On 26/02/2015 12:28 PM, Dave Swarthout wrote:
>
> > The proposal looks good, add "location=*" to it.
>
> I dislike location=* for various reasons. But you may use it if you
like.
I first came across the location key when it was used to indicate
whether the Trans-Alaska Pipeline was running underground or
overground. At the time I thought it was a bad choice of words but it
is fairly well established in the OSM schema by now (44K occurrences
of over- or underground). Other important and potentially useful
values of location are: overhead, indoors, outdoors, underwater.
The one goods_conveyor I tagged was moving coal, as I said, and at
several points it was running over a roadway on a bridge. I was unable
to tag the bridge in a way that caused it to show up on the OSM slippy
map. Any potential rendering solutions would need to take that into
account somehow.
Usually the bridge is for safety .. if the conveyor brakes or something
falls off it the bridge under it will catch it.
Thus I'd do an area for the bridge .. layer=1
then the conveyor on top of that layer = 2
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