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<div dir="ltr">On Sat, 16 Feb 2019, 15:26 Andy Mabbett <<a
href="mailto:andy@pigsonthewing.org.uk"
moz-do-not-send="true">andy@pigsonthewing.org.uk</a>
wrote:</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">I would
suggest that values entered by human mappers are more likely<br>
to be "error prone"; and that we should be more concerned
with<br>
on-the-ground reality than "offical" figures.<br>
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It's easy to make a script to total up all the segments of a
waterway or any way.<br>
It would be already done if the routers added "by boat" to my
suggested "by plane" ("as the crow flies").<br>
I suggested that real routes can be made of multiple segments of
those various kinds.<br>
Like a car travel followed by a hike including a canoe trip.<br>
Like the Tour de France (some parts by plane).<br>
But I seem like not well understood or maybe seen as eccentric.<br>
<br>
All the best,
<br>
<br>
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<td>André.</td>
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