What could be the existing engines and schemas that I could use? On Thu, Sep 10, 2009 at 6:33 PM, Emilie Laffray <[email protected]>wrote:
> > > 2009/9/10 Sajjad Anwar <[email protected]> > >> Hello. >> Im new to this list. Perhaps my first email. >> >> Im trying to write a geocoding application for my city (Calicut, Kerala, >> India). Currently Im updating the database using JOSM. I understood that, I >> need to query the database with the string the user provider through my >> application. What is the way for that? I also understood that, as Im in >> India, we can reduce the false results by extrating the smaller subset of >> India Database. How could that be done? Somebody in the channel gave me an >> XML datasheet of India. How do I use that into a database in my server and >> application? I plan to code in Python. >> Please help. Thank you. >> > > The first thing that you want is to get an extract of the database. You > could download the entire planet or you can go to either Cloudmade or > Geofabrik sites to have that database. http://planet.openstreetmap.org > Since you are mostly concerned about your city, grab the smallest extract > of India and then use Osmosis to cut this extract with a bounding containing > your town. http://wiki.openstreetmap.org/wiki/Osmosis > There are two tools to import OSM data into a postgres database: Osmosis > and osm2pgsql. They have 2 different schemas. Osmosis is quite complete but > more difficult to work this, while osm2pgsql is done for Mapnik rendering. > It is likely that if you are building a geocoding application from scratch, > that you will need to extract the data from one of those schemas. Else, you > can ask around if you could use one of the existing engine for your town. > > Emilie Laffray > -- Sajjad Anwar http://geohackers.in http://fsugcalicut.org [email protected] +91 9995 19 13 12
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