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Route with highway's gives incorrect result
This is a discussion on Route with highway's gives incorrect result within the MapPoint 2006/2009 Discussion forums, part of the Map Forums category; When determining (programmatically and manual) the route between two points (one point is positioned at a highway/motorway) the calculated result ...
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07-20-2004
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| Route with highway's gives incorrect result The route will be going straight across the map toward a local road instead to the highway exit. Moving the point at the highway a little the route is calculated correctly. Is it possible to get the correct route in one step?         |
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07-21-2004
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This is a problem that may not have a solution. It always occurs when trying to route to or from a road of GeoRoadType geoRoadInterstate. These are described in the documentation as limited-access highways. I suppose this is essentially correct behaviour since you cannot actually join a motorway, or the US equivalent, except at junctions. However there doesn't seem to be any way to determine a roads GeoRoadType in advance and so program accordingly. If anyone knows of a solution I would be very interested. Roger |
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07-21-2004
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An interesting fact is when you move the stop located at the highway, after the route has been calculated (with a wrong result); Mappoint automatically recalculated the route and gives back the correct result. I’m looking how I can achieve this situation in my own code. |
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07-21-2004
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Yes, I also discovered that and tried moving the waypoint in code. Problem was that although it was easy enough to move the waypoint a small amount and back again it did not produce the required effect. I could only acheive the required result by moving the waypoint with the mouse! If you have any success let me know. Roger |
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