My understanding is that space-filling curves (which is what they are 
providing) work well on range queries against points. Not so much when 
both the query and the subject coverages (as in box vs box, rather than 
box vs point).

Paul

Andrea Aime wrote:
> Jody Garnett ha scritto:
>> I am going to keep on muddling with postgis2 ...
>> a) not going to install oracle on my laptop
>> b) h2 (while cool) seems to lack index support right now (and I am not 
>> cool enough to know how to fake it)
> 
> Some sort of spatial indexing is there, thought it's not the usual 
> r-tree index... don't know the details, but it's here:
> http://www.h2database.com/html/features.html
> Multi-Dimensional Indexes
> 
> Cheers
> Andrea
> 
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-- 

   Paul Ramsey
   Refractions Research
   http://www.refractions.net
   [EMAIL PROTECTED]
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