On 4/01/2011 7:20 AM, Paul Norman wrote:
They both have elements of flow control, but function in quite different
ways and look very different. A weir is used to raise the water level or
control flow, with water flowing over the top. A sluice gate is essentially
a valve for small waterways.
In this case, why not something like:
waterway=weir
weir=sluice_gate
I'm wary of the endless drive to create more high-level tags. It
increases the burden on reusers of the data.
Steve
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