[Tagging] New Proposal
news at pointdee.co.uk
Thu May 2 16:05:53 UTC 2013
On 02/05/13 00:40, Dave F. wrote:
> On 01/05/2013 18:26, Philip Barnes wrote:
>> That is just one example, this problem does not only exist with grade
>> separate roads. Take this example,http://osrm.at/36D
>> To stay on the A511 no instruction to turn is given, therefore it is
>> easy to continue straight ahead.
> The blue line shows it knows where to go. There's nothing wrong with it
> calculating the directions, but, as kytomaa suggests, it's missing a
> written instruction.
> The OP's assertion that it's impossible to determine is a bit dramatic.
> The orientation of the ways to each other & that a road reference
> appears to change is irrelevant - if users wants to go to Haslingden,
> that's the road they should be on. Instructing them can't be that hard:
> "Take next left junction to stay on the A56". or how about this:
So "impossible to determine" might be a little strong but the problem is
that routing software will not give the direction "Take next left
junction to stay on the A56" as it does not realise that there is a turn
here That's what the through_route relation is attempting to remedy.
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