[postgis-devel] KNN, again

[Paul Ramsey]

There is no support for KNN in PostGIS at this time, in any version.
In related news, I now have contract dollars to change that for 2.0,
thanks to Vizzuality (www.vizzuality.com)

p.

On Sun, Jun 26, 2011 at 11:38 AM,  <maplabs at light42.com> wrote:
> Hi -
>
>   sorry for my lack of penetrating insight on this topic
>
> Does the nearly complete PostGIS 1.5.3 have a way to take advantage of a KNN
> GIST index if it is there in Pg 9.1 ?
>
> How will PostGIS 2.0 detect and use KNN GIST in 9.1, and not in 8.4 and 9.0
> ?
>
> --
>   I honestly tried to read the PG KNN patches directly, but the GIST
> mechanism is so broad, and touches so many files, that I got lost.. I think
> I am pretty good at reading such things, and I just didnt get it..
>   thanks in advance
>    -Brian
>
> ==
> Brian Hamlin
> GeoCal
> OSGeo California Chapter
> (415) 717-4462 cell
>
>
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