[QGIS-Developer] processing temporal animation export in parallel
Tim Sutton
tim at kartoza.com
Fri Feb 25 15:34:44 PST 2022
Hi Richard
On Thu, Feb 24, 2022 at 8:07 AM Richard Duivenvoorde <rdmailings at duif.net>
wrote:
> On 2/24/22 00:57, Tim Sutton wrote:
> > If you want to try some python, you could make a variant of this (1) to
> export in parallel (thanks Nyall for most of the key rendering logic
> there). Note teh complete plugin shown there is not functional yet, and you
> would need to adapt it to temporal based rendering.
>
> Hi Tim,
>
> You should show off here, what you make with it! :-)
>
Umm, its mostly half - baked still but you can find some examples in my
twitter feed e.g.
https://twitter.com/timlinux/status/1491709589762580480
>
> But I'm wondering now: IS this actually parallel rendering? As in those
> Tasks behave as a sort MapCanvasRenderings? So you are not limited by the
> single QGIS MapCanvas?
>
Well even in QGIS main window you can have many canvases (but they all
share the same layers) e.g.press Ctrl-M a couple of times. Yes I
believe in my code example it should be parallel rendering - but Nyall or
others may want to add to the story of how the internals are working
here....
Regards
Tim
>
> Regards,
>
> Richard Duivenvoorde
>
>
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Tim Sutton
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