Andy Robinson (blackadder-lists) wrote: > Brian Prangle wrote: > >> Sent: 09 November 2009 11:14 AM >> To: Talk GB >> Subject: [Talk-GB] Underground Pipelines >> >> We have several oil terminals just to the E of Birmingham and wandering >> around the countryside I come across loads of pipeline markers. In places >> there are enough to join them up with man-made=pipeline ways. My problem is >> how to tag the direction of flow. The oil pipeline markers have the >> direction of flow indicated on them ( gas ones don't). I've tagged the >> pipelines as oneway=yes which results in mapnik rendering little blue >> arrows in the countryside. Whilst this is to me ( who's mapped them) a good >> indicator of the presence of a buried pipeline it will probably be >> meaningless to any one else. Any opinions out there? >> >> > > That exactly how I'd tag them. The rendering engine needs to be a little > cleverer and not just blindly render all oneway=yes tags. > > Cheers > > Andy > Pipelines explicitly work in only one direction, why not just require a pipeline way's direction to be that of flow and not bother with the redundant oneway=yes tagging?
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