Hi, 2017-12-07 2:42 GMT+01:00 Andrew Davidson <[email protected]>:
> 1. waterway is the wrong key. Waterways are for open-channel features. > There is already a man_made=pipeline for pipe flow. I'm not sure why we > need a different tag for this. > Can you link me where waterway is explicitly described for open-channel ways only please ? man_made=pipeline is not a water specific key and It's a great benefit to get raw water hydrographic graph by looking at waterway=* only. Like highway=* is not specific to open air roads but for bridges and tunnels too, I don't see any objection to involve tubes and pressure pipes into waterway, with a new dedicated value as to not break things regarding existing consumers. > 2. duct is the wrong value. Ducts refers to low pressure pipes carrying > gases. > I agree it's not perfect How can I refine it ? It is intended for pipe flow waterways I really have difficulties to understand a tunnel without tube carrying pipe flow water as man_made=pipeline Then waterway=pipeline sounds more restrictive than its actual target. François
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