[Talk-us] NHD Hydro Connectors

Dale Puch dale.puch at gmail.com
Sat Feb 19 00:37:44 GMT 2011


The default render should be with connectors below the water bodies.  AKA
render issue.  Possibly there should be some way to force it to render on
top, and that would probably need a new tag.  The main reason would be to
show the navigation route if it is restricted or complicated.  Shallow water
with a canal, or large complicated reservoir would be 2 examples.  This
should also be discussed with the openseamap people since it is primary for
water navigation and they have the knowledge to give the best input.

I agree using the oneway tag is the wrong approach to show flow direction.
Perhaps a flow or current tag.  If we want to show that, I think that should
also have a separate tag.  Basically duplicating the way oneway works.  The
downside is this would complicate editing and displaying if it was tagged
with both.  That said, for now using oneway is better than not tagging flow
direction.

-- 
Dale Puch

On Fri, Feb 18, 2011 at 3:53 PM, Mike N <niceman at att.net> wrote:

> On 2/18/2011 3:43 PM, Paul Norman wrote:
>
>> Here in Canada with the NHN import the portion of streams through lakes
>> and
>> wider rivers were imported with sub_sea=stream sub_sea:type=inferred
>> oneway=yes
>>
>
> There is some disagreement about using oneway=yes, presumably to match the
> stream flow.  There is always the possibility of needing to indicate a one
> way navigation channel where the direction of travel is upstream only.
>
>
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