This link is to an online map of the area immediately around my house. It’s not quite as neat and tidy as the equivalent Google Map, but you’ll have to excuse the cartographer and his equipment for that. The cartographer? For most of the map, yours truly. The equipment? A $200 Garmin GPS unit (there are cheaper units that would do the job, too), a notepad, and a bicycle to speed up the process. But if Google Maps costs nothing, what’s the point of OpenStreetMap, a Wikipedia-style project to make an online street map?
Google Maps might be free to view online, but there’s limits to what you can do. Want to make a map featuring just bicycle trails? You can’t. Want to include a copy of a map in a report you’re producing. You’re not allowed, unless you pay. Want to load it into your car navigation system. No can do – and map updates for in-car GPS systems are bloody expensive! OpenStreetMap data, available under one of the Creative Commons licenses, can be used for any and all such purposes.
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