Wasn't it [EMAIL PROTECTED] who wrote:
>
>Thanks for the link.
>
>The more I think about my requiremnent the harder I think it will be.
>This is a virtual route and therefore we would not have an GPS logs
>because it is all theoretical.
>I might go back to the drawing board on this one.
It sounds like you might be doing something like this
http://econym.googlepages.com/temp_charityWalk.htm
which was set up for a Canadian charity walk. Lots of different people
did different amounts of walking in different places, and the idea was
for the whole thing to add up to the equivalent of walking across
Canada. Enter a number into the box at the bottom (numbers between 1000
and 4000 are sensible) and it plots how much has been done so far.
It works by first using GDirections to calculate the polyline for the
whole route, but doesn't display it. When the user enters a number, it
uses poly.GetPointAtDistance() from EPoly.js to find the point that far
along the route. Finally, it uses GDirections to plot the route from the
start to that point.
Change the map.setCenter() and use
dirn1.load("from: Lands End Cornwall to: John O Groats");
or whatever the equivalent is for "USA Coast to Coast".
For "round the UK coastline" and "round the world" you'd need to find a
different way to generate the underlying polyline, because GDirections
won't handle that.
--
http://econym.googlepages.com/index.htm
The Blackpool Community Church Javascript Team
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