[postgis-users] Bounding Circle instead of Bounding Box

[postgis at jochem.name]

Hi Nico,

ah, yes thanks -- that is really exactly what I need.

Thanks @all,
 Rainer


> 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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