[Qgis-developer] QGIS Multi-threaded Rendering
giohappy at gmail.com
Thu Dec 12 07:32:41 PST 2013
> * predictive / off screen rendering of 3x3 canvas dimensions after the
> initial render so that any pan is near instantaneous (and would trigger a
> new off-screen render)
> * on zoom, resample first then over render the resampled image (like open
> layers and other web toolkits do so you see a resampled version of the old
> render which gets overpainted as the new render comes in)
That would be really good to keep room for this improvement. This is how
maps on the web generally behave, and it's a behaviour that many of my
students and customers ask about at their first impact with QGIS.
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