You can also try the “Mask” plugin for more control. https://plugins.qgis.org/plugins/mask/
On Mon, 6 Dec 2021 at 7:43 PM, DelazJ <del...@gmail.com> wrote: > Hi, > And here's the feature in the changelog ( > https://qgis.org/en/site/forusers/visualchangelog322/index.html#feature-data-defined-raster-layer-opacity); > afaict, it affects the whole layer and not pixel by pixel. > > On a kind-of "off topic" request, I'd also be interested to see examples > of expressions playing with raster functions. > > Regards, > Harrissou > > Le lun. 6 déc. 2021 à 13:32, Johannes Kröger (WhereGroup) < > johannes.kroe...@wheregroup.com> a écrit : > >> Anything that you can do with expressions, in this case to get a number >> between 0 and 100, but it will always affect the whole layer globally. >> You can not set a different opacity for different regions. For this, >> approaches like Ujaval's suggestion are probably the best way. >> >> Cheers >> Hannes >> >> > I'd still really like to know what can be done using an expression for >> > the Global Opacity of a raster layer. >> >> -- >> Johannes Kröger / GIS-Entwickler/-Berater >> WhereGroup GmbH >> Eifelstraße 7 >> <https://www.google.com/maps/search/Eifelstra%C3%9Fe+7+%0D%0A53119+Bonn+%0D%0AGermany?entry=gmail&source=g> >> 53119 Bonn >> <https://www.google.com/maps/search/Eifelstra%C3%9Fe+7+%0D%0A53119+Bonn+%0D%0AGermany?entry=gmail&source=g> >> Germany >> <https://www.google.com/maps/search/Eifelstra%C3%9Fe+7+%0D%0A53119+Bonn+%0D%0AGermany?entry=gmail&source=g> >> >> Tel: +49 (0)228 / 90 90 38 - 36 >> Fax: +49 (0)228 / 90 90 38 - 11 >> >> johannes.kroe...@wheregroup.com >> www.wheregroup.com >> Geschäftsführer: >> Olaf Knopp, Peter Stamm >> Amtsgericht Bonn, HRB 9885 >> ------------------------------- >> >> ******************************************** >> Where2B Konferenz 2021 >> Online am 16. Dezember 2021 >> https://where2b-conference.com/ >> ******************************************** >> >> _______________________________________________ >> 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 >> > -- [image: Logo] <https://spatialthoughts.com/> Ujaval Gandhi Spatial Thoughts mobile: +91-8095684687 email: uja...@spatialthoughts.com [image: LinkedIn icon] <https://www.linkedin.com/in/spatialthoughts/> [image: Twitter icon] <https://twitter.com/spatialthoughts>
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