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<div class="moz-cite-prefix">On 2012-11-11 12:36, Ben Laenen wrote :<br>
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<blockquote cite="mid:201211111236.05773.benlaenen@gmail.com"
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<pre wrap="">On Sunday 11 November 2012 01:39:57 A.Pirard.Papou wrote:
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<pre wrap="">On 2012-11-08 16:46, Ben Laenen wrote :
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<pre wrap="">On Thursday 08 November 2012 16:34:23 Sander Deryckere wrote:
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<pre wrap="">As administrative boundaries should be nested nicely, I propose to
delete the boundary 2436189, and to use the municipalities of the
Arrondissement of Verviers as subareas. Just as with any other
arrondissement.
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Boundaries don't need to be nested. In our country it's impossible to
do so anyway.
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What do you mean?
That there should be a single relation called Belgium or that all ways
should be at level 8?
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I mean that (for example) there's really no problem if two enitities of the
same admin_level overlap a certain area (so that area belongs two both
entities). E.g. Brussels belonging to both Flemish and French Community.
Or if an entity with admin_level=8 doesn't sit nicely inside an entity with
admin_level=6. E.g. German speaking community being part of the Liege
province. Or French community not spanning the entire Liege province.
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Ah, no problem with non strictly nesting, overlapping areas.<br>
We already have that on the French borderline with <i>Parc naturel
régional Scarpe-Escaut</i> ;-)<br>
But please, please, please avoid sharing borderlines. <br>
To each area its own borderline, overlapping if needed, just like no
sharing roads and rivers.<br>
<br>
Borderlines should nest in multilinestring (or route) but most
sofware does not support that.<br>
That is why we have e.g. communities and arrondissements fighting
for the same borders and monopolizing their data.<br>
<br>
This said, it would be much more simple in all respects if Belgium
had only municipalities and provinces. Quadrilingual, if no more.
See CH.<br>
With friendly international names like Waterloo<i>-</i><i>Water-L'eau</i>
;-)<br>
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Totrevoirawsbye,<br>
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<td valign="top">André.</td>
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