[Qgis-user] "Select by location" - Problem

[Carson Farmer]

Hi Freddy,
Are your two layers using the same CRS? Even with 'on the fly
projection' on, this tool will not find intersections unless they are
in the same projection. In fact, all the vector menu tools follow this
general 'rule'.

Carson

2011/2/14 Frederick Löbig <zerox at zeroxweb.de>:
> Hey there,
> I want to use the "select by location" function to select buildings wich are
> within a certain distance from a cable. I started by generating a buffer
> around the line-parts. Now I want to use the function "select by location"
> to select every building wich intersects with that buffer. But somehow, when
> I hit "OK", the prograssbar starts to move to 100%, finishes, but doesn't
> select anything.
> I wanted to find out why that is so I created a new project, added some
> points (shapefile), added a polygon (shapefile) and tried to select the
> intersecting points, but with no success. Why is that?
> This is what I did:
> Select features in <points> that intersect features in <polygon>. Modify
> current selection by creating new selection.
> I also tried to flip polygon and points.
> Can anybody help me with this please?
> Best,
> Freddy
>
>
> Frederick Löbig
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-- 
Carson J. Q. Farmer
ISSP Doctoral Fellow
National Centre for Geocomputation
National University of Ireland, Maynooth,
http://www.carsonfarmer.com/