On Thu, Sep 12, 2002 at 12:49:21 -0500, Larry Rosenman <[EMAIL PROTECTED]> wrote: > Look at contrib/earthdistance, I **think** it does what you need.
There isn't an index for the distance operator. You can use boxes to limit the candidates if there is a small bound on how far apart points can be before they are no longer candidates for a match even if they are a nearest neighbor pair. ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])