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Use a function like this one:<br>
<br>
select station_id, station_name, distance(stations_2.geom,(select geom
from stations_1 where station_id = 34)) as dist from stations_2 where
station_id <> 34 order by dist asc<br>
<br>
hope this one speaks for itself, it returns a table ordered by
distance, from the nearest to the furthest, process the result in a
view or something.<br>
<br>
Good luck!<br>
<br>
<br>
<br>
bdbeames schreef:
<blockquote cite="mid:12106425.post@talk.nabble.com" type="cite">
<pre wrap="">I'm completely new to this so I need some help writing a query.
What I have is two tables with weather station information: id, name,
latitude, longitude, extra.
I am using google map where a user can click on a station from one of the
tables, I obtain the $latitude and $longitude points of that location. I
now want to use these to find the nearest weather station in my other table
based on the $latitude and $longitude point.
All that I need back from the query is the id and name of the nearest
station. Could someone help me write a simple query to do this.
My development environment is Linux/Apache/Postgres/php.
Thanks.
</pre>
</blockquote>
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