[OSM-dev] Creating 3-d connected network from ways + layer tag
igor.brejc at gmail.com
Thu Jul 30 06:05:22 BST 2009
Karl Newman wrote:
> The topology rules are simple--if the ways share a node, then they are
> connected and it is possible to navigate from any of the connected
> ways to another (subject to turn restrictions, etc.) The layer tag is
> primarily a hint for renderers for proper display of vertically
> separated features. If the data is otherwise, then it is an error and
> should be corrected.
Then how do you handle double-decker bridges?
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