Hi, Thanks for your quick replies (and inputs in the PR), guys Richard, seems it's more about pairing a pixel on the raster with a pixel on the screen. And indeed it works with "simple" raster also.
Regards, Harrissou Le mar. 19 janv. 2021 à 17:30, Richard Duivenvoorde <rdmaili...@duif.net> a écrit : > On 1/19/21 5:19 PM, DelazJ wrote: > > Hi devs, > > > > Can any of you help us understand what the "Zoom to native resolution > (100%)" tool in map navigation toolbar or View menu does, please? > > It would help us close > https://github.com/qgis/QGIS-Documentation/pull/6441 < > https://github.com/qgis/QGIS-Documentation/pull/6441> > > This is mainly relevant to WMTS/xyz and other tiled images based (online) > data sources (for what I know). > > Because those tiles actually are server side cached, they have off course > one true resolution: in which a 256x256px tile is shown on a 256x256px area > of the mapcanvas. > > When you load such layers in QGIS, QGIS can rescale those tiles, they will > be rescaled then, often not making the image prettier. > > The idea of the native resolution is for what I know: select the tiled > layer, the select the "Zoom to native resolution (100%)" and then QGIS will > switch to one of the (native) zoom level scales of the tiled layer. > It more or less works the same as with the Tile Slider. > > Maybe (others plz confirm) this also works this way for raster images like > geotiffs... > > Hope this helps, > > Regards, > > Richard Duivenvoorde > _______________________________________________ > 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