----- Original Message -----
From: "Richard Fairhurst" <[email protected]>
To: <[email protected]>
Sent: Tuesday, August 31, 2010 8:13 PM
Subject: Re: [Tagging] Waterway direction
Nathan Edgars II wrote:
Adding a oneway tag explicitly says that it flows that way.
Please please don't do that.
Navigable waterways do sometimes have oneway sections for boats. For
example, it's common on river bridges for one arch to be devoted to
upstream
traffic, another to downstream.
The oneway tag is useful for this in its traditional use as an access
restriction. Please don't destroy its utility by repurposing it for
something different entirely.
+1
The OSM convention for water flow is that it flows in the direction the way
is drawn, and probably in 95% of cases that's all that's needed.
If the flow direction is both ways (as I understand some places might be -
though I cant think how), or the flow direction is unknown then a tag such
as flow_direction: both|unknown might be of some use.
David
cheers
Richard
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