[postgis-users] geocoder

Paul Ramsey pramsey at refractions.net
Tue Sep 28 17:53:32 PDT 2004


We are working on one now, to be used with TIGER data. When we release, 
we will release the plpgsql, pgsql table dumps, and a mapserver map file 
for viewing the road data.  More info to come...

Paul

David Bitner wrote:
> Has anybody out there created a geocoder function in pl/sql for use with
> postgis?  I don't want to reinvent the wheel if anyone has done this, and if
> nobody has done this, I would love to get any pointers on how best to start.
> 
> Completely within postgis I would like to be able to use a function like:
> select geocode("5555 Address Ave, Minneapolis, MN 55555") from streets_db
> or
> select * from geocode("...",streets_db)
> The return should be a temporary table with rows ranked by likelihood
> containing interpolated point location, the geometry of the line segment
> section, and the component parts of the address itself in a normalized form
> (av gets changed to ave).
> 
> Using php and mapserver, I have implemented a ragtag geocoder, but I think
> that it would be a much cleaner and easier approach to do the address
> normalization and the scoring completely within pl/sql.  Problem is, I have
> no programming experience with pl/sql -- not to say that I'm not ready to
> get my hands dirty.
> 
> Thanks,
> David
> 
> 
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