[Qgis-user] Issue with drawing order of layers

[Andreas Neumann]

Hi Roland,

This is an "advanced" option - that's why the panel is turned off by 
default.

This separate "layer order" panel allows you to separate logical 
grouping from layer drawing order. In Cartography you often draw points 
over lines over polygons in certain orders, but the logical grouping in 
the layer tree might be something totally different from the layer 
drawing order.

Hope this explains why the two panels exist and why the other panel is 
turned off by default.

I assume, the fact that the checkbox was enabled was "pure accident" - 
if you don't know that panel.

Andreas

On 2022-06-29 14:54, Roland Spielhofer wrote:

> Hi Andreas,
> thanks!
> That was the problem!
> The override check box in the layer order panel was enabled for some 
> reason - ticking it of solved the problem.
> Strangely I had to activate the panel first, never seen it before...
> Anyway, layers are shown now as expected.
> 
> Thanks again and best regards,
> Rolnad
> 
> Gesendet: Mittwoch, 29. Juni 2022 um 14:28 Uhr
> Von: "Andreas Neumann" <a.neumann at carto.net>
> An: "Roland Spielhofer" <rspiel at gmx.net>
> Cc: "qgis-user" <qgis-user at lists.osgeo.org>
> Betreff: Re: [Qgis-user] Issue with drawing order of layers
> 
> Hi Roland,
> 
> There is a separate panel called "Layer Order" ("Layerreihenfolge" in 
> German) which can override the order from the layer tree.
> 
> Perhaps you/or someone else - accidentally enabled that panel and 
> ticked the checkbox that it overrides the layer drawing order.
> 
> Hope this helps,
> 
> Andreas
> 
> On 2022-06-29 14:20, Roland Spielhofer via Qgis-user wrote:
> 
>> Hi,
>> I have a project with several (~50) layers, some of them organised in 
>> groups, some not.
>> Since today, I have an issue with the drawing order - e.g. layers that 
>> are below others cover layers that are "higher" in the layer list.
>> A basemap layer from the bottom of the list e.g. covers now all other 
>> layers more on top.
>> But this is the case for other layers as well.
>> I've put three layers into a new project and there the rendering order 
>> is fine.
>> Comparison example here:
>> 
>> https://imgur.com/a/WOPrLRb
>> 
>> On the left the new project how it should be - on the right the 
>> project with the issues.
>> The colorful points are the top most layer, but on the right they are 
>> covered by the grayscale raster image. Ticking off the raster layer 
>> shows the points again (so I know they are there).
>> 
>> Any thoughts why this could be? It's QGIS 3.24.0 for some time now, no 
>> version change. The problem is new by today.
>> I didn't find any settings to influence the drawing order.
>> 
>> Regards,
>> Roland
>> 
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