[Tagging] Status of oneway=cw oneway=ccw

osm at hjart.dk osm at hjart.dk
Fri May 3 10:56:34 UTC 2019



Hufkratzer skrev den 02.05.2019 12:11:
> On 30.04.2019 21:05, Kevin Kenny wrote:
>> On Tue, Apr 30, 2019 at 2:19 PM s8evq <s8evq at runbox.com> wrote:
>>> Personally, I like signed_direction=yes. It's simple and avoids using 
>>> the word oneway.
>>> Also, using the value forward|backward might not be necessary, as 
>>> it's possible to deduce this from the order of ways in the relation.
>> The forward/backward direction cannot be deduced from the order of the
>> ways if the relation contains fewer than three ways.
> 
> For a non-roundtrip route consiting of two consecutive ways the route
> direction can be deduced from the order of the ways in the relation.

That's assuming the ways are ordered at all. I've cleaned up hundreds of 
routes (most created by Potlatch users though) and my advice is: do not 
rely on routes being ordered.
> 
> 
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