) I will submit a pull request. giovanni -- Giovanni Allegri http://about.me/giovanniallegri Twitter: https://twitter.com/_giohappy_ blog: http://blog.spaziogis.it GEO+ geomatica in Italia http://bit.ly/GEOplus
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