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<div class="moz-cite-prefix">On 08/29/2013 09:57 AM, Colin Smale
wrote:<br>
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<blockquote cite="mid:46bdd1416e7285faf3901c6fa7003f5c@xs4all.nl"
type="cite">
<p>Won't the calculated radius depend on the number of points on
the way, and the width of the road? If you look closely at the
geometry of a curved road in OSM it is of course made up of
straight segments with a certain angle between them. A right
angle junction might be a 45 steps of 2 degrees each, giving a
smooth curve with a certain radius, but it can also be
represented by a single node with an angle of 90 degrees. How do
you work out the turning radius from that?</p>
<p>On 2013-08-29 16:48, John F. Eldredge wrote:</p>
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<div class="moz-cite-prefix">On 08/29/2013 09:33 AM, Pieren
wrote:</div>
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<div class="gmail_quote">On Thu, Aug 29, 2013 at 4:07 PM,
André Pirard <span><<a moz-do-not-send="true"
href="mailto:A.Pirard.Papou@gmail.com">A.Pirard.Papou@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px
#ccc solid; padding-left: 1ex;">
<div><br>
I was very surprised to <a moz-do-not-send="true"
href="http://wiki.openstreetmap.org/wiki/Key:turning_radius">come
across that tag</a><br>
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<div> </div>
<div>I will remove it from the "map features" page.
Radius can be calculated from the way geometry. It has
been used 7 times by one user so far... Next comments
on this should be forwarded to the tagging list.</div>
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<div class="gmail_extra">Pieren</div>
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<pre>_______________________________________________
Tagging mailing list
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<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://lists.openstreetmap.org/listinfo/tagging">http://lists.openstreetmap.org/listinfo/tagging</a>
</pre>
</blockquote>
I suppose the logic is to say "what is the largest turning
radius that can turn around at this point", but it does make
more sense to calculate it from the way geometry instead.<br>
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<pre>_______________________________________________
Tagging mailing list
<a moz-do-not-send="true" href="mailto:Tagging@openstreetmap.org">Tagging@openstreetmap.org</a>
<a moz-do-not-send="true" href="http://lists.openstreetmap.org/listinfo/tagging">http://lists.openstreetmap.org/listinfo/tagging</a>
</pre>
</blockquote>
<p> </p>
<div> </div>
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<pre wrap="">_______________________________________________
Tagging mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Tagging@openstreetmap.org">Tagging@openstreetmap.org</a>
<a class="moz-txt-link-freetext" href="http://lists.openstreetmap.org/listinfo/tagging">http://lists.openstreetmap.org/listinfo/tagging</a>
</pre>
</blockquote>
I see your point. Yes, there might be some usefulness to this tag
after all. This is one that probably would not be displayed on map
tiles, but might be of use to specialized routing software.<br>
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