[postgis-users] Determining clusters of points

[Sébastien Lorion]

OK I get it, sorry I did not realize that.

Sébastien

On Wed, Dec 8, 2010 at 21:07, Kevin Neufeld <kneufeld.ca at gmail.com> wrote:

> On 12/8/2010 3:58 PM, Sébastien Lorion wrote:
>
>> ... So to be clear, even tho the points "interact" with a range of 40,
>> they are not clustered together with the function you sent.
>>
>
> Um ... no. Sorry, there is miscommunication happening here.
>
> The recursive script I posted is checking if two points are within 80 units
> of each other.   If you wanted to view the result as buffered areas, you
> would use a radius of 40, not 80.
>
> So, if you wanted to have clusters where points are within 40 units of each
> other, you would view this using a radius of 20.
>
> Make sense?
> -- Kevin
>
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