[postgis-users] Readable reference for <-> the distance operators

[Paul Ramsey]

Hopefully I'm not too immodest in saying this

http://workshops.boundlessgeo.com/postgis-intro/knn.html

P

On Wed, Nov 20, 2013 at 10:49 AM, Stephen Mather
<stephen at smathermather.com> wrote:
> Hi All,
>
> What's the best (normal) human readable reference for the PostGIS distance
> operators-- but deep enough to talk about the use of index structure in the
> use of the operators?
>
> Thanks,
> Best,
> Steve
>
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