queryByShape performance

[Guillaume Sueur]

both not. I need great accuracy and can't use postgis.

Jacolin Yves a écrit :
> Le Tuesday 18 December 2007 15:25:00 Guillaume Sueur, vous avez écrit :
>> Hi list,
>>
>> I'm building a piece of software using a queryByShape to retrieve all
>> administrative boundaries covered by a specific layer. I have severe
>> performance issues when the layer's shape is spatially wide and
>> geometrically precise (many coordinates). Is there a way to improve the
>> performances ? I thought using shptree on both shapes could help, but
>> apparently not. Any clue ?
>>
>> Thanks
> 
> Why don't you use a simplified layer of administrative boundaries for your 
> search? Or use a postgis table as you are using a huge layer data (Huge data 
> is better and faster accessed in a postgis layer than in a shape file as the 
> connection time is shorter than the request)?
> 
> If you need great accuracy, I have no clue, sorry ;)
> 
> Y.

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Guillaume SUEUR
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