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<div class="moz-cite-prefix">On 2015-11-26 20:08, Marcos Oliveira
wrote :<br>
</div>
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cite="mid:CAAzTB0OyZ-dEV_Edd7+X3Oi7O7bqtEcnerU1Rr-O_RaRWH3uQg@mail.gmail.com"
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<div dir="ltr">It's an handy and intuitive way of organizing
boundaries in a neat hierarchy visible from the database itself.</div>
</blockquote>
It is even mandatory when you have to make nested boundaries that
have no admin_level like the two boundary systems we have in Belgium
(political and linguistic). I don't think that the Belgian
government would appreciate Martin's idea to move the Belgian
boundaries to a talk page where we would discuss that with the
Swiss, the USA (Spanish and even French) and the other multilingual
countries.<br>
Or when you want to make simply an admin_level depend not on the
upper one but on one higher like Brussels is and like someone wanted
to do for Munich if I recall well.<br>
They are visually very easy to verify and there can be a very simple
program to use them to check the boundary ways nightmare and even to
create them. It's a bad idea to say they're redundant. (I almost
wrote that program but I lost that page of code). Place=* and their
tags are redundant with boundary=administrative relations and they
are much much less useful than subareas.<br>
When we were creating the boundaries of Belgium, a friend was
writing in a file the numbers of the boundaries he created.
Inevitably, we made the same job twice. The problem stopped when he
understood he should create a subarea as soon as a new boundary
relation is created.<br>
It's a really bad reaction to say "I don't understand that", may I
erase it? Understand first.<br>
There should be a <b>parent</b> role to the mother as well. A
relation tree could be scanned both directions in a wink with just
direct links without resorting to complicated methods.<br>
<br>
It is nice to see that those who did try to understand subareas and
did try to use them do appreciate them.<br>
I recently fixed a part of the German border that was going outside
Germany.<br>
<br>
Cheers
<br>
<br>
<table>
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<td>André.</td>
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<br>
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<div dir="ltr">
<div>Take for example this boundary [1]. If the subarea role was
deprecated then it would be a lot harder of finding out which
are its father, grandfather, etc. relations, which would make
verifying them a more tedious task. </div>
<div><br>
</div>
<div>[1] <a moz-do-not-send="true"
href="http://www.openstreetmap.org/relation/4172448">http://www.openstreetmap.org/relation/4172448</a></div>
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<br>
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<div class="gmail_extra">
<div class="gmail_quote">2015-11-26 18:51 GMT+00:00 Martin
Koppenhoefer <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:dieterdreist@gmail.com" target="_blank">dieterdreist@gmail.com</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">
<div>
<div>
<div>
<div>
<div>I just noticed that a lot of boundary
relations have the lower ranking parts included
as members with the "subarea" role.<br>
</div>
This role is documented here: <br>
<a moz-do-not-send="true"
href="http://wiki.openstreetmap.org/wiki/Relation:boundary"
target="_blank">http://wiki.openstreetmap.org/wiki/Relation:boundary</a><br>
<br>
</div>
But I wonder how it got on this definition page. Was
this discussed anywhere? I don't think it's a good
idea to add all those lower entities in nested
relations (they are already spatially structured,
this is redundant and makes the relations more
complicated for no good reason).<br>
<br>
</div>
I propose to remove this property from the definition
page and move it to the talk page.<br>
<br>
</div>
<div>Comments?<br>
</div>
<div><br>
</div>
Cheers,<br>
</div>
Martin<br>
</div>
<br>
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</blockquote>
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<br>
<br clear="all">
<div><br>
</div>
-- <br>
<div class="gmail_signature">Um Abraço,<br>
Marcos Oliveira<br>
</div>
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