[Qgis-developer] Patch Proposal #1974 Render caching

[Carson Farmer]

Very nice Tim!

+1 from me, speed is nice, didn't test with rasters though...
Rendering each layer on it's own makes turning them on
and off very responsive, nice work!

Carson
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> Hi Devs
>
> I've been working a little on implementing some render caching to make
> QGIS feel more responsive and avoid unnecessary re-rendering of layers
> when nothing has really changed.
>
> I've finished writing a simple caching mechanism and would like to ask
> you to a) test and b) indicate if you are happy for this to go into trunk.
>
> The patch is here
>
> https://trac.osgeo.org/qgis/attachment/ticket/1974/qgis_rendercachepatch_v7_23Oct2009.diff
>
> Note that caching is disabled by default - you need to enable it in the
> Options dialog, rendering tab.
>
>
> Regards,
>
> - --
>
> Tim Sutton - QGIS Project Steering Committee Member (Release  Manager)
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-- 
Carson J. Q. Farmer
ISSP Doctoral Fellow
National Centre for Geocomputation (NCG),
National University of Ireland, Maynooth,
Email: Carson.Farmer at gmail.com
Web:   http://www.carsonfarmer.com/
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