geocoding - Convert addresses into coordinate -


how convert large number of addresses (with street address, city , street number) in coordinates (latitude , longitude)?

... without having 1 @ time? there script?

it sounds you're looking geocoding — taking address , converting corresponding latitude , longitude coordinates. if have addresses in list, can use service offers batch processing don't have upload addresses 1 @ time. alternatively, process each address looping through script (one @ time, super-fast); that, you'd want service offers api let work through addresses programmatically.

you'll more accurate results geocoding if can standardize , validate addresses first — basically, make sure addresses real comparing them known set of valid data. expertise comes in; work @ smartystreets.

there several different services use geocoding, , each 1 give different results. best geocoding data seems come googlemaps , bing, terms of service prohibit storing geocodes or using data other displaying on maps. here's explanation of quality you'll find geocoding data in general: http://smartystreets.com/kb/faq/how-accurate-is-your-geocoding-data

smartystreets specializes in validating , geocoding addresses. offer service called liveaddress, lets upload list of addresses or use our api, , we'll process them & return tons of data — including latitude , longitude. it's super-fast , provides more information each address.

a few notes: isn't totally free option lots of addresses, price best you'll find type of service. smartystreets (and liveaddress lists) able give information addresses, well; if you're looking geocode addresses world-wide, wouldn't able of them.

like said, there lots of services can use geocode data. suggest looking @ of different options , finding whichever 1 useful you. google search terms "address validation" give list of options choose from.


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