Hi Anael When requesting a viaroute computation, I see that the OSRM server does not > try to reorder coordinates so the route found will be the shortest. > > I'd like to keep the start/end in place but to order other coordinates. > > Is there anything I can do to do so without writing my own algorithm ? >
It sounds to me like you would like to do an actual combinatorial optimization - ie. in which order should I visit places x, y, and z to get the shortest total route? If so this is a classical problem known as the Travelling Salesman Problem - which you can read a bit more about here: http://en.wikipedia.org/wiki/Travelling_salesman_problem For TSPs (and similar problems) I use my own optimization algorithms on top of a distance matrix calculated using OSRM, you might want to consider that too. Regards, Greg *Hans Gregers Petersen* Partner, Senior Consultant www.septima.dk
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