[Qgis-developer] Multi-threading rendering merged to master

[Mathieu Pellerin]

Martin,

Fantastic work; I knew to expect a better rendering experience, yet I was
caught by surprise at how much of a positive difference it makes.

Few things from my 10-minutes play with it:
* The map overview extend is broken, its extend goes way, way beyond the
extend of the sum of all the layers in a given project
* The 'xxx' option doesn't seem to be taken into consideration, the
parallel rendering is always activated on my machine irrespective of
whether I checked the box or not.
* Half of the times I exited QGIS, the application process was not
terminating and this error message was thrown: "*** Error in
`/home/webmaster/apps/bin/qgis': corrupted double-linked list: 0x0a0680f0
***"; I had to manually kill the process

Math



On Sun, Feb 23, 2014 at 10:02 PM, Martin Dobias <wonder.sk at gmail.com> wrote:

> Hi all
>
> this is a short note about the fact that multi-threaded rendering has
> now landed in master, so from now on, you should be able to enojy
> better experience when browsing your map (especially the fact that you
> can keep using QGIS as usual even if rendering continues in the
> background).
>
> By default the parallel rendering is not enabled (yet) - to enable it
> please go to options > Rendering and check the appropriate option.
> There is another new option that lets you setup how often the map
> canvas should be refreshed while being rendered.
>
> If you find anything that used to work for you and now it does not, do
> not hesitate to let me know. I hope the merge has not ruined your
> Sunday :-)
>
> Another, more technically oriented mail will follow later.
>
> Regards
> Martin
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