[Lizmap] External WMS slowdown

[Nicolas Boisteault]

Paolo, do you have any public Lizmap showing this behavior?

Le 30/11/2020 à 17:00, Paolo Cavallini a écrit :
> 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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