[Qgis-developer] Approximate reprojection for vectors

[Martin Dobias]

On Tue, Nov 1, 2011 at 9:38 AM, Marco Hugentobler
<marco.hugentobler at sourcepole.ch> wrote:
>> > Martin I just found that you proposed a patch to allow speed up vector
>> > rendering
>> >
>> > http://hub.qgis.org/issues/3200
>> >
>> > maybe this can be tested again and added in time for 1.8?
>>
>> Giovanni,
>> porting and testing the patch would need quite a lot of time.
>> Definitely not something that could be released soon.
>
> A propos feature caching: there was an interesting presentation at foss4g 2007
> about feature caching:
>
> http://2007.foss4g.org/presentations/viewattachment.php?attachment_id=131
>
> The idea to use r-Tree entities as data blocks sounds reasonable. Would be
> cool to have something like this in QGIS.

Hi Marco

btw. the feature cache from #3200 is based on R-tree.

Martin