[Question]: Warning - Many layers next to each other having different filters.

[aeduard]

What is the question? (in English)

I've read the Help about the checks, and I understand that in many situations it is better to not filter the layer and use the checkboxes. But still, sometimes I want 2 completely new layer from one table, eg. for different popups or other behavior. Or to set visibility differently at map loading.
Right now I can live with this error, as it displays only for admins, but I would like to know the reasoning behind.

Versions, safeguards, check summary etc

Versions :

• Lizmap Web Client : 3.7.10
• Lizmap plugin : 4.4.0
• QGIS Desktop : 3.34.8
• QGIS Server : 3.34.8
• Py-QGIS-Server : not used
• QGIS Server plugin atlasprint : not found
• QGIS Server plugin lizmap_server : 2.9.4
• QGIS Server plugin wfsOutputExtension : 1.8.2

List of safeguards :

• Mode : normal
• Allow parent folder : no
• Prevent other drive : yes
• Prevent PG service : yes
• Prevent PG Auth DB : yes
• Force PG user&pass : yes
• Prevent ECW : yes

Check Lizmap plugin

• I have done the step just before in the Lizmap QGIS desktop plugin before opening this ticket. Otherwise, my ticket is not considered valid and might get closed.

Operating system

Ubuntu 22.04

Browsers

Firefox

Browsers version

Firefox 130.0.1 (64-bit)

Relevant log output

No response

[Gustry]

Yes, I think we got the discussion with @mdouchin and we have some corner case about this check.

As a "quick workaround", you can do :

l = iface.activeLayer()
l.setCustomProperty("lizmap-plugin-skip-duplicated-layer", "yes")

https://github.com/3liz/lizmap-plugin/blob/d8de1f7516c1563f9faafd22db245de01c4979c4/lizmap/project_checker_tools.py#L328

Side note :

to set visibility differently at map loading.

This would be nice to implement as well, if you want. To read checked categories from the project.

Do you have an idea how to improve this check ?

[aeduard]

Thank you for the suggestion regarding the workaround. In my general workflow, I prefer to avoid using too many tables in a database. Instead, I aim to consolidate similar data into a single table. When editing through QGIS or Lizmap, I use filtering within QGIS; otherwise, I create views at the database level.

This would be nice to implement as well, if you want. To read checked categories from the project.
In some cases, definitely, especially for more complex maps. However, it's not an urgent issue for me at the moment.