[Qgis-user] Identify Features (vector) blocks ui when selecting feature

[Giovanni Manghi]

Hi Etienne,

I also noticed it, but it seems difficult to find a pattern.

When I had the problem it didn't matter if it was PostGIS or shapefiles.


cheers

-- Giovanni --

On Fri, 2011-12-09 at 13:08 -0200, Etienne Tourigny wrote:
> Hi All,
> 
> I am having consistent problems with the Identify Features when using
> a large a vector layer.  Using a large shapefile dataset, if I click
> on a feature that has a large span and many intersections (for example
> a single feature that spans many rivers in the Amazon), the UI is
> unresponsive (but the QGis process is working intensively) and I have
> to kill QGis after many minutes of waiting.  I have also noticed this
> in other large shapefile datasets.
> 
> Is there a way to stop the query/lookup in a graceful manner, like you
> would using the "Stop Map rendering" button?
> 
> Do other users have this problem?  Would I get better performance
> using a spatial index or importing the data into PostGIS?
> 
> thanks,
> Etienne
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