[Lizmap] External WMS slowdown

Paolo Cavallini cavallini at faunalia.it
Mon Nov 30 08:00:33 PST 2020


exactly. when checking this, I assume all the slowdown is due to Lizmap
requesting GetCappabilities even before loading layers, which in case of
many WMSs slows down considerably initial loading of the project.
Cheers.

Il 30/11/20 16:14, Nicolas Boisteault ha scritto:
> It depends on the "Get images directly from WMS Server" checkbox in
> Lizmap plugin.
> 
> Le 30/11/2020 à 15:54, Paolo Cavallini a écrit :
>> I assume external WMS read directly do not go through qgis.
>> am I wrong?
>> cheers.
>>
>> Il 30/11/20 12:39, Roberto Marzocchi ha scritto:
>>> We encountered the same problem.
>>> Are you sure it is a problem of LWC? I've always thought it is a problem
>>> of QGIS server
>>>
>>> R
>>>
>>>
>>>
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>>> ---- Attivato gio, 26 nov 2020 11:33:52 +0100 *Paolo Cavallini
>>> <cavallini at faunalia.it>* ha scritto ----
>>>
>>>      Hi all,
>>>      I noticed that a large number of external WMS in a project slows
>>> down
>>>      initial loading of the project. I assume this is due to a
>>>      ``GetCapabilities`` call on project parsing. Am I right? Is
>>> there a way
>>>      of avoiding this, and calling ``GetCapabilities`` only on layer
>>>      activation? In this way one could e.g. have external WMS in a
>>> mutually
>>>      exclusive group, so only ona call is issued at a time.
>>>      Thanks for any hint.
>>>      --
>>>      Paolo Cavallini
>>>      www.faunalia.eu - QGIS.org
>>>      training, support, development on QGIS, PostGIS and more
>>>      _______________________________________________
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>>>
>>>
>>>
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-- 
Paolo Cavallini
www.faunalia.eu - QGIS.org
training, support, development on QGIS, PostGIS and more


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