<div dir="ltr">I do not know how to add adminstrative boundaries or relations, but it would be nice if these were added to the USA. INDIANA is divided between cities and county boarders. I was just hoping someone had done this and I would like to add this info to my maps.<div><br></div><div>Greg</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 7, 2016 at 5:27 AM, Marko Mäkelä <span dir="ltr"><<a href="mailto:marko.makela@iki.fi" target="_blank">marko.makela@iki.fi</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Tue, Jun 07, 2016 at 12:18:21PM +0300, Marko Mäkelä wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<a href="http://wiki.openstreetmap.org/wiki/Key:timezone" rel="noreferrer" target="_blank">http://wiki.openstreetmap.org/wiki/Key:timezone</a> seems to agree with my reasoning above. It also refers to a changeset that introduced time zones for the Australian states. However, all those modified objects have since then been removed, and the new Australian state relations do not seem to include timezone=*.<br>
</blockquote>
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Sorry, I was looking at a way, not at relations. At least <a href="http://www.openstreetmap.org/relation/2316595" rel="noreferrer" target="_blank">http://www.openstreetmap.org/relation/2316595</a> (name=Queensland) is tagged with timezone=Australia/Brisbane.<span class=""><br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
There is also an algorithmic problem of extracting boundaries of tagged areas. Even if all the administrative areas are tagged with timezone=*, we would want to derive the boundaries, so that only those administrative boundaries that also represent a time zone boundary (with different values on each side) will be displayed.<br>
</blockquote>
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Maybe the mkgmap bounds.zip could be extended with this information?<div class="HOEnZb"><div class="h5"><br>
<br>
Best regards,<br>
<br>
Marko<br>
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