[Qgis-psc] Proposal to support multi-threaded development

Otto Dassau dassau at gbd-consult.de
Mon Nov 25 06:42:48 PST 2013


Hi,

+1 also from me for QGIS.org to support multi-threaded rendering
development, if we have enough money for it.

Regards
Otto

Am Mon, 25 Nov 2013 16:35:01 +0200
schrieb Tim Sutton <tim at linfiniti.com>:

> Hi Andreas
> 
> 
> On Sun, Nov 24, 2013 at 6:30 PM, Andreas Neumann
> <a.neumann at carto.net>wrote:
> 
> > Hi PSC,
> >
> > In October Peter and Saber proposed a project to work on the
> > multi-threaded rendering. The new Vector API (which was also co-funded
> > by the QGIS user group in Switzerland) was the preparation for this
> > follow-up work. The development work on the multi-threaded rendering
> > would be carried out by Martin Dobias.
> >
> > Lutra Consulting, the current employer of Martin, is looking to raise
> > Euro 20k for this project. The QGIS user group pays CHF 3000.- this year
> > and will most likely pay a similar amount again next year.
> >
> > I am asking the PSC that the international QGIS project is also
> > co-funding this project, perhaps with approx. Euro 5k.
> >
> > Marco Hugentobler worked on multi-threaded rendering in QGIS enterprise
> > (based on the 1.9x branch). Horst demoed this version at the recent QGIS
> > CH coordination meeting. It looks very promising as it does not block
> > the UI. Users can navigate to a different extent while QGIS is still
> > rendering. QGIS would then cancel the old render threads and start with
> > the new threads. But this work is not compatible with the 2.x
> > development branch. However, it shows the potential of threaded
> > rendering.
> >
> > What is the opinion of the PSC? Can the international group co-fund this
> > initiative?
> >
> >
> We *may* be able to get some funding to support this - how much money do
> you still need (assuming QGIS.org supports it to with the 5k you
> requested)?
> 
> +1 for QGIS.org to contribute towards this if we have the funds - it will
> be a valuable step forward for QGIS.
> 
> We should also factor in some support time for inevitable issues that may
> arise down the line.
> 
> Regards
> 
> Tim




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