[Tagging] "Relations are not categories" excepted for "type=network" ?

[Paul Johnson]

I'm going to have to side with Pieren against the network relation.  Just
spitballing, but that would roughly mean one network per county, and an
additional 1-8 networks per state, occasionally one network per city, and
at least 3 for national in the US alone, bringing nothing to the table that
can't be accomplished in a far more manageable way in what would be each
member relation.  And I'm only talking road networks, and not the tens of
thousands of potentially mappable transit, bicycle, hiking networks.  It's
like hydroponic tomatoes: a great way to seriously complicate growing
without much payoff except in very few edge scenarios.
On Jul 15, 2014 10:59 AM, "Pieren" <pieren3 at gmail.com> wrote:

> I discover that OSM contains 1575 relations of "type=network"
> (taginfo). I guess its definition is coming from this wiki proposal:
> http://wiki.openstreetmap.org/wiki/Relations/Proposed/Network
>
> Quotes:
> "A network groups together routes that share common characteristics,
> e.g. a common operator, a common classification scheme (e.g. E-road
> network: "E 1", ..., "E 999"), ... "
>
> "Use cases
>
> Person A sees a bus route with number 217 and wonders how many other
> bus routes exist in that city.
>
> Renderer M wants to render all German motorways using white font on
> blue sign (official layout), and all E-roads with white font on green
> sign. This can be implemented by adding rules for  20614 (view, XML,
> Potlatch2, iD, JOSM, history, analyze, manage, gpx) and  20645 (view,
> XML, Potlatch2, iD, JOSM, history, analyze, manage, gpx).
>
> Renderer M wants to render all cycle routes that belong to the
> "D-Netz". However, there are a lot of other national cycle routes as
> well. "
>
> Plus some attached relations examples very explicite.
>
> As raised in the "discussion" page, is that not exactly breaking the
> "relations are not categories" ([1]) principle ? Can we delete such
> relations when we meet them ?
>
> Pieren
>
> [1]
> http://wiki.openstreetmap.org/wiki/Relations/Relations_are_not_Categories
>
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