[postgis-users] ST_Difference and ST_Buffer queries

[strk]

On Tue, Aug 31, 2010 at 07:31:23PM -0400, L Bogert-O'Brien wrote:

> Does anyone have an alternate suggestion that would get rid of these 
> unwanted borders, that would not involve changing the size of the 
> polygon used for clipping?

What you could do is drop all components of your geometry where
the area is below a given value (including holes, I'd say).

It'd be useful to have the above functionality in a function,
possibly taking the threshold as a factor of total area.

--strk;

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