By Andy McCue, 13 November 2006 15:50
The "citizen cartographers" use GPS devices to record their movements as they drive, cycle or walk along all the roads in the selected area. OpenStreetMap relies on volunteers to collect and upload the GPS data that creates the maps. There are currently more than 3,600 contributors doing around 50 uploads per day.
Coast said: "You go round with your commodity £50 GPS and you come home and you upload that trace and you can tag it with where you have been, like Manchester or London."
Photo credit: Libby Miller
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1. Mike Whittaker
I found the open street map software awkward to use, in particular, setting zoom level, examining data points and setting filters by area or date.
If they want more contributors, the whole process should be made more straightforward - or step-by-step documented.