Hi David,

On 27.03.2013, at 05:02, David Fawcett wrote:
> RTree index and shapely optimizations - 5.01 seconds
> https://gist.github.com/fawcett/5251327
> 
> [...]
> Rtree index, storing the geoms in the index as objects - 66.10
> (only doing true intersects on points:polys where a point hits multiple RTree 
> leaves)
> https://gist.github.com/fawcett/5251373
> 
> Rtree index, storing the geoms in the index as objects - 68.85
> (doing intersects on all point RTree leaf hits)
> https://gist.github.com/fawcett/5251407
> 
> Obviously something went very wrong on the last two.  They use the RTree, but 
> are an order of magnitude slower than the most basic RTree example.  I am 
> definitely curious if my code is bad or if it has to do with the way that 
> geometries and properties are store within the RTree.


It's the serialization/deserialization of the objects that kills the 
performance. So better just store indices.

Regards,
Oliver



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