[Geoserver-devel] [postgis-users] Re: Postgis estimated_extent completely off the mark?

Andrea Aime aaime at openplans.org
Tue Mar 20 08:20:34 PDT 2007


Paul Ramsey ha scritto:
> Right, sampling.
> Small enough that a random sample has a chance of missing them.   
> Northern islands in Alaska, Hawaii, etc.

So this is a feature, not a bug, apparently.
Heh, then the docs should say that estimated_extent is 5% off the
proper bounds if features are uniformly distributed in the actual
bounds :-)
If you have data with strange distribution patters (such as USA
states) better not rely on it.

Cheers
Andrea



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