----- Original Message -----
From: "Nathan Edgars II" <[email protected]>
To: "Tag discussion, strategy and related tools" <[email protected]>
Sent: Saturday, September 11, 2010 10:45 PM
Subject: Re: [Tagging] trees and waterways
On Sat, Sep 11, 2010 at 5:08 PM, Pierre-Alain Dorange <[email protected]>
wrote:
... Perhaps have you a proposition. But for my part, it seems "natural"
to use the natural flow of the way has the natural flow of the river.
It may be natural once one knows that you're supposed to represent the
direction. But I've come across many waterways that were mapped
without regard for the direction. Three examples, mapped by three
different people:
http://www.openstreetmap.org/browse/way/71760642 Eight Mile Canal:
flows west into the St. Johns River
http://www.openstreetmap.org/browse/way/44644481 Canal L-406: flows
south into Canal L-405
http://www.openstreetmap.org/browse/way/7044872 Venetian Canal: flows
north into Lake Maitland (I believe)
It is quite possible that the persons who mapped those waterways did not
know the direction of the flow when mapping them. They may have felt it was
best to at least map the fact the river existed, and then hope that someone
with greater knowledge would later come along and check / correct the
direction of flow. Alternatively they may not have realised they were
supposed to map the waterway so its direction was the same as the river
flow. We do have many people of different OSM experience contributing to
the map. Maybe you could politely ask the people who mapped these rivers if
there are aware of the preferred way of drawing them. In that way they are
less likely to make the same mistake again.
The mapping of many features added to OSM are over time refined and
improved, in this way the crowd makes a better map. You have noted the
direction of the ways ware wrong, and are thus able to correct them and
improve the OSM data.
David
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