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<div class="moz-cite-prefix">On 9/5/2016 4:34 AM, Greg Wickham
wrote:<br>
</div>
<blockquote
cite="mid:483763F5-8C7D-4B4C-A7A4-B014419AF565@gmail.com"
type="cite">
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<div class="">In Saudi Arabia a wadi is a mostly dry riverbed that
carries water very infrequently (maybe a couple of times year).</div>
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</div>
<div class="">Within most sandy bottomed wadi’s is at least one
track (typically 4wd).</div>
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</div>
<div class="">The exact location of the track within the wadi will
change due to occasional flooding events.</div>
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</div>
<div class="">I’ve read the discussion summary at <a
moz-do-not-send="true"
href="http://wiki.openstreetmap.org/wiki/Talk:Tag:waterway=wadi"
class="">http://wiki.openstreetmap.org/wiki/Talk:Tag:waterway%3Dwadi</a> but</div>
<div class="">I’m still not clear exactly how to tag this feature?</div>
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</div>
<div class="">It seems:</div>
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</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>-
waterway=wadi</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>-
intermittent=yes</div>
<div class=""><br class="">
</div>
<div class="">is ok.</div>
<div class=""><br class="">
</div>
<div class="">But how to indicate can be vehicle track?</div>
<div class=""><br class="">
</div>
<div class="">Is it ok to mark a track in the “rough” vicinity
(i.e.: the track path will change between flooding events)?</div>
<div class=""><br class="">
</div>
<div class="">Should the wadi “line” be marked in the centre
between the edges?</div>
<div class=""><br class="">
</div>
<div class="">Would these tags be ok for a: “sandy bottomed wadi;
4wd only"</div>
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</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>waterway
= wadi</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>intermittent
= yes</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>highway
= track</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>tracktype
= grade4</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>4wd_only
= yes</div>
<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>surface
= unpaved</div>
<div class=""><br class="">
</div>
<div class="">Suggestions welcome.</div>
<div class=""><br class="">
</div>
<div class=""> <br>
</div>
</blockquote>
<br>
In an ideal world;<br>
the wadi would be a way along the lowest path - where water would
first flow.<br>
the track would be a separate way <br>
<br>
For less work a mapper would combine these into one way ... that
makes rendering harder. <br>
<br>
<br>
<br>
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