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Developer.com: Retrieving Location Coordinates Using the Geocoder.us Web Service and PHP

Sep 14, 2005, 05:30 (0 Talkback[s])
(Other stories by Jason Gilmore)

"In the last installment, 'Integrating Google Maps Into Your Web Applications,' you learned how to take advantage of Google's amazingly convenient mapping API. In this tutorial, I mentioned the API doesn't yet offer a means for translating addresses to latitudinal and longitudinal coordinates. Because these coordinates are required to display locations and plot points, information about two third-party solutions capable of doing so was provided: doing so through the geocoder.us website or by creating your own data repository using the Perl module Geo::Coder::US and the freely available U.S. Census Bureau TIGER/Line data. Because the reader response to this most recent article was considerable, I've decided to continue the discussion by showing you how to retrieve these coordinates using the geocoder.us Web services and PHP scripting language. In the next installment, I'll introduce the second solution requiring the Geo::Coder::US module..."

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