[Qgis-developer] Lib_Refactoring-branch update

Marco Hugentobler marco.hugentobler at karto.baug.ethz.ch
Wed Dec 6 11:22:11 EST 2006

Am Mittwoch, 6. Dezember 2006 15:06 schrieb Martin Dobias:

> currently spatial indexing is just a feature that no other part of
> QGIS uses (so far).  But I have a long-time vision of offering some
> functionality for provider if it doesn't support that natively:
> - fast spatial lookup - using spatial indexing
> - filtering features by attributes - using search strings
> - fast feature retreiving - by caching of features in memory
> - maybe also fast attribute searching - using B-trees or similar

Nice! A fast feature access by id will allow us to have a smarter attribute 
table which fetches attributes when needed.

Do you have a timeline in mind for those implementations? If you need help, I 
think I could add with coding work.


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