[Tagging] length=

Bryan Housel bryan at 7thposition.com
Tue Jan 27 15:23:53 UTC 2015


I just did a quick search in iD.  We display the “Length” field only on the Runway preset. 
(I think it does make sense there)

Thanks, Bryan


> On Jan 27, 2015, at 10:04 AM, Mike Thompson <miketho16 at gmail.com> wrote:
> 
> I have noticed a "length" tag used on some linear ways [1]. It seems
> that this is redundant, as the length could be calculated from the
> geometry itself.  It could also be the source of future errors should
> someone split the way, for example to add more detailed tagging, such
> as varying smoothness.
> 
> The length key does have a wiki page [2], but the page doesn't have
> much content.  Perhaps it is only intended for nodes?
> 
> What do you think?  Should the length tag be used with ways and
> relations where the length can be calculated from the geometry itself?
> Am I missing something?
> 
> MIke
> 
> [1] https://www.openstreetmap.org/way/324078614
> [2] http://wiki.openstreetmap.org/wiki/Key:length
> 
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