Easy to implement .net library for geocoding using a free service?

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+3 Q:

Easy to implement .net library for geocoding using a free service?

I need to geocode adresses (get lat/long from addresses) using in .Net, to store in the database.

What is the library/project to look into, to get that done?

After a search here, on google and codeplex.com, I have found there to be a few options, that seem like they will do what I ask for... But some of them could be crap and a waste of time - and some might just be stellar.

Which one is the one to go for? Have you used any of them?

+1 A:

We use geoNames for our geocoding needs. Just connect, send your query, and it will return XML or JSON (in some cases). Here is an article on how to wire it up with WCF.

Muad'Dib 2009-04-26 22:21:58

+2 A:

Using Google Maps API or Microsoft MapPoint API this is very easy to do. It depends a lot on your usage requirements, ie how many geocodes do you plan on doing on an ongoing basis.

Craig 2009-04-26 22:49:55

Very few - like initially 3-400 and then maybe 20 a week - so very little.

Kjensen 2009-04-27 01:05:39

I think Google Maps terms of use deny storing resolved lat/long in a database though.

Mikko Rantanen 2009-04-27 01:21:54

I don't think this is correct regarding Google Maps and storing geocodes. I have done a lot of work with Google Maps and my experience with them is they encourage storing lat/long to reduce load on their servers. They don't encourage wholesale storage of their data in your database however, for example using Google Base they wouldn't want you to do a complete product dump.

Craig 2009-04-27 01:51:37

+2 A:

Check out GeoCoding.Net - generic geocoding API for Google, Yahoo, and Bing

Chad 2010-04-14 03:00:27

ansaurus

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Easy to implement .net library for geocoding using a free service?

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