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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