[OSM-talk] prohibited manoeuvres

[Scott Waye]

I much prefer putting tags on the node:

<node>
   <no_turn from="seg_id_x" to_seg="seg_id_y">

I have implemented an A* algorithm for osm and I think this would be the 
easiest one to incorporate.  Anything with "left"s, "fourth left", is 
just a pain.

Andy Allan wrote:

>On 2/5/07, A Morris <aledmorris2 at gmail.com> wrote:
>  
>
>>How about this:
>>
>>    
>>
>
>See http://wiki.openstreetmap.org/index.php/Proposed_features/Routing:_turn_restrictions
>for the non-concluded discussions. As for an example of a more
>complicated restriction, here's one from where I live:
>
>No right turn between 8am-7pm (except buses and cycles) - I should
>really pop over and grab a photo of it.
>
>If you're willing to take this challenge on, my advice would be to
>gather as many real-life restrictions (i.e. photographs) as possible
>BEFORE coming up with a solution, otherwise you'll end up bolting on
>quick fixes as you go along. And be careful, plans have been suggested
>a number of times to remove segments from OSM at some point.
>
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>  
>