[OSM-talk] layer and pylons

Richard Z. ricoz.osm at gmail.com
Mon Mar 10 08:36:34 UTC 2014


Hi,

I did think a bit more about the situation and think it makes
no sense to try to rescure the meaning of "layer" for ways
at different levels connected with pylons or similar 
constructions.

For simple cases such as pylons of aerial tramways it is defined 
so, that the tramway is above ground and thus a vertical ordering
is defined. Similar situation with dams.

For more general cases like 2 bridges at different levels connected 
through a pylon either "level" could be used or something more 
sophisticated like a relation.

Richard




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