[Qgis-user] Selecting displaced symbols

[Neumann, Andreas]

Hi Martin, 

As far as I know, picking is totally independent of the rendering. So
the "Info tool" doesn't know about the displacement renderer. I know it
is not ideal, but it is a technical limitation and there are no known
workarounds. 

You can, however, display the central point (with a separate symbol) so
the user knows where to pick. Also, you can easily access each
individual point by changing the identify mode to "Layer choice" - where
you get a pull-down menu and you can identify each individual point by
its "display attribute". 

Maybe a dev knows a solution to this problem - but currently I think
there are no known workarounds.  

Andreas 

On 2017-05-30 03:39, Martin Bain wrote:

> Hi, 
> 
> I have the familiar situation of a layer with multiple points at the same coordinates.  The points have data defined SVG symbols 
> 
> I'm using the Point Displacement renderer to overcome having overlapping symbols.  This definitely makes for an improved appearance.  
> 
> However if you want to use the info tool or the select tool you cant click on the displaced symbol.  You can only select all points via the central point. 
> 
> Is there a trick to select a point by its offset symbol instead of the true coordinates?  I have half a memory of reading something about this once before but maybe I imagined it :P 
> 
> I would prefer to leave the points in their original position - the data is of traffic accidents, provided by the state government. 
> 
> Thank you, 
> 
> Martin. 
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