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I am developing a VB application which calculates ....

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Old 04-04-2002
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I am developing a VB application which calculates a route.

If I know the current lat / long of a vehicle can I find the following

1. Has the vehicle left the route?
2. If on the route, what segment of the route is the vehicle currently on?

Thanks
Stew
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Old 04-04-2002
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It is easy to find out how far from the route a location is

objRoute.DistanceTo( objLoc )

If anyone knows how to do the 2nd part I would like to know.

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Old 04-04-2002
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This would be very difficult to do programmatically. From the location associated with each segment on the route you can get the lat/lon of the center of the segment, but there is no simple way that I know of to determine whether any arbitrary lat/lon is within a speficied distance of the route.

- Walt Cygan
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