[Qgis-user] Query Layer / Rule Based Rendering Problem

James Stott James.Stott at npaconsult.co.uk
Thu May 31 08:22:26 PDT 2012


I have created a query in the DB Manager SQL Window (data is in a
PostGIS database). The query is then added to the map as a layer.

I copy the style from another layer (rule based style), paste it to my
query layer and the polygons disappear from the map and QGIS gives a
nextFeature() without select() error. This also happens if I apply a qml
style file to the layer.

If I change the styles back to Single Symbol they do not come back. I
can see the records in the Attribute table, and I can select them and
zoom to them on the map, I just cannot see them. 

I have to re-add the query layer using the DB Manager SQL window again.

It only seems to be the polygon layers that cause problems at the
moment.

Does anyone know the cause of this?

James 

James Stott BSc (Hons) MSc | Senior Professional
Nicholas Pearson Associates | 30 Brock Street | Bath | BA1 2LN
T: 01225 445548 | M: -
http://www.npaconsult.co.uk/ 


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