On 29/06/2015 1:14 AM, Martin Koppenhoefer wrote:
2015-06-28 14:39 GMT+02:00 Tobias Knerr <[email protected]
<mailto:[email protected]>>:
On 27.06.2015 11 <tel:27.06.2015%2011>:19, michael spreng wrote:
> This is not a tagging error.
It is an error. Only the underground part of the ditch should have
layer=-1, and it needs to also have a tunnel tag.
As for landuse, such areas are typically non-physical, and as such not
easily inserted into the layer hierarchy. However, mappers are using
landuse far beyond its original definition, and also map physical
things
such as pastures and (arguably) fields with it. At that point, the
usual
layer rules need to apply.
completely agree. I had written something similar, but accidentally
the mail was only sent to Michael and not to this list...
My take...
If lower than the 'original ground level' then layer=-1 (or more)
If the 'ditch' is covered then it is a tunnel or a culvert, if there is
no 'roof' then it is a cutting.
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