[Tagging] nautical channels

Graeme Fitzpatrick graemefitz1 at gmail.com
Sun Jul 1 00:23:13 UTC 2018

 On 1 July 2018 at 01:53, <osm.tagging at thorsten.engler.id.au> wrote:

> there don’t seem to be any matching tags yet, maybe something like
> waterway=dredged_channel ?

On 1 July 2018 at 04:13, Paul Johnson <baloo at ursamundi.org> wrote:

> I think you're referring to the navigation channel, ie, the area between
> the red and green markers?  If so, the suggestion downthread for
> "dredged_channel" isn't necessarily going to match this, as the navigation
> channel isn't necessarily dredged.

Perhaps waterway=navigation_channel / =marked_channel / =main_channel?

> For those not familiar, navigation channels are marked with red buoys or
> markers down the right side of the channel when returning to land (red,
> right, return).  Green buoys or markers go down the right side of the
> channel when you're going out to sea.

Except for those places in the world (~3/4!) where this pattern is
reversed! :-)
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