[Tagging] Use of oneway=yes on waterways

Malcolm Herring malcolm.herring at btinternet.com
Sun Sep 18 14:35:44 UTC 2016

On 18/09/2016 11:14, Colin Smale wrote:
> the values for "oneway" and all the "forward" and "backward" subkey
> business are geometric directions related to the order of the nodes in
> the OSM way,

This is a dangerous dependency - if the way is reversed by another 
mapper, the all "oneway" tags become invalid.

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