[Tagging] OSM is a right mess (was: Craigslist OpenStreetMap Rendering Issue)

John Eldredge john at jfeldredge.com
Wed Jun 3 00:28:11 UTC 2015

The reason for tag/value pairs such as oneway=no is that the absence of a 
oneway tag can mean either that it is unknown whether a given way is 
one-way or not, or that it is definitely known to be not be one-way. Using 
one-way=no states that it is definitely known not to be one-way.

John F. Eldredge -- john at jfeldredge.com
"Darkness cannot drive out darkness; only light can do that. Hate cannot 
drive out hate; only love can do that." -- Martin Luther King, Jr.

On June 2, 2015 7:06:26 PM "pmailkeey ." <pmailkeey at googlemail.com> wrote:

> iD shows oneway=unknown if it's not set. If it's unknown, iD should not
> show oneway at all.
> In OSM if oneway=no then it's not oneway and the oneway tag should not
> appear at all.
> The only time oneway should appear is in the case of oneway=yes - and the
> '=yes' is superfluous.
> OSM's k=v design is completely a serious and unnecessary flaw. Similarly
> are 'categories' like man_made', and 'amenity'.
> Why can we not simply stick to hard facts rather guessing what categor(ies)
> an object fits in
> A fountain is a fountain. It does not matter if it is
>    - an amenity
>    - man made
>    - natural water (???!!)
> etc. Such categorization is semi-ambiguous; people think differently and
> are happy to categorize differently - and more - argue over categories.
> OSM is 90% argument, 5% dead-end discussions and 5% progress. The whole is
> not a marketable product; it's not fit to be rated as 'beta'. Is this a
> significant cause of ex-mappers ? It's a flipping brilliant project but
> sadly lacking a great leader.
> --
> Mike.
> @millomweb <https://sites.google.com/site/millomweb/index/introduction> -
> For all your info on Millom and South Copeland
> via *the area's premier website - *
> *currently unavailable due to ongoing harassment of me, my family, property
> & pets*
> T&Cs <https://sites.google.com/site/pmailkeey/e-mail>
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