Tuesday, August 28, 2012
Hi guys
Just a question....... I need some advice
I am looking to put together a RoR app to interface with an iPhone app
The iPhone app will be like a 'find the nearest' app. When the user runs it, it will take the user's location, send a JSON request to the RoR app running on a remote server with the location in the querystring
The RoR app should then send back a list of locations for a particular location for the iPhone app to display on the map.
Is there any good gems that might help with this? I already have the locations stored in the database along with and address, and can convert the address into lat/long using geocoding.
The part I am stuck about is an algorithm to search the database for the 'nearest' locations given a particular lat/long.
Thanks
William
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