[postgis-users] Bounding Circle instead of Bounding Box

[Nico Mandery]

Hi Rainer,

You could could use a buffer instead of bounding boxes.
Just an idea

Nico

Am Sonntag 09 September 2007 schrieb postgis at jochem.name:
> Hi,
>
> what I want to do is finding certain features in some distance around a
> certain point. Those features should be located in some corridor between X
> and Y km around this point. Currently I've solved this problem by
> computing two bounding boxes of X and Y km around the point and taking the
> difference of those. So far so good.
>
> But I don't want to have some quadratic box but a real circle - is there
> any way to achieve this?
>
> Best regards,
>  Rainer
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