[Qgis-developer] attribute table issues

Matthias Kuhn matthias.kuhn at gmx.ch
Mon Jan 13 03:59:37 PST 2014

Hi Régis,

On 01/13/2014 11:35 AM, Régis Haubourg wrote:
> Hi there,
> as feature freeze is coming, I raise an issue i didn't find in the lists or
> in the tracker.
> When working with attribute table, I had many problems on a classical use
> case. I just explore attribute table, filter, order, and then select lines,
> and zoom on the map.
> - selection of lines is very slow even for small tables. Do we need to
> trigger redraws when the selected features are not in current canvas?
> Anyway, selecting/ unselecting is to slow
The selection for big tables should be considerably faster than before 
(that was also confirmed by Vorarlberg in a recent user meeting), 
because only the selection delta is communicated. It also works fairly 
fast on small tables here, so I am not sure where the latency you 
experience is coming from.
If you assume that a repaint is the issue, have you tried if the 
multithreading branch makes a difference? It is well possible, that this 
solves the issue, because the UI stays responsive, even when a new 
rendering job is scheduled.

> - selected line(s) are grey, and my eyes can't see a difference with other
> non selected lines. I liked old blue 1.x color.
This seems to be a windows issue (see ticket referenced by Andreas). I 
think it should be possible to overwrite the stylesheet for this 
environment. The ticket has been reopened.

> - When selecting a set of feature (using maps tools or expression), my first
> idea is to explore the selected fetaures one by one. So I click on one and
> then will zoom on the feature, but this refreshes current selection. When
> displaying only selected items, I loose then my set of selected objects.
> What is the right workflow? Is there a way to convert a manual selection set
> into a filter? Or could we add a contextual click to 'zoom on the feature',
> not modifying current selection?
Context-menu "zoom to feature" would be great.
See also this issue: http://hub.qgis.org/issues/8570

> Tell me if I need to open tickets or if someone is already on it.
> Cheers,
> Régis
> --
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