Or just follow the same shape as border +/- say 1-4meters offset(keep it
inside the polygon)

On Wed, Sep 6, 2017 at 7:57 AM, Dave F <davefoxfa...@btinternet.com> wrote:

> Sorry wanted to add this:
>
> With irregular shapes (crescent, for example) a check to see if the route
> is within the boundary & insert an extra node if required maybe be a bit
> more work but not impossible.
>
>
> DaveF
>
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