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<div class="moz-cite-prefix">Hi,<br>
<br>
I have improved my border scanning program.<br>
For additional fun, I computed the length of borderlines between
municipalities.<br>
You can see the Province Liège result @ <a
href="http://wiki.openstreetmap.org/wiki/User:Papou/OSM">http://wiki.openstreetmap.org/wiki/User:Papou/OSM</a>.<br>
I intend to check the borders for various kinds of errors later
and build a worksheet (1).<br>
At present, it only builds that worksheet for persons to reserve
and mark completion of tasks.<br>
Click on the headers to sort the columns, especially by length.<br>
<br>
I thought I could make a shortest-border contest, but you can see
the problem: a 3 meter winner!<br>
That's because, despite the practice is discouraged, Mr Verdy has
been using paths as borders.<br>
After ignoring streams, paths and barbed wire borders, it turns
out that the winner is:<br>
<h3 align="center">Deutschland — Belgique / België / Belgien </h3>
Congratulations !!!<br>
What is that? That's the name Mr Verdy has given it instead of a
simple commune X commune Y.<br>
But it's easy to find which border it is by looking to which areas
it belongs:<br>
Verviers (town, arrondissement, province?), Deutschsprachige
Gemeinschaft, Deutschland (Landmasse), Deutschland,
Rheinland-Pfalz, Burg-Reuland, Liège (town, arrondissement,
province?), België - Belgique - Belgien, Belgigue / België /
Belgien (land mass), Deutschland — Belgique / België / Belgien,
Eifelkreis Bitburg-Prüm, Eifel, Sevenig (Our), Arzfeld and ...
1259856.<br>
<h3>Conclusions:</h3>
In order for my program (and others) to work and be useful,<br>
<ul>
<li><b>the names of the borders must be Municipality A —
Municipality B</b> and not 30 times Belgium — Germany or
Liège —Verviers. Note that this is border identification.
The names Belgium an Germany are taken from the relations and
written on the borderline to indicate country limits anyway.</li>
<li>proper ways must be used for borders, not paths, railways,
streams, landuse etc...</li>
</ul>
<p><b>Can we all agree on that?</b><br>
</p>
(1) I can check that each border has 2 communes and that the
municipality and border names are the same. I can check that the
municipality has a well formed phone number, is_in, and a huge lot
of things like that: I will ask you the rules you think of.<br>
<br>
Cheers, <br>
<br>
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