[erlang-questions] Any Erlang GIS software out there?

Michael Schreckenbauer grimlog@REDACTED
Tue Dec 20 20:38:30 CET 2011


Hi,

Am Dienstag, 20. Dezember 2011, 08:55:47 schrieb Anthony Molinaro:
> On Wed, Dec 14, 2011 at 01:17:27PM +0100, Dave Cottlehuber wrote:
> > On 15 September 2011 18:06, Anthony Molinaro
> > 
> > <anthonym@REDACTED> wrote:
> > >  I'm interested in doing some reverse geocoding (taking lat/long and
> > > getting nearby cities).  While looking around I've not seen any GIS
> > > related software written in erlang.  So just wondering if I'm
> > > missing
> > > anything?  Anyone written any GIS related software in Erlang?
> > 
> > GeoCouch https://github.com/couchbase/geocouch by Volker Mische is a
> > popular erlang extension to CouchDB that does GIS stuff such as
> > bounding box queries. You would need to have the list of interesting
> > stuff such as cities in the Couch DB already.
> 
> Thanks for the pointer, but the trick is the interesting stuff, which
> AFAIK is not readily available (ie, city bounding box data is not
> easily available, even country data is not readily available as far
> as I can tell).

we use openstreetmap for this.

eg.
http://nominatim.openstreetmap.org/?q=stockholm,se&format=xml

<searchresults timestamp="Tue, 20 Dec 11 13:56:30 -0500" attribution="Data 
Copyright OpenStreetMap Contributors, Some Rights Reserved. CC-BY-SA 2.0." 
querystring="stockholm,se" polygon="false" 
exclude_place_ids="127734,79488949,12525155,6850844,4708086,1099387" 
more_url="http://open.mapquestapi.com/nominatim/v1/search?format=xml&exclude_place_ids=127734,79488949,12525155,6850844,4708086,1099387&accept-
language=de-de,de;q=0.8,en-us;q=0.5,en;q=0.3&q=stockholm%2Cse"><place 
place_id="127734" osm_type="node" osm_id="25929985" place_rank="15" 
boundingbox="59.3207609558,59.3407647705,18.0513079071,18.0713098145" 
lat="59.3307611" lon="18.0613098" display_name="Stockholm, Stockholms län, 
Svealand, Schweden, Europa" class="place" type="city" 
icon="http://open.mapquestapi.com/nominatim/v1/images/mapicons/poi_place_city.p.20.png"/>
...

> Cheers,
> -Anthony

Best,
Michael




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