Thanks for your feedback. Bye! Le mar. 24 sept. 2019 à 18:09, <bauer.jo...@swm.de> a écrit :
> Hello Nyall, hello Régis, > > > > thank you for your hints. The option “Trust project when data source has > no metadata” improved the loading time a lot. The project still needs about > 6 minutes to load, but at least it is already an improvement. However, I > guess, that is normal for such a large project. The plug-in “Layers menu > from project” also looks very interesting. > > > > Kind regards, > > Josef > > > > *Von:* Régis Haubourg <regis.haubo...@gmail.com> > *Gesendet:* Dienstag, 24. September 2019 08:30 > *An:* Nyall Dawson <nyall.daw...@gmail.com> > *Cc:* Bauer.Josef extern IT-DS-TS <bauer.jo...@swm.de>; QGIS Developers > List <qgis-developer@lists.osgeo.org> > *Betreff:* Re: [QGIS-Developer] Performance issues while loading a big > QGIS project > > > > Agreed, this should speed up the loading time of layers without metadata > (probably postgresql views mainly in your case) > > > > If your need is to access some layers only, I recommend the > menu_layers_from_project plugin. It will only parse the xml but not load > the data until you choose to import some layers into a session. > > > > I also experienced that lowering the network timeout can speed up ogc > webservice layers when the service is not responding. > > Regards > > Régis > > > > Le mar. 24 sept. 2019 à 00:49, Nyall Dawson <nyall.daw...@gmail.com> a > écrit : > > On Tue, 24 Sep 2019 at 00:41, <bauer.jo...@swm.de> wrote: > > > > > Therefore, the question is, if QGIS provides a mechanism to postpone the > initial loading of all layers from QGIS startup to the point in time when > we actually need the layers? I.e., the layer structure is loaded but not > the layer data. > > There's no such existing mechanism. > > Have you experiment with the setting under project properties -- data > sources -- "Trust project when data source has no metadata"? I believe > that was added to assist with cases like this. > > Nyall > > > > > > > > > Is there a build-in QGIS mechanism that allows loading only the needed > layers from the .qgs file and write the appropriate styles to it or is it > planned to implement such a mechanism in QGIS? > > > > > > > > Kind regards, > > > > Josef > > > > _______________________________________________ > > QGIS-Developer mailing list > > QGIS-Developer@lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > _______________________________________________ > QGIS-Developer mailing list > QGIS-Developer@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > >
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