> Not to mention standard osm render doesn't currently render pipelines. > Introducing a new value of waterway, already imported in mapnik schema > may be simpler than adding pipeline and some extra keys.
Changing tagging scheme as workaround for a single database is a really poor idea. > Would you be happy if I remove highway=* from tunnels or bridges just because it's not "natural" roads? No, because it changes current tagging scheme without a good reason. I suspect that this proposal may be doing the same (changing tagging scheme without real benefit) >> Can you give example of real data consumer(s) where it will improve situation? >To get the whole hydrographic system, users have to query waterway, > pipeline and some other keys not all related to water. > If all water paths would have only waterway=*, this would be simpler and sustainable. a) to repeat - Can you give example of real data consumer(s) where it will improve situation? b) I see noi value in duplicating existing data into waterway key.
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