On Thu, 28 Nov 2019 at 17:58, Jan Michel <[email protected]> wrote:
> > - We should have a defined way to tag the purpose of the berm - e.g. > berm = noise_barrier > Yes, that would be good. I'm actually just thinking that it may be better to move it to man_made= rather than barrier=, as you may get the situation of barrier=berm + berm=barrier? Bit premature I know!, but names for actual "types"? Guessing along the lines of =fortification for something like the Western Sahara wall =flood-control =noise-control =pollution-control, all of which are fairly self-explanatory. Walls around explosive dumps, shooting ranges & so on - =protective? - How do we separate berms and dams along rivers? Their physical > appearance and structure is identical, only the purpose is different. > True. A levee is (usually) a berm, while a dam could be, but a berm doesn't *have* to be either a levee or a dam! - If mapped as a way, how is the width=* of the object defined? At the > bottom? At half the height? > Hadn't thought about that, as that section was copied directly from the =embankment page! On Thu, 28 Nov 2019 at 18:53, Martin Koppenhoefer <[email protected]> wrote: > If I get this right, a berm is defined through their shape, is describing > a physical characteristic. > Not quite. A berm is basically just a pile of dirt. The dirt can be bare or covered with grass, it can be moulded into different shapes, heights or widths / thicknesses, left loose or compacted, depending on the purpose it's required for. On Thu, 28 Nov 2019 at 20:01, Paul Allen <[email protected]> wrote: > > Since a berm is a type of embankment, why not render it as an embankment? > > Others have proposed a berm=* subtag to differentiate types of berms. > Why not, instead, > use a subtag for embankments? > Thanks! That ties in with what I was thinking ^ of it being better coming under man_made=, rather than barrier= man_made=embankment (sloped wall) + embankment=berm (pile of dirt) + berm="use" - fortification / protective / noise_control etc That'll do for this post as it's turning into a novel! Thanks Graeme
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