Thanks. I wiill keep an eye out for both those PRs; they seem promising :) On Wed, Jul 24, 2024 at 1:33 AM Emma Hain <e...@north-road.com> wrote:
> Hey All > I believe these may go some way towards helping the issue - the first one > is planned to go ahead this year > https://github.com/qgis/QGIS-Enhancement-Proposals/issues/261 > https://github.com/qgis/QGIS/pull/53069 > > Cheers > Em > > On Tue, 23 Jul 2024 at 12:55, Stewart Holt via QGIS-User < > qgis-user@lists.osgeo.org> wrote: > >> I have for years noticed the same thing. I also have about 30 WMS and >> WMTS layers which are mostly USGS National Map product layers and a few >> ESRI. When QGIS starts, I see in the status bar, each layer that is loaded. >> It rips through my shapefiles and then takes quite a bit of time to "load" >> the WMS/WMTS layers. Only about 2 of these layers are checkmarked to be >> displayed at any given time. QGIS apparently does some initialization on >> these layers, even if they are not to be initially displayed. While it is >> valuable to get a full check of the availability of layers on startup, it >> would be much faster to either lazy initialize these as needed or to spread >> it out over my 24 cores to do it in parallel. Occasionally some or all of >> the layers are not available for periods of time. When this happens, it >> really takes a long time to startup. I have set the network timeout from >> the default (1 minute?) to 15 seconds to make that situation less painful. >> I think the delay is caused by the time it takes for the WMS service to >> respond, not processing time. My internet connection is 1 Gbps. >> >> I think one of the best solutions would be to load the network based >> layers marked to be displayed, then make the map canvas available for use >> and either continue to load the remaining layers in the background or lazy >> initialize them as needed. I wonder how many others face this situation and >> if there would be sufficient interest to submit a request for an >> enhancement. >> >> Thanks, >> >> Stewart Holt >> Georgia Appalachian Trail Club GIS >> >> >> On Fri, Jul 19, 2024 at 5:04 AM Thomas Larsen Wessel via QGIS-User < >> qgis-user@lists.osgeo.org> wrote: >> >>> I have a project with roughly 30 WFS layers. Most of the layers are >>> disabled by default, and I rarely have more than 10 of those layers enabled >>> in any session. >>> >>> But as far as I can tell, it loads all data from all WFS layers, no >>> matter if the layers are enabled or not. Am I right? >>> >>> Does this happen in sequence or in parallel? >>> >>> It takes 100 seconds from clicking open, until the GUI updates to show >>> the loaded project (for the above mentioned project with 30 WFS layers). I >>> believe the Internet connection is the bottleneck. Often I'm on a cell >>> phone connection, and the load time is much worse. >>> >>> Is there anything I can do to make it not load all WFS data right away? >>> Eg not load features from any disabled layer, until I actually need it? >>> >>> Sincerely, Thomas >>> _______________________________________________ >>> QGIS-User mailing list >>> QGIS-User@lists.osgeo.org >>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >>> >> _______________________________________________ >> QGIS-User mailing list >> QGIS-User@lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >> > > > -- > Emma Hain — Product Manager/Senior GIS Analyst > e...@north-road.com > [image: https://north-road.com] > *North Road* > Cartography • Development • Spatial Analysis > ------------------------------ > *north-road.com* <http://north-road.com> > <https://twitter.com/northroadgeo> > <https://www.linkedin.com/company/north-road-studios> > <https://www.facebook.com/North-Road-997236690392419/home> > >
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