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Distance matrix question
This is a discussion on Distance matrix question within the MapPoint Web Service and Virtual Earth forums, part of the Map Forums category; Hello, I asked this awhile back and I'm not sure if there are any updates, but since MapPoint Web Services ...
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03-24-2006
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| Distance matrix question I asked this awhile back and I'm not sure if there are any updates, but since MapPoint Web Services doesn't do route optimization, we've created our own. That said, a weak point is that we're using "As the crow flies" distances between coordinates for the distance part of our optimization. In practice this technique works okay 95% of the time but is problematic with tighter inner city routes which contain a lot of 1 way streets. I'm pretty sure that MapQuest has something called a distance-matrix that provides the user with a driving distance between each point and the others. For 10 stops this would be a 10x10 matrix which would be pretty expensive using existing MP transaction costs. Is there anything equivalent or somekind of clever technique using CalculateSimpleRoute that I could use to generate such a matrix. Thanks, Jeff
__________________ Jeff         |
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04-10-2006
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| Rout Optimization
Right now there is no method that supports this in the MWS. The only workaround I could suggest would be as you suggested, generate the 10 routs, get the trip distance/time using the RoutItineray class. You’re correct though, that would be expensive since it's a transaction per start/end point. Sorry to not have a better answer. Mark – MWS |
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