I'd stick to tags on the relations, and not super relations. Relations are
not categories. Relations are for things that are in spatial *relationship*
to one another, not just a collection.

Richard

On 10 Feb 2017 13:37, "SK53" <sk53....@gmail.com> wrote:

> I'm really not sure that we should be trying to map these at all. If we do
> I think Colin's approach is best: a super-relation of other admin entities.
> Not easy to create in the online editors but easy enough in JOSM.
>
> There is very little on the ground to allow verification, and I suspect
> many will be rather ephemeral entities.
>
> There are numerous other boundaries which might be of more interest, but
> still perhaps not suitable for OSM : school and GP catchment areas; police
> authority areas and community policing areas; NHS commissioning areas; etc,
> etc.
>
> As ever the question is where do we stop. I think a useful questions to
> ask are: "Are these boundaries principally used internally to an
> organisation with little or no use outside it?"; "Do the boundaries impinge
> on people external to the originating organisation such that reference to
> these boundaries is likely to be made regularly?"; "Can people tell you
> where roughly where these boundaries lie?.
>
> I can at a pinch tell you the catchment area of my GP surgery because they
> have a big map on the surgery wall, and once upon a time knowledge of NHS
> DHA boundaries was something I need to know professionally, but for the
> most part I dont know anything about the others.
>
> Jerry
>
> On 10 February 2017 at 12:01, Colin Smale <colin.sm...@xs4all.nl> wrote:
>
>> Hi Brian,
>>
>> On 2017-02-10 12:36, Brian Prangle wrote:
>>
>> Hmmmm - that's one way I hadn't thought of. I was thinking of just adding
>> a tag to each boundary relation to indicate membership status along the
>> lines of west_midlands_combined_authority= constituent_member or
>> non-constituent_member as appropriate. It should work just as well and
>> won't fry my brain in trying to build a relation of that complexity
>>
>> The relations shouldn't be complex, certainly not brain-fryingly so..
>> Also a single relation for the WMCA would comply with the principle of "one
>> object in real life is one object in OSM" and give a unique starting point
>> for users to find the extent and the membership of the authority. Is
>> "non-constituent membership" limited to LA's in the vicinity of the West
>> Midlands? Anything to stop e.g. Cornwall Council from joining, if they so
>> desired?
>>
>>
>>
>> Counties might not be officially required but trying filling in an online
>> address form and see where it gets you if you omit county!
>>
>> Not really our problem! What county would you enter for Uxbridge?
>> Middlesex? Or Greater London?
>>
>>
>> And what admin status should we give to Local Economic Partnerships?  My
>> inclination is not to bother mapping them as boundaries but to add tags as
>> above along the lines of LEP= name
>>
>>
>> LA's can belong to multiple LEPs so this might get messy. Again I would
>> apply the principle of "one object..." and create a relation for the LEP,
>> and make the LAs members. This allows the LEPs to overlap without any
>> ambiguity and "not a semicolon in sight"...
>>
>> //colin
>>
>>
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