Hi Andreas, The QGIS performance reading rasters from Postgis is not so bad, if pyramids are available on the database. QGIS takes advantage of the pyramids, if they exist. Check [1].
Regards, Jorge [1] http://gis.stackexchange.com/questions/151632/poor-performance-with-storing-large-rasters-in-postgis-and-visualising-in-qgis/227324#227324 Às 06:56 de 11-04-2017, Neumann, Andreas escreveu: > Hi, > > If there will be a new Postgis raster provider for QGIS, it should also > support the pyramid tables (separate tables) - which as far as I know - > is not yet supported. If you add a layer from DB-manager you load a > fixed resolution and the other pyramid tables won't be used. Thats one > of the reasons, rasters in Postgis display quite slow in QGIS. > > Andreas > > On 2017-04-11 04:16, Robert Hewlett wrote: > >> Hi, >> >> Are there plans to build a plugin for PostGIS rasters similar to the >> vector plugin. I know how to add the rasters from the DB manager but >> the experience/workflow is much different and the connections go 'stale'. >> >> I am willing to help code it. >> >> Regards, >> >> Rob >> >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] <mailto:[email protected]> >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > > > > > > _______________________________________________ > Qgis-developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > J. Gustavo -- Jorge Gustavo Rocha Departamento de Informática Universidade do Minho 4710-057 Braga Tel: +351 253604480 Fax: +351 253604471 Móvel: +351 910333888 skype: nabocudnosor _______________________________________________ Qgis-developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
