<p dir="ltr">+1 from me. </p>
<p dir="ltr">I believe the whole U.S. boundary relation actually contains all the state boundaries as subareas. I've never understood the use. I guess a couple of times it made downloading the state relations for editing easier but I have other ways of doing that...</p>
<p dir="ltr">Toby</p>
<div class="gmail_quote">On Jan 7, 2015 7:23 PM, "Dave F." <<a href="mailto:davefox@madasafish.com">davefox@madasafish.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi<br>
<br>
This UK county boundary (admin level = 6):<br>
<a href="http://www.openstreetmap.org/relation/57533#map=9/51.1854/-1.8237" target="_blank">http://www.openstreetmap.org/<u></u>relation/57533#map=9/51.1854/-<u></u>1.8237</a><br>
<br>
contains nested boundary relations (tagged with role=subarea) with numerically higher admin levels:<br>
<a href="http://www.openstreetmap.org/relation/3410643#map=13/51.3398/-2.2428" target="_blank">http://www.openstreetmap.org/<u></u>relation/3410643#map=13/51.<u></u>3398/-2.2428</a><br>
<br>
Are they relevant? If so, what are they for? The wiki suggests they're superseded:<br>
<a href="http://wiki.openstreetmap.org/wiki/Relation:boundary#Relation_members" target="_blank">http://wiki.openstreetmap.org/<u></u>wiki/Relation:boundary#<u></u>Relation_members</a><br>
<br>
To me, subarea appears to be used in a similar way to the superseded 'is_in' tag, For the same reasons that tag was deprecated, mathematics & the admin_level tag can be used to determine if one polygon is inside another. They seem to be purely extra baggage<br>
<br>
Am I missing something or can these nested relations be removed?<br>
<br>
Cheers<br>
Dave F.<br>
<br>
<br>
<br>
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