[Lizmap] R: External WMS slowdown

Roberto Marzocchi roberto.marzocchi at gter.it
Mon Nov 30 03:39:27 PST 2020

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


Eng. Roberto Marzocchi, PhD

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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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