Hi Gerd,
> The problem is that the to-way is a loop, both start and end point
> are connected to the from way.
Loop gives you 2 possible choices. It should be relative easy to find
which one fits description in "restriction=". I mean, if you already
have this complex code, then you probably could go a bit further,
calculate 2 angles and make a decision. But I understand, that some
generic algorithm would be preferable.
> Or maybe "start/end" already means "either start or end, not both" ?
IMO this statement doesn't exclude loops.
Maybe we could propose additional requirement, that form-via-to set of
members should constitute one unambiguous way? This would exclude loops.
--
Best regards,
Andrzej
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