I have a large number of GIS coordinates (latitude, longitude), and I would like to get the distance between them. Is there a service that will calculate the shortest path for me? I know about google maps, but I would like to use something that I can use with Python, and this can handle a large batch of requests at the same time.
I am looking for distance along the way, so there will be no direct distance.
thank
Open OpenStreetMap. You can download their map data and hang them in your local system. http://wiki.openstreetmap.org/wiki/Routing discusses various routing systems for its data.
, np-complete?
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