Re: Loadfromwaypoints path variance

The waypoints are generated by a gps modem in a vehicle. I have no way
of changing or correcting them.

On Apr 23, 12:43 am, William <william.g...@gmail.com> wrote:
> On Apr 23, 3:11 am, Jeff <rossi.j...@gmail.com> wrote:
>
> > I've been asked to write a "trip replay"
>
> >http://assetmotion.numerexfast.com/reports/trip_detail/1231?page=3
>
> > click the link 'Replay Trip' to see the script work.
>
> > Which is done using gDirections..loadFromWaypoints()
>
> > It worked fine on around town trips but on the highway you get
> > unexpected varying from the path.
>
> > Does anyone know what options I should pass to loadfromwaypoints to
> > get the data coming back from google to be accurate.
>
> the Interstate 276 is accurately represented as two separate road
> lines, eastbound and westbound.
>
> In in your example the first waypoint is closest to the eastbound
> line, and the second waypoint is closest to the westbound line, so the
> request is understood to mean that you want to get to the other side
> of the road.
>
> The vehicle must find a way to turn around on the highway, which means
> taking the nearest offramp and looping over a bridge to get to the
> other side.  Highway navigation requires more accurate waypoint data.
>
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